CN201487703U - LED projection lamp - Google Patents
LED projection lamp Download PDFInfo
- Publication number
- CN201487703U CN201487703U CN2009201337977U CN200920133797U CN201487703U CN 201487703 U CN201487703 U CN 201487703U CN 2009201337977 U CN2009201337977 U CN 2009201337977U CN 200920133797 U CN200920133797 U CN 200920133797U CN 201487703 U CN201487703 U CN 201487703U
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- heat
- heat radiation
- radiation matrix
- led
- projecting lamp
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Abstract
The utility model discloses an LED projection lamp, which comprises a lamp body and a radiation device, wherein the lamp body comprises a reflector cup and an LED positioned at the bottom of the reflector cup; the radiation device comprises a radiation substrate and radiation fins positioned on the radiation substrate; the inside of the radiation substrate is hollow, a heat conducting channel forming a loop is arranged in the radiation substrate axially; the LED is arranged in a way of corresponding to the lower end area of the heat conducting channel; a fluid heat conducting medium is filled in the heat conducting channel; and the diameter of the heat conducting channel is more than 1 millimeter. The LED projection lamp of the utility model has an excellent radiation effect. By using the technology of the utility model, a superhigh power projection lamp with a power of 400 to 1,200 watts can be made and the application range of the LED projection lamp is enlarged.
Description
Technical field
The utility model relates to field of illuminating lamps, relates in particular to a kind of LED projecting lamp of perfect heat-dissipating.
Background technology
With the projecting lamp of large-power light-emitting diodes LED, have advantages such as luminous efficiency height, energy-conservation, long service life as light source.
At present, industry is controlled at the high-power LED light source junction temperature about 90 degree, and single power can not surpass 100w, otherwise separately discharging, for example afforest large-scale occasion flood lightings such as Landscape Lighting, RGB stage illumination, lighting, building decoration illumination, airport, harbour in order to make LED be widely used in various occasions, must be with the increase at double of LED power, wanting to increase the power key is exactly the problem that solves heat radiation.Temperature is the fatal problem of LED existence, also is that LED is applied in a great problem in the illumination, and the temperature of led light source node just is to weigh the key of luminous flux attenuation size and life-span length, and the height of temperature influences the luminous efficiency of LED equally.
At present the radiating mode of LED light fixture mainly contains: Natural Heat Convection, install fan forced heat radiation, heat pipe and loop heat pipe heat radiation etc. additional.Natural Heat Convection efficient is low, is not suitable for the great power LED projecting lamp, fan radiating mode system complex, and reliability is low, often is that the life-span of fan is also shorter than chip; Though heat pipe heat radiation and fin heat radiation can't be satisfied the heat radiation requirement of great power LED transmission lamp than Natural Heat Convection efficient height.
The utility model content
For addressing the above problem, the purpose of this utility model is to provide a kind of LED projecting lamp of perfect heat-dissipating.
For achieving the above object, the utility model adopts following structure:
A kind of LED projecting lamp comprises lamp body and heat abstractor,
Described lamp body comprises reflector and is positioned at the LED of reflector bottom that described heat abstractor comprises heat radiation matrix and the fin that is positioned on the heat radiation matrix;
The inside of described heat radiation matrix is hollow, and its inside is axially arranged with the passage of heat that forms the loop, and the low end regions setting of the corresponding passage of heat of described LED is perfused with the fluid heat-conducting medium in the described passage of heat, and the internal diameter of described passage of heat is greater than 1mm.
Described reflector is arranged with guard shield outward.
Described reflector openend is provided with cloche, and described cloche is installed on the reflector openend by last trim ring.
Comprise the fixture that connects heat abstractor.
The hollow inside of described heat radiation matrix has the hollow cylinder that two ends are respectively equipped with guide hole, and the inwall of heat radiation matrix hollow inside has axial tooth line tooth, and described passage of heat is by the tooth line tooth that is positioned at heat radiation matrix inwall and be positioned at described hollow cylinder outer wall and cooperate and form.
The both ends of the surface of described heat radiation matrix have lower sealing cover and top cover labyrinth respectively, described LED and lower sealing cover fit, the passage of heat of described top cover labyrinth that is positioned at heat radiation matrix both ends of the surface and lower sealing cover and described hollow cylinder, heat radiation matrix inwall formation loop.
Be provided with the drain piece between described hollow cylinder and the lower sealing cover, the both ends of the surface that described drain piece is relative with hollow cylinder are the inclined-plane axial with respect to hollow cylinder, and described two inclined-plane levels are also separated by a distance.
Described passage of heat is positioned at described heat radiation matrix inwall.
Comprise at least one sealing ring, described sealing ring is fixed between described heat radiation matrix and top cover labyrinth and heat radiation matrix and the lower sealing cover.
Described heat radiation matrix top cover labyrinth one end is provided with power pack, has the power supply lid on the power pack.
LED projecting lamp described in the utility model, has better heat radiating effect, because the passage of heat diameter is greater than capillary diameter, therefore the mode of the effect of fluid gravity by circulative convection promptly is distributed to heat the fin that reaches the matrix outside on the matrix inwall that dispels the heat again after the climbing power that can utilize fluid evaporator with less resistance and the condensation, with air exchange heat is taken away, and condensed heat-conducting medium is that the mode that the effect by self gravitation is back to heat source region is dispelled the heat, back-flow velocity is fast, the speed of whole circulation convection current is also fast, therefore the heat of thermal source generation can be dispersed into radiating fin and extraneous space by the utility model heat abstractor fast, reaches better radiating effect;
LED projecting lamp described in the utility model can be made into super high power 400-1200W because of having better heat radiating effect, has enlarged the use field of LED projecting lamp.
Description of drawings
Fig. 1 is the structural representation of the utility model LED projecting lamp;
Fig. 2 is the three-dimensional exploded view of the utility model LED projecting lamp;
Fig. 3 is the sectional structure schematic diagram of the utility model LED projecting lamp.
Main drawing reference numeral explanation
1, power supply lid 2, power pack 3, hollow cylinder
4, guard shield 5, reflector 6, last trim ring
7, top cover labyrinth 8, fixture 9, lower sealing cover
10, LED 11, cloche 12, drain piece
13, fin 14, heat radiation matrix
15, passage of heat
The specific embodiment
See also Fig. 1 to Fig. 3, a kind of LED projecting lamp comprises lamp body and heat abstractor, and described lamp body comprises reflector 5 and be positioned at the LED 10 of reflector 5 bottoms, and described heat abstractor comprises heat radiation matrix (14) and is positioned at fin 13 on the matrix that dispels the heat;
The inside of described heat radiation matrix is hollow, and its inside is axially arranged with the passage of heat (15) that forms the loop.Described projecting lamp is obliquely installed in use, and lamp body down.Corresponding to the state that projecting lamp tilts, the low end regions setting of described LED 10 corresponding passages of heat.Be perfused with the fluid heat-conducting medium in the described passage of heat, the internal diameter of described passage of heat is greater than 1mm.
The internal diameter of described passage of heat can also be specifications such as 1.2mm, 1.5mm, 2mm, 3mm, 4mm or 5mm.
The both ends of the surface of described heat radiation matrix have lower sealing cover 9 and top cover labyrinth 7 respectively, and described LED10 and lower sealing cover 9 fit.The hollow inside of described heat radiation matrix has the hollow cylinder 3 that two ends are respectively equipped with guide hole (not indicating among the figure), the inwall of heat radiation matrix hollow inside has axial tooth line tooth (not indicating among the figure), described passage of heat is formed by tooth line tooth (figure does not indicate) that is arranged in heat radiation matrix inwall and the cooperation of described hollow cylinder 3 outer walls, is provided with drain piece 12 between described hollow cylinder 3 and the lower sealing cover 9.
The described top cover labyrinth 7 of heat radiation matrix both ends of the surface and the passage of heat that lower sealing cover 9 and described hollow cylinder 3, the matrix inwall that dispels the heat form loop of being positioned at.
In another kind of embodiment, described passage of heat is positioned at described heat radiation matrix inwall.
For obtaining better radiating effect, vacuumize or be made as low pressure in the described passage of heat and in the hollow cylinder 3, the fluid heat-conducting medium is obtained than low boiling.
In order to increase heat transfer area, described lower sealing cover 9 has heating column (not indicating) towards a side of heat radiation matrix, and described heating column is handled through sandblasting and formed matsurface; And the tooth line tooth of heat radiation matrix inwall, described hollow cylinder 3 outer walls also can be handled through sandblasting and form matsurface.
Heat-conducting medium 34 among the above-mentioned various embodiment can be the low-boiling point liquid of multiple metallic element and multiple inorganic elements reagent composition, and wherein metallic element comprises strontium, beryllium, sodium, titanium, cobalt, chromium, potassium, lawrencium etc.; Inorganic elements reagent comprises EF-44, CH-104, ZH-104, HTM, TX-206, X-301 etc., can be with reference to No. the 6132823rd, United States Patent (USP) about the concrete composition of metallic element and inorganic elements reagent and parameter value.
Be provided with drain piece 12 between described hollow cylinder 3 and the lower sealing cover 9, described drain piece 12 and hollow cylinder 3 relative both ends of the surface are the inclined-plane axial with respect to hollow cylinder, and described two inclined-plane levels are also separated by a distance, and its gap constitutes the part of passage of heat.
Further can also comprise two sealing rings (not indicating among the figure), described two sealing rings are individually fixed between described heat radiation matrix and top cover labyrinth 7 and heat radiation matrix and the lower sealing cover 9.
Be arranged with guard shield 4 outside the described reflector 5, described reflector 5 openends are provided with cloche 11, and described cloche 11 is installed on reflector 5 openends by last trim ring 6.
Described heat radiation matrix top cover labyrinth 7 one ends are provided with power pack 2, have power supply lid 1 on the power pack 2.
Described heat radiation matrix is provided with fixture 8, and described fixture 8 can be installed in desired location with the LED projecting lamp.
LED projecting lamp described in the utility model is in user mode following time, the heat that LED 10 produces under luminance reaches the heat radiation matrix by lower sealing cover 9, add the hot fluid heat-conducting medium, the heat of fluid importing medium reaches lower sealing cover 7 upper ends rapidly and causes its heat-conducting medium of containing boiling through lower sealing cover 9 lower ends, liquid boiling is transformed into gas, passage of heat through the heat radiation matrix reaches heat radiation matrix upper end and all passage of heat inner surfaces to heat rapidly, heat being reached outside heat sink 13 is taken away heat by air again, condensed heat-conducting medium then relies on the effect of gravity to flow back to lower sealing cover 9 again along passage of heat, so circulation.
Described heat-diffusing efficiency of heat abstractor height can be used for the super-high-power LED projecting lamp, has enlarged the use field of LED projecting lamp.
Claims (10)
1. a LED projecting lamp comprises lamp body and heat abstractor, it is characterized in that:
Described lamp body comprises reflector and is positioned at the LED of reflector bottom that described heat abstractor comprises heat radiation matrix and the fin that is positioned on the heat radiation matrix;
The inside of described heat radiation matrix is hollow, and its inside is axially arranged with the passage of heat that forms the loop, and the low end regions setting of the corresponding passage of heat of described LED is perfused with the fluid heat-conducting medium in the described passage of heat, and the internal diameter of described passage of heat is greater than 1mm.
2. a kind of LED projecting lamp according to claim 1, it is characterized in that: described reflector is arranged with guard shield outward.
3. a kind of LED projecting lamp according to claim 1 is characterized in that: described reflector openend is provided with cloche, and described cloche is installed on the reflector openend by last trim ring.
4. a kind of LED projecting lamp according to claim 1 is characterized in that: comprise the fixture that connects heat abstractor.
5. a kind of LED projecting lamp according to claim 1, it is characterized in that: the hollow inside of described heat radiation matrix has the hollow cylinder that two ends are respectively equipped with guide hole, the inwall of heat radiation matrix hollow inside has axial tooth line tooth, and described passage of heat is by the tooth line tooth that is positioned at heat radiation matrix inwall and be positioned at described hollow cylinder outer wall and cooperate and form.
6. a kind of LED projecting lamp according to claim 3, it is characterized in that: the both ends of the surface of described heat radiation matrix have lower sealing cover and top cover labyrinth respectively, described LED and lower sealing cover fit, the passage of heat of described top cover labyrinth that is positioned at heat radiation matrix both ends of the surface and lower sealing cover and described hollow cylinder, heat radiation matrix inwall formation loop.
7. a kind of LED projecting lamp according to claim 6 is characterized in that: comprise at least one sealing ring, described sealing ring is fixed between described heat radiation matrix and top cover labyrinth and heat radiation matrix and the lower sealing cover.
8. a kind of LED projecting lamp according to claim 6 is characterized in that: described heat radiation matrix top cover labyrinth one end is provided with power pack, has the power supply lid on the power pack.
9. a kind of LED projecting lamp according to claim 4, it is characterized in that: be provided with the drain piece between described hollow cylinder and the lower sealing cover, the both ends of the surface that described drain piece is relative with hollow cylinder are the inclined-plane axial with respect to hollow cylinder, and described two inclined-plane levels are also separated by a distance.
10. a kind of LED projecting lamp according to claim 1 is characterized in that: described passage of heat is positioned at described heat radiation matrix inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201337977U CN201487703U (en) | 2009-07-06 | 2009-07-06 | LED projection lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201337977U CN201487703U (en) | 2009-07-06 | 2009-07-06 | LED projection lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201487703U true CN201487703U (en) | 2010-05-26 |
Family
ID=42426582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201337977U Expired - Fee Related CN201487703U (en) | 2009-07-06 | 2009-07-06 | LED projection lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201487703U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155658A (en) * | 2011-03-30 | 2011-08-17 | 金和平 | High-power LED (light emitting diode) illuminating lamp |
| CN102563581A (en) * | 2012-01-11 | 2012-07-11 | 浙江通明电器有限公司 | LED lamp with radiating structure |
| CN103196080A (en) * | 2013-04-02 | 2013-07-10 | 广州市海林电子科技发展有限公司 | Super-power searchlight |
| CN103775998A (en) * | 2014-01-16 | 2014-05-07 | 苏州嘉德鲁机电科技有限公司 | Special-shaped phase-changing type radiator |
| CN104033785A (en) * | 2013-03-04 | 2014-09-10 | 赖日旺 | Far-projection-distance and high-brightness LED lamp |
| CN105276436A (en) * | 2014-06-20 | 2016-01-27 | 甄国富 | LED spotlight structure |
-
2009
- 2009-07-06 CN CN2009201337977U patent/CN201487703U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155658A (en) * | 2011-03-30 | 2011-08-17 | 金和平 | High-power LED (light emitting diode) illuminating lamp |
| CN102563581A (en) * | 2012-01-11 | 2012-07-11 | 浙江通明电器有限公司 | LED lamp with radiating structure |
| CN102563581B (en) * | 2012-01-11 | 2014-06-04 | 浙江通明电器有限公司 | LED lamp with radiating structure |
| CN104033785A (en) * | 2013-03-04 | 2014-09-10 | 赖日旺 | Far-projection-distance and high-brightness LED lamp |
| CN103196080A (en) * | 2013-04-02 | 2013-07-10 | 广州市海林电子科技发展有限公司 | Super-power searchlight |
| CN103196080B (en) * | 2013-04-02 | 2015-04-08 | 广州市海林电子科技发展有限公司 | Super-power searchlight |
| CN103775998A (en) * | 2014-01-16 | 2014-05-07 | 苏州嘉德鲁机电科技有限公司 | Special-shaped phase-changing type radiator |
| CN105276436A (en) * | 2014-06-20 | 2016-01-27 | 甄国富 | LED spotlight structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NANJING ZHONGYA OPTOELECTRONIC TECHNOLOGY CO., LTD Free format text: FORMER OWNER: CAI ZHOU Effective date: 20101022 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518000 BUILDING 43, BAOTIAN INDUSTRIAL DISTRICT, BAOTIAN ROAD 3 (BESIDE QIANJIN ROAD), XIXIANG, BAOAN DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE TO: 210006 NO.25, XIAOXINQIAO EAST STREET, QINHUAI DISTRICT, NANJING CITY |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20101022 Address after: 210006, Qinhuai District, Nanjing, careful Qiaodong street, No. 25 Patentee after: Nanjing Zhongya Opto-electrical Science and Technology Co., Ltd. Address before: 518000 Guangdong city of Shenzhen province Baoan District Xixiang Qianjin Road Po Road Tiansan bota Industrial Zone 43 Patentee before: Cai Zhou |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20100706 |