CN203169652U - Sterilization system adopting electron-beam excitation fluorescent ultraviolet light source - Google Patents
Sterilization system adopting electron-beam excitation fluorescent ultraviolet light source Download PDFInfo
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- CN203169652U CN203169652U CN 201220712312 CN201220712312U CN203169652U CN 203169652 U CN203169652 U CN 203169652U CN 201220712312 CN201220712312 CN 201220712312 CN 201220712312 U CN201220712312 U CN 201220712312U CN 203169652 U CN203169652 U CN 203169652U
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- ultraviolet
- electron
- ultraviolet source
- disinfection system
- beam excitation
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Abstract
The utility model relates to sterilization systems, in particular to an ultraviolet sterilization system. A sterilization system adopting an electron-beam excitation fluorescent ultraviolet light source comprises a sterilization system housing, wherein an ultraviolet light source and a sterilization cavity are arranged in the sterilization system housing; a light outlet of the ultraviolet light source is positioned in the sterilization cavity; the ultraviolet light source adopts an electron-beam excitation fluorescent ultraviolet light source; the electron-beam excitation fluorescent ultraviolet light source comprises an electron gun for generating electron beams, and further comprises a fluorescent screen; a light-transmitting fluorescent screen surface is arranged on the fluorescent screen, and is coated with a layer of ultraviolet fluorescent powder used for emitting ultraviolet rays, so that an ultraviolet fluorescent powder layer is formed; and the electron gun faces the fluorescent screen surface. The electron gun can generate electron beams, and irradiates the ultraviolet fluorescent powder; and the ultraviolet fluorescent powder is subjected to excitation to emit ultraviolet rays. Multiple Watts of irradiation power can be provided; the pulse width of a spectral line is guaranteed by the property of the fluorescent powder; the service life can reach over 10,000 hours; the manufacturing cost is low; and meanwhile, no mercury is generated.
Description
Technical field
This utility model relates to disinfection system, is specifically related to the ultraviolet-sterilization 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.
Have bactericidal effect, can play the sterilizing effect.The application of ultraviolet aspect sterilization now is comparatively universal, but still has deficiencies such as light intensity is weak, power consumption is high, fault rate is low.
Ultraviolet and can cooperate sterilization with photocatalyst.By ultraviolet ray excited photocatalyst activity, can play good sterilization, disinfective action.But still there are deficiencies such as light intensity is weak, power consumption is high, fault rate is low in applied ultraviolet source.
The common ultraviolet light source overwhelming majority is mercury lamp, all is by electrode discharge excitation or high frequency pumping mercury atom, when mercury atom is got back to ground state from excited state, produces 185nm, the ultraviolet of 253nm or 365nm.The spectral line of mercury lamp is the ultraviolet region continuous spectrum, and the common fault of all mercury lamps is that application efficiency is very low.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.Even the high voltage mercury lamp of common lower-wattage, the life-span also is difficult to above 2000 hours.From environmental point of view, the operation material of all mercury lamps all is mercury vapour, and severe toxicity is arranged.
The another kind of mercury lamp alternative source of light of extensively being had an optimistic view of is UV-LED, its no hydrargyrum, and energy-conservation, portable characteristics are subjected to people and more and more pay close attention to.Ultraviolet LED is fine the work of UVA wave band, but has many problems at UVB and UVC, UVC wave band particularly, and output is only at several mW, and the life-span is also very short.The research staff of various countries LED wants to capture this difficult problem, but does not see good achievement at present.
The utility model content
The purpose of this utility model is, provides the disinfection system that adopts electron-beam excitation fluorescence ultraviolet source, to solve the problems of the technologies described above.
The technical problem that this utility model solves can realize by the following technical solutions:
Adopt the disinfection system of electron-beam excitation fluorescence ultraviolet source, comprise a disinfection system shell, be provided with in the described disinfection system shell, a ultraviolet source, a sterilization cavity, the light-emitting window of described ultraviolet source is positioned at described sterilization cavity, 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.
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 luminous reflectance goes back.Reflector layer has improved ultraviolet irradiation intensity with the luminous reflectance at described Ultraluminescence bisque directive rear forward.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 can be the Ultraluminescence bisque of being excited to send short wave ultraviolet.It is the Ultraluminescence bisque of being painted by short wave ultraviolet fluorescent material.
Described disinfection system shell is a ultraviolet water correction plant shell, and described ultraviolet source is arranged in the described ultraviolet water correction plant shell, as ultraviolet source.
Described disinfection system shell is a ultraviolet air disinfection device housings, and described ultraviolet source is arranged in the described ultraviolet air disinfection device housings, as ultraviolet source.
Described disinfection system shell is the medical disinfection equipment shell of a ultraviolet, and described ultraviolet source is arranged in the medical disinfection equipment shell of described ultraviolet, as ultraviolet source.
Beneficial effect: this 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 hydrargyrum simultaneously and occurs.
Description of drawings
Fig. 1 is the part-structure sketch map of ultraviolet irradiation light source of the present utility model.
The specific embodiment
For technological means, creation characteristic that this utility model is realized, reach purpose with effect is easy to understand, below in conjunction with the further elaboration this utility model of concrete diagram.
Adopt the disinfection system of electron-beam excitation fluorescence ultraviolet source, comprise a disinfection system shell, be provided with in the disinfection system shell, one ultraviolet source, a sterilization cavity, the light-emitting window of ultraviolet source is positioned at the sterilization cavity, 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, scribbles one deck on the face and is used for sending ultraviolet ultraviolet fluorescence powder, form the Ultraluminescence bisque, electron gun is towards face.
With reference to Fig. 1, adopt the disinfection system of electron-beam excitation fluorescence ultraviolet source, comprise 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 short 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 at directive rear is reflected by reflector layer 1, directive the place ahead.
Of course, the disinfection system shell is a ultraviolet water correction plant shell, and ultraviolet source is arranged in the ultraviolet water correction plant shell, as ultraviolet source.
Of course, the disinfection system shell is a ultraviolet air disinfection device housings, and ultraviolet source is arranged in the ultraviolet air disinfection device housings, as ultraviolet source.
Of course, the disinfection system shell is the medical disinfection equipment shell of a ultraviolet, and ultraviolet source is arranged in the medical disinfection equipment shell of ultraviolet, as ultraviolet source.
This 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 hydrargyrum simultaneously and occurs.
More than show and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; this utility model is not restricted to the described embodiments; that describes in above-described embodiment and the description just illustrates principle of the present utility model; under the prerequisite that does not break away from this utility model spirit and scope; this utility model also has various changes and modifications, and these changes and improvements all fall in claimed this utility model scope.The claimed scope of this utility model is defined by appending claims and equivalent thereof.
Claims (9)
1. adopt the disinfection system of electron-beam excitation fluorescence ultraviolet source, comprise a disinfection system shell, be provided with in the described disinfection system shell, a ultraviolet source, a sterilization cavity, the light-emitting window of described ultraviolet source is positioned at described sterilization cavity, 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. the disinfection system of employing electron-beam excitation fluorescence ultraviolet source according to claim 1 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 luminous reflectance goes back.
3. the disinfection system of employing electron-beam excitation fluorescence ultraviolet source according to claim 2, it is characterized in that: described electron gun is a short pulse electron gun for generation of the short pulse electron beam.
4. the disinfection system of employing electron-beam excitation fluorescence ultraviolet source according to claim 2, it is characterized in that: described electron gun is a DC electronic rifle for generation of the DC electronic bundle.
5. the disinfection system of employing electron-beam excitation fluorescence ultraviolet source according to claim 2, it is characterized in that: described electron gun also comprises a parallel beam expand device, electron beam after parallel beam expand device expands, according to described face.
6. the disinfection system of employing electron-beam excitation fluorescence ultraviolet source according to claim 2, it is characterized in that: described Ultraluminescence bisque is the Ultraluminescence bisque of being painted by short wave ultraviolet fluorescent material.
7. according to the disinfection system of any described employing electron-beam excitation fluorescence ultraviolet source in the claim 1 to 6, it is characterized in that: described disinfection system shell is a ultraviolet water correction plant shell, and described ultraviolet source is arranged in the described ultraviolet water correction plant shell.
8. according to the disinfection system of any described employing electron-beam excitation fluorescence ultraviolet source in the claim 1 to 6, it is characterized in that: described disinfection system shell is a ultraviolet air disinfection device housings, and described ultraviolet source is arranged in the described ultraviolet air disinfection device housings.
9. according to the disinfection system of any described employing electron-beam excitation fluorescence ultraviolet source in the claim 1 to 6, it is characterized in that: described disinfection system shell is the medical disinfection equipment shell of a ultraviolet, and described ultraviolet source is arranged in the medical disinfection equipment shell of described ultraviolet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220712312 CN203169652U (en) | 2012-12-20 | 2012-12-20 | Sterilization system adopting electron-beam excitation fluorescent ultraviolet light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220712312 CN203169652U (en) | 2012-12-20 | 2012-12-20 | Sterilization system adopting electron-beam excitation fluorescent ultraviolet light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203169652U true CN203169652U (en) | 2013-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220712312 Expired - Fee Related CN203169652U (en) | 2012-12-20 | 2012-12-20 | Sterilization system adopting electron-beam excitation fluorescent ultraviolet light source |
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| Country | Link |
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| CN (1) | CN203169652U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109310792A (en) * | 2016-06-09 | 2019-02-05 | 弗劳恩霍夫应用研究促进协会 | For impacting the method for liquid using electronics is accelerated |
| US10279064B2 (en) | 2014-11-18 | 2019-05-07 | Tetra Laval Holdings & Finance S.A. | Low voltage electron beam dosimeter device and method |
-
2012
- 2012-12-20 CN CN 201220712312 patent/CN203169652U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10279064B2 (en) | 2014-11-18 | 2019-05-07 | Tetra Laval Holdings & Finance S.A. | Low voltage electron beam dosimeter device and method |
| CN109310792A (en) * | 2016-06-09 | 2019-02-05 | 弗劳恩霍夫应用研究促进协会 | For impacting the method for liquid using electronics is accelerated |
| US10980903B2 (en) | 2016-06-09 | 2021-04-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method for irradiating a liquid with accelerated electrons |
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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: 20171220 |
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| CF01 | Termination of patent right due to non-payment of annual fee |