CN201072111Y - Vertical type LED lamp with air convection warehouse - Google Patents
Vertical type LED lamp with air convection warehouse Download PDFInfo
- Publication number
- CN201072111Y CN201072111Y CNU2007201733359U CN200720173335U CN201072111Y CN 201072111 Y CN201072111 Y CN 201072111Y CN U2007201733359 U CNU2007201733359 U CN U2007201733359U CN 200720173335 U CN200720173335 U CN 200720173335U CN 201072111 Y CN201072111 Y CN 201072111Y
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- Prior art keywords
- heat sink
- pin
- circuit board
- led lamp
- current source
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 52
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 52
- 239000004411 aluminium Substances 0.000 claims description 43
- 238000009423 ventilation Methods 0.000 claims description 12
- 239000011148 porous material Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract 11
- 230000010354 integration Effects 0.000 abstract 2
- 235000010210 aluminium Nutrition 0.000 description 34
- 239000003990 capacitor Substances 0.000 description 18
- 230000005855 radiation Effects 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000272173 Calidris Species 0.000 description 1
- 208000033999 Device damage Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model relates to a straight type LED lamp which has an air convection bin. A casing body is composed of a tube body with the external surface being concave convex zigzag, an air inlet opening and an air outlet opening are arranged on the wall, an illuminator and a circuit board are fixed on a lower aluminum cooling plate, the lower aluminum cooling plate is fixed in the casing body, an inner cooling fin is closely fixed around the circuit board and the lower aluminum cooling plate, an upper aluminum cooling plate of a mounting power and a constant current source integration circuit board is fixed on the upper casing body of the inner cooling fin, an air flowing bin is formed through the upper and the lower aluminum cooling plates and the inner wall of the casing body, an air flowing hole is arranged on the periphery of the upper aluminum cooling plate, the air flowing hole is closely fixed by a cylinder-shaped aluminum cooling plate around the power and a constant current source integration circuit board, an aluminum cooling plate which is added above the air flowing hole comprises the power and constant current source positioning bin, a cylinder-shaped aluminum cooling plate and the inner wall of casing body are formed into an air duct, the air flowing bin can take away over 25 percent of heat at the inner part, eliminates the pileup of the heat as the increase of working time during lighting, and the utility model effectively solves the problem of difficulty in radiating.
Description
Technical field
The utility model relates to a kind of straight formula semiconductor LED (Lingtemitting diode) lamp with cross-ventilation storehouse radiator structure.
Background technology
LED lamp power consumption is low, huge energy-saving effect is arranged.A 100W is 8 meters apart from ground level, and illumination is 30LUX, and light is well-illuminated to be the electricity-saving lamp of 4800LM, with the LED lamp ratio of same index, LED lamp power consumption only be electricity-saving lamp 1/5th, common tengsten lamp 1/20th to a thirtieth.LED also have the life-span long, volume is little, can design strong advantages such as (promptly realizing the random layout of illumination light).Over past ten years,, there are many countries not stint the input huge fund in the world for the potential advantages of further developing LED, aspect industrialization technology of realizing high-power, high-efficiency LED chip production technology or the like.In 1998, the U.S. started " national semiconductor lighting plan " in succession in 2000 as Japan.The project verification of China calendar year 2001 863 Program, in June, 2003 emergency start " national semiconductor lighting engineering ".Now, owing to cracked gradually and grasped in chip-count, the excitaton source of carrier injection generation different color and technical process such as proportion relation, the manufacture difficulty of brightness, make the LED lamp realize the advantage that working voltage is low, usefulness is high, volume is little, stability is strong, the response time is short, color can be changeable.As the power source of LED illuminator, promptly voltage and current then is the key of LED lamp.Power supply, constant-current source are made up of many electronic devices, and the heat that they distribute in the work causes the electronic device damage, and even directly influences the system-wide service behaviour life-span.The LED lamp of former instinct operate as normal more than 50,000 hours just can't be discharged because of high heat in the work, be difficult to break through 10,000 hours in actual applications, and the hundreds of of can only working that has is hour just no longer luminous.For solve heat that the LED lamp come out and the heat that comes out for LED illuminating circuit system in luminescence process, basically all be that power supply, constant-current source, LED are divided into two partly assemblings to the above high-powered LED lamp of 10W in the world at present, spread heat is handled.On the solution heat dissipation problem, nearly all adopt the way of dispelling the heat by fin in the arc mode at the back side of LED illuminator.Make volume very big and weight is very heavy in order to reach certain area of dissipation.Not only the cost height uses inconvenience, and volume is big, also fundamentally solves as how enough area of dissipations or radiating mode and realizes that whole circuit is in the problem of working under the normal temperature.This defective has limited the extensive use of LED lamp to a great extent.This is to cause the LED lamp particularly high-powered LED lamp can not widespread usage and one of the reason of popularization.Former two is that the LED lamp costs an arm and a leg therefore, this is because LED illuminator self price height, in addition in light fixture manufacturing and assembling process for reducing heat build-up then with power supply with constant-current source independently is made and assemble, cost of manufacture height not only, the special installation apparatus of employing also makes and holds at high price.The key of heat radiation depends on heat sink material and area of dissipation and ventilation degree.And the cross-ventilation heat radiation is the forbidden zone of LED lamp, enters the LED light fixture for preventing air, and the way that seals is nearly all adopted in the not oxidized and corrosion of holding circuit and electric elements, emphasizes water resistance, and this just causes difficulty to heat radiation.At present, the application of LED lamp also only limits to power below 10W in the world, how to solve the LED lamp as an above-mentioned difficult problem that occurs in the lighting engineering, make the LED lamp particularly high-powered LED lamp can widespread usage and promote then be the focus that people pay close attention to and capture in the current LED lamp application technology.
The utility model content
The purpose of this utility model is in conjunction with a kind of straight formula LED lamp with cross-ventilation storehouse radiator structure of heat radiating fin structure design according to the cross-ventilation principle, make interior hot gas of LED lamp body and external cryogenic gas formation convection current, cold and hot gas flow and exchange zone are walked hot gas, quicken heat radiation and strengthen area of dissipation and ventilation degree, solve the difficult problem of LED lamp heat radiation in limited range.
Straight formula LED lamp with cross-ventilation storehouse described in the utility model is made up of the housing with heat sinking function, power supply and constant-current source integrated circuit plate, LED illuminator, circuit board, aluminium heat sink, several parts of interior fin; Housing with heat sinking function is the taper shape of concavo-convex square profile of tooth by outer surface, cylindrical, ellipse or rectangle body constitute, have two row's air admission holes on the surrounding wall of lower end, have two on the surrounding wall of upper end and discharge pore, the LED illuminator is installed on the circuit board, circuit board is fixed on down on the aluminium heat sink, following aluminium heat sink is fixed on air admission hole below in the housing, interior fin is a square profile of tooth fin, be fastened on around circuit board and the following aluminium heat sink, the last aluminium heat sink that power supply and constant-current source integrated circuit plate are installed is fixed on the upper shell of interior fin, two blocks of aluminium heat sinks and inner walls form the air storehouse of flowing up and down, have air flow hole on the periphery of last aluminium heat sink, be fastened on power supply and constant-current source integrated circuit panel area by cylindrical shape aluminium heat sink, add a cover an aluminium heat sink on it and constitute power supply and constant-current source integrated circuit plate place position, circular aluminium heat sink and inner walls constitute ventilating duct, light cover is connected with the housing upper end, lamp holder connects light cover, the junction has the gas outlet, be located at the housing bottom outward, lamp holder is general screw socket and socket lamp holder.
The a part of heat loss through conduction that relies on aluminium sheet of the heat that produces during the work of LED lamp, another is partly taken away by the mobile of air in the air bin.The LED lamp is installed on the circuit board, but the heating of LED lamp partly is to be close on the heat-dissipating aluminium plate, this heat-dissipating aluminium plate is to tighten together with the housing that has heat sinking function, and the heat-dissipating aluminium plate that produces heat when directly having born the work of LED lamp is delivered to distribute heat on the housing to heat.On process implementing, housing is made concavo-convex huge odontoid, be for increase with the contact-making surface of air to strengthen heat exchange area, make its radiating effect better.The housing that has heat sinking function has distributed a part of heat, and all the other heats are taken away by the moving air of air bin.Cold air enters air bin in the housing from the air admission hole on the housing, after carrying out heat exchange with hot gas, be passed in the heat radiation air flow hole that has on the periphery of aluminium heat sink, by the ventilating duct that circular aluminium heat sink and inner walls constitute, venthole is taken heat outside the housing out of from housing.According to not having air bin and the LED lamp contrast that is provided with air bin to show: only air bin just can be taken away inner heat more than 25%.Because air bin arranged, cross-ventilatedly speed up, the heat of taking away is just many more, has eliminated LED lamp heat when luminous and can effectively solve the difficult problem of LED lamp heat radiation along with the build-up effect of the increase of working time.
In this product, the creationary cross-ventilation principle of having used has been broken at present the forbidden zone of LED lamp making in the world, and air enters the LED light fixture, the oxidized and corrosion of circuit and electric elements meeting, and the way of employing sealing is emphasized water resistance, causes difficulty to heat radiation.
The utility model effect:
1, because heat sinking function improves greatly, effectively raises the life-span of LED illuminator and electric elements, the shortlyest surpass 10,000 hours, realized that the life-span reached more than 50,000 hours from having become from the longest 10,000 hours the service life of high-powered LED lamp in the world at present.
2, existing product normally power supply and separately assembling of constant-current source, owing to be not one, not only needs special mounting in order to disperse heat radiation, can't be general.Change power supply and constant-current source into the one assembling, not only easy for installation, can be general, also saved cost.Example: as present street lamp in the street, change and use the LED lamp,, except attractive in appearance, also need other facility complete removal except that lamp stand is fallen, reinstall the LED lamp with LED lamp in the past.So not only the cost of material (accessory) will improve, and artificial mounting cost also will increase.Such one tears a dress open, and each street lamp approximately will increase by 500 yuan of installation costs (light fixture of special lamp, part, outer cover, power pack can be saved 400 yuan, 100 yuan of labour costs).And the present invention need only use the expense of Gao Dengche, labour cost to be about 50 yuan LED lamp stubborn getting final product on transitional street lamps.
3, the cost of manufacture of this LED lamp significantly reduces, and the LED lamp on original market is to increase area of dissipation at the back side of LED illuminator with arc or taper mode, and area is very big, volume is very heavy.
4, because the volume of LED lamp and body weight reduce and alleviate, make lamp holder can use general screw socket or socket, be convenient to the universal use of LED lamp.
LED lamp with 21W is an example:
LED lamp weight on original market is 2.5 kilograms.
This LED lamp weight only is 1 kilogram.Each LED lamp can be saved 1.5 kilograms of aluminiums.Minimum market price by present aluminium ingot: per kilogram is 22 yuan of calculating, and it is 33 yuan that each LED lamp can be saved the aluminium valency.
In addition, the independent assembling of power supply need increase by 50 yuan of costs approximately.
Only this example shows: the LED lamp on using LED lamp of the present invention and using original market is compared, and the LED lamp of each 21W can be saved 533 yuan of usage charges.The another final purpose that has solved the LED lamp is the expensive problem of LED lamp cost.
Description of drawings
The straight formula LED modulated structure of Figure 121 W schematic diagram.
The straight formula LED lamp of Figure 22 1W A-A structural representation.
Fig. 3 power supply and constant-current source integrated circuit circuit diagram.
Specific embodiments
Present embodiment is that example is seen Fig. 1,2 with the straight formula LED lamp of 21W, and the straight formula LED modulated structure with cross-ventilation storehouse is carried out concrete narration.
Straight formula LED lamp with cross-ventilation storehouse described in the utility model is made up of the housing 5 with heat sinking function, power supply and constant-current source integrated circuit plate 10, LED illuminator 2, circuit board 3, three aluminium heat sinks, cylindrical shape aluminium heat sink 12, interior fin 6; Housing 5 with heat sinking function is the taper shape of concavo-convex square profile of tooth by outer surface, cylindrical, ellipse or rectangle body constitute, have on the surrounding wall of lower end two row totally 36 circular holes be air admission hole 7, the upper end have on the surrounding wall two rows totally 36 circular holes be venthole 13, LED illuminator 2 is installed on the circuit board 3, circuit board is fixed on down on the aluminium heat sink 4, following aluminium heat sink 4 is fixed on air admission hole 7 belows in the housing 5, interior fin 6 is a square profile of tooth fin, be fastened on around circuit board 3 and the following aluminium heat sink 4, the last aluminium heat sink 19 that power supply and constant-current source integrated circuit plate 10 are installed is fixed on the upper shell 5 of interior fin 6, two blocks of aluminium heat sinks 4 up and down, 19 and housing 5 inwalls form the air storehouse 8 of flowing, have 36 air flow hole 9 on the periphery of last aluminium heat sink 19, be fastened on around power supply and the constant-current source integrated circuit plate 10 by cylindrical shape aluminium heat sink 12, add a cover an aluminium heat sink 14 on it and constitute the place position 18 of placing power supply and constant-current source integrated circuit plate 10, cylindrical shape aluminium heat sink 12 and housing 5 inwalls constitute ventilating duct 11, light cover 15 is connected with housing 5 upper ends, lamp holder 17 connects light cover 15, the junction has gas outlet 16, outer cover 1 is located at housing 5 bottoms, and lamp holder is general screw socket and socket lamp holder.Constant-current source circuit is as follows:
1 pin of resistance R 2 is connected with the positive pole of LED illuminator, and is connected with+24V positive source; 2 pin of resistance R 2 are connected with the tie point of 1 pin of 2 pin of triode Q2 and triode Q3; 1 pin of triode Q2 is connected the back and is connected with 3 pin of triode Q3 with 1 pin of resistance R 6,1 pin of resistance R 7 is connected with the tie point of 3 pin of 1 pin of triode Q2 and triode Q3; 2 pin ground connection of 3 pin of triode Q2,2 pin of resistance R 6, resistance R 7; 2 pin of triode Q3 are connected with the negative pole of LED illuminator;
Power circuit is as follows:
1 pin of capacitor C 1 is connected with civil power+220V with 1 pin of eddy current circle T1 respectively; 2 pin of capacitor C 1 are connected with civil power-220V with 2 pin of eddy current circle T1 respectively; 3 pin of eddy current circle T1 are connected with 1 pin of temperature and resistance RT; 2 pin of temperature and resistance RT are connected with 1 pin of rectifier D1; 4 pin of eddy current circle T1 are connected with 3 pin of rectifier D1; The 4 pin ground connection of rectifier D1; Be connected 2 pin ground connection of capacitor C 2 with 1 pin of capacitor C 2 behind 2 pin of the 2 pin connection voltage-stabiliser tube D2 of rectifier D1 and 1 pin of transformer T2; 1 pin of voltage-stabiliser tube D2 is connected with 2 pin of fast recovery diode D3; Be connected with 1 pin of pulse width modulated inverter Q1 behind 2 pin of the 1 pin connection transformer T2 of fast recovery diode D3; The 2 pin ground connection of pulse width modulated inverter Q1; Be connected the 2 pin ground connection of diode D6 with 1 pin of diode D6 behind 3 pin that 3 pin of pulse width modulated inverter Q1 connect optocoupler U2 and the tie point of 1 pin of resistance R 5; 2 pin of resistance R 5 connect 1 pin of capacitor C 8; 2 pin of 2 pin of capacitor C 8,1 pin of capacitor C 7, capacitor C 5, the 6 pin ground connection of transformer T2; 3 pin of transformer T2 are connected with 1 pin of fast recovery diode D5; 2 pin of fast recovery diode D5 are connected with 1 pin of 1 pin of capacitor C 3, L1,1 pin of optocoupler U2,1 pin of diode D7; 2 pin ground connection of 4 pin of transformer T2,2 pin of capacitor C 3, capacitor C 4; 5 pin of transformer T2 are connected with 1 pin of diode D4; 4 pin of 2 pin of diode D4,1 pin of capacitor C 5, optocoupler U2 connect; 2 pin ground connection of 6 pin of transformer T2, capacitor C 5; 2 pin of optocoupler U2 are connected with an end of resistance R 1; 1 pin of 3 pin of the other end of resistance R 1, voltage reference U1,2 pin of diode D7, capacitor C 6 connects; 2 pin of 2 pin of voltage reference U1,2 pin of capacitor C 7, resistance R 4 are connected with ground; Be connected with 2 pin of resistance R 3 behind 2 pin of the 1 pin connection capacitor C 6 of voltage reference U1 and 1 pin of resistance R 4; 2 pin of inductance L 1 connect 1 pin of resistance R 3 and 1 pin of capacitor C 4 is connected, and are connected 2 pin ground connection of capacitor C 4 with+24V positive source again.
Claims (1)
1. straight formula LED lamp with cross-ventilation storehouse, by housing with heat sinking function, power supply and constant-current source integrated circuit, the LED illuminator, circuit board, the aluminium heat sink, several parts of interior fin are formed, it is characterized in that: the housing with heat sinking function is the taper shape of concavo-convex square profile of tooth by outer surface, cylindrical, ellipse or rectangle body constitute, have two row's air admission holes on the surrounding wall of lower end, have two on the surrounding wall of upper end and discharge pore, the LED illuminator is installed on the circuit board, circuit board is fixed on down on the aluminium heat sink, following aluminium heat sink is fixed on air admission hole below in the housing, interior fin is a square profile of tooth fin, be fastened on around circuit board and the following aluminium heat sink, the last aluminium heat sink that power supply and constant-current source integrated circuit plate are installed is fixed on the upper shell of interior fin, two blocks of aluminium heat sinks and inner walls form the air storehouse of flowing up and down, have air flow hole on the periphery of last aluminium heat sink, be fastened on power supply and constant-current source integrated circuit panel area by cylindrical shape aluminium heat sink, add a cover an aluminium heat sink on it and constitute power supply and constant-current source integrated circuit plate place position, circular aluminium heat sink and inner walls constitute ventilating duct, light cover is connected with the housing upper end, lamp holder connects light cover, the junction has the gas outlet, be located at the housing bottom outward, lamp holder is general screw socket and socket lamp holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201733359U CN201072111Y (en) | 2007-09-25 | 2007-09-25 | Vertical type LED lamp with air convection warehouse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201733359U CN201072111Y (en) | 2007-09-25 | 2007-09-25 | Vertical type LED lamp with air convection warehouse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201072111Y true CN201072111Y (en) | 2008-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201733359U Expired - Fee Related CN201072111Y (en) | 2007-09-25 | 2007-09-25 | Vertical type LED lamp with air convection warehouse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201072111Y (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010072164A1 (en) * | 2008-12-25 | 2010-07-01 | Hongjiao Chen | High power led bulb |
| CN101858504A (en) * | 2009-04-13 | 2010-10-13 | 富准精密工业(深圳)有限公司 | Illumination device |
| WO2011011926A1 (en) * | 2009-07-31 | 2011-02-03 | Qin Biao | Led lighting lamp and led lamp illuminator thereof |
| CN102287789A (en) * | 2011-07-08 | 2011-12-21 | 黎昌兴 | Cooling device of LED (light-emitting diode) lamp capable of safely increasing air flow rate |
| WO2012000225A1 (en) * | 2010-07-01 | 2012-01-05 | Wong Raymond | Led illumination lamp |
| CN102679290A (en) * | 2011-03-10 | 2012-09-19 | 中山新辉灯饰有限公司 | heat sink |
| CN102913785A (en) * | 2012-09-19 | 2013-02-06 | 广东奥其斯科技有限公司 | LED bulb |
| CN105889769A (en) * | 2016-04-18 | 2016-08-24 | 谢广鹏 | Intelligent LED lamp with fan |
| CN106015957A (en) * | 2016-06-05 | 2016-10-12 | 胡洁维 | Intelligent LED light with dust screen |
| CN106051480A (en) * | 2016-06-05 | 2016-10-26 | 胡洁维 | Smart LED lights |
| CN106415111A (en) * | 2014-04-01 | 2017-02-15 | 维雅比祖诺有限责任公司 | LED lighting system |
| CN107041612A (en) * | 2017-06-03 | 2017-08-15 | 李家俊 | A kind of outdoor solar protection devices |
| CN108006548A (en) * | 2017-11-29 | 2018-05-08 | 西安智海电力科技有限公司 | The high-power LED lamp that a kind of power supply is thermally isolated |
-
2007
- 2007-09-25 CN CNU2007201733359U patent/CN201072111Y/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010072164A1 (en) * | 2008-12-25 | 2010-07-01 | Hongjiao Chen | High power led bulb |
| CN101858504A (en) * | 2009-04-13 | 2010-10-13 | 富准精密工业(深圳)有限公司 | Illumination device |
| WO2011011926A1 (en) * | 2009-07-31 | 2011-02-03 | Qin Biao | Led lighting lamp and led lamp illuminator thereof |
| WO2012000225A1 (en) * | 2010-07-01 | 2012-01-05 | Wong Raymond | Led illumination lamp |
| CN102679290A (en) * | 2011-03-10 | 2012-09-19 | 中山新辉灯饰有限公司 | heat sink |
| CN102287789A (en) * | 2011-07-08 | 2011-12-21 | 黎昌兴 | Cooling device of LED (light-emitting diode) lamp capable of safely increasing air flow rate |
| CN102913785A (en) * | 2012-09-19 | 2013-02-06 | 广东奥其斯科技有限公司 | LED bulb |
| CN106415111A (en) * | 2014-04-01 | 2017-02-15 | 维雅比祖诺有限责任公司 | LED lighting system |
| CN106415111B (en) * | 2014-04-01 | 2020-03-24 | 维雅比祖诺有限责任公司 | LED lighting system |
| CN105889769A (en) * | 2016-04-18 | 2016-08-24 | 谢广鹏 | Intelligent LED lamp with fan |
| CN106015957A (en) * | 2016-06-05 | 2016-10-12 | 胡洁维 | Intelligent LED light with dust screen |
| CN106051480A (en) * | 2016-06-05 | 2016-10-26 | 胡洁维 | Smart LED lights |
| CN107041612A (en) * | 2017-06-03 | 2017-08-15 | 李家俊 | A kind of outdoor solar protection devices |
| WO2018218784A1 (en) * | 2017-06-03 | 2018-12-06 | 李家俊 | Outdoor shading device |
| CN108006548A (en) * | 2017-11-29 | 2018-05-08 | 西安智海电力科技有限公司 | The high-power LED lamp that a kind of power supply is thermally isolated |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080611 Termination date: 20091026 |