CN203176742U - Authenticating and perspective system by using electronic gun for exciting ultraviolet fluorescence light source - Google Patents
Authenticating and perspective system by using electronic gun for exciting ultraviolet fluorescence light source Download PDFInfo
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- CN203176742U CN203176742U CN 201220712441 CN201220712441U CN203176742U CN 203176742 U CN203176742 U CN 203176742U CN 201220712441 CN201220712441 CN 201220712441 CN 201220712441 U CN201220712441 U CN 201220712441U CN 203176742 U CN203176742 U CN 203176742U
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- ultraviolet
- light source
- electron gun
- ultraluminescence
- evaluation
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- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The utility model relates to a photochemical reaction system, in particular to an ultraviolet light chemical excitation system. An authenticating and perspective system by using an electronic gun for exciting an ultraviolet fluorescence light source comprises an authenticating and perspective system outer shell, an ultraviolet light source, a display device and an image sensing system, wherein the ultraviolet light source, the display device and the image sensing system are arranged inside the authenticating and perspective system outer shell. The ultraviolet light source is an electronic beam fluorescence excitation ultraviolet light source. The electronic beam fluorescence excitation ultraviolet light source comprises the electronic gun and further comprises a fluorescent screen, wherein the electronic gun is used for generating electronic beams, and the fluorescent screen is provided with a light-pervious fluorescent screen panel. A layer of ultraviolet fluorescent powder used for emitting ultraviolet rays coats the fluorescent screen panel to form an ultraviolet fluorescent powder layer. The electronic gun faces the fluorescent screen panel. According to the authenticating and perspective system by using the electronic gun for exciting the ultraviolet fluorescence light source, numbers of watts of irradiation power can be offered, the pulse widths of spectral lines are ensured by the characteristics of fluorescent powder, service life can reach more than 10000 hours, production cost is low, and meanwhile no mercury appears.
Description
Technical field
The utility model relates to the photochemical reaction system, is specifically related to ultraviolet light chemistry activating system.
Background technology
Ultraviolet wavelength is shorter than visible light, but the electromagnetic radiation longer than X ray.Ultraviolet light range of wavelength in electromagnetic spectrum is 10-400 nm.Start from the shortwave limit of visible light in this scope, and with the wavelength overlaid of long wave X ray.Ultraviolet light is divided into A ray, B ray and C ray (being called for short UVA, UVB and UVC), and wave-length coverage is respectively 400-315nm, 315-280nm, 280-190nm.
Because ultraviolet ray has more penetration capacity than general visible light, so the work that scientist also often has an X-rayed or identifies with ultraviolet ray (just look like carry out health examination with X-ray the same).For example utilize ultraviolet ray to check the true and false, the food security of crack trickle on the metal, picture, when exploring space, ultraviolet ray can use even.
The common ultraviolet light source overwhelming majority is mercury lamp.Electrode temperature reached 2000 degree when the ultrahigh pressure mercury lamp of high-output power was worked, so the life-span often is shorter than 100 hours.
The another kind of mercury lamp alternative source of light of extensively being had an optimistic view of is UV-LED, its no mercury, and energy-conservation, portable characteristics are subjected to people and more and more pay close attention to.But have that power is low, the life-span still very short problem be difficult to overcome.
The utility model content
The purpose of this utility model is, provides evaluation and the fluoroscopy system of using electron gun to excite the Ultraluminescence light source, to solve the problems of the technologies described above.
The technical problem that the utility model solves can realize by the following technical solutions:
Use electron gun to excite the evaluation of Ultraluminescence light source and fluoroscopy system to comprise evaluation and fluoroscopy system shell, and be arranged on a ultraviolet source, a display device and an image sensing in evaluation and the fluoroscopy system shell, it is characterized in that:
Described ultraviolet source adopts an electron-beam excitation fluorescence ultraviolet source, described electron-beam excitation fluorescence ultraviolet source, comprise an electron gun for generation of electron beam, also comprise fluorescent screen, described fluorescent screen is provided with the face of a printing opacity, scribble one deck on the described face and be used for sending ultraviolet ultraviolet fluorescence powder, form the Ultraluminescence bisque, described electron gun is towards described face.
Electron gun can produce electron beam, and the irradiation ultraviolet fluorescence powder, and ultraviolet fluorescence powder is excited to send ultraviolet ray.
Being provided with one between described Ultraluminescence bisque and the described electron gun is used for described Ultraluminescence bisque is penetrated the reflector layer that next light reflects back.Reflector layer reflects the light at described Ultraluminescence bisque directive rear forward, has improved ultraviolet irradiation intensity.Described reflector layer is an aluminium lamination preferably.
Electron gun can be one for generation of the short pulse electron gun of short pulse electron beam or for generation of the DC electronic rifle of DC electronic bundle, short pulse electron gun or DC electronic rifle excite described ultraviolet fluorescence powder in the mode of short pulse or direct current respectively.
Described electron gun also comprises a parallel beam expand device, electron beam after parallel beam expand device expands, according to described face, the even incident ultraviolet fluorescence powder of electron beam like this is evenly to excite ultraviolet fluorescence powder.
Described Ultraluminescence bisque below is provided with a nesa coating, and described nesa coating connects an electrode.The electron beam that electron beam generator produces forms the loop by electrode.
Described Ultraluminescence bisque can be the Ultraluminescence bisque of being excited to send long wave ultraviolet.It is the Ultraluminescence bisque of being painted by long wave ultraviolet fluorescent material.
Describedly identify that with the fluoroscopy system shell be a human body ultraviolet fluoroscopy system shell, described ultraviolet source is arranged in the described human body ultraviolet fluoroscopy system shell, as ultraviolet source.
Describedly identify that with the fluoroscopy system shell be a crack detection system shell, described ultraviolet source is arranged in the described crack detection system shell, as ultraviolet source.Crack detection system can be metal fracture detection system, perhaps the internal fissure detection system of other article.
Describedly identify that with the fluoroscopy system shell be a picture true and false detection system shell, described ultraviolet source is arranged in the described picture true and false detection system shell, as ultraviolet source.
Describedly identify that with the fluoroscopy system shell be a food inspection system shell, described ultraviolet source is arranged in the described food inspection system shell, as ultraviolet source.
Beneficial effect: the utility model is at the irradiation power that can provide several watts, and the spectral line pulsewidth guarantees that by the fluorescent material characteristic can reach more than 10000 hours service life, and production cost is low, does not have mercury simultaneously and occurs.
Description of drawings
Fig. 1 is the part-structure schematic diagram of ultraviolet irradiation light source of the present utility model.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose with effect is easy to understand, below in conjunction with the further elaboration the utility model of concrete diagram.
Use electron gun to excite the evaluation of Ultraluminescence light source and fluoroscopy system to comprise evaluation and fluoroscopy system shell, and be arranged on a ultraviolet source, a display device and an image sensing in evaluation and the fluoroscopy system shell.Ultraviolet source adopts an electron-beam excitation fluorescence ultraviolet source, electron-beam excitation fluorescence ultraviolet source, comprise an electron gun for generation of electron beam, also comprise fluorescent screen, fluorescent screen is provided with the face of a printing opacity, scribble one deck on the face and be used for sending ultraviolet ultraviolet fluorescence powder, form the Ultraluminescence bisque, electron gun is towards face.
With reference to Fig. 1, ultraviolet source comprises an electron gun 3, a reflector layer 1.Also comprise fluorescent screen, fluorescent screen is provided with the face 2 of a printing opacity.
Electron gun 3 is for generation of electron beam.Electron gun 3 can be one for generation of the short pulse electron gun of short pulse electron beam or for generation of the DC electronic rifle of DC electronic bundle, short pulse electron gun or DC electronic rifle excite ultraviolet fluorescence powder in the mode of short pulse or direct current respectively.
Scribble one deck ultraviolet fluorescence powder on the face 2, form the Ultraluminescence bisque.Ultraviolet fluorescence powder can be to be excited to send the long wave ultraviolet ultraviolet fluorescence powder.Particular type can be selected as required.Face 2 can be a glass screen, and a side of vial scribbles ultraviolet fluorescence powder.As a kind of preferred version, the outside of glass screen scribbles ultraviolet fluorescence powder, and the inboard of glass screen is electroplate with aluminium lamination.
Electron gun 3 is towards face 2, and the electron beam that electron gun 3 sends sees through reflector layer 1 and shines to face 2 the ultraviolet fluorescence powder stimulated emission ultraviolet light of face 2.The ultraviolet light part that ultraviolet fluorescence powder sends penetrates forward, a part of directive rear, and the ultraviolet ray at directive rear is reflected by reflector layer 1, directive the place ahead.Ultraluminescence bisque below is provided with a nesa coating, and nesa coating connects an electrode.The electron beam that electron beam generator produces forms the loop by electrode.
Of course, identify that with the fluoroscopy system shell be a human body ultraviolet fluoroscopy system shell, ultraviolet source is arranged in the human body ultraviolet fluoroscopy system shell, as ultraviolet source.
Of course, identify that with the fluoroscopy system shell be a crack detection system shell, ultraviolet source is arranged in the crack detection system shell, as ultraviolet source.Crack detection system can be metal fracture detection system, perhaps the internal fissure detection system of other article.
Of course, identify that with the fluoroscopy system shell be a picture true and false detection system shell, ultraviolet source is arranged in the picture true and false detection system shell, as ultraviolet source.
Of course, identify that with the fluoroscopy system shell be a food inspection system shell, ultraviolet source is arranged in the food inspection system shell, as ultraviolet source.
The utility model is at the irradiation power that can provide several watts, and the spectral line pulsewidth guarantees that by the fluorescent material characteristic can reach more than 10000 hours service life, and production cost is low, does not have mercury simultaneously and occurs.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (6)
1. use electron gun to excite the evaluation of Ultraluminescence light source and fluoroscopy system to comprise evaluation and fluoroscopy system shell, and be arranged on a ultraviolet source, a display device and an image sensing in evaluation and the fluoroscopy system shell, it is characterized in that:
Described ultraviolet source adopts an electron-beam excitation fluorescence ultraviolet source, described electron-beam excitation fluorescence ultraviolet source, comprise an electron gun for generation of electron beam, also comprise fluorescent screen, described fluorescent screen is provided with the face of a printing opacity, scribble one deck on the described face and be used for sending ultraviolet ultraviolet fluorescence powder, form the Ultraluminescence bisque, described electron gun is towards described face.
2. use electron gun according to claim 1 excites evaluation and the fluoroscopy system of Ultraluminescence light source, it is characterized in that: be provided with one between described Ultraluminescence bisque and the described electron gun and be used for described Ultraluminescence bisque is penetrated the reflector layer that next light reflects back.
3. use electron gun according to claim 1 excites evaluation and the fluoroscopy system of Ultraluminescence light source, it is characterized in that: described electron gun is a short pulse electron gun for generation of the short pulse electron beam.
4. use electron gun according to claim 1 excites evaluation and the fluoroscopy system of Ultraluminescence light source, it is characterized in that: described electron gun is a DC electronic rifle for generation of the DC electronic bundle.
5. use electron gun according to claim 1 excites evaluation and the fluoroscopy system of Ultraluminescence light source, it is characterized in that: described Ultraluminescence bisque below is provided with a nesa coating, and described nesa coating connects an electrode.
6. excite evaluation and the fluoroscopy system of Ultraluminescence light source according to claim 1,2,3,4 or 5 described use electron guns, it is characterized in that: described Ultraluminescence bisque is the Ultraluminescence bisque of being excited to send long wave ultraviolet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220712441 CN203176742U (en) | 2012-12-20 | 2012-12-20 | Authenticating and perspective system by using electronic gun for exciting ultraviolet fluorescence light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220712441 CN203176742U (en) | 2012-12-20 | 2012-12-20 | Authenticating and perspective system by using electronic gun for exciting ultraviolet fluorescence light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203176742U true CN203176742U (en) | 2013-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220712441 Expired - Fee Related CN203176742U (en) | 2012-12-20 | 2012-12-20 | Authenticating and perspective system by using electronic gun for exciting ultraviolet fluorescence light source |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568858A (en) * | 2013-10-12 | 2015-04-29 | 丹阳恒安化学科技研究所有限公司 | Fluorescence detector |
-
2012
- 2012-12-20 CN CN 201220712441 patent/CN203176742U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568858A (en) * | 2013-10-12 | 2015-04-29 | 丹阳恒安化学科技研究所有限公司 | Fluorescence detector |
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Legal Events
| 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: 20130904 Termination date: 20151220 |
|
| EXPY | Termination of patent right or utility model |