CN213278457U - Connection structure of circuit board and terminal - Google Patents
Connection structure of circuit board and terminal Download PDFInfo
- Publication number
- CN213278457U CN213278457U CN202022509341.5U CN202022509341U CN213278457U CN 213278457 U CN213278457 U CN 213278457U CN 202022509341 U CN202022509341 U CN 202022509341U CN 213278457 U CN213278457 U CN 213278457U
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- circuit board
- terminal
- driver circuit
- clamping
- connection
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Abstract
The utility model discloses a connection structure of a circuit board and a terminal, which comprises at least 1 terminal electrically connected with a motor winding and a driver circuit board used for driving a motor to run, wherein the driver circuit board comprises at least 1 connecting conductor; the connecting conductor comprises a circuit board connecting part and a terminal clamping part which are in conductive installation connection, and the circuit board connecting part is installed on the driver circuit board and is in conductive connection with the driver circuit board; the terminal clamping part is provided with a clamping interface, and the terminal is limited and clamped in the clamping interface and is electrically connected with the circuit board connecting part; the utility model discloses a set up connecting conductor's structural design, realize being connected with the nimble portable machinery of terminal, avoid with terminal beading on the circuit board and lead to operational environment poor and disassemble the problem that wastes time and energy.
Description
Technical Field
The utility model belongs to the motor drive field, concretely relates to connection structure of circuit board and terminal.
Background
With the development and deep application of the motor frequency conversion technology, people pay attention to how to establish a reliable and convenient electric connection structure between a driver circuit board and a motor. Specifically, the motor usually needs to lead out an electrical connection conductor for connecting to the driver circuit board, and a relatively cheap and reliable connection mode is to directly weld the terminal to the output end interface of the driver circuit board in a soldering mode, so that the cost of a power-on lead and a terminal box is saved, and the production and manufacturing cost is greatly reduced. However, this structure also brings new technical problems: in a laboratory with poor ventilation or an assembly factory, smoke harmful to human health is generated in a soldering tin process, and meanwhile, unqualified products often appear in large-scale small motors due to the adoption of an artificial soldering tin mode. People need to disassemble and recycle the terminal of the driver so as to reduce the material cost, but the disassembling process further increases the labor and time cost, and an operator can suck the soldering tin smog again in the disassembling process.
Therefore, it is necessary to find a new technical solution to solve the above technical problems.
Disclosure of Invention
In view of this, the utility model aims at providing a connection structure of circuit board and terminal through the structural design who sets up connecting conductor, realizes the nimble portable mechanical connection with the terminal, avoids with the terminal beading on the circuit board and lead to operational environment poor and disassemble the problem that wastes time and energy.
The utility model adopts the technical scheme as follows:
a circuit board and terminal connection structure comprises at least 1 terminal electrically connected with a motor winding and a driver circuit board used for driving a motor to run, wherein the driver circuit board comprises at least 1 connecting conductor; the connecting conductor comprises a circuit board connecting part and a terminal clamping part which are in conductive installation connection, and the circuit board connecting part is installed on the driver circuit board and is in conductive connection with the driver circuit board; the terminal clamping portion is provided with a clamping interface, and the terminal is clamped in the clamping interface corresponding to the terminal in a limiting mode and is electrically connected with the circuit board connecting portion.
Preferably, the joint interface is the adduction waist type shape that has to its inside bending for realize the spacing joint effect to the terminal.
Preferably, the card interface is provided with a disconnection gap for reducing or avoiding the occurrence of deformation after the plug-in terminal to cause conduction failure.
Preferably, the connecting conductor is an integral structural member made of a conductive metal material.
Preferably, the circuit board connection part is fixedly mounted on the driver circuit board by a wave soldering process.
Preferably, the terminal clamping portion comprises a first terminal clamping edge and a second terminal clamping edge which extend and bend along two sides of the circuit board connecting portion respectively, and the first terminal clamping edge and the second terminal clamping edge are correspondingly matched to form the clamping interface.
Preferably, a disconnection gap is arranged between the first terminal clamping edge and the second terminal clamping edge.
Preferably, the driver circuit board is provided with a first limit groove for limiting and installing the terminal clamping portion.
Preferably, the driver circuit board is provided with a second limiting groove for limiting and mounting the circuit board connecting part.
The utility model discloses a setting has the connecting conductor structure of electrically conductive property, at first the circuit board connecting portion with connecting conductor is connected with the driver circuit board electricity that stabilizes, then utilize the terminal joint portion that has the joint mouth to carry out nimble portable's mechanical type joint with the terminal, realize the electricity effect of connecting simultaneously, the process of installation and dismouting is all simple and convenient, easily operation, avoid among the prior art with the terminal lug weld on the circuit board and lead to the operational environment poor and disassemble the problem of wasting time and energy.
Drawings
Fig. 1 is a schematic view of a connection structure between a circuit board and a terminal according to an embodiment of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is a schematic diagram of the exploded structure of FIG. 1;
FIG. 4 is a schematic view of a connection conductor according to an embodiment of the present invention;
FIG. 5 is a schematic view of the structure of FIG. 4 after being rotated by an angle;
fig. 6 is a schematic structural view of fig. 4 rotated by another angle.
Detailed Description
The embodiment of the utility model discloses a connection structure of a circuit board and a terminal, which comprises at least 1 terminal electrically connected with a motor winding and a driver circuit board used for driving a motor to run, wherein the driver circuit board comprises at least 1 connecting conductor; the connecting conductor comprises a circuit board connecting part and a terminal clamping part which are in conductive installation connection, and the circuit board connecting part is installed on the driver circuit board and is in conductive connection with the driver circuit board; the terminal clamping portion is provided with a clamping interface, and the terminal is in clamping connection with the circuit board connecting portion in a limiting mode and is electrically connected with the circuit board connecting portion.
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Referring to fig. 1, 2 and 3, a circuit board and terminal connection structure includes 3 terminals 2a, 2b and 2c electrically connected to a motor winding 1 and a driver circuit board 3 (specifically, a PCB board may be used) for driving a motor to operate, where the driver circuit board 3 includes 3 connection conductors 4a, 4b and 4c corresponding to the terminals one to one; in other embodiments, the number of the terminals 2a, 2b, 2c of the motor winding 1 may be determined according to the actual requirement of the driving control, and the application is not particularly limited thereto;
as further shown in fig. 4, 5 and 6, in the present embodiment, each of the connecting conductors 4a, 4b and 4c includes a circuit board connecting portion 41 and a terminal clamping portion 42, the circuit board connecting portion 41 is mounted on the driver circuit board 3 and electrically connected thereto; the terminal clamping portion 42 is provided with a clamping interface 43, and the terminals 2a, 2b and 2c are clamped in the corresponding clamping interfaces 43 in a limiting manner and are electrically connected with the circuit board connecting portion 41; preferably, in order to facilitate manufacturing, in the present embodiment, the connecting conductors 4a, 4b, 4c are made of an integral structural member made of a conductive metal material, specifically, a copper, aluminum, iron or other suitable conductive metal sheet, and then are formed by a stamping process; particularly preferably, in the present embodiment, the circuit board connection portion 41 of the connection conductors 4a, 4b, 4c is fixedly mounted on the driver circuit board 3 by the wave soldering process, ensuring the mounting stability of the circuit board connection portion 41 on the driver circuit board 3;
preferably, in the present embodiment, the terminal clamping portion 42 includes a first terminal clamping edge 42a and a second terminal clamping edge 42b respectively extending and bending along two sides of the circuit board connecting portion 41, and the first terminal clamping edge 42a and the second terminal clamping edge 42b are correspondingly matched to form the clamping interface 43, so as to provide pressing force and accommodating space for the corresponding terminal, thereby forming a clamping effect; the clamping interface 43 is in an inward-bending waist shape which is bent towards the inside of the clamping interface and is used for realizing the limiting clamping effect on the terminal; further preferably, in the present embodiment, the card interface 43 is provided with the disconnection gap 44, so that the connection between the terminal and the terminal card portion 42 is more reliable, and the disconnection gap is used for reducing or avoiding the conduction failure caused by the deformation after the terminal is plugged, reducing the conduction failure rate, and improving the qualification rate of the finished product;
preferably, in order to further facilitate mounting compactness and mounting stability, in the present embodiment, the driver circuit board 3 is provided with a first stopper groove 31 for stopping the mounting terminal catching portion 42; the driver circuit board 3 is provided with a second limiting groove 32 for limiting the mounting of the circuit board connecting portion 41, wherein the circuit board connecting portion 41 is integrally connected with the terminal clamping portion 42 through a transition bending portion 41 a.
This embodiment has conductive property's connecting conductor 4a through the setting, 4b, the 4c structure, at first with connecting conductor 4a, 4b, 4 c's circuit board connecting portion 41 is connected with driver circuit board 3 is firm electrically, then utilize terminal joint portion 42 that has joint mouth 43 and terminal to carry out nimble portable's mechanical type joint, realize the electric connection effect simultaneously, the process of installation and dismouting is all simple and convenient, easily operation, avoid among the prior art with terminal beading on the circuit board and lead to operational environment poor and disassemble the problem that wastes time and energy.
It should be noted that, when implemented, the present application can be applied to a connection structure between a driver circuit board and a motor winding terminal in the fields of automobiles, electrical appliances, and the like, and all can bring the same technical effects, and all belong to the protection scope of the present application.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. A circuit board and terminal connection structure, comprising at least 1 terminal electrically connected with a motor winding and a driver circuit board for driving the motor to operate, characterized in that the driver circuit board comprises at least 1 connection conductor; the connecting conductor comprises a circuit board connecting part and a terminal clamping part which are in conductive installation connection, and the circuit board connecting part is installed on the driver circuit board and is in conductive connection with the driver circuit board; the terminal clamping portion is provided with a clamping interface, and the terminal is clamped in the clamping interface corresponding to the terminal in a limiting mode and is electrically connected with the circuit board connecting portion.
2. The structure of claim 1, wherein the locking interface has an inward-curved shape for locking the terminal in a limited manner.
3. The structure of claim 2, wherein the card interface has a disconnection gap for reducing or preventing conduction failure due to deformation of the inserted terminal.
4. The structure of claim 2, wherein the connecting conductor is a unitary structure made of conductive metal.
5. The circuit board-to-terminal connection structure according to claim 1 or 4, wherein the circuit board connection portion is fixedly mounted on the driver circuit board by a wave soldering process.
6. The structure of claim 1 or 4, wherein the terminal clamping portion includes a first terminal clamping edge and a second terminal clamping edge that extend and bend along two sides of the circuit board connecting portion, and the first terminal clamping edge and the second terminal clamping edge are correspondingly matched to form the clamping interface.
7. The circuit board and terminal connection structure of claim 6, wherein a disconnection gap is provided between the first terminal clamping edge and the second terminal clamping edge.
8. The connecting structure of circuit board and terminal as claimed in claim 1, wherein the driver circuit board is provided with a first limiting groove for limiting installation of the terminal clamping portion.
9. The structure of claim 1 or 8, wherein the driver circuit board is provided with a second limiting groove for limiting the mounting of the circuit board connecting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022509341.5U CN213278457U (en) | 2020-11-03 | 2020-11-03 | Connection structure of circuit board and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022509341.5U CN213278457U (en) | 2020-11-03 | 2020-11-03 | Connection structure of circuit board and terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213278457U true CN213278457U (en) | 2021-05-25 |
Family
ID=75952164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022509341.5U Active CN213278457U (en) | 2020-11-03 | 2020-11-03 | Connection structure of circuit board and terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213278457U (en) |
-
2020
- 2020-11-03 CN CN202022509341.5U patent/CN213278457U/en active Active
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