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Vehicle thermal management system and vehicle

A thermal management system and vehicle technology, applied in the field of electric vehicles, can solve the problems of battery pack temperature discharge efficiency reduction, heating efficiency and heating effect to be improved, and low efficiency of electric heaters

Pending Publication Date: 2019-05-31
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, when the electric vehicle is placed in a low-temperature environment for a long time, the temperature of the battery pack is too low to reduce the discharge efficiency. At this time, the battery pack needs to be heated
At present, it is usually realized by heating the cooling liquid with a water heating PTC electric heater. The efficiency of the electric heater is low, and the heating efficiency and heating effect need to be improved.

Method used

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  • Vehicle thermal management system and vehicle
  • Vehicle thermal management system and vehicle
  • Vehicle thermal management system and vehicle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] like figure 1As shown, the present invention provides a vehicle thermal management system, including a power component temperature regulation subsystem and an air conditioning subsystem; the air conditioning subsystem includes an in-vehicle heat exchange group and a first heat exchanger 15; the in-vehicle heat exchange The group and the first heat exchanger 15 are connected in parallel or in series; the power component temperature regulation subsystem and the air conditioning subsystem are connected and exchanged through the first heat exchanger 15 .

[0045] The first heat exchanger 15 is connected in parallel or in series with the in-vehicle heat exchange group. The heat exchange agent in the air-conditioning subsystem that flows to the in-vehicle heat exchange group is divided into a part and flows through the first heat exchanger 15 or all of it flows through the first heat exchanger. and the air conditioning subsystem and the power component temperature regulation ...

Embodiment 2

[0075] This embodiment is basically the same as Embodiment 1, and the difference lies in:

[0076] The in-vehicle heat exchange group includes a fourth heat exchanger; the third port of the flasher 11 is communicated with one end of the fourth throttle device and one end of the fifth throttle device respectively, and the fourth throttle device The other end of the fourth heat exchanger communicates with one end of the fourth heat exchanger, the other end of the fifth throttle device communicates with one end of the first heat exchanger 15, and the other end of the fourth heat exchanger communicates with the other end of the fourth heat exchanger. The other end of the first heat exchanger 15 is respectively communicated with one end of the first branch pipe, and the other end of the first branch pipe is respectively communicated with the third interface 8 and the inlet of the gas-liquid separator, One end of the off-vehicle heat exchanger 9 is also communicated with the inlet o...

Embodiment 3

[0082] Based on the same inventive idea, the present invention also provides a vehicle, including the vehicle thermal management system.

[0083] The on-off element in the above three embodiments can be selected as a solenoid valve, the throttle device in the above three embodiments can be selected as a throttle valve; the first heat exchanger in the above three embodiments can be selected from a plate heat exchanger.

[0084] It should be noted that, in this document, relational terms such as "first" and "second" etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply these There is no such actual relationship or sequence between entities or operations.

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Abstract

The invention relates to a vehicle thermal management system and a vehicle. The vehicle thermal management system comprises a power component temperature regulation subsystem and an air conditioning subsystem, wherein the air conditioning subsystem comprises an in-vehicle heat exchange group and a first heat exchanger; the in-vehicle heat exchange group and the first heat exchanger are connected in parallel or in series; the power component temperature regulation subsystem and the air conditioning subsystem are connected through the first heat exchanger and exchange heat. Due to the fact thatcontinuous cold or heat transmitted by the air conditioning subsystem can be obtained, the temperature regulation efficiency and the temperature regulating effect of the power component temperature regulation subsystem are greatly improved; the two subsystems coordinate with each other and operate synchronously, so that the control coordination of the whole vehicle is greatly improved.

Description

technical field [0001] The invention relates to the technical field of electric vehicles, in particular to a vehicle thermal management system and a vehicle. Background technique [0002] As people's awareness of environmental protection gradually increases, electric vehicles are becoming more and more popular, and the trend of replacing traditional vehicles is inevitable. Electric vehicles require a lot of space and components for thermal management. The interior space of the cabin needs to be cooled or heated according to the needs of users. The drive motor and control module need to be dissipated to prevent damage during high-temperature operation. The battery pack needs to maintain optimal operation. temperature to ensure its working efficiency and life. At present, electric-driven air conditioners are generally used to adjust the temperature of the interior space of the cabin, and the drive motors, battery packs, and control modules are dissipated by cooling liquid or ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60H1/00B60H1/32
Inventor 李潇吴会丽
Owner GREE ELECTRIC APPLIANCES INC
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