CN217502682U - Fluid control assembly - Google Patents

Abstract

The utility model discloses a fluid control assembly, including valve body subassembly, at least two spools and runner plate subassembly, the valve body subassembly has at least two sets of chamber groups, each set of chamber group includes a valve pocket and at least two passageways, the spool is configured to control the on-off of at least two passageways in the same chamber group, at least part of runner plate subassembly is located one side of valve body subassembly and is connected with the valve body subassembly sealing; the valve body assembly comprises a communication channel, the communication channel is used for communicating at least two channels which are respectively arranged in different cavity groups, at least part of the communication channel is provided with an opening facing the runner plate assembly, and the runner plate assembly covers the opening; this facilitates control of multiple flow paths.

Description

Fluid control assembly

Technical Field

The utility model relates to a fluid control field, concretely relates to fluid control subassembly.

Background

Generally, in some thermal management systems, switching between different operating modes of the thermal management system is achieved by providing a plurality of separate valve structures to control the opening and closing of a plurality of branch lines to change the flow path of fluid in the thermal management system. How to provide a fluid control assembly to control the fluid of a plurality of flow paths for convenient use is a problem which needs to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fluid control assembly can control convenient to use to a plurality of flow paths.

The embodiment of the utility model provides a fluid control assembly, including valve body subassembly, at least two spools and runner plate subassembly, the valve body subassembly has at least two sets of chamber groups, every set of the chamber group includes one the valve pocket and at least two passageways, the spool is configured to can control the on-off of at least two passageways in the same chamber group, at least part of the runner plate subassembly is located one side of the valve body subassembly and with the valve body subassembly sealing connection;

wherein the valve body assembly includes a communication passage that communicates passages separately provided in different ones of the chamber groups, at least a part of the communication passage having an opening facing the flow path plate assembly, the flow path plate assembly covering the opening.

According to the fluid control assembly provided by the embodiment of the utility model, the valve body assembly is provided with at least two groups of independent chamber groups, one valve core can be positioned in the valve cavity of one chamber group, and the on and off of at least two channels in the same chamber group can be controlled through the movement of the valve core; further, the valve body assembly comprises a communicating channel, the communicating channel is communicated with two channels which are respectively arranged in different cavity groups, the flow passage plate assembly covers an opening of the communicating channel towards the flow passage plate assembly, the flow passage plate assembly can seal the communicating channel, the channels in the different cavity groups can be communicated and disconnected through the movement of the valve core, and therefore the control of a plurality of flow paths can be achieved through one fluid control assembly, and the convenient use is facilitated.

Drawings

Fig. 1 is an exploded view of a fluid control assembly according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of the fluid control assembly shown in FIG. 1;

FIG. 3 is a schematic illustration of a partial configuration of the fluid control assembly shown in FIG. 2;

FIG. 4 is a schematic cross-sectional structural view of the combined valve body assembly and flow passage plate assembly shown in FIG. 2 in a first position;

FIG. 5 is a schematic cross-sectional view of the combined valve body assembly and flow passage plate assembly shown in FIG. 2 in a second position;

FIG. 6 is a schematic cross-sectional view of the combined valve body assembly and flow passage plate assembly shown in FIG. 2 in a third position;

fig. 7 is a schematic view, partially in cross-section, of a fluid control assembly according to an embodiment of the present invention, showing a schematic view of one of the valve cartridges and the driving member;

fig. 8 is a schematic perspective view of a valve body assembly according to an embodiment of the present invention;

FIG. 9 is a schematic cross-sectional view of the combined valve body assembly and flow passage plate assembly structure shown in FIG. 2 at a fourth location;

fig. 10 is a schematic diagram of a distribution structure of the communicating channel and the conducting section according to an embodiment of the present invention;

fig. 11 is a schematic cross-sectional view of a flow path plate assembly according to an embodiment of the present invention.

Detailed Description

The features and exemplary embodiments of various aspects of the present invention will be described in detail below, and in order to make the objects, technical solutions, and advantages of the present invention more apparent, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. Herein, 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, without necessarily requiring or implying any actual such relationship or order between such elements.

The embodiment of the utility model provides a fluid control assembly, this fluid control assembly can be used to control the flow path among the air conditioning system, the utility model provides an in can circulate coolant liquid or refrigerant in the fluid control assembly to play the function of flow path switching and/or flow control to thermal management systems such as air conditioners.

As shown in fig. 1 to 7, an embodiment of the present invention provides a fluid control assembly 1, including a valve body assembly 10, at least two valve spools 20 and a flow channel plate assembly 30, where the valve body assembly 10 has at least two sets of chamber groups 11, and the chamber groups 11 are arranged along a direction perpendicular to a height direction of the valve body assembly 10, as shown in fig. 4 to 6, the valve body assembly 20 has five sets of chamber groups 11, which are a first chamber group 11a, a second chamber group 11b, a third chamber group 11c, a fourth chamber group 11d, and a fifth chamber group 11e, and each set of chamber groups 11 includes a valve cavity 111 and at least two passages 112, and a fluid can enter or leave the valve body assembly 10 through the passages 112. As shown in fig. 5, taking the second chamber group 11b as an example, the second chamber group 11b includes a second valve cavity 111b and two passages 112b, one of the two passages 112b may be an inlet passage, and the other one may be an outlet passage, and the structures of the other chamber groups are similar to those of the second chamber group, and are not repeated. In other embodiments, the chamber set 11 may also include three or four or other number of channels. One spool 20 is located in one of the valve chambers 111, and the spool 20 is configured to control on and off of at least two passages 112 in the same chamber group 11. At least a portion of the flow field plate assembly 30 is positioned on one side of the valve body assembly 10 and is sealingly coupled to the valve body assembly 10 to effect a seal between the flow field plate assembly 30 and the valve body assembly 10. Herein, the valve body assembly 10, a chamber group 11 and the valve core 20 located in the chamber group 11 are equivalent to constitute a motor-driven valve assembly, as shown in fig. 3, the embodiment of the present invention provides a fluid control assembly equivalent to integrating 5 motor-driven valve assemblies, and the valve core in each motor-driven valve assembly can move independently. The at least two passages 112 communication state herein includes a full-communication state of the at least two passages 112, and may also include a flow regulation state. In practical implementation, the number of the chamber groups 11 and the number of the electric valve assemblies may be set according to the requirement of a user, for example, the number may be 3, 4, 6 or more, and the description is given by taking the example that the valve body assembly 10 includes 5 chamber groups 11 and the fluid control assembly integrates 5 electric valve assemblies.

Referring to fig. 6 to 9, in order to control the flow paths between the plurality of chamber groups 11, the valve body assembly 10 of the embodiment of the present invention includes a communicating passage 12, the communicating passage 12 communicates with at least two passages 112 respectively disposed in different chamber groups 11, at least a portion of the communicating passage 12 has an opening 123 facing the flow path plate assembly 30, and the flow path plate assembly 30 covers the opening 123. Through the arrangement, when the channel of each valve core in the same chamber group 11 is controlled to be on or off, the channels in different chamber groups 11 can form a plurality of flow paths through the communication channel 12, the opening 123 is covered by the flow path plate assembly 30, the communication channel 12 is convenient to seal, the difficulty in manufacturing the communication channel 12 can be reduced, and the communication channel 12 with a complex shape can be manufactured.

Referring further to fig. 6, 8 and 9, in some embodiments, the fluid control assembly 1 has ports 101, at least a portion of the number of ports 101 being located in the valve body assembly 10; the communication passage 12 includes a first sub-passage 121 and a second sub-passage 122 that communicate with each other and intersect in the extending direction; the first sub-passage 121 communicates with one of the valve chambers 111c and the port 101 is located at one end face of the wall portion of the first sub-passage 121, the second sub-passage 122 communicates with the other valve chamber 111d, and at least one of the second sub-passage 122 and the first sub-passage 121 has an opening 123 facing the flow channel plate assembly 30. In specific implementation, at least a part of the first sub-channel 121 and/or at least a part of the second sub-channel 122 may have the opening 123, and by providing the opening 123, compared with a channel intersecting with the internal processing extending direction of the valve body assembly 10, the embodiment of the present invention can facilitate processing the communication channel 12 with a complex shape, and facilitate manufacturing a channel with a curved structure or other complex structures, for example.

In some embodiments, the second sub-channel 122 has an opening 123 and the wall of the second sub-channel 122 is disposed in contact with the flow field plate assembly 30, and the wall of the first sub-channel 121 is disposed at a distance from the flow field plate assembly 30, i.e., when the first sub-channel 121 is not disposed with an opening at a position facing the flow field plate assembly 30, the second sub-channel 122 has an opening 123 facing the flow field plate assembly 30; the first sub-channel 121 extends along a first direction X, the second sub-channel 122 extends along a second direction Y, the first direction X intersects with the second direction Y, the first direction X is a linear direction, and the second direction Y is one or a combination of a linear direction and a curved direction. As shown in fig. 6, in the present embodiment, the second direction Y and the first direction X are both linear directions, and the first sub-channel 121 and the second sub-channel 122 are both linear channels and the extending directions of the two are perpendicular to each other. In other embodiments, the second sub-channel 122 may be a curved channel, or a channel with other structures.

Since each chamber group 11 of the valve body assembly 10 has at least two passages 112 therein, and the communication passage 12 communicates at least two passages 112 in different chamber groups 11, in order to properly arrange the flow passage structure in the valve body assembly 10 and simplify the manufacturing process of the valve body assembly 10, in some embodiments, the first sub-passage 121 of the communication passage 12 is multiplexed as a passage in one of the chamber groups 11, and the second sub-passage 122 is multiplexed as a passage in the other chamber group 11. Specifically, as shown in fig. 6, the first sub-channel 121 is multiplexed as one channel 112c in the third chamber group 11c, and the second sub-channel 122 is multiplexed as one channel 112d in the fourth chamber group 11 d. It can be understood that, also can set up the passageway in the chamber group respectively with the intercommunication passageway, the extending direction of the passageway in intercommunication passageway and the chamber group is crossing, and the intercommunication passageway communicates between the passageway in different chamber groups, the utility model discloses do not restrict this.

As shown in fig. 6 and 8, in some embodiments, the valve body assembly 10 includes a top wall 141, a bottom wall 142, and a side wall 143 at least partially connected between the top wall 141 and the bottom wall 142, when at least a portion of the number of ports 101 of the fluid control assembly are located in the valve body assembly 10, the ports 101 are located at an end surface of the first sub-passage 121 and the ports 101 are located at the side wall 143, the second sub-passage 122 is located at the bottom wall 142 toward the opening 123 of the flow field plate assembly 30, and at least a portion of the flow field plate assembly 30 is in contact with and sealingly disposed at the bottom wall 142; the valve body assembly 10 is provided with M valve cavities and N communicating channels, wherein one communicating channel 12 is communicated with the two valve cavities, M and N are positive integers, and M is larger than or equal to 2N. Through the arrangement, when the number of the valve cavities and the communication passages is large, the positions of the ports 101 and the openings 123 can be conveniently and reasonably arranged, and the communication passages can be conveniently manufactured.

With further reference to fig. 4-10, in some embodiments, at least one of the channels in each of the chamber groups 11 has a flow port LT on the bottom wall 142, the flow channel plate assembly 30 covers the flow port LT, and specifically, each of the chamber groups 11 includes a valve cavity 111 and two flow channels 112, the valve core is configured to control the on and off of the two flow channels 112, the flow port LT of the flow control assembly includes a first flow port LTI, a second flow port LT2, a third flow port LT3, a fourth flow port LT4 and a fifth flow port LT5, the first flow port LTI is a flow port of one of the first chamber groups 11a on the bottom wall 142, the second flow port LT2 is a flow port of one of the second chamber groups 11b on the bottom wall 142, the third flow port LT3 is a flow port of one of the third chamber groups 11c on the bottom wall 142, and the fourth flow port LT4 is a flow port of one of the fourth chamber group 11d on the bottom wall 142, fifth port LT5 is a port in bottom wall 142 for one of the channels in first chamber set 11 e. To facilitate multiple flow-through modes, the flow channel plate assembly 30 further comprises a conducting section 31, the conducting section 31 being in communication with the at least two flow ports LT, such that the conducting section 31 communicates at least two channels in different sets of chambers 11. Through the above arrangement, one part of the channels in the multiple chamber groups are communicated through the communication channel in the valve body assembly 10, and the other part of the channels are communicated through the conduction section 31 in the runner plate assembly 30, so that not only can multiple flow paths of the fluid control assembly be realized, but also compared with the case that all the number of the flow paths communicating the two chamber groups are arranged on one part, for example, all the flow paths are arranged in the valve body assembly 10 or the runner plate assembly 30, the embodiment of the present invention can simplify the structures of the valve body assembly 10 and the runner plate assembly 30.

In some embodiments, one passage in each chamber group has the flow port LT on the bottom wall 142, and when the chamber group of the valve body assembly 10 includes the first chamber group 11a, the second chamber group 11b, and the third chamber group 11c, the first valve chamber 111a of the first chamber group 11a and the second valve chamber 111b of the second chamber group 11b communicate through one of the communication passages 12a, and the flow port LT of the second chamber group 11b and the flow port LT of the third chamber group 11c communicate through one of the communication sections 31 b. Specifically, as shown in fig. 4 to 8, the second port LT2 and the third port LT3 communicate through the conducting segment 31 b.

In some embodiments, the chamber group of the valve body assembly 10 further includes a fourth chamber group 11d and a fifth chamber group 11e, the third valve chamber 111c of the third chamber group 11c and the fourth valve chamber 111d of the fourth chamber group 11d communicate through another communication passage 12b, and the flow passage port LT in the fourth chamber group 11d and the flow passage port LT in the fifth chamber group 11e communicate through another communication section 31 a. Specifically, as shown in fig. 4 to 8, the fourth circulation port LT4 and the fifth circulation port LT5 communicate through the conduction section 31 a.

With further reference to fig. 2-7, in some embodiments, the number of valve cores 20 is the same as the number of chamber groups 11, and an electric valve assembly shown in fig. 7 is used as an example for description, and the rest of the electric valve assemblies have the same or similar structure, and in order to control the individual actions of each valve core 20, the fluid control assembly 1 further includes a driving assembly 40, where the driving assembly 40 includes the same number of driver QDs as the number of valve cores, and one driver QD drives one valve core 20 to act; the driving member QD includes a housing portion QD1, the housing portions QD1 of at least two driving members QD are of an integrated structure or the housing portions of all the driving members are of a split structure, in this embodiment, the housing portions QD1 of all the driving members QD are of an integrated structure, which is convenient for reducing the space occupied by the driving assembly 40.

As shown in fig. 7, the driving member QD may include a stator assembly, a rotor assembly 402, a transmission shaft 403, etc., the stator assembly may include a coil (not shown), in order to prevent fluid from flowing between the stator assembly and the rotor assembly 402, the driving member of the fluid control assembly further includes a sleeve 46, the sleeve 46 is covered on at least a part of the outer peripheral side of the rotor assembly 402, the sleeve 46 is hermetically connected with the valve body assembly 10, and the sleeve 46 is located between the rotor assembly 402 and the stator assembly to fluidly isolate the stator assembly from the rotor assembly. By fluidly isolated two components is meant herein that fluid is not communicated between the two components. When the coil of the driving element QD is energized, the stator assembly generates a magnetic field, under the excitation of the magnetic field of the stator assembly, the rotor assembly 402 drives the transmission shaft 403 to rotate, the transmission shaft 403 is in transmission connection with the valve element 20, so that the transmission shaft 403 drives the valve element 20 to translate, the fluid control assembly further comprises a valve seat 25, the valve port is located on the valve seat 25 and is communicated with one of the channels, the valve seat 25 can be in an integral structure with the valve body assembly 10 or is connected with the valve body assembly 10, the transmission shaft 403 can drive the valve element 20 to translate along a direction close to or far away from the valve seat 25, so as to open or close the two channels in the same chamber group 11, herein, the valve element 20 is defined to move towards a direction far away from the valve seat 25, so that the two channels in the same chamber group are in an open state when being communicated, and the valve element moves towards a direction close to the valve seat 25 and is in a closed state when being sealed with the valve seat 25. It is understood that the driving member QD may also include a transmission assembly, the transmission shaft 403 is in transmission connection with the valve core 20 through the transmission assembly, and further drives the valve core 20 to rotate, the transmission assembly may be a gear or the like, fig. 7 herein shows a structure of a two-way electric valve component including two channels in a chamber set, and in other embodiments, one chamber set may further include three channels or more.

With reference to fig. 1 to 11, in some embodiments, the valve spool 20 includes a first valve spool 20a, a second valve spool 20b, a third valve spool 20c, a fourth valve spool 20d, and a fifth valve spool 20e, at least a portion of the first valve spool 20a is located in the first valve cavity 111a, at least a portion of the second valve spool 20b is located in the second valve cavity 111b, at least a portion of the third valve spool 20c is located in the third valve cavity 111c, at least a portion of the fourth valve spool 20e is located in the fourth valve cavity 111d, and at least a portion of the fifth valve spool 20e is located in the fifth valve cavity 111e of the fifth chamber group 11 e; the driving device QD of the driving assembly 40 includes a first driving device 41 for driving the first valve element 20a, a second driving device 42 for driving the second valve element 20b, a third driving device 43 for driving the third valve element 20c, a fourth driving device 44 for driving the fourth valve element 20d, and a fifth driving device 45 for driving the fifth valve element 20 e; the housing parts of the first driving member 41, the second driving member 42, the third driving member 43, the fourth driving member 44 and the fifth driving member 45 are integrated; the orthographic projection of the first spool 20a, the orthographic projection of the fourth spool 20d, and the orthographic projection of the second spool 20b, the orthographic projection of the third spool 20c, and the orthographic projection of the fifth spool 20e are arranged in one row, and the orthographic projection of the fourth spool 20d is arranged in the other row, respectively, in projection to the flow path plate assembly 30. Through the aforesaid setting, be convenient for rationally arrange driving piece and case, prevent to arrange in the excessive and great scheduling problem of assembly error sum of the quantity of driving piece and case on a line, when installing a plurality of driving pieces in a casing portion, a plurality of case when installing in same valve body subassembly 10, the embodiment of the utility model provides an in the embodiment of the case arrange the mode can be convenient for improve the cooperation precision between each driving piece and each case.

In view of this, in some embodiments, the fluid control assembly has six ports 101, first port P1, second port P2, third port P3, fourth port P4, fifth port P5 and sixth port P6, wherein the first port P1, second port P2 and sixth port P6 are located on the flow path plate assembly 30, the third port P3, fourth port P4 and fifth port P5 are located on the valve body assembly 10, the first port P1 communicates with one passage 112b of the second chamber set 11b through the communication section 312 on the flow path plate assembly 30, the second port P2 communicates with the communication section 31b, the third port P3 communicates with one passage 112e of the fifth chamber set 11e, the sixth port P6 communicates with the communication section 31a, the fifth port P5 communicates with the communication passage 12b, and the fourth port P4 communicates with the communication passage 12 a. Based on the above arrangement, the embodiment of the present invention provides a fluid control assembly having at least one of the following operation modes:

in the first operation mode, the second valve spool 20b moves away from the valve seat 25, and the two passages in the second chamber group 11b are opened, so that the first port P1 and the fourth port P4 are communicated; the first valve element 20a moves in a direction to approach the valve seat 25 and seals against the valve seat, at this time, two passages in the first chamber group 11a are in a disconnected state, and the third valve element 20c moves in a direction to separate from the valve seat, and two passages in the third chamber group 11c are in an open state, so that the second port P2 and the fifth port P5 are communicated; the fourth valve element 20d moves in a direction close to the valve seat and seals against the valve seat, and the fifth valve element 20e moves in a direction away from the valve seat, and the two passages in the fifth chamber group 11e are in an open state, so that the third port P3 and the sixth port P6 communicate.

In the second operation mode, the second valve spool 20b is moved away from the valve seat 25, and the two passages in the second chamber group 11b are opened, so that the first port P1 and the fourth port P4 are communicated; the first valve element 20a moves in a direction close to the valve seat 25 and seals with the valve seat, at this time, two passages in the first chamber group 11a are in an open state, the third valve element 20c moves in a direction close to the valve seat 25 and seals with the valve seat, at this time, two passages in the third chamber group 11c are in an open state, the fifth valve element 20e moves in a direction close to the valve seat 25 and seals with the valve seat, at this time, two passages in the fifth chamber group 11e are in an open state, the fourth valve element 20d moves in a direction away from the valve seat, two passages in the fourth chamber group 11d are in an open state, at this time, the fifth port P5 and the sixth port P6 are communicated, the second port P2 is isolated, and the third port P3 is isolated. Port isolation herein means that, within the context of a fluid control assembly, the port is not in communication with other ports.

In the third operation mode, the first valve element 20a moves in a direction away from the valve seat 25, the two passages in the first chamber group 11a are in an open state, and the second valve element 20b moves in a direction close to the valve seat 25 and is sealed from the valve seat, at this time, the two passages in the second chamber group 11b are in a disconnected state, so that the second port P2 and the fourth port P4 are communicated; the third valve element 20c moves toward the valve seat 25 and seals with the valve seat, at this time, two passages in the third chamber group 11c are in an open state, the fifth valve element 20e moves toward the valve seat 25 and seals with the valve seat, at this time, two passages in the fifth chamber group 11e are in an open state, and the fourth valve element 20d moves away from the valve seat, at this time, two passages in the fourth chamber group 11d are in an open state, at this time, the fifth port P5 and the sixth port P6 are communicated, the first port P1 is isolated, and the third port P3 is isolated.

The different modes of conduction described above are achieved by individually controlling the movement of the valve spool 20. In some other embodiments, the fluid control assembly provided by the present invention may further include a fourth operation mode, in which the third port P3 and the second port P2 can be communicated, the first port P1 is communicated with the fourth port P4, the fifth port P5 is isolated, and the fourth port P4 is isolated. In other embodiments, other working modes, such as three-port communication or four-port communication, may also be implemented by independently controlling the actions of each valve element, and details are not repeated.

Five valve cores are taken as an example for illustration, in other embodiments, the number of the valve cores can be more than two, three, four or six, and the number of the corresponding chamber groups is the same as that of the valve cores. The communication passage and the conducting section may communicate three or more passages.

In summary, according to the fluid control assembly 1 provided by the embodiment of the present invention, the valve body assembly 10 has at least two independent chamber groups 11, one valve core 20 can be located in the valve cavity 111 in one chamber group 11, and the on and off of at least two passages 112 in the same chamber group 11 can be controlled by the movement of the valve core 20, so as to realize the switching of the passages 112 in one chamber group 11; further, the valve body assembly 10 includes the communicating channel 12, the communicating channel 12 conducts the two channels 112 respectively disposed in the different chamber groups 11, and the flow channel plate assembly 30 covers the opening 123 of the communicating channel 12 facing the flow channel plate assembly 30, so that the flow channel plate assembly 30 can seal the communicating channel 12, at this time, the channels 112 in the different chamber groups 11 can be switched by the movement of the valve core 20, thereby realizing that one fluid control assembly 1 can realize the control of a plurality of flow paths, and facilitating the use.

It should be noted that: the above embodiments are only used to illustrate the present invention, but not to limit the technical solutions described in the present invention, such as the definitions of the directions of "front", "back", "left", "right", "up", "down", etc., although the present specification has described the present invention in detail with reference to the above embodiments, it should be understood by those skilled in the art that the present invention can be modified, combined or replaced with other modifications by those skilled in the art, and all technical solutions and modifications thereof that do not depart from the spirit and scope of the present invention should be covered by the claims of the present invention.

Claims (10)

1. A fluid control assembly comprising a valve body assembly having at least two sets of chambers, each set of chambers comprising a valve chamber and at least two passages, at least two valve spools configured to control the opening and closing of at least two passages in the same set of chambers, and a flow passage plate assembly at least partially positioned on one side of the valve body assembly and in sealing engagement with the valve body assembly;

wherein the valve body assembly includes a communication passage that communicates at least two passages separately provided in different ones of the chamber groups, at least a part of the communication passage having an opening facing the flow passage plate assembly, the flow passage plate assembly covering the opening.

2. The fluid control assembly of claim 1, wherein the fluid control assembly has ports, at least a partial number of the ports being located in the valve body assembly;

the communication channel comprises a first sub-channel and a second sub-channel which are communicated with each other and the extension directions of which are intersected; the first sub-passage communicates with one of the valve chambers and the port is located at one end of a wall portion of the first sub-passage, the second sub-passage communicates with the other valve chamber, and at least one of the second sub-passage and the first sub-passage has an opening facing the flow passage plate assembly.

3. The fluid control assembly of claim 2, wherein the second sub-passage has the opening and a wall of the second sub-passage is disposed in contact with the flow field plate assembly, the wall of the first sub-passage being disposed spaced from the flow field plate assembly;

the first sub-channel extends along a first direction, the second sub-channel extends along a second direction, the first direction and the second direction are intersected, the first direction is a linear direction, and the second direction is one or a combination of the linear direction and a curved direction.

4. The fluid control assembly of claim 2 or 3 wherein the first sub-channel is multiplexed as a channel in one of the sets of chambers and the second sub-channel is multiplexed as a channel in another of the sets of chambers.

5. The fluid control assembly of claim 4 wherein the valve body assembly includes a top wall, a bottom wall, and a side wall at least partially connected between the top wall and the bottom wall, the port being located in the side wall, the opening being located in the bottom wall, at least a portion of the flow path plate assembly being in contact with and sealingly disposed in the bottom wall;

the valve body assembly is provided with M valve cavities and N communicating channels, one communicating channel is communicated with two valve cavities, M and N are positive integers, and M is larger than or equal to 2N.

6. The fluid control assembly of claim 5 wherein at least one passage in each of said sets of chambers has a flow port in said bottom wall, said flow passage plate assembly covering said flow port;

the flow channel plate assembly further comprises a conducting section, the conducting section is communicated with the at least two flow ports, and the conducting section is communicated with at least two channels in different chamber groups.

7. The fluid control assembly of claim 6 wherein each said set of chambers includes two said passages and one of said passages has a flow port in said bottom wall;

the chamber group of the valve body assembly comprises a first chamber group, a second chamber group and a third chamber group, the first valve chamber of the first chamber group and the second valve chamber of the second chamber group are communicated through one of the communication passages, and the flow opening of the second chamber group and the flow opening of the third chamber group are communicated through one of the communication sections.

8. The fluid control assembly of claim 7 wherein the groups of chambers of the valve body assembly further include a fourth group of chambers and a fifth group of chambers, the third valve chamber of the third group of chambers and the fourth valve chamber of the fourth group of chambers communicate through another of the communication passages, and the fluid port in the fourth group of chambers and the flow-through port in the fifth group of chambers communicate through another of the communication sections.

9. The fluid control assembly of claim 8 wherein the number of spools is the same as the number of sets of chambers, the fluid control assembly further comprising a drive assembly including the same number of drives as the number of spools, one drive driving the spools;

the driving piece comprises a shell portion, and the shell portion of the driving piece is of an integral structure or is divided into the shell portions of the driving piece in a whole number.

10. The fluid control assembly of claim 9 wherein the spools include a first spool, a second spool, a third spool, a fourth spool, and a fifth spool, at least a portion of the first spool being located in the first valve chamber, at least a portion of the second spool being located in the second valve chamber, at least a portion of the third spool being located in the third valve chamber, at least a portion of the fourth spool being located in the fourth valve chamber, and at least a portion of the fifth spool being located in a fifth valve chamber of the fifth chamber set;

the driving assembly comprises a first driving piece for driving the first valve core to move, a second driving piece for driving the second valve core to move, a third driving piece for driving the third valve core to move, a fourth driving piece for driving the fourth valve core to move and a fifth driving piece for driving the fifth valve core to move;

the shell parts of the first driving part, the second driving part, the third driving part, the fourth driving part and the fifth driving part are of an integrated structure;

and projecting to the runner plate assembly, wherein the orthographic projection of the first valve core and the orthographic projection of the fourth valve core are arranged in one row, and the orthographic projection of the second valve core, the orthographic projection of the third valve core and the orthographic projection of the fifth valve core are arranged in the other row.

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