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EP-4190607-B1 - THERMAL MANAGEMENT COMPONENT

EP4190607B1EP 4190607 B1EP4190607 B1EP 4190607B1EP-4190607-B1

Inventors

  • YE, Keli
  • XU, Fengyan
  • WU, Linzhong
  • YIN, Zhengyi
  • SONG, BIN

Dates

Publication Date
20260506
Application Date
20210723

Claims (15)

  1. A thermal management assembly, which is able to be applied to a vehicular thermal management system; wherein the thermal management assembly comprises a first connecting port (30), a second connecting port (40) and a third connecting port (50), the thermal management assembly comprises a liquid storage portion (3), a connecting portion (8) and a plate heat exchange assembly (56), the first connecting port (30) is in communication with an inlet of the liquid storage portion (3) or the first connecting port (30) is configured as one inlet of the liquid storage portion (3), the plate heat exchange assembly (56) is located downstream of the liquid storage portion (3); the plate heat exchange assembly (56) is in communication with the second connecting port (40) and the third connecting port (50), respectively, wherein the second connecting port (40) and the third connecting port (50) are configured as outlets, or the second connecting port (40) and the third connecting port (50) are configured as outlets of the plate heat exchange assembly (56), characterized in that, the connecting portion (8) is provided with a liquid storage portion connecting port (83) and a heat exchange portion connecting port (84), an outlet of the liquid storage portion (3) is in communication with the liquid storage portion connecting port (83), the heat exchange portion connecting port (84) is in communication with an inlet of the plate heat exchange assembly (56), and the liquid storage portion connecting port (83) is in communication with the heat exchange portion connecting port (84).
  2. The thermal management assembly according to claim 1, wherein the plate heat exchange assembly (56) comprises an intermediate heat exchanger (5) and a cooler (6), the intermediate heat exchanger (5) is located downstream of the liquid storage portion (3), the intermediate heat exchanger (5) is in communication with the second connecting port (40) and the third connecting port (50), respectively, the second connecting port (40) and the third connecting port (50) are configured as outlets or the second connecting port (40) and the third connecting port (50) are configured as outlets of the intermediate heat exchanger (5), the cooler (6) comprises a refrigerant passage and a coolant passage, and the intermediate heat exchanger (5) is in communication with the refrigerant passage of the cooler (6).
  3. The thermal management assembly according to claim 1 or 2, wherein the thermal management assembly further comprises a fourth connecting port (10) and a fifth connecting port (20), the fourth connecting port (10) is able to be in communication with the fifth connecting port (20), the fourth connecting port (10) is configured as one inlet, and the fifth connecting port (20) is configured as one outlet.
  4. The thermal management assembly according to claim 3, wherein the plate heat exchange assembly (56) comprises an intermediate heat exchanger (5), the thermal management assembly further comprises a sixth connecting port (60), the sixth connecting port (60) is in communication with an inlet of the intermediate heat exchanger (5), or the sixth connecting port (60) is configured as one inlet of the intermediate heat exchanger (5).
  5. The thermal management assembly according to claim 4, wherein the thermal management assembly further comprises a seventh connecting port (70) and an eighth connecting port (80), one outlet of the intermediate heat exchanger (5) is in communication with the seventh connecting port (70) or the seventh connecting port (70) is configured as one outlet of the intermediate heat exchanger (5), and one inlet of the intermediate heat exchanger (5) is in communication with the eighth connecting port (80) or the eighth connecting port (80) is configured as one inlet of the intermediate heat exchanger (5).
  6. The thermal management assembly according to claim 5, wherein the thermal management assembly further comprises a first valve assembly (7), a first inlet (701) of the first valve assembly (7) and a first outlet (702) of the first valve assembly (7) are in communication with the intermediate heat exchanger (5), a second inlet (703) of the first valve assembly (7) is in communication with the eighth connecting port (80) or a second inlet (703) of the first valve assembly (7) forms the eighth connecting port (80), a second outlet (704) of the first valve assembly (7) is in communication with the seventh connecting port (70) or a second outlet (704) of the first valve assembly (7) forms the seventh connecting port (70), the first valve assembly (7) comprises a throttle element and a check valve, the throttle element is located between the first inlet (701) of the first valve assembly (7) and the second outlet (704) of the first valve assembly (7), and the check valve is located between the second inlet (703) of the first valve assembly (7) and the first outlet (702) of the first valve assembly (7).
  7. The thermal management assembly according to claim 6, wherein the thermal management assembly further comprises a ninth connecting port (110) and a tenth connecting port (120), the ninth connecting port (110) is configured as one outlet of the thermal management assembly, the tenth connecting port (120) is configured as one inlet of the thermal management assembly, the ninth connecting port (110) is able to be in communication with the fourth connecting port (10), and the tenth connecting port (120) is able to be in communication with the inlet of the liquid storage portion (3).
  8. The thermal management assembly according to claim 7, wherein the thermal management assembly further comprises a first valve portion (11) and a second valve portion (12), the first valve portion (11) is located between the fourth connecting port (10) and the fifth connecting port (20), the first valve portion (11) is configured to control an on/off and a flow rate between the fourth connecting port (10) and the fifth connecting port (20), the second valve portion (12) is located between the fourth connecting port (10) and the ninth connecting port (110), the second valve portion (12) is configured to control an on/off and a flow rate between the fourth connecting port (10) and the ninth connecting port (110), and the tenth connecting port (120) is able to be in communication with the inlet of the liquid storage portion (3); and the connecting portion (8) is provided with a communication passage, the communication passage comprises a first duct (801), at least part of the first valve portion (11) is located in the first duct (801), the fourth connecting port (10) and the fifth connecting port (20) are located in the connecting portion (8), and the fourth connecting port (10) and the fifth connecting port (20) are able to be in communication through the cooperation of the first valve portion (11) and the first duct (801).
  9. The thermal management assembly according to claim 8, wherein the connecting portion (8) comprises a main body portion (86) and a cantilever portion (87), the main body portion (86) and the cantilever portion (87) are arranged at a right angle, the liquid storage portion (3) connecting port (83) is located in the main body portion (86), the heat exchange portion connecting port (84) is located in the cantilever portion (87), the first duct (801) is located in the main body portion (86), wherein the thermal management assembly further comprises a connecting pipe (89), the connecting pipe (89) is fixedly connected to the main body portion (86) and the cantilever portion (87), the liquid storage portion (3) connecting port (83) is in communication with the heat exchange portion connecting port (84) through the connecting pipe (89); or, the connecting portion (8) is further provided with a connecting duct (89), and the liquid storage portion (3) is in communication with the heat exchange portion connecting port (84) through the connecting duct (89); or the connecting portion (8) is provided with a second transition passage (85), wherein the liquid storage portion (3) connecting port (83) is in communication with the heat exchange portion connecting port (84) through the second transition passage (85); the plate heat exchange assembly (56) comprises an intermediate heat exchanger (5), a cooler (6) and an inner connecting bridge (506), the inner connecting bridge (506) is located between the intermediate heat exchanger (5) and the cooler (6), the inlet of the plate heat exchange assembly (56) is located in the inner connecting bridge (506), and the heat exchange portion connecting port (84) is in communication with an inlet of the intermediate heat exchanger (5) through the inner connecting bridge (506).
  10. The thermal management assembly according to claim 9, wherein the thermal management assembly further comprises an eleventh connecting port (90) and a twelfth connecting port (100), the thermal management assembly further comprises a second valve assembly (4), the second valve assembly (4) is located between the liquid storage portion (3) and the intermediate heat exchanger (5), the outlet of the liquid storage portion (3) is in communication with a first inlet (401) of the second valve assembly (4), the twelfth connecting port (100) is in communication with a second inlet (402) of the second valve assembly (4) or the twelfth connecting port (100) is configured as a second inlet (402) of the second valve assembly (4), the eleventh connecting port (90) is in communication with a first outlet (403) of the second valve assembly (4) or the eleventh connecting port (90) is configured as a first outlet (403) of the second valve assembly (4), and a second outlet (404) of the second valve assembly (4) is in communication with the inlet of the intermediate heat exchanger (5); and the second valve assembly (4) comprises a first valve body (41), a first valve core and a second valve core, the first valve body (41) is provided with a first flow passage (411) and a second flow passage (412), the first valve core is located in the first flow passage (411), the second valve core is located in the second flow passage (412), the eleventh connecting port (90) is a port formed by the first flow passage (411) in the first valve body (41), the twelfth connecting port (100) is a port formed by the second flow passage (412) on the first valve body (41), a working medium flowing through the liquid storage portion (3) is able to flow into the first flow passage (411), this part of working medium is able to be in communication with the plate heat exchange assembly (56) or the eleventh connecting port (90) by controlling the first valve core to rotate, the working medium is able to flow into the second flow passage (412) from the twelfth connecting port (100), the second flow passage (412) is in communication with the plate heat exchange assembly (56) through the second valve core, and the second valve core is a check valve.
  11. The thermal management assembly according to claim 10, wherein the connecting portion (8) comprises a main body portion (86) and a cantilever portion (87), the main body portion (86) and the cantilever portion (87) are arranged at a right angle, the liquid storage portion connecting port (83) is located in the main body portion (86), the heat exchange portion connecting port (84) is located in the cantilever portion (87), the cantilever portion (87) forms a first transition passage (806), and the second flow passage (412) is in communication with the heat exchange portion connecting port (84) through the first transition passage (806).
  12. The thermal management assembly according to any one of claims 9 to 11, wherein the plate heat exchange assembly (56) comprises an intermediate heat exchanger (5), a cooler (6) and an outer connecting bridge (92), the outer connecting bridge (92) is located on an outer side of the intermediate heat exchanger (5), the intermediate heat exchanger (5) is in communication with the cooler (6), the inlet of the plate heat exchange assembly (56) is located on the outer connecting bridge (92), and an inlet of the intermediate heat exchanger (5) is in communication with the heat exchange portion connecting port (84) through the outer connecting bridge (92), the cooler (6) is provide with a refrigerant passage and a coolant passage, and the intermediate heat exchanger (5) is in communication with the refrigerant passage.
  13. The thermal management assembly according to claim 12, wherein the second connecting port (40) is located in the connecting portion (8) or the outer connecting bridge (92), the third connecting port (50) and the sixth connecting port (60) are located in a mounting seat (560), the mounting seat is located in the outer connecting bridge (92), the first valve assembly (7) is fixedly connected to the outer connecting bridge (92), the second valve assembly (4) comprises a second valve body, the seventh connecting port (70) and the eighth connecting port (80) are formed in the second valve body, the seventh connecting port (70) is in communication with the intermediate heat exchanger (5) through the throttle element, and the eighth connecting port (80) is in communication with the intermediate heat exchanger (5) through the check valve.
  14. The thermal management assembly according to claim 13, wherein the first connecting port (30) and the tenth connecting port (120) are configured as inlets of the liquid storage portion (3), and the first connecting port (30) and the tenth connecting port (120) are located in a cover plate of the liquid storage portion (3); or, the first connecting port (30) and the tenth connecting port (120) are configure as inlets of the liquid storage portion, the first connecting port (30) and the tenth connecting port (120) are located in the connecting portion (8), the communication passage is provided with a second duct (802) and a third duct (803), the first connecting port (30) is in communication with the inlet of the liquid storage portion (3) through the second duct (802), and the tenth connecting port (120) is in communication with the inlet of the liquid storage portion (3) through the third duct (803).
  15. The thermal management assembly according to claim 12, wherein the working medium of the intermediate heat exchanger (5) is divided into a first group and a second group, the first group flows into the cooler (6) after being throttled, the working medium of the second group is in communication with the seventh connecting port (70) after being throttled by the first valve assembly (7), the working medium flowing in from the eighth connecting port (80) exchanges heat with the working medium, which is flowing into the intermediate heat exchanger (5) from the liquid storage portion (3), in the intermediate heat exchanger (5), and then is merged with the working medium flowing through the cooler (6) at the second connecting port (40), and flows out of the intermediate heat exchanger (5).

Description

This application claims the benefit of priorities to the following two Chinese patent applications, 1) Chinese Patent Application No. 202010726752.1, titled "THERMAL MANAGEMENT COMPONENT", filed with the China National Intellectual Property Administration on July 25, 2020; and2) Chinese Patent Application No. 202010726751.7, titled "THERMAL MANAGEMENT COMPONENT", filed with the China National Intellectual Property Administration on July 25, 2020. FIELD The present application relates to the technical field of vehicle components, and in particular to a vehicular thermal management assembly. BACKGROUND A vehicle thermal management system includes an air conditioning system, a motor and a component thermal management system. For a new energy vehicle, the vehicle thermal management system further includes a battery pack thermal management system. There are many components in the thermal management system, the connection is complex, and the occupied space is large. A technical problem is how to design the connection relation among various components in the system while meet the functions of components so as to make the structure compact and facilitate the assembly. Document CN 108 068 572 A discloses a fluid heat exchange assembly and a vehicle heat management system. The fluid heat exchange assembly includes a fluid conduction module and a fluid heat exchange module. The fluid conduction module includes a base portion, a first body portion and a second body portion. The base portion includes a first installation cavity and a second installation cavity. At least part of the first body portion is located in the first installation cavity. At least part of the second body portion is located in the second installation cavity. The base portion includes a first path, a second path, a third path, a fourth path, a fifth path and a sixth path. The first path communicates with at least one of the second path and the third path. SUMMARY An object according to the present application is to provide a thermal management assembly which has a compact structure and a convenient assembly. In order to achieve the above object, the following technical solution is provided: a thermal management assembly, which is able to be applied to a vehicular thermal management system, includes a first connecting port, a second connecting port and a third connecting port, the thermal management assembly includes a liquid storage portion, a connecting portion and a plate heat exchange assembly, the first connecting port is in communication with an inlet of the liquid storage portion or the first connecting port is configured as an inlet of the liquid storage portion, the plate heat exchange assembly is located downstream of the liquid storage portion; the plate heat exchange assembly is in communication with the second connecting port and the third connecting port, respectively, the second connecting port and the third connecting port are configured as outlets, or the second connecting port and the third connecting port are configured as outlets of the plate heat exchange assembly. The connecting portion is provided with a liquid storage portion connecting port and a heat exchange portion connecting port, an outlet of the liquid storage portion is in communication with the liquid storage portion connecting port, the heat exchange portion connecting port is in communication with an inlet of the plate heat exchange assembly, and the liquid storage portion connecting port is in communication with the heat exchange portion connecting port. The thermal management assembly according to the present application includes the liquid storage portion and the plate heat exchange assembly, the thermal management assembly is provided with a first connecting port, a second connecting port and a third connecting port, the liquid storage portion is integrated to an integral unit based on the plate heat exchange assembly, and multiple connecting ports which are connected to the system are provided, resulting in a more compact structure. The thermal management assembly is configured as an integrated structure when being assembled with a system, only pipelines of the system needs to be connected to the corresponding structures, which has a convenient assembly. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic perspective view of a first embodiment of a thermal management assembly viewed from one perspective;FIG. 2 is a schematic perspective view of the first embodiment of the thermal management assembly viewed from another perspective;FIG. 3 is a schematic top view of the first embodiment of the thermal management assembly;FIG. 4 is a schematic perspective view of a connecting portion of the thermal management assembly in FIG. 1 viewed from one perspective;FIG. 5 is a schematic cross-sectional view of the connecting portion of the thermal management assembly in FIG. 1;FIG. 6 is a schematic perspective view of a second embodiment of the thermal management assemb