CN202371522U - Semiconductor light source - Google Patents
Semiconductor light source Download PDFInfo
- Publication number
- CN202371522U CN202371522U CN2011205738714U CN201120573871U CN202371522U CN 202371522 U CN202371522 U CN 202371522U CN 2011205738714 U CN2011205738714 U CN 2011205738714U CN 201120573871 U CN201120573871 U CN 201120573871U CN 202371522 U CN202371522 U CN 202371522U
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- CN
- China
- Prior art keywords
- radiator
- semiconductor light
- light sources
- sheet
- wiring board
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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.)
- Expired - Fee Related
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The utility model discloses a semiconductor light source, comprising a radiator, wherein the radiator is integrally molded by aluminium base materials and is provided with an opening end and a closing end; a plurality of radiating fins are arranged in an extending manner from the closing end to the same direction, and a gap is arranged between two adjacent radiating fins; a lamp holder is fixedly arranged on the closing end of the radiator; and a circuit board is arranged on the opening end of the radiator, and the upper surface of the circuit board is provided with at least one semiconductor light-emitting body electrically connected with the driving circuit board. The semiconductor light source disclosed by the utility model has the advantages that by adopting the radiator with the radiating fins, the heat generated when the semiconductor light-emitting body works can be radiated rapidly, so that the stability of the semiconductor light-emitting body under the working state is ensured; and the radiator is manufactured by integral stamping of the aluminium base materials, and the semiconductor light source has the advantages of simple structure and simpleness for manufacture.
Description
Technical field
The utility model relates to a kind of lighting, especially relates to a kind of semiconductor light sources.
Background technology
The light fixture that is used at present throw light on can be divided into ordinary light source and energy-conserving light source according to light emitting source; In the energy-conserving light source again with the energy-conserving and environment-protective the most of semiconductor LED light source; Led light source has brightness height, long service life, do not contain virose characteristics such as mercury, is the first-selected lighting sources of environmental protection that various countries, the present whole world generally acknowledge.
LED is a kind of semi-conducting material, and the same with general-purpose diode have PN junction, because the power of high bright diode is relatively big; So it is identical with power semiconductor; Need to consider heat dissipation problem, the too high meeting of junction temperature directly influences the life-span of LED, and can increase the light decay of LED; The meeting that situation is serious burns out LED, becomes one of problem of insider's care so how effectively to improve the radiating effect of LED light fixture.
Traditional LED light fixture only is embedded LED in the radiator that the aluminium material manufacturing forms, and utilizes the aluminium material good performance of heat dissipation, and the heat that LED is produced distributes, and then reduces the temperature that raises when LED works.Especially all can solve heat dissipation problem for the great power LED matrix through disposing large-scale radiator; Yet problem is following: the general power of LED street lamp constantly rises on the one hand; Also do bigger and bigger for increasing its corresponding radiator of area of dissipation; Caused many extra cost expenses, the weight of light fixture also can't be accepted; On the other hand; Because semiconductor light sources also need be installed in the special-purpose lampshade in use; Sometimes or even be placed in one relatively in the cover body of sealing; Because heat can't form convection current with outside air in the cover body of sealing, can only carry out heat transmission seldom through the air of simple radiation and big thermal resistance.
Therefore, even existing LED lamp uses the bigger radiator of area of dissipation, even add on the radiator and put radiator fan; Also can't the heat that the LED lamp sends be taken away rapidly; Finally cause heat to be hoarded on radiator, radiating effect is had a greatly reduced quality, thereby influence the service life of LED lamp.
The utility model content
The main purpose of the utility model is to overcome the not good problem of radiating effect that present LED lamp exists, and a kind of perfect heat-dissipating, the security that improves light source and the semiconductor light sources of reliability are provided.
The utility model adopts following technical scheme to realize: a kind of semiconductor light sources; It comprises: by the integrated radiator of aluminium base; It has openend and closing in end, and towards same direction extension some radiating fins is set from the end that closes up, and is gapped between adjacent two radiating fins; Be fixed with lamp holder on the closing in end of radiator; The openend of radiator is provided with wiring board, and the upper surface of wiring board is provided with the semiconductor light emitting body that at least one and drive circuit board electrically connect.
Wherein, each radiating fin comprises: the two side portions of middle sheet, middle sheet is left sheet and the right sheet that symmetrical centre is bent to form towards the inside of radiator with middle sheet respectively.
Wherein, the extending end of middle sheet is bent to form spacing end.
Wherein, the extending end bending and molding of the extending end of left sheet, right sheet is a supporting spring.
Wherein, said semiconductor light sources also comprises tight loop, and wiring board is placed on a plurality of supporting springs, and through the spacing terminal close-fitting of tight loop with middle sheet.
Wherein, said semiconductor light sources also comprises the lampshade on the openend that is fastened on radiator, and the edge of opening position extension of lampshade is provided with a plurality of trips; The trip of lampshade engages with the tight loop outer with the openend of radiator empty avoiding mutually, the trip of lampshade, and the openend of lampshade is pressed to the supporting spring of radiator with wiring board, makes wiring board and radiator close-fitting.
Wherein, the outer ledge position of wiring board is provided with several breach, and each trip fastens through one of them breach and one of them hole clipping respectively.
In addition, the utility model also discloses a kind of manufacturing approach of semiconductor light sources, and it comprises step:
With the aluminium base punch forming of a monoblock is radiator, and this radiator has openend and closing in end, and towards same direction extension some radiating fins is set from the end that closes up, gapped between adjacent two radiating fins;
Lamp holder is fixed on the closing in end of radiator; Drive circuit board is placed in the radiator; Wiring board is arranged on the openend of radiator, and the wiring board upper surface is provided with the semiconductor light emitting body that at least one and drive circuit board electrically connect, lampshade is fastened on the openend of radiator.
Wherein, said aluminium base punch forming with a monoblock is radiator step comprises at least:
Need be from a plurality of substrates of aluminium base cutting of a monoblock, a wherein end of each substrate links together;
Two relative long sides of each substrate middle part towards substrate is bent relatively, make the middle part of substrate form in sheet, the part after two long sides of substrate bend forms left sheet and right sheet respectively;
The end of sheet in the left side is shaped to spacing end, the end of left sheet and the end of right sheet are shaped to supporting spring respectively.
Wherein, the extension of the edge of opening position of lampshade is provided with a plurality of trips, and several hole clippings are set on radiator, and the outer ledge position of wiring board is provided with several breach, and each trip matches spacing through one of them breach with one of them hole clipping respectively.
Compared with prior art, the utlity model has following beneficial effect:
The utility model is through having the radiator of a plurality of radiating fins; The heat that semiconductor light sources is produced when working dispels the heat fast; Thereby the operating temperature of semiconductor light sources is reduced greatly, realize guaranteeing to descend in working order the job stability of semiconductor light sources.In addition, radiator is to be processed by the aluminium base integrated punching, by its special structure design, the utlity model has simple in structure and the simple advantage of making.
Description of drawings
Fig. 1 is the decomposition texture sketch map of the utility model semiconductor light sources;
Fig. 2 is the enlarged diagram of local A among Fig. 1;
Fig. 3 is the perspective view of the utility model semiconductor light sources.
The specific embodiment
In conjunction with Fig. 1, Fig. 2 and shown in Figure 3, the semiconductor light sources that the utility model proposes comprises: the radiator 10 with close up end 11 and openend 12; Be set in the tight loop 20 in openend 12 outsides of radiator 10; Be fixed on lamp socket 30 and lamp holder 40 on the closing in end 11 of radiator 10 successively; Fixedly place the sleeve pipe 60 in the radiator 10; Place the drive circuit board 50 in the sleeve pipe 60; Have the wiring board 70 of upper surface 71 and lower surface 72, its outer ledge position is provided with several breach 73, and this wiring board 70 is arranged on the openend 12 of radiator 10; Several semiconductor light emitting bodies (such as LED lamp pearl) 80 expose outside the upper surface 71 of wiring board 70, and the pin of each semiconductor light emitting body 80 all electrically connects through lead and drive circuit board 50; Be fastened on the lampshade 90 on the openend 12 of radiator 10; And extend on the edge of opening of lampshade 90 a plurality of trips 91 are set; Each trip 91 is connected with openend 12 engagings of radiator 10 through the breach 73 on the wiring board 70, by lampshade 90 wiring board 70 is fixed on the radiator 10 simultaneously.
Each radiating fin 13 has middle sheet 131, left sheet 132 and the right sheet 133 that one connects; The both sides of sheet 131 during left side sheet 132 lays respectively at right sheet 133; And left sheet 132 be that symmetrical centre bends towards the inside of radiator 10 with middle sheet 131 respectively with right sheet 133, thereby makes between middle sheet 131 and the left sheet 132, all have an angle between middle sheet 131 and the right sheet 133.And the extending end of middle sheet 131 outwards is bent to form spacing terminal 134, and the extending end of the extending end of left sheet 132, right sheet 133 is formed supporting spring 135 by after about 90 ° of the bending; In addition, all supporting springs 135 on each radiating fin 13 all are positioned at a horizontal plane, and wiring board 70 is arranged on all supporting springs 135.
During fabrication, at first, need be from a plurality of substrates of aluminium base cutting of a monoblock, a wherein end of each substrate links together, and each substrate is used to be shaped to a radiating fin 13.Secondly, two relative long sides of each substrate middle part towards substrate is bent relatively, make the middle part of substrate form in sheet 131, the part after two long sides of substrate bend forms left sheet 132 and right sheet 133 respectively.Once more, the end of sheet in the left side 131 is shaped to spacing terminal 134, the end of left sheet 132 and the end of right sheet 133 are shaped to supporting spring 135 respectively.
Because each radiating fin 13 is to extend to the bigger openend of opening 12 from the end 11 that closes up, therefore, each radiating fin 13 all can produce the tension force away from radiator 10 inner spaces.Tight loop 20 is set in 10 last times of radiator, closely is connected between several radiating fins 13 and the tight loop 20, and will be arranged on the supporting spring 135 wiring board 70 and fix, wiring board 70 can't be moved in the horizontal direction.
In addition; Several hole clippings also are set on radiator 10; One of them trip 91 on the lampshade 90 engages respectively with each hole clipping through one of them breach 73 on the wiring board 70 respectively, thereby has further fixed wiring board 70 through lampshade 80, and wiring board 70 can't be moved in vertical direction.
When 80 work of semiconductor light emitting body; Drive circuit board 50 will produce great amount of heat; Heat conducts to radiator 10 through radiator 10 inner air, wiring board 70 and sleeve pipes 60, carries out heat exchange by the appearance and the cool ambient air of radiator 10, and radiator 10 inner hot-airs can be through gap between the radiating fin 13 14 and cool ambient air heat exchange; Thereby will fast heat be distributed, radiating efficiency is very high.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (7)
1. a semiconductor light sources is characterized in that, said semiconductor light sources comprises:
By the integrated radiator of aluminium base, it has openend and closing in end, and towards same direction extension some radiating fins is set from the end that closes up, and is gapped between adjacent two radiating fins; Be fixed with lamp holder on the closing in end of radiator; The openend of radiator is provided with wiring board, and the upper surface of wiring board is provided with the semiconductor light emitting body that at least one and drive circuit board electrically connect.
2. according to the said semiconductor light sources of claim 1, it is characterized in that each radiating fin comprises: the two side portions of middle sheet, middle sheet is left sheet and the right sheet that symmetrical centre is bent to form towards the inside of radiator with middle sheet respectively.
3. according to the said semiconductor light sources of claim 2, it is characterized in that the extending end of middle sheet is bent to form spacing end.
4. according to the said semiconductor light sources of claim 2, it is characterized in that the extending end bending and molding of the extending end of left sheet, right sheet is a supporting spring.
5. according to the said semiconductor light sources of claim 4, it is characterized in that said semiconductor light sources also comprises tight loop, wiring board is placed on a plurality of supporting springs, and through the spacing terminal close-fitting of tight loop with middle sheet.
6. according to the said semiconductor light sources of claim 5, it is characterized in that said semiconductor light sources also comprises the lampshade on the openend that is fastened on radiator, the edge of opening position extension of lampshade is provided with a plurality of trips; The trip of lampshade engages with the tight loop outer with the openend of radiator empty avoiding mutually, the trip of lampshade, and the openend of lampshade is pressed to the supporting spring of radiator with wiring board, makes wiring board and radiator close-fitting.
7. according to the said semiconductor light sources of claim 6, it is characterized in that the outer ledge position of wiring board is provided with several breach, each trip fastens through one of them breach and one of them hole clipping respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205738714U CN202371522U (en) | 2011-12-20 | 2011-12-20 | Semiconductor light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205738714U CN202371522U (en) | 2011-12-20 | 2011-12-20 | Semiconductor light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202371522U true CN202371522U (en) | 2012-08-08 |
Family
ID=46595222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205738714U Expired - Fee Related CN202371522U (en) | 2011-12-20 | 2011-12-20 | Semiconductor light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202371522U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174983A (en) * | 2011-12-20 | 2013-06-26 | 许富昌 | Semiconductor light source and manufacturing method thereof |
| CN104712930A (en) * | 2013-12-17 | 2015-06-17 | 欧司朗有限公司 | Improved lamp |
| CN107448790A (en) * | 2017-06-19 | 2017-12-08 | 浙江中宙光电股份有限公司 | A kind of LED light strip light |
-
2011
- 2011-12-20 CN CN2011205738714U patent/CN202371522U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174983A (en) * | 2011-12-20 | 2013-06-26 | 许富昌 | Semiconductor light source and manufacturing method thereof |
| CN104712930A (en) * | 2013-12-17 | 2015-06-17 | 欧司朗有限公司 | Improved lamp |
| CN107448790A (en) * | 2017-06-19 | 2017-12-08 | 浙江中宙光电股份有限公司 | A kind of LED light strip light |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20151220 |
|
| EXPY | Termination of patent right or utility model |