WO2006111088A1 - Filtre photocatalytique utilise dans un ordinateur - Google Patents

Filtre photocatalytique utilise dans un ordinateur Download PDF

Info

Publication number
WO2006111088A1
WO2006111088A1 PCT/CN2006/000726 CN2006000726W WO2006111088A1 WO 2006111088 A1 WO2006111088 A1 WO 2006111088A1 CN 2006000726 W CN2006000726 W CN 2006000726W WO 2006111088 A1 WO2006111088 A1 WO 2006111088A1
Authority
WO
WIPO (PCT)
Prior art keywords
filter
photocatalyst
computer
vent
exhaust fan
Prior art date
Application number
PCT/CN2006/000726
Other languages
English (en)
Chinese (zh)
Inventor
Delin Zhang
Panting Hsueh
Original Assignee
72G Group Limited
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 72G Group Limited filed Critical 72G Group Limited
Publication of WO2006111088A1 publication Critical patent/WO2006111088A1/fr

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136—Forced ventilation, e.g. by fans
    • H05K7/20181—Filters; Louvers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
    • A61L9/18—Radiation
    • A61L9/20—Ultraviolet radiation
    • A61L9/205—Ultraviolet radiation using a photocatalyst or photosensitiser
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/18—Packaging or power distribution
    • G06F1/181—Enclosures
    • G06F1/182—Enclosures with special features, e.g. for use in industrial environments; grounding or shielding against radio frequency interference [RFI] or electromagnetical interference [EMI]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/20—Cooling means

Definitions

  • the invention relates to a filtering process for harmful gases, and more particularly to a photocatalyst filter for a computer, which can be skillfully installed in a computer or the like to remove air pollutants from indoor spaces or individuals to reach air.
  • a photocatalyst filter for a computer which can be skillfully installed in a computer or the like to remove air pollutants from indoor spaces or individuals to reach air.
  • VOCs volatile organic compounds
  • Xylene ammonia, sulfur dioxide, nitrogen dioxide, nitrogen tetrachloride, trichloroethylene, tetrachloroethylene, chloroform, I, 2 -xylene, 1,3-dichlorobenzene, ethylbenzene, benzene, etc. It causes modern civilized diseases such as human leukemia, cancer, chronic poisoning and acute poisoning.
  • the applicant has recently proposed an air filtering device capable of eliminating the above-mentioned harmful gas, which is usually fixedly installed indoors, and is capable of effectively removing volatile organic compounds which are fatal to humans.
  • its structure is complicated, and it is not convenient to carry around. It does not make good use of the already popular computer desktop computer or the portable computer with a fan to simplify the structure of the filter. Summary of the invention
  • An object of the present invention is to provide a photocatalyst filter for a computer which can take full advantage of the popular advantages of a personal computer and an internal structure to eliminate volatile organic compounds which are fatal to humans.
  • the present invention adopts a technical solution:
  • a photocatalyst filter for a computer comprising:
  • At least one ultraviolet lamp is disposed adjacent to the filter.
  • the filter mesh is an anatase nano titanium dioxide twelve-sided three-dimensional metal mesh skeleton structure filter network, comprising a skeleton structure and a twelve-sided three-dimensional metal mesh structure sponge filled in the skeleton structure.
  • a filler, the surface of the sponge filler is loaded with an anatase titanium dioxide nanomaterial as a photocatalyst material.
  • the vent is provided with an exhaust fan for discharging the internal air of the computer main body to the vent, further comprising a dust filter, and the filter mesh is closer to the dust filter.
  • the vent, the exhaust fan is located between the filter and the dust filter.
  • the vent is provided with an exhaust fan for drawing air into the interior of the computer mainframe, further comprising a dust filter, and the dust filter is closer to the vent than the filter.
  • the exhaust fan is located between the filter screen and the dust filter.
  • the exhaust fan is an original component of the computer mainframe.
  • the filter mesh is a circular columnar body, or the filter mesh is a rectangular columnar body, or the filter mesh is a columnar body having an irregular or regular polygonal shape in a vertical cross-sectional shape.
  • the ultraviolet lamp is any one of a medium pressure ultraviolet lamp, a high pressure mercury lamp, a black light lamp, and an ultraviolet germicidal lamp or a combination thereof. More preferably, the ultraviolet lamp emits ultraviolet light having a wavelength between 380 nm and 250 nm.
  • the photocatalyst filter is installed at a computer vent and comprises an anatase nano titanium dioxide twelve-dimensional three-dimensional metal mesh structure filter, and a sandwich layer and at least one ultraviolet lamp are left in the filter network.
  • Tube, UV tube placed
  • the interlayer in the middle of the screen, the dust filter and the exhaust fan, the dust filter and the exhaust fan are arranged parallel to the filter.
  • the filter located in the personal computer can remove the volatile organic compounds that are fatal to the human body in the room, and can also remove the organic compounds produced by the personal computer itself; on the other hand, the personal computer can be fully utilized.
  • the internal structure and popularization advantages make the cost and manufacture of the filter more reasonable, and at the same time make the users of the personal computer in a green and fresh environment.
  • Figure 1 is a schematic diagram of the structure of a typical desktop computer host.
  • FIG. 2 is a schematic diagram showing the structure of a typical notebook computer host.
  • Figure 3 is a schematic diagram showing the structure of a conventional telecommunication switch.
  • Figure 4 is a schematic view showing the structure of the exhaust port of the filter installed in the computer of the present invention.
  • FIG. 5 is a schematic view showing the structure of the air inlet of the filter installed in the computer of the present invention. detailed description
  • FIG. 1-3 Please refer to Figure 1-3 first. It is well known that whether it is a desktop computer, a notebook computer, a telecommunications switch or other types of equipment, the main unit usually has an exhaust port 10, and some also have air inlets. 11, for heat dissipation. Desktop computers and switches are usually placed indoors. They also emit volatile organic compounds that are fatal to humans when they are working or not working. They are also a source of pollution indoors. And the laptop computer, ⁇ ,
  • titanium dioxide In order to facilitate a better understanding of the present invention, the following describes the relevant properties of titanium dioxide:
  • the photocatalytic properties of titanium dioxide were discovered by Professor Fujiyuki of Japan in 19"72 years and have been widely studied and applied.
  • the basic principle of photocatalysis is: When semiconductor oxide (such as titanium dioxide) nanoparticles are subjected to energy greater than the forbidden band width After the photon irradiation, the electrons transition from the valence band to the conduction band, and electron-hole pairs are generated. The electrons are reducible, the holes are oxidizing, and the enthalpy-reaction of the holes and the surface of the oxide semiconductor nanoparticles is very oxidizing.
  • High ruthenium free radicals, active ruthenium free radicals can oxidize many refractory organics to CO: And inorganic substances such as H 2 0.
  • nano-titanium dioxide can be widely used for photocatalytic degradation of fuel wastewater, pharmaceutical wastewater, surfactants, nitrogenous organic compounds, chlorides, freons, industrial pickled waste ice and oily wastewater, and is degraded to C0 2 . , H 2 0 and other j, molecular inorganic substances; at the same time, also in the air volatile organic compounds (VOC), such as furfural, really, diphenyl, ammonia, sulfur dioxide, nitrogen dioxide, nitrogen tetrachloride , Trichloroethylene, tetrachloroethylene, chloroform, 1,2-dichlorobenzene, 1, 3-dichlorobenzene, ethylbenzene, toluene, etc. are degraded.
  • VOC air volatile organic compounds
  • the photocatalyst filter 20 is installed in the vent of the computer main body, and includes:
  • Anatase type nano titanium dioxide twelve-sided three-dimensional metal mesh structure filter 21 a sandwich layer 2 2 is left in the filter net, and the filter net 21 can be set as an integral structure, or can be set as a split structure;
  • At least one ultraviolet lamp tube 23 the ultraviolet lamp tube 23 is placed in the interlayer 22 in the middle of the filter screen, and the number of the ultraviolet lamp tubes 23 is set according to actual needs;
  • the dust filter 24 and the exhaust fan 25, the dust filter 24 and the exhaust fan 25 are all arranged in parallel with the filter 21.
  • the dust filter 24 is a newly added component, and the exhaust fan can utilize the computer host. Original parts inside.
  • the use of an air fan in the mainframe of the computer solves the need for the filter to require passive suction of the fan, allowing air to pass through the photocatalyst filter 20.
  • the metal or plastic casing of various computer mainframes can block the ultraviolet light of 250nm-380nm emitted by the ultraviolet lamp tube in the casing, and it will not directly or indirectly illuminate or affect the human body.
  • the anatase-type nano-titanium dioxide twelve-sided three-dimensional metal mesh filter 21 is placed near the exhaust port;
  • the dust filter is placed at the principle exhaust port
  • the exhaust fan 25 is disposed between the filter 21 and the dust filter 24, that is, the filter 21, the exhaust fan 25, and the dust filter 24 are sequentially disposed from left to right;
  • the dust filter 24 is placed near the air inlet
  • the anatase type nano titanium dioxide twelve-sided three-dimensional metal mesh structure filter 21 is placed at the principle air inlet;
  • the exhaust fan 25 is disposed between the filter 21 and the dust filter 24, that is, the filter 21, the exhaust fan 25, and the dust filter 24 are disposed from left to right;
  • the anatase type nano titanium dioxide twelve-sided three-dimensional metal mesh structure filter net 21 It is a rectangular column or a sheet.
  • the anatase-type nano-titanium dioxide twelve-sided three-dimensional metal mesh structure filter 21 may also be a ⁇ -shaped columnar body or a sheet-like body, or the anatase-type nano-titanium dioxide twelve-sided three-dimensional metal mesh.
  • the structural filter 21 is a columnar body or a sheet-like body having an irregular or regular polygonal shape in a vertical cross-sectional shape.
  • the ultraviolet lamp 23 is any one of a medium-pressure ultraviolet lamp, a high-pressure mercury lamp, a black light lamp, and a ultraviolet germicidal lamp.
  • the number of the ultraviolet lamps 23 can be set as needed, and three lamps, four lamps, and the like can be provided.
  • the anatase-type nano-titanium dioxide twelve-sided three-dimensional metal mesh structure filter 21 in the photocatalyst filter 20 of the present invention is composed of two parts, one part is a twelve-sided three-dimensional metal mesh structure sponge filler, and the other is One part is the skeleton structure supporting the filler, and the twelve-sided three-dimensional metal mesh structure sponge filler is filled in the filler skeleton structure.
  • the skeleton structure is to fix and support the twelve-dimensional three-dimensional metal mesh structure sponge filler, and the surface of the twelve-dimensional three-dimensional metal mesh skeleton sponge filler is loaded with anatase (A type) titanium dioxide nano material, and Forms a stable and firm structure that is durable and resistant to falling off.
  • the catalytic filter 20 of the present invention adopts a fixed nano titanium dioxide MP-Ti-05 twelve-dimensional three-dimensional metal mesh crosslinked skeleton structure filler of stalfoam Products Inc. as a carrier, and the pores of the twelve-dimensional three-dimensional metal mesh skeleton structure filler
  • the number is 4 H>i (from 4 pore structures in one inch length) to 100 ppi (100 pore structure in one inch length), forming 900 m 2 /m 3 ⁇ 1600 Qm 2 /m 3 ; Therefore, the contact area of the filler in the air filtering device with the polluted air is large, and the efficiency of filtering the organic compound is high.
  • nano-titanium dioxide photocatalyst application there is no fixed carrier to fix the nano-dioxide powder, so multi-purpose gel (such as Lennox Company of the United States) or phosphoric lime (such as Japan Daikin Air Conditioning Optical Cleale Air Purifier) will be used.
  • Another material is mixed with nano-titanium dioxide in a wet state and then coated on the mesh. The mixture is dried and used as a filter.
  • the specific surface area of the filter is only 1/60 to 1/200 of the present invention.
  • the exhaust fan 25 performs forced ventilation, and air with V0C contaminants is sucked or discharged from the vent port into the filter 20 of the computer, and the ultraviolet lamp tube 23 in the filter 20 is sharp.
  • Titanium nano titanium dioxide twelve-sided three-dimensional metal mesh The photocatalytic action of the structural filter 21 provides stable and continuous ultraviolet light having a wavelength of between 380 nm and 250 nm.
  • the ultraviolet light source 23 can be selected from a medium pressure ultraviolet lamp, a high pressure mercury lamp, and a black light ultraviolet germicidal lamp.
  • Lamp, UV lamp 23 is generally provided by inverter power supply DC6V-12 or AC100-120V, AC220-240V, AC380-440, etc. to obtain high frequency power supply, according to lamp length, lamp power and ultraviolet radiation intensity.
  • the tube voltage can be from 100V to 1500V, or higher, and the frequency is generally above 2QKhz.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Thermal Sciences (AREA)
  • Electromagnetism (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

L’invention concerne un filtre photocatalytique utilisé pour un ordinateur. Ledit filtre contient au moins deux couches de filet de filtres métalliques formant un cadre similaire à un filet de filtration disposées à l’intérieur de l’ordinateur et à proximité de l’ouverture de ventilation dudit ordinateur, et au moins une lampe UV disposée au sein des filets de filtration. En premier lieu, le filtre peut éliminer les composés organiques volatils d’intérieur qui sont létaux pour l’être humain, ainsi que la substance organique générée par l’ordinateur lui-même. En second lieu, l’utilisation complète de la structure intérieure et la popularité de l’ordinateur rendront plus raisonnables le coût et la fabrication du filtre. Les utilisateurs d’ordinateurs disposent ainsi d’un environnement propre et clair.
PCT/CN2006/000726 2005-04-19 2006-04-19 Filtre photocatalytique utilise dans un ordinateur WO2006111088A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNA2005100252003A CN1853760A (zh) 2005-04-19 2005-04-19 一种用于计算机内的光触媒过滤器
CN200510025200.3 2005-04-19

Publications (1)

Publication Number Publication Date
WO2006111088A1 true WO2006111088A1 (fr) 2006-10-26

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PCT/CN2006/000726 WO2006111088A1 (fr) 2005-04-19 2006-04-19 Filtre photocatalytique utilise dans un ordinateur

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CN (1) CN1853760A (fr)
WO (1) WO2006111088A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009021108A1 (fr) * 2007-08-07 2009-02-12 Lee Antimicrobial Solutions Llc Procédé et dispositif de traitement de l'air par ultraviolets
WO2010093796A1 (fr) * 2009-02-13 2010-08-19 Lee Antimicorbial Solutions Llc Procédé et dispositif de traitement de l'air par uv
USD744627S1 (en) 2014-07-23 2015-12-01 Lee Antimicrobial Solutions, Llc Air-permeable substrate structure
USD814006S1 (en) 2014-07-18 2018-03-27 Synexis Llc Device for producing non-hydrated purified hydrogen peroxide gas
CN114115466A (zh) * 2020-08-24 2022-03-01 成翔电子(东莞)有限公司 具光触媒空气净化效果的计算机电源供应器
WO2022050921A1 (fr) 2020-09-07 2022-03-10 Ege Universitesi Filtre de désinfection d'air uv-c
WO2022115959A1 (fr) * 2020-12-03 2022-06-09 Zapbox, Inc. Dispositif de filtration d'air

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106535562A (zh) * 2016-10-14 2017-03-22 苏州佳世达电通有限公司 电子装置

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Publication number Priority date Publication date Assignee Title
JP2000117116A (ja) * 1998-10-12 2000-04-25 Hokuetsu Paper Mills Ltd 光触媒固定溶媒再生セルロース成型体及びその製造方法
DE20308923U1 (de) * 2003-06-07 2003-08-21 Huang, Hsi Cheng, Shulin, Taipeh Mobiler photokatalytischer Luftreiniger
CN2637962Y (zh) * 2003-08-04 2004-09-01 北京华旗资讯数码科技有限公司 用于计算机机箱的负离子空气净化器
CN2662907Y (zh) * 2003-07-31 2004-12-15 广东科艺普实验室设备研制有限公司 强化型空气消毒净化器

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000117116A (ja) * 1998-10-12 2000-04-25 Hokuetsu Paper Mills Ltd 光触媒固定溶媒再生セルロース成型体及びその製造方法
DE20308923U1 (de) * 2003-06-07 2003-08-21 Huang, Hsi Cheng, Shulin, Taipeh Mobiler photokatalytischer Luftreiniger
CN2662907Y (zh) * 2003-07-31 2004-12-15 广东科艺普实验室设备研制有限公司 强化型空气消毒净化器
CN2637962Y (zh) * 2003-08-04 2004-09-01 北京华旗资讯数码科技有限公司 用于计算机机箱的负离子空气净化器

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10188766B2 (en) 2007-08-07 2019-01-29 Synexis Llc Purified hydrogen peroxide gas microbial control methods and devices
US9370592B2 (en) 2007-08-07 2016-06-21 Lee Antimicrobial Solutions Llc Purified hydrogen peroxide gas microbial control methods and devices
US8168122B2 (en) 2007-08-07 2012-05-01 Lee Antimicrobial Solutions Llc Purified hydrogen peroxide gas microbial control methods and devices
US8685329B2 (en) 2007-08-07 2014-04-01 Lee Antimicrobial Solutions Llc Purified hydrogen peroxide gas microbial control methods and devices
WO2009021108A1 (fr) * 2007-08-07 2009-02-12 Lee Antimicrobial Solutions Llc Procédé et dispositif de traitement de l'air par ultraviolets
US11992573B2 (en) 2007-08-07 2024-05-28 Synexis Llc Purified hydrogen peroxide gas microbial control methods and devices
US11207436B2 (en) 2007-08-07 2021-12-28 Synexis Llc Purified hydrogen peroxide gas microbial control methods and devices
US10940223B2 (en) 2007-08-07 2021-03-09 Synexis Llc Purified hydrogen peroxide gas microbial control methods and devices
US9034255B2 (en) 2007-08-07 2015-05-19 Lee Antimicrobial Solutions Llc Purified hydrogen peroxide gas microbial control methods and devices
WO2010093796A1 (fr) * 2009-02-13 2010-08-19 Lee Antimicorbial Solutions Llc Procédé et dispositif de traitement de l'air par uv
USD814006S1 (en) 2014-07-18 2018-03-27 Synexis Llc Device for producing non-hydrated purified hydrogen peroxide gas
USD744627S1 (en) 2014-07-23 2015-12-01 Lee Antimicrobial Solutions, Llc Air-permeable substrate structure
CN114115466A (zh) * 2020-08-24 2022-03-01 成翔电子(东莞)有限公司 具光触媒空气净化效果的计算机电源供应器
WO2022050921A1 (fr) 2020-09-07 2022-03-10 Ege Universitesi Filtre de désinfection d'air uv-c
EP4199978A4 (fr) * 2020-09-07 2024-02-28 Ege Universitesi Filtre de désinfection d'air uv-c
WO2022115959A1 (fr) * 2020-12-03 2022-06-09 Zapbox, Inc. Dispositif de filtration d'air

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