CN208078021U - A kind of composite silica glue gasket for great power LED - Google Patents

Abstract

The utility model discloses a kind of composite silica glue gaskets for great power LED, including horizontally disposed heat-conducting plate and glass reinforcing layer, the glass reinforcing layer is arranged in the top of heat-conducting plate, and glass reinforcing layer lower end is provided with several thermal troughs, the upper end of the heat-conducting plate is provided with several heat conduction protrusions, the heat conduction protrusion is correspondingly arranged in thermal trough, the upper end of glass reinforcing layer is provided with several heat conduction items, and glass reinforcing layer upper surface and the upper surface of heat conduction item are both provided with insulating protective layer, glass reinforcing layer upper and lower ends by silica gel adhesion coating respectively with heat conduction item, heat-conducting plate connects, stable structure, it can realize rapid cooling function, it ensure that the normal working performance of great power LED and the reliability of great power LED.

Description

A kind of composite silica glue gasket for great power LED

Technical field

The utility model is related to great power LED cooling technical fields, specially a kind of composite silica for great power LED Glue gasket.

Background technology

In recent years, with the rapid development of semiconductor LED technology, LED illumination has been to be concerned by more and more people and payes attention to, LED is that the development trend of the following illumination still passes due to having many advantages, such as that energy-saving and environmental protection, operating voltage are low, service life is long The disadvantage that the low-power LED brightness of system is low is difficult to meet the needs of actual illumination, and therefore, the use scope of great power LED is more next Wider, still, since great power LED will produce a large amount of heat during the work time, these heats are gathered in great power LED Portion can directly result in itself performance and reliability decrease, so, the heat of great power LED generation how is effectively removed, This is related to the service life of great power LED and the reliability of quality.

Traditional cooling means of great power LED has：Natural cooling（Great power LED is closed after a period of use）Either Using the LED shells etc. of bigger, both methods all less gears to actual circumstances, such as natural cooling, and can influence the normal of people makes With；Using the LED shells of bigger, then the size of great power LED can be made larger, be not easy to install, and great power LED can be made Light-gathering be deteriorated, therefore, intensity of illumination can also be affected, this just forces great power LED manufacturer to have to adopt More efficiently cooling measure, heat conductive silica gel gasket is taken to become a kind of widely used auxiliary heat dissipation of great power LED manufacturer Material.

This heat conductive silica gel gasket provided currently on the market is mainly led using a kind of single layer silicon rubber simple in structure Heat pad piece, silicon rubber are a kind of common insulating gasket materials, with performances such as excellent heat-resisting, cold-resistant and resistance to ozone, but There is also deficiencies for heat conduction, anti-corrosion and shock resistance etc. so that and the service life of heat conductive silica gel gasket is shorter, moreover, Existing heat conductive silica gel gasket construction is unstable, is easy under high temperature environment, to fall off phenomenon.

Invention content

In order to overcome the shortcomings of that prior art, the utility model provide a kind of composite silica for great power LED Glue gasket, stable structure can realize rapid cooling function, ensure that the normal working performance of great power LED and high-power The reliability of LED, and can effectively solve the problem that the problem of background technology proposes.

Technical solution adopted by the utility model to solve its technical problems is：

A kind of composite silica glue gasket for great power LED, including horizontally disposed heat-conducting plate and glass reinforcing layer, institute It states glass reinforcing layer to be arranged in the top of heat-conducting plate, and glass reinforcing layer lower end is provided with several thermal troughs, the heat-conducting plate Upper end is provided with several heat conduction protrusions, and the heat conduction protrusion is correspondingly arranged in thermal trough, and the upper end of glass reinforcing layer is provided with Several heat conduction items, and glass reinforcing layer upper surface and the upper surface of heat conduction item are both provided with insulating protective layer, glass reinforcing layer Upper and lower ends are connect with heat conduction item, heat-conducting plate respectively by silica gel adhesion coating.

Further, the lower surface of the heat-conducting plate is provided with coating aluminium layer.

Further, the glass reinforcing layer is internally provided with honeycomb core interlayer, and if the honeycomb core interlayer include Dry honeycomb hole.

Further, the heat conduction undulate, and it is provided with ventilation gap between two neighboring heat conduction item.

Further, the heat-conducting plate is using vinyl silicone oil as heat conducting base material, and boron nitride, graphite powder are as heat conduction A series of agent, made of processing technologys.

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

The utility model is enhanced the impact resistance of the composite silica glue gasket, is made by the setting of glass reinforcing layer Its mechanical strength greatly increases so that the service life of the composite silica glue gasket extends；Raised by thermal trough and heat conduction Setting so that the overall structure of the composite silica glue gasket is more firm；It is high-power to this by the setting of insulating protective layer LED plays the role of insulation protection, avoids since great power LED electric leakage leads to the generation of safety accident.

Description of the drawings

Fig. 1 is the whole vertical section structure schematic diagram of the utility model；

Fig. 2 is the overlooking structure diagram of the utility model.

Figure label：

1- heat-conducting plates；2- glass reinforcing layers；3- thermal troughs；4- heat conduction protrusions；5- heat conduction items；6- insulating protective layers；7- silicon Adhesive layer；8- coats aluminium layer；9- honeycomb core interlayers；10- honeycomb holes；11- ventilation gaps.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

As depicted in figs. 1 and 2, the utility model provides a kind of composite silica glue gasket for great power LED, including Horizontally disposed heat-conducting plate 1 and glass reinforcing layer 2,1 lower end of heat-conducting plate are connect with high power LED substrate surface, are realized to big work( The function that rate LED substrate surface heat quickly conducts, 1 rear surface of heat-conducting plate is smooth, in same level, to ensure Heat-conducting plate 1 and high power LED substrate stable connection, glass reinforcing layer 2 are using made of glass fiber material, and glass fibre is A kind of inorganic non-metallic material haveing excellent performance, with good insulating, heat resistance is strong, corrosion resistance is good, high mechanical strength excellent Point can be such that the shock resistance of the composite silica glue gasket greatly enhances by the setting of glass reinforcing layer 2, to extend it Service life, the glass reinforcing layer 2 is arranged in the top of heat-conducting plate 1, and 2 lower end of glass reinforcing layer is provided with several thermal troughs 3, the upper end of the heat-conducting plate 1 is provided with several heat conduction protrusions 4, and the heat conduction protrusion 4 is correspondingly arranged in thermal trough 3, passes through The setting of heat conduction protrusion 4 and thermal trough 3, the two are connected, and glass reinforcing layer 2 and the connection of heat-conducting plate 1 can be made more firm, The upper end of glass reinforcing layer 2 is provided with several heat conduction items 5, and the setting of heat conduction item 5 further enhances the composite silica glue gasket Heat conductivility, the speed quickly scattered and disappeared of heat for generating great power LED work is improved, to ensure that this is high-power LED steady operation performances, and 2 upper surface of glass reinforcing layer and the upper surface of heat conduction item 5 are both provided with insulating protective layer 6, absolutely Edge protective layer 6 is made of PVC material, is played the role of insulation protection to the great power LED, is avoided due to great power LED Break down cause electric leakage etc. safety accidents generation, 2 upper and lower ends of glass reinforcing layer by silica gel adhesion coating 7 respectively with heat conduction item 5, heat-conducting plate 1 connects, and passes through the setting of silica gel adhesion coating 7 so that the connection between glass reinforcing layer 2 and heat conduction item 5, heat-conducting plate 1 It is relatively reliable, it avoids heat conduction item 5 or heat-conducting plate 1 from falling off from glass reinforcing layer 2, extends the use of the composite silica glue gasket Service life；Moreover, silica gel adhesion coating 7 also has certain heat conductivility.

The lower surface of the heat-conducting plate 1 is provided with coating aluminium layer 8, since aluminum material has good heat conductivility so that The setting for coating aluminium layer 8, accelerates the speed of heat transfer, can be quickly by high power LED substrate when great power LED works The heat of upper generation is quickly spread out of, and heat is avoided to assemble on high power LED substrate.

The glass reinforcing layer 2 is internally provided with honeycomb core interlayer 9, and the honeycomb core interlayer 9 includes several honeycombs Hole 10, the setting of honeycomb core interlayer 9, on the one hand, reduce the production material needed for glass reinforcing layer 2 so that the composite silica The overall weight of glue gasket mitigates, to alleviate the burden that great power LED is born；On the other hand, honeycomb hole 10 plays The effect of heat dissipation ventilation, improves heat dissipation effect.

5 undulate of heat conduction item, and ventilation gap 11, waveform heat conduction are provided between two neighboring heat conduction item 5 Item 5 so that the heat conduction range of the composite silica glue gasket greatly increases, to accelerate heat loss speed；Ventilation gap 11 Setting, accelerate between heat conduction item 5 air flowing, realize further ventilation and heat effect.

The heat-conducting plate 1 is using vinyl silicone oil as heat conducting base material, and boron nitride, graphite powder are as thermal conducting agent, through a system Made of row processing technology.

The processing flow of heat-conducting plate 1 is as follows：

（1）After boron nitride, graphite powder and vinyl silicone oil are matched according to a certain percentage, it is added in stirred tank and is mixed Close uniform stirring；

（2）Crosslinking agent and vulcanizing agent are added into the stirred tank in step 1, continues to be mixed；

（3）The sizing material that step 2 obtains is passed sequentially through into calendering, vulcanizing treatment；

（4）By step 3, treated that product carries out cutting processing, molding.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation Involved claim.

Claims (5)

1. a kind of composite silica glue gasket for great power LED, it is characterised in that：Including horizontally disposed heat-conducting plate (1) and Glass reinforcing layer (2), glass reinforcing layer (2) setting is in the top of heat-conducting plate (1), and glass reinforcing layer (2) lower end is arranged There are several thermal troughs (3), the upper end of the heat-conducting plate (1) to be provided with several heat conduction protrusions (4), the heat conduction raised (4) is corresponding In thermal trough (3), the upper end of glass reinforcing layer (2) is provided with several heat conduction items (5), and glass reinforcing layer (2) upper table for setting Face and the upper surface of heat conduction item (5) are both provided with insulating protective layer (6), and glass reinforcing layer (2) upper and lower ends are viscous by silica gel Layer (7) is connect with heat conduction item (5), heat-conducting plate (1) respectively.

2. a kind of composite silica glue gasket for great power LED according to claim 1, it is characterised in that：It is described to lead The lower surface of hot plate (1) is provided with coating aluminium layer (8).

3. a kind of composite silica glue gasket for great power LED according to claim 1, it is characterised in that：The glass Fine reinforcing layer (2) is internally provided with honeycomb core interlayer (9), and the honeycomb core interlayer (9) includes several honeycomb holes (10).

4. a kind of composite silica glue gasket for great power LED according to claim 1, it is characterised in that：It is described to lead Hot item (5) undulate, and ventilation gap (11) is provided between two neighboring heat conduction item (5).

5. a kind of composite silica glue gasket for great power LED according to claim 1, it is characterised in that：It is described to lead Hot plate (1) is using vinyl silicone oil as heat conducting base material, and boron nitride, graphite powder are as thermal conducting agent, through a series of processing technology systems At.