CN218839122U - Automobile heat management system - Google Patents
Automobile heat management system Download PDFInfo
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- CN218839122U CN218839122U CN202320144497.9U CN202320144497U CN218839122U CN 218839122 U CN218839122 U CN 218839122U CN 202320144497 U CN202320144497 U CN 202320144497U CN 218839122 U CN218839122 U CN 218839122U
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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
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The application provides an automobile thermal management system which comprises a gas-liquid separator, a compressor, a first heat exchange unit and a second heat exchange unit; the output end of the compressor is connected with a valve bank; the first heat exchange unit is arranged between the first output end of the valve bank and the input end of the battery heat exchanger and comprises a first condenser and a fifth valve body which are sequentially connected in series; when the first condenser is working, the first condenser is used for releasing heat to the cabin environment to warm the cabin; the second heat exchange unit is arranged between the second output end of the valve bank and the input end of the gas-liquid separator, and comprises a second condenser, a third valve body and an evaporator which are sequentially connected in series; when the evaporator works, the evaporator is used for absorbing the heat of the cabin environment to cool the cabin; the output end of the first condenser is also connected with the input end of the gas-liquid separator through a seventh valve body; the output end of the second condenser is also connected with the input end of the battery heat exchanger through a fourth valve body. The system has the advantages of low energy consumption, high efficiency, simple integration and low cost, and can support various thermal management modes.
Description
Technical Field
The present disclosure relates generally to thermal management systems, and more particularly to automotive thermal management systems.
Background
The automobile thermal management system is from the system integration perspective, so that: the heat among the motor, the battery, the passenger cabin and the ambient air is effectively transferred by three media of cooling liquid, a refrigerant and air through the heat exchanger, so that the energy utilization rate is increased, and the energy consumption is reduced.
The heat management system is comparatively complicated among the prior art, is applicable to the split type scheme of arranging of spare part more, and spare part is in large quantity, and the management and control degree of difficulty is big, and adopts indirect mode more to battery package heating or cooling process, needs refrigerant and coolant liquid to carry out the heat exchange, heats or cools down the battery by the coolant liquid again for the energy consumption is higher.
Disclosure of Invention
In view of the above-mentioned drawbacks and deficiencies of the prior art, it would be desirable to provide an automotive thermal management system that addresses the above-mentioned technical problems.
The application provides an automotive thermal management system, includes:
a gas-liquid separator;
the output end of the battery heat exchanger is connected with the input end of the gas-liquid separator;
the input end of the compressor is connected with the output end of the gas-liquid separator; the output end of the compressor is connected with a valve bank, and the valve bank at least has an input end, a first output end and a second output end;
the first heat exchange unit is arranged between the first output end of the valve bank and the input end of the battery heat exchanger, and comprises a first condenser and a fifth valve body which are sequentially connected in series; when the first condenser is working, the first condenser is used for releasing heat to the cabin environment so as to warm the cabin;
the second heat exchange unit is arranged between the second output end of the valve bank and the input end of the gas-liquid separator, and comprises a second condenser, a third valve body and an evaporator which are sequentially connected in series; when the evaporator works, the evaporator is used for absorbing the heat of the cabin environment so as to cool the cabin;
the output end of the first condenser is also connected with the input end of the gas-liquid separator through a seventh valve body; the output end of the second condenser is also connected with the input end of the battery heat exchanger through a fourth valve body.
According to the technical scheme provided by the embodiment of the application, the valve group comprises a first valve body and a second valve body;
the input end of the first valve body is connected with the output end of the compressor, and the output end of the first valve body is connected with the input end of the first condenser;
the input end of the second valve body is connected with the output end of the compressor, and the output end of the second valve body is connected with the input end of the second condenser.
According to the technical scheme provided by the embodiment of the application, a first output unit is arranged between the output end of the battery heat exchanger and the input end of the gas-liquid separator;
the first output unit comprises a sixth valve body and an electrically-driven heat exchanger; the input end of the sixth valve body is connected with the output end of the battery heat exchanger, and the output end of the sixth valve body is connected with the medium input end of the heat exchanger; the medium output end of the electrically-driven heat exchanger is connected with the input end of the gas-liquid separator, and an electrically-driven loop is connected between the heat exchange input end and the heat exchange output end of the electrically-driven heat exchanger; and the output end of the seventh valve body is connected with the input end of the gas-liquid separator through the electrically-driven heat exchanger.
According to the technical scheme provided by the embodiment of the application, a second output unit is further arranged between the output end of the battery heat exchanger and the input end of the gas-liquid separator;
the second output unit includes a ninth valve body; the input end of the ninth valve body is connected with the output end of the battery heat exchanger, and the output end of the ninth valve body is connected with the input end of the gas-liquid separator.
According to the technical scheme provided by the embodiment of the application, the electric drive loop comprises a fan radiator, a three-way valve, an electronic water pump and an electric drive assembly;
the first end of the three-way valve is connected with the output end of the fan radiator, and the input end of the fan radiator is connected with the heat exchange output end of the electrically-driven heat exchanger;
the second end of the three-way valve is connected with the heat exchange output end of the electrically-driven heat exchanger;
the third end of three-way valve with electronic water pump's input is connected, electronic water pump's output with the input of electricity drives the assembly and is connected, the output that drives the assembly with the heat transfer input of electricity heat exchanger drives.
According to the technical scheme that this application embodiment provided, the input of electronic pump is connected with the kettle that impounds.
According to the technical scheme provided by the embodiment of the application, the water temperature sensor is installed at the output end of the electric drive assembly.
According to the technical scheme provided by the embodiment of the application, an eighth valve body is arranged between the output end of the compressor and the input end of the gas-liquid separator.
According to the technical scheme provided by the embodiment of the application, the first pressure sensor is installed at the output end of the compressor
According to the technical scheme that this application embodiment provided, second pressure sensor is installed to battery heat exchanger's input, temperature sensor is installed to battery heat exchanger's output.
The beneficial effect of this application lies in: the automobile heat management system can realize direct refrigeration or heating of the battery pack, and is low in energy consumption and high in efficiency; the multifunctional intelligent heat management system can support various heat management modes, can realize working modes such as simultaneous heating or heating of the battery and the cabin, independent cooling or heating of the battery, independent cooling or heating of the cabin, cooling of the battery and heating of the cabin and the like by controlling the opening and closing of different valve bodies, meets the use requirements of users in different application scenes, is simple in integration of parts of the system structure, convenient to produce and manufacture, beneficial to reducing cost and convenient to develop and use projects.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of an automotive thermal management system according to the present application.
The reference numbers in the figures:
10. a gas-liquid separator; 20. a battery heat exchanger; 30. a compressor; 40. a first condenser; 50. a second condenser; 60. an evaporator; 70. an electrically driven heat exchanger; 81. a fan radiator; 82. a three-way valve 83 and an electronic water pump; 84. an electric drive assembly; 85. a water storage pot; 86. a water temperature sensor.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Please refer to fig. 1, which is a schematic diagram of a thermal management system for an automobile according to the present application, including:
a gas-liquid separator 10;
the output end of the battery heat exchanger 20 is connected with the input end of the gas-liquid separator 10;
the input end of the compressor 30 is connected with the output end of the gas-liquid separator 10; the output end of the compressor 30 is connected with a valve set, and the valve set at least has an input end, a first output end and a second output end;
the first heat exchange unit is arranged between the first output end of the valve bank and the input end of the battery heat exchanger 20, and comprises a first condenser 40 and a fifth valve body EXV-5 which are sequentially connected in series; for releasing heat to the cabin environment when said first condenser 40 is active, to warm the cabin;
the second heat exchange unit is arranged between the second output end of the valve bank and the input end of the gas-liquid separator 10, and comprises a second condenser 50, a third valve body EXV-3 and an evaporator 60 which are sequentially connected in series; when the evaporator 60 is in operation, it is used to absorb heat from the cabin environment to cool the cabin;
the output end of the first condenser 40 is further connected with the input end of the gas-liquid separator 10 through a seventh valve body EXV-7; the output end of the second condenser 50 is also connected to the input end of the battery heat exchanger 20 via a fourth valve body EXV-4.
Specifically, the compressor 30 is an electric compressor;
specifically, the first condenser 40 is an internal condenser; the second condenser 50 is an air condenser; the battery heat exchanger 20 is a battery direct-heating direct-cooling plate; the output end of the fourth valve body EXV-4 is connected to the direct cooling plate of the battery heat exchanger 20, and the output end of the fifth valve body EXV-5 is connected to the direct heating plate of the battery heat exchanger 20.
Specifically, the automobile thermal management system further comprises a connecting pipeline so as to realize connection between the devices.
In this embodiment, the power of the first condenser and the second condenser and the model number of each valve body can be set according to actual requirements; preferably, the temperature of the medium output from the output of the first condenser 40 is higher than the temperature of the second condenser 50, for example:
the temperature of the medium output by the output end of the first condenser 40 is lower than the first temperature, so that the medium output by the first condenser can cool the battery heat exchanger 20, and the battery pack is cooled;
the temperature of the medium output by the output end of the second condenser 50 is higher than the second temperature, so that the output medium can heat the battery heat exchanger 20, and the battery pack is heated.
The first temperature and the second temperature are set according to actual requirements, for example, the first temperature is summer temperature, and the second temperature is winter temperature.
In some embodiments, the valve block comprises a first valve body EXV-1, a second valve body EXV-2;
the input end of the first valve body EXV-1 is connected to the output end of the compressor 30, and the output end of the first valve body 1 is connected to the input end of the first condenser 40;
an input end of the second valve body EXV-2 is connected to an output end of the compressor 30, and an output end of the second valve body EXV-2 is connected to an input end of the second condenser 50.
In some embodiments, a first pressure sensor is mounted at the output of the compressor 30.
In some embodiments, a second pressure sensor is mounted at the input of the battery heat exchanger 20 and a temperature sensor is mounted at the output of the battery heat exchanger 20.
In some embodiments, an eighth valve EXV-8 is disposed between the output of the compressor 30 and the input of the gas-liquid separator 10.
The working principle is as follows:
the working principle of the simultaneous heating mode of the battery and the cabin is as follows:
opening a first valve body EXV-1 and a fifth valve body EXV-5; the medium output from the compressor 30 at this time enters the first condenser 40; the first condenser 40 releases heat to the outside in the condensation process, and exchanges heat with the cabin environment to heat the cabin; meanwhile, the residual heat of the medium at the output end of the first condenser 40 enters the battery heat exchanger 20 through a fifth valve body EXV-5, so that the heating of the battery pack is realized; finally the medium is returned to the gas-liquid separator 10 via the battery heat exchanger 20. Thereby achieving a simultaneous battery and cabin heating mode.
The working principle of the battery and cabin simultaneous cooling mode is as follows:
opening a second valve body EXV-2, a third valve body EXV-3 and a fourth valve body EXV-4; the medium output by the compressor 30 enters the second condenser 50; the second condenser 50 condenses the medium, absorbs heat outwards through the evaporation process of the evaporator 60, and exchanges heat with the cabin environment to refrigerate the cabin; meanwhile, the medium condensed by the second condenser 20 enters the battery heat exchanger 20 through a fourth valve body EXV-4, so that the battery pack is refrigerated; finally the medium is returned to the gas-liquid separator 10 via the battery heat exchanger 20. Thereby achieving a simultaneous cooling mode of the battery and the cabin.
The working principle of the cabin single heating mode is as follows:
opening a first valve body EXV-1 and a seventh valve body EXV-7; at this time, the medium output by the compressor 30 enters the first condenser 40, and the first condenser 40 releases heat to the outside in the condensation process, and exchanges heat with the cabin environment to heat the cabin; the medium output from the output end of the first condenser 40 is returned to the gas-liquid separator 10. Thereby achieving a cabin individual heating mode.
The working principle of the cabin single refrigeration mode is as follows:
opening a second valve body EXV-2 and a third valve body EXV-3; the medium output by the compressor 30 at this time enters the second condenser 50; the second condenser 50 condenses the medium, absorbs heat to the outside through the evaporation process of the evaporator 60, and exchanges heat with the cabin environment, so that the cabin is cooled independently.
The working principle of the battery single heating mode is as follows:
and opening the first valve body EXV-1 and the fifth valve body EXV-5, and enabling the medium to enter the battery heat exchanger 20 through the fifth valve body EXV-5 at the output end of the first condenser 40 to realize heating of the battery pack.
The working principle of the battery independent refrigeration mode is as follows:
opening a second valve body EXV-2 and a fourth valve body EXV-4; the medium condensed by the second condenser 20 enters the battery heat exchanger 20 through a fourth valve body EXV-4, so that the battery pack is refrigerated;
in addition, although both the first condenser 40 and the second condenser 50 perform the condensation process, the output media have different temperatures, so that the battery pack can be cooled and heated respectively.
The working principle of the battery refrigeration and cabin heating mode is as follows:
opening a first valve body EXV-1, a second valve body EXV-2, a fourth valve body EXV-4 and a seventh valve body EXV-7; the medium condensed by the second condenser 20 enters the battery heat exchanger 20 through a fourth valve body EXV-4, so that the battery pack is refrigerated; meanwhile, the medium output by the compressor 30 enters the first condenser 40; the first condenser 40 releases heat to the outside in the condensation process, and exchanges heat with the cabin environment to heat the cabin; thereby realizing battery refrigeration and cabin heating.
Through the mode analysis, the automobile heat management system can realize direct refrigeration or heating of the battery pack, and is low in energy consumption and high in efficiency. Multiple thermal management modes may be supported to accommodate different user needs. The system has simple structure and simple integration of parts, is convenient for production and manufacture, is favorable for reducing the cost and is convenient for project development and use.
Example 2
On the basis of embodiment 1, in this embodiment, a first output unit is arranged between the output end of the battery heat exchanger 20 and the input end of the gas-liquid separator 10;
the first output unit comprises a sixth valve body EXV-6 and an electric drive heat exchanger 70; the input end of the sixth valve body EXV-6 is connected with the output end of the battery heat exchanger 20, and the output end of the sixth valve body EXV-6 is connected with the medium input end of the electric drive heat exchanger 70; the medium output end of the electrically-driven heat exchanger 70 is connected with the input end of the gas-liquid separator 10, and an electrically-driven loop is connected between the heat exchange input end and the heat exchange output end of the electrically-driven heat exchanger 70; the output end of the seventh valve body is connected with the input end of the gas-liquid separator 10 through the electrically driven heat exchanger 70.
In some embodiments, a second output unit is further disposed between the output end of the battery heat exchanger 20 and the input end of the gas-liquid separator 10;
the second output unit comprises a ninth valve body TXV-1; the input end of the ninth valve body EXV-1 is connected with the output end of the battery heat exchanger 20, and the output end of the ninth valve body EXV-1 is connected with the input end of the gas-liquid separator 10.
Specifically, the electrically driven heat exchanger 70 is a plate heat exchanger;
through the structure, the automobile thermal management system can also collect waste heat of the electric driving loop;
when the sixth valve body EXV-6 is opened, the medium output by the battery heat exchanger 20 sequentially passes through the sixth valve body EXV-6 and the electrically driven heat exchanger 70 to return to the gas-liquid separator 10, so that the electrically driven heat exchanger 70 collects the heat of the electrically driven loop, and the reduction of energy consumption is facilitated.
When the ninth valve body EXV-1 is opened, the normal mode is switched to, and the heat of the electric drive loop is not collected.
Example 3
Based on embodiment 2, in some embodiments, the electric drive circuit includes a fan radiator 81, a three-way valve 82, an electric water pump 83, and an electric drive assembly 84;
the first end 1 of the three-way valve 82 is connected with the output end of the fan radiator 81, and the input end of the fan radiator 81 is connected with the heat exchange output end of the electrically-driven heat exchanger 70;
a second end 2 of the three-way valve 82 is connected with the heat exchange output end of the electrically-driven heat exchanger 70;
the third end 3 of the three-way valve 82 is connected with the input end of the electronic water pump 83, the output end of the electronic water pump 83 is connected with the input end of the electric driving assembly 84, and the output end of the electric driving assembly 84 is connected with the heat exchange input end of the electric driving heat exchanger 70.
In some embodiments, the input of the electronic pump 83 is connected to a water storage pot 85.
In some embodiments, a water temperature sensor 86 is mounted to the output of the electric drive assembly 84.
Specifically, when the filling and the exhaust are needed, the electronic water pump 83 is started, the valve openness of 1-2 and 1-3 of the three-way valve is respectively opened by 50%, and the filling and the exhaust of the electric drive loop are realized;
specifically, when the three-way valve is switched to 1-3 conduction, the waste heat collection of the electric drive assembly 84 and the fan radiator 81 can be realized.
To facilitate understanding and implementation by those skilled in the art, the corresponding thermal management mode of operation and corresponding functionality of fig. 1 is shown in tables-1 and-2, where the three-way valve 82 is shown as valve-1.
TABLE-1
TABLE-2
The foregoing description is only exemplary of the preferred embodiments of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (10)
1. An automotive thermal management system, comprising:
a gas-liquid separator (10);
the output end of the battery heat exchanger (20) is connected with the input end of the gas-liquid separator (10);
the input end of the compressor (30) is connected with the output end of the gas-liquid separator (10); the output end of the compressor (30) is connected with a valve bank, and the valve bank at least has an input end, a first output end and a second output end;
the first heat exchange unit is arranged between the first output end of the valve bank and the input end of the battery heat exchanger (20), and comprises a first condenser (40) and a fifth valve body which are sequentially connected in series; for releasing heat to the cabin environment when said first condenser (40) is active, to warm the cabin;
the second heat exchange unit is arranged between the second output end of the valve bank and the input end of the gas-liquid separator (10), and comprises a second condenser (50), a third valve body and an evaporator (60) which are sequentially connected in series; when the evaporator (60) works, the evaporator is used for absorbing heat of cabin environment so as to cool the cabin;
the output end of the first condenser (40) is also connected with the input end of the gas-liquid separator (10) through a seventh valve body; the output end of the second condenser (50) is also connected with the input end of the battery heat exchanger (20) through a fourth valve body.
2. The automotive thermal management system of claim 1, wherein the valve block comprises a first valve body, a second valve body;
the input end of the first valve body is connected with the output end of the compressor (30), and the output end of the first valve body is connected with the input end of the first condenser (40);
the input end of the second valve body is connected with the output end of the compressor (30), and the output end of the second valve body is connected with the input end of the second condenser (50).
3. The automotive thermal management system of claim 1, characterized in that a first output unit is provided between the output of the battery heat exchanger (20) and the input of the gas-liquid separator (10);
the first output unit comprises a sixth valve body, an electrically driven heat exchanger (70); the input end of the sixth valve body is connected with the output end of the battery heat exchanger (20), and the output end of the sixth valve body is connected with the medium input end of the electric driving heat exchanger (70); the medium output end of the electrically-driven heat exchanger (70) is connected with the input end of the gas-liquid separator (10); an electric drive loop is connected between the heat exchange input end and the heat exchange output end of the electric drive heat exchanger (70); the output end of the seventh valve body is connected with the input end of the gas-liquid separator (10) through the electric drive heat exchanger (70).
4. The automotive thermal management system of claim 3, further comprising a second output unit between the output of the battery heat exchanger (20) and the input of the gas-liquid separator (10);
the second output unit includes a ninth valve body; the input end of the ninth valve body is connected with the output end of the battery heat exchanger (20), and the output end of the ninth valve body is connected with the input end of the gas-liquid separator (10).
5. The automotive thermal management system of claim 3, wherein the electric drive circuit comprises a fan radiator (81), a three-way valve (82), an electric water pump (83), and an electric drive assembly (84);
the first end of the three-way valve (82) is connected with the output end of a fan radiator (81), and the input end of the fan radiator (81) is connected with the heat exchange output end of the electric drive heat exchanger (70);
the second end of the three-way valve (82) is connected with the heat exchange output end of the electrically-driven heat exchanger (70);
the third end of the three-way valve (82) is connected with the input end of the electronic water pump (83), the output end of the electronic water pump (83) is connected with the input end of the electric driving assembly (84), and the output end of the electric driving assembly (84) is connected with the heat exchange input end of the electric driving heat exchanger (70).
6. The automotive thermal management system of claim 5, wherein a water reservoir jug (85) is connected to an input of the electronic water pump (83).
7. The automotive thermal management system of claim 5, wherein a water temperature sensor (86) is mounted at an output of the electric drive assembly (84).
8. The automotive thermal management system according to any of the claims 1-7, characterized in that an eighth valve body is arranged between the output of the compressor (30) and the input of the gas-liquid separator (10).
9. The automotive thermal management system of any of claims 1-7, characterized in that a first pressure sensor is mounted at the output of the compressor (30).
10. The automotive thermal management system of any one of claims 1-7, characterized in that a second pressure sensor is mounted at the input of the battery heat exchanger (20) and a temperature sensor is mounted at the output of the battery heat exchanger (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320144497.9U CN218839122U (en) | 2023-01-18 | 2023-01-18 | Automobile heat management system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320144497.9U CN218839122U (en) | 2023-01-18 | 2023-01-18 | Automobile heat management system |
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| CN218839122U true CN218839122U (en) | 2023-04-11 |
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| CN202320144497.9U Active CN218839122U (en) | 2023-01-18 | 2023-01-18 | Automobile heat management system |
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