CN201732760U - Ceramic metal halide lamp arc tube - Google Patents
Ceramic metal halide lamp arc tube Download PDFInfo
- Publication number
- CN201732760U CN201732760U CN2009202020131U CN200920202013U CN201732760U CN 201732760 U CN201732760 U CN 201732760U CN 2009202020131 U CN2009202020131 U CN 2009202020131U CN 200920202013 U CN200920202013 U CN 200920202013U CN 201732760 U CN201732760 U CN 201732760U
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- arc tube
- discharge cavity
- metal halide
- ceramic
- halide lamp
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Abstract
The utility model relates to a ceramic metal halide lamp arc tube, which is designed to resolve the technical problem that integral process for the like products is complicated due to defective structural design. The technical scheme includes that a discharge cavity projection is arranged among a thick tube in a ceramic discharge cavity and symmetrical capillary tubes in the arc tube, the discharge cavity projection is in conical transition, and the thick tube of the ceramic discharge cavity and the symmetrical capillary tubes are connected integrally. Besides, the inner diameter of the thick tube of the ceramic discharge cavity is tapered or conical, special electrode components are arranged in the symmetrical capillary tubes of the ceramic discharge cavity and are hermetically connected in the symmetrical capillary tubes via rare earth glass solder. The arc tube increases cold-end temperature, lighting effect and color rendering index, guarantees uniform distribution of temperature at the sealing area and air-tight connection effect, reduces loss of thermal radiation energy, leads temperature gradient of the whole lamp to be reasonable, keeps working status of the lamp stable, and is applicable to integral processing technology of metal halide lamps and other tubes.
Description
Technical field
The utility model relates to the electric arc tube of metal halide lamp, is a kind of ceramic metal halide lamp arc tube.
Background technology
At present, at metal halide lamp electric arc tube production field, be the existing shortcoming of the metal halide lamp that overcomes quartz envelopes, the electric arc tube of some metal halide lamps adopts the polycrystal translucent alumina ceramics to substitute quartz ampoule.These metal halide lamps have been realized heavy-duty service, color rendering index rises to more than 90, luminous efficiency is compared with the metal halide of quartz envelopes and is improved 20%, life-span is enhanced about more than once, be described as the title of " simulated sunlight ", be that illuminating effect is best in the lighting source, the best and best high intensity discharge light source of application prospect of energy-saving efficiency.To the research and development and the industrialization of ceramic metal helide lamp, " energy-saving and emission-reduction " are set up conservation-minded society be of great significance.
As Chinese patent literature publication patent No. ZL200820166891.8, June 17 2009 Granted publication day, utility model title " integrated ceramic metal halide lamp electric arc tube "; It is made up of translucent alumina discharge cavity and pair of electrodes, be filled with in this discharge cavity and start gas, mercury and metal halide, the translucent alumina discharge cavity comprises the slender type tail pipe at cylindrical drum discharge cavity and two ends, adopt arc transition to be connected between the tail pipe at cylindrical drum discharge cavity and two ends, whole discharge cavity is integrated, pair of electrodes stretches into the tail pipe at two ends respectively to the cylindrical drum discharge cavity, and hermetic seal.But the cavity internal diameter structural design of above-mentioned metal halide lamp electric arc tube is not good enough, causes cold junction temperature, light efficiency, color rendering index is not good enough.Simultaneously, as Chinese patent literature publication application number 200810162502.9, open day on April 29th, 2009, denomination of invention " ceramic metal halide lamp arc tube "; This electric arc tube is with high-purity a-Al
2O
3Polycrystalline translucent alumina (PCA) pottery is made for material calcination, electrode assemblie inserts in the ceramic discharge chamber by tail pipe, by glass solder with electrode assemblie and tail pipe clearance seal, its key points in design is that outer diametric plane and the person in charge, the tail pipe of described transition region is vertical, be "-" type, it is conical that the ceramic discharge chamber of transition region aperture surface is, and fills metal halide, mercury, buffer gas in the ceramic discharge chamber, and the junction of aperture surface and tail pipe is provided with embossed area.But this ceramic metal halide lamp arc tube structure is comparatively complicated, more difficult integrated production, and production cost is higher, and production process is comparatively complicated.
Summary of the invention
For overcoming the deficiency of above-mentioned existence, the purpose of this utility model is a kind of incorporate ceramic metal halide lamp arc tube and the manufacture craft thereof that provides to this area, make it can solve the existing not good enough comparatively complicated technology problem of integral process that causes of like product structural design, the utility model is realized by the following technical solutions.
A kind of ceramic metal halide lamp arc tube, the extra heavy pipe portion in ceramic discharge chamber is positioned at central authorities in this electric arc tube, and thin tube part is positioned at two ends, thin tube part is the symmetrical expression capillary, extra heavy pipe portion is a discharging chamber, and discharge cavity is filled with filler, and filler is buffer gas, halide and mercury thereof.Its key points in design is to be provided with the discharge cavity protuberance, the tapered transition of discharge cavity protuberance between the extra heavy pipe portion of described ceramic discharge chamber internal diameter and the symmetrical expression capillary; The discharge cavity protuberance has been used to improve the effect of cold junction temperature, thereby has improved light efficiency and color rendering index, improve startability, the bulk temperature gradient that makes this electric arc tube rationally, the stable working state of metal halide lamp.The extra heavy pipe portion and the symmetrical expression capillary in ceramic discharge chamber are connected as a single entity, and the extra heavy pipe portion in ceramic discharge chamber and symmetrical expression capillary are connected as a single entity both by removable core parts and jet mould method intersection forming technique.
The extra heavy pipe portion internal diameter in described ceramic discharge chamber is tapered or conical.Taper or conical design have made things convenient for extra heavy pipe portion, symmetrical expression capillary, the discharge cavity protuberance in ceramic discharge chamber to pass through the moulding of jet mould method intersection.
The symmetrical expression capillary inner diameter in described ceramic discharge chamber is provided with special electrode component, and special electrode component is passed through the hermetic seal of rare earth glass scolder in the symmetrical expression capillary.Hermetic seal by the rare earth glass scolder has guaranteed that ceramic discharge chamber inner electrode assembly and filler fully react, and prevents that filler from discharging this ceramic metal halide lamp arc tube.
The utility model has improved cold junction temperature, light efficiency, color rendering index, guaranteed sealing-in district uniform distribution of temperature, guaranteed hermetic seal, reduced the thermal radiation energy loss, the temperature gradient of whole lamp is reasonable, the stable working state of lamp is applicable to the integral manufacture process of metal halide lamp and body thereof.
Description of drawings:
Fig. 1 is a ceramic discharge cavity configuration schematic diagram of the present utility model.
Fig. 2 is a structural representation of the present utility model.
Above figure number and title: 1, ceramic discharge chamber, 101, extra heavy pipe portion, 102, the symmetrical expression capillary, 103, the discharge cavity protuberance, 2, special electrode component, 3, the rare earth glass scolder, 4, filler.
Embodiment:
The utility model is that the execution mode of CDM150W/942 is that example is further described with the model, and execution mode is in conjunction with its design feature, and manufacture craft, parameter, test data.This electric arc tube is to utilize high-purity a-Al
2O
3Two lighting sources that combine of polycrystal aluminium oxide ceramics manufacturing technology and integral manufacture process.
As shown in Figure 1, this ceramic discharge chamber 1 comprises extra heavy pipe portion 101, symmetrical expression capillary 102, discharge cavity protuberance 103, and ceramic discharge chamber internal diameter is tapered or conical.As shown in Figure 2, charge into the filler of buffer gas, halide, mercury in the ceramic discharge chamber, by rare earth glass scolder 3 with the symmetrical expression capillary of special electrode component 2 hermetic seals in the ceramic discharge chamber.The ceramic discharge chamber is through firing pulse after electrodes conduct, buffer gas produced after the glow discharge rise with temperature to transfer arc discharge to, forms stable arc heat emittance and is converted into luminous energy illumination is provided.Its parameter is specific as follows: modulating voltage: 95V; Lamp current: 1.82A; Lamp power: 146W; Luminous flux: 14000lm (lumen); Light efficiency: 95lm/W; Colour temperature: 4100K; Color rendering index: 92.5.Above-mentioned photoelectric parameter explanation has improved cold junction temperature, light efficiency, color rendering index than common ceramic metal helide lamp.Guaranteed sealing-in district uniform distribution of temperature, guaranteed hermetic seal, reduced the thermal radiation energy loss, the temperature gradient of whole metal halide lamp is reasonable, the stable working state of metal halide lamp.
Its manufacture craft is: the earthenware discharge cavity adopts high-purity a-Al
2O
3Polycrystal aluminium oxide ceramics manufacturing technology, place removable core parts in the described ceramic discharge chamber, the extra heavy pipe portion in ceramic discharge chamber, symmetrical expression capillary, discharge cavity protuberance are by the moulding of jet mould method intersection, ceramic arc tube biscuit after the moulding is together with in the locked earthenware discharge cavity of the removable core extra heavy pipe, and removable core parts are used to limit the size shape in ceramic discharge chamber; Removable core parts after the moulding in the ceramic discharge chamber are earlier through chemical treatment, the packaged type core is decomposed in chemical flux, the expansion that produces when preventing biscuiting makes ceramic arc tube biscuit cracking, in 1300 ℃ of air, removable core parts are fused again, after-flame is decomposed after removable core parts fully fuse, obtain the ceramic arc tube biscuit of an integral body, make the ceramic arc tube biscuit becomes final ceramic metal halide lamp arc tube behind roasting and high temperature sintering ceramic discharge chamber.The extra heavy pipe portion diameter that makes the ceramic discharge chamber is 9.0mm, and the symmetrical expression capillary diameter is that 2.6mm, aperture are that 0.9mm, length are that 13.0mm, arc length are 20.0mm, and filler 4 middle rare earth halide are that 8.0mg, buffer gas are Kr
85, mercury is 6mg, the pressure of this ceramic metal halide lamp arc tube is 70Kpa.
Claims (3)
1. ceramic metal halide lamp arc tube, the extra heavy pipe portion (101) of ceramic discharge chamber (1) is positioned at central authorities in this electric arc tube, and thin tube part is positioned at two ends, and thin tube part is symmetrical expression capillary (102), extra heavy pipe portion is a discharging chamber, and discharge cavity is filled with filler (4); It is characterized in that being provided with discharge cavity protuberance (103), the tapered transition of discharge cavity protuberance between the extra heavy pipe portion (101) of described ceramic discharge chamber (1) internal diameter and the symmetrical expression capillary (102); The extra heavy pipe portion and the symmetrical expression capillary in ceramic discharge chamber are connected as a single entity.
2. according to the described ceramic metal halide lamp arc tube of claim 1, it is characterized in that extra heavy pipe portion (101) internal diameter in described ceramic discharge chamber (1) is tapered or conical.
3. according to the described ceramic metal halide lamp arc tube of claim 1, symmetrical expression capillary (102) internal diameter that it is characterized in that described ceramic discharge chamber (1) is provided with special electrode component (2), and special electrode component is passed through rare earth glass scolder (3) hermetic seal in the symmetrical expression capillary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202020131U CN201732760U (en) | 2009-12-02 | 2009-12-02 | Ceramic metal halide lamp arc tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202020131U CN201732760U (en) | 2009-12-02 | 2009-12-02 | Ceramic metal halide lamp arc tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201732760U true CN201732760U (en) | 2011-02-02 |
Family
ID=43523915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202020131U Expired - Fee Related CN201732760U (en) | 2009-12-02 | 2009-12-02 | Ceramic metal halide lamp arc tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201732760U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101826441B (en) * | 2009-12-02 | 2012-05-02 | 宁波亚茂照明电器有限公司 | Ceramic metal halide lamp arc tube and integral manufacture process thereof |
-
2009
- 2009-12-02 CN CN2009202020131U patent/CN201732760U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101826441B (en) * | 2009-12-02 | 2012-05-02 | 宁波亚茂照明电器有限公司 | Ceramic metal halide lamp arc tube and integral manufacture process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: NINGBO YAMAO OPTOELECTRONICS CO., LTD. Free format text: FORMER NAME: NINGBO YAMAO LIGHTING ELECTRIC APPLIANCES CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: ZTE road 315000 Zhejiang city of Ningbo province Fenghua Xikou No. 88 Patentee after: NINGBO YAMAO PHOTOELECTRIC CO., LTD. Address before: ZTE road 315502 Zhejiang city of Fenghua province Xikou town No. 88 Ningbo Yamao Lighting Electrical Appliance Co. Ltd. Patentee before: Ningbo Yamao Lighting Electric Appliances Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110202 Termination date: 20151202 |
|
| EXPY | Termination of patent right or utility model |