CN118088730A - Control valve - Google Patents

Abstract

The application discloses a control valve, which is provided with a containing cavity and a communicating port, wherein the control valve comprises a valve body and a valve core, the valve body comprises a side wall part, at least part of the peripheral wall of the containing cavity is formed by the side wall part, the communicating port is positioned at the side wall part, at least part of the valve core is positioned in the containing cavity and can rotate, the communicating port is positioned at the side wall part, the communicating port comprises a first port, a second port, a third port, a fourth port, a fifth port, a sixth port, a seventh port, an eighth port, a ninth port and a tenth port, and the control valve is provided with at least one of a plurality of working modes; this enables fluid control of a plurality of flow paths.

Description

Control valve

Technical Field

The application relates to the field of fluid control, in particular to a control valve.

Background

In the thermal management system, the on-off of a plurality of flow paths needs to be controlled by using a control valve, for example, the control valve is used for controlling the flow of the flow paths, and one control valve is provided for controlling the flow of the flow paths, so that the thermal management system is more compact.

Disclosure of Invention

The application aims to provide a control valve which can realize fluid control of a plurality of flow paths and has more compact thermal management system.

In one aspect, an embodiment of the present application provides a control valve having a housing chamber and a communication port, the control valve including a valve body and a valve spool, the valve body including a side wall portion forming at least part of a peripheral wall of the housing chamber, the communication port being located at the side wall portion, at least part of the valve spool being located in the housing chamber and being rotatable, the communication port being located at the side wall portion, the communication port including a first port, a second port, a third port, a fourth port, a fifth port, a sixth port, a seventh port, an eighth port, a ninth port, and a tenth port, the control valve having at least one of the following operation modes;

A first mode of operation, the valve spool communicating the first port with the fourth port, the third port with the second port, the ninth port, the eighth port and the fifth port, the tenth port, the seventh port and the sixth port;

A second operation mode in which the valve element communicates the first port with the tenth port, the ninth port with the fourth port, the third port with the second port, and any one of the seventh port, the sixth port, the eighth port, and the fifth port is closed by the valve element;

A third operation mode in which the valve element communicates the first port with the tenth port, the eighth port with the ninth port, the seventh port with the second port, and any one of the fourth port, the fifth port, the sixth port, and the third port is closed by the valve element;

In a fourth operation mode, the valve element communicates the first port with the tenth port, the ninth port, the eighth port, and the fifth port, the seventh port, the sixth port, and the second port communicate, and the valve element closes any of the fourth port and the third port.

According to the control valve provided by the embodiment of the application, the control valve comprises the valve body and the valve core, the control valve is provided with the communication ports, the communication ports comprise the first port, the second port, the third port, the fourth port, the fifth port, the sixth port, the seventh port, the eighth port, the ninth port and the tenth port, and different communication ports can be conducted by rotating the valve core, so that the control valve is provided with at least one of a plurality of working modes, one control valve can control a plurality of flow paths, and the thermal management system is more compact when the control valve is applied to the thermal management system.

Drawings

FIG. 1 is a schematic exploded view of a control valve according to a first embodiment of the present application;

FIG. 2 is a schematic perspective view of a control valve according to a first embodiment of the present application;

FIG. 3 is a schematic cross-sectional view of one of the control valves shown in FIG. 2 from one view;

FIG. 4 is a schematic cross-sectional view of another view of the control valve shown in FIG. 2;

FIG. 5 is a schematic view of a partial structure of a valve body according to an embodiment of the present invention;

FIG. 6 is another partial schematic view of a valve body shown in FIG. 5;

FIG. 7 is a schematic perspective view of one of the drive assemblies shown in FIG. 2;

FIG. 8 is a schematic front view of a valve cartridge according to an embodiment of the present invention;

FIG. 9 is a schematic cross-sectional view taken along the direction A-A in FIG. 8;

FIG. 10 is a schematic cross-sectional view taken along the direction B-B in FIG. 8;

FIG. 11 is a schematic cross-sectional view of FIG. 8 taken along the direction C-C;

FIG. 12 is a schematic cross-sectional view of the structure of FIG. 8 taken along the direction D-D;

FIG. 13 is a schematic cross-sectional view of the structure of FIG. 8 along the direction E-E;

FIG. 14 is a schematic view of the conductive structure of the valve spool of the control valve shown in FIG. 2 in a first mode of operation;

FIG. 15 is a schematic view of the communication port of the control valve of FIG. 2 in a first mode of operation;

FIG. 16 is a schematic illustration of the conductive configuration of the valve spool of the one control valve shown in FIG. 2 in a second mode of operation;

FIG. 17 is a schematic view of the communication port of the control valve of FIG. 2 in a second mode of operation;

FIG. 18 is a schematic illustration of the conductive configuration of the valve spool of the one control valve shown in FIG. 2 in a third mode of operation;

FIG. 19 is a schematic view of the communication port of the control valve of FIG. 2 in a third mode of operation;

FIG. 20 is a schematic view of the conductance configuration of the valve spool of one of the control valves shown in FIG. 2 in a fourth mode of operation;

FIG. 21 is a schematic view of the communication port of the control valve of FIG. 2 in a fourth mode of operation;

FIG. 22 is a schematic view of the conductance configuration of the valve spool of the one control valve shown in FIG. 2 in a fifth mode of operation;

fig. 23 is a schematic view showing a conduction structure of the communication port of the control valve shown in fig. 2 in the fifth operation mode.

Description of the drawings:

1. A control valve; 101. a receiving chamber; 102. a communication port; 103. a valve port; p1, a first port; p2, second port; p3, third port; p4, fourth port; p5, fifth port; p6, sixth port; p7, seventh port; p8, eighth port; p9, ninth port; p0, tenth port; 10. a valve body; 11. a side wall portion; 12. a top wall portion; 13. a limiting block; 14. a mounting part; 15. a bottom cover part; 16. a limit groove; 20. a valve core; 21. a first conductive segment; 211. a first longitudinal cavity; 212. a second longitudinal cavity; 213. a third longitudinal cavity; 214. a fourth longitudinal cavity; 27. an internal cavity; 28. a diaphragm; 29. a longitudinal partition; 22. a second conductive segment; 221. a fifth longitudinal cavity; 222. a sixth longitudinal cavity; 223. a first transverse cavity; 224. a first isolation chamber; 23. a third conduction section; 231. a second transverse cavity; 232. a seventh longitudinal cavity; 233. a second isolation chamber; 234. an eighth longitudinal cavity; 24. a fourth conduction section; 241. a third transverse cavity; 242. a ninth longitudinal cavity; 243. a tenth longitudinal cavity; 244. a third isolation chamber; 25. a fifth conduction section; 251. a fourth transverse cavity; 252. a fifth transverse cavity; 253. a sixth transverse cavity; 254. a seventh transverse cavity; 255. an eighth transverse cavity; 261. an auxiliary section; 262. a stop block; 30. a control assembly; 31-a housing; 32. positioning columns; 33. a motor cavity; 34. a motor; 40. a planar gasket; 50. and a seal.

Detailed Description

Features and exemplary embodiments of various aspects of the present application will be described in detail below, and in order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be described in further detail below with reference to the accompanying drawings and the detailed embodiments. Relational terms such as "first" and "second", and the like, may be used solely to distinguish one element from another element having the same name, and do not necessarily require or imply any such actual relationship or order between the elements.

The embodiment of the application provides a control valve which can be used for a vehicle thermal management system, particularly a cooling liquid circulation system and can perform the functions of conducting and switching a flow path of the thermal management system.

As shown in fig. 1 to 5, the control valve 1 of the embodiment of the present invention includes a valve body 10, a valve core 20, and a seal member 50, the control valve 1 has a housing chamber 101, the valve body 10 has a side wall portion 11, the side wall portion 11 forms at least part of a peripheral wall of the housing chamber 101, the valve body 10 may further include a top wall portion 12 and a bottom cover portion 15, in this embodiment, the side wall portion 11, the top wall portion 12, and the bottom cover portion 15 are sealingly disposed and jointly define the housing chamber 101, one of the top wall portion 12 and the bottom cover portion 15 is injection-molded with the side wall portion 11, the other is welded and fixed with the side wall portion 11, at least part of the valve core 20 is located in the housing chamber 101 and rotatable, along a radial direction of the side wall portion 11, and the seal member 50 is located between the side wall portion 11 and the valve core 20 for sealing the control valve 1. Optionally, the control valve 1 further includes a driving assembly 30, where the driving assembly 30 includes a driving member, and the driving member may include a motor 34 or a combination of the motor 34 and a transmission gear set, and the driving member is in transmission connection with the valve core 20, so that the driving member drives the valve core 20 to rotate.

Due to the large volume of the motor, when the drive assembly 30 and the valve body are juxtaposed in the height direction of the control valve 1, the axial height of the control valve 1 is high, and in order to reduce the volume of the control valve 1 and the axial height of the control valve 1, as shown in fig. 4 to 7, in some embodiments, a part of the drive assembly 30 is located on a side of the ceiling wall portion 12 facing away from the side wall portion 11, the drive assembly 30 has a motor chamber 33, a motor 34 is mounted to the motor chamber 33, and at least a part of the motor 34 is located on a side of the ceiling wall portion 12 facing toward the side wall portion 11 in the height direction of the control valve 1. In practical implementation, along the height direction of the control valve 1, a part of the motor cavity 33 is sunk to the height of the valve body 10, at this time, a part of the motor 34 is sunk to the height of the valve body 10, and another part of the motor 34 is located at a different height from the valve body 10, compared with the situation that the motor 34 is located at a different height from the valve body 10, the axial height of the control valve 1 in the embodiment of the invention is smaller, which is beneficial to reducing the volume and the occupied space of the control valve 1.

As further shown in fig. 4-7, in some embodiments, the spool shaft of the spool 20 is in driving connection with the drive assembly 30 through the top wall portion 12 of the valve body 10, one of the drive assembly 30 and the valve body 10 includes a locating post 32 for facilitating a better driving connection of the drive assembly 30 and the spool 20, and the other includes a limit slot 16, with the locating post 32 being embedded within the limit slot 16 to locate the drive assembly 30 and the valve body 10. In this embodiment, the limiting groove 16 is located on the top wall 12 of the valve body 10, the limiting groove 16 is of an elongated groove structure, and the positioning post 32 is fixedly connected with the housing of the driving assembly 30, for example, the positioning post 32 and the housing of the driving assembly 30 may be injection molded into an integral structure.

To achieve the control function of the control valve 1 on the fluid, in some embodiments, the control valve 1 has a communication port 102, where the communication port 102 includes a first port P1, a second port P2, a third port P3, a fourth port P4, a fifth port P5, a sixth port P6, a seventh port P7, an eighth port P8, a ninth port P9, and a tenth port P0, and the communication port 102 can be turned on and/or off by the rotation of the valve element 20. Further, in some embodiments, the control valve 1 further has the same number of ports 103 as the communication ports 102, and fluid can enter or leave the control valve 1 from the ports 103, the ports 103 may be arranged in two rows of port groups, each row of port groups includes at least two ports 103 disposed at intervals along the axial direction of the sidewall portion 11, the ports 103 are correspondingly communicated with the communication ports, and the entire number of ports 103 may be disposed on the same plane, so as to facilitate the installation or integration of the control valve 1 with other fluid structures, and accordingly, the control valve 1 may include a planar gasket 40, where the planar gasket 40 is disposed on an integrated plane of the ports 103, so as to facilitate sealing. In other embodiments, the number of valve ports 103 may be different from the number of communication ports 102, for example, two valve ports 103 may be in communication with one communication port 102, or two communication ports 102 may be in communication with one valve port 103.

To facilitate control of the control valve 1 over multiple flow paths, in some embodiments, the control valve 1 has at least Q operation modes, in which the communication ports 102 are conducted in different manners, as shown in fig. 8 to 23, the valve core 20 includes at least Q conduction segments DT extending along the axial direction of the valve core 20 and arranged along the circumferential direction of the valve core 20, and in any operation mode of the control valve 1, one conduction segment DT corresponds to the position of the communication port 102, the communication ports 102 are arranged in a matrix manner of n×m, the communication ports 102 are arranged in N columns along the circumferential direction of the valve body 10, and the communication ports 102 are arranged in M rows along the axial direction of the valve core 20; along the circumferential direction of the valve body 10, a circumferential angle corresponding to a conducting section DT is defined, a circumferential angle corresponding to a mouth where a communication port 102 is located is defined as b, a is greater than n×b, a×n is less than or equal to 360 °, and Q is greater than or equal to 5. In order to meet the flow resistance of the fluid flowing in the communication port 102, optionally, b is larger than or equal to 20 degrees, and by setting a reasonable angle of the communication port 102, the flow resistance of the fluid passing through the communication port 102 is convenient to reduce. In specific implementations, q= 5,N =2, m=5.

In this embodiment, the control valve 1 provided in the embodiment of the present invention has at least one of the following operation modes:

In the first operation mode, the spool 20 is in the first position, the spool 20 communicates the first port P1 with the fourth port P4, the third port P3 with the second port P2, the ninth port P9, the eighth port P8 and the fifth port P5, and the tenth port P0, the seventh port P7 and the sixth port P6.

In the second operation mode, the valve body 20 communicates the first port P1 with the tenth port P0, the ninth port P9 with the fourth port P4, the third port P3 with the second port P2, and the valve body 20 closes any one of the seventh port P7, the sixth port P6, the eighth port P8, and the fifth port P5. In this context, closing the communication port 102 means that, in the control valve 1, the closed communication port 102 is not communicated with the other communication ports 102.

In the third operation mode, the valve body 20 communicates the first port P1 with the tenth port P0, the eighth port P8 with the ninth port P9, the seventh port P7 with the second port P2, and the valve body 20 closes any of the fourth port P4, the fifth port P5, the sixth port P6, and the third port P3.

In the fourth operation mode, the valve body 20 communicates the first port P1 with the tenth port P0, communicates the ninth port P9, the eighth port P8, and the fifth port P5, communicates the seventh port P7, the sixth port P6, and the second port P2, and closes any of the fourth port P4 and the third port P3.

In some embodiments, the control valve 1 also has a fifth mode of operation in which the valve spool 20 communicates the first port P1 with the tenth port P0, the fourth port P4 with the seventh port P7, the ninth port P9 with the sixth port P6, the eighth port P8 with the third port P3, and the fifth port P5 with the second port P2.

In some embodiments, the communication ports 102 are arranged in two rows in the circumferential direction of the spool 20, the first port P1, the fourth port P4, the ninth port P9, the eighth port P8, and the fifth port P5 are arranged in one row, and the tenth port P0, the seventh port P7, the sixth port P6, the third port P3, and the second port P2 are arranged in another row; wherein the first port P1 and the tenth port P0 are arranged in one row along the circumferential direction of the valve body 20, the seventh port P7 and the fourth port P4 are arranged in one row, the ninth port P9 and the sixth port P6 are arranged in one row, the eighth port P8 and the third port P3 are arranged in one row, and the fifth port P5 and the second port P2 are arranged in one row. Through the arrangement, the five working modes of the control valve are convenient to realize.

To achieve the above-mentioned operation modes, in some embodiments, as shown in fig. 8, the valve core 20 of the embodiment of the present invention is in a spool valve structure, the valve core 20 includes a diaphragm 28 and a longitudinal diaphragm 29, the extending direction of the diaphragm 28 intersects with the extending direction of the longitudinal diaphragm 29, the longitudinal diaphragm 29 may extend along the axial direction of the valve core 20, specifically, as shown in fig. 8, the longitudinal diaphragm 29 may extend in the up-down direction in the drawing, for example, may extend in a straight line or curve, the extending direction of the longitudinal diaphragm 29 may be parallel to the axial direction of the valve core 20 or have a certain included angle, a plurality of diaphragms 28 are arranged along the axial direction of the valve core 20, and a plurality of external cavities are defined between the diaphragm 28 and the longitudinal diaphragm 29 in a sealing manner, and the external cavities include an external conducting cavity and an isolating cavity, so as to achieve the conduction and/or the closing of the communication port 102; further, when other communication ports 102 are provided between at least two communication ports 102 that are mutually communicated, the valve core 20 may further be provided with an internal cavity 27, the internal cavity 27 is located inside the external cavity along the radial direction of the valve core 20, and the external conduction cavity and the internal cavity cooperate to enable communication of at least two communication ports 102 that are arranged at intervals.

As shown in fig. 9 to 15, the control valve 1 has a first operation mode, the conducting section DT of the spool 20 includes a first conducting section 21, the first conducting section 21 has mutually isolated outer conducting chambers, specifically, the outer conducting chambers included in the first conducting section 21 include a first longitudinal chamber 211, a second longitudinal chamber 212, a third longitudinal chamber 213, and a fourth longitudinal chamber 214, the area of the cavity mouth of the first longitudinal chamber 211 and the area of the cavity mouth of the third longitudinal chamber 213 may be the same and each be greater than three times the area of one communication port 102, and the area of the cavity mouth of the second longitudinal chamber 212 and the area of the cavity mouth of the fourth longitudinal chamber 214 may be the same and each be greater than two times the area of one communication port 102. As shown in fig. 14 and 15, in the first operation mode, the valve body 20 is positioned at the first position, the first conduction section 21 at this time corresponds to the position of the communication port 102, the first vertical chamber 211 communicates the ninth port P9, the eighth port P8, and the fifth port P5, the third vertical chamber 213 communicates the tenth port P0, the seventh port P7, and the sixth port P6, the second vertical chamber 212 communicates the first port P1 with the fourth port P4, and the fourth vertical chamber 214 communicates the third port P3 with the second port P2.

As shown in conjunction with fig. 9 to 13, 16 and 17, in some embodiments, the control valve 1 has a second operation mode, the conducting section DT of the valve core 20 includes a second conducting section 22, the second conducting section 22 has an outer cavity isolated from each other, the outer cavity of the second conducting section 22 includes a fifth longitudinal cavity 221, a sixth longitudinal cavity 222, a first lateral cavity 223 and at least four first isolated cavities 224, the cavity opening area of the fifth longitudinal cavity 221, the cavity opening area of the sixth longitudinal cavity 222 and the cavity opening area of the first lateral cavity 223 are all larger than the cavity opening area of the first isolated cavity 224, any one of the extending distance of the fifth longitudinal cavity 221, the extending distance of the sixth longitudinal cavity 222 and the extending distance of the first isolated cavity 224 is smaller than the extending distance of the first lateral cavity 223 in the circumferential direction of the valve core 20, specifically, the extending distance of the first lateral cavity 223 is larger than the extending distance of the area where at least two communicating ports 102 are located, the extending distance of the fifth longitudinal cavity 221 in the circumferential direction of the valve core 20 is larger than the extending distance of the area where the first communicating ports 102 are located, and the extending distance of the fifth longitudinal cavity 221 is located in the circumferential direction of the same, and the extending distance of the fifth longitudinal cavity is located in the circumferential direction of the same.

In the second operation mode of the control valve, the second conducting section 22 corresponds to the position of the communication port 102, the first transverse cavity 223 communicates the first port P1 with the tenth port P0, the fifth longitudinal cavity 221 communicates the fourth port P4 with the ninth port P9, the sixth longitudinal cavity 222 communicates the third port P3 with the second port P2, and one first isolation cavity 224 closes one communication port 102, specifically, four first isolation cavities 224 in the second conducting section 22 correspond to the seventh port P7, the sixth port P6, the eighth port P8 and the fifth port P6 one by one and close the corresponding communication port 102.

As shown in conjunction with fig. 9 to 13, 18 and 19, in some embodiments, the control valve 1 has a third operation mode, the conducting section DT of the valve core 20 includes a third conducting section 23, the third conducting section 23 has an outer cavity and an inner cavity 27, the outer cavity of the third conducting section 23 includes a second lateral cavity 231 isolated from each other, a seventh longitudinal cavity 232, at least four second isolated cavities 233, and an eighth longitudinal cavity 234, the number of the eighth longitudinal cavities 234 is at least two, the first inner cavity 235 is located inside the eighth longitudinal cavity 234 in the radial direction of the valve core 20, and the at least two eighth longitudinal cavities 234 are communicated through the first inner cavity 235, and the extension distance of any one of the seventh longitudinal cavity 232, the eighth longitudinal cavity 234, and the second isolated cavity 233 is smaller than the extension distance of the second lateral cavity 231 in the circumferential direction of the valve core 20, and the cavity opening area of the eighth cavity is the same as the cavity opening area of the second isolated cavity 233.

In the third operation mode, the third conducting section 23 corresponds to the position of the communication port 102, the second lateral cavity 231 communicates the first port P1 with the tenth port P0, the seventh longitudinal cavity 232 communicates the eighth port P8 with the ninth port P9, the eighth longitudinal cavity 234 cooperates with the internal cavity 27 to communicate the seventh port P7 with the second port P2, and one of the communication ports 102 is closed by the second isolation cavity 233.

As shown in conjunction with fig. 9 to 13, 20 and 21, in some embodiments, the control valve 1 has a fourth operation mode, the conduction section DT of the spool 20 includes a fourth conduction section 24, the fourth conduction section 24 has an outer chamber and an inner chamber 27, the outer chamber includes a third lateral chamber 241, a ninth longitudinal chamber 242, at least two third isolation chambers 244, at least two tenth longitudinal chambers 243, and a second inner chamber 244, the inner chamber 27 is located inside the tenth longitudinal chamber 243 in the radial direction of the spool 20, and the at least two tenth longitudinal chambers 243 are communicated through the inner chamber 27, and any one of the ninth longitudinal chamber 242, the tenth longitudinal chamber 243, and the third isolation chambers 244 extends a distance smaller than that of the third lateral chamber 241 in the circumferential direction of the spool 20.

In the fourth operation mode, the fourth conduction section 24 corresponds to the position of the communication port 102, the third lateral chamber 241 communicates the first port P1 with the tenth port P0, the ninth longitudinal chamber 242 communicates the ninth port P9, the eighth port P8 and the fifth port P5, the tenth longitudinal chamber 243 cooperates with the internal chamber 27 to communicate the seventh port P7, the sixth port P6 and the second port P2, and one of the third isolation chambers 244 closes one of the communication ports 102.

As further shown in connection with fig. 9-13, 22 and 23, in some embodiments, the control valve 1 has a fifth mode of operation, the conducting segment DT of the spool 20 includes a fifth conducting segment 25, and the fifth conducting segment 25 has a fourth transverse chamber 251, a fifth transverse chamber 252, a sixth transverse chamber 253, a seventh transverse chamber 254, and an eighth transverse chamber 255 that are isolated from each other and arranged in the axial direction of the spool 20.

In the fifth operation mode, the fifth conduction section 25 corresponds to the position of the communication port 102, the fourth lateral cavity 251 communicates the first port P1 with the tenth port P0, the fifth lateral cavity 252 communicates the fourth port P4 with the seventh port P7, the sixth lateral cavity 253 communicates the ninth port P9 with the sixth port P6, the seventh lateral cavity 254 communicates the eighth port P8 with the third port P3, and the eighth lateral cavity 255 communicates the fifth port P5 with the second port P2.

To limit the rotational position of the valve core 20, in some embodiments, as shown in fig. 5 and 8 to 14, the valve core 20 further includes an auxiliary segment 261 and a stop 262, the stop 262 is connected with the auxiliary segment 261 and protrudes from the surface of the auxiliary segment 261, the valve body 10 includes a limit block 13, and the stop 262 is in limit connection with the limit block 13 to limit the rotational limit position of the valve core 20. The first conduction segment 21, the second conduction segment 22, the third conduction segment 23, the fourth conduction segment 24, the fifth conduction segment 25, and the auxiliary segment 261 are arranged in the circumferential direction of the spool 20 and are isolated from each other.

In summary, according to the control valve 1 provided by the embodiment of the invention, the control valve 1 includes the valve body 10 and the valve core 20, the control valve 1 has the communication port 102, the communication port 102 includes the first port P1, the second port P2, the third port P3, the fourth port P4, the fifth port P5, the sixth port P6, the seventh port P7, the eighth port P8, the ninth port P9 and the tenth port P0, and by rotating the valve core 20, different communication ports 102 can be conducted by the valve core 20, so that the control valve 1 has at least one of four modes, different conduction modes among the communication ports 102 can be realized, and one control valve 1 can control a plurality of flow paths.

It should be noted that: the above embodiments are only for illustrating the present application and not for limiting the technical solutions described in the present application, for example, the directions of "front", "rear", "left", "right", "up", "down", etc., and although the present application has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the present application may be modified, combined or substituted by the same, and all the technical solutions and modifications thereof without departing from the spirit and scope of the present application are intended to be included in the scope of the claims of the present application.

Claims (11)

1. A control valve (1), characterized in that the control valve (1) has a housing chamber (101) and a communication port (102), the control valve (1) comprises a valve body (10) and a valve core (20), the valve body (10) comprises a side wall part (11), the side wall part (11) forms at least part of a peripheral wall of the housing chamber (101), the communication port (102) is located at the side wall part (11), at least part of the valve core (20) is located at the housing chamber (101) and can rotate, the communication port (102) comprises a first port (P1), a second port (P2), a third port (P3), a fourth port (P4), a fifth port (P5), a sixth port (P6), a seventh port (P7), an eighth port (P8), a ninth port (P9) and a tenth port (P0), and the control valve (1) has at least one of the following working modes;

A first operating mode, in which the valve element (20) communicates the first port (P1) with the fourth port (P4), the third port (P3) with the second port (P2), the ninth port (P9), the eighth port (P8) and the fifth port (P5), and the tenth port (P0), the seventh port (P7) and the sixth port (P6);

A second operation mode in which the valve element (20) communicates the first port (P1) with the tenth port (P0), the ninth port (P9) with the fourth port (P4), the third port (P3) with the second port (P2), and the valve element (20) closes any one of the seventh port (P7), the sixth port (P6), the eighth port (P8), and the fifth port (P5);

A third operation mode in which the valve element (20) communicates the first port (P1) with the tenth port (P0), the eighth port (P8) with the ninth port (P9), the seventh port (P7) with the second port (P2), and the valve element (20) closes any one of the fourth port (P4), the fifth port (P5), the sixth port (P6), and the third port (P3);

In a fourth operation mode, the valve element (20) communicates the first port (P1) with the tenth port (P0), the ninth port (P9), the eighth port (P8) and the fifth port (P5) communicate, the seventh port (P7), the sixth port (P6) and the second port (P2) communicate, and the valve element (20) closes any one of the fourth port (P4) and the third port (P3).

2. The control valve (1) according to claim 1, characterized in that the control valve (1) also has a fifth operating mode in which the valve body (20) communicates the first port (P1) with the tenth port (P0), the fourth port (P4) with the seventh port (P7), the ninth port (P9) with the sixth port (P6), the eighth port (P8) with the third port (P3), and the fifth port (P5) with the second port (P2).

3. The control valve (1) according to claim 2, wherein the control valve (1) has at least Q operating modes, the spool (20) comprises at least Q conducting segments (DT) extending in an axial direction of the spool (20) and arranged in a circumferential direction of the spool (20), one conducting segment (DT) corresponds to a position of the communication port (102) in any operating mode of the control valve (1), the communication ports (102) are arranged in N x M rows, the communication ports (102) are arranged in N columns in the circumferential direction of the valve body (10), and the communication ports (102) are arranged in M rows in the axial direction of the spool (20);

Along the circumferential direction of the valve body (10), defining a circumferential angle corresponding to the conducting section (DT) as a, and defining a circumferential angle corresponding to the opening where the communication opening (102) is positioned as b, wherein a is larger than N, a is smaller than or equal to 360 degrees, Q is larger than or equal to 5, and b is larger than or equal to 20 degrees.

4. A control valve (1) according to any one of claims 1 to 3, characterized in that the control valve (1) has the first operation mode, the spool (20) comprises a first conducting section (21), the first conducting section (21) has a first longitudinal cavity (211), a second longitudinal cavity (212), a third longitudinal cavity (213) and a fourth longitudinal cavity (214) isolated from each other, the cavity mouth area of the first longitudinal cavity (211) and the cavity mouth area of the third longitudinal cavity (213) are each larger than three times the area of one of the communication ports (102), and the cavity mouth area of the second longitudinal cavity (212) and the cavity mouth area of the fourth longitudinal cavity (214) are each larger than two times the area of one of the communication ports (102);

In the first operation mode, the first conducting section (21) corresponds to the position of the communication port (102), the first longitudinal cavity (211) enables the ninth port (P9), the eighth port (P8) and the fifth port (P5) to be communicated, the third longitudinal cavity (213) enables the tenth port (P0), the seventh port (P7) and the sixth port (P6) to be communicated, the second longitudinal cavity (212) enables the first port (P1) to be communicated with the fourth port (P4), and the fourth longitudinal cavity (214) enables the third port (P3) to be communicated with the second port (P2).

5. The control valve (1) according to claim 4, characterized in that the control valve (1) also has the second operation mode, the spool (20) comprises a second conduction section (22), the second conduction section (22) has a fifth longitudinal chamber (221), a sixth longitudinal chamber (222), a first lateral chamber (223) and at least four first isolation chambers (224), and in the circumferential direction of the spool (20), any one of the extension distance of the fifth longitudinal chamber (221), the extension distance of the sixth longitudinal chamber (222) and the extension distance of the first isolation chambers (224) is smaller than the extension distance of the first lateral chamber (223);

In the second working mode, the second conducting section (22) corresponds to the position of the communication port (102), the first transverse cavity (223) enables the first port (P1) to be communicated with the tenth port (P0), the fifth longitudinal cavity (221) enables the fourth port (P4) to be communicated with the ninth port (P9), the sixth longitudinal cavity (222) enables the third port (P3) to be communicated with the second port (P2), and one first isolation cavity (224) enables one communication port (102) to be closed.

6. The control valve (1) according to claim 5, characterized in that the control valve (1) further has the third operation mode, the spool (20) comprises a third conduction section (23), the third conduction section (23) has a second lateral cavity (231), a seventh longitudinal cavity (232), at least four second isolation cavities (233), at least two eighth longitudinal cavities (234), the third conduction section (23) further has an inner cavity (27) communicating with the eighth longitudinal cavity (234), the inner cavity (27) is located inside the eighth longitudinal cavity (234) in a radial direction of the spool (20), and any one of the seventh longitudinal cavity (232), the eighth longitudinal cavity (234) and the second isolation cavity (233) extends a distance smaller than an extending distance of the second lateral cavity (231) in a circumferential direction of the spool (20);

In the third operation mode, the third conducting section (23) corresponds to the position of the communication port (102), the second transverse cavity (231) enables the first port (P1) to be communicated with the tenth port (P0), the seventh longitudinal cavity (232) enables the eighth port (P8) to be communicated with the ninth port (P9), the eighth longitudinal cavity (234) is communicated with the inner cavity (27) enables the seventh port (P7) to be communicated with the second port (P2), and one isolation cavity enables one communication port (102) to be closed.

7. The control valve (1) according to claim 6, characterized in that the control valve (1) further has a fourth operation mode, the spool (20) includes a fourth conduction section (24), the fourth conduction section (24) has a third lateral chamber (241) isolated from each other, a ninth longitudinal chamber (242), at least two third isolation chambers (244), at least two tenth longitudinal chambers (243) are communicated through the internal chamber (27), and in a circumferential direction of the spool (20), an extension distance of any one of the ninth longitudinal chamber (242), the tenth longitudinal chamber (243), and the third isolation chambers (244) is smaller than an extension distance of the third lateral chamber (241);

In the fourth operation mode, the fourth conduction section (24) corresponds to the position of the communication port (102), the third lateral cavity (241) communicates the first port (P1) with the tenth port (P0), the ninth longitudinal cavity (242) communicates the ninth port (P9), the eighth port (P8) and the fifth port (P5), the tenth longitudinal cavity (243) communicates the seventh port (P7), the sixth port (P6) and the second port (P2) with the internal cavity (27), and one of the isolation cavities closes one of the communication ports (102).

8. The control valve (1) according to claim 7, characterized in that the control valve (1) has a fifth operating mode, the spool (20) comprising a fifth conducting section (25), the fifth conducting section (25) having a fourth transverse chamber (251), a fifth transverse chamber (252), a sixth transverse chamber (253), a seventh transverse chamber (254) and an eighth transverse chamber (255) mutually isolated and arranged along the axial direction of the spool (20);

In the fifth working mode, the fifth conducting section (25) corresponds to the position of the communication port (102), the fourth transverse cavity (251) communicates the first port (P1) with the tenth port (P0), the fifth transverse cavity (252) communicates the fourth port (P4) with the seventh port (P7), the sixth transverse cavity (253) communicates the ninth port (P9) with the sixth port (P6), the seventh transverse cavity (254) communicates the eighth port (P8) with the third port (P3), and the eighth transverse cavity (255) communicates the fifth port (P5) with the second port (P2).

9. The control valve (1) according to claim 8, wherein the spool (20) further comprises an auxiliary segment (261) and a stopper (262), the stopper (262) being connected with the auxiliary segment (261) and protruding from a surface of the auxiliary segment (261), the valve body (10) comprising a stopper (13), the stopper (262) being in limiting connection with the stopper (13) being capable of limiting a rotational limit position of the spool (20);

The first conducting section (21), the second conducting section (22), the third conducting section (23), the fourth conducting section (24), the fifth conducting section (25) and the auxiliary section (261) are arranged along the circumferential direction of the valve core (20) and are mutually isolated.

10. The control valve (1) according to claim 8, wherein the communication ports (102) are arranged in two rows in a circumferential direction of the spool (20), the first port (P1), the fourth port (P4), the ninth port (P9), the eighth port (P8), and the fifth port (P5) are arranged in one row, and the tenth port (P0), the seventh port (P7), the sixth port (P6), the third port (P3), and the second port (P2) are arranged in another row;

the valve comprises a valve core (20), a first port (P1) and a tenth port (P0), a seventh port (P7) and a fourth port (P4), a ninth port (P9) and a sixth port (P6), an eighth port (P8) and a third port (P3) and a fifth port (P5) and a second port (P2), wherein the first port and the tenth port are arranged in a row along the circumferential direction of the valve core (20), the ninth port and the sixth port (P9) are arranged in a row, and the eighth port and the third port (P8) are arranged in a row.

11. The control valve (1) according to any one of claims 1 to 10, wherein the valve body (10) comprises a top wall portion (12), the top wall portion (12) being arranged in a sealing manner with the side wall portion (11), the control valve further comprising a drive assembly (30), a part of the drive assembly (30) being located on a side of the top wall portion (12) facing away from the side wall portion (11), the drive assembly (30) having a motor chamber (33), the drive assembly (30) comprising a motor (34), the motor (34) being located in the motor chamber (33), at least a part of the motor (34) being located on a side of the top wall portion (12) facing towards the side wall portion (11) in the height direction of the control valve (1);

one of the top wall portion (12) and the drive assembly (30) comprises a limit groove (16), the other one comprises a positioning column (32), and at least part of the positioning column (32) is located in the limit groove (16).