Integrated assembly

By using the first elastic member and the first conductive part optimized design in the integrated assembly, the electrical contact performance problem caused by inconsistent pin height is solved, and a more stable electrical contact effect is achieved.

CN119435783APending Publication Date: 2025-02-14HANGZHOU SANHUA RES INST CO LTD
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Patent Information

Application Number
CN202310952465.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-07-31
Publication Date
2025-02-14

AI Technical Summary

Technical Problem

In existing integrated components, inconsistent pin heights lead to transition insertion of some pins, which in turn affects the electrical contact performance of the pin and the contacts.

Method used

An integrated assembly is designed, and a first elastic member is located between the first abutment portion and the first base, the first conductive portion protrudes from the first base away from the first elastic member, and the circuit board has a first contact point, A conductive portion abuts one side of the first contact toward the first base.

Benefits of technology

Through the action of the first elastic member, the electrical contact performance between the first conductive part and the first contact is improved, and the electrical contact stability between the pin and the contact is enhanced.

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Abstract

An integrated assembly comprises a first coil assembly and a circuit board, the integrated assembly comprises a box body, the box body is provided with a containing cavity, at least part of the first coil assembly is located in the containing cavity, the first coil assembly comprises a first connector, and the first connector comprises a first conductive part and a first base. The integrated assembly comprises a first elastic piece, the box body is provided with a first abutting portion, the first elastic piece is located between the first abutting portion and the first base, one end of the first elastic piece abuts against or is fixed to the first abutting portion, and the other end of the first elastic piece abuts against or is fixed to the first base. The first conductive part is opposite to the first elastic part and protrudes out of the first base, the circuit board is provided with a first contact, and the first conductive part abuts against the side, facing the first base, of the first contact. The electric contact performance of the first conductive part and the first contact is improved under the action of the first elastic piece.
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Description

Technical Field

[0001] The invention relates to the technical field of fluid control, and in particular to an integrated component. Background Art

[0002] An integrated component includes a flow channel plate, multiple electronic expansion valves, multiple solenoid valves, a circuit board and a box body. The multiple electronic expansion valves and multiple solenoid valves are inserted into the flow channel plate. The coil components of the electronic expansion valves and the solenoid valves are located in the box body. The box body is in the shape of a rectangular parallelepiped. The circuit board is electrically connected to the coil component. The circuit board is installed in the box body. Each coil component has a pin component. During assembly, the multiple pin components are first placed in the box body, and then the circuit board with pin holes is assembled with the pin components, and the pins of the pin components are inserted into the pin holes.

[0003] refer to Figure 7 The pin 32 of the plug 3 is in a fish belly shape, and the contact of the circuit board is arranged on the inner wall corresponding to the pin hole. The pin 32 is in electrical contact with the contact through part of its arc-shaped outer wall. Since the two ends of the box body are tilted, the height of the pin 3 is inconsistent, resulting in part of the pin 32 being inserted into the pin hole in a transitional manner. The electrical contact performance between the pin 32 and the contact needs to be further improved. Summary of the invention

[0004] The following technical solution is provided: an integrated component, comprising a first coil component and a circuit board, the integrated component comprising a box body, the box body having a accommodating cavity, the first coil component being at least partially located in the accommodating cavity, the first coil component comprising a first joint, the first joint comprising a first conductive portion and a first base, the integrated component comprising a first elastic member, the box body having a first abutting portion, the first elastic member being located between the first abutting portion and the first base, one end of the first elastic member abutting or fixed with the first abutting portion, the other end of the first elastic member abutting or fixed with the first base, the first conductive portion protruding from the first base away from the first elastic member, the circuit board having a first contact, the first conductive portion abutting with a side of the first contact facing the first base.

[0005] Such an integrated component includes a first elastic member, which is located between the first abutting portion and the first base. The first conductive portion protrudes from the first base away from the first elastic member. The circuit board has a first contact. The first conductive portion abuts against the side of the first contact facing the first base. The first conductive portion improves the electrical contact performance with the first contact under the action of the first elastic member. BRIEF DESCRIPTION OF THE DRAWINGS

[0006] Figure 1 is a cross-sectional view of an embodiment of an integrated component of the present invention;

[0007] Figure 2 is a partial schematic diagram of an embodiment of an integrated component in the present invention;

[0008] Figure 3 is a top view of a support portion of an embodiment of an integrated assembly of the present invention;

[0009] Figure 4 It is a schematic structural diagram of a circuit board of one embodiment of an integrated component in the present invention;

[0010] Figure 5 is a cross-sectional view of another embodiment of the integrated component of the present invention;

[0011] Figure 6 is a schematic structural diagram of a circuit board of another embodiment of the integrated component in the present invention;

[0012] Figure 7 It is a schematic diagram of the structure of the pin in the background technology.

[0013] Reference numerals:

[0014] The first coil component 1, the first conductive portion 111, the second body portion 1111, the first bending portion 1112, the third body portion 1113, the first limiting portion 1114, the third protrusion 1115, the first base 112, the first body portion 1121, the first protrusion 1122, the second protrusion 1123, the first conductive connecting portion 113,

[0015] Circuit board 2, substrate 21, first contact 22, second mounting hole 23, second contact 24,

[0016] Box body 3, accommodating cavity 31, supporting portion 32, first abutting portion 321, first mounting hole 322, first groove 323, first side wall 324, second side wall 325, first slide groove 326, second slide groove 327, second abutting portion 328, first bottom wall portion 33,

[0017] first elastic member 4, flow plate 5, third mounting hole 51, first valve body 6,

[0018] The second coil assembly 7, the second conductive part 711, the second base 712,

[0019] The second elastic member 8. DETAILED DESCRIPTION

[0020] The technical solution of the specific implementation method is described below in conjunction with the accompanying drawings.

[0021] It should be noted that: although this specification has described the present invention in detail with reference to the above-mentioned embodiments, ordinary technicians in the field should understand that technicians in the relevant technical field can still modify, combine or replace the present invention with equivalents, and all technical solutions and improvements thereto that do not depart from the spirit and scope of the present invention should be covered within the scope of the claims of the present invention.

[0022] refer to Figure 1 , Figure 2 and Figure 4 , an integrated component includes a first coil component 1 and a circuit board 2, the integrated component includes a box body 3, the box body 3 has a receiving cavity 31, the first coil component 1 is at least partially located in the receiving cavity 31, the first coil component 1 includes a first connector, the first connector includes a first conductive portion 111 and a first base 112, the integrated component includes a first elastic member 4, the box body 3 has a first abutting portion 321, the first elastic member 4 is located between the first abutting portion 321 and the first base 112, one end of the first elastic member 4 abuts or is fixed to the first abutting portion 321, the other end of the first elastic member 4 abuts or is fixed to the first base 112, the first conductive portion 111 protrudes from the first base 112 away from the first elastic member 4, the circuit board 2 has a first contact 22, the first conductive portion 111 abuts against a side of the first contact 22 facing the first base 112.

[0023] Such an integrated component includes a first elastic member 4, which is located between the first abutting portion 321 and the first base 112, and the first conductive portion 111 protrudes from the first base 112 away from the first elastic member 4. The circuit board 2 has a first contact 22, and the first conductive portion 111 abuts against the side of the first contact 22 facing the first base 112. Under the action of the first elastic member 4, the first conductive portion 111 improves the electrical contact performance with the first contact 22.

[0024] The first conductive portion 111 protrudes from the first base 112 away from the first elastic member 4. For example, the first conductive portion 111 can be in a long strip shape or a partially bent shape. As long as the first base 112 can make the first conductive portion 111 abut against the first contact 22 under the action of the first elastic member 4, it will not be elaborated here.

[0025] The abutment between one end of the first elastic member 4 and the first abutment portion 321 includes direct abutment and indirect abutment. The indirect abutment, for example, a gasket is arranged between one end of the first elastic member 4 and the first abutment portion 321, as long as the elastic force of the first elastic member 4 can act on the first abutment portion 321. The abutment between the other end of the first elastic member 4 and the first base 112 includes direct abutment and indirect abutment, which will not be elaborated here.

[0026] One end of the first elastic member 4 is fixed to the first abutment portion 321, for example, one end of the first elastic member 4 can be injection molded on the box body 3, etc., and the other end of the first elastic member 4 is fixed to the first base 112, for example, the other end of the first elastic member 4 can be injection molded on the first base 112, etc., which will not be repeated here.

[0027] Of course, one end of the first elastic member 4 abuts against the first abutting portion 321 , and the other end of the first elastic member 4 can be fixed to the first base 112 , which will not be described in detail here.

[0028] refer to Figure 1 and Figure 2 The box body 3 includes a supporting portion 32, the supporting portion 32 has a first mounting hole 322, the first elastic member 4 is a spring, the first elastic member 4 is at least partially located in the first mounting hole 322, and the first abutting portion 321 is located on the side of the first mounting hole 322 away from the first base 112, thereby improving the stability of the extension and retraction of the first elastic member 4.

[0029] The outer diameter of the first elastic member 4 may be substantially the same as the hole diameter of the first mounting hole 322 , which will not be described in detail herein.

[0030] refer to Figure 2 and Figure 3 The number of the first elastic parts is 3, and the number of the first mounting holes 322 is 3, which improves the stability of the movement of the first joint.

[0031] refer to Figure 1 and Figure 3 The support portion 32 has a first groove 323, which is recessed in the top wall of the support portion 32. The opening of the first mounting hole 322 that is away from the first abutting portion 321 is located at the bottom wall of the first groove 323, and the first base 112 is at least partially located in the first groove 323.

[0032] refer to Figure 3The wall corresponding to the first groove 323 includes a first side wall 324 and a second side wall 325, the first side wall 324 is opposite to the second side wall 325, the support portion 32 has a first slide groove 326 and a second slide groove 327, the first slide groove 326 is recessed in the first side wall 324, the second slide groove 327 is recessed in the second side wall 325, the first base 112 includes a first body portion 1121, a first convex portion 1122 and a second convex portion 1123, the first convex portion 1122 protrudes from the first body portion 1121, the first convex portion 1122 protrudes from the first body portion 1121, the second convex portion 1123 The two protrusions 1123 protrude from the first main body portion 1121, and the first protrusion 1122 is at least partially located in the first slide groove 326, and the first protrusion 1122 is hemispherical, and the first protrusion 1122 can slide along the wall corresponding to the first slide groove 326, and the second protrusion 1123 is at least partially located in the second slide groove 327, and the second protrusion 1123 is hemispherical, and the second protrusion 1123 can slide along the wall corresponding to the second slide groove 327, thereby reducing the friction between the first base 112 and the wall corresponding to the first groove 323.

[0033] The top opening of the first slide groove 326 is located on the top wall of the support member, and the top opening of the second slide groove 327 is located on the top wall of the support portion 32 , which facilitates the assembly of the first base 112 .

[0034] refer to Figure 4 The circuit board 2 includes a substrate 21 and a first contact 22. The first contact 22 is located on a side of the first substrate 21 facing the first base 112. There are multiple first contacts 22, for example, there are 4 first contacts 22. The first contacts 22 correspond to the first connector.

[0035] refer to Figure 1 and Figure 4 The first conductive portion 111 includes a second main body portion 1111 and a first bending portion 1112. The first bending portion 1112 is located at an end of the second main body portion 1111 away from the first base 112. The first bending portion 1112 is arched toward the circuit board 2. The side of the first bending portion 1112 facing the circuit board 2 abuts against the first contact 22. When the first conductive portion 111 abuts against the first contact 22, the first conductive portion 111 may have a certain bend, thereby improving the electrical contact performance between the first conductive portion 111 and the first contact 22.

[0036] refer to Figure 1The box body 3 has a first bottom wall portion 33, the support portion 32 protrudes from the first bottom wall portion 33, the first coil component 1 is located at the first bottom wall portion 33, the first coil component 1 includes a first coil unit and a first conductive connecting portion 113, one end of the first conductive connecting portion 113 is electrically connected to the first coil unit, the first conductive connecting portion 113 is conductively connected to the first conductive portion 111, the first conductive connecting portion 113 is a flexible part, for example, the first conductive connecting portion 113 is a soft wire, etc., which reduces the vibration of the first conductive portion 111 and reduces the wear of the first conductive portion 111 on the first contact 22.

[0037] refer to Figure 1 The integrated component includes a circulation plate 5 and a first valve body 6, the first valve body 6 passes through a first bottom wall portion 33, the circulation plate 5 has a third mounting hole 51, a portion of the first valve body 6 is located in the third mounting hole 51, the first coil unit is located in the first valve body 6, for example, the first coil unit and the first valve body 6 constitute part of the electronic expansion valve, the box body 3 is fixedly or position-limitedly connected to the circulation plate 5, for example, the box body 3 and the circulation plate 5 are integrally injection molded or connected by bolts, etc., the circulation plate 5 has a circulation channel, the valve body is provided with a fluid channel, and the fluid channel is connected to the circulation channel.

[0038] refer to Figure 1 The integrated component includes a second coil component 7, which is at least partially located in the accommodating cavity 31. The second coil component 7 includes a second connector, which includes a second conductive portion 711 and a second base 712. The integrated component includes a second elastic member 8. The box body 3 has a second abutting portion 328. The second elastic member 8 is located between the second abutting portion 328 and the second base 712. One end of the second elastic member 8 abuts or is fixed to the second abutting portion 328, and the other end of the second elastic member 8 abuts or is fixed to the second base 712. The second conductive portion 711 protrudes from the second base 712 away from the second elastic member 8. The circuit board 2 has a second contact 24, and the second conductive portion 711 abuts against a side of the second contact 24 facing the second base 712.

[0039] refer to Figure 4 The circuit board 2 includes a second contact 24, which is located on the side of the first substrate 21 facing the first base 112. The number of the second contacts 24 is multiple, for example, the number of the second contacts 24 is 4, and the second contacts 24 correspond to the second connector. Of course, the contacts of the circuit board 2 can be set according to specific needs, for example, according to the number of coil units, which will not be elaborated here.

[0040] Of course, the integrated assembly may include multiple components, such as multiple electronic expansion valves and multiple solenoid valves, etc. The multiple electronic expansion valves and multiple solenoid valves are arranged along the length direction of the box body 3, which will not be described in detail here.

[0041] refer to Figure 5 and Figure 6 The first conductive portion 111 includes a third main body portion 1113 and a third convex portion 1115. The third convex portion 1115 protrudes from the side wall of the third main body portion 1113. The third convex portion 1115 is in a circular ring shape. The circuit board 2 has a second mounting hole 23. The second mounting hole 23 passes through the first contact 22 and the substrate 21. The first contact 22 is in a circular ring shape. The third convex portion 1115 abuts against the first contact 22.

[0042] refer to Figure 5 and Figure 6 The third main body portion 1113 includes a first limiting portion 1114, which is located on the side of the third convex portion 1115 away from the first base 112. The first limiting portion 1114 is at least partially located in the second mounting hole 23. The first limiting portion 1114 is adapted to the second mounting hole 23. The diameter of the first limiting portion 1114 is slightly smaller than the diameter of the second mounting hole 23, so that during assembly, the friction between the first limiting portion 1114 and the second mounting hole 23 is reduced. At the same time, the assembly inconvenience caused by manufacturing tolerance and assembly error is prevented. Since the second mounting hole 23 has a certain radial limiting effect on the first limiting portion 1114, the wear of the third convex portion 1115 on the first contact 22 is reduced.

[0043] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. An integrated component, comprising a first coil component (1) and a circuit board (2), characterized in that: The integrated component comprises a box body (3), the box body (3) having a receiving cavity (31), the first coil component (1) being at least partially located in the receiving cavity (31), the first coil component (1) comprising a first joint, the first joint comprising a first conductive portion (111) and a first base (112), the integrated component comprising a first elastic member (4), the box body (3) having a first abutting portion (321), the first elastic member (4) being located between the first abutting portion (321) and the first base (112), one end of the first elastic member (4) being abutted or fixed to the first abutting portion (321), the other end of the first elastic member (4) being abutted or fixed to the first base (112), the first conductive portion (111) being away from the first elastic member (4) and protruding from the first base (112), the circuit board (2) having a first contact point (22), the first conductive portion (111) being abutted to a side of the first contact point (22) facing the first base (112).

2. The integrated assembly according to claim 1, characterized in that: The box body (3) comprises a supporting portion (32), the supporting portion (32) having a first mounting hole (322), the first elastic member (4) being at least partially located in the first mounting hole (322), and the first abutting portion (321) being located on a side of the first mounting hole (322) facing away from the first base (112).

3. The integrated assembly according to claim 2, characterized in that: The support portion (32) has a first groove (323), the opening of the first mounting hole (322) facing away from the first abutting portion (321) is located on a groove bottom wall corresponding to the first groove (323), and the first base (112) is at least partially located in the first groove (323).

4. The integrated assembly according to claim 3, characterized in that: The wall corresponding to the first groove (323) includes a first side wall (324) and a second side wall (325), the first side wall (324) is opposite to the second side wall (325), the support portion (32) has a first slide groove (326) and a second slide groove (327), the first slide groove (326) is recessed in the first side wall (324), the second slide groove (327) is recessed in the second side wall (325), the first base (112) includes a first body portion (1121), a first convex portion (1122) and a second convex portion (1123), the first convex portion (1122) The second protrusion (1123) protrudes from the first main body (1121), the first protrusion (1122) is at least partially located in the first slide groove (326), the first protrusion (1122) is hemispherical, and the first protrusion (1122) can slide along the wall corresponding to the first slide groove (326), the second protrusion (1123) is at least partially located in the second slide groove (327), the second protrusion (1123) is hemispherical, and the second protrusion (1123) can slide along the wall corresponding to the second slide groove (327).

5. The integrated assembly according to claim 4, characterized in that: The circuit board (2) comprises a substrate (21), and the first contact (22) is located on a side of the first substrate (21) facing the first base (112).

6. The integrated assembly according to claim 5, characterized in that: The first conductive portion (111) comprises a second main body portion (1111) and a first bent portion (1112); the first bent portion (1112) is located at an end of the second main body portion (1111) away from the first base (112); the first bent portion (1112) is arched toward the circuit board (2); and a side of the first bent portion (1112) facing the circuit board (2) abuts against the first contact point (22).

7. The integrated assembly according to claim 5, characterized in that: The first conductive part (111) comprises a third main body part (1113) and a third convex part (1115), wherein the third convex part (1115) protrudes from a side wall of the third main body part (1113), the circuit board (2) comprises a second mounting hole (23), the second mounting hole (23) passes through the first contact point (22) and the substrate (21), the third convex part (1115) abuts against the first contact point (22), the third main body part (1113) comprises a first limiting part (1114), the first limiting part (1114) is located on a side of the third convex part (1115) away from the first base (112), the first limiting part (1114) is at least partially located in the second mounting hole (23), and the first limiting part (1114) is adapted to the second mounting hole (23).

8. The integrated assembly according to any one of claims 1 to 7, characterized in that: The box body (3) has a first bottom wall portion (33), the support portion (32) protrudes from the first bottom wall portion (33), the first coil component (1) is located on the first bottom wall portion (33), the first coil component (1) comprises a first coil unit and a first conductive connecting portion (113), one end of the first conductive connecting portion (113) is electrically connected to the first coil unit, the first conductive connecting portion (113) is conductively connected to the first conductive portion (111), and the first conductive connecting portion (113) is a flexible member.

9. The integrated assembly according to claim 8, characterized in that: The integrated component comprises a circulation plate (5) and a first valve body (6), the first valve body (6) penetrates the first bottom wall portion (33), the circulation plate (5) has a third mounting hole (51), a portion of the first valve body (6) is located in the third mounting hole (51), the first coil unit is located in the first valve body (6), and the box body (3) is fixedly or position-limitedly connected to the circulation plate (5).

10. The integrated assembly according to claim 8, characterized in that The integrated component comprises a second coil component (7), the second coil component (7) is at least partially located in the accommodating cavity (31), the second coil component (7) comprises a second connector, the second connector comprises a second conductive portion (711) and a second base (712), the integrated component comprises a second elastic member (8), the box body (3) comprises a second abutting portion (328), the second elastic member (8) is located between the second abutting portion (328) and the second base (712), one end of the second elastic member (8) abuts or is fixed to the second abutting portion (328), the other end of the second elastic member (8) abuts or is fixed to the second base (712), the second conductive portion (711) is away from the second elastic member (8) and protrudes from the second base (712), the circuit board (2) comprises a second contact point (24), the second conductive portion (711) abuts against a side of the second contact point (24) facing the second base (712).