巴西专利BR102014006332A2 INTEGRATED MAGNETIC COMMAND VALVE FOR AN ELECTRONIC TAP

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专利摘要:
integrated magnetic control valve for an electronic tap The present disclosure relates to a magnetic control valve mechanism for an electronic tap. a solenoid coil of the valve mechanism can be mounted on a printed circuit board to control the solenoid coil. an auxiliary port can be used to control one or more additional dispensing devices.
公开号:BR102014006332A2
申请号:R102014006332-3
申请日:2014-03-17
公开日:2020-03-31
发明作者:Kurt Judson Thomas；Derek Allen Brown；Joel D. Sawaski
申请人:Masco Corporation Of Indiana；
IPC主号:

专利说明:

INTEGRATED MAGNETIC COMMAND VALVE FOR A TAP
ELECTRONICS
BACKGROUND AND SUMMARY [001] The present disclosure generally relates to a fluid delivery device. More specifically, the present disclosure relates to an integrated magnetic control valve mechanism for an electronic tap.
[002] Electronic taps typically include a magnetic control valve controlled by an electronic controller to control the flow of fluid. Some electronic taps include proximity sensors such as active infrared (IR) proximity detectors or capacitive proximity sensors to control the operation of the magnetic control valve. Such proximity sensors are used to detect a user's hands positioned near the tap and to automatically initiate the flow of fluid through the tap in response to the detection of the user's hands. Other electronic taps use touch sensors to control the tap.
[003] The electronic controller is typically located away from the magnetic control valve, and electrical wires are routed between the magnetic control valve and the electronic controller to control the magnetic control valve. Additional wire terminations are often made between the magnetic control valve and the electronic controller depending on the configuration of the tap system. Wiring and associated wire connections add cost to the electronic tap
2/30 as well as additional circuit components susceptible to damage or defect.
[004] Some electronic taps include temperature sensors positioned inside the magnetic control valve housing to detect the water temperature in the housing. The temperature sensor is often encapsulated in an epoxy-filled housing, and the housing is sealed and placed in the water path of the valve housing. A wire is routed from the temperature sensor in the housing to the controller outside the magnetic control valve housing. The sensor housing and wiring interfaces are often susceptible to damage and / or leakage, thereby damaging the temperature and wiring sensor. In addition, the encapsulated sensor, directed wiring, and associated wire connections add cost and complexity to the electronic tap.
[005] In bathrooms and kitchens with multiple electronic taps and / or other dispensing devices, each dispensing device includes a controller to control the respective device. Such a system is expensive due to the multiple processors and other control electronics needed to control each dispensing device.
[006] In accordance with an illustrative embodiment of the present disclosure, an electronic tap is provided that includes a spout, a conduit for supplying fluid supported by the spout, and a valve mechanism. The valve mechanism includes a magnetic control valve positioned to control fluid flow through the fluid supply line. The control valve
3/30 magnetic includes a solenoid coil and a movable valve element operatively coupled to the movable valve element. The tap also includes an operating controller to control the magnetic control valve. The controller includes a circuit board attached to the valve mechanism and a processor mounted on the circuit board to control the magnetic control valve. The solenoid coil is mounted on the circuit board.
[007] According to another illustrative embodiment of the present disclosure, an electrically operable valve mechanism for an electronic tap is provided. The valve mechanism includes a valve housing with an interior region for receiving a fluid. The valve mechanism further includes a magnetic control valve, a temperature sensor positioned outside the interior region and a heat transfer device. The heat transfer device extends between the temperature sensor and the inner region to transfer heat from the fluid in the inner region to the temperature sensor. The valve mechanism also includes a controller in communication with the temperature sensor. The controller is operative to control the magnetic control valve.
[008] According to yet another illustrative modality of the present revelation, an electronic tap is provided. The tap includes a spout, a fluid supply conduit supported by the spout, and a valve mechanism that includes an electrically operable valve positioned to regulate fluid flow through the fluid supply conduit. The tap includes a controller attached to the valve mechanism. The controller includes a
4/30 operative processor to control the electrically operable valve to control fluid flow through the fluid supply line. The controller includes a port communicating with the processor. The door is removably attached to the electronics of a secondary dispensing device. The controller is operative for at least one of the control and supply of electronics of the secondary dispensing device through the door.
[009] According to yet another illustrative embodiment of the present disclosure, a tap mechanism is provided. The tap mechanism includes an electronic tap and a secondary dispensing device. The electronic tap includes a spout, a fluid supply conduit supported by the spout, and a valve mechanism that includes an electrically operable valve positioned to regulate fluid flow through the fluid supply conduit. The electronic tap also includes an operative controller to control the electrically operable valve to control fluid flow through the fluid supply line. The controller includes a port. The controller and port are mounted on the valve mechanism. The secondary dispensing device includes a spout, a fluid supply line supported by the spout, and electronics operatively coupled to the electronic tap controller port. The electronic tap controller is operative for at least one of the control and supply of the electronics of the secondary dispensing device through the port to control fluid flow through the
5/30 fluid supply line of the secondary dispensing device.
[010] Additional aspects and advantages of the present invention will become evident to those skilled in the art after considering the detailed description below of the illustrative modalities that exemplify the best way of carrying out the invention as presently perceived.
BRIEF DESCRIPTION OF THE DRAWINGS [Oil] The detailed description of the drawings refers specifically to the attached figures in which:
[012] FIG. 1 is a block diagram illustrating an exemplary electronic tap that includes a magnetic control valve;
[013] FIG. 2 is a block diagram illustrating an exemplary controller of the electronic tap of FIG. 1;
[014] FIG. 3 is a perspective view of an exemplary magnetic control valve mechanism of the electronic tap of FIG. 1 which includes an external housing;
[015] FIG. 4 is a perspective view of the magnetic control valve mechanism of FIG. 3 with the outer housing removed;
[016] FIG. 5 is an exploded perspective view of the magnetic control valve mechanism of FIG. 3 illustrating a solenoid coil, a controller and a temperature sensor;
[017] FIG. 6 is a partially exploded reverse perspective view of the magnetic control valve mechanism of FIG. 3 illustrating a solenoid coil, a
6/30 controller and a temperature sensor;
[018] FIG. 7 is a cross-sectional view of the
mechanism in valve in magnetic command of FIG . 3 taken over gives . line i 7-7 gives FIG. 3; [019] The FIG. 8 is one detail of View in section transversal gives FIG. 7 with an armor of coil of solenoid in an position closed; [020] The FIG. 9 is one detail of View in section
cross section of FIG. 7 with the solenoid coil armature in an open position; and [021] FIG. 10 is a cross-sectional view of the magnetic control valve mechanism of FIG. 3 taken along line 10-10 of FIG. 3 illustrating a flow path through the magnetic control valve mechanism.
DETAILED DESCRIPTION OF THE DRAWINGS [022] In order to promote an understanding of the principles of the present disclosure, reference will now be made to the modalities illustrated in the drawings, which are described here. The modalities disclosed here are not intended to be exhaustive or to limit the invention to the exact form disclosed. Instead, the modalities are chosen and described so that others skilled in the art can use their teachings. Therefore, there is no intention to limit the scope of the claimed invention. The present invention includes any further changes and modifications to the illustrated devices and methods described and additional applications of the principles of the invention that would normally occur to those skilled in the art to which the invention relates.
[023] With reference to FIG. 1, a diagram is illustrated
7/30 blocks of an electronic tap 10 according to some embodiments of the present disclosure. The electronic tap 10 includes a spout 12 that supports a fluid passage or conduit to supply fluids, such as water, for example. In the illustrated embodiment, the spout passage 12 includes fluid passages between hot and cold water sources 16, 18 and the spout outlet 12. See, for example, passages 28a, 28b, 28c, 28d of FIG. 1. The electronic tap 10 includes a magnetic control valve 22 in fluid communication with hot and cold water sources 16, 18. The magnetic control valve 22 is electronically controlled by a controller 24. In the illustrated mode, controller 24 is configured to open and close the magnetic control valve 22 to switch the fluid flow on and off to the nozzle 12. In another embodiment, the controller 24 is further configured to proportionally control the magnetic control valve 22 to adjust the flow rate of the fluid flowing through the spout 12. In an illustrative embodiment described here, the magnetic control valve 22 includes a pilot operated magnetic control valve, although another suitable valve actuated by actuator or
operable electrically. [024] In the illustrated modality, the controller 24 controls the magnetic control valve 22 based at exit from at least one sensor, such as a sensor in
proximity and / or a touch-sensitive sensor, for example, to turn the flow of fluid through the spout 12 on and off. In the illustrated embodiment, a capacitive sensor 26 is in communication with the controller 24 to provide signals to the
8/30 controller 24 that indicate the detection of an object (for example, a user's hands) at or near the spout 12. Other suitable sensors can be provided to detect an object near the tap 10. As illustrated, an electrode 25 capacitive sensor 26 is coupled to the spout 12 to detect the object that makes contact with the spout 12. The electrode 25 can be positioned in other suitable areas of the tap 10 to detect the presence of a user's hands. In the illustrative mode, capacitive sensor 26 and electrode 25 are used for at least one of a touch-sensitive mode and a hands-free mode of operation. In hands-free mode, capacitive sensor 26 and controller 24 detect the hands of a user or other object within a detection area or zone near tap 12. In one embodiment, the detection area includes the flow of water and the basin area that immediately surrounds the water flow. Ά detection area can be extended to other areas depending on the location and sensitivity of capacitive sensor 26. In touch-sensitive operating mode, capacitive sensor 26 and controller 24 detect the hands of a user or other object after contact with a surface of the spout 12. To switch on the tap mechanism 10 in either mode, the magnetic control valve 22 is activated by the controller 24 after object detection (for example, user hands) to switch the water flow on and off.
[025] In some modalities, when detecting capacitance changes with capacitive sensor 26, controller 24 is configured to make logical decisions to control
9/30 different modes of operation of the tap 10 such as switching between a manual mode of operation and a hands-free mode of operation as described in US Patent No. 7,537,023; US Patent Application Serial No. 11 / 641,574; US Patent No. 7,150,293; US Patent Application Serial No. 11 / 325,128; and PCT International Patent Applications Nos. Series PCT / US2008 / 01288 and PCT / US2008 / 013598, the disclosures of which are all expressly incorporated herein by reference.
[026] In one embodiment, manual adjustment of the water temperature and flow rate can be provided after opening the magnetic control valve 22 by manipulating a manual valve handle 14. In particular, the manual valve handle 14 can be used to manipulate a valve body mechanism 20 positioned in the spout passage 12 to adjust the temperature and / or fluid flow from the hot and cold water sources 16, 18 to the magnetic control valve 22. A manual separate valve 14 can be provided for each of the hot and cold water sources 16, 18. Alternatively, the electronic tap 10 is a fully automatic tap without any manual controls.
[027] In an alternative mode, the controller 24 can still control the mechanism of the valve body 20 electronically. In particular, the mechanism of the valve body 20 may include an electronic mixing or proportional valve that is adjusted by the controller 24 to control the mixture of hot and cold water and therefore the temperature of the water flowing through the spout 12. Mixing valves exemplary electronically controlled
10/30 are described in US Patent No. 7,458,520 and PCT International Patent Application Serial No. PCT / US2007 / 060512, the disclosures of which are expressly incorporated herein by reference. The amount of fluid flowing from the hot water source 16 and the cold water source 18 can be controlled by the controller 24 based on one or more user inputs, such as desired fluid temperature, desired fluid flow rate, volume desired fluid level, several task-based inputs, several recognized forebodings, and / or their combinations. For example, tap 10 may include a temperature sensor (for example, temperature sensor 54 described here) in fluid communication with the proportional valve outlet to provide feedback to controller 24 for use in controlling the water temperature. In one embodiment, controller 24 controls the proportional valve via auxiliary port 56 (FIG. 2) described here.
[028] In one embodiment, tap 10 includes one or more indicators 29 controlled by controller 24 to provide a visual or audible indication of the operating mode (for example, hands-free and / or touch-sensitive mode) and / or temperature of tap water 10. An exemplificative indicator 29 includes a light-emitting diode (LED), or other light source, or audible device positioned near the tap 10. Other exemplary indicators 29 include a liquid crystal display (LCD) and a mechanical magnetic lock indicator. In one embodiment, indicators 29 are operative to indicate the mode of operation and / or the
11/30 temperature of the water flowing through the tap 10 based on the selective lighting of LEDs of different colors or a single multicolored LED.
[029] In the illustrated embodiment, controller 24 is operative to control another remote dispensing device in addition to the electronic tap 10, illustratively the auxiliary dispensing device 30. An exemplary auxiliary dispensing device 30 includes a soap dispenser, another tap spout , a beverage dispenser or other suitable dispensing device. The auxiliary dispensing device 30 can be positioned adjacent to the same washbasin basin as the spout 12. Alternatively, the dispensing device 30 can be positioned to dispense into a different washbasin basin, such as another washbasin basin in a bathroom or kitchen or another compartment, for example. As described in detail here, controller 24 includes an auxiliary port 56 (see FIGS. 2 and 3) for remotely controlling and feeding auxiliary dispensing device 30 via a cable 57 (FIG. 2).
[030] With reference to FIG. 2, a block diagram of an exemplary controller 24 of FIG. 1. Controller 24 includes a printed circuit board 40 and multiple circuit components mounted on printed circuit board 40. Illustratively, a processor 42, a flow sensor 52, a temperature sensor 54, an auxiliary port 56, a connector lights 58 are attached to circuit board 40. A connection header 46 is attached to circuit board 40 for coupling to a power line from a power source
12/30 external power 21. In one embodiment, power supply 21 is a battery power source or other direct current (DC) power source. Interna internal or external memory 44 of processor 42 includes software and / or firmware that contains instructions executed by processor 42 to control the magnetic control valve 22, other components of tap 10, and other dispensing devices (for example, secondary dispensing device 30). The processor 42 controls the magnetic control valve 22 based on the output of capacitive sensor 26, flow sensor 52 and / or temperature sensor 54.
[031] The lighting connector 58 is configured to channel electrical current to lighting devices 59, such as LEDs, for example, to illuminate lighting devices 59. In one embodiment, the lighting devices are of different colors, and the processor 42 selectively controls the lighting devices 59 for illuminating different colors based on the operating mode of the tap 10 and / or the temperature of the water flowing through the tap 10. An exemplary lighting connector 58 includes an audio jack connector. In one embodiment, the indicators 29 of FIG. 1 include the lighting devices 59 of FIG. 2. In the exemplary embodiment, controller 24 also includes a power connector 48 to couple controller 24 to a wall outlet or other building power source to power controller 24. Power connector 48 includes a rectifier for converting energy alternating current (AC) at DC power levels suitable for the controller
13/30.
[032] With reference to FIGS. 3 and 4, an exemplary magnetic drive valve mechanism 50 is illustrated. The fluid enters a valve housing 70 (FIG. 4) of the magnetic drive valve mechanism 50 via conduit 28c and exits the valve housing 70 via fluid conduit 28d to nozzle 12 (FIG. 1). Fluid duct 28c includes seals 31 (FIG. 3) that provide a sealing connection to a corresponding component of the spout fluid duct 12. The magnetic control valve mechanism 50 includes an outer housing 60 to enclose and protect the controller 24 and the magnetic control valve 22 positioned inside the housing 60. The outer housing 60 is configured to slide over the upper part of the valve housing 70 (FIG. 4) and is mounted on a base 61 of the mechanism 50. Clamps 72 on the Opposite ends of the base 61 are configured to engage the outer housing 60, although other suitable fasteners can be used to couple the outer housing 60 to the base 61. The housing 60 includes an opening 62 for receiving the fluid conduit 28d. The outer housing 60 further includes an opening 64 that provides access to the auxiliary port 56, an opening 66 that provides access to the DC power connector 48, and an opening 68 that provides access to the lighting connector 58. As illustrated in FIG. 4, controller 24 is mounted in valve housing 70 of mechanism 50. A power cable 74 sends power from power source 21 to controller 24 to power the electronic components of controller 24. Power cable 74 includes electrical wires
14/30 channeled between a connector end 76, configured to mate with header 46 (FIG. 5) of controller 24 and an opposite end of connector 78 configured to mate with power supply 21. Additional cable wires 75 are provided to channel sensor signals, such as from the capacitive sensor, to the controller 24.
[033] With reference to the partially exploded views of FIGS. 5 and 6, processor 42, header 46, temperature sensor 54, port 56, DC connector 48, and lighting connector 58 are illustratively mounted on printed circuit board 40. Port 56, DC connector 48, and lighting connector 58 are illustratively mounted on an edge of the circuit board 40 to align with the openings 64, 66, 68 of the outer housing 60 (FIG. 3). The circuit board 40 includes other electronics suitable for controlling the magnetic control valve 22. The header 46 includes electrical pins configured to receive the connector end 76 of the power cable 74.
[034] Auxiliary port 56 is configured to receive a connector cable 57 (FIG. 2) channeled to a second dispensing or auxiliary device 30 (FIG. 2) that is controlled and powered by controller 24. Connector cable 57 includes a connector that is removably coupled to auxiliary port 56. In this way, an on-and-use configuration is provided with auxiliary port 56 that facilitates quick coupling and uncoupling of secondary devices (eg device 30) that are controllable with controller 24 tap 10. In one mode, more than a dispensing device
Auxiliary 15/30 30 is coupled to auxiliary port 56 and is controlled by controller 24.
[035] Referring now to FIG. 2, the control and power management software / firmware and controller control switches 24 are used to control the operation of the auxiliary dispensing device 30. The auxiliary dispensing device 30 may include a soap dispenser, another tap, a dispenser beverage, a filtered water dispenser, a hot water dispenser, or other suitable dispensing device. As illustrated in FIG. 2, the auxiliary dispensing device 30 includes a spout 38
that supports one conduit of fluid supply. 0 device in dispensation 30 includes electronics 32 controlled fur controller 24 that includes a valve
electrically operable 34, such as a magnetic control valve 34 with a solenoid coil, positioned in the fluid supply line to control the fluid flow through the spout 38. The electronics 32 are removably coupled to the auxiliary port 56 by means of of the quick-connect connector cable 57 channeled between tap 10 and device 30. In one embodiment, the flow of fluid through the auxiliary dispensing device 30 is controlled by processor 42 based on the capacitive signals received from device 30 (for example, from a sensor 36) via port 56, similar to the capacitive base controls on tap 10. Processor 42 is operative to sample the capacitive input signals from auxiliary dispensing device 30 (and / or additional devices 30 ) for
16/30 reduce the probability of interference between the electronic tap controls 10 and the auxiliary dispensing device (s) 30.
[036] The controller 24 channels energy received from the power supply 21 (FIG. 2) or DC connector 48 to the electronics 32 of the auxiliary dispensing device 30 through port 56 to supply the device 30. Thus, in one mode , both the tap 10 and the auxiliary dispensing device 30 operate from the same power source as managed by controller 24. Controller 24 is operative to receive inputs from the auxiliary dispensing device 30, process the inputs, and transmit electrical signals to control the electronics 32 (eg solenoid, motor, lights, etc.) of the dispensing device 30 based on the inputs received. In one embodiment, the auxiliary dispensing device 30 includes at least one proximity sensor 36, such as a capacitive sensor or infrared sensor, operative to detect a user's hands on or near device 30, as similarly described herein in connection with to the capacitive sensor 26 of the electronic tap 10. Alternatively, the device 30 may include a switching device configured to instruct the controller 24 to activate the device 30 after activation of the switching device by the user. The controller 24 controls the flow of fluid (e.g., water, soap, drink, etc.) through the dispensing device 30 based on the signals received from the proximity sensor 36 or the switching device. Controller 24 is also operative to power indicator lamps, such as LEDs, on the
17/30 auxiliary dispensing device 30 corresponding to the different operating modes or states of the device 30.
[037] Consequently, the auxiliary dispensing device 30 can include a passive or silent electrical interface with limited active controls or without them where the electronics 32 of the interface are controlled remotely by the controller 24 of the tap 10 via the auxiliary port 56. In this embodiment, the circuits of the auxiliary dispensing device 30 include the circuits necessary to connect the device 30 to the controller 24, to detect and transmit an activation request to the controller 24, and to activate the fluid valve based on the controls coming from the controller. 24.
[038] In one example, auxiliary port 56 includes a multi-pin registered (RJ) receptacle receptacle (for example, 6 pins), although any suitable electrical connector for port 56 can be used. In one embodiment, connections The multi-pin auxiliary port 56 includes a switched power supply connected to the battery voltage (for example, power supply 21) to power the electronics of the auxiliary dispensing device 30, a sensor line used both as an input and output (line I / O) connected to processor 42, a ground line, a proximity detection input (for example, capacitive) connected to processor 42, and two power lines for indicator lamps (for example, LEDs) of device 30. In one mode, the LED power lines and the power supply line are switched on and off on processor 42.
18/30 [039] With reference to FIG. 5, the temperature sensor 54 is mounted (for example, welded) directly on the circuit board 40. In this way, the sensor 54 is positioned outside the valve housing 70 (see also FIG. 7). In one embodiment, temperature sensor 54 includes a surface-mounted type N thermistor soldered to circuit board 40, although other suitable temperature sensors may be used. A heat transfer device 110 extends from temperature sensor 54 to an interior region or channel 130 (FIG. 7) of valve housing 70. Heat transfer device 110 is operative to transfer heat from the fluid within the inner region 130 of the valve housing 70 to the temperature sensor 54, as described here.
[040] The heat transfer device 110 includes a rivet 112 and a pad 114 positioned between the rivet 112 and the sensor 54. In one embodiment, the rivet 112 is made of copper or another suitable metal, and the pad 114 is made thermally conductive foam, electrically insulating, although other suitable thermally conductive materials can be used. Assembled, the rivet 112, pad 114 and sensor 54 are in contact with each other (see FIG. 7) to facilitate heat transfer. In one embodiment, the foam pad 114 provides a soft component between the rivet 112 and the sensor 54 to reduce the likelihood that the temperature sensor 54 will be damaged due to contact with the heat transfer device 110. In addition, the pad 114 is electrically insulated so that the electrical contacts of temperature sensor 54 do not short-circuit. In
19/30 one embodiment, the foam pad 114 is coupled to the rivet 112 and the circuit board 40 on the temperature sensor 54 with an adhesive or other suitable coupler.
[041] With reference to FIGS. 5-7, rivet 112 includes a hollow shaft portion 120 and a larger diameter head portion 122. As illustrated in FIG. 7, the shaft portion 120 extends into the inner region 130 of the valve housing 70. The shaft portion 120 is illustratively cylindrical and is configured to receive water from the inner region 130 within the hollow interior. In one embodiment, the semitubular construction of the shaft portion 120 serves to increase the area of the rivet 112 exposed to water. The head portion 122 illustratively has an outer diameter that approximates the outer diameter of the cushion 114. As illustrated in FIGS. 5-7, a seal ring at 0 116 is received by the shaft portion 120 of the rivet 112. The seal 116 is supported by an opening 124 (FIG. 6) molded in an outer wall 118 of the valve housing 70. Thus , the seal 116 provides a sealed interface between the heat transfer device 110 and the wall 118 to reduce the likelihood of water from valve housing 70 leaking into the heat transfer device 110. The head portion rests on the wall 118 of valve housing 70 for maintaining seal 116 within opening 124, as shown in FIG. 7. The rivet 112 transfers heat from the fluid adjacent to the hollow shaft portion 120 to the head portion 122 and to the pad 114, and the pad 114 transfers the heat to the temperature sensor 54 on the circuit board 40. The temperature sensor temperature 54 transmits a signal
20/30 representative of the heat detected for processor 42 for processing. In one embodiment, the rivet 112 is attached to the wall 118 of the valve housing 70 with an adhesive or other suitable fastener.
[042] Processor 42 is operative to control tap 10 based on the water temperature measured by temperature sensor 54. In one embodiment, processor 42 is operative to selectively control lighting devices 59 (FIG. 2) to illuminate different devices colored 59 to indicate the water temperature to the user. For example, blue indicates cold water, red indicates hot water, and tones between red and blue indicate temperatures between hot and cold. Alternatively, processor 42 displays the water temperature numerically on a digital or analog display (for example, indicator 29 LCD display). In one embodiment, the controller 24 is programmed to turn off the water flow, that is, to close the magnetic control valve 22, automatically after the detected temperature of the water exceeding a limit temperature. An exemplary limit temperature is approximately 49 degrees Celsius, although other suitable limits can be established. In one embodiment, controller 42 uses temperature information from sensor 54 to control an electrically operable mixing valve (for example, valve 20) in series with magnetic control valve 22. The mixing valve is controlled to mix water proportionally to from the hot and cold sources 16, 18 to reach a desired temperature. The desired temperature can be selectable by the user or can be
21/30 predetermined and programmed in processor memory 42. In this way, closed-loop temperature control of water through tap 10 can be provided with temperature sensor 54. Other suitable controls based on water temperature can be implemented .
[043] As illustrated in FIGS. 5 and 6, a coil of solenoid 80 of the magnetic control valve 22 includes coil wire 82 wound around coil 84. Coil 84 includes a cylindrical inner opening 86 sized to receive a cylindrical portion 94 of valve housing 70. In As illustrated, the solenoid coil 80 is mounted directly on circuit board 40 (see FIGS. 4 and 7-9). In particular, coil 84 includes several metal pins 88 which are received through corresponding openings 89 of circuit board 40. In one embodiment, conductor pins 88 are welded to circuit board 40. The wire ends of coil 82 terminate on pins 88 (for example, wrapped around pins 88) so that controller 24 is operative to selectively energize and de-energize coil 80 via pins 88.
[044] In one embodiment, coil 84 is made of plastic or other suitable non-conductive material. As illustrated in FIG. 7, terminals 96 of coil 84 are configured to rest on circuit board 40. Circuit board 40 is illustratively parallel to aperture 86 that extends through solenoid coil 80. In one embodiment, with solenoid coil 80 mounted directly on circuit board 40, a compact valve mechanism 50 with minimal wiring is provided with the
22/30 controller 24, located inside the external housing 60.
[045] With reference also to FIGS. 5 and 6, coil 84 slides over cylindrical portion 94 of valve housing 70 to couple solenoid coil 80 to valve housing 70. In the illustrated embodiment, a tab or flange 97 (FIG. 8) of cylindrical portion 94 engages a corresponding groove formed on the upper surface of the coil 84 to secure the coil 84 to the cylindrical portion 94. The valve housing 70, including the cylindrical portion, is made of plastic or other suitable electrical and magnetically insulating material. A U-shaped metal support 90 is dimensioned to fit over the coil of solenoid 80. The metal support 90 includes a lower flange 98 with an opening 92 dimensioned to receive the cylindrical portion 94. In this way, the flange 98 is positioned between the solenoid coil 80 and an upper wall 102 of the valve housing 70. An upper support flange 100 slides over the upper part of the solenoid coil 80. In this way, the metallic support 90 extends along three sides of the solenoid coil 80. As described here, the metallic support 90 serves as a polar piece to route the magnetic flux generated with the solenoid coil 80. In particular, when the solenoid coil 80 is energized by the controller 24, the support 90 provides a flow path for the generated magnetic flux.
[046] With reference to FIGS. 7-9, the magnetic control valve 22 further includes a permanent magnet 140, a movable valve element or armature 142, a fixed element or pole piece 144, an armature seal 146, a diaphragm housing 156, and a flexible diaphragm 158. A
23/30 armature 142 and pole 144 are moistened and sealed within the hollow interior of cylindrical portion 94. Armature seal 146 is coupled to one end of armature 142 and is configured to seal a pilot hole 150 (FIGS. 8 and 9) formed in the diaphragm housing 156. In one embodiment, the armature seal 146 is made of rubber, and the armature 142 and polar piece 144 are made of metal or other suitable magnetically conductive material.
[047] Armature 142 is operatively coupled to solenoid coil 80. In particular, the magnetic field generated with coil 80 is configured to move armature 142 between a closed position and an open position. Armature 142, also called a piston or movable core, is configured to slide within the cylindrical portion 94 between the closed position in contact with a pilot hole base 152 (FIGS. 8 and 9) and the open position in contact with the part pole 144. When armature 142 is in the closed position, armature seal 146 engages pilot hole base 152 to close pilot hole 150, and an opening is formed between armature 142 and pole 144. When armature 142 is in the open position, the opening between the armature 142 and the polar piece 144 is closed and water flows through the open pilot hole 150 and through an outlet 154 (FIGS. 8 and 9) formed in the valve housing 70. A spring 148 inside the cylindrical portion 94 it moves the armature 142 away from the polar piece 144 and towards the pilot hole base 152. In the illustrated embodiment, the armature 142 moves inside the cylindrical portion 94 along a geometric axis which is parallel to circuit board 40. An O 138 sealing ring (FIG.
24/30
8) is positioned between diaphragm housing 156 and wall 102 of valve housing 70 to form a sealing surface that surrounds the interface between armature seal 146 and pilot hole 150.
[048] Permanent magnet 140 is positioned on a base 95 formed at the top of cylindrical portion 94. Magnet 140 serves as a locking magnet to hold armature 142 against pole 144 in the open position. In particular, permanent magnet 140 is dimensioned and spaced away from armature 142 and pole 144 so that when armature 142 is in the closed position, the magnetic field induced in pole 144 by magnet 140 is not strong enough to overcome the opposite pressure force provided by spring 148 due to the gap between armature 142 and pole 144. After coil 80 is energized to move armature 142 to the open position against pole 144, the magnetic field induced by magnet 140 in the polar piece 144 it is operative to overcome the opposite pressure force of the spring 148 to lock or keep the armature 142 in the open position after the coil 80 is de-energized.
[049] As illustrated in FIG. 7, the fluid conduit 28c is coupled to the valve housing 70 by means of a threaded interface 160 and forms a part of the valve housing 70 to define the inner region 130. An O-ring seal 162 is positioned between the housing valve 70 and fluid conduit 28c to facilitate water sealing within valve housing 70 at interface 160. Fluid conduit 28c provides a passage 164 in fluid communication with interior region 130 of the housing
25/30 of valve 70. Flexible diaphragm 158 is positioned inside diaphragm housing 156. In one embodiment, diaphragm 158 is made of flexible rubber. An upper diaphragm chamber 166 is formed between the diaphragm housing 156 and the back of diaphragm 158. When the diaphragm chamber 166 is flooded, the water pressure in diaphragm chamber 166 forces diaphragm 158 into a closed position so that diaphragm 158 abuts and seals a circumferential flap or lip 128 (FIG. 8) of conduit 28c. In this way, water from the passage 164 is prevented from entering the inner region 130 of the valve housing 70 through the circumferential flap 128 when the diaphragm 158 is in the closed position. In addition, diaphragm 158, when closed, provides a circumferential seal around a central column 170 (FIG. 8) of diaphragm housing 156 to close an inlet 168 formed in a notch in the column 170.
[050] The magnetic control valve 22 is illustratively a pilot operated magnetic control valve. Prior to initial use of the magnetic control valve mechanism 50, diaphragm chamber 166 is without water. When water is initially piped towards the front of diaphragm 158 through conduit 28c, the central portion of diaphragm 158 (near column 170) collapses or flexes upwards (as seen from the perspective of FIGS. 7- 10) and water enters the diaphragm chamber 166 through the open inlet 168 formed in the column 170. With the coil 80 de-energized and the armature 142 in the closed position, water floods the diaphragm chamber 166. Some water also flows between the flap 128 and the diaphragm
26/30
158 into the surrounding inner region 130 of valve housing 70. Diaphragm chamber 166 illustratively occupies a larger area at the rear of diaphragm 158 when compared to the area occupied by passage 164 at the front of diaphragm 158 within flap 128. When the water pressure at the rear (chamber side 166) of diaphragm 158 becomes greater than the water pressure at the front (passage side 164) of diaphragm 158 due to the greater area of diaphragm chamber 166, diaphragm 158 is forced back to the closed position to seal inlet 168 and to seal circumferential flap 128. In this way, diaphragm 158 is in the closed position and diaphragm chamber 166 is filled with water prior to energizing the coil of the solenoid 80.
[051] In operation, controller 24 energizes the solenoid coil 80 after detecting the hands of a user by means of capacitive sensor 26 (FIG. 1) to turn on the tap 10. The energization of the solenoid coil 80 with electrical current is operative to start the command for the pilot of the magnetic command valve 22. In particular, when the coil 80 is energized, the generated magnetic flux magnetizes the armature 142 and the polar piece 144 to make the armature 142 and the polar piece 144 are attracted to each other. The magnetic field moves armature 142 to contact polar piece 144 in the open position to close the gap between armature 142 and polar piece 144 and to open pilot hole 150. In the illustrated embodiment, controller 24 de-energizes coil 80 after a predetermined period of time, and the magnetic field induced by the permanent magnet 140 in the polar piece 144 keeps the armature 142 in the
27/30 open position against the polar piece 144, as described here. Alternatively, the solenoid coil 80 can remain energized while tap 10 is turned on to keep armature 142 in the open position.
[052] With armature 142 in the open position (see FIG.
9), the water in the upper chamber of the diaphragm 166 moves through a channel 180 in the valve housing 70 and exits through the open pilot hole 150. The water through the pilot hole 150 exits through an outlet 154 that opens inwards of the inner chamber 130 (FIG. 7) of the valve housing 70. With the reduced water pressure at the back of the diaphragm 158 in the chamber 166, the diaphragm collapses and opens the magnetic control valve 22 so that water from the passage 164 flow between diaphragm 158 and flap 128 into the surrounding inner region 130 of the valve housing. The water in the inner region 130 travels through a passage 172 (FIG. 10) formed in the fluid conduit 28d and exits through the spout 12 (FIG. 1) of the tap 10.
[053] When controller 24 no longer detects the user's hands via capacitive sensor 26 (and / or after an appropriate delay), controller 24 energizes solenoid coil 80 with an inverse current to break the magnet's magnetic field 140 holding the armature 142 in the open position. In particular, the energized coil 80 induces a magnetic field in the armature 142 and polar piece 144 with a polarity opposite to the magnetic field induced by the permanent magnet 140, thereby canceling the attraction between the polar piece 144 and the armature 142. Thus, the magnetic field of opposite polarity and the driving force of the
28/30 spring 148 force armature 142 back to closed position against base 152 to close pilot hole 150. With pilot hole 150 closed, diaphragm chamber 166 is flooded again to force diaphragm 158 to closed position against flap 128. As a result, the magnetic control valve 22 is closed and the water flowing through the spout 12 is interrupted.
[054] In one embodiment, the force required to collapse diaphragm 158 to open the magnetic control valve 22 is small due to the small size of pilot hole 150 in relation to the valve opening between diaphragm 158 and flaps 128. In one In this embodiment, the inlet 168 formed in the notch of the column 170 of the diaphragm housing 156 serves to drain water slowly into the diaphragm chamber 166 when closing the magnetic control valve 22, thus providing a smooth closing for the tap 10. In a In this embodiment, inlet 168 also serves as a filter to block particles in the passage 164 from entering diaphragm chamber 166, thereby improving the cleanliness of the area within diaphragm chamber 166.
[055] In one embodiment, the controller 24 is operative to control the magnetic control valve 22 based additionally on the output of the flow sensor 52 of FIG. 2. For example, in one embodiment, controller 24 controls the magnetic control valve 22 to dispense a predetermined volume of water before automatically closing tap 10. In another example, controller 24 can control the flow of water through the spout 12 for a desired flow rate either specified by the user or
29/30 established by the manufacturer. In another example, controller 24 detects a defect in tap 10 based on inadequate flow rate through spout 12. Other suitable controls can be implemented based on flow sensor 52. Flow sensor 52 may include an impeller positioned on the flow path (for example, in the fluid conduit 28d) and a Hall effect sensor coupled to the circuit board 40 that detects the position of the impeller to detect the flow capacity through the fluid conduit 28d. Other suitable flow sensors 52 can be provided.
[056] In one embodiment, auxiliary port 56 is configured to connect an input device to controller 24. The input device can channel control and / or feedback signals to controller 24 used to control tap 10. A device exemplificative input includes a pedal switch or a microphone. In one embodiment, controller 24 receives inputs from a pedal switch through an auxiliary port 56 and controls tap 10 based on the inputs of the pedal switch. For example, a foot switch can be positioned below the wash basin. Upon actuation by a user, the foot switch transmits a signal to controller 24 via auxiliary port 56 instructing controller 24 to open or close tap 10 or to adjust the flow rate or fluid temperature. In another mode, controller 24 powers and controls several lighting devices (for example, LEDs) positioned around the basin via the auxiliary port 56. In another mode, a microphone is
30/30 operatively connected to auxiliary port 56 of controller 24 to provide vocal activation of tap 10. For example, controller 24 detects audible signals (for example, a user's voice) through the microphone and controls tap 10 with based on audible signals. Exemplary voice-activated controls include close / open, flow rate, and water temperature.
[057] 0 Patent Application ÜS Serial No. 12 / 525,324, filed on November 11, 2009; US Patent Application Serial No. 12 / 600,769, filed November 18, 2009; US Patent Application Serial No. 12 / 763,690, filed April 20, 2010; and US Patent Application Serial No. 13 / 224,982, filed on September 2, 2011, are expressly incorporated herein by reference.
[058] Although the invention has been described in detail with reference to some preferred embodiments, there are variations and modifications within the spirit and scope of the invention as described and defined in the following claims.

权利要求:
Claims (36)
[1]
1. Electronic tap characterized by comprising:
a spout;
a fluid supply conduit supported by the spout;
a valve mechanism including a magnetic control valve positioned to control fluid flow through the fluid supply line, the magnetic control valve including a solenoid coil and a movable valve element operatively coupled to the movable valve element ; and an operative controller to control the magnetic control valve, the controller including a circuit board coupled to the valve mechanism and a processor mounted on the circuit board to control the magnetic control valve, the solenoid coil being mounted on the circuit board .
[2]
2. Faucet, according to claim 1, characterized in that it also includes a sensor coupled to the faucet and operative to provide a signal to the controller, the controller processor being operative for at least one among opening and closing the magnetic control valve based the signal provided by the sensor.
[3]
3. Faucet, according to claim 2, characterized by the fact that the sensor is operative for at least one among detecting an object in a detection zone near the spout and detecting the object that makes contact with the spout, and the sensor transmits the signal representative of object detection to the controller.
2/9
[4]
4. Faucet according to claim 1, characterized in that the valve mechanism also includes an external housing, and the circuit board and the magnetic control valve are positioned in the external housing.
[5]
5. Faucet according to claim 1, characterized in that the solenoid coil includes a coil and coil wire wrapped around the coil, and the coil is mounted on the circuit board.
[6]
6. Faucet, according to claim 4, characterized in that the coil includes conductor pins coupled to the circuit board, and the coil wire is connected to the conductor pins.
[7]
7. Faucet according to claim 1, characterized by the fact that an opening passes through the solenoid coil, and the circuit board is positioned parallel to the opening through the solenoid coil.
[8]
8. Faucet according to claim 7, characterized in that the valve housing includes a portion that houses the movable valve element, and the opening of the solenoid coil receives the portion of the valve housing.
[9]
9. Faucet according to claim 1, characterized in that the magnetic control valve also includes a polar part coupled to the solenoid coil, and the polar part extends along three sides of the solenoid coil.
[10]
10. Electrically operable valve mechanism for an electronic tap, characterized by comprising:
a valve housing with an interior region for
3/9 receive a fluid;
a magnetic control valve;
a temperature sensor positioned outside the interior region;
a heat transfer device that extends between the temperature sensor and the interior region to transfer heat from the fluid in the interior region to the temperature sensor; and a controller in communication with the temperature sensor and operative to control the magnetic control valve.
[11]
11. Electrically operable valve according to claim 10, characterized in that the controller includes an electronic circuit board coupled to the valve housing, and the temperature sensor is mounted on the electronic circuit board.
[12]
12. Electrically operable valve according to claim 11, characterized in that the electronic circuit board and the temperature sensor are positioned outside the valve housing.
[13]
13. Electrically operable valve according to claim 10, characterized in that the valve housing includes an external wall that defines the interior region, and the heat transfer device extends into the interior region through an opening formed on the outer wall.
[14]
14. Electrically operable valve according to claim 13, characterized in that it also includes a sealing ring at 0 positioned in the opening between the heat transfer device and the external wall of the housing
4/9 valve.
[15]
15. Electrically operable valve according to claim 10, characterized in that the heat transfer device includes a rivet, the rivet includes a hollow shaft portion and a head portion, and the hollow shaft portion is configured to receive fluid from the inner region of the valve housing.
[16]
16. Electrically operable valve according to claim 15, characterized in that the heat transfer device also includes a thermally conductive pad positioned between the rivet and the temperature sensor to transfer heat from the rivet to the temperature sensor.
[17]
17. Electrically operable valve, according to claim 10, characterized in that the controller is operative to control the magnetic control valve based on the temperature sensor output.
[18]
18. Electrically operable valve according to claim 10, characterized in that the temperature sensor includes a thermistor.
[19]
19. Electronic tap, characterized by comprising: a spout;
a fluid supply conduit supported by the spout;
a valve mechanism that includes an electrically operable valve positioned to regulate fluid flow through the fluid supply line; and a controller coupled to the valve mechanism and including an operating processor to control the electrically operable valve to control fluid flow
5/9 through the fluid supply line, the controller including a port communicating with the processor, the port being removably attached to electronics of a secondary dispensing device, the controller being operative for at least one of the control and power electronics of the secondary dispensing device through the door.
[20]
20. Faucet according to claim 19, characterized in that the controller is operable to control an electrically operable valve of the secondary dispensing device through the port to control fluid flow through the secondary dispensing device.
[21]
21. The tap according to claim 20, CcL3 ^ cí ^ 3 t ^ · 2 1Z | OelThe fact that the processor is operative to receive input signals from a proximity sensor of the secondary dispensing device through the door and to transmit electrical control signals to the secondary dispensing device through the door to control the electrically operable valve secondary dispensing device based on input signals.
[22]
22. Faucet according to claim 19, characterized in that it also includes a channeled electrical cable from the door to the electronics of the secondary dispensing device to route control signals from the electronic tap controller to the electronics of the secondary dispensing device, the cable electrical including a connector that is removably attached to the port.
6/9
[23]
23. Faucet, according to claim 19, characterized in that the controller is operatively coupled to a power source to supply the electronic tap, and the controller supplies the electronics of the secondary dispensing device from the power source through the door.
[24]
24. Faucet according to claim 19, characterized in that the secondary dispensing device includes at least one of a soap dispenser and a drink dispenser.
[25]
25. Faucet according to claim 19, characterized in that the secondary dispensing device includes an electronic faucet.
[26]
26. Faucet according to claim 19, characterized in that the controller includes a printed circuit board coupled to the valve mechanism, and the processor and port are mounted on the printed circuit board.
[27]
27. Faucet according to claim 26, characterized in that the valve mechanism includes an external housing with an opening, the printed circuit board and the electrically operable valve are positioned in the external housing, and the door is accessible through the opening external housing.
[28]
28. Faucet system, characterized by including:
an electronic tap that includes a spout, a fluid supply conduit supported by the spout, a valve mechanism that includes an electrically operable valve positioned to regulate fluid flow through the fluid supply conduit and an operating controller for
7/9 control the electrically operable valve to control fluid flow through the fluid supply line, the controller including a port, the controller and the port being mounted on the valve mechanism; and a secondary dispensing device that includes a spout, a fluid supply line supported by the spout, and electronics operatively coupled to the electronic tap controller port, the controller being operative for at least one of the control and supply of the secondary device electronics dispensing through the port to control fluid flow through the fluid supply conduit of the secondary dispensing device.
[29]
29. Faucet system according to claim 28, characterized in that the electronics include an electrically positioned operable valve
to regulate flow of fluid through of the flue in fluid supply of the device secondary in dispensation. 30. System of faucet a deal with The
claim 29, characterized in that the secondary dispensing device includes a proximity sensor configured to detect an object near the spout of the secondary dispensing device and to transmit a detection signal to the controller through the door, and the controller being operative to control the electrically operable valve of the secondary dispensing device based on the detection signal.
[30]
31. Faucet system according to claim 30, characterized by the fact that the proximity sensor
8/9 include a capacitive touch sensitive sensor operative to detect an object that makes contact with the spout of the secondary dispensing device.
[31]
32. Faucet system according to claim 28, characterized in that it also includes an electrical cable channeled from the controller port to the electronics of the secondary dispensing device to route power and control signals from the electronic tap controller to the device electronics secondary dispenser, the electrical cable including a connector that is removably attached to the port.
[32]
33. Faucet according to claim 32, characterized in that the controller includes a printed circuit board coupled to the valve mechanism, and the processor and port are mounted on the printed circuit board.
[33]
34. Faucet according to claim 33, characterized in that the valve mechanism includes an external housing with an opening, the printed circuit board and the electrically operable valve are positioned in the external housing, and the door is accessible through the opening external housing.
[34]
35. Faucet system according to claim 28, characterized in that the controller is operatively coupled to a power source for feeding the electronic tap, and the controller feeding the electronics of the secondary dispensing device from the power supply by middle of the door.
[35]
36. Faucet system, according to
9/9 claim 28, characterized in that the secondary dispensing device includes at least one of a soap dispenser and a beverage dispenser.
[36]
37. Faucet system according to claim 28, characterized in that the secondary dispensing device includes an electronic faucet.

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KR102094534B1|2018-07-17|2020-03-30|엘지전자 주식회사|control method of artificial intelligence water dispensing apparatus|

DE102018120982A1|2018-08-28|2020-03-05|Grohe Ag|Shower for a sanitary fitting with an actuating element for a plurality of diaphragm valves|

CA3055395A1|2018-09-17|2020-03-17|Joshua Wales|Metered dispense input device|

US10761546B2|2018-10-30|2020-09-01|Lunal Corp.|Anti-scalding water outlet device|

DE202018106353U1|2018-11-08|2020-02-11|Woco Industrietechnik Gmbh|Plug adapter for docking to a solenoid valve|

CN209164045U|2018-11-19|2019-07-26|浙江锐韦机电科技有限公司|Integrated pump valve mechanism|

US11248717B2|2019-06-28|2022-02-15|Automatic Switch Company|Modular smart solenoid valve|

CN111022726A|2019-12-06|2020-04-17|常州市武进区疾病预防控制中心|Intelligent water tap|

CN111780356B|2020-08-19|2021-07-30|安徽众仝环境工程有限公司|Multi-connected unit air conditioning system and installation method thereof|

US11131085B1|2021-01-07|2021-09-28|Chunhe Qiu|Valve system and method|

法律状态:
2018-04-03| B12F| Other appeals [chapter 12.6 patent gazette]|

2020-03-10| B150| Others concerning applications: publication cancelled [chapter 15.30 patent gazette]|Free format text: ANULADA A PUBLICACAO CODIGO 15.21 NA RPI NO 2455 DE 23/01/2018 POR TER SIDO INDEVIDA. 15.21 ANULADO PARA FINS DE PROSSEGUIMENTO DO FLUXO PROCESSUAL DO PEDIDO, EM ATENDIMENTO AO PARECER RECURSAL QUE REFORMOU A DECISAO EM REFERENCIA. |

2020-03-31| B03A| Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette]|

2020-04-14| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|

2020-10-27| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|

2021-02-09| B11B| Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements|

优先权:

申请号 | 申请日 | 专利标题

US13/837,052|2013-03-15|

US13/837,052|US9458612B2|2013-03-15|2013-03-15|Integrated solenoid valve for an electronic faucet|

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