EP4580895A1 - Dispositif de chauffage, ventilation et/ou climatisation, véhicule correspondant et procédé de montage - Google Patents
Dispositif de chauffage, ventilation et/ou climatisation, véhicule correspondant et procédé de montageInfo
- Publication number
- EP4580895A1 EP4580895A1 EP23728716.4A EP23728716A EP4580895A1 EP 4580895 A1 EP4580895 A1 EP 4580895A1 EP 23728716 A EP23728716 A EP 23728716A EP 4580895 A1 EP4580895 A1 EP 4580895A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- apron
- vehicle
- air
- distribution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating devices
- B60H1/00007—Combined heating, ventilating, or cooling devices
- B60H1/00021—Air flow details of HVAC devices
- B60H1/00028—Constructional lay-out of the devices in the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H1/00514—Details of air conditioning housings
- B60H1/00535—Mounting or fastening of the housing to the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating devices
- B60H1/00007—Combined heating, ventilating, or cooling devices
- B60H1/00021—Air flow details of HVAC devices
- B60H2001/00078—Assembling, manufacturing or layout details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating devices
- B60H1/00007—Combined heating, ventilating, or cooling devices
- B60H1/00207—Combined heating, ventilating, or cooling devices characterised by the position of the HVAC devices with respect to the passenger compartment
- B60H2001/00214—Devices in front of the passenger compartment
Definitions
- the invention relates to the field of heating, ventilation and/or air conditioning devices for vehicles, particularly automobiles.
- the invention also relates to a vehicle, in particular an automobile, comprising such a device as well as a method of mounting such a device in the vehicle.
- a motor vehicle is commonly equipped with a heating, ventilation and/or air conditioning device to regulate the aerothermal parameters of an air flow intended to be distributed towards the interior of a passenger compartment of the vehicle.
- a heating, ventilation and/or air conditioning device to regulate the aerothermal parameters of an air flow intended to be distributed towards the interior of a passenger compartment of the vehicle.
- HVAC Heating, Ventilation and Air-Conditioning
- HVAC generally comprises a housing delimited by partitions in which openings are provided, including at least one air inlet and at least one air outlet.
- the housing houses a blower to circulate the air flow from the air inlet to the air outlet.
- the housing also houses one or more heat treatment means, such as heat exchangers, to heat and/or cool the air flow prior to its distribution inside the passenger compartment.
- the heat treatment means may include an evaporator which is intended to cool and dehumidify the air flow passing through it, as well as a radiator, possibly associated with an additional radiator, which is intended to heat the flow. of air passing through it.
- a mixing chamber a chamber
- the chamber is in fluid communication with one or more air distribution ducts opening into a respective region of the passenger compartment.
- Such distribution ducts are generally provided with at least one distribution member, such as a distribution flap, in order to define the proportion of the air flow intended to be distributed in the corresponding region of the passenger compartment.
- a heating, ventilation and/or air conditioning device makes it possible to achieve airflow management for several zones or regions of the vehicle passenger compartment, there are however numerous constraints in terms of volume and weight for these devices.
- the heating, ventilation and/or air conditioning devices are generally arranged under the dashboard of the motor vehicle, this involves raising the dashboards thus limiting the driver's visibility. More precisely, the box is installed in the passenger compartment, between a dashboard board of the vehicle and a wall, commonly called an apron or firewall, separating the passenger compartment from the engine compartment of the vehicle.
- the housing is mounted in several parts and in several stages within the vehicle and these different parts of the housing are secured together once mounted in the vehicle, for example via the apron.
- a solution complicates the assembly process of the housing and the installation of the heating, ventilation and/or air conditioning device within the vehicle.
- the present invention aims to overcome one or more drawbacks of the prior art by optimizing the size of a heating, ventilation and/or air conditioning device and its installation in a vehicle, while limiting acoustic leaks.
- the subject of the invention is a heating, ventilation and/or air conditioning device, for a vehicle, in particular an automobile, the vehicle comprising an engine compartment and a passenger compartment, separated by an apron comprising an opening.
- Said device comprises a housing defining: a first part having at least one air inlet configured for the admission of an air flow into the housing, and in fluid communication with a chamber intended to be crossed by the air flow, and a second part having at least one air distribution duct, downstream of the chamber according to the flow of the air flow, the distribution duct ending in an air outlet configured to open into at least one zone of the passenger compartment of the vehicle.
- the first part and the second part are configured to be arranged on either side of the apron in the mounted state of the housing in the vehicle.
- the housing is configured to be mounted in one piece in the vehicle and only from a first side of the apron.
- the second portion of the housing is configured to pass through the opening in the apron so as to project from a second side of the apron opposite the first side.
- the housing is configured to be mounted in one piece in the vehicle and only from a first side of the apron.
- the second portion of the housing is configured to pass through the opening in the apron so as to project from a second side of the apron opposite the first side.
- Such a device can therefore be inserted into the vehicle in one piece, in one piece, and not in several parts to be assembled subsequently. This makes it possible to limit the steps of assembling the box and mounting it within the vehicle.
- the first part which is more bulky, is intended to be located on the side of the first side of the apron, such as the engine compartment, and only the second part allowing the distribution of the air flow in the passenger compartment is intended to be located on the second side of the apron, such as the passenger compartment.
- Said device may also include one or more of the following characteristics described below, taken separately or in combination.
- Said device may include at least one distribution flap arranged in the distribution conduit.
- Said device may comprise at least one drive assembly for said flap configured to drive said flap in movement so as to adjust the distribution of the air flow through the air outlet.
- the distribution flap drive assembly comprises in particular at least one actuator arranged in the first part of the housing.
- the actuator thus intended to be located on the first side, such as the engine compartment side, does not have to pass through the apron. This makes it possible to reduce the opening in the apron and limit acoustic leaks.
- the distribution flap drive assembly comprises at least one connecting member mechanically connected to said flap and to F actuator.
- the connecting member can be arranged at least partially in the second part of the housing.
- the housing is for example configured to be secured to a single face of the apron.
- the first part of the housing may comprise at least one member for fixing to the apron.
- Said device may include at least one heat exchanger arranged in the first part of the housing.
- Said device may include several heat exchangers arranged in the first part of the housing.
- the first part of the housing may have an outside air inlet and/or a recycling air inlet for an air flow coming from the passenger compartment of the vehicle.
- the invention also relates to a vehicle, in particular an automobile, comprising an engine compartment and a passenger compartment, separated by an apron comprising at least one opening.
- vehicle includes at least one heating, ventilation and/or air conditioning device, as defined above.
- the vehicle may also include one or more of the following characteristics described below, taken separately or in combination.
- the engine compartment of the vehicle is for example on the first side of the apron.
- the passenger compartment is for example on the second side of the apron.
- the apron may include a first opening through which the second part of the housing passes and a second opening placed opposite a recycling air inlet of the first part of the housing.
- the invention also relates to a method of mounting a heating, ventilation and/or air conditioning device as defined above in a vehicle, particularly an automobile.
- the invention relates to a heating, ventilation and/or air conditioning device 1, hereinafter designated as device 1.
- the device 1 is intended to be installed in a vehicle, particularly an automobile, not shown in the figures.
- the vehicle comprises an engine compartment M and a passenger compartment H.
- the engine compartment M and a passenger compartment H are separated by a panel commonly called apron 3.
- the engine compartment M is for example on a first side of the apron 3 and the passenger compartment H on a second side of the apron 3, opposite the first side.
- the apron 3 has an opening 31. This opening 31 is intended to be crossed by a part of the device 1, in particular for distributing air to the passenger compartment H, as described below.
- the invention also relates to such a vehicle comprising device 1.
- the X axis is a longitudinal axis of the device 1. This X axis can correspond to the front/rear longitudinal axis of the vehicle, that is to say according to the length of the vehicle, when the device 1 is mounted within the vehicle.
- the Y axis is a transverse axis of the device 1. This Y axis can correspond to the right/left transverse axis of the vehicle, that is to say according to the width of the vehicle, when the device 1 is mounted within the vehicle.
- the Z axis can coincide with the vertical up/down axis of the vehicle, that is to say according to the height of the vehicle, when the device 1 is mounted within the vehicle.
- the X, Y, Z axes are perpendicular to each other.
- the device 1 comprises a housing 5.
- the housing 5 can be in one piece (in a single piece), or comprise several modules assembled together. Once the modules are assembled, the box 5 forms a single block.
- the box 5 is mounted in one piece in the vehicle.
- the housing 5 is intended to be mounted in the vehicle only the first side of the apron 3, in particular from the engine compartment M.
- the walls of the housing 5 delimit an internal volume.
- This internal volume comprises at least one flow channel for an air flow intended to be distributed in the passenger compartment H.
- the flow channel makes it possible to convey an air flow from at least one air inlet 7, 7' allowing the air flow to be admitted into the housing 5 up to at least one air outlet 9a, 9b opening into the passenger compartment H when the device 1 is mounted in the vehicle.
- the air inlet 7, 7' is formed by an opening in the housing 5. It may be an exterior air inlet 7. Alternatively or in addition, the housing 5 may include at least one opening defining a so-called recycling air inlet 7', for a flow of air coming from the passenger compartment.
- a shutter called an air intake shutter, can be arranged between the two openings to at least partially close each one.
- the exterior air inlet 7 is provided in a lower or lower region of the housing 5.
- the exterior air inlet 7 can be arranged at the level of a upper or upper region of the housing 5.
- the recycling air inlet 7' is for example arranged at the upper or upper region of the housing 5.
- the lower region and the upper region are defined relative to the Z axis of the device 1, corresponding for example to the vertical axis of the vehicle in the mounted state of the device 1 in the vehicle.
- the apron 3 may further comprise a second opening facing this recycling air inlet 7.
- the opening intended to be passed through by a part of the device 1 is called first opening 31.
- At least one filter can be arranged in the housing 5, downstream of an air inlet, so as to be crossed by the air flow.
- at least one filter 8 is arranged downstream of the exterior air inlet 7.
- An access hatch 10 can be provided on the housing 5 for each filter 8, in order to be able to access and replace the filter(s) 8.
- the air flow is introduced into the housing 5 and directed by means of a blower 11.
- the air intake flap is for example arranged upstream of the blower 11 according to the direction of flow of the flow d 'air.
- the blower 11 comprises in particular a motor and a wheel, such as a paddle wheel or blades.
- the blower 11 is mounted to rotate around an axis. This axis of rotation of the blower can be vertical or, alternatively, horizontal, in the mounted state of the housing 5 in the vehicle.
- One or more means of heat treatment of the air flow can be housed in the housing 5.
- two heat exchangers 13, 15 are represented. This number is not limiting.
- a first heat exchanger 13 is for example an evaporator, intended to cool and dehumidify the air flow circulating within the housing 5.
- a second heat exchanger 15 is for example a radiator, intended to heat at least part of the air flow. air circulating within the housing 5.
- the second heat exchanger 15 is arranged downstream of the first heat exchanger 13, relative to the flow of the air flow.
- the second heat exchanger 15 can optionally be coupled to another heat exchanger, such as an electric radiator for example.
- the flow of air cooled by the first heat exchanger 13 can be guided within the flow channel towards the second heat exchanger 15.
- the device 1 can comprise a bypass channel 17 of the second heat exchanger 15.
- the flow of cold air, having passed through the first heat exchanger 13 circulates either through the second heat exchanger 15 to be heated, or bypasses the second heat exchanger 15 via the bypass channel 17 in order to maintain its low temperature.
- the device 1 may comprise one or more mixing flaps 19 making it possible to regulate the proportion of cold air flow passing through the second heat exchanger 15 and the proportion of cold air flow passing through the bypass channel 17.
- the mixing flaps 19 can be of different types. For example, these may be flag type shutters, corresponding to a door with a rotation shaft arranged at one of the ends of the door, or sliding type also known under the English name "sliding door". corresponding to a sliding door on which at least one rack is arranged, or of the butterfly type, corresponding to a shutter with a rotation shaft and one or two blades arranged on either side of the rotation shaft, as in the example illustrated.
- the mixing flaps 19 as illustrated are arranged between the first heat exchanger 13 and the second heat exchanger 15.
- the blower 11 makes it possible to route the air flow from at least one air inlet 7, 7' to at least one air outlet 9a, 9b, in particular after thermal conditioning of this air flow. air through the heat exchanger(s) 13, 15.
- the housing 5 defines a first part 5A and a second part 5B.
- the first part 5 A and the second part 5B of the housing 5 are arranged on either side of the apron 3 in the mounted state of the housing 5 in the vehicle.
- These two parts 5A, 5B form a unitary block mounted in one piece in the vehicle. It is not a case cut in two, and each part of which is inserted independently into the vehicle, in several stages.
- the housing 5 according to the embodiment described, is mounted as a whole, in one piece, within the vehicle, via the first side of the apron 3, such as the engine compartment.
- the second part 5B of the housing 5 passes through the opening 31 (or first opening 31) in the apron 3. In this way, the second part 5B projects from the second side of the apron 3, for example on the passenger compartment side H.
- the first part 5 A for its part, is arranged on the first side of the apron 3, for example on the engine compartment side M.
- the housing 5 can be secured to a single face of the apron 3. This concerns in particular a face of the first side of the apron 3, for example the engine compartment M. Otherwise said, in the mounted state of the device 1 in the vehicle, the housing 5 can only be fixed to the apron 3 on the first side of the latter, while extending on either side of the apron 3.
- the housing 5 and more precisely the first part 5A of the housing 5 comprises for this purpose at least one member (not shown) for fixing to the apron 3.
- a member of fixing is in particular intended to cooperate with a complementary element or member arranged on the apron 3. Any type of member or element allowing the fixing of the housing 5 to the apron 3 can be envisaged.
- the first part 5 A of the housing 5 presents the air inlet or the exterior air inlets 7 and 7' of recycling.
- the first part 5A advantageously comprises the filter(s) 8 possibly associated with each air inlet 7, 7'.
- it includes access hatch 10 for each filter 8.
- the first part 5A of the housing 5 may also include the blower 11. It may include in particular a volute corresponding to a part of the spiral housing, making it possible to convey the flow of air entering the housing to the first exchanger thermal 13.
- the first part 5A of the housing 5 can house the heat exchanger(s) 13, 15, and the possible mixing flap(s) 19.
- all the heat exchangers 13, 15 are arranged on the same side of the apron 3 , particularly on the M engine compartment side.
- the first part 5 A also defines a chamber 21 intended to be traversed by the air flow, which is therefore in fluid communication with the air inlet, such as the exterior air inlet 7 and/or or the 7' recycling air inlet.
- a chamber 21 is located downstream of the heat exchanger(s) 13, 15. It is for example a mixing chamber 21. In operation of the device 1, the hot and/or cold air flows leaving the heat exchangers 13, 15 can be guided towards the chamber 21 to be mixed there before distribution in the passenger compartment at a set temperature.
- the first part 5A thus forms an air inlet and thermal conditioning part.
- the second part 5B of the housing 5 comprises at least one air distribution conduit 23.
- the second part 5B thus forms a distribution part.
- distribution conduits 23 are shown. Of course, this number is not limiting, more or fewer distribution conduits 23 can be provided. [0075] According to an example of a particular arrangement, shown in Figures 1 and 2, at least one distribution conduit 23 can be arranged in the upper or upper region of the housing 5. The distribution conduit(s) 23 are in this example arranged at the region of the housing 5 opposite the exterior air inlet 7.
- the distribution conduit(s) 23 are arranged downstream of the chamber 21 according to the flow of the air flow.
- the distribution conduit(s) 23 each end in a respective air outlet 9a, 9b.
- the air outlets 9a, 9b open into at least one area of the vehicle passenger compartment when the device 1 is mounted in the vehicle.
- at least one air outlet 9a called ventilation and at least one other air outlet 9b called feet are provided.
- the ventilation air outlet(s) 9a are intended to open into the passenger compartment, for example substantially at the level of the busts of the passengers of the vehicle and/or their heads.
- the air outlet(s) 9b feet are intended to open into the passenger compartment at the level of the feet of the passengers of the vehicle.
- nozzles such as a defroster nozzle for defogging the windshield, a side/central ventilation nozzle for cooling/heating vehicle passengers, a foot nozzle for cooling/warming the feet passengers of the vehicle.
- the distribution conduit(s) 23 extend from the chamber 21 to a respective nozzle opening into the passenger compartment.
- a distribution or distribution flap 25 can be arranged in the distribution conduit(s) 23. More precisely, a distribution or distribution flap 25 can be arranged at the entrance to the distribution conduit(s) 23. Each distribution flap 25 is configured to move from a position where it completely closes the inlet of the distribution duct 23 corresponding to a position where it allows the air flow to circulate entirely within the distribution duct 23. Each flap 25 distribution is able to adopt any intermediate position.
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2205013A FR3135921A1 (fr) | 2022-05-24 | 2022-05-24 | Dispositif de chauffage, ventilation et/ou climatisation, véhicule correspondant et procédé de montage |
| PCT/EP2023/063701 WO2023227559A1 (fr) | 2022-05-24 | 2023-05-22 | Dispositif de chauffage, ventilation et/ou climatisation, véhicule correspondant et procédé de montage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4580895A1 true EP4580895A1 (fr) | 2025-07-09 |
Family
ID=82781365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23728716.4A Pending EP4580895A1 (fr) | 2022-05-24 | 2023-05-22 | Dispositif de chauffage, ventilation et/ou climatisation, véhicule correspondant et procédé de montage |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4580895A1 (fr) |
| FR (1) | FR3135921A1 (fr) |
| WO (1) | WO2023227559A1 (fr) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2991634B1 (fr) * | 2012-06-08 | 2016-03-25 | Valeo Systemes Thermiques | Systeme de conditionnement thermique d'un habitacle d'un vehicule, notamment un vehicule electrique. |
| JP6378935B2 (ja) * | 2014-05-27 | 2018-08-22 | サンデンホールディングス株式会社 | 車両用空気調和装置 |
| WO2020226346A1 (fr) * | 2019-05-09 | 2020-11-12 | 한온시스템 주식회사 | Climatiseur pour un véhicule |
| FR3104072B1 (fr) * | 2019-12-04 | 2022-01-14 | Valeo Systemes Thermiques | Dispositif de chauffage, ventilation et/ou climatisation pour véhicule automobile |
-
2022
- 2022-05-24 FR FR2205013A patent/FR3135921A1/fr not_active Withdrawn
-
2023
- 2023-05-22 WO PCT/EP2023/063701 patent/WO2023227559A1/fr not_active Ceased
- 2023-05-22 EP EP23728716.4A patent/EP4580895A1/fr active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023227559A1 (fr) | 2023-11-30 |
| FR3135921A1 (fr) | 2023-12-01 |
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Owner name: VALEO ELECTRIFICATION |