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Vehicle heat management system and vehicle

A thermal management system and vehicle technology, applied in vehicle components, air handling equipment, heating/cooling equipment, etc., can solve the problems of inability to meet battery temperature requirements, low cooling efficiency, complex structure, etc., and improve endurance and service life. , The effect of high adjustment efficiency and wide adjustment range

Active Publication Date: 2020-06-09
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

They all adopt the technology of battery liquid cooling, the structure is complex and the cooling efficiency is low, which cannot meet the temperature requirements of the battery

Method used

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  • Vehicle heat management system and vehicle
  • Vehicle heat management system and vehicle
  • Vehicle heat management system and vehicle

Examples

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Embodiment Construction

[0055] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0056] like Figure 1-Figure 14 As shown, the vehicle thermal management system 1 according to the embodiment of the present invention includes a compressor 10, a first indoor heat exchanger 30, a second indoor heat exchanger 40, an outdoor heat exchanger 50, a battery pack 250, and a reversing valve 410 and the first control valve group with adjustable opening. The compressor 10 includes a suction port 11 and a discharge port 12. The refrigerant in the compressor 10 is discharged from the discharge port 12 and returned to the compressor...

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Abstract

The invention discloses a heat management system of a vehicle and the vehicle. The heat management system comprises a compressor, a first indoor heat exchanger, a second indoor heat exchanger, an outdoor heat exchanger, a reversing valve, a motor and a battery pack. The battery pack comprises a refrigerant cooling branch and a liquid cooling branch, and a refrigerant is suitable for flowing in atleast one of the compressor, the first indoor heat exchanger, the second indoor heat exchanger and the outdoor heat exchanger to form a refrigerant circulating flow path. The refrigerant circulation flow path comprises a refrigeration loop and a heating loop. The liquid cooling loop is suitable for exchanging heat with the motor. The refrigerant cooling branch is selectively communicated with therefrigerant circulating flow path, and the liquid cooling branch is selectively communicated with the liquid cooling loop. The refrigerant cooling branch is selectively connected between the first indoor heat exchanger and the outdoor heat exchanger in series. According to the heat management system, temperature adjustment of the interior of the vehicle and the motor of the vehicle can be achieved, and temperature adjustment of the battery pack can also be achieved.

Description

technical field [0001] The invention relates to the technical field of vehicles, in particular to a thermal management system of a vehicle and the vehicle. Background technique [0002] In order to improve the charging and discharging efficiency of the battery, it is necessary to have a suitable working temperature. Too high or too low will have a great impact on its performance and battery life. In the related technology, the temperature of the battery is cooled by setting an independent cooling port. In addition, some vehicles combine the air conditioning system to control the temperature of the battery, and the air conditioning system exchanges heat for the coolant flowing through the battery to achieve cooling of the battery. or heat up. They all adopt battery liquid cooling technology, which has a complex structure and low cooling efficiency, which cannot meet the temperature requirements of the battery. Contents of the invention [0003] The present invention aims ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60H1/00
CPCB60H1/00278B60H1/00878B60H2001/00307
Inventor 白云辉黄梅芳梁丕荣
Owner BYD CO LTD
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