WO2023041003A1 - Fluid control assembly and thermal management system - Google Patents

Abstract

A fluid control assembly (1000) and a thermal management system (2000). The fluid control assembly (1000) has at least one of the following four operating modes: in a first operating mode, a valve core (20) enables a first port (P1) and a third port (P3) to be communicated, and a second port (P2), a fourth port (P4) and a fifth port (P5) to be communicated; in a second operating mode, the valve core (20) enables the first port (P1) and the third port (P3) to be communicated, and the second port (P2), the fourth port (P4) and a sixth port (P6) to be communicated; in a third operating mode, the valve core (20) enables the first port (P1), the second port (P2) and the sixth port (P6) to be communicated, and the third port (P3) and the fourth port (P4) to be communicated; and in a fourth operating mode, the valve core (20) enables the first port (P1), the second port (P2) and the fifth port (P5) to be communicated, and enables the third port (P3) and the fourth port (P4) to be communicated. In this way, the fluid control of a plurality flow paths can be realized.

Description

Fluid Control Components and Thermal Management Systems

This application claims the priority of the Chinese patent application with the application number 202111086060.6 and the title of the invention "fluid control assembly and thermal management system" filed with the China Patent Office on September 16, 2021, the entire contents of which are incorporated by reference in this application .

technical field

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

Background technique

In the thermal management system, fluid control components need to be used to control the on-off of multiple flow paths. For example, multiple fluid control components are used to control, and a fluid control component is provided to control the fluid of multiple flow paths to facilitate thermal management. The system is more compact.

Contents of the invention

The purpose of this application is to provide a fluid control assembly, which can realize the fluid control of multiple flow paths, and the thermal management system is more compact.

On the one hand, the embodiments of the present application provide a fluid control assembly and a thermal management system, which have an accommodation cavity and a communication port, the fluid control assembly includes a valve body and a valve core, the valve body includes a side wall, and the side wall The portion forms at least part of the peripheral wall of the accommodating chamber, the communication port is located on the side wall, at least part of the valve core is located in the accommodating chamber and can rotate, and the communication port includes a first port, a second port , the third port, the fourth port, the fifth port and the sixth port, the first port, the second port, the third port, the fourth port, the fifth port and the sixth port are arranged at intervals on the side wall , wherein the fluid control assembly has at least one of the following four working modes:

In the first working mode, the spool connects the first port and the third port, and makes the second port, the fourth port and the fifth port conduct, and in the second In the working mode, the spool connects the first port and the third port, and connects the second port, the fourth port and the sixth port. In the third working mode, The spool connects the first port, the second port and the sixth port, and connects the third port with the fourth port. In the fourth working mode, the valve The core conducts the first port, the second port, and the fifth port, and conducts the third port and the fourth port.

On the other hand, an embodiment of the present application provides a thermal management system, including: a first branch, a second branch, a third branch, a fourth branch, and the fluid control assembly described in any one of the above-mentioned embodiments, so that The first branch and the third branch have two ports respectively, the second branch and the fourth branch have three ports respectively; the fluid control assembly also has a seventh port, an eighth port port, ninth port and tenth port, the first port of the first branch communicates with the fifth port of the fluid control assembly, the second port of the first branch communicates with the fifth port of the fluid control assembly One port communicates; the first port of the second branch communicates with the fourth port of the fluid control assembly, the second port of the second branch communicates with the second port of the fluid control assembly, and the The third port of the second branch communicates with the third port of the fluid control assembly; the first port of the third branch communicates with the eighth port of the fluid control assembly, and the first port of the third branch communicates with the eighth port of the fluid control assembly. The second port communicates with the ninth port of the fluid control assembly; the first port of the fourth branch communicates with the tenth port of the fluid control assembly, and the second port of the fourth branch communicates with the fluid The sixth port of the control assembly communicates, and the third port of the fourth branch communicates with the seventh port of the fluid control assembly.

According to the fluid control assembly and thermal management system provided by the embodiments of the present application, the fluid control assembly includes a valve body and a valve core, the fluid control assembly has a communication port, and the communication port includes a first port, a second port, a third port, and a fourth port , the fifth port and the sixth port, by rotating the spool, the spool can lead to different communication ports, so that the fluid control assembly has at least one of four modes, and in the four modes, multiple The different conduction modes between the communication ports enable one fluid control assembly to control multiple flow paths, and it will be more compact when applied to a thermal management system.

Description of drawings

Fig. 1 is a schematic diagram of an exploded structure of a fluid control assembly provided by the first embodiment of the present application;

Fig. 2 is a schematic perspective view of the fluid control assembly provided in the first embodiment of the present application;

Fig. 3 is a front structural schematic view of the fluid control assembly shown in Fig. 2;

Fig. 4 is a schematic cross-sectional structural diagram of the fluid control assembly shown in Fig. 3 along the direction A-A;

Fig. 5 is a schematic cross-sectional structure diagram of the fluid control assembly shown in Fig. 3 along the B-B direction;

Fig. 6 is a schematic cross-sectional structure diagram of a valve body provided by an embodiment of the present application;

Fig. 7 is a schematic diagram of the front view of the valve core provided by the first embodiment of the present application;

Fig. 8 is a schematic cross-sectional structure diagram of the spool shown in Fig. 7 along the C-C direction;

Fig. 9 is a schematic cross-sectional structure diagram of the valve core shown in Fig. 7 along the D-D direction;

Fig. 10 is a schematic cross-sectional structure diagram of the valve core shown in Fig. 7 along the E-E direction;

Fig. 11 is a schematic cross-sectional structure diagram of the valve core shown in Fig. 7 along the F-F direction;

Fig. 12 is a schematic cross-sectional structure diagram of the valve core shown in Fig. 7 along the G-G direction;

Fig. 13 is a schematic diagram of the position of the valve core and the flow relationship of the flow path in the first working mode of the fluid control assembly provided by the first embodiment of the present application;

Fig. 14 is a schematic block diagram of the communication mode of the communication port of the fluid control assembly provided by the first embodiment of the present application in the first working mode;

Fig. 15 is a schematic diagram of the position of the valve core and the flow relationship of the flow path of the fluid control assembly provided in the first embodiment of the present application in the second working mode;

Fig. 16 is a schematic block diagram of the communication mode of the communication port of the fluid control assembly provided in the first embodiment of the present application in the second working mode;

Fig. 17 is a schematic diagram of the position of the valve core and the flow relationship of the flow path in the third sub-mode of the fluid control assembly provided by the first embodiment of the present application;

Fig. 18 is a schematic block diagram of the connection mode of the communication port of the fluid control assembly provided in the first embodiment of the present application in the third sub-working mode;

Fig. 19 is a schematic diagram of the position of the valve core and the flow relationship of the flow path when the fluid control assembly provided by the first embodiment of the present application is in the first sub-mode;

Fig. 20 is a schematic block diagram of the communication mode of the communication port of the fluid control assembly provided by the first embodiment of the present application in the first sub-mode;

Fig. 21 is a schematic diagram of the position of the valve core and the flow relationship of the flow path in the second sub-mode of the fluid control assembly provided by the first embodiment of the present application;

Fig. 22 is a schematic block diagram of the communication mode of the communication port of the fluid control assembly provided in the first embodiment of the application in the second sub-mode;

Fig. 23 is a schematic diagram of the position of the valve core and the flow relationship of the flow path in the fourth sub-mode of the fluid control assembly provided by the first embodiment of the present application;

Fig. 24 is a schematic block diagram of the communication mode of the communication port of the fluid control assembly provided in the first embodiment of the present application in the fourth sub-working mode;

Fig. 25 is a schematic diagram of the front view of the valve core provided by the second embodiment of the present application;

Fig. 26 is a schematic cross-sectional structure diagram of the valve core shown in Fig. 25 along the U-U direction;

Fig. 27 is a schematic cross-sectional structure diagram of the valve core shown in Fig. 25 along the V-V direction;

Fig. 28 is a schematic cross-sectional structure diagram of the valve core shown in Fig. 25 along the H-H direction;

Fig. 29 is a schematic cross-sectional structure diagram of the valve core shown in Fig. 25 along the I-I direction;

Fig. 30 is a schematic cross-sectional structure diagram of the valve core shown in Fig. 25 along the J-J direction;

Fig. 31 is a schematic diagram of the position of the valve core and the flow relationship of the flow path of the fluid control assembly provided by the second embodiment of the present application in the first working mode;

Fig. 32 is a schematic block diagram of the communication mode of the communication port of the fluid control assembly provided by the second embodiment of the present application in the first working mode;

Fig. 33 is a schematic diagram of the position of the valve core and the flow relationship of the flow path in the second working mode of the fluid control assembly provided by the second embodiment of the present application;

Fig. 34 is a schematic block diagram of the communication mode of the communication port of the fluid control assembly provided by the second embodiment of the present application in the second working mode;

Fig. 35 is a schematic diagram of the position of the valve core and the flow relationship of the flow path in the first sub-mode of the fluid control assembly provided by the second embodiment of the present application;

Fig. 36 is a schematic block diagram of the communication mode of the communication port of the fluid control assembly provided by the second embodiment of the present application in the first sub-working mode;

Fig. 37 is a schematic diagram of the position of the valve core and the flow relationship of the flow path in the third sub-mode of the fluid control assembly provided by the second embodiment of the present application;

Fig. 38 is a schematic block diagram of the connection mode of the communication port of the fluid control assembly provided by the second embodiment of the present application in the third sub-mode;

Fig. 39 is a schematic diagram of the position of the valve core and the flow relationship of the flow path in the second sub-mode of the fluid control assembly provided by the second embodiment of the present application;

Fig. 40 is a schematic block diagram of the communication mode of the communication port of the fluid control assembly provided by the second embodiment of the present application in the second sub-mode;

Fig. 41 is a schematic diagram of the position of the valve core and the flow relationship of the flow path in the fourth sub-mode of the fluid control assembly provided by the second embodiment of the present application;

Fig. 42 is a schematic block diagram of the communication mode of the communication port of the fluid control assembly provided by the second embodiment of the present application in the fourth sub-working mode;

Fig. 43 is a schematic diagram of the front view of the valve core provided by the third embodiment of the present application;

Fig. 44 is a schematic cross-sectional structure diagram of the valve core shown in Fig. 43 along the K-K direction;

Fig. 45 is a schematic cross-sectional structure diagram of the valve core shown in Fig. 43 along the L-L direction;

Fig. 46 is a schematic cross-sectional structure diagram of the valve core shown in Fig. 43 along the M-M direction;

Fig. 47 is a schematic cross-sectional structure diagram of the valve core shown in Fig. 43 along the N-N direction;

Fig. 48 is a schematic cross-sectional structure diagram of the valve core shown in Fig. 43 along the O-O direction;

Fig. 49 is a schematic diagram of the position of the valve core and the flow relationship of the flow path of the fluid control assembly provided by the third embodiment of the present application in the first working mode;

Fig. 50 is a schematic block diagram of the communication mode of the communication port of the fluid control assembly provided in the third embodiment and the fourth embodiment of the present application in the first working mode;

Fig. 51 is a schematic diagram of the position of the valve core and the flow relationship of the flow path of the fluid control assembly provided in the third embodiment of the present application in the second working mode;

Fig. 52 is a schematic block diagram of the connection mode of the communication port of the fluid control assembly provided in the third embodiment and the fourth embodiment of the present application in the second working mode;

Fig. 53 is a schematic diagram of the position of the valve core and the flow relationship of the flow path in the first sub-mode of the fluid control assembly provided by the third embodiment of the present application;

Fig. 54 is a schematic block diagram of the connection mode of the communication port of the fluid control assembly provided in the third embodiment and the fourth embodiment of the present application in the first sub-working mode;

Fig. 55 is a schematic diagram of the position of the valve core and the flow relationship of the flow path in the third sub-mode of the fluid control assembly provided by the third embodiment of the present application;

Fig. 56 is a schematic block diagram of the connection mode of the communication port of the fluid control assembly provided in the third and fourth embodiments of the present application in the third sub-mode;

Fig. 57 is a schematic diagram of the position of the valve core and the flow relationship of the flow path in the second sub-mode of the fluid control assembly provided by the third embodiment of the present application;

Fig. 58 is a schematic block diagram of the connection mode of the communication port of the fluid control assembly provided in the third and fourth embodiments of the present application in the second sub-mode;

Fig. 59 is a schematic diagram of the position of the valve core and the flow relationship of the flow path in the fourth sub-mode of the fluid control assembly provided by the third embodiment of the present application;

Fig. 60 is a schematic block diagram of the connection mode of the communication port of the fluid control assembly provided in the third and fourth embodiments of the present application in the fourth sub-working mode;

Fig. 61 is a schematic diagram of the front view of the valve core provided by the fourth embodiment of the present application;

Fig. 62 is a schematic cross-sectional structure diagram of the valve core shown in Fig. 61 along the P-P direction;

Fig. 63 is a schematic cross-sectional structure diagram of the valve core shown in Fig. 61 along the Q-Q direction;

Fig. 64 is a schematic cross-sectional structure diagram of the valve core shown in Fig. 61 along the R-R direction;

Fig. 65 is a schematic cross-sectional structure diagram of the valve core shown in Fig. 61 along the S-S direction;

Fig. 66 is a schematic cross-sectional structure diagram of the valve core shown in Fig. 61 along the T-T direction;

Fig. 67 is a schematic diagram of the position of the valve core and the flow relationship of the flow path of the fluid control assembly provided by the fourth embodiment of the present application in the first working mode;

Fig. 68 is a schematic diagram of the position of the valve core and the flow relationship of the flow path of the fluid control assembly provided in the fourth embodiment of the application in the second working mode;

Fig. 69 is a schematic diagram of the position of the valve core and the flow relationship of the flow path in the first sub-mode of the fluid control assembly provided by the fourth embodiment of the present application;

Fig. 70 is a schematic diagram of the position of the valve core and the flow relationship of the flow path in the third sub-mode of the fluid control assembly provided by the fourth embodiment of the present application;

Fig. 71 is a schematic diagram of the position of the valve core and the flow relationship of the flow path in the second sub-mode of the fluid control assembly provided by the fourth embodiment of the application;

Fig. 72 is a schematic diagram of the position of the valve core and the flow relationship of the flow path in the fourth sub-mode of the fluid control assembly provided by the fourth embodiment of the application;

Fig. 73 is a schematic diagram of a connection frame of a thermal management system provided by an embodiment of the present application.

Detailed ways

The characteristics and exemplary embodiments of various aspects of the application will be described in detail below. In order to make the purpose, technical solution and advantages of the application clearer, the application will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. In this document, relative terms such as "first" and "second", etc. are only used to distinguish one from another element with the same name, and do not necessarily require or imply any such relationship between these elements. Actual relationship or sequence.

An embodiment of the present application provides a fluid control assembly, which can be used in a vehicle thermal management system, specifically, a coolant circulation system, and can perform the functions of conducting and switching the flow path of the thermal management system.

As shown in Figures 1 to 6, the fluid control assembly 1000 includes a valve body 10, a valve core 20 and a seal 30, the fluid control assembly 1000 has a housing cavity 101, the valve body 10 has a side wall portion 11, and the side wall portion 11 forms a housing At least part of the surrounding wall of the cavity 101, the valve body 10 may also include a top wall portion and a bottom cover 12. In this embodiment, the side wall portion 11, the top wall portion, and the bottom cover 12 define the accommodating cavity 101, and the components that define the accommodating cavity 101 It may also include other components except the side wall portion 11, the top wall portion and the bottom cover 12. At least part of the valve core 20 is located in the accommodating cavity 101 and can rotate. Along the radial direction of the side wall portion 11, the seal 30 is located on the side Between the wall part 11 and the valve core 20 is used for sealing the fluid control assembly 1000 . Optionally, the fluid control assembly 1000 further includes a driving assembly 40, the driving assembly 40 includes a driving member, and the driving member may include a motor or a combination of a motor 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 The core 20 rotates.

Further referring to FIG. 1 to FIG. 6 , the fluid control assembly 1000 provided in the first embodiment of the present application is shown. The fluid control assembly 1000 also has a plurality of communication ports. The ports include the first port P1, the second port P2, the third port P3, the fourth port P4, the fifth port P5 and the sixth port P6, the first port P1, the second port P2, the third port P3, the fourth port P4, the fifth port P5 and the sixth port P6 are arranged at intervals on the side wall part 11, as shown in Figure 6, the fifth port P5, the first port P1 and the third port P3 can be spaced along the axial direction of the side wall part 11 Arranged in one row, the sixth port P6 , the second port P2 and the fourth port P4 may be arranged in another row at intervals along the axial direction of the side wall portion 11 . Further, in some embodiments, the fluid control assembly 1000 also has the same number of ports as the communication ports, and the fluid can enter or leave the fluid control assembly 1000 through the ports. The ports can be arranged in two rows of port groups, and each row of port groups includes At least two ports are arranged at intervals in the axial direction of the side wall portion 11 , and the ports communicate with the communication ports correspondingly. All the ports can be arranged on the same plane, which facilitates the installation or integration of the fluid control assembly 1000 with other fluid structures.

When the fluid control assembly 1000 includes the above-mentioned first port P1, second port P2, third port P3, fourth port P4, fifth port P5, and sixth port P6, the fluid control assembly 1000 provided in the embodiment of the present application has At least one of the following four working modes: As shown in Figure 13 and Figure 14, in the first working mode, the spool 20 makes the first port P1 and the third port P3 conduct, and makes the second port P2, the third port The four ports P4 and the fifth port P5 conduct; as shown in Figure 15 and Figure 16, in the second working mode, the spool 20 conducts the first port P1 and the third port P3, and makes the second port P2, the third port The four ports P4 and the sixth port P6 conduct; The three ports P3 and the fourth port P4 are connected; as shown in Figure 17 and Figure 18, and Figure 23 and Figure 24, in the fourth working mode, the spool 20 makes the first port P1, the second port P2 and the fifth port P5 is turned on, and the third port P3 and the fourth port P4 are turned on. Through the above arrangement, the fluid control assembly 1000 can control the different communication modes of multiple communication ports, so that one fluid control assembly 1000 can be used to control multiple flow paths. Wherein, the number of communication ports of the fluid control assembly 1000 in the embodiment of the present application may be six or more, such as seven, eight, nine, ten or more.

Further, referring to Fig. 6, Fig. 13 to Fig. 24, in some embodiments, the communication port also includes the seventh port P7, the eighth port P8, the ninth port P9 and the tenth port P10, the seventh port P7, the eighth port The port P8, the ninth port P9 and the tenth port P10 are arranged at intervals on the side wall part 11. Correspondingly, as shown in Fig. 13 and Fig. 14, in the first working mode, the spool 20 makes the seventh port P7 and the ninth port Port P9 is connected, and the eighth port P8 and the tenth port P10 are connected; The port P8 and the tenth port P10 are connected; the third working mode includes the first sub-mode and the second sub-mode, as shown in Fig. 19 and Fig. 20, in the first sub-mode, the spool 20 makes the ninth port P9 and the tenth port Port P10 is connected, and the seventh port P7 and the eighth port P8 are connected; as shown in Fig. The eighth port P8 communicates with the tenth port P10; the fourth working mode includes the third sub-mode and the fourth sub-mode, as shown in Figure 17 and Figure 18, in the third sub-mode, the spool 20 makes the ninth port P9 and the The tenth port P10 is communicated, and the seventh port P7 and the eighth port P8 are communicated, as shown in Figure 23 and Figure 24, in the fourth sub-mode, the spool 20 communicates the seventh port P7 and the ninth port P9, and makes the seventh port P7 communicate with the ninth port P9. The eighth port P8 communicates with the tenth port P10. One of the flow directions of the fluid flow path FP is shown by the structure with arrows herein, the flow direction of the flow path FP may not be limited to the direction shown in the drawings, and the fluid may also flow in reverse.

As shown in Figures 7 to 13 and Figures 13 to 23, in order to realize the control of multiple flow paths by the fluid control assembly 1000, the embodiment of the present application also provides a first valve core 20, which is provided with The conduction cavity matching the working mode can enable the valve core 20 to switch between multiple working modes when rotating, so as to realize the control of multiple flow paths by the fluid control assembly 1000 .

As shown in FIGS. 7 to 12 , in some embodiments, the valve core 20 has an inner conduction cavity 23 and an outer conduction cavity 21 . The inner conducting cavity 23 communicates with part of the external conducting cavity 21, and the rest of the external conducting cavity 21 is isolated from the internal conducting cavity 23. The interconnected internal conducting cavity 23 and the external conducting cavity 21 can make the two More than two communication ports are conducted, and the external conduction cavity 21 can conduct more than two communication ports. Through the above arrangement, it is possible to make the fluid control assembly include a spool 20 that can realize multiple conduction modes. Compared with using two or more spools to achieve multiple conduction modes, the The control precision is high, and the accuracy of the position feedback of the spool 20 can be improved, and a spool 20 can be controlled to rotate by a motor and other control parts, which can reduce the cost of fluid control components and simplify the control logic of the control parts.

Optionally, the spool 20 includes a plurality of conducting structures CA that are isolated from each other and extend along the axial direction of the spool 20. Optionally, in the spool 20 provided in the first embodiment, the conducting structures CA of the spool 20 The structure may include four conduction structures CA, at least part of each conduction structure CA is arranged along the circumferential direction of the valve core 20, and at least one of the plurality of conduction structures CA can make the communication ports in the two working modes conduct , each conduction structure CA includes a conduction cavity for conducting at least two communication ports. When the valve core 20 rotates to the position where the conduction cavity is opposite to the communication port, the conduction cavity can be connected to the corresponding At least two communication ports are connected. Exemplarily, the conduction structure CA of the spool 20 may include a first structure CA1, a second structure CA2, a third structure CA3 and a fourth structure CA4, a part of the first structure CA1, a part of the second structure CA2, a third The structure CA3 and the fourth structure CA4 are arranged along the circumferential direction of the valve core 20. In order to realize that at least one of the multiple conducting structures CA can conduct the communication ports in the two working modes, the conducting cavity of the conducting structure CA It includes a common conduction chamber COD and an independent conduction chamber IND, wherein the extension distance of the common conduction chamber COD along the circumferential direction of the valve core can be greater than three times the extension distance of the communication port along the circumferential direction of the side wall, and the independent conduction chamber IND along the circumferential direction of the valve core The extension distance of the valve core in the circumferential direction is less than or equal to twice the extension distance of the communicating port along the circumferential direction of the side wall, so that a common conducting chamber COD can conduct the communicating ports in two working modes, and the independent conducting chamber IND can conduct Turn on the communication port in a working mode. Among them, the isolation of one of the passages from the other passage in this article means that there is no communication in the valve core structure, and the two passages can be connected through other components in the thermal management system, or one of the communication ports is connected to the other passage. The isolation of the other communication port means that the side wall is structurally disconnected, and the communication between the two communication ports can be realized through the conduction cavity of the valve core or other components in the thermal management system.

The spool provided in the first embodiment and the conduction modes of the fluid control assembly including the spool in each working mode will be described in detail below.

7 to 24, in some embodiments, the conduction structure CA of the spool 20 includes a first structure CA1, a second structure CA2, a third structure CA3 and a fourth structure CA4, along the axis of the spool 20 In the direction, the orthographic projection of the first structure CA1 and the orthographic projection of the second structure CA2 overlap, the first structure CA1 includes an inner conducting cavity 23 and a plurality of outer conducting cavities 21, and the outer conducting cavity 21 includes at least five independent conducting cavities. Through chambers IND, the independent conduction chambers IND are arranged along the axial direction and the circumferential direction of the valve core 20, and the inner conduction chamber 23 communicates with two of the independent conduction chambers IND. In a specific implementation, the valve core 20 includes a partition 22. Along the radial direction of the valve core 20, the partition 22 is located between the inner conduction cavity 23 and the outer conduction cavity 21. The divider 22 has a through hole 221, and the internal conduction The chamber 23 communicates with two of the independent conduction chambers IND through the through hole 221 , and the remaining independent conduction chambers IND are isolated from the internal conduction chamber 23 by the partition 22 . The external conduction chamber 21 of the second structure CA2 includes at least four independent conduction chambers IND, and the external conduction chamber 21 of the third structure CA3 includes at least four common conduction chambers COD, and the common conduction chamber COD is along the axis of the valve core. Arranged vertically, the external conduction chamber 21 of the fourth structure CA4 includes at least three independent conduction chambers IND and at least two common conduction chambers COD. By setting fewer internal conduction chambers 23, the flow of fluid from the internal conduction chambers 23 can be reduced, and the flow resistance of the fluid control assembly can be reduced by more than 40%; and by setting a common conduction chamber COD, the flow area can be increased Compared with providing an independent conduction chamber for each mode, the fluid control assembly provided by the first embodiment of the present application can increase the flow area by 30%, which is beneficial to reduce the flow resistance.

Correspondingly, referring to Fig. 6 and Fig. 14, in the fluid control assembly provided in the first embodiment, along the axial direction of the valve core 20, the ninth port P9, the seventh port P7, the third port P3, the first port P1 Arranged in sequence with the fifth port P5 to form the first connecting port group PA1, the tenth port P10, the eighth port P8, the fourth port P4, the second port P2 and the sixth port P6 are arranged in sequence to form the second connecting port In the group PA2, the fifth port P5 and the sixth port P6 are arranged along the circumferential direction of the spool 20 , and the second port P2 and the fourth port P4 are arranged along the circumferential direction of the spool 20 .

Based on this, as shown in Figure 13 and Figure 14, in the first working mode, the first structure CA1 corresponds to the position of the communication port, that is, the first structure CA1 is opposite to the position of the communication port, and one of the independent conducting chambers IND and The ninth port P9 and the seventh port P7 are arranged oppositely and make the ninth port P9 and the seventh port P7 conductive, and another independent conduction chamber IND is arranged opposite to the tenth port P10 and the eighth port P8 and makes the tenth port P10 conduction with the eighth port P8; another independent conduction chamber IND is set opposite to the third port P3 and the first port P1 and makes the third port P3 and the first port P1 conduction; An independent conduction cavity IND is disposed opposite to the fourth port P4, the second port P2 and the fifth port P5 and conducts the fourth port P4, the second port P2 and the fifth port P5.

Further referring to Figure 15 and Figure 16, in the second working mode, the second structure CA2 corresponds to the position of the communication port, that is, the second structure CA2 is opposite to the position of the communication port, and one of the independent conduction chambers IND is connected to the ninth port P9 is set opposite to the seventh port P7 and makes the ninth port P9 and the seventh port P7 conductive, and another independent conduction cavity IND is set opposite to the tenth port P10 and the eighth port P8 and makes the tenth port P10 and the eighth port The port P8 conducts; another independent conducting cavity IND is set opposite to the third port P3 and the first port P1 and makes the third port P3 and the first port P1 conduct; another independent conducting cavity IND connects to the fourth port P4 , the second port P2 and the sixth port P6 are arranged oppositely and make the fourth port P4, the second port P2 and the sixth port P6 conduction.

As shown in Figure 17 and Figure 18, in the third sub-mode, a part of the third structure CA3 corresponds to the position of the communication port, that is, a part of the third structure CA3 is opposite to the position of the communication port, and one of them shares the conduction cavity The COD is set opposite to the ninth port P9 and the tenth port P10 and makes the ninth port P9 and the tenth port P10 conduction, and another common conduction chamber COD is set opposite to the seventh port P10 and the eighth port P8 and makes the seventh port The port P10 is connected to the eighth port P8; another common conduction cavity COD is set opposite to the third port P3 and the fourth port P4 and makes the third port P3 and the fourth port P4 conduction; another common conduction cavity COD It is arranged opposite to the first port P1, the second port P2 and the fifth port P5 and conducts the first port P1, the second port P2 and the fifth port P5.

As shown in Figure 19 and Figure 20, in the first sub-mode, the other part of the third structure CA3 corresponds to the position of the communication port, that is, the other part of the third structure CA3 is opposite to the position of the communication port, and one of them shares the conduction cavity The COD is set opposite to the ninth port P9 and the tenth port P10 and makes the ninth port P9 and the tenth port P10 conduction, and another common conduction chamber COD is set opposite to the seventh port P7 and the eighth port P8 and makes the seventh port The port P7 and the eighth port P8 are conducted; another common conduction chamber COD is set opposite to the third port P3 and the fourth port P4 and makes the third port P3 and the fourth port P4 conduction; another common conduction chamber COD It is arranged opposite to the first port P1, the second port P2 and the sixth port P6 and conducts the first port P1, the second port P2 and the sixth port P6.

As shown in Figure 21 and Figure 22, in the second sub-mode, a part of the fourth structure CA4 corresponds to the position of the communication port, that is, a part of the fourth structure CA4 is opposite to the position of the communication port, and one of the independent conduction chambers IND is set opposite to the ninth port P9 and the seventh port P7 and makes the ninth port P9 and the seventh port P7 conductive, and another independent conducting cavity IND is set opposite to the tenth port P10 and the eighth port P8 and makes the tenth port The port P10 is connected to the eighth port P8; one of the common conduction cavity COD is set opposite to the third port P3 and the fourth port P4 and makes the third port P3 and the fourth port P4 conduction; another common conduction cavity COD It is arranged opposite to the first port P1, the second port P2 and the sixth port P6 and conducts the first port P1, the second port P2 and the sixth port P6.

As shown in Figure 23 and Figure 24, in the fourth sub-mode, the other part of the fourth structure CA4 corresponds to the position of the communication port, that is, the other part of the fourth structure CA4 is opposite to the position of the communication port, and one of the independent conduction chambers IND is set opposite to the ninth port P9 and the seventh port P7 and makes the ninth port P9 and the seventh port P7 conductive, and another independent conducting cavity IND is set opposite to the tenth port P10 and the eighth port P8 and makes the tenth port The port P10 is connected to the eighth port P8; one of the common conduction cavity COD is set opposite to the third port P3 and the fourth port P4 and makes the third port P3 and the fourth port P4 conduction; another common conduction cavity COD It is arranged opposite to the first port P1, the second port P2 and the fifth port P5 and conducts the first port P1, the second port P2 and the fifth port P5.

Through the above arrangement, it is possible to make the fluid control assembly include one spool to realize the above-mentioned six conduction modes. Compared with using two or more valve cores to realize multiple conduction modes, the fluid control assembly can be simplified. The number of parts, and the valve core is provided with a common conduction chamber, compared with the independent conduction chamber provided for each mode, the structure of the valve core provided by the embodiment of the present application is simplified, which is conducive to simplifying the structure of the fluid control assembly .

As shown in Fig. 25 to Fig. 42, the spool 20 provided in the second embodiment of the present application and the fluid control assembly including the spool are shown, which are similar in structure to the fluid control assembly provided in the first embodiment, with at least The difference is that the structure of the valve core 20 provided in the second embodiment and the arrangement of the communication ports are different. The following is the structure of the valve core 20 and the fluid control assembly including the valve core provided in the second embodiment of the application. and working modes.

The conduction structure CA of the spool 20 provided by the implementation of this application includes a first structure CA1, a second structure CA2, a third structure CA3 and a fourth structure CA4. Along the axial direction of the spool 20, the orthographic projection of the third structure CA3 and The orthographic projections of the fourth structure CA4 are overlapped, the second structure CA2 and the third structure CA3 each include an inner via cavity 23 and a plurality of outer via cavities 21, and the first structure CA1 and the fourth structure CA4 each include a plurality of outer via cavities 21. Conduction chamber 21. Specifically, the external conduction chamber 21 of the first structure CA1 includes at least three independent conduction chambers IND and at least two common conduction chambers COD, and the external conduction chamber 21 of the second structure CA2 includes at least two common conduction chambers COD and at least three independent conduction cavities IND, the internal conduction cavity 23 communicates with two of the independent conduction cavities IND, the external conduction cavity 21 of the third structure CA3 includes at least five independent conduction cavities IND, the internal conduction cavity The cavity 23 communicates with two of the independent conducting cavities IND, and the fourth structure CA4 includes at least five independent conducting cavities IND.

6 and 32, in the fluid control assembly provided in the second embodiment, along the axial direction of the valve core 20, the ninth port P9, the seventh port P7, the first port P1, the second port P2 and The fifth port P5 is arranged in sequence to form the first connecting port group PA1, the tenth port P10, the eighth port P8, the third port P3, the fourth port P4 and the sixth port P6 are arranged in sequence to form the second connecting port group PA2, the fifth port P5 and the sixth port P6 are arranged along the circumferential direction of the valve core 20 , and the second port P2 and the fourth port P4 are arranged along the circumferential direction of the valve core 20 .

Based on this, as shown in Figure 31 to Figure 32, in the first mode, a part of the first structure CA1 corresponds to the position of the communication port, that is, a part of the first structure CA1 is opposite to the position of the communication port, and one of the independent guides The through cavity IND is set opposite to the ninth port P9 and the seventh port P7 and makes the ninth port P9 and the seventh port P7 conductive, and another independent conduction cavity IND is set opposite to the tenth port P10 and the eighth port P8 and makes the The tenth port P10 is connected to the eighth port P8; one of the common conduction cavity COD is set opposite to the third port P3 and the first port P1 and makes the third port P3 and the first port P1 conduction; The cavity COD is arranged opposite to the second port P2, the fourth port P4 and the fifth port P5 and conducts the second port P2, the fourth port P4 and the fifth port P5.

As shown in Figure 33 to Figure 34, in the second mode, the other part of the first structure CA1 corresponds to the position of the communication port, that is, the other part of the first structure CA1 is opposite to the position of the communication port, and one of the independent conduction chambers IND Set opposite to the ninth port P9 and the seventh port P7 and make the ninth port P9 and the seventh port P7 conduct P10 is connected to the eighth port P8; one of the common conduction chambers COD is set opposite to the third port P3 and the first port P1 and makes the third port P3 and the first port P1 conduction; another common conduction chamber COD is connected to the first port P1 The second port P2 , the fourth port P4 and the sixth port P6 are oppositely arranged and the second port P2 , the fourth port P4 and the sixth port P6 are connected.

As shown in Figure 35 to Figure 36, in the first sub-mode, a part of the second structure CA2 corresponds to the position of the communication port and is located opposite to each other, and one of the common conduction chambers COD is connected to the ninth port P9 and the tenth port P10 It is arranged oppositely and makes the ninth port P9 and the tenth port P10 conductive, and another common conduction cavity COD is arranged opposite to the seventh port P7 and the eighth port P8 and makes the seventh port P7 and the eighth port P8 conductive; An independent conduction chamber IND is set opposite to the third port P3 and the fourth port P4 and makes the third port P3 and the fourth port P4 conduction; the other two independent conduction chambers IND are connected to the first port P1 and the second port P2 It is disposed opposite to the sixth port P6, and the two independent conduction chambers IND communicate with the internal conduction chamber IND to conduct the first port P1, the second port P2 and the sixth port P6.

As shown in Figure 37 to Figure 38, in the third sub-mode, the other part of the second structure CA2 corresponds to the position of the communication port and is located opposite to each other, one of which shares the conduction cavity COD with the ninth port P9 and the tenth port P10 It is arranged oppositely and makes the ninth port P9 and the tenth port P10 conductive, and another common conduction cavity COD is arranged opposite to the seventh port P7 and the eighth port P8 and makes the seventh port P7 and the eighth port P8 conductive; An independent conduction cavity IND is set opposite to the third port P3 and the fourth port P4 and conducts the third port P3 and the fourth port P4; another independent conduction cavity IND is connected to the first port P1, the second port P2 and the The fifth port P5 is oppositely disposed and makes the first port P1, the second port P2 and the fifth port P5 conduction.

As shown in Figure 39 to Figure 40, in the second sub-mode, the third structure CA3 corresponds to the position of the communicating port and is located opposite to each other, wherein an independent conducting cavity IND is located opposite to the ninth port P9 and the seventh port P7 and Make the ninth port P9 and the seventh port P7 conduction, and another independent conduction chamber IND is set opposite to the tenth port P10 and the eighth port P8 to conduct the tenth port P10 and the eighth port P8; another independent conduction cavity The through cavity IND is set opposite to the third port P3 and the fourth port P4 and conducts the third port P3 and the fourth port P4; the other two independent conduction cavities IND are connected to the first port P1, the second port P2 and the sixth port. The ports P6 are oppositely arranged, and the two independent conduction chambers IND communicate with the internal conduction chambers of the independent conduction chambers IND and make the first port P1, the second port P2 and the sixth port P6 conduction.

As shown in Figures 41 to 42, in the fourth sub-mode, the fourth structure CA4 corresponds to the position of the communication port and is located opposite to each other, wherein an independent conducting cavity IND is located opposite to the ninth port P9 and the seventh port P7 and Make the ninth port P9 and the seventh port P7 conduction, and another independent conduction chamber IND is set opposite to the tenth port P10 and the eighth port P8 to conduct the tenth port P10 and the eighth port P8; another independent conduction cavity The through cavity IND is set opposite to the third port P3 and the fourth port P4 and conducts the third port P3 and the fourth port P4; another independent conduction cavity IND is connected to the first port P1, the second port P2 and the fifth port P5 is oppositely disposed and makes the first port P1 , the second port P2 and the fifth port P5 conduction.

As shown in Fig. 43 to Fig. 60, the spool 20 provided in the third embodiment of the present application and the fluid control assembly including the spool are shown, which are similar in structure to the fluid control assembly provided in any of the above embodiments, at least The difference lies in the structure of the spool 20 provided by the third embodiment and the arrangement of the communication ports. The following describes the spool 20 provided by the third embodiment of the present application and the fluid control assembly including the spool. The structure and working mode are introduced.

In some embodiments, the conduction structure CA of the spool 20 includes a first structure CA1, a second structure CA2, a third structure CA3 and a fourth structure CA4, along the axial direction of the spool 20, the orthographic projection of the first structure CA1 Overlapping with the orthographic projection of the second structure CA2, the first structure CA1, the third structure CA3 and the fourth structure CA4 each include an inner conducting cavity 23 and a plurality of outer conducting cavities 21, and the second structure CA2 includes a plurality of outer conducting cavities 21. Conduction chamber 21. Specifically, the external conducting cavity 21 of the first structure CA1 includes at least five independent conducting cavities IND, the internal conducting cavity 23 communicates with two of the independent conducting cavities IND, and the external conducting cavity 21 of the second structure CA2 includes At least four independent conduction chambers IND, the external conduction chamber 21 of the third structure CA3 includes at least four common conduction chambers COD and at least one independent conduction chamber IND, wherein one common conduction chamber COD and one independent conduction chamber The IND is connected, and the fourth structure CA4 includes at least two shared conduction chambers COD and at least four independent conduction chambers IND, wherein one shared conduction chamber COD communicates with one independent conduction chamber IND.

6 and 50, in the fluid control assembly provided in the third embodiment, along the axial direction of the spool 20, the ninth port P9, the seventh port P7, the first port P1, the third port P3 and the fifth port The ports P5 are arranged in sequence to form the first connecting port group PA1, the tenth port P10, the eighth port P8, the second port P2, the fourth port P4 and the sixth port P6 are arranged in sequence to form the second connecting port group PA2, The fifth port P5 and the sixth port P6 are arranged along the circumferential direction of the valve core 20 , and the third port P3 and the fourth port P4 are arranged along the circumferential direction of the valve core 20 .

Based on this, as shown in Figure 49 to Figure 50, in the first mode, the first structure CA1 corresponds to the position of the communication port and is located opposite to each other, and one independent conducting cavity IND is opposite to the ninth port P9 and the seventh port P7 Set and make the ninth port P9 and the seventh port P7 conductive, and another independent conduction chamber IND is set opposite to the tenth port P10 and the eighth port P8 and makes the tenth port P10 and the eighth port P8 conductive; another The independent conduction cavity IND is set opposite to the third port P3 and the first port P1 and conducts the third port P3 and the first port P1; the other two independent conduction chambers IND are connected to the second port P2, the fourth port P4 and The fifth port P5 is disposed opposite to each other, and the two independent conduction chambers IND communicate with the two independent conduction chambers IND to conduct the second port P2, the fourth port P4 and the fifth port P5.

As shown in Fig. 51 to Fig. 52, in the second mode, the second structure CA2 corresponds to and is arranged opposite to the position of the communication port, wherein an independent conduction chamber IND is arranged opposite to the ninth port P9 and the seventh port P7 and makes the second structure CA2 The ninth port P9 is connected to the seventh port P7, and another independent conduction chamber IND is set opposite to the tenth port P10 and the eighth port P8 to conduct the tenth port P10 and the eighth port P8; another independent conduction chamber IND is set opposite to the third port P3 and the first port P1 and makes the third port P3 and the first port P1 conduction; another independent conduction chamber IND is opposite to the second port P2, the fourth port P4 and the sixth port P6 Set and make the second port P2, the fourth port P4 and the sixth port P6 conduction.

As shown in Figure 53 to Figure 54, in the first sub-mode, a part of the third structure CA3 corresponds to the position of the communication port and is located opposite to each other, and one of the common conduction chambers COD is connected to the ninth port P9 and the tenth port P10 Set oppositely and make the ninth port P9 and the tenth port P10 conductive, and another common conduction cavity COD is arranged opposite to the seventh port P7 and the eighth port P8 and make the seventh port P7 and the eighth port P8 conduction; One common conduction cavity COD is set opposite to the third port P3 and the fourth port P4 and makes the third port P3 and the fourth port P4 conduction; another common conduction cavity COD and an independent conduction cavity IND are connected to the first port P1, the second port P2 and the sixth port P6 are arranged oppositely, and the common conduction cavity COD, the independent conduction cavity IND and the internal conduction cavity 23 connected to each other make the first port P1, the second port P2 and the sixth port P6 conduction.

As shown in Figure 55 to Figure 56, in the third sub-mode, the other part of the third structure CA3 corresponds to the position of the communication port and is located opposite to each other, one of which shares the conduction cavity COD with the ninth port P9 and the tenth port P10 Set oppositely and make the ninth port P9 and the tenth port P10 conductive, and another common conduction cavity COD is arranged opposite to the seventh port P7 and the eighth port P8 and make the seventh port P7 and the eighth port P8 conduction; One common conduction cavity COD is set opposite to the third port P3 and the fourth port P4 and makes the third port P3 and the fourth port P4 conduction; another common conduction cavity COD and an independent conduction cavity IND are connected to the first port P1, the second port P2 and the fifth port P5 are arranged oppositely, and the common conduction cavity COD, the independent conduction cavity IND and the internal conduction cavity 23 connected to each other make the first port P1, the second port P2 and the fifth port P5 conduction.

As shown in Figure 57 to Figure 58, in the second sub-mode, a part of the fourth structure CA4 corresponds to the position of the communicating port and is located opposite to each other, and one independent conducting cavity IND is connected to the ninth port P9 and the seventh port P7 The ninth port P9 and the seventh port P7 are oppositely arranged, and another independent conduction chamber IND is arranged opposite to the tenth port P10 and the eighth port P8 to conduct the tenth port P10 and the eighth port P8; One shared conduction chamber COD is set opposite to the third port P3 and the fourth port P4 and makes the third port P3 and the fourth port P4 conduction; the other shares the conduction chamber COD and the independent conduction chamber IND with the first port P1 , the second port P2 and the sixth port P6 are arranged oppositely, and the common conduction cavity COD, the independent conduction cavity IND and the interconnected internal conduction cavity 23 make the first port P1, the second port P2 and the sixth port P6 is turned on.

As shown in Figures 59 to 60, in the fourth sub-mode, the other part of the fourth structure CA4 corresponds to the position of the communicating port and is located opposite to each other, wherein an independent conducting cavity IND is connected to the ninth port P9 and the seventh port P7 Set oppositely and make the ninth port P9 and the seventh port P7 conductive, and another independent conduction cavity IND is set opposite to the tenth port P10 and the eighth port P8 and make the tenth port P10 and the eighth port P8 conduction; An independent conduction cavity IND is set opposite to the third port P3 and the fourth port P4 and conducts the third port P3 and the fourth port P4; another independent conduction cavity IND is connected to the first port P1, the second port P2 and the The fifth port P5 is oppositely disposed and makes the first port P1 , the second port P2 and the fifth port P5 conduction.

50, FIG. 52, FIG. 54, FIG. 56, FIG. 58, and FIG. The structure of the fluid control assembly provided by any one of the embodiments is similar, at least the difference is that the structure of the valve core 20 provided by the third embodiment is different, and the arrangement of the communication ports is different from some of the embodiments. The structure and working mode of the valve core 20 provided in the fourth embodiment of the present application and the fluid control assembly including the valve core will be introduced below.

In some embodiments, the valve core 20 includes a plurality of conducting structures CA isolated from each other, the multiple conducting structures CA are arranged along the circumferential direction of the valve core 20, and each conducting structure CA includes an internal conducting cavity 23 and The external conduction cavity 21 and one conduction structure CA can correspondingly realize the conduction of the communication ports in one mode. Optionally, the spool 20 includes a first structure CA1, a second structure CA2, a third structure CA3, a fourth structure CA4, a fifth structure CA5 and a sixth structure CA6 which are isolated from each other, and the external conduction of each conduction structure CA The through cavities 21 are all independent conduction cavities IND, and in each conduction structure CA, the inner conduction cavity 23 communicates with two of the outer conduction cavities 21 .

In the fluid control assembly provided in the fourth embodiment with reference to Fig. 6 and Fig. 50, along the axial direction of the valve core 20, the ninth port P9, the seventh port P7, the first port P1, the third port P3 and the fifth port P5 is arranged in sequence to form the first connecting port group PA1, the tenth port P10, the eighth port P8, the second port P2, the fourth port P4 and the sixth port P6 are arranged in sequence to form the second connecting port group PA2, and the The fifth port P5 and the sixth port P6 are arranged along the circumferential direction of the valve core 20 , and the third port P3 and the fourth port P4 are arranged along the circumferential direction of the valve core 20 .

67 and 50, in the fluid control assembly provided in the fourth embodiment, along the axial direction of the valve core 20, the ninth port P9, the seventh port P7, the first port P1, the third port P3 and the fifth port The ports P5 are arranged in sequence to form the first connecting port group PA1, the tenth port P10, the eighth port P8, the second port P2, the fourth port P4 and the sixth port P6 are arranged in sequence to form the second connecting port group PA2, The fifth port P5 and the sixth port P6 are arranged along the circumferential direction of the valve core 20 , and the third port P3 and the fourth port P4 are arranged along the circumferential direction of the valve core 20 .

Based on this, as shown in Figure 67 to Figure 50, in the first mode, the first structure CA1 corresponds to the position of the communication port and is located opposite to each other, and one independent conducting cavity IND is opposite to the ninth port P9 and the seventh port P7 Set and make the ninth port P9 and the seventh port P7 conductive, and another independent conduction chamber IND is set opposite to the tenth port P10 and the eighth port P8 and makes the tenth port P10 and the eighth port P8 conductive; another The independent conduction cavity IND is set opposite to the third port P3 and the first port P1 and conducts the third port P3 and the first port P1; the other two independent conduction chambers IND are connected to the second port P2, the fourth port P4 and The fifth port P5 is disposed opposite to each other, and the two independent conduction chambers IND communicate with the two independent conduction chambers IND to conduct the second port P2, the fourth port P4 and the fifth port P5.

As shown in Fig. 68 to Fig. 52, in the second mode, the fifth structure CA5 corresponds to and is arranged opposite to the position of the communication port, wherein an independent conduction cavity IND is arranged opposite to the ninth port P9 and the seventh port P7 and makes the fifth structure CA5 The ninth port P9 is connected to the seventh port P7, and another independent conduction cavity IND is set opposite to the tenth port P10 and the eighth port P8 to conduct the tenth port P10 and the eighth port P8; another independent conduction cavity IND is set opposite to the third port P3 and the first port P1 and makes the third port P3 and the first port P1 conduction; the other two independent conducting chambers IND are connected to the second port P2, the fourth port P4 and the sixth port P6 The internal conduction chambers disposed opposite to each other, and the two independent conduction chambers IND communicate with the two independent conduction chambers IND make the second port P2, the fourth port P4 and the sixth port P6 conduction.

As shown in Figure 69 to Figure 54, in the first sub-mode, the third structure CA3 corresponds to the position of the communication port and is located opposite to each other, wherein an independent conduction cavity IND is located opposite to the ninth port P9 and the tenth port P10 and Make the ninth port P9 and the tenth port P10 conduction, and another independent conduction chamber IND is set opposite to the seventh port P7 and the eighth port P8 and conducts the seventh port P7 and the eighth port P8; The conduction cavity IND is set opposite to the third port P3 and the fourth port P4 and makes the third port P3 and the fourth port P4 conductive; the other two independent conduction chambers IND are connected to the first port P1, the second port P2 and the fourth port The six ports P6 are arranged opposite to each other, and the independent conduction cavity IND and the internal conduction cavity communicated with each other make the first port P1, the second port P2 and the sixth port P6 conduction.

As shown in Figure 70 to Figure 56, in the third sub-mode, the sixth structure CA6 corresponds to the position of the communication port and is located opposite to each other, wherein an independent conducting cavity IND is located opposite to the ninth port P9 and the tenth port P10 and Make the ninth port P9 and the tenth port P10 conduction, and another independent conduction chamber IND is set opposite to the seventh port P7 and the eighth port P8 and conducts the seventh port P7 and the eighth port P8; The conduction cavity IND is set opposite to the third port P3 and the fourth port P4 and makes the third port P3 and the fourth port P4 conductive; the other two independent conduction chambers IND are connected to the first port P1, the second port P2 and the fourth port The five ports P5 are arranged opposite to each other, and the independent conduction cavity IND and the internal conduction cavity communicated with each other make the first port P1, the second port P2 and the fifth port P5 conduction.

As shown in Figure 71 to Figure 58, in the second sub-mode, the fourth structure CA4 corresponds to the position of the communication port and is located opposite to each other, wherein an independent conduction chamber IND is located opposite to the ninth port P9 and the seventh port P7 and Make the ninth port P9 and the seventh port P7 conduction, and another independent conduction chamber IND is set opposite to the tenth port P10 and the eighth port P8 to conduct the tenth port P10 and the eighth port P8; another independent conduction cavity The through cavity IND is set opposite to the third port P3 and the fourth port P4 and conducts the third port P3 and the fourth port P4; the other two independent conduction cavities IND are connected to the first port P1, the second port P2 and the sixth port. The ports P6 are oppositely arranged, and the two independent conduction chambers IND and the interconnected internal conduction chambers make the first port P1, the second port P2 and the sixth port P6 conduction.

As shown in Figure 72 to Figure 60, in the fourth sub-mode, the second structure CA2 corresponds to the position of the communication port and is located opposite to each other, wherein an independent conduction chamber IND is located opposite to the ninth port P9 and the seventh port P7 and Make the ninth port P9 and the seventh port P7 conduction, and another independent conduction chamber IND is set opposite to the tenth port P10 and the eighth port P8 to conduct the tenth port P10 and the eighth port P8; another independent conduction cavity The through chamber IND is set opposite to the third port P3 and the fourth port P4 and makes the third port P3 and the fourth port P4 conduction; the other two independent conduction chambers IND are connected to the first port P1, the second port P2 and the fifth port The ports P5 are oppositely arranged, and the independent conduction cavity IND and the interconnected internal conduction cavity conduct the first port P1, the second port P2 and the fifth port P5.

To sum up, according to the fluid control assembly 1000 provided by the embodiment of the present application, the fluid control assembly 1000 includes a valve body 10 and a valve core 20, and the fluid control assembly 1000 has a communication port, and the communication port includes the first port P1, the second port P2, the second port The three ports P3, the fourth port P4, the fifth port P5 and the sixth port P6, by rotating the valve core 20, the valve core 20 can lead to different communication ports, so that the fluid control assembly 1000 has at least four modes. One, in the four modes, different conduction modes between multiple communication ports can be realized, so that one fluid control assembly 1000 can control multiple flow paths FR, and it will be more compact when applying a thermal management system.

On the other hand, as shown in FIG. 73, the embodiment of the present application also provides a thermal management system 2000, including a first branch 80, a second branch 50, a third branch 60, a fourth branch 70 and any of the above A fluid control assembly 1000 of an embodiment.

The first branch 80 and the third branch 60 have two ports respectively, the second branch 50 and the fourth branch 70 have three ports respectively, specifically, the two ports of the first branch 80 are the first Port 801 and second port 802, the three ports of the second branch 50 are respectively the first port 501, the second port 502 and the third port 503, and the two ports of the third branch 60 are respectively the first port 601 and The second port 602 and the three ports of the fourth branch 70 are the first port 701 , the second port 702 and the third port 703 respectively.

The fluid control assembly 1000 has 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 The tenth port P10, the first port 801 of the first branch 80 communicates with the fifth port P5 of the fluid control assembly 1000, the second port 802 of the first branch 80 communicates with the first port P1 of the fluid control assembly 1000; The first port 501 of the second branch 50 communicates with the fourth port P4 of the fluid control assembly 1000, the second port 502 of the second branch 50 communicates with the second port 502 of the fluid control assembly 1000, and the second port 502 of the second branch 50 The three ports 503 communicate with the third port P3 of the fluid control assembly 1000; the first port 601 of the third branch 60 communicates with the eighth port P8 of the fluid control assembly 1000, and the second port 602 of the third branch 60 communicates with the fluid control The ninth port P9 of the assembly 1000 communicates; the first port 701 of the fourth branch 70 communicates with the tenth port P10 of the fluid control assembly 1000, and the second port 702 of the fourth branch 70 communicates with the sixth port of the fluid control assembly 1000 P6 communicates, and the third port 703 of the fourth branch 70 communicates with the seventh port P7 of the fluid control assembly 1000 . Wherein, the port of each branch can communicate with each communication port through the port of the fluid control assembly 1000 .

In the embodiment of the present application, the fluid control assembly 1000 has ten communication ports, and the first branch 10 , the second branch 20 , the third branch 30 and the fourth branch 40 are respectively connected to the corresponding communication ports of the fluid control assembly 1000 The four branches are connected into a thermal management system through the fluid control assembly 1000, so that the fluid control assembly 1000 makes the connection of the thermal management system relatively simple.

In some embodiments, the first branch 80 may include a first pump 83 and a first thermostat, the first pump 83 and the first thermostat are connected in series, and the first thermostat includes a heater 11 and a refrigeration unit. At least one of the devices 12, in this embodiment, the first port 801 of the first branch 80 communicates with the second port 802 of the first branch 80 through the first pump 13, the refrigerator 12, and the heater 11 , the first pump 13 can provide power for the coolant in the first branch 10 , and then can make the coolant flow in the thermal management system.

The second branch 50 includes a first heat exchanger 51, the first port 501 of the second branch 50 communicates with the third port 503 of the second branch 50 through the first heat exchanger 51, and the first port 503 of the second branch 50 The second port 502 communicates with the third port 503 of the second branch 50 through the first heat exchanger 51 . In this embodiment, the first heat exchanger 21 can be used to adjust the temperature of heating devices such as batteries.

The third branch 60 includes a second heat exchanger 61 , and the first port 601 of the third branch 60 communicates with the second port 602 of the third branch 60 through the second heat exchanger 61 . The second heat exchanger 61 can be used to adjust the temperature of heat-generating equipment such as motors.

The fourth branch 70 includes a second pump 71 and a second thermostat 72, the first port of the second thermostat 72 communicates with the first port of the second pump 71, the first port 701 of the fourth branch 70 communicates with The second port of the second pump 71 communicates or is the second port of the second pump 71, the second port 702 of the fourth branch 70 communicates with the second port of the second thermostat 72, and the second port 702 of the fourth branch 70 communicates with the second port of the second thermostat 72. The three ports 703 communicate with the first port of the second pump 71 . In this embodiment, the coolant in the second temperature controller 72 can exchange heat with the air, absorb heat from the air or release heat to the air.

It should be noted that: the above embodiments are only used to illustrate the present application and not to limit the technical solutions described in the present application, such as "front", "rear", "left", "right", "upper", "lower" For the definition of isodirectionality, although this specification has described the application in detail with reference to the above-mentioned embodiments, those of ordinary skill in the art should understand that those skilled in the art can still modify, combine or equivalent Replacement, and all technical solutions and improvements that do not depart from the spirit and scope of the application shall fall within the scope of the claims of the application.

Claims (12)

1. A fluid control assembly, characterized in that it has an accommodating chamber and a communication port, the fluid control assembly includes a valve body and a valve core, the valve body includes a side wall portion, and the side wall portion forms at least one of the accommodating chamber Part of the peripheral wall, the communication port is located on the side wall, at least part of the valve core is located in the accommodating chamber and can rotate, and the communication port includes a first port, a second port, a third port, and a fourth port , the fifth port and the sixth port, the first port, the second port, the third port, the fourth port, the fifth port and the sixth port are on the side wall Interval settings, wherein the fluid control assembly has at least one of the following four operating modes:

   In the first working mode, the spool connects the first port and the third port, and makes the second port, the fourth port and the fifth port conduct, and in the second In the working mode, the spool connects the first port and the third port, and connects the second port, the fourth port and the sixth port. In the third working mode, The spool connects the first port, the second port and the sixth port, and connects the third port with the fourth port. In the fourth working mode, the valve The core conducts the first port, the second port, and the fifth port, and conducts the third port and the fourth port.
2. The fluid control assembly according to claim 1, wherein the communication port further includes a seventh port, an eighth port, a ninth port and a tenth port, the seventh port, the eighth port, the The ninth port and the tenth port are arranged at intervals on the side wall;

   In the first working mode and the second working mode, the spool communicates the seventh port with the ninth port, and connects the eighth port with the tenth port, the The third working mode includes a first sub-mode and a second sub-mode. In the first sub-mode, the spool communicates the ninth port with the tenth port, and connects the seventh port with the In the second sub-mode, the spool communicates the seventh port with the ninth port, and connects the eighth port with the tenth port, the first The four working modes include a third sub-mode and a fourth sub-mode. In the third sub-mode, the spool communicates the ninth port with the tenth port, and connects the seventh port with the The eighth port is connected, and in the fourth sub-mode, the spool connects the seventh port with the ninth port, and connects the eighth port with the tenth port.
3. The fluid control assembly according to claim 2, wherein the valve core includes an inner pilot chamber and an outer pilot chamber, and along the radial direction of the valve core, the inner pilot chamber is located at the outer pilot chamber. Inside the through chamber, the inner conduction chamber communicates with part of the outer conduction chamber, and the interconnected inner conduction chamber and the outer conduction chamber allow more than two communication ports to conduct.
4. The fluid control assembly according to claim 3, wherein the valve core includes a plurality of conducting structures isolated from each other and extending along the axial direction of the valve core, at least part of each conducting structure is along the The circumferential direction of the spool is arranged, and at least one of the plurality of conducting structures can conduct the communication ports in the two working modes.
5. The fluid control assembly according to claim 4, wherein the conduction structure comprises a first structure, a second structure, a third structure and a fourth structure, and the first structure comprises the internal conduction cavity and a plurality of the external conduction cavities, the second structure, the third structure and the fourth structure each include a plurality of the external conduction cavities;

   In the first working mode, the first structure corresponds to the position of the communication port; in the second working mode, the second structure corresponds to the position of the communication port; mode and the third sub-mode, the third structure corresponds to the position of the communication port, in the second sub-mode and the fourth sub-mode, the fourth structure corresponds to the position of the communication port correspond.
6. The fluid control assembly according to claim 5, characterized in that, along the axial direction of the valve core, the ninth port, the seventh port, the third port, the first port and the The fifth port is arranged in sequence to form the first connecting port group, and the tenth port, the eighth port, the fourth port, the second port and the sixth port are arranged in sequence to form the second port group. The port group is connected, the fifth port and the sixth port are arranged along the circumferential direction of the valve core, and the first port and the second port are arranged along the circumferential direction of the valve core.
7. The fluid control assembly according to claim 4, wherein the conductive structure comprises a first structure, a second structure, a third structure and a fourth structure, and each of the second structure and the third structure is including the inner conduction cavity and a plurality of the outer conduction cavities, the first structure and the fourth structure each include a plurality of the outer conduction cavities;

   In the first working mode and the second working mode, the first structure corresponds to the position of the communication port, and in the first submode and the third submode, the second structure corresponds to the position of the communicating port. The position of the communicating port corresponds, in the second sub-mode, the third structure corresponds to the position of the communicating port, in the fourth sub-mode, the fourth structure corresponds to the position of the communicating port correspond.
8. The fluid control assembly according to claim 7, characterized in that, along the axial direction of the valve core, the ninth port, the seventh port, the first port, the second port and the The fifth port is arranged in sequence to form the first connecting port group, and the tenth port, the eighth port, the third port, the fourth port and the sixth port are arranged in sequence to form the second port group. The fifth port and the sixth port are arranged along the circumferential direction of the valve core, and the second port and the fourth port are arranged along the circumferential direction of the valve core.
9. The fluid control assembly according to claim 4, wherein the conductive structure comprises a first structure, a second structure, a third structure and a fourth structure, and the first structure, the third structure and the Each of the fourth structures includes the inner conduction cavity and a plurality of the outer conduction cavities, and the second structure includes a plurality of the outer conduction cavities;

   In the first working mode, the first structure corresponds to the position of the communication port; in the second working mode, the second structure corresponds to the position of the communication port; mode and the third sub-mode, the third structure corresponds to the position of the communication port, in the second sub-mode and the fourth sub-mode, the fourth structure corresponds to the position of the communication port correspond.
10. The fluid control assembly according to claim 3, wherein the valve core includes a plurality of conducting structures isolated from each other, the multiple conducting structures are arranged along the circumferential direction of the valve core, and each of the Each of the conduction structures includes the inner conduction cavity and the outer conduction cavity, and one conduction structure can correspondingly realize the conduction of the communication port in one working mode.
11. The fluid control assembly according to claim 9 or 10, characterized in that, along the axial direction of the valve core, the ninth port, the seventh port, the first port, the third port and The fifth port is arranged in sequence to form a first communication port group, and the tenth port, the eighth port, the second port, the fourth port and the sixth port are arranged in sequence to form In the second communication port group, the fifth port and the sixth port are arranged along the circumferential direction of the valve core, and the third port and the fourth port are arranged along the circumferential direction of the valve core.
12. A thermal management system, characterized by comprising: a first branch, a second branch, a third branch, a fourth branch and the fluid control assembly according to any one of claims 1 to 11, the first One branch and the third branch respectively have two ports, and the second branch and the fourth branch respectively have three ports;

    The fluid control assembly also has a seventh port, an eighth port, a ninth port and a tenth port, the first port of the first branch communicates with the fifth port of the fluid control assembly, and the first branch The second port of the road communicates with the first port of the fluid control assembly; the first port of the second branch communicates with the fourth port of the fluid control assembly, and the second port of the second branch communicates with the fourth port of the fluid control assembly. The second port of the fluid control assembly communicates, the third port of the second branch communicates with the third port of the fluid control assembly; the first port of the third branch communicates with the fluid control assembly The eighth port is connected, the second port of the third branch is connected with the ninth port of the fluid control assembly; the first port of the fourth branch is connected with the tenth port of the fluid control assembly, so The second port of the fourth branch communicates with the sixth port of the fluid control assembly, and the third port of the fourth branch communicates with the seventh port of the fluid control assembly.

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