CN206929746U - A kind of waterproof radiating structure of lamp power - Google Patents
A kind of waterproof radiating structure of lamp power Download PDFInfo
- Publication number
- CN206929746U CN206929746U CN201720769237.5U CN201720769237U CN206929746U CN 206929746 U CN206929746 U CN 206929746U CN 201720769237 U CN201720769237 U CN 201720769237U CN 206929746 U CN206929746 U CN 206929746U
- Authority
- CN
- China
- Prior art keywords
- fin
- shell
- heat
- closure material
- radiating structure
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of waterproof radiating structure of lamp power, including shell, power supply module is provided with described shell, described power supply module includes chip board 1 and the component being arranged on the chip board 1, described component is provided with the first fin, filled in described shell and be provided with closure material, described closure material is full of the inner chamber of whole shell, and described power supply module is completely submerged in described closure material.The cooperation that the utility model passes through fin, closure material and heat-conduction insulation spacer, good water resistance can either be reached, superior heat sinking function can also be realized, quickly heat is oriented to outside shell, ensure that the operating temperature of component will not be too high, so as to improve overall reliability, increase the service life.
Description
Technical field
It the utility model is related to a kind of waterproof radiating structure of lamp power.
Background technology
In the power supply module of existing light fixture, in most cases, the component such as metal-oxide-semiconductor is temperature highest device.
General power more than 10w component it is exposed in atmosphere when just need to load fin, to pass through cross-ventilation and radiation
Chip temperature in power supply module is distributed, it is ensured that chip temperature will not be too high, and the component of more power needs to load
Greater area of fin ensures that chip temperature will not be too high（The devices such as transformer, other integrated circuits in power supply are certainly
Body operating temperature can't influence its shelf-life when higher but the devices such as the electrochemical capacitor on periphery can be caused to be operated in higher temperature
Under, and then influence the working life of other devices or cause line fault）.
In order to improve the water resistance of light fixture, generally require to carry out encapsulating to light fixture, all devices are all in encapsulating power supply
Closed by casting mass, heat is conducted to casting mass by radiator, and heat is conducted to shell by casting mass again, and shell again will
Heat is conducted to air and produces convection current to radiate, therefore causes the heat of the components such as metal-oxide-semiconductor, transformer, other integrated circuits
It can not more discharge, operating temperature is higher, and then influences life-span and the fault rate of other devices.
The content of the invention
In order to overcome the above-mentioned deficiency of existing light fixture, the utility model provides a kind of waterproof radiating structure of lamp power.
The technical scheme in the invention for solving the technical problem is：A kind of waterproof radiating structure of lamp power, including
Shell, described shell is interior to be provided with power supply module, and described power supply module includes chip board 1 and is arranged on the chip board 1
Component, described component are provided with the first fin, are filled in described shell and be provided with closure material, described closure material
Inner chamber full of whole shell, described power supply module are completely submerged in described closure material.
Further, described shell is metal shell, is provided with heat-conduction insulation spacer in described metal shell, described leads
Heat insulation pad is close to the inwall of the metal shell, and the first described fin is laterally set, and the one of first fin
Described heat-conduction insulation spacer is close at end, and described heat-conduction insulation spacer and the first fin are completely submerged in described closure
In material.
Further, described shell is plastic casing, is provided with heat-conduction insulation spacer in described plastic casing, described the
One fin is longitudinally disposed, and described heat-conduction insulation spacer is close to the upper end of first fin, the heat conductive insulating pad
The upper end of piece is additionally provided with the second fin, and described heat-conduction insulation spacer and the first fin are completely submerged in described closure
In material, the second fin part is immersed in described closure material, and another part is exposed in atmosphere.
Further, the first described fin is made of metal.
Further, the second described fin is made of metal.
Further, described closure material is heat conductive silica gel.
The beneficial effects of the utility model are：, can by the cooperation of fin, closure material and heat-conduction insulation spacer
Enough reach good water resistance, superior heat sinking function can also be realized, quickly heat is oriented to outside shell, it is ensured that member
The operating temperature of device will not be too high, so as to improve overall reliability, increases the service life.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment one.
Fig. 2 is the structural representation of embodiment two.
Fig. 3 is the sectional view of embodiment two.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Embodiment one
Reference picture 1, a kind of waterproof radiating structure of lamp power, including shell, described shell is interior to be provided with power supply module,
Described power supply module includes chip board 1 and the component 2 being arranged on the chip board 1, and described component 2 is provided with first
Fin 3, interior fill of described shell are provided with closure material（Not shown in figure）, described closure material is interior full of whole shell
Chamber, described power supply module are completely submerged in described closure material.
In the present embodiment, described shell is metal shell 5, and heat-conduction insulation spacer 6 is provided with described metal shell 5,
Described heat-conduction insulation spacer 6 is close to the inwall of the metal shell 5, and described the first fin 3 is laterally set, and described first
It is close to described heat-conduction insulation spacer 6, the leaching completely of the described fin 3 of heat-conduction insulation spacer 6 and first in one end of fin 3
Not in described closure material.
Preferably, the first described fin 3 is made of metal, the fin of metal material can play preferably conduction and
Distribute the effect of heat.Described closure material is heat conductive silica gel.
In the case that embodiment one is applied to metal shell 5, good thermal conduction characteristic is had according to metal shell 5, passed through
First fin 3 leads down the heat of the component 2 on power supply module on metal shell 5, and then evaporate into sky by metal shell 5
In gas.By the heat-conduction insulation spacer 6 set between the first fin 3 and metal shell 5, so as to can be played in electric leakage every
From effect, prevent that metal shell 5 is powered, ensure the safety of user.Also, the present embodiment is filled with closure in metal shell 5
Material, so that the power supply module of the light fixture possesses good water resistance.
Embodiment two
2~Fig. 3 of reference picture, a kind of waterproof radiating structure of lamp power, including shell, described shell is interior to be provided with power supply
Component, described power supply module include chip board 1 and the component 2 being arranged on the chip board 1, set on described component 2
There is the first fin 3, filled in described shell and be provided with closure material（Not shown in figure）, described closure material is full of whole outer
The inner chamber of shell, described power supply module are completely submerged in described closure material.
In the present embodiment, described shell is plastic casing 7, and heat-conduction insulation spacer 6 is provided with described plastic casing 7,
The first described fin 3 is longitudinally disposed, and described heat-conduction insulation spacer 6 is close to the upper end of first fin 3, described
The upper end of heat-conduction insulation spacer 6 is additionally provided with the second fin 4, the leaching completely of the described fin 3 of heat-conduction insulation spacer 6 and first
Not in described closure material, the part of the second fin 4 is immersed in described closure material, and another part is exposed
In atmosphere.
Preferably, the first described fin 3 is made of metal, and the second described fin 4 is made of metal, metal material
The fin of matter can play a part of preferably conducting and distributing heat.Described closure material is heat conductive silica gel, heat conductive silica gel
It is in a liquid state before this when in use, is in solid-state after solidification, so as to play sealing function.
In the case that embodiment two is applied to plastic casing 7, according to the poor heat conduction of plastic casing 7, so can not pass through
Shell reaches radiating purpose.Therefore, the present embodiment matching somebody with somebody by the first fin 3, the second fin 4 and heat-conduction insulation spacer 6
Closing, the heat on component 2 is directed at the second fin 4 via the first fin 3, and finally by barish second fin
4, by the air of conduct heat away to outside, realize heat sinking function.By being set between the first fin 3 and the second fin 4
Heat-conduction insulation spacer 6, so as to electric leakage when can play buffer action, prevent that the second fin 4 is powered, ensure the peace of user
Entirely.Also, the present embodiment is filled with closure material in plastic casing 7, so that the power supply module of the light fixture possesses well
Water resistance.
Claims (6)
1. a kind of waterproof radiating structure of lamp power, including shell, described shell is interior to be provided with power supply module, described power supply
Component includes chip board and the component being arranged on the chip board, it is characterised in that：Described component is provided with first and dissipated
Backing, interior fill of described shell are provided with closure material, described inner chamber of the closure material full of whole shell, described power supply group
Part is completely submerged in described closure material.
2. the waterproof radiating structure of lamp power according to claim 1, it is characterised in that：Described shell is outside metal
Shell, described metal shell is interior to be provided with heat-conduction insulation spacer, and described heat-conduction insulation spacer is close to the inwall of the metal shell,
The first described fin is laterally set, and described heat-conduction insulation spacer is close in one end of first fin, and described leads
Heat insulation pad and the first fin are completely submerged in described closure material.
3. the waterproof radiating structure of lamp power according to claim 1, it is characterised in that：Described shell is outside plastics
Shell, described plastic casing is interior to be provided with heat-conduction insulation spacer, and the first described fin is longitudinally disposed, described heat conductive insulating pad
Piece is close to the upper end of first fin, and the upper end of the heat-conduction insulation spacer is additionally provided with the second fin, and described leads
Heat insulation pad and the first fin are completely submerged in described closure material, and the second fin part is immersed in
In described closure material, another part is exposed in atmosphere.
4. the waterproof radiating structure of lamp power according to claim 1, it is characterised in that：The first described fin by
Metal is made.
5. the waterproof radiating structure of lamp power according to claim 3, it is characterised in that：The second described fin by
Metal is made.
6. the waterproof radiating structure of lamp power according to claim 1, it is characterised in that：Described closure material is to lead
Hot silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720769237.5U CN206929746U (en) | 2017-06-29 | 2017-06-29 | A kind of waterproof radiating structure of lamp power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720769237.5U CN206929746U (en) | 2017-06-29 | 2017-06-29 | A kind of waterproof radiating structure of lamp power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206929746U true CN206929746U (en) | 2018-01-26 |
Family
ID=61353380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720769237.5U Expired - Fee Related CN206929746U (en) | 2017-06-29 | 2017-06-29 | A kind of waterproof radiating structure of lamp power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206929746U (en) |
-
2017
- 2017-06-29 CN CN201720769237.5U patent/CN206929746U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180126 Termination date: 20210629 |