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CN-224210866-U - Thermal management system and vehicle

CN224210866UCN 224210866 UCN224210866 UCN 224210866UCN-224210866-U

Abstract

The utility model discloses a thermal management system and a vehicle. The heat management system comprises a battery loop and a warm air loop, wherein the battery loop is provided with a battery pack and a first heat exchanger, the warm air loop comprises a warm air main path, a first warm air branch path, a control assembly, a second warm air branch path and an engine, an electric heater is arranged on the warm air main path, the first warm air branch path is provided with the second heat exchanger, the second heat exchanger is in heat conduction connection with the first heat exchanger, the second warm air branch path and the engine are connected in parallel with two ends of the warm air main path through the control assembly, and the control assembly enables one of the second warm air branch path and the engine to be communicated with the warm air main path. According to the thermal management system provided by the embodiment of the utility model, the battery pack on the battery loop can be heated by using the waste heat of the engine so as to reduce the energy consumption of the thermal management system, and the electric heater can be heated together with the engine during cold start of the engine so as to quickly raise the temperature of the battery pack and reduce the time of cold start of the engine.

Inventors

  • CUI LIANG
  • WANG FULI

Assignees

  • 北汽福田汽车股份有限公司

Dates

Publication Date
20260508
Application Date
20250527

Claims (10)

  1. 1. The thermal management system is characterized by comprising a battery loop (5) and a warm air loop (6), wherein a battery pack (51) and a first heat exchanger (52) are arranged on the battery loop (5), and the warm air loop (6) comprises: A warm air main path (613), wherein an electric heater (6131) is arranged on the warm air main path (613); the first warm air branch (62), a second heat exchanger (621) is arranged on the first warm air branch (62), and the second heat exchanger (621) is in heat conduction connection with the first heat exchanger (52); The first warm air branch circuit (62) is selectively communicated with the warm air main circuit (613) through the control component; A second warm air branch circuit (614) and an engine (611), wherein the second warm air branch circuit (614) and the engine (611) are connected in parallel to two ends of the warm air main circuit (613) through the control assembly, and one of the second warm air branch circuit (614) and the engine (611) is communicated with the warm air main circuit (613) through the control assembly.
  2. 2. The thermal management system of claim 1, wherein the control assembly comprises: A first three-way valve (612), the first warm air branch (62) being selectively communicated with the warm air main passage (613) through the first three-way valve (612); A second three-way valve (6151), wherein one end of the engine (611), one end of the second warm air branch (614) and one end of the warm air main path (613) are respectively communicated with three valve ports of the second three-way valve (6151); And the other end of the engine (611), the other end of the second warm air branch (614) and the other end of the warm air main path (613) are respectively communicated with three valve ports of the third three-way valve (6152).
  3. 3. The thermal management system of claim 1, further comprising a passenger compartment air duct, wherein a third heat exchanger (6133) is further arranged on the warm air main path (613), and wherein the third heat exchanger (6133) is arranged in the passenger compartment air duct.
  4. 4. The thermal management system of claim 3, further comprising a refrigeration circuit (8), wherein a first evaporator (821) is disposed on the refrigeration circuit (8), and wherein the first evaporator (821) is disposed within the passenger compartment air duct.
  5. 5. Thermal management system according to claim 4, wherein said refrigeration circuit (8) comprises: A refrigeration main path (81), wherein a condenser (811) and a compressor (812) are arranged on the refrigeration main path (81); The first refrigerating branch circuit (82) and the second refrigerating branch circuit (83), the first refrigerating branch circuit (82) and the second refrigerating branch circuit (83) are connected in parallel to two ends of the refrigerating main circuit (81), the first evaporator (821) is arranged on the first refrigerating branch circuit (82), and the second evaporator (831) is arranged on the second refrigerating branch circuit (83); A fourth heat exchanger (53) is arranged on the battery loop (5), and the fourth heat exchanger (53) is in heat conduction connection with the second evaporator (831).
  6. 6. The thermal management system according to claim 5, wherein the first refrigeration branch (82) is provided with a first control valve (822) upstream of the first evaporator (821), the first control valve (822) being adapted to control the refrigerant flow of the first refrigeration branch (82); The second refrigeration branch (83) is provided with a second control valve (832) at the upstream of the second evaporator (831), and the second control valve (832) is used for controlling the refrigerant flow of the second refrigeration branch (83).
  7. 7. The thermal management system of any one of claims 1-6, further comprising: An integrated heat sink (1), the integrated heat sink (1) having a first heat dissipation cavity (111) and a second heat dissipation cavity (121); A transmission loop (2), wherein the transmission loop (2) is communicated with the first radiating cavity (111), and a transmission (21) is arranged on the transmission loop (2); The motor loop (3), motor loop (3) with second heat dissipation chamber (121) intercommunication, be equipped with at least one driving motor (31) on motor loop (3).
  8. 8. The thermal management system of claim 7, further comprising an integrated kettle (4), the integrated kettle (4) comprising: The kettle body (41), the kettle body (41) is provided with a first medium cavity (411) and a second medium cavity (412), the motor loop (3) is communicated with the first medium cavity (411), and the battery loop (5) is communicated with the second medium cavity (412); a first medium pump (42), wherein the first medium pump (42) is arranged on the kettle body (41) and is communicated with the first medium cavity (411); And a second medium pump (43), wherein the second medium pump (43) is arranged on the kettle body (41) and is communicated with the second medium cavity (412).
  9. 9. The thermal management system according to claim 7, further comprising a plurality of temperature sensors (73), wherein at least one of the temperature sensors (73) is provided on each of the transmission circuit (2), the motor circuit (3), the battery circuit (5), and the warm air circuit (6).
  10. 10. A vehicle characterized by comprising a thermal management system according to any of claims 1-9.

Description

Thermal management system and vehicle Technical Field The utility model relates to the technical field of vehicles, in particular to a thermal management system and a vehicle. Background In the use process of the hybrid vehicle, the temperature of the engine, the battery pack and other parts can be regulated through the thermal management system so as to ensure that all parts of the vehicle work at proper temperature. In the related art, heat generated during the operation of the engine heats the engine cooling medium, and the battery pack can be heated by the heat of the engine cooling medium in a low-temperature environment, however, less heat is generated during the cold start of the engine, so that the temperature of the battery pack cannot be raised in time due to slower heating speed of the engine cooling medium. Disclosure of utility model The present utility model aims to solve, at least to some extent, one of the above technical problems in the prior art. Therefore, the utility model provides a thermal management system which can rapidly raise the temperature of a battery pack. The utility model further provides a vehicle with the thermal management system. The thermal management system comprises a battery loop and a warm air loop, wherein a battery pack and a first heat exchanger are arranged on the battery loop, the warm air loop comprises a warm air main path, an electric heater is arranged on the warm air main path, a first warm air branch path is provided with a second heat exchanger, the second heat exchanger is in heat conduction connection with the first heat exchanger, the first warm air branch path is selectively communicated with the warm air main path through a control component, the second warm air branch path and an engine are connected in parallel with two ends of the warm air main path through the control component, and one of the second warm air branch path and the engine is communicated with the warm air main path through the control component. According to the thermal management system provided by the embodiment of the utility model, the electric heater is arranged on the warm air main circuit, the second heat exchanger which is in heat conduction connection with the first heat exchanger on the battery loop is arranged on the first warm air branch circuit, the first warm air branch circuit is selectively communicated with the warm air main circuit through the control component, and the control component enables one of the second warm air branch circuit and the engine to be communicated with the warm air main circuit, so that the battery pack on the battery loop can be heated by utilizing the waste heat of the engine, the energy consumption of the thermal management system is reduced, and in addition, the electric heater can be heated together with the engine during the cold start of the engine, so that the temperature of the battery pack is quickly increased, and the cold start time of the engine is shortened. According to some embodiments of the utility model, the control assembly comprises a first three-way valve, a second three-way valve, a third three-way valve and a third three-way valve, wherein the first warm air branch is selectively communicated with the warm air main path through the first three-way valve, one end of the engine, one end of the second warm air branch and one end of the warm air main path are respectively communicated with three valve ports of the second three-way valve, and the other end of the engine, the other end of the second warm air branch and the other end of the warm air main path are respectively communicated with three valve ports of the third three-way valve. According to some embodiments of the utility model, the thermal management system further comprises a passenger cabin air channel, a third heat exchanger is further arranged on the warm air main road, and the third heat exchanger is arranged in the passenger cabin air channel. According to some embodiments of the utility model, the thermal management system further comprises a refrigeration circuit provided with a first evaporator, wherein the first evaporator is arranged in the passenger cabin air duct. According to some embodiments of the utility model, the refrigeration loop comprises a refrigeration main path, a first refrigeration branch path and a second refrigeration branch path, wherein the refrigeration main path is provided with a condenser and a compressor, the first refrigeration branch path and the second refrigeration branch path are connected in parallel with two ends of the refrigeration main path, the first refrigeration branch path is provided with the first evaporator, the second refrigeration branch path is provided with the second evaporator, the battery loop is provided with a fourth heat exchanger, and the fourth heat exchanger is in heat conduction connection with the second evaporator. According to some embodiments of the utility model, the first refrigeration bra