CN112431946A

CN112431946A - Fluid control assembly and thermal management system

Info

Publication number: CN112431946A
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: 2021-03-02
Anticipated expiration: 2040-09-30
Also published as: CN112431946B

Abstract

The application discloses a fluid control assembly, which comprises a base, wherein the base is provided with a first interface, a second interface, a third interface, a fourth interface, a first flow passage and a second flow passage, the first flow passage can be communicated with the first interface and the second interface, the second flow passage can be communicated with the third interface and the fourth interface, and the fluid control assembly comprises a first valve piece and a second valve piece; the first valve part 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 channel, the second valve part 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 cut-off of the second flow channel, at least part of the first adjusting part and at least part of the second adjusting part are positioned on the same side of the base, and the miniaturization of the fluid control assembly is facilitated.

Description

Fluid control assembly and thermal management system

Technical Field

The present application relates to the field of thermal management technologies, and in particular, to a fluid control assembly and a thermal management system.

Background

In the related art, as shown in fig. 21, a flow control valve includes an electronic expansion valve 33, a solenoid valve 32 and a valve seat 31, the electronic expansion valve 33 and the solenoid valve 32 are mounted on the valve seat 31, the electronic expansion valve 33 includes a first valve core 332, a first adjuster 331 and a first valve port 339, the first adjuster 331 is disposed around the first valve core 332, the first adjuster 331 can drive the first valve core 332 to move relative to the first valve port 339 to control the opening degree of the first valve port 339, the solenoid valve 32 includes a second adjuster 321 and a second valve core 322, the second adjuster 321 is disposed around the second valve core 322, and the second adjuster 321 can drive the second valve core 332 to move relative to the valve seat 31 to control the connection and disconnection of a flow passage in the valve seat 31. In the related art, the first adjusting member 331 is located at the upper side of the valve seat 31, and the second adjusting member 321 is located at the left side of the valve seat 31, which increases the longitudinal size of the flow control valve, and is not favorable for miniaturization of the flow control valve.

Disclosure of Invention

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

In order to achieve the purpose, the following technical scheme is adopted in the application: a fluid control assembly comprises a base, wherein the base is provided with a first interface, a second interface, a third interface and a fourth interface, the base is provided with a first flow passage and a second flow passage, the first flow passage can be communicated with the first interface and the second interface, the second flow passage can be communicated with the third interface and the fourth interface, the fluid control assembly comprises a first valve piece and a second valve piece, and the first valve piece and the second valve piece are installed on the base;

the first valve piece comprises a first adjusting piece and a first valve core, the first adjusting piece 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 piece comprises a second adjusting piece and a second valve core, the second adjusting piece 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 piece and at least part of the second adjusting piece are located on the same side of the base.

The present application further provides a thermal management system comprising a refrigerant circulation loop comprising a compressor, a first heat exchanger, a second heat exchanger, a third heat exchanger, and the fluid control assembly of any 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 the seventh interface, the seventh interface is communicated with the sixth interface, the seventh interface is communicated with the eighth interface, the sixth interface is communicated with the first port of the first heat exchanger, the eighth interface is communicated with the first port of the second heat exchanger, the second port of the first heat exchanger is communicated with the second interface, the second port of the second heat exchanger is communicated with the 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 the ninth interface, the ninth interface is communicated with the first port of the third heat exchanger, the second port of the third heat exchanger is communicated with the fourth interface, the fourth interface is communicated with the third interface, the third interface is communicated with the tenth interface, and the tenth interface is communicated with the inlet of the compressor.

In this application first regulating part is located the same side of base with the second regulating part, can reduce the longitudinal dimension of fluid control assembly, is favorable to fluid control assembly's miniaturization.

Drawings

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

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

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

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

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

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

FIG. 7 is an exploded schematic view of another gas-liquid separator of an embodiment of the 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 taken along line A-A of FIG. 8 of one embodiment of a fluid control assembly of the present application

FIG. 11 is a cross-sectional view of the base, the first cover, and the 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 circled A in FIG. 11;

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

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

FIG. 15 is a cross-sectional schematic view of an embodiment of the 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 the fluid control assembly of the present application taken in the direction opposite to line C-C of FIG. 9;

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

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

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

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

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

In the drawings:

100. a fluid control assembly;

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

20. a heat exchange member; 21. a header pipe; 22. flat tubes; 23. a heat exchange pipe; 24. a flow-through channel; 25. a first adapter tube;

31. a first cover body; 311. a second channel; 312. a third end; 313. a fourth end; 314. a third channel; 315. a fifth end; 316. a sixth terminal; 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 path; 351. a fifth interface; 36. a fourth flow path; 361. a sixth interface; 37. a fifth flow channel; 371. a seventh interface; 38. a sixth flow path; 39. a first channel; 391. a first end; 392. a second end; 393. an eighth interface;

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

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

Detailed Description

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

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the 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 use of "first," "second," and similar terms in the description and claims do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Similarly, the use of 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 or more than two. Unless otherwise indicated, "front", "rear", "lower" and/or "upper" and the like are for convenience of description and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items.

The fluid control assembly 100 according to the exemplary embodiment of the present application will be described in detail below with reference to the accompanying drawings. The features of the following examples and embodiments can be supplemented or combined with each other without conflict.

According to an embodiment of the present application, as shown in fig. 1 to 20, the fluid control assembly 100 includes a base 32, a first cover 31, a gas-liquid separator 10, and a heat exchanger 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 passage 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 first flow passage 33 in the length direction. In some embodiments, the first flow channel 33 is curved in the base 32, the first interface 331 and the second interface 332 are located on different sides of the base 32, the first interface 331 is located at the lower end of the base 32, and the second interface 332 is located at the 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 locations of the first interface 331 and the second interface 332 are not limited in this application.

As shown in fig. 8 to 12, the fluid control assembly 100 further includes a first valve element 41, and the first valve element 41 is mounted on 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 core 412, the first adjusting element 411 is disposed on the periphery of the first valve core 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 port portion 413, the first valve port portion 413 is located in the first flow passage 33, 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 port portion 413 under the action of the magnetic field, so as to control the valve port opening degree of the first valve port portion 413, and further throttle the fluid in the first flow passage 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 core 412, the first adjusting element 41 is disposed at a top end of the second valve core 412, the first adjusting element 411 is a power head, and the power head can drive the second valve core 412 to move along a length direction of the second valve core relative to the base 32, so as to throttle the fluid in the first flow passage 33. In the present application, the type of the first valve element 41 is not limited to this, and may be any type 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 passage 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 passage 34 in the length direction, and the second flow passage 34 can communicate the third interface 341 and the fourth interface 342. The first flow passage 33 and the second flow passage 34 do not communicate with each other. In some implementations, the second flow path 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 side 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 locations of the third interface 341 and the fourth interface 342 are not limited in this application.

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

As shown in fig. 1 to 3, the first adjustment member 411 and the second adjustment member 421 are located on the same side of the base 32, which is advantageous for miniaturization of the fluid control assembly 100. In other alternative embodiments, the base 32 may be provided with an adjusting member installation cavity, a portion of the adjusting member is located in the adjusting member installation 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.

In some embodiments, the first adjustment element 411 and the second adjustment element 421 are located on the upper side of the base 32, which can reduce the longitudinal dimension of the fluid control assembly 100, and in addition, the first adjustment element 411 and the second adjustment element 421 are located on the upper side of the base 32, which is beneficial to improving the durability of the first valve element 41 and the second valve element 42. In other alternative 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, and the locations of the first adjusting member 411 and the second adjusting member 421 are not limited in this application as 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 passage 35 (shown by a dotted line in fig. 13) and a fifth connection port 351, the first connection port 331 and the fifth connection port 351 are located at opposite sides of the third flow passage 35 in the longitudinal direction, and the first flow passage 33 can communicate with the first connection port 331 and the fifth connection port 351. The first flow passage 33 and the third flow passage 35 can communicate with each other, the first port 331 and the second port 332 can communicate with each other, and the first port 331 and the fifth port 351 can communicate with each other.

In some embodiments, the fluid control assembly 100 further includes a third valve element 43, the third valve element 43 being mounted on the base 32. In some embodiments, as shown in fig. 13, the third valve element 43 may be an electronic expansion valve, the third valve element 43 includes a third adjusting element 431 and a third valve core 432, the third adjusting element 431 is disposed at the periphery of the third valve core 432, and the third adjusting element 431 is capable of driving 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 amount of the fluid flow in the third flow passage 35. In other alternative embodiments, the third valve member 43 may be a thermal expansion valve, and the type of the third valve member 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 to 16, the base 32 has a sixth interface 361 and a fourth flow passage 36 (shown by a dotted line in fig. 14), the sixth interface 361 and the third interface 341 are located at two opposite ends of the length direction of the fourth flow passage 36, and the fourth flow passage 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 spool 442, the fourth adjusting element 441 is disposed on the periphery of the fourth spool 442, and the fourth adjusting element 441 can drive the fourth spool 442 to move relative to the base 32, so as to control the connection or disconnection of the fourth flow channel 36.

In some embodiments, as shown in fig. 1 and 14 to 16, the base 32 further has a seventh interface 371 and a fifth flow channel 37 (shown by a dotted line in fig. 14), the seventh interface 371 and the fourth interface 342 are located at opposite ends of the fifth flow channel 37 in the length direction, and the fifth flow 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, the fifth valve element 45 is mounted on the base 32, the fifth valve element 45 and the second valve element 42 have the same structure, the fifth valve element 45 includes a fifth adjustment element 451 and a fifth spool 452, the fifth adjustment element 451 is disposed on the periphery of the fifth spool 452, and the fifth adjustment element 451 can drive the fifth spool 452 to move relative to the base 32, so as to control the connection or the disconnection of the fourth flow passage 36.

In some embodiments, as shown in fig. 1 and 14 to 16, the base 32 has a sixth flow passage 38 (shown by a dotted line in fig. 14), the sixth flow passage 38 can communicate the sixth port 361 and the seventh port 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 and the second valve element 42 have the same structure, the sixth valve element 46 includes a sixth adjusting element 461 and a sixth spool 462, the sixth adjusting element 461 is disposed on the periphery of the sixth spool 462, and the sixth adjusting element 461 can move the sixth spool 462 relative to the base 32, so as to control the conduction or the blocking of the sixth flow passage 38.

In the present embodiment as 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 communicated with each other, but the separate second flow passage 34, the third flow passage 35, the fifth flow passage 37 and the sixth flow passage 38 are controlled to be communicated and blocked by the second valve element 42, the fourth valve element 44, the fifth valve element 45 and the sixth valve element 46 respectively. That is, the seventh port 371 can communicate with the fourth port 342 and the sixth port 361 and can also communicate with the third port 341, but when the seventh port 371 communicates with the third port 341, it is necessary to put both the fifth flow path 37 and the second flow path 34 into a conduction state or put both the sixth flow path 38 and the fourth flow path 36 into a conduction state.

In some embodiments, the second valve member 42, the fourth valve member 44, the fifth valve member 45, and the sixth valve member 46 in combination with the seat 32 form a flow path switching assembly having a flow path switching function, and the fluid control assembly 100 includes 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 operation mode and a second operation mode. 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 element 42 opens the second flow passage 34, the sixth valve element 46 opens the sixth flow passage 38, the fourth valve element 44 closes the fourth flow passage 36, the fifth valve element 45 closes the fifth flow passage 37, the third port 341 communicates with the fourth port 342, and the sixth port 361 communicates with the seventh port 371. In the second operation mode, the second valve element 42 blocks the second flow passage 34, the sixth valve element 46 blocks the sixth flow passage 38, the fourth valve element 44 opens the fourth flow passage 36, the fifth valve element 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 other optional embodiments, the flow path switching assembly may also include other operation modes, for example, the second valve element 42 communicates with the second flow path 34, the fifth valve element 45 communicates with the fifth flow path 37, and the third interface 341 communicates with the seventh interface 371.

In some embodiments, as shown in fig. 14 to 16, the fourth valve element 44, the fifth valve element 45 and the sixth valve element 46 may be electronic expansion valves. In other alternative embodiments, the fourth valve element 44, the fifth valve element 45 and the sixth valve element 46 may be electromagnetic valves, and in the present application, the types of the fourth valve element 44, the fifth valve element 45 and the sixth valve element 46 are not limited thereto, as long as the functions of opening and closing the flow passage are provided.

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

members

411, 421, 431, 441, 451 and 461 are located on the same side of the base 32. In other alternative embodiments, the base 32 is provided with an adjusting member installation cavity, a part of the adjusting member is located in the adjusting member installation cavity, and a part of the adjusting member is located outside the base 32, that is, a part of the first adjusting member 411, a part of the second adjusting member 421, a part of the third adjusting member 431, a part of the fourth adjusting member 441, a part of the fifth adjusting member 451 and a part of the sixth adjusting member 461 are located on the same side of the base 32.

In some embodiments, the first adjusting element 411, the second adjusting element 421, the third adjusting element 431, the fourth adjusting element 441, the fifth adjusting element 451, and the sixth adjusting element 461 are located on the upper side of the base 32, which is beneficial to improve the durability of the first valve element 41, the second valve element 42, the third valve element 43, the fourth valve element 44, the fifth valve element 45, and the sixth valve element 46. In alternative embodiments, the first, second, third, fourth, fifth and sixth adjusting

members

411, 421, 431, 441, 451 and 461 may be located at the lower side or the left side of the base 32. In alternative 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 longitudinal direction of the first spool 412, the longitudinal direction of the second spool 422, the longitudinal direction of the third spool 432, the longitudinal direction of the fourth spool 442, the longitudinal direction of the fifth spool 452, and the longitudinal direction of the sixth spool 462 are parallel to each other, and the longitudinal direction of the first spool 412 is parallel to the thickness direction of the base 32. This arrangement facilitates reducing the installation difficulty and, in addition, also facilitates reducing the risk of leakage between the valve cartridge 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 phantom 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 the 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 can communicate with the fourth flow passage 36, the first passage 39 can communicate with the sixth flow passage 38, the eighth port 393 can communicate with the sixth port 361, the eighth port 393 can communicate with the third port 341, and the eighth port 393 can 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 particularly, in some embodiments, the first cover 31 and the base 32 may be an integral structure, which facilitates 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 base 32 and the first cover 31 may be made of aluminum, which is beneficial to light weight of the fluid control assembly 100. In other alternative embodiments, the base 32 and the first cover 31 may be made of other materials such as steel and iron, and the material of the base 32 and the first cover 31 is 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 separator 10, and the gas-liquid separator 10 includes a first cylinder 11, a gas-liquid separator 12, and a second cover 16. The gas-liquid separation section 12 is located inside the first cylinder 11, and the first lid member 31 and the second lid member 16 are respectively provided at opposite ends of the first cylinder 11 in the longitudinal direction. The gas-liquid separation part 12 includes a second cylinder 17 and a gas-liquid distribution assembly 18, the second cylinder 17 has a first cavity 121 inside, and the gas-liquid distribution assembly 18 is partially located in the first cavity 121. First barrel 11 encloses and locates the second barrel 17 outside forms intermediate layer space 13 between first barrel 11 and the second barrel 17, and intermediate layer space 13 and first cavity 121 communicate.

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 two 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 communicated with the first cavity 121, and the fourth end 313 is directly communicated with the third interface 341. That is, fluid flowing from the fourth port 342 or the sixth port 361 may enter the first chamber 121.

In some embodiments, as shown in fig. 15, the upper end of the gas-liquid separation part 12 is directly inserted into the third end 312 of the second channel 311 to enable the second channel 311 to communicate with the first chamber 121. In other alternative embodiments, the upper end of the gas-liquid separation part 12 may be sleeved with a connection pipe, and the upper end of the connection pipe may be directly inserted into the second channel 311, so as to communicate the second channel 311 with 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 other optional implementations, the second channel 311 is disposed in the first cover 31 in a bending manner, 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.

In some embodiments, as shown in fig. 5 to 7, the fluid control assembly 100 further comprises a heat exchanging member 20, the heat exchanging member 20 is located in the interlayer space 13, and the heat exchanging member 20 has a flow channel 24.

In some embodiments, as shown in fig. 5 and fig. 6, the heat exchange component 20 includes a flat pipe 22 and two collecting pipes 21, the collecting pipe 21 extends along the length direction of the first cylinder 11, the flat pipe 22 is disposed around the second cylinder 17, the two collecting pipes 21 are respectively fixed at two ends of the surrounding direction of the flat pipe 22, and an inner cavity of the collecting pipe 21 is communicated with an inner cavity of the flat pipe 22. The flow channel 24 refers to a flow path of a fluid from the inlet of the heat exchange element 20 to the outlet of the heat exchange element 20, that is, the flow channel 24 includes 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 flow 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 two opposite ends of the third channel 314 in the length direction, the fifth end 315 is closer to the heat exchanging element 20 than the sixth end 316, the fifth end 315 is communicated with the circulation channel 24, and the sixth end 316 is directly communicated with the first port 331. In some embodiments, the upper end of the header 21 or the heat exchange tube 23 is directly inserted into the third passage 314 to achieve communication between the fifth end 315 of the third passage 314 and the flow-through passage 24. In an alternative embodiment, the upper end of the collecting pipe 21 or the upper end of the heat exchange pipe 23 is sleeved with the first connecting pipe 25, and one end of the first connecting pipe 25 far away from the collecting pipe 21 or the heat exchange pipe 23 is inserted into the third channel 314, so that the communication between the flow channel 24 and the fifth end 315 of the third channel 314 is realized. In other alternative embodiments, the third channel 314 passes through the first cover 31, the third channel 314 is disposed in a curved manner 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 directly connected to the third port 341, which reduces the number of connecting pipes 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 number of connecting lines between the third channel 314 and 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 communicated with the flow channel 24, that is, the ninth port 14 is communicated with the first port 331, and the tenth port 15 is communicated with the first cavity 121, that is, the tenth port 15 is communicated with the third port 341. The gas-liquid separation section 12 has a gas outlet 19, and the gas outlet 19 is located at an upper portion of the gas-liquid separation section 12. The gas-liquid two-phase refrigerant flows into the first cavity 121 from the third interface 341, wherein the liquid refrigerant flows to the lower part of the first cavity 121 along the inner wall of the second cylinder 17, the gas 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 used in 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 communicated with a seventh interface 371, the seventh interface 371 can be communicated with a sixth interface 361, the seventh interface 371 can be communicated with an eighth interface 393, the sixth interface 361 is communicated with a first port (2a) of the first heat exchanger 2, the eighth interface 393 is communicated with a first port (3a) of the second heat exchanger 3, a second port (2b) of the first heat exchanger 2 is communicated with a second interface 332, a second port (3b) of the second heat exchanger 3 is communicated with a fifth interface 351, the second interface 332 is 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 a ninth interface 14, the ninth interface 14 is communicated with a first port (4a) of the third heat exchanger 4, a second port (4b) of the third heat exchanger 4 is communicated with a fourth interface 342, the fourth interface 342 can be communicated with the third interface 341, the third interface 341 is communicated with a tenth interface 15, the tenth port 15 communicates with the inlet of the compressor 1.

The heat management system comprises a heating mode and a cooling mode. In this embodiment, fig. 19 shows a heating mode of the thermal management system, and fig. 20 shows 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 interface 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 to the first port 2a of the first heat exchanger 2 through the sixth interface 361, the other path flows into the first passage 39 and flows out from the eighth interface 393, one path of the refrigerant flowing through the first heat exchanger 2 exchanges heat with the air flow in the first heat exchanger 2 to release heat, flows out from the second port 2b of the first heat exchanger 2, enters the first flow passage 33 through the second interface 332 and is throttled by the first valve element 41, the other path of the refrigerant flowing out from the eighth interface 393 flows to the first port 3a of the second heat exchanger 3, flows out from the second port 3b of the second heat exchanger 3 after flowing through the second heat exchanger 3, flows to the third flow passage 35 through the fifth interface 351 and flows through the third valve element 43, and the refrigerant throttled by the first 41 and the refrigerant throttled by the third valve element 43 are combined, the refrigerant flows to the heat exchange member 20 through the first port 331, the refrigerant flowing out of the ninth port 14 flows to the first port 4a of the third heat exchanger 4, the refrigerant exchanges heat with the air flow in the third heat exchanger 4, then flows out of the second port 4b of the third heat exchanger 4, enters the fluid control assembly 100 through the fourth port 342, the second valve member 42 is opened, the fourth valve member 44 is closed, the refrigerant flows to the gas-liquid separator 10 through the third port 341, flows to the heat exchange member 20 after flowing through the gas-liquid separator 10, performs downstream heat exchange with the refrigerant throttled by the first valve member 41 and the third valve member 43 in the heat exchange member 20, and the refrigerant flows into the inlet of the compressor 1 through the tenth port 15, thereby completing 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 joint 371, the fifth valve element 45 is opened, the sixth valve element 46 is closed, the refrigerant flows to the second port 4b of the third heat exchanger 4 through the fourth joint 342, flows out from the first port 4a of the third heat exchanger 4 after exchanging heat with the gas flow in the third heat exchanger 4, flows into the heat exchange member 20 through the ninth joint 14, the second valve element 42 is closed, the refrigerant flows into the first flow passage 33 through the first joint 331, flows out from the second joint 332 after throttling by the first valve element 41, flows to the second port 2b of the first heat exchanger 2, flows out from the first port 2a of the first heat exchanger 2 after exchanging heat with the gas flow in the first heat exchanger 2, flows into the fluid control assembly 100 through the sixth joint 361, the fourth valve element 44 is opened, the second valve element 42 is closed, the refrigerant flows out from the third joint 341 and flows to the gas-liquid separation member 10, after flowing through the gas-liquid separation part 10, the refrigerant flows to the heat exchange part 20, and performs countercurrent heat exchange with the refrigerant flowing out of the first port 4a of the third heat exchanger 4 in the heat exchange part 20, and then flows into the inlet of the compressor 1 through the tenth port 15, thereby completing a refrigeration cycle.

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 the gravity direction, and the first adjusting element 411, the second adjusting element 421, the third adjusting element 431, the fourth adjusting element 441, the fifth adjusting element 451, and the sixth adjusting element 461 are located on the upper side of the base 32, which is beneficial to improving the durability of the first valve element 41, the second valve element 42, the third valve element 43, the fourth valve element 44, the fifth valve element 45, and the sixth valve element 46. In alternative 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 embodiments, the longitudinal direction of the first spool 412, the longitudinal direction of the second spool 422, the longitudinal direction of the third spool 432, the longitudinal direction of the fourth spool 442, the longitudinal direction of the fifth spool 452, and the longitudinal direction of the sixth spool 462 are parallel to each other and the direction of gravity, and the first, second, third, fourth, fifth, and sixth adjusting

members

411, 421, 431, 441, 451, 461 are located at the lower side of the base 32. In alternative other embodiments, the base 32 has an adjusting piece mounting cavity, a portion of the adjusting piece is located in the adjusting piece mounting cavity, another portion of the adjusting piece is located outside the base 32, and a portion of the first adjusting piece 411, a portion of the second adjusting piece 421, a portion of the third adjusting piece 431, a portion of the fourth adjusting piece 441, a portion of the fifth adjusting piece 451, and a portion of the sixth adjusting piece 461 are located on an upper side of the base 32.

Although the present application has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the application, and all changes, substitutions and alterations that fall within the spirit and scope of the application are to be understood as being covered by the following claims.

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 core (412), the first adjusting element (411) can drive the first valve core (412) to move relative to the base (32) so as to throttle fluid in the first flow passage (33), the second valve element (42) comprises a second adjusting element (421) and a second valve core (422), the second adjusting element (421) can drive the second valve core (422) to move relative to the base (32) so as to control the conduction or the cutoff of the second flow passage (34), and at least part of the first adjusting element (411) and at least part of the second adjusting element (421) are located on the same side of the base (32).

2. The fluid control assembly (100) of claim 1, wherein the base (32) has a fifth port (351) and a third flow passage (35), the third flow passage (35) is capable of communicating the fifth port (351) with the first port (331), the fluid control assembly (100) further comprises a third valve member (43), the third valve member (43) is mounted on the base (32), the third valve member (43) comprises a third adjustment member (431) and a third spool (432), and the third adjustment member (431) is capable of driving the third spool (432) to move relative to the base (32) to throttle fluid in the third flow passage (35).

3. The fluid control assembly (100) according to claim 2, wherein the base (32) further has a sixth port (361) and a fourth flow channel (36), the sixth port (361) and the third port (341) are located on opposite sides of a length direction of the fourth flow channel (36), the fourth flow channel (36) can communicate the sixth port (361) with the third port (341), the fluid control assembly (100) further includes a fourth valve member (44), the fourth valve member (44) is mounted on the base (32), the fourth valve member (44) includes a fourth regulating member (441) and a fourth spool (442), and the fourth regulating member (441) can drive the fourth spool (442) to move relative to the base (32) so as to control the connection or the disconnection of the fourth flow channel (36);

the base (32) is further provided with a seventh interface (371) and a fifth flow channel (37), the seventh interface (371) and the fourth interface (342) are located on two opposite sides of the length direction of the fifth flow channel (37), the fifth flow channel (37) can communicate the seventh interface (371) with 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 core (452), and the fifth adjusting element (451) can drive the fifth valve core (452) to move relative to the base (32) so as to control the conduction or the cutoff of the fifth flow channel (37);

the base (32) is provided with a sixth flow passage (38), the sixth port (361) and the seventh port (371) are located on two opposite sides of the sixth flow passage (38) in the length direction, the sixth flow passage (38) can communicate the sixth port (361) and the seventh port (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 element (461) and a sixth valve core (462), and the sixth adjusting element (461) can enable the sixth valve core (462) to move relative to the base (32) so as to control the conduction or the cutoff of the sixth flow passage (38).

4. The fluid control assembly (100) of claim 3, 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 longitudinal direction of the first valve core (412), the longitudinal direction of the second valve core (422), the longitudinal direction of the third valve core (432), the longitudinal direction of the fourth valve core (442), and the longitudinal direction of the fifth valve core (452) are parallel to the longitudinal direction of the sixth valve core (462), and the longitudinal direction of the first valve core (412) is parallel to the thickness direction of the base (32).

5. The fluid control assembly (100) of claim 3 wherein said base (32) further comprises an eighth junction (393) and a first channel (39), said first channel (39) having a first end (391) and a second end (392), said first end (391) and second end (392) being located at opposite ends of a length of said first channel (39), said eighth junction (393) being located at said first end (391) of said first channel (39), said second end (392) intersecting said fourth flow channel, said second end (392) intersecting said sixth flow channel (38).

6. The fluid control assembly (100) according to claim 3, wherein the fluid control assembly (100) further comprises a first cover (31) and a gas-liquid separator (10), the first cover (31) is connected to the base (32), the gas-liquid separator (10) comprises a gas-liquid separator (12) and a first cylinder (11), the first cover (31) is disposed at one end of the first cylinder (11) in the length direction, the first cylinder (11) is enclosed outside the gas-liquid separator (12), a sandwiched space (13) is formed between the first cylinder (11) and the gas-liquid separator (12), a first cavity (121) is disposed inside the gas-liquid separator (12), and the first cavity (121) is communicated with the sandwiched space (13).

7. The fluid control assembly (100) of claim 6, wherein the first cover (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 the fourth end (313) being located at opposite ends of the first channel (39) in a lengthwise direction, the third end (312) being in communication with the first cavity (121), the fourth end (313) being in direct communication with the third junction (341).

8. The fluid control assembly (100) of claim 7, wherein the fluid control assembly (100) further comprises a heat exchange member (20), the heat exchange member (20) being located in the plenum space (13), the heat exchange member (20) having a flow 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 connector (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 arranged at two opposite ends of the first cylinder body (11) in the length direction in a covering mode, the second cover body (16) is provided with a ninth connector (14) and a tenth connector (15), the ninth connector (14) is communicated with the circulation channel (24), and the tenth connector (15) is communicated with the interlayer space (13).

9. 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 to 8, 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);

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

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