CN212138237U

CN212138237U - Anti-interference device of electronic information equipment

Info

Publication number: CN212138237U
Application number: CN202021222162.7U
Authority: CN
Inventors: 刘华谱
Original assignee: Eastern Liaoning University
Current assignee: Eastern Liaoning University
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2020-12-11
Anticipated expiration: 2030-06-28

Abstract

The utility model discloses an interference preventer for electronic information equipment, including magnetic conduction box, equipment box support, signal line, power cord, gas discharge tube, wave filter, equipment box support column set up inside the magnetic conduction box, equipment box support column upper end fixed connection equipment box bottom outer wall, lower extreme fixed connection magnetic conduction box bottom inner wall, wave filter fixed connection is in magnetic conduction box bottom one side to stretch into the magnetic conduction box with the delivery outlet through the preformed hole inside signal line, power cord one end electric connection wave filter input port, the one end of wave filter output port electric connection magnetic conduction box internal signal line, power cord.

Description

Anti-interference device of electronic information equipment

Technical Field

The utility model relates to an electronic information equipment technical field specifically is an electronic information equipment jam-proof device.

Background

The electronic information products are electronic radar products, electronic communication products, broadcast television products, computer products, household electronic products, electronic measuring instrument products, electronic special products, electronic component products, electronic application products, electronic material products and other products and accessories thereof manufactured by adopting electronic information technology, the electronic equipment is composed of integrated circuits, transistors, electronic tubes and other electronic components, the equipment which plays a role by applying electronic technology components comprises an electronic computer and an electronic meter

Computer-controlled robots, numerical control or program control systems, electronic devices have become one of the essential items in daily life.

However, most electronic information devices on the market are easily subjected to electromagnetic interference when in use, and the normal use of the electronic information devices is seriously affected and the service life of the electronic information devices is also reduced due to the weak electromagnetic interference resistance of the traditional electronic information devices.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electronic information equipment jam-proof device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an electronic information equipment jam-proof device, includes magnetic conduction box, equipment box support column, signal line, power cord, gas discharge tube, wave filter, equipment box support column set up inside the magnetic conduction box, equipment box support column upper end fixed connection equipment bottom of the case end outer wall, lower extreme fixed connection magnetic conduction box bottom inner wall, wave filter fixed connection is in magnetic conduction box bottom one side to stretch into the magnetic conduction box with the delivery outlet inside through the preformed hole, signal line, power cord one end electric connection wave filter input port, the one end of wave filter output port electric connection magnetic conduction box inside signal line, power cord.

As a further aspect of the present invention: the top of the magnetic conduction box body is provided with a movable cover plate, the rear wall of the magnetic conduction box body is provided with two metal heat dissipation nets, and four corners of the bottom end of the magnetic conduction box body are fixedly connected with grounding bottom columns.

As a further aspect of the present invention: a threading hole is reserved in one side of the bottom of the equipment box, and a plurality of radiating nets are arranged on the rear wall.

As a further aspect of the present invention: and a damping spring is arranged at the upper end of the equipment box supporting column.

As a further aspect of the present invention: the gas discharge tube is connected with two voltage dependent resistors in series between a phase line and a zero line of a power line, and a discharge tube is connected with a ground line between the two voltage dependent resistors through a lead.

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

the utility model discloses a setting up of magnetic conduction box makes box form a Faraday cage and can shield electromagnetic interference, thereby sets up the purpose that thereby the conduction interfering signal that the filter of downside can be in power and signal access line filters the jam-proof simultaneously, and sets up the effect that the gas discharge tube on the power cord can prevent that the heavy current from getting into electronic equipment and playing the protection electronic equipment circuit.

Drawings

Fig. 1 is a schematic structural diagram of an interference preventing device of an electronic information device.

Fig. 2 is a schematic structural view of a gas discharge tube in an interference preventing device of an electronic information apparatus.

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.

Please refer to fig. 1-2, in the embodiment of the utility model provides an anti-interference device for electronic information equipment, including magnetic conduction box 1, equipment box 2, equipment box support column 3, signal line 4, power cord 5, gas discharge tube 6, wave filter 7, its characterized in that, equipment box 2, equipment box support column 3 set up inside

magnetic conduction box

1, 2 bottom outer walls of equipment box fixed connection equipment box in 3 upper ends of equipment box support column, 1 bottom inner wall of lower extreme fixed connection magnetic conduction box, wave filter 7 fixed connection is in 1 bottom one side of magnetic conduction box to stretch into magnetic conduction box 1 inside with the delivery outlet through the preformed hole,

signal line

4, 5 one end electric connection wave filter 7 input ports of power cord, the output port of wave filter 7 is the one end of signal line 4, power cord 5 in the electric connection magnetic conduction box 1 respectively.

The top of the magnetic conduction box body 1 is provided with a movable cover plate 10, the rear wall is provided with two metal heat radiating nets 11, and four corners of the bottom end of the magnetic conduction box body are fixedly connected with grounding bottom columns 12.

A threading hole is reserved in one side of the bottom of the equipment box 2, and a plurality of radiating nets 20 are arranged on the rear wall.

And a damping spring is arranged at the upper end of the equipment box supporting column 3.

The gas discharge tube 6 is connected in series with two voltage dependent resistors 60 between a phase line 61 and a zero line 62 of the power line 5, and a discharge tube 63 is connected between the two voltage dependent resistors 60 and a ground line 64 through a conducting wire.

The utility model discloses a theory of operation is:

the utility model discloses open the portable apron of magnetic conduction box and place electronic information equipment in the equipment box when using, formed the Faraday cage after the magnetic conduction box is closed and can completely cut off electromagnetic interference, the input port that external power source line and signal line are connected to the wave filter carries out filtering to insert signal and power and filters interference signal wherein, and the signal after the filtration passes through on line connection places the electronic equipment at the equipment box, both accomplishes the jam-proof purpose. Simultaneously when whole equipment meets vibrations, the spring on the equipment support column can play the shock attenuation effect and reduce electronic information equipment's hardware and damage the risk.

In the description of the present invention, it should be noted that unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

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 or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an electronic information equipment jam-proof device, includes magnetic conduction box (1), equipment box (2), equipment box support column (3), signal line (4), power cord (5), gas discharge tube (6), wave filter (7), its characterized in that, equipment box (2), equipment box support column (3) set up inside magnetic conduction box (1), equipment box support column (3) upper end fixed connection equipment box (2) bottom outer wall, lower extreme fixed connection magnetic conduction box (1) bottom inner wall, wave filter (7) fixed connection is in magnetic conduction box (1) bottom one side to stretch into magnetic conduction box (1) inside with the delivery outlet through the preformed hole, signal line (4), power cord (5) one end electric connection wave filter (7) input port, the output port of wave filter (7) is electric connection magnetic conduction box (1) internal signal line (4) respectively, One end of the power line (5).

2. The interference preventing device for electronic information equipment according to claim 1, wherein a movable cover plate (10) is disposed on the top of the magnetic conductive box body (1), two metal heat dissipation nets (11) are disposed on the rear wall, and the bottom four corners are fixedly connected to the grounding bottom pillars (12).

3. The interference preventing device for the electronic information equipment according to claim 1, wherein a threading hole is reserved on one side of the bottom of the equipment box (2), and a plurality of heat radiating nets (20) are arranged on the rear wall.

4. The interference preventing device for electronic information equipment according to claim 1, wherein a shock absorbing spring is provided on an upper end of said equipment box supporting column (3).

5. An electronic information device tamper-proof arrangement according to claim 1, characterized in that the gas discharge tube (6) is connected in series with two varistors (60) between the phase (61) and neutral (62) conductors of the supply line (5), between which varistors (60) a discharge tube (63) is connected by means of a conductor to the earth (64).