CN210124045U

CN210124045U - Anti-static circuit board

Info

Publication number: CN210124045U
Application number: CN201920361486.XU
Authority: CN
Inventors: 梁小贤
Original assignee: Shenzhen Lihongwei Industrial Co Ltd
Current assignee: Cangzhou delip Electronic Technology Co., Ltd
Priority date: 2019-03-21
Filing date: 2019-03-21
Publication date: 2020-03-03
Anticipated expiration: 2029-03-21

Abstract

The utility model discloses a circuit board technical field, in particular to an anti-static circuit board, which comprises a protective shell, wherein the bottom of the protective shell is clamped with a box bottom, a circuit board is clamped in the inner cavity of the protective shell, the top of the protective shell is provided with a cover plate, and the four corners of the top of the protective shell are all screwed with conductive fixing columns, and the conductive fixing columns sequentially penetrate through the cover plate, the protective shell and the box bottom, the protective shell is arranged outside the circuit board, when in use, a user needs to contact with the shell firstly, and discharges static electricity on the body through the conductive fixing columns, the cover plate with a transparent conductive film adhered on the surface and the outer wall are nested with an external conductive sheet contacting with the conductive fixing columns, when in use, the circuit board contacts with the shell firstly, the static electricity is conducted through the grounded conductive fixing columns, and the static electricity removing effect is realized, avoid misoperation to lead to the circuit board to use impaired.

Description

Anti-static circuit board

Technical Field

The utility model relates to a circuit board technical field specifically is an anti-static circuit board.

Background

Because the weather is dry and personnel's activity, the possibility that the human body carries static has been increased, and static is very big to electronic equipment's harm, in order to reduce the harm of static to the circuit board, people prescribe circuit board body and application method, and then cause static harm when playing good preventing contact, but in the use, still can take place to forget to directly contact with the circuit board after eliminating self static, cause the circuit board to be damaged easily, so need one kind can unload static fast and prevent that the static circuit board improves the protective effect to static.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent static circuit board to thereby solve the problem that how to solve the improvement that proposes among the above-mentioned background and unload static effect and avoid static to damage.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent static circuit board, includes protective housing, protective housing's bottom joint has the box bottom, the joint has the circuit board in protective housing's the inner chamber, protective housing's top is provided with the apron, just protective housing's the equal spiro union in top four corners of protective housing has electrically conductive fixed column, and electrically conductive fixed column runs through apron, protective housing and box bottom in proper order, all nested external conducting strip on protective housing's the left and right sides outer wall, electrically conductive fixed column includes the column cap, and the integrative stamping forming in bottom of column cap has the spliced pole, just the bottom spiro union of spliced pole has the nut, protective housing includes the casing, and installs the insulating layer in the inner chamber of casing, install the conducting layer in the inner chamber of insulating layer, and install the enhancement inner panel in the inner chamber of conducting layer, the circular telegram connecting hole has been, A conductive layer and a reinforcing inner plate.

Preferably, the external conducting strip penetrates through the outer wall of the protective shell, and the external conducting strip is connected with the conducting layer.

Preferably, the conductive layer is made of a high permeability alloy.

Preferably, all nested insulating rubber cover on the outer wall of column cap and nut, just the nut is connected with the nut of earth connection for the bottom.

Preferably, a metal thread is arranged in the inner cavity of the power-on connecting hole, and the connecting column is connected with the conductive layer through the thread.

Preferably, the cover plate comprises an acrylic plate, a transparent conductive film is bonded to the top of the acrylic plate, and the column cap is clamped on the transparent conductive film.

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

1) the protective shell is arranged outside the circuit board, when the circuit board is used, a user needs to contact with the shell firstly, static electricity on the user body is leaked through the conductive fixing column, and the damage of the static electricity on the user body to the circuit board is effectively avoided;

2) the utility model discloses a be provided with the surface and bond the apron that has transparent conductive film and the outer wall on the nested external conducting strip that has with the contact of electrically conductive fixed column, when using, earlier with the shell contact, through the electrically conductive fixed column of ground connection with static electricity ground, realize going the effect of static, avoid misoperation to lead to the circuit board to use impaired.

Drawings

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

fig. 2 is a schematic view of the structure of the conductive fixing column of the present invention;

fig. 3 is a schematic view of the structure of the protective casing of the present invention.

In the figure: the structure comprises a protective shell 1, a shell 101, a conductive layer 102, a reinforced inner plate 103, an insulating layer 104, a power-on connecting hole 105, a box bottom 2, a circuit board 3, a cover plate 4, a conductive fixing column 5, a column cap 51, a connecting column 52, a nut 53 and a conductive sheet 6 which are externally connected.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an anti-static circuit board comprises a protective shell 1, wherein a box bottom 2 is connected to the bottom of the protective shell 1 in a clamped mode, a circuit board 3 is connected to the inner cavity of the protective shell 1 in a clamped mode, an apron 4 is arranged at the top of the protective shell 1, conductive fixing columns 5 are connected to the four corners of the top of the protective shell 1 in a threaded mode and penetrate through the apron 4, the protective shell 1 and the box bottom 2 in sequence, external conductive sheets 6 are nested on the outer walls of the left side and the right side of the protective shell 1, each conductive fixing column 5 comprises a column cap 51, a connecting column 52 is formed in the bottom of the column cap 51 in an integrated stamping mode, a nut 53 is connected to the bottom of the connecting column 52 in a threaded mode, the protective shell 1 comprises a shell 101, an insulating layer 104 is installed in the inner cavity of the shell 101, a conductive layer 102 is installed in the inner, the housing 101 is opened with a conductive connection hole 105, and the conductive connection hole 105 penetrates through the insulating layer 104, the conductive layer 102 and the reinforcing inner plate 103.

Wherein, the external conductive sheet 6 penetrates the outer wall of the protective housing 1, and the external conductive sheet 6 is connected with the conductive layer 102, when a user uses the protective housing, the conductive layer 102 can contact with the external conductive sheet 6 in the carrying process, and then the static electricity on the body is led out through the conductive layer 102, the conductive layer 102 is a conductive layer made of high-permeability alloy, which improves the conductive efficiency and prevents the static electricity from generating, insulating rubber sleeves are nested on the outer walls of the column head 51 and the nut 53, the nut 53 is a nut with a grounding wire connected at the bottom, so as to realize the conductive protection of the column head 51 and the nut 53, avoid that the column head 51 and the nut 53 made of metal generate static electricity to lead the static electricity to be conducted back to the human body in the dismantling process, a metal thread is arranged in the inner cavity of the power-on connecting hole 105, and the connecting column 52 is connected with the conductive layer 102, the cover plate 4 comprises an acrylic plate, a transparent conductive film is bonded to the top of the acrylic plate, and the column cap 51 is clamped on the transparent conductive film, so that electrostatic insulation on the lower side and the transparent conductive film on the upper side are realized, and the electrostatic discharge effect is improved.

The working principle is as follows: the utility model discloses when the user uses, need contact protecting sheathing 1 and apron 4 earlier, in the contact process, touch external conducting strip 6 and transparent conductive film, contact and electrically conduct through electrically conductive fixed column 5 and external conducting strip 6 and transparent conductive film, conduct human static from the ground wire of nut 53 bottom, and when demolising and taking out circuit board 3, need demolish nut 53 earlier, avoided because forget and lead to the user to carry direct contact circuit board 3 under the condition of static on the people, cause the damage of circuit board 3, improve antistatic effect.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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. An antistatic circuit board, includes protective housing (1), its characterized in that: the bottom joint of protective housing (1) has box bottom (2), the joint has circuit board (3) in the inner chamber of protective housing (1), the top of protective housing (1) is provided with apron (4), just the equal spiro union in top four corners of protective housing (1) has electrically conductive fixed column (5), and electrically conductive fixed column (5) run through apron (4), protective housing (1) and box bottom (2) in proper order, all nested external conducting strip (6) on the left and right sides outer wall of protective housing (1), electrically conductive fixed column (5) include column cap (51), and the integrative stamping forming in bottom of column cap (51) has spliced pole (52), just the bottom spiro union of spliced pole (52) has nut (53), protective housing (1) includes casing (101), and installs insulating layer (104) in the inner chamber of casing (101), install conducting layer (102) in the inner chamber of insulating layer (104), and a reinforcing inner plate (103) is arranged in the inner cavity of the conducting layer (102), an electrifying connecting hole (105) is formed in the shell (101), and the electrifying connecting hole (105) penetrates through the insulating layer (104), the conducting layer (102) and the reinforcing inner plate (103).

2. The antistatic circuit board of claim 1, wherein: the external conducting strip (6) penetrates through the outer wall of the protective shell (1), and the external conducting strip (6) is connected with the conducting layer (102).

3. The antistatic circuit board of claim 1, wherein: the conductive layer (102) is made of high-permeability alloy.

4. The antistatic circuit board of claim 1, wherein: all nested insulating rubber cover on the outer wall of column cap (51) and nut (53), just nut (53) are connected with the nut of earth connection for the bottom.

5. The antistatic circuit board of claim 1, wherein: a metal thread is arranged in the inner cavity of the power-on connecting hole (105), and the connecting column (52) is connected with the conducting layer (102) through the thread.

6. The antistatic circuit board of claim 1, wherein: the cover plate (4) comprises an acrylic plate, a transparent conductive film is bonded to the top of the acrylic plate, and the column head (51) is clamped on the transparent conductive film.