• 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 invention relates to a heating, ventilation and / or air conditioning device for a motor vehicle, comprising at least a first channel (18) of air circulation (F1), a second channel (20) of air circulation (F2 ), an air intake housing (30) mounted upstream of said first and second circulation channels (32, 34) with respect to the air flow direction (F1, F2), the housing (30) being crossed by a first air intake channel (32), opening facing the first circulation channel (18), and by a second air inlet channel (34) opening opposite the second channel (20) the first and second air inlet channels (32, 34) being separated by a first partition (36). At the housing, the surface of the air passage section of the first air inlet channel (32) is different from that of the air passage section of the second inlet channel (34). air.
    公开号:FR3015930A1
    申请号:FR1363715
    申请日:2013-12-30
    公开日:2015-07-03
    发明作者:Thierry Barbier；Stephane Pernet
    申请人:Valeo Systemes Thermiques SAS；
    IPC主号:
    专利说明:

    [0001] The present invention relates to a heating, ventilation and / or air conditioning device for a motor vehicle.
    [0002] A motor vehicle has a passenger compartment into which the air typically comes from a heating, ventilation and / or air conditioning device. The vehicle includes in particular one or more deicing nozzles located near the windshield, aerators located at the dashboard and intended to deliver air to the driver and the passenger, and nozzles located at the level of the feet driver and passenger (foot nozzles). The heating, ventilation and / or air conditioning device, also called HVAC (for Heating, Ventilation and Air-Conditioning), can be supplied with either air outside the vehicle (also called fresh air) or with recirculation air. that is to say from the passenger compartment of the vehicle. Outside air is generally low in moisture when it is cold compared to recirculating air, but can be relatively cold, especially in winter conditions. It can therefore be relatively difficult to heat. The recirculating air generally has a higher moisture content than the outside air, since it has already been treated by the HVAC, but is already at a temperature close to the temperature to be reached, that is to say close to the set temperature defined for example by the driver or the passenger. Depending on the operating conditions, it may therefore be particularly advantageous to use outside air to reject it in the cabin at the defrosting nozzles located near the windshield, after heating through the aforementioned device, for example . As the humidity level of the fresh air is relatively low, the risk of generating fogging on the windshield is therefore also low. Conversely, it may be advantageous to use recirculation air to reject it in the passenger compartment at the foot nozzles. In this way, even in winter conditions and when a large air flow is requested by the driver or the passenger, it is possible to heat up this recirculation air more quickly to the set temperature before it is rejected in the winter. the cockpit. The comfort for the users is greatly accelerated and the risk of generating fog on the windshield is low, this recycling air being rejected away from the windshield. In order to take advantage of such advantages, it is important to be able to dissociate the air flows (outside air - recirculation air), in particular during the passage of said air flows through the heating, ventilation and / or air conditioning device.
    [0003] The invention proposes a heating, ventilation and / or air conditioning device for a motor vehicle, comprising a main body comprising at least a first air circulation channel, intended to feed a first part of a passenger compartment of a motor vehicle. a second air circulation channel for supplying a second part of the passenger compartment, an air intake box mounted on the main body, upstream of said first and second main body channels with respect to the direction of travel; air circulation, the air inlet housing being traversed by a first air inlet channel, opening opposite the first circulation channel of the main body, and by a second air inlet channel; opening opposite the second circulation channel of the main body, the first and second channels of the air inlet housing being separated by a first partition of the air inlet housing, characterized in that at the Case Style r air inlet, the surface of the air passage section of the first air inlet channel is different from the surface of the air passage section of the second air inlet channel.
    [0004] According to the invention, the air inlet housing thus has a partition wall for channeling a flow of air from the first air inlet channel to the first circulation channel of the main body and a flow of air. air from the second air inlet channel to the second circulation channel of the main body. The first air circulation channel can then feed for example the deicing nozzles located near the windshield and the second air circulation channel can then feed the foot nozzles. The integration of two air inlet sections of different dimensions into the device offers the possibility of supplying one of the first air intake channel and the second air intake channel with a flow rate of air superior to the other of the first air inlet channel and the second air inlet channel. In a particular embodiment of the device, the surface of the air passage section of the first air inlet channel is greater than the surface of the air passage section of the second air inlet channel, and for example about 1.7 to 2.3 times higher, preferably about 2 times. It is thus possible to feed the first part of the passenger compartment, for example the windshield, with a larger air flow. In a practical embodiment of the invention, the area of the air passage section of the first channel is between 55 and 70% of the sum of the area of the air passage section of the first channel and surface of the first channel. air passage section of the second channel. According to another characteristic of the invention, the first air intake channel is subdivided into a first duct and a second duct 25 separated from one another by a second partition of the inlet housing of air. Advantageously, the second air intake channel is also subdivided into a first duct and a second duct separated from each other by a third partition of the air intake box. In order to achieve optimum control of the air circulating in the first and second main body circulation channels and supplying the first and second parts of the passenger compartment, it is advantageous that the first ducts of the first and second input channels of air are connected to means for withdrawing air in a first zone and that the second ducts of the first and second air intake ducts are connected to means for withdrawing air in a second zone different from the first zone. In this way, when the device is mounted in a motor vehicle, the first zone may correspond to the outside of the vehicle and the second zone may correspond to the interior of the vehicle and it is then possible to supply each of the first and second Recirculation channels with airflow from either outside air, recirculating air or indoor air, or a mixture of both. According to another characteristic of the invention, at the air intake box, the surface of the air passage section of the second duct of the first air intake channel is greater than the surface of the section. passage of air from the first duct of the first air inlet channel, and for example about 1.7 to 2.3 times greater, preferably about 2 times. In addition, at the air intake box, the surface of the air passage section of the second duct of the second air inlet channel may be greater than the surface of the air passage section. the first duct of the second air inlet duct, and for example about 1.7 to 2.3 times greater, preferably about 2 times. At the air inlet box, the surface of the air passage section of the first duct of the first air inlet channel may be greater than the area of the air duct section of the first duct. the second air inlet channel, and for example about 1.7 to 2.3 times greater, preferably about 2 times. According to another characteristic of the invention, at the air intake box, the surface of the air passage section of the second duct of the first air intake channel is greater than the surface of the section. passage of air of the second duct of the second air inlet channel, and for example about 1.7 to 2.3 times greater, preferably about 2 times. Advantageously, the device comprises independent shutter means of each of the first and second conduits of each of the first and second channels. According to another characteristic of the invention, the closure means comprise hinged flaps or valves movably on the air inlet box between an open position and a closed position. In addition, the main body is equipped with means for generating a first air flow inside the first circulation channel and means for generating a second air flow inside the second circulation channel. circulation. In this case, said means for generating the first and second air streams respectively comprise a first finned wheel and a second finned wheel, driven for example by the same motor. Advantageously, the main body may comprise a first housing, equipped with means for generating the first air flow, and in which at least a portion of the first air circulation channel is delimited, the main body further comprising a second housing, equipped with means for generating the second air flow, and wherein is delimited at least a portion of the second air flow channel. The invention also relates to a motor vehicle, characterized in that it is equipped with a device of the aforementioned type. The invention will be better understood and other details, characteristics and advantages of the invention will become apparent on reading the following description given by way of non-limiting example with reference to the accompanying drawings, in which: FIG. front view of a heating, ventilation and / or air conditioning device according to one embodiment of the invention; - Figure 2 is a side view of the device; - Figures 3 and 4 are views in section and in perspective of the device; FIGS. 5 to 7 are views from above of the air intake box of the device; - Figures 8 to 10 are schematic views of the air inlet box according to different operating scenarios of the device. Figures 1 to 7 illustrate an embodiment of a device 10 according to the invention for heating, ventilation and / or air conditioning of the passenger compartment of a motor vehicle. It comprises a main body comprising an upper housing 12, a lower housing 14 and a cover 16, fixed to each other and delimiting a first fluid circulation channel 18 and a second fluid circulation channel 20. upper casing 12 of the main body is equipped with a first impeller 22 with fins 23 mounted in the first fluid circulation channel 18. The lower casing 14 of the main body is equipped with a second impeller 24 with fins 25 mounted in the second fluid circulation channel 20. The two wheels 22, 24 are driven at the same rotational speed by the same electric motor. The engine has a rotating shaft.
    [0005] The upper casing 12 of the main body comprises a wall 28 for separating the air flows, situated in the upper part of said casing 12. In a view from above, the partition wall 28 has the general shape of S, which is the consequence of the positioning wheels 22, 24 in the main body and necessary sections of the different air circulation channels 18, 20 of air to achieve the specifications in terms of air flow distribution. The device further comprises an air inlet housing 30 fixed to the main body, in particular fixed on the upper housing 12. The air inlet housing 30 delimits a first channel 32 located opposite the first air channel. air circulation 18, and a second channel 34 located opposite the second air circulation channel 20. The first 32 and second 34 air inlet channels of the air inlet housing 30 are separated by a partition wall 36, extending facing the partition wall 28 of the main body and having a general shape also in S. The air inlet housing 30 further comprises a housing forming a placement zone for a filter to air. In operation, this air filter (not shown) extends generally horizontally between the partition wall 10 and the partition wall 36. In particular, a first zone of the filter extends between the first circulation channel 18 of the body main and the first air inlet channel 32 and a second filter zone extends between the second circulation channel 20 of the main body and the second air inlet channel 34. As illustrated in FIG. a first air flow F1 can flow through the first channel 32, the air filter, and the first circulation channel 18 defined by the upper housing 12 and equipped with the wheel 22, before opening into a first zone of the air the passenger compartment of the motor vehicle, for example at deicing nozzles located near the windshield of the vehicle. Furthermore, a second air flow F2 can flow through the second air inlet channel 34, the air filter, the part of the second circulation channel 20 defined by the upper housing 12, the part of the second channel 20 of circulation defined by the cover 16, and the portion of the second channel 20 defined by the lower housing 14 and equipped with the second wheel 24, before opening into a second zone of the passenger compartment of the motor vehicle, for example at the foot nozzles arranged opposite the feet of the driver and the passenger. According to the invention, the surface of the air passage section of the first air inlet channel 32 is greater than the surface of the air passage section of the second air inlet channel 34, and for example about 1.7 to 2.3 times higher, preferably about 2 times.
    [0006] In practice, such a configuration allows to circulate a larger air flow towards the first part of the passenger compartment, namely the windshield. To obtain such an effect, the first wheel 22 which has a diameter substantially identical to that of the second wheel 24, is wider than the second wheel 24. The fins 23 of the first wheel 22 have a larger dimension along the axis rotation of the wheels 22, 24 that the fins 25 of the second wheel 24. The device 1 is also equipped with heat exchangers (evaporator, radiator) and / or at least one heater (electrical resistance), not represented, allowing to perform the functions of air conditioning (that is to say cooling) air, air heating and / or dehumidification (dehumidification being provided via the evaporator) of air, as is well known in itself. The partition wall 36 and the partition wall 28 ensure the continuity of the separation between the two air flows F1, F2, directly upstream and directly downstream of the air filter. It will be assumed that, given the structure of a conventional filter, the diffusion effect of the air in the filter thickness is negligible, so that this separation of the streams F1, F2 is maintained during the passage of the filters. F1, F2 airflow through the filter (and does not need to be sealed). The first air flow F1 and / or the second air flow F2 may be air flows, outside the vehicle, or recirculation air from the passenger compartment, or be a mixture of air outside and recirculating air. For this purpose, and as shown in FIGS. 5 to 10, the first air inlet channel 32 is subdivided into a first duct 38 and a second duct 40 which are separated from one another by a second partition wall. In a similar manner, the second air intake channel 34 is subdivided into a first duct 44 and a second duct 46 separated from each other by a third duct 44 and a second duct 46 separated from each other by a third duct 44. partition 47 for separating the air intake box 30. The first duct 38 of the first air intake channel 32 is separated from the first duct 44 of the second air intake duct 34 by a first portion 36a of the partition wall 36. Similarly, the second duct 40 of the first air intake duct 32 is separated from the second duct 46 of the second duct 34 by a second portion 36b of the partition wall 36. This second portion 36b is of S-shape.
    [0007] In practice, the first ducts 38, 44 of the first 32 and second 34 air inlet ducts are thus connected to means for taking and supplying outside air (not shown) and the second ducts 36, 40 of the first 32 and 34 second channels are connected to means for sampling air inside the passenger compartment (not shown). It is thus understood that the flow of air F1 flowing towards the first part of the passenger compartment and the flow of air F2 flowing towards the second part may comprise a mixture of fresh air and recycled air. whose proportion of each is determined by the sections of the first 38, 44 and second 40, 46 ducts of the first 32 and second 34 channels. As represented in FIGS. 5 to 7, the device is equipped with shutter means making it possible to shut off independently each of the first 38, 44 and second 40, 46 ducts. In practice, the air inlet thus comprises four openings forming the downstream ends of the first 38, 44 and second 40, 46 ducts. Each opening 38, 40, 44, 46 of the air inlet housing 30 is thus associated with two flaps or valves 48, 50 whose articulation in rotation between an open position and a closed position is carried out on the air inlet housing 30 and the housing side facing the first 18 and second 20 circulation channels of the main body. In a particular possibility of cooperation of the two flaps 48, 48a, 50, 50a associated with each duct 38, 40, 44, 46 of the air inlet housing 30, as shown in particular for the second duct 40 of the first 32, the flaps 48a, 50a can be positioned so that their axes of rotation 53, 55 are substantially parallel and dimensioned so that in the blocking position of the air flow in the second 40 leads, one of the peripheral edges 52 of one of the flaps 48a comes into contact with a surface of the other flap 50a. Note that the peripheral edges of the flaps 48a, 50a may include sealing lips. In the practical embodiment of Figure 7, the flaps 48, 48a, 50, 50a have a generally rectangular shape. The flap 48a of the second duct 40 of the first inlet channel 32 has a dimension along its axis of rotation which is greater than that of the flap 50a. In the blocking position of the air flow, the flap 48a comes for a part resting on an upstream face (with respect to the direction of air circulation) of the flap 50a and for another part resting on a portion 51 of the second portion 36b of the partition wall 36. This portion 51, substantially flat, is here substantially aligned with the axis of rotation 55 of the flap 50a. As can be seen in FIGS. 5 and 6, the air intake box comprises a grid 54 at the second 40, 46 ducts of the first 32 and second 34 air inlet ducts of the housing 30. to prevent the introduction into the device of medium size objects such as pieces of paper from the interior of the passenger compartment.
    [0008] In FIGS. 8 to 10, the hatches represent closed positions of the flaps 48, 50 closing one and / or the other of the first 38, 44 and second ducts 40, 46. As can be seen in FIG. surface of the air passage section of the second duct 40 of the first air inlet duct 32 is greater than the surface of the air duct section of the first duct 38 of the first air intake duct 32 , and for example about 1.7 to 2.3 times higher, preferably about 2 times. In addition, the surface of the air passage section of the second duct 46 of the second air inlet duct 34 is greater than the surface of the air duct section of the first duct 44 of the second duct 34. air intake and for example about 1.7 to 2.3 times higher, preferably about 2 times. Also, the surface of the air passage section of the first duct 38 of the first air intake channel 32 is greater than the surface of the air passage section of the first duct 44 of the second inlet duct 3 of air, and for example about 1.7 to 2.3 times greater, preferably about 2 times. Finally, the surface of the air passage section of the second conduit 40 of the first air intake channel 32 is greater than the surface of the air passage section of the second conduit 46 of the second inlet channel 34 of air, and for example about 1.7 to 2.3 times greater, preferably about 2 times. In practice, the device according to the invention will be very interesting for a particular use according to one of the three scenarios shown in FIGS. 8 to 10. In the case where it is desired to admit only fresh air in the cockpit, then it will be necessary to close the flaps 48, 50 associated with the second conduits 40, 46 of the first 32 and second 34 channels (Figure 8). In the case where it is desired to admit into the passenger compartment only recirculation air, then it will be necessary to close the flaps 48, 50 associated with the first conduits 38, 44 of the first 32 and second 34 channels (Figure 9 ). In the case where it is desired to admit fresh air at the windshield for example or dashboard aerators and recycled air at the foot nozzles, it will be necessary to close the shutters 48, 50 of the first duct 44 of the second channel 34 of air intake and the flaps 48, 50 of the second duct 40 of the first channel 32 of air inlet.
    权利要求:
    Claims (15)
    [0001]
    REVENDICATIONS1. Device (10) for heating, ventilation and / or air conditioning for a motor vehicle, comprising a main body (12, 14, 16) comprising at least one first channel (18) of air circulation (F1), intended to feed a first part of a passenger compartment of a motor vehicle, a second channel (20) of air circulation (F2) for supplying a second part of the passenger compartment, a box (30) of air intake mounted on the main body (12, 14, 16), upstream of said first and second channels (32, 34) for circulating the main body with respect to the direction of air flow (F1, F2), the housing (30) air inlet being traversed by a first channel (32) of air inlet, opening facing the first channel (18) of circulation of the main body (12, 14, 16), and by a second channel ( 34) opening opposite the second main body circulation channel (20) (12, 14, 16), the first and second air inlet ducts (32, 34) of the housing (30). ) being separated by a first partition (36) of the air intake housing (30), characterized in that at the air intake housing (30), the surface of the air passage section The air of the first air intake channel (32) is different from the surface of the air passage section of the second air intake channel (34).
    [0002]
    2. Device according to claim 1, characterized in that the surface of the air passage section of the first channel (32) of air inlet is greater than the surface of the air passage section of the second channel. (34) air inlet, and for example about 1.7 to 2.3 times higher, preferably about 2 times.
    [0003]
    3. Device according to claim 1 or 2, characterized in that the first channel (32) air intake is subdivided into a first conduit (38) and a second conduit (40) separated from one another by a second partition (42) for separating the air intake box (30).
    [0004]
    4. Device according to one of claims 1 to 3, characterized in that the second channel (34) of air intake is subdivided into a first conduit (44) and a second conduit (46) separated one of the other by a third partition (47) for separating the air intake box (30).
    [0005]
    5. Device according to claim 4 when dependent on claim 3, characterized in that the first ducts (38, 44) of the first (32) and second (34) air inlet channels are connected to means for withdrawing air in a first zone and the second conduits (40, 46) of the first (32) and second (34) air intake channels are connected to means for withdrawing air in a second different zone of the first zone.
    [0006]
    6. Device according to claim 4 or 5, characterized in that at the air inlet box, the surface of the air passage section of the second conduit (40) of the first inlet channel (32) of air is greater than the surface of the air passage section of the first duct (38) of the first air intake duct (32), and for example about 1.7 to 2.3 times greater, preferably about 2 times.
    [0007]
    7. Device according to one of claims 4 to 6, characterized in that at the air inlet box, the surface of the air passage section of the second conduit (46) of the second channel (34) the air intake section is greater than the area of the air passage section of the first duct (44) of the second air inlet channel (34), and for example about 1.7 to 2.3 times higher, preferably about 2 times.
    [0008]
    8. Device according to one of claims 4 to 7, characterized in that at the air inlet housing, the surface of the air passage section of the first duct (38) of the first channel (32). ) air inlet is greater than the surface of the air passage section of the first conduit (44) of the second air inlet channel (34), and for example about 1.7 to 2.3 times higher, preferably about 2 times.
    [0009]
    9. Device according to one of claims 4 to 8, characterized in that at the air inlet housing, the surface of the air passage section of the second conduit (40) of the first channel (32). ) air inlet is greater than the surface of the air passage section of the second conduit (46) of the second air inlet channel (34), and for example about 1.7 to 2.3 times higher, preferably about 2 times.
    [0010]
    10. Device according to one of claims 4 to 9, characterized in that it comprises independent shutter means of each of the first (38, 44) and second (40, 46) conduits of each of the first (32) and second (34) air inlet channels.
    [0011]
    11. Device according to claim 10, characterized in that the closure means comprise flaps (48, 50) or movable valves movable on the air inlet housing (30) between an open position and a closing position.
    [0012]
    12. Device according to one of claims 1 to 11, characterized in that the main body (12, 14, 116) is equipped with means (22) for generating a first air flow (F1) to the interior of the first circulation channel (18) and means (24) for generating a second air flow (F2) inside the second circulation channel (20).
    [0013]
    13. Device according to claim 12, characterized in that said means (22, 24) for generating the first and second air flow (F1, F2) comprise respectively a first impeller (22) and a second impeller. fins (24), driven for example by the same motor.
    [0014]
    14. Device according to claim 12 or 13, characterized in that the main body comprises a first housing (12), equipped with means (24) for generating the first air flow (F1), and in which is delimited at least a part of the first channel (18) of air circulation, the main body further comprising a second housing (14), equipped with means (24) for generating the second air flow (F2), and in which is delimited at least a portion of the second channel (20) for air circulation.
    [0015]
    15. Motor vehicle, characterized in that it is equipped with a device (10) according to one of claims 1 to 14.30.
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    FR3015930B1|2017-09-01|
    EP2889168A1|2015-07-01|
    EP2889168B1|2020-12-02|
    引用文献:
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    FR2788086A1|1998-12-30|2000-07-07|Valeo Climatisation|HEATING, VENTILATION AND / OR AIR CONDITIONING DEVICE COMPRISING A SUCTION PULSE|
    JP2008018875A|2006-07-13|2008-01-31|Calsonic Kansei Corp|Vehicular air-conditioning unit|
    DE102012004655A1|2012-03-02|2013-09-05|Valeo Klimasysteme Gmbh|Fan assembly for vehicle air-conditioning system, has bypass flap provided in distribution chamber and conducting part of airflow in airflow channel to air cooling unit and/or bypass duct, where airflow is guided in position of bypass flap|
    JP3750255B2|1997-01-07|2006-03-01|株式会社デンソー|Air conditioner for vehicles|FR3040918B1|2015-09-15|2018-07-27|Valeo Systemes Thermiques|AIR CONDITIONING DEVICE FOR MOTOR VEHICLE|
    FR3069489B1|2017-07-28|2019-11-01|Valeo Systemes Thermiques|PULSEUR AND DEVICE FOR HEATING, VENTILATION AND / OR AIR CONDITIONING FOR A MOTOR VEHICLE CORRESPONDING THERETO|
    FR3069616B1|2017-07-28|2019-12-27|Valeo Systemes Thermiques|AIR INTAKE AND PULSE BOX FOR HEATING, VENTILATION AND / OR AIR CONDITIONING DEVICE FOR CORRESPONDING MOTOR VEHICLE|
    FR3076768B1|2018-01-12|2019-12-13|Valeo Systemes Thermiques|AIR INTAKE BOX AND PULSE FOR HEATING, VENTILATION AND / OR AIR CONDITIONING DEVICE FOR CORRESPONDING MOTOR VEHICLE|
    FR3076767B1|2018-01-12|2019-12-13|Valeo Systemes Thermiques|AIR INTAKE BOX AND PULSE FOR HEATING, VENTILATION AND / OR AIR CONDITIONING DEVICE FOR CORRESPONDING MOTOR VEHICLE|
    CN112124039A|2020-10-20|2020-12-25|上海爱斯达克汽车空调系统有限公司|Air inlet device of automobile air conditioner|
    法律状态:
    2015-12-31| PLFP| Fee payment|Year of fee payment: 3 |
    2016-12-29| PLFP| Fee payment|Year of fee payment: 4 |
    2018-01-02| PLFP| Fee payment|Year of fee payment: 5 |
    2019-12-31| PLFP| Fee payment|Year of fee payment: 7 |
    2020-12-31| PLFP| Fee payment|Year of fee payment: 8 |
    2021-12-31| PLFP| Fee payment|Year of fee payment: 9 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1363715A|FR3015930B1|2013-12-30|2013-12-30|DEVICE FOR HEATING, VENTILATION AND / OR AIR CONDITIONING|FR1363715A| FR3015930B1|2013-12-30|2013-12-30|DEVICE FOR HEATING, VENTILATION AND / OR AIR CONDITIONING|
    EP14197846.0A| EP2889168B1|2013-12-30|2014-12-15|Heating, ventilation and/or air conditioning device|
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