CN113441278B - Particulate matter collecting structure and electrostatic dust collection device - Google Patents
Particulate matter collecting structure and electrostatic dust collection device Download PDFInfo
- Publication number
- CN113441278B CN113441278B CN202110733699.2A CN202110733699A CN113441278B CN 113441278 B CN113441278 B CN 113441278B CN 202110733699 A CN202110733699 A CN 202110733699A CN 113441278 B CN113441278 B CN 113441278B
- Authority
- CN
- China
- Prior art keywords
- electrode plate
- potential electrode
- low
- particulate matter
- insulating layer
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
- 239000000428 dust Substances 0.000 title claims abstract description 26
- 239000013618 particulate matter Substances 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 44
- 239000002245 particle Substances 0.000 claims abstract description 35
- 230000005684 electric field Effects 0.000 claims abstract description 11
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 10
- 230000001699 photocatalysis Effects 0.000 claims description 20
- 229910052724 xenon Inorganic materials 0.000 claims description 19
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims description 19
- 230000005284 excitation Effects 0.000 claims description 18
- 239000011258 core-shell material Substances 0.000 claims description 14
- 244000005700 microbiome Species 0.000 claims description 10
- 230000006698 induction Effects 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 8
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 7
- 229920000642 polymer Polymers 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 6
- 229910044991 metal oxide Inorganic materials 0.000 claims description 6
- 150000004706 metal oxides Chemical class 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 239000010409 thin film Substances 0.000 claims description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 5
- 235000005811 Viola adunca Nutrition 0.000 claims description 4
- 240000009038 Viola odorata Species 0.000 claims description 4
- 235000013487 Viola odorata Nutrition 0.000 claims description 4
- 235000002254 Viola papilionacea Nutrition 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 4
- 239000012780 transparent material Substances 0.000 claims description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052787 antimony Inorganic materials 0.000 claims description 3
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 3
- 238000003491 array Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- 229910003437 indium oxide Inorganic materials 0.000 claims description 3
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 claims description 3
- 229920000767 polyaniline Polymers 0.000 claims description 3
- 229920000123 polythiophene Polymers 0.000 claims description 3
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 3
- 229910001887 tin oxide Inorganic materials 0.000 claims description 3
- 238000002834 transmittance Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000001954 sterilising effect Effects 0.000 abstract description 3
- 239000011152 fibreglass Substances 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 10
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 6
- 241000700605 Viruses Species 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 238000004887 air purification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000030833 cell death Effects 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 230000005686 electrostatic field Effects 0.000 description 1
- 238000005421 electrostatic potential Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000013032 photocatalytic reaction Methods 0.000 description 1
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 210000003296 saliva Anatomy 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 150000003746 yttrium Chemical class 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/017—Combinations of electrostatic separation with other processes, not otherwise provided for
-
- 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
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/08—Radiation
- A61L2/10—Ultraviolet radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/40—Electrode constructions
- B03C3/41—Ionising-electrodes
- B03C3/43—Ionising-electrodes radioactive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/40—Electrode constructions
- B03C3/45—Collecting-electrodes
- B03C3/47—Collecting-electrodes flat, e.g. plates, discs, gratings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C2201/00—Details of magnetic or electrostatic separation
- B03C2201/06—Ionising electrode being a needle
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Electrostatic Separation (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention provides a particulate matter collecting structure and an electrostatic dust collector, which comprise a high-potential electrode plate and a low-potential electrode plate, wherein the high-potential electrode plate and the low-potential electrode plate respectively comprise a transparent electrode plate body, at least one of the high-potential electrode plate and the low-potential electrode plate comprises an insulating layer structure, the insulating layer structure is coated outside the transparent electrode plate body, the high-potential electrode plate and the low-potential electrode plate are vertically arranged, a trapping electric field is formed between the adjacent high-potential electrode plate and the low-potential electrode plate after electrification, UCNPs (crown fiber glass) material is adhered to the outer surface of the transparent insulating layer structure, and the UCNPs material can convert visible light with the wavelength range of 380 nm-780 nm into ultraviolet light with the wavelength of less than 380 nm. The particle collecting device has the advantage that the particle collecting structure can be irradiated by the external light source to play a role in sterilization.
Description
Technical Field
The invention belongs to the field of electrostatic dust collection devices, and particularly relates to a particulate matter collection structure and an electrostatic dust collection device.
Background
The electrostatic dust collector comprises a charged structure and a particulate matter collecting structure, when air flow passes through the charged structure, fine particulate matters contained in the air flow are charged, the particulate matter collecting structure adopts high-low voltage electrode plates to be arranged in a cross mode to form a plurality of parallel electric fields, the fine particulate matters of the charged air flow are affected by the action of coulomb force when passing through the parallel electric fields, the running track deviates to the electrode plates of opposite charges, and the fine particulate matters are deposited on the surfaces of the electrode plates to achieve the purpose of purifying air. In the prior art, in order to improve the electric field intensity between the electrode plates, the electrode plates are coated by insulating dielectric materials, so that the electric field intensity can be further improved, and meanwhile, the ignition breakdown is not generated. For example, the chinese invention application with publication number CN110479488a provides an electrostatic dust collector, which includes at least two electrostatic dust collecting sheets stacked together and at least one insulating line layer, wherein the insulating line layer is sandwiched between two adjacent electrostatic dust collecting sheets; the two electrostatic dust collecting pieces positioned on the two sides of the insulating wire layer are respectively connected with the positive electrode and the negative electrode of a power supply.
The particles in the air comprise bacteria, mould, fungi, microbial cells, saliva droplets, viruses and the like, and the metabolism electric conduction signals of the trapped microbes are inhibited in a high-voltage electric field environment, so that the microbes can enter a dormant state or die; different microorganisms, particularly viruses, have different tolerance capabilities, and the survival rate in the host environment is hardly influenced by the high-voltage electric field.
The problems of the prior art include: the non-conducting property of the insulating layer enables the charges of the collected particles not to be released, accumulated electrostatic potential is generated, and the electric field intensity between the electrode plates is reduced, so that the electrostatic dust collection device fails, even the adsorbed particles are released for the second time, and secondary air pollution is caused; ultraviolet rays with short wavelength, especially ultraviolet rays with the wavelength of 220-280 nm in UVC wave band can destroy the molecular structure of DNA or RNA in bacteria and viruses to cause growth cell death or regeneration cell death, so that the effect of sterilization and disinfection is achieved.
Therefore, the prior art is in need of improvement.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the ultraviolet lamp can not be adopted to carry out external irradiation sterilization and disinfection on the electrostatic dust collecting device.
In order to achieve the purpose, the specific technical scheme of the invention is as follows:
the utility model provides a particulate matter collection structure, includes high potential electrode board and low potential electrode board, high potential electrode board with the low potential electrode board all includes transparent electrode board body in high potential electrode board and the low potential electrode board at least high potential electrode board includes the insulating layer structure, the insulating layer structure cladding is in this external transparent electrode board, high potential electrode board with the vertical range setting of low potential electrode board, it is adjacent after the circular telegram high potential electrode board with be formed with the entrapment electric field between the low potential electrode board, the surface of transparent insulating layer structure is stained with UCNPs material, UCNPs material can convert the visible light of wavelength range 380nm ~ 780nm into the ultraviolet ray of wavelength <380 nm.
As a further improvement of the above technical solution, a photocatalytic material is adhered to an outer surface of the transparent insulating layer structure, and the photocatalytic material can generate hydroxyl radicals under the action of ultraviolet light.
As a further improvement of the above technical solution, the UCNPs material and the photocatalytic material form a core-shell structure, the core part of the core-shell structure is UCNPs, the outer layer of the core-shell structure is the photocatalytic material, and the photocatalytic material is nano titanium dioxide.
As a further improvement of the above technical solution, the apparatus further comprises an excitation light source, the excitation light source can release visible light after being electrified, and the excitation light source is arranged towards the high potential electrode plate or/and the low potential electrode plate.
As a further improvement of the technical scheme, the excitation light source can release blue-violet light with the wavelength of 380-500 nm after being electrified, and the excitation light source is an LED light-emitting diode, an LED thin-film light-emitting device or an OLED thin-film light-emitting device.
As a further improvement of the above technical solution, the transparent electrode plate body is made by mixing one or more of graphene, conductive metal oxide and polymer conductive material with glue and then printing or printing; the conductive metal oxide is one or a mixture of indium oxide or antimony doped tin oxide, and the high polymer conductive material is one or a mixture of polyaniline or polythiophene.
As a further improvement of the technical scheme, the material of the transparent insulating layer structure is a high polymer transparent material with visible light transmittance of more than 80%, dielectric constant of more than 2.8 and flame retardant grade of more than UL 94-V2.
As a further improvement of the above technical solution, the material of the transparent insulating layer structure is polycarbonate.
An electrostatic dust collection device comprises the particle collection structure, a charged structure and a shell, wherein the particle collection structure and the charged structure are connected with the shell.
As a further improvement of the above technical solution, the charging structure comprises a support, more than one discharge needle and more than two inductive electrodes; the spray point is located the front side of structure is collected to the particulate matter or with transparent electrode board body electricity is connected, the needle point of spray point sets up forward, the support is located the front side of spray point, the support includes the cage form unit frame that two above arrays were laid, adjacent cage form unit frame interconnect, cage form unit frame with the spray point corresponds the setting around one, cage form unit frame includes the arc spliced pole more than two, the induction electrode with the arc spliced pole is connected.
As a further improvement of the above technical solution, the particle collector further comprises an external projection light source connected to the housing, the external projection light source is disposed on the surface of the particle collection structure, the external projection light source comprises a parabolic reflector and a pulse xenon lamp, the pulse xenon lamp is disposed at a focus of the parabolic reflector, the pulse xenon lamp can release light with a wavelength of 200-1100 nm, and the light of the pulse xenon lamp can be projected to the rear or front of the high potential electrode plate and the rear or front of the low potential electrode plate.
Through the implementation of the technical scheme, the THK structure particulate matter and microorganism Trapping and killing device with the Trapping (T, trapping), locking (H, hold) and killing (K, kill) functions integrated can be realized.
The invention has the beneficial effects that: the high potential electrode plate and/or the UCNPs material adhered to the low potential electrode plate can kill microorganisms on the high potential electrode plate and/or the low potential electrode plate under the irradiation of visible light, and the light source irradiation particle collection structure can be used for playing a role in sterilization and disinfection through the peripheral device, so that secondary release of polluted air by particles collected by the electrostatic dust collection device is avoided, and the device is suitable for air purification of indoor and ventilation systems and purification requirements of hospital sensing prevention and control systems on microorganisms.
Drawings
FIG. 1 is a schematic view of a particulate collection structure of the present invention;
FIG. 2 is a schematic view of a stent of the present invention;
fig. 3 is a schematic view of an electrostatic dust collector of the present invention.
In the figure: 2-a particle collection structure, 21-a high-potential electrode plate, 22-a low-potential electrode plate, 25-a transparent insulation layer structure, 26-a transparent electrode plate body, 23-a core-shell structure, 24-an excitation light source, 3-a charge structure, 31-a support, 311-a cage-shaped unit frame, 32-a discharge needle, 33-an induction electrode, a 4-a parabolic reflector and a 5-a pulse xenon lamp.
Detailed Description
The invention is described in detail below with reference to specific embodiments.
Referring to fig. 1, there is shown an embodiment of a particulate collection structure 2 of the present invention, specifically:
the utility model provides a particulate matter collection structure 2, includes high potential electrode board 21 and low potential electrode board 22, high potential electrode board 21 and low potential electrode board 22 all include transparent electrode board body 26, in high potential electrode board 21 and low potential electrode board 22 at least high potential electrode board 21 includes insulating layer structure 25, and insulating layer structure 25 cladding is in outside the transparent electrode board body 26, high potential electrode board 21 and the vertical range setting of low potential electrode board 22, be formed with the entrapment electric field between adjacent high potential electrode board 21 and the low potential electrode board 22, be stained with UCNPs material on transparent insulating layer structure 25's the surface, UCNPs material can convert the visible light of wavelength range 380nm ~ 780nm into the ultraviolet ray of wavelength <380 nm.
Among them, UCNPs (Up Conversion NanoParticles) material is a crystalline material that can convert long wavelength light into short wavelength light. For example, yttrium salt or oxide modified by rare earth element praseodymium can convert visible light with the wavelength of 400-500 nm into ultraviolet light with the wavelength of 240-360 nm, and the ultraviolet light with the wavelength of 240-360 nm can directly kill microorganisms and can excite the photocatalytic material. The invention has the advantages that the UCNPs material adhered on the transparent insulating layer structure 25 can kill the microorganisms on the transparent insulating layer structure 25 under the irradiation of visible light, and the particle collection structure 2 can be irradiated by an external visible light source to play the role of sterilization and disinfection, thereby preventing the particles collected by the electrostatic dust collection device from secondarily releasing polluted air, and being suitable for the air purification of indoor and ventilation systems and the purification requirements of hospital sensing prevention and control systems on the microorganisms. An insulating plate connected to both the high potential electrode plate 21 and the low potential electrode plate 22 may be disposed between the high potential electrode plate 21 and the low potential electrode plate 22 to adhere the UCNPs material, or the UCNPs material may be directly coated on the surfaces of the high potential electrode plate 21 and the low potential electrode plate 22.
In a further preferred embodiment, a photocatalytic material is adhered to the outer surface of the transparent insulating layer structure 25, and the photocatalytic material is capable of generating hydroxyl radicals under the action of ultraviolet light. The UCNPs convert visible light into ultraviolet light with short wavelength to excite the photocatalytic material to generate hydroxyl free radicals, or the visible light directly excites the photocatalytic material to generate the hydroxyl free radicals, the hydroxyl free radicals are compounds with oxidation performance second to that of fluorine in nature, can generate oxidation reaction with any organic molecule, and further play a role in sterilization and disinfection.
Furthermore, the UCNPs material and the photocatalytic material form a core-shell structure 23, the core part of the core-shell structure 23 is UCNPs, the outer layer of the core-shell structure 23 is the photocatalytic material, and the photocatalytic material is nano titanium dioxide. The nano titanium dioxide material is a transparent material, visible light passes through the nano titanium dioxide on the outer layer of the core-shell structure 23 and then irradiates on the UCNPs, and the UCNPs convert the visible light into ultraviolet light with short wavelength so as to excite the nano titanium dioxide material to generate hydroxyl radicals. For example, anatase crystal type nano titanium dioxide particles with good chemical inertness can generate a photocatalytic reaction when irradiated by light with the wavelength of less than 387.5 nm. The particle collection structure 2 in the embodiment of the invention can be prepared by coating a TiO2 layer on the surface of UCNPs particles by using a sol-gel method, a hydrothermal method and other methods in the prior art, sintering the UCNPs particles to convert the UCNPs particles into anatase titanium dioxide, obtaining core-shell structure 23 particles, dispersing the core-shell structure 23 particles into a solvent containing organic silicon resin, and coating the core-shell structure 23 particles with a coating on a high-potential electrode plate 21 and a low-potential electrode plate 22.
In a preferred embodiment, the apparatus further includes an excitation light source 24, the excitation light source 24 is electrically connected to the transparent electrode plate body 26, the excitation light source 24 can emit visible light after being powered on, and the excitation light source 24 is disposed toward the high-potential electrode plate 21 or/and the low-potential electrode plate 22. The excitation light source 24 is used for emitting visible light sources to irradiate UCNPs, so that the purpose of disinfection and sterilization can be achieved without depending on external visible light sources. Further, the excitation light source 24 can release blue-violet light with a wavelength of 380-500 nm after being electrified, and the excitation light source 24 is an LED light emitting diode, an LED thin film light emitting device or an OLED thin film light emitting device. The UCNPs have higher efficiency of converting into short wavelength ultraviolet light after absorbing the blue-violet light with the wavelength of 390-460 nm. The LED film light-emitting device or the OLED film light-emitting device has the advantage of small volume, and is beneficial to the miniaturization of the electrostatic dust collection device. The excitation light source can be arranged on a transparent flexible PCB, the PCB is arranged between the high-potential electrode plate and the low-potential electrode plate, or the PCB is arranged beside the high-potential electrode plate and the low-potential electrode plate.
In some embodiments, the transparent electrode plate body 26 is made of one or more of graphene, conductive metal oxide, and polymer conductive material mixed with glue, and then printed or printed; the conductive metal oxide is one or a mixture of indium oxide or antimony doped tin oxide, and the high molecular conductive material is one or a mixture of polyaniline or polythiophene.
In some embodiments, the transparent insulating layer structure 25 is made of a polymer transparent material with a visible light transmittance of >80%, a dielectric constant of >2.8, and a flame retardant rating of > UL 94-V2. Further, the material of the transparent insulating layer structure 25 is polycarbonate.
Referring to fig. 2 to 3, the electrostatic dust collector of the present invention is an embodiment, specifically:
an electrostatic dust collection device comprises the particle collection structure 2, a charging structure 3 and a shell (not shown in the figure), wherein the particle collection structure 2 and the charging structure 3 are both connected with the shell. The charging structure 3 comprises a bracket 31, more than one discharge needle 32 and more than two induction electrodes 33; the discharge needle 32 is located the front side of particulate matter collection structure 2 or be connected with transparent electrode plate body 26 electricity, the needle point of discharge needle 32 sets up forward, the front side of discharge needle 32 is located to support 31, support 31 includes the cage form unit frame 311 that two above arrays laid, adjacent cage form unit frame 311 interconnect, cage form unit frame 311 corresponds the setting with discharge needle 32 one-to-one around, cage form unit frame 311 includes the arc spliced pole more than two, induced electrode 33 is connected with the arc spliced pole. Preferably, the inducing electrodes 33 on the same cage-shaped unit frame 311 are distributed on a spherical surface with the needle tip of one discharge needle 32 as the center of the sphere.
The benefits of this embodiment include: the particle charging efficiency is improved, the migration path of electrons is increased by the induction electrodes 33 distributed in a spherical surface, the probability of collision of particles with ions and electrons is increased, and the particles are charged more easily, particularly, the particles with the particle size of less than 1um, such as cigarette aerosol, microbial viruses and the like. When the airflow flows through the cage-shaped unit frame 311, the airflow is disturbed to form a vortex, the path of the particulate matters in the air in the charging structure 3 is increased, the charging rate and the charging quantity of the particulate matters are improved, meanwhile, the collision and coagulation probability of the particulate matters is improved, the growth of the particulate matters is increased, and large particulate matters are more easily adsorbed by the electrostatic dust collector; meanwhile, the air flow in the tip area of the corona needle is increased, and the increase of the ozone concentration is avoided. Can be satisfying under the prerequisite of designing filtration efficiency, reduce end corona needle emission current and voltage, reduce the excessive ionization of local air, and then reduce ozone generation probability, reduce end plasma's density quantity, avoid too much plasma to get into arouse in the particulate matter collects structure 2 that transparent insulating layer structure 25 surface polarization reduces the particulate matter and collects the effect. The spherical distribution structure of the induction electrode 33 forms a Faraday cage structure, so that the electrostatic field is inhibited from radiating to the outside, the surface of the shell is prevented from being charged to adsorb dust, the surface is kept clean, meanwhile, the electromagnetic radiation of the corona needle can be shielded and reduced, and the electromagnetic compatibility effect is improved. And the safety protection function of avoiding the tip of the corona needle from being touched can be realized.
In some embodiments, the particle collecting device further comprises an external projection light source, the external projection light source is connected with the housing, the external projection light source is arranged on the surface of the particle collecting structure 2, the external projection light source comprises a parabolic reflector 4 and a pulse xenon lamp 5, the pulse xenon lamp 5 is arranged at a focus of the parabolic reflector 4, the pulse xenon lamp 5 can release light with a wavelength ranging from 200 nm to 1100nm, and the light of the pulse xenon lamp 5 can be projected to the rear part or the front part of the high-potential electrode plate 21 and the rear part or the front part of the low-potential electrode plate 22.
Part of the existing pulse xenon lamp 5 can generate strong light with the wavelength ranging from 200 nm to 1100nm, has the characteristics of large instantaneous power and strong penetrating power, can achieve the accumulated irradiation amount required by killing microorganisms only by a plurality of pulses, and greatly lightens the irradiation accumulated damage to the electrostatic dust collection device. The visible light part in the pulse xenon flash lamp can be used for irradiating UCNPs and photocatalytic materials, and plays a role in assisting sterilization. The irradiation of the pulse xenon lamp 5 can cause the irradiated charged surface to generate a light attenuation (light wave) phenomenon, namely under the irradiation of strong light, the titanium dioxide photosensitive material can absorb the ultraviolet wavelength of <387.5nm, light guide voltage and hydroxyl free radicals are generated, surface polarization is eliminated, microorganisms are killed, the high potential electrode plate 21 and the low potential electrode plate 22 are protected, and meanwhile, the visible light part is penetrated. A straight tube type pulse xenon lamp 5 with the outer diameter of 3-10 mm is adopted, the axis part of the straight tube type pulse xenon lamp is arranged at the focus of a parabolic reflector 4, and the particle collection structure 2 is reflected on the surface of the particle collection structure.
The induction electrode 33, the corona needle high-potential electrode plate 21, the low-potential electrode plate 22, the excitation light source 24 and the pulse xenon lamp 5 are respectively connected with corresponding power supplies, and the electrostatic dust collector can work.
The features of the embodiments and embodiments described above may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "length," "upper," "lower," "top," "bottom," "inner," "outer," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and simplicity in description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. The utility model provides a particulate matter collection structure, includes high potential electrode board and low potential electrode board, its characterized in that: the high-potential electrode plate and the low-potential electrode plate both comprise transparent electrode plate bodies, at least the high-potential electrode plate comprises an insulating layer structure, the insulating layer structure is coated outside the transparent electrode plate bodies, the high-potential electrode plate and the low-potential electrode plate are vertically arranged, a trapping electric field is formed between the adjacent high-potential electrode plate and the adjacent low-potential electrode plate after the high-potential electrode plate and the low-potential electrode plate are electrified, UCNPs (ultraviolet fluorescent lamps) materials are adhered to the outer surface of the transparent insulating layer structure, and the UCNPs materials can convert visible light with the wavelength range of 380 nm-780 nm into ultraviolet light with the wavelength of less than 380 nm; a photocatalytic material is adhered to the outer surface of the transparent insulating layer structure, and the photocatalytic material can generate hydroxyl radicals under the action of ultraviolet light; the ultraviolet light with the wavelength of less than 380nm is used for killing microorganisms and simultaneously used for exciting the photocatalytic material to generate the hydroxyl free radicals for sterilization and disinfection.
2. The particulate matter collecting structure according to claim 1, wherein: the UCNPs material and the photocatalytic material form a core-shell structure, the core part of the core-shell structure is UCNPs, the outer layer of the core-shell structure is the photocatalytic material, and the photocatalytic material is nano titanium dioxide.
3. The particulate matter collecting structure according to any one of claims 1 to 2, wherein: the device also comprises an excitation light source which can release visible light after being electrified and is arranged towards the high-potential electrode plate or/and the low-potential electrode plate.
4. The particulate matter collecting structure according to claim 3, wherein: the excitation light source can release blue-violet light with the wavelength of 380-500 nm after being electrified, and the excitation light source is an LED light-emitting diode, an LED thin film light-emitting device or an OLED thin film light-emitting device.
5. The particulate matter collecting structure according to claim 1, wherein: the transparent electrode plate body is made of one or more of graphene, conductive metal oxide and a high-molecular conductive material which are mixed with glue and then printed or printed; the conductive metal oxide is one or a mixture of indium oxide or antimony doped tin oxide, and the high polymer conductive material is one or a mixture of polyaniline or polythiophene.
6. The particulate matter collecting structure according to claim 1, wherein: the transparent insulating layer structure is made of a high polymer transparent material with visible light transmittance of more than 80%, dielectric constant of more than 2.8 and flame retardant grade of more than UL 94-V2.
7. An electrostatic dust collecting apparatus, characterized in that: comprising the particulate collection structure of any one of claims 1-6, further comprising a charging structure and a housing, the particulate collection structure, the charging structure, and the housing being connected to each other.
8. An electrostatic dust collector as claimed in claim 7, wherein: the charge structure comprises a bracket, more than one discharge needle and more than two induction electrodes; the spray point is located the front side of structure is collected to the particulate matter or with transparent electrode board body electricity is connected, the needle point of spray point sets up forward, the support is located the front side of spray point, the support includes the cage form unit frame that two above arrays were laid, adjacent cage form unit frame interconnect, cage form unit frame with the spray point corresponds the setting around one, cage form unit frame includes the arc spliced pole more than two, the induction electrode with the arc spliced pole is connected.
9. The electrostatic dust collector according to claim 7, characterized in that: the particle collecting structure comprises a shell, and is characterized by further comprising an external projection light source, wherein the external projection light source is connected with the shell and arranged on the surface of the particle collecting structure, the external projection light source comprises a parabolic reflector and a pulse xenon lamp, the pulse xenon lamp is arranged at the focus of the parabolic reflector, the pulse xenon lamp can release light rays with the wavelength range of 200-1100 nm, and the light rays of the pulse xenon lamp can be projected to the rear part or the front part of the high-potential electrode plate and the rear part or the front part of the low-potential electrode plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110733699.2A CN113441278B (en) | 2021-06-30 | 2021-06-30 | Particulate matter collecting structure and electrostatic dust collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110733699.2A CN113441278B (en) | 2021-06-30 | 2021-06-30 | Particulate matter collecting structure and electrostatic dust collection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113441278A CN113441278A (en) | 2021-09-28 |
| CN113441278B true CN113441278B (en) | 2022-11-18 |
Family
ID=77814359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110733699.2A Active CN113441278B (en) | 2021-06-30 | 2021-06-30 | Particulate matter collecting structure and electrostatic dust collection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113441278B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014143356A (en) * | 2013-01-25 | 2014-08-07 | Denso Corp | Wavelength conversion material, solar cell module and manufacturing method of wavelength conversion material |
| WO2014200441A1 (en) * | 2013-06-14 | 2014-12-18 | National University Of Singapore | Core-shell fluorescent upconversion nanoparticles for photoactivation of multiple biomolecules |
| CN108795428A (en) * | 2018-06-20 | 2018-11-13 | 中国地质大学（北京） | A kind of anti-fake material and its preparation method and application |
| CN110478483A (en) * | 2019-08-22 | 2019-11-22 | 青岛大学 | Conversion nano probe and preparation method and application on a kind of polychrome |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2517494Y (en) * | 2001-12-30 | 2002-10-23 | 罗和建 | Double-zone superhigh voltage, strong current duster |
| DE102005023521B3 (en) * | 2005-05-21 | 2006-06-29 | Forschungszentrum Karlsruhe Gmbh | Wet electrostatic ionizing step in electrostatic separator of particles from aerosols and gases has thin sheath around through holes in earth plate with nearby electrodes |
| JP2009519819A (en) * | 2005-12-17 | 2009-05-21 | エアーインスペース・ビー．ブイ． | Air purification device |
| GB2468865B (en) * | 2009-03-24 | 2014-04-16 | Tri Air Developments Ltd | Improved air decontamination device |
| US9630172B2 (en) * | 2013-07-03 | 2017-04-25 | Gwangju Institute Of Science And Technology | Photocatalyst complex |
| CN204294362U (en) * | 2014-11-25 | 2015-04-29 | 无锡职业技术学院 | Numerically controlled lathe electrostatic oil gas purifier |
| CN108097465A (en) * | 2017-12-11 | 2018-06-01 | 东莞市宇洁新材料有限公司 | A kind of charged module of integration particulate matter and its manufacturing method |
| CN108144750A (en) * | 2017-12-28 | 2018-06-12 | 东莞市宇洁新材料有限公司 | A kind of charged module of particulate matter and electrostatic dust-collecting device |
| CN109261360A (en) * | 2018-08-21 | 2019-01-25 | 北京理工大学 | A kind of netted electrostatic demisting captation |
| CN113366198B (en) * | 2018-10-22 | 2023-08-15 | 上海必修福企业管理有限公司 | Engine emission treatment system and method |
| US20200269255A1 (en) * | 2019-02-26 | 2020-08-27 | Rice Ear Ltd | Air purifier and improvement of air-purifying performance |
| CN111389589A (en) * | 2020-02-28 | 2020-07-10 | 悠飞(广东顺德)环境科技有限公司 | Trapping, killing and desensitizing module for fine particulate pollution source |
-
2021
- 2021-06-30 CN CN202110733699.2A patent/CN113441278B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014143356A (en) * | 2013-01-25 | 2014-08-07 | Denso Corp | Wavelength conversion material, solar cell module and manufacturing method of wavelength conversion material |
| WO2014200441A1 (en) * | 2013-06-14 | 2014-12-18 | National University Of Singapore | Core-shell fluorescent upconversion nanoparticles for photoactivation of multiple biomolecules |
| CN108795428A (en) * | 2018-06-20 | 2018-11-13 | 中国地质大学（北京） | A kind of anti-fake material and its preparation method and application |
| CN110478483A (en) * | 2019-08-22 | 2019-11-22 | 青岛大学 | Conversion nano probe and preparation method and application on a kind of polychrome |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113441278A (en) | 2021-09-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2737111C1 (en) | Bipolar ioniser for air cleaning and diffuser for bipolar ioniser | |
| KR100786710B1 (en) | Electric precipitation | |
| KR102279299B1 (en) | Air purifier that efficiently removes ultrafine dust with a particle size of 0.1 μm or more, and comprising a photocatalytic system with improved sterilization ability | |
| CN106861340B (en) | Multifunctional air purifying device | |
| CN111389589A (en) | Trapping, killing and desensitizing module for fine particulate pollution source | |
| CN103785054B (en) | Semiconductor-air purifying sterilizing unit and air cleaning decontamination equipment capable | |
| WO2017114049A1 (en) | System for removing suspended particles from gas medium | |
| US11623018B2 (en) | Photoactivated semiconductor photocatalytic air purification | |
| CN1830573A (en) | Air purification device | |
| CN113441278B (en) | Particulate matter collecting structure and electrostatic dust collection device | |
| CN113499672A (en) | Air purification structure, catalyst film preparation method and air purifier thereof | |
| US11752507B2 (en) | Electrostatic precipitator with electromagnetic wave tube including carbon nanotube-based emitter and method for removing microparticles in contaminated air using electrostatic precipitator | |
| CN106352424B (en) | Wide-spectrum ultraviolet sterilization system | |
| CN210861478U (en) | Little ion new trend purifies all-in-one | |
| US20200269255A1 (en) | Air purifier and improvement of air-purifying performance | |
| CN113042215A (en) | Electrode assembly, discharge unit, purification device and air purifier | |
| CN210753218U (en) | Electrode structure and electrostatic purification equipment | |
| CN111912046B (en) | Air filtering device, equipment, preparation method and air filtering method | |
| CN202942451U (en) | Air purification and sterilization unit of semiconductor and air purification and sterilization device | |
| CN105079852B (en) | High-energy negative oxygen ion particle flow generating device | |
| CN212362288U (en) | Air purification equipment, air treatment core and positive and negative ion generating device | |
| CN214717509U (en) | Electrode assembly, discharge unit, purification device and air purifier | |
| CN215372850U (en) | Plasma infrared sterilizing device for air inlet pipeline of air conditioner | |
| CN114484696A (en) | Air filtering method | |
| CN211503081U (en) | Ion purifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |