Fluid control assembly

Abstract

According to the fluid control assembly, a shell is connected with a flow channel plate, the shell comprises a first wall, the flow channel plate comprises a second wall, the first wall and the second wall are oppositely arranged, a sealing part is located between the first wall and the second wall and abuts against the first wall and the second wall, and a valve part penetrates through the sealing part to be arranged. The gap between the first wall and the second wall on the periphery of the valve part is filled with the sealing part, so that the path for water vapor in air to enter the control part is blocked, and the sealing performance of the control part is improved.

Description

Technical Field

[0001] The present application relates to the field of fluid control technology, such as thermal management technology for automotive, commercial, household or energy storage applications, and specifically to a fluid control component. Background Art

[0002] The fluid control assembly includes valve components, especially when the fluid control assembly includes multiple valve components, the stator components of the multiple valve components are located in the same control box. The connection surface area between the control box and the flow channel plate is large, the O-ring compression amount is small, and it is easy to fail under long-term compression state. After the O-ring fails, the gap between the connection surfaces allows external water vapor to enter the control box, causing the control box of the fluid control assembly to fail. Utility Model Content

[0003] The purpose of this application is to provide a fluid control component that is conducive to reducing the failure rate of the fluid control component.

[0004] To achieve the above objectives, one embodiment of the present application adopts the following technical solution:

[0005] A fluid control component includes a control part, a flow channel plate assembly, a valve component, and a sealing part, wherein the control part includes a shell, the shell has an accommodating cavity, and part of the valve component is located in the accommodating cavity, the flow channel plate assembly includes a flow channel plate, the flow channel plate has an installation cavity, and part of the valve component is located in the installation cavity, the shell is fixedly connected or limit-connected to the flow channel plate, the shell includes a first wall, the flow channel plate includes a second wall, the first wall and the second wall are arranged opposite to each other, the sealing part is located between the first wall and the second wall, the sealing part abuts against the first wall and the second wall respectively, the sealing part has a through hole, at least part of the valve component is located in the through hole of the sealing part, and the cross-section of the sealing part is rectangular.

[0006] The technical solution of the present application provides a fluid control component, wherein a shell is connected to a flow channel plate, the shell includes a first wall, the flow channel plate includes a second wall, the first wall and the second wall are arranged opposite to each other, the sealing part is located between the first wall and the second wall, the sealing part abuts against the first wall and the second wall respectively, the sealing part abuts against the first wall and the second wall respectively, at least part of the valve component is located in the through hole of the sealing part, the sealing part fills the gap between the first wall and the second wall around the valve component, blocks the path of water vapor in the air entering the control part, and improves the sealing of the control part, the cross-sectional wall of the sealing part is rectangular, the compression amount of the sealing ring of the rectangular cross-sectional wall is large, which can effectively reduce the failure rate of the sealing ring, thereby reducing the failure rate of the fluid control component. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 This is a schematic diagram of the three-dimensional structure of an embodiment of the fluid control assembly of the present application;

[0008] Figure 2 yes Figure 1 Schematic diagram of the exploded structure of the fluid control component;

[0009] Figure 3 is a schematic diagram of an exploded structure of another embodiment of the fluid control assembly of the present application;

[0010] Figure 4 yes Figure 1 A perspective view of the fluid control assembly;

[0011] Figure 5 yes Figure 4 AA cross-sectional diagram of part of the structure of the fluid control component;

[0012] Figure 6 yes Figure 5 Middle I: Enlarged view of the local area;

[0013] Figure 7 It is a schematic diagram of the exploded structure of a part of the structure of the fluid control assembly of the present application;

[0014] Figure 8 is a schematic diagram of a first embodiment of a sealing portion of a fluid control assembly;

[0015] Figure 9 is a schematic diagram of a second embodiment of a sealing portion of a fluid control assembly;

[0016] Figure 10 yes Figure 2 A schematic diagram of another part of the structure of the fluid control component;

[0017] Figure 11 is a schematic diagram of the raised structure of the sealing portion;

[0018] Figure 12 for Figure 11 A schematic diagram of the raised structure of the sealing portion from another perspective;

[0019] Figure 13 yes Figure 12 Cross-sectional view of AA in the figure.

[0020] Reference numerals:

[0021] 100. Fluid control assembly; 1. Control unit; 2. Flow channel plate assembly; 3. Valve component; 4. Sealing unit; 04. Ring;

[0022] 41. Through hole; 42. Protrusion structure; 11. Housing; 12. Connecting plug; 13. Circuit board; 14. Stator assembly;

[0023] 21. Flow channel plate; 22. Fluid component; 111. Accommodating cavity; 112. First wall; 113. First mounting groove;

[0024] 114, first limiting portion; 211, mounting cavity; 212, flow channel; 213, second wall; 214, second mounting groove. DETAILED DESCRIPTION

[0025] The features and exemplary embodiments of various aspects of the present application will be described in detail below. In order to make the purpose, technical solutions and advantages of the present invention more clear, the present application will be further described in detail in conjunction with specific embodiments. In this document, relational terms such as "first" and "second" are merely used to distinguish one component from another with the same name, and do not necessarily require or imply any actual relationship or order between these components.

[0026] The fluid control component can be applied to a thermal management system, wherein the thermal management system can be a vehicle thermal management system, such as a new energy vehicle thermal management system.

[0027] like Figure 1-13 As shown, one embodiment of the present application provides a fluid control assembly 100, including a control unit 1, a flow channel plate assembly 2, and a valve component 3. The control unit 1 is connected to the flow channel plate assembly 2. Specifically, the housing 11 of the control unit 1 is connected to the flow channel plate 21, such as a fixed connection, a limited connection, or a sealed connection. The fixed connection includes welding, abutment, and bolt connection. The limited connection includes snap connection. The sealed connection includes bonding and sealing ring connection. Partial structures of the valve component 3 are respectively located in the control unit 1 and the flow channel plate assembly 2, and then the control unit 1 drives the valve component 3 to control the fluid in the flow channel plate assembly 2 or transmit electrical signals. Figure 5 As shown, the control part 1 includes a shell 11, a connecting plug 12, a circuit board 13, and a stator assembly 14. The shell 11 has a accommodating cavity 111. The wall forming the accommodating cavity 111 includes the inner wall of the shell 11. The circuit board 13 and the stator assembly 14 are both located in the accommodating cavity 111. Part of the valve component 3 is located in the accommodating cavity 111. The stator assembly 14 is sleeved on the outer periphery of the part of the valve component 3. The wall forming the accommodating cavity 111 also includes the inner wall, outer wall and top wall of the stator assembly 14. The wall forming the accommodating cavity 111 also includes the outer wall of part of the valve component 3; the connecting plug 12 is injection-molded and fixed to the shell 11. A part of the connecting plug 12 is located in the accommodating cavity 111 and is electrically connected to the circuit board 13. The other part of the connecting plug 12 is located outside the shell 11 and is electrically connected to an external device. The external device can supply power to the control part 1 and transmit electrical signals; the circuit board 13 and the stator assembly 14 are electrically connected. The stator assembly 14 drives the valve component 3 to move according to the electrical signal of the circuit board 13, such as adjusting the switch of the valve component 3 or adjusting the opening of the valve component 3.

[0028] The flow channel plate assembly 2 at least includes a flow channel plate 21, which has a mounting cavity 211 and a flow channel 212, and at least a portion of the flow channel 212 is connected to the mounting cavity 211. The flow channel plate assembly 2 may also include one or more fluid components 22 such as a heat exchanger, a liquid reservoir, a gas-liquid separator, a sensor, a heater, etc. The flow channel plate 21 may be fixedly connected or integrally formed with one or more of the fluid components 22. The housing 11 of the control unit 1 is connected to the flow channel plate 21. Part of the valve component 3 is located in the mounting cavity 211, and the valve component 3 is connected to the flow channel plate 21, for example, by fixed connection, sealing connection, or snap connection.

[0029] There are at least two valve components 3, and in this embodiment, five. The valve components 3 can be electromagnetic on / off valves and / or throttle valves. Specifically, they can be multiple electromagnetic on / off valves, multiple throttle valves, or a combination of electromagnetic valves and throttle valves. The stator assembly 14 drives the valve components 3 in response to electrical signals from the circuit board 13, thereby adjusting the flow path 212 to connect or disconnect, or to adjust the flow rate of the medium within the flow path 212.

[0030] like Figures 1-6 As shown, the fluid control component 100 includes a sealing portion 4, the shell 11 includes a first wall 112, the flow channel plate 21 includes a second wall 213, the first wall 112 and the second wall 213 are arranged opposite to each other, the sealing portion 4 is located between the first wall 112 and the second wall 213, and the sealing portion 4 abuts against the first wall 112 and the second wall 213 respectively. Part of the valve component 3 is located in the accommodating chamber 111, and the stator assembly 14 is sleeved on the outer periphery of the part of the valve component 3. The sealing part 4 has a through hole 41, and at least part of the valve component 3 is located in the through hole 41 of the sealing part 4. There is a gap X between the stator assembly 14 and part of the valve component 3. When there are multiple valve components 3, the length of the control part 1 and the flow channel plate 21 is relatively long. While the flatness of the first wall 112 and the second wall 213 is ensured as much as possible in the process, it is still difficult to ensure the sealing between the first wall 112 and the second wall 213. Therefore, water vapor in the external air may enter the accommodating chamber 111 along the path J, causing damage to electronic components such as the circuit board 13 and the stator assembly 14 in the accommodating chamber 111. The sealing part 4 is arranged between the first wall 112 and the second wall 213, and respectively abuts against the first wall 112 and the second wall 213, which can improve the sealing between the first wall 112 and the second wall 213, block the path J for water vapor in the air to enter the control part 1, and thereby improve the sealing of the control part 1.

[0031] like Figure 2 and Figure 7As shown, in this embodiment, the second wall 213 is a continuous flat wall, and the sealing portion 4 is a split structure. The sealing portion 4 is composed of multiple independent rings. The number of rings is consistent with the number of valve components 3. Each valve component 3 passes through a different ring and is located in the accommodating cavity 111. The distributed independent arrangement can better ensure the sealing between the first wall 112 and the second wall 213 around each valve component 3. In other embodiments, the sealing portion 4 can also be an integrated structure, such as Figure 8 As shown, the sealing portion 4 is an integral long ring, and the sealing portion 4 is arranged around the outer periphery of the second wall 213. All valve components 3 pass through the sealing portion 4 and are located in the accommodating cavity 111; Figure 9 As shown, the sealing portion 4 is an integral structure, but the sealing portion 4 includes a plurality of rings 04, and the plurality of rings 04 have a plurality of corresponding through holes 41, for example Figure 9 The two rings 04 in the figure are connected as one body. The two rings 04 can be of the same size. For example, the valve component 3 is located in the through hole 41 of the ring of the corresponding sealing part 4. The two rings can also be of different sizes. For example, one of them allows two valve components to pass through, and the other allows one or three valve components to pass through. The structure of the multiple rings can be a circular ring, an elongated ring, or an elliptical ring. The sealing part 4 is an integrated structure, which can reduce the number of parts of the fluid control assembly, reduce installation time, and save costs. In other embodiments, the sealing part 4 is a split structure, and the multiple independent circular rings can also be of different sizes. For example, one of them allows two valve components to pass through, and the other allows one or three valve components to pass through. This arrangement can also reduce the number of parts.

[0032] like Figure 3 and Figure 7 As shown, in another embodiment of the fluid control assembly, the flow channel plate 21 is provided with a heat insulation groove, which at least isolates the heat transfer between parts of the installation cavity 211, reducing the harmful heat transfer of the flow channel plate 21. The provision of the heat insulation groove makes the second wall 213' a discontinuous flat wall. Of course, in other embodiments, the second wall 213' may also be a discontinuous flat wall due to avoiding other components. When the second wall 213' is a discontinuous flat wall, the sealing part 4 can be a split structure or an integrated structure. The sealing part 4 is a split structure, and the sealing part 4 is composed of multiple independent rings 04. The number of rings 04 is the same as the number of valve components 3. Each valve component 3 passes through a different ring and is located in the accommodating cavity 111. The sealing part 4 is a split structure, and the multiple independent rings can also be of different sizes, or the sealing part 4 is an integral structure, and the sealing part 4 includes multiple rings 04, and the multiple rings 04 are connected as one.

[0033] like Figure 7As shown, the housing 11 includes a first mounting groove 113, which is recessed from the first wall 112. The structure of the first mounting groove 113 corresponds to the sealing portion 4. Part of the sealing portion 4 is located in the first mounting groove 113. One side of the sealing portion 4 abuts against the wall of the first mounting groove 113, and the other side of the sealing portion 4 abuts against the second wall of the flow channel plate 21. The first mounting groove 113 is provided on the housing 11. The first mounting groove 113 can be formed while the housing 11 is being injection molded, and the manufacturing process is simple. Figure 6 As shown, the shell 11 also includes a first limiting portion 114, which is a structure that protrudes along the inner wall of the first mounting groove 113 toward the cavity of the first mounting groove 113. The first limiting portion 114 can limit and fix the sealing portion 4 in the first mounting groove 113 to prevent the sealing portion 4 from falling during installation. The first limiting portion 114 can be formed by protruding from the inner wall on one side of the first mounting groove 113, or by protruding from the two inner walls of the first mounting groove 113.

[0034] like Figure 10 As shown, the flow channel plate 21 includes a second mounting groove 214, which is recessed from the second wall 213. Similarly, the structure of the second mounting groove 214 corresponds to the sealing portion 4. Part of the sealing portion 4 is located in the second mounting groove 214, one side of the sealing portion 4 abuts against the wall of the second mounting groove 214, and the other side of the sealing portion 4 abuts against the first wall 112 of the housing 11. The second mounting groove 214 is provided on the flow channel plate 21. When the control unit 1 is connected to the flow channel plate 21, the second wall 213 of the flow channel plate 21 is generally placed upward. Therefore, the second mounting groove 214 provided on the second wall 213 can meet the requirement of preventing the sealing portion 4 from falling. Of course, in other embodiments, the second mounting groove 214 can also include a second limiting portion. The function and structure of the second limiting portion are similar to those of the first limiting portion 114, and will not be repeated here.

[0035] In other embodiments of the fluid control assembly, the housing 11 includes a first mounting groove 113, and the flow channel plate 21 includes a second mounting groove 214. Portions of the sealing portion 4 are located in and abut against the first and second mounting grooves 113, 214, respectively. The two opposing mounting grooves secure the sealing portion 4 between the first wall 112 and the second wall 213, further preventing the sealing portion 4 from falling. The mounting grooves provide more space for compression and deformation of the sealing portion 4, reducing the pressure on the sealing portion 4 and, consequently, the failure rate of the sealing portion 4.

[0036] like Figure 1-Figure 3As shown, the shell 11 and the flow channel plate 21 are fixedly connected by bolts, and the bolts are arranged around each valve component 3. For example, in this embodiment, the number of valve components 3 is five and the number of bolts is six pairs, ensuring that four fastening bolts are arranged around the periphery of each valve component 3. This fixing method can further ensure the sealing of the local area where each valve component 3 is installed.

[0037] Combine Figure 11-13 , the specific structure of the sealing part 4, the cross-section of the sealing part 4 is rectangular. After the ordinary sealing ring is installed, it is in a compression state for a long time, the compression amount is small, and it is easy to fail. The rectangular sealing part 4 has a large compression amount and a small probability of failure, which can reduce the failure rate of the sealing part 4. Specifically, along the axial direction of the sealing part 4, the sealing part 4 includes at least one sealing wall, and the sealing wall includes at least two protruding structures 42. Along the radial direction of the sealing part 4, adjacent protruding structures 42 are provided with gaps. In the related art, the sealing part is a circular structure, and the sealing part of the circular structure has a small compression amount, and is easy to fail under a long-term compression state. In this solution, the sealing part is a rectangular structure, and a protruding structure is provided on the sealing wall, and gaps are provided between the protruding structures. Under the action of pressure, the protruding structure of the sealing part is deformed, and the deformed protruding structure will fill the above-mentioned gap, thereby increasing the sealing area and improving the sealing effect. As Figure 13 As shown, the raised structure 42 is annular, with multiple raised structures 42 concentrically arranged. For example, in this embodiment, the sealing wall includes four concentric annular raised structures, meaning that the bottom surface of the cross section includes four serrations. These four concentric annular raised structures abut against the second wall 213, effectively providing four sealing surfaces. The sealing portion 4 has a rectangular cross section with a serrated bottom. This structure allows for simultaneous sealing of multiple sealing surfaces during sealing, improving the sealing performance of the control portion 1.

[0038] It should be noted that the principles and implementation methods of the present invention are described above using specific examples. The description of the above embodiments is only intended to help understand the method and core concept of the present invention. It should be pointed out that those skilled in the art can make various improvements and modifications to the present invention without departing from the principles of the present invention, and such improvements and modifications also fall within the scope of protection of the present invention.

Claims

1. A fluid control assembly, comprising a control portion (1), a flow channel plate assembly (2), a valve component (3), and a sealing portion (4), wherein the control portion (1) comprises a housing (11), the housing (11) having a receiving cavity (111), a portion of the valve component (3) being located in the receiving cavity (111), the flow channel plate assembly (2) comprising a flow channel plate (21), the flow channel plate (21) having a mounting cavity (211), a portion of the valve component (3) being located in the mounting cavity (211), the housing (11) being fixedly connected or position-limitingly connected to the flow channel plate (21) The housing (11) includes a first wall (112), the flow channel plate (21) includes a second wall (213), the first wall (112) and the second wall (213) are arranged opposite to each other, the sealing portion (4) is located between the first wall (112) and the second wall (213), the sealing portion (4) abuts against the first wall (112) and the second wall (213) respectively, the sealing portion (4) has a through hole (41), at least part of the valve component (3) is located in the through hole (41), and the cross section of the sealing portion (4) is rectangular.

2. The fluid control assembly according to claim 1, wherein: Along the axial direction of the sealing portion (4), the sealing portion (4) comprises at least one sealing wall, the sealing wall comprises at least two protruding structures (42), and along the radial direction of the sealing portion (4), adjacent protruding structures (42) are arranged with gaps.

3. The fluid control assembly according to claim 2, wherein: The protruding structure (42) is annular, and a plurality of the protruding structures (42) are concentrically arranged.

4. The fluid control assembly according to any one of claims 1 to 3, characterized in that: The second wall (213) is a continuous plane, the sealing portion (4) is an integral structure, the sealing portion (4) has a through hole (41), there are at least two valve components (3), and the valve components (3) are located in the through hole (41); Or the sealing portion (4) includes a plurality of rings (04), the rings (04) are connected as a whole, the rings (04) have the through holes (41), and the plurality of valve components (3) are respectively located in the corresponding through holes (41); Or the sealing portion (4) is a split structure, the sealing portion (4) includes a plurality of rings (04), the rings (04) are independent of each other, the rings (04) have the through holes (41), and the valve components (3) are respectively located in the corresponding through holes (41).

5. The fluid control assembly according to any one of claims 1 to 3, characterized in that: The second wall (213) is a discontinuous plane, the sealing portion (4) is a split structure, the sealing portion (4) includes a plurality of rings (04), the rings (04) are independent of each other, and the valve components (3) are respectively arranged through the corresponding rings (04); Or the sealing portion (4) is an integrated structure, the sealing portion (4) comprises a plurality of rings (04), the rings (04) are connected as a whole, and the valve components (3) are respectively arranged through the corresponding rings (04).

6. The fluid control assembly according to claim 1, wherein: The housing (11) comprises a first mounting groove (113), the first mounting groove (113) being recessed from the first wall (112), and at least a portion of the sealing portion (4) is located in the first mounting groove (113); And / or the flow channel plate (21) includes a second mounting groove (214), the second mounting groove (214) is formed by being recessed from the second wall (213), and at least a portion of the sealing portion (4) is located in the second mounting groove (214).

7. The fluid control assembly according to claim 6, wherein: The first installation groove (113) is provided with a first limiting portion (114), and part of the sealing portion (4) is limited in the first installation groove (113); And / or the second installation groove (214) is provided with a second limiting portion, and part of the sealing portion (4) is limited in the second installation groove (214).

8. The fluid control assembly according to claim 1, wherein: The housing (11) and the flow channel plate (21) are fixedly connected by bolts, and the bolts are arranged around each valve component (3).

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