Fluid control module

Abstract

A fluid control module, comprising a runner plate assembly (200) and a valve part (1), wherein the runner plate assembly (200) comprises a first plate body (22), a second plate body (23), and a third plate body (24); the first plate body (22) comprises a first mounting portion (223), and the first mounting portion (223) comprises a first mounting hole (224); the second plate body (23) comprises a second mounting portion (231), and the second mounting portion (231) comprises a second mounting hole (232); the valve part (1) comprises a valve seat (9) and a valve port seat (7); part of the valve port seat (7) is located in the valve seat (9); the valve seat (9) is in fixed or limited connection with the valve port seat (7); part of the valve seat (9) is located in the first mounting hole (224); and the valve seat (9) is fixedly connected to the first mounting portion (223), and the valve port seat (7) is in sealed connection with the second mounting portion (231). According to the fluid control module provided in embodiments of the present solution, the valve seat (9) is connected to the first mounting portion (223), and the valve port seat (7) is directly connected to the second mounting portion (231), such that the mounting structure of the valve part (1) and a runner plate is relatively simple.

Description

Fluid control module

[0001] The present application claims priority to the Chinese patent application No. 202410444380.1, filed on April 12, 2024, and entitled "Fluid control module", the content of which is incorporated herein by reference in its entirety. TECHNICAL FIELD

[0002] The present application relates to the technical field of thermal management, in particular to a fluid control module. BACKGROUND

[0003] In order to reduce the weight of the thermal management module, the flow channel plate is formed by stacking multiple layers of plates. However, the connection between the valve component and the flow channel plate is a problem to be solved. In the related art, as shown in FIG. 16, the thermal management module further includes a valve body 27, the valve body 27 is fixed with adjacent plate bodies in the flow channel plate assembly respectively, and then the assembly of the valve seat and the valve port seat is connected with the valve body. The structure is relatively complex. SUMMARY

[0004] The purpose of the present application is to provide a fluid control module with a relatively simple valve component and flow channel plate mounting structure.

[0005] The embodiment of the present application provides a fluid control module, which comprises a flow channel plate assembly and a valve component. The flow channel plate assembly comprises a first plate body, a second plate body and a third plate body. The first plate body and the third plate body are respectively located on the opposite sides of the second plate body. The flow channel plate assembly comprises a first flow channel and a second flow channel. The first flow channel and the second flow channel are located on the opposite sides of the second plate body. The first plate body comprises a first mounting portion, and the first mounting portion comprises a first mounting hole. The second plate body comprises a second mounting portion, and the second mounting portion comprises a second mounting hole. The second mounting hole is in communication with the first flow channel and the second flow channel. The valve component comprises a valve seat and a valve port seat. Part of the valve seat is located in the first mounting hole, and the valve seat is fixedly connected with the first mounting portion. One end of the valve port seat is located in the valve seat, and the valve seat and the valve port seat are fixedly or limitingly connected. The other end of the valve port seat is sealingly connected with the second mounting portion.

[0006] The fluid control module provided by the embodiment of the present application has the advantages that the valve seat is connected with the first mounting portion, and the valve port seat is directly connected with the second mounting portion. The valve component and the flow channel plate mounting structure of the present application are relatively simple. BRIEF DESCRIPTION OF DRAWINGS

[0007] FIG. 1 is a perspective structural schematic view of the fluid control module of the present application;

[0008] FIG. 2 is a sectional schematic view of the fluid control module of FIG. 1;

[0009] Fig. 3 is a schematic diagram of the flow channel plate assembly of Fig. 1;

[0010] Fig. 4 is an exploded schematic diagram of the flow channel plate assembly of Fig. 3;

[0011] Fig. 5 is another schematic diagram of the flow channel plate assembly of Fig. 1;

[0012] Fig. 6 is a schematic diagram of an example structure of the first mounting portion;

[0013] Fig. 7 is a schematic diagram of the connection structure between the valve port seat and the flow channel plate assembly of Fig. 1;

[0014] Fig. 8 is a schematic diagram of another embodiment of the first mounting portion;

[0015] Fig. 9 is a partial enlarged view of A in Fig. 8;

[0016] Fig. 10 is a schematic diagram of another embodiment of the first mounting portion of Fig. 8;

[0017] Fig. 11 is a schematic diagram of the connection element;

[0018] Fig. 12 is a schematic diagram of the connection between the flow channel plate assembly and the valve seat;

[0019] Fig. 13 is a partial enlarged view of B in Fig. 12;

[0020] Fig. 14 is a schematic diagram of another embodiment of the flow channel plate assembly of Fig. 12;

[0021] Fig. 15 is a schematic diagram of the connection element of Fig. 12;

[0022] Fig. 16 is a schematic diagram of a fluid control module in the related art. DETAILED DESCRIPTION

[0023] The present application will be further described below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings; the words "bottom" and "top", "inner" and "outer" refer to the directions towards or away from the geometric center of a particular component.

[0024] It should be understood that although first, second, third, fourth, etc. can be used in this application to describe various information, these information should not be limited to these descriptions. These terms are only used to distinguish the same type of information from each other. Multiple means two or more. The features of the technical solutions in the present application can be complementary or replaced with each other without conflict.

[0025] The fluid control assembly of the technical scheme can have various embodiments, at least one of which can be applied to a vehicle thermal management system, at least one of which can be applied to a household thermal management system or a commercial thermal management system or other thermal management systems, and the following will be described with reference to the vehicle thermal management device as an example in combination with the drawings.

[0026] In combination with FIGS. 1-15, the flow channel plate assembly 200 includes a first plate body 22, a second plate body 23, and a third plate body 24, the first plate body 22 and the third plate body 24 are respectively located on the opposite sides of the second plate body 23, the flow channel plate assembly 200 includes a first flow channel 201 and a second flow channel 202, the first flow channel 201 and the second flow channel 202 are located on the opposite sides of the second plate body 23, a part of the wall forming the first flow channel 201 is located on the first plate body 22, and a part of the wall forming the second flow channel 202 is located on the third plate body 24; the first plate body 22 includes a first mounting portion 223, the first mounting portion 223 includes a first mounting hole 224, the second plate body 23 includes a second mounting portion 231, the second mounting portion 231 includes a second mounting hole 232, and the second mounting hole 232 is coaxially arranged with the first mounting hole 224; the flow channel plate assembly 200 has a mounting cavity 203, the wall forming the mounting cavity 203 includes the wall forming the first mounting hole 224; the fluid control module further includes a valve component 1, at least part of the valve component 1 is located in the mounting cavity 203, and the valve component 1 is fixedly connected with the flow channel plate assembly 200. It should be noted that the coaxial arrangement here is not an absolute coaxial arrangement, but can be within the allowable range of tolerance; the valve component 1 is fixedly connected with the flow channel plate assembly, which can be understood as that the valve component 1 can be directly fixedly connected with the flow channel plate assembly 200, or the valve component 1 can be indirectly fixedly connected with the flow channel plate assembly 200 through other components. The flow channel plate assembly 200 includes at least one first flow channel 201 and at least one second flow channel 202, the first flow channel 201 and the second flow channel 202 are arranged along the axial direction of the mounting cavity 203, and it can also be understood that along the axial direction of the mounting cavity 203 of the flow channel plate assembly 200, the first flow channel 201 is closer to the valve component 1 than the second flow channel 202, that is, the first flow channel 201 and the second flow channel 202 are arranged up and down along the axial direction of the mounting cavity 203, and in this scheme, multiple flow channels are formed by stacking multiple plate bodies, compared with the arrangement mode of flow channel paving, the design of this scheme can increase the spatial flexibility of the layout of the fluid control module.

[0027] The flow channel plate control module further comprises a valve body 30, at least part of the valve body 30 is located in the installation cavity 203, the valve body 30 is fixedly connected with the flow channel plate assembly 200; the valve body 30 has a containing cavity 301, part of the valve component 1 is located in the containing cavity 301, and the valve component 1 is fixedly connected with the valve body 30; the first flow channel 201 is in communication with the containing cavity 301, and the second flow channel 202 can be selectively in communication with the containing cavity 301. The valve body 30 has a containing cavity 301, the first flow channel 201 is in communication with the containing cavity 301, and the second flow channel 202 is in communication with the containing cavity 301. The on-off of the fluid from the first flow channel 201 to the second flow channel 202 or the size of the flow of the fluid from the first flow channel 201 to the second flow channel 202 is controlled by adjusting the valve component 1. In the related art, the valve body 30 or the valve island structure is located outside the flow part or the flow channel plate, the inlet of the fluid is arranged on the valve body 30 or the valve island, the fluid is bent upward from the first flow channel 201 to flow into the valve body 30, and then flows into the second flow channel 202 through the valve port of the valve body 30, so that the flow resistance is increased. In the embodiment, the first flow channel 201 and the second flow channel 202 are arranged in an up-down mode, part of the valve body 30 is located in the installation cavity 203, and then the valve port is also located in the installation cavity 203, the fluid in the first flow channel 201 flows downward to the second flow channel 202 through the valve port, the fluid flows in the direction of gravity, and there is no bending at the inlet and the outlet of the fluid, compared with the related art, the flow resistance of the fluid is relatively reduced.

[0028] The flow channel plate assembly 200 comprises at least three plate bodies, which are arranged and fixedly connected in axial stacking along the mounting cavity 203, and cooperate with each other to form the first flow channel 201, the second flow channel 202, and the mounting cavity 203. It should be noted that the at least three plate bodies form two flow channels, i.e., the first flow channel 201 and the second flow channel 202. Of course, in other embodiments, more than three plate bodies can be included, and the flow channel can also be three layers or more than three layers, i.e., a third flow channel, a fourth flow channel, etc. can be provided. The number of plate bodies and the number of layers of flow channels can be set according to the requirements of the system. Of course, the first flow channel 201 and the second flow channel 202 can also be provided in multiple pieces. The flow channel of the present application is formed by stacking a plurality of plate bodies, i.e., in the direction of stacking the plate bodies, a plurality of layers of flow channels are formed. Through the stacked structure of the plurality of plate bodies, the selection range of the processing technology selected by the plate bodies is wider, such as extrusion, forging, stamping, etc. Compared with the flat arrangement, the structural design of the present application can increase the spatial flexibility of the heat management layout. In the present application, at least one of the first mounting portion 223, the second mounting portion 231, the partial wall portion forming the first flow channel 201, and the partial wall portion forming the second flow channel 202 is stamped. In order to facilitate manufacturing, in a specific embodiment, the plate bodies are stamping plates, wherein at least one plate body is stamped to form a portion of the first flow channel 201 and a portion of the mounting cavity 203, and at least another plate body is stamped to form a portion of the second flow channel 202. The stamping process is relatively mature, and the manufacturing cost is relatively low. Compared with other processes, the stamping process can be used to manufacture plate bodies with relatively complex structural design of the flow channel.

[0029] With reference to FIG. 5, one of the embodiments of the flow channel plate assembly 200 is described in detail. The flow channel plate assembly 200 includes a first plate body 22, a second plate body 23, and a third plate body 24. The first plate body 22, the second plate body 23, and the third plate body 24 are stacked along an axial direction. The first plate body 22 has a first recess 221. An opening of the first recess 221 faces the second plate body 23 along the axial direction. The first plate body 22 cooperates with the second plate body 23 to form a part of a first flow channel 201. The wall of the first flow channel 201 includes a wall of the first recess 221 and a part of the wall of the second plate body 23. The wall of the first recess 221 includes a first bottom wall portion 222 opposite to the opening of the first recess 221. The flow channel plate assembly 200 includes a mounting cavity 203. The mounting cavity 203 is in communication with the first flow channel 201. It can be understood that the mounting cavity 203 is a part of the first flow channel 201. The first plate body 22 includes a first mounting portion 223. The first mounting portion 223 is located at the first bottom wall portion 222. The first mounting portion 223 includes a first mounting hole 224. The first mounting hole 224 penetrates the first bottom wall portion 222 along the axial direction. The first mounting hole 224 is an opening of the mounting cavity 203. The wall of the mounting cavity 203 includes a part of the wall of the first recess 221 and a part of the wall of the second plate body 23. The second plate body 23 has a second mounting portion 231. The second mounting portion 231 has a second mounting hole 232. The second mounting hole 232 penetrates the second plate body 23 along the axial direction. The third plate body 24 has a third recess 241. An opening of the third recess 241 faces the second plate body 23 along the axial direction. The second plate body 23 and the third plate body 24 cooperate to form a part of a second flow channel 202. The wall of the second flow channel 202 includes a wall of the third recess 241 and a part of the wall of the second plate body 23. The second mounting hole 232 is in communication with the first flow channel 201 and the second flow channel 202. In this embodiment, the first mounting hole 224 and the second mounting hole 232 are coaxial or approximately coaxial along the axial direction. The first plate body 22 is fixedly and sealingly connected to the second plate body 23. The second plate body 23 is fixedly and sealingly connected to the third plate body 24. In this embodiment, the first plate body 22 and the second plate body 23 are fixed by welding. The contact surfaces of the plate bodies are coated with solder or welding sheets are arranged between the plate bodies. The first plate body 22 and the second plate body 23 form a first welding portion at the contact surface. The second plate body 23 and the third plate body 24 form a second welding portion at the contact surface.In the embodiment, the first plate body 22, the second plate body 23 and the third plate body 24 are stamping runner plates, that is, the first groove 221 of the first plate body 22 and the third groove 241 of the third plate body 24 are realized in a stamping manner, the first mounting hole 224 can be understood as a flanging hole, the single plate is stamped to form the groove, the plates are stacked and welded to seal to form the runner, the design of the runner can be more complex, the manufacturing difficulty is reduced, and the mounting cavity 203 belongs to a part of the groove, that is, the mounting cavity 203 is also formed by stacking the plates, compared with the existing extruded and forged runner plate, the technical scheme of the application reduces the weight of the runner plate, and the manufacturing of the runner plate is relatively simple.

[0030] In some other embodiments, the flow channel plate assembly 200 further comprises a fourth plate body 25, as shown in FIGS. 1-4, which is located between the second plate body 23 and the third plate body 24 along the stacking direction of the plate bodies. The second plate body 23 has a second groove 233, which has an opening facing the first plate body 22 along the axial direction. The first plate body 22 cooperates with the second plate body 23 to form part of the first flow channel 201, i.e., the wall of the first flow channel 201 comprises the wall of the second groove 233 and the wall of the part of the first plate body 22. It can be understood that the first plate body 22 can be a flat plate structure or can be provided with a groove to cooperate with the second plate body 23 to form part of the flow channel. The flow channel plate assembly 200 comprises a mounting cavity 203, which communicates with the first flow channel 201 or can be understood as part of the first flow channel 201. The first plate body 22 comprises a first mounting portion 223, which protrudes from the upper end of the first plate body 22. The first mounting portion 223 comprises a first mounting hole 224, which penetrates the upper and lower ends of the first plate body 22 along the axial direction. The first mounting hole 224 is the opening of the mounting cavity 203, i.e., the wall of the mounting cavity 203 comprises the wall of the part of the second groove 233 and the wall of the part of the first plate body 22. The second plate body 23 has a second mounting portion 231, which has a second mounting hole 232 located at the bottom wall of the mounting cavity 203. The second mounting hole 232 penetrates the second plate body 23 along the axial direction, i.e., the first mounting hole 224 and the second mounting hole 232 are coaxial or approximately coaxial. It should be noted that approximately coaxial here means within the tolerance range. The third plate body 24 has a third groove 241, which has an opening facing the fourth plate body 25 along the axial direction. The fourth plate body 25 and the third plate body 24 cooperate to form part of the second flow channel 202, i.e., the wall of the second flow channel 202 comprises the wall of the third groove 241 and the wall of the part of the fourth plate body 25. The fourth plate body 25 has a third mounting portion 251, which comprises a third mounting hole 252. The third mounting hole 252 penetrates the upper and lower ends of the fourth plate body 25 along the axial direction. A first plane is defined, which is perpendicular to the axial direction of the mounting cavity 203. The projection of the third mounting hole 252 on the first plane comprises the projection of the second mounting hole 232 on the first plane. It can be understood that the fourth plate body 25 can be a flat plate structure or can be provided with a groove to cooperate with the third plate body 24 to form part of the flow channel and / or the fourth plate body 25 cooperates with the second plate body 23 to form part of the flow channel. In this embodiment, the first mounting hole 224, the second mounting hole 232, and the third mounting hole 252 are coaxial or approximately coaxial along the axial direction, and the diameter of the third mounting hole 252 is greater than the diameter of the second mounting hole 232.The first plate body 22 is fixedly and sealingly connected with the second plate body 23, the second plate body 23 is fixedly and sealingly connected with the fourth plate body 25, the third plate body 24 is fixedly and sealingly connected with the fourth plate body 25, and specifically, the fixed mode in the embodiment is welding fixation, welding is performed on the contact surface of each plate body by coating solder or arranging a welding sheet between each plate body, that is, the first plate body 22 and the second plate body 23 form a first welding portion on the contact surface, the second plate body 23 and the fourth plate body 25 form a second welding portion on the contact surface, and the third plate body 24 and the fourth plate body 25 form a third welding portion on the contact surface. In the embodiment, the first plate body 22, the second plate body 23, the third plate body 24 and the fourth plate body 25 are stamping runner plates, that is, the second groove 233 of the second plate body 23 and the third groove 241 of the third plate body 24 are realized by stamping, the first mounting hole 224 can be understood as a flanging hole, the grooves are formed by stamping a single plate, and the runner is formed by stacking and welding the plates. The design of the runner can be more complex, the manufacturing difficulty is reduced, and the mounting cavity 203 is part of the groove, that is, the mounting cavity 203 is also formed by stacking the plates. Compared with the existing extruded and forged runner plate, the technical scheme of the application reduces the weight of the runner plate and relatively simplifies the manufacturing of the runner plate.

[0031] In combination with FIGS. 1-2, the valve device 100 comprises a valve component 1 and a stator component 2, the stator component 2 is located at least partially around the valve component 1, the stator component 2 is fixedly or limitingly connected with the valve component 1, further, the stator component 2 and the valve component 1 can also be sealingly arranged, which is beneficial to prevent water vapor or other impurities in the external environment from entering the assembly gap between the stator component 2 and the valve component 1, causing corrosion or failure inside the stator component 2. The stator component 2 comprises a coil assembly 21 and an injection molding portion 211, the injection molding portion 211 covers at least part of the coil assembly 21, that is, the stator component 2 is at least injection molded with the coil assembly 21 as an insert, and the valve device 100 is electrically and / or signal connected with the external environment through the stator component 2.

[0032] The valve component 1 comprises a valve seat 9, a nut assembly, a sleeve 3, a rotor assembly and a valve core assembly; wherein the sleeve 3 is in a tubular structure with one end open and the other end closed, the one end of the sleeve 3 is welded and fixed with the upper end of the valve seat 9, and the rotor assembly and the nut assembly are located in the cavity formed by the sleeve 3 and the valve seat 9; the stator component 2 is located outside the sleeve 3, the valve core assembly is in transmission connection with the rotor assembly; a predetermined current is input into the stator component 2, so as to generate an excitation magnetic field to drive the rotor assembly to rotate, the rotor assembly drives the valve core assembly to rotate, the valve core assembly is in threaded connection with the nut assembly, and the rotation of the rotor assembly is converted into the axial action of the valve core assembly relative to the valve seat 9. The valve component 1 further comprises a valve port seat 7, the valve port seat 7 has a valve port, part of the valve port seat 7 is located in the inner cavity of the valve seat 9, and the valve port seat 7 is in limiting connection with the valve seat 9, the valve core assembly can be axially actuated relative to the valve port, the valve core part of the valve core assembly cooperates with the valve port to adjust the flow area of the valve port or the opening degree of the valve port, so as to realize the flow regulation of the refrigerant.

[0033] In combination with FIG. 1, a specific embodiment of the fluid control module of the present application is described in detail, the fluid control module comprises a flow channel plate assembly 200 and a valve component 1, the flow channel plate assembly 200 comprises a first plate body 22, a second plate body 23 and a third plate body 24, the first plate body 22 and the third plate body 24 are respectively located on the opposite sides of the second plate body 23, the flow channel plate assembly 200 comprises a first flow channel 201 and a second flow channel 202, the first flow channel 201 and the second flow channel 202 are located on the opposite sides of the second plate body 23, the first plate body 22 comprises a first mounting part 223, the first mounting part 223 comprises a first mounting hole 224, the second plate body 23 comprises a second mounting part 231, the second mounting part 231 comprises a second mounting hole 232, at least one of the first mounting part 223 and the second mounting part 231 is stamped, the valve component 1 comprises a valve seat 9 and a valve port seat 7, part of the valve port seat 7 is located in the valve seat 9, the valve seat 9 and the valve port seat 7 are fixed or limitingly connected, part of the valve seat 9 is located in the first mounting hole 224, and the valve seat 9 is fixedly connected with the first mounting part 223, the valve port seat 7 is sealingly connected with the second mounting part 231. At least one of the first mounting part 223 and the second mounting part 231 is stamped, compared with the related art, the process of stamping of the present application is simpler, and the flow channel plate assembly 200 has the first mounting part 223 and the second mounting part 231, the first mounting part 223 and the second mounting part 231 are respectively on different plate bodies, the valve seat 9 is fixedly connected with the valve port seat 7, the valve seat 9 is connected with the first mounting part 223, and the valve port seat 7 is directly connected with the second mounting part 231, in the related art, the flow channel plate assembly 200 further comprises a valve body 30, the valve body 30 is first fixed with the flow channel plate assembly 200, and then the assembly of the valve seat 9 and the valve port seat 7 is connected with the valve body 30, so that the structure of the present application is relatively simple.

[0034] In one embodiment of the present application, the second mounting portion 231 is stamped, and the fluid control module comprises a first seal 13 and a first accommodating cavity 131, the first seal 13 is located in the first accommodating cavity 131; the fluid control module comprises a first accommodating groove 71, the first accommodating groove 71 is located in at least one of the valve port seat 7 or the second mounting portion 231, and the wall forming the first accommodating cavity 131 comprises the wall forming the first accommodating groove 71. It can be understood that the first seal 13 is located between the second mounting portion 231 and the valve port seat 7, which is used to reduce or prevent the fluid from flowing from the first flow passage 201 to the second flow passage 202 in the closed state of the valve, so as to prevent internal leakage. As shown in FIGS. 6-7, in this scheme, the first accommodating groove 71 is located in the valve port seat 7, and the opening of the first accommodating groove 71 faces the second mounting portion 231 in the direction of stacking the plate body, and the wall forming the first accommodating cavity 131 comprises the wall forming the first accommodating groove 71 and part of the wall of the second mounting portion 231. The vertical distance from the bottom wall of the first accommodating groove 71 to the second mounting portion 231 is defined as L1, and the distance from the top end to the low end of the first seal 13 is L2, then L1 is less than L2. It can be understood that the first seal 13 is located in the first accommodating cavity 131, and the first seal 13 is in a compressed state, which can more effectively prevent internal leakage of the valve component 1. In other embodiments, the first accommodating groove 71 can be provided in the second mounting portion 231, and the wall forming the first accommodating cavity 131 comprises the wall forming the first accommodating groove 71 and part of the wall of the valve port seat 7, or part of the first accommodating groove 71 is provided in the second mounting portion 231, and part of the first accommodating groove 71 is provided in the valve port seat 7.

[0035] As shown in FIGS. 2 and 6, in another embodiment, the second mounting portion 231 comprises a first step portion 235, the first step portion 235 comprises a first upper wall portion 2351 and a first side wall portion 2352, the first side wall portion 2352 extends towards the direction of the second flow passage 202 relative to the first upper wall portion 2351, part of the valve port seat 7 is located in the second mounting hole 232, the first accommodating groove 71 is located in the valve port seat 7, the opening of the first accommodating groove 71 faces the first side wall portion 2352, the vertical distance from the bottom wall of the first accommodating groove 71 to the first side wall portion 2352 is L1, and the distance from the top end to the low end of the first seal 13 is L2, then L1 is less than L2. It can be understood that the first seal 13 is located in the first accommodating cavity 131, and the first seal 13 is in a compressed state, which can more effectively prevent internal leakage of the valve component 1. In other embodiments, the first accommodating groove 71 can be provided in the second mounting portion 231, and the wall forming the first accommodating cavity 131 comprises the wall forming the first accommodating groove 71 and part of the wall of the valve port seat 7, or part of the first accommodating groove 71 is provided in the second mounting portion 231, and part of the first accommodating groove 71 is provided in the valve port seat 7.

[0036] The valve component 1 comprises a valve seat 9, a support portion 91 is located on the valve seat 9, the support portion 91 protrudes away from the axis of the valve seat 9 relative to the outer wall portion of the valve seat 9, that is, the outer diameter of the support portion 91 is greater than the outer diameter of the upper section above the support portion 91 and the lower section below the support portion 91 on the valve seat 9, and it can also be understood that the support portion 91 is a protruding structure protruding from the outer wall of the valve seat 9. In this application, part of the valve port seat 7 is located in the inner cavity of the valve seat 9, the valve port seat 7 is fixedly connected or limitingly connected with the valve seat 9, and the valve seat 9 is fixedly connected with the first mounting portion 223. As shown in FIG. 6, the first mounting portion 223 is a split structure, the first mounting portion 223 comprises a first sub-mounting portion 2231 and a second sub-mounting portion 2232, the first sub-mounting portion 2231 and the second sub-mounting portion 2232 are fixedly connected, the first sub-mounting portion 2231 is located on the first plate body 22 of the flow channel plate assembly 200, the first plate body 22 is stamped and formed to assemble a hole 2233, part of the second sub-mounting portion 2232 is located in the assembly hole 2233, a first mounting hole 224 is located in the second sub-mounting portion 2232, and the second sub-mounting portion 2232 is also stamped and formed, and the valve seat 9 is fixedly connected with the second sub-mounting portion 2232 by welding or screwing or clamping. In this embodiment, the first mounting portion 223 and the second mounting portion 231 are both formed by stamping, and the process of stamping is relatively simple, and the parts are lightweight. The second sub-mounting portion 2232 comprises a second step portion 225, that is, the second sub-mounting portion 2232 is stamped to form the second step portion 225, the second step portion 225 is located on the outer wall of the second sub-mounting portion 2232, the second step portion 225 comprises a second upper wall portion 2251 and a second side wall portion 2252, the second side wall portion 2252 extends towards the first flow channel 201 relative to the second upper wall portion 2251, the second side wall portion 2252 is located in the assembly hole 2233, and the second upper wall portion 2251 abuts against and is fixedly connected with the first sub-mounting portion 2231 by welding. The second step portion 225 is formed by stamping, the outer side of the second step portion 225, that is, the second upper wall portion 2251 abuts against the first sub-mounting portion 2231, the inner side of the second step portion 225 abuts against the support portion 91 of the valve seat 9 for supporting the valve seat 9, and the lower end of the valve seat 9 is arranged opposite to the inner side of the second side wall portion 2252. The valve seat 9 is located in the second sub-mounting portion 2232, and the valve seat 9 is screw-connected with the second sub-mounting portion 2232, that is, the inner wall of the second sub-mounting portion 2232 is formed with an internal thread, the outer wall of the support portion 91 of the valve seat 9 is formed with an external thread, and the internal thread and the external thread cooperate to fix the valve seat 9 and the flow channel plate assembly 200; in order to prevent external leakage, that is, the fluid in the first flow channel 201 leaks to the outside of the valve component 1 through the gap of the threaded cooperation, the fluid control module further comprises a second sealing member 14 and a second accommodating cavity 141, the second sealing member 14 is located in the second accommodating cavity 141, the fluid control module comprises a second accommodating groove 34, the second accommodating groove 90 is located in at least one of the valve seat 9 or the first mounting portion 223, and the wall forming the second accommodating cavity 141 comprises the wall forming the second accommodating groove 90.Specifically, the valve seat 9 comprises a second accommodating groove 90 located at the outer periphery of the valve seat 9, the opening of the second accommodating groove 90 faces the second side wall part 2252 of the second mounting part, the wall forming the second accommodating cavity 141 comprises the wall forming the second accommodating groove 90 and the partial second side wall part 2252.

[0037] As shown in FIGS. 8-15, the fluid control module further comprises a connecting element 40, the flow channel plate assembly 200 comprises a first mounting part 223 comprising a first mounting hole 224, at least part of the first mounting part 223 is stamped, the flow channel plate assembly 200 comprises a mounting cavity 203, the wall forming the mounting cavity 203 comprises the wall forming the first mounting hole 224; at least part of the valve part 1 is located in the mounting cavity 203, the connecting element 40 clamps and fixes the valve part 1 and the flow channel plate assembly 200. Compared with threaded connection, clamping and fixing is relatively simple and convenient. The first mounting part 223 comprises a stepped part 37 comprising a first bottom part 371 and a first side part 372, the limiting part 35 is located at the first side part 372, the lower end of the supporting part abuts against the first bottom part 371, the lower end of the connecting element 40 abuts against the upper end of the supporting part 91, and / or the upper end of the connecting element 40 abuts against the limiting part 35. In this scheme, the connecting element 40 is located between the limiting part 35 and the supporting part 91 in the direction of stacking the plate body, or in the axial direction of the mounting cavity 203, thereby fixing the valve part 1 and the flow channel plate assembly 200. It should be noted that, in the ideal state, one end of the connecting element 40 abuts against the limiting part 35 and the other end of the connecting element 40 abuts against the supporting part of the valve seat 9, but due to the existence of manufacturing tolerance and assembly tolerance, there is a small gap between one end of the connecting element 40 and the limiting part 35 or between the other end of the connecting element 40 and the supporting part of the valve seat 9. During the operation of the fluid control module, due to the existence of fluid pressure in the flow channel, one end of the connecting element 40 abuts against the limiting part 35 and the other end of the connecting element 40 abuts against the supporting part of the valve seat 9. The connecting element 40 and the limiting part 35 are used in this application to realize the quick plug-in of the valve part 1 and the first mounting part 223, which is relatively simple and convenient to install, and the structure of the limiting groove 351 is relatively simple and easy to process and form.

[0038] As shown in FIGS. 12-14, the first mounting portion 223 is an integral structure, the first mounting portion 223 is stamped and formed, and the valve seat 9 is welded and fixedly connected or threadedly fixedly connected or clamped to the first mounting portion 223. The first mounting portion 223 is an integral structure, the first mounting portion 223 is stamped and formed, and at least part of the valve seat 9 is located in the first mounting hole 224. The limiting portion 35 is a limiting hole 356, the limiting hole 356 is located in the first side portion 372, and part of the connecting element 40 is located in the limiting hole 356. Specifically, the first plate body 22 is stamped and formed to have the first mounting portion 223, the first mounting portion 223 includes the first mounting hole 224, the limiting portion 35, and the stepped portion 37, the stepped portion 37 includes the first bottom portion 371 and the first side portion 372, the limiting portion 35 is located in the first side portion 372, and in this scheme, the limiting portion 35 is a limiting hole 356, at least one limiting hole 356 is provided, and the limiting holes 356 are arranged in the circumferential direction of the first side portion 372. In this scheme, the connecting element 40 has a hollow structure, the connecting element 40 includes the clamping portion 44, the crimping portion 45, and the notch portion 43, the notch portion 43 has a notch, the connecting element 40 can be elastically deformed, the clamping portion 44 is arranged adjacent to and fixedly connected to the crimping portion 45; at least part of the clamping portion 44 is located in the limiting hole 356, the crimping portion 45 abuts against the support portion 91 of the valve seat 9, that is, the clamping portion 44 is clamped and limited in the limiting hole 356, the crimping portion 45 abuts against the support portion 91, and the axial movement of the valve seat 9 is limited. Specifically, the connecting element 40 has a hollow tubular structure, that is, the cross section of the connecting element 40 is similar to a circle but is not limited to a circle, and in other embodiments, the connecting element 40 can also be square, polygonal, or the like, as long as the functions of this scheme can be achieved, and all are within the protection scope of this application. The clamping portion 44 is away from the central axis of the connecting element 40 relative to the crimping portion 45, the number of clamping portions 44 is greater than the number of crimping portions 45 by 1, and at least one crimping portion 45 is provided. The first mounting portion 223 of this scheme is stamped and formed as an integral structure, the structure is relatively simple, and the manufacturing and assembly processes are relatively simple.

[0039] As shown in FIGS. 8-10, the first mounting portion 223 is a split structure, and the first mounting portion 223 includes a first sub-mounting portion 2231 and a second sub-mounting portion 2232, and the first sub-mounting portion 2231 and the second sub-mounting portion 2232 are fixedly connected or clamped and fixed. It should be noted that the fixedly connected manner includes welding, threaded connection, adhesion, and the above-mentioned two combinations. The first sub-mounting portion 2231 includes an assembly hole 2233, and the second sub-mounting portion 2232 is located in the assembly hole 2233. Part of the mounting cavity 203 is located in the second sub-mounting portion 2232, and the limiting portion 35 is located in the second sub-mounting portion 2232. The second sub-mounting portion 2232 includes a stepped portion 37, and the stepped portion 37 is formed on the inner wall of the second sub-mounting portion 2232. The first sub-mounting portion 2231 is stamped and formed. Specifically, the first sub-mounting portion 2231 is a flange portion stamped and formed from the first plate body 22. It can be understood that the assembly hole 2233 is a flange hole stamped and formed from the first plate body 22, and at least part of the second sub-mounting portion 2232 is located in the assembly hole 2233. In this embodiment, the second sub-mounting portion 2232 is formed by pressure casting or forging, and the second sub-mounting portion 2232 has the stepped portion 37 and the first mounting hole 224. Part of the valve seat 9 is located in the first mounting hole 224, and the valve seat 9 has a support portion 91 located on the outer periphery of the valve seat 9. The support portion 91 of the valve seat 9 abuts against the first bottom portion 371 of the stepped portion 37, that is, the first bottom portion 371 is used to support the valve seat 9, thereby limiting the downward movement of the valve seat 9 along the axial direction. The second sub-mounting portion 2232 has the limiting portion 35 formed on the inner wall of the second sub-mounting portion 2232. In some embodiments, the limiting portion 35 is a limiting groove 351 arranged along the circumferential direction of the inner wall of the second sub-mounting portion 2232, and the opening of the limiting groove 351 faces the central axis of the second sub-mounting portion 2232. The limiting groove 351 is located above the support portion 91 of the valve seat 9. The wall forming the limiting groove 351 includes a first wall portion 352, a second wall portion 353, and a third wall portion 354. In the direction of stacking the plate bodies, the first wall portion 352 and the second wall portion 353 are oppositely arranged, and the third wall portion 354 is oppositely arranged with the opening of the limiting groove 351.

[0040] The fluid control module further comprises a connecting element 40 located in the second sub-mounting portion 2232, and one end of the connecting element 40 abuts against the supporting portion 91 of the valve seat 9 in the direction of stacking of the plate bodies, thereby limiting the axial movement of the valve seat 9 relative to the second sub-mounting portion 2232. The connecting element 40 has a hollow structure, and in this embodiment, the connecting element 40 has a ring-shaped plate structure. The connecting element 40 comprises a first end and a second end 42 opposite to each other in the axial direction. The connecting element 40 further comprises a notch portion 43 having a notch extending through the first end and the second end 42 of the connecting element 40 and through the hollow portion of the connecting element 40. The connecting element 40 can be elastically deformed, and when a force is applied to the connecting element 40, the connecting element 40 can be elastically deformed. At least part of the connecting element 40 is located in the limiting groove 351, and the second end 42 of the connecting element 40 abuts against the supporting portion 91 of the valve seat 9, and / or the first end of the connecting element 40 abuts against the first wall portion 352 of the second sub-mounting portion 2232. It should be noted that in the ideal state, the first end of the connecting element 40 abuts against the first wall portion 352 of the second sub-mounting portion 2232, and the second end 42 of the connecting element 40 abuts against the supporting portion 91 of the valve seat 9. However, due to the manufacturing tolerance and assembly tolerance, there is a small gap between the first end of the connecting element 40 and the first wall portion 352 of the second sub-mounting portion 2232 or between the second end 42 of the connecting element 40 and the supporting portion 91 of the valve seat 9. During the operation of the fluid control module, the fluid pressure in the flow channel causes the first end of the connecting element 40 to abut against the first wall portion 352 of the second sub-mounting portion 2232, and the second end 42 of the connecting element 40 to abut against the supporting portion of the valve seat 9. In this application, the connecting element 40 cooperates with the limiting portion 35 to realize the quick insertion of the valve component 1 and the second sub-mounting portion 2232, and the installation is relatively simple and convenient. Moreover, the structure of the limiting groove 351 is relatively simple and easy to process.

[0041] In some other embodiments, as shown in FIG. 10, the limiting portion 35 is a limiting protrusion 355, and the limiting protrusion 355 is located inside the second sub-mounting portion 2232, protruding from the inner wall of the second sub-mounting portion 2232. In the direction of stacking of the plate bodies, the limiting protrusion 355 is located on one side of the connecting element 40, and the supporting portion 91 on the valve seat 9 is located on the other side of the connecting element 40. The first end of the connecting element 40 abuts against the lower end of the limiting protrusion 355, and / or the second end 42 of the connecting element 40 abuts against the upper end of the supporting portion 91 of the valve seat 9. One limiting protrusion 355 is provided, and the limiting protrusions 355 are continuously arranged in the circumferential direction of the valve body 30, or two or more limiting protrusions 355 are provided and evenly arranged in the circumferential direction of the second sub-mounting portion 2232. In this application, the limiting portion 35 is the limiting groove 351 or the limiting protrusion 355, and the structures of the two are relatively simple and easy to process.

[0042] In this solution, the first sub-mounting part 2231 and the second sub-mounting part 2232 are fixed by welding, the second sub-mounting part 2232 includes a receiving groove 34 located at the outer periphery of the second sub-mounting part 2232, and the opening of the receiving groove 34 faces the wall forming the assembly hole 2233, and the receiving groove 34 is used to place the solder.

[0043] It should be noted that the above-mentioned embodiments can be used in cross, for example, the first mounting part 223 is a split structure, and the first sub-mounting part 2231 and the second sub-mounting part 2232 are both stamped, as shown in FIG. 6, and the limiting part 35 is a limiting hole 356, and the connecting element 40 includes a clamping part 44 and a crimping part 45, as long as the clamping and fixing of the application can be realized, they are within the protection scope of the application, and will not be described in detail here.

[0044] A manufacturing method of a fluid control module, the manufacturing steps of the fluid control module are as follows:

[0045] A plurality of plate bodies are stamped; at least two of the plurality of plate bodies are stamped to form grooves;

[0046] The valve body 30 is stamped, die-cast or forged;

[0047] The plurality of plate bodies are stacked to form a flow channel plate assembly 200, the valve body 30 is inserted into the mounting cavity 203 of the flow channel plate assembly 200 to form at least part of the first assembly; the plurality of plate bodies are stacked, and a soldering sheet is arranged between the contact surfaces of the plate bodies, or the contact surfaces of adjacent plate bodies are coated with paint, or the contact surfaces of adjacent plate bodies are provided with a welded coating, and the valve body 30 and the plurality of plate bodies are fixed by a clamp.

[0048] The first assembly is placed in a furnace for brazing; the valve body 30 and the plurality of plate bodies are collectively welded to form the flow channel plate assembly 200. The flow channel plate assembly 200 and the valve body 30 are formed by stamping and welding process, the stamping process is relatively simple and mature, the investment in equipment is relatively small, and the quality of the parts in the later stage is relatively stable. The flow channel of the flow channel plate assembly 200 is formed by stamping process, and the flow channel can be designed relatively complex, which is suitable for complex thermal management system. Moreover, the flow channel of the flow channel plate assembly 200 is formed by stacking multiple layers of plate bodies, which can form at least one layer of flow channel, i.e. multiple layers of flow channel along the thickness direction of the flow channel plate assembly 200. Compared with other processes, the manufacturing of multiple layers of flow channel is relatively simple, and the arrangement of multiple layers of flow channel can increase the spatial flexibility of the thermal management layout compared with the flat arrangement.

[0049] The valve seat 9, the sleeve 3, the valve core assembly, and the rotating member assembly are assembled to form at least part of the second assembly;

[0050] The second assembly is inserted into the valve body 30 and is fixed by screwing or welding;

[0051] The stator part 2 is sleeved on the outer periphery of the second assembly, and the stator part 2 and the valve body 30 are clamped and fixed.

[0052] The manufacturing method of the flow channel plate provided by the embodiment of the application punches to form a plurality of plate bodies, the punching process is relatively mature, and the manufacturing cost is relatively low. By using the punching process, a relatively complex flow channel structure can be manufactured.

[0053] The principles and implementation manners of the application are described by using specific examples. The above description of the embodiments is only used to help understand the method of the application and its core idea. It should be pointed out that, for those skilled in the art, without departing from the principles of the application, the application can be improved and modified in many ways, and these improvements and modifications also fall within the protection scope of the application.

Claims

1. A fluid control module, characterized in that: The invention comprises a flow channel plate assembly (200) and a valve component (1), wherein the flow channel plate assembly (200) comprises a first plate body (22), a second plate body (23) and a third plate body (24), wherein the first plate body (22) and the third plate body (24) are respectively located on opposite sides of the second plate body (23), and the flow channel plate assembly (200) comprises a first flow channel (201) and a second flow channel (202), wherein the first flow channel (201) and the second flow channel (202) are located on opposite sides of the second plate body (23), wherein the first plate body (22) comprises a first mounting portion (223), wherein the first mounting portion (223) comprises a first mounting hole (224), and wherein the second plate body ( 23) includes a second mounting portion (231), the second mounting portion (231) includes a second mounting hole (232), the second mounting hole (232) connects the first flow channel (201) and the second flow channel (202); the valve component (1) includes a valve seat (9) and a valve mouth seat (7), part of the valve seat (9) is located in the first mounting hole (224), and the valve seat (9) is fixedly connected to the first mounting portion (223), one end of the valve mouth seat (7) is located in the valve seat (9), the valve seat (9) and the valve mouth seat (7) are fixedly or positionally connected, and the other end of the valve mouth seat (7) is sealed and connected to the second mounting portion (231).

2. The fluid control module according to claim 1, characterized in that: At least one of the first mounting portion (223) and the second mounting portion (231) is formed by stamping, and the fluid control module includes a first sealing member (13) and a first accommodating cavity (131), and the first sealing member (13) is located in the first accommodating cavity (131); the fluid control module includes a first accommodating groove (71), and the first accommodating groove (71) is located at least one of the valve seat (7) or the second mounting portion (231), and the wall forming the first accommodating cavity (131) includes the wall forming the first accommodating groove (71).

3. The fluid control module according to claim 2, characterized in that: The first accommodating groove (71) is located on the valve seat (7), and along the direction of stacking of the plates, the opening of the first accommodating groove (71) faces the second mounting portion (231), and the wall forming the first accommodating cavity (131) includes the wall forming the first accommodating groove (71) and part of the wall forming the second mounting portion (231); the vertical distance from the bottom wall portion forming the first accommodating groove (71) to the second mounting portion (231) is defined as L1, and the distance from the top to the bottom end of the first sealing member (13) is L2, and L1 is smaller than L2.

4. The fluid control module according to claim 2, wherein: The second mounting portion (231) includes a first step portion (235), the first step portion (235) includes a first upper wall portion (2351) and a first side wall portion (2352), the first side wall portion (2352) extends relative to the first upper wall portion (2351) toward the second flow channel (202), a portion of the valve seat (7) is located in the second mounting hole (232), the first accommodating groove (71) is located in the valve seat (7), the opening of the first accommodating groove (71) faces the first side wall portion (2352), the vertical distance from the bottom wall portion forming the first accommodating groove (71) to the first side wall portion (2352) is defined as L1, the distance from the top to the bottom end of the first sealing member (13) is L2, and L1 is smaller than L2.

5. The fluid control module according to any one of claims 1 to 4, characterized in that: The first mounting portion (223) is a split structure, the first mounting portion (223) includes a first sub-mounting portion (2231) and a second sub-mounting portion (2232), the first sub-mounting portion (2231) and the second sub-mounting portion (2232) are fixedly connected, the first sub-mounting portion (2231) includes an assembly hole (2233), a portion of the second sub-mounting portion (2232) is located in the assembly hole (2233), the second sub-mounting portion (2232) is stamped, and the valve seat (9) and the second sub-mounting portion (2232) are fixedly connected by welding or threaded or clamped.

6. The fluid control module according to claim 5, characterized in that: The second sub-mounting portion (2232) includes a second step portion (225), the second step portion (225) is located on the outer wall of the second sub-mounting portion (2232), the second step portion (225) includes a second upper wall portion (2251) and a second side wall portion (2252), the second side wall portion (2252) is located in the assembly hole (2233), and the second upper wall portion (2251) is abutted against and welded to the first sub-mounting portion (2231).

7. The fluid control module according to any one of claims 1 to 4, characterized in that: The first mounting portion (223) is a split structure, the first mounting portion (223) includes a first sub-mounting portion (2231) and a second sub-mounting portion (2232), the first sub-mounting portion (2231) and the second sub-mounting portion (2232) are fixedly connected, the first sub-mounting portion (2231) includes an assembly hole (2233), a portion of the second sub-mounting portion (2232) is located in the assembly hole (2233), the second sub-mounting portion (2232) is formed by die-casting or forging, and the valve seat (9) is fixedly connected to the second sub-mounting portion (2232) by welding, threaded, or clamped.

8. The fluid control module according to claim 7, characterized in that: The second sub-mounting portion (2232) comprises a receiving groove (34), the receiving groove (34) being located on the outer wall of the second sub-mounting portion (2232), the receiving groove (34) being used to accommodate solder, and the second sub-mounting portion (2232) is fixed to the first sub-mounting portion (2231) by welding.

9. The fluid control module according to any one of claims 1 to 4, characterized in that: The first mounting portion (223) is an integrated structure, the first mounting portion (223) is formed by stamping, and the valve seat (9) and the first mounting portion (223) are fixedly connected by welding, threaded, or clamped.

10. The fluid control module according to claim 5, 7 or 9, characterized in that: The fluid control module includes a second sealing member (14) and a second accommodating chamber (141), wherein the second sealing member (14) is located in the second accommodating chamber (141), and the fluid control module includes a second accommodating groove (90), wherein the second accommodating groove (90) is located at least one of the valve seat (9) and the first mounting portion (223), and the wall forming the second accommodating chamber (141) includes the wall forming the second accommodating groove (90).

11. The fluid control module according to claim 10, wherein: The valve seat (7) includes a flow hole (72), which passes through the inner and outer walls of the valve seat (7), and the flow hole (72) is connected to the first flow channel (201). The flow hole (72) can selectively communicate with the second flow channel (202).

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