CN103456598A - Small-power metal halide direct current lamp - Google Patents
Small-power metal halide direct current lamp Download PDFInfo
- Publication number
- CN103456598A CN103456598A CN2013104015745A CN201310401574A CN103456598A CN 103456598 A CN103456598 A CN 103456598A CN 2013104015745 A CN2013104015745 A CN 2013104015745A CN 201310401574 A CN201310401574 A CN 201310401574A CN 103456598 A CN103456598 A CN 103456598A
- Authority
- CN
- China
- Prior art keywords
- direct current
- metal halide
- current lamp
- power metal
- low power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910001507 metal halide Inorganic materials 0.000 title claims abstract description 35
- 150000005309 metal halides Chemical class 0.000 title claims abstract description 35
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 33
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000010453 quartz Substances 0.000 claims abstract description 28
- UAYWVJHJZHQCIE-UHFFFAOYSA-L zinc iodide Chemical compound I[Zn]I UAYWVJHJZHQCIE-UHFFFAOYSA-L 0.000 claims abstract description 28
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052753 mercury Inorganic materials 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 9
- 239000000945 filler Substances 0.000 claims description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 5
- 229910052721 tungsten Inorganic materials 0.000 claims description 5
- 239000010937 tungsten Substances 0.000 claims description 5
- WLTSUBTXQJEURO-UHFFFAOYSA-N thorium tungsten Chemical compound [W].[Th] WLTSUBTXQJEURO-UHFFFAOYSA-N 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 abstract description 4
- 229910052724 xenon Inorganic materials 0.000 abstract description 2
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052750 molybdenum Inorganic materials 0.000 abstract 2
- 239000011733 molybdenum Substances 0.000 abstract 2
- 229910018094 ScI3 Inorganic materials 0.000 abstract 1
- RZQFCZYXPRKMTP-UHFFFAOYSA-K dysprosium(3+);triiodide Chemical compound [I-].[I-].[I-].[Dy+3] RZQFCZYXPRKMTP-UHFFFAOYSA-K 0.000 abstract 1
- 238000005286 illumination Methods 0.000 abstract 1
- DKSXWSAKLYQPQE-UHFFFAOYSA-K neodymium(3+);triiodide Chemical compound I[Nd](I)I DKSXWSAKLYQPQE-UHFFFAOYSA-K 0.000 abstract 1
- 238000001914 filtration Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 101100117236 Drosophila melanogaster speck gene Proteins 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
- Discharge Lamp (AREA)
Abstract
The invention belongs to the technical field of illumination of light sources, and particularly relates to a small-power metal halide direct current lamp which is stable in arc and can work under a direct current stabilizer. The small-power metal halide direct current lamp comprises a quartz bubble shell, wherein a sealed light-emitting arc tube is arranged in the quartz bubble shell, a cathode and an anode are arranged in the sealed light-emitting arc tube, one end of the cathode extends into the light-emitting arc tube, the anode is matched with the cathode, the other end of the cathode and the other end of the anode are located in the quartz bubble shell and are connected with molybdenum sheets respectively, the molybdenum sheets are connected with molybdenum rod leads respectively, the molybdenum rod leads extend out of the quartz bubble shell, the light-emitting arc tube is filled with stuffing, the stuffing comprises 3-6.5 atmospheres of xenon, 0.5-0.9mg of mercury, zinc iodide and one or more of metal halide DyI3, DyBr3, HoBr3, NdI3, CsI, InI, NaI, ScI3, ThI4 and T1I. The small-power metal halide direct current lamp can output stable light rays, bring convenience to using and reduce using cost of users, and is long in service life.
Description
Technical field
The invention belongs to the power supply lighting technical field, be specifically related to a kind of low power metal halide direct current lamp with arc stability that can work under the direct current stabilizer.
Background technology
The luminous arc of metal halide direct current lamp is short, and focal position in the porjection type reflector of lamp need to being packed into, then fully use the reflection of light principle, just can better promote the utilance of bulb light, so the light source for searching that is used to directional lighting of success.The luminous efficiency of metal halide lamp is 6-10 times of traditional tungsten filament lamp sources, its power also than the high 10-20 of tungsten filament lamp & lantern doubly, it is onesize light-emitting zone, low-power metal halide lamp is exportable exceeds tens times of luminous fluxes to hundreds of times, so this class light source is particularly suitable as the light source for searching under special occasions.But existing metal halide direct current lamp is due to the halide of filling in the luminous arc pipe, scintillation in use easily appears in such direct current lamp, and light can not be stablized, and to use, brings unsteadiness, and, due to the existence of scintillation, also easily shorten the useful life of direct current lamp.
Early stage low-power metal halide lamp is operated under exchange status, and also will be reverse into interchange to the stabilizer that uses direct current (automobile storage battery) power supply could use, so, for output, it is also the direct current stabilizer, simplify circuit, reduce failure rate, also decrease production cost.
Summary of the invention
For above-mentioned technical problem, the invention provides a kind of low power metal halide direct current lamp that scintillation do not occur, the light that it can stable output, bring convenience to use, and long service life reduces user's use cost.
Realize that technical scheme of the present invention is as follows:
Low power metal halide direct current lamp, comprise quartz bulb shell, establish Packed luminous arc pipe in quartz bulb shell, be provided with the anode that an end stretches into the negative electrode in the luminous arc pipe and coordinates with negative electrode in the luminous arc pipe, the other end of negative electrode and anode also is connected with respectively molybdenum sheet in quartz bulb shell, described molybdenum sheet is connected with respectively the molybdenum rod lead-in wire that extends to the quartz bulb shell outside, be filled with filler in described luminous arc pipe, filler comprises 3-6.5 atmospheric xenons, 0.5 the mercury of-0.9mg, metal halide DyI
3, DyBr
3, HoBr
3, NdI
3, CsI, InI, NaI, ScI
3, ThI
4, TlI one or more combination, and zinc iodide.
Described zinc iodide is 0.01mg-0.2mg.The interpolation of zinc iodide can make the electrical discharge arc of lamp more stable, makes lamp in use there is no flickering, guarantees that the normal of lamp effectively used, and extends the useful life of lamp.
The purple bubble pipe of the filter that described quartz bulb shell is external diameter 8.0mm～10.0mm.Ultraviolet composition in effectively luminous in the elimination lamp.
In order to guarantee the smooth and easy accurate electric discharge of negative electrode and positive electrode, the arcing distance in described luminous arc pipe between negative electrode and anode is 3mm-5.5mm.
The width of described molybdenum sheet is 1.0mm-2.2mm, and thickness is 0.023-0.030mm.
Described luminous arc pipe is made by quartz material, and its wall thickness is between 1.0mm～1.6mm, and external diameter is between 5.5mm～7.5mm.
The power of described direct current lamp is 10W-100W.
The colour temperature of described direct current lamp is between 3000K～25000K.
Described negative electrode adopts thorium tungsten material to make, and diameter is between 0.10mm-0.40mm; Anode adopts pure tungsten material to make, and diameter is between 0.20mm-0.6mm.
Adopted such scheme, the light fixture of this spline structure has light output extremely stable, and electrical discharge arc is short, is similar to the advantages such as small-power of point-source of light; Adopt the lamp of this kind of structure; the spot location produced when this lamp is on the focal position of porjection type reflector; the luminous flux that light source self sends can be reflexed to the irradiation area of setting fully; reach the effect that increases irradiation distance and improve area to be illuminated territory visibility; and because quartz bulb shell is the purple bubble pipe of filter; the ultraviolet portion that light source sends can be filtered, and has so just effectively protected the reflecting surface of reflector, has extended the life-span of reflector.By add zinc iodide in the luminous arc pipe, can make the electrical discharge arc of lamp more stable, make lamp in use there is no flickering, guarantee that the normal of lamp effectively used, and extends the useful life of lamp.
The low power metal halide direct current lamp with arc stability of the present invention's design, the luminous arc pipe of being made by quartz glass and a target and the anode enclosed in it, form arc chamber in the luminous arc pipe, before the sealing-in arc chamber, after adding mercury, metal halide, zinc iodide in arc chamber, be filled with 3-6.5 atmospheric xenons by high vacuum exhaustion, then arc chamber is carried out to sealing-in, make arc chamber in the vacuum seal state; The non-matching hermetic seal characteristic of two electrodes by molybdenum sheet completes and being connected of luminous arc pipe, and gone between and being electrically connected to of molybdenum sheet by molybdenum rod; Then overlap the quartz bulb shell of upward filtration purple, make finished product hair bubble; Atmospheric xenon is arranged between 3-6.5 for starting gas when static in the luminous arc pipe, to reach, to open be bright light output requirement.The metal halide direct current lamp that utilizes the present invention to make is a kind of small light, and its watt level is between 10W-100W, and operating current, in the 0.10A-0.8A scope, is specially adapted to battery powered search luminaire light source.Change the formula of metal halide, can produce the color temperature lamp that 3000K-25000K does not wait, the life-span of corresponding lamp in 1000-3000 hour scope, the flicker that the light importantly produced can not produce certain frequency as existing lamp, the light that lamp of the present invention sends is stable, the flicker free sense.
The low power metal halide direct current lamp that utilizes the present invention to make, near the negative electrode place, obvious speck is being arranged during its burning-point, be similar to point-source of light, can significantly promote the radiation response of the projector, the Reconnaissance, Long Range occasions such as highway, railway, ocean can be widely used in, and various types of automobile fronts can be widely used in after reasonable light fixture coordinates.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
The telescopic lamp schematic diagram of Fig. 2 for adopting the present invention to assemble out;
In accompanying drawing, 1 is quartz bulb shell, and 2 is the luminous arc pipe, and 3 is negative electrode, and 4 is anode, and 5 is molybdenum sheet, and 6 is the molybdenum rod lead-in wire, and 7 is lamp socket, and 8 is lamp housing, and 9 is light barrier, and 10 is porcelain bushing, and 11 is arc chamber.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further described.
Referring to Fig. 1, low power metal halide direct current lamp, comprise quartz bulb shell 1, the purple bubble pipe of the filter that quartz bulb shell 1 is external diameter 8.0mm～10.0mm, establish Packed luminous arc pipe 2 in quartz bulb shell 1, be provided with an end in the luminous arc pipe and stretch into the negative electrode 3 in the luminous arc pipe and the anode 4 coordinated with negative electrode, negative electrode adopts thorium tungsten material to make, and diameter is between 0.10mm-0.40mm; Anode adopts pure tungsten material to make, and diameter is between 0.20mm-0.6mm.Form luminous arc after energising between negative electrode and positive electrode, the other end of negative electrode and anode also is connected with respectively molybdenum sheet 5 in quartz bulb shell, molybdenum sheet is connected with respectively the molybdenum rod lead-in wire 6 that extends to the quartz bulb shell outside, be filled with filler in the luminous arc pipe, filler comprises 3-6.5 atmospheric xenons, 0.5 the mercury of-0.9mg, metal halide DyI
3, DyBr
3, HoBr
3, NdI
3, CsI, InI, NaI, ScI
3, ThI
4, TlI one or more combination, and zinc iodide.Zinc iodide is 0.01mg-0.2mg, and in concrete enforcement, zinc iodide can be 0.01mg, 0.05mg, 0,1mg, 0.15mg, 0,2mg; Arcing distance in the luminous arc pipe between negative electrode 3 and anode 4 is 3mm-5.5mm.The width of molybdenum sheet is 1.0mm-2.2mm, and thickness is 0.023-0.030mm.Luminous arc pipe 2 is made by quartz material, and its wall thickness is between 1.0mm～1.6mm, and external diameter is between 5.5mm～7.5mm.The power of direct current lamp is 10W-100W.The colour temperature of direct current lamp is between 3000K～25000K.
The telescopic lamp schematic diagram of Fig. 2 for adopting the present invention to assemble out, comprise lamp socket 7, is arranged on the lamp housing 8 on lamp socket; and the light barrier 9 of lamp housing front end; direct current lamp of the present invention is assemblied in lamp housing, and lead-in wire is protected by porcelain bushing 10, has so just formed a complete light fixture.
Embodiment mono-
The external diameter 6.0mm made by quartz glass, long 7.2mm, wall thickness 1.0mm luminous arc pipe and enclose the negative electrode of the diameter 0.1mm in it and the anode of diameter 0.2mm, form arc chamber 11 in the luminous arc pipe, the arcing distance between negative electrode and anode is 4.0mm; Before the sealing-in arc chamber, to adding mercury, the ScI of 0.7mg in arc chamber
3: NaI:ThI
4=22:75:3 grain be filled with 6 atmospheric xenons by high vacuum exhaustion, then carries out sealing-in by arc chamber after being heavily the zinc iodide of metal halide, 0.05mg of 0.2mg, makes arc chamber in the vacuum seal state; The non-matching hermetic seal characteristic of two electrodes by molybdenum sheet completes and being connected of luminous arc pipe, and gone between and being electrically connected to of molybdenum sheet by molybdenum rod; The width of molybdenum sheet is 1.5mm, and thickness is 0.023mm; Then overlap the external diameter 8.8mm quartz bulb shell of upward filtration purple, make finished product hair bubble.
Embodiment bis-
The external diameter 7.0mm made by quartz glass, long 8.5mm, wall thickness 1.2mm luminous arc pipe and enclose the negative electrode of the diameter 0.25mm in it and the anode of diameter 0.4mm, form arc chamber 11 in the luminous arc pipe, the arcing distance between negative electrode and anode is 4.8mm; Before the sealing-in arc chamber, after the zinc iodide of the metal halide of the TLI of the mercury that adds 0.9mg in arc chamber, the heavy 0.2mg of grain, 0.05mg, be filled with 4.5 atmospheric xenons by high vacuum exhaustion, then arc chamber is carried out to sealing-in, make arc chamber in the vacuum seal state; The non-matching hermetic seal characteristic of two electrodes by molybdenum sheet completes and being connected of luminous arc pipe, and gone between and being electrically connected to of molybdenum sheet by molybdenum rod; The width of molybdenum sheet is 2.0mm, and thickness is 0.024mm; Then overlap the external diameter 10mm quartz bulb shell of upward filtration purple, make finished product hair bubble.
Embodiment tri-
The external diameter 5.5mm made by quartz glass, wall thickness 1mm luminous arc pipe and enclose the negative electrode of the diameter 0.15mm in it and the anode of diameter 0.25mm form arc chamber 11 in the luminous arc pipe, and the arcing distance between negative electrode and anode is 3.5mm; Before the sealing-in arc chamber, after the zinc iodide of the metal halide of the InI of the mercury that adds 0.6mg in arc chamber, the heavy 0.25mg of grain, 0.1mg, be filled with 6.5 atmospheric xenons by high vacuum exhaustion, then arc chamber is carried out to sealing-in, make arc chamber in the vacuum seal state; The non-matching hermetic seal characteristic of two electrodes by molybdenum sheet completes and being connected of luminous arc pipe, and gone between and being electrically connected to of molybdenum sheet by molybdenum rod; The width of molybdenum sheet is 1.0mm, and thickness is 0.023mm; Then overlap the external diameter 8.0mm quartz bulb shell of upward filtration purple, make finished product hair bubble.
Claims (9)
1. low power metal halide direct current lamp, it is characterized in that, comprise quartz bulb shell, establish Packed luminous arc pipe in quartz bulb shell, be provided with the anode that an end stretches into the negative electrode in the luminous arc pipe and coordinates with negative electrode in the luminous arc pipe, the other end of negative electrode and anode also is connected with respectively molybdenum sheet in quartz bulb shell, described molybdenum sheet is connected with respectively the molybdenum rod lead-in wire that extends to the quartz bulb shell outside, be filled with filler in described luminous arc pipe, filler comprises 3-6.5 atmospheric xenons, 0.5 the mercury of-0.9mg, metal halide DyI
3, DyBr
3, HoBr
3, NdI
3, CsI, InI, NaI, ScI
3, ThI
4, TlI one or more combination, and zinc iodide.
2. low power metal halide direct current lamp according to claim 1, is characterized in that, described zinc iodide is 0.01mg-0.2mg.
3. low power metal halide direct current lamp according to claim 1, is characterized in that, the purple bubble pipe of the filter that described quartz bulb shell is external diameter 8.0mm～10.0mm.
4. low power metal halide direct current lamp according to claim 1, is characterized in that, the arcing distance in described luminous arc pipe between negative electrode and anode is 3mm-5.5mm.
5. low power metal halide direct current lamp according to claim 1, is characterized in that, the width of described molybdenum sheet is 1.0mm-2.2mm, and thickness is 0.023-0.030mm.
6. low power metal halide direct current lamp according to claim 1, is characterized in that, described luminous arc pipe is made by quartz material, and its wall thickness is between 1.0mm～1.6mm, and external diameter is between 5.5mm～7.5mm.
7. low power metal halide direct current lamp according to claim 1, is characterized in that, the power of described direct current lamp is 10W-100W.
8. low power metal halide direct current lamp according to claim 1, is characterized in that, the colour temperature of described direct current lamp is between 3000K～25000K.
9. low power metal halide direct current lamp according to claim 1, is characterized in that, described negative electrode adopts thorium tungsten material to make, and diameter is between 0.10mm-0.40mm; Anode adopts pure tungsten material to make, and diameter is between 0.20mm-0.6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310401574.5A CN103456598B (en) | 2013-09-05 | 2013-09-05 | Small-power metal halide direct current lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310401574.5A CN103456598B (en) | 2013-09-05 | 2013-09-05 | Small-power metal halide direct current lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103456598A true CN103456598A (en) | 2013-12-18 |
| CN103456598B CN103456598B (en) | 2016-01-13 |
Family
ID=49738848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310401574.5A Active CN103456598B (en) | 2013-09-05 | 2013-09-05 | Small-power metal halide direct current lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103456598B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104616966A (en) * | 2015-01-20 | 2015-05-13 | 中国科学院上海光学精密机械研究所 | Reflector and tube wall integrated xenon lamp |
| CN106449351A (en) * | 2016-07-18 | 2017-02-22 | 嘉兴市光泰照明有限公司 | Direct current supply metal halide lamp |
| CN108682612A (en) * | 2018-05-05 | 2018-10-19 | 深圳市晶影光技术有限公司 | A kind of high precision Exposing Lamp |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09161728A (en) * | 1995-11-30 | 1997-06-20 | Iwasaki Electric Co Ltd | Metal halide lamp |
| EP0678898B1 (en) * | 1994-04-20 | 2002-12-18 | Ushiodenki Kabushiki Kaisha | Light source device with a metal halide lamp and method of operating a metal halide lamp |
| CN1395281A (en) * | 2001-06-29 | 2003-02-05 | 松下电器产业株式会社 | Metal halide lamp |
| JP2004139759A (en) * | 2002-10-15 | 2004-05-13 | Japan Storage Battery Co Ltd | Metal-halide lamp |
| US20060267501A1 (en) * | 2005-05-31 | 2006-11-30 | Koito Manufacturing Co., Ltd. | Mercury-free arc tube for discharge bulb |
| CN101657877A (en) * | 2007-04-05 | 2010-02-24 | 皇家飞利浦电子股份有限公司 | Mercury-free high intensity gas-discharge lamp |
-
2013
- 2013-09-05 CN CN201310401574.5A patent/CN103456598B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0678898B1 (en) * | 1994-04-20 | 2002-12-18 | Ushiodenki Kabushiki Kaisha | Light source device with a metal halide lamp and method of operating a metal halide lamp |
| JPH09161728A (en) * | 1995-11-30 | 1997-06-20 | Iwasaki Electric Co Ltd | Metal halide lamp |
| CN1395281A (en) * | 2001-06-29 | 2003-02-05 | 松下电器产业株式会社 | Metal halide lamp |
| JP2004139759A (en) * | 2002-10-15 | 2004-05-13 | Japan Storage Battery Co Ltd | Metal-halide lamp |
| US20060267501A1 (en) * | 2005-05-31 | 2006-11-30 | Koito Manufacturing Co., Ltd. | Mercury-free arc tube for discharge bulb |
| CN101657877A (en) * | 2007-04-05 | 2010-02-24 | 皇家飞利浦电子股份有限公司 | Mercury-free high intensity gas-discharge lamp |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104616966A (en) * | 2015-01-20 | 2015-05-13 | 中国科学院上海光学精密机械研究所 | Reflector and tube wall integrated xenon lamp |
| CN106449351A (en) * | 2016-07-18 | 2017-02-22 | 嘉兴市光泰照明有限公司 | Direct current supply metal halide lamp |
| CN106449351B (en) * | 2016-07-18 | 2019-04-05 | 嘉兴市光泰照明有限公司 | A kind of Metal halogen lamp of direct current supply |
| CN108682612A (en) * | 2018-05-05 | 2018-10-19 | 深圳市晶影光技术有限公司 | A kind of high precision Exposing Lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103456598B (en) | 2016-01-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103456598B (en) | Small-power metal halide direct current lamp | |
| CN202142498U (en) | A new high-efficiency ceramic composite metal lamp | |
| CN2696114Y (en) | DC. small power metal haloid lamp without air-vent | |
| CN204760352U (en) | Double -barrelled metal halogen lamp | |
| CN204946859U (en) | Xenon gas metallic halogen lamp lighting device | |
| CN204042777U (en) | A kind of machine vision light source | |
| CN202371595U (en) | High-frequency electrodeless tunnel lamp | |
| CN203617253U (en) | 175W metal halide lamp | |
| CN202371594U (en) | High-frequency electrodeless projection lamp | |
| CN201345773Y (en) | Variable-power metal halide lamp system | |
| CN201156524Y (en) | Factory lamp of high-frequency electrodeless magnetic lamp | |
| RU169967U1 (en) | High pressure sodium lamp | |
| CN201377771Y (en) | Automobile xenon lamp | |
| CN206524301U (en) | A kind of short pole span light source | |
| RU173371U1 (en) | High pressure discharge lamp | |
| CN203339112U (en) | Variable-frequency high pressure sodium lamp bulk body | |
| CN204760353U (en) | Halogen lamp | |
| CN202454534U (en) | High-frequency electrodeless floodlight | |
| TWI728234B (en) | Discharge lamp | |
| CN202629866U (en) | High frequency electrodeless landscape lamp | |
| CN205881871U (en) | A support for straight tube metal halogen lamp | |
| CN1571112A (en) | DC low-power metal halide lamp without air-vent | |
| CN100405527C (en) | Low power metal halide discharge lamp | |
| RU169962U1 (en) | Low pressure sodium lamp | |
| JP2016181381A (en) | Discharge lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |