CN102789956A - Quartz metal halogen lamp - Google Patents
Quartz metal halogen lamp Download PDFInfo
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- CN102789956A CN102789956A CN2011101301746A CN201110130174A CN102789956A CN 102789956 A CN102789956 A CN 102789956A CN 2011101301746 A CN2011101301746 A CN 2011101301746A CN 201110130174 A CN201110130174 A CN 201110130174A CN 102789956 A CN102789956 A CN 102789956A
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- quartz
- metal halide
- halide lamp
- discharge vessel
- quartz metal
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Abstract
The invention discloses a quartz metal halogen lamp which comprises a discharge container, wherein a heat resistant material layer is coated on the tube wall of an inner cavity body of the discharge container of the quartz metal halogen lamp; the heat resistant material layer is made from aluminum oxide nanometer, and the particle size of the aluminum oxide nanometer is 1-100nm. By coating the heat resistant material layer on the tube wall of the inner cavity body of the discharge container of the quartz metal halogen lamp, the quartz metal halogen lamp solves the technical problems of poor luminescence property and shortened service life of the metal halogen lamp, resulting from the fact that the tube wall material of the cavity body of the traditional quartz metal halogen lamp discharge tube adopts a quartz tube and scandium or other rare earth and a quartz tube shell react to form silicate and halide of silicon under a high-temperature work state.
Description
Technical field
The present invention relates to a kind of lamp, especially a kind of quartz metal halide lamp belongs to the electric light source technology field.
Background technology
Metal halide lamp be present main flow one of energy-saving electric light source; Have characteristics such as luminous efficiency height, photochromic good, applied range, life-span length, compact conformation, stable performance, be widely used in indoor and outdoor lighting fields such as city, road, harbour, station, harbour, airport, stadiums, factories and miness, movie theatre, commerce, wooden land, building.
Metal halid lamp mainly is divided into ceramic gold-halogen lamp and quartz metal halide lamp two big series:
Ceramic gold-halogen lamp is on the basis of high pressure sodium lamp and quartz metal halide lamp, to grow up; Adopt the polycrystal alumina semitransparent ceramics to make arctube material; Be the lamp kind that function is the most perfect, best performance is got in the current various types of light sources, have only external several families enterprise production at present.The domestic development that still is in, it faces just is not difficult to the material and the key problem in technology of capturing, and also has more unmanageable Intellectual Property Rights.
Because its good illumination attributes; Quartz metal halide lamp has been widely used in every field such as commerce and industrial lighting, but also exists such as life-span weak point, photochromic drift in the use; A series of problems such as light decay is serious; Because the cavity pipe wall material of traditional quartz metal halide lamp discharge tube adopts quartz ampoule, scandium or other rare earth and quartzy shell can produce reaction under the hot operation state, form the halide of silicate and silicon; The result of reaction makes the silicate that on shell, forms Sc (scandium) or thulium like this, causes following negative effect:
A: the minimizing of metallic element makes color produce drift, and influences the transparency of shell;
B; The Si that separates (silicon) element can melt in tungsten electrode, and the emitting performance of electrode is degenerated.
C; Owing to superfluous halogen, make the discharge difficulty in addition, and produce the halogen tungsten circulation that is harmful to, corroding electrode makes the tube wall blackout, causes light decay.
D; Some metal ion (like sodium ion) little by little through leaktightness of wall of tubes, also can make the photoelectric properties of lamp degenerate in the life-span of lamp burning-point process in addition.
In sum; Develop new quartz metal halide lamp; Solve the defective that the conventional quartz Metal halogen lamp exists; To substitute the poor efficiency lighting electric light source, be to set up high-quality and efficient, economic comfortable, safe and reliable, useful environment and improve people's quality of life, increase work efficiency, protect the needs of the able-bodied lighting environment of the people.
Quartz metal halide lamp of the present invention has overcome the problems referred to above.
Summary of the invention
The invention discloses a kind of quartz metal halide lamp, this quartz metal halide lamp has overcome the defective that traditional quartz metal halide lamp exists, and has luminous efficiency height, photoelectric properties are good, the life-span is long advantage.
Quartz metal halide lamp disclosed by the invention comprises discharge vessel, it is characterized in that quartz metal halide lamp discharge vessel internal cavity tube wall applies high temperature resistant material.
To those skilled in the art, high temperature resistant material is to be commonly the public to know, the used high temperature resistant material of the present invention can be graphite, glass fiber, aluminium oxide etc., preferred aluminium oxide, and nano aluminium oxide most preferably, its particle size range is 1-100nm.
Not only coated technique is simple at quartz metal halide lamp discharge vessel internal cavity tube wall coating nanometer aluminium oxide through the joyful discovery of lot of experiments for the applicant; And because nano alumina material has good high-temperature stability and stable chemical characteristic; Because the design discharge temp of quartz metal halide lamp inside is at 780-880 degree Celsius; Under this temperature conditions, nano aluminium oxide exists with form under the molecular state, physical-chemical reaction can not take place; Can not generate aluminium oxide ceramics, can not react yet with rare earth and metallic element generation chemical replacement.
In the quartz ampoule inwall, luminescent substance and the quartzy chemical reaction that takes place are isolated various rare earths and metallic element in discharge vessel inner quartz tube wall and the discharge vessel in can effectively avoiding managing with the nano aluminium oxide spreading; Scandium or other rare earth can not react with the quartzy reactive chemistry that produces of inner bag under the hot operation state; Generate rare earth silicate, really solved the A that the conventional quartz Metal halogen lamp described in applicant's background technology faces, B; C, four basic difficult problems of D.
Compare with common used aluminium oxide (being generally 0.2um-2mm); Use nano aluminium oxide not only to have high, the characteristics such as refractoriness is high, mechanical behavior under high temperature good, good insulation preformance, acid-alkali-corrosive-resisting of fusing point of aluminium oxide itself among the present invention; And further under unit mass, have than the better area coverage of common aluminium oxide; Can adsorb simultaneously the ultraviolet light below the 250nm; Because the 185nm ultraviolet light is influential to lamp tube service life; Therefore quartz metal halide lamp of the present invention has improved the useful life of quartz metal halide lamp greatly, thereby has made the quartz metal halide lamp life-span near ceramic gold-halogen lamp through when using nano aluminium oxide overcoming the problems referred to above at discharge vessel internal cavity tube wall.
On the basis of the above, the discharge vessel inside cavity tube wall of quartz metal halide lamp of the present invention adopts cylindrical structural, because traditional quartz metal halide lamp discharge vessel is spherical or oval structure; In the course of processing; Cavity size is difficult to accomplish that unanimity, cavity tube wall are easy to became uneven, can in use influence the performance of light source, and adopt cylindrical inner bag; Then can solve this type of problem, thereby can guarantee photoelectric properties preferably.
Further, the invention discloses the preparation method of above-mentioned quartz metal halide lamp, comprise the steps:
1. quartz glass tube and quartz discharge capacitor are formed an in type quartz metal halide lamp discharge vessel cell-shell, and said cell-shell shape can be the acceptable arbitrary shape in this area, comprises ellipse, sphere, especially can be of the present invention cylindrical.
2. nano aluminium oxide is coated on the quartz discharge capacitor inner pipe wall, coating method can adopt arbitrary available method, includes but not limited to adopt modes such as electrostatic spraying or water are coated with.
3. toward inner metal halogen pill and rare earth material and the pilulae hydrargyri of injecting of discharge vessel, electrode is assembled at two ends, and press seal becomes the quartz discharge cavity body structure after the inflation exhaust.
4. discharging chamber and remaining part are prepared into quartz metal halide lamp.
Quartz metal halide lamp of the present invention is through having overcome the cavity pipe wall material employing quartz ampoule of traditional quartz metal halide lamp because of discharge tube at discharge vessel coated inner wall nano aluminium oxide; Scandium or other rare earth and quartzy shell can produce reaction under the hot operation state, form the halide of silicate and silicon.The result of reaction makes the silicate that on shell, forms Sc (scandium) or thulium like this, causes following negative effect.
The minimizing of A, metallic element makes color produce drift, and influences the transparency of shell;
B, Si (silicon) element of separating can melt in tungsten electrode, and the emitting performance of electrode is degenerated.
C, in addition because superfluous halogen makes the discharge difficulty, and produce harmful halogen tungsten circulation, corroding electrode makes the tube wall blackout, causes light decay.
D, some metal ion (like sodium ion) little by little through leaktightness of wall of tubes, also can make the photoelectric properties of lamp degenerate in the life-span of lamp burning-point process in addition.
Because nano alumina material has good high-temperature stability and stable chemical characteristic, is coated on the quartz discharge capacitor inwall, scandium or other rare earth under the hot operation state are because the isolation of aluminium oxide; Can not produce chemical reaction (quartzy shell is kept apart by nano oxidized aluminized coating), generate rare earth silicate, the A that the above-mentioned conventional quartz Metal halogen lamp of so real solution faces with the inner bag quartz; B, C, the basic difficult problem of D; Life-span is longer, and light decay is little, and photoelectric properties are better.
Description of drawings
Fig. 1 is a conventional quartz Metal halogen lamp discharge vessel structural representation
Fig. 2 is another kind of conventional quartz Metal halogen lamp discharge vessel structural representation
Fig. 3 is a quartz discharge capacitor structure of the present invention
Fig. 4 is another kind of quartz discharge capacitor structure of the present invention
Fig. 5 is another kind of quartz discharge capacitor structure of the present invention
Fig. 6 is another kind of quartz discharge capacitor structure of the present invention
Fig. 7 is another kind of quartz discharge capacitor structure of the present invention
Fig. 8 is another kind of quartz discharge capacitor structure of the present invention
Fig. 9 is another kind of quartz discharge capacitor structure of the present invention
Figure 10 is another kind of quartz discharge capacitor structure of the present invention
In above-mentioned accompanying drawing, numeral is following with the structure member corresponding relation: 1, quartz glass tube 2, quartz discharge capacitor 3, pilulae hydrargyri 4, metal halogen pill and rare earth material 5, molybdenum rod 6, molybdenum sheet 7, press seal glass 8, electrode 9, aluminum oxide coating layer 10, blast pipe.
Embodiment
The embodiment that provides in the following execution mode is merely example of the present invention, and unrestricted the present invention only adopts following manner to realize.Those skilled in the art according to the present invention spirit carry out equivalents and still belong to protection range of the present invention.
In following the present invention; The used nano aluminium oxide particle diameter of said nano oxidized aluminized coating is 1-100nm; Can adopt any method that is used to prepare nano aluminium oxide in this area to make; The present invention does not also limit the concrete particle diameter of nano aluminium oxide, as long as its particle diameter can have effect of the present invention in the 1-100nm scope.Those skilled in the art can select the particle diameter of used nano aluminium oxide according to the needs of production cost and material source.
Accompanying drawing 1 discloses a kind of traditional quartz metal halide lamp discharge vessel structure and has comprised quartz glass tube 1, quartz discharge capacitor 2, pilulae hydrargyri 3, metal halogen pill and rare earth material 4, molybdenum rod 5, molybdenum sheet 6, press seal glass 7, electrode 8, blast pipe 10.
Accompanying drawing 2 discloses another kind of traditional quartz metal halide lamp discharge vessel structure and has comprised quartz glass tube 1, quartz discharge capacitor 2, pilulae hydrargyri 3, metal halogen pill and rare earth material 4, molybdenum rod 5, molybdenum sheet 6, press seal glass 7, electrode 8.
Accompanying drawing 3 discloses quartz metal halide lamp discharge vessel structure of the present invention; Comprise quartz glass tube 1, quartz discharge capacitor 2, pilulae hydrargyri 3, metal halogen pill and rare earth material 4, molybdenum rod 5, molybdenum sheet 6, press seal glass 7, electrode 8, nano oxidized aluminized coating 9, blast pipe 10; Quartz metal halide lamp discharge vessel 2 internal cavities are the semiellipse structure, at the nano oxidized aluminized coating 4. of discharge vessel 2 coated inner wall
Accompanying drawing 4 discloses another kind of quartz metal halide lamp discharge vessel structure of the present invention; Comprise quartz glass tube 1, quartz discharge capacitor 2, pilulae hydrargyri 3, metal halogen pill and rare earth material 4, molybdenum rod 5, molybdenum sheet 6, press seal glass 7, electrode 8, nano oxidized aluminized coating 9, blast pipe 10; Quartz metal halide lamp discharge vessel 2 internal cavities are the semiellipse structure, at the nano oxidized aluminized coating 4. of discharge vessel 2 coated inner wall
Accompanying drawing 5 discloses another kind of quartz metal halide lamp discharge vessel structure of the present invention; Comprise quartz glass tube 1, quartz discharge capacitor 2, pilulae hydrargyri 3, metal halogen pill and rare earth material 4, aluminium bar 5, molybdenum sheet 6, press seal glass 7, electrode 8, nano oxidized aluminized coating 9, blast pipe 10; Quartz metal halide lamp discharge vessel 2 internal cavities are oval structure, at the nano oxidized aluminized coating 4. of discharge vessel 2 coated inner wall
Accompanying drawing 6 discloses another kind of quartz metal halide lamp discharge vessel structure of the present invention; Comprise quartz glass tube 1, quartz discharge capacitor 2, pilulae hydrargyri 3, metal halogen pill and rare earth material 4, molybdenum rod 5, molybdenum sheet 6, press seal glass 7, electrode 8, nano oxidized aluminized coating 9; Quartz metal halide lamp discharge vessel 2 internal cavities are the semiellipse structure, at the nano oxidized aluminized coating 4. of discharge vessel 2 coated inner wall
Accompanying drawing 7 discloses another kind of quartz metal halide lamp discharge vessel structure of the present invention; Comprise quartz glass tube 1, quartz discharge capacitor 2, pilulae hydrargyri 3, metal halogen pill and rare earth material 4, molybdenum rod 5, molybdenum sheet 6, press seal glass 7, electrode 8, nano oxidized aluminized coating 9; Quartz metal halide lamp discharge vessel 2 internal cavities are cylindrical structural, and 4 of nano oxidized aluminized coatings are coated on discharge vessel 2 internal cavity tube walls.
Accompanying drawing 8 discloses another kind of quartz metal halide lamp discharge vessel structure of the present invention; Comprise quartz glass tube 1, quartz discharge capacitor 2, pilulae hydrargyri 3, metal halogen pill and rare earth material 4, molybdenum rod 5, molybdenum sheet 6, press seal glass 7, electrode 8, nano oxidized aluminized coating 9; Quartz metal halide lamp discharge vessel 2 internal cavities are cylindrical structural, and 4 of nano oxidized aluminized coatings are coated on discharge vessel 2 internal cavity tube walls.
Accompanying drawing 9 discloses another kind of quartz metal halide lamp discharge vessel structure of the present invention; Comprise quartz glass tube 1, quartz discharge capacitor 2, pilulae hydrargyri 3, metal halogen pill and rare earth material 4, molybdenum rod 5, molybdenum sheet 6, press seal glass 7, electrode 8, nano oxidized aluminized coating 9, blast pipe 10; Quartz metal halide lamp discharge vessel 2 internal cavities are cylindrical structural, and 4 of nano oxidized aluminized coatings are coated on discharge vessel 2 internal cavity tube walls.
Accompanying drawing 10 discloses another kind of quartz metal halide lamp discharge vessel structure of the present invention; Comprise quartz glass tube 1, quartz discharge capacitor 2, pilulae hydrargyri 3, metal halogen pill and rare earth material 4, molybdenum rod 5, molybdenum sheet 6, press seal glass 7, electrode 8, nano oxidized aluminized coating 9; Quartz metal halide lamp discharge vessel 2 internal cavities are cylindrical structural, and 4 of nano oxidized aluminized coatings are coated on discharge vessel 2 internal cavity tube walls.
In accompanying drawing 3-6; Quartz metal halide lamp quartz discharge capacitor internal cavity tube wall of the present invention is coated with nano aluminium oxide; Thereby chemical reaction takes place and can absorb the ultraviolet composition in the luminescent substance with quartzy in luminescent substance in effectively avoiding managing; Overcome the shortcoming of conventional quartz Metal halogen lamp of the present invention, improved photoelectric properties, improved useful life.
Further; Disclosed quartz metal halide lamp of the present invention among the accompanying drawing 7-10; 4 of nano oxidized aluminized coatings are coated on discharge vessel 2 internal cavity tube walls; And quartz metal halide lamp discharge vessel 2 internal cavities are cylindrical structural, and cavity size can accomplish that unanimity, the easy thickness of cavity tube wall are even when processing and manufacturing, has guaranteed the performance of light source.
Claims (7)
1. a quartz metal halide lamp comprises discharge vessel, it is characterized in that quartz metal halide lamp discharge vessel internal cavity tube wall applies high temperature resistant material layers, and said exotic material is a nano aluminium oxide, and said nano aluminium oxide particle diameter is 1-100nm.
2. according to the quartz metal halide lamp of claim 1, it is characterized in that quartz metal halide lamp discharge vessel inside cavity tube wall adopts cylindrical structural.
3. according to the quartz metal halide lamp of claim 1, it is characterized in that said nano aluminium oxide is that mode with electrostatic spraying is coated in discharge vessel internal cavity tube wall.
4. according to the quartz metal halide lamp of claim 1, it is characterized in that said nano aluminium oxide is to be coated in discharge vessel internal cavity tube wall with the mode that water is coated with.
5. a method for preparing the quartz metal halide lamp of above-mentioned arbitrary claim comprises the steps:
(1). quartz glass tube and quartz discharge capacitor are formed an in type quartz metal halide lamp discharge vessel cell-shell;
(2). nano aluminium oxide is coated on the quartz discharge capacitor inner pipe wall, and coating method can adopt arbitrary available method;
(3). toward inner metal halogen pill and rare earth material and the pilulae hydrargyri of injecting of discharge vessel, two ends assembling electrode, press seal becomes the quartz discharge cavity body structure after the inflation exhaust;
(4). discharging chamber and remaining part are prepared into quartz metal halide lamp.
6. according to the preparation method of claim 5, it is characterized in that the discharge vessel cell-shell inner pipe wall of step (1) is cylindrical.
7. according to the preparation method of claim 5, the coating method that it is characterized in that step (2) is that electrostatic spraying or water are coated with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101301746A CN102789956A (en) | 2011-05-19 | 2011-05-19 | Quartz metal halogen lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101301746A CN102789956A (en) | 2011-05-19 | 2011-05-19 | Quartz metal halogen lamp |
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| Publication Number | Publication Date |
|---|---|
| CN102789956A true CN102789956A (en) | 2012-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101301746A Pending CN102789956A (en) | 2011-05-19 | 2011-05-19 | Quartz metal halogen lamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106449353A (en) * | 2016-11-09 | 2017-02-22 | 宁波亚茂光电股份有限公司 | Single-ended ceramic metal halide lamp arc tube |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201171036Y (en) * | 2007-07-24 | 2008-12-24 | 东莞市日新电线实业有限公司 | Lamp for aquatic animals aquarium |
| CN101644388A (en) * | 2009-08-17 | 2010-02-10 | 杨文荣 | High frequency energy-saving type quartz metal halide lamp |
-
2011
- 2011-05-19 CN CN2011101301746A patent/CN102789956A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201171036Y (en) * | 2007-07-24 | 2008-12-24 | 东莞市日新电线实业有限公司 | Lamp for aquatic animals aquarium |
| CN101644388A (en) * | 2009-08-17 | 2010-02-10 | 杨文荣 | High frequency energy-saving type quartz metal halide lamp |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106449353A (en) * | 2016-11-09 | 2017-02-22 | 宁波亚茂光电股份有限公司 | Single-ended ceramic metal halide lamp arc tube |
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Application publication date: 20121121 |