CN214177641U

CN214177641U - PCB with multi-layer board structure

Info

Publication number: CN214177641U
Application number: CN202120385512.XU
Authority: CN
Inventors: 王喜海
Original assignee: Weihai Tailida Electronic Co ltd
Current assignee: Weihai Tailida Electronic Co ltd
Priority date: 2021-02-22
Filing date: 2021-02-22
Publication date: 2021-09-10
Anticipated expiration: 2031-02-22

Abstract

The utility model belongs to the technical field of multilayer PCB board, and a multiply wood structure PCB board is disclosed, which comprises a circuit board, the equal fixed mounting in four corners of circuit board has the anticollision piece, the left and right sides face fixed mounting of circuit board has the fixed strip, fixed strip lateral surface fixed mounting has the side anticollision strip, the fixed laminating in bottom of circuit board has heat conduction silicon film, the below of heat conduction silicon film is provided with the heat conduction copper. The utility model discloses an install the anticollision piece additional at both ends around the PCB board, four anticollision piece laminating are in four edges of circuit board, make the circuit board when falling and striking corner or front and back both ends, corresponding damage can not take place for the position of falling, and the side anticollision strip of both sides has played corresponding guard action to the both sides of circuit board, and the structure that the fence formula of anticollision tooth distributes, can receive vibrations or when dropping, its inner wall with equipment takes place to rock the striking or directly the bottom surface that drops, easily produces deformation.

Description

PCB with multi-layer board structure

Technical Field

The utility model belongs to the technical field of the multilayer PCB board, specifically a multiply wood structure PCB board.

Background

The PCB, named as printed circuit board, is also called printed circuit board, is an important electronic component, is a support for electronic components, is a carrier for electrical interconnection of electronic components, is called a "printed" circuit board because it is manufactured by electronic printing, and is a multilayer wiring layer, a dielectric layer is between each two layers, the dielectric layer can be made very thin, the multilayer circuit board has at least three conductive layers, two of which are on the outer surface, and the remaining one is synthesized in an insulating board, and the electrical connection between them is usually realized by plated through holes on the cross section of the circuit board.

The inside use and the debugging stage of its of surface of current multilayer PCB board, its dismouting frequency is higher, frequent change has further improved the complexity of circuit board when using, the circuit board takes place to drop easily when changing, and the skin weld of circuit board has a large amount of electronic component, electronic component very easily takes place the striking and leads to damaging dropping, and current circuit board does not have the counter-measure of placing the striking damage that drops, and electronic component on the circuit board can produce a large amount of heats at the during operation, but current multilayer structure PCB board does not have corresponding supplementary radiating measure.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above problem, the utility model provides a multiply wood structure PCB board has the striking damage of preventing falling and supplementary radiating advantage.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multiply wood structure PCB board, includes the circuit board, the equal fixed mounting in four corners of circuit board has the anticollision piece, the left and right sides face fixed mounting of circuit board has the fixed strip, fixed strip lateral surface fixed mounting has the side anticollision strip, the fixed laminating in bottom of circuit board has the heat conduction silica gel piece, the below of heat conduction silica gel piece is provided with the heat conduction copper, the equal threaded mounting in four corners of circuit board has fastening screw, anticollision piece, fixed strip and heat conduction copper pass through fastening screw and circuit board fixed mounting, the bottom of heat conduction copper is provided with the heating panel, lateral surface, top and the bottom of side anticollision strip are provided with the anticollision tooth.

Preferably, the medial surface part of anticollision piece is the arc form, the medial surface of anticollision piece and the outer terminal surface and the laminating of cambered surface of circuit board, circular fixed through hole has been seted up to the top of anticollision piece in being provided with the interior plane of extending and this interior plane of extending, the whole rubber slab system that is of anticollision piece, both ends receive the formula of falling striking around for the circuit board of avoiding, need install the anticollision piece around it additional at both ends, and four corners of anticollision piece laminating at the circuit board make the circuit board when the striking that falls to corner or both ends around, corresponding damage can not take place in the position of falling.

Preferably, the medial surface of fixed strip is provided with four interior extension faces and all has seted up the circular through-hole that the size is the same, four interior extension faces of fixed strip and the upper and lower two-sided laminating of circuit board and with the circuit board centre gripping at the middle part, because the space on circuit board surface is extremely limited, a large amount of electronic component of its top needs to distribute, consequently can not occupy the surface space of too many circuit boards because the installation of fixed strip, consequently the extension face can effectively reduce the fixed strip to circuit board surface coverage area in the inboard setting of fixed strip.

Preferably, the heat dissipation plate is distributed in a fence shape on the bottom surface of the heat conduction copper plate, the heat conduction copper plate and the heat dissipation plate are in an integrated structure, the fence type distribution structure mainly aims to improve the heat dissipation area of the heat-conducting copper plate body, and when the circuit board is installed, even the space provided for installing the circuit board in the large-scale equipment is limited, therefore, the heat dissipation performance of the circuit is improved on the basis of not occupying the internal space of the equipment, namely, the volume of the heat dissipation module is required to be reduced, the fence type distribution of the heat dissipation plate can effectively improve the heat dissipation performance on the premise of ensuring that the occupied area is small, the heat generated by the circuit board in operation is conducted to the heat conduction copper plate and the heat dissipation plate along with the heat conduction silica gel sheet, the heat dissipation area of the heat conduction copper plate body is greatly increased due to the heat dissipation plate, so that the heat conduction copper plate can dissipate heat more quickly.

Preferably, the perpendicular cross-section of side anticollision strip is the U-shaped and with the fixed strip card in its inboard, the anticollision tooth is slope fence formula distribution at the surface of side anticollision strip, side anticollision strip and anticollision tooth formula shaping structure as an organic whole, the structure that the fence formula of anticollision tooth distributes can be when receiving vibrations or dropping, its inner wall with equipment takes place to rock the striking or directly drops the bottom surface, easily produces deformation, can not lead to it too hard and cause deformation to take place the difficulty, after its deformation alright offset impact energy with absorption partial impact force, reduce the vibration range, reduce the vibration injury that causes the circuit board body.

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

1. the utility model discloses an install anticollision piece additional at both ends around the PCB board, four anticollision piece laminating are in four edges of circuit board, make the circuit board when falling and striking corner or front and back both ends, corresponding damage can not take place for the position of falling, and the side anticollision strip of both sides has played corresponding guard action to the both sides of circuit board, and the structure that the fence formula of anticollision tooth distributes, can receive vibrations or when dropping, it takes place to rock the striking or directly the bottom surface that drops with the inner wall of equipment, easily produce deformation, absorb partial impact force and offset impact energy, reduce the vibration range, reduce the vibration harm that causes circuit board body and electronic component, the quality of circuit board has been improved.

2. The utility model discloses an adopt fence formula distribution structure with the heating panel, be the heat radiating area in order to improve the heat conduction copper body, heating panel fence formula distributes and can effectively improve its heat dispersion guaranteeing under the little prerequisite of area occupation, the heat that the circuit board produced at work can be along with on heat conduction silica gel sheet conducts heat conduction copper and heating panel, because the heat radiating area of heating panel has improved the heat conduction copper body greatly, make the heat conduction copper can be faster dispel the heat, circuit board and electronic component have further been protected, can effectively reduce its operating temperature, and the service life is prolonged.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic structural view of the anti-collision block of the present invention;

fig. 4 is a schematic structural view of the heat-conducting copper plate and the heat-dissipating plate of the present invention;

fig. 5 is the utility model discloses the side anticollision strip and the schematic structure of anticollision tooth.

In the figure: 1. a circuit board; 2. an anti-collision block; 3. a fixing strip; 4. side bumper strips; 5. fastening screws; 6. a heat conductive silicone sheet; 7. a heat-conducting copper plate; 8. a heat dissipation plate; 9. anticollision tooth.

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.

As shown in fig. 1 to 5, the utility model provides a multiply wood structure PCB board, including circuit board 1, the equal fixed mounting in four corners of circuit board 1 has anticollision piece 2, the left and right sides face fixed mounting of circuit board 1 has

fixed strip

3, 3 lateral surface fixed mounting of fixed strip has side anticollision strip 4, the fixed laminating in bottom of circuit board 1 has heat conduction silica gel piece 6, heat conduction silica gel piece 6's below is provided with heat conduction copper 7, fastening screw 5 is installed to the equal screw thread in four corners of circuit board 1, anticollision piece 2, fixed strip 3 and heat conduction copper 7 pass through fastening screw 5 and circuit board 1 fixed mounting, heat conduction copper 7's bottom is provided with heating panel 8, the lateral surface of side anticollision strip 4, top and bottom are provided with anticollision tooth 9.

Wherein, the medial surface part of anticollision piece 2 is the arc form, the medial surface of anticollision piece 2 and the outer terminal surface and the laminating of cambered surface of circuit board 1, the top of anticollision piece 2 is provided with interior extension face and this interior extension face has seted up circular fixed through hole, anticollision piece 2 wholly is the rubber slab system, both ends receive falling type striking around circuit board 1 for avoiding, need install anticollision piece 2 around it additional at both ends, four edges of anticollision piece 2 laminating at circuit board 1, make circuit board 1 when falling the striking to the corner or both ends around, the corresponding damage can not take place in the position of falling.

Wherein, the medial surface of fixed strip 3 is provided with four interior extension faces and all has seted up the circular through-hole that the size is the same, extension face and circuit board 1's upper and lower two-sided laminating and with circuit board 1 centre gripping in the middle part in four of fixed strip 3, because the space on circuit board 1 surface is extremely limited, a large amount of electronic component need distribute above that, consequently can not occupy too many circuit board 1's surface space because the installation of fixed strip 3, consequently, extension face can effectively reduce fixed strip 3 to circuit board 1 surface coverage area in the inboard setting of fixed strip 3.

Wherein, the heat dissipation plate 8 is distributed on the bottom surface of the heat conduction copper plate 7 in a fence shape, the heat conduction copper plate 7 and the heat dissipation plate 8 are in an integrated structure, the main purpose of the fence type distribution structure is to increase the heat dissipation area of the heat-conducting copper plate 7, and when the circuit board is mounted, even if the space provided for installing the circuit board in the large-scale equipment is limited, the heat dissipation performance of the circuit is improved on the basis of not occupying the internal space of the equipment, namely the volume of the heat dissipation module is required to be reduced, the fence type distribution of the heat dissipation plates 8 can effectively improve the heat dissipation performance on the premise of ensuring that the occupied area is small, the heat generated by the circuit board 1 in operation is conducted to the heat conduction copper plate 7 and the heat dissipation plates 8 along with the heat conduction silica gel sheet 6, the heat radiation plate 8 greatly increases the heat radiation area of the heat conduction copper plate 7 body, so that the heat conduction copper plate 7 can radiate heat more quickly.

Wherein, the perpendicular cross-section of side anticollision strip 4 is the U-shaped and with 3 cards of fixed strip in its inboard, anticollision tooth 9 is slope fence formula distribution at the surface of side anticollision strip 4, side anticollision strip 4 and anticollision tooth 9 formula forming structure as an organic whole, the structure that the fence formula of anticollision tooth 9 distributes, can receive vibrations or when dropping, its inner wall with equipment takes place to rock the striking or directly the bottom surface that drops, easily produce deformation, can not lead to it too hard and cause deformation to take place the difficulty, after its deformation alright offset impact energy with absorption part impact force, reduce the vibration range, the reduction is to the vibration injury that circuit board 1 body caused.

The utility model discloses a theory of operation and use flow:

in the transportation, if circuit board 1 takes place when falling, both ends receive the striking to damage around for the circuit board 1 who avoids, need install anticollision piece 2 around it additional at both ends, four anticollision piece 2 laminating are in four corners of circuit board 1, make circuit board 1 when falling and strike corner or front and back both ends, corresponding damage can not take place at the position of falling, and the guard action that the side anticollision strip 4 of both sides played the both sides of circuit board 1.

And the fence type distribution structure of the heat dissipation plate 8 mainly aims at improving the heat dissipation area of the heat conduction copper plate 7 body, the fence type distribution of the heat dissipation plate 8 can effectively improve the heat dissipation performance on the premise of ensuring that the occupied area is small, the heat generated by the circuit board 1 in the work can be conducted to the heat conduction copper plate 7 and the heat dissipation plate 8 along with the heat conduction silica gel sheet 6, and the heat dissipation plate 8 greatly improves the heat dissipation area of the heat conduction copper plate 7 body, so that the heat conduction copper plate 7 can dissipate heat more quickly.

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 a multiply wood structure PCB board, includes circuit board (1), its characterized in that: the equal fixed mounting in four corners of circuit board (1) has anticollision piece (2), the left and right sides face fixed mounting of circuit board (1) has fixed strip (3), fixed strip (3) lateral surface fixed mounting has side anticollision strip (4), the fixed laminating in bottom of circuit board (1) has heat conduction silica gel piece (6), the below of heat conduction silica gel piece (6) is provided with heat conduction copper (7), fastening screw (5) are installed to the equal screw thread in four corners of circuit board (1), anticollision piece (2), fixed strip (3) and heat conduction copper (7) are through fastening screw (5) and circuit board (1) fixed mounting, the bottom of heat conduction copper (7) is provided with heating panel (8), lateral surface, top and the bottom of side anticollision strip (4) are provided with anticollision tooth (9).

2. A multilayer board structure PCB board according to claim 1, wherein: the inner side surface part of the anti-collision block (2) is arc-shaped, the inner side surface of the anti-collision block (2) is attached to the outer end surface and the arc surface of the circuit board (1), the top of the anti-collision block (2) is provided with an inner extension surface, the inner extension surface is provided with a circular fixing through hole, and the anti-collision block (2) is integrally made of a rubber plate.

3. A multilayer board structure PCB board according to claim 1, wherein: the inner side surface of the fixing strip (3) is provided with four inner extension surfaces, the four inner extension surfaces are provided with circular through holes with the same size, and the four inner extension surfaces of the fixing strip (3) are attached to the upper surface and the lower surface of the circuit board (1) and clamp the circuit board (1) in the middle.

4. A multilayer board structure PCB board according to claim 1, wherein: the heat dissipation plate (8) is distributed on the bottom surface of the heat conduction copper plate (7) in a fence mode, and the heat conduction copper plate (7) and the heat dissipation plate (8) are of an integrally formed structure.

5. A multilayer board structure PCB board according to claim 1, wherein: the vertical section of the side anti-collision strip (4) is U-shaped, the fixing strip (3) is clamped on the inner side of the side anti-collision strip, the anti-collision teeth (9) are distributed on the outer surface of the side anti-collision strip (4) in an inclined fence manner, and the side anti-collision strip (4) and the anti-collision teeth (9) are of an integrated forming structure.