CN208041625U - A kind of high-efficiency heat radiation structure of LED light - Google Patents

Abstract

The utility model discloses a kind of high-efficiency heat radiation structures of LED light, the utility model includes mounting head, intermediate, heat dissipation cavity, ventilation opening wherein in mounting head, intermediate body cavity and heat dissipation cavity are connection aeration structure, so when mounted on the fan work of heat dissipation cavity bottom, to dry upwards, accelerate air flowing, heat dissipation cavity outer surface is equipped with circuit board simultaneously, thermal conductive silicon rubber cushion is equipped between circuit board and heat dissipation cavity, it is passed in heat dissipation cavity by heat conductive silica gel dig pass so lighting bulb illumination is fever, heat is taken out of ventilation opening by fan, realize heat dissipation, therefore, the utility model is simple in structure, accelerate air circulation by the fan inside lamp body, realize high-efficient radiating function.

Description

A kind of high-efficiency heat radiation structure of LED light

Technical field

The utility model is related to lamps and lanterns radiating device technical field, specially a kind of high-efficiency heat radiation structure of LED light.

Background technology

In recent years, the technology in relation to LED illumination is quickly grown, high-power LED illumination oneself through having entered the application stage, but It is that heat dissipation problem always is one of stagnant key problem to be solved of high-power LED illumination.Present high-power LED illumination product In, heat generally passes through two processes from chip to air:Heat transfer, heat leakage.First, the heat that chip generates is with heat transfer Mode, by gold thread, circuit board, substrate (aluminium base, ceramic base etc.), heat-conducting glue (pad) etc., be rapidly transferred to radiator or Heat pipe.Either heat pipe is exposed in air by convection current or radiation and air generation heat exchange for radiator, to dissipate heat It loses.As it can be seen that radiator or heat pipe are the end interfaces that LED high-power illuminations product carries out heat exchange with air, they How is heat exchanger effectiveness, directly affects the heat dissipation performance of product.

Therefore, existing radiator, the purpose is under conditions of as light as possible, pursue physics cooling surface area mostly It maximizes, to realize highest heat exchanger effectiveness.But common problem is the weight for having ignored air flowing for heat dissipation performance The property wanted only is unable to reach best heat dissipation effect by heat loss through radiation, so passing through sky after needing a kind of heat transfer by generation Flow of air carries out high efficiency and heat radiation.

Utility model content

The purpose of this utility model is to provide a kind of high-efficiency heat radiation structures of LED light, to solve in above-mentioned background technology The problem of proposition.

To achieve the above object, the utility model provides the following technical solutions：

A kind of high-efficiency heat radiation structure of LED light, including lamp body, the lamp body include mounting head, intermediate, heat dissipation cavity, institute It states mounting head and is fixed at intermediate upper surface, the mounting head outer peripheral surface is provided with external screw thread, the mounting head upper end Face periphery is provided with several ventilation openings, and lamp holder is provided among the mounting head upper surface, the lamp holder connection in the mounting head Flexible cord pipe one end, bottom is provided with gland in the intermediate, and the flexible cord pipe other end is connect with gland, the centre Lower section is provided with heat dissipation cavity among body, and cable tube is arranged in left and right sides wall in the heat dissipation cavity, is equipped in the spool hollow Spool chamber, the heat dissipation cavity bottom are provided with pedestal, are provided with fan above the pedestal, the heat dissipation cavity outer surface is provided with Thermal conductive silicon rubber cushion, the thermal conductive silicon rubber cushion peripheral hardware are equipped with wiring board, and several lighting bulbs, the photograph are equipped on the wiring board Bright lamp bubble is outer to be provided with lampshade.

Preferably, the ventilation opening in the mounting head, intermediate intracoelomic cavity and heat dissipation cavity are connection aeration structure.

Preferably, flexible cord pipe lower end communication line tube chamber upper end.

Preferably, the wiring board is fixed on heat dissipation cavity outer surface by threaded hole.

Preferably, the fan bottom is provided with beam.

Compared with prior art, the utility model has the beneficial effects that：The utility model includes mounting head, and intermediate dissipates Hot chamber, ventilation opening, intermediate body cavity and heat dissipation cavity wherein in mounting head are connection aeration structure, so being mounted on heat dissipation cavity bottom When the fan work in portion, to dry upwards, accelerate air flowing, while heat dissipation cavity outer surface is equipped with circuit board, circuit Thermal conductive silicon rubber cushion is equipped between plate and heat dissipation cavity, so lighting bulb illumination is fever passs heat dissipation cavity by heat conductive silica gel dig pass It is interior, ventilation opening out of is taken heat by fan, realizes heat dissipation, therefore, the utility model is simple in structure, passes through the wind inside lamp body Fan accelerates air circulation, realizes high-efficient radiating function.

Description of the drawings

Fig. 1 is a kind of structural schematic diagram of the high-efficiency heat radiation structure of LED light；

Fig. 2 is a kind of structural schematic diagram of the mounting head vertical view of the high-efficiency heat radiation structure of LED light.

In figure：1- lamp bodies, 2- glands, 3- lampshades, 4- lighting bulbs, 5- wiring boards, 6- thermal conductive silicon rubber cushions, 7- spools, 8- spool chambers, 9- pedestals, 10- fans, 11- ventilation openings, 12- heat dissipation cavities, 13- intermediates, 14- external screw threads, 15- mounting heads, 16- Flexible cord pipe, 17- lamp holders.

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.

~2 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of high-efficiency heat radiation structure of LED light, including Lamp body 1, the lamp body 1 include mounting head 15, intermediate 13, heat dissipation cavity 12, and the mounting head 15 is fixed at intermediate 13 Upper surface, 15 outer peripheral surface of the mounting head are provided with external screw thread 14, and 15 upper surface periphery of the mounting head is provided with several logical Air port 11 is provided with lamp holder 17 among 15 upper surface of the mounting head, and the lamp holder 17 in the mounting head 15 connects flexible cord pipe 16 One end, bottom is provided with gland 2 in the intermediate 13, and 16 other end of flexible cord pipe is connect with gland 2, the centre Lower section is provided with heat dissipation cavity 12 among body 13, and cable tube 7 is arranged in left and right sides wall in the heat dissipation cavity 12, is set in the spool 7 There are hollow spool chamber 8,12 bottom of the heat dissipation cavity to be provided with pedestal 9,9 top of the pedestal is provided with fan 10, described to dissipate 12 outer surface of hot chamber is provided with thermal conductive silicon rubber cushion 6, is provided with wiring board 5 outside the thermal conductive silicon rubber cushion 6, pacifies on the wiring board 5 Equipped with several lighting bulbs 4, lampshade 3 is provided with outside the lighting bulb 4.

Ventilation opening 11,13 inner cavity of intermediate and heat dissipation cavity 12 in the mounting head 15 are connection aeration structure, are realized Air circulation.

Circuit connection is realized in 16 lower end communication line tube chamber of the flexible cord pipe, 8 upper end.

The wiring board 5 is fixed on 12 outer surface of heat dissipation cavity by threaded hole.

10 bottom of the fan is provided with beam, and the work of fan 10 is prevented to be affected.

The operation principle of the utility model is：The utility model includes mounting head 15, intermediate 13, heat dissipation cavity 12, wherein Ventilation opening 11, intermediate body cavity and heat dissipation cavity 12 in mounting head 15 are connection aeration structure, and circuit is equipped with outside heat dissipation cavity 12 Plate 5 is equipped with several lighting bulbs 4 on wiring board 5, thermal conductive silicon rubber cushion 6 is provided with before wiring board 5 and heat dissipation cavity 12, therefore, The luminous heat generated of lighting bulb 4 is transmitted to by thermal conductive silicon rubber cushion 6 in heat dissipation cavity 12, and fan 10, will to up-draught at this time Heat is taken away from from ventilation opening 11, realizes high efficiency and heat radiation.

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.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiment being appreciated that.

Claims (5)

1. a kind of high-efficiency heat radiation structure of LED light, including lamp body（1）, it is characterised in that：The lamp body（1）Including mounting head （15）, intermediate（13）, heat dissipation cavity（12）, the mounting head（15）It is fixed at intermediate（13）Upper surface, the installation Head（15）Outer peripheral surface is provided with external screw thread（14）, the mounting head（15）Upper surface periphery is provided with several ventilation openings（11）, The mounting head（15）Lamp holder is provided among upper surface（17）, the mounting head（15）Interior lamp holder（17）Connect flexible cord pipe （16）One end, the intermediate（13）Interior bottom is provided with gland（2）, the flexible cord pipe（16）The other end and gland（2） Connection, the intermediate（13）Intermediate lower section is provided with heat dissipation cavity（12）, the heat dissipation cavity（12）Interior left and right sides wall is provided with Spool（7）, the spool（7）It is interior to be equipped with hollow spool chamber（8）, the heat dissipation cavity（12）Bottom is provided with pedestal（9）, described Pedestal（9）Top is provided with fan（10）, the heat dissipation cavity（12）Outer surface is provided with thermal conductive silicon rubber cushion（6）, the thermal conductive silicon Rubber cushion（6）It is provided with wiring board outside（5）, the wiring board（5）On several lighting bulbs are installed（4）, the lighting bulb（4） It is provided with lampshade outside（3）.

2. a kind of high-efficiency heat radiation structure of LED light according to claim 1, it is characterised in that：The mounting head（15）It is interior Ventilation opening（11）, intermediate（13）Inner cavity and heat dissipation cavity（12）To be connected to aeration structure.

3. a kind of high-efficiency heat radiation structure of LED light according to claim 1, it is characterised in that：The flexible cord pipe（16）Under Hold communication line tube chamber（8）Upper end.

4. a kind of high-efficiency heat radiation structure of LED light according to claim 1, it is characterised in that：The wiring board（5）Pass through Threaded hole is fixed on heat dissipation cavity（12）Outer surface.

5. a kind of high-efficiency heat radiation structure of LED light according to claim 1, it is characterised in that：The fan（10）Bottom It is provided with beam.