CN212685168U - Thermal management system of hybrid all-terrain vehicle - Google Patents
Thermal management system of hybrid all-terrain vehicle Download PDFInfo
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- CN212685168U CN212685168U CN202021544573.8U CN202021544573U CN212685168U CN 212685168 U CN212685168 U CN 212685168U CN 202021544573 U CN202021544573 U CN 202021544573U CN 212685168 U CN212685168 U CN 212685168U
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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
Abstract
The utility model discloses a mix and move all terrain vehicle thermal management system realizes unified integrated thermal management. The system comprises an engine heat management loop, a motor heat management loop and a power battery heat management loop, wherein the engine heat management loop comprises a first radiator and an engine which are connected in series; the motor heat management loop comprises a first series branch and a second series branch, the first series branch comprises a generator and a third driving pump, the second series branch comprises a controller, a right driving motor, a left driving motor, a first driving pump and a second driving pump, and the first series branch and the second series branch are connected in parallel and then connected in series with a second radiator; the power battery heat management loop comprises a cooling loop, an air-conditioning refrigeration loop and a heat exchanger, wherein the cooling loop comprises a power battery and a fourth driving pump which are connected in series, and two heat exchange channels of the heat exchanger are respectively connected in series on the cooling loop and the air-conditioning refrigeration loop; the first radiator, the second radiator and the condenser are cooled by a fan.
Description
Technical Field
The utility model relates to an all terrain vehicle technical field especially relates to a mix all terrain vehicle thermal management system.
Background
Due to energy and environmental issues, the development of new energy vehicles has become a major direction in the development of automobiles.
At present, all-terrain vehicles in China are fuel powered vehicles, and the energy consumption and pollution of all-terrain vehicles cannot meet the increasingly severe energy and environment requirements.
In order to meet the increasingly strict regulatory requirements of domestic non-all terrain vehicles, hybrid power has become a main requirement for the development of the vehicles. The existing heat management system mostly adopts a single refrigeration mode; heating equipment (PTC) is adopted to heat the passenger compartment in winter, and the endurance mileage of the battery is seriously influenced; the temperature range of the used environment is narrow, and the extreme environment use working conditions of some all-terrain vehicles cannot be met.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide a mix and move all terrain vehicle thermal management system, realize the integrated thermal management system of unification, realize the accurate control and the high-efficient utilization of the energy.
The purpose of the utility model is realized like this:
a thermal management system of a hybrid all-terrain vehicle comprises an engine thermal management loop, a motor thermal management loop and a power battery thermal management loop,
the engine heat management loop comprises a first radiator and an engine which are connected in series through a pipeline, and a cooling medium in the engine heat management loop is driven by a water pump of the engine;
the motor heat management loop comprises a first series branch and a second series branch, the first series branch comprises a generator and a third drive pump which are connected in series through a pipeline, the second series branch comprises a controller, a right drive motor, a left drive motor and a first drive pump which are connected in series through a pipeline, the first series branch and the second series branch are connected in parallel and then connected in series with a second radiator to form the motor heat management loop, and a cooling medium in the motor heat management loop is driven by a first drive pump (13);
the power battery heat management loop comprises a cooling loop, an air-conditioning refrigeration loop and a heat exchanger, wherein the cooling loop comprises a power battery and a fourth driving pump which are connected in series through a pipeline, a cooling medium in the cooling loop is driven by the fourth driving pump (1), the air-conditioning refrigeration loop comprises an air-conditioning compressor, a condenser and an expansion valve which are connected in series sequentially through pipelines, one heat exchange channel of the heat exchanger is connected in series on the cooling loop, and the other heat exchange channel of the heat exchanger is connected in series on the air-conditioning refrigeration loop;
the first radiator, the second radiator and the condenser are subjected to air cooling through a fan.
Preferably, the engine, the first radiator, the generator, the right driving motor, the left driving motor, the controller, the second radiator and the power battery are all provided with channels through which cooling media pass, and are connected with corresponding pipelines through the channels, and the first driving pump, the second driving pump, the third driving pump and the fourth driving pump are used for driving the cooling media.
Preferably, the cooling medium is a cooling liquid.
Preferably, a drying bottle is arranged between the condenser and the expansion valve.
Preferably, the heat exchanger is connected between the air conditioner compressor and the expansion valve.
Preferably, the first radiator, the second radiator and the condenser are placed together and are air-cooled by the same fan.
Preferably, the first radiator, the second radiator and the condenser are arranged side by side or overlapped.
Preferably, a second driving pump is further connected in series to the second series branch.
Since the technical scheme is used, the utility model discloses following beneficial effect has:
a. the utility model discloses a mode that air conditioner refrigeration and forced air exhaust heat dissipation combine compromises the cooling of engine, generator, driving motor, controller and battery, realizes the integrated thermal management system of unification, realizes the accurate control and the high-efficient utilization of the energy. The temperature difference between the engine, the generator, the driving motor, the controller and the battery is large when the engine, the generator, the driving motor, the controller and the battery work, so that a plurality of loops are required to work cooperatively for cooling.
b. The thermal management system and the control method of the hybrid all-terrain vehicle can meet the use conditions of-41-60 ℃ in extreme environments. At the temperature of minus 41 ℃, the heat dissipation of the system can be completely met, mainly the heating problem is solved, the part needing to be heated is the power battery, and the controller sends an instruction to enable the power battery to be heated by the power battery, so that the use requirement is met. The high temperature of 60 ℃ is realized by a high-power high-voltage electric control fan, a first radiator, a second radiator and a condenser with larger heat dissipation areas.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
Referring to fig. 1, the thermal management system for the hybrid all-terrain vehicle comprises an engine thermal management loop, a motor thermal management loop and a power battery thermal management loop.
The engine thermal management loop comprises a first radiator 9 and an engine 10 which are connected in series through a pipeline. The engine of the heat management system adopts a forced air exhaust mode to cool and radiate.
The motor heat management loop comprises a first series branch and a second series branch, the first series branch comprises a generator 12 and a third driving pump 11 which are connected in series through a pipeline, the second series branch comprises a controller 15, a right driving motor 16, a left driving motor 17, a first driving pump 13 and a second driving pump 14 which are connected in series through pipelines, and the first series branch and the second series branch are connected in parallel and then connected in series with a second radiator 7 to form the motor heat management loop. And a generator, a controller and a driving motor of the thermal management system adopt a parallel-serial connection mode for cooling control. The controller and the driving motor are connected in series to form a loop, and then are connected in parallel with the generator to form a series-parallel loop system, the series-parallel loop system shares a radiator, and cooling and heat dissipation are carried out in a forced air exhaust mode.
The power battery heat management loop comprises a cooling loop, an air-conditioning refrigeration loop and a heat exchanger 3, wherein the cooling loop comprises a power battery 2 and a fourth driving pump 1 which are connected in series through pipelines, the air-conditioning refrigeration loop comprises an air-conditioning compressor 8, a condenser 6 and an expansion valve 4 which are sequentially connected in series through pipelines, a heat exchange channel of the heat exchanger 3 is connected in series on the cooling loop, and another heat exchange channel of the heat exchanger 3 is connected in series on the air-conditioning refrigeration loop. And a drying bottle 5 is arranged between the condenser 6 and the expansion valve 4. The heat exchanger 3 is connected between the air conditioner compressor 8 and the expansion valve 4. The cooling medium of the power battery 2 and the cooling medium of the air conditioning system exchange heat in the heat exchanger 3 to realize the refrigeration of the power battery 2, and the medium of the air conditioning system is forcibly exhausted in the condenser 6 through the fan 19 to dissipate heat so as to meet the functional and performance requirements of the whole battery thermal management system.
The engine 10, the first radiator 9, the generator 12, the right driving motor 16, the left driving motor 17, the controller 15, the second radiator 7 and the power battery 2 are all provided with channels for cooling media to pass through and are connected with corresponding pipelines through the channels, and the first driving pump 13, the second driving pump 14, the third driving pump 11 and the fourth driving pump 1 are used for driving the cooling media. In this embodiment, the cooling medium is a cooling liquid.
The first radiator 9, the second radiator 7, and the condenser 6 are air-cooled by a fan 19. In this embodiment, the first radiator 9, the second radiator 7, and the condenser 6 are arranged in a line, and are air-cooled by the same fan 19.
The engine 10, the generator 12, the right driving motor 16, the left driving motor 17, the controller 15 and the power battery 2 are all parts of an all-terrain vehicle. The power battery 2 of the heat management system adopts a self-heating function to meet the use condition of the system in a low-temperature environment; and the air-conditioning refrigeration mode is adopted under the high-temperature environment to meet the use condition of the system. The self-heating function is the function of the power battery, the sensor in the power battery feeds back a temperature signal to the controller, and under the low-temperature environment, when the temperature value received by the controller is equal to the control value, the controller sends an instruction to the power battery, and the power battery can perform self-heating at the moment. (the heating function is of the power battery itself and needs a controller for control)
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (8)
1. A hybrid all terrain vehicle thermal management system, characterized by: comprises an engine heat management loop, a motor heat management loop and a power battery heat management loop,
the engine heat management loop comprises a first radiator (9) and an engine (10) which are connected in series through a pipeline, and a cooling medium in the engine heat management loop is driven by a water pump of the engine;
the motor heat management loop comprises a first series branch and a second series branch, wherein the first series branch comprises a generator (12) and a third drive pump (11) which are connected in series through a pipeline, the second series branch comprises a controller (15), a right drive motor (16), a left drive motor (17) and a first drive pump (13) which are connected in series through a pipeline, the first series branch and the second series branch are connected in parallel and are connected in series with a second radiator (7) to form a motor heat management loop, and a cooling medium in the motor heat management loop is driven through the first drive pump (13);
the power battery heat management loop comprises a cooling loop, an air-conditioning refrigeration loop and a heat exchanger (3), wherein the cooling loop comprises a power battery (2) and a fourth driving pump (1) which are connected in series through a pipeline, a cooling medium in the cooling loop is driven by the fourth driving pump (1), the air-conditioning refrigeration loop comprises an air-conditioning compressor (8), a condenser (6) and an expansion valve (4) which are connected in series sequentially through pipelines, one heat exchange channel of the heat exchanger (3) is connected in series on the cooling loop, and the other heat exchange channel of the heat exchanger (3) is connected in series on the air-conditioning refrigeration loop;
the first radiator (9), the second radiator (7) and the condenser (6) are air-cooled through a fan (19).
2. The hybrid all terrain vehicle thermal management system of claim 1, wherein: the engine (10), the first radiator (9), the generator (12), the right driving motor (16), the left driving motor (17), the controller (15), the second radiator (7) and the power battery (2) are all provided with channels for cooling media to pass through and are connected with corresponding pipelines through the channels, and the first driving pump (13), the second driving pump (14), the third driving pump (11) and the fourth driving pump (1) are used for driving the cooling media.
3. The hybrid all terrain vehicle thermal management system of claim 2, wherein: the cooling medium is cooling liquid.
4. The hybrid all terrain vehicle thermal management system of claim 1, wherein: and a drying bottle (5) is arranged between the condenser (6) and the expansion valve (4).
5. The hybrid all terrain vehicle thermal management system of claim 1, wherein: the heat exchanger (3) is connected between the air conditioner compressor (8) and the expansion valve (4).
6. The hybrid all terrain vehicle thermal management system of claim 1, wherein: the first radiator (9), the second radiator (7) and the condenser (6) are placed together and are cooled by the same fan (19).
7. The hybrid all terrain vehicle thermal management system of claim 6, wherein: the first radiator (9), the second radiator (7) and the condenser (6) are arranged side by side or in an overlapping mode.
8. The hybrid all terrain vehicle thermal management system of claim 1, wherein: and a second driving pump (14) is also connected in series on the second serial branch.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021544573.8U CN212685168U (en) | 2020-07-29 | 2020-07-29 | Thermal management system of hybrid all-terrain vehicle |
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| CN202021544573.8U CN212685168U (en) | 2020-07-29 | 2020-07-29 | Thermal management system of hybrid all-terrain vehicle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113135088A (en) * | 2021-05-28 | 2021-07-20 | 重庆嘉陵全域机动车辆有限公司 | Hybrid power transmission structure of all-terrain new energy vehicle |
| CN113895204A (en) * | 2021-10-11 | 2022-01-07 | 北京汽车集团越野车有限公司 | Battery pack heat management system, vehicle and battery pack heat management method |
| CN115059535A (en) * | 2022-06-27 | 2022-09-16 | 东风汽车集团股份有限公司 | Hybrid power system |
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2020
- 2020-07-29 CN CN202021544573.8U patent/CN212685168U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113135088A (en) * | 2021-05-28 | 2021-07-20 | 重庆嘉陵全域机动车辆有限公司 | Hybrid power transmission structure of all-terrain new energy vehicle |
| CN113135088B (en) * | 2021-05-28 | 2022-09-02 | 重庆嘉陵全域机动车辆有限公司 | Hybrid power transmission structure of all-terrain new energy vehicle |
| CN113895204A (en) * | 2021-10-11 | 2022-01-07 | 北京汽车集团越野车有限公司 | Battery pack heat management system, vehicle and battery pack heat management method |
| CN115059535A (en) * | 2022-06-27 | 2022-09-16 | 东风汽车集团股份有限公司 | Hybrid power system |
| CN115059535B (en) * | 2022-06-27 | 2023-07-04 | 东风汽车集团股份有限公司 | Hybrid power system |
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