CN102635812A - LED (Light-emitting Diode) area light source of refrigerator - Google Patents
LED (Light-emitting Diode) area light source of refrigerator Download PDFInfo
- Publication number
- CN102635812A CN102635812A CN2012100735051A CN201210073505A CN102635812A CN 102635812 A CN102635812 A CN 102635812A CN 2012100735051 A CN2012100735051 A CN 2012100735051A CN 201210073505 A CN201210073505 A CN 201210073505A CN 102635812 A CN102635812 A CN 102635812A
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- light source
- light
- lgp
- led lamp
- refrigerator
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- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The invention belongs to the technical field of light sensing and particularly relates to an LED (Light-emitting Diode) area light source of a refrigerator. The LED area light source of the refrigerator comprises a heat radiation bracket, an LED lamp strip, a light-guiding plate and a light reflecting layer; and a lamp holder is used for supporting a light source. The LED area light source of the refrigerator has the beneficial effects that 1) a line light source sent by an LED lamp bead is converted into the area light source through optical effects of the light-guiding plate, the light efficiency is improved and the uniformity of luminance is improved; 2) the LED area light source can effectively disperse heat generated by a PCBA (Printed Circuit Board Assembly) plate and the LED lamp bead to guarantee the normal working environment of the PCBA plate and the LED lamp bead and prolong the service life; 3) the LED lamp strip comprises a temperature detection module and can avoid the phenomenon that the temperature of the light source is instantaneously raised so as to achieve a safe protection effect; and 4) the LED area light source of the refrigerator has the obvious advantages of flexible emergent lights, no damages to eyes, low power consumption, natural lights, high light purity, long service life, high cost performance and the like.
Description
Technical field
The invention belongs to the light field of sensing technologies, be specifically related to a kind of refrigerator LED area source.
Background technology
Area source is the brand-new light-emitting mode of light source of a kind of relative LED spot light and ordinary lamp and lantern.Be typically provided with LGP; Be equipped with one deck reflector layer between its side and the PCBA plate; Preset light-emitting window with the led light source corresponding position on the reflector layer; But prior art exists, and leaded light efficient is not high, the shortcoming of light energy losses and heat-transfer effect difference, and at present, the technical problem of assaulting fortified position of industry common concern and research is the loss that how to improve high light rate and how to reduce luminous energy.
Summary of the invention
The present invention has overcome the deficiency of prior art, has proposed a kind of refrigerator LED area source, and said area source comprises LGP, reflector layer, thermal component, PCBA plate and superincumbent 12 LED lamp pearls etc. are set.The line source that LGP sends the lamp bar, the optical effect through LGP converts area source into.The heat conductor that PCBA backboard face has function admirable is used for guaranteeing the normal operation circumstances of PCBA plate and lamp pearl as radiating element, increases the service life.
Technical scheme of the present invention is: a kind of refrigerator LED area source; Comprise cooling stand, LED lamp bar, LGP, reflector layer and lamp holder, said LGP is a square panel, comprises light source light inputting end and light source bright dipping end; LGP is the acryl sheet material of optical grade; Outside at LGP is provided with protecting film, on the one side of said LGP, is carved with the leaded light point, and the density that said leaded light point is arranged on LGP is intensive gradually to light source bright dipping end from the light source light inputting end; Described reflector layer is a reflector plate, has the one side of leaded light point and light source bright dipping end that reflector plate is set respectively at LGP; Said cooling stand is installed in a side of the light source light inputting end of LGP; On said cooling stand, be provided with LED lamp bar; Said LED lamp bar comprises the PCBA plate, and said PCBA plate is vertical with LGP, and said PCBA plate is provided with LED lamp pearl, peripheral circuit and constant flow module; Said cooling stand and PCBA plate fit tightly through heat conductive silica gel, and the distance range of PCBA plate and LGP light inputting end is 1-2.8cm.
Preferably, said LED lamp bar comprises a temperature detecting module, and said temperature detecting module is connected through holding wire with said constant flow module.
Preferably, the operating temperature of said LED lamp bar is at-40-85 ℃, and colour temperature is at 7000-9000K.
Preferably, scribble the point-like resin mass in the centre of said LED lamp bar, said point-like resin mass covers said peripheral circuit.
Preferably, said resin mass is an epoxy resin.
Preferably, scribble the flaky resin layer in the centre of said LED lamp bar, said resin bed covers said peripheral circuit, and the thickness of said resin bed is 0.05-1mm.
Preferably, said resin bed is an epoxy resin.
Preferably, said cooling stand takes the shape of the letter U, and is the aluminium base radiator.
Preferably, leaded light point is rounded, and its diameter becomes from the light source light inputting end to the bright dipping end greatly gradually,
Preferably, the leaded light point is square, and its length of side becomes big gradually from the light source light inputting end to the bright dipping end.
The present invention has following beneficial effect:
1) the present invention includes LGP, reflector layer, thermal component, PCBA plate and superincumbent 12 LED lamp pearls etc. are set, the line source that LED lamp pearl sends, the optical effect through LGP converts area source into, and optical efficiency is improved, and uniformity of luminance improves.
2) the PCBA of the present invention back side closely contacts with the heat conductor aluminium cooling stand of function admirable through heat-conducting silicone grease, effectively the heat that produces on PCBA plate and the LED lamp pearl is shed, and is used for guaranteeing the normal operation circumstances of PCBA plate and LED lamp pearl, increases the service life.
3) LED lamp bar of the present invention comprises a temperature detecting module, and temperature detecting module is connected through holding wire with constant flow module, and temperature detecting module can avoid light source TRANSIENT HIGH TEMPERATURE situation to occur, and plays the safeguard protection effect.
4) the present invention have bright dipping soft, do not hinder remarkable advantages such as eye, low in energy consumption, light nature, optical purity are high, long service life, cost performance height.
Description of drawings
Further specify the present invention below in conjunction with the accompanying drawing and the specific embodiment.
Fig. 1 is a structure PCBA plate structure sketch map of the present invention.
Fig. 2 is a structural representation of the present invention.
Among the figure, 1, peripheral circuit; 2, constant flow module; 3, temperature detecting module; 4, PCBA plate; 5, LED lamp pearl; 6, resin bed; 7, power interface; 8, cooling stand; 9, light source light inputting end; 10, LGP; 11, light source bright dipping end; 12, lamp holder.(in 6, the 7 title specifications and do not embody)
The specific embodiment:
To shown in Figure 2, the present invention includes cooling stand 8, LED lamp bar, LGP 10, reflector layer referring to Fig. 1, lamp holder 12 is used for the supporting surface light source; Said LGP 10 is a square panel; Comprise light source light inputting end 9 and light source bright dipping end 11, LGP 10 is the acryl sheet material of optical grade, is provided with protecting film in the outside of LGP 10; On the one side of said LGP 10, be carved with the leaded light point, the density that said leaded light point is arranged on LGP 10 is intensive gradually to light source bright dipping end 11 from light source light inputting end 9; Described reflector layer is a reflector plate, has the one side of leaded light point and bright dipping end 11 thereof that reflector plate is set respectively at LGP 10; Said leaded light point is rounded, and its diameter becomes big gradually from the light source light inputting end to the bright dipping end; Said leaded light point can be square, and its length of side becomes big gradually from the light source light inputting end to the bright dipping end.
Said cooling stand 8 is installed in a side of the light source light inputting end 9 of LGP 10; On said cooling stand 8, be provided with LED lamp bar; Said LED lamp bar comprises PCBA plate 4, and said PCBA plate 4 is vertical with LGP 10, and said PCBA plate 4 is provided with LED lamp pearl 5, peripheral circuit 1 and constant flow module 2; Said LED lamp bar comprises a temperature detecting module 3, and said temperature detecting module 3 and said constant flow module 2 are connected through holding wire;
Said cooling stand 8 and PCBA plate 4 fit tightly through heat conductive silica gel, and PCBA plate 4 is 1-2.8cm with the distance range of LGP light inputting end 9;
The operating temperature of said LED lamp bar is at-40-85 ℃, and colour temperature is at 7000-9000K;
Centre at said LED lamp bar scribbles the point-like resin mass, and said point-like resin mass covers said peripheral circuit, and said resin mass is an epoxy resin, and said resin bed is an epoxy resin.
Centre at said LED lamp bar scribbles flaky resin layer 6, and said resin bed covers said peripheral circuit, and the thickness of said resin bed is 0.05-1mm, and said resin bed is an epoxy resin.
Said cooling stand takes the shape of the letter U, and is the aluminium base radiator.Power interface 7 is used to connect power supply.
The present invention have bright dipping soft, do not hinder remarkable advantages such as eye, low in energy consumption, light nature, long service life, cost performance height.
Claims (10)
1. a refrigerator LED area source comprises cooling stand, LED lamp bar, LGP, reflector layer and lamp holder, and said LGP is a square panel; Comprise light source light inputting end and light source bright dipping end, LGP is the acryl sheet material of optical grade, it is characterized in that: the outside at LGP is provided with protecting film; On the one side of said LGP, be carved with the leaded light point, the density that said leaded light point is arranged on LGP is intensive gradually to light source bright dipping end from the light source light inputting end, and described reflector layer is a reflector plate; There are the one side of leaded light point and light source bright dipping end that reflector plate is set respectively at LGP; Said cooling stand is installed in a side of the light source light inputting end of LGP, on said cooling stand, is provided with LED lamp bar, and said LED lamp bar comprises the PCBA plate; Said PCBA plate is vertical with LGP; Said PCBA plate is provided with LED lamp pearl, peripheral circuit and constant flow module, and said cooling stand and PCBA plate fit tightly through heat conductive silica gel, and the distance range of PCBA plate and LGP light inputting end is 1-2.8cm.
2. refrigerator LED area source according to claim 1 is characterized in that: said LED lamp bar comprises a temperature detecting module, and said temperature detecting module is connected through holding wire with said constant flow module.
3. refrigerator LED area source according to claim 2 is characterized in that: the operating temperature of said LED lamp bar is at-40-85 ℃, and colour temperature is at 7000-9000K.
4. refrigerator LED area source according to claim 3 is characterized in that: the centre at said LED lamp bar scribbles the point-like resin mass, and said point-like resin mass covers said peripheral circuit.
5. refrigerator LED area source according to claim 4 is characterized in that: said resin mass is an epoxy resin.
6. refrigerator LED area source according to claim 3 is characterized in that: the centre at said LED lamp bar scribbles the flaky resin layer, and said resin bed covers said peripheral circuit, and the thickness of said resin bed is 0.05-1mm.
7. refrigerator LED area source according to claim 6 is characterized in that: said resin bed is an epoxy resin.
8. refrigerator LED area source according to claim 1, it is characterized in that: said cooling stand takes the shape of the letter U, and is the aluminium base radiator.
9. refrigerator LED area source according to claim 1, it is characterized in that: leaded light point is rounded, and its diameter becomes big gradually from the light source light inputting end to the bright dipping end.
10. refrigerator LED area source according to claim 1 is characterized in that: the leaded light point is square, and its length of side becomes big gradually from the light source light inputting end to the bright dipping end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100735051A CN102635812A (en) | 2012-03-09 | 2012-03-09 | LED (Light-emitting Diode) area light source of refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100735051A CN102635812A (en) | 2012-03-09 | 2012-03-09 | LED (Light-emitting Diode) area light source of refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102635812A true CN102635812A (en) | 2012-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100735051A Pending CN102635812A (en) | 2012-03-09 | 2012-03-09 | LED (Light-emitting Diode) area light source of refrigerator |
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| Country | Link |
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| CN (1) | CN102635812A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103528314A (en) * | 2013-10-28 | 2014-01-22 | 合肥美的电冰箱有限公司 | Refrigerator |
| CN104304415A (en) * | 2014-10-10 | 2015-01-28 | 佛山市顺德区阿波罗环保器材有限公司 | Fruit and vegetable preservation device and photosynthetic preservation method based on device |
| CN105186075A (en) * | 2015-07-29 | 2015-12-23 | 中国电子科技集团公司第四十一研究所 | YIG electrically tunable filter magnetic circuit structure with high temperature stability |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070201244A1 (en) * | 2006-02-24 | 2007-08-30 | Hon Hai Precision Industry Co., Ltd. | Backlight module |
| CN201436444U (en) * | 2009-04-03 | 2010-04-07 | 深圳市深华龙科技实业有限公司 | An illuminating LED area light source |
| CN201555153U (en) * | 2009-12-01 | 2010-08-18 | 深圳帝光电子有限公司 | Uniform high-brightness side-light type backlight source |
| CN101819341A (en) * | 2009-02-26 | 2010-09-01 | 佛山市顺德区汉达精密电子科技有限公司 | Liquid-crystal display with overheat protection function and protection method thereof |
| CN202469765U (en) * | 2012-03-09 | 2012-10-03 | 青岛卓英社科技有限公司 | LED (Light-Emitting Diode) area light source for refrigerator |
-
2012
- 2012-03-09 CN CN2012100735051A patent/CN102635812A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070201244A1 (en) * | 2006-02-24 | 2007-08-30 | Hon Hai Precision Industry Co., Ltd. | Backlight module |
| CN101819341A (en) * | 2009-02-26 | 2010-09-01 | 佛山市顺德区汉达精密电子科技有限公司 | Liquid-crystal display with overheat protection function and protection method thereof |
| CN201436444U (en) * | 2009-04-03 | 2010-04-07 | 深圳市深华龙科技实业有限公司 | An illuminating LED area light source |
| CN201555153U (en) * | 2009-12-01 | 2010-08-18 | 深圳帝光电子有限公司 | Uniform high-brightness side-light type backlight source |
| CN202469765U (en) * | 2012-03-09 | 2012-10-03 | 青岛卓英社科技有限公司 | LED (Light-Emitting Diode) area light source for refrigerator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103528314A (en) * | 2013-10-28 | 2014-01-22 | 合肥美的电冰箱有限公司 | Refrigerator |
| CN104304415A (en) * | 2014-10-10 | 2015-01-28 | 佛山市顺德区阿波罗环保器材有限公司 | Fruit and vegetable preservation device and photosynthetic preservation method based on device |
| CN105186075A (en) * | 2015-07-29 | 2015-12-23 | 中国电子科技集团公司第四十一研究所 | YIG electrically tunable filter magnetic circuit structure with high temperature stability |
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Application publication date: 20120815 |