CN112431946B

CN112431946B - Fluid control assembly and thermal management system

Info

Publication number: CN112431946B
Application number: CN202011069200.4A
Authority: CN
Inventors: 董海锋; 董军启
Original assignee: Sanhua Holding Group Co Ltd
Current assignee: Sanhua Holding Group Co Ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2023-05-16
Anticipated expiration: 2040-09-30
Also published as: CN112431946A

Abstract

The application discloses a fluid control assembly, including the base, the base has first interface, second interface, third interface, fourth interface, first runner and second runner, first runner can communicate first interface and second interface, second runner can communicate third interface and fourth interface, the fluid control assembly includes first valve member and second valve member; the first valve member comprises a first adjusting part and a first valve core, the first adjusting part can drive the first valve core to move relative to the base so as to throttle fluid in the first flow passage, the second valve member comprises a second adjusting part and a second valve core, the second adjusting part can drive the second valve core to move relative to the base so as to control the conduction or the cutoff of the second flow passage, and at least part of the first adjusting part and the second adjusting part are positioned on the same side of the base, so that the miniaturization of the fluid control assembly is facilitated.

Description

Fluid control assembly and thermal management system

Technical Field

The present disclosure relates to thermal management, and more particularly to a fluid control assembly and a thermal management system.

Background

In the related art, as shown in fig. 21, a flow control valve comprises an electronic expansion valve 33, an electromagnetic valve 32 and a valve seat 31, wherein the electronic expansion valve 33 and the electromagnetic valve 32 are mounted on the valve seat 31, the electronic expansion valve 33 comprises a first valve core 332, a first adjusting piece 331 and a first valve port 339, the first adjusting piece 331 is enclosed on the outer side of the first valve core 332, the first adjusting piece 331 can drive the first valve core 332 to move relative to the first valve port 339 so as to control the opening of the first valve port 339, the electromagnetic valve 32 comprises a second adjusting piece 321 and a second valve core 322, the second adjusting piece 321 is enclosed on the outer side of the second valve core 322, the second adjusting piece 321 can drive the second valve core 332 to move relative to the valve seat 31, and then the conduction and the cut-off of a flow passage in the valve seat 31 are controlled. In the related art, the first regulating member 331 is located at the upper side of the valve seat 31, and the second regulating member 321 is located at the left side of the valve seat 31, which increases the longitudinal dimension of the flow control valve, which is disadvantageous in miniaturization of the flow control valve.

Disclosure of Invention

In view of the foregoing problems with the related art, the present application provides a fluid control assembly and a thermal management system.

In order to achieve the above purpose, the present application adopts the following technical scheme: a fluid control assembly comprising a base having a first interface, a second interface, a third interface, and a fourth interface, the base having a first flow passage and a second flow passage, the first flow passage being capable of communicating the first interface with the second interface, the second flow passage being capable of communicating the third interface with the fourth interface, the fluid control assembly comprising a first valve member and a second valve member, the first valve member and the second valve member being mounted to the base;

the first valve member comprises a first adjusting member and a first valve core, the first adjusting member can drive the first valve core to move relative to the base so as to throttle fluid in the first flow channel, the second valve member comprises a second adjusting member and a second valve core, the second adjusting member can drive the second valve core to move relative to the base so as to control the conduction or cutoff of the second flow channel, and at least part of the first adjusting member and the second adjusting member are located on the same side of the base.

The present application also provides a thermal management system comprising a refrigerant cycle circuit comprising a compressor, a first heat exchanger, a second heat exchanger, a third heat exchanger, and a fluid control assembly of any one of the claims, the fluid control assembly having a first interface, a second interface, a third interface, a fourth interface, a fifth interface, a sixth interface, a seventh interface, an eighth interface, a ninth interface, and a tenth interface;

the outlet of the compressor is communicated with a seventh interface, the seventh interface is communicated with a sixth interface, the seventh interface is communicated with an eighth interface, the sixth interface is communicated with a first port of the first heat exchanger, the eighth interface is communicated with a first port of the second heat exchanger, a second port of the first heat exchanger is communicated with a second interface, a second port of the second heat exchanger is communicated with a fifth interface, the second interface is communicated with the first interface, the fifth interface is communicated with the first interface, the first interface is communicated with a ninth interface, the ninth interface is communicated with a first port of the third heat exchanger, the second port of the third heat exchanger is communicated with a fourth interface, the fourth interface is communicated with a third interface, the third interface is communicated with a tenth interface, and the tenth interface is communicated with an inlet of the compressor.

The first adjusting piece and the second adjusting piece are located on the same side of the base, so that the longitudinal size of the fluid control assembly can be reduced, and miniaturization of the fluid control assembly is facilitated.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of a fluid control assembly of the present application;

FIG. 2 is a schematic perspective view of an embodiment of a fluid control assembly of the present application from another perspective;

FIG. 3 is an exploded schematic view of an embodiment of a fluid control assembly of the present application;

FIG. 4 is a schematic perspective view of a base and a first cover of an embodiment of a fluid control assembly of the present application;

FIG. 5 is an exploded schematic view of a gas-liquid separator of an embodiment of a fluid control assembly of the present application;

FIG. 6 is a schematic cross-sectional view of a gas-liquid separator of an embodiment of a fluid control assembly of the present application;

FIG. 7 is an exploded schematic view of another gas-liquid separator of an embodiment of a fluid control assembly of the present application;

FIG. 8 is a schematic top view of an embodiment of a fluid control assembly of the present application;

FIG. 9 is a schematic side view of an embodiment of a fluid control assembly of the present application;

FIG. 10 is a schematic cross-sectional view of an embodiment of a fluid control assembly of the present application taken along line A-A of FIG. 8

FIG. 11 is a schematic cross-sectional view of the base, first cap and valve member of one embodiment of the fluid control assembly of the present application taken along line A-A of FIG. 8;

FIG. 12 is an enlarged schematic view of the portion of circle A in FIG. 11;

FIG. 13 is a schematic cross-sectional view taken along line B-B of FIG. 8 of an embodiment of a fluid control assembly of the present application;

FIG. 14 is a schematic cross-sectional view of an embodiment of a fluid control assembly of the present application taken along line C-C of FIG. 9;

FIG. 15 is a schematic cross-sectional view of an embodiment of a fluid control assembly of the present application taken along line D-D of FIG. 8;

FIG. 16 is a schematic cross-sectional view of an embodiment of a fluid control assembly of the present application, taken in the reverse direction along line C-C of FIG. 9;

FIG. 17 is a schematic illustration of a connection in a first mode of operation of a flow path switching assembly of an embodiment of a fluid control assembly of the present application;

FIG. 18 is a schematic illustration of a connection in a second mode of operation of a flow path switching assembly of an embodiment of a fluid control assembly of the present application;

FIG. 19 is a schematic diagram illustrating the connection of an embodiment of a thermal management system of the present application, wherein the direction indicated by the arrow is the direction of refrigerant flow, when the thermal management system is in a heating mode;

FIG. 20 is a schematic diagram illustrating the connection of an embodiment of a thermal management system of the present application, wherein the direction indicated by the arrow is the direction of refrigerant flow, when the thermal management system is in a cooling mode;

fig. 21 is a schematic diagram of a flow control valve in the background of the application.

In the accompanying drawings:

100. a fluid control assembly;

10. a gas-liquid separation member; 11. a first cylinder; 12. a gas-liquid separation unit; 121. a first cavity; 13. an interlayer space; 14. a ninth interface; 15. a tenth interface; 16. a second cover; 17. a second cylinder; 18. a gas-liquid distribution assembly; 19. a gas outlet;

20. a heat exchange member; 21. collecting pipes; 22. a flat tube; 23. a heat exchange tube; 24. a flow channel; 25. a first connection pipe;

31. a first cover; 311. a second channel; 312. a third end; 313. a fourth end; 314. a third channel; 315. a fifth end; 316. a sixth end; 32. a base; 33. a first flow passage; 331. a first interface; 332. a second interface; 34. a second flow passage; 341. a third interface; 342. a fourth interface; 35. a third flow passage; 351. a fifth interface; 36. a fourth flow passage; 361. a sixth interface; 37. a fifth flow passage; 371. a seventh interface; 38. a sixth flow passage; 39. a first channel; 391. a first end; 392. a second end; 393. an eighth interface;

41. a first valve member; 411. a first adjustment member; 412. a first valve core; 413. a first valve port; 414. a housing; 415. a coil; 42. a second valve member; 421. a second adjusting member; 422. a second valve core; 43. a third valve member; 431. a third adjustment member; 432. a third valve core; 433. a third valve port; 44. a fourth valve member; 441. a fourth adjustment member; 442. a fourth spool 442; 45. a fifth valve element; 451. a fifth adjusting member; 452. a fifth valve element; 46. a sixth valve member; 461. a sixth adjustment member; 462. a sixth spool;

1. A compressor; 2. a first heat exchanger; 2a, a first port of a first heat exchanger; 2b, a second port of the first heat exchanger; 3. a second heat exchanger 3;3a, a first port of a second heat exchanger; 3b, a second port of the second heat exchanger; 4. a third heat exchanger; 4a, a first port of a third heat exchanger; 4b, a second port of the third heat exchanger.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as detailed in the accompanying claims.

The terminology used in the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the terms first, second and the like used in the description and the claims do not denote any order, quantity or importance, but rather are used to distinguish one element from another. Likewise, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one; "plurality" means two and more than two. Unless otherwise indicated, the terms "front," "rear," "lower," and/or "upper" and the like are merely for convenience of description and are not limited to one location or one spatial orientation. The word "comprising" or "comprises", and the like, means that elements or items appearing before "comprising" or "comprising" are encompassed by the element or item recited after "comprising" or "comprising" and equivalents thereof, and that other elements or items are not excluded.

The fluid control assembly 100 of the exemplary embodiments of the present application is described in detail below with reference to the accompanying drawings. The features of the examples and embodiments described below may be supplemented or combined with one another without conflict.

According to one embodiment of the present application, as shown in fig. 1-20, a fluid control assembly 100 includes a base 32, a first cover 31, a gas-liquid separation member 10, and a heat exchange member 20.

As shown in fig. 8 to 12, the base 32 has a first port 331 and a second port 332, the base 32 has a first flow channel 33 (shown by a dotted line in fig. 11), and the first port 331 and the second port 332 are located at opposite ends of the length direction of the first flow channel 33. In some embodiments, the first flow channel 33 is disposed in a curved manner in the base 32, the first port 331 and the second port 332 are located on different sides of the base 32, the first port 331 is located at a lower end of the base 32, and the second port 332 is located at a side end of the base 32. In other alternative embodiments, the first interface 331 and the second interface 332 are located on the same side of the base 32, and the positions of the first interface 331 and the second interface 332 are not limited in this application.

As shown in fig. 8-12, the fluid control assembly 100 further includes a first valve member 41, the first valve member 41 being mounted to the base 32. In some embodiments, as shown in fig. 8 to 12, the first valve element 41 is an electronic expansion valve, the first valve element 41 includes a first adjusting element 411 and a first valve element 412, the first adjusting element 411 is disposed on the periphery of the first valve element 412, the first adjusting element 411 includes a coil 415 and a housing 414, the housing 414 has an inner cavity, and the coil 415 is located inside the housing 414. The fluid control assembly 100 further includes a first valve portion 413, where the first valve portion 413 is located in the first flow channel 33, and when the coil 415 is energized, the coil 415 can generate a magnetic field, and the first valve element 412 can move along the length direction of the first valve element 412 relative to the first valve portion 413 under the action of the magnetic field, so as to control the valve opening of the first valve portion 413, and further throttle the fluid in the first flow channel 33.

In other alternative embodiments, the first valve element 41 may be a thermal expansion valve, the first valve element 41 includes a first adjusting element 411 and a second valve element 412, the first adjusting element 41 is disposed at a top end of the second valve element 412, the first adjusting element 411 is a power head, and the power head can drive the second valve element 412 to move along a length direction of the second valve element relative to the base 32, so as to throttle the fluid in the first flow channel 33. In the present application, the type of the first valve element 41 is not limited to this, as long as it can function to throttle the fluid in the first flow passage 33.

As shown in fig. 1, 14 and 15, the base 32 has a second flow channel 34 (shown by a dotted line in fig. 14), a third interface 341 and a fourth interface 342, the third interface 341 and the fourth interface 342 are located at opposite ends of the second flow channel 34 in the length direction, and the second flow channel 34 can communicate the third interface 341 and the fourth interface 342. The first flow passage 33 and the second flow passage 34 are not in communication with each other. In some implementations, the second fluid passage 34 is disposed in a curved manner within the base 32, the third interface 341 and the fourth interface 342 are located on different sides of the base 32, the third interface 341 is located at a lower end of the base 32, and the second interface 332 is located at a lateral end of the base 32. In other alternative embodiments, the third interface 341 and the fourth interface 342 are located on the same side of the base 32, and the positions of the third interface 341 and the fourth interface 342 are not limited in this application.

As shown in fig. 15, the fluid control assembly 100 further includes a second valve member 42, the second valve member 42 being mounted to the base 32. As shown in fig. 15, the second valve element 42 may be an electronic expansion valve, the second valve element 42 includes a second adjusting element 421 and a second valve element 422, the second adjusting element 421 is disposed on the outer periphery of the second valve element 422, and the second adjusting element 421 can drive the second valve element 422 to move along the length direction of the second valve element 422 relative to the base 32, so as to control the conduction and cutoff of the second flow channel 34. In alternative embodiments, the second valve member 42 may be a solenoid valve, and the type of the second valve member 42 is not limited in this application, so long as the second valve member can control the conduction and interception of the second flow channel 34.

As shown in fig. 1-3, the first adjustment member 411 and the second adjustment member 421 are located on the same side of the base 32, which facilitates miniaturization of the fluid control assembly 100. In other alternative embodiments, the base 32 may be provided with an adjusting member mounting cavity, a portion of the adjusting member is located in the adjusting member mounting cavity, and a portion of the adjusting member is located outside the base 32, that is, a portion of the first adjusting member 411 and a portion of the second adjusting member 412 are located on the same side of the base 32, where the positions of the first adjusting member 411 and the second adjusting member 412 are not limited in this application, so long as the first adjusting member 411 and the second adjusting member 421 are located at least partially on the same side of the base 32.

In some embodiments, the first and

second adjustment members

411, 421 are located on the upper side of the base 32, which may reduce the longitudinal dimension of the fluid control assembly 100, and in addition, the first and

second adjustment members

411, 421 are located on the upper side of the base 32 to facilitate improved durability of the first and

second valve members

41, 42. In alternative other embodiments, the first adjusting member 411 and the second adjusting member 421 may be located on the left side or the lower side of the base 32, where the positions of the first adjusting member 411 and the second adjusting member 421 are not limited to this, so long as the first adjusting member 411 and the second adjusting member 421 are at least partially located on the same side of the base 32.

As shown in fig. 8 and 13, the fluid control assembly 100 includes a third flow channel 35 (shown by a dotted line in fig. 13) and a fifth interface 351, the first interface 331 and the fifth interface 351 are located at opposite sides of the third flow channel 35 in the length direction, and the first flow channel 33 can communicate the first interface 331 and the fifth interface 351. The first flow passage 33 and the third flow passage 35 can communicate, the first port 331 can communicate with the second port 332, and the first port 331 can communicate with the fifth port 351.

In some embodiments, the fluid control assembly 100 further includes a third valve member 43, the third valve member 43 being mounted to the base 32. In some embodiments, as shown in fig. 13, the third valve 43 may be an electronic expansion valve, the third valve 43 includes a third adjusting member 431 and a third valve core 432, the third adjusting member 431 is disposed on the periphery of the third valve core 432, and the third adjusting member 431 can drive the third valve core 432 to move along the length direction of the third valve core 432 relative to the base 32, so as to control the flow rate of the fluid in the third flow channel 35. In other alternative embodiments, the third valve element 43 may be a thermal expansion valve, and the type of the third valve element 43 is not limited in this application, as long as the fluid in the third flow passage 35 can be throttled.

In some embodiments, as shown in fig. 1 and 14-16, the base 32 has a sixth interface 361 and a fourth flow channel 36 (shown by a dashed line in fig. 14), the sixth interface 361 and the third interface 341 are located at opposite ends of the fourth flow channel 36 along the length direction, and the fourth flow channel 36 can communicate the sixth interface 361 and the third interface 341. In some embodiments, the fluid control assembly 100 further includes a fourth valve member 44, the fourth valve member 44 being mounted to the base 32. The fourth valve element 44 includes a fourth adjusting element 441 and a fourth valve element 442, where the fourth adjusting element 441 is disposed on the outer periphery of the fourth valve element 442, and the fourth adjusting element 441 can drive the fourth valve element 442 to move relative to the base 32, so as to control the conduction or cutoff of the fourth flow channel 36.

In some embodiments, as shown in fig. 1 and 14-16, the base 32 further has a seventh interface 371 and a fifth channel 37 (shown by a dashed line in fig. 14), the seventh interface 371 and the fourth interface 342 are located at opposite ends of the length direction of the fifth channel 37, and the fifth channel 37 can communicate the seventh interface 371 and the fourth interface 342. In some embodiments, the fluid control assembly 100 further includes a fifth valve element 45, where the fifth valve element 45 is mounted on the base 32, the fifth valve element 45 has the same structure as the second valve element 42, the fifth valve element 45 includes a fifth adjusting element 451 and a fifth valve element 452, the fifth adjusting element 451 is disposed on the periphery of the fifth valve element 452, and the fifth adjusting element 451 can drive the fifth valve element 452 to move relative to the base 32, so as to control the conduction or interruption of the fourth flow channel 36.

In some embodiments, as shown in fig. 1 and 14-16, the base 32 has a sixth flow channel 38 (shown by a dashed line in fig. 14), the sixth flow channel 38 is capable of communicating the sixth interface 361 with the seventh interface 371, the fluid control assembly 100 further includes a sixth valve element 46, the sixth valve element 46 is mounted on the base 32, the sixth valve element 46 has the same structure as the second valve element 42, the sixth valve element 46 includes a sixth adjusting element 461 and a sixth valve element 462, the sixth valve element 46 includes the sixth adjusting element 461 and the sixth valve element 462, the sixth adjusting element 461 is disposed on a periphery of the sixth valve element 462, and the sixth adjusting element 461 is capable of enabling the sixth valve element 462 to move relative to the base 32, thereby controlling the conduction or interruption of the sixth flow channel 38.

In the present embodiment shown in fig. 14 and 15, the second flow passage 34, the third flow passage 35, the fifth flow passage 37 and the sixth flow passage 38 can be mutually communicated, but the individual second flow passage 34, the third flow passage 35, the fifth flow passage 37 and the sixth flow passage 38 are respectively controlled to be conducted and cut off by the second valve member 42, the fourth valve member 44, the fifth valve member 45 and the sixth valve member 46. That is, the seventh port 371 may communicate with the fourth port 342 and the sixth port 361 or with the third port 341, but when the seventh port 371 communicates with the third port 341, it is necessary that both the fifth flow passage 37 and the second flow passage 34 are in a conductive state or both the sixth flow passage 38 and the fourth flow passage 36 are in a conductive state.

In some embodiments, the second, fourth, fifth, and

sixth valve elements

42, 44, 45, 46 combine with the base 32 to form a flow path switching assembly having a flow path switching function, the fluid control assembly 100 including a flow path switching assembly. The flow path switching unit has a third port 341, a fourth port 342, a sixth port 361, a seventh port 371, a second flow path 34, a fourth flow path 36, a fifth flow path 37, and a sixth flow path 38. The flow path switching assembly may include a first mode of operation and a second mode of operation. Fig. 17 is a schematic connection diagram of the flow path switching assembly in the first operation mode, and fig. 18 is a schematic connection diagram of the flow path switching assembly in the second operation mode.

In a first mode of operation: the second valve member 42 is connected to the second flow passage 34, the sixth valve member 46 is connected to the sixth flow passage 38, the fourth valve member 44 is connected to the fourth flow passage 36, the fifth valve member 45 is connected to the fifth flow passage 37, the third port 341 is connected to the fourth port 342, and the sixth port 361 is connected to the seventh port 371. In the second operation mode, the second valve member 42 closes the second flow passage 34, the sixth valve member 46 closes the sixth flow passage 38, the fourth valve member 44 opens the fourth flow passage 36, the fifth valve member 45 opens the fifth flow passage 37, the third port 341 communicates with the sixth port 361, and the fourth port 342 communicates with the seventh port 371. In alternative other embodiments, the flow path switching assembly may also include other working modes, such as the second valve member 42 is connected to the second flow channel 34, the fifth valve member 45 is connected to the fifth flow channel 37, and the third interface 341 is communicated with the seventh interface 371.

In some embodiments, as shown in fig. 14-16, the fourth valve element 44, the fifth valve element 45, and the sixth valve element 46 may be electronic expansion valves. In alternative embodiments, the fourth valve element 44, the fifth valve element 45 and the sixth valve element 46 may be solenoid valves, and the types of the fourth valve element 44, the fifth valve element 45 and the sixth valve element 46 are not limited in this application, so long as they can perform the functions of conducting and blocking the flow passage.

In some embodiments, the first adjustment member 411, the second adjustment member 421, the third adjustment member 431, the fourth adjustment member 441, the fifth adjustment member 451, and the sixth adjustment member 461 are located on the same side of the base 32. In other alternative embodiments, the base 32 is provided with an adjusting member mounting cavity, a portion of the adjusting member is located in the adjusting member mounting cavity, a portion of the adjusting member is located outside the base 32, that is, a portion of the first adjusting member 411, a portion of the second adjusting member 421, a portion of the third adjusting member 431, a portion of the fourth adjusting member 441, a portion of the fifth adjusting member 451 and a portion of the sixth adjusting member 461 are located on the same side of the base 32, and the location of the adjusting member is not limited in this application, so long as the first adjusting member 411, the second adjusting member 421, the third adjusting member 431, the fourth adjusting member 441, the fifth adjusting member 451 and the sixth adjusting member 461 are located on the same side of the base 32.

In some embodiments, the first, second, third, fourth, fifth and

sixth adjustment members

411, 421, 431, 441, 451, 461 are located on the upper side of the base 32, which is advantageous for improving the durability of the first, second, third, fourth, fifth and

sixth valve members

41, 42, 43, 44, 45, 46. In alternative other embodiments, the first, second, third, fourth, fifth, and

sixth adjustment members

411, 421, 431, 441, 451, 461 may be located on the underside or left side of the base 32. In alternative other embodiments, the first adjusting member 411 and the second adjusting member 421 are located on one side of the base 32, and the third adjusting member 431, the fourth adjusting member 441, the fifth adjusting member 451 and the sixth adjusting member 461 are located on the other side of the base 32.

In some embodiments, the length direction of the first spool 412, the length direction of the second spool 422, the length direction of the third spool 432, the length direction of the fourth spool 442, the length direction of the fifth spool 452, and the length direction of the sixth spool 462 are parallel to each other, and the length direction of the first spool 412 is parallel to the thickness direction of the base 32. Such an arrangement is advantageous in reducing installation difficulties and, in addition, in reducing the risk of leakage between the spool and the base 32.

In some embodiments, as shown in fig. 9 and 14, the base 32 has an eighth port 393 and a first channel 39 (shown in dashed lines in fig. 14), the first channel 39 has a first end 391 and a second end 392, the first end 391 and the second end 392 are located at opposite ends of the first channel 39 in a length direction, the eighth port 393 is located at the first end 391 of the first channel 39, the second end 392 intersects the fourth flow channel 36, and the second end 392 intersects the sixth flow channel 38. That is, the first passage 39 may communicate with the fourth flow passage 36, the first passage 39 may communicate with the sixth flow passage 38, the eighth port 393 may communicate with the sixth port 361, the eighth port 393 may communicate with the third port 341, and the eighth port 393 may communicate with the seventh port 371.

In some embodiments, as shown in fig. 3-11, the fluid control assembly 100 further includes a first cover 31. The first cover 31 is connected to the base 32, and in particular, in some embodiments, the first cover 31 and the base 32 may be integrally formed, which is beneficial for manufacturing and assembling. In alternative embodiments, the first cover 31 and the base 32 may be fixedly connected by welding, bonding, or the like.

In some embodiments, the materials used to fabricate the base 32 and the first cover 31 may be aluminum, which is advantageous for the weight reduction of the fluid control assembly 100. In alternative embodiments, the materials of the base 32 and the first cover 31 may be other materials such as steel and iron, and the materials of the base 32 and the first cover 31 are not limited in this application.

In some embodiments, as shown in fig. 3 to 11, the fluid control assembly 100 further includes a gas-liquid separation member 10, and the gas-liquid separation member 10 includes a first cylinder 11, a gas-liquid separation portion 12, and a second cover 16. The gas-liquid separation portion 12 is located inside the first cylinder 11, and the first cover 31 and the second cover 16 are respectively provided at opposite ends of the first cylinder 11 in the longitudinal direction. The gas-liquid separation part 12 comprises a second cylinder 17 and a gas-liquid distribution assembly 18, wherein a first cavity 121 is formed in the second cylinder 17, and the gas-liquid distribution assembly 18 is partially positioned in the first cavity 121. The first cylinder 11 is enclosed outside the second cylinder 17, an interlayer space 13 is formed between the first cylinder 11 and the second cylinder 17, and the interlayer space 13 is communicated with the first cavity 121.

In some embodiments, as shown in fig. 4 and 15, the first cover 31 has a second channel 311, the second channel 311 has a third end 312 and a fourth end 313, the third end 312 and the fourth end 313 are located at opposite ends of the second channel 311 in the length direction, the third end 312 is closer to the gas-liquid separation portion 12 than the fourth end 313, the third end 312 is in communication with the first cavity 121, and the fourth end 313 is in direct communication with the third interface 341. I.e. fluid flowing in from the fourth port 342 or the sixth port 361 may enter the first cavity 121.

In some embodiments, as shown in fig. 15, the upper end of the gas-liquid separation portion 12 is directly inserted into the third end 312 of the second channel 311 to achieve communication of the second channel 311 with the first cavity 121. In other alternative embodiments, the upper end of the gas-liquid separation portion 12 may be sleeved with a connection tube, and the upper end of the connection tube may be directly inserted into the second channel 311, so as to implement communication between the second channel 311 and the first cavity 121.

In some embodiments, the third end 312 of the second channel 311 is located at the lower end of the first cover 31, and the fourth end 313 is located at the upper end of the first cover 31. In an alternative embodiment, the second channel 311 is bent inside the first cover 31, the third end 312 of the second channel 311 is located at the lower end of the first cover 31, the fourth end 313 of the second channel 311 is located at the side end of the first cover 31, and one end of the base 32 is connected to the side end of the first cover 31, where the positions of the third end 312 and the fourth end 313 of the second channel 311 are not limited in this application.

In some embodiments, as shown in fig. 5-7, the fluid control assembly 100 further includes a heat exchange member 20, the heat exchange member 20 being positioned in the sandwich space 13, the heat exchange member 20 having a flow-through channel 24.

In some embodiments, as shown in fig. 5 and 6, the heat exchange member 20 includes a flat tube 22 and two collecting tubes 21, the collecting tubes 21 extend along the length direction of the first cylinder 11, the flat tube 22 is disposed around the second cylinder 17, the two collecting tubes 21 are respectively fixed at two ends of the flat tube 22 in the surrounding direction, and the inner cavity of the collecting tube 21 is communicated with the inner cavity of the flat tube 22. The flow channel 24 refers to a flow path between the fluid entering the heat exchange member 20 and the fluid exiting the heat exchange member 20, that is, the flow channel 24 comprises an inner cavity of the collecting pipe 21 and an inner cavity of the flat pipe 22, and two ends of the flow channel 24 are respectively located at two opposite ends of the length direction of the collecting pipe 21.

In some embodiments, as shown in fig. 7, the heat exchange member 20 includes a heat exchange tube 23, the heat exchange tube 23 is spirally wound around the second cylinder 17, the heat exchange tube 23 has an inner cavity, and the circulation channel 24 is the inner cavity of the heat exchange tube 23.

As shown in fig. 10 to 13, the first cover 31 has a third channel 314, the third channel 314 has a fifth end 315 and a sixth end 316, the fifth end 315 and the sixth end 316 are located at opposite ends of the third channel 314 in the length direction, the fifth end 315 is closer to the heat exchange member 20 than the sixth end 316, the fifth end 315 is in communication with the flow channel 24, and the sixth end 316 is in direct communication with the first interface 331. In some embodiments, the upper end of the header 21 or the heat exchange tube 23 is inserted directly into the third channel 314 to effect communication of the fifth end 315 of the third channel 314 with the flow-through channel 24. In alternative other embodiments, the upper end of the header 21 or the upper end of the heat exchange tube 23 is sleeved with the first connection tube 25, and an end portion of the first connection tube 25 away from the header 21 or the heat exchange tube 23 is inserted into the third channel 314, so as to realize communication between the circulation channel 24 and the fifth end 315 of the third channel 314. In an alternative other embodiment, the third channel 314 penetrates the first cover 31, the third channel 314 is bent inside the first cover 31, the fifth end 315 of the third channel 314 is located at the lower end of the first cover 31, the sixth end 316 of the third channel 314 is located at the side end of the first cover 31, and one end of the base 32 is connected to the side end of the first cover 31. In the present application, the positions of the fifth end 315 and the sixth end 316 of the third channel 314 are not limited thereto.

The fourth end 313 of the second channel 311 is in direct communication with the third port 341, which reduces the arrangement of connecting lines between the second channel 311 and the third port 341. The sixth end 316 of the third channel 314 is in direct communication with the first port 331, which reduces the amount of piping connecting the third channel 314 to the first port 331.

In some embodiments, as shown in fig. 6, 10 and 15, the second cover 16 has a ninth port 14 and a tenth port 15, the ninth port 14 is in communication with the flow channel 24, i.e., the ninth port 14 is in communication with the first port 331, and the tenth port 15 is in communication with the first cavity 121, i.e., the tenth port 15 is in communication with the third port 341. The gas-liquid separation portion 12 has a gas outlet 19, and the gas outlet 19 is located at an upper portion of the gas-liquid separation portion 12. The refrigerant in the form of gas-liquid two phases flows into the first cavity 121 from the third interface 341, wherein the liquid refrigerant flows along the inner wall of the second cylinder 17 to the lower part of the first cavity 121, the gaseous refrigerant flows out from the gas outlet 19 through the gas-liquid distribution assembly 18, enters the interlayer space 13, exchanges heat with the refrigerant in the heat exchange member 20, and finally flows out from the tenth interface 15.

The fluid control assembly 100 of the above-described embodiments may be applied to a thermal management system, such as a vehicle thermal management system, a home thermal management system, or a commercial thermal management system.

In the present embodiment, as shown in fig. 19 and 20, the thermal management system includes a refrigerant circulation circuit including a compressor 1, a first heat exchanger 2, a second heat exchanger 3, a third heat exchanger 4, and a fluid control assembly 100, the fluid control assembly 100 having a first interface 331, a second interface 332, a third interface 341, a fourth interface 342, a fifth interface 351, a sixth interface 361, a seventh interface 371, an eighth interface 393, a ninth interface 14, and a tenth interface 15;

the outlet of the compressor 1 is in communication with a seventh interface 371, the seventh interface 371 is capable of communicating with a sixth interface 361, the seventh interface 371 is capable of communicating with an eighth interface 393, the sixth interface 361 is in communication with a first port (2 a) of the first heat exchanger 2, the eighth interface 393 is in communication with a first port (3 a) of the second heat exchanger 3, a second port (2 b) of the first heat exchanger 2 is in communication with a second interface 332, a second port (3 b) of the second heat exchanger 3 is in communication with a fifth interface 351, the second interface 332 is capable of communicating with a first interface 331, the fifth interface 351 is capable of communicating with a first interface 331, the first interface 331 is in communication with a ninth interface 14, the ninth interface 14 is in communication with a first port (4 a) of the third heat exchanger 4, the fourth interface 342 is capable of communicating with a third interface 341, the third interface 341 is in communication with a tenth interface 15, and the tenth interface 15 is in communication with an inlet of the compressor 1.

The thermal management system includes a heating mode and a cooling mode. In this embodiment, fig. 19 is a heating mode of the thermal management system, and fig. 20 is a cooling mode of the thermal management system.

In the heating mode: the refrigerant discharged from the outlet of the compressor 1 enters the fluid control assembly 100 through the seventh port 371, the sixth valve element 46 is opened, the fifth valve element 45 is closed, the refrigerant is divided into two paths, one path flows through the sixth port 361 to the first port 2a of the first heat exchanger 2, the other path flows into the first channel 39 and flows out of the eighth port 393, after heat exchange is released between the refrigerant flowing through the first heat exchanger 2 and the air flow in the first heat exchanger 2, the refrigerant flows out of the second port 2b of the first heat exchanger 2, enters the first flow channel 33 through the second port 332 and is throttled by the first valve element 41, the other path of refrigerant flowing out of the eighth port 393 flows to the first port 3a of the second heat exchanger 3, flows out of the second port 3b of the second heat exchanger 3 after flowing through the second heat exchanger 3, flows through the fifth port 351 to the third flow channel 35 and is throttled by the third valve element 43, the refrigerant throttled by the first valve element 41 merges with the refrigerant throttled by the third valve element 43, flows to the heat exchange element 20 through the first port 331, flows out of the ninth port 14 to the first port 4a of the third heat exchanger 4, exchanges heat with the air flow in the third heat exchanger 4, flows out of the second port 4b of the third heat exchanger 4, enters the fluid control assembly 100 through the fourth port 342, opens the second valve element 42, closes the fourth valve element 44, flows to the gas-liquid separation element 10 through the third port 341, flows to the heat exchange element 20 after flowing through the gas-liquid separation element 10, exchanges heat with the refrigerant throttled by the first valve element 41 and the third valve element 43 in a downstream manner in the heat exchange element 20, and flows into the inlet of the compressor 1 from the tenth port 15 to complete a heating cycle.

In the cooling mode: the refrigerant discharged from the outlet of the compressor 1 enters the fluid control assembly 100 through the seventh port 371, the fifth valve element 45 is opened, the sixth valve element 46 is closed, the refrigerant flows into the second port 4b of the third heat exchanger 4 through the fourth port 342, flows out of the first port 4a of the third heat exchanger 4 after heat exchange with the air flow in the third heat exchanger 4, flows into the heat exchange member 20 through the ninth port 14, the second valve element 42 is closed, the refrigerant flows into the first flow passage 33 through the first port 331, flows out of the second port 332 after throttling through the first valve element 41, flows into the second port 2b of the first heat exchanger 2, flows out of the first port 2a of the first heat exchanger 2 after heat exchange with the air flow in the first heat exchanger 2, flows into the fluid control assembly 100 through the sixth port 361, the fourth valve element 44 is opened, the second valve element 42 is closed, the refrigerant flows out of the third port 341 and flows into the gas-liquid separation member 10, flows into the heat exchange member 20 after countercurrent flow into the first port 4a of the third heat exchanger 4, and flows into the first port 15 after heat exchange with the first port 1 in the heat exchange member 20, and the compression cycle is completed.

In some embodiments, when the fluid control assembly 100 is applied to a thermal management system, the length direction of the first valve element 412, the length direction of the second valve element 422, the length direction of the third valve element 432, the length direction of the fourth valve element 442, the length direction of the fifth valve element 452, and the length direction of the sixth valve element 462 are parallel to each other and the direction of gravity, and the first, second, third, fourth, fifth, and

sixth adjustment elements

411, 421, 431, 441, 451, 461 are positioned on the upper side of the base 32, such arrangement is advantageous for improving the durability of the first, second, third, fourth, fifth, and

sixth valve elements

41, 42, 43, 44, 45, 46. In alternative other embodiments, the length of the first spool 412, the length of the second spool 422, the length of the third spool 432, the length of the fourth spool 442, the length of the fifth spool 452, and the length of the sixth spool 462 may be at an angle to the direction of gravity. In alternative other embodiments, the length direction of the first valve element 412, the length direction of the second valve element 422, the length direction of the third valve element 432, the length direction of the fourth valve element 442, the length direction of the fifth valve element 452, and the length direction of the sixth valve element 462 are parallel to each other and the gravity direction, and the first adjusting member 411, the second adjusting member 421, the third adjusting member 431, the fourth adjusting member 441, the fifth adjusting member 451, and the sixth adjusting member 461 are located at the lower side of the base 32. In alternative other embodiments, the base 32 has an adjustment member mounting cavity with a portion of the adjustment member located in the adjustment member mounting cavity and another portion of the adjustment member located outside of the base 32, and a portion of the first adjustment member 411, a portion of the second adjustment member 421, a portion of the third adjustment member 431, a portion of the fourth adjustment member 441, a portion of the fifth adjustment member 451, and a portion of the sixth adjustment member 461 located on the upper side of the base 32.

The foregoing description is only a preferred embodiment of the present application, and is not intended to limit the invention to the particular embodiment disclosed, but is not intended to limit the invention to the particular embodiment disclosed, as the equivalent of some alterations or modifications can be made without departing from the scope of the present application.

Claims

1. A fluid control assembly (100) comprising a base (32), the base (32) having a first port (331), a second port (332), a third port (341) and a fourth port (342), the base (32) having a first flow passage (33) and a second flow passage (34), the first flow passage (33) being capable of communicating the first port (331) with the second port (332), the second flow passage (34) being capable of communicating the third port (341) with the fourth port (342), the fluid control assembly (100) comprising a first valve member (41) and a second valve member (42), the first valve member (41) and the second valve member (42) being mounted on the base (32);

The first valve element (41) comprises a first adjusting element (411) and a first valve element (412), the first adjusting element (411) can drive the first valve element (412) to move relative to the base (32) so as to throttle fluid in the first flow channel (33), the second valve element (42) comprises a second adjusting element (421) and a second valve element (422), the second adjusting element (421) can drive the second valve element (422) to move relative to the base (32) so as to control the conduction or cutoff of the second flow channel (34), and the first adjusting element (411) and the second adjusting element (421) are at least partially positioned on the same side of the base (32); the base (32) is provided with a fifth interface (351) and a third flow passage (35), the third flow passage (35) can be used for communicating the fifth interface (351) with the first interface (331), the fluid control assembly (100) further comprises a third valve element (43), the third valve element (43) is arranged on the base (32), the third valve element (43) comprises a third regulating element (431) and a third valve core (432), and the third regulating element (431) can drive the third valve core (432) to move relative to the base (32) so as to throttle fluid in the third flow passage (35);

The base (32) is further provided with a sixth interface (361) and a fourth flow passage (36), the sixth interface (361) and the third interface (341) are located at two opposite sides of the length direction of the fourth flow passage (36), the fourth flow passage (36) can be communicated with the sixth interface (361) and the third interface (341), the fluid control assembly (100) further comprises a fourth valve element (44), the fourth valve element (44) is mounted on the base (32), the fourth valve element (44) comprises a fourth adjusting element (441) and a fourth valve element (442), and the fourth adjusting element (441) can drive the fourth valve element (442) to move relative to the base (32) so as to control the conduction or the cutoff of the fourth flow passage (36).

2. The fluid control assembly (100) of claim 1, wherein,

the base (32) is further provided with a seventh interface (371) and a fifth flow passage (37), the seventh interface (371) and the fourth interface (342) are positioned on two opposite sides of the length direction of the fifth flow passage (37), the fifth flow passage (37) can be communicated with the seventh interface (371) and the fourth interface (342), the fluid control assembly (100) further comprises a fifth valve element (45), the fifth valve element (45) is mounted on the base (32), the fifth valve element (45) comprises a fifth adjusting element (451) and a fifth valve element (452), and the fifth adjusting element (451) can drive the fifth valve element (452) to move relative to the base (32) so as to control the connection or disconnection of the fifth flow passage (37);

The base (32) is provided with a sixth flow passage (38), the sixth interface (361) and the seventh interface (371) are located at two opposite sides of the length direction of the sixth flow passage (38), the sixth flow passage (38) can be communicated with the sixth interface (361) and the seventh interface (371), the fluid control assembly (100) further comprises a sixth valve element (46), the sixth valve element (46) is mounted on the base (32), the sixth valve element (46) comprises a sixth adjusting piece (461) and a sixth valve element (462), and the sixth adjusting piece (461) can enable the sixth valve element (462) to move relative to the base (32) so as to control the conduction or cutoff of the sixth flow passage (38).

3. The fluid control assembly (100) of claim 2, wherein the first adjustment member (411) is at least partially, the second adjustment member (421) is at least partially, the third adjustment member (431) is at least partially, the fourth adjustment member (441) is at least partially, the fifth adjustment member (451) is at least partially on the same side of the base (32) as the sixth adjustment member (461);

The length direction of the first valve core (412), the length direction of the second valve core (422), the length direction of the third valve core (432), the length direction of the fourth valve core (442), the length direction of the fifth valve core (452) and the length direction of the sixth valve core (462) are parallel, and the length direction of the first valve core (412) is parallel to the thickness direction of the base (32).

4. The fluid control assembly (100) of claim 2, wherein the base (32) further has an eighth port (393) and a first channel (39), the first channel (39) having a first end (391) and a second end (392), the first end (391) and the second end (392) being located at opposite ends of the length of the first channel (39), the eighth port (393) being located at the first end (391) of the first channel (39), the second end (392) intersecting the fourth flow channel, the second end (392) intersecting the sixth flow channel (38).

5. The fluid control assembly (100) according to claim 4, wherein the fluid control assembly (100) further comprises a first cover body (31) and a gas-liquid separation member (10), the first cover body (31) is connected with the base (32), the gas-liquid separation member (10) comprises a gas-liquid separation portion (12) and a first cylinder body (11), the first cover body (31) is covered at one end portion of the first cylinder body (11) in the length direction, the first cylinder body (11) is surrounded at the outer side of the gas-liquid separation portion (12), an interlayer space (13) is formed between the first cylinder body (11) and the gas-liquid separation portion (12), a first cavity (121) is formed at the inner side of the gas-liquid separation portion (12), and the first cavity (121) is communicated with the interlayer space (13).

6. The fluid control assembly (100) of claim 5, wherein the first cap (31) has a second channel (311), the second channel (311) having a third end (312) and a fourth end (313), the third end (312) and fourth end (313) being located at opposite ends of the length of the first channel (39), the third end (312) being in communication with the first cavity (121), the fourth end (313) being in direct communication with the third interface (341).

7. The fluid control assembly (100) of claim 6, wherein the fluid control assembly (100) further comprises a heat exchange member (20), the heat exchange member (20) being located in the interlayer space (13), the heat exchange member (20) having a flow-through channel (24);

the first cover body (31) is provided with a third channel (314), the third channel (314) is provided with a fifth end (315) and a sixth end (316), the fifth end (315) and the sixth end (316) are positioned at two opposite ends of the third channel (314) in the length direction, the fifth end (315) is communicated with the circulation channel (24), and the sixth end (316) is directly communicated with the first interface (331);

The gas-liquid separation piece (10) further comprises a second cover body (16), the first cover body (31) and the second cover body (16) are covered at two opposite ends of the length direction of the first cylinder body (11), the second cover body (16) is provided with a ninth interface (14) and a tenth interface (15), the ninth interface (14) is communicated with the circulation channel (24), and the tenth interface (15) is communicated with the interlayer space (13).

8. A thermal management system, characterized in that it comprises a refrigerant circulation circuit comprising a compressor (1), a first heat exchanger (2), a second heat exchanger (3), a third heat exchanger (4) and a fluid control assembly (100) according to any one of claims 1-7, the fluid control assembly (100) having a first interface (331), a second interface (332), a third interface (341), a fourth interface (342), a fifth interface (351), a sixth interface (361), a seventh interface (371), an eighth interface (393), a ninth interface (14) and a tenth interface (15);

the outlet of the compressor (1) is communicated with the seventh interface (371), the seventh interface (371) can be communicated with the sixth interface (361), the seventh interface (371) can be communicated with the eighth interface (393), the sixth interface (361) can be communicated with the first port (2 a) of the first heat exchanger (2), the eighth interface (393) is communicated with the first port (3 a) of the second heat exchanger (3), the second port (2 b) of the first heat exchanger (2) is communicated with the second interface (332), the second port (3 b) of the second heat exchanger (3) is communicated with the fifth interface (351), the second interface (332) can be communicated with the first interface (331), the fifth interface (351) can be communicated with the first interface (331), the first interface (331) is communicated with the fourth interface (14), the ninth interface (14) is communicated with the fourth interface (4), the fourth interface (4) is communicated with the fourth interface (4 b), the fourth interface (4) is communicated with the fourth interface (341), the tenth interface (15) communicates with an inlet of the compressor (1).

9. The thermal management system of claim 8, wherein when the fluid control assembly (100) is applied to the thermal management system, the first adjustment member (411) is at least partially, the second adjustment member (421) is at least partially, the third adjustment member (431) is at least partially, the fourth adjustment member (441) is at least partially, the fifth adjustment member (451) is at least partially and the sixth adjustment member (461) is at least partially positioned on an upper side of the base (32), and the length direction of the first valve element (412), the length direction of the second valve element (422), the length direction of the third valve element (432), the length direction of the fourth valve element (442), the length direction of the fifth valve element (452) and the length direction of the sixth valve element (462) are parallel to each other.