CN221043350U - Anti-fracture flexible circuit board - Google Patents
Anti-fracture flexible circuit board Download PDFInfo
- Publication number
- CN221043350U CN221043350U CN202323066802.6U CN202323066802U CN221043350U CN 221043350 U CN221043350 U CN 221043350U CN 202323066802 U CN202323066802 U CN 202323066802U CN 221043350 U CN221043350 U CN 221043350U
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- CN
- China
- Prior art keywords
- circuit board
- elastic layer
- layer
- reinforcing plate
- plate
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- 230000002968 anti-fracture Effects 0.000 title abstract description 4
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 44
- 229910052751 metal Inorganic materials 0.000 claims abstract description 33
- 239000002184 metal Substances 0.000 claims abstract description 33
- 239000000853 adhesive Substances 0.000 claims description 13
- 230000001070 adhesive effect Effects 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 13
- 239000003292 glue Substances 0.000 claims description 5
- 239000007770 graphite material Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000011889 copper foil Substances 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 description 23
- 230000005855 radiation Effects 0.000 description 5
- 230000008054 signal transmission Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Structure Of Printed Boards (AREA)
Abstract
The utility model discloses an anti-fracture flexible circuit board which comprises a circuit board body, a first plug connector, a second plug connector and a metal circuit layer, wherein the first plug connector is fixedly connected to one end of the circuit board body, a first reinforcing plate is fixedly arranged above the metal circuit layer, a second reinforcing plate is fixedly arranged at the bottom of the metal circuit layer, a first radiating plate is fixedly arranged at the top of the first elastic layer, and a second radiating plate is fixedly arranged at the bottom of the second elastic layer. According to the utility model, through the arrangement of the first reinforcing plate, the first elastic layer, the second reinforcing plate and the second elastic layer, the first reinforcing plate and the second reinforcing plate are fixedly arranged at the upper end and the lower end of the metal circuit layer, so that the toughness and the structural strength of the circuit board are effectively improved, the elastic effect of the first elastic layer and the second elastic layer can effectively eliminate the pressure of the circuit board in the use process, the circuit board is prevented from being broken to cause loss, and the breakage resistance of the circuit board is improved.
Description
Technical Field
The utility model relates to the technical field of flexible circuit boards, in particular to an anti-fracture flexible circuit board.
Background
The flexible circuit board is a flexible printed circuit board which is made of polyimide or polyester film as a base material, has the characteristics of high reliability, excellent electrical performance, high wiring density, light weight, thin thickness, good bending property and the like, can greatly reduce the volume and weight of electronic products, and is suitable for the requirements of the development of the electronic products in the high-density, miniaturized and high-reliability directions.
The flexible circuit board of current flexible circuit board often can present the state of fifty percent discount and winding when buckling, if repeat this state for a long time, then lead to the fact the injury to the circuit on the flexible circuit board easily, reduce the life-span of flexible circuit board, for example the flexible printed circuit board that application number CN201010564600.2 discloses, the circuit board in this patent does not set up reinforced structure, the circuit board is when receiving striking or external force and exert pressure most likely to lead to the fracture of flexible circuit board, thereby make dress flexible circuit board take place to damage, but multilayer structure's circuit board, its radiating effect can reduce, the temperature that leads to the circuit board is higher fragile, its life has been reduced.
Therefore, it is necessary to invent a flexible wiring board that is resistant to breakage to solve the above-described problems.
Disclosure of Invention
The utility model aims to provide a fracture-preventing flexible circuit board so as to solve the problems that fracture prevention and poor heat dissipation effect cannot be realized in use in the technology.
In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a flexible line way board of fracture prevention, includes circuit board body, a bayonet joint, no. two bayonet joints and metal line layer, the one end fixedly connected with of circuit board body is a bayonet joint, the other end fixedly connected with of circuit board body is No. two bayonet joints, the inside of circuit board body is provided with the metal line layer, the top fixed mounting of metal line layer has a gusset plate, the top fixed mounting of a gusset plate has an elastic layer, the bottom fixed mounting of metal line layer has No. two gusset plates, the below fixed mounting of No. two gusset plates has an elastic layer, the top fixed mounting of an elastic layer has a heating panel, the bottom fixed mounting of No. two elastic layers has a heating panel.
Preferably, the output end of the circuit board body is connected with the input end of the first plug connector, and the input end of the circuit board body is connected with the output end of the second plug connector, so that the first plug connector and the second plug connector are convenient for plug-in installation of the circuit board body.
Preferably, the first reinforcing plate and the second reinforcing plate are made of copper foil plates, and the first reinforcing plate and the second reinforcing plate are connected with the metal circuit layer in an adhesive mode through heat conducting glue materials, so that the structural strength and toughness of the circuit board body can be improved through the first reinforcing plate and the second reinforcing plate.
Preferably, the first elastic layer and the second elastic layer are made of flexible graphite materials, the first elastic layer is connected with the first reinforcing plate through the heat conducting adhesive material in an adhesive mode, the second elastic layer is connected with the second reinforcing plate through the heat conducting adhesive material in an adhesive mode, and therefore pressure applied to the circuit board in the using process can be effectively eliminated through the elastic effect of the first elastic layer and the second elastic layer.
Preferably, the first elastic layer and the second elastic layer are provided with heat dissipation holes, and the heat dissipation holes are formed in a plurality of mode, so that the heat dissipation holes are convenient for heat dissipation of the metal circuit layer.
Preferably, the first heat dissipation plate and the second heat dissipation plate are made of aluminum foil materials, the lower surface of the first heat dissipation plate is provided with a groove, and the upper surface of the second heat dissipation plate is provided with a groove, so that the heat dissipation effect of the first heat dissipation plate and the second heat dissipation plate can be improved.
Preferably, the heat conducting plates are fixedly arranged in the grooves, 2 heat conducting plates are arranged, one heat conducting plate is in contact with the first elastic layer, and the other heat conducting plate is in contact with the second heat radiating plate, so that the heat conducting plates can quickly absorb heat generated by the metal circuit layer.
Preferably, a shielding layer is fixedly arranged at the top of the first heat radiation plate, and a second shielding layer is fixedly arranged at the bottom of the second heat radiation plate, so that the first shielding layer and the second shielding layer can effectively protect a metal circuit layer, stability and reliability of signal transmission are ensured, and external electromagnetic interference and signal interference are avoided.
In the technical scheme, the utility model has the technical effects and advantages that:
1. Through the arrangement of the first reinforcing plate, the first elastic layer, the second reinforcing plate and the second elastic layer, the first reinforcing plate and the second reinforcing plate are fixedly arranged at the upper end and the lower end of the metal circuit layer, so that the toughness and the structural strength of the circuit board are effectively improved, the elastic action of the first elastic layer and the second elastic layer can effectively eliminate the pressure of the circuit board in the use process, the circuit board is prevented from being broken to cause loss, and the breakage resistance of the circuit board is improved;
2. Through the setting of heating panel and No. two heating panels, the inside heat-conducting plate that is provided with of heating panel and No. two heating panels, the heat that the metal line layer produced can be absorbed fast to carry out thermal giving off through heating panel and No. two heating panels, make heat dispersion fast, avoid the overheated problem of part, effectively improved flexible line way board radiating effect.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
fig. 2 is a schematic view of a cross-sectional perspective structure of a circuit board according to the present utility model;
FIG. 3 is an exploded perspective view of the metal circuit layer of the present utility model;
FIG. 4 is a schematic diagram showing a first elastic layer and heat dissipation holes in a three-dimensional structure according to the present utility model;
FIG. 5 is an exploded bottom perspective view of a first heat dissipating plate and a heat conducting plate according to the present utility model;
Fig. 6 is an enlarged perspective view of fig. 2 a according to the present utility model.
Reference numerals illustrate:
1. A circuit board body; 2. a first plug connector; 3. a second plug connector; 4. a metal circuit layer; 5. a first reinforcing plate; 6. a first elastic layer; 7. a heat radiation hole; 8. a second reinforcing plate; 9. a second elastic layer; 10. a first heat radiation plate; 11. a groove; 12. a heat conductive plate; 13. a second heat radiation plate; 14. a first shielding layer; 15. and a second shielding layer.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
The utility model provides a fracture-resistant flexible circuit board as shown in fig. 1-6, which comprises a circuit board body 1, wherein one end of the circuit board body 1 is fixedly connected with a first plug connector 2, the other end of the circuit board body 1 is fixedly connected with a second plug connector 3, the output end of the circuit board body 1 is connected with the input end of the first plug connector 2, the input end of the circuit board body 1 is connected with the output end of the second plug connector 3, a metal circuit layer 4 is arranged in the circuit board body 1, a first reinforcing plate 5 is fixedly arranged above the metal circuit layer 4, a first elastic layer 6 is fixedly arranged above the first reinforcing plate 5, a second reinforcing plate 8 is fixedly arranged at the bottom of the metal circuit layer 4, a second elastic layer 9 is fixedly arranged below the second reinforcing plate 8, a first 10 is fixedly arranged at the top of the first elastic layer 6, a second 13 is fixedly arranged at the bottom of the second elastic layer 9, a first shielding layer 14 is fixedly arranged at the top of the first 10, and a second shielding layer 15 is fixedly arranged at the bottom of the second 13.
The first reinforcing plate 5 and the second reinforcing plate 8 are made of copper foil plates, the first reinforcing plate 5 and the second reinforcing plate 8 are connected with the metal circuit layer 4 in an adhesive mode through heat conducting glue materials, the first elastic layer 6 and the second elastic layer 9 are made of flexible graphite materials, the first elastic layer 6 is connected with the first reinforcing plate 5 in an adhesive mode through heat conducting glue materials, the second elastic layer 9 is connected with the second reinforcing plate 8 in an adhesive mode through heat conducting glue materials, the first elastic layer 6 and the second elastic layer 9 are provided with heat dissipation holes 7, the heat dissipation holes 7 are provided with a plurality of heat dissipation plates 10 and the second heat dissipation plates 13 which are made of aluminum foil materials, the lower surface of the first heat dissipation plate 10 is provided with grooves 11, the upper surface of the second heat dissipation plates 13 is provided with grooves 11, heat conduction plates 12 are fixedly installed in the grooves 11, the heat conduction plates 12 are provided with 2, one heat conduction plate 12 is in contact with the first elastic layer 6, and the other heat conduction plates 12 are in contact with the second heat dissipation plates 13.
The reinforcing plate 5 and the reinforcing plate 8 of setting closely laminate the metal line layer 4, have high toughness and crooked, the foldability, structural strength and toughness on metal line layer 4 can be improved, the resistance to bending of circuit board body 1 has further been strengthened, and the elastic layer 6 and the elastic layer 9 of setting are because of having certain elasticity itself, can effectually eliminate the pressure that the circuit board received in the use through self elasticity effect, and the elastic layer 6 and the elastic layer 9 of flexible graphite material made both have toughness and can bend, still the radiating hole 7 of accessible setting carries out the giving off of metal line layer 4 heat, and the heat that the heat conducting plate 12 of setting can absorb the metal line layer 4 fast and produce, rethread heating panel 10 carries out thermal heat dissipation with No. two heating panels 13, can effectively improve the radiating effect on metal line layer 4 from this.
The working principle of the utility model is as follows:
Referring to the attached drawings 1-4 of the specification, when the device is used, the first plug connector 2 and the second plug connector 3 of the circuit board body 1 are plugged at the proper positions, when the circuit board body 1 is used, the toughness and the structural strength of the circuit board are effectively improved through the first reinforcing plate 5 and the second reinforcing plate 8, the pressure born by the circuit board body 1 in the using process can be effectively eliminated through the elastic action of the first elastic layer 6 and the second elastic layer 9, the loss caused by breakage of the circuit board body 1 is avoided, the breakage resistance of the circuit board body 1 is improved, the metal circuit layer 4 can be effectively protected through the first shielding layer 14 and the second shielding layer 15, the stability and the reliability of signal transmission are ensured, and the external electromagnetic interference and the signal interference are avoided;
Referring to fig. 5-6 of the specification, when the device is used, then, when the circuit board body 1 is in use, the internal metal circuit layer 4 generates heat, the heat in the metal circuit layer 4 can be quickly conducted to the first heat dissipation plate 10 and the second heat dissipation plate 13 through the heat conduction plate 12 and emitted, and the circuit board body 1 can not be overheated after long-time use in this way, so that the stability and the service life of the circuit board body 1 are ensured, and the connection and the signal transmission of the circuit board body 1 can be realized to keep the efficient operation of the circuit board body 1.
Claims (8)
1. The utility model provides a flexible line way board of fracture prevention, includes circuit board body (1), plug (2), plug (3) and metal line layer (4) No. two, its characterized in that: the circuit board comprises a circuit board body (1), and is characterized in that one end of the circuit board body (1) is fixedly connected with a first plug connector (2), the other end of the circuit board body (1) is fixedly connected with a second plug connector (3), a metal circuit layer (4) is arranged in the circuit board body (1), a first reinforcing plate (5) is fixedly arranged above the metal circuit layer (4), an elastic layer (6) is fixedly arranged above the first reinforcing plate (5), a second reinforcing plate (8) is fixedly arranged at the bottom of the metal circuit layer (4), a second elastic layer (9) is fixedly arranged below the second reinforcing plate (8), a first radiating plate (10) is fixedly arranged at the top of the first elastic layer (6), and a second radiating plate (13) is fixedly arranged at the bottom of the second elastic layer (9).
2. The fracture-resistant flexible circuit board of claim 1, wherein: the output end of the circuit board body (1) is connected with the input end of the first plug connector (2), and the input end of the circuit board body (1) is connected with the output end of the second plug connector (3).
3. The fracture-resistant flexible circuit board of claim 1, wherein: the first reinforcing plate (5) and the second reinforcing plate (8) are made of copper foil plates, and the first reinforcing plate (5) and the second reinforcing plate (8) are connected with the metal circuit layer (4) through heat conducting glue materials in an adhesive mode.
4. The fracture-resistant flexible circuit board of claim 1, wherein: the first elastic layer (6) and the second elastic layer (9) are made of flexible graphite materials, the first elastic layer (6) is connected with the first reinforcing plate (5) through a heat conducting adhesive material in an adhesive mode, and the second elastic layer (9) is connected with the second reinforcing plate (8) through a heat conducting adhesive material in an adhesive mode.
5. The fracture-resistant flexible circuit board of claim 4, wherein: and the first elastic layer (6) and the second elastic layer (9) are provided with radiating holes (7), and the radiating holes (7) are provided with a plurality of radiating holes.
6. The fracture-resistant flexible circuit board of claim 5, wherein: the first radiating plate (10) and the second radiating plate (13) are made of aluminum foil materials, a groove (11) is formed in the lower surface of the first radiating plate (10), and a groove (11) is formed in the upper surface of the second radiating plate (13).
7. The fracture-resistant flexible circuit board of claim 6, wherein: the inside fixed mounting of recess (11) has heat-conducting plate (12), heat-conducting plate (12) are provided with 2, and one heat-conducting plate (12) is contacted with first elastic layer (6), and another heat-conducting plate (12) is contacted with No. two heating panels (13).
8. The fracture-resistant flexible circuit board of claim 6, wherein: the top of heating panel (10) No. one is fixed mounting has shielding layer (14) No. one, the bottom of heating panel (13) No. two is fixed mounting has shielding layer (15) No. two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323066802.6U CN221043350U (en) | 2023-11-14 | 2023-11-14 | Anti-fracture flexible circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323066802.6U CN221043350U (en) | 2023-11-14 | 2023-11-14 | Anti-fracture flexible circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221043350U true CN221043350U (en) | 2024-05-28 |
Family
ID=91181937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323066802.6U Active CN221043350U (en) | 2023-11-14 | 2023-11-14 | Anti-fracture flexible circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221043350U (en) |
-
2023
- 2023-11-14 CN CN202323066802.6U patent/CN221043350U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |