CN103566501A - Ultraviolet disinfection face mask - Google Patents

Ultraviolet disinfection face mask Download PDF

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Publication number
CN103566501A
CN103566501A CN201210277479.4A CN201210277479A CN103566501A CN 103566501 A CN103566501 A CN 103566501A CN 201210277479 A CN201210277479 A CN 201210277479A CN 103566501 A CN103566501 A CN 103566501A
Authority
CN
China
Prior art keywords
ultraviolet
disinfection
shield
support
led
Prior art date
Application number
CN201210277479.4A
Other languages
Chinese (zh)
Inventor
张小伟
王培�
温源
Original Assignee
上海广茂达光艺科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 上海广茂达光艺科技股份有限公司 filed Critical 上海广茂达光艺科技股份有限公司
Priority to CN201210277479.4A priority Critical patent/CN103566501A/en
Publication of CN103566501A publication Critical patent/CN103566501A/en

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Abstract

The invention provides an ultraviolet disinfection face mask, comprising a supporting piece, at least two ultraviolet LEDs (light-emitting diodes) and a face mask, wherein the ultraviolet LEDs are fixedly arranged inside the supporting piece, and the emitted light of the at least two ultraviolet LEDs has different dominant wave lengths. According to the ultraviolet disinfection face mask, the at least two ultraviolet LEDs having different dominant wave lengths are adopted, on one hand, the disinfection capability of ultraviolet is utilized, on the other hand, the ultraviolet is utilized for exciting the effective oxygenolysis characteristic of photocatalyst to play a broad-spectrum disinfection effect. Meanwhile, through selecting combination of ultraviolet LEDs having different wave lengths, pollutants and microorganisms contained in specific air environment can be removed and killed in a targeted manner.

Description

Disinfection by ultraviolet light face shield

Technical field

The present invention relates to a kind of amenities, particularly a kind of disinfection by ultraviolet light face shield.

Background technology

Along with LED technology constantly moves to maturity, its range of application expanding day.And ultraviolet LED compares the luminous ultraviolet light source of traditional mercury vapour, have volume little, without mercury pollution, the life-span is long, germicidal efficiency is high advantage.Therefore can be applied in more widely various fields, disinfection by ultraviolet light face shield is also an application wherein.

Photocatalyst is applied in every field widely as a kind of antibacterial coating.It coats substrate surface, the dry rear film that forms.Under the irradiation of specific wavelength, it can react with the oxygen that water or appearance are deposited, and produces hydroxyl free radical (OH) and super cloudy oxonium ion (O).Thereby produce strong catalytic degradation function: can effectively kill various bacteria, antibiotic rate is up to more than 90%, and the toxin that bacterium or fungi can be discharged decomposes and harmless treatment; Various harmful chemicals, odorant can be decomposed or harmless treatment simultaneously, reach purify air, the effect of anti-soil deodorizing.In this course of reaction, photocatalyst itself does not change and loss, has good continuation, and the nontoxic and final product of itself is carbon dioxide, water and other innocuous substances simultaneously, can not produce secondary pollution.

In prior art, a kind of disinfection by ultraviolet light mouth mask is generally ultraviolet auto-sterilizing photocatalytic breathing mask.It comprises face shield and the control member that can adhere to photocatalyst regeneration.Said apparatus is by the ultraviolet ray (350nm ~ 400nm) of energy specific band, the oxygenolysis of exciting light catalyst are provided.Due to the ultraviolet sterilization ability of this wavelength band a little less than, so the sterilizing ability of this face shield is more single, has just brought into play the oxidation Decomposition characteristic of photocatalyst.The sterile mask that another kind has multi-layer filtration material is to utilize the ultraviolet ray of external irradiation or the oxidation of excited by visible light photocatalyst to carry out sterilization, but due to the ultraviolet that can be utilized by photocatalyst in visible ray seldom, only has 3% ~ 5% left and right, therefore cannot give full play to the oxidation Decomposition characteristic of photocatalyst, bactericidal property is poor.

Summary of the invention

The technical problem to be solved in the present invention is single in order to overcome the ultraviolet wavelength that disinfection by ultraviolet light face shield of the prior art sends, the defect that sterilizing ability is poor, provides a kind of its ultraviolet LED to have the disinfection by ultraviolet light face shield of at least two kinds of different utilizing emitted light dominant wavelengths.

The present invention solves above-mentioned technical problem by following technical proposals: a kind of disinfection by ultraviolet light face shield, it comprises a support member, at least two ultraviolet LED and a face shield, its feature is, it is inner that described ultraviolet LED is fixedly arranged on described support member, and the utilizing emitted light of at least two described ultraviolet LED has different dominant wavelength.

Preferably, described ultraviolet LED is evenly distributed in described support member.Equally distributed ultraviolet LED can make various piece in described support member be subject to ultraviolet ray irradiation more uniformly, makes sterilization more thorough.

Preferably, on described support member inwall, symmetry is embedded with two groups of ultraviolet LED that radiative dominant wavelength is different, and the quantity of every group of ultraviolet ray LED is at least one.

Preferably, described in each, the radiative dominant wavelength ranges of ultraviolet LED is 100nm-400nm.

Preferably, having the radiative dominant wavelength of a ultraviolet LED at least is 254nm, and to have the radiative dominant wavelength of a ultraviolet LED at least be 365nm.Wavelength is that the ultraviolet ray of 254nm has good bactericidal action.

Preferably, the interior survey of described support member scribbles one deck for antibacterial coating.

Preferably, described coating is TiO 2.By great many of experiments, draw, the ultraviolet ray of 365nm wavelength is to activate with TiO 2the better selection light source of photocatalyst for semiconductor medium, has stronger photochemical reaction effect, can greatly strengthen the sterilization of described disinfection by ultraviolet light face shield and the removal ability of air pollutants.

Preferably, described support member is column structure.

Positive progressive effect of the present invention is: the present invention adopts at least two ultraviolet LED with different dominant wavelengths, utilize on the one hand the sterilizing ability of ultraviolet ray self, by the efficient oxidation resolution characteristic of ultraviolet ray excited photocatalyst, play the effect of broad-spectrum sterilization on the other hand.Simultaneously can also be by selecting the pointed removal of pollutant that the ultraviolet LED combination of different wave length contain special air environment and microorganism and killing.

Accompanying drawing explanation

Fig. 1 is the structural representation of the disinfection by ultraviolet light face shield in a preferred embodiment of the present invention.

Fig. 2 is the cutaway view of the disinfection by ultraviolet light face shield in Fig. 1.

Fig. 3 is the cross-section front view of the disinfection by ultraviolet light face shield in Fig. 1.

The specific embodiment

Below in conjunction with accompanying drawing, provide preferred embodiment of the present invention, to describe technical scheme of the present invention in detail.

As shown in Figure 1-Figure 3, disinfection by ultraviolet light face shield of the present invention comprises a support member 1, at least two ultraviolet LED2, a circuit board 3, a control device 4, a power supply 5 and face shields 6.In a preferred embodiment of the present invention, on the inwall of support member 1, symmetry is inlayed two groups of ultraviolet LED2 that dominant wavelength is different, two every group.Will be understood that, the quantity of ultraviolet LED2 and position arrangement are not limited to the design in the present embodiment, can be other forms.The circuit board 3 being connected with ultraviolet LED2, control device 4, power supply 5 are arranged between the inside and outside wall of support member 1, and face shield 6 is fixed at one end of support member 1.

Support member 1 is cylindrical-shaped structure, and the radiative dominant wavelength ranges of ultraviolet LED2 is 100nm-400nm.Preferably, radiative dominant wavelength that can some ultraviolet LED2 is set to 254nm, and the radiative dominant wavelength of other ultraviolet LED2 is set to 365nm.The inwall of support member 1 scribbles TiO 2antibacterial layer.When using described disinfection by ultraviolet light face shield, with control device 4, activate ultraviolet LED2.When air is inner by support member 1, the ultraviolet LED2 that dominant wavelength is 254nm on the one hand has good bactericidal action, and the irradiation of the ultraviolet LED2 that dominant wavelength is 365nm simultaneously can excite TiO effectively 2the characteristic of the oxidation Decomposition of antibacterial layer, so not only can effectively remove microorganism, can remove pernicious gas in air, reach bacteriostasis, and deodorization simultaneously, the effect of high-efficient purification air, thus for user, effectively intercepted airborne microorganism and pernicious gas.When finishing using, powered-down 5, and face shield 6 is taken off, and carry out disinfection and clean, to use next time.

Certainly, those skilled in the art can reasonably think, the dominant wavelength of ultraviolet LED2 is not limited to 254nm and 365nm, and other wavelength combination also can play the removal effect of sterilization and air pollutants.In addition, the shape of support member 1 is also not limited only to cylindric, can be other suitable shape.

Although more than described the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is limited by appended claims.Those skilled in the art is not deviating under the prerequisite of principle of the present invention and essence, can make various changes or modifications to these embodiments, but these changes and modification all fall into protection scope of the present invention.

Claims (8)

1. a disinfection by ultraviolet light face shield, it comprises a support member, at least two ultraviolet LED and a face shield, it is characterized in that, it is inner that described ultraviolet LED is fixedly arranged on described support member, and the utilizing emitted light of at least two described ultraviolet LED has different dominant wavelength.
2. disinfection by ultraviolet light face shield as claimed in claim 1, is characterized in that, described ultraviolet LED is evenly distributed in described support member.
3. disinfection by ultraviolet light face shield as claimed in claim 1, is characterized in that, on described support member inwall, symmetry is embedded with two groups of ultraviolet LED that radiative dominant wavelength is different, and the quantity of every group of ultraviolet ray LED is at least one.
4. the disinfection by ultraviolet light face shield as described in any one in claim 1-3, is characterized in that, described in each, the radiative dominant wavelength ranges of ultraviolet LED is 100nm-400nm.
5. disinfection by ultraviolet light face shield as claimed in claim 4, is characterized in that, having the radiative dominant wavelength of a ultraviolet LED at least is 254nm, and to have the radiative dominant wavelength of a ultraviolet LED at least be 365nm.
6. disinfection by ultraviolet light face shield as claimed in claim 1, is characterized in that, the interior survey of described support member scribbles one deck for antibacterial coating.
7. disinfection by ultraviolet light face shield as claimed in claim 6, is characterized in that, described coating is TiO 2.
8. disinfection by ultraviolet light face shield as claimed in claim 1, is characterized in that, described support member is column structure.
CN201210277479.4A 2012-08-06 2012-08-06 Ultraviolet disinfection face mask CN103566501A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210277479.4A CN103566501A (en) 2012-08-06 2012-08-06 Ultraviolet disinfection face mask

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210277479.4A CN103566501A (en) 2012-08-06 2012-08-06 Ultraviolet disinfection face mask

Publications (1)

Publication Number Publication Date
CN103566501A true CN103566501A (en) 2014-02-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210277479.4A CN103566501A (en) 2012-08-06 2012-08-06 Ultraviolet disinfection face mask

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CN (1) CN103566501A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000069477A1 (en) * 1999-04-01 2000-11-23 Kunchong Hi-Tech Co., Ltd. Process for preventing air pollution by using ultraviolet ray
CN1488406A (en) * 2003-06-24 2004-04-14 苏国庆 Indoor air sterilizing, disinfecting and refreshing machine
CN2616236Y (en) * 2003-05-23 2004-05-19 朱允元 Ultraviolet auto-sterilizing photocatalytic breathing mask
CN2626493Y (en) * 2003-07-07 2004-07-21 何秉远 Composite oxygen-enriching air-purifying disinfecting device of ultraviolet and nano-titanium argentine
CN1850283A (en) * 2006-05-19 2006-10-25 陕西师范大学 Supersonic synergic nano light catalytic air-sterilizing-purifying apparatus
CN200939259Y (en) * 2006-08-16 2007-08-29 中国测试技术研究院化学研究所 Indoor air cleaner for decoration
CN201631734U (en) * 2009-06-29 2010-11-17 韩光荣 Gas disinfecting and deodorizing device
CN102462857A (en) * 2010-11-12 2012-05-23 上海成增科技发展有限公司 Air purifying device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000069477A1 (en) * 1999-04-01 2000-11-23 Kunchong Hi-Tech Co., Ltd. Process for preventing air pollution by using ultraviolet ray
CN2616236Y (en) * 2003-05-23 2004-05-19 朱允元 Ultraviolet auto-sterilizing photocatalytic breathing mask
CN1488406A (en) * 2003-06-24 2004-04-14 苏国庆 Indoor air sterilizing, disinfecting and refreshing machine
CN2626493Y (en) * 2003-07-07 2004-07-21 何秉远 Composite oxygen-enriching air-purifying disinfecting device of ultraviolet and nano-titanium argentine
CN1850283A (en) * 2006-05-19 2006-10-25 陕西师范大学 Supersonic synergic nano light catalytic air-sterilizing-purifying apparatus
CN200939259Y (en) * 2006-08-16 2007-08-29 中国测试技术研究院化学研究所 Indoor air cleaner for decoration
CN201631734U (en) * 2009-06-29 2010-11-17 韩光荣 Gas disinfecting and deodorizing device
CN102462857A (en) * 2010-11-12 2012-05-23 上海成增科技发展有限公司 Air purifying device

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Application publication date: 20140212