CN103500697A - Method for manufacturing microwave induction electrodeless ceramic metal halide bulb and electrodeless ceramic metal halide bulb - Google Patents
Method for manufacturing microwave induction electrodeless ceramic metal halide bulb and electrodeless ceramic metal halide bulb Download PDFInfo
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- CN103500697A CN103500697A CN201310446317.3A CN201310446317A CN103500697A CN 103500697 A CN103500697 A CN 103500697A CN 201310446317 A CN201310446317 A CN 201310446317A CN 103500697 A CN103500697 A CN 103500697A
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- metal halide
- hollow cylinder
- leading portion
- ceramic metal
- back segment
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Abstract
The invention discloses a method for manufacturing a microwave induction electrodeless ceramic metal halide bulb and the electrodeless ceramic metal halide bulb. The electrodeless ceramic metal halide bulb comprises a body. The body comprises a front section body and a rear section body. The front section body and the rear section body are communicated; the body is formed by performing mould pressing on aluminum oxide powder of which the fineness is 8-12 micrometers; the body is 1.5mm thick; mixed inert gas and metal halide pills of 16 milligrams are filled in the cavity of the front section body. The bulb disclosed by the invention does not have discharge electrode dissipation, is 50 thousands hours in service life, and is ten times longer than the service life of a conventional ceramic metal halide bulb. Meanwhile, when the electrodeless ceramic metal halide bulb works, the pyrolysis of a discharge electrode cannot occur, and a metal halide is higher in purity, so that the electrodeless ceramic metal halide bulb is higher in color rendering index, luminous efficiency and light intensity in comparison with the conventional ceramic metal halide bulb.
Description
Technical field
The present invention relates to the electric light source products of lighting technical field, particularly a kind of microwave induced electrodeless ceramic metal halide bulb manufacture method and electrodeless ceramic metal halide bulb.
Background technology
In numerous electric light source products, the performance index such as the light efficiency of Metal halogen lamp and color rendering are best, and ceramic gold-halogen lamp is the outstanding person in the Metal halogen lamp series of products.But the bulb of conventional ceramic gold-halogen lamp needs sparking electrode, the high temperature that bulb produces when work has accelerated export license, and therefore the life-span of conventional ceramic gold-halogen lamp generally only has several thousand hours.Conventional ceramic metal halide bulb can produce very high temperature when luminous, and sparking electrode at high temperature produces decomposition, and its analyte has had a strong impact on the purity of metal halide, therefore the color rendering of conventional ceramic gold-halogen lamp variation thereupon.
Summary of the invention
Technical problem to be solved by this invention is for the prior art deficiency, to provide a kind of microwave induced electrodeless ceramic metal halide bulb manufacture method and electrodeless ceramic metal halide bulb, the existing problem that the ceramic gold-halogen lamp life-span is short, color rendering is poor, light efficiency is low of solution.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of microwave induced electrodeless ceramic metal halide bulb manufacture method, and the method is:
1) the alundum (Al2O3) powder is molded into to bulb body, this body comprises leading portion body and back segment body, described leading portion body is comprised of the spherical end cap at the hollow cylinder two ends of the hollow cylinder of a both ends open and this both ends open, forms the leading portion body cavity between the hollow cylinder of two spherical end caps, both ends open; Described back segment body is hollow cylinder, and the hollow cylinder front end of described back segment body is communicated with described leading portion body cavity by one of them spherical end cap; Described alundum (Al2O3) powder fineness is 8～12 microns;
2) 1400
0c-2800
0the above-mentioned body of sintering under C high temperature, the body thickness after sintering is 1.5mm;
3) be filled with 16 milligrams of metal halide pills in the leading portion body cavity, be filled with the mixed inert gas of Ar and Ka simultaneously, described mixed inert gas pressure is 300pa;
4) encapsulate the hollow cylinder rear end of back segment body with plasma welder.
Described metal halide pill by fluorine, chlorine, bromine, iodine by weight (0.9-1.1): (0.9-1.1): (0.9-1.1): (0.9-1.1) make.
Described mixed inert gas is by Ar and Ka (0.9-1.1) by volume: (0.9-1.1) mix.
In the present invention, alundum (Al2O3) powder fineness is 10 microns, guarantees light efficiency intensity.
The present invention also provides a kind of microwave induced electrodeless ceramic metal halide bulb, comprise body, described body comprises leading portion body and back segment body, described leading portion body is comprised of the spherical end cap at the hollow cylinder two ends of the hollow cylinder of a both ends open and this both ends open, and the inner chamber between the hollow cylinder of two spherical end caps, both ends open forms the leading portion body cavity; Described back segment body is hollow cylinder, and the hollow cylinder front end of described back segment body is communicated with described leading portion body cavity by one of them spherical end cap; The hollow cylinder back-end closure of described back segment body; The alundum (Al2O3) powder mold pressing that described body is 8～12 microns by fineness forms, and described body thickness is 1.5mm; Be filled with mixed inert gas and 16 milligrams of metal halide pills in described leading portion body cavity, described mixed inert gas pressure is 300pa.
Described leading portion body length is 20mm, and the back segment body length is 10mm; The radius of the spherical end cap be connected with described back segment body on described leading portion body is 3.36mm, and described leading portion body hollow cylinder bottom surface diameter is 13mm, and described back segment body hollow cylinder bottom surface diameter is 5.5mm; This bulb volume is little, simple in structure.
Compared with prior art, the beneficial effect that the present invention has is: manufacturing process of the present invention is simple, easily realizes, the bulb structure intensity that the inventive method is made is good; With the electrodeless ceramic metal halide bulb of method manufacture of the present invention, owing to there is no the sparking electrode loss, its life-span can reach 50,000 hours, is ten times of conventional ceramic gold-halogen lamp life-span.Do not have the pyrolysis of sparking electrode during ceramic electrodeless Metal halogen lamp bubble work simultaneously, metal halide purity is higher, so the ceramic electrodeless Metal halogen lamp steeps more conventional ceramic metal halide bulb color rendering index, light efficiency intensity is higher.
The accompanying drawing explanation
Fig. 1 is one embodiment of the invention bulb cutaway view;
Fig. 2 is the system construction drawing that one embodiment of the invention bulb and resonant cavity are used in conjunction with;
Fig. 3 is that one embodiment of the invention bulb is arranged on the end view on resonant cavity.
Embodiment
The manufacturing process of bulb of the present invention is as follows: adopt alundum (Al2O3) powder (10 microns of fineness) compression molding; Through high temperature (1400
0c-2800
0c) sintering is made the body (1.5mm is thick) of ceramic electrodeless Metal halogen lamp bubble; In glove box by the metal halide pill (composition is fluorine, chlorine, bromine, iodine, and weight ratio is (0.9-1.1): (0.9-1.1): (0.9-1.1): (0.9-1.1) configuration in scope) and Ar and Ka (volume ratio is (0.9-1.1): (0.9-1.1)) mixed inert gas be filled with chamber body; Use the plasma welder sealing-in, so far make the body of ceramic electrodeless Metal halogen lamp bubble.
As Fig. 1, one embodiment of the invention bulb comprises body, and described body comprises leading portion body 1 and back segment body 2, and described leading portion body 1 is comprised of the spherical end cap at the hollow cylinder two ends of the hollow cylinder of a both ends open and this both ends open; Inner chamber between the hollow cylinder of two spherical end caps 3, both ends open forms leading portion body cavity 4; Described back segment body 2 is hollow cylinder, and the hollow cylinder of described back segment body is communicated with described leading portion body cavity by one of them spherical end cap; The alundum (Al2O3) powder mold pressing that described body is 8～12 microns by fineness forms, and described body thickness is 1.5mm; Be filled with mixed inert gas and 16 milligrams of metal halide pills in described leading portion body cavity, described mixed inert gas pressure is 300pa.
Leading portion body 1 length is 20mm, and back segment body 2 length are 10mm; The radius of the spherical end cap be connected with described back segment body 2 on described leading portion body 1 is 3.36mm, and described leading portion body 1 hollow cylinder bottom surface diameter is 13mm, and described back segment body 2 hollow cylinder bottom surface diameters are 5.5mm.This bulb volume is little, but light efficiency intensity is large, can be applied to multiple occasion, applied widely.
As shown in Figure 2, during actual the use, ceramic electrodeless Metal halogen lamp bubble of the present invention is arranged on microwave cavity, by the microwave call wire, be connected on microwave generator, thus the light-source system of complete.
As shown in Figure 3, the microwave cavity that the present embodiment is used is made by aluminum alloy materials, and the ceramic metal halide bulb viscose is on the lamp stand of microwave cavity inside, and bulb body is communicated with the microwave cavity inner chamber, forms closed cavity.By lamp stand, microwave is conducted to bulb, make bulb luminous.
Claims (7)
1. a microwave induced electrodeless ceramic metal halide bulb manufacture method, is characterized in that, the method is:
1) the alundum (Al2O3) powder is molded into to bulb body, this body comprises leading portion body and back segment body, described leading portion body is comprised of the spherical end cap at the hollow cylinder two ends of the hollow cylinder of a both ends open and this both ends open, forms the leading portion body cavity between the hollow cylinder of two spherical end caps, both ends open; Described back segment body is hollow cylinder, and the hollow cylinder front end of described back segment body is communicated with described leading portion body cavity by one of them spherical end cap; Described alundum (Al2O3) powder fineness is 8～12 microns;
2) 1400
0c-2800
0the above-mentioned body of sintering under C high temperature, the body thickness after sintering is 1.5mm;
3) be filled with 16 milligrams of metal halide pills in the leading portion body cavity, be filled with the mixed inert gas of Ar and Ka simultaneously, described mixed inert gas pressure is 300pa;
4) encapsulate the hollow cylinder rear end of back segment body with plasma welder.
2. microwave induced electrodeless ceramic metal halide bulb manufacture method according to claim 1, is characterized in that, described alundum (Al2O3) powder fineness is 10 microns.
3. microwave induced electrodeless ceramic metal halide bulb manufacture method according to claim 1 and 2, it is characterized in that, described metal halide pill by fluorine, chlorine, bromine, iodine by weight (0.9-1.1): (0.9-1.1): (0.9-1.1): (0.9-1.1) configuration is made.
4. microwave induced electrodeless ceramic metal halide bulb manufacture method according to claim 1 and 2, is characterized in that, described mixed inert gas is by Ar and Ka (0.9-1.1) by volume: (0.9-1.1) mix.
5. a microwave induced electrodeless ceramic metal halide bulb, comprise body, described body comprises leading portion body (1) and back segment body (2), described leading portion body (1) is comprised of the spherical end cap (3) at the hollow cylinder two ends of the hollow cylinder of a both ends open and this both ends open, the inner chamber formation leading portion body cavity (4) between the hollow cylinder of two spherical end caps (3), both ends open; Described back segment body is hollow cylinder, and the hollow cylinder front end of described back segment body is communicated with described leading portion body cavity by one of them spherical end cap; The hollow cylinder back-end closure of described back segment body; It is characterized in that, the alundum (Al2O3) powder mold pressing that described body is 8～12 microns by fineness forms, and described body thickness is 1.5mm; Be filled with mixed inert gas and 16 milligrams of metal halide pills in described leading portion body cavity (4), described mixed inert gas pressure is 300pa.
6. microwave induced electrodeless ceramic metal halide bulb according to claim 5, is characterized in that, described alundum (Al2O3) powder fineness is 10 microns.
7. according to the described microwave induced electrodeless ceramic metal halide bulb of claim 5 or 6, it is characterized in that, described leading portion body (1) length is 20mm, and back segment body (2) length is 10mm; The radius of the upper spherical end cap be connected with described back segment body (2) of described leading portion body (1) is 3.36mm, and described leading portion body (1) hollow cylinder bottom surface diameter is 13mm, and described back segment body (2) hollow cylinder bottom surface diameter is 5.5mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310446317.3A CN103500697A (en) | 2013-09-27 | 2013-09-27 | Method for manufacturing microwave induction electrodeless ceramic metal halide bulb and electrodeless ceramic metal halide bulb |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310446317.3A CN103500697A (en) | 2013-09-27 | 2013-09-27 | Method for manufacturing microwave induction electrodeless ceramic metal halide bulb and electrodeless ceramic metal halide bulb |
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| CN103500697A true CN103500697A (en) | 2014-01-08 |
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|---|---|---|---|
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5844376A (en) * | 1996-07-11 | 1998-12-01 | Osram Sylvania Inc. | Electrodeless high intensity discharge lamp with split lamp stem |
| JPH1154091A (en) * | 1997-07-31 | 1999-02-26 | Matsushita Electron Corp | Microwave discharge lamp |
| US20070069607A1 (en) * | 2005-09-28 | 2007-03-29 | Seiko Epson Corporation | Light-emitting device |
| CN101005003A (en) * | 2006-12-29 | 2007-07-25 | 深圳市爱尔创科技有限公司 | Semi-transparent ceramic arc tube and its producing method |
| CN101980354A (en) * | 2010-10-14 | 2011-02-23 | 潮州市晨歌电光源有限公司 | Electric arc tube of ceramic electrodeless lamp |
| JP2011233311A (en) * | 2010-04-27 | 2011-11-17 | Iwasaki Electric Co Ltd | Microwave discharge lamp device and method of manufacturing microwave discharge lamp |
-
2013
- 2013-09-27 CN CN201310446317.3A patent/CN103500697A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5844376A (en) * | 1996-07-11 | 1998-12-01 | Osram Sylvania Inc. | Electrodeless high intensity discharge lamp with split lamp stem |
| JPH1154091A (en) * | 1997-07-31 | 1999-02-26 | Matsushita Electron Corp | Microwave discharge lamp |
| US20070069607A1 (en) * | 2005-09-28 | 2007-03-29 | Seiko Epson Corporation | Light-emitting device |
| CN101005003A (en) * | 2006-12-29 | 2007-07-25 | 深圳市爱尔创科技有限公司 | Semi-transparent ceramic arc tube and its producing method |
| JP2011233311A (en) * | 2010-04-27 | 2011-11-17 | Iwasaki Electric Co Ltd | Microwave discharge lamp device and method of manufacturing microwave discharge lamp |
| CN101980354A (en) * | 2010-10-14 | 2011-02-23 | 潮州市晨歌电光源有限公司 | Electric arc tube of ceramic electrodeless lamp |
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Application publication date: 20140108 |