CN213342793U

CN213342793U - Flexible circuit board

Info

Publication number: CN213342793U
Application number: CN202021566126.2U
Authority: CN
Inventors: 薛晶晶
Original assignee: Zhongshan New Moral Electronics Co ltd
Current assignee: Zhongshan New Moral Electronics Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-06-01
Anticipated expiration: 2030-07-31

Abstract

The utility model belongs to the technical field of the circuit board, especially, a flexible circuit board, including fixed frame, fixedly connected with circuit board in the fixed frame, the surface of circuit board is provided with a plurality of circuit component, open two spouts in the fixed frame, two all sliding connection has the slider in the spout, two the opposite ends of slider fixedly connected with fixed plate, be provided with the heat-absorbing layer in the circuit board, the fixed surface of heat-absorbing layer is connected with the substrate layer, the surface of substrate layer is provided with the overburden; the utility model discloses, can make flexible circuit board's bearing capacity bigger through setting up the strengthening rib, intensity is higher, makes things convenient for the staff to use, and in the heat conduction pole can transmit the heat absorption layer with the heat that circuit component produced, the heat absorption layer siphoned away the heat that circuit component produced, played the effect of cooling for circuit component, prevented to lead to the flexible circuit board overheated because of the high temperature to lead to circuit component to harm.

Description

Flexible circuit board

Technical Field

The utility model belongs to the technical field of the circuit board, concretely relates to flexible circuit board.

Background

The flexible circuit board is a printed circuit made of flexible insulating base materials, has the advantages that many rigid printed circuit boards do not have, can greatly reduce the volume of electronic products by utilizing the flexible circuit board, and is suitable for the requirements of the electronic products on development towards high density, miniaturization and high reliability, so the flexible circuit board is widely applied to the fields or products of aerospace, military, mobile communication, portable computers, computer peripheral equipment, PAD, digital cameras and the like.

However, the existing flexible circuit board is in a high-temperature environment for a long time, the flexible circuit board is easily overheated, electronic components are easily damaged, the service life of the circuit board is shortened, and the existing flexible circuit board is easy to adsorb a large amount of dust in the long-time use process, so that the dust accumulation on the surface of the flexible circuit board is caused, and the working efficiency of the circuit board is influenced.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a flexible circuit board has that the radiating effect is good, convenient characteristics such as remove dust to the surface of circuit board.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a flexible circuit board, includes fixed frame, fixedly connected with circuit board in the fixed frame, the surface of circuit board is provided with a plurality of circuit element, two spouts, two have been seted up in the fixed frame equal sliding connection has the slider, two in the spout the looks remote site fixedly connected with fixed plate of slider, be provided with the heat-sink shell in the circuit board, the fixed surface of heat-sink shell is connected with the substrate layer, the surface of substrate layer is provided with the overburden, the fixed surface of overburden is connected with first copper foil board, the fixed surface of first copper foil board is connected with the bracing piece, the front end fixedly connected with second copper foil board of bracing piece, the surface of second copper foil board is provided with the protection film.

Preferably, the equal fixedly connected with mounting panel in both ends about fixed frame, two all seted up a plurality of mounting hole in the mounting panel.

Preferably, the rear end of the fixing plate is fixedly connected with a brush, and a plurality of heat dissipation holes are formed in the fixing frame.

Preferably, the rear end of the first copper foil plate is fixedly connected with a plurality of heat conducting rods, and the rear ends of the heat conducting rods penetrate through the covering layer and the base material layer and are fixedly connected in the heat absorbing layer.

Preferably, a plurality of reinforcing ribs are fixedly connected in the heat absorption layer, the base material layer and the covering layer.

Preferably, the material of the heat absorbing layer is an aluminum anodic oxidation coating, the material of the base material layer is an electronic grade glass fiber board, the material of the covering layer is a glass fiber layer, and the material of the protective film is a PET protective film.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses, can make flexible circuit board's bearing capacity bigger through setting up the strengthening rib, intensity is higher, make things convenient for the staff to use, the heat conduction pole can be with the heat transfer that circuit component produced to the endothermic layer in, the heat that the endothermic layer produced circuit component is siphoned away, play the effect of cooling for circuit component, prevent to lead to the flexible circuit board overheated because of the high temperature, thereby lead to the circuit component harm, circuit component's life has been guaranteed, through promoting the fixed plate, can make the fixed plate control under the gliding cooperation of slider in the spout, thereby it cleans circuit component to drive the brush, the convenience removes dust to circuit component, flexible circuit board's work efficiency has been improved, the utility model discloses novel structure, the staff of being convenient for operates, staff's intensity of labour has been reduced.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a front view of the present invention;

fig. 2 is a schematic side view of the cross-sectional structure of the present invention;

fig. 3 is a schematic cross-sectional structure diagram of the circuit board of the present invention;

fig. 4 is a schematic structural view of a fixing plate of the present invention;

in the figure: 1. a fixing frame; 2. a circuit board; 3. a circuit element; 4. mounting a plate; 5. mounting holes; 6. a chute; 7. a slider; 8. a fixing plate; 9. a brush; 10. a heat absorbing layer; 11. a substrate layer; 12. a cover layer; 13. a first copper foil plate; 14. a support bar; 15. a second copper foil plate; 16. a protective film; 17. reinforcing ribs; 18. a heat conducting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: a flexible circuit board comprises a fixed frame 1, a circuit board 2 is fixedly connected in the fixed frame 1, a plurality of circuit elements 3 are arranged on the surface of the circuit board 2, two sliding grooves 6 are formed in the fixed frame 1, sliding blocks 7 are respectively connected in the two sliding grooves 6 in a sliding manner, opposite ends of the two sliding blocks 7 are fixedly connected with a fixed plate 8, the fixed plate 8 can move left and right under the sliding fit of the sliding blocks 7 in the sliding grooves 6 by pushing the fixed plate 8, so that a brush 9 is driven to clean the circuit elements 3, the dust of the circuit elements 3 is conveniently removed, the working efficiency of the flexible circuit board is improved, a heat absorption layer 10 is arranged in the circuit board 2, a substrate layer 11 is fixedly connected on the surface of the heat absorption layer 10, a covering layer 12 is arranged on the surface of the substrate layer 11, a first copper foil plate 13 is, the surface fixed connection of first copper foil board 13 has bracing piece 14, the front end fixed connection of bracing piece 14 has second copper foil board 15, the surface of second copper foil board 15 is provided with protection film 16, and heat conduction pole 18 can be with the heat transfer that circuit component 3 produced to heat-sink shell 10 in, heat-sink shell 10 siphons away the heat that circuit component 3 produced, plays the effect of cooling for circuit component 3, prevents to lead to the flexible circuit board overheated because of the high temperature to lead to circuit component 3 to harm, guaranteed circuit component 3's life.

Specifically, the equal fixedly connected with mounting panel 4 in both ends about fixed frame 1, two a plurality of mounting hole 5 has all been seted up in the mounting panel 4.

Specifically, the rear end fixedly connected with brush 9 of fixed plate 8, seted up a plurality of louvre in the fixed frame 1.

Specifically, the rear end of the first copper foil plate 13 is fixedly connected with a plurality of heat conducting rods 18, and the rear ends of the heat conducting rods 18 penetrate through the covering layer 12 and the base material layer 11 and are fixedly connected in the heat absorbing layer 10.

Specifically, equal a plurality of strengthening rib 17 of fixedly connected with in heat-absorbing layer 10, substrate layer 11 and the overburden 12, strengthening rib 17 can make the bearing capacity of flexible circuit board bigger, and intensity is higher, makes things convenient for the staff to use.

Specifically, the heat absorbing layer 10 is an aluminum anodized coating, the base material layer 11 is an electronic grade glass fiber board, the cover layer 12 is a glass fiber layer, and the protective film 16 is a PET protective film 16.

The utility model discloses a theory of operation and use flow: the utility model discloses during the use, remove flexible circuit board to suitable position after, then with bolt threaded connection in mounting hole 5, thereby fix flexible circuit board, then use flexible circuit board, when circuit component 3 high temperature, the heat transmits to in the heat-sink shell 10 through heat-conducting rod 18, partial heat is absorbed by heat-sink shell 10, all the other heats are through the fixed frame 1 of louvre effluvium, thereby cool down circuit component 3, when circuit component 3's surface is covered with the dust, promote fixed plate 8, under slider 7 sliding fit in spout 6, make fixed plate 8 remove about removing, thereby it removes about driving brush 9, clean circuit component 3, clean the completion after, stop promoting fixed plate 8.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a flexible circuit board, includes fixed frame (1), its characterized in that: a circuit board (2) is fixedly connected in the fixed frame (1), a plurality of circuit elements (3) are arranged on the surface of the circuit board (2), two sliding chutes (6) are arranged in the fixed frame (1), sliding blocks (7) are connected in the two sliding chutes (6) in a sliding manner, opposite ends of the two sliding blocks (7) are fixedly connected with a fixed plate (8), a heat absorption layer (10) is arranged in the circuit board (2), a base material layer (11) is fixedly connected to the surface of the heat absorption layer (10), a covering layer (12) is arranged on the surface of the base material layer (11), a first copper foil plate (13) is fixedly connected to the surface of the covering layer (12), the surface of the first copper foil plate (13) is fixedly connected with a support rod (14), the front end fixedly connected with second copper foil board (15) of bracing piece (14), the surface of second copper foil board (15) is provided with protection film (16).

2. A flexible circuit board according to claim 1, wherein: the fixed frame (1) is fixed with mounting panel (4) at the left and right ends, two a plurality of mounting holes (5) have all been seted up in mounting panel (4).

3. A flexible circuit board according to claim 1, wherein: the rear end fixedly connected with brush (9) of fixed plate (8), seted up a plurality of louvre in fixed frame (1).

4. A flexible circuit board according to claim 1, wherein: the rear end of the first copper foil plate (13) is fixedly connected with a plurality of heat conducting rods (18), and the rear ends of the heat conducting rods (18) penetrate through the covering layer (12) and the base material layer (11) and are fixedly connected into the heat absorbing layer (10).

5. A flexible circuit board according to claim 1, wherein: a plurality of reinforcing ribs (17) are fixedly connected in the heat absorption layer (10), the base material layer (11) and the covering layer (12).

6. A flexible circuit board according to claim 1, wherein: the material of the heat absorption layer (10) is an aluminum anode oxidation coating, the material of the base material layer (11) is an electronic grade glass fiber board, the material of the covering layer (12) is a glass fiber layer, and the material of the protective film (16) is a PET protective film (16).