Integrated assembly
By designing a first joint with a first limiting wall in the integrated assembly, the problem of insufficient positioning accuracy caused by inconsistent pin element height is solved, and a higher positioning accuracy and electrical connection stability of the circuit board and coil assembly are achieved. .
Patent Information
- Application Number
- CN202310956808.6
- 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
In existing integrated components, inconsistent height of the pins leads to insufficient positioning accuracy of the pins, affecting the electrical connection stability of the circuit board and the coil assembly.
An integrated assembly is designed, wherein the first coil assembly includes a first connector, and the first connector has a first limit wall. After the circuit board is installed in place, the first limit wall and the circuit board face toward one side of the box. Connect to limit the circuit board to continue to move and improve the positioning accuracy of the conductive parts and circuit board.
Through the contact between the first limiting wall and the circuit board, the movement of the circuit board is effectively limited, the positioning accuracy between the first conductive part and the circuit board is improved, and the stability of the electrical connection is enhanced.
Smart Images
Figure CN119435791A_ABST
Abstract
Description
[Technical field]
[0001] The present invention relates to the technical field of fluid control, in particular to an integrated component. [Background technology]
[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 first pin 32' of the pin 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 first 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 first pin 32' being transitionally inserted into the pin hole. The positioning accuracy of the first pin 32' and the circuit board 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 connector, the first connector comprising a first conductive portion, the first conductive portion being electrically in contact with the circuit board, the first connector having a first limiting wall portion, the first limiting wall portion abutting against a side of the circuit board facing the box body.
[0005] In such an integrated component, the first coil component includes a first connector, and the first connector has a first limiting wall portion. After the circuit board is installed in place, the first limiting wall portion abuts against the side of the circuit board facing the box body to limit the circuit board from moving further, thereby improving the positioning accuracy of the first conductive portion and the circuit board. 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 It is a partial structural schematic diagram of the first conductive part of the integrated component in the present invention;
[0009] Figure 4 It is a schematic diagram of the structure of the circuit board of the integrated component in the present invention;
[0010] Figure 5 It is a partial structural schematic diagram of another embodiment of the integrated component in the present invention;
[0011] Figure 6 It is a partial structural schematic diagram of another embodiment of the integrated component in the present invention;
[0012] Figure 7 It is a partial structural schematic diagram of another embodiment of the integrated component in the present invention;
[0013] Figure 8 It is a schematic diagram of the structure of the pin in the background technology.
[0014] Reference numerals:
[0015] The first coil component 1, the first connector 11, the first conductive portion 111, the first main body 1111, the first protrusion 1112, the first pin 1113, the fourth portion 1114, the fifth portion 1115, the first base 112, the second main body 1121, the first limiting wall 1122, the first limiting portion 1123, the first main body 1124, the second protrusion 1125, the third portion 1126, the second clamping portion 1127, the third limiting wall 1128, the first portion 1131, the second portion 1132, the first clamping portion 1133, the second limiting wall 1134,
[0016] Circuit board 2, substrate 21, first via hole 22, second via hole 23, first conductive layer 24, second conductive layer 25,
[0017] Box body 3, accommodating cavity 31, supporting portion 32, first bottom wall portion 33,
[0018] Screw 4, fourth limiting wall portion 41,
[0019] Flow plate 5, mounting hole 51, first valve body 6,
[0020] The second coil component 7 , the second connector 71 , and the second conductive portion 711 . DETAILED DESCRIPTION
[0021] The technical solution of the specific implementation method is described below in conjunction with the accompanying drawings.
[0022] 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.
[0023] refer to Figure 1 and Figure 2 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 11, the first connector 11 includes a first conductive portion 111, the first conductive portion 111 is in electrical contact with the circuit board 2, the first connector 11 has a first limiting wall portion 1122, and the first limiting wall portion 1122 abuts against a side of the circuit board 2 facing the box body 3.
[0024] In such an integrated component, the first coil component 1 includes a first connector 11, and the first connector 11 has a first limiting wall portion 1122. After the circuit board 2 is installed in place, the first limiting wall portion 1122 abuts against the side of the circuit board 2 facing the box body 3, limiting the circuit board 2 from moving further, thereby improving the positioning accuracy of the first conductive portion 111 and the circuit board 2.
[0025] The first limiting wall portion 1122 abuts against the side of the circuit board 2 facing the box body 3, including direct abutment and indirect abutment. For example, a gasket is provided between the first limiting wall portion 1122 and the substrate 21 to prevent the first limiting wall portion 1122 from causing damage to the substrate 21, etc., which will not be elaborated here.
[0026] The first limiting wall portion 1122 abuts against the side of the circuit board 2 facing the box body 3. For example, the circuit board 2 includes a substrate 21. Relevant statements will be made below. The first limiting wall portion 1122 abuts against the substrate 21. At this time, the side of the circuit board 2 facing the box body 3 refers to the side of the substrate 21 facing the box body 3. For example, the circuit board 2 includes electronic components. The first limiting wall portion 1122 abuts against the electronic components. At this time, the side of the circuit board 2 facing the box body 3 refers to the side of the electronic components facing the box body 3, etc. As long as the first limiting wall portion 1122 plays a role in limiting the circuit board 2, it will not be elaborated here.
[0027] refer to Figure 1 The box body 3 has a 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. One end of the first conductive connecting portion is electrically connected to the first coil unit, and the other end of the first conductive connecting portion is electrically connected to the first conductive portion 111. The first conductive connecting portion is a flexible part, for example, the first conductive connecting portion 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 electric shock.
[0028] refer to Figure 1The box body 3 includes a supporting portion 32, the supporting portion 32 protrudes from the first bottom wall portion 33, the supporting portion 32 has a first groove, the first groove is recessed in the top wall of the supporting portion 32, the first connector 11 includes a first base 112, the first base 112 includes a second main body portion 1121, the first conductive portion 111 is fixed to the second main body portion 1121, the second main body portion 1121 is at least partially located in the first groove, and the second main body portion 1121 is adapted to the first groove.
[0029] refer to Figure 2-Figure 4 The first conductive part 111 includes a first pin 1113, the first pin 1113 includes a fourth part 1114 and a fifth part 1115, the fourth part 1114 is arc-shaped, the fifth part 1115 is arc-shaped, the fourth part 1114 and the fifth part 1115 are symmetrically arranged, for example, the first pin 1113 is elliptical, the circuit board 2 has a second via hole 23, the circuit board 2 has a first conductive layer 24, the first conductive layer 24 is located at a hole wall corresponding to the second via hole 23, the first pin 1113 is at least partially located in the second via hole 23, the fourth part 1114 abuts against the first conductive layer 24, and the fifth part 1115 abuts against the first conductive layer 24.
[0030] The first pin 1113 is configured to be elliptical. When inserted into the second via hole 23, on the one hand, the contact area with the first conductive layer 24 is reduced. On the other hand, when inserted into the second via hole 23, the first pin 1113 will deform inward to provide a certain elastic force, so that the first pin 1113 is in good contact with the first conductive layer 24.
[0031] refer to Figure 2 The first base 112 includes a first limiting portion 1123, the first limiting portion 1123 protrudes from the second main body portion 1121, the first limiting wall portion 1122 is located at the first limiting portion 1123, the circuit board 2 includes a substrate 21, and the first limiting wall portion 1122 abuts against a side of the substrate 21 facing the box body 3.
[0032] refer to Figure 2 The first limiting portion 1123 includes a first main body portion 1124 and a second protrusion 1125. The second protrusion 1125 protrudes from the peripheral wall of the first main body portion 1124. The second protrusion 1125 is in a circular ring shape. The first limiting wall portion 1122 is located on the side of the second protrusion 1125 facing the substrate 21. The circuit board 2 has a first through hole 22. A portion of the first main body portion 1124 is located in the first through hole 22. A portion of the first main body portion 1124 is adapted to the first through hole 22, thereby reducing the wear of the first limiting portion 1123 on the circuit board 2 when the box body 3 vibrates.
[0033] refer to Figure 2The first limiting portion 1123 includes a third portion 1126 and a second clamping portion 1127. The third portion 1126 is located at one end of the first main body portion 1124 away from the second main body portion 1121. The second clamping portion 1127 is located at one end of the third portion 1126 away from the first main body portion 1124. The second clamping portion 1127 has a third limiting wall portion 1128. The third limiting wall portion 1128 abuts against the side of the substrate 21 away from the box body 3 to prevent the first pin 1113 from detaching from the second through hole 23.
[0034] The second clamping portion 1127 is triangular in shape. During installation, the second clamping portion 1127 passes through the first via hole 22 from the side of the substrate 21 facing the box body 3 to the side of the circuit board 2 facing away from the box body 3. During the installation process, the third portion 1126 will be deflected to a certain extent.
[0035] Of course, two third parts 1126 can be provided, and two second clamping parts 1127 can also be provided. Another third part 1126 is combined with another second clamping part 1127, which will not be described in detail here.
[0036] Of course, there may be multiple first limiting portions 1123 , for example, there are two first limiting portions 1123 , and the two first limiting portions 1123 are arranged in the width direction of the circuit board 2 .
[0037] refer to Figure 5 The coil assembly has a screw 4 , which cooperates with the first body portion 1124 , and has a fourth limiting wall portion 41 , which abuts against a side of the substrate 21 away from the box body 3 .
[0038] After the circuit board 2 is installed in place, the first main body portion 1124 is inserted into the first through hole 22. The first main body portion 1124 is provided with a screw 4 hole. The screw 4 is installed from the side of the circuit board 2 away from the box body 3. The first base 112 is fixed to the circuit board 2 through the cooperation of the screw 4 and the second protrusion 1125. At the same time, the first main body portion 1124 is inserted into the first through hole 22, reducing the risk of damage to the circuit board 2 when the screw 4 is installed.
[0039] refer to Figure 6 The first limiting portion 1123 is columnar, the first limiting wall portion 1122 is located at the end of the first limiting portion 1123 away from the second main body portion 1121, the first base 112 includes a second limiting portion, the second limiting portion includes a first portion 1131, a second portion 1132 and a first clamping portion 1133, the first portion 1131 protrudes from the second main body portion, the first portion 1131 is located at one end of the second portion 1132, the first clamping portion 1133 is located at the other end of the second portion 1132, the first clamping portion 1133 has a second limiting wall portion 1134, and the second limiting wall portion 1134 abuts against the side of the substrate 21 away from the box body 3.
[0040] Of course, there may be multiple second limiting portions, for example, there may be two second limiting portions, which are arranged in the width direction of the circuit board 2 to improve stability.
[0041] refer to Figure 7 The first conductive portion 111 includes a first main body portion 1111 and a first convex portion 1112 . The first convex portion 1112 protrudes from the peripheral wall of the first main body portion 1111 . The first limiting wall portion 1122 is located on a side of the first convex portion 1112 facing the substrate 21 .
[0042] 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 mounting hole 51, a portion of the first valve body 6 is located in the 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.
[0043] 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 71, and the second connector 71 includes a second conductive portion 711. The second conductive portion 711 is in electrical contact with the circuit board 2. The second connector 71 has a fifth limiting wall portion, which abuts against a side of the circuit board 2 facing the box body 3.
[0044] refer to Figure 4 The second conductive portion 711 includes a second pin, the circuit board 2 has a third via hole, the circuit board 2 has a second conductive layer 25, the second conductive layer 25 is located on the hole wall corresponding to the third via hole, the second pin is at least partially located in the third via hole, and the second pin abuts against the second conductive layer 25.
[0045] There are multiple first conductive layers 24 and second conductive layers 25, for example, there are four first conductive layers 24 and second conductive layers 25. Of course, the conductive layers of the circuit board 2 can be set according to specific needs, such as the number of coil units, which will not be elaborated here.
[0046] 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.
[0047] 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 connector (11), the first connector (11) comprising a first conductive portion (111), the first conductive portion (111) being in electrical contact with the circuit board (2), the first connector (11) having a first limiting wall portion (1122), the first limiting wall portion (1122) being in contact with a side of the circuit board (2) facing the box body (3).
2. The integrated assembly according to claim 1, characterized in that: The circuit board (2) comprises a substrate (21), the first limiting wall portion (1122) abuts against a side of the substrate (21) facing the box body (3), the first connector (11) comprises a first base (1112), the first base (1112) comprises a second main body portion (1121), and the first conductive portion (111) is fixed to the second main body portion (1121).
3. The integrated assembly according to claim 2, characterized in that: The first conductive portion (111) comprises a first main body portion (1111) and a first convex portion (1112), wherein the first convex portion (1112) protrudes from a peripheral wall of the first main body portion (1111), and the first limiting wall portion (1122) is located on a side of the first convex portion (1112) facing the substrate (21).
4. The integrated assembly according to claim 2, characterized in that: The first base (1112) comprises a first limiting portion (1123), the first limiting portion (1123) protrudes from the second main body portion (1121), and the first limiting wall portion (1122) is located at the first limiting portion (1123).
5. The integrated assembly according to claim 4, characterized in that: The first limiting portion (1123) is columnar, and the first limiting wall portion (1122) is located at an end of the first limiting portion (1123) away from the second main body portion (1121).
6. The integrated assembly according to claim 3 or 5, characterized in that: The first base (1112) includes a second limiting portion, and the second limiting portion includes a first portion (1131), a second portion (1132) and a first clamping portion (1133), the first portion (1131) protrudes from the second main body portion, the first portion (1131) is located at one end of the second portion (1132), the first clamping portion (1133) is located at the other end of the second portion (1132), and the first clamping portion (1133) has a second limiting wall portion (1134), and the second limiting wall portion (1134) abuts against a side of the substrate (21) that is away from the box body (3).
7. The integrated assembly according to claim 4, characterized in that: The first limiting portion (1123) comprises a first main body portion (1124) and a second protrusion (1125), wherein the second protrusion (1125) protrudes from the peripheral wall of the first main body portion (1124), and the first limiting wall portion (1122) is located on the side of the second protrusion (1125) facing the substrate (21), the circuit board (2) has a first via hole (22), and a portion of the first main body portion (1124) is located in the first via hole (22).
8. The integrated assembly according to claim 7, characterized in that: The first limiting portion (1123) includes a third portion (1126) and a second clamping portion (1127), wherein the third portion (1126) is located at an end of the first main body portion (1124) away from the second main body portion (1121), and the second clamping portion (1127) is located at an end of the third portion (1126) away from the first main body portion (1124), and the second clamping portion (1127) has a third limiting wall portion (1128), and the third limiting wall portion (1128) abuts against a side of the substrate (21) that is away from the box body (3).
9. The integrated assembly according to claim 7, characterized in that: The coil assembly has a screw (4), the screw (4) cooperates with the first main body (1124), the screw (4) has a fourth limiting wall (41), and the fourth limiting wall (41) abuts against a side of the substrate (21) facing away from the box body (3).
10. The integrated assembly according to claim 1, characterized in that: The first conductive part (111) comprises a first plug pin (1113), the first plug pin (1113) comprises a fourth part (1114) and a fifth part (1115), the fourth part (1114) is arc-shaped, the fifth part (1115) is arc-shaped, the fourth part (1114) and the fifth part (1115) are symmetrically arranged, the circuit board (2) has a second via hole (23), the circuit board (2) has a first conductive layer (24), the first conductive layer (24) is located on a hole wall corresponding to the second via hole (23), the first plug pin (1113) is at least partially located in the second via hole (23), the fourth part (1114) abuts against the first conductive layer (24), and the fifth part (1115) abuts against the first conductive layer (24).
11. The integrated assembly according to claim 1, 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 (71), the second connector (71) comprises a second conductive portion (711), the second conductive portion (711) is in electrical contact with the circuit board (2), the second connector (71) has a fifth limiting wall portion, and the second limiting wall portion (1134) abuts against a side of the circuit board (2) facing the box body (3).