CN201739840U - LED lamp - Google Patents
LED lamp Download PDFInfo
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- CN201739840U CN201739840U CN2010202473971U CN201020247397U CN201739840U CN 201739840 U CN201739840 U CN 201739840U CN 2010202473971 U CN2010202473971 U CN 2010202473971U CN 201020247397 U CN201020247397 U CN 201020247397U CN 201739840 U CN201739840 U CN 201739840U
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- heat
- led
- transparent body
- light source
- led light
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses a light-emitting diode (LED) lamp comprising a lamp tube, an LED substrate, an LED light source and a transparent body, wherein the LED light source is fixed on the LED substrate to constitute an LED substrate light source; the LED substrate is fixed on the lamp tube; the transparent is in contact with the LED substrate light source; and the LED substrate light source is internally arranged between the transparent body and the lamp tube, wherein the transparent body is solid. According to the embodiment, the utility model can conveniently solve the problem of the heat dissipation of the LED lamp.
Description
Technical field
The utility model relates to field of illuminating lamps, relates to a kind of led lamp in particular.
Background technology
LED (Light Emitting Diode, light emitting diode) is a kind of solid-state semiconductor devices.Because characteristics such as LED has that volume is little, power consumption is low, long service life, high brightness, sturdy and durable and environmental protection are widely used in lighting field in recent years.The principle of luminosity of LED is electronics and the compound light that directly sends of hole process, so it can directly be converted into luminous energy with electric energy.But the luminous current drives that needs of LED light fixture, and in the electric energy of input LED, only having an appointment 15% effectively is converted into light, most of (about 85%) is because of the invalid heat that is converted into.Because LED is a temperature sensor, when variations in temperature, the performance of LED light fixture and encapsulating structure all can be affected, thereby influence the reliability and the service life of LED light fixture again.Statistics shows, 2 ℃ of the every risings of LED temperature, and reliability decrease 10% also is linear its service life and reduces.Therefore, about the heat dissipation technology of LED light fixture, be the key technology of this area always.
In the prior art, realize the heat radiation of LED light fixture, can adopt the liquid cooling mode.Fill heat-conducting liquid in the sealed cavity of this method employing between led light source and lampshade, increase the area of dissipation of LED, reduced lamp temperatures, make the interior Temperature Distribution of light fixture more even simultaneously, thereby improved the radiating efficiency of light fixture.But, because the degree varies sample that expands with heat and contract with cold of different materials, add light fixture work and encapsulant that the temperature difference when not working causes described sealed cavity owing to expanding with heat and contract with cold generation deformation, and then can produce sealing problem.Conductive fluid in the lampshade sealed cavity is known from experience and is penetrated in the drive circuit, and the inner member of LED light fixture is caused corrosion.Therefore this method can influence the service life of LED light fixture.
The utility model content
In view of this, the utility model provides a kind of led lamp, can solve the heat dissipation problem of LED light fixture easily.
For achieving the above object, the utility model provides following technical scheme:
The LED light fixture comprises lamp tube, LED substrate, led light source and the transparent body;
Described led light source is fixed on the described LED substrate, forms LED substrate light source; Described LED substrate is fixed on the described lamp tube; The described transparent body contacts with described LED substrate light source; Described LED substrate built-in light-source is between the described transparent body and lamp tube;
The described transparent body is solid.
Preferably, the material of the described transparent body is: glass or plastics.
Preferably, further comprise heat-conducting medium between the light-emitting area of the inner surface that is arranged on the described transparent body and described LED substrate light source.
Preferably, described heat-conducting medium is: be arranged on the heat-conducting plate between the described transparent body and the described LED substrate light source.
Preferably, have the hole of matching on the described heat-conducting plate with described led light source.
Preferably, described heat-conducting medium is: spread upon the heat conducting coating between the described transparent body and the described LED substrate light source.
Preferably, described transparent body inner surface has the hole of matching with described led light source.
Preferably, further comprise the heat-conducting medium that is arranged between described LED substrate and the described lamp tube.
Preferably, described heat-conducting medium is: heat-conducting plate or heat conducting coating.
Via above-mentioned technical scheme as can be known, compared with prior art, the described LED light fixture of the utility model embodiment adopts the solid transparent body that the LED light fixture is dispelled the heat.The solid transparent body is as a kind of solid material, and is littler than the thermal resistance of gas, helps the conduction of heat, can realize heat sinking function.The utility model discloses a kind of LED light fixture that utilizes the solid transparent body to dispel the heat, avoided filling the sealing problem that heat-conducting liquid brings in the prior art, can realize heat radiation easily the LED light fixture.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is embodiment of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to the accompanying drawing that provides.
Fig. 1 is the LED light fixture cutaway view of the utility model first embodiment;
Fig. 2 is the LED light fixture explosive view of the utility model first embodiment;
Fig. 3 is the LED light fixture cutaway view of the utility model second embodiment;
Fig. 4 is the LED light fixture explosive view of the utility model second embodiment.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment discloses a kind of LED light fixture that utilizes the transparent body to dispel the heat.
See figures.1.and.2, be respectively LED light fixture cutaway view and the explosive view of the utility model first embodiment.Embodiment one described LED light fixture comprises drive power supply 1, lead 2, lamp tube 3, LED substrate 4, led light source 5, the transparent body 6 and heat-conducting plate 7.
Described led light source 5 is fixed on the described LED substrate 4, forms LED substrate light source; Described LED substrate 4 is fixed on the described lamp tube 3; The described transparent body 6 contacts with described LED substrate light source, and described LED substrate built-in light-source is between the described transparent body 6 and lamp tube 3.
Described drive power supply 1 one ends link to each other with lamp tube 3 by lead 2, and described lamp tube 3 links to each other with LED substrate 4.Described drive power supply 1 provides power supply for the led light source 5 on the described LED substrate 4.
Among the utility model embodiment, the described transparent body 6 is solid.
In the prior art, what generally adopt is the hollow transparent body, have gas in the transparent body, and the heat conductivility of gas is poor, also is that thermal resistance is big, is unfavorable for the propagation of heat, so heat dispersion is bad.The utility model adopts solid transparent body 6, and solid transparent body 6 is as a kind of solid material, and is littler than the thermal resistance of gas, helps the conduction of heat, can realize heat sinking function.The utility model embodiment dispels the heat by adopting 6 pairs of LED light fixtures of solid transparent body, has replaced the heat-conducting liquid that in the prior art LED light fixture is dispelled the heat, and has avoided filling the sealing problem that heat-conducting liquid brings.
For the ease of the bright dipping of led light source 5, the described transparent body 6 can be that any one can printing opacity and have solid material than thermal conductive resin, as glass or plastics.But the material of the described transparent body 6 of the utility model embodiment not only is confined to glass or plastics, and along with the development of LED light fixture technology, the material of any transparent body that can be used as the LED light fixture is all within the scope of the utility model protection.
Conspicuous, those skilled in the art can carry out technical finesse according to the actual requirements to the described transparent body 6.For example, when needing the LED light fixture to send the light of certain color, can use the transparent body 6 of respective color that it is carried out luminous intensity distribution; When the face shaping of LED light fixture is had requirement, also can be processed into different shape according to corresponding requirements.
Can be connected by screw mode or alternate manner between wherein said solid transparent body 6 and the described lamp tube 3.
Preferably, link to each other by heat-conducting medium between the one side (light-emitting area of hereinafter referred LED substrate light source) that is fixed with led light source 5 on the LED substrate 4 and the transparent body 6.
When the LED light fixture was worked, led light source 5 also can be converted into heat energy with a part of electric energy inevitably except electric energy is converted into luminous energy.This part heat that led light source 5 produces conducts to the external world by the transparent body 6.Because consider the bright dipping of led light source 5, the material of the described transparent body 6 generally can be glass or plastics.And some have the material of good heat conductive performance, because itself does not have transparent characteristic, can not be used as the transparent body 6.
Among the utility model embodiment, in order further to improve the heat dispersion of LED light fixture, can between the light-emitting area of described LED substrate light source and the transparent body 6, heat-conducting medium be set.Can further reduce the light-emitting area of LED substrate light source and the thermal resistance between the transparent body 6 like this.The heat that this technology produces in the time of can making the work of LED light fixture is transmitted in the outside air more fast, effectively improves heat transfer efficiency.
In the present embodiment, described heat-conducting medium can adopt heat-conducting plate 7.Described heat-conducting plate 7 is close to the light-emitting area of described LED substrate light source.
Further, have the aperture that matches with described led light source 5 on the heat-conducting plate 7.
Being that example describes shown in the accompanying drawing 2 of the present utility model.Led light source 5 among the utility model embodiment be shaped as the granule of square shape one by one, so correspondingly just on heat-conducting plate 7, have corresponding square aperture.During installation, the led light source 5 on the LED substrate 4 can be embedded in the aperture corresponding on the heat-conducting plate 7.
Conspicuous, when the shape of led light source 5 is not the square graininess, but during other shape (as cylindrical, sphere etc.), the aperture on the described heat-conducting plate 7 also correspondingly is split into the shape that meets led light source 5 and gets final product.
Owing to have the aperture that matches with led light source 5 on the heat-conducting plate 7, the light that led light source 5 sends can pass heat-conducting plate 7 and propagate into the outside, is convenient to the bright dipping of led light source 5 again.
Specifically, the material of described heat-conducting plate 7 can be any material with good heat conductive performance.
With reference to Fig. 3 and Fig. 4, be respectively LED light fixture cutaway view and the explosive view of the utility model second embodiment.Embodiment two described LED light fixtures comprise drive power supply 1, lead 2, lamp tube 3, LED substrate 4, led light source 5 and the transparent body 6.Its annexation is basic identical with embodiment one.The difference part is that heat-conducting medium herein adopts heat conducting coating.Specifically, be between the light-emitting area of LED substrate light source and the transparent body 6, to smear described heat conducting coating.
Herein, the use about heat conducting coating is described in detail as follows at this:
In heat radiation and heat conduction were used, even very bright and clean two planes, surface have the space to occur being in contact with one another Shi Douhui, the air in these spaces was the non-conductor of heat, can hinder the conduction of heat to heat abstractor.And heat conducting coating is exactly a kind of these spaces of can filling, and makes the smooth and easy more material rapidly of conduction of heat.
When LED worked, the heat that led light source 5 sends can accumulate in the space between the led light source 5 and the transparent body 6, is full of air in the space, and gas conduction is bad, is unfavorable for the conduction of heat.Smear after the heat conducting coating, the heat that LED sends at first is transmitted on the transparent body 6 by heat conducting coating, and the transparent body 6 is transmitted to heat in the outside air by self again.The heat conducting coating of smearing has reduced the light-emitting area of LED substrate light source and the thermal resistance between the transparent body 6, makes that heat is easier to be transmitted on the transparent body 6, and then has improved heat transfer efficiency.
Among the embodiment two, have the aperture that matches with led light source 5 on the transparent body 6.
Being that example describes shown in the accompanying drawing 4 of the present utility model.Led light source 5 be shaped as the granule of square shape one by one, so correspondingly just on the transparent body 6, have corresponding square aperture.During installation, the led light source 5 on the LED substrate 4 can be embedded in the aperture corresponding on the transparent body 6.
Conspicuous, as to have on the transparent body 6 aperture also is more conducive to the bright dipping of led light source 5.Certainly, if the shape of led light source 5 is not the square graininess, but other shape (as cylindrical, sphere), the aperture on the described transparent body 6 also correspondingly is split into the shape that meets led light source 5.
Preferably, more than among two embodiment, can also between LED substrate 4 and lamp tube 3, heat-conducting medium be set.Heat-conducting medium can be heat-conducting plate or heat conducting coating.Be provided with after the heat conducting coating, led light source 5 conducts to the heat on the LED substrate 4, just can outwards conduct by the good heat-conducting medium of heat conductivility.Finally be transmitted in the outside air by lamp tube 3.
Therefore, the heat-conducting medium that is provided with between LED substrate 4 and lamp tube 3 has reduced the thermal resistance between LED substrate 4 and the lamp tube 3, has improved the heat conduction efficiency between LED substrate 4 and the lamp tube 3, more helps the heat that LED substrate 4 distributes and is transmitted in the outside air.
In addition, by above-mentioned two embodiment as can be seen: on the basis of the heat dispersion that adopts the transparent body 6 improvement LED light fixtures, in the junction of the various piece of LED light fixture described in the utility model, all can adopt the mode that heat-conducting medium is set, come the utility model is optimized.
Specifically,
In embodiment one, be provided with after the described heat-conducting plate 7, further can smear heat conducting coating in the described heat-conducting plate 7 and the light-emitting area joint of LED substrate light source.Also can smear heat-conducting medium between the heat-conducting plate 7 and the transparent body 6.Also heat-conducting plate can be set between LED substrate 4 and the lamp tube 3, heat conducting coating can also be smeared in two surfaces up and down of heat-conducting plate.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (9)
1. a led lamp is characterized in that, comprises lamp tube, light emitting diode base plate, LED source and the transparent body;
Described LED source is fixed on the described light emitting diode base plate, forms the light emitting diode base plate light source; Described light emitting diode base plate is fixed on the lamp tube; The described transparent body contacts with described LED substrate light source; Described light emitting diode base plate built-in light-source is between the described transparent body and lamp tube;
The described transparent body is solid.
2. led lamp according to claim 1 is characterized in that, the material of the described transparent body is: glass or plastics.
3. led lamp according to claim 1 is characterized in that, described light fixture also comprises the heat-conducting medium between the light-emitting area of the inner surface that is arranged on the described transparent body and described light emitting diode base plate light source.
4. led lamp according to claim 3 is characterized in that, described heat-conducting medium is: be arranged on the heat-conducting plate between the described transparent body and the described light emitting diode base plate light source.
5. led lamp according to claim 4 is characterized in that, has the hole of matching with described LED source on the described heat-conducting plate.
6. led lamp according to claim 3 is characterized in that, described heat-conducting medium is: spread upon the heat conducting coating between the described transparent body and the described light emitting diode base plate light source.
7. led lamp according to claim 6 is characterized in that, described transparent body inner surface has the hole of matching with described LED source.
8. according to any described led lamp of claim 1 to 7, it is characterized in that, further comprise the heat-conducting medium that is arranged between described light emitting diode base plate and the described lamp tube.
9. led lamp according to claim 8 is characterized in that, described heat-conducting medium is: heat-conducting plate or heat conducting coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202473971U CN201739840U (en) | 2010-07-02 | 2010-07-02 | LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202473971U CN201739840U (en) | 2010-07-02 | 2010-07-02 | LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201739840U true CN201739840U (en) | 2011-02-09 |
Family
ID=43555116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202473971U Expired - Fee Related CN201739840U (en) | 2010-07-02 | 2010-07-02 | LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201739840U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313189A (en) * | 2010-07-02 | 2012-01-11 | 艾迪光电（杭州）有限公司 | LED (Light-Emitting Diode) lamp |
| CN102829955A (en) * | 2011-06-17 | 2012-12-19 | 海洋王照明科技股份有限公司 | LED (light-emitting diode) light distribution testing device |
-
2010
- 2010-07-02 CN CN2010202473971U patent/CN201739840U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313189A (en) * | 2010-07-02 | 2012-01-11 | 艾迪光电（杭州）有限公司 | LED (Light-Emitting Diode) lamp |
| CN102829955A (en) * | 2011-06-17 | 2012-12-19 | 海洋王照明科技股份有限公司 | LED (light-emitting diode) light distribution testing device |
| CN102829955B (en) * | 2011-06-17 | 2015-07-08 | 海洋王照明科技股份有限公司 | LED (light-emitting diode) light distribution testing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: LED ONE (HANGZHOU) CO., LTD. Free format text: FORMER NAME: LED ONE (HANGZHOU) LIMITED COMPANY |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Hangzhou City, Zhejiang province 310053 Binjiang District Dongxin Road No. 66 East communication D block 208 Patentee after: LED ONE (Hangzhou) Co., Ltd. Address before: Hangzhou City, Zhejiang province 310053 Binjiang District Dongxin Road No. 66 East communication D block 208 Patentee before: Aidi Photoelectric (Hangzhou) Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG THINKLUX LIGHTING TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: INVENTRONICS (HANGZHOU), INC. Effective date: 20130401 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 310053 HANGZHOU, ZHEJIANG PROVINCE TO: 315002 HANGZHOU, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130401 Address after: Hangzhou City, Zhejiang province Binjiang District 315002 shore road 95 2 Building 3 layer Patentee after: Thinklux (Zhejiang) Lighting Technology Co., Ltd. Address before: Hangzhou City, Zhejiang province 310053 Binjiang District Dongxin Road No. 66 East communication D block 208 Patentee before: LED ONE (Hangzhou) Co., Ltd. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151110 Address after: 528226, Guangdong province Foshan Nanhai District Luo Cun new light industry base A8 Building 5 floor Patentee after: New light sources re-invent industry center, associating Guangdong, Nanhai District Foshan City Address before: Hangzhou City, Zhejiang province Binjiang District 315002 shore road 95 2 Building 3 layer Patentee before: Thinklux (Zhejiang) Lighting Technology Co., Ltd. |
|
| 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: 20110209 Termination date: 20170702 |