CN220527029U - Battery temperature control circulating system based on carbon dioxide air conditioner and electric automobile - Google Patents
Battery temperature control circulating system based on carbon dioxide air conditioner and electric automobile Download PDFInfo
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- CN220527029U CN220527029U CN202322074865.XU CN202322074865U CN220527029U CN 220527029 U CN220527029 U CN 220527029U CN 202322074865 U CN202322074865 U CN 202322074865U CN 220527029 U CN220527029 U CN 220527029U
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- heat exchanger
- battery
- carbon dioxide
- liquid
- air conditioner
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 128
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 65
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 65
- 239000007788 liquid Substances 0.000 claims abstract description 49
- 230000001105 regulatory effect Effects 0.000 claims abstract description 18
- 230000001276 controlling effect Effects 0.000 claims abstract description 8
- 230000001502 supplementing effect Effects 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000004378 air conditioning Methods 0.000 claims description 2
- 230000008859 change Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 22
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000014509 gene expression Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Air-Conditioning For Vehicles (AREA)
Abstract
The utility model discloses a battery temperature control circulating system based on a carbon dioxide air conditioner and an electric automobile, comprising: the liquid outlet of the battery heat exchanger, the battery temperature regulating pipe, the liquid pump and the liquid inlet of the battery heat exchanger are sequentially connected through pipelines to form a closed loop circulation pipeline; the battery heat exchanger is connected into a circulating system of the carbon dioxide air conditioner and is used for regulating and controlling the temperature of liquid flowing in the closed-loop circulating pipeline by using the carbon dioxide air conditioner; the battery temperature regulating tube is connected with the battery pack and used for regulating and controlling the temperature of the battery pack; the liquid pump is used for providing power for liquid flowing in the closed loop circulation pipeline. According to the utility model, the circulating system of the carbon dioxide air conditioner is utilized to regulate and control the temperature of the liquid in the closed-loop circulating pipeline, so that the temperature control management of the battery is realized, the temperature balance of the battery is maintained, the thermal runaway danger of the battery is eliminated, and the whole vehicle performance of the electric automobile is improved.
Description
Technical Field
The utility model particularly relates to a battery temperature control circulating system based on a carbon dioxide air conditioner and an electric automobile.
Background
With the improvement of environmental protection consciousness, new energy vehicles are rapidly developed, and the new energy vehicles have special advantages in the aspects of energy utilization rate and environmental protection. The electric automobile takes the power battery as a power source, the power battery is one of key components of the electric automobile, and the temperature has very obvious influence on the overall performance and the service life of the battery. The working temperature of the battery is 25-35 ℃ which is the optimal life cycle temperature of the battery pack, and in order to prolong the service life of the power battery, improve the chemical performance and energy efficiency of the battery and prolong the endurance mileage of the vehicle, the battery cooling management system needs to be reasonably matched. The battery is cooled under the high temperature condition, and is heated under the low temperature condition, so that the temperature balance of the battery is kept, the thermal runaway danger of the battery is eliminated, and the whole vehicle performance of the electric automobile is improved.
However, the existing carbon dioxide electric air conditioner cooling device can only provide cooling and heating environments for the electric automobile, the requirement on battery cooling is not considered, if an independent battery cooling device is adopted, the investment cost of the automobile is required to be increased, and the running cost is also increased.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a battery temperature control circulating system based on a carbon dioxide air conditioner and an electric automobile.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
in one aspect, the utility model discloses a battery temperature control circulation system based on a carbon dioxide air conditioner, comprising: the liquid outlet of the battery heat exchanger, the battery temperature regulating pipe, the liquid pump and the liquid inlet of the battery heat exchanger are sequentially connected through pipelines to form a closed loop circulation pipeline;
the battery heat exchanger is connected into a circulating system of the carbon dioxide air conditioner and is used for regulating and controlling the temperature of liquid flowing in the closed-loop circulating pipeline by using the carbon dioxide air conditioner;
the battery temperature regulating tube is connected with the battery pack and used for regulating and controlling the temperature of the battery pack;
the liquid pump is used for providing power for liquid flowing in the closed loop circulation pipeline.
The utility model discloses a battery temperature control circulating system, which utilizes a circulating system of a carbon dioxide air conditioner to regulate and control the temperature of liquid in a closed loop circulating pipeline, thereby realizing the temperature control management of a battery. The utility model has low cost, can be modified on the basis of the original carbon dioxide air conditioner, can effectively control the temperature of the battery, keeps the temperature balance of the battery, eliminates the thermal runaway danger of the battery and improves the whole vehicle performance of the electric vehicle.
On the basis of the technical scheme, the following improvement can be made:
as a preferred solution, a liquid heater is further installed on the closed loop circulation line, and the liquid heater is used for heating the liquid flowing in the closed loop circulation line.
By adopting the preferable scheme, when the temperature is low, the temperature of the battery pack can be quickly raised, so that the battery pack is controlled at the preset working temperature.
As an optimal scheme, the closed loop circulation pipeline is also connected with a liquid supplementing pipe and a liquid discharging pipe respectively;
the liquid supplementing pipe is used for supplementing liquid in the closed loop circulation pipeline;
the liquid discharge pipe is used for discharging liquid in the closed loop circulation pipeline.
By adopting the preferable scheme, the liquid quantity in the closed loop circulation pipeline can be controlled.
Preferably, a stop valve is also arranged on the closed loop circulation pipeline.
By adopting the preferable scheme, the flow of the liquid in the closed loop circulation pipeline can be controlled.
As a preferred embodiment, the circulation system of the carbon dioxide air conditioner includes: a carbon dioxide air conditioner compressor, an outdoor heat exchanger and an indoor heat exchanger;
the air outlet of the carbon dioxide air conditioner compressor is respectively connected with the air inlet of the outdoor heat exchanger and the air inlet of the indoor heat exchanger through a pipeline provided with a first electromagnetic three-way valve;
the air outlet of the indoor heat exchanger is connected with the air inlet of the carbon dioxide air conditioner compressor through a pipeline provided with a second electromagnetic three-way valve;
the air outlet of the outdoor heat exchanger is connected with the air inlet of the carbon dioxide air conditioner compressor through a pipeline provided with a second electromagnetic three-way valve, and meanwhile, the air outlet of the outdoor heat exchanger is also connected with the air inlet of the battery heat exchanger through a pipeline provided with a first electronic expansion valve, and the air outlet of the battery heat exchanger is connected with the air inlet of the carbon dioxide air conditioner compressor through a pipeline.
By adopting the preferable scheme, the heat exchange is realized by using the battery heat exchanger on the basis of the carbon dioxide air conditioner.
As a preferable scheme, the pipeline connected with the air outlet of the indoor heat exchanger is also connected with the pipeline connected with the air outlet of the outdoor heat exchanger through an intermediate heat exchanger.
By adopting the preferable scheme, the heat exchange between the indoor and the outdoor is further enhanced by the intermediate heat exchanger.
As a preferable scheme, a drying filter is also arranged on a pipeline connecting the air outlet of the outdoor heat exchanger and the air inlet of the battery heat exchanger.
By adopting the preferable scheme, the carbon dioxide is dried and filtered by the drying filter, so that the carbon dioxide entering from the air inlet of the battery heat exchanger is clean and dry.
As a preferable scheme, a gas-liquid separator is also arranged on a pipeline connected with the air inlet of the carbon dioxide air conditioner compressor.
By adopting the preferable scheme, the gas-liquid separator is utilized to carry out gas-liquid separation on the reflowed carbon dioxide, so that the carbon dioxide entering from the air inlet of the carbon dioxide air conditioner compressor is ensured to be free from impurities.
The air outlet of the outdoor heat exchanger is also connected with the air inlet of the outdoor heat exchanger and the air inlet of the outdoor heat exchanger respectively through a pipeline provided with a second electronic expansion valve.
By adopting the preferable scheme, the recycling of the carbon dioxide is realized.
In addition, on the other hand, the utility model also discloses an electric automobile, which comprises any battery temperature control circulating system based on the carbon dioxide air conditioner.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a battery temperature control circulation system according to an embodiment of the present utility model.
Fig. 2 is a schematic structural diagram of a circulation system of a carbon dioxide air conditioner according to an embodiment of the present utility model.
Wherein: 1-battery heat exchanger, 2-battery temperature regulating pipe, 3-water pump, 4-PTC liquid heater, 5-moisturizing pipe, 6-drain pipe, 7-expansion tank, 8-overflow pipe, 9-blast pipe, 10-drain valve, 11-stop valve, 12-carbon dioxide air conditioner compressor, 13-outdoor heat exchanger, 14-indoor heat exchanger, 151-first electromagnetic three-way valve, 152-second electromagnetic three-way valve, 161-first electronic expansion valve, 162-second electronic expansion valve, 17-intermediate heat exchanger, 18-dry filter, 19-gas-liquid separator.
Detailed Description
Preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Meanwhile, the expressions "first", "second", etc. are used only for the purpose of distinguishing a plurality of configurations, and do not limit the order between configurations or other features.
In addition, the expression "comprising" an element is an "open" expression which merely means that the corresponding component is present and should not be interpreted as excluding the additional component.
In order to achieve the object of the present utility model, in some embodiments of a battery temperature control cycle system based on a carbon dioxide air conditioner and an electric vehicle, as shown in fig. 1, the battery temperature control cycle system includes: the water outlet of the battery heat exchanger 1, the battery temperature regulating pipe 2, the water pump 3 and the water inlet of the battery heat exchanger 1 are sequentially connected through pipelines to form a closed loop circulation pipeline, wherein the arrow-to-arrow direction is the water flow direction.
The battery heat exchanger 1 is connected into a circulating system of the carbon dioxide air conditioner and is used for regulating and controlling the temperature of water flowing in a closed-loop circulating pipeline by using the carbon dioxide air conditioner;
the battery temperature regulating tube 2 is connected with the battery pack and is used for regulating and controlling the temperature of the battery pack;
the water pump 3 is used to power the water flowing in the closed loop circulation line.
Wherein: the battery heat exchanger 1 is a plate heat exchanger.
The utility model discloses a battery temperature control circulating system, which utilizes a circulating system of a carbon dioxide air conditioner to regulate and control the temperature of water in a closed loop circulating pipeline, thereby realizing the temperature control management of a battery. The utility model has low cost, can be modified on the basis of the original carbon dioxide air conditioner, can effectively control the temperature of the battery, keeps the temperature balance of the battery, eliminates the thermal runaway danger of the battery and improves the whole vehicle performance of the electric vehicle.
In order to further optimize the effect of the present utility model, in other embodiments, the other features are the same, except that a PTC liquid heater 4 is further installed on the pipe of the closed loop circulation pipe, and the PTC liquid heater 4 is used to heat the water flowing in the closed loop circulation pipe.
By adopting the preferable scheme, when the temperature is low, the temperature of the battery pack can be quickly raised, so that the battery pack is controlled at the preset working temperature.
Further, a temperature sensor is also installed on the closed loop circulation pipeline, and the temperature sensor is used for monitoring the temperature of water in the closed loop circulation pipeline and sending the temperature to a control system, and the control system controls the carbon dioxide air conditioning device and the PTC liquid heater 4.
In order to further optimize the implementation effect of the utility model, in other embodiments, the rest of the characteristic techniques are the same, except that the closed loop circulation line is also connected with the water replenishing pipe 5 and the water discharging pipe 6, respectively;
the water supplementing pipe 5 is used for supplementing water in the closed loop circulation pipeline;
the drain pipe 6 is used for draining water in the closed loop circulation pipeline.
By adopting the preferable scheme, the water quantity in the closed loop circulation pipeline can be controlled. Further, the water replenishing pipe 5 is installed on the pipe line before the water pump 3, and the water replenishing pipe 5 is connected with the expansion tank 7, and the expansion tank 7 is also connected with the overflow pipe 8 and the exhaust pipe 9, respectively.
Further, a drain pipe 6 is attached to the pipe line before the battery temperature control pipe 2, and a drain valve 10 is attached to the drain pipe 6.
In order to further optimize the implementation of the utility model, in other embodiments the remaining feature techniques are the same, except that a shut-off valve 11 is also installed on the closed loop circulation line.
By adopting the preferable scheme, the flow of water in the closed loop circulation pipeline can be controlled.
In order to further optimize the implementation effect of the present utility model, in other embodiments, the remaining feature technologies are the same, except that, as shown in fig. 2, a circulation system of the carbon dioxide air conditioner includes: a carbon dioxide air conditioner compressor 12, an outdoor heat exchanger 13 and an indoor heat exchanger 14, wherein arrowsThe direction is the flow direction of the carbon dioxide;
the air outlet of the carbon dioxide air conditioner compressor 12 is respectively connected with the air inlet of the outdoor heat exchanger 13 and the air inlet of the indoor heat exchanger 14 through a pipeline provided with a first electromagnetic three-way valve 151;
the air outlet of the indoor heat exchanger 14 is connected with the air inlet of the carbon dioxide air conditioner compressor 12 through a pipeline provided with a second electromagnetic three-way valve 152;
the air outlet of the outdoor heat exchanger 13 is connected with the air inlet of the carbon dioxide air conditioner compressor 12 through a pipeline provided with a second electromagnetic three-way valve 152, and meanwhile, the air outlet of the outdoor heat exchanger is also connected with the air inlet of the battery heat exchanger 1 through a pipeline provided with a first electronic expansion valve 161, and the air outlet of the battery heat exchanger 1 is connected with the air inlet of the carbon dioxide air conditioner compressor 12 through a pipeline.
By adopting the preferable scheme, the circulating system of the carbon dioxide air conditioner is modified, and the heat exchange is realized by using the battery heat exchanger 1 on the basis of the carbon dioxide air conditioner.
By adopting the first electronic expansion valve 161, the refrigerating capacity can be accurately regulated according to the load change of the battery, constant control of the water temperature is realized, and the battery is always at the optimal working temperature.
In order to further optimize the effect of the present utility model, in other embodiments, the remaining feature techniques are the same, except that the piping connected to the air outlet of the indoor heat exchanger 14 and the piping connected to the air outlet of the outdoor heat exchanger 13 are also connected by an intermediate heat exchanger 17.
With the above preferred embodiment, the heat exchange between the indoor and outdoor is further enhanced by the intermediate heat exchanger 17. The intermediate heat exchanger 17 may be a plate heat exchanger.
In order to further optimize the effect of the present utility model, in other embodiments, the remaining feature techniques are the same, except that a dry filter 18 is further installed on a pipe connecting the air outlet of the outdoor heat exchanger 13 with the air inlet of the battery heat exchanger 1.
With the above preferred solution, the carbon dioxide is dried and filtered by the drying filter 18, so that the carbon dioxide entering from the air inlet of the battery heat exchanger 1 is ensured to be clean and dry.
In order to further optimize the effect of the present utility model, in other embodiments, the remaining feature techniques are the same, except that a gas-liquid separator 19 is also installed on the line connected to the gas inlet of the carbon dioxide air conditioner compressor 12.
By adopting the preferable scheme, the gas-liquid separator 19 is utilized to carry out gas-liquid separation on the reflowed carbon dioxide, so that the carbon dioxide entering from the air inlet of the carbon dioxide air conditioner compressor 12 is ensured to be free from impurities.
In order to further optimize the implementation effect of the present utility model, in other embodiments, the remaining feature techniques are the same, except that the air outlet of the outdoor heat exchanger 13 is also connected to the air inlet of the outdoor heat exchanger 13 and the air inlet of the outdoor heat exchanger 13 through a pipe in which the second electronic expansion valve 162 is installed, respectively.
By adopting the preferable scheme, the recycling of the carbon dioxide is realized.
In addition, the embodiment of the utility model also discloses an electric automobile, which comprises the battery temperature control circulating system based on the carbon dioxide air conditioner disclosed in any embodiment.
In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
While the basic principles and main features of the present utility model and advantages of the present utility model have been shown and described, it will be understood by those skilled in the art that the present utility model is not limited by the foregoing embodiments, which are described in the foregoing specification merely illustrate the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined in the appended claims and their equivalents.
The control mode of the utility model is controlled by manually starting and closing the switch, the wiring diagram of the power element and the supply of the power supply are common knowledge in the field, and the utility model is mainly used for protecting the mechanical device, so the utility model does not explain the control mode and the wiring arrangement in detail.
Claims (10)
1. Carbon dioxide air conditioner based battery control by temperature change circulation system, its characterized in that includes: the liquid outlet of the battery heat exchanger, the battery temperature regulating pipe, the liquid pump and the liquid inlet of the battery heat exchanger are sequentially connected through pipelines to form a closed loop circulation pipeline;
the battery heat exchanger is connected into a circulating system of the carbon dioxide air conditioner and is used for regulating and controlling the temperature of liquid flowing in the closed-loop circulating pipeline by using the carbon dioxide air conditioner;
the battery temperature regulating tube is connected with the battery pack and is used for regulating and controlling the temperature of the battery pack;
the liquid pump is used for providing power for liquid flowing in the closed loop circulation pipeline.
2. The battery temperature-controlled circulation system according to claim 1, wherein a liquid heater for heating the liquid flowing in the closed-loop circulation line is further installed on the line of the closed-loop circulation line.
3. The battery temperature-control circulation system according to claim 1, wherein the closed-loop circulation line is further connected to a liquid-replenishing pipe and a liquid-discharging pipe, respectively;
the liquid supplementing pipe is used for supplementing liquid in the closed loop circulation pipeline;
the liquid discharge pipe is used for discharging liquid in the closed loop circulation pipeline.
4. The battery temperature-control circulation system according to claim 1, wherein a shut-off valve is further installed on the closed-loop circulation line.
5. The battery temperature control circulation system according to any one of claims 1 to 4, wherein the circulation system of the carbon dioxide air conditioning device includes: a carbon dioxide air conditioner compressor, an outdoor heat exchanger and an indoor heat exchanger;
the air outlet of the carbon dioxide air conditioner compressor is connected with the air inlet of the outdoor heat exchanger and the air inlet of the indoor heat exchanger respectively through a pipeline provided with a first electromagnetic three-way valve;
the air outlet of the indoor heat exchanger is connected with the air inlet of the carbon dioxide air conditioner compressor through a pipeline provided with a second electromagnetic three-way valve;
the air outlet of the outdoor heat exchanger is connected with the air inlet of the carbon dioxide air conditioner compressor through a pipeline provided with a second electromagnetic three-way valve, and meanwhile, the air outlet of the outdoor heat exchanger is also connected with the air inlet of the battery heat exchanger through a pipeline provided with a first electronic expansion valve, and the air outlet of the battery heat exchanger is connected with the air inlet of the carbon dioxide air conditioner compressor through a pipeline.
6. The battery temperature control circulation system according to claim 5, wherein the pipe connected to the air outlet of the indoor heat exchanger and the pipe connected to the air outlet of the outdoor heat exchanger are further connected by an intermediate heat exchanger.
7. The battery temperature control circulation system of claim 5, wherein a dry filter is further installed on a pipe connecting the air outlet of the outdoor heat exchanger and the air inlet of the battery heat exchanger.
8. The battery temperature control circulation system according to claim 5, wherein a gas-liquid separator is further installed on a pipe connected to the gas inlet of the carbon dioxide air conditioner compressor.
9. The battery temperature control circulation system according to claim 5, wherein the air outlet of the outdoor heat exchanger is further connected to the air inlet of the outdoor heat exchanger and the air inlet of the outdoor heat exchanger, respectively, through a pipe provided with a second electronic expansion valve.
10. An electric vehicle comprising a battery temperature control cycle system based on a carbon dioxide air conditioner according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322074865.XU CN220527029U (en) | 2023-08-03 | 2023-08-03 | Battery temperature control circulating system based on carbon dioxide air conditioner and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322074865.XU CN220527029U (en) | 2023-08-03 | 2023-08-03 | Battery temperature control circulating system based on carbon dioxide air conditioner and electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220527029U true CN220527029U (en) | 2024-02-23 |
Family
ID=89934537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322074865.XU Active CN220527029U (en) | 2023-08-03 | 2023-08-03 | Battery temperature control circulating system based on carbon dioxide air conditioner and electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220527029U (en) |
-
2023
- 2023-08-03 CN CN202322074865.XU patent/CN220527029U/en active Active
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