CN211429625U - Damping device based on flexible circuit board and circuit board - Google Patents
Damping device based on flexible circuit board and circuit board Download PDFInfo
- Publication number
- CN211429625U CN211429625U CN202020132820.7U CN202020132820U CN211429625U CN 211429625 U CN211429625 U CN 211429625U CN 202020132820 U CN202020132820 U CN 202020132820U CN 211429625 U CN211429625 U CN 211429625U
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- circuit board
- flexible circuit
- damping device
- utility
- cantilever
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- Vibration Prevention Devices (AREA)
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Abstract
The utility model discloses a damping device based on flexible circuit board, including flexible circuit board, flexible circuit board's week side is provided with many cantilevers in order to make somebody a mere figurehead flexible circuit board. The utility model also discloses a circuit board, including main circuit board, still include as above damping device based on flexible circuit board, many cantilevers of flexible circuit board week side install in order to make the flexible circuit board makehold on main circuit board. The utility model discloses a damping device and circuit board all have simple structure, the shock attenuation is effectual, do not influence advantages such as heat dissipation.
Description
Technical Field
The utility model relates to a mainly relate to circuit board technical field, refer in particular to a damping device and circuit board based on flexible circuit board.
Background
Excessive vibration often damages a circuit board, particularly important small components on the circuit board, such as a crystal oscillator and the like, and is sensitive to the vibration, so that the accuracy performance of the circuit board is reduced and even damaged due to the excessive vibration, and the normal operation of the whole system is affected. The effect of the damping device of the circuit board determines the adaptability of the application environment of the system in which the circuit board is arranged to a certain extent.
In the conventional shockproof treatment of the circuit board, a method of arranging an air bag structure, an elastic buffer part and the like below the circuit board and additionally arranging a shockproof device on the whole circuit board is generally adopted, and the method can cause great waste to the space of the circuit board, has a complex structure, is not beneficial to the installation and the disassembly of the circuit board and influences the heat dissipation of the circuit board.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in: to the technical problem that prior art exists, the utility model provides a simple structure, shock attenuation are effectual, do not influence radiating damping device and circuit board based on flexible circuit board.
In order to solve the technical problem, the utility model provides a technical scheme does:
the utility model provides a damping device based on flexible circuit board, includes the flexible circuit board, the week side of flexible circuit board is provided with many cantilevers in order to make somebody a mere figurehead the flexible circuit board.
As a further improvement of the above technical solution:
the cantilever is S-shaped; the number of the cantilevers is 3-8, and the cantilevers are evenly distributed on the periphery of the flexible circuit board.
The utility model also discloses a circuit board, including main circuit board, still include as above damping device based on flexible circuit board, many cantilevers of flexible circuit board week side install in order to make the flexible circuit board makehold on main circuit board.
Preferably, one end of each cantilever is attached to the main circuit board.
A damping rubber layer is arranged on the binding surface of one end of each cantilever and the main circuit board; and the main circuit board is provided with a damping block at the end part of each cantilever.
Compared with the prior art, the utility model has the advantages of:
the damping device based on the flexible circuit board of the utility model realizes the damping of the vibration sensitive element through the combination of the flexible circuit board and the cantilever, and has good damping effect; the whole structure is simple and reliable, and the occupied space is small; the cantilever can not only realize the damping effect, but also can make the flexible circuit board overhead through the cantilever, and the heat dissipation of the main circuit board is not influenced.
The utility model discloses a circuit board not only has damping device as above advantage, the one end of each cantilever and the binding face of main circuit board go up a small amount of yielding rubber of coating in order to form the yielding rubber layer moreover, can reach increase rigidity, adjust damped effect.
Drawings
Fig. 1 is a perspective view of the embodiment of the present invention.
Fig. 2 is a top view structural diagram of the embodiment of the present invention.
The reference numbers in the figures denote: 1. a flexible circuit board; 101. a cantilever; 2. a component; 3. a damper block; 4. the main circuit board.
Detailed Description
The invention is further described with reference to the drawings and the specific embodiments.
As shown in fig. 1 and fig. 2, the damping device based on the flexible circuit board of the present embodiment is suitable for a small electronic component 2 susceptible to vibration on a circuit board, and the specific structure includes a flexible circuit board 1, wherein the small electronic component 2 susceptible to vibration (referred to as a vibration sensitive element for short) is welded on the flexible circuit board 1, and a plurality of cantilevers 101 are disposed on the periphery of the flexible circuit board 1 to make the flexible circuit board 1 be overhead on a main circuit board 4. Through the combination of the flexible circuit board 1 and the cantilever 101, the shock absorption of the shock sensitive element is realized, and the shock absorption effect is good; the whole structure is simple and reliable, and the occupied space is small; the suspension arm 101 can not only realize the damping effect, but also make the flexible circuit board 1 overhead through the suspension arm 101, and the heat dissipation of the main circuit board 4 is not influenced.
In this embodiment, the cantilever 101 has an S-shape, an arc shape, a wave shape, or other shapes, which can further improve the damping effect; the number of the cantilevers 101 is 4, and the cantilevers are distributed on four sides of the rectangular flexible circuit board 1. Of course, the number of the cantilevers 101 may also be three, five or more, and the material of the cantilevers 101 may be a resin material or the like. Wherein the cantilever 101 may be integrated with the flexible circuit board 1 or separately configured.
As shown in fig. 1 and fig. 2, the utility model also discloses a circuit board, including main circuit board 4 and as above the damping device based on flexible circuit board, many cantilevers 101 of flexible circuit board 1 week side are installed on main circuit board 4 in order to make flexible circuit board 1 stand on main circuit board 4 by the sky. The utility model discloses a circuit board includes as above damping device, has damping device equally advantage, same simple structure, shock attenuation effect are obvious.
In this embodiment, one end of each cantilever 101 is attached to the main circuit board 4, wherein a small amount of cushion rubber is coated on the attachment surface of one end of each cantilever 101 and the main circuit board 4 to form a cushion rubber layer (not shown in the figure) to increase the rigidity and adjust the damping. In addition, the damper block 3 is provided on the main circuit board 4 at the end position of each suspension arm 101, and the vibration of the suspension arm 101 on the plane of the main circuit board 4 can be reduced as well.
When the main circuit board 4 is in a vibration environment, the flexible circuit board 1, the cantilever 101 and the damping block 3 act together to achieve a damping effect and the damping effect is good; the whole structure is simple, the occupied space is small, and the whole heat dissipation, the disassembly and the assembly of the main circuit board 4 and the like are not influenced.
Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, a plurality of modifications and decorations without departing from the principle of the present invention should be considered as the protection scope of the present invention.
Claims (7)
1. The damping device based on the flexible circuit board is characterized by comprising the flexible circuit board (1), wherein a plurality of cantilevers (101) are arranged on the peripheral side of the flexible circuit board (1) to make the flexible circuit board (1) overhead.
2. The flexible circuit board-based shock absorbing device according to claim 1, wherein the cantilever (101) has an S-shape.
3. The flexible circuit board-based damping device according to claim 1 or 2, wherein the number of the cantilevers (101) is 3-8, and the cantilevers are uniformly distributed on the peripheral side of the flexible circuit board (1).
4. A circuit board comprising a main circuit board (4), characterized by further comprising a flexible circuit board based damping device according to claim 1 or 2, wherein a plurality of cantilevers (101) on the peripheral side of the flexible circuit board (1) are mounted on the main circuit board (4) to suspend the flexible circuit board (1) from the main circuit board (4).
5. The circuit board according to claim 4, wherein one end of each cantilever (101) is attached to the main circuit board (4).
6. The circuit board according to claim 5, wherein a damping rubber layer is arranged on the abutting surface of one end of each cantilever (101) and the main circuit board (4).
7. A circuit board according to any one of claims 4-6, characterized in that the main circuit board (4) is provided with a damping mass (3) at the end position of each cantilever (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020132820.7U CN211429625U (en) | 2020-01-20 | 2020-01-20 | Damping device based on flexible circuit board and circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020132820.7U CN211429625U (en) | 2020-01-20 | 2020-01-20 | Damping device based on flexible circuit board and circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211429625U true CN211429625U (en) | 2020-09-04 |
Family
ID=72251738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020132820.7U Active CN211429625U (en) | 2020-01-20 | 2020-01-20 | Damping device based on flexible circuit board and circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211429625U (en) |
-
2020
- 2020-01-20 CN CN202020132820.7U patent/CN211429625U/en active Active
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