CN109011180A - A kind of dielectric barrier discharge light source of uniformly light-emitting - Google Patents
A kind of dielectric barrier discharge light source of uniformly light-emitting Download PDFInfo
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- CN109011180A CN109011180A CN201810974719.3A CN201810974719A CN109011180A CN 109011180 A CN109011180 A CN 109011180A CN 201810974719 A CN201810974719 A CN 201810974719A CN 109011180 A CN109011180 A CN 109011180A
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- face
- electrode
- seal chamber
- dielectric barrier
- barrier discharge
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- 230000004888 barrier function Effects 0.000 title claims abstract description 22
- 239000008188 pellet Substances 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 18
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 7
- 229910052724 xenon Inorganic materials 0.000 description 6
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 5
- 229910052801 chlorine Inorganic materials 0.000 description 5
- 239000000460 chlorine Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical group 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000003760 hair shine Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 201000004681 Psoriasis Diseases 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 150000002366 halogen compounds Chemical class 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000001126 phototherapy Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- HGCGQDMQKGRJNO-UHFFFAOYSA-N xenon monochloride Chemical compound [Xe]Cl HGCGQDMQKGRJNO-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
- A61N5/0613—Apparatus adapted for a specific treatment
- A61N5/0616—Skin treatment other than tanning
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
- A61N2005/0658—Radiation therapy using light characterised by the wavelength of light used
- A61N2005/0661—Radiation therapy using light characterised by the wavelength of light used ultraviolet
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
- A61N2005/0664—Details
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- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Biophysics (AREA)
- Radiology & Medical Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
The present invention provides the present invention and provides a kind of dielectric barrier discharge light source of uniformly light-emitting, including high-field electrode, grounding electrode and column seal chamber, column seal chamber includes first end face and second end face, the high-field electrode is laid in the first end face, the grounding electrode is laid in the second end face, the vertical range of any point to the second end face is identical in the first end face, working gas is filled in the column seal chamber, when applying supply voltage on the high-field electrode and grounding electrode, working gas in the column seal chamber, which is stimulated, to be generated light and exports in the second end face.Above-mentioned dielectric barrier discharge light source connects high voltage power supply with grounding electrode to excite the working gas in column seal chamber to shine by high-field electrode, since gas capacity is suitable in column seal chamber, and the distance between end face is roughly equal where high-field electrode and grounding electrode, therefore light uniformly exports, and the existing non-uniform situation of quasi-molecule light output light intensity is not present.
Description
Technical field
The present invention relates to medical light sources technical fields, more particularly to a kind of dielectric barrier discharge light source of uniformly light-emitting.
Background technique
Ultraviolet phototherapy has a wide range of applications in dermatology, especially psoriasis, the treatment of the diseases such as leucoderma.Current
There are some defects by quasi-molecule light 308nm, such as treat area is small, and output intensity is uneven on treatment face, and luminous efficiency is low etc.
Situation.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of dielectric impedances of uniformly light-emitting
Charging source, for solving the problems, such as existing excimer light source luminance nonuniformity.
The present invention provides a kind of dielectric barrier discharge light source of uniformly light-emitting, including high-field electrode, grounding electrode and column
Seal chamber, column seal chamber include first end face and second end face, and the high-field electrode is laid in the first end face, described
Grounding electrode is laid in the second end face, vertical range phase of any point to the second end face in the first end face
Together, working gas is filled in the column seal chamber, when applying supply voltage on the high-field electrode and grounding electrode,
Working gas in the column seal chamber, which is stimulated, to be generated light and exports in the second end face.
Above-mentioned dielectric barrier discharge light source connects high voltage power supply with grounding electrode to excite column to seal by high-field electrode
Intracavitary working gas shines, since gas capacity is suitable in column seal chamber, and end face where high-field electrode and grounding electrode
The distance between it is roughly equal, therefore light uniformly exports, and the existing non-uniform situation of quasi-molecule light output light intensity is not present.
In some embodiments, the shape of the column seal chamber is cylindrical body, and the first end face and second end face are
Two transverse planes of the cylindrical body.
In some embodiments, the shape of the column seal chamber is cuboid, and the first end face and second end face are
Two non-phase planes of the cuboid.
In some embodiments, grounding electrode occupied area in the second end face of the column seal chamber is less than institute
State the 20% of second end face area.
In some embodiments, the working gas is XeCl gas.
In some embodiments, the high-field electrode is following any electrode structure: wire electrode, pellet electrode or netted
Electrode.
In some embodiments, the grounding electrode is following any electrode structure: wire electrode, pellet electrode or netted
Electrode.In some embodiments, the pellet electrode is metal coating.
In some embodiments, it is additionally provided in the first end face of the column seal chamber and reflection plated film is carried out to light.
In some embodiments, it is additionally provided in the second end face of the column seal chamber and the wavelength of output light is selected
Property output plated film.
In some embodiments, the wavelength of the dielectric barrier discharge light source is 308nm.
Detailed description of the invention
Fig. 1 is shown as a kind of schematic illustration of the dielectric barrier discharge light source of uniformly light-emitting of the present invention.
Fig. 2-1 is shown as Spot electrodes structural representation of the mesohigh electrode of the present invention in the first end face of column seal chamber
Figure.
Fig. 2-2 is shown as pellet electrode structural representation of the mesohigh electrode of the present invention in the first end face of column seal chamber
Figure.
Fig. 2-3 is shown as mesh electrode structural representation of the mesohigh electrode of the present invention in the first end face of column seal chamber
Figure.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate specification to be taken off
The content shown is not intended to limit the invention enforceable qualifications so that those skilled in the art understands and reads, therefore
Do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the present invention
Under the effect of can be generated and the purpose that can reach, it should all still fall in disclosed technology contents and obtain the model that can cover
In enclosing.Meanwhile cited such as "upper" in this specification, "lower", "left", "right", " centre " and " one " term, be also only
Convenient for being illustrated for narration, rather than to limit the scope of the invention, relativeness is altered or modified, in no essence
It changes under technology contents, when being also considered as the enforceable scope of the present invention.
See Fig. 1, present embodiments provide a kind of schematic illustration of the dielectric barrier discharge light source of uniformly light-emitting, as schemed institute
Show, the dielectric barrier discharge light source of uniformly light-emitting includes high-field electrode 100, grounding electrode 200 and column seal chamber 300, column
Seal chamber 300 includes first end face 310 and second end face 320, and the high-field electrode 100 is laid in the first end face 310,
The grounding electrode 200 is laid in the second end face 320, and any point is to the second end face in the first end face 310
320 vertical range is identical, and working gas 400 is filled in the column seal chamber, when in the high-field electrode 100 and ground connection
When applying supply voltage on electrode 200, the working gas 400 in the column seal chamber 300, which is stimulated, generates light and described
It is exported in second end face 320.
Above-mentioned dielectric barrier discharge light source connects high voltage power supply with grounding electrode to excite column to seal by high-field electrode
Intracavitary working gas shines, since gas capacity is suitable in column seal chamber, and end face where high-field electrode and grounding electrode
The distance between it is roughly equal, therefore light uniformly exports, and the existing non-uniform situation of quasi-molecule light output light intensity is not present.
In specific implementation, any gas that shown working gas can be excited, for example, can come for XeCl gas
Obtain the light of 308nm wavelength.Its principle are as follows: chlorine is halogen, xenon be inert gas, under normal circumstances chlorine and xenon be will not
It reacts, the compound of chlorine and xenon is also not present in nature, but chlorine can receive under high pressure and forceful electric power field action
One electronics of xenon forms chlorination xenon molecule, and the time of the unstable maintenance of chlorination xenon is very short, can be dissociated quickly as chlorine and xenon,
This unstable molecule is known as quasi-molecule, and the light for being stimulated by unstable xenon chloride excimer and being generated is wavelength
The ultraviolet of 308mn.Certainly, which can also be the group of a kind of halogen family elementary gas or a variety of halogen family elementary gas
It closes, or even can also be halogen compound gas, the application is not intended to limit the concrete type of working gas, can be according to specific
Demand voluntarily selects.
In one embodiment, the shape of the column seal chamber is cylindrical body, and the first end face and second end face are institute
State two transverse planes of cylindrical body.
In one embodiment, the shape of the column seal chamber is cuboid, and the first end face and second end face are institute
State two non-phase planes of cuboid.
In one embodiment, grounding electrode occupied area in the second end face of the column seal chamber is less than described
The 20% of second end face area.Due to the output end that grounding electrode side is light, when carrying out grounding electrode setting, the ground connection
Electrode occupied area in the second end face of the column seal chamber is less than the 20% of the second end face area, more preferably, institute
It states grounding electrode occupied area in the second end face of the column seal chamber and is less than the 10% of the second end face area.To
It can guarantee the delivery efficiency and light intensity of light.
In one embodiment, such as Fig. 2-1 to 2-3, by taking column seal chamber 300 is cuboid as an example for, the high-voltage electricity
Extremely following any electrode structure: wire electrode (such as Fig. 2-1), pellet electrode (such as Fig. 2-2) or mesh electrode (such as Fig. 2-3).
Similarly, the grounding electrode is also possible to following any electrode structure: wire electrode, pellet electrode or netted electricity
Pole.
Based on above-mentioned design, in order to realize the output of bigger optical power, high-field electrode is to select pellet electrode, while rising anti-
Light action and electrode effect.For example, the sheet electricity can be realized in the first end face by the way of metal coating
Pole.
In one embodiment, due to the quasi-molecule light of generation, directionality is not unique, has towards all directions, for reality
The now output of bigger optical power, it is also necessary to optional equipment reflector or the coating film on glass reflection for realizing identical function.For example, can
The plated film reflected light to be arranged in the first end face of the column seal chamber.
In one embodiment, since the peak wavelength of quasi-molecule light is more concentrated, but still there are wider wavelength models
It encloses.For example, in XeCL quasi-molecule light, peak wavelength 308nm, but still there are 290nm, 295nm, 320nm, 325nm
Etc wavelength, these wavelength not only can not produce curative effect, also have certain Operative risk, screen such wave band, have
Higher safety and curative effect.So coating film treatment can be carried out in the glass tube walls of output end, to required wavelength into
Row selectivity output, such as exports the wavelength selectivity of 300nm-320nm.For example, can be the second of the column seal chamber
The plated film selectively exported to the wavelength of output light is additionally provided on end face.
It should be noted that, although the present invention is to propose to change existing quasi-molecule light deficiency in the application is starting point
Into scheme, but light caused by the present invention is not necessarily limited to quasi-molecule light and the wavelength of light is also not limited to 308nm's
Ultraviolet light, those skilled in the art can carry out sets itself according to working gas.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (10)
1. a kind of dielectric barrier discharge light source of uniformly light-emitting characterized by comprising
High-field electrode；
Grounding electrode；
Column seal chamber, including first end face and second end face, the high-field electrode is laid in the first end face, described to connect
Ground electrode is laid in the second end face, and the vertical range of any point to the second end face is identical in the first end face,
Working gas is filled in the column seal chamber, when applying supply voltage on the high-field electrode and grounding electrode, institute
It states the working gas in column seal chamber and is stimulated and generate light and exported in the second end face.
2. the dielectric barrier discharge light source of uniformly light-emitting according to claim 1, it is characterised in that: the column seal chamber
Shape be cylindrical body, the first end face and second end face are two transverse planes of the cylindrical body.
3. the dielectric barrier discharge light source of uniformly light-emitting according to claim 1, it is characterised in that: the column seal chamber
Shape be cuboid, the first end face and second end face are two non-phase planes of the cuboid.
4. the dielectric barrier discharge light source of uniformly light-emitting according to claim 1, it is characterised in that: the grounding electrode exists
Occupied area is less than the 20% of the second end face area in the second end face of the column seal chamber.
5. the dielectric barrier discharge light source of uniformly light-emitting according to claim 1, it is characterised in that: the working gas is
XeCl gas.
6. the dielectric barrier discharge light source of uniformly light-emitting according to claim 1, it is characterised in that: the high-field electrode is
Any electrode structure below: wire electrode, pellet electrode or mesh electrode.
7. the dielectric barrier discharge light source of uniformly light-emitting according to claim 1, it is characterised in that: the grounding electrode is
Any electrode structure below: wire electrode, pellet electrode or mesh electrode.
8. the dielectric barrier discharge light source of uniformly light-emitting according to claim 6 or 7, it is characterised in that: the sheet electricity
Extremely metal coating.
9. the dielectric barrier discharge light source of uniformly light-emitting according to claim 1, it is characterised in that: the column seal chamber
First end face on be additionally provided with reflection plated film carried out to light.
10. the dielectric barrier discharge light source of uniformly light-emitting according to claim 1, it is characterised in that: the column sealing
The plated film selectively exported to the wavelength of output light is additionally provided in the second end face of chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810974719.3A CN109011180B (en) | 2018-08-24 | 2018-08-24 | Dielectric barrier discharge light source capable of uniformly emitting light |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810974719.3A CN109011180B (en) | 2018-08-24 | 2018-08-24 | Dielectric barrier discharge light source capable of uniformly emitting light |
Publications (2)
| Publication Number | Publication Date |
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| CN109011180A true CN109011180A (en) | 2018-12-18 |
| CN109011180B CN109011180B (en) | 2024-06-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110797254A (en) * | 2019-10-30 | 2020-02-14 | 深圳市嘉光科技有限公司 | Rectangular excimer lamp emitting uniform parallel light on single surface |
| CN110797253A (en) * | 2019-10-30 | 2020-02-14 | 深圳市嘉光科技有限公司 | Rectangular excimer lamp capable of emitting uniform parallel light from two sides |
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| CN110797253A (en) * | 2019-10-30 | 2020-02-14 | 深圳市嘉光科技有限公司 | Rectangular excimer lamp capable of emitting uniform parallel light from two sides |
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| Publication number | Publication date |
|---|---|
| CN109011180B (en) | 2024-06-14 |
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