CN106783518B - A kind of electrode of superhigh voltage mercury lamp and ultrahigh pressure mercury lamp - Google Patents
A kind of electrode of superhigh voltage mercury lamp and ultrahigh pressure mercury lamp Download PDFInfo
- Publication number
- CN106783518B CN106783518B CN201710074977.1A CN201710074977A CN106783518B CN 106783518 B CN106783518 B CN 106783518B CN 201710074977 A CN201710074977 A CN 201710074977A CN 106783518 B CN106783518 B CN 106783518B
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- electrode
- mercury lamp
- winding
- wire coil
- pressure mercury
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- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 229910052753 mercury Inorganic materials 0.000 title claims abstract description 31
- 239000000843 powder Substances 0.000 claims abstract description 50
- 229910052751 metal Inorganic materials 0.000 claims abstract description 44
- 239000002184 metal Substances 0.000 claims abstract description 44
- 238000004804 winding Methods 0.000 claims abstract description 40
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical group [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 8
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 7
- 229910052721 tungsten Inorganic materials 0.000 claims description 5
- 239000010937 tungsten Substances 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 4
- 238000012546 transfer Methods 0.000 claims description 4
- -1 ferrous metals Chemical class 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 239000002356 single layer Substances 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 238000009827 uniform distribution Methods 0.000 claims description 2
- 238000012913 prioritisation Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000011133 lead Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000004482 other powder Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 235000008645 Chenopodium bonus henricus Nutrition 0.000 description 1
- 244000138502 Chenopodium bonus henricus Species 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/06—Main electrodes
- H01J61/073—Main electrodes for high-pressure discharge lamps
- H01J61/0732—Main electrodes for high-pressure discharge lamps characterised by the construction of the electrode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/06—Main electrodes
- H01J61/073—Main electrodes for high-pressure discharge lamps
- H01J61/0735—Main electrodes for high-pressure discharge lamps characterised by the material of the electrode
Landscapes
- Discharge Lamp (AREA)
Abstract
The present invention provides a kind of electrode of superhigh voltage mercury lamp and ultrahigh pressure mercury lamps.A kind of electrode for ultrahigh pressure mercury lamp, including electrode bar, wire coil;The wire coil is wound in around the distal portion of the electrode bar and forms winding;Wherein, thermally conductive powder is also filled in the winding gap of the wire coil.The heat conductivity between adjacent windings can be increased substantially by filling metal powder in winding gap.A kind of ultrahigh pressure mercury lamp includes light bulb and electrode;A pair of electrode is oppositely arranged in the light bulb, and the distal portion is close to each other.The present invention stablizes electrode condition by adding thermally conductive powder, and then improves the brightness of light bulb, the uniformity, reduces flicker problem.
Description
Technical field
The present invention relates to a kind of electrode of superhigh voltage mercury lamp and ultrahigh pressure mercury lamps.
Background technique
In recent years, ultrahigh pressure mercury lamp and the light supply apparatus of reflector combination have been widely used as the light source of projection arrangement.
Ultrahigh pressure mercury lamp can form a monolithic devices mounted in the parabolic reflecting surface of reflective optical system or the focal position of ellipsoid reflecting surface
Higher source luminance.This light source can be used for multimedia projector, liquid crystal rear projection display system, DLP digital light transmission and go out system
The projection arts such as projector.
Projection light source requires just to can guarantee that projection arrangement provides enough brightness on the screen close to point light source.Therefore it throws
Image device is mainly discharged using short arc.However, being reduced using the voltage that short-arc lamp will lead to lamp, the consequences such as electric current increases are this kind of
Electrode shows extremely significantly to be lost.
Traditional Electrode Examples are as shown in figure 3, electrode generally comprises the electrode bar made of tungsten and the production of same material
Coil.Since coil needs to be wrapped in around electrode bar, it is therefore desirable to the thickness of electrode bar and coil phase to a certain extent
Mutually limitation: excessively thick coil cannot achieve effective winding to electrode bar.Therefore, coil coverlet is wound on the distal end of electrode bar, the
Two windings start from a part of coil, and to form electrode matrix, then the distal end of electrode matrix is by heat fusing to form electricity
Pole.And in electrode bar situation identical with coil radius, the electrical-coil portion not melted sufficiently can be present in electrode distal end
It melts in dome, referring to fig. 4, when electrode distal end passs and is lost with the driving time of lamp, does not melt electricity in dome
Pole coil part is gradually exposed, and the electrode temperature melted in dome is unevenly distributed, so that mistake of the discharge environment in driving lamp
There is light-source brightness and is unevenly distributed, flashes in discharge instability in journey.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of electrode of superhigh voltage mercury lamp and ultra high pressure mercuries
Lamp.
A kind of electrode for ultrahigh pressure mercury lamp provided according to the present invention, including electrode bar, wire coil;
The wire coil is wound in around the distal portion of the electrode bar and forms winding;Wherein, the wire coil
Winding is also filled with thermally conductive powder in gap.
As a kind of prioritization scheme, the thermally conductive powder includes metal powder.
As a kind of prioritization scheme, the metal powder includes one or more kinds of ferrous metal.
As a kind of prioritization scheme, the metal powder includes one or more kinds of non-ferrous metals.
As a kind of prioritization scheme, the distal portion of the electrode bar and the wire coil close to the distal portion are also melted
Processing forms electrode distal end.
As a kind of prioritization scheme, the wire coil is wound to form winding described in multilayer.
As a kind of prioritization scheme, the wire coil is wound to form winding described in single layer.
As a kind of prioritization scheme, the electrode bar is tungsten bar, and the wire coil is tungsten wire.
As a kind of prioritization scheme, the partial size of the thermally conductive powder is 1nm~9 × 105nm。
Based on the same inventive concept, the present invention has also passed through a kind of ultrahigh pressure mercury lamp, including light bulb and the electrode;One
The electrode is oppositely arranged in the light bulb, and the distal portion is close to each other.
Compared with prior art, the present invention have it is following the utility model has the advantages that
The present invention adds thermally conductive powder in the winding gap of electrode, these thermally conductive powder it is heated when electrode works and with
Around other powder and wire or electrode bar bond vitrified, the heat transfer between coil be enhanced, finally make metal wire
The winding gap of circle is filled, and the various pieces of electrode are firmly attached to each other, so that electrode portion is integrally stronger.Pass through
Heat conductivity between adjacent windings can be increased substantially by filling thermally conductive powder in winding gap.Through the invention thermally conductive
Powder stablizes electrode condition, and then improves the brightness of light bulb, the uniformity, reduces flicker problem.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it is therefore apparent that drawings in the following description are only some embodiments of the invention, for ability
For field technique personnel, without creative efforts, it is also possible to obtain other drawings based on these drawings.It is attached
In figure:
Fig. 1 is the canoe schematic diagram (double wrap) of wire coil in a kind of optional electrode of the present invention;
Fig. 2 is a kind of optional distal portion of the present invention and part metals coil is melted the signal that processing forms electrode distal end
Figure;
Fig. 3 is the identical wire coil winding arrangement schematic diagram of line footpath on traditional electrode;
Fig. 4 is the electrode distal end structural section schematic diagram formed after traditional melt process;
Fig. 5 is the electrode distal end structural section schematic diagram formed after a kind of optional melt process of the present invention;
Fig. 6 is a kind of optional list of the present invention around wire coil schematic diagram;
Fig. 7 is a kind of optional double wrap wire coil schematic diagram of the present invention;
Fig. 8 is a kind of schematic cross-section of optional ultrahigh pressure mercury lamp of the present invention.
Wherein 1- distal portion, 2- electrode bar, 3- wire coil, 5- reflecting mirror, 6- luminous tube.
Specific embodiment
Below in conjunction with attached drawing, the present invention is described in detail in a manner of specific embodiment.Following embodiment will be helpful to
Those skilled in the art further understands the present invention, but the invention is not limited in any way.It should be pointed out that can be with
Modification structurally and functionally is carried out using other embodiments, or to embodiment enumerated herein, without departing from this hair
Bright scope and spirit.
The present invention fills metal powder in the coil winding gap of electrode for the problems of the prior art, these powder
In electrode work it is heated and with other powder or wire of surrounding or electrode bar bond vitrified, heat transfer quilt between coil
Improve, is filled the winding gap of wire coil, the various pieces of electrode are firmly attached to each other, so that electrode
Portion is integrally stronger.Electrode through the invention stablizes electrode condition, can be effectively reduced by improving pyroconductivity
The operating temperature of electrode improves brightness, the uniformity of light bulb, reduces flicker problem.The winding gap refers to that coil is twining
Between adjacent metal coils in structure, between wire coil and the electrode bar at center because of seam that geometry reason certainly exists
Gap.There is bigger winding gap in thick coil.And the present invention is then not necessarily to labyrinth or technique, it is only necessary to pass through filling
Thermally conductive powder can be achieved with being obviously improved for electrode performance, greatly improve the performance of ultrahigh pressure mercury lamp.
Fig. 1 shows a kind of electrode embodiment according to the present invention before electrode distal end is melted molding, super-pressure
The canoe schematic diagram of wire coil 3 on mercury lamp electrode, wherein wire coil 3 is the signal of double wrap.It is provided in the present invention
A kind of embodiment for the electrode of ultrahigh pressure mercury lamp in, as shown in Figure 1, include electrode bar 2, wire coil 3;The metal
Coil is wound in around the distal portion of the electrode bar and forms winding;Wherein, it is also filled up in the winding gap of the wire coil
There is thermally conductive powder.
The thermally conductive powder can be with non-metal powder or metal powder.As a kind of alternative embodiment, the thermally conductive powder
Including metal powder.Further, which can form gap filling matter with melted by heating or semi-molten.Shown in Fig. 1
Wire coil 3 can with coverlet around or double wrap or three be wound on around the distal portion 1 of electrode bar 2.It, can be in specific implementation process
Power according to lamp etc. carries out the adjusted design of adaptability to coil hoop number and coil the overlapping number of plies of winding.Coil hoop number refers to
The number that metal wire is wound around electrode bar 2, the overlapping number of plies of coil are the number of plies formed by wound around coil.The metal
Coil 3 is wound to form winding described in multilayer.Wire coil 3 is double wrap in Fig. 1 and Fig. 7, in Fig. 6 be it is single around.Such as figure
6, shown in 7, the electrode distal end size of the adjustable melting formation of the winding overlapping number of plies by changing wire coil 3.
The mode of filling metal powder can be to winding gap sprinkling powder, or the electrode bar that will be wound with wire coil
2 protrude into rolling stirring in pile of grounds, are also possible to the modes such as brushing and realize that the invention is not limited thereto.Through Experimental comparison, filling gold
Electrode after belonging to powder compares the electrode lifting 10% for being not filled by powder in brightness, it will be apparent that reduces dim spot.Due to electrode
Heat conduction efficiency obtains great promotion, thus electrode it is in running order under operating temperature can obtain certain amplitude
Decline, conducive to the service life for extending electrode.
The wire coil 3 of the distal portion 1 of the electrode bar 2 and the close distal portion 1 is also melted processing and forms electrode
Distally.Fig. 2 show in Fig. 1 distal portion 1 and part metals coil 3 by arc discharge or laser emission come after melt process
Appearance, schematic cross-section is referring to Fig. 5.
The metal powder is the metal powder with thermal conductivity, including non-ferrous metal, and/or ferrous metal.The gold
Belonging to powder includes one or more kinds of non-ferrous metals.The metal powder of non-ferrous metal be chosen as include copper, lead, zinc, aluminium,
Magnesium, gold, silver, platinum, tungsten, molybdenum, germanium, lithium, lanthanum, combination any or any number of in uranium.The metal powder includes one kind or one
Kind or more ferrous metal.The metal powder of ferrous metal is chosen as including iron, manganese, chromium, vanadium, group any or any number of in titanium
It closes.From the angle Selection of rare degree, the metal powder can also select rare earth or mix such as rare earth.The metal powder is used for
The heating conduction of electrode is improved, the metal powder type that the present invention protects is without being limited thereto.
The particle size range of above-mentioned thermally conductive powder is 1nm~9 × 105nm.1 nanometer to 900 microns of grain diameter is this hair
The optional range of bright thermally conductive powder, and partial size is preferably 4.5 × 105Nm or less.
As a kind of alternative embodiment, the electrode bar 2 is tungsten bar, and the wire coil 3 is tungsten wire.
Based on the same inventive concept, the present invention also provides a kind of ultrahigh pressure mercury lamps, as shown in figure 8, including light bulb and institute
The electrode stated;A pair of electrode is oppositely arranged in the light bulb, and the distal portion 1 is close to each other.By the light bulb and
Electrode can form ultrahigh pressure mercury lamp, be filled with such as 0.1-0.3mg/mm in discharge container3Mercury, halogen and rare gas,
And this is chosen as 2.0mm or shorter to the distance between electrode.Using the light supply apparatus of electrode of the invention in glittering, brightness
Light supply apparatus superior result than using traditional electrode is shown in terms of variation and lamp service life.Fig. 8 is a kind of optional superelevation
The embodiment of pressure mercury lamp, which includes reflecting mirror 5 and luminous tube 6, two electrodes are set in the luminous tube 6.
Temperature rises electrode at work, and the presence of metal powder can increase substantially the heat transfer between adjacent windings
Property, the metal powder in coil winding gap can then melt due to heated or the chymoplasm of semi-molten formation coil gap, into
And the contact area between intensifier coil, between coil and electrode bar, increase heat conduction efficiency.Due to metal powder volume compared with
It is small, metal powders melt that entire electrode is heated at work and mutually condense and be firmly attached to coil winding gap it
In.Electrode after winding gap is filled has bigger and smooth light-emitting area product, thus has more uniform distribution.
The foregoing is merely presently preferred embodiments of the present invention, and those skilled in the art know, is not departing from essence of the invention
In the case where mind and range, various changes or equivalent replacement can be carried out to these features and embodiment.In addition, of the invention
Under introduction, it can modify to these features and embodiment to adapt to particular situation and material without departing from of the invention
Spirit and scope.Therefore, the present invention is not limited to the particular embodiment disclosed, and the right of fallen with the application is wanted
The embodiment in range is asked to belong to protection scope of the present invention.
Claims (8)
1. a kind of electrode for ultrahigh pressure mercury lamp, which is characterized in that including electrode bar, wire coil;
The wire coil is wound in around the distal portion of the electrode bar and forms winding;Wherein, the winding of the wire coil
Thermally conductive powder is also filled in gap, the thermally conductive powder includes metal powder, and the winding gap is coil in winding arrangement
Gap between middle adjacent metal coils, between wire coil and the electrode bar at center;
The metal powder is sprayed to the winding gap, or the electrode bar for being wound with wire coil is protruded into the metal powder
Stirring is rolled in heap;
The metal powder melted by heating or semi-molten form gap filling matter, and the winding gap is filled;The electrode bar
Distal portion and close to the distal portion wire coil be also melted processing formed electrode distal end, change the wire coil
The electrode distal end size that winding overlapping number of plies adjustment melting is formed;
The entire part of the electrode bar is firmly attached to each other to form a heat transfer entirety, and the winding gap is filled
Later, the contact area between coil, between coil and electrode bar is enhanced, and heat conduction efficiency gets a promotion, meanwhile, winding
Electrode bar after gap is filled has bigger and smooth light-emitting area product, thus has more uniform distribution.
2. a kind of electrode for ultrahigh pressure mercury lamp according to claim 1, which is characterized in that the metal powder includes
One or more kinds of ferrous metal.
3. a kind of electrode for ultrahigh pressure mercury lamp according to claim 1 or 2, which is characterized in that the metal powder
Include one or more kinds of non-ferrous metals.
4. a kind of electrode for ultrahigh pressure mercury lamp according to claim 1, which is characterized in that the wire coil is twined
Around to form winding described in multilayer.
5. a kind of electrode for ultrahigh pressure mercury lamp according to claim 1, which is characterized in that the wire coil is twined
Around to form winding described in single layer.
6. a kind of electrode for ultrahigh pressure mercury lamp according to claim 1, which is characterized in that the electrode bar is tungsten
Stick, the wire coil are tungsten wire.
7. a kind of electrode for ultrahigh pressure mercury lamp according to claim 1, which is characterized in that the grain of the thermally conductive powder
Diameter is 1nm~9 × 105nm。
8. a kind of ultrahigh pressure mercury lamp, which is characterized in that including light bulb and electrode as claimed in claim 1;A pair of of institute
It states electrode to be oppositely arranged in the light bulb, and the distal portion is close to each other.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710074977.1A CN106783518B (en) | 2017-02-10 | 2017-02-10 | A kind of electrode of superhigh voltage mercury lamp and ultrahigh pressure mercury lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710074977.1A CN106783518B (en) | 2017-02-10 | 2017-02-10 | A kind of electrode of superhigh voltage mercury lamp and ultrahigh pressure mercury lamp |
Publications (2)
Publication Number | Publication Date |
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CN106783518A CN106783518A (en) | 2017-05-31 |
CN106783518B true CN106783518B (en) | 2019-01-25 |
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CN201710074977.1A Active CN106783518B (en) | 2017-02-10 | 2017-02-10 | A kind of electrode of superhigh voltage mercury lamp and ultrahigh pressure mercury lamp |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1305216A (en) * | 1999-10-20 | 2001-07-25 | 松下电子工业株式会社 | Discharge lamp, electrode of discharge lamp and manufacturing method of discharge lamp electrode |
CN102379023A (en) * | 2010-03-05 | 2012-03-14 | 松下电器产业株式会社 | Electrode for discharge lamp, high voltage discharge lamp, lamp unit, and projector-type image display device |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5880260A (en) * | 1981-11-09 | 1983-05-14 | Mitsubishi Electric Corp | Electrode for discharge lamp |
-
2017
- 2017-02-10 CN CN201710074977.1A patent/CN106783518B/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1305216A (en) * | 1999-10-20 | 2001-07-25 | 松下电子工业株式会社 | Discharge lamp, electrode of discharge lamp and manufacturing method of discharge lamp electrode |
CN102379023A (en) * | 2010-03-05 | 2012-03-14 | 松下电器产业株式会社 | Electrode for discharge lamp, high voltage discharge lamp, lamp unit, and projector-type image display device |
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Effective date of registration: 20200703 Address after: 201609 no.118-4, puting Road, Yexie Town, Songjiang District, Shanghai Patentee after: SHANGHAI HAOYE OPTOELECTRONICS TECHNOLOGY Co.,Ltd. Address before: 201108 Shanghai city Minhang District Maqiao town concentric village six group No. 42 Co-patentee before: Wu Tong Patentee before: Wu Xirong |
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