CN203277323U - Miniaturized rectangular microwave plasma electrodeless metal halide lamp - Google Patents
Miniaturized rectangular microwave plasma electrodeless metal halide lamp Download PDFInfo
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- CN203277323U CN203277323U CN 201320241656 CN201320241656U CN203277323U CN 203277323 U CN203277323 U CN 203277323U CN 201320241656 CN201320241656 CN 201320241656 CN 201320241656 U CN201320241656 U CN 201320241656U CN 203277323 U CN203277323 U CN 203277323U
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- coupling unit
- rectangular cavities
- microwave plasma
- opening
- electrodeless metal
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Abstract
The utility model provides a miniaturized microwave plasma electrodeless metal halide lamp. The miniature microwave plasma electrodeless metal halide lamp comprises a hollow resonant cavity body, a first coupling unit, a second coupling unit, a bulb and a feed probe, wherein the resonant cavity body comprises a first rectangular cavity body and a second rectangular cavity body which are successively communicated and connected; the first coupling unit and the second coupling unit are both L-type metal sheets and arranged in a mirror image manner; the first and the second coupling units are inserted into the first and the second rectangular cavity bodies through a first opening; the bulb is arranged above the first opening; the first and the second coupling units are both inserted below the bulb; the lower ends of the first and the second coupling units are fixedly connected with the inner walls of the left side and the right side of the second rectangular cavity body respectively; the feed probe is inserted into the second rectangular cavity body; and the feed probe is disposed below the first coupling unit and the second coupling unit and arranged parallel to and opposite to the first coupling unit and the second coupling unit. The miniaturized microwave plasma electrodeless metal halide lamp has the advantages of being small in size and easy to manufacture.
Description
Technical field
The utility model relates to the electrodeless Metal halogen lamp of a kind of plasma, refers in particular to a kind of electrodeless Metal halogen lamp of rectangle microwave plasma of miniaturization.
Background technology
In the electrodeless Metal halogen lamp of microwave plasma, the microwave energy that solid state microwave sources produces is fed into resonant cavity, by the coupling unit in the resonant cavity resonant cavity, concentration of energy is coupled to the bulb inner stuffing, to form luminous plasma.The electrodeless Metal halogen lamp of plasma provides the bright white light source of point-like, and this light source has the continuous spectrum that approaches very much with the nature visible light.The advantage such as that the electrodeless Metal halogen lamp of such microwave plasma has is electrodeless, light efficiency is high and light decay is little; In the process of the electrodeless Metal halogen lamp of microwave plasma in concentration of energy is coupled to bulb, need large resonant cavity to carry out resonance for energy of electromagnetic field, thereby cause the electrodeless Metal halogen lamp of microwave plasma to have that volume is large, the shortcoming of Heavy Weight.
Reduce the microwave cavity volume and can take filled media in the chamber, but there is the shortcoming of two aspects in the method: the firstth, the adding of dielectric material, difficulty of processing and material cost increase; The secondth, adding of microwave dielectric material can cause the lossy microwave in resonant cavity to become large.
Another means that reduce the microwave cavity size are the operating frequencies that increase microwave cavity, and also there is the shortcoming of three aspects: in the method: the firstth, and the increase of operating frequency causes the delivery efficiency of solid state microwave sources to reduce, and manufacturing cost increases simultaneously; The secondth, the increase of operating frequency causes the lossy microwave of resonant cavity inner wire and air to become large, and the 3rd, the increase of operating frequency, the protection difficulty of microwave plasma lamp electromagnetic radiation increases, and affects the most at last the light efficiency of whole lamp.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of electrodeless Metal halogen lamp of rectangle microwave plasma of miniaturization, and volume is little, and operating frequency is low, low cost of manufacture.
The utility model is achieved in that a kind of electrodeless Metal halogen lamp of rectangle microwave plasma of miniaturization, and the electrodeless Metal halogen lamp of this rectangle microwave plasma comprises resonant cavity, one first coupling unit, one second coupling unit, a bulb and a feed probes that is connected with the solid state microwave sources coaxial line of a hollow; Described resonant cavity comprises from top to bottom corresponding one first rectangular cavities and one second rectangular cavities that arranges successively; Described the first rectangular cavities is communicated with described the second rectangular cavities and joins, and the length of described the first rectangular cavities, width are all less than length, the width of described the second rectangular cavities; Described first, second coupling unit is the sheet metal of L-type, and both mirror images of described first, second coupling unit arrange; The upper surface of described the first rectangular cavities is provided with one first opening, and described first, second coupling unit is inserted in described first, second rectangular cavities by described the first opening; Described bulb arranges in the top of described the first opening; The upper end of described first, second coupling unit all is inserted in the below of described bulb, and the lower end of described first, second coupling unit is fastenedly connected respectively the arranged on left and right sides inwall in described the second rectangular cavities; The side of described the second rectangular cavities is provided with one second opening; Described feed probes flatly is inserted in described the second rectangular cavities by described the second opening; Described feed probes is located at the below of described first, second coupling unit, and this feed probes and the parallel corresponding setting of described first, second coupling unit.
Better, described first, second coupling unit both respectively the distance between two inwalls relative with described the first rectangular cavities be D
1, 1mm≤D
1≤ 10mm; Distance between described the first coupling unit and the second coupling unit is D
2, 1mm≤D
2≤ 10mm.
Better, described first, second coupling unit all can be outer surface and all is covered with the exotic material of silver or the conductor of high temperature resistant high conductivity.
The utility model has the advantage of: the first coupling unit, the second coupling unit that arrange by mirror image, effectively strengthen the equivalent coupled electric capacity that forms between resonant cavity and coupling unit, make the space of resonant cavity under identical operating frequency be dwindled, not only reduce the volume of resonant cavity, and cut down finished cost.
Description of drawings
In conjunction with the embodiments the utility model is further described with reference to the accompanying drawings.
Fig. 1 is the structure cutaway view of the electrodeless Metal halogen lamp of rectangle microwave plasma of a kind of miniaturization of the utility model.
Fig. 2 is the vertical view of resonant cavity in the electrodeless Metal halogen lamp of rectangle microwave plasma of a kind of miniaturization of the utility model.
Embodiment
See also illustrated in figures 1 and 2, the electrodeless Metal halogen lamp 100 of a kind of rectangle microwave plasma of miniaturization, the electrodeless Metal halogen lamp 100 of this rectangle microwave plasma comprise resonant cavity 1, one first coupling unit 2, one second coupling unit 3, a bulb 4 and a feed probes 5 that is connected with the solid state microwave sources coaxial line of a hollow; Described resonant cavity 1 comprises from top to bottom corresponding one first rectangular cavities 11 and one second rectangular cavities 12 that arranges successively; Described the first rectangular cavities 11 is communicated with described the second rectangular cavities 12 and joins, and the length L of described the first rectangular cavities 11
1, width W
1All less than the length L of described the second rectangular cavities 12
2, width W
2Described the first coupling unit 2, the second coupling unit 3 are the sheet metal of L-type, and described the first coupling unit 2, both mirror images of the second coupling unit 3 arrange; The upper surface of described the first rectangular cavities 11 is provided with one first opening 111, and described the first coupling unit 2, the second coupling unit 3 are inserted in described the first rectangular cavities 11, the second rectangular cavities 12 by described the first opening 111; Described bulb 4 arranges in the top of described the first opening 111; The upper end of described the first coupling unit 2, the second coupling unit 3 all is inserted in the below of described bulb 4, and the lower end of described the first coupling unit 2, the second coupling unit 3 is fastenedly connected respectively in the arranged on left and right sides inwall of described the second rectangular cavities 12; The side of described the second rectangular cavities 12 is provided with one second opening 121; Described feed probes 5 flatly is inserted in described the second rectangular cavities 12 by described the second opening 121; Described feed probes 5 is located at the below of described the first coupling unit 2, the second coupling unit 3, and this feed probes 5 and described the first coupling unit 2, the parallel corresponding setting of the second coupling unit 3; As shown in Figure 1, described the second opening 121 can be opened in left side or the right side of described the second rectangular cavities 12 in the present embodiment, make this feed probes 5 by described the second opening 121 from left to right or from right to left level insert in described the second rectangular cavities 12, and make this feed probes 5 and the corresponding setting of the lower parallel of the first coupling unit 2, the second coupling unit 3.Due to the first coupling unit 2, the second coupling unit 3 mirror image settings; Make first, second coupling unit form two space S with two inwalls of the first rectangular cavities 11 respectively
1, and the first coupling unit 2 and the second coupling unit 3 both both sides of leaning on mutually form a space S
2, by adjusting space S
1And space S
2Both sizes, and then the equivalent coupled electric capacity of increasing microwave plasma lamp resonant cavity, not only simple in structure, processing cost is low, and can effectively make the volume-diminished of resonant cavity; Simultaneously, because operating frequency is low, can not cause the lossy microwave of the interior conductor of resonant cavity 1 and air to become large.
As depicted in figs. 1 and 2, described the first coupling unit 2, the second coupling unit 3 both respectively the distance between two inwalls relative with described the first rectangular cavities 11 be D
1, 1mm≤D
1≤ 10mm; Distance between described the first coupling unit 2 and the second coupling unit 3 is D
2, 1mm≤D
2≤ 10mm.This design effectively strengthens the equivalent coupled electric capacity in resonant cavity 1, and the size of dwindling resonant cavity 1.Described the first coupling unit 2, the second coupling unit 3 all can be outer surface and all are covered with the exotic material of silver or the conductor of high temperature resistant high conductivity.This design makes the conductivity of the first coupling unit 2, the second coupling unit 3 better, and high temperature resistant.
the utility model is when using, first join by the second opening and solid state microwave sources coaxial line, the solid state microwave sources energy passes through coaxial line, in feed probes feed-in resonant cavity, the space that microwave energy consists of by the first coupling unit and the first rectangular cavities, the space that the space that the second coupling unit and the first rectangular cavities consist of and the first coupling unit and the second coupling unit consist of is coupled at the resonant cavity interior resonance, because the equivalent coupled electric capacity of electromagnetic field in resonant cavity has been strengthened in three spaces, do not needing filled media in resonant cavity, increase in the situation of resonant cavity operating frequency, effectively reduce the volume and weight of resonant cavity, and then realize the miniaturization of the electrodeless Metal halogen lamp of rectangle microwave plasma.
Although more than described embodiment of the present utility model; but being familiar with those skilled in the art is to be understood that; our described specific embodiment is illustrative; rather than for the restriction to scope of the present utility model; those of ordinary skill in the art are in modification and the variation of the equivalence of doing according to spirit of the present utility model, all should be encompassed in the scope that claim of the present utility model protects.
Claims (3)
1. the electrodeless Metal halogen lamp of rectangle microwave plasma of a miniaturization, it is characterized in that: the electrodeless Metal halogen lamp of this rectangle microwave plasma comprises resonant cavity, one first coupling unit, one second coupling unit, a bulb and a feed probes that is connected with the solid state microwave sources coaxial line of a hollow; Described resonant cavity comprises from top to bottom corresponding one first rectangular cavities and one second rectangular cavities that arranges successively; Described the first rectangular cavities is communicated with described the second rectangular cavities and joins, and the length of described the first rectangular cavities, width are all less than length, the width of described the second rectangular cavities; Described first, second coupling unit is the sheet metal of L-type, and both mirror images of described first, second coupling unit arrange; The upper surface of described the first rectangular cavities is provided with one first opening, and described first, second coupling unit is inserted in described first, second rectangular cavities by described the first opening; Described bulb arranges in the top of described the first opening; The upper end of described first, second coupling unit all is inserted in the below of described bulb, and the lower end of described first, second coupling unit is fastenedly connected respectively the arranged on left and right sides inwall in described the second rectangular cavities; The side of described the second rectangular cavities is provided with one second opening; Described feed probes flatly is inserted in described the second rectangular cavities by described the second opening; Described feed probes is located at the below of described first, second coupling unit, and this feed probes and the parallel corresponding setting of described first, second coupling unit.
2. the electrodeless Metal halogen lamp of rectangle microwave plasma of a kind of miniaturization as claimed in claim 1 is characterized in that: described first, second coupling unit both respectively the distance between two inwalls relative with described the first rectangular cavities be D
1, 1mm≤D
1≤ 10mm; Distance between described the first coupling unit and the second coupling unit is D
2, 1mm≤D
2≤ 10mm.
3. the electrodeless Metal halogen lamp of rectangle microwave plasma of a kind of miniaturization as claimed in claim 1 is characterized in that: described first, second coupling unit all can be outer surface and all is covered with the exotic material of silver or the conductor of high temperature resistant high conductivity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320241656 CN203277323U (en) | 2013-05-07 | 2013-05-07 | Miniaturized rectangular microwave plasma electrodeless metal halide lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320241656 CN203277323U (en) | 2013-05-07 | 2013-05-07 | Miniaturized rectangular microwave plasma electrodeless metal halide lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203277323U true CN203277323U (en) | 2013-11-06 |
Family
ID=49507678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320241656 Expired - Fee Related CN203277323U (en) | 2013-05-07 | 2013-05-07 | Miniaturized rectangular microwave plasma electrodeless metal halide lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203277323U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104241082A (en) * | 2014-09-18 | 2014-12-24 | 单家芳 | Microwave coaxial cavity plasma lamp |
-
2013
- 2013-05-07 CN CN 201320241656 patent/CN203277323U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104241082A (en) * | 2014-09-18 | 2014-12-24 | 单家芳 | Microwave coaxial cavity plasma lamp |
| CN104241082B (en) * | 2014-09-18 | 2016-08-24 | 单家芳 | Microwave cylindrical coaxial cavity resonator plasma lamp |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20180507 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |