CN110010267A - A kind of high heat-conductivity conducting elastomer - Google Patents
A kind of high heat-conductivity conducting elastomer Download PDFInfo
- Publication number
- CN110010267A CN110010267A CN201910365221.1A CN201910365221A CN110010267A CN 110010267 A CN110010267 A CN 110010267A CN 201910365221 A CN201910365221 A CN 201910365221A CN 110010267 A CN110010267 A CN 110010267A
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- CN
- China
- Prior art keywords
- thermal conductivity
- foil body
- elastomer
- foil
- conductivity
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
Abstract
The invention discloses a kind of high heat-conductivity conducting elastomers, including the first thermal conductivity foil body, the second thermal conductivity foil body, first thermal conductivity foil body, the second thermal conductivity foil body laying stacked on top of one another are equipped with gap between the first thermal conductivity foil body, the second thermal conductivity foil body；Thermal conductivity elastomer and foam are set in gap simultaneously.The present invention not only has better hot property, electric conductivity, mechanical performance, but also production cost is low, and economy is more preferable, while volume is more compact.
Description
Technical field
The present invention relates to thermal conductivity technology more particularly to a kind of high heat-conductivity conducting elastomers.
Background technique
In the prior art, it is formed using traditional heat conduction particle with silica gel mixing after cure, produces conductive heat conducting material,
Wherein, heat conduction particle is carbon fiber or metal oxide (aluminium oxide/boron nitride), and this technology is difficult to realize higher longitudinal direction
Thermal coefficient (most of in 6W/m-K).In the actual production process, in order to realize higher longitudinal thermal conductivity (6W/m-K with
On), many expensive heat conduction particles are often filled, there are one or less deficiencies:
1. heat conduction particle is excessive, cause hardness very high, can not compress well, bounce is very big after compression；
2. heat conduction particle causes longitudinal electrical resistance relatively high, cannot have good grounding characteristics；
3. cost of manufacture is very high, expensive because many high-performance heat conduction particles need import；
4. the smaller ruler that the thickness and working clearance range of conductive heat conducting material typically from 0.50mm or more, can not be done
Very little, application limitation is big, it is therefore desirable to improve.
Summary of the invention
Technical problem to be solved by the present invention lies in: a kind of high heat-conductivity conducting elastomer is provided, is not only had preferably
Hot property, electric conductivity, mechanical performance, and production cost is low, and economy is more preferable, while volume is more compact.
In order to solve the above technical problems, the invention proposes a kind of high heat-conductivity conducting elastomers, comprising:
First thermal conductivity foil body, the second thermal conductivity foil body, on the first thermal conductivity foil body, the second thermal conductivity foil body
Lower layer's laying up is set, and gap is equipped between the first thermal conductivity foil body, the second thermal conductivity foil body；
Thermal conductivity elastomer, the thermal conductivity elastomer are arranged in the gap；
Foam, the foam are arranged in the gap.
Further, the first thermal conductivity foil body, the second thermal conductivity foil body are copper foil or aluminium foil or phase transformation
Heat accumulating layer or thermally conductive gel layer.
Further, the thermal conductivity elastomer be carbon fiber film or electrographite piece or Graphite cloth or
Graphite paper or copper foil or graphene or aluminium foil.
Further, the foam is PU foam or silica gel foam.
Further, the lower surface of the second thermal conductivity foil body is equipped with gum body.
Above-mentioned technical proposal at least has the following beneficial effects: the present invention by using the first thermal conductivity foil body, second
Thermal conductivity foil body thermally conductive is led by the first thermal conductivity foil body, the second thermal conductivity foil body laying stacked on top of one another, and first
Gap is equipped between electric foil body, the second thermal conductivity foil body；Thermal conductivity elastomer and foam are set in gap simultaneously.It realizes
When longitudinal thermally conductive function, heat is transmitted on the first thermal conductivity foil body first by the interface that generates heat, and is then conducted to thermal conductivity
On elastomer and foam, the high thermal conductivity ability of the first thermal conductivity foil body horizontal direction is relied on, heat is quick in the horizontal direction
It is transmitted to the second thermal conductivity foil body and heat is quickly transmitted to heat dissipation interface after the second thermal conductivity foil body receives heat.
When realizing conducting function, electric current directly passes to the second thermal conductivity foil body, the first thermal conductivity foil from the first thermal conductivity foil body
It is transmitted between body, the second thermal conductivity foil body with thermal conductivity elastomer, resistance is low and stablizes.Not only have preferably hot
Energy, electric conductivity, mechanical performance, and production cost is low, and economy is more preferable, while volume is more compact.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of high heat-conductivity conducting elastomer of the present invention.
Fig. 2 is the compressed structural schematic diagram one of high heat-conductivity conducting elastomer of the present invention.
Fig. 3 is the compressed structural schematic diagram two of high heat-conductivity conducting elastomer of the present invention.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention is described further with reference to the accompanying drawing.
As shown in Figure 1, high heat-conductivity conducting elastomer of the invention includes the first thermal conductivity foil body 1, the second thermal conductivity
Foil body 2, the first thermal conductivity foil body 1, the second thermal conductivity foil body 2 be copper foil or aluminium foil or phase-change heat-storage material layer or
Thermally conductive gel layer thermally conductive is led by the first thermal conductivity foil body 1, the laying stacked on top of one another of the second thermal conductivity foil body 2, and first
Gap 3 is equipped between electric foil body 1, the second thermal conductivity foil body 2；Thermal conductivity elastomer 4 and foam are set in gap 3 simultaneously
5.Wherein, thermal conductivity elastomer 4 is carbon fiber film or electrographite piece or Graphite cloth or graphite paper or copper
Foil or graphene or aluminium foil it is regular by array-like or it is wavy folding be extruded from.Foam 5 is PU foam or silicon
Calymma cotton.
When realizing longitudinal thermally conductive function, as shown in Fig. 2, heat is transmitted to the first thermal conductivity foil by the interface that generates heat first
It on body 1, then conducts to thermal conductivity elastomer 4 and foam 5, the height of 1 horizontal direction of the first thermal conductivity foil body is relied on to lead
Thermal energy power, heat are quickly transmitted to the second thermal conductivity foil body 2 in the horizontal direction, and the second thermal conductivity foil body 2 receives heat
After amount, heat is quickly transmitted to heat dissipation interface.
When realizing conducting function, thermally conductive led as shown in Fig. 2, electric current directly passes to second from the first thermal conductivity foil body 1
Electric foil body 2, between the first thermal conductivity foil body 1, the second thermal conductivity foil body 2 with thermal conductivity elastomer 4 transmit, resistance it is low and
Stablize.Not only having better hot property, electric conductivity, mechanical performance, damping resilience performance is more preferable, and production cost is low,
Economy is more preferable, while volume is more compact.
In another embodiment, as shown in figure 3, back can also be equipped in the lower surface of the second thermal conductivity foil body 2
Colloid 6, gum body 6 are double-sided adhesive or bond plies, and during installation, gum body 6 can preferably fix high heat-conductivity conducting
Elasticity, structure installation are stronger.
The foregoing is a specific embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (5)
1. high heat-conductivity conducting elastomer characterized by comprising the first thermal conductivity foil body, the second thermal conductivity foil body, it is described
First thermal conductivity foil body, the second thermal conductivity foil body laying stacked on top of one another, the first thermal conductivity foil body, second thermally conductive are led
Gap is equipped between electric foil body；Thermal conductivity elastomer, the thermal conductivity elastomer are arranged in the gap；Foam, institute
Foam is stated to be arranged in the gap.
2. high heat-conductivity conducting elastomer described in claim 1, which is characterized in that the first thermal conductivity foil body, second are led
Thermal conducting foil body is copper foil or aluminium foil or phase-change heat-storage material layer or thermally conductive gel layer.
3. high heat-conductivity conducting elastomer as described in claim 1, which is characterized in that the thermal conductivity elastomer is carbon fiber
Tie up film or electrographite piece or Graphite cloth or graphite paper or copper foil or graphene or aluminium foil.
4. high heat-conductivity conducting elastomer as described in claim 1, which is characterized in that the foam is PU foam or silica gel bubble
Cotton.
5. high heat-conductivity conducting elastomer as described in claim 1, which is characterized in that the following table of the second thermal conductivity foil body
Face is equipped with gum body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910365221.1A CN110010267A (en) | 2019-04-30 | 2019-04-30 | A kind of high heat-conductivity conducting elastomer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910365221.1A CN110010267A (en) | 2019-04-30 | 2019-04-30 | A kind of high heat-conductivity conducting elastomer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110010267A true CN110010267A (en) | 2019-07-12 |
Family
ID=67175433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910365221.1A Pending CN110010267A (en) | 2019-04-30 | 2019-04-30 | A kind of high heat-conductivity conducting elastomer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110010267A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113395875A (en) * | 2021-05-25 | 2021-09-14 | 深圳市卓汉材料技术有限公司 | Heat conducting component |
-
2019
- 2019-04-30 CN CN201910365221.1A patent/CN110010267A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113395875A (en) * | 2021-05-25 | 2021-09-14 | 深圳市卓汉材料技术有限公司 | Heat conducting component |
| CN113395875B (en) * | 2021-05-25 | 2022-07-26 | 深圳市卓汉材料技术有限公司 | Heat conducting component |
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