CN211406401U

CN211406401U - Electrostatic discharge structure and electronic equipment

Info

Publication number: CN211406401U
Application number: CN202020255665.8U
Authority: CN
Inventors: 邸江涛; 庞志纯; 李清文
Original assignee: Suzhou Institute of Nano Tech and Nano Bionics of CAS
Current assignee: Suzhou Institute of Nano Tech and Nano Bionics of CAS
Priority date: 2020-03-05
Filing date: 2020-03-05
Publication date: 2020-09-01
Anticipated expiration: 2030-03-05

Abstract

The utility model discloses an electrostatic discharge structure and electronic equipment. The electrostatic discharge structure comprises an electrostatic discharge port formed between two conductors, the two conductors are arranged at intervals, at least one of the conductors is electrically combined with at least one carbon nanotube fiber, and one end of the carbon nanotube fiber is arranged corresponding to the electrostatic discharge port. The utility model discloses utilize carbon nanotube's among the carbon nanotube fiber tip effect to make static release more easily, carbon nanotube's in the carbon nanotube fiber tip effect is showing for high electric field concentrates on in a small region (nanometer), thereby makes gaseous electrically conductive required operating voltage descend by a wide margin, with the release capacity of improvement to static, and then realizes protecting various sensitive products to static harm.

Description

Electrostatic discharge structure and electronic equipment

Technical Field

The utility model particularly relates to an electrostatic discharge structure and electronic equipment belongs to mechanical technical field.

Background

Static often brings the destructive damage to the product, in order to eliminate the harm of static, people utilize the principle of gap discharge to design the static discharge port, the typical structure of the static discharge port is as shown in fig. 1, the static discharge port of static is a narrow slit between

conductors

10 and 20, under the effect of static, the air between the narrow slits is punctured, the generation discharges, and then plays the role of static discharge. The conductors at the edges of the narrow slits can be designed into sharp saw-tooth shapes so as to exert a tip effect and improve the electrostatic discharge capacity; however, the sharpness of the saw-tooth projection of the electrostatic discharge port of the conductor is limited due to the limitation of the material of the conductor, and thus the discharge capacity is limited, and the electrostatic discharge port can be designed only as a simple straight or curved edge due to the limitation of the product size, and thus the electrostatic discharge capacity is decreased.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an electrostatic discharge structure and an electronic device, which overcome the disadvantages of the prior art.

For realizing the purpose of the utility model, the utility model discloses a technical scheme include:

the embodiment of the utility model provides an electrostatic discharge structure, it is including forming the electrostatic discharge mouth between two conductors, two conductor intervals set up to it has an at least carbon nanotube fibre to go back electric combination on at least one of them conductor, carbon nanotube fibre one end corresponds the electrostatic discharge mouth sets up.

Furthermore, a plurality of carbon nanotube fibers are electrically combined on one conductor, wherein one end of each carbon nanotube fiber is arranged corresponding to the electrostatic discharge port.

Further, the electrostatic discharge port is a slit formed between the two conductors, and two side edges of the slit have a linear or curved profile.

Further, at least one side edge of the slit has a saw-tooth profile.

Further, one end of the carbon nanotube fiber is disposed at a tip of the zigzag profile.

Furthermore, one end of the carbon nanotube fiber is arranged flush with the tip.

Further, one end of the carbon nanotube fiber protrudes from the tip into the slit.

Further, the carbon nanotube fiber is adhered to the conductor by conductive glue.

Furthermore, a plurality of carbon nanotube fibers are electrically combined on the two conductors, wherein one end of each carbon nanotube fiber is arranged corresponding to the electrostatic discharge port.

The embodiment of the utility model provides an electronic equipment is still provided, it includes the electrostatic discharge structure.

Compared with the prior art, the utility model discloses utilize carbon nanotube's among the carbon nanotube fiber tip effect to make static release more easily, carbon nanotube's in the carbon nanotube fiber tip effect is showing for high electric field concentrates on in a small region (nanometer), thereby makes gaseous electrically conductive required operating voltage descend by a wide margin, with the release capacity of improvement to static, and then realizes protecting various products sensitive to static harm.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural diagram of an electrostatic discharge structure in the prior art;

fig. 2 is a schematic structural diagram of an electrostatic discharge structure according to an exemplary embodiment of the present invention.

Detailed Description

In view of the deficiencies in the prior art, the inventor of the present invention has made extensive studies and practices to provide the technical solution of the present invention. The technical solution, its implementation and principles, etc. will be further explained as follows.

Carbon nanotube: the basepipe is a one-dimensional quantum material with a special structure, the radial dimension of the basepipe is in a nanometer level, and the axial dimension of the basepipe is in a micrometer level; the carbon nano tube mainly comprises a plurality of layers to dozens of layers of coaxial circular tubes formed by carbon atoms arranged in a hexagon; the distance between layers is about 0.34nm, and the diameter of the carbon nanotube is generally 2-20 nm.

And (3) antistatic: static electricity is an objective natural phenomenon, and is generated in various ways, such as contact, friction, peeling and the like; electrostatic protection technologies, such as electrostatic hazards in the electronics industry, semiconductors, petroleum industry, weapons industry, textile industry, rubber industry, and the aerospace and military fields, seek to reduce losses due to static electricity.

Tip effect: the tip effect is a phenomenon that the surface charge density of a tip part is higher, the electric field intensity near the tip is stronger, and the discharge from the tip to the surrounding air or an adjacent grounding body is easy to occur on the same charged conductor compared with a smooth part; under the action of a strong electric field at the tip of the charged conductor, ions remaining in the air nearby violently move and violently collide with air molecules, so that the air molecules are ionized to generate a large number of positive and negative ions, the ions collide with other air molecules under the action of the electric field to ionize the air molecules, and the circulation is carried out, so that tip discharge is formed; the form of the point discharge is mainly two types of corona discharge and spark discharge.

Carbon nanotube fibers: the fiber made of the carbon nano tube can conduct electricity, has large surface area and strong adsorption capacity; the carbon nanotube fiber has excellent electrostatic discharge capability due to the tip effect of the carbon nanotube therein, and is used as an electrostatic discharge element in the present invention.

The embodiment of the utility model provides an electrostatic discharge structure, which is to electrically arrange carbon nanotube fibers on more than two conductors at intervals, and utilize the tip effect of carbon nanotubes in the carbon nanotube fibers to make the electrostatic discharge easier; the tip effect of the carbon nanotubes in the carbon nanotube fiber is remarkable, so that a high electric field is concentrated in a tiny area (nanometer level), the working voltage required by gas conduction is greatly reduced, the electrostatic release capacity is improved, and various products sensitive to electrostatic harm are protected.

Referring to fig. 2, an embodiment of the present invention provides an electrostatic discharge structure, which includes two first conductors 10 and two second conductors 20 arranged at an interval, an electrostatic discharge channel (i.e., the electrostatic discharge opening) 30 is formed between the first conductors 10 and the second conductors 20, a plurality of carbon nanotube fibers 40 are electrically disposed on both the first conductors 10 and the second conductors 20, one end of each carbon nanotube fiber 40 protrudes into the electrostatic discharge channel to form a first discharge tip, and the carbon nanotube fibers 40 on the first conductors 10 and the second conductors 20 are arranged oppositely and do not have direct contact.

Specifically, the carbon nanotube fibers 40 may be electrically attached to the first conductor 10 and the second conductor 20 via a conductive adhesive.

Specifically, a side of the first conductor 10 facing the electrostatic discharge path 30 is a first discharge surface 11, and a side of the second conductor 20 facing the electrostatic discharge path 30 is a second discharge surface 21, wherein the first discharge surface 11 and the second discharge surface 21 are contour surfaces or contour lines of the electrostatic discharge path, and the first discharge surface 11 and the second discharge surface 21 may be continuous planes or curved surfaces, that is, the contour of the electrostatic discharge path is a continuous straight line or a curved line.

Specifically, the first discharge surface 11 and the second discharge surface 21 may also be saw-toothed, that is, the profile of the electrostatic discharge channel 30 is a saw-toothed profile, and the tips 50 of the first discharge surface 11 and the second discharge surface 21 are arranged corresponding to the electrostatic discharge port and serve as second discharge tips.

Specifically, one end of the carbon nanotube fiber 40 is disposed at the tip of the zigzag profile; wherein one end of the carbon nanotube fiber is disposed flush with the tip of the zigzag profile, or one end of the carbon nanotube fiber 40 protrudes from the tip 50 into the electrostatic discharge path 30.

The piezoelectric ceramic in the lighter is used for generating high voltage, a section of carbon nanotube fiber is connected in parallel with the piezoelectric ceramic lead wire, the head of the carbon nanotube fiber is flush with the head of the piezoelectric ceramic lead wire, when the piezoelectric ceramic is pressed to generate high-voltage electric arc, the electric arc almost always passes through the carbon nanotube fiber, and therefore the advantage of the carbon nanotube fiber in the aspect of electrostatic discharge can be proved.

Wherein, the utility model discloses in the fibrous quantity of carbon nanotube and specific dimensional parameter, the interval etc. between the adjacent carbon nanotube fibre of use can set up according to particular case. The static electricity discharge structure can be arranged at specific positions of various products sensitive to static electricity hazards according to needs, and the products can be various electric appliances, electronic parts, power equipment and the like.

For example, in some data processing chips, the carbon nanotube fiber can be attached to the electrostatic discharge port of the lead by using a conductive adhesive, thereby significantly improving the electrostatic discharge capability.

The utility model discloses utilize carbon nanotube's among the carbon nanotube fiber tip effect to make static release more easily, carbon nanotube's in the carbon nanotube fiber tip effect is showing for high electric field concentrates on in a small region (nanometer), thereby makes gaseous electrically conductive required operating voltage descend by a wide margin, with the improvement to the releasing ability of static, and then realizes protecting various products sensitive to static harm.

It should be understood that the above-mentioned embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, and therefore, the protection scope of the present invention should not be limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. An electrostatic discharge structure, characterized by that include forming the electrostatic discharge mouth between two conductors, said two conductors set up at interval, and wherein at least one conductor also has at least one carbon nanotube fiber of electrical bonding, one end of said carbon nanotube fiber is set up corresponding to said electrostatic discharge mouth.

2. The electrostatic discharge structure according to claim 1, wherein: and a plurality of carbon nano tube fibers are electrically combined on one conductor, wherein one end of each carbon nano tube fiber is arranged corresponding to the electrostatic discharge port.

3. The electrostatic discharge structure according to claim 1, wherein: the electrostatic discharge port is a slit formed between two conductors, and two side edges of the slit have a linear or curved profile.

4. The electrostatic discharge structure according to claim 3, wherein: at least one side edge of the slit has a saw-tooth profile.

5. The electrostatic discharge structure according to claim 4, wherein: one end of the carbon nanotube fiber is arranged at the tip of the sawtooth-shaped profile.

6. The electrostatic discharge structure according to claim 5, wherein: one end of the carbon nano tube fiber is arranged in parallel and level with the tip.

7. The electrostatic discharge structure according to claim 5, wherein: one end of the carbon nano tube fiber protrudes from the tip into the slit.

8. The electrostatic discharge structure according to claim 1, wherein: the carbon nanotube fibers are attached to the conductor by conductive glue.

9. The electrostatic discharge structure according to claim 1, wherein: and a plurality of carbon nanotube fibers are electrically combined on the two conductors, wherein one end of each carbon nanotube fiber is arranged corresponding to the electrostatic discharge port.

10. An electronic device characterized by comprising the electrostatic discharge structure according to any one of claims 1 to 9.