CN219286391U

CN219286391U - Antistatic silica gel sheet composite structure

Info

Publication number: CN219286391U
Application number: CN202320746985.7U
Authority: CN
Inventors: 黄利翻; 黄辉艳; 伍阿丽
Original assignee: Shenzhen Lifan Silica Gel Product Co ltd
Current assignee: Shenzhen Lifan Silica Gel Product Co ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-06-30
Anticipated expiration: 2033-04-07

Abstract

The utility model discloses an antistatic silica gel sheet composite structure, which relates to the technical field of heat-conducting silica gel sheets. According to the utility model, through the arrangement of the expansion cavity and the heat conducting strips, heat generated by the work of a heat-dissipating object is transferred into the silica gel sheet main body, so that air in the expansion cavity is heated, and the air is heated and thermally expanded to enable the silica gel sheet main body to bulge, so that the silica gel sheet is tightly attached to the heat-dissipating structure and the heat-dissipating object, the phenomenon that the silica gel sheet main body cannot timely compensate gaps due to aging and elastic reduction of the silica gel sheet main body is avoided, the heat-dissipating structure and the heat-dissipating object are always attached to the silica gel sheet due to thermal expansion, and the phenomenon that the elastic reduction of the silica gel sheet is difficult to timely compensate gaps is avoided.

Description

Antistatic silica gel sheet composite structure

Technical Field

The utility model relates to the technical field of heat-conducting silica gel sheets, in particular to an antistatic silica gel sheet composite structure.

Background

The heat-conducting silica gel sheet is similar to the heat-conducting silica gel, and is used for heat dissipation of devices such as chips and circuit boards, if the heat-conducting silica gel sheet or the heat-conducting silica gel is not arranged, tiny gaps exist between the heat-dissipating structure and an object to be heat-dissipated, and most of the gaps are invisible to eyes but can cause larger influence on heat dissipation performance.

The phenomenon that elasticity falls can appear in the heat conduction silica gel piece after using for a long time because ageing reason, still use and then can lead to heat conduction silica gel piece dry crack, and heat radiation structure can produce some slight vibrations when the during operation because forced air cooling fan or liquid cooling fluid and liquid pump, heat conduction silica gel piece elasticity falls the back and leads to heat radiation structure and by heat radiation object between the gap take place forward or reverse change because heat radiation structure's slight vibrations, and heat conduction silica gel piece elasticity falls and probably is difficult to in time compensate the gap, and then causes some influences to the radiating efficiency.

Disclosure of Invention

Based on the above, the utility model aims to provide an antistatic silica gel sheet composite structure so as to solve the technical problem that the aging elasticity is reduced and gaps are difficult to compensate in time.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an antistatic silica gel piece composite construction, includes the silica gel piece main part, the inflation chamber has been seted up in the silica gel piece main part, it has the heat conduction strip to run through from top to bottom in the inflation chamber, be connected with first insulating layer in the silica gel piece main part, be connected with the second insulating layer under the silica gel piece main part, the insulating cover has been cup jointed on silica gel piece main part surface.

Through adopting above-mentioned technical scheme, in the heat transfer to silica gel piece main part that is produced by the work of heat dissipation object, make expansion intracavity air heated, the air is heated back thermal expansion and is made silica gel piece main part uplift, and then make the silica gel piece closely laminate on heat radiation structure and by the heat dissipation object, avoid silica gel piece main part ageing elasticity decline to lead to the unable timely compensation gap phenomenon of silica gel piece main part to take place, the heat conductivility of expansion chamber position is strengthened through the heat conduction strip simultaneously is convenient for to air heating, and the setting of avoiding the expansion chamber leads to silica gel piece main part heat conductivity to reduce the phenomenon and takes place, heat conduction strip I-shaped structure increases the heat transfer face between heat conduction strip and the silica gel piece main part simultaneously.

Further, the silica gel sheet main body is formed by compounding silica gel and metal oxide.

Through adopting above-mentioned technical scheme, clamp the silica gel piece through by heat dissipation object and heat radiation structure, in the heat that produces when by heat dissipation object during operation passes through the silica gel piece main part and transmits heat radiation structure, later gives off heat to the external world through heat radiation structure.

Further, the expansion cavity and the heat conducting strips are all provided with a plurality of expansion cavities, and the chromium plating is distributed on the expansion cavities and the heat conducting strips at equal intervals.

Through adopting above-mentioned technical scheme, the wide heat absorption area that can increase in heat conduction strip top, the wide heat release area that can increase in heat conduction strip bottom strengthen the regional heat conductivity of inflation chamber, avoid silica gel piece main part cavity to lead to heat conduction efficiency to reduce.

Further, the section of the heat conducting strip is I-shaped.

Through adopting above-mentioned technical scheme, strengthen the regional heat conductivility of inflation chamber through the heat conduction strip and be convenient for to air heating, and avoid the setting of inflation chamber to lead to the silica gel piece main part heat conductivity to reduce the phenomenon to take place, heat conduction strip I-shaped structure increases the heat transfer face between heat conduction strip and the silica gel piece main part simultaneously.

Furthermore, the heat conducting strip is made of red copper materials.

Through adopting above-mentioned technical scheme, the heat conductivity of red copper is very excellent, and the setting of heat conduction strip is equivalent to assuming a bridge that is used for heat conduction in the inflation chamber region, avoids silica gel piece main part cavity to lead to heat conduction efficiency to reduce.

Further, the insulating sleeve is shaped like a Chinese character 'kou'.

Through adopting above-mentioned technical scheme, when the silica gel piece carries out heat conduction, increase the insulativity through first insulating layer, insulating cover and second insulating layer, avoid static and electric current to circulate in by heat dissipation object and heat radiation structure.

In summary, the utility model has the following advantages:

according to the utility model, through the arrangement of the expansion cavity and the heat conducting strip, heat generated by the work of a heat-dissipating object is transferred into the silica gel sheet main body, so that air in the expansion cavity is heated, and the silica gel sheet main body is raised by thermal expansion after the air is heated, so that the silica gel sheet is tightly attached to a heat dissipation structure and the heat-dissipating object, the phenomenon that the silica gel sheet main body cannot compensate gaps in time due to aging and elastic reduction of the silica gel sheet main body is avoided, meanwhile, the heat conducting performance of the expansion cavity is enhanced through the heat conducting strip, the air is conveniently heated, the phenomenon that the heat conductivity of the silica gel sheet main body is reduced due to the arrangement of the expansion cavity is avoided, meanwhile, the heat transfer surface between the heat conducting strip and the silica gel sheet main body is enlarged by the I-shaped structure, and the silica gel sheet is always attached to the heat dissipation structure and the heat-dissipating object through thermal expansion, and the phenomenon that gaps are difficult to compensate due to the elastic reduction of the silica gel sheet is avoided.

Drawings

FIG. 1 is a schematic cross-sectional view of a silica gel sheet according to the present utility model;

FIG. 2 is an enlarged view of the structure of FIG. 1 at A in accordance with the present utility model;

FIG. 3 is a schematic view of the silica gel sheet structure of the present utility model;

fig. 4 is an exploded view of the main body of the silica gel sheet according to the present utility model.

In the figure: 1. a silica gel sheet main body; 2. a first insulating layer; 3. an insulating sleeve; 4. a second insulating layer; 5. an expansion chamber; 6. and a heat conducting strip.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

The utility model provides an antistatic silica gel piece composite construction, as shown in figures 1, 2, 3 and 4, including silica gel piece main part 1, silica gel piece main part 1 is formed by silica gel and metal oxide complex, the heat conductivity is better, the expansion chamber 5 has been seted up to silica gel piece main part 1 inside, be equipped with the air in the expansion chamber 5, make silica gel piece uplift laminating heat radiation structure and by the heat radiation object through air thermal expansion, heat conduction strip 6 has been run through to expansion chamber 5 top and bottom, strengthen the regional heat conductivility of expansion chamber 5, silica gel piece main part 1 top is connected with first insulating layer 2, silica gel piece main part 1 bottom is connected with second insulating layer 4, insulating sleeve 3 has been cup jointed to silica gel piece main part 1 outside, insulating sleeve 3 is "mouthful" font, avoid static and electric current to circulate in by heat radiation object and heat radiation structure.

Referring to fig. 1, 2 and 4, in the above embodiment, the expansion chambers 5 and the heat conducting strips 6 are all provided with a plurality of pieces, and the chrome plating expansion chambers 5 and the heat conducting strips 6 are distributed at equal intervals, the cross sections of the heat conducting strips 6 are in an i shape, the heat conducting strips 6 are made of red copper materials, the heat radiating structure and the object to be radiated are always attached to the silica gel sheet through thermal expansion, and the phenomenon that the elasticity of the silica gel sheet is reduced and is difficult to compensate gaps in time is avoided.

The implementation principle of the embodiment is as follows: firstly, a worker places a silica gel sheet on a heat-dissipating object, then places a heat-dissipating structure on the silica gel sheet, heat generated when the heat-dissipating object works is transferred into the heat-dissipating structure through a silica gel sheet main body 1, then the heat is dissipated to the outside through the heat-dissipating structure, and meanwhile, the insulativity is increased through a first insulating layer 2, an insulating sleeve 3 and a second insulating layer 4, so that static electricity and current are prevented from flowing in the heat-dissipating object and the heat-dissipating structure;

compensation, after the ageing elasticity of silica gel piece main part 1 descends, by the partial heat transfer that the work of radiating object produced to silica gel piece main part 1 in, make the interior air of expansion chamber 5 heated, the air is heated back thermal expansion makes silica gel piece main part 1 uplift, and then make the silica gel piece closely laminate on heat radiation structure and by the radiating object, avoid silica gel piece main part 1 ageing elasticity to descend and lead to silica gel piece main part 1 unable timely compensation gap phenomenon to take place, simultaneously strengthen the regional heat conductivility of expansion chamber 5 through heat conducting strip 6 and be convenient for heat the air, and avoid the setting of expansion chamber 5 to lead to the reduction phenomenon to take place of silica gel piece main part 1 heat conductivity, simultaneously heat conducting strip 6I-shaped structure increases the heat transfer face between heat conducting strip 6 and the silica gel piece main part 1, make the heat conducting strip 6 that the heat conductivity is high can be fast with the lower silica gel piece main part 1 transfer heat of heat conductivity.

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims

1. An antistatic silica gel sheet composite structure comprises a silica gel sheet main body (1), and is characterized in that: an expansion cavity (5) is formed in the silica gel sheet main body (1), heat conducting strips (6) penetrate through the expansion cavity (5) up and down, a first insulating layer (2) is connected to the silica gel sheet main body (1), a second insulating layer (4) is connected to the silica gel sheet main body (1) down, and an insulating sleeve (3) is sleeved on the surface of the silica gel sheet main body (1).

2. The antistatic silicone sheet composite structure according to claim 1, wherein: the silica gel sheet main body (1) is formed by compounding silica gel and metal oxide.

3. The antistatic silicone sheet composite structure according to claim 1, wherein: the expansion cavities (5) and the heat conducting strips (6) are all provided with a plurality of chromium plating, and the expansion cavities (5) and the heat conducting strips (6) are distributed at equal intervals.

4. An antistatic silicone sheet composite structure according to claim 3, wherein: the section of the heat conducting strip (6) is I-shaped.

5. The antistatic silicone sheet composite structure according to claim 4, wherein: the heat conducting strip (6) is made of red copper material.

6. The antistatic silicone sheet composite structure according to claim 1, wherein: the insulating sleeve (3) is shaped like a Chinese character 'kou'.