CN212138001U - Connecting structure - Google Patents
Connecting structure Download PDFInfo
- Publication number
- CN212138001U CN212138001U CN202020987292.3U CN202020987292U CN212138001U CN 212138001 U CN212138001 U CN 212138001U CN 202020987292 U CN202020987292 U CN 202020987292U CN 212138001 U CN212138001 U CN 212138001U
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- circuit board
- flexible circuit
- flat motor
- conductive metal
- metal sheet
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The purpose of this application is to provide a kind of connection structure, the said connection structure is used for connecting the flat motor and mother board of the electronic terminal product, the said connection structure includes flexible circuit board, conductive metal sheet and mesh wire, the signal line of the said flat motor is connected with signal terminal on the said mother board via the flexible circuit board, the said conductive metal sheet is set up on the metal casing of the said flat motor, as the electric wire earthing terminal of the flat motor; the grid lead is laid on the flexible circuit board, is used as the electric wire grounding end of the flexible circuit board and wraps the signal wire on the flexible circuit board; the flat motor is connected with the electric wire grounding end of the mainboard of the electronic terminal product through the conductive metal sheet, and the flexible circuit board is connected with the electric wire grounding end of the mainboard of the electronic terminal product through the grid lead. This application connection structure can reach the effect of shielding interference signal completely, reduces flat motor's electromagnetic interference and to the influence of whole machine performance.
Description
Technical Field
The utility model belongs to the technical field of flat motor electron, in particular to connection structure, connection structure is used for connecting the mainboard of flat motor and electronic terminal product.
Background
The flat motor is mainly applied to electronic terminal products such as mobile phones, tablet computers, electric toys and medical communication, and becomes an indispensable living article for personal tools of people at present.
In the installation of the whole machine, the connection mode of the flat motor comprises wire welding, connector insertion, FPC (flexible printed circuit) insertion and elastic connection. The plug-in connection of the flexible circuit board of the flat motor needs to use a lead, one end of the lead is connected with a pin of the motor body through welding, and the other end of the lead is connected with the mainboard through an elastic sheet of an electric wire grounding end. Because the flat motor brings electromagnetic interference due to the generation of electric arc in the phase-changing process, in order to reduce the influence of the electromagnetic interference on the performance of the whole machine, a commonly adopted measure at present is to manually paste conductive cloth or conductive sponge in the whole machine assembling process of an electronic terminal product to connect the flat motor with the electric wire grounding end of a whole machine mainboard. This measure can reduce the electromagnetic interference signal generated by the flat motor, but does not greatly contribute to the interference signal radiated through two wires on the FPC (flexible circuit board).
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings or shortcomings of the prior art, the present invention is to solve the technical problem of reducing the electromagnetic interference signal radiated from the flexible circuit board of the flat motor.
In order to solve the above technical problem, the present invention provides a connection structure for connecting a flat motor and a motherboard of an electronic terminal product, including a flexible circuit board, a conductive metal sheet and a grid wire, wherein a signal line of the flat motor is connected to a signal terminal on the motherboard via the flexible circuit board, and the conductive metal sheet is disposed on a metal housing of the flat motor and serves as a wire grounding end of the flat motor; the grid lead is laid on the flexible circuit board, is used as the electric wire grounding end of the flexible circuit board and wraps the signal wire on the flexible circuit board; the flat motor is connected with the electric wire grounding end of the mainboard of the electronic terminal product through the conductive metal sheet, and the flexible circuit board is connected with the electric wire grounding end of the mainboard of the electronic terminal product through the grid lead.
Furthermore, one end of the conductive metal sheet is fixed on the metal shell of the flat motor, and the other end of the conductive metal sheet is connected with a main board of the electronic terminal product.
Further, the metal sheet capable of conducting electricity is elastic.
Furthermore, the conductive metal sheet is made of copper.
Further, one end of the conductive metal sheet is fixed on the metal shell of the flat motor by welding or is integrally formed with the metal shell.
Furthermore, the grid wires are made of aluminum or copper.
Furthermore, the grid wires are made of copper.
Furthermore, the flexible circuit board is provided with an electric wire grounding terminal pad, and the flexible circuit board is connected with a main board of the electronic terminal product through the electric wire grounding terminal pad.
Further, the cross section of the conductive metal sheet is rectangular.
Further, the length of the conductive metal sheet is not greater than the diameter of the flat motor.
Compared with the prior art, the connection structure that this application provided has following beneficial effect:
according to the scheme, the grid lead is laid on the flexible circuit board to increase the grounding end of the flexible circuit board; the conductive metal sheet is additionally arranged on the flat motor, so that the flexible circuit board, the flat motor and a main board of the electronic terminal are grounded, interference signals leaked through motor signal wiring on the flexible circuit board are shielded, and the influence of electromagnetic interference of the flat motor on the overall performance of an electronic terminal product is reduced.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1: the working schematic diagram of the connection structure in one embodiment of the application;
FIG. 2: the structure of the flat motor in one embodiment of the application is schematically shown;
description of reference numerals: flat motor 1, conductive metal sheet 11, flexible circuit board 2, grid wire 21, wire grounding terminal 3 of main board, signal terminal 4, pad 5
Detailed Description
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
As shown in fig. 1-2, a connection structure provided in an embodiment of the present application is used for connecting a flat motor 1 and a main board of an electronic terminal product, the connection structure includes a flexible circuit board 2, a conductive metal sheet 11 and a grid wire 21, a signal line of the flat motor 1 is connected with a signal terminal 4 on the main board via the flexible circuit board 2, and the conductive metal sheet 11 is disposed on a metal housing of the flat motor 1 and serves as a wire grounding terminal of the flat motor 1; the grid lead 21 is laid on the flexible circuit board 2 and used as an electric wire grounding end of the flexible circuit board 2, and the grid lead 21 wraps the signal wire on the flexible circuit board 2; the flat motor 1 is connected with the electric wire grounding terminal 3 of the mainboard of the electronic terminal product through the conductive metal sheet 11, and the flexible circuit board 2 is connected with the electric wire grounding terminal 3 of the mainboard of the electronic terminal product through the grid lead 21.
The utility model provides a connection structure lays net wire 21 on flexible circuit board 2, the area of 2 electric wire earthing terminals of flexible circuit board has been increased, be connected electric wire earthing terminal (net wire 21) of flexible circuit board 2 with the electric wire earthing terminal 3 of electronic terminal product mainboard, increase the sheetmetal 11 that can electrically conduct on flat motor 1, make flat motor 1's electric wire earthing terminal (sheetmetal 11 that can electrically conduct) be connected with electric wire earthing terminal 3 of electronic terminal product mainboard, finally flexible circuit board 2 and flat motor 1's electric wire earthing terminal all receives on electric wire earthing terminal 3 of electronic terminal product mainboard, make the mainboard, there is not the potential difference between 1 shell of flat motor and the electronic terminal product mainboard. Make flexible circuit board 2, flat motor 1 and electronic terminal product mainboard can be connected completely on the one hand, the net wire 21 on the flexible circuit board 2 has wrapped up the signal line on the one hand to reach the effect of shielding interference signal completely, the influence of electromagnetic interference that can greatly reduced flat motor 1 to whole functional performance.
In an embodiment of the present application, the conductive metal plate 11 is fixed to the metal shell of the flat motor 1 at one end, and is connected to the main board of the electronic terminal product at the other end. The conductive metal plate 11 serves as a wire grounding terminal of the flat motor 1, and connects the flat motor 1 with the wire grounding terminal 3 of the main board of the electronic terminal product. Need not artifical auxiliary material in this application, the installation can be led after the sheetmetal 11 of electricity is connected with the electric wire earthing terminal 3 of electron terminal product mainboard directly on flat motor 1, need not the manual work and pastes the auxiliary material, has saved material cost and cost of labor.
In one embodiment of the present application, the conductive metal sheet 11 is elastic. The conductive metal plate 11 has elasticity, and can ensure that the electric wire grounding terminal of the flat motor 1 is fully connected with the electric wire grounding terminal 3 of the mainboard of the electronic terminal product.
In an embodiment of the present application, the conductive metal sheet 11 is made of copper alloy. The copper alloy has a small resistivity and a high plasticity, and is highly conductive and capable of changing the shape of the metal piece in accordance with the shape of the flat motor 1.
In some embodiments of the present application, one end of the conductive metal plate 11 is fixed to or integrally formed with the metal housing of the flat motor 1 by welding. In one embodiment shown in fig. 1, the electrically conductive metal sheet 11 is welded to one side of the metal casing of the flat motor 1.
In some embodiments of the present application, the grid wires 21 are made of aluminum or copper. Aluminum and copper are conductive materials commonly used as wire and cable.
In an embodiment of the present application, the grid wires 21 are made of copper. The copper core wire has lower loss relative to the aluminum core wire, better ductility and convenient processing and installation.
In an embodiment of the present application, the flexible circuit board 2 is provided with a wire grounding terminal 3 pad 5, and the flexible circuit board 2 is connected with a main board of an electronic terminal product through the wire grounding terminal 3 pad 5. The pads 5 serve as bonding pads for the wires.
In one embodiment of the present application, the cross-section of the conductive metal sheet 11 is rectangular. Furthermore, the length of the electrically conductive metal sheet 11 is not greater than the diameter of the flat motor 1.
The above embodiments are merely provided to illustrate the technical solution of the present invention, but not to limit the present invention, and the present invention is described in detail with reference to the preferred embodiments. It should be understood by those skilled in the art that various modifications and equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the scope of the claims of the present invention should be covered thereby.
Claims (10)
1. A connecting structure for connecting a flat motor and a main board of an electronic terminal product, the connecting structure comprising a flexible circuit board, a conductive metal sheet and a mesh wire, a signal line of the flat motor being connected to a signal terminal on the main board via the flexible circuit board, the conductive metal sheet being provided on a metal housing of the flat motor as a wire grounding terminal of the flat motor; the grid lead is laid on the flexible circuit board, is used as the electric wire grounding end of the flexible circuit board and wraps the signal wire on the flexible circuit board; the flat motor is connected with the electric wire grounding end of the mainboard of the electronic terminal product through the conductive metal sheet, and the flexible circuit board is connected with the electric wire grounding end of the mainboard of the electronic terminal product through the grid lead.
2. The connecting structure according to claim 1, wherein the conductive metal plate has one end fixed to the metal case of the flat motor and the other end connected to a main board of the electronic terminal product.
3. The connecting structure according to claim 2, wherein the electrically conductive metal piece is provided with elasticity.
4. The connecting structure according to claim 3, wherein the conductive metal sheet is made of a copper alloy.
5. The connecting structure according to claim 1 or 2, wherein one end of the electrically conductive metal piece is fixed to or integrally formed with a metal case of the flat motor by welding.
6. The connection structure according to claim 1, wherein the grid wires are made of aluminum or copper.
7. The connection structure of claim 1, wherein the grid wires are made of copper.
8. The connection structure according to claim 1, wherein a wire grounding terminal pad is provided on the flexible circuit board, and the flexible circuit board is connected to a main board of the electronic terminal product via the wire grounding terminal pad.
9. The connection structure according to claim 1, wherein the cross-section of the conductive metal sheet is rectangular.
10. The connection structure according to claim 1, wherein the length of the electrically conductive metal piece is not more than the diameter of the flat motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020987292.3U CN212138001U (en) | 2020-06-02 | 2020-06-02 | Connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020987292.3U CN212138001U (en) | 2020-06-02 | 2020-06-02 | Connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212138001U true CN212138001U (en) | 2020-12-11 |
Family
ID=73670642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020987292.3U Active CN212138001U (en) | 2020-06-02 | 2020-06-02 | Connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212138001U (en) |
-
2020
- 2020-06-02 CN CN202020987292.3U patent/CN212138001U/en active Active
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