CN102895687B - Efficient deep ultraviolet ray sterilizing device - Google Patents
Efficient deep ultraviolet ray sterilizing device Download PDFInfo
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- CN102895687B CN102895687B CN201210417616.XA CN201210417616A CN102895687B CN 102895687 B CN102895687 B CN 102895687B CN 201210417616 A CN201210417616 A CN 201210417616A CN 102895687 B CN102895687 B CN 102895687B
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Abstract
The invention provides an efficient deep ultraviolet ray sterilizing device, which comprises an ultraviolet ray light source and a deep ultraviolet ray light source, wherein one end of the ultraviolet ray light source is connected with a power supply; the other end of the ultraviolet ray light source is grounded; the deep ultraviolet ray light source is connected in parallel with the ultraviolet ray light source, and is used for generating ultraviolet rays of 253.7 nanometers and 184.9 nanometers in wavelength; the ultraviolet ray light source is used for generating ultraviolet rays of more than or equal to 300 nanometers and smaller than or equal to 400 nanometers in wavelength; and the deep ultraviolet ray light source is a low-voltage mercury ultraviolet ray discharge tube made of high-purity quartz glass. Safety and high light efficiency can be ensured in an ultraviolet ray sterilizing process.
Description
Technical field
The present invention relates to a kind of Efficient deep ultraviolet ray sterilizing unit.
Background technology
Ultraviolet type comprises several as follows:
1) UVA wave band, wavelength 320 ~ 400nm, is also called long wave black speck effect ultraviolet;
2) UVB wave band, wavelength 275 ~ 320nm, is also called medium wave erythemal effect ultraviolet;
3) UVC wave band, wavelength 200 ~ 275nm, is also called shortwave sterilizing ultraviolet;
4) UVD wave band, wavelength 100 ~ 200nm, is also called vacuum ultraviolet.
The ultraviolet effect having it special of special wave band, wavelength is that the ultraviolet of 253.7nm carrys out kill bacteria by the DNA irradiating microorganism, wavelength is the DNA of the ultraviolet radiation destroy microorganisms of 253.7nm, make antibacterial dead or irreproducible offspring at once, when uitraviolet intensity reaches 30000 microwatts/square centimeter, ultraviolet just can kill the antibacterial of more than 99% in 1 second; Wavelength 184.9nm ultraviolet can by the O in air
2become O
3(ozone), ozone has strong oxidation, can kill bacteria and decomposing with the multiple gases of abnormal flavour or fluid molecule effectively.
As shown in Figure 1, existing deep UV sterilizing unit comprises the resistance (R1) and deep UV LED(DUV LED that have been connected on), one end of described resistance is connected with power supply, the other end of described resistance is connected with the anode of described deep UV LED, the minus earth of described deep UV LED.
But, ultraviolet direct projection is many-sided to people's injury, immunologic function degression can be caused, produce skin carcinoma, cataract etc., the most vulnerable is cornea, and eyes therefore will be avoided to look at straight, and the uitraviolet intensity beyond irradiated region must not be greater than 5 microwatts/square centimeter, in addition, ultraviolet equally also can make ageing of rubber, fabric fading.Human eye not easily discovers the ultraviolet that existing deep UV sterilizing unit produces, so this kind of deep UV is safe not in actual use.
Although wavelength is fine at the bactericidal effect of the deep UV (DUV) of about 250nm, but existing deep UV sterilizing unit is difficult to produce the deep UV of wavelength at about 250nm, and compared to visible LED, the light efficiency of this deep UV sterilizing unit is very low.
Summary of the invention
The object of the present invention is to provide a kind of Efficient deep ultraviolet ray sterilizing unit, safety and specular removal can be ensured in the process of ultraviolet sterilization.
For solving the problem, the invention provides a kind of Efficient deep ultraviolet ray sterilizing unit, comprising:
The ultraviolet light source that one end is connected with power supply, the other end ground connection of described ultraviolet light source;
The deep UV light source in parallel with described ultraviolet light source.
Further, in said system, described deep UV light source is the ultraviolet of 253.7nm for generation of wavelength.
Further, in said system, described deep UV light source is the ultraviolet of 184.9nm for generation of wavelength.
Further, in said system, described deep UV light source is the ultraviolet of 253.7nm and 184.9nm for generation of wavelength.
Further, in said system, described ultraviolet light source is more than or equal to 300nm for generation of wavelength and is less than or equal to the ultraviolet of 400nm.
Further, in said system, described ultraviolet light source is more than or equal to 300nm for generation of wavelength and is less than or equal to the ultraviolet of 365nm.
Further, in said system, described ultraviolet light source is ultraviolet LED, and the anode of described ultraviolet LED is connected with described power supply, the minus earth of described ultraviolet LED.
Further, in said system, described ultraviolet light source comprises LED drive circuit and ultraviolet LED, wherein, one end of described LED drive circuit is connected with described power supply, and the other end of described LED drive circuit is connected with the anode of described ultraviolet LED, the minus earth of described ultraviolet LED.
Further, in said system, described deep UV light source is high-purity quartz glass low-pressure mercury ultraviolet discharge pipe.
Compared with prior art, the ultraviolet light source that the present invention is connected with power supply by one end, the other end ground connection of described ultraviolet light source, the deep UV light source in parallel with described ultraviolet light source, can ensure safety and specular removal in the process of ultraviolet sterilization.
In addition, described deep UV light source is the ultraviolet of 253.7nm and/or 184.9nm for generation of wavelength, can reach good bactericidal effect.
In addition, described ultraviolet light source is more than or equal to 300nm for generation of wavelength and is less than or equal to the ultraviolet of 400nm, the light efficiency of described ultraviolet light source is compared to the ultraviolet LED high times of wavelength between 180nm-300nm, and possess certain kill bacteria effect equally, the more important thing is, the ultraviolet of human eye to this wave band is more responsive, once light, very easily discover, safer.
Accompanying drawing explanation
Fig. 1 is the structure chart of existing deep UV sterilizing unit;
Fig. 2 is the structure chart of the Efficient deep ultraviolet ray sterilizing unit of the embodiment of the present invention one;
Fig. 3 is the structure chart of the Efficient deep ultraviolet ray sterilizing unit of the embodiment of the present invention two.
Detailed description of the invention
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, and below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Embodiment one
As shown in Figure 2, the invention provides a kind of Efficient deep ultraviolet ray sterilizing unit, comprise ultraviolet light source 1 and deep UV light source 2.
The ultraviolet light source 1 that one end is connected with power supply, the other end ground connection of described ultraviolet light source 1;
The deep UV light source 2 in parallel with described ultraviolet light source 1.
Preferably, described deep UV light source 2 is the ultraviolet of 253.7nm for generation of wavelength.Wavelength 253.7nm ultraviolet carrys out kill bacteria by the DNA irradiating microorganism.
Preferably, described deep UV light source 2 is the ultraviolet of 184.9nm for generation of wavelength.Wavelength 184.9nm ultraviolet can by the O in air
2become O
3(ozone), ozone has strong oxidation, can kill bacteria effectively.
Preferably, described deep UV light source 2 is the ultraviolet of 253.7nm and 184.9nm for generation of wavelength.Wavelength is the ultraviolet of 253.7nm and 184.9nm and to be used alone effect with the ultraviolet of to be the ultraviolet of 253.7nm or wavelength than wavelength be 184.9nm much better.
Preferably, described ultraviolet light source 1 is more than or equal to 300nm for generation of wavelength and is less than or equal to the ultraviolet of 400nm.But, the ultraviolet of human eye to 253.7nm and 184.9nm two kinds of wavelength is all insensitive, not easily discover, and ultraviolet direct projection is many-sided to people's injury, immunologic function degression can be caused, produce skin carcinoma, cataract etc., the most vulnerable is cornea, therefore eyes will be avoided to look at straight, therefore, here the ultraviolet light source 1 of wavelength at 300-400nm is added, its light efficiency is compared with the ultraviolet LED high times of wavelength at 180nm-300nm, and possess certain kill bacteria effect equally, the more important thing is, the ultraviolet of human eye to this wave band is more responsive, once light, very easily discover, safer.
Preferably, described ultraviolet light source 1 is more than or equal to 300nm for generation of wavelength and is less than or equal to the ultraviolet of 365nm.
Preferably, described ultraviolet light source 1 is ultraviolet LED11, and the anode of described ultraviolet LED11 is connected with described power supply, the minus earth of described ultraviolet LED11.
Preferably, described deep UV light source 2 is high-purity quartz glass low-pressure mercury ultraviolet discharge pipe.It is the highest that high-purity quartz glass low-pressure mercury ultraviolet discharge pipe can inspire 253.7nm(germicidal efficiency) and 184.9nm(can produce ozone) ultraviolet of wavelength, just in time meet ultraviolet that wavelength is 253.7nm and 184.9nm and needs.
The antibacterial of opening Efficient deep ultraviolet ray sterilizing unit 30 seconds≤90% of the present embodiment can be killed rapidly, can be entered the result of use of lower this Efficient deep ultraviolet ray of raising sterilizing unit in addition by the energy adjusting ultraviolet light source 1 and deep UV light source 2 and the ultraviolet wavelength produced.
Embodiment two
As shown in Figure 3, the present invention also provides another kind of Efficient deep ultraviolet ray sterilizing unit, comprises ultraviolet light source 1 and deep UV light source 2.
The ultraviolet light source 1 that one end is connected with power supply, the other end ground connection of described ultraviolet light source 1;
The deep UV light source 2 in parallel with described ultraviolet light source 1.
Preferably, described deep UV light source 2 is the ultraviolet of 253.7nm for generation of wavelength.Wavelength 253.7nm ultraviolet carrys out kill bacteria by the DNA irradiating microorganism.
Preferably, described deep UV light source 2 is the ultraviolet of 184.9nm for generation of wavelength.Wavelength 184.9nm ultraviolet can by the O in air
2become O
3(ozone), ozone has strong oxidation, can kill bacteria effectively.
Preferably, described deep UV light source 2 is the ultraviolet of 253.7nm and 184.9nm for generation of wavelength.Wavelength is the ultraviolet of 253.7nm and 184.9nm and to be used alone effect with the ultraviolet of to be the ultraviolet of 253.7nm or wavelength than wavelength be 184.9nm much better.
Preferably, described ultraviolet light source 1 is more than or equal to 300nm for generation of wavelength and is less than or equal to the ultraviolet of 400nm.But, the ultraviolet of human eye to 253.7nm and 184.9nm two kinds of wavelength is all insensitive, not easily discover, and ultraviolet direct projection is many-sided to people's injury, immunologic function degression can be caused, produce skin carcinoma, cataract etc., the most vulnerable is cornea, therefore eyes will be avoided to look at straight, therefore, here the ultraviolet light source 1 of wavelength at 300-400nm is added, its light efficiency is compared with the ultraviolet LED high times of wavelength at 180nm-300nm, and possess certain kill bacteria effect equally, the more important thing is, the ultraviolet of human eye to this wave band is more responsive, once light, very easily discover, safer.
Preferably, described ultraviolet light source 1 is more than or equal to 300nm for generation of wavelength and is less than or equal to the ultraviolet of 365nm.
Preferably, described ultraviolet light source 1 comprises LED drive circuit 12 and ultraviolet LED11, and wherein, one end of described LED drive circuit 12 is connected with described power supply, the other end of described LED drive circuit 12 is connected with the anode of described ultraviolet LED11, the minus earth of described ultraviolet LED11.When the voltage of described power supply does not meet the running voltage of described ultraviolet LED11, LED drive circuit 12 can be adopted and resistance as reduction voltage circuit, in order to avoid overtension, make described ultraviolet LED11, avoid electric energy with the form consumption of heat energy.
Preferably, described deep UV light source 2 is high-purity quartz glass low-pressure mercury ultraviolet discharge pipe.It is the highest that high-purity quartz glass low-pressure mercury ultraviolet discharge pipe can inspire 253.7nm(germicidal efficiency) and 184.9nm(can produce ozone) ultraviolet of wavelength, just in time meet ultraviolet that wavelength is 253.7nm and 184.9nm and needs.
The antibacterial of opening Efficient deep ultraviolet ray sterilizing unit 30 seconds≤90% of the present embodiment can be killed rapidly, can be entered the result of use of lower this Efficient deep ultraviolet ray of raising sterilizing unit in addition by the energy adjusting ultraviolet light source 1 and deep UV light source 2 and the ultraviolet wavelength produced.
In sum, the ultraviolet light source that the present invention is connected with power supply by one end, the other end ground connection of described ultraviolet light source, the deep UV light source in parallel with described ultraviolet light source, can ensure safety and specular removal in the process of ultraviolet sterilization.
In addition, described deep UV light source is the ultraviolet of 253.7nm and/or 184.9nm for generation of wavelength, can reach good bactericidal effect.
In addition, described ultraviolet light source is more than or equal to 300nm for generation of wavelength and is less than or equal to the ultraviolet of 400nm, the light efficiency of described ultraviolet light source is compared to the ultraviolet LED high times of wavelength between 180nm-300nm, and possess certain kill bacteria effect equally, the more important thing is, the ultraviolet of human eye to this wave band is more responsive, once light, very easily discover, safer.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.For system disclosed in embodiment, owing to corresponding to the method disclosed in Example, so description is fairly simple, relevant part illustrates see method part.
Professional can also recognize further, in conjunction with unit and the algorithm steps of each example of embodiment disclosed herein description, can realize with electronic hardware, computer software or the combination of the two, in order to the interchangeability of hardware and software is clearly described, generally describe composition and the step of each example in the above description according to function.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can use distinct methods to realize described function to each specifically should being used for, but this realization should not thought and exceeds scope of the present invention.
Obviously, those skilled in the art can carry out various change and modification to invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (4)
1. an Efficient deep ultraviolet ray sterilizing unit, is characterized in that, comprising:
The ultraviolet light source that one end is connected with power supply, the other end ground connection of described ultraviolet light source;
The deep UV light source in parallel with described ultraviolet light source, wherein, described ultraviolet light source is more than or equal to 300nm for generation of wavelength and is less than or equal to the ultraviolet of 400nm, described deep UV light source is the ultraviolet of 253.7nm and 184.9nm for generation of wavelength, and described deep UV light source is high-purity quartz glass low-pressure mercury ultraviolet discharge pipe.
2. Efficient deep ultraviolet ray sterilizing unit as claimed in claim 1, it is characterized in that, described ultraviolet light source is more than or equal to 300nm for generation of wavelength and is less than or equal to the ultraviolet of 365nm.
3. Efficient deep ultraviolet ray sterilizing unit as claimed in claim 1, it is characterized in that, described ultraviolet light source is ultraviolet LED, and the anode of described ultraviolet LED is connected with described power supply, the minus earth of described ultraviolet LED.
4. Efficient deep ultraviolet ray sterilizing unit as claimed in claim 1, it is characterized in that, described ultraviolet light source comprises LED drive circuit and ultraviolet LED, wherein, one end of described LED drive circuit is connected with described power supply, the other end of described LED drive circuit is connected with the anode of described ultraviolet LED, the minus earth of described ultraviolet LED.
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| CN201210417616.XA CN102895687B (en) | 2012-10-26 | 2012-10-26 | Efficient deep ultraviolet ray sterilizing device |
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| CN201210417616.XA CN102895687B (en) | 2012-10-26 | 2012-10-26 | Efficient deep ultraviolet ray sterilizing device |
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| CN102895687A CN102895687A (en) | 2013-01-30 |
| CN102895687B true CN102895687B (en) | 2014-12-24 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104445762B (en) * | 2014-11-14 | 2016-08-31 | 四川卓众科技有限公司 | A kind of water sterilization purification method and device |
| US9937274B2 (en) * | 2015-03-18 | 2018-04-10 | GE Lighting Solutions, LLC | Light disinfection system and method |
| JP2017136145A (en) * | 2016-02-02 | 2017-08-10 | ウシオ電機株式会社 | Pasteurizer |
| CN107115538A (en) * | 2017-06-27 | 2017-09-01 | 苏州卡睿知光电科技有限公司 | A kind of Medical decontaminated apparatus |
| WO2019071596A1 (en) * | 2017-10-13 | 2019-04-18 | 深圳市海司恩科技有限公司 | Portable sterilization device |
| CN110269950A (en) * | 2018-03-13 | 2019-09-24 | 中国科学院半导体研究所 | Based on human bioequivalence deep ultraviolet LED sterilizing system |
| CN109295656A (en) * | 2018-08-01 | 2019-02-01 | 青岛海尔洗衣机有限公司 | Ultraviolet-sterilization control method and washing machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1297361A (en) * | 1998-04-17 | 2001-05-30 | 汤米·巴斯蒂德 | Apparatus and method for sterilising member |
| CN102281933A (en) * | 2008-12-19 | 2011-12-14 | 北卡罗来纳大学夏洛特分校 | Systems and methods for performing the bacterial disinfection of a fluid using point radiation sources |
| CN102380120A (en) * | 2011-10-31 | 2012-03-21 | 青岛杰生电气有限公司 | Sterilization device and storage cabinet with same |
| CN102657885A (en) * | 2012-04-18 | 2012-09-12 | 广东美的制冷设备有限公司 | Air flue sterilizing device for air conditioner and control method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000084061A (en) * | 1998-07-16 | 2000-03-28 | Toshiba Lighting & Technology Corp | Air cleaning device |
-
2012
- 2012-10-26 CN CN201210417616.XA patent/CN102895687B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1297361A (en) * | 1998-04-17 | 2001-05-30 | 汤米·巴斯蒂德 | Apparatus and method for sterilising member |
| CN102281933A (en) * | 2008-12-19 | 2011-12-14 | 北卡罗来纳大学夏洛特分校 | Systems and methods for performing the bacterial disinfection of a fluid using point radiation sources |
| CN102380120A (en) * | 2011-10-31 | 2012-03-21 | 青岛杰生电气有限公司 | Sterilization device and storage cabinet with same |
| CN102657885A (en) * | 2012-04-18 | 2012-09-12 | 广东美的制冷设备有限公司 | Air flue sterilizing device for air conditioner and control method |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2000-84061A 2000.03.28 * |
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