• 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:
    The present invention relates to an additional electric heating device (1) for heating a flow of air passing through including a duct of a ventilation system, heating and / or air conditioning of a motor vehicle, the additional heating device having a housing housing at least one heating module, said housing comprising: ○ a heating compartment having a first end (61) having an opening (600) and ○ a connection interface (8) comprising: ▪ a first plate (86) substantially planar, which extends substantially parallel to the opening so as to cover said opening, and ▪ a sleeve (88) which protrudes from the first plate (86) opposite the heating compartment, ▪ slits (80) passing through the first patina (86) and opening inside the sleeve (88), the connection interface (8) having on its inner face (89) facing the heating compartment; fe, at least one insertion pad (85) at least one of the edges facing the slots (80) is chamfered.
    公开号:FR3057817A1
    申请号:FR1660263
    申请日:2016-10-21
    公开日:2018-04-27
    发明作者:Frederic Pierron；Jose LeBorgne；Serif Karaaslan
    申请人:Valeo Systemes Thermiques SAS；
    IPC主号:
    专利说明:

    ® FRENCH REPUBLIC
    NATIONAL INSTITUTE OF INDUSTRIAL PROPERTY © Publication number: 3 057817 (to be used only for reproduction orders)
    ©) National registration number: 16 60 263
    COURBEVOIE
    ©) Int Cl 8 : B 60 H 1/22 (2017.01), F24 H 3/02, H 05 B 3/50
    A1 PATENT APPLICATION
    ©) Date of filing: 21.10.16. © Applicant (s): VALEO THERMAL SYSTEMS (30) Priority: Simplified joint stock company - FR. (72) Inventor (s): PIERRON FREDERIC, LEBORGNE JOSE and KARAASLAN SERIF. (43) Date of public availability of the request: 04.27.18 Bulletin 18/17. (56) List of documents cited in the report preliminary research: Refer to end of present booklet (© References to other national documents ©) Holder (s): VALEO THERMAL SYSTEMS related: Joint stock company. ©) Extension request (s): @) Agent (s): VALEO THERMAL SYSTEMS.
    104) ADDITIONAL ELECTRIC HEATING DEVICE.
    FR 3 057 817 - A1 _ The present invention relates to an additional electric heating device (1) for heating an air flow passing in particular through a duct of a ventilation, heating and / or air conditioning installation of a vehicle automotive, the additional heating device comprising a housing housing at least one heating module, said housing comprising:
    O a heating compartment, a first end (61) of which has an opening (600) and
    O a connection interface (8) comprising:
    a first substantially flat plate (86), which extends substantially parallel to the opening so as to cover said opening, and a sheath (88) which projects projecting from the first plate (86) opposite of the heating compartment, slots (80) passing through the first patina (86) and emerging inside the sheath (88), the connection interface (8) comprising on its internal face (89), facing the compartment heating, at least one insertion pad (85) of which at least one of the edges facing the slots (80) is chamfered.
    Additional electric heating device
    The invention relates to an additional electric heating device for a motor vehicle and the method of manufacturing said heating device. More particularly, the invention relates to an additional electric heating device integrated within a ventilation, heating and / or air conditioning installation of a motor vehicle.
    Additional electrical heaters generally include a housing in which at least one heating module is inserted. The housing includes:
    • a connection interface which allows the connection of the heating module (s) to a source of electrical power for the vehicle, • a heating compartment comprising:
    ° a first open end through which the heating module is inserted and against which the connection interface is affixed, ° a second end, opposite the connection interface and at the first end, ° at least two crosspieces connecting the first end and the second end, and ° at least one upright connecting said sleepers.
    The connection interface and the heating compartment surround the heating module. The upright (s) hold the heating module (s) within the housing formed by the connection interface and the heating compartment.
    Such additional heating devices are known in particular from patent applications EP1821575, EP1486363 and from patent EP2133225. However, mounting these various elements together to form the additional heater can be complex and expensive.
    One of the aims of the present invention is therefore to at least partially remedy the drawbacks of the prior art and to propose an improved additional heating device whose assembly is simplified.
    The present invention therefore relates to an additional electric heating device for heating an air flow passing in particular through a duct of a ventilation, heating and / or air conditioning installation of a motor vehicle, the additional heating device comprising a housing housing at least one heating module, said housing comprising:
    ° a heating compartment, one end of which has an opening, and ° a connection interface comprising:
    a first substantially flat plate, which extends substantially parallel to the opening so as to cover said opening, and a sheath which extends projecting from the first plate opposite the heating compartment, slots passing through the first patina and emerging inside the sheath, the connection interface comprises on its internal face, facing the heating compartment, at least one insertion pad of which at least one of the edges opposite the slots is chamfered .
    According to one aspect of the invention, each slot has two insertion pads, an insertion pad being arranged on each of its lateral sides.
    According to another aspect of the invention, the at least one insertion pad comes integrally with the connection interface.
    According to another aspect of the invention, the slots on the internal face of the connection interface are chamfered.
    Other characteristics and advantages of the invention will appear more clearly on reading the following description, given by way of illustrative and nonlimiting example, and the appended drawings among which:
    Figure 1 shows a schematic perspective representation of an additional heating device, Figures 2a and 2b show schematic representations of a heating module according to a first embodiment, Figure 2c shows a schematic representation of a heating module according to a second embodiment, Figure 3 shows a schematic representation of one end of a heating module, Figure 4 shows a schematic perspective view of a heating compartment, Figures 5 and 6 show schematic representations in perspective of a connection interface, FIG. 7 shows a schematic perspective representation of one end of the heating compartment of FIG. 4, FIG. 8 shows a schematic representation of the connection between a heating compartment and the interface of connection.
    Identical elements in the different figures have the same references.
    The following embodiments are examples. Although the description refers to one or more embodiments, this does not necessarily mean that each reference relates to the same embodiment, or that the characteristics apply only to a single embodiment. Simple features of different embodiments can also be combined and / or interchanged to provide other embodiments.
    In the present description, it is possible to index certain elements or parameters, such as for example first element or second element as well as first parameter and second parameter or even first criterion and second criterion etc. In this case, it is a simple indexing to differentiate and name elements or parameters or criteria that are similar but not identical. This indexing does not imply a priority of an element, parameter or criterion over another and one can easily interchange such names without departing from the scope of this description. This indexing does not imply an order in time for example to assess such or such criteria.
    In the description which follows, reference will be made to an orientation as a function of the Longitudinal, Vertical and Transversal axes as they are arbitrarily defined by the trihedron L, V, T represented in FIGS. 1 to 8. The choice of the designations of these axes are not limiting of the orientation that the device can take in its application to a motor vehicle.
    FIG. 1 shows an additional heating device 1 comprising a housing 3 and at least one heating module 4 able to transform an electric current into thermal energy.
    The additional heating device 1 is suitable for being housed in an air circulation duct of a ventilation, heating and / or air conditioning installation (HVAC for the acronym Heating, Ventilation and Air-Conditioning). so as to transform the electrical energy taken from the vehicle into thermal energy and return it to the air passing through said HVAC.
    The HVAC is not shown here, but it will be understood that a main duct of this HVAC conventionally comprises an opening made in the wall for the insertion of the additional heating device.
    The housing 3 is formed by a heating compartment 6, into which at least one heating module 4 can be inserted, along the longitudinal axis L, and a connection interface 8.
    The housing 3 is preferably made of a plastic material, for example polypropylene or polyamide, loaded with glass fibers. The heating compartment 6 and the connection interface 8 can be made of the same material or else of different materials. For example, the connection interface 8 can be made of a material that is less resistant to heat than the heating compartment 6. In fact, the heating compartment 6 can be brought to undergo temperatures of the order of 150 to 180 ° C due to the heating modules 4 while the connection interface 8 can be brought to undergo temperatures of the order of 85 to 105 ° C.
    FIGS. 2a to 2c show in more detail the heating module 4. The heating module 4 comprises:
    • at least two conductive assemblies 4a, 4b electrical and thermal, formed:
    ° a conductive electrode 42 extended longitudinally by a free end of electrode 420, said free end of electrode 420 being able to be connected to the source of electrical power of the vehicle at the connection interface 8, ° a retaining plate 43 can be made of a metallic material such as aluminum for example, and ° an interlayer 44 sandwiched and held between the conductive electrode 42 and the retaining plate 43, the interlayer 44 can in particular be a metal strip folded in accordion and placed between the conductive electrode 42 and the holding plate 43 so that an air flow can pass through the interlayer 44, • at least one ceramic 45 with a positive temperature coefficient effect (PTC) ), said at least one ceramic 45 being sandwiched between two conductive assemblies 4a, 4b.
    In a first embodiment of a heating module 4, illustrated in FIGS. 2a and 2b, said heating module 4 comprises two conductive assemblies 4a and 4b superimposed and between which are placed 45 PTC ceramics. In the case illustrated in FIGS. 2a and 2b, there are four 45 PTC ceramics arranged side by side, but this number can vary in particular depending on the length of the heating module 4. The longer a heating module 4, the more the number of 45 CTP ceramics required will be large, and conversely, the shorter a heating module 4, the smaller the number of 45 CTP ceramics required.
    In this first embodiment of the heating module 4, said heating module 4 then comprises two free ends of electrodes 420, a first free end of electrode 420 being able to be connected to a positive electrical supply terminal and a second end free of electrode 420 being able to be connected to a negative electrical supply terminal.
    In a second embodiment of the heating module 4 illustrated in FIG. 2c, the heating module 4 comprises three conductive assemblies 4a, 4b and 4c superimposed and between which are placed 45 PTC ceramics. In the case illustrated in FIG. 2c, there are four 45 PTC ceramics between two sets, but this number can vary in particular depending on the length of the heating module 2.
    In this second embodiment of the heating module 4, the heating module 4 then comprises three free ends of electrodes 420, two free ends of electrodes 420 being able to be connected to a positive electrical supply terminal, in particular the free ends of electrodes 420 of the conductive assemblies 4a and 4b placed on the periphery of the superposition of the conductive assemblies 4a, 4b and 4c, and a free end of electrode 420 being able to be connected to a negative electrical supply terminal, in particular the free electrode end 420 of the conductor assembly 4c placed at the center of the superposition of the conductor assemblies 4a, 4b and 4c.
    As illustrated in FIG. 3, the at least one heating module 4 comprises a terminal 49 for connection to the electric harness of the vehicle. This connection terminal 49 is disposed on each of the free ends of electrodes 420 extending the heating modules 4. The connection terminal 49 has a fixing part 491 forming a sleeve of width slightly greater than the width of the conductive electrode 42 for be crimped on its free end of electrode 420. The connection terminal 49 also has a connection part formed by a tongue 492 which extends in the extension of the free end of electrode 420. This tongue 492 here has a substantially rectangular section.
    These connection terminals 49 serve as an interface between the free ends of electrodes 420 and electrical connectors not shown. Indeed, depending on the type of heating module 4, the free ends of electrodes 420 can be very thin and not suitable for directly receiving electrical connectors.
    The heating compartment 6 is illustrated in FIG. 4. The heating compartment 6 comprises in particular:
    • a first end 61 comprising an opening 600 extending along the plane formed by the vertical axis V and the longitudinal axis L. The at least one heating module 4 is inserted into the housing 3 through the opening 600. The first end also carries the connection interface 8, • a second end 62, in particular of mechanical fixing, which is arranged at the other end of the heating compartment 6 opposite the first end 61. Said second end 62 is in particular able to cooperate with a wall of the duct of the ventilation, heating and / or air conditioning installation, and • two side walls 63, mutually parallel and which define the side sides of the heating compartment 6. These side walls 63 extend along the longitudinal axis L and play the role of sleepers connecting the first 61 and second ends.
    The heating compartment 6 may in particular be in the form of a rectangular parallelepiped whose two main faces are perforated to allow the diffusion in the conduit of the heat released by the heating modules 4 housed inside the heating compartment 6.
    The heating compartment 6 can also include deflectors 630 on the side walls 63. These deflectors 630 make it possible to increase and regulate the pressure drops within the HVAC duct, so as to redirect the air flow so that 'it passes through the heating module or modules 4. The deflectors 630 can also include openings 631, the number and size of which vary according to the pressure drop requirements.
    Amounts 68, arranged at regular intervals or not, from each other, extend along the vertical axis V over the entire height of the main faces of the housing 3 in order to stiffen the heating compartment 6, without penalizing the release of heat . The uprights 68 extend substantially perpendicular to the side walls 63 from a respective transverse edge to connect the side walls 63 together.
    As illustrated in FIG. 4, the heating compartment 6 can also include an intermediate wall 64, disposed between the side walls 63 parallel to the latter. It is thus possible to define two separate housings 36 in the heating compartment 6. Each housing 36 may include a heating module 4.
    The additional heating device 1 can more particularly comprise a first heating module 4 according to the first embodiment described above and a second heating module 4 according to the second embodiment described above. These two heating modules 4 are separated from each other by the intermediate wall 64. It is nevertheless entirely conceivable to imagine, without departing from the scope of the invention, an additional heating device 1 comprising less or more of heating modules 4, according to any embodiment of the heating modules 4.
    The intermediate wall 64 may also comprise at least one elastic deformation blade 640, produced in particular by a partial punching of a portion of the intermediate wall 64, so that it is articulated to the intermediate wall 64 at a first longitudinal end . This elastic deformation blade, on the other hand, has a free end which extends, in a rest position of the elastic deformation blade 640, projecting from the plane defined by the intermediate wall 64, in one or the other. housings 36. Preferably, the intermediate wall 64 comprises at least two elastic deformation blades 640, each having their free end projecting into a separate housing 36. The free end of the resilient blade 640 preferably points opposite the opening 600 of the first end 61 so as not to hinder the insertion of the heating module 4. The resilient blade 640 plays a role shock absorber and pushes along the vertical axis V on the heating module 4 to hold it in place and stabilize it.
    The first end 61 is intended to receive a connection interface 8 for connecting the device 1 to an electrical network of the vehicle and supplying the heating modules 4, the connection interface 8 covering the opening 600. This connection interface 8 is illustrated in figure 5.
    The connection interface 8 has an electrical connection function to allow the connection of the heating modules 4 to a source of electrical energy and a mechanical function to seal the opening of the HVAC conduit through which the device additional heater 1 is inserted.
    The connection interface 8 comprises:
    • a first substantially flat plate 86, which extends substantially parallel to the opening 600 so as to cover the opening 600, either in the plane formed by the vertical axis V and the transverse axis T, and • a sheath 88 which projects from the first plate 86, along the longitudinal axis L, opposite the heating compartment 6.
    Mechanical fixing means associated with the connection interface 8 can be carried by the first plate 86 which has fixing holes 860 allowing the mechanical fixing of the additional heating device 1 to the HVAC duct, for example by screwing.
    The first plate 86 may have on its internal face 89, facing the heating compartment 6, a peripheral groove 890 in which a seal can be positioned or in which an element of the HVAC can be inserted in order to form a baffle . This ensures airtightness between the interior of the location where the heating compartment 6 extends and the exterior of this location where the first plate 86 extends and in particular the sleeve 88.
    The connection interface 8 has slots 80 crossing, along the longitudinal axis L, the first patina 86. The slots 80 open out inside the sheath
    88. The slots 80 have a section defined to receive and guide through the connection interface 8 the connection terminals 49, so that they can extend into the sheath 88 projecting from the first plate 86.
    In order to facilitate the insertion of the connection terminals 49 into the slots 80, the connection interface 8 may comprise on its internal face 89, facing the heating compartment 6, at least one insertion pad 85 of which at least one of the stops facing the slots 80 is chamfered, as shown in FIG. 5 and in more detail in FIG. 6. Each slot 80 can in particular comprise two insertion pads 85, an insertion pad 85 being disposed on each of its lateral sides. Preferably, the insertion pads 85 come in one piece with the connection interface 8.
    Still in order to facilitate the insertion of the connection terminals 49, the slots 80 on the internal face 86 of the connection interface 8 can be chamfered.
    The connection terminal or terminals 49 of the heating modules comprise at least one fin 493 projecting from a lateral side of the connection terminal 49 (visible in FIG. 3). This at least one fin 493 is intended to come to engage in a complementary receiving notch 610 produced at the level of the first end 61 of the heating compartment 6 (visible in FIG. 4). Preferably, a connection terminal 49 comprises two fins 493 extending on either side of said connection terminal 49, on its lateral sides and which engage in two notches 610 produced on either side of the opening 600 of the first end 61 of the heating compartment 6.
    Advantageously, the at least one fin 493 comes integrally with the connection terminal 49 and can have the shape of a rectangular parallelepiped.
    The at least one complementary notch 610 preferably has a depth corresponding to the width of the fin 493. Thus, the edge of said fin 493 can be aligned with the external peripheral edge of the first end 61 of the heating compartment 6 as illustrated in Figure 7.
    In order to facilitate the insertion of the at least one fin 493 into the complementary notches 610, the openings of the latter may include chamfers.
    As shown in FIG. 8, the connection interface 8 when it is fixed to the first end 61, encloses the at least one fin 493 between the bottom of the complementary notch 610 and said connection interface 8, more preciously its internal face
    89.
    These fins 493 allow the free ends 420 of the heating modules 4 to be held within the housing 3. The notches 610 limit the movements of the heating modules 4 along the vertical axis V but also along the longitudinal axis L when the connection interface 8 is fixed.
    As shown in FIGS. 5 and 6, the connection interface 8 may comprise on its internal face 89, facing the heating compartment 6, at least one guide finger 81 projecting in the direction of the first end 61 of the compartment heater 6. As shown in more detail in FIG. 6, the at least one guide finger 81 can have a conical shape or have its end in the shape of a cone and the top of which points towards the heater compartment 6. The at least one guide finger 81 may in particular be cruciform or have a shape inscribed in a reference cone in order to limit the amount of material. Preferably and for greater ease of manufacture, the at least one guide finger 81 comes integrally with the connection interface 8.
    The first end 61 of the heating compartment 6 for its part comprises at least one guide cavity 650 (visible in particular in FIGS. 4, 7 and 8) and capable of receiving a guide finger 81.
    The at least one guide finger 81 and its guide cavity 650 in particular allow alignment and guiding of the connection interface 8 when it is placed against the first end 61 of the heating compartment 6 in order to form the housing. 3.
    The connection interface 8 can comprise two guide fingers 81 and the first end 61 of the heating compartment 6 can comprise two guide cavities 650. Preferably, these two guide cavities 650 are arranged on either side of the opening 600 at the level of the side walls 63. The two guide fingers 81 are arranged on either side of the assembly formed by the slots 80.
    In order to fix the connection interface 8 to the heating compartment 6, the internal face 86 of the connection interface 8 may have hooked tabs 87, the ends of which are fitted into holes 611 of the first end 61 so that to allow fixing by elastic and / or mechanical fitting.
    The second end 62 of the heating compartment 6 comprises a second plate 620 (visible in FIG. 1) which extends in the plane formed by the vertical axis V and the transverse axis T, substantially perpendicular to the side walls 63, of the heating compartment 6. This second plate 620 is substantially parallel to the first plate 86 of the connection interface 8.
    The second plate 620 may include lugs 621 projecting away from the heating compartment 6 and serving to position the additional heating device 1 within the HVAC duct.
    Thus, it is clear that due to its structure and in particular the presence of the fins 493 on the electrical connection terminals 49 associated with the notches 610 of the first ends 61 of the heating compartment 6, guide fingers 81 associated with the cavities guide 650 as well as insertion pads 85, the mounting of the additional heating device 1 is facilitated.
    权利要求:
    Claims (4)
    [1" id="c-fr-0001]
    1. Electric additional heating device (1) for heating an air flow passing in particular through a duct of a ventilation, heating and / or air conditioning installation of a motor vehicle, the additional heating device (1) comprising a housing (3) housing at least one heating module (4), said housing (3) comprising:
    ° a heating compartment (6), a first end (61) of which has an opening (600), and ° a connection interface (8) comprising:
    a first substantially flat plate (86) which extends substantially parallel to the opening (600) so as to cover said opening (600), and a sheath (88) which projects from the first plate ( 86) opposite the heating compartment (6), slots (80) passing through the first patina (86) and emerging inside the sheath (88), characterized in that the connection interface (8) comprises on its internal face (89), facing the heating compartment (6), at least one insertion pad (85) of which at least one of the edges facing the slots (80) is chamfered.
    [2" id="c-fr-0002]
    2. Additional electric heating device (1) according to the preceding claim, characterized in that each slot (80) has two insertion pads (85), an insertion pad (85) being arranged on each of its lateral sides .
    [3" id="c-fr-0003]
    3. Additional heating device (1) electric according to one of the preceding claims, characterized in that the at least one insertion pad (85) comes integrally with the connection interface (8).
    [4" id="c-fr-0004]
    4. Additional electric heating device (1) according to one of the preceding claims, characterized in that the slots (80) on the internal face (89) of the connection interface (8) are chamfered.
    1/6
    621
    620
    L
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    同族专利:
    公开号 | 公开日
    KR102257611B1|2021-05-27|
    EP3529093A1|2019-08-28|
    EP3529093B1|2020-05-27|
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    引用文献:
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    CN105352040B|2015-11-30|2018-10-23|广东美的制冷设备有限公司|Cabinet air-conditioner|FR3075554A1|2017-12-19|2019-06-21|Valeo Systemes Thermiques|ELECTRICAL HEATING DEVICE WITH ELECTRODES RECEPTION STATION|
    FR3079713A1|2018-03-29|2019-10-04|Valeo Systemes Thermiques|ELECTRICAL HEATING DEVICE AND HEATING, VENTILATION AND / OR AIR CONDITIONING INSTALLATION INCLUDING SUCH AN ELECTRICAL HEATING DEVICE|
    法律状态:
    2017-10-31| PLFP| Fee payment|Year of fee payment: 2 |
    2018-04-27| PLSC| Publication of the preliminary search report|Effective date: 20180427 |
    2018-10-30| PLFP| Fee payment|Year of fee payment: 3 |
    2019-10-31| PLFP| Fee payment|Year of fee payment: 4 |
    2020-10-30| PLFP| Fee payment|Year of fee payment: 5 |
    2021-10-29| PLFP| Fee payment|Year of fee payment: 6 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1660263|2016-10-21|
    FR1660263A|FR3057817B1|2016-10-21|2016-10-21|ADDITIONAL ELECTRIC HEATING DEVICE|FR1660263A| FR3057817B1|2016-10-21|2016-10-21|ADDITIONAL ELECTRIC HEATING DEVICE|
    EP17794385.9A| EP3529093B1|2016-10-21|2017-10-17|Electric auxiliary heating device|
    JP2019521157A| JP6843980B2|2016-10-21|2017-10-17|Electric auxiliary heating device|
    PCT/FR2017/052852| WO2018073530A1|2016-10-21|2017-10-17|Electric auxiliary heating device|
    KR1020197011120A| KR102257611B1|2016-10-21|2017-10-17|Electric auxiliary heating device|
    CN201780065327.9A| CN110087921A|2016-10-21|2017-10-17|Electric auxiliary heating device|
    US16/343,798| US11214123B2|2016-10-21|2017-10-17|Electric auxiliary heating device|
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