CN207731953U - A kind of LED heat-conducting silica gel sheets - Google Patents

A kind of LED heat-conducting silica gel sheets Download PDF

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Publication number
CN207731953U
CN207731953U CN201721829214.5U CN201721829214U CN207731953U CN 207731953 U CN207731953 U CN 207731953U CN 201721829214 U CN201721829214 U CN 201721829214U CN 207731953 U CN207731953 U CN 207731953U
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heat
silica gel
layer
heat conduction
conducting silica
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陈晓海
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Shenzhen Jintian Electronic Co Ltd
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Shenzhen Jintian Electronic Co Ltd
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Abstract

The utility model belongs to heat conducting element equipment technical field, it discloses and is related to a kind of LED heat-conducting silica gel sheets, including the waterproof layer set gradually from top to bottom, heat dissipation ventilation layer, heat-sink shell, polyamide film, heat conduction silicone, PET net line protection film layer, the lower surface of the waterproof layer is bonded with the upper surface of the heat dissipation ventilation layer, the lower surface of the heat dissipation ventilation layer is bonded with the upper surface of the heat-sink shell, the lower surface of the heat-sink shell is bonded with the upper surface of the polyamide film, the lower surface of the polyamide film is bonded with the upper surface of the heat conduction silicone, the lower surface of the heat conduction silicone is bonded with the upper surface of the PET net line protection film layer.The utility model makes heat-conducting silica gel sheet have extremely good heat conduction and heat radiation effect by the way that raised line is arranged in heat conduction silicone, heat conduction connection structure is arranged in side and adds heat dissipation ventilation layer, heat-sink shell.

Description

A kind of LED heat-conducting silica gel sheets
Technical field
The utility model belongs to heat conducting element equipment technical field, and in particular to a kind of LED heat-conducting silica gel sheets.
Background technology
With the development of industrial society, flourishing for the technology of various electronic device fields and new energy field is right The heat dissipation technology of new energy field of batteries in electronic device field and field of new energy technologies especially new energy field Development increasingly becomes the bottleneck for restricting the relevant technologies development.
Connector especially conductive structure between the construction applications such as electronics, electric appliance and new energy battery, each structure It needs very strong performance, structural requirement thermally conductive sheet to need heat conduction, insulation, buffering, but concussion, impact to be avoided to cause material simultaneously It is pierced and leads to short-circuit conduction.Heat-conducting silica gel sheet is using silica gel as base material, and the various auxiliary materials such as addition metal oxide pass through spy A kind of heat-conducting medium material of different technique synthesis, in industry, also known as thermal conductive silicon rubber cushion, heat conduction silica gel piece, soft heat conductive pad Etc., it is to be produced exclusively for the design scheme for transmitting heat using gap, it being capable of blind, completion heating position and radiating part Interdigit heat transmit, while also act as insulation, damping, sealing the effects that, disclosure satisfy that device miniaturization and the design of ultrathin It is required that be great craftsmanship and usability, and thickness is applied widely, is a kind of splendid conductive filler material.
But traditional heat-conducting silica gel sheet heat conductivility is poor, poor waterproof properties, is easy short circuit, thermal resistance height, greatly reduces The effect of heat-conducting silica gel sheet, from the scope of application for limiting heat-conducting silica gel sheet, it is difficult to meet the needs of user and market, The development speed of heat-conducting silica gel sheet is slowed down simultaneously.
Invention content
The utility model aim is to provide a kind of LED heat-conducting silica gel sheets, to solve mentioned above in the background art ask Topic, the heat-conducting silica gel sheet such as have a heat dissipation heat-conducting effect are excellent at the advantages.
In order to achieve the above objectives, the utility model uses following technical scheme:
A kind of LED heat-conducting silica gel sheets, including the waterproof layer, heat dissipation ventilation layer, heat-sink shell, poly- that sets gradually from top to bottom Amide film layer, heat conduction silicone, PET net line protection film layer, the lower surface of the waterproof layer are upper with the heat dissipation ventilation layer Surface is bonded, and the lower surface of the heat dissipation ventilation layer is bonded with the upper surface of the heat-sink shell, the lower surface of the heat-sink shell and The upper surface of the polyamide film is bonded, the upper surface of the lower surface of the polyamide film and the heat conduction silicone Fitting, the lower surface of the heat conduction silicone is bonded with the upper surface of the PET net line protection film layer.
Further, there is a plurality of raised line side by side on the surface of the heat conduction silicone.
Further, the heat conduction silicone is by silica gel basis material and the solid high fever being filled in silica gel basis material Conductance particle is constituted.
Further, the solid high heat conductance particle is silver powder.
Further, the waterproof layer, heat dissipation ventilation layer, heat-sink shell, polyamide film, heat conduction silicone, PET net line The side of protection film layer is both provided with several heat conduction connection structures.
Further, the heat conduction connection structure is both provided with Gold plated Layer.
Further, the heat dissipation ventilation layer is internally provided with heat dissipation ventilation net, and heat dissipation ventilation net offers heat dissipation Ventilation opening.
Further, the thickness of the waterproof layer is 10 ~ 30 μm, and the thickness of the heat dissipation ventilation layer is 20 ~ 50 μm.
Further, the thickness of the heat-sink shell is 15 ~ 40 μm, and the thickness of the polyamide film is 40 ~ 100 μm.
Further, the thickness of the heat conduction silicone is 300 ~ 800 μm, and the thickness of the PET net line protection film layer is 20~40μm。
The utility model has the advantages that:
1, the utility model can greatly improve thermal conductive silicon by the way that heat dissipation ventilation layer, heat-sink shell, heat conduction silicone is arranged The heat-conducting effect of film, increases the service life of device, and the use of heat dissipation ventilation net and cooling vent can increase thermal conductive silicon The heat dissipation effect of film.
2, heat conduction silicone is equipped with raised line, can promote integral strength and anti-tear effect, avoids tearing material itself, together The flexible nature of Shi Liyong heat conduction silicones, the peripheral position of raised line, which naturally droops, to be close to, and preferably filling is attached to heater On part, heat-conducting effect is improved, simultaneously because the presence of raised line, two side positions are correspondingly formed air flue, are convenient for air circulation, into one Walk heat radiation performance.
3, the heat conduction connection structure and Gold plated Layer of the utility model can improve radiating efficiency, are conducive to the diffusion of heat, keep away The excessively high phenomenon of local temperature is exempted from.
4, the polyimide film layer that the utility model is added increases product insulating properties and puncture, is not likely to produce short Road.
5, the waterproof layer that the utility model is added makes heat-conducting silica gel sheet have waterproof effect.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model LED heat-conducting silica gel sheets.
Specific implementation mode
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
As shown in Figure 1, a kind of LED heat-conducting silica gel sheets, including the waterproof layer 1, the heat dissipation ventilation that set gradually from top to bottom Layer 2, heat-sink shell 3, polyamide film 4, heat conduction silicone 5, PET net line protection film layer 6, the lower surface of the waterproof layer 1 with The upper surface of the heat dissipation ventilation layer 2 is bonded, and the lower surface of the heat dissipation ventilation layer 2 is bonded with the upper surface of the heat-sink shell 3, The lower surface of the heat-sink shell 3 is bonded with the upper surface of the polyamide film 4, the lower surface of the polyamide film 4 It is bonded with the upper surface of the heat conduction silicone 5, the lower surface of the heat conduction silicone 5 and the PET net line protection film layer 6 Upper surface is bonded.
In a specific embodiment, there is a plurality of raised line 7 side by side on the surface of heat conduction silicone.
Heat conduction silicone is equipped with raised line, can promote integral strength and anti-tear effect, avoids tearing material itself, simultaneously Using the flexible nature of heat conduction silicone, the peripheral position of raised line, which naturally droops, to be close to, and preferably filling is attached to heating device On, heat-conducting effect is improved, simultaneously because the presence of raised line, two side positions are correspondingly formed air flue, are convenient for air circulation, further Heat radiation performance.
Heat conduction silicone is made of silica gel basis material and the solid high heat conductance particle being filled in silica gel basis material, In a specific embodiment, the solid high heat conductance particle is silver powder.Heat conduction silicone is the main body of heat-conducting silica gel sheet Structure has excellent heat-conducting effect.
In a specific embodiment, waterproof layer, heat dissipation ventilation layer, heat-sink shell, polyamide film, heat conductive silica gel Layer, PET net line protection film layer side be both provided with several heat conduction connection structures 8.In a preferred approach, heat conduction connection structure is equal It is provided with Gold plated Layer.
Heat conduction connection structure and Gold plated Layer can improve radiating efficiency, are conducive to the diffusion of heat, avoid local temperature mistake High phenomenon.Heat dissipation ventilation layer is internally provided with heat dissipation ventilation net, and heat dissipation ventilation net offers cooling vent, and heat dissipation is logical The use of wind net and cooling vent can increase the heat dissipation effect of heat-conducting silica gel sheet.
By the way that heat dissipation ventilation layer, heat-sink shell, heat conduction silicone is arranged, the heat conduction effect of heat-conducting silica gel sheet can be greatly improved Fruit increases the service life of device, while heat conduction silicone is radiated, also reduces the thermal resistance of all parts, saves Production cost, improves production efficiency.Compared to existing heat-conducting silica gel sheet, 10 DEG C of effective temperature-reducing of energy or more well solves The heat dissipation problem of LED chip.
After Kapton has done sided corona treatment, colloid and membrane body can be completely laminating, to increase product insulating properties and resist Puncture property avoids bubble and reduces thermal resistance, is not likely to produce short circuit.
The thickness of waterproof layer is 10 ~ 30 μm, and in a specific embodiment, thickness is 22 μm.Waterproof layer makes thermal conductive silicon Film has waterproof effect.
The thickness of heat dissipation ventilation layer is 20 ~ 50 μm, and in a specific embodiment, thickness is 35 μm.
The thickness of heat-sink shell is 15 ~ 40 μm, and in a specific embodiment, thickness is 32 μm.Heat-sink shell is filled with suction Hot material, the heat absorption that can transmit heat-conducting layer, reduces temperature.
The thickness of polyamide film is 40 ~ 100 μm, and in a specific embodiment, thickness is 68 μm.
The thickness of heat conduction silicone is 300 ~ 800 μm, and in a specific embodiment, thickness is 500 μm.
The thickness of PET net line protection film layer is 20 ~ 40 μm, and in a specific embodiment, thickness is 30 μm.
The description of the embodiments and the specification only illustrate the principle of the present utility model and most preferred embodiment, is not taking off Under the premise of from the spirit and scope of the utility model, the utility model also has various changes and improvements, these changes and improvements It both falls in claimed the scope of the utility model.

Claims (8)

1. a kind of LED heat-conducting silica gel sheets, which is characterized in that including set gradually from top to bottom waterproof layer, heat dissipation ventilation layer, Heat-sink shell, polyamide film, heat conduction silicone, PET net line protection film layer, the lower surface of the waterproof layer and the heat dissipation are logical The upper surface of stratification of wind is bonded, and the lower surface of the heat dissipation ventilation layer is bonded with the upper surface of the heat-sink shell, the heat-sink shell Lower surface is bonded with the upper surface of the polyamide film, the lower surface of the polyamide film and the heat conduction silicone Upper surface fitting, the lower surface of the heat conduction silicone is bonded with the upper surface of the PET net line protection film layer;The waterproof If the side of layer, heat dissipation ventilation layer, heat-sink shell, polyamide film, heat conduction silicone, PET net line protection film layer is both provided with Dry heat conduction connection structure;The heat conduction connection structure is both provided with Gold plated Layer.
2. heat-conducting silica gel sheet according to claim 1, which is characterized in that have side by side on the surface of the heat conduction silicone more Raised line.
3. heat-conducting silica gel sheet according to claim 1, which is characterized in that the heat conduction silicone by silica gel basis material and The solid high heat conductance particle being filled in silica gel basis material is constituted.
4. heat-conducting silica gel sheet according to claim 3, which is characterized in that the solid high heat conductance particle is silver powder.
5. heat-conducting silica gel sheet according to claim 1, which is characterized in that the heat dissipation ventilation layer is internally provided with heat dissipation Ventilated net, and heat dissipation ventilation net offers cooling vent.
6. heat-conducting silica gel sheet according to claim 1, which is characterized in that the thickness of the waterproof layer is 10~30 μm, institute The thickness for stating heat dissipation ventilation layer is 20~50 μm.
7. heat-conducting silica gel sheet according to claim 1, which is characterized in that the thickness of the heat-sink shell is 15~40 μm, institute The thickness for stating polyamide film is 40~100 μm.
8. heat-conducting silica gel sheet according to claim 1, which is characterized in that the thickness of the heat conduction silicone is 300~800 μm, the thickness of the PET net line protection film layer is 20~40 μm.
CN201721829214.5U 2017-12-25 2017-12-25 A kind of LED heat-conducting silica gel sheets Active CN207731953U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721829214.5U CN207731953U (en) 2017-12-25 2017-12-25 A kind of LED heat-conducting silica gel sheets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721829214.5U CN207731953U (en) 2017-12-25 2017-12-25 A kind of LED heat-conducting silica gel sheets

Publications (1)

Publication Number Publication Date
CN207731953U true CN207731953U (en) 2018-08-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721829214.5U Active CN207731953U (en) 2017-12-25 2017-12-25 A kind of LED heat-conducting silica gel sheets

Country Status (1)

Country Link
CN (1) CN207731953U (en)

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