CN201361510Y - Three-section combined type filter - Google Patents
Three-section combined type filter Download PDFInfo
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- CN201361510Y CN201361510Y CNU2009201369249U CN200920136924U CN201361510Y CN 201361510 Y CN201361510 Y CN 201361510Y CN U2009201369249 U CNU2009201369249 U CN U2009201369249U CN 200920136924 U CN200920136924 U CN 200920136924U CN 201361510 Y CN201361510 Y CN 201361510Y
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Abstract
The utility model relates to a three-section combined type filter which belongs to an air filter, in particular to an air purifier configuration combining the technologies of high-efficiency fiber filtering and electrostatic enhanced purifying. The three-section combined filter combining the technologies of multilevel high-efficiency fiber filtering and electrostatic polarized enhanced purifying is provided with a windward side metal screen layer, a positive high voltage electrode screen layer, a negative high voltage electrode screen layer, a first polarized fiber screen layer, a second polarized fiber screen layer, a filtering screen layer, an air outlet side metal screen layer and a power-switching circuit, wherein the positive high voltage electrode screen layer is arranged between the second polarized fiber screen layer and the filtering screen layer; the negative high voltage electrode screen layer is arranged between the first polarized fiber screen layer and the second polarized fiber screen layer; the windward side metal screen layer is arranged at the outer side of the first polarized fiber screen layer; the air outlet side metal screen layer is arranged at the outer side of the filtering screen layer; and output ends of the power-switching circuit are respectively connected with the positive high voltage electrode screen layer and the negative high voltage electrode screen layer.
Description
Technical field
The utility model relates to a kind of air cleaner, especially relates to a kind of air purifier configuration of adopting high-efficiency fiber to filter and combine with static enhancing purification techniques.
Background technology
The room air pollution of the most of public places of current China is quite serious; the structure of modern architecture is relative closure all; not only the circulation of fresh air is few; and centralized ventilation duct of air conditioner itself is exactly pollution sources behind deposition a large amount of dust or other pollutants, even produces the bacterium such as Legionella.In addition, air system also makes popular germ be easy to cause cross-infection.In order to strengthen treating indoor air pollution, each ministries and commissions of country launch respectively relevant rules and evaluation criteria in recent years, State Quality Supervision Bureau had put into effect " IAQ standard " in 2002, health ministry had been put into effect " public place centralized air ventilation system administration of health standard " in 2006, required the ventilating system of public place air cleaning decontamination equipment capable to be installed and every two years to be cleaned ventilation shaft one time.
At present, the super high efficient filter (ULTRA-HEPA) that is used for high clean environment adopts " electret " fiber to make mostly, makes its comprehensive function that has efficient interception and strong absorption simultaneously, and North America and European countries' Application and Development are early.But the production technology of " electret " fiber is complicated, cost is high, this fiber must be that the extraordinary material of a kind of dielectricity is made, and be to make it charged and become nonvolatil polarization fiber in process of production, just because of it can keep permanent electrode performance, so be referred to as " electret ".The function and the production technology of " electret " fiber also studied by some domestic research institutions, and some large-size air conditioning producer also begins to adopt " electret " fiber to do filtering material.
Polarization fiber air purifying process is more and more paid close attention in the world, and tiny polarization electrostatic field that fiber forms has very strong Coulomb force, and the particulate during energy will flow fast (even the little particulate to 0.01 micron of particle diameter) steadily holds.And the fluffy mesh grid that fiber fines is formed can be very not big to the resistance of air-flow, and its slit can hold more dust again, i.e. dust containing capacity height is so service life is just longer.So polarization fiber air-purifying net is highly suitable for the central fan system of central air-conditioning, can obtain higher dust filter efficiency to lose (wind resistance is little) than the low air flow amount, thus energy-conservation, the noise reduction of the load that can lower blower fan.
The patent No. provides a kind of air conditioner air purification net for the utility model patent of CN01255045.0, its filtration supports is to be made of outer mesh skeleton and internal layer cartridge combination, mesh skeleton be by spray one deck through the activated carbon of specially treated, plastic wire soft, that have miniature aperture constitutes, filter core is to be made of a kind of nonwoven of making the multi-pleat type structure, and filter core closely covers on the mesh skeleton.The air cleaner windage that nonwoven cloth material is made is big, and can not handle airborne harmful microorganism, and it does not have the function of sterilizing.
The applicant provides a kind of single polarization fiber air-purifying net in the utility model patent of the patent No. for ZL200620059214.7, the patented product has been set up dynamic, a real-time polarization fiber pattern, but its strainability can't satisfy toilet's requirement.
Summary of the invention
The purpose of this utility model is at existing air-purifying net function comparatively single, especially to problems such as virus and the kill activity of bacterium are little, provide a kind of and adopt multi-level high-efficiency fiber to filter to strengthen the three segments combined filters that purification techniques merges mutually with the static polarization.
The utility model is provided with windward side metal stratum reticulare, positive high voltage electrode stratum reticulare, negative high-voltage electrode stratum reticulare, the 1st polarization fiber web layer, the 2nd polarization fiber web layer, filters stratum reticulare, outlet air surface metal stratum reticulare and power-switching circuit; Positive high voltage electrode stratum reticulare is located at the 2nd polarization fiber web layer and is filtered between the stratum reticulare, the negative high-voltage electrode stratum reticulare is located between the 1st polarization fiber web layer and the 2nd polarization fiber web layer, windward side metal stratum reticulare is located at the 1st polarization fiber web layer outside, outlet air surface metal stratum reticulare is located at and is filtered the stratum reticulare outside, and the output of power-switching circuit is connected with the negative high-voltage electrode stratum reticulare with positive high voltage electrode stratum reticulare respectively.
Described windward side metal stratum reticulare preferably is provided with wire netting and fixed frame, and wire netting is fixed on the fixed frame.Outlet air surface metal stratum reticulare preferably is provided with wire netting and fixed frame, and wire netting is fixed on the fixed frame.
Described positive high voltage electrode stratum reticulare is preferably the metal wire knitted stratum reticulare, and positive high voltage electrode stratum reticulare is isolated with wire netting and fixed frame insulation around the positive high voltage electrode stratum reticulare preferably all less than windward side metal stratum reticulare and outlet air surface metal stratum reticulare; The negative high-voltage electrode net can adopt the carbon element gauze, or carbon element line and metal wire combined blend be made into net, and the negative high-voltage electrode net is isolated with wire netting and fixed frame insulation around the negative high-voltage electrode net preferably all less than windward side metal stratum reticulare and outlet air surface metal stratum reticulare.Power-switching circuit preferably is fixed in the metallic channel, and seal with cover fillet, be provided with positive high voltage output interface and negative high voltage output interface in the metallic channel, the positive high voltage output interface is connected with the negative high-voltage electrode net with corresponding positive high voltage electrode network respectively with the negative high voltage output interface, the input power supply can adopt 24V direct current or alternating current input power supplying, and adopts the plug-in input interface.
Described the 1st polarization fiber web layer and the 2nd polarization fiber web layer are preferably glass fibre stratum reticulare or more resilient chemical fibre filtrate, the 1st polarization fiber web layer and the 2nd polarization fiber web layer are a kind of fluffy screen packs that is formed by elasticity fiber fines braiding preferably, and its dust adsorbance is big and windage is little.Select for use fiber must have certain dielectric properties, they could form electrode in ionized field or electrostatic field, and then become the polarization fiber, could have very strong absorption affinity to dust.
Described filtration stratum reticulare preferably adopts gauffer formula fiber filter paper (being the HEPA net), to guarantee that filter can reach the high efficiency filter grade.
Described wire netting is preferably the aluminium alloy net, and easy fracture, the metal material that gets rusty are not manufactured dictyosome again can to adopt stainless steel material or other lightweights yet.
Two sides at filter are preferably established holddown groove, and holddown groove can adopt the bullion groove, and the available bearing pin of an end of holddown groove is movably connected on the metallic support of power-switching circuit, it can rotate, when needing maintenance or changing the polarization fleece, only need holddown groove is broken into two with one's hands outward, very convenient.
Described fixed frame can adopt metal frame or duroplasts frame, and girth members such as holddown groove, seal, hinge spare, opening tool all can adopt metallic channel or duroplasts groove.
The utility model utilizes the high voltage source modular converter, and just interchange or the dc source of 24V convert the above high voltage source of 4kV to, and export positive high voltage respectively and give the negative electricity polar net to anode electrode net and negative high voltage, make between these two electrode networks and and the outer layer metal net between form the geopressure gradient electric field, thereby generation corona discharge, further make the fiber fines that is clipped in their centres charged, make it form electrode thereby the dielectricity of these fibers is fine, and then become the polarization fiber, intensive polarization fiber forms many small strong electrostatic fields again, thereby dust is had very strong absorption affinity, so its filter efficiency is very good.Its negative electricity polar net adopts carbon element line or is made into net with metal wire combined blend, and it has conduction and discharge performance preferably, thereby can discharge some anions more, and then makes the degerming ability of negative electrode stratum reticulare stronger; The positive electricity polar net then adopts metal wire knitted to form, because wire does not have burr, so it is not easy to produce discharge spark, and positive discharge also is not easy to produce ozone.So at different applied environments, can adopt different electrodes to stack level, the environment high at bacteria containing amount uses the utility model product, and the negative electrode stratum reticulare is arranged in anode electrode stratum reticulare airflow downstream afterwards to strengthen bacteria-eliminating efficacy; And, then the anode electrode stratum reticulare is arranged in negative electrode stratum reticulare airflow downstream afterwards at the few environment of bacteria containing amount, anion can be neutralized some or it is strapped in the anode electrode stratum reticulare, and can not produce too many ozone.
Because of forceful electric power pressure reduction and narrow and small gap, can make air produce slight ionization between the positive and negative electrode net, thereby produce a certain amount of ion or hydroxyl radical free radical (OH), their oxidability is very strong, can make cells of microorganisms matter keratinization and effective sterilizing; Hydroxyl radical free radical (OH) also has effectively decomposition to some volatile organic compoundses, makes them become the material of nontoxic free from extraneous odour, thereby reduces environmental pollution.In addition, most bacterium and virus all depend on the dust particle in the air, and the utility model product utilization polarization fiber has been set up good " a catching " mechanism, strong absorption affinity by the polarization fiber can be controlled at them in the filter, and be difficult for the air-flow formation cross-infection of running wild, in filter, there is strong electrostatic field again, makes microbial activity in it weaken greatly and be difficult for growing, even bacterium is all killed.So, the utlity model has good comprehensive purifying function.
Be provided with the 1st fluffy polarization fiber web layer (promptly just imitating fibrous filter layer) and the 2nd polarization fiber web layer (imitating fibrous filter layer promptly) in metal stratum reticulare inboard, windward side of the present utility model, because the 1st polarization fiber web layer and the 2nd polarization fiber web layer all adopt glass fibre or fluffy chemical fibre filtrate, therefore has the characteristic that windage is little, dielectricity good, dust containing capacity is big, both the dust filtering step by step of different-grain diameter can be able to be prolonged the service life of filter again.In addition, in outlet air surface metal stratum reticulare of the present utility model inboard the filtration stratum reticulare is set, usually can select the highly-efficient glass fiber filter paper for use, for example adopt gauffer formula high-efficiency fiber filter paper, it is the HEPA net, its rotproofness and resistance to elevated temperatures are better, then can guarantee to reach the purification requirement of toilet through the air quality behind the utility model, do not need too thick again but this layer filters stratum reticulare, because the 1st polarization fiber web layer (promptly just imitating fibrous filter layer) and the 2nd polarization fiber web layer (imitating fibrous filter layer promptly) filter out most of dust granules, so both less thick of the present utility model can be able to be prolonged its service life again, and be convenient to installation and maintenance.
Description of drawings
Fig. 1 is the structural representation of the windward side metal stratum reticulare of the utility model embodiment.
Fig. 2 is the schematic diagram that the windward side metal stratum reticulare of the utility model embodiment is opened.
The internal structure schematic diagram that Fig. 3 launches for the utility model embodiment.
Fig. 4 is that the internals of the utility model embodiment is arranged schematic diagram.
Fig. 5 is the structural representation of the positive high voltage electrode stratum reticulare of the utility model embodiment.
Fig. 6 is the structural representation of the negative high-voltage electrode stratum reticulare of the utility model embodiment.
Fig. 7 is that the power-switching circuit circuit of the utility model embodiment is formed schematic diagram.
The specific embodiment
Following examples will be further described the utility model in conjunction with the accompanying drawings.
Referring to Fig. 1～6, the utility model is provided with windward side metal stratum reticulare 14, positive high voltage electrode stratum reticulare 10, negative high-voltage electrode stratum reticulare the 9, the 1st polarization fiber web layer the 11, the 2nd polarization fiber web layer 12, filters stratum reticulare 13, outlet air surface metal stratum reticulare 15 and power-switching circuit 5.Positive high voltage electrode stratum reticulare 10 is located at the 2nd polarization fiber web layer 12 and is filtered between the stratum reticulare 13, negative high-voltage electrode stratum reticulare 9 is located between the 1st polarization fiber web layer 11 and the 2nd polarization fiber web layer 12, windward side metal stratum reticulare 14 is located at the 1st polarization fiber web layer 11 outsides, outlet air surface metal stratum reticulare 15 is located at and is filtered stratum reticulare 13 outsides, and the output of power-switching circuit 5 is connected with negative high-voltage electrode stratum reticulare 9 with positive high voltage electrode stratum reticulare 10 respectively.
Power-switching circuit 5 built-in LED lights, power-switching circuit 5 are located in the metal holddown groove 4 (bullion groove), and power-switching circuit 5 is provided with fixed cap 8, and power-switching circuit 5 is by input socket 6 external 24V supply power supplys.Windward side metal stratum reticulare 14 is provided with metal frame 141 and woven wire 142, and metal frame 141 is fixed on around the woven wire 142.Outlet air surface metal stratum reticulare 15 also is provided with metal frame 151 and woven wire 152, metal frame 151 is fixed on around the woven wire 152, entangle with bullion holddown groove 1 side again, and positive high voltage electrode network 9, negative high-voltage electrode net 10 are connected with the output of power-switching circuit 5 respectively.Power-switching circuit 5 external 24V input outlets 6 are reinforced, are sealed with bullion holddown groove 4 and power module fixed cap 8, and power-switching circuit 5 built-in LED lights are embedded in the place of bullion holddown groove 4 by outlet 6.Side holddown groove 1 one ends of dictyosome are equipped with knob 7, holddown groove 1 is rotationally connected by knob 7 and bullion holddown groove 4, one side fixed frame of outlet air surface metal stratum reticulare 15 and the locking of bullion holddown groove 4 usefulness screws, stripe shape metal holddown groove 4 is fixedly axle center of whole dictyosome.The stratum reticulare of an activity is formed in the metal frame 141 of windward side metal stratum reticulare 14 and woven wire 142 lockings, 2 layers of polarization fiber web layer 11,12 and to filter stratum reticulare 13 also be movable, utilize bar shaped side holddown groove 1 and other structure sheafs to be nested together during assembling, but available fluid sealant sealing is not leaked out with assurance around the high efficiency filter stratum reticulare 13.Girth member, seal, hinge spare, opening tools such as above-described metal frame and bullion holddown groove all can be used the duroplasts member instead.
Dictyosome of the present utility model can be a square, such as different sizes such as 400mm * 400mm, 500mm * 500mm, 600mm * 600mm, it also can be rectangle, such as different sizes such as 300mm * 400mm, 300mm * 500mm, 400mm * 800mm, set long and wide size with the filter area of actual needs.
Referring to Fig. 7, the power-switching circuit circuit adopts 24V direct current or AC power, and the left side of transformer T1 is a simulation vibration generating unit in the circuit, and it produces self-oscillation in circuit, thereby Darlington transistor Q1 is periodically cut-off.When Darlington transistor Q1 conducting, electric current flows through the former limit of transformer T1, and energy storage in the inductance on the former limit of transformer T1; When current oscillation signal is low level, Darlington transistor Q1 turn-offs, then energy is changed with the former limit of transformer inductance by electric current is mobile, and the voltage more than transformer T1 secondary motivates kilovolt, power supply through exportable 4～8kV behind the booster circuit, or more high-tension power supply, the value of its output voltage is decided on the needs of filter customization.Side at transformer T1 secondary, the first half is the booster circuit of positive EHT supply, Lower Half is the booster circuit of negative pole high voltage source, and positive high voltage electrode network that links to each other with them and negative high-voltage electrode net can produce corona discharge under uneven electric field action, even punctures air generation ion beam.The power supply of LED light picks out from transformer T1 secondary.When supply voltage changes from low to high, the counterattack voltage of transformer T1 secondary and frequency all will become greatly, and the power supply caloric value increases, and can make the power work instability, so need some diodes be installed and resistance is adjusted at transformer T1 secondary.The reference model of each main components and parts and parameter are dated in Fig. 7, wherein, and resistance R 1:150 Ω, R2:100 Ω, R3:10K, R4:1.2K, R5, R6:10M; Capacitor C 1, C3～C22:102K, C2:4.7 μ; Diode D1, D3～D4:FR107, D2:IN4743; Triode Q1:2N7052 type.
The utility model is a kind of novel air clarifier configuration of adopting high-efficiency fiber to filter and combine with static enhancing purification techniques, it utilizes the high voltage source modular converter to give two electrode network supply positive high voltages and negative high voltage power source respectively, make between two electrode networks and they with the outer layer metal net between formation " line-net " uneven electric field, thereby generation corona discharge, further make the fiber fines that is clipped between them charged (this charged and fiber that dielectric properties are good be called as " polarization fiber " or " electret "), form many electrostatic fields again between the intensive charged fiber, thereby dirt particle is had very strong absorption affinity by the Coulomb force.Its electrode network can adopt woven wire, also can adopt carbon element line and metal wire combined gauze, and it has conduction and discharge performance preferably.Can produce electronics during the electrode network discharge, make by charged its easier polarized fiber that makes of the dirt particle of electrode network and adsorb.Its fibrous filter layer has the filtrate of three layers of different densities, and by effect, middle effect, efficiently stack successively just, just effect and middle effect filtering layer adopt fluffy glass fibre or chemical fibre nonwoven piece material, have the advantages that windage is little, dielectricity good, dust containing capacity is big.Simultaneously the high efficiency filter stratum reticulare is had pre-filtering and protective effect, the high efficiency filter stratum reticulare then adopts gauffer formula high-efficiency fiber filter paper (adopting the highly-efficient glass fiber filter paper usually, i.e. the HEPA net), reaches the high efficiency filter grade to guarantee filter.In addition, the polarization fiber can effectively be caught bacterium or be carried the particulate of virus, and its strong static field energy is destroyed the institutional framework of bacterium, thereby plays the degerming disinfective action, so just make the filtration dictyosome of this combination have comprehensive air-cleaning function, and can reach higher clean rank.
The utility model is supplied high voltage source by power-switching circuit to electrode network with interchange or the dc source of 24V, and electrode network forms with the carbon element line or the metal wire knitted of conduction, and is connected with the high-pressure side of power-switching circuit; The windward side of air purifier and outlet air surface are whole to be woven wire, and it is connected with the 24V low-pressure end of power-switching circuit, just forms " line-net " uneven electric field like this between the positive and negative electrode net and between the outer layer metal net.Behind the input power connection, this uneven electric field will produce corona discharge, and the air layer in the middle of can also making produces slight ionization.The high voltage source that power-switching circuit is exported to electrode network is respectively positive extra-high voltage and negative pole high pressure, and during anodal electrion, the anion that the anode electrode stratum reticulare produces is difficult for being released, and the amount that forms ozone in the air-flow is just smaller; When the negative pole electrion, the anion that the negative electrode stratum reticulare produces just is released easily on the contrary, and anion concentration is just than higher in the air-flow, and its bacteria-eliminating efficacy can be more better, but the ozone amount that forms also can be than higher.So according to the environment for use difference, can adjust the arrangement of anodal electrode network layer and negative electrode stratum reticulare, the environment that bacteria containing amount is high uses the utility model product, and the negative electrode stratum reticulare is arranged in anode electrode stratum reticulare airflow downstream afterwards to strengthen bacteria-eliminating efficacy; And, then the anode electrode stratum reticulare is arranged in negative electrode stratum reticulare airflow downstream afterwards at the few environment of bacteria containing amount, anion can be neutralized some or make it be strapped in the anode electrode stratum reticulare, and can not produce too many ozone.
The ionization that produces between electrode network corona discharge and the electrode network, the capital makes the fiber fines that is clipped between electrode network and the outer layer metal net charged (this charged and fiber that dielectric properties are good be called as " polarization fiber " or " electret "), form many electrostatic fields again between the intensive charged fiber, thereby dirt particle is had very strong absorption affinity by the Coulomb force.On the other hand, dust particle can be by charged during through the electrode network that discharging with air-flow, the just easier polarized fiber absorption of dirt particle after charged, thus the purification efficiency of filter is improved.Arrange fluffy first effect and middle effect fibrous filter layer in the windward side of filter one side, this two filter layers adopts glass fibre or chemical fibre nonwoven piece material, has the characteristic that windage is little, dielectricity good, dust containing capacity is big, this both can prolong the service life of filter again with the dust filtering step by step of different-grain diameter.Arrange one deck gauffer formula high-efficiency fiber filter paper again in outlet air surface one side of filter, then can guarantee to reach the purification requirement of toilet through the air quality behind the filter, but it is too thick that this floor height effect filtering layer does not need again, because first effect and middle effect fibrous filter layer have filtered out most of dust granules.So just filter thickness can be diminished and can prolong its service life.
Most bacterium and virus all depend on the dust particle in the air, strong absorption affinity by the polarization fiber can be controlled at them in the filter, and be difficult for the air-flow formation cross-infection of running wild, in filter, there is strong electrostatic field, makes microbial activity in it weaken greatly and be difficult for growing.Meanwhile, because of forceful electric power pressure reduction and narrow and small gap, can make air produce slight ionization between the electrode network, thereby produce a certain amount of ion or hydroxyl radical free radical (OH), their oxidability is very strong, can make cells of microorganisms matter keratinization and effective sterilizing.
Claims (10)
1. three segments combined filters, it is characterized in that being provided with windward side metal stratum reticulare, positive high voltage electrode stratum reticulare, the negative high-voltage electrode stratum reticulare, the 1st polarization fiber web layer, the 2nd polarization fiber web layer, filter stratum reticulare, outlet air surface metal stratum reticulare and power-switching circuit, positive high voltage electrode stratum reticulare is located at the 2nd polarization fiber web layer and is filtered between the stratum reticulare, the negative high-voltage electrode stratum reticulare is located between the 1st polarization fiber web layer and the 2nd polarization fiber web layer, windward side metal stratum reticulare is located at the 1st polarization fiber web layer outside, outlet air surface metal stratum reticulare is located at and is filtered the stratum reticulare outside, and the output of power-switching circuit is connected with the negative high-voltage electrode stratum reticulare with positive high voltage electrode stratum reticulare respectively.
2. as claimed in claim 1 three segments combined filters is characterized in that described windward side metal stratum reticulare is provided with wire netting and fixed frame, and wire netting is fixed on the fixed frame; Outlet air surface metal stratum reticulare is provided with wire netting and fixed frame, and wire netting is fixed on the fixed frame.
3. as claimed in claim 1 three segments combined filters, it is characterized in that described positive high voltage electrode stratum reticulare is the metal wire knitted stratum reticulare, positive high voltage electrode stratum reticulare is isolated with wire netting and fixed frame insulation around the positive high voltage electrode stratum reticulare all less than windward side metal stratum reticulare and outlet air surface metal stratum reticulare.
4. as claimed in claim 1 three segments combined filters, it is characterized in that the negative high-voltage electrode net is the carbon element gauze, or carbon element line and metal wire combined blend are made into net, the negative high-voltage electrode net is isolated with wire netting and fixed frame insulation around the negative high-voltage electrode net all less than windward side metal stratum reticulare and outlet air surface metal stratum reticulare.
5. as claimed in claim 1 three segments combined filters, it is characterized in that power-switching circuit establishes metallic channel, power-switching circuit is fixed in the metallic channel, and seal with cover fillet, be provided with positive high voltage output interface and negative high voltage output interface in the metallic channel, the positive high voltage output interface is connected with the negative high-voltage electrode net with corresponding positive high voltage electrode network respectively with the negative high voltage output interface.
6. as claimed in claim 1 three segments combined filters is characterized in that external 24V direct current of power-switching circuit or alternating current input power supplying, and adopt the plug-in input interface.
7. as claimed in claim 1 three segments combined filters is characterized in that described the 1st polarization fiber web layer and the 2nd polarization fiber web layer are glass fibre stratum reticulare or fluffy chemical fibre filtrate.
8. as claimed in claim 1 three segments combined filters is characterized in that described filtration stratum reticulare is a gauffer formula fiber filter paper.
9. as claimed in claim 1 three segments combined filters is characterized in that described wire netting is the aluminium alloy net, or stainless (steel) wire.
10. as claimed in claim 1 three segments combined filters is characterized in that establishing holddown groove at two sides of filter, and holddown groove can adopt the bullion groove, and the available bearing pin of an end of holddown groove is movably connected on the metallic channel of being located at power-switching circuit.
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| CNU2009201369249U CN201361510Y (en) | 2009-03-02 | 2009-03-02 | Three-section combined type filter |
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| CNU2009201369249U CN201361510Y (en) | 2009-03-02 | 2009-03-02 | Three-section combined type filter |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103657854A (en) * | 2012-09-20 | 2014-03-26 | 清新空气集团股份有限公司 | Fiberglass Dielectric Barrier Ionization Discharge Device |
| CN103801454A (en) * | 2014-02-18 | 2014-05-21 | 诸葛小春 | Air purifier |
| CN103816731A (en) * | 2014-02-18 | 2014-05-28 | 诸葛小春 | Air purifier |
| CN103861416A (en) * | 2014-04-01 | 2014-06-18 | 艾考林空气净化技术（北京）有限公司 | Domestic air cleaner |
| CN103925660A (en) * | 2014-04-28 | 2014-07-16 | 海信（山东）空调有限公司 | Air purifying device for duct commercial air conditioner and duct commercial air conditioner |
| WO2015058375A1 (en) * | 2013-10-23 | 2015-04-30 | 赵兵 | Air filter apparatus having shared negatively charged grid |
| WO2015058373A1 (en) * | 2013-10-23 | 2015-04-30 | 赵兵 | Air filter apparatus having shared positively charged grid |
| CN106733191A (en) * | 2016-12-30 | 2017-05-31 | 沈炜 | Except haze tower |
| WO2017114049A1 (en) * | 2015-12-31 | 2017-07-06 | 靳瑞廷 | System for removing suspended particles from gas medium |
| CN107362907A (en) * | 2017-08-28 | 2017-11-21 | 天钥光电（湖北）股份有限公司 | Electrostatic precipitator based on metallic fiber line |
| CN108379984A (en) * | 2018-04-10 | 2018-08-10 | 岑伟强 | A kind of columnar air-purifying module |
| CN108993033A (en) * | 2017-06-06 | 2018-12-14 | 北京随能科技有限公司 | A kind of air cleaning facility, clean air package and air purification method |
| CN110394051A (en) * | 2018-11-13 | 2019-11-01 | 成都易态科技有限公司 | Filtering material, filter assemblies, filter and filter method |
| CN111686936A (en) * | 2019-03-14 | 2020-09-22 | 宁波方太厨具有限公司 | Air filter screen purifier |
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- 2009-03-02 CN CNU2009201369249U patent/CN201361510Y/en not_active Expired - Lifetime
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| CN103657854B (en) * | 2012-09-20 | 2016-05-11 | 清新空气集团股份有限公司 | Glass fibre dielectric barrier ionic discharge device |
| CN103657854A (en) * | 2012-09-20 | 2014-03-26 | 清新空气集团股份有限公司 | Fiberglass Dielectric Barrier Ionization Discharge Device |
| WO2015058375A1 (en) * | 2013-10-23 | 2015-04-30 | 赵兵 | Air filter apparatus having shared negatively charged grid |
| WO2015058373A1 (en) * | 2013-10-23 | 2015-04-30 | 赵兵 | Air filter apparatus having shared positively charged grid |
| CN103801454A (en) * | 2014-02-18 | 2014-05-21 | 诸葛小春 | Air purifier |
| CN103816731A (en) * | 2014-02-18 | 2014-05-28 | 诸葛小春 | Air purifier |
| CN103861416A (en) * | 2014-04-01 | 2014-06-18 | 艾考林空气净化技术（北京）有限公司 | Domestic air cleaner |
| CN103925660A (en) * | 2014-04-28 | 2014-07-16 | 海信（山东）空调有限公司 | Air purifying device for duct commercial air conditioner and duct commercial air conditioner |
| WO2017114049A1 (en) * | 2015-12-31 | 2017-07-06 | 靳瑞廷 | System for removing suspended particles from gas medium |
| CN106733191A (en) * | 2016-12-30 | 2017-05-31 | 沈炜 | Except haze tower |
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