• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A control system for a laundry machine provides a system for engaging a laundry machine in a deposit mode, allowing an operator to use the machine as needed to process customers' clothing without requiring activation of the machine via a machine. payment interface. In one embodiment of the invention, the system provides a lock function that allows a machine to be reserved for a specific user holding a password or a predetermined code. In another embodiment, the laundry machine is configured with a low power and / or interruption facility whereby the power consumption of the machine can be greatly reduced during periods of inactivity.
    公开号:BE1019813A3
    申请号:E2008/0609
    申请日:2008-11-07
    公开日:2013-01-08
    发明作者:Paul D Schroeder；Gary L Ziesemer；Jason D Mader
    申请人:Alliance Laundry Systems Llc；
    IPC主号:
    专利说明:

    LAUNDRY MACHINE SYSTEM FOR AUTOMATION AND ENHANCED PROCESS CONTROL
    FIELD OF THE INVENTION
    The invention relates generally to laundry machines and more particularly to a control system for a laundry machine to improve the efficient use of the machine.
    BACKGROUND OF THE INVENTION
    Many commercial clothes machines are designed to allow users, for example members of the public, to activate the machines and use them to wash clothes. Typically, users pay for the service provided by the machine by inserting coins, money, cards, and so on. However, it is often desirable for a machine to be available in a more limited manner, that is for use by an operator of the facility without paying or for use by members of the public upon reservation. However, the current systems allowing this type of action are not satisfactory and require too much involvement or supervision of the operator. In addition, the operation of these machines can be very expensive in terms of electricity consumption, however it is difficult to manage the power consumption of these machines, especially when the machines are not in use.
    SUMMARY OF THE INVENTION
    In view of the foregoing, it is an object of the invention to provide a system and method for engaging a laundry machine, i.e., a laundry machine, a tumble dryer, a drum, etc., in a deposit mode, allowing the operator to use the machine as needed to process customer clothes without having to activate the machine via a payment interface.
    To this end, an associated object is to provide a control system for a laundry machine having a locking function to allow a machine to be reserved for a specific user holding a password or a predetermined code .
    Another related object of the invention is to provide a laundry machine with a low energy consumption and / or interruption installation, whereby the power consumption of the machine can be considerably reduced during idle periods.
    These and other related objects are obtained in various embodiments of the present invention. The features and advantages of the invention can be understood from the description of the embodiments of the invention set forth below with reference to the drawings, in which: BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a partially schematic front view a washing machine / extractor type washing machine in which a washing drum rotates about a generally horizontal axis; Figure 2 is a schematic view showing the functional modules of the laundry machine; Fig. 3 is a flowchart showing a method for initiating and operating in a deposition mode according to an embodiment of the invention; Fig. 4 is a flowchart showing a method of initiation and operation in lock mode according to an embodiment of the invention; Fig. 5 is a flowchart showing a method of initiation and operation in idle mode according to an embodiment of the invention; and Fig. 6 is a flowchart illustrating a method of setting a deferred installation date according to one embodiment of the invention to take into account the time during which the machine may not be fully operational.
    DETAILED DESCRIPTION OF THE INVENTION Figure 1 shows a laundry machine 20 that incorporates an embodiment of the control system for controlling the operation of the machine 20 according to described embodiments of the invention. In the embodiment shown in FIG. 1, the laundry machine 20 is a front loading extractor type machine, with a front door 22 that can be opened to load the clothes to be cleaned in the machine. The laundry machine has a washing drum 24 into which clothes are loaded. The drum 24 is supported in the extractor laundry machine for rotation about a generally horizontal central axis. During the washing and rinsing phases of the cleaning operation, the drum 24 is partially filled with water (or other solvent used for cleaning) and is rotated at relatively low speeds to rotate. the clothes in the drum to enhance the cleaning effects. After the washing and rinsing phases, the drum 24 in which the wet clothes are located is rotated at a relatively high angular rate to remove (or "pull out") the residual water from the wet clothes by centrifugal force. To effectively extract water from clothing, the speed of rotation of the drum 24 is often relatively high, generating centrifugal forces up to 300 times the force of the gravitational field of the earth.
    As shown in Fig. 2, the drum 24 is driven by a motor 28 which is coupled to the drum 24 via appropriate means such as a belt / pulley arrangement 30 or a gear. The motor 28 may be, for example, an AC motor which provides sufficient torque to drive the drum 24 with the clothes wet inside at desired rotational speeds. The motor 28 is powered by a drive control device 36 which provides the voltage and current required to drive the motor 28. In one embodiment, the drive control device 36 includes a microprocessor 38 suitably programmed. for controlling the power supply of the motor 28 and a nonvolatile memory 42 for storing programs and controlling data for the microprocessor 38. The nonvolatile memory 42 may be a read only memory and the programs stored in such nonvolatile memory 42 are commonly referred to as "firmware". The drive control device 36 further includes a power supply circuit 44 which provides the current and voltage for the motor 28 under the control of the microprocessor 38. As described in more detail below, the power supply circuit includes a detection circuit 46 for detecting a difference in phase angle between the voltage and the current applied to the motor 28.
    In order to control its general operations, the laundry machine 20 comprises a machine control device 50. The machine control device 50 sends control signals to various components of the laundry machine 20, including the control device. 36, to perform a selected wash operation, which may include multiple wash, rinse and extract phases. The machine controller 50 includes a control panel 56 that can be used by a user to enter instructions and operation parameters. The machine controller 50 includes a microprocessor 52 and a nonvolatile memory 54 for storing program software and operation data. In a preferred embodiment, the memory 54 for storing the software programs for the microprocessor 38 is a read-only memory.
    In order to control the operations of the laundry machine 20 and to receive operational information, an interface is established between the machine controller 50 and the active components of the laundry machine 20 by means of communication and power connections. appropriate. As shown in FIG. 2, the machine control device 50 is connected to the drive control device 36 for the motor 28 driving the washing drum 24 by means of a communication line 60, which can be used by the operator. machine control device 50 for sending control signals or instructions to the drive control device 36. The machine control device 50 is further connected to the drive control device 36 by a signal line 64 for receive data from the drive controller 36. The signal line 64 connects the machine controller 50 to a signaling device in the circuit of the drive controller 36. In one embodiment, the device signaling is a relay 66 which can be a mechanical relay or a semiconductor device based on a transistor. As described in more detail below, the relay 66 is operated by the drive controller 36 to provide a digital signal which indicates the magnitude of a detected imbalance of the laundry load in the drum.
    In Fig. 3, to initiate and operate in a repository mode, the controller operates according to computer executable instructions on a computer readable medium, in association with data and information stored thereon or on a different medium. . The process steps of Figure 3 illustrate how the above instructions are performed, although it is appreciated that other instructions and sequences may be used without departing from the spirit of the invention.
    To enter the deposition mode, the controller 50 detects a deposition mode sequence or code at step 301. The activation code can be presented to the controller 50 through the manipulation by the user of the user interface 56 or can be sent to the controller 50 via a network or other communication link. For example, in a commercial laundry facility open to the public, an operator of the facility may wish to program the machines from a central location and can program the entry into deposit mode of one or more machines.
    According to a characteristic of the invention, once the inactivity activation code has been received, the machine controller 50 determines in step 302 whether the machine is configured to accept such a code. For example, a machine can be programmed via a file or configuration setting to enable or disable the repository mode. If it is determined in step 302 that the machine is not configured to enable activation of the deposition code, then the method 300 is abandoned after step 302. Otherwise, the process continues to step 303, in which the machine goes into deposit mode. After entering the depot mode, the controller displays an appropriate message through the user's screen at step 304. As an example, the screen can be changed to display "busy" or another appropriate message to alert potential users to the fact that the machine is not available at the moment.
    In addition, in step 305, the controller disables certain control inputs of the machine. For example, in one embodiment of the invention, the controller 50 may disable or cause ignorance of a coin deposit, the insertion of a card, the depression of a coin button. start and / or other command inputs usable to use the machine in modes other than the deposition mode. However, the keyboard preferably remains activated, so that a user code can be entered, as discussed below. In addition, the connection of the machine to the network or other communication link may be maintained so that instructions or user codes for the machine 20 may be provided by the control center, if necessary.
    In one embodiment of the invention, if the machine 20 executes a wash cycle upon receipt of the deposit activation code, the machine 20 continues until the end of the cycle. In another embodiment of the invention, a bypass code may be provided via the user interface 56 or the network connection to interrupt the operation of the machine 20 at half cycle after receiving the idle activation code and put the machine 20 in deposit mode immediately. The derivation code can be a sequence or a combination of input key strokes. By way of example, a possible combination of keys that can be used as a derivation code consists in simultaneously pressing keys 5 and 6. Other combinatorial and / or sequential codes can be used as desired.
    In step 306, the controller 50 causes the machine to enter a wait state. In the standby state, the machine 20 can not be used other than by entering a user code. In step 307, the controller 50 determines whether a valid user code has been entered. Typically, a user code may be entered by entering the code digits via the user interface keyboard 56, and then pressing a "start" button or the like. If the entry of a valid user code is not detected in step 307, the method performs loops in step 307 until the entry of a valid user code entry is detected. At this point, the method proceeds to step 308. It will be appreciated that the wait state may be abandoned other than by the input of a separate and distinct user code if the manufacturer or operator of the installation wishes. For example, a new entry of the depot mode activation code or code can be received to exit the repository mode.
    In step 308 of the method 300, the controller 50 resets the input elements that were disabled in step 305. For example, in one embodiment of the invention, the device The controller 50 resets the coin deposit, card insertion, start button and / or other command entries that can be used to operate the machine in modes other than the deposit mode. In one embodiment of the invention, although coin deposit and / or card insertion devices may be enabled, the machine 20 is configured to operate free of charge once the valid user code is entered into the machine. .
    In step 309, the machine 20 receives, through the user interface 56, a set of user instructions defining or selecting a wash cycle to be executed and the indicated cycle is executed in step 310 At the end of the cycle, the process proceeds to step 311, during which the deposition mode is reactivated and the process returns to step 306.
    The depot method 300 described above is useful when an operator of a laundry facility wishes to use laundry machines to process garments received or "dropped" by customers to be washed for customers. In addition, the deposit function can be used to allow the use of a machine 20 by a customer as part of a promotion or to meet repayment obligations or to perform other tasks without requiring payment.
    A similar machine mode useful in the same circumstances or in different circumstances is referred to here as the lock mode. This mode makes the machine 20 available for use only by members of the public capable of entering a predetermined unlock code. This approach is useful, for example, to allow users to reserve machines locally or remotely, so that they can know that a machine will be available for them and for use during a reserved time. The method 400 illustrated in the flowchart of FIG. 4 illustrates an example of a method of locking and unlocking a machine 20, but it will be appreciated the possibility of using other similar methods without departing from the scope of the invention. 'invention.
    In step 401, the machine 20 (i.e., through the processor within it) detects a lock activation sequence or code and a sequence of lock parameters. In one embodiment of the invention, the lock code is received from a remote source, for example a remote user in communication with the machine via one or more servers to reserve the machine for a certain time. . The lock parameter sequence preferably identifies the period during which the machine is to be reserved. Typically, for example, the lock parameter sequence will include a start time (e.g., hour and minutes) and a duration (e.g., a specified number of hours and / or minutes).
    According to a feature of the invention, once the lock enable code and latch parameters are received, the machine controller 50 determines in step 402 whether the machine 20 is configured; to accept a lock request, for example through a file, a configuration setting, or another item. If it is determined in step 402 that the machine 20 is not configured to accept a lock request, then the process 400 terminates after step 402. Otherwise, the method 400 proceeds to step 403, where the machine 20 determines whether the designated start time has been reached. If it is determined in step 403 that the designated start time has not been reached, then the method 400 loops at step 403 until the moment designated as the start time is reached. .
    When the designated start time is reached, the process 400 proceeds to step 404, where the machine 20 enters the lock mode. After entering the lock mode, the controller 50 displays an appropriate message via the user screen 56 in step 405. The screen may for example be changed to display "res", " reserved ", or other appropriate message to warn potential users that the machine 20 is reserved by another user. In addition, the controller 50 disables or ignores any coin deposit, card insertion, depression of the start button, and / or other command entries other than those necessary to enter a reservation code. In addition, when the machine 20 enters lock mode, it also starts a timer at step 406. The machine 20 exits the lock mode either when the appropriate reservation code is entered during the lock period period or when the lockout period expires.
    Thus, in step 407, the machine 20 determines whether a valid reservation code has been entered, for example by comparing any entered reservation code with a known valid reservation code. If it is determined in step 407 that a valid reservation code has been entered, the method 400 proceeds to step 409. If not, the method proceeds to step 408, where the machine determines if the lock time has expired, for example, if the timer matches the specified duration. If it is determined in step 408 that the lock duration has expired, the process proceeds to step 410 where the machine exits lock mode and the process terminates. Otherwise, if it is determined in step 408 that the lockout time has not expired, the process returns to step 407.
    Referring again to FIG. 4, if it was determined in step 407 that a valid reservation code has been entered and the method 400 continued at step 409, the machine 20 unlocks the elements of the user interface 56 that were locked in step 405 and ends. At this point, the user is able to pay or activate the machine for use and enter the appropriate instructions to cause the machine to perform a desired wash cycle.
    To save electricity during periods of inactivity or. traditionally rare periods of use, the machine 20 can also be configured to accept a request to enter low power or interrupt mode (also generally referred to herein as inactive modes). These modes allow an installation to save electricity, but they make the machine less easy to use since the machine 20 must be brought out of the low power / interruption mode before use. The flowchart of FIG. 5 illustrates a method 500 for entering the machine in such a mode and its behavior under these conditions.
    At step 501, the machine 20 receives at its controller 50 via a network connection, or by comparing a current date, day, and / or time with a date, a day, and / or a or a preprogrammed time, or other operator interface 56, an input request in interrupt / low power consumption mode, as well as a set of interrupt / low power consumption parameters. The interrupt / low power settings preferably include a start time and an end time or a start time and a duration. According to a characteristic of the invention, once the interrupt / low energy consumption demand and its received parameters have been received, the machine control device 50 determines in step 502 whether the machine 20 is configured to accept a demand for interruption / low energy consumption, for example via a file, a configuration adjustment or another element. Typically, the configuration information specifies which inactive modes are enabled, such as different modes that exhibit different behaviors.
    If the machine 20 is not configured to accept a request for inactivity, then the process 500 terminates. If not, the method 500 continues to step 503, where the machine 20 determines whether the designated start date and time have been reached. If it is determined in step 503 that the designated start date and time have not been reached, then the method 500 loops in step 503 until the date and time designated starting points are reached.
    At the designated start date and time, the method proceeds to step 504, where the machine 20 enters the configured inactive mode. As noted above, the machine 20 supports two inactive modes, namely an interrupt mode and a low power mode. In the interruption mode, the machine 20 uses less electrical energy than it would if it were active, but it still receives a power derived from a transformer associated with the power supply circuit of the machine 20. In this mode, the machine 20 can not be used by the customers, but the screen is active and can display a message such as "stop".
    In low power mode, the screen may be blank. However, in both modes, the communication facilities of the machine 20 remain active to allow remote reactivation of the machine as desired.
    When the machine 20 enters idle mode, the controller 50 sets an idle timer at step 505, so that the end of the desired idle period can be certified. In step 506, the controller continuously checks the inactivity timer to determine if the idle period has expired. When it is determined that the idle period has expired, the controller 50 exits the idle mode and the method 500 terminates.
    Timing is also important for warranty expiration and service planning purposes. It is particularly useful for general information on the date of installation of a machine, but the start of a warranty expiration statement at the time of installation of the machine would be disadvantageous for customers. Particularly during the first cycles of the machine, it is typical to make adjustments and maintenance and to otherwise use the machine for configuration rather than for commercial and other lucrative purposes.
    Thus, in another embodiment of the invention, the installation date is set after a predetermined number of cycles of the machine. In the embodiment of the invention described, the number; predetermined is ten, but another number, higher or lower, may be preferred.
    In the example of Figure 6, a method of recording the date of installation of the machine is illustrated. In step 601 of method 600, the controller waits for the end of a wash cycle. After the end of a detected cycle, method 600 proceeds to step 602. In step 602, the controller determines whether the number of completed cycles is ten. If it is determined in step 602 that the number of cycles completed is not yet ten, the process returns to step 601. If not, the process proceeds to step 603, where the date of the day (eg day / month / year) is read and saved as the installation date. The process then ends.
    In view of the many possible embodiments to which the principles of the present invention may be applied, it should be recognized that the embodiment described herein relating to the figures of the drawings is for illustrative purposes only and should in no way be construed as limiting the scope of the invention. Those skilled in the art will recognize that the elements of the illustrated embodiments can be modified in layout and detail without departing from the spirit of the invention. The invention as described herein therefore contemplates all embodiments that fall within the scope of the following claims and their equivalents.
    权利要求:
    Claims (24)
    [1]
    A method of initiating and operating a laundry machine in a deposition mode comprising the steps of: detecting the receipt of a valid activation sequence; determine whether the laundry machine is capable of accepting the activation sequence; ensure that the laundry machine remains in a current mode without entering the deposit mode if it is determined that the washing machine is not capable of accepting the activation sequence and, if not, passing the operation of the laundry machine in a depot mode in which the machine enters the standby state and is not usable by a user other than the input of a predetermined user code.
    [2]
    A method of initiating and operating a laundry machine according to claim 1, wherein the activation sequence is received through the manipulation by the user of a user interface associated with the machine. laundry.
    [3]
    A method of initiating and operating a laundry machine according to claim 1, wherein the activation sequence is received from a remote source via a communication link.
    [4]
    A method of initiating and operating a laundry machine according to claim 1, wherein determining whether or not the machine is capable of accepting the activation sequence further comprises evaluating at least one configuration file and a configuration setting to allow or prohibit the activation of the repository mode.
    [5]
    A method of initiating and operating a laundry machine according to claim 1, wherein the passage of the operation of the laundry machine to a deposit mode further comprises displaying a message readable by the user through a user screen.
    [6]
    A method of initiating and operating a laundry machine according to claim 1, wherein the transition from the operation of the laundry machine to a deposition mode further comprises deactivating one or more control inputs of the laundry machine. the washing machine.
    [7]
    The method of initiating and operating a laundry machine according to claim 6, wherein the one or more control inputs of the laundry machine comprise at least one coin insertion function, an insertion function. card and a start button function.
    [8]
    A method of initiating and operating a laundry machine according to claim 6, wherein the transition from the operation of the laundry machine to a deposition mode further comprises allowing an input keyboard to user associated with the laundry machine to remain active so as to be able to receive user input via the keyboard.
    [9]
    9. A method of initiating and operating a laundry machine according to claim 1, wherein leaving the laundry machine in the current mode without entering the deposit mode if it is determined that the washing machine is not able to accept the activation sequence further comprises determining that the machine is running a wash cycle when the activation code is received and continues until completion of the cycle.
    [10]
    The method of initiating and operating a laundry machine according to claim 9, further comprising receiving a bypass code and, in response to receiving the bypass code, interrupting the operation of the machine after receiving the activation sequence without continuing until the completion of the cycle.
    [11]
    The method of initiating and operating a laundry machine according to claim 10, wherein the branching sequence comprises an input key sequence.
    [12]
    The method of initiating and operating a laundry machine according to claim 1, further comprising the steps of: determining receipt of a valid user code; in response to determining the receipt of the valid user code, take out the operation of the laundry machine from the deposit mode, so that it is usable by a user.
    [13]
    A method of initiating and operating a laundry machine as claimed in claim 6, further comprising reactivating the one or more control inputs of the laundry machine upon receipt of a valid user code.
    [14]
    A method of initiating and operating a laundry machine according to claim 12, wherein the output of the operation of the laundry machine from the deposition mode so that it can be used by a user further comprises the machine configuration for free operation.
    [15]
    The method of initiating and operating a laundry machine according to claim 12, wherein the valid user code comprises a new entry of the deposition mode activation sequence.
    [16]
    16. A laundry machine system operable in normal mode and in a deposit mode, comprising: a laundry machine for receiving and processing one or more items of laundry; a user interface for receiving information from a user; and a machine control device having an interface with the laundry machine and the user interface, the machine controller being adapted to detect receipt of a valid activation sequence, determine whether the laundry machine system is able to accept the activation sequence and cause the laundry machine to remain in normal mode without going into deposition mode when the washing machine is not able to accept the activation sequence, or to pass the machine in the deposit mode when the machine enters a waiting state and is not usable by a user other than the entry of a predetermined user code.
    [17]
    The laundry machine system of claim 16, wherein the activation sequence is received via the user interface.
    [18]
    The laundry machine system of claim 16, further comprising a communication link to a remote computer, the activation sequence being received via the communication link.
    [19]
    The laundry machine system of claim 16, wherein the capacity of the laundry machine system to accept the activation sequence is determined by at least one of a configuration file and a configuration setting. .
    [20]
    The laundry machine system of claim 16, wherein the user interface further comprises a screen and wherein the machine controller is further operable to display a user-readable message via the user interface when the laundry machine goes into deposit mode.
    [21]
    The laundry machine system of claim 16, wherein the machine control device is further operable to disable one or more control inputs of the laundry machine.
    [22]
    The laundry machine system of claim 6, wherein the one or more control inputs of the laundry machine comprise at least one coin insertion function, a card insertion function and a start button function. .
    [23]
    23. A method of operating a laundry machine and recording a date of installation for the laundry machine, comprising the steps of: detecting the end of a wash cycle; determine if the number of wash cycles completed since the installation of the machine exceeds a predetermined number; and if it is determined that the number of cycles completed is equal to a predetermined number, read a current date and set the date of installation of the machine to the current date.
    [24]
    A method of operating a laundry machine in idle mode, the machine comprising communication facilities for remote communication between the machine and a remote entity, the method comprising the steps of: receiving an entry request in idle mode, the request including a designated start date and time; determine whether the laundry machine is configured to accept an idle mode request; if the machine is configured to accept an idle mode request, determine whether the designated start date and time have been reached; and if it is determined that the designated start date and time have been reached, enter the machine in idle mode, the machine using less energy than when it is not in idle mode, but the facilities communication of the machine remaining powered.
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    同族专利:
    公开号 | 公开日
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    GB2454580B|2012-06-06|
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