CN201084692Y - A ceramic metal halide lamp electric-arc tube - Google Patents
A ceramic metal halide lamp electric-arc tube Download PDFInfo
- Publication number
- CN201084692Y CN201084692Y CNU2007200466242U CN200720046624U CN201084692Y CN 201084692 Y CN201084692 Y CN 201084692Y CN U2007200466242 U CNU2007200466242 U CN U2007200466242U CN 200720046624 U CN200720046624 U CN 200720046624U CN 201084692 Y CN201084692 Y CN 201084692Y
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- arc tube
- tubule
- metal halide
- closing
- ceramic metal
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Abstract
The utility model discloses an electric arc tube for ceramic metallic halide lamps, comprising a semitransparent alumina ceramic tube envelope and an electrode part; wherein, the envelope comprises a cylindrical tube, two conic closing-ins and two tubules; two ends of the cylindrical tube are respectively connected with two conic closing-ins to form a discharge cavity; each conic closing-in is connected with a long tubule; the envelope is an integrated one-piece structure made using a die through injection method; certain amount of inert gas, trace amount of mercury and metallic halide are filled in the discharge cavity; two electrodes are respectively extended in to the discharge cavity from the two tubules. The utility model has the advantages of simple structure, easy manufacture, good photochromic properties, high reliability and long service life.
Description
Technical field
The utility model relates to a kind of electric arc tube, refers in particular to a kind of ceramic metal halide lamp arc tube.
Background technology
Ceramic metal helide lamp is the first-generation metal halide lamp that external eighties of last century is succeeded in developing 90 year mid-term, have characteristics such as good, photochromic stable and life-span of light efficiency height, color developing is long, be the optimal high intensity discharge light source of a kind of illuminating effect, thereby become the focus that illumination circle manufacturer and user chases.
Electric arc tube is the core luminous component of ceramic metal helide lamp, and the translucent alumina ceramics shell is again one of key components and parts of ceramic metal helide lamp.General ceramic metal halide lamp arc tube mostly is the thin structure in thick two in the middle of adopting, and thicker middle part is as discharging chamber, and two ends are received thin and introduced electrode to discharging chamber.The electric arc tube shell generally adds the additive making of trace with highly purified alumina material.The shape of the shape of electric arc tube shell, especially discharging chamber, composition structure and manufacture method all will directly have influence on its colorimetric characteristics and unfailing performance.At present the electric arc tube that uses by many all be to adopt the cylindrical tube two ends to add the disc end cap to form discharging chamber, two end caps connect this structure of tubule introducing electrode again.The shortcoming of this structure is that electric arc tube is split type, promptly by two bodies or many bodies molded and shaped respectively after again butt joint fire and form, both there had been stress in joining place at cylindrical tube and end cap, can form cold spot again, liquid metal halide is easy to pile up herein, thereby has influence on the colorimetric characteristics and the unfailing performance of electric arc tube.
Summary of the invention
The technical problems to be solved in the utility model is: in order to overcome the deficiencies in the prior art, the utility model provides a kind of ceramic metal halide lamp arc tube of monolithic construction.
The technical solution adopted in the utility model is: a kind of ceramic metal halide lamp arc tube, comprise translucent aluminium oxide ceramics shell and electrode part, wherein shell comprises cylindrical tube, taper closing in, tubule three part-structures, the two ends of cylindrical tube respectively connect the taper closing in and form discharging chamber, and each taper is closed up and connected one section long tubule again with the introducing electrode.Whole shell is with the integral type structure of mould by integral one-step molding after the injection material feeding.The cylindrical tube of shell, taper closing in, tubule three part-structure coaxial design, the joining place of taper closing in and tubule adopts arc transition.
In the discharging chamber among the mercury of a certain amount of inert gas of filling, trace and metal halide Sc, Na, Tl, Dy, Ho, the Tm one or more.
Two electrodes stretch in the discharging chamber from the tubule at two ends respectively, contact conductor and tubule are sealed with glass solder in the end of tubule.
The beneficial effects of the utility model are: simple in structure, easily manufactured, colorimetric characteristics and unfailing performance are good, long service life.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the structural representation of translucent alumina ceramics shell of the present utility model.
Fig. 2 is a structural representation of the present utility model.
Fig. 3 is the structural representation that has assembled ceramic metal helide lamp of the present utility model.
1. shell 1-1. cylindrical tube 1-2. taper closing in 1-3. tubules, 2. electrodes among the figure
Embodiment
A kind of ceramic metal halide lamp arc tube as shown in Figure 1, comprise translucent aluminium oxide ceramics shell 1 and electrode 2, wherein shell 1 comprises cylindrical tube 1-1, taper closing in 1-2, tubule 1-3 three part-structures, the two ends of cylindrical tube 1-1 are connected to taper closing in 1-2 and form discharging chamber, and each taper closing in 1-2 connects one section long tubule 1-3 again.Whole shell 1 is with the integral type structure of mould by integral one-step molding after the injection material feeding.The cylindrical tube 1 of shell, taper closing in 2, tubule 3 three part-structure coaxial design, the joining place of taper closing in 2 and tubule 3 adopts arc transition.
During making,, by integral one-step molding after the injection material feeding, through the demoulding, biscuiting, high fever operation, make the translucent alumina ceramics shell again with mould earlier with after the material slurrying such as alumina powder.In the discharging chamber among the mercury of a certain amount of inert gas of filling, trace and metal halide Sc, Na, Tl, Dy, Ho, the Tm one or more.Two electrodes stretch in the discharging chamber from the tubule at two ends respectively, contact conductor and tubule are sealed with glass solder in the end of tubule.
Electric arc tube of the present utility model adopts this structure can improve the chilling temperature at electric arc tube discharging chamber two ends well, the air pressure of the metal halide steam in the discharging chamber is increased, the concentration, the quantity that participate in the metallic atom of Discharge illuminating increase, thereby have improved the photochromic performance when discharging.Electric arc tube is the gas leakage problem that monolithic construction can effectively be stopped electric arc tube, improves the reliability of electric arc tube, increases the service life.
Claims (3)
1. ceramic metal halide lamp arc tube, comprise translucent aluminium oxide ceramics shell (1) and electrode (2) part, it is characterized in that: shell (1) comprises cylindrical tube (1-1), taper closing in (1-2), tubule (1-3) three part-structures, the two ends of cylindrical tube (1-1) respectively connect taper closing in (1-2) and form discharging chamber, each taper closing in (1-2) connects one section long tubule (1-3) again, and two electrodes (2) stretch in the discharging chamber from two tubules (1-3) respectively; Whole shell (1) is with the integral type structure of mould by integral one-step molding after the injection material feeding.
2. ceramic metal halide lamp arc tube according to claim 1 is characterized in that: the cylindrical tube of described shell (1), taper closing in (2), tubule (3) three part-structure coaxial design.
3. ceramic metal halide lamp arc tube according to claim 1 is characterized in that: taper is closed up (2) and the joining place of tubule (3) adopts arc transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200466242U CN201084692Y (en) | 2007-09-17 | 2007-09-17 | A ceramic metal halide lamp electric-arc tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200466242U CN201084692Y (en) | 2007-09-17 | 2007-09-17 | A ceramic metal halide lamp electric-arc tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201084692Y true CN201084692Y (en) | 2008-07-09 |
Family
ID=39627164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200466242U Expired - Fee Related CN201084692Y (en) | 2007-09-17 | 2007-09-17 | A ceramic metal halide lamp electric-arc tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201084692Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102097277A (en) * | 2010-11-23 | 2011-06-15 | 浙江华氏照明科技有限公司 | Novel quartz metal halide lamp |
| 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 |
-
2007
- 2007-09-17 CN CNU2007200466242U patent/CN201084692Y/en not_active Expired - Fee Related
Cited By (3)
| 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 |
| CN102097277A (en) * | 2010-11-23 | 2011-06-15 | 浙江华氏照明科技有限公司 | Novel quartz metal halide lamp |
| CN102097277B (en) * | 2010-11-23 | 2016-04-06 | 浙江华氏照明科技有限公司 | A kind of quartz metal halide lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGXI QUANSHENG RARE EARTH TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: WANG KAI Effective date: 20150429 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 213176 CHANGZHOU, JIANGSU PROVINCE TO: 341700 GANZHOU, JIANGXI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150429 Address after: The 341700 Jiangxi city of Ganzhou province Longnan County Township new Shenzhen Industrial Zone Patentee after: Jiangxi changshuang light rare earth science and technology limited liability company Address before: Lijia Town, Wujin District 213176 Jiangsu city of Changzhou province Changzhou Kaikai Lighting Co. Ltd. Patentee before: Wang Kai |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080709 Termination date: 20160917 |