CN209806227U

CN209806227U - Electronic circuit board

Info

Publication number: CN209806227U
Application number: CN201920120539.9U
Authority: CN
Inventors: 黄书成
Original assignee: Shenzhen Jizhi Electronics Co Ltd
Current assignee: Shenzhen Jizhi Electronics Co Ltd
Priority date: 2019-01-22
Filing date: 2019-01-22
Publication date: 2019-12-17
Anticipated expiration: 2029-01-22

Abstract

The utility model discloses an electronic circuit board, including circuit board main part, protection base and visor, the protection groove has been seted up to the inner chamber of protection base to the bottom of circuit board main part is connected with the internal surface fixed connection of protection groove, the bottom of visor and the top fixed connection of protection base, and the inner chamber from the top down of protection groove is fixedly connected with baffle respectively and the layer that absorbs water, and the air vent has been seted up to the inner chamber of baffle, and the heat dissipation chamber has been seted up to the bottom on the layer that absorbs water, and the internal surface fixed connection in heat dissipation chamber has the heat dissipation copper pipe, the utility model relates to a circuit board technical. This electronic circuit board adsorbs the back through the vapor that absorbs water the layer will permeate, carries through the delivery port and adsorbs moisture by the inflation strip in straining the sump, and when moisture adsorbs too much, the inflation strip inflation will change the board and back open and discharge steam, can effectually protect the circuit board main part, has increased the life of circuit board main part under humid environment, has increased the practicality of circuit board main part.

Description

Electronic circuit board

Technical Field

The utility model relates to a circuit board technical field specifically is an electronic circuit board.

Background

The circuit board has the name: the circuit board makes the circuit miniaturized and visualized, plays an important role in batch production of fixed circuits and optimization of electric appliance layout, and can be called a printed circuit board or a printed circuit board, an FPC (flexible printed circuit) board and a rigid-flexible printed circuit board, and the production and development of the FPC and the PCB urge a new product of the rigid-flexible printed circuit board.

The circuit board is used in various electronic components because of the universality of the use of the circuit board, the existing circuit board is often damaged because of excessive water vapor when the circuit board works in a humid environment, and if the circuit board is placed in a completely sealed environment only in consideration of water prevention, the working efficiency of the circuit board is reduced or even damaged because the circuit board works continuously after the circuit board is used for a long time.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an electronic circuit board has solved the current circuit board of during operation in humid environment, often can lead to the problem of circuit board damage because steam is too much.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an electronic circuit board, includes circuit board main part, protection base and visor, the protection groove has been seted up to the inner chamber of protection base to the bottom of circuit board main part is connected with the internal surface fixed connection of protection groove, the bottom of visor and the top fixed connection of protection base, the inner chamber from the top down respectively fixedly connected with baffle and the layer that absorbs water of protection groove, the air vent has been seted up to the inner chamber of baffle, the heat dissipation chamber has been seted up to the bottom on the layer that absorbs water to the internal surface fixed connection in heat dissipation chamber has heat dissipation copper pipe, the one end of heat dissipation copper pipe runs through the inner chamber of protection base and extends to the outside of protection base.

Preferably, the water filtering bin is arranged on one side of the inner cavity of the protection base, the inner cavity of the water filtering bin is fixedly connected with a fixing block and a fixing plate respectively, the inner cavity of the fixing block is fixedly connected with an expansion strip, and one side of the water filtering bin is communicated with one side of the water absorbing layer through a water outlet.

Preferably, the inner cavity of the water filtering bin is rotatably connected with a rotating plate, the bottom of the fixing plate is fixedly connected with a return spring, and the bottom end of the return spring is fixedly connected with the top of the rotating plate.

Preferably, one side of the circuit board main body is fixedly connected with a flat cable, and one end of the flat cable, which is far away from the circuit board main body, penetrates through the inner cavity of the protection base and extends to the outside of the protection base.

Preferably, the surface of the flat cable in the inner cavity of the protective base is fixedly connected with a protective sleeve.

preferably, the circuit board main body comprises a substrate layer, a conductive layer and a protective layer, wherein the top of the substrate layer is glued with the bottom of the conductive layer, and the top of the conductive layer is glued with the bottom of the protective layer.

Preferably, the base material layer adopts flame-retardant copper-clad phenolic aldehyde as a raw material, the conductive layer adopts Cu-Zr alloy as a raw material, and the protective layer adopts silica gel as a raw material.

Advantageous effects

The utility model provides an electronic circuit board. Compared with the prior art, the method has the following beneficial effects:

(1) This electronic circuit board, the protection groove has been seted up through the inner chamber at the protection base, and the bottom of circuit board main part is connected with the internal surface fixed connection of protection groove, the bottom of visor and the top fixed connection of protection base, the inner chamber from the top down difference fixedly connected with baffle of protection groove and the layer that absorbs water, the air vent has been seted up to the inner chamber of baffle, absorb the back through the layer that absorbs water with the vapor of infiltration, carry in straining the sump by inflation strip adsorption of moisture through the delivery port, when moisture adsorbs when too much, inflation strip inflation will change the board and push away water vapor discharge, can effectually protect the circuit board main part, the life of circuit board main part under humid environment has been increased, the practicality of circuit board main part has been increased.

(2) this electronic circuit board has seted up the heat dissipation chamber through the bottom on the layer that absorbs water to the internal surface fixed connection in heat dissipation chamber has the heat dissipation copper pipe, and the one end of heat dissipation copper pipe runs through the inner chamber of protection base and extends to the outside of protection base, and through the heat dissipation copper pipe of heat dissipation intracavity, outside carrying the protection base with the heat that circuit board main part during operation produced, increased the adaptability of circuit board main part under the environment of difference, increased the practicality of circuit board main part.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

Fig. 3 is a cross-sectional view of the circuit board main structure of the present invention.

In the figure: 1-circuit board main body, 2-protective base, 3-protective cover, 4-protective groove, 5-clapboard, 6-water absorbing layer, 7-vent hole, 8-heat dissipation cavity, 9-heat dissipation copper pipe, 10-water filtering bin, 11-fixing block, 12-fixing plate, 13-expansion strip, 14-water outlet, 15-rotating plate, 16-reset spring, 17-flat cable, 18-protective cover, 111-substrate layer, 112-conductive layer, 113-protective layer.

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.

Referring to fig. 1-3, the present invention provides a technical solution: an electronic circuit board comprises a circuit board main body 1, a protective base 2 and a protective cover 3, wherein the circuit board main body 1 comprises a substrate layer 111, a conductive layer 112 and a protective layer 113, the substrate layer 111 adopts flame-retardant copper clad phenolic aldehyde as a raw material, the conductive layer 112 adopts Cu-Zr alloy as a raw material, the Cu-Zr alloy enables the work to be quicker, the protective layer 113 adopts silica gel as a raw material, the silica gel also takes heat dissipation into consideration when protecting the circuit board main body 1, the top of the substrate layer 111 is glued with the bottom of the conductive layer 112, the top of the conductive layer 112 is glued with the bottom of the protective layer 113, one side of the circuit board main body 1 is fixedly connected with a flat cable 17, the surface of the flat cable 17 positioned in the inner cavity of the protective base 2 is fixedly connected with a protective sleeve 18, the protective sleeve 18 prevents dust and rainwater from entering, one end, far, one side of the inner cavity of the protection base 2 is provided with a water filtering bin 10, the inner cavity of the water filtering bin 10 is rotatably connected with a rotating plate 15, the bottom of a fixing plate 12 is fixedly connected with a return spring 16, the bottom end of the return spring 16 is fixedly connected with the top of the rotating plate 15, the inner cavity of the water filtering bin 10 is respectively fixedly connected with a fixing block 11 and the fixing plate 12, the inner cavity of the fixing block 11 is fixedly connected with an expansion strip 13, the expansion strip 13 is made of water-swelling rubber, one side of the water filtering bin 10 is communicated with one side of a water absorbing layer 6 through a water outlet 14, after the permeated water vapor is absorbed through the water absorbing layer 6, the water vapor is conveyed into the water filtering bin 10 through the water outlet 14 and is absorbed by the expansion strip 13, when the water is absorbed too much, the expansion strip 13 expands to push the rotating plate 15 open to discharge the water vapor, the circuit board main body 1 can, the practicability of the circuit board main body 1 is increased, the inner cavity of the protection base 2 is provided with the protection groove 4, the bottom of the circuit board main body 1 is fixedly connected with the inner surface of the protection groove 4, the bottom of the protective cover 3 is fixedly connected with the top of the protection base 2, the inner cavity of the protection groove 4 is respectively and fixedly connected with the partition plate 5 and the water absorption layer 6 from top to bottom, the inner cavity of the partition plate 5 is provided with the vent hole 7, the bottom of the water absorption layer 6 is provided with the heat dissipation cavity 8, and the inner surface of the heat dissipation cavity 8 is fixedly connected with a heat dissipation copper pipe 9, one end of the heat dissipation copper pipe 9 penetrates through the inner cavity of the protection base 2 and extends to the outside of the protection base 2, through the heat dissipation copper pipe 9 in the heat dissipation chamber 8, carry the protection base 2 outside with the heat that circuit board main part 1 during operation produced, increased circuit board main part 1 adaptability under the environment of difference, increased circuit board main part 1's practicality.

When water vapor seeps into the water filtering bin 10 through the water absorbing layer 6 and flows into the water filtering bin 10 along the water outlet 14, the expansion strip 13 expands when meeting water to push the rotating plate 15 open for water drainage, after the water drainage is finished, the expansion strip 13 contracts, and the return spring 16 contracts to drive the rotating plate 15 to retract so as to seal the water filtering bin 10.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electronic circuit board, includes circuit board main part (1), protection base (2) and visor (3), protection groove (4) have been seted up to the inner chamber of protection base (2) to the bottom of circuit board main part (1) is connected with the internal surface fixed connection in protection groove (4), the bottom of visor (3) and the top fixed connection of protection base (2), its characterized in that: inner chamber from the top down of protection groove (4) is fixedly connected with baffle (5) and layer (6) absorb water respectively, air vent (7) have been seted up to the inner chamber of baffle (5), heat dissipation chamber (8) have been seted up to the bottom on layer (6) that absorbs water to the internal surface fixed connection in heat dissipation chamber (8) has heat dissipation copper pipe (9), the one end of heat dissipation copper pipe (9) runs through the inner chamber of protection base (2) and extends to the outside of protection base (2).

2. an electronic circuit board according to claim 1, wherein: filter water storehouse (10) have been seted up to one side of protection base (2) inner chamber to the inner chamber difference fixedly connected with fixed block (11) and fixed plate (12) of filter water storehouse (10), the inner chamber fixedly connected with inflation strip (13) of fixed block (11), one side of filter water storehouse (10) is through delivery port (14) and the one side intercommunication that absorbs water layer (6).

3. An electronic circuit board according to claim 2, wherein: the inner cavity of the water filtering bin (10) is rotatably connected with a rotating plate (15), the bottom of the fixing plate (12) is fixedly connected with a return spring (16), and the bottom end of the return spring (16) is fixedly connected with the top of the rotating plate (15).

4. An electronic circuit board according to claim 1, wherein: one side fixedly connected with winding displacement (17) of circuit board main part (1), the one end that circuit board main part (1) was kept away from in winding displacement (17) runs through the inner chamber of protection base (2) and extends to the outside of protection base (2).

5. An electronic circuit board according to claim 4, wherein: the surface of the flat cable (17) in the inner cavity of the protective base (2) is fixedly connected with a protective sleeve (18).

6. An electronic circuit board according to claim 1, wherein: the circuit board main body (1) comprises a base material layer (111), a conducting layer (112) and a protective layer (113), wherein the top of the base material layer (111) is glued with the bottom of the conducting layer (112), and the top of the conducting layer (112) is glued with the bottom of the protective layer (113).

7. An electronic circuit board according to claim 6, wherein: the substrate layer (111) is made of flame-retardant copper foil-coated phenolic aldehyde, the conductive layer (112) is made of Cu-Zr alloy, and the protective layer (113) is made of silica gel.