CN201812795U - Electric arc tube of ceramic electrodeless lamp - Google Patents
Electric arc tube of ceramic electrodeless lamp Download PDFInfo
- Publication number
- CN201812795U CN201812795U CN2010205614026U CN201020561402U CN201812795U CN 201812795 U CN201812795 U CN 201812795U CN 2010205614026 U CN2010205614026 U CN 2010205614026U CN 201020561402 U CN201020561402 U CN 201020561402U CN 201812795 U CN201812795 U CN 201812795U
- Authority
- CN
- China
- Prior art keywords
- pottery
- tube connector
- electric arc
- electrodeless lamp
- arc tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000010891 electric arc Methods 0.000 title claims abstract description 26
- 239000000919 ceramic Substances 0.000 title claims abstract description 17
- 229910010293 ceramic material Inorganic materials 0.000 claims abstract description 15
- 238000003466 welding Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 8
- 239000002241 glass-ceramic Substances 0.000 claims description 3
- 238000005476 soldering Methods 0.000 abstract 2
- 229910000679 solder Inorganic materials 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 10
- 230000005684 electric field Effects 0.000 description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000010453 quartz Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 238000005245 sintering Methods 0.000 description 4
- 239000007772 electrode material Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 229910052571 earthenware Inorganic materials 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000003411 electrode reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
The utility model belongs to the field of electrodeless plasma light sources, in particular relates to an electric arc tube of a ceramic electrodeless lamp, which comprises a light-emitting cavity and connecting tubes arranged at one end or two ends of the light-emitting cavity, wherein the light-emitting cavity is made of transparent or light-transmitting ceramic materials, and light-emitting gas and starting gas are filled in the light-emitting cavity; and the inside of each connecting tube is sealed by a ceramic plug rod, a soldering groove is arranged at the tail end of the connecting tube, the soldering groove realizes the gas-tight seal of the connecting tube by filling solder, and the range of the ratio of the diameter of the connecting tube to the maximum diameter of the light-emitting cavity is 50%-100%. The electric arc tube of a ceramic electrodeless lamp in the utility model has the advantages of high light-emitting efficiency, longer service life and the like.
Description
Technical field
The utility model belongs to electrodeless plasma light source domain, relates in particular to the electrodeless lamp electric arc tube of a kind of pottery.
Background technology
The plasma light source is to utilize the radiation of be stimulated atom or molecule in the plasma that lumen is provided.Wherein, electric field is used for producing and safeguarding the excitation state of atom or molecule, and the original molecule that excites is got back to the low-lying level attitude with different probabilities and speed transition, and the energy of its loss is transformed into photon, and then finishes the conversion of electric energy to luminous energy or lumen.And general plasma light source, as fluorescent lamp, quartz metal halide lamp, ceramic gold-halogen lamps etc. utilize electrode that electromagnetic field is delivered in the plasma chamber (electric arc tube).Electrode is two terminals of plasma, again for plasma provides electronics, so it causes the loss of electrode material except being subjected to ohmic heating and will being subjected to ion and electron bombard.The destruction of electrode is one of main defective pattern of plasma source, and free electrode material, as tungsten, is deposited on the output that has stopped light on the electric arc tube, thereby causes light decay.
Summary of the invention
At the shortcoming of prior art, the purpose of this utility model provides a kind of luminous efficiency height, longer ceramic electrodeless lamp electric arc tube of life-span.
For achieving the above object, the technical solution of the utility model is: the electrodeless lamp electric arc tube of a kind of pottery, the tube connector that it comprises lighting cavity and is located at its one or both ends, lighting cavity is made by transparent or light transmissive ceramic material, be filled with luminous gas in it and start gas, seal by a ceramic stopper rod in the tube connector, this tube connector end is provided with welding groove, welding groove is realized the gas-tight seal of tube connector by filling scolder, and the ratio scope of tube connector diameter and lighting cavity maximum gauge is between 50%-100%.
In this programme, owing to can not produce electrode damage, light fixture has the more long-life, does not have electrode material to pollute electric arc tube in addition, can effectively reduce the light source light decay; Because without the electrode definition electric field, plasma no longer terminates on the electrode end surface, plasma is full of whole lighting cavity more equably, utilize all luminescent substances more fully, thereby higher light efficiency arranged, simultaneously do not worry luminescent substance and electrode reaction yet, thereby have more multiple stimulative substance to select.
Simultaneously, tube connector is thicker than the capillary of prior art, its purpose except with ceramic stopper rod sealing-in, the mechanical part that can be installed in microwave cavity the inside also is provided.
This lighting cavity is cylindrical-shaped structure, and cylindric end face is plane or arcwall face.Cylindric is to mate in order to distribute with microwave electric field better.
Further, this pottery stopper rod terminal concordant near an end of lighting cavity and tube connector.
The external diameter of this pottery stopper rod is suitable with the internal diameter of tube connector.
This tube connector is made by ceramic material, and this pottery stopper rod is consistent with the coefficient of expansion of tube connector.
This pottery stopper rod and tube connector are light transmissive ceramic material by constituting with a kind of ceramic material, as aluminium oxide etc.
Further, this welding groove internal diameter is greater than the tube connector internal diameter, and in this programme, the welding groove internal diameter of tube connector end face is bigger than tube connector internal diameter, conveniently fills scolder and finishes sealing-in.
In order accurately to locate the position of ceramic stopper rod, this ceramic plug masthead end is provided with the location structure with the welding groove secure fit, and scolder is filled on this location structure.Perhaps, the junction of this lighting cavity and tube connector is provided with location structure, and it is used for installing and locating pottery stopper rod.
In order to improve the light extraction efficiency of electric arc tube, the end of this pottery stopper rod is provided with reflective surface.
Be coated with pottery or glass ceramics reflectorized material on this lighting cavity demifacet.Vertical demifacet of described lighting cavity or horizontal demifacet are coated high temperature resistant refecting ceramic material, and sintering forms directed luminous plasma source at the lighting cavity outer wall.The reflectorized material sintering temperature can be lower than earthenware material softening point temperature at 800 to 1100 ℃, and reflecting rate is greater than 90%.
Description of drawings
Fig. 1 is the structural representation of the electrodeless lamp electric arc tube embodiment 1 of the utility model pottery;
Fig. 2 is the structural representation of the utility model embodiment 2;
Fig. 3, Fig. 4 are the structural representation of the utility model embodiment 3;
Fig. 5, Fig. 6 are the structural representation of the utility model embodiment 4;
Fig. 7, Fig. 8 are the structural representation of the utility model embodiment 5.
Embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described in detail.
As shown in Figure 1, the utility model discloses the electrodeless lamp electric arc tube of a kind of pottery, the tube connector 2 that it comprises lighting cavity 1 and is located at the one end, lighting cavity 1 is made by transparent or light transmissive ceramic material, be filled with luminous gas in it and start gas, seal by a ceramic stopper rod 3 in the tube connector 2, these tube connector 2 ends are provided with welding groove 4, welding groove 4 is realized the gas-tight seal of tube connector 2 by filling scolder, and the ratio scope of tube connector 2 diameters and lighting cavity 1 maximum gauge is between 50%-100%.Fill scolder for convenience, design welding groove 4 internal diameters bigger than the internal diameter of tube connector 2.
Wherein, this luminous gas is an argon gas with starting gas, krypton gas, and xenon etc., luminescent substance comprises indium, sodium, caesium, gallium, the halide that fusing points such as calcium are lower.This lighting cavity and the tube connector structure that is formed in one.Startup gas use Kr85 etc. has radioactive gas, to reduce starting resistor, i.e. microwave starting electric field strength.
Mate in order to distribute with microwave electric field better, this lighting cavity 1 is cylindrical-shaped structure, and cylindric end face is a planar structure.
One end of these pottery stopper rod 3 close lighting cavity 1 is terminal concordant with tube connector 2; The internal diameter of the external diameter of this pottery stopper rod 3 and tube connector 2 is suitable.
This tube connector 2 is made by ceramic material, and this pottery stopper rod 3 is consistent with the coefficient of expansion of tube connector 2, can effectively avoid because tube connector 2 is inconsistent with the coefficient of expansion of ceramic stopper rod 3, and the tube connector 2 that causes breaks or has the gap.Less clearance has prevented effectively that luminescent substance from entering the gap and the loss of the luminescent substance that brings and the light efficiency that causes thus lower and the change in color of light.
Particularly, this pottery stopper rod 3 and tube connector 2 are aluminium oxide or YAG material by constituting with a kind of ceramic material.
These pottery stopper rod 3 ends are provided with the location structure 5 with welding groove 4 secure fit, and scolder is filled on this location structure 5.Can position ceramic stopper rod 3 easily by this location structure 5.
In order to improve the light extraction efficiency of electric arc tube, the end of this pottery stopper rod 3 is provided with reflective surface.
Be coated with pottery or glass ceramics reflectorized material on this lighting cavity 1 demifacet.Described lighting cavity 1 vertical demifacet or horizontal demifacet are coated high temperature resistant refecting ceramic material, and sintering forms directed luminous plasma source at the lighting cavity outer wall.The reflectorized material sintering temperature can be lower than earthenware material softening point temperature at 800 to 1100 ℃, and reflecting rate is greater than 90%.
The power supply of electrodeless lamp generally is a HF transmitter through amplifying, by waveguide or coaxial cable with the energy input resonator.And ceramic electrodeless lamp electric arc tube is inserted the strongest zone of resonant cavity electric field, utilizes its electric field excited atom molecule and luminous.The utility model as electric arc tube, can pervasively be used in various high frequencies or microwave power supply resonant cavity with ceramic material, and its advantage has following advantage compared with the electrodeless lamp of quartz arc tube:
1. pottery is more high temperature resistant than quartz, helps improving plasma air pressure, improves light efficiency;
2. pottery can more worked under the hyperbar than the more anti-hyperbar of quartz, improves light efficiency;
Since pottery than more heat conduction of quartz, the ceramic surface more uniform temperature is effectively eliminated cold spot, improves light efficiency and colour consistency;
4. because pottery is littler than quartzy frequency electromagnetic waves loss, reduce the electromagnetic field loss, improve electro-optical efficiency, or the every wattage of lumen.
As shown in Figure 2, the structure of present embodiment and embodiment 1 are approximate, and its difference is that the two ends of this lighting cavity 1 are equipped with tube connector 2.
As shown in Figures 3 and 4, the structure of present embodiment and embodiment 1 are approximate, its difference is, the diameter of this tube connector 2 is approaching or identical with the diameter of lighting cavity 1, and this lighting cavity 1 is provided with location structure 6 with the junction of tube connector 2, and it is used for installing and locating pottery stopper rod 3, and the internal diameter of welding groove 4 is consistent with the internal diameter of tube connector 2, because tube connector 2 internal diameters are bigger, can enlarge welding groove 4 sizes, can conveniently realize the filling of scolder.
As Fig. 5 and shown in Figure 6, the structure of present embodiment and embodiment 1 are approximate, and its difference is that the diameter of this tube connector 2 is approaching or identical with the diameter of lighting cavity 1, the internal diameter of the internal diameter of this welding groove 4 and tube connector 2 is big slightly, and ceramic stopper rod 3 ends can be set bit slice etc. and cooperate the location with welding groove 4.
As shown in Figures 7 and 8, the structure of present embodiment and embodiment 1 are approximate, and wherein, this lighting cavity 1 also is cylindrical-shaped structure, and its difference is, curved structure of this cylindrical-shaped structure end face.
Claims (10)
1. electrodeless lamp electric arc tube of pottery, it is characterized in that, comprise lighting cavity and be located at the tube connector of its one or both ends, lighting cavity is made by light transmissive ceramic material, be filled with luminous gas in it and start gas, seal by a ceramic stopper rod in the tube connector, this tube connector end is provided with welding groove, welding groove is realized the gas-tight seal of tube connector by filling scolder, and the ratio scope of tube connector diameter and lighting cavity maximum gauge is between 50%-100%.
2. the electrodeless lamp electric arc tube of pottery according to claim 1 is characterized in that this lighting cavity is cylindrical-shaped structure, and cylindric end face is plane or arcwall face.
3. the electrodeless lamp electric arc tube of pottery according to claim 2 is characterized in that, an end of the close lighting cavity of this pottery stopper rod is terminal concordant with tube connector.
4. the electrodeless lamp electric arc tube of pottery according to claim 1 is characterized in that the external diameter of this pottery stopper rod is suitable with the internal diameter of tube connector; This tube connector is made by ceramic material, and this pottery stopper rod is consistent with the coefficient of expansion of tube connector.
5. the electrodeless lamp electric arc tube of pottery according to claim 4 is characterized in that, this pottery stopper rod and tube connector be by constituting with a kind of ceramic material, and is light transmissive ceramic material.
6. the electrodeless lamp electric arc tube of pottery according to claim 1 is characterized in that this welding groove internal diameter is greater than the tube connector internal diameter.
7. the electrodeless lamp electric arc tube of pottery according to claim 6 is characterized in that, this pottery stopper rod end is provided with the location structure with the welding groove secure fit, and scolder is filled on this location structure.
8. the electrodeless lamp electric arc tube of pottery according to claim 1 is characterized in that the junction of this lighting cavity and tube connector is provided with location structure, and it is used for installing and locating pottery stopper rod.
9. the electrodeless lamp electric arc tube of pottery according to claim 1 is characterized in that the end of this pottery stopper rod is provided with reflective surface; Be coated with pottery or glass ceramics reflectorized material on this lighting cavity demifacet.
10. according to the electrodeless lamp electric arc tube of each described pottery of claim 1 to 9, it is characterized in that this lighting cavity and the tube connector structure that is formed in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205614026U CN201812795U (en) | 2010-10-14 | 2010-10-14 | Electric arc tube of ceramic electrodeless lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205614026U CN201812795U (en) | 2010-10-14 | 2010-10-14 | Electric arc tube of ceramic electrodeless lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201812795U true CN201812795U (en) | 2011-04-27 |
Family
ID=43895734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205614026U Expired - Fee Related CN201812795U (en) | 2010-10-14 | 2010-10-14 | Electric arc tube of ceramic electrodeless lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201812795U (en) |
-
2010
- 2010-10-14 CN CN2010205614026U patent/CN201812795U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103021796B (en) | Light source | |
| US7719195B2 (en) | Plasma lamp with field-concentrating antenna | |
| US20010035720A1 (en) | High intensity light source | |
| CN202103017U (en) | Plasma lamp equipment | |
| US8847488B2 (en) | Fill combination and method for high intensity lamps | |
| CN201829464U (en) | Ceramic non-polar plasma light source | |
| CN101980354A (en) | Electric arc tube of ceramic electrodeless lamp | |
| CN102243983A (en) | Electrodeless lamp | |
| CN201812795U (en) | Electric arc tube of ceramic electrodeless lamp | |
| KR100884415B1 (en) | An electrode-less fluorescent lamp having a 3-dimensional structure, and a method for manufacturing the same | |
| CN100423173C (en) | Arc tube of ceramic metal halide lamp | |
| CN204927239U (en) | Microwave plasma light source | |
| JP2011233311A (en) | Microwave discharge lamp device and method of manufacturing microwave discharge lamp | |
| CN104952690A (en) | Electrodeless radio frequency plasma bulb | |
| CN101964300A (en) | Bidirectional high-frequency electrodeless lamp bulb and high-frequency electrodeless lamp | |
| CN108054077A (en) | One kind is used for the electrodeless ceramic bulbs of microwave plasma | |
| CN101388321B (en) | Both end heat conducting HF lamp without electrodes | |
| CN204927240U (en) | Electrodeless radio frequency plasma bulb | |
| CN207818523U (en) | One kind being used for the electrodeless ceramic bulbs of microwave plasma | |
| CN219040408U (en) | Excimer light source | |
| CN103515189B (en) | Electrodeless bulb and lighting apparatus | |
| CN201256143Y (en) | Microwave metallic halogen lamp | |
| CN203562401U (en) | Electrodeless bulb and illuminating device | |
| CN2891274Y (en) | Arc tube of ceramic metal halide lamp | |
| CN202196751U (en) | Electrodeless lamp |
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: CHAOZHOU CHAOHAO ELECTRIC LIGHT SOURCE CO., LTD. Free format text: FORMER OWNER: CHAOZHOU CHEN'GE ELECTRIC LIGHT SOURCE CO., LTD. Effective date: 20120315 Free format text: FORMER OWNER: CHAOZHOU CANYUAN ELECTRIC LIGHT SOURCE CO., LTD. Effective date: 20120315 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yang Chaoping Inventor before: Xie Cansheng Inventor before: Gao Ju Inventor before: Lu Zhenzhou |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 521011 CHAOZHOU, GUANGDONG PROVINCE TO: 515646 CHAOZHOU, GUANGDONG PROVINCE Free format text: CORRECT: INVENTOR; FROM: XIE CANSHENG GAO JU LU ZHENZHOU TO: YANG CHAOPING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120315 Address after: An industrial zone, Chaozhou city of Guangdong Province, 515646 Kwun Tong Town, Chaoan County Patentee after: Chaozhou Zhaohao Electric Light Source Co., Ltd. Address before: 521011, Guangdong, Chaozhou Province, No. 45 South Road, three ring Group Co., Ltd. porcelain Workshop on the southwest floor of the two floor Co-patentee before: Chaozhou Sanyuan Electric Light Source Co., Ltd. Patentee before: Chaozhou Chenge Electric Light Source Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: YANG CHAOPING Free format text: FORMER OWNER: CHAOZHOU CHAOHAO ELECTRIC LIGHT SOURCE CO., LTD. Effective date: 20121225 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 515646 CHAOZHOU, GUANGDONG PROVINCE TO: 515000 CHAOZHOU, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20121225 Address after: 515000 Guangdong Province, Chaozhou city Xiangqiao District Xiangqiao North Road No. 9, 2 Yang CuO Xiang Patentee after: Yang Chaoping Address before: An industrial zone, Chaozhou city of Guangdong Province, 515646 Kwun Tong Town, Chaoan County Patentee before: Chaozhou Zhaohao Electric Light Source Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110427 Termination date: 20161014 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |