WO2005067985A1 - 空気清浄機 - Google Patents
空気清浄機 Download PDFInfo
- Publication number
- WO2005067985A1 WO2005067985A1 PCT/JP2005/000417 JP2005000417W WO2005067985A1 WO 2005067985 A1 WO2005067985 A1 WO 2005067985A1 JP 2005000417 W JP2005000417 W JP 2005000417W WO 2005067985 A1 WO2005067985 A1 WO 2005067985A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- container
- air purifier
- photocatalyst
- net
- particles
- Prior art date
Links
- 239000002245 particle Substances 0.000 claims abstract description 127
- 239000011941 photocatalyst Substances 0.000 claims abstract description 105
- 239000006260 foam Substances 0.000 claims abstract description 93
- 239000011248 coating agent Substances 0.000 claims abstract description 8
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 238000007664 blowing Methods 0.000 claims abstract description 6
- 230000001678 irradiating effect Effects 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 20
- 238000005187 foaming Methods 0.000 claims description 10
- 239000011230 binding agent Substances 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000004332 deodorization Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 238000000638 solvent extraction Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 2
- 239000011162 core material Substances 0.000 abstract description 6
- 238000009423 ventilation Methods 0.000 abstract description 5
- 230000001877 deodorizing effect Effects 0.000 abstract 1
- 238000007667 floating Methods 0.000 description 38
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 26
- 235000019645 odor Nutrition 0.000 description 21
- 230000000694 effects Effects 0.000 description 18
- 230000001699 photocatalysis Effects 0.000 description 14
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 12
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 12
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 10
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 10
- 239000000919 ceramic Substances 0.000 description 9
- 239000004408 titanium dioxide Substances 0.000 description 9
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000000376 reactant Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 7
- 229910001887 tin oxide Inorganic materials 0.000 description 7
- 229910052719 titanium Inorganic materials 0.000 description 7
- 239000010936 titanium Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 229910021529 ammonia Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000005192 partition Methods 0.000 description 6
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 239000011787 zinc oxide Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 229910003437 indium oxide Inorganic materials 0.000 description 4
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 3
- 239000012190 activator Substances 0.000 description 3
- 229910052586 apatite Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- -1 ethyl acetyl Chemical group 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000010440 gypsum Substances 0.000 description 3
- 229910052602 gypsum Inorganic materials 0.000 description 3
- 229910052763 palladium Inorganic materials 0.000 description 3
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 3
- 239000008096 xylene Substances 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- 229910052726 zirconium Inorganic materials 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052692 Dysprosium Inorganic materials 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000004703 alkoxides Chemical class 0.000 description 2
- 229910000410 antimony oxide Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910000389 calcium phosphate Inorganic materials 0.000 description 2
- 239000001506 calcium phosphate Substances 0.000 description 2
- 235000011010 calcium phosphates Nutrition 0.000 description 2
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000007146 photocatalysis Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 239000005373 porous glass Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229910052703 rhodium Inorganic materials 0.000 description 2
- 239000010948 rhodium Substances 0.000 description 2
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 2
- 229910052707 ruthenium Inorganic materials 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 2
- ZNOKGRXACCSDPY-UHFFFAOYSA-N tungsten trioxide Chemical compound O=[W](=O)=O ZNOKGRXACCSDPY-UHFFFAOYSA-N 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 241000070918 Cima Species 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- 241001424413 Lucia Species 0.000 description 1
- 229910052765 Lutetium Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 229910052775 Thulium Inorganic materials 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000000843 anti-fungal effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- WMWLMWRWZQELOS-UHFFFAOYSA-N bismuth(III) oxide Inorganic materials O=[Bi]O[Bi]=O WMWLMWRWZQELOS-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- QCUOBSQYDGUHHT-UHFFFAOYSA-L cadmium sulfate Chemical compound [Cd+2].[O-]S([O-])(=O)=O QCUOBSQYDGUHHT-UHFFFAOYSA-L 0.000 description 1
- 229910000331 cadmium sulfate Inorganic materials 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 229910000420 cerium oxide Inorganic materials 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 1
- 230000002070 germicidal effect Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- KJZYNXUDTRRSPN-UHFFFAOYSA-N holmium atom Chemical compound [Ho] KJZYNXUDTRRSPN-UHFFFAOYSA-N 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- OHSVLFRHMCKCQY-UHFFFAOYSA-N lutetium atom Chemical compound [Lu] OHSVLFRHMCKCQY-UHFFFAOYSA-N 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 150000007523 nucleic acids Chemical class 0.000 description 1
- 102000039446 nucleic acids Human genes 0.000 description 1
- 108020004707 nucleic acids Proteins 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000005080 phosphorescent agent Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000013032 photocatalytic reaction Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 230000010076 replication Effects 0.000 description 1
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- JUWGUJSXVOBPHP-UHFFFAOYSA-B titanium(4+);tetraphosphate Chemical compound [Ti+4].[Ti+4].[Ti+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O JUWGUJSXVOBPHP-UHFFFAOYSA-B 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 229910001935 vanadium oxide Inorganic materials 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/38—Removing components of undefined structure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/80—Type of catalytic reaction
- B01D2255/802—Photocatalytic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/90—Odorous compounds not provided for in groups B01D2257/00 - B01D2257/708
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
Definitions
- the present invention relates to an air purifier. More specifically, the present invention relates to an air purifier that uses a foamed photocatalyst and irradiates the foamed photocatalyst with a light emitting diode (hereinafter, referred to as an “LED”) to purify air.
- the present invention also relates to an air purifier capable of enjoying the effect of light by irradiating light rays emitted from ultraviolet rays, purple LEDs, and blue LEDs by mixing luminous foam particles.
- Patent Document 1 a technology for purifying air using a floating photocatalyst particulate as a filter has been disclosed in Patent Document 1.
- This air purification device is formed of a double substantially cylindrical body composed of an inner cylinder made of a transparent material and an outer cylinder surrounding the inner cylinder, and at least two ends of the hollow portion between the inner cylinder and the outer cylinder.
- a substantially plate-shaped partition plate having air permeability for partitioning a portion from other portions is provided, and a substantially tubular airflow introducing portion communicating with one end of the hollow portion through the partition plate and the hollow portion and the like.
- a hollow container each having a substantially tubular airflow discharge part communicating with the end side, and when irradiating light of a predetermined wavelength, active oxygen is generated from surrounding water and oxygen by the action of a photocatalyst, and the nearby
- a photocatalytic material capable of detoxifying germs and odor source substances is formed of granules of a predetermined shape disposed on the surface, and a number of reactants exchangeably housed in the hollow portion of the hollow container; Disposed on the inner side of the inner cylinder; A light source for irradiating light of a predetermined wavelength toward the air container, and a blower fan disposed in communication with the airflow introduction portion of the hollow container and for sending air toward the hollow portion through the airflow introduction portion. It is characterized.
- the airflow introducing portion of the hollow container is connected to the hollow portion in a direction tangential to a cylindrical surface and in a direction obliquely intersecting with the cross section of the cylinder, and is formed of one or a plurality of substantially tubular members. Is blown out to the hollow part to form a vortex flow in the hollow part.
- an inner cylinder and an outer cylinder of a hollow container are substantially cylindrical bodies.
- a substantially tubular body communicating with the hollow part in a predetermined direction is provided as an airflow introduction part, and a vortex flow of air is generated in the hollow part, and the reactant is placed on the vortex flow and violently floats around the light source
- the position of the reactant facing the light source can be changed in various ways, and the total area of the reactant irradiated with light is greatly increased, so that the action of the photocatalyst on the entire reactant is further improved.
- the effect of purifying various bacteria and odor sources from the air can be enhanced.
- Patent Document 2 discloses an air purifier configured to react a titanium oxide photocatalyst with an ultraviolet light emitting diode. As shown in FIG. 16, when the light source switch 115 and the fan switch 116 are turned on, as shown in FIG. 16, 48 ultraviolet LEDs 112 of the ultraviolet LED light source 110 emit light to irradiate the filter in the filter frame 102 with the ultraviolet light. The fan 109 is configured to rotate to send air toward the filter and circulate indoor air. (Patent Document 2)
- Patent Document 1 Japanese Patent Publication No. 2000-262603
- Patent Document 2 Japanese Patent Application Laid-Open No. 2002-126055
- the collision between the photocatalyst particles becomes severe, the coated photocatalyst is detached, and the fine powder of the photocatalyst adheres to the inner surface of the cylinder, thereby blocking the light and significantly deteriorating the photocatalytic function. Therefore, it can be considered that there is no guarantee that the granular material will be uniformly irradiated with light by generating an airflow inside the hollow container while irradiating the granular light and bringing the reactant into floating contact with the air.
- the air purifier of Patent Document 2 is a nonwoven fabric coated with a titanium oxide (TiO 2) photocatalyst.
- an object of the present invention is to provide a small, lightweight, and inexpensive air purifier that can exhibit a high air purifying function.
- Another object of the present invention is to provide an air purifier that can be used for interiors.
- the present inventor sucked dirty air with a fan, passed between floating foam particles, and coated a photocatalyst as the foam particles.
- the present invention was conceived of an air purifier configured to purify air by using photocatalyst foam particles and irradiating the photocatalyst foam particles with ultraviolet LED light.
- an air purifier includes a container having an intake port in a lower region and an exhaust port in an upper region, and an air blower provided on the lower region side in the container.
- a fan a net provided in the container above the fan, which vertically divides the inside of the container, and a plurality of LEDs for irradiating ultraviolet rays provided on at least one of the net and the wall surface of the container. It is characterized by having an LED electric circuit arranged and a plurality of photocatalyst foamed particles coated with a photocatalyst contained in the same container.
- a second invention is characterized in that the LED electric circuit has at least a plurality of LEDs provided on the net and irradiating ultraviolet rays.
- a third invention is characterized in that the LED electric circuit has a plurality of ultraviolet light emitting diodes arranged concentrically on the upper surface of the net.
- a fourth invention is characterized in that the LED electric circuit has a plurality of light-emitting diodes concentrically arranged on the upper surface of the net and a tower in which a plurality of ultraviolet LEDs are arranged at the center.
- a number of LEDs are further arranged on the outer peripheral surface of the container, and the light of the LEDs is irradiated to the photocatalyst foam inside the container.
- the electric circuit has two or three diodes concentrically connected in series on the upper surface of the same net and is arranged in a circle.
- the seventh invention is characterized in that the orientation of the anode and the cathode is arranged in a mirror image with respect to the center line of the bottom surface.
- the seventh invention is characterized in that two or three diodes are connected in series concentrically on a net to form a circle. Arranged, ultraviolet LED is arranged in the center, purple LED is arranged outside, blue LED is arranged outside, and 2-3 diodes arranged in the same circle are on the bottom center line.
- the orientation of the Arnold and the cathode is arranged in a mirror image.
- the eighth invention is characterized in that the diodes arranged concentrically are arranged in a mirror image with the orientation of the anodic and the cathode with respect to the bottom center line.
- the foamed photocatalyst is a foamed photocatalyst in which the surface of a foam is coated with a photocatalyst via a binder, and the foam is coated with a fluorescent material such as blue which emits light upon receiving ultraviolet rays. It is characterized in that it is used by being mixed with foamed particles and a phosphorescent foam coated with a phosphorescent material that stores ultraviolet rays in the foam and emits light.
- a tenth invention is characterized in that a filter for deodorization and dust prevention is arranged below the air blower fan.
- the upper region and the lower region of the container are separable, and the upper region of the container is provided with nets at a fitting opening end with the lower region of the container in a state in which the foamed photocatalyst is stored. It is characterized by being a sealed and replaceable cartridge.
- the twelfth invention is characterized in that the inner surface of the container containing the photocatalyst expanded particles is subjected to an ultraviolet ray preventing coating treatment.
- a thirteenth invention is characterized in that a filter member for preventing foaming of photocatalyst foam particles is arranged near the top or side portion inside the container.
- the air purifier of the present invention has an air purifying function by the photocatalytic action of the photocatalyst expanded particles themselves. And a small, lightweight and inexpensive air purifier that can be used for interiors.
- indoor air can be circulated through the filter by the fan that blows air toward the filter, thereby enhancing the air cleaning effect of the filter.
- an embodiment in which the foamed photocatalyst is formed by mixing the foamed fluorescent particles coated with a fluorescent agent and the foamed phosphorescent particles coated with a phosphorescent material that stores ultraviolet rays in the floating foamed particles and emits light.
- the floating foam particles are irradiated with ultraviolet light from a plurality of ultraviolet light emitting diodes
- the air is purified by the photocatalytic action of the floating filter, and the fluorescent foam particles and the phosphorescent foam particles are similarly irradiated with the ultraviolet light. It emits light in a unique fluorescent color when exposed to light, so that the inside of the container can enjoy the effect of light like spring water, making it a small, lightweight and inexpensive air purifier that can be used for interiors. Can be.
- the ultraviolet LED can have an emission wavelength within a range of 360 nm and a power of 400 nm. Therefore, the center emission wavelength of the ultraviolet light emitting diode is 380 nm, and the light emitted from the ultraviolet light emitting diode is near-ultraviolet light having a long wavelength, and there is almost no harm to the human body, especially eyes and skin. As a result, even if the ultraviolet light emitting diode is turned on for a long time, air can be safely purified without any adverse effect on health.
- the photocatalytic action of the photocatalyst foam particles themselves makes the titanium oxide particles more oxidized than conventional air purifiers.
- the photocatalytic action of the expanded particles can be exhibited.
- FIG. 1 is a front view of an air purifier according to a first embodiment of the present invention.
- FIG. 2 is a sectional view showing an AA sectional view of the air purifier according to the first embodiment of the present invention.
- FIG. 3 is a perspective view of a demonstration air cleaner pursuant to the first embodiment of the present invention.
- FIG. 4 is a circuit diagram showing an example of an LED electric circuit provided on the bottom surface of the net according to the first embodiment of the present invention.
- FIG. 5 is a circuit diagram showing another example of the LED electric circuit provided on the bottom surface of the net according to the first embodiment of the present invention.
- FIG. 6 is a plan view showing a configuration of an LED tower erected on a bottom surface of a net according to the first embodiment of the present invention.
- FIG. 7 is a circuit diagram showing an example of an LED electric circuit provided on the container wall surface according to the first embodiment of the present invention.
- FIG. 8A is a graph showing the change over time in the intensity of the odor when air containing ethyl acetyl as an odor component is treated using the air purifier shown in FIG. 3.
- FIG. 8B is a graph showing the change over time of the odor intensity when air containing ethyl acetate as an odor component is treated after turning off the LED using the air purifier shown in FIG. 3.
- FIG. 9 is a graph showing the change over time of the odor intensity when air containing ammonia as an odor component is treated using the air purifier shown in FIG. 3.
- FIG. 10 is a graph showing the change over time in the intensity of odor when air containing xylene as an odor component is treated using the air purifier shown in FIG. 3.
- FIG. 11 is a front view of an air purifier according to a second embodiment of the present invention.
- FIG. 12 is an AA cross-sectional view of an air cleaner pursuing a second embodiment of the present invention.
- FIG. 13 is a perspective view of an air cleaner pursuing a third embodiment of the present invention.
- FIG. 14 is a BB cross-sectional view of an air cleaner pursuant to a third embodiment of the present invention.
- FIG. 15 is an exploded perspective view of an air cleaner pursuant to a fourth embodiment of the present invention.
- FIG. 16 is a perspective view of an air purifier according to a conventional embodiment.
- An air purifier of the present invention includes a container having a suction port in a lower region and an exhaust port in an upper region, a fan for air blowing provided on a lower region side in the container, and a container having the same.
- a net provided in the upper part of the fan to partition the inside of the container up and down, an LED electric circuit provided with a plurality of LEDs for irradiating ultraviolet light provided on the net, and ultraviolet light provided on the wall surface of the container.
- foamed photocatalyst examples include not only foamed photocatalysts coated with a photocatalyst such as titanium dioxide and visible light reactive titanium dioxide, but also a fluorescent agent and a phosphorescent agent to titanium dioxide and visible light reactive titanium dioxide.
- a photocatalyst such as titanium dioxide and visible light reactive titanium dioxide
- fluorescent agent and a phosphorescent agent to titanium dioxide and visible light reactive titanium dioxide.
- Fluorescent photocatalyst foam particles, luminous foam photocatalyst particles, etc., which are mixed and coated with an apatite aqueous solution or the like, may be included.
- the photocatalyst if it has a photocatalytic action, in addition to the above-mentioned titanium oxide (titanium), which can be easily displaced, for example, zirconia, zinc oxide, tin oxide, acid oxide, etc. Cerium, antimony oxide, tin-doped indium oxide (ITO), antimony-doped tin oxide (ATO), zinc-doped indium oxide (IZO), aluminum-doped oxidized zinc (AZO), In addition, fluorine-doped tin oxide (FTO) or the like can be used. These photocatalysts can be used alone or in combination of two or more and coated on the surface of the base material particles to form foamed photocatalyst particles.
- the method for producing the expanded photocatalyst particles is not particularly limited, and any known technique may be used.
- a spherical surface is coated with a silicone binder.
- a film is formed to a predetermined thickness by a film means, and then, while the silicone binder is not yet cured, a photocatalyst is applied by a coating means, and then, while the excess photocatalyst is washed in water, the photocatalyst is excited by ultraviolet light to excite the photocatalyst.
- a technique for decomposing organic substances that emerge from the laser and forming a hydrophilic layer on the surface of the photocatalyst in water to form photocatalyst foaming particles as shown in Japanese Patent No. 2832342. Water is adsorbed and this water is used to make inactive ceramics such as aluminum, silicon, zirconium, magnesium, calcium, titanium, etc.
- the surface of titer particles is coated with a ceramic which is inert to light, for example, alumina, silica, zirconia, zirconium titanate, magnesia, lucia, calcium phosphate, and phosphorus. Titanate, iron oxide A technique of supporting coated titanium particles partially coated with ferrite, gypsum, amorphous titanium, or the like on a porous material can be applied.
- the foamed particles as the base material of the foamed photocatalyst particles are not particularly limited.
- Body activated carbon, foamed plastics, glass fiber moldings, synthetic fiber moldings, FRP moldings, plastics-inorganic composite moldings, fiber moldings and the like can be used.
- the photocatalyst particles for example, titania particles present on the surface of the photocatalyst foam are made of alumina, silica, zirconia, zirconium titanate, magnesia, lucifera, calcium phosphate, titanium phosphate, iron oxide, ferrite.
- organic compounds which are pollutants in the atmosphere, are made effective by the adsorption action of these inactive ceramics. Adsorption can be performed efficiently.
- a photocatalyst particle for example, a particle in which platinum or a metal such as rhodium, ruthenium, palladium, silver, copper, iron, or zinc is supported on the surface of a titanium particle, an organic compound is formed by the catalytic action.
- the effects of decomposing and removing compounds and antibacterial * Environmental purification effects such as antifungal effects are further increased.
- the base material of the photocatalyst expanded particles is an organic material, the portion which comes into contact with the organic material is a ceramic which is inert to light, so that the effect of the decomposition of the base material is less likely to occur for a long time. The advantage is that it can be maintained.
- the photocatalyst foam particles contained in the container are provided above the fan in the container in order to effectively irradiate a large number of LEDs with light.
- the photocatalyst foam particles contained in the container are provided above the fan in the container in order to effectively irradiate a large number of LEDs with light.
- the container wall On the net that partitions the inside of the container up and down, and at least on the container wall Also, it has a configuration provided with an LED electric circuit provided with a plurality of LEDs for irradiating ultraviolet rays, provided on one side.
- ultraviolet rays generally have a wavelength in the range of 10 to 400 o, and germicidal lamps having a wavelength of 253.7 o are frequently used in ornamental fish, food, medicine, and the electronics industry. When exposed to this ultraviolet light, microorganisms destroy nucleic acids (DNA) and lose their replication function, and are harmful to the human body.
- UV region 360 Uses LEDs that emit 400-nm UV light.
- the arrangement of the plurality of LEDs for irradiating the ultraviolet rays to the photocatalyst foam particles contained in the container depends on the shape and size of the container, the amount of the photocatalyst foam particles disposed in the container, and the like. In general, it is desirable that they are arranged at least on the net.
- a tower having a plurality of ultraviolet LEDs arranged in the center of the net is erected, thereby forming the entirety of the foamed photocatalyst particles contained in the container. This makes it possible to irradiate ultraviolet rays more efficiently.
- the outer peripheral surface of the container By arranging a large number of LEDs in the container and irradiating the light rays of the LEDs toward the photocatalyst foam particles inside the container, the entirety of the photocatalyst foam particles contained in the container can be efficiently irradiated with ultraviolet rays. Becomes possible.
- the arrangement of the plurality of ultraviolet light emitting diodes on the upper surface of the net is not particularly limited, but the plurality of ultraviolet light emitting diodes may be arranged concentrically. This is preferable for uniformly and efficiently irradiating ultraviolet rays to the photocatalyst expanded particles in the pressure vessel.
- the LED electric circuit similarly turns on a plurality of light emitting diodes on the top of the net.
- the circuits are arranged concentrically and a tower having a plurality of ultraviolet LEDs arranged in the center is provided upright.
- two or three diodes are concentrically connected in series and arranged in a circle on a net, and the two or three diodes arranged in the same circle are arranged at the bottom center. It is desirable that the orientation of the anode and cathode relative to the line be located in the mirror image.
- two or three diodes are connected in series and arranged in a circle in a concentric manner, arranged in a circle, an ultraviolet LED is arranged in the center, and a purple LED is arranged outside. It is also possible to use a mode in which a blue LED is arranged on the outside and three diodes arranged in the same circle are arranged in a mirror image with the orientation of the anode and cathode with respect to the bottom center line. .
- the above-mentioned foamed photocatalyst is a foamed photocatalyst in which the surface of a foam is coated with a photocatalyst via a binder. It is used as a mixture of fluorescent foam particles coated with a fluorescent material such as blue that emits light upon receiving ultraviolet light, and phosphorescent foam particles coated with a phosphorescent material that stores ultraviolet light and emits light in the foam.
- the visible light photocatalyst action of the photocatalyst foam particles of the floating foam particles causes the air to expand.
- the fluorescent foam particles and the phosphorescent foam particles also emit a unique fluorescent color when irradiated with ultraviolet light, so that they play a role as a second light source. Is amplified.
- the fluorescent foam and phosphorescent foam emit light in a unique fluorescent color when irradiated with ultraviolet light, so there is an advantage that the inside of the container produces the effect of light like spring water. .
- the fluorescent agent used for preparing the fluorescent expanded particles is not particularly limited, and any known fluorescent agent can be used.
- the fluorescent agent is used as the fluorescent agent.
- the trade name "Luminova Shaku” Nemoto Specialty Chemicals was used. This is aluminate Adding a rare earth element activator with a salt compound (Sr Al 0: Eu, Dy) as the main component
- the phosphorescent used for preparing the phosphorescent expanded particles is not particularly limited, and any known phosphorescent can be used.
- any known phosphorescent can be used.
- Japanese Patent Application Laid-Open No. 7-11250 Luminescent phosphors disclosed in Japanese Unexamined Patent Publication Nos. Hei 7-324186, Hei 8-127772, and Hei 7-13028 can be preferably exemplified. This is because the basic structure is MAI O (M is at least selected from the group consisting of calcium, strontium, norium)
- the shape of the container body is not particularly limited, and may be, for example, any shape such as a cylindrical shape and an oval shape. May be of a free-standing type or a supported type which is supported to another member via a suitable joint or connector. Further, the upper region and the lower region of the container body can be separated, and the upper region of the container is sealed with a net at the fitting opening end with the lower region of the container in a state where the photocatalyst expanded particles are stored. Therefore, it is also possible to adopt a form in which the cartridge is exchangeable and the exchange of the photocatalyst foam is facilitated.
- the inner surface of the container can be subjected to an ultraviolet ray preventing coating treatment, if necessary. As a result, the leakage of the ultraviolet rays emitted from the LED to the outside of the container can be reduced.
- a filter member for preventing foaming of photocatalyst foam particles may be disposed near the top or the side of the inside of the container. Noh. In the upper region of the container containing the photocatalyst foam, there is an exhaust port on the surface. By arranging a filter member in this manner, the container for the photocatalyst foam particles during operation or transportation is provided. Jumping out can be prevented.
- the photocatalyst is a composition for photocatalyst coating, and a mineral powder which emits far infrared rays or negative ions! /, Or both, or both per 100 mL, is 0.1 mg to 5 g. Used in the ratio of.
- compositions for photocatalytic coating include titania, zirconia, zinc oxide, tin oxide, cerium oxide, antimony oxide, tin-doped indium oxide (ITO), antimony-doped tin oxide (AT0), It is characterized in that it has a group strength of zinc-doped indium oxide (IZO), aluminum-doped zinc oxide (AZO), and fluorine-doped tin oxide (FTO).
- the surface of the photocatalyst is partially coated with a ceramic which is inert as a photocatalyst, and the ceramic is any of apatite, silica, activated carbon, activated alumina or porous glass. It can be said that it is a feature.
- metal oxides including tin oxide, zinc oxide, vanadium oxide, bismuth trioxide, tungsten trioxide, ferric oxide, strontium titanate, and cadmium sulfate. Any one or more of the above may be added at a rate of 0.5 mg to 5 g, and the phosphorescent compound at a rate of 0.1 mg to 5 g. These components were coated on the foam with an inorganic binder as described above.
- the fluorescent agent used had a peak wavelength of 4 lOnm for blue fluorescence.
- the luminous agent used was a blue fluorescent lamp that emitted 1,000 lux for 30 minutes with a white fluorescent lamp, had a luminance of 200 mCd / m 2 two minutes after the irradiation was stopped, and had an emission peak of 470 nm.
- reference numeral 1 denotes a transparent cylindrical container
- the cylindrical container 1 has a plurality of ventilation holes 2 serving as suction ports in a lower region, and a fan for air blowing is provided at a substantially central portion in the axial direction of the container.
- a ventilation net 4 is provided above the fan 3 to partition the inside of the container up and down, and the area above the container 1 above the net 4 is used to exhaust air to the side and top of the container.
- the floating foam particles 7 are stored in the upper region of the cylindrical container 1.
- Floating foam particles 7 are visible light photocatalyst foam particles in which the surface layer is formed by exposing the visible light photocatalyst particles via a binder to the surface of the core material, which also has a foam strength. It is a mixture of fluorescent foam particles coated with a fluorescent material that emits light upon receiving ultraviolet light, and light-emitting foam particles coated with a light-storing material that emits light by storing ultraviolet light in floating foam particles that are also foamable. .
- a plurality of ultraviolet light emitting diodes 5a are arranged on the bottom surface (back surface) of the net 4, and a plurality of ultraviolet light emitting diodes 5b are arranged on the bottom side of the net 4 from the center thereof. 9 is erected downward (toward the fan), and is also provided on the cylindrical wall surface la of the container 1 at a position between the arrangement position of the fan 6 and the arrangement position of the net 4. V, and a plurality of ultraviolet light emitting diodes 5c are arranged.
- reference numeral 8 denotes a dust filter provided in the ventilation hole 2.
- FIG. 4 is a circuit diagram showing a configuration of an LED electric circuit having a plurality of ultraviolet light emitting diodes 5a provided on the bottom surface of the net 4 described above.
- the electric circuit 13a is formed such that a semicircular circuit portion in which three diodes 5a are connected in series as one unit is axisymmetric with respect to the bottom center line C. Each of them is arranged in a circle by combining two of them, and the one arranged in a circle has a form in which the two are arranged in the same circle. Therefore, the three diodes in each semicircular arc are arranged in a mirror image with the orientation of the anode and cathode with respect to the bottom center line C.
- the LED electric circuit configuration having the plurality of ultraviolet light emitting diodes 5a provided on the bottom surface of the net 4 described above is replaced with another circuit shown in FIG. 5 instead of the one shown in FIG. It is also possible.
- the electric circuit 13b includes a semi-circular circuit portion in which three diodes are connected in series as one unit as in the example shown in FIG. The two are arranged in a circle so that they are symmetrical with respect to the center, and these are arranged in a circle.
- the ultraviolet LED 5a is arranged at the most central circuit portion
- the purple LED 11 is arranged at the outer circuit portion
- the blue LED 12 is arranged at the outermost circuit portion.
- the three diodes of each semicircular arc-shaped circuit part are arranged in a mirror image with the orientation of the anode and cathode with respect to the bottom center line C.
- FIG. 6 is a plan view showing the configuration of the LED tower 9 erected on the bottom surface of the net 4. As shown, a plurality of ultraviolet light emitting diodes 5b provided on the tower 9 are 9 are uniformly distributed so as to be separated at substantially equal intervals in the circumferential direction and the height direction.
- FIG. 7 is a circuit diagram showing a configuration of an LED electric circuit having a plurality of ultraviolet light emitting diodes 5c provided on the wall surface of the container. As shown in the figure, a plurality of ultraviolet light emitting diodes 5c provided on the container wall are also uniformly distributed so as to be substantially equally spaced in the circumferential direction of the container 1 and in a height direction of a predetermined range. I have.
- the air purifier is installed on the floating foam particles 7 by the fan 3 that blows air toward the floating foam particles 7.
- the indoor air can be circulated, and the air-purifying effect of the floating foam particles 7 can be further enhanced.
- the air purifier when the floating foam particles 7 are irradiated with ultraviolet rays from the plurality of ultraviolet LEDs 5a, 5b, and 5c, the air bubbles are generated by the visible light photocatalysis of the floating foam particles 7. Is also cleaned, and the fluorescent foam particles and the phosphorescent foam particles also emit a unique fluorescent color when irradiated with ultraviolet light, so they play a role as a second light source, so the activation of the visible light photocatalyst is amplified. I do.
- UV LEDs 5a, 5b, and 5c Mitsubishi Cable Corporation, product number MC382WL035, outer diameter 5 mm, peak wavelength 380 nm, light output 2 mW, and current 20 mA were used.
- SM5H15A-VP manufactured by SM Company and an outer diameter of 5 mm were used as the purple LED11
- NSPB510S manufactured by Nichia Corporation and an outer diameter of 5 mm were used as the blue LED12.
- Photocatalytic reaction of anatase-type and bucharette-type titanium dioxide is caused by ultraviolet LED, and zinc oxide mainly produces peak waveforms at around 380nm, 430nm, and 530nm, and the photocatalyst reacts up to the region of blue LED light. Therefore, the polluted air can be efficiently purified.
- the odorous gas, toxic gas, and fine particle force in the air passing through the floating foamed particles 7 were absorbed to the apatite, which is the core material of the floating foamed particles 7, The air is purified by being decomposed and removed by the photocatalyst.
- the fluorescent foam particles 7a and the phosphorescent foam particles 7b emit light in their own fluorescent colors upon being irradiated with ultraviolet light.
- the air purifier can also serve as interior lighting.
- FIG. 3 shows a perspective view of a demonstration air cleaner pursuing the first embodiment of the present invention.
- the air purifier 1 is placed in a rugby ball-shaped container 20 so that the state of decomposing odors such as ammonia can be observed on a monitor screen of a personal computer (not shown). .
- the air purifying apparatus according to the present invention was housed in this container, and an odor measuring device was connected to an E-NOSE manufactured by Futaba Elect Mouth-Tas Co., Ltd. to measure odor.
- the results are shown in Figs. 8A, 8B and 9
- test conditions at this time were as follows.
- Photocatalyst coating liquid used for foamed photocatalyst Jointly developed product of Cima Electronics Co., Ltd. and Sink Ace
- FIG. 8A is a graph for ethyl acetate
- FIG. 9 is a graph for ammonia
- FIG. 10 is a graph for xylene.
- "odor intensity" is an index determined by the manufacturer of the odor measuring instrument, and is different from the general odor unit.
- ammonia was 45 ppm in ammonia at "odor intensity” 2000, and 80 ppm in 80 200 ppm in ethanol acid strength S “strength of smell” 10200.
- "Odor intensity” was 700, 2.5 ppm.
- the air purifier was operated under normal conditions, that is, the LED was turned on for a certain period of time (about 1 hour), then put in a rugby ball-shaped container and the LED was turned off. The same test was carried out in the state (the fan was running), and the presence or absence of the cleaning effect due to the afterglow effect of the fluorescent foaming particles / the luminous foaming particles was examined. The results obtained are shown in FIG. 8B.
- FIG. 11 is a front view of a desk-type air purifier as another example of the air purifier according to the present invention
- FIG. 12 is a cross-sectional view of the air purifier taken along line AA.
- reference numeral 21 denotes an egg-shaped container.
- the egg-shaped container 21 has a plurality of air inlets 22 formed in a lower region, a fan 23 for air blowing is provided in a central portion, and an upper portion of the fan 23 is provided.
- a gas permeable net 24 for dividing the inside of the container up and down is provided, and a plurality of light emitting diodes 25 for irradiating blue or violet visible light are arranged on the net 24, and an exhaust gas is provided in an upper region of the container.
- a plurality of exhaust holes 26 In the upper region of the egg-shaped container 21, floating foam particles 27 are stored.
- the floating expanded particles 27 are visible light photocatalyst expanded particles in which the surface layer is formed by exposing the visible light photocatalyst particles to the surface of the core material which also has a foaming force via a binder, and the core material which also has the foaming force purple on the outer periphery.
- the light emitting diode 25 has a semicircular circuit portion in which three diodes are connected in series as one unit so as to be symmetric with respect to the bottom center line C. Each of them is arranged in a circle by combining two of them, and furthermore, those arranged in a circle have the form of being arranged in the same circle and doubly arranged. Therefore, the three diodes of each semi-circular circuit part are arranged in the mirror image with the orientation of the anode and cathode with respect to the bottom center line C.
- the wiring is fixed on the net 24 via a resin without using a base. Thereby, the resistance of the air from the fan can be minimized.
- the floating foam particles 27 are applied to the floating foam particles 27 by the fan 23 that blows air toward the floating foam particles 27.
- the air in the room where the air purifier is installed is circulated, the air in the room is circulated, and the air cleaning effect by the floating foam particles 7 can be further enhanced.
- the floating foam particles 7 when the floating foam particles 7 are irradiated with purple and blue rays from the plurality of light emitting diodes 25, the floating foam particles 7 are catalyzed by visible light photocatalysis. As the air is cleaned, the fluorescent foam particles and the phosphorescent foam particles also emit a unique fluorescent color when irradiated with ultraviolet light, so that the air purifier can also serve as interior lighting.
- FIG. 13 is a perspective view of an air purifier for a vehicle, which is another example of the air purifier according to the present invention
- FIG. 14 is a cross-sectional view of the air purifier taken along line BB.
- the air purifier of the third embodiment has basically the same structure as that of the second embodiment, and is fixed with clips using fins of an exhaust port provided on a dashboard of an automobile.
- reference numeral 31 denotes an egg-shaped container, which is provided above the fan 33 with an air-permeable net 34 for partitioning the inside of the container into upper and lower portions, on which a plurality of blue or purple visible light rays are irradiated.
- the light emitting diode 35 is disposed, and a plurality of exhaust holes 36 for exhaust are provided in an upper region of the container.
- floating foam particles 37 are stored.
- reference numeral 38 denotes a fixing clip portion provided extending from the container 31 to the side surface thereof.
- the floating expanded particles 37 are visible light photocatalyst expanded particles in which the surface layer is formed by exposing the visible light photocatalyst particles to the surface of a core material which also has a foamed force via a binder, A fluorescent material that emits light upon receiving the light of the purple LED and fluorescent foam particles coated with titanium dioxide and a phosphorescent material that emits light by receiving the light of the purple LED on floating foam particles that are also foamed. It is formed by mixing luminous expanded particles coated with titanium dioxide.
- the semi-circular circuit portion in which three diodes are connected in series as one unit is formed so as to be axisymmetric with respect to the bottom center line C.
- Each of them is arranged in a circle by combining two of them, and furthermore, those arranged in a circle have the form of being arranged in the same circle and doubly arranged. Therefore, the three diodes of each semi-circular circuit part are arranged in the mirror image with the orientation of the anode and cathode with respect to the bottom center line C.
- the wiring is fixed on the net 34 via a resin without using a base. Thereby, the resistance of the air from the fan can be minimized.
- the indoor air is circulated through the floating foam particles 37 by the fan 33 that blows air toward the floating foam particles 37, and the air cleaning effect of the floating foam particles 37 can be further enhanced.
- the air purifier configured as described above, when the floating foam particles 37 are irradiated with purple and blue rays from the plurality of light emitting diodes 35, the air is purified by the visible light photocatalytic action of the floating foam particles 37, and Also, since the fluorescent foam particles and the phosphorescent foam particles emit ultraviolet light and emit a unique fluorescent color, the air purifier can also serve as interior lighting.
- FIG. 15 is an exploded perspective view of a desk-type air purifier which is another example of the air purifier according to the present invention.
- the air purifier of Example 4 has basically the same structure as that of Example 2, except that the egg-shaped container can be divided into upper and lower parts, and the upper part thereof is replaceable. Except for being a cartridge, the structure is basically the same as that of the second embodiment.
- reference numeral 41 denotes an egg-shaped container.
- a gas-permeable net 44 is provided above the fan 43 to partition the inside of the container up and down. It is divided into a member 41a and a lower member 41b.
- the upper member 41a and the lower member 41b The fitting portion is formed with appropriate joining means such as a crank groove and a fitting pin, a screw groove, an o-ring, etc., and is configured to be easily separated and coupled.
- a plurality of light emitting diodes 45 for irradiating blue or purple visible light are arranged, and a plurality of exhaust holes 46 for exhaust are provided in an upper region of the container.
- the upper member 41a of the container in which floating foam particles (not shown) are stored, is sealed with the net 48 at the opening end fitting to the lower region of the container to form a replaceable cartridge. ing.
- the air purifier of the present invention it is possible to efficiently irradiate the photocatalyst foaming particles arranged in the container with excitation light having a LED force, so that it can be used indoors, toilets, kitchens, and laboratories. As a result, the odors in the interior of the vehicle can be quickly decomposed to provide a comfortable living environment.
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Cited By (10)
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JP2009521282A (ja) * | 2005-12-23 | 2009-06-04 | ユニバーシティ オブ ノース ダコタ | 光触媒流動床式空気清浄機 |
CN101865444A (zh) * | 2010-06-18 | 2010-10-20 | 佐贺光触媒环保科技(大连)有限公司 | Led光触媒空气净化灯 |
EP2322231A1 (fr) * | 2009-11-17 | 2011-05-18 | Photosil Sarl | Appareils de traitement de l'air interieur par photocatalyse |
WO2014097089A1 (en) * | 2012-12-19 | 2014-06-26 | Koninklijke Philips N.V. | A lighting unit and a luminaire for illumination and for purifying air |
CN104422037A (zh) * | 2013-09-05 | 2015-03-18 | 首尔伟傲世有限公司 | 利用紫外线的空气净化装置 |
JP2016138015A (ja) * | 2015-01-28 | 2016-08-04 | パウダーテック株式会社 | 外殻構造を有する触媒担持体用フェライト粒子 |
JP2016530918A (ja) * | 2012-07-27 | 2016-10-06 | ディ. クロスニィー マーク | 空気殺菌及び消毒装置 |
JP2020168393A (ja) * | 2014-12-25 | 2020-10-15 | 株式会社Nano Wave | 小型空気浄化装置 |
TWI763241B (zh) * | 2021-01-07 | 2022-05-01 | 鼎信傳能股份有限公司 | 可分離式紫外光滅菌模組 |
KR20230115356A (ko) * | 2022-01-26 | 2023-08-03 | 주식회사 랩엠제로 | 가시광촉매를 이용한 공기 살균기 |
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JP2009521282A (ja) * | 2005-12-23 | 2009-06-04 | ユニバーシティ オブ ノース ダコタ | 光触媒流動床式空気清浄機 |
EP2322231A1 (fr) * | 2009-11-17 | 2011-05-18 | Photosil Sarl | Appareils de traitement de l'air interieur par photocatalyse |
FR2952541A1 (fr) * | 2009-11-17 | 2011-05-20 | Photosil | Appareils de traitement de l'air interieur par photocatalyse, de haute efficacite, de tres faible perte de charge et sans entretien |
CN101865444A (zh) * | 2010-06-18 | 2010-10-20 | 佐贺光触媒环保科技(大连)有限公司 | Led光触媒空气净化灯 |
JP2016530918A (ja) * | 2012-07-27 | 2016-10-06 | ディ. クロスニィー マーク | 空気殺菌及び消毒装置 |
WO2014097089A1 (en) * | 2012-12-19 | 2014-06-26 | Koninklijke Philips N.V. | A lighting unit and a luminaire for illumination and for purifying air |
CN104422037B (zh) * | 2013-09-05 | 2019-08-16 | 首尔伟傲世有限公司 | 利用紫外线的空气净化装置 |
US12076466B2 (en) | 2013-09-05 | 2024-09-03 | Seoul Viosys Co., Ltd. | Air purifier using ultraviolet rays |
CN104422037A (zh) * | 2013-09-05 | 2015-03-18 | 首尔伟傲世有限公司 | 利用紫外线的空气净化装置 |
JP7010999B2 (ja) | 2014-12-25 | 2022-02-10 | 株式会社Nano Wave | 小型空気浄化装置 |
JP2020168393A (ja) * | 2014-12-25 | 2020-10-15 | 株式会社Nano Wave | 小型空気浄化装置 |
KR20170108000A (ko) * | 2015-01-28 | 2017-09-26 | 파우더테크 컴퍼니 리미티드 | 외각 구조를 가지는 촉매 담지체용 페라이트 입자 |
US10258970B2 (en) | 2015-01-28 | 2019-04-16 | Powdertech Co., Ltd. | Ferrite particles provided with outer shell structure for catalyst supporting medium |
JP2016138015A (ja) * | 2015-01-28 | 2016-08-04 | パウダーテック株式会社 | 外殻構造を有する触媒担持体用フェライト粒子 |
KR102457216B1 (ko) | 2015-01-28 | 2022-10-19 | 파우더테크 컴퍼니 리미티드 | 외각 구조를 가지는 촉매 담지체용 페라이트 입자 |
WO2016121743A1 (ja) * | 2015-01-28 | 2016-08-04 | パウダーテック株式会社 | 外殻構造を有する触媒担持体用フェライト粒子 |
TWI763241B (zh) * | 2021-01-07 | 2022-05-01 | 鼎信傳能股份有限公司 | 可分離式紫外光滅菌模組 |
KR20230115356A (ko) * | 2022-01-26 | 2023-08-03 | 주식회사 랩엠제로 | 가시광촉매를 이용한 공기 살균기 |
KR102674727B1 (ko) | 2022-01-26 | 2024-06-13 | 주식회사 랩엠제로 | 가시광촉매를 이용한 공기 살균기 |
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JPWO2005067985A1 (ja) | 2007-12-27 |
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