CN219487114U - In-vehicle temperature control system - Google Patents
In-vehicle temperature control system Download PDFInfo
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- CN219487114U CN219487114U CN202320607618.9U CN202320607618U CN219487114U CN 219487114 U CN219487114 U CN 219487114U CN 202320607618 U CN202320607618 U CN 202320607618U CN 219487114 U CN219487114 U CN 219487114U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
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- Control Of Temperature (AREA)
- Control Of Eletrric Generators (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The utility model provides an in-vehicle temperature control system, which comprises a first heat exchanger, a refrigeration cycle pipeline, an air conditioner and a remote cooling device. The first heat exchanger is thermally coupled to a power plant. The refrigeration cycle passes through the first heat exchanger and an air conditioning heat exchange area. The air conditioning apparatus cools the refrigeration cycle according to the air conditioning heat exchange area. The remote cooling device comprises a cooling device heat exchanger, a cooling device radiating unit and a radiating fan. The heat exchanger of the cooling device is used for the refrigerating circulation pipeline to pass through, so that the first refrigerant flows to the first heat exchanger after passing through the air conditioner heat exchange area. The cooling device radiating unit is arranged corresponding to an in-vehicle space. The cooling fan provides a cooling air flow which passes through the cooling unit of the cooling device and flows to the space in the vehicle. The utility model can effectively utilize the remote cooling device to assist the air conditioning system to cool the electric equipment, and can also provide heat energy to the space in the vehicle to reduce the burden of the air conditioning system.
Description
Technical Field
The present disclosure relates to temperature control systems, and particularly to an in-vehicle temperature control system.
Background
In recent years, global environmental awareness has raised, and more people choose electric vehicles as vehicles, and the names of electric vehicles mainly use electric power as a power source, so that battery management of electric vehicles is very important, and batteries need to be supplied to various instruments and control systems besides power devices, for example, an air conditioning system is utilized to maintain the temperature in the vehicle at a temperature comfortable for users, and a cooling system is utilized to reduce the temperature of the batteries.
As described above, in the prior art, a general air conditioning system mainly uses a principle of a refrigerating cycle to cool by using a phase change of a refrigerant and to discharge waste heat to an external space, thereby providing cool air to maintain a relatively comfortable temperature in a vehicle space, and a cooling system for cooling a battery or a power device is generally a simple water cooling tower or the like.
However, although most air conditioning systems are used to provide cool air to the space inside the vehicle, in areas with high latitude, because the temperature of the external environment is generally low, the air conditioning system needs to cool the power device and the battery, and needs to heat to provide warm air to the space inside the vehicle, so that the power consumption of the air conditioning system is greatly increased, the consumption of the battery is also increased, the heat is more easily generated, and even in vicious circle of the power consumption, the service life of the battery is possibly reduced, and the whole service time of the electric vehicle is also influenced, which is very inconvenient.
Disclosure of Invention
In view of the fact that in the prior art, the existing electric vehicle mainly uses an air conditioning system to provide cool air for an interior space and electric equipment, but when the use environment of the electric vehicle is in a high-latitude area, the air conditioning equipment needs to provide cool air for the electric equipment and also needs to provide warm air for the interior space, so that not only is the energy consumption increased, but also the temperature of a battery is easier to rise, and the service life and the use time of the battery are further affected; accordingly, a primary object of the present utility model is to provide an in-vehicle temperature control system that can effectively utilize a remote cooling device to assist an air conditioning system in cooling electrical equipment, and can also provide heat energy to an in-vehicle space to reduce the burden on the air conditioning system.
The utility model provides an in-vehicle temperature control system which is applied to a vehicle and provided with a power device and an in-vehicle space, wherein the in-vehicle temperature control system comprises a first heat exchanger, a refrigeration cycle pipeline, an air conditioner and a remote cooling device.
The first heat exchanger is thermally coupled to a power plant. The refrigeration cycle pipeline passes through the first heat exchanger and is filled with a first refrigerant, and the refrigeration cycle pipeline passes through an air-conditioning heat exchange area. The air conditioning device cools the refrigeration cycle pipeline in the air conditioning heat exchange area according to a set temperature, so that the temperature of the first refrigerant approaches to the set temperature.
The remote cooling device comprises a cooling device heat exchanger, a cooling device radiating unit and a radiating fan. The cooling device heat exchanger is used for the refrigerating cycle pipeline to pass through, and at least part of the first refrigerant flowing out of the remote cooling device flows through the air conditioner heat exchange area and the first heat exchanger in sequence. The cooling device radiating unit is arranged corresponding to the vehicle interior space and communicated with the cooling device heat exchanger, so that the first refrigerant passing through the cooling device heat exchanger radiates heat through the cooling device radiating unit. The heat radiation fan is used for providing a heat radiation air flow, so that the heat radiation air flow flows to the vehicle space after being heated by the heat radiation unit of the cooling device so as to raise the temperature of the vehicle space.
In an accessory technical means derived from the above necessary technical means, the air conditioning apparatus further comprises an air conditioning circulation line, an indoor unit and an outdoor unit. The air conditioner circulating pipeline is filled with a second refrigerant. The indoor unit comprises an evaporator and a cooling fan. The evaporator is used for the air conditioner circulating pipeline to pass through, so that the second refrigerant absorbs heat and evaporates when passing through the evaporator. The cooling fan is used for providing a cooling air flow, and the cooling air flow flows to the air conditioner heat exchange area after passing through the evaporator for cooling, so that the first refrigerant in the refrigeration cycle pipeline is cooled to be close to the set temperature. The outdoor unit is used for the air conditioner circulating pipeline to pass through and is used for compressing, condensing and expanding the second refrigerant flowing out of the evaporator and then sending the second refrigerant back to the evaporator.
Preferably, the outdoor unit further comprises a compressor, a condenser and an expansion valve. The compressor is used for the air conditioner circulating pipeline to pass through and is used for compressing the second refrigerant flowing out of the evaporator. The condenser is used for the air conditioner circulating pipeline to pass through and is used for condensing the second refrigerant flowing out of the compressor. The expansion valve is used for the air conditioner circulation pipeline to pass through and is used for decompressing and expanding the second refrigerant flowing out of the condenser and then sending the second refrigerant back to the evaporator.
In addition, the outdoor unit is arranged corresponding to the air-conditioning heat exchange area, and the outdoor unit also comprises a heat radiation fan, wherein the heat radiation fan is used for providing a heat radiation air flow, so that the heat radiation air flow flows to the vehicle interior space after being heated by the condenser so as to raise the temperature of the vehicle interior space.
In an accessory aspect derived from the above-mentioned aspect, the in-vehicle temperature control system further includes a second heat exchanger thermally connected to a power battery, and the refrigeration cycle passes through the second heat exchanger, and at least a portion of the first refrigerant flowing out of the remote cooling device sequentially flows through the air conditioning heat exchange area and the second heat exchanger.
As described above, according to the present utility model, the first refrigerant flowing out of the first heat exchanger is cooled by the remote cooling device, so that the first refrigerant flowing out of the remote cooling device flows to the air conditioning heat exchange area at a relatively low temperature to receive the cooling of the air conditioning device, and the first refrigerant is pre-cooled by the remote cooling device, so that the temperature of the first refrigerant can be effectively reduced, the service lives of the power device and the power battery can be relatively prolonged, and the heat absorbed by the remote cooling device in heat exchange with the first refrigerant can be discharged to the vehicle interior space, so that the heating load of the air conditioning device can be effectively reduced.
The specific embodiments employed in the present utility model will be further described by the following examples and drawings.
Drawings
Fig. 1 is a schematic diagram of an in-vehicle temperature control system according to a preferred embodiment of the utility model.
Reference numerals illustrate:
100 in-vehicle temperature control system
1 first heat exchanger
2 refrigeration cycle pipeline
3 air conditioner
31 air conditioner circulation pipeline
32 indoor unit
321 evaporator
322 cooling fan
33 outdoor unit
331 compressor
332 condenser
333 expansion valve
334 second radiator fan
4 second heat exchanger
5-remote cooling device
51 Cooling device Heat exchanger
52 cooling device radiating unit
53 first cooling fan
200:power plant
201 Power motor
202 frequency conversion driver
300:power battery
400 vehicle interior space
AF1 Cooling air flow
AF2, AF3 Heat dissipating airflow
HC air conditioner heat exchanging area
Detailed Description
Referring to fig. 1, fig. 1 is a schematic diagram of an in-vehicle temperature control system according to a preferred embodiment of the utility model. As shown, an in-vehicle temperature control system 100 includes a first heat exchanger 1, a refrigeration cycle 2, an air conditioning apparatus 3, a second heat exchanger 4, and a remote cooling apparatus 5. The in-vehicle temperature control system 100 is applied to a vehicle (not shown), and in the present embodiment, the vehicle is an electric vehicle, which has a power device 200, a power battery 300 and an in-vehicle space 400, wherein the power device 200 further includes a power motor 201 and a variable frequency drive 202, and the power motor 201 is, for example, a motor.
The first heat exchanger 1 is thermally coupled to the power plant 200. The refrigeration cycle pipeline 2 passes through the first heat exchanger 1 and is filled with a first refrigerant; the refrigeration cycle 2 also passes through an air conditioning heat exchanger HC. In practice, the first refrigerant is, for example, 1, 2-tetrafluoroethane (R134A), but is not limited thereto.
The air conditioner 3 further includes an air conditioning circulation line 31, an indoor unit 32, and an outdoor unit 33. The air conditioning circulation line 31 is filled with a second refrigerant; wherein, the second refrigerant can also be 1, 2-tetrafluoroethane. The indoor unit 32 includes an evaporator 321 and a cooling fan 322. The evaporator 321 is provided for the air conditioning circulation line 31 to pass through, so that the second refrigerant absorbs heat and evaporates when passing through the evaporator 321, and the air around the evaporator 321 is cooled.
The cooling fan 322 is configured to provide a cooling air flow AF1 to the evaporator 321, so that the cooling air flow AF1 flows to the air-conditioning heat exchange area HC after being cooled by the evaporator 321, and thereby the refrigeration cycle 2 located in the air-conditioning heat exchange area HC is cooled.
The outdoor unit 33 includes a compressor 331, a condenser 332, an expansion valve 333, and a second cooling fan 334. The compressor 331 is provided for the air conditioning circulating line 31 to pass through, and is used for compressing the second refrigerant flowing out from the evaporator 321. The condenser 332 is provided for the air conditioning circulation line 31 to pass through, and is used for condensing the second refrigerant flowing out from the compressor 331. The expansion valve 333 is used for the air conditioning circulation pipeline 31 to pass through, and is used for decompressing and expanding the second refrigerant flowing out of the condenser 332 and then sending the second refrigerant back to the evaporator 321; accordingly, the second refrigerant filled in the air conditioning circulation line 31 can flow continuously through the refrigerating cycle among the evaporator 321, the compressor 331, the condenser 332 and the expansion valve 333, and the cooling air flow AF1 provided by the cooling fan 322 can be cooled by heat exchange with the evaporator 321, so that the refrigerating circulation line 2 located in the air conditioning heat exchange area HC is further cooled, and the first refrigerant filled in the refrigerating circulation line 2 is cooled to approach a set temperature.
As described above, the user can set the set temperature of the air conditioner 3 by himself, and in practice, a temperature sensor may be further provided in the air conditioner heat exchange area HC or the refrigeration cycle pipe 2 located in the air conditioner heat exchange area HC, so that the air conditioner 3 can determine whether to increase the cooling efficiency, for example, to increase the rotation speed of the cooling fan 322 or to increase the flow rate of the second refrigerant in the air conditioner cycle pipe 31, so that the temperature of the first refrigerant in the refrigeration cycle pipe 2 approaches the set temperature.
The second cooling fan 334 is configured to provide a cooling air flow AF2, so that the cooling air flow AF2 flows to the interior space 400 after being heated by the condenser 332, so as to raise the temperature of the interior space 400. In practical use, the outdoor unit 33 has a heat dissipation air outlet communicating with the interior space 400, the condenser 332 is disposed near the heat dissipation air outlet, and the second heat dissipation fan 334 is disposed at the other side of the condenser 332 opposite to the heat dissipation air outlet, so that the heat dissipation air flow AF2 provided by the second heat dissipation fan 334 passes through the condenser 332, exchanges heat with the condenser 332 to raise the temperature, and is discharged to the interior space 400 through the heat dissipation air outlet, thereby raising the temperature in the interior space 400.
In practical use, a user may set a temperature sensor in the interior space 400 and set a required temperature of the interior space 400 by himself, so that the air conditioner 3 controls the rotation speed of the second cooling fan 334 according to the interior temperature and the required temperature of the interior space 400, or sets a valve at the cooling air outlet to control the discharge amount of the cooling air flow AF2, thereby effectively controlling the interior temperature.
The second heat exchanger 4 is thermally coupled to a power cell 300, and the refrigeration cycle 2 passes through the second heat exchanger 4. In practice, the power battery 300 is electrically connected to the power device 200.
The remote cooling device 5 includes a cooling device heat exchanger 51, a cooling device heat dissipating unit 52, and a first heat dissipating fan 53. The cooling device heat exchanger 51 is used for the cooling circulation pipeline 2 to pass through, and the first refrigerant flowing out of the remote cooling device 5 flows through the air conditioner heat exchange area HC first and then flows to the first heat exchanger 1 and the second heat exchanger 4.
The cooling device heat dissipation unit 52 is arranged corresponding to the space in the vehicle, is communicated with the cooling device heat exchanger 51 through a pipeline, is filled with cooling liquid, can be used for heat exchange with the first refrigerant of the refrigeration cycle pipeline 2 at the cooling device heat exchanger 51, and dissipates heat through the cooling device heat dissipation unit 52, so that the heat transferred by the first refrigerant of the refrigeration cycle pipeline 2 is dissipated circularly; the cooling unit 52 is, for example, a water cooling tower, an air cooling radiator or other external coolers with cooling fins.
As described above, since the first heat exchanger 1 and the second heat exchanger 4 are disposed in parallel on the refrigeration cycle 2 in the present embodiment, the first refrigerant flowing out of the remote cooling device 5 is split into two parts after flowing through the air conditioning heat exchange area HC and flows to the first heat exchanger 1 and the second heat exchanger 4, respectively, so that the first refrigerant can exchange heat with the power unit 200 and the power battery 300 through the first heat exchanger 1 and the second heat exchanger 4, respectively, and the power unit 200 and the power battery 300 are cooled due to the cooling of the first refrigerant.
The first cooling fan 53 is configured to provide a cooling air flow AF3, so that the cooling air flow AF3 flows to the interior space 400 after being heated by the cooling unit 52, so as to raise the temperature of the interior space 400. In practical use, the remote cooling device 5 has a heat dissipation air outlet communicated with the interior space 400, the cooling device heat dissipation unit 52 is disposed near the heat dissipation air outlet, and the first heat dissipation fan 53 is disposed at the other side of the cooling device heat dissipation unit 52 opposite to the heat dissipation air outlet, so that the heat dissipation air flow AF3 provided by the first heat dissipation fan 53 passes through the cooling device heat dissipation unit 52 to heat up, and then is discharged to the interior space 400 through the heat dissipation air outlet after heat exchange with the cooling device heat dissipation unit 52, thereby raising the temperature in the interior space 400.
In summary, compared with the electric vehicle in the prior art, when the electric vehicle is in a high-latitude area, the air conditioning equipment is required to provide cool air for the electric equipment and also is required to provide warm air for the space in the vehicle, so that the energy consumption is increased and the service life and the service time of the battery are affected.
The detailed description of the preferred embodiments is intended to more clearly describe the features and spirit of the utility model and is not intended to limit the scope of the utility model by the preferred embodiments disclosed above. On the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the scope of the utility model as defined by the appended claims.
Claims (5)
1. An in-vehicle temperature control system, characterized by being applied to a vehicle having a power device and an in-vehicle space, and comprising:
a first heat exchanger thermally coupled to the power plant;
a refrigeration cycle line passing through the first heat exchanger and filled with a first refrigerant, and passing through an air-conditioning heat exchange area;
an air conditioner for cooling the refrigeration cycle pipeline in the air conditioner heat exchange area according to the set temperature; and
a remote cooling device comprising:
a cooling device heat exchanger for the refrigerating cycle pipeline to pass through, and the first refrigerant flowing out of the remote cooling device flows through the air conditioner heat exchange area and the first heat exchanger in sequence;
a cooling device heat radiation unit which is arranged corresponding to the vehicle interior space and is communicated with the cooling device heat exchanger; and
and the cooling fan is used for providing cooling air flow, and after the cooling air flow is heated by the cooling unit of the cooling device, the cooling air flow flows to the vehicle interior space so as to raise the temperature of the vehicle interior space.
2. The in-vehicle temperature control system according to claim 1, wherein the air conditioning device further comprises:
an air conditioner circulation line filled with a second refrigerant;
an indoor unit comprising:
the evaporator is used for the air conditioner circulating pipeline to pass through, so that the second refrigerant absorbs heat and evaporates when passing through the evaporator; and
a cooling fan for providing a cooling air flow, and enabling the cooling air flow to the air-conditioning heat exchange area after passing through the evaporator for cooling, thereby enabling the first refrigerant in the refrigeration cycle pipeline to be cooled to approach the set temperature; and
and the outdoor unit is used for the air conditioner circulating pipeline to pass through and is used for compressing, condensing and expanding the second refrigerant flowing out of the evaporator and then sending the second refrigerant back to the evaporator.
3. The in-vehicle temperature control system according to claim 2, wherein the outdoor unit includes:
the compressor is used for the air conditioner circulation pipeline to pass through;
the condenser is used for the air conditioner circulating pipeline to pass through; and
and the expansion valve is used for the air conditioner circulating pipeline to pass through.
4. The system according to claim 3, wherein the outdoor unit is disposed corresponding to the air-conditioning heat exchange area, and the outdoor unit further comprises a heat dissipation fan for providing a heat dissipation air flow, and the heat dissipation air flow is heated by the condenser and flows to the interior space to raise the temperature of the interior space.
5. The in-vehicle temperature control system of claim 1, further comprising a second heat exchanger thermally coupled to the power cell, wherein the refrigeration cycle passes through the second heat exchanger, and wherein at least a portion of the first refrigerant exiting the remote cooling device flows through the air conditioning heat exchange area and the second heat exchanger in sequence.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW112201796U TWM642554U (en) | 2023-03-02 | 2023-03-02 | Vehicle interior temperature control system |
| TW112201796 | 2023-03-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219487114U true CN219487114U (en) | 2023-08-08 |
Family
ID=87504068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320607618.9U Active CN219487114U (en) | 2023-03-02 | 2023-03-24 | In-vehicle temperature control system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN219487114U (en) |
| TW (1) | TWM642554U (en) |
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2023
- 2023-03-02 TW TW112201796U patent/TWM642554U/en unknown
- 2023-03-24 CN CN202320607618.9U patent/CN219487114U/en active Active
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| Publication number | Publication date |
|---|---|
| TWM642554U (en) | 2023-06-11 |
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