CN217509105U

CN217509105U - Double-deck circuit board of preapring for an unfavorable turn of events shape

Info

Publication number: CN217509105U
Application number: CN202220857301.6U
Authority: CN
Inventors: 张涛
Original assignee: Digital Printed Circuit Board Co Ltd
Current assignee: Digital Printed Circuit Board Co Ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-09-27
Anticipated expiration: 2032-04-13

Abstract

The utility model provides a pair of double-deck circuit board of preapring for an unfavorable turn of events shape, include upper plate, lower plywood, be located the upper plate with PP intermediate layer between the plywood down, the upper plate upper end is equipped with first circuit layer, lower plywood lower extreme is equipped with second circuit layer, first circuit layer with be connected with the electrically conductive hole between the second circuit layer, the PP intermediate layer outside is still overlapped and is equipped with a frame, the frame is fixed the upper plate with between the plywood of lower floor, PP intermediate layer inboard still is equipped with insulating heat-conducting plate, insulating heat-conducting plate's edge with the interior wall connection of frame, both ends are equipped with anti-interference shield board, glass fiber gusset plate respectively about the insulating heat-conducting plate. The utility model discloses a double-deck circuit board has increased a frame between upper plate and lower floor's board, can prevent that double-deck circuit board warp.

Description

Double-deck circuit board of preapring for an unfavorable turn of events shape

Technical Field

The utility model relates to a circuit board technical field, concretely relates to double-deck circuit board of preapring for an unfavorable turn of events shape.

Background

Circuit boards are providers of electrical connections for electronic components, and a major advantage of circuit boards is that wiring and assembly errors are greatly reduced. The circuit board in the prior art generally has poor structural stability and is easy to deform after being used for a long time, and the problem needs to be solved urgently.

SUMMERY OF THE UTILITY MODEL

To above problem, the utility model provides a double-deck circuit board of preapring for an unfavorable turn of events shape has increased a frame between upper plate and lower floor's board, can prevent that double-deck circuit board warp.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a double-deck circuit board of preapring for an unfavorable turn of events shape, includes upper plate, lower plywood, is located the upper plate with PP intermediate layer between the plywood down, the upper plate upper end is equipped with first circuit layer, lower plywood lower extreme is equipped with second circuit layer, first circuit layer with be connected with electrically conductive hole between the second circuit layer, PP intermediate layer outside still overlaps and is equipped with a frame, the frame is fixed the upper plate with between the plywood of lower floor, PP intermediate layer inboard still is equipped with insulating heat-conducting plate, insulating heat-conducting plate's edge with the interior wall connection of frame, both ends are equipped with anti-interference shield board, glass fiber gusset plate respectively about the insulating heat-conducting plate.

Specifically, the outer side face of the outer frame is covered with a layer of anti-collision cushion block.

Specifically, the outer frame is provided with air holes which are communicated with the inside and the outside.

Specifically, a plurality of grooves are formed in the lower end of the upper plate and the upper end of the lower plate.

Specifically, the upper end of the first circuit layer and the lower end of the second circuit layer are both covered with waterproof membrane layers.

The beneficial effects of the utility model are that:

1. the circuit board of the utility model is also provided with an outer frame outside the PP interlayer, and the outer frame is fixed between the upper layer board and the lower layer board, thus solving the problem that the traditional circuit board is easy to deform in the use process;

2. the inner side of the PP interlayer is also provided with the insulated heat conducting plate, so that heat inside the circuit board can be quickly conducted to the outer frame and then transmitted to the outside through the outer frame, and the heat dissipation performance of the double-layer circuit board is improved;

3. the upper end and the lower end of the insulated heat conducting plate are respectively provided with the anti-interference shielding plate and the glass fiber reinforcing plate, so that the anti-electromagnetic interference capability and the overall hardness of the multilayer circuit board are improved.

Drawings

Fig. 1 is a schematic structural view of the deformation-preventing double-layer circuit board of the present invention.

The reference signs are: the anti-interference heat-conducting plate comprises an upper plate 1, a lower plate 2, a PP interlayer 3, a first circuit layer 4, a second circuit layer 5, a conducting hole 6, an outer frame 7, an insulating heat-conducting plate 8, an anti-interference shielding plate 9, a glass fiber reinforcing plate 10, an anti-collision cushion block 11, air holes 12, a groove 13 and a waterproof film layer 14.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.

As shown in fig. 1:

the utility model provides a double-deck circuit board of preapring for an unfavorable turn of events shape, including upper plate 1, lower floor's board 2, be located PP intermediate layer 3 between upper plate 1 and lower floor's

board

2, 1 upper end of upper plate is equipped with

first circuit layer

4, 2 lower extremes of lower floor's board are equipped with second circuit layer 5, be connected with electrically conductive hole 6 between first circuit layer 4 and the second circuit layer 5, 3 outside covers still of PP intermediate layer is equipped with a frame 7, frame 7 is fixed between upper plate 1 and lower floor's

board

2, 3 inboards of PP intermediate layer still are equipped with insulating heat-conducting plate 8, the edge of insulating heat-conducting plate 8 and the interior wall connection of frame 7, both ends are equipped with anti-interference shield plate 9 respectively about the insulating heat-conducting plate 8, glass fiber gusset plate 10, the anti-electromagnetic interference ability and the whole hardness of multilayer circuit board have been promoted.

Preferably, the outer side surface of the outer frame 7 is covered with a layer of cushion blocks 11, and the cushion blocks 11 are made of elastic materials, so that the anti-collision capacity of the double-layer circuit board is improved.

Preferably, in order to improve the heat dissipation efficiency of the double-layer circuit board, the outer frame 7 is provided with air holes 12 penetrating inside and outside.

Preferably, a plurality of grooves 13 are formed in the lower end of the upper plate 1 and the upper end of the lower plate 2.

Preferably, the upper end of the first circuit layer 4 and the lower end of the second circuit layer 5 are both covered with waterproof film layers 14, so that the upper end and the lower end of the double-layer circuit board have good waterproof performance.

The above examples only represent 1 embodiment of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a double-deck circuit board of preapring for an unfavorable turn of events shape, includes upper plate (1), lower floor plate (2), is located upper plate (1) with PP intermediate layer (3) between lower floor plate (2), upper plate (1) upper end is equipped with first circuit layer (4), lower floor plate (2) lower extreme is equipped with second circuit layer (5), first circuit layer (4) with be connected with electrically conductive hole (6) between second circuit layer (5), a serial communication port, PP intermediate layer (3) outside still overlaps and is equipped with one frame (7), frame (7) are fixed upper plate (1) with between lower floor plate (2), PP intermediate layer (3) inboard still is equipped with insulating heat-conducting plate (8), the edge of insulating heat-conducting plate (8) with the interior wall connection of frame (7), both ends are equipped with anti-jamming shield board (9) respectively about insulating heat-conducting plate (8), A glass fiber reinforced panel (10).

2. The double-layer circuit board for preventing deformation according to claim 1, wherein the outer side surface of the outer frame (7) is covered with a layer of crash pad (11).

3. The deformation-preventing double-layer circuit board according to claim 1, wherein the outer frame (7) is provided with air holes (12) penetrating inside and outside.

4. The deformation-preventing double-layer circuit board according to claim 1, wherein a plurality of grooves (13) are formed at both the lower end of the upper plate (1) and the upper end of the lower plate (2).

5. The deformation-preventing double-layer circuit board according to claim 1, wherein the upper end of the first circuit layer (4) and the lower end of the second circuit layer (5) are covered with waterproof film layers (14).