CN101470335A - Integrated heat radiating device for high pressure mercury lamp of projector - Google Patents
Integrated heat radiating device for high pressure mercury lamp of projector Download PDFInfo
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- CN101470335A CN101470335A CNA2007103083735A CN200710308373A CN101470335A CN 101470335 A CN101470335 A CN 101470335A CN A2007103083735 A CNA2007103083735 A CN A2007103083735A CN 200710308373 A CN200710308373 A CN 200710308373A CN 101470335 A CN101470335 A CN 101470335A
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- air
- fluorescent tube
- lampshade
- heat radiating
- radiating device
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention relates to an integrated heat radiating device of a projector high-voltage mercury lamp, which comprises a lamp shade, a burner, an air supply apparatus, a first air passage and a second air passage. The lamp shade is provided with a reflecting barrier and an opening. The burner located on the inner side of the lamp shade is provided with a first end, a bulb and a second end, and the second end is penetrated in the opening of the lamp shade. The air supply device is used to convey air. The first air passage is used to lead parts of air from the air supply device to the first end of the burner. The second air passage is located on the outer side of the lamp shade, which is used to guide parts of air from the air supply device to the second end of the burner. Therefore, the temperature of the first end and the second end of the burner can be reduced simultaneously.
Description
Technical field
The present invention relates to a kind of heat abstractor, relate to a kind of integrated heat radiating device of high pressure mercury lamp of projector in particular.
Background technology
Referring to Fig. 1, show the synoptic diagram of the heat abstractor of conventional high pressure mercury lamp of projector.The heat abstractor 1 of described conventional high pressure mercury lamp of projector comprises: lampshade 11, fluorescent tube (Burner) 12, blower fan 13, heat dissipation wind channel 14 and aerofoil fan 18.
Described lampshade 11 has reflecting wall 111 and opening 112, and the reflecting wall 111 of described lampshade 11 is an elliposoidal, and the inboard of described reflecting wall 111 has reflection horizon (not shown), in order to reflect the light that described fluorescent tube 12 is sent.Described fluorescent tube 12 is positioned at the inboard of described lampshade 11, and described fluorescent tube 12 has first end 121, wick (Bulb) 122 and second end 123.The inside of described first end 121 is lead (Lead Wire) 19 and preceding paper tinsel (Front Foil), and the inside of described second end 123 is back paper tinsel (Back Foil).Described second end 123 is arranged in the opening 112 of described lampshade 11, and has ceramic mud 17 between second end 123 of the opening 112 of described lampshade 11 and described fluorescent tube 12, with second end 123 of fixing described fluorescent tube 12, and the ends exposed of second end 123 of described fluorescent tube 12 is outside described ceramic mud 17.
Described blower fan 13 has air outlet 131, in order to deliver gas to described heat dissipation wind channel 14.Described heat dissipation wind channel 14 has the first flow 15 and second runner 16, and the first flow 15 of described heat dissipation wind channel 14 has first air intake vent 151 and first air outlet 152.Second runner 16 of described heat dissipation wind channel 14 has second air intake vent 161 and second air outlet 162.Described first air intake vent 151 is adjacent to described second air intake vent 161, described first air outlet 152 and described second air outlet 162 intervals one suitable distance.
The air outlet 131 of described blower fan 13 is towards described first air intake vent 151 and described second air intake vent 161.Described first air outlet 152 is towards first end 121 of described fluorescent tube 12, and described second air outlet 162 is towards the wick 122 of described fluorescent tube 12.During start, described first flow 15 is in order to first end 121 of part from the described fluorescent tube 12 of gas channeling (blowing to) of described blower fan 13, and with the heat that first end 121 of taking away described fluorescent tube 12 is produced, the path definition of this section gas is first air channel.Described second runner 16 is in order to the wick 122 of part from the described fluorescent tube 12 of gas channeling (blowing to) of described blower fan 13, and with the heat that the wick 122 of taking away described fluorescent tube 12 is produced, the path definition of this section gas is second air channel.
The shortcoming of the heat abstractor 1 of described conventional high pressure mercury lamp of projector is that described heat abstractor 1 must additionally increase aerofoil fan 18 near high-pressure sodium lamp, could effectively reduce the temperature of second end 123 of described fluorescent tube 12.Secondly, the wick 122 of described fluorescent tube 12 must be kept certain temperature competence exertion optimum performance, if the too low or too high meeting of temperature causes the high-pressure sodium lamp life-span to shorten, therefore, described second runner 16 continues the wick 122 of part from the described fluorescent tube 12 of the gas channeling of described blower fan 13 controlled described position temperature whereby.
Therefore, be necessary to provide the integrated heat radiating device of the high pressure mercury lamp of projector of a kind of innovation and tool progressive, to address the above problem.
Summary of the invention
Fundamental purpose of the present invention provides a kind of integrated heat radiating device of high pressure mercury lamp of projector, and it comprises: lampshade, fluorescent tube (Burner), air-supply arrangement, first air channel and second air channel.Described lampshade has reflecting wall and opening.Described fluorescent tube is positioned at the inboard of described lampshade, and described fluorescent tube has first end, wick (Bulb) and second end, and described second end is arranged in the opening of described lampshade.Described air-supply arrangement is in order to carry gas.Described first air channel is in order to first end of part from the described fluorescent tube of gas channeling of described air-supply arrangement.Described second air channel is positioned at the outside of described lampshade, in order to second end of part from the described fluorescent tube of gas channeling of described air-supply arrangement.Can reduce the temperature of first end and second end of described fluorescent tube whereby simultaneously.
Description of drawings
Fig. 1 shows the synoptic diagram of heat abstractor of the high pressure mercury lamp of projector of prior art routine;
Fig. 2 shows the synoptic diagram of first embodiment of the integrated heat radiating device of high pressure mercury lamp of projector of the present invention;
Fig. 3 shows the schematic perspective view of second embodiment of the integrated heat radiating device of high pressure mercury lamp of projector of the present invention; And
Fig. 4 shows the cross-sectional schematic of second embodiment of the integrated heat radiating device of high pressure mercury lamp of projector of the present invention.
Embodiment
Referring to Fig. 2, show the synoptic diagram of first embodiment of the heat abstractor of projector of the present invention fluorescent tube.The heat abstractor 2 of described projector fluorescent tube comprises: lampshade 21, fluorescent tube (Burner) 22, air-supply arrangement 23, heat dissipation wind channel 24 and wind-guiding air channel 28.
Described lampshade 21 has reflecting wall 211 and opening 212, and the reflecting wall 211 of described lampshade 21 is an elliposoidal, and the inboard of described reflecting wall 211 has reflection horizon (not shown), in order to reflect the light that described fluorescent tube 22 is sent.Described fluorescent tube 22 is positioned at the inboard of described lampshade 21, and described fluorescent tube 22 has first end 221, wick (Bulb) 222 and second end 223.The inside of described first end 221 is lead (Lead Wire) 29 and preceding paper tinsel (Front Foil), and the inside of described second end 223 is back paper tinsel (Back Foil).Described second end 223 is arranged in the opening 212 of described lampshade 21, and has ceramic mud 27 between second end 223 of the opening 212 of described lampshade 21 and described fluorescent tube 22, with second end 223 of fixing described fluorescent tube 22, and the ends exposed of second end 223 of described fluorescent tube 22 is outside described ceramic mud 27.
Described air-supply arrangement 23 (for example, blower fan) has air outlet 231, in order to deliver gas to described heat dissipation wind channel 24.Described heat dissipation wind channel 24 has the first flow 25 and second runner 26, and the first flow 25 of described heat dissipation wind channel 24 has first air intake vent 251 and first air outlet 252.Second runner 26 of described heat dissipation wind channel 24 has second air intake vent 261 and second air outlet 262.Described first air intake vent 251 is adjacent to described second air intake vent 261, described first air outlet 252 and described second air outlet 262 intervals one suitable distance.
Described wind-guiding air channel 28 is positioned at the outside of described lampshade 21, and extends the outside of described lampshade 21.Described wind-guiding air channel 28 has air intake vent 281 and air outlet 282.
The air outlet 231 of described air-supply arrangement 23 is towards described first air intake vent 251 and described second air intake vent 261.Described first air outlet 252 is towards first end 221 of described fluorescent tube 22, and described second air outlet 262 is towards the air intake vent 281 in described wind-guiding air channel 28, and the air outlet 282 in described wind-guiding air channel 28 is towards second end 223 of described fluorescent tube 22.During start, described first flow 25 is in order to first end 221 of part from the described fluorescent tube 22 of gas channeling (blowing to) of described air-supply arrangement 23, and with the heat that first end 221 of taking away described fluorescent tube 22 is produced, the path definition of this section gas is first air channel.
Described second runner 26 is in order to arrive part the air intake vent 281 in described wind-guiding air channel 28 from the gas delivery of described air-supply arrangement 23, described wind-guiding air channel 28 can be with from the gas of described second runner 26 second end 223 via air outlet 282 guiding (blowing to) the described fluorescent tubes 22 in described wind-guiding air channel 28, with the heat that second end 223 of taking away described fluorescent tube 22 is produced, the path definition of this section gas is second air channel.It should be noted that the air outlet 282 in described wind-guiding air channel 28 should be contained the sidewall of opening 212 of described lampshade 21 and inner ceramic mud 27 thereof, with the end of second end 223 of described fluorescent tube 22.
Preferably, described second air outlet 262 is not combined closely with the air intake vent 281 in described wind-guiding air channel 28, as shown in Figure 2, described second air outlet 262 is an angular cut, make 281 of the air intake vents in described second air outlet 262 and described wind-guiding air channel 28 have the slit, make that gas that described second air outlet 262 of small part carries can be along the inboard of described lampshade 21 reflecting walls 211 and blow to the wick 222 of described fluorescent tube 22, make the temperature of wick 222 of described fluorescent tube 22 be minimized but also be unlikely to descend too much that the path definition of this section gas is the 3rd air channel.Be understandable that the design in described the 3rd air channel is optionally, it is also passable not increase described the 3rd air channel if described second air outlet 262 and the air intake vent 281 in described wind-guiding air channel 28 combined closely.
The present invention and routine techniques difference are that the present invention second air channel is positioned at the outside of described lampshade 21 reflecting walls 211, and second end 223 of the described fluorescent tube 22 that leads, with the temperature of second end 223 that reduces described fluorescent tube 22.In other words, the present invention brushes first end 221 and second end 223 of described fluorescent tube 22 simultaneously, with first end 221 that reduces described fluorescent tube 22 and the temperature of second end 223.In addition, if necessary, can design described the 3rd air channel again, with the temperature of the wick 222 that reduces described fluorescent tube 22.In addition, by the design, the present invention need additionally not increase fan near high-pressure sodium lamp can reach comprehensive heat radiation.And if the following high-pressure sodium lamp that uses higher wattage specification, this heat dissipation design must more can be showed its importance.
Referring to Fig. 3, the schematic perspective view of second embodiment of the integrated heat radiating device of displaying high pressure mercury lamp of projector of the present invention.Referring to Fig. 4, the cross-sectional schematic of second embodiment of the integrated heat radiating device of displaying high pressure mercury lamp of projector of the present invention.The integrated heat radiating device 3 of described high pressure mercury lamp of projector comprises: lampshade 31, fluorescent tube 32, air-supply arrangement 33, heat dissipation wind channel 34, wind-guiding air channel 38 and lamp socket 37.
Described lampshade 31 has reflecting wall 311 and opening 312, and the reflecting wall 311 of described lampshade 31 is an elliposoidal, and the inboard of described reflecting wall 311 has reflection horizon (not shown), in order to reflect the light that described fluorescent tube 32 is sent.Described fluorescent tube 32 is positioned at the inboard of described lampshade 31, and described fluorescent tube 32 has first end 321, wick (Bulb) 322 and second end 323.The inside of described first end 321 is lead (Lead Wire) 39 and preceding paper tinsel (Front Foil), and the inside of described second end 323 is back paper tinsel (Back Foil).Described second end 323 is arranged in the opening 312 of described lampshade 31.
Described lamp socket 37 is sticked in the side ancient piece of jade, round, flat and with a hole in its centre of the opening 312 of described lampshade 31, and the end of second end 323 of described fluorescent tube 32 is inserted in described lamp socket 37, second end 323 with fixing described fluorescent tube 32 that is to say that the end of second end 323 of described fluorescent tube 32 is not exposed in the air.Described lamp socket 37 has the part of opening 371 with second end 323 that exposes described fluorescent tube 32, and second end 323 that is to say described fluorescent tube 32 is exposed in the air near the part of described wicks 322.
Described air-supply arrangement 33 (for example, blower fan) has air outlet 331, in order to deliver gas to described heat dissipation wind channel 34.Described heat dissipation wind channel 34 has the first flow 35 and second runner 36, the first flow 35 of described heat dissipation wind channel 34 has first air intake vent 351 and first air outlet 352, and second runner 36 of described heat dissipation wind channel 34 has second air intake vent 361 and second air outlet 362.Described first air intake vent 351 is adjacent to described second air intake vent 361, described first air outlet 352 and described second air outlet 362 intervals one suitable distance.
Described wind-guiding air channel 38 is positioned at the outside of described lampshade 31, and extends the outside of described lampshade 31.Described wind-guiding air channel 38 has air intake vent 381 and air outlet 382.
The air outlet 331 of described air-supply arrangement 33 is towards described first air intake vent 351 and described second air intake vent 361.Described first air outlet 352 is towards first end 321 of described fluorescent tube 32, and described second air outlet 362 is towards the air intake vent 381 in described wind-guiding air channel 38, and the air outlet 382 in described wind-guiding air channel 38 is towards second end 323 of described fluorescent tube 32.During start, described first flow 35 is in order to first end 321 of part from the described fluorescent tube 32 of gas channeling (blowing to) of described air-supply arrangement 33, and with the heat that first end 321 of taking away described fluorescent tube 32 is produced, the path definition of this section gas is first air channel.Described second runner 36 is in order to arrive part the air intake vent 381 in described wind-guiding air channel 38 from the gas delivery of described air-supply arrangement 33, described wind-guiding air channel 38 can will be exposed to an airborne part in second end 323 of gas via air outlet 382 guiding (blowing to) the described fluorescent tubes 32 in described wind-guiding air channel 38 from described second runner 36, with the heat that second end 323 of taking away described fluorescent tube 32 is produced, the path definition of this section gas is second air channel.
Preferably, described second air outlet 362 is not combined closely with the air intake vent 381 in described wind-guiding air channel 38, shown in 4 figure, described second air outlet 362 is an angular cut, make 381 of the air intake vents in described second air outlet 362 and described wind-guiding air channel 38 have the slit, make that gas that described second air outlet 362 of small part carries can be along the inboard of described lampshade 31 reflecting walls 311 and blow to the wick 322 of described fluorescent tube 32, wick is unlikely and descends too much so that the temperature of the wick 322 of described fluorescent tube 32 is minimized, and the path definition of this section gas is the 3rd air channel.Be understandable that the design in described the 3rd air channel is optionally, it is also passable not increase described the 3rd air channel if described second air outlet 362 and the air intake vent 381 in described wind-guiding air channel 38 combined closely.
The foregoing description only is explanation principle of the present invention and effect thereof, and unrestricted the present invention, and therefore, the those skilled in the art can make amendment to the foregoing description under the situation that does not break away from spirit of the present invention and change.Interest field of the present invention should be listed as appended claims.
Claims (15)
1. the integrated heat radiating device of a high pressure mercury lamp of projector, it comprises:
Lampshade, it has reflecting wall and opening;
Fluorescent tube (Burner), it is positioned at the inboard of described lampshade, and described fluorescent tube has first end, wick (Bulb) and second end, and described second end is arranged in the opening of described lampshade;
Air-supply arrangement, it is in order to carry gas;
First air channel, it is in order to first end of part from the described fluorescent tube of gas channeling of described air-supply arrangement; And
Second air channel, it is positioned at the outside of described lampshade, in order to second end of part from the described fluorescent tube of gas channeling of described air-supply arrangement.
2. integrated heat radiating device according to claim 1, the reflecting wall of wherein said lampshade are elliposoidal.
3. integrated heat radiating device according to claim 1, the inboard of the reflecting wall of wherein said lampshade has the reflection horizon, in order to reflect the light that described wick sends.
4. integrated heat radiating device according to claim 1 has ceramic mud between second end of the opening of wherein said lampshade and described fluorescent tube, and with second end of fixing described fluorescent tube, and the ends exposed of second end of described fluorescent tube is outside described ceramic mud.
5. integrated heat radiating device according to claim 1, it further comprises lamp socket, described lamp socket is sticked in described lampshade, and second end of described fluorescent tube is inserted in the described lamp socket, with second end of fixing described fluorescent tube.
6. integrated heat radiating device according to claim 1, wherein said air-supply arrangement are blower fan.
7. integrated heat radiating device according to claim 1, it further comprises the 3rd air channel, described the 3rd air channel is positioned at the inboard of described lampshade, in order to the wick of part from the described fluorescent tube of gas channeling of described air-supply arrangement.
8. the integrated heat radiating device of a high pressure mercury lamp of projector, it comprises:
Lampshade, it has reflecting wall and opening;
Fluorescent tube (Burner), it is positioned at the inboard of described lampshade, and described fluorescent tube has first end, wick (Bulb) and second end, and described second end is arranged in the opening of described lampshade;
Air-supply arrangement, it is in order to carry gas;
Heat dissipation wind channel, it has the first flow and second runner, and described first flow is in order to first end of part from the described fluorescent tube of gas channeling of described air-supply arrangement, and described second runner is in order to the gas of transport portion from described air-supply arrangement; And
The wind-guiding air channel, it is positioned at the outside of described lampshade, in order to will be from second end of the described fluorescent tube of gas channeling of described second runner.
9. integrated heat radiating device according to claim 8, the reflecting wall of wherein said lampshade are elliposoidal.
10. integrated heat radiating device according to claim 8, the inboard of the reflecting wall of wherein said lampshade has the reflection horizon, in order to reflect the light that described fluorescent tube sends.
11. integrated heat radiating device according to claim 8 has ceramic mud between second end of the opening of wherein said lampshade and described fluorescent tube, with second end of fixing described fluorescent tube, and the ends exposed of second end of described fluorescent tube is outside described ceramic mud.
12. integrated heat radiating device according to claim 8, it further comprises lamp socket, described lamp socket is sticked in described lampshade, and the end of second end of described fluorescent tube is inserted in the described lamp socket, with second end of fixing described fluorescent tube, described lamp socket has the part of opening with second end that exposes described fluorescent tube.
13. integrated heat radiating device according to claim 8, wherein said air-supply arrangement are blower fan.
14. integrated heat radiating device according to claim 8, wherein said second runner is in order to the wick of part from the described fluorescent tube of gas channeling of described air-supply arrangement.
15. integrated heat radiating device according to claim 8, wherein said air-supply arrangement has air outlet, the first flow of described heat dissipation wind channel has first air intake vent and first air outlet, second runner of described heat dissipation wind channel has second air intake vent and second air outlet, described first air intake vent is adjacent to described second air intake vent, has a suitable distance between described first air outlet and described second air outlet, described wind-guiding air channel has air intake vent and air outlet, the air outlet of described air-supply arrangement is towards described first air intake vent and described second air intake vent, described second air outlet is towards the air intake vent in described wind-guiding air channel, and the air outlet in described wind-guiding air channel is towards second end of described fluorescent tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007103083735A CN101470335A (en) | 2007-12-29 | 2007-12-29 | Integrated heat radiating device for high pressure mercury lamp of projector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007103083735A CN101470335A (en) | 2007-12-29 | 2007-12-29 | Integrated heat radiating device for high pressure mercury lamp of projector |
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| CN101470335A true CN101470335A (en) | 2009-07-01 |
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| CNA2007103083735A Pending CN101470335A (en) | 2007-12-29 | 2007-12-29 | Integrated heat radiating device for high pressure mercury lamp of projector |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102193292A (en) * | 2010-03-12 | 2011-09-21 | 三洋科技中心(深圳)有限公司 | Light source cooling device and projector using same |
| CN102242918A (en) * | 2010-05-14 | 2011-11-16 | 广州市番禺区珠江灯光音响实业有限公司 | Lamp radiator structure |
| CN102242916A (en) * | 2010-05-14 | 2011-11-16 | 广州市番禺区珠江灯光音响实业有限公司 | Lamp radiator |
| CN102242917A (en) * | 2010-05-14 | 2011-11-16 | 广州市番禺区珠江灯光音响实业有限公司 | Cooling and air supply system for lamp |
| CN102419508A (en) * | 2010-09-27 | 2012-04-18 | 台达电子工业股份有限公司 | Guiding device and projector comprising same |
| CN102033393B (en) * | 2009-09-29 | 2012-08-15 | 三洋科技中心(深圳)有限公司 | Projection display device |
| CN102792088A (en) * | 2010-03-10 | 2012-11-21 | Nec显示器解决方案株式会社 | Light source device and projection-type display device |
| CN102809139A (en) * | 2011-05-31 | 2012-12-05 | 上海微电子装备有限公司 | Mercury lamp room with cooling system |
| US8740393B2 (en) | 2010-09-16 | 2014-06-03 | Delta Electronics, Inc. | Guiding device and projector comprising the same |
| CN103836596A (en) * | 2012-11-22 | 2014-06-04 | 上海微电子装备有限公司 | High-power mercury lamp lamphouse device |
| CN106200228A (en) * | 2016-08-31 | 2016-12-07 | 常州玉宇电光器件有限公司 | The heat abstractor of high pressure mercury lamp of projector |
| CN107152647B (en) * | 2016-03-02 | 2021-05-18 | 法雷奥照明公司 | Motor vehicle lighting device comprising a light module cooled by means of an air flow generator |
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2007
- 2007-12-29 CN CNA2007103083735A patent/CN101470335A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102033393B (en) * | 2009-09-29 | 2012-08-15 | 三洋科技中心(深圳)有限公司 | Projection display device |
| CN102792088A (en) * | 2010-03-10 | 2012-11-21 | Nec显示器解决方案株式会社 | Light source device and projection-type display device |
| US8851683B2 (en) | 2010-03-10 | 2014-10-07 | Nec Display Solutions, Ltd. | Light source device and projection-type display device |
| CN102193292A (en) * | 2010-03-12 | 2011-09-21 | 三洋科技中心(深圳)有限公司 | Light source cooling device and projector using same |
| CN102193292B (en) * | 2010-03-12 | 2012-11-28 | 三洋科技中心(深圳)有限公司 | Light source cooling device and projector using same |
| CN102242918A (en) * | 2010-05-14 | 2011-11-16 | 广州市番禺区珠江灯光音响实业有限公司 | Lamp radiator structure |
| CN102242916A (en) * | 2010-05-14 | 2011-11-16 | 广州市番禺区珠江灯光音响实业有限公司 | Lamp radiator |
| CN102242917A (en) * | 2010-05-14 | 2011-11-16 | 广州市番禺区珠江灯光音响实业有限公司 | Cooling and air supply system for lamp |
| US8740393B2 (en) | 2010-09-16 | 2014-06-03 | Delta Electronics, Inc. | Guiding device and projector comprising the same |
| CN102419508B (en) * | 2010-09-27 | 2014-11-26 | 台达电子工业股份有限公司 | Guiding device and projector comprising same |
| CN102419508A (en) * | 2010-09-27 | 2012-04-18 | 台达电子工业股份有限公司 | Guiding device and projector comprising same |
| CN102809139A (en) * | 2011-05-31 | 2012-12-05 | 上海微电子装备有限公司 | Mercury lamp room with cooling system |
| CN103836596A (en) * | 2012-11-22 | 2014-06-04 | 上海微电子装备有限公司 | High-power mercury lamp lamphouse device |
| CN103836596B (en) * | 2012-11-22 | 2016-06-01 | 上海微电子装备有限公司 | A kind of superpower mercury lamp room device |
| CN107152647B (en) * | 2016-03-02 | 2021-05-18 | 法雷奥照明公司 | Motor vehicle lighting device comprising a light module cooled by means of an air flow generator |
| CN106200228A (en) * | 2016-08-31 | 2016-12-07 | 常州玉宇电光器件有限公司 | The heat abstractor of high pressure mercury lamp of projector |
| CN106200228B (en) * | 2016-08-31 | 2017-11-03 | 常州玉宇电光器件有限公司 | The heat abstractor of high pressure mercury lamp of projector |
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Open date: 20090701 |