CN104235964A - Plasma air purifier - Google Patents
Plasma air purifier Download PDFInfo
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- CN104235964A CN104235964A CN201410466307.0A CN201410466307A CN104235964A CN 104235964 A CN104235964 A CN 104235964A CN 201410466307 A CN201410466307 A CN 201410466307A CN 104235964 A CN104235964 A CN 104235964A
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Abstract
The invention discloses a plasma air purifier. The plasma air purifier comprises an air filtering device, an air purifying device, an ozone treatment device and a control device, wherein the air filtering device comprises a water tank and a filter screen assembly device; the water tank is connected with the filter screen assembly device; the air purifying device comprises a photocatalyst purifying unit and a plasma air purifying unit; the photocatalyst purifying unit is connected with the plasma air purifying unit. The yield of a plasma generated by means of high-voltage pulse discharge is high, the high-energy electron energy is high, and the energy efficiency is high.
Description
Technical field
The present invention relates to air cleaning unit technical field, especially relate to a kind of plasma air purifier.
Background technology
Along with growth in the living standard, while the chemicals such as people beautify in use, ornament materials improve living environment, many poisonous and hazardous substance threat in air are caused the health of human body.Especially the deterioration of global environment in recent years, the appearance of haze weather, air pollution has become harm humans healthy " stealthy killer ".
At present, air-polluting purification method has the conventional purge utensils such as ventilation type, filtering type, absorption type to have, these methods are at process contaminant particle size, treatment effeciency, process toxic gas (NOx, SOx, VOCs etc.) and the aspect such as sterilization, cannot meet the requirement of environment.Such as filtration, purification method is mainly used to be separated the suspended particulate in air, then seems at a loss what to do for the pollutant such as bacterium, toxic and harmful; Absorption method also exists the saturated problem of absorption, governs widely using of this technology; The operating cost of catalytic purification method is higher, and thus range of application is restricted.The air purifying process such as negative ion air-cleaner, ozone air purifier and plasma air purifier arise at the historic moment, although anion and ozone-air purification techniques comparative maturity, there is the problems such as the low and ozone harm of air purification efficiency.
Plasma air purifying technology can solve anion and ozone-air purification Problems existing well.Plasma air purifier utilizes corona discharge to produce plasma to purify air, its cleaning principle is exactly utilize the high energy electron in plasma, with during molecular collision in air, a series of primitive physical reaction can occur, and in course of reaction, produce various active free radical and ecological oxygen, i.e. ozone decomposed and the elemental oxygen produced.Living radical can destroy the nucleic acid in various virus, bacterium effectively, protein, makes it not carry out normal metabolism and biosynthesis, thus causes its death; And multiple macromolecule gas with foreign flavor can decompose rapidly or be reduced to low molecule innocuous substance by ecological oxygen.In addition, by the coalescence effect of the ion in plasma and object, effectively can collect the little fine particulates to submicron order.Meanwhile, exist and more or less can discharge ozone in air purification process, cause secondary air pollution, this has adverse influence to the healthy of the mankind.
As can be seen here, in prior art, many defects are also existed to air-polluting process, can not meet modern people to the demand purified air.Therefore, research and develop the air purifier of a kind of high efficiency, low-loss, ozone free harm, thoroughly solve the air pollution problems inherent of human habitat, environmental protection and raising people quality of life are significant.
Summary of the invention
The invention provides a kind of plasma air purifier, make it have high efficiency, cost low, avoid secondary pollution, man-machine symbiosis, advantage that purification of air quality is high.
For solving the problems of the technologies described above, a kind of plasma air purifier of the present invention, comprising:
One body, this body interior is formed with accommodation space, and the bottom of this body is provided with air-intake device, and top is provided with exhaust apparatus;
One air filter, is arranged on the bottom of this accommodation space, and it comprises water tank and net-filter assembly device, and this water tank is connected with this net-filter assembly device, and the air through the purification of this water tank is purified further by this net-filter assembly device;
One air cleaning unit, be positioned at the top of this air filter, it comprises photocatalyst clean unit and plasma air purifying unit, this photocatalyst clean unit is connected with this net-filter assembly device, this plasma purifying unit respectively, this plasma purifying unit is connected with this water tank, the portion of air cleaned through plasma purifying unit is used for purifying the water body in this water tank;
One ozone treatment apparatus, it is connected with this plasma air cleaning member, for removing the ozone in purifying air;
One control device, its respectively with this air filter, this air cleaning unit, this ozone treatment apparatus control connection.
In one embodiment of the present of invention, described water tank comprises tank and is provided with the filter plate of through hole, it is inner that described inclination of filtering plate filter plate is arranged on described water tank, described tank is arranged on the top on filter plate inclined-plane, through this tank and this hang plate water body form waterfall cascade, enter the air of this water tank for abundant purification.
In one embodiment of the present of invention, described water tank becomes stereo structure, is provided with delivery port, water inlet, air inlet, purify air gas outlet and ozone inlet; Described delivery port and described ozone air admission hole are arranged on the mutually level position of different side bottom of described water tank, described purify air gas outlet and described water inlet are arranged on the end face of described water tank, and described air inlet rational height is lower than the rational height of described water inlet.
In one embodiment of the present of invention, described net-filter assembly device comprises cotton filter screen 409, active carbon filter screen 410 and HEPA filter screen 411, and the air inlet of described net-filter assembly device is connected with the gas outlet that purifies air of described water tank.
In above-described embodiment, described photocatalyst clean unit comprises photocatalyst filtering net and uviol lamp, described photocatalyst filtering net and described uviol lamp are packaged in aluminium case, the air inlet of described aluminium case is connected with described net-filter assembly device gas outlet, and the gas outlet of described aluminium case is connected with described plasma air purifying unit.
In above-described embodiment, described plasma air purifying unit comprises high-voltage pulse power source and line cartridge type corona reactor, and described line cartridge type corona reactor is connected with the gas outlet of described aluminium case, the ozone inlet of described water tank respectively by quartz ampoule.
In above-described embodiment, described ozone treatment apparatus comprises heater and instlated tubular, and described heater is arranged in described instlated tubular, and the air inlet of described instlated tubular is communicated with described line cartridge type corona reactor gas outlet by quartz ampoule.
In above-described embodiment, described instlated tubular is set to alundum tube.
In above-described embodiment, described air-intake device comprises air outlet, trumpet type air inlet and blower fan, described tubaeform air inlet at least arranges one, described air inlet is connected with described blower fan, the air outlet of described air-intake device is connected with described air filter, described blower fan and described control device control connection.
In above-described embodiment, described exhaust apparatus comprises blower fan, ultrasonic humidifier and grid of giving vent to anger, this blower fan is arranged on the rear side of grid of giving vent to anger, the air inlet of this exhaust apparatus is connected with described ozone treatment apparatus gas outlet, described blower fan and described ultrasonic humidifier respectively with described control device control connection.
Plasma air purifier of the present invention, has the following advantages compared with the prior art:
1, the present invention's plasma of adopting high pressure pulse discharge to produce, its productive rate is large, high energy electron density is large, energy efficiency is high;
2, the present invention adopts nanosecond pulse power supply, and discharge stability, discharge space are large, purification efficiency is high, energy consumption is little;
3, the present invention adopts the rapid ozone decomposition of heating means, non-secondary pollution, can man-machine symbiosis;
4, the present invention adopts the water curtain type purification of air mode of water tank, more efficiently, thoroughly purifies air, and has had larger breakthrough to the quality of the air of purification;
5, the present invention adopts the mode of remote pilot and independent control device, simply easy to operate, decreases operate miss.
6, the present invention have that structure is simple, cost is low, reliable, the advantage such as ease of maintenaince.
Accompanying drawing explanation
The above is the general introduction to technical solution of the present invention, and for explaining the present invention further, below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail.
Fig. 1 is the structural representation of the plasma air purifying device that the present invention proposes;
Fig. 2 is air-intake device each part position relations space structure figure in the present invention;
Fig. 3 is air filter each part position relations space structure figure in the present invention;
Fig. 4 is air cleaning unit each part position relations space structure figure in the present invention;
Fig. 5 is ozone treatment apparatus each part position relations space structure figure in the present invention;
Fig. 6 is exhaust apparatus each part position relations space structure figure in the present invention.
In figure: 1 housing; 2 movable pulleys; 3 air-intake devices; 4 air filters; 5 air cleaning units; 6 ozone treatment apparatus; 7 exhaust apparatus; 8 control device; 301 housing bottom trumpet type air inlets; Trumpet type air inlet on the right side of 302 housings; Trumpet type air inlet on the left of 302 housings; 304 blower fans; 401 water tanks; 402 delivery ports; 403 ozone inlet; 404 air inlets; 405 filter plates being provided with through hole; 406 tanks; 407 water inlets; 408 purify air gas outlet; 409 cotton filter screens; 410 active carbon filter screens; 411HEPA filter screen; 501 aluminium casees; 502 air inlets; 503 air outlets; 504 photocatalyst filtering nets; 505 uviol lamps; 506 quartz ampoules; 507 corona wires; 508 copper sheets; 509 high-voltage pulse power sources; 510 the earth; 601 instlated tubulars; 602 heaters; 701 blower fans; 702 ultrasonic humidifiers; 703 give vent to anger grid.
Detailed description of the invention
Please refer to shown in Fig. 1 to Fig. 6, one embodiment of the present of invention plasma air purifier, comprises a body, this body interior forms accommodation space, this body is set to a housing 1, and the bottom of this housing 1 is provided with air-intake device 3, and top is provided with exhaust apparatus 7; One air filter 4, is arranged on the bottom of this accommodation space, and it comprises water tank 401 and net-filter assembly device, and this water tank 401 is connected with this net-filter assembly device, and the air through the purification of this water tank 401 is filtered further by this net-filter assembly device; One air cleaning unit 5, be positioned at the top of this air filter 4, it comprises photocatalyst clean unit and plasma air purifying unit, this photocatalyst clean unit is connected with this net-filter assembly device, this plasma purifying unit respectively, this plasma purifying unit is connected with this water tank, the portion of air cleaned through plasma purifying unit is used for purifying the water body in this water tank; One ozone treatment apparatus, it is connected with this plasma air cleaning member, for removing the ozone in air; One control device, its respectively with this air filter, air cleaning unit, this ozone treatment apparatus control connection described in this, control device 8 comprises power subsystem and control unit, and control unit is electrically connected with power subsystem, and power subsystem and control unit are all arranged on housing 1 middle and upper part.Air-intake device 3, air filter 4, air cleaning unit 5, ozone treatment apparatus 6 and exhaust apparatus 7 are arranged according to principle from bottom to top in housing 1 inside.Concretely, between air-intake device 3 and air filter 4, between air filter 4 and air cleaning unit 5, be all connected by wind channel tube between ozone treatment apparatus 6 with exhaust apparatus 7.The lower end of housing 1 is provided with four supporting legs, and each leg is provided with movable pulley 2, and this supporting leg has adjustment height and fixation, and the height of four supporting legs is preferably 10-15cm.
Wherein, air filter comprises water tank 401 and net-filter assembly device, and net-filter assembly device is arranged on the top of water tank 401, and is connected with the purification of air air outlet slit of water tank.401 one-tenth, water tank stereo structure, is provided with delivery port 402, water inlet 408, air inlet 404, purifies air gas outlet 407 and ozone inlet 403; Delivery port 402 and ozone inlet 403 are arranged on the mutually level position of different side bottom of water tank 401, and purify air gas outlet 408 and water inlet 407 are arranged on the end face of water tank, and wherein air inlet 404 is arranged on the lower position at water tank 401 back side.Air inlet 404 rational height is lower than the rational height of water inlet.Wherein delivery port 402 and ozone inlet 403 are separately positioned on water tank 501 two sides lower position, delivery port object is draining and carries out water circulation, ozone inlet object is that the ozone utilizing plasma to produce purifies water, plays the effect of virus killing, sterilizing.
Further, water tank comprises tank and is provided with the filter plate of through hole, and it is inner that inclination of filtering plate is arranged on described water tank, and tank is arranged on the top on filter plate inclined-plane, through this tank and this hang plate water body form waterfall cascade, enter the air of this water tank for abundant purification.Tank 406 and filter plate 405 form waterfall cascade.A part for this inclination filter plate spills the water surface of water tank, and another part enters the underwater in this water tank.The diameter arranging through hole on filter plate 405 is preferably 1-3mm and 5-10mm two kinds, wherein, diameter is that the through hole of 1-3mm is arranged on filter plate and is positioned at above the water tank water surface, for the top that will the air after Water warfare utilized to be discharged to water tank, discharge through the gas outlet that purifies air again, diameter is that the through hole of 5-10mm is arranged on filter plate and is positioned at water surface bottom, for being back in water tank 401 by the water after purifying air.Diameter is that the through hole of 1-3mm is evenly distributed on filter plate, and the area of this through hole accounts for 3/5 of filter plate area, last exhausting hole distance filter plate upper end-face edge 10mm place of filter plate.Diameter is that the through hole of 5-10mm is evenly arranged on filter plate bottom position, and last exhausting hole is arranged on distance filter plate bottom margin 5mm place.Filter plate 405 and water tank bottom surface angle are 20-30 °, and this filter plate can be used for forming thinner waterfall, to increase purification of air area.Water tank 401 is vertically placed, and the filter plate 405 being provided with through hole is divided into two water tank 401, and filter plate surrounding and tank inner wall are tightly connected, the air in water tank all to be spilt into after Water warfare from water the upper space of water tank.Air inlet 404 is connected with blower fan 304 by wind channel tube, and its position is in the below of filter plate 405 being provided with through hole.Ozone inlet 403 is connected with the plasma cleaning unit of air cleaning unit 5 by wind channel tube.Tank 406 is fixed on the upper end of filter plate 405 inclined plane by fixing glue.
Net-filter assembly device comprises cotton filter screen 409, active carbon filter screen 410 and HEPA filter screen 411, and above-mentioned filter screen encapsulates by net-filter assembly device, forms the sealing device with air inlet and gas outlet.The air inlet of net-filter assembly device is connected with the air outlet of water tank.Purify air between gas outlet 407 with net-filter assembly device and be all connected by wind channel tube.
Air cleaning unit comprises photocatalyst clean unit and plasma purifying unit, and wherein, photocatalyst clean unit comprises photocatalyst filtering net 504 and ultraviolet lamp 505, and the preferred power of ultraviolet lamp 505 is 4-8W, wavelength is 200-280nm.It is inner that photocatalyst filtering net 504 and ultraviolet lamp 505 sealing are arranged on aluminium case 501, aluminium case upper surface outputs gas port 503, lower surface has air inlet 502, and the air inlet 502 of this aluminium case is connected with net-filter assembly device gas outlet 503, and the gas outlet of aluminium case is connected with plasma air purifying unit.Aluminium case is used for ultraviolet to be limited in box house, avoids ultraviolet to the injury of people.Air inlet 502 is connected with net-filter assembly device by wind channel tube, and gas outlet 503 is connected with the quartz ampoule 507 of plasma purifying unit by wind channel tube.
Plasma air purifying unit comprises high-voltage pulse power source 509 and line barrel reactor cylinder.The parameter of high-voltage pulse power source is amplitude voltage is 10-30kV, the leading-edge pulse time is 10-30ns, pulsewidth 100-200ns, pulse frequency 10-100kHz, and the high voltage source that this pulse front edge is precipitous, pulse width is narrow can produce continual and steady low temperature plasma.Line-barrel reactor cylinder, corona wire 506 is the nickel filament of diameter 0.5mm-1mm, and case material adopts quartz ampoule 507, and its internal diameter is 15-20 mm, and inwall is lined with 0.5 mm thick copper sheet 508 as earthing pole.Corona wire 506 is connected with high-voltage pulse power source 509 by wire, and copper sheet 508 is connected with the earth 510 by wire.All connected by wind channel tube between photocatalyst clean unit and plasma air purifying unit.
Ozone treatment apparatus comprises heater 602 and instlated tubular 601, and heater 602 is arranged in instlated tubular 601, and the air inlet of this instlated tubular 601 is communicated with this line cartridge type corona reactor gas outlet.Wherein, heater 602 preferably power is the ceramic heating flake of 150-200W, and heating-up temperature, at 450-500 °, its object is to ozone to decompose rapidly 400 DEG C time.The preferred alundum tube of instlated tubular, it is high temperature resistant and thermal conductivity is little.Alundum tube is connected with plasma reactor and exhaust apparatus respectively by wind channel tube.The wind channel tube that plasma reactor is connected with alundum tube arranges a gas three-way connection, air after plasma reactor purification divides two gas circuits, one gas circuit connects the ozone inlet 403 of water tank, for the water of cleaned water tank, another gas circuit connects alundum tube, for being processed the ozone in purifying air by ozone treatment apparatus.
The air-intake device 3 of plasma air purifier of the present invention is arranged on the bottom of housing, it comprises air outlet, trumpet type air inlet and blower fan, tubaeform air inlet 301 at least arranges one, air inlet is connected with blower fan, the air outlet of air-intake device is connected with air filter, blower fan and control device control connection.Preferably, housing bottom arranges to arrange on the left of trumpet type air inlet 302, housing on the right side of trumpet type air inlet 301, housing and arranges trumpet type air inlet 303 and blower fan 304.The equal and opposite in direction of the trumpet type air inlet of the left and right sides.Trumpet type air inlet 301 caliber size being arranged on housing bottom is 2-3 times of trumpet type air inlet 302 or 303 caliber size being arranged on the housing left and right sides.The power of blower fan is preferably 50-150 watt, capacity is preferably 5-20m3/min, blower fan is connected with control device by wire, trumpet type air inlet is connected with blower fan 304 by wind channel tube, the setting of above-mentioned tubaeform air inlet, makes it how the foul atmosphere of indoor is drawn into air cleaning unit inside as far as possible.
The air inlet/outlet device of plasma air purifier of the present invention, exhaust apparatus comprises blower fan 701, ultrasonic humidifier 702 and grid 703 of giving vent to anger, this blower fan 701 is arranged on the rear side of grid of giving vent to anger, the air inlet of this exhaust apparatus is connected with ozone treatment apparatus 6 gas outlet, blower fan 701 and ultrasonic humidifier 702 respectively with control device control connection.The power of blower fan 701 is preferably 50-100 watt, and capacity is preferably 5-15m
3/ min, its power and capacity are all adjustable.The power of ultrasonic humidifier 702 is preferably 30-50W, and ultrasonic humidifier is used for the air cooling-down of purification and humidification.Ultrasonic humidifier is arranged on the position lower than grid of giving vent to anger, give vent to anger grid 703 can up and down, left and right adjusting wind direction.Blower fan is connected with alundum tube by wind channel tube, and blower fan is connected with control device respectively by wire with ultrasonic humidifier.
Control device comprises control unit and power subsystem, and the control panel of control device is arranged on the top of housing.Wherein, power subsystem comprises domestic power supply and the high-voltage pulse power source of 220V, and domestic power supply is connected with high-voltage pulse power source by wire.Control unit is for the control of the control to blower fan, the required control of discharge of filtration, the mist amount of ultrasonic humidifier, to the control of purification of air time and the control to grid of giving vent to anger.Control device is preferably remote pilot and independent control, and the control of blower fan is controlled by speed governing; The control of discharge is controlled by choke valve; The control of ultrasonic humidifier is controlled by switch; The control of mist amount is controlled by power; The control of mist amount is controlled by timer; The course changing control of grid of giving vent to anger is controlled by micro motor.
The purification method of plasma air purifying device of the present invention, specifically comprises the following steps:
Step one: power-on, makes air filter 3 and ozone treatment apparatus 6 run work, and the flow of regulating tank internal water, make waterfall cascade width be not less than the width of arrays of openings at filter plate 405, to make whole air all by the filtration, purification of water.
Step 2: after the first step starts 1-3 minute, opens and runs high-voltage pulse power source 509, blower fan 304 and blower fan 701, carry out purification of air work.
Step 3: then, opens ultrasonic humidifier 702, and the air output of the blower fan regulating mist amount to arrange with grid 703 of giving vent to anger below, make people feel suitable, the direction of grid of giving vent to anger can be set as required.
Step 4: arrange plasma air purifying device running time and circulating working time, the setting of running time is preferably 60-120 minute, and circulating working time is preferably 120-360 minute, also can according to the size sets itself time of the interior space.
Step 5: purification of air end of run, plasma air purifying device, according to the net cycle time of setting, automatically moves to circularly purifying process and terminates.
Above, be only preferred embodiment of the present invention, not do any pro forma restriction to the present invention, those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification, equivalent variations or modification, all drop in protection scope of the present invention.
Claims (10)
1. a plasma air purifier, is characterized in that comprising:
One body, this body interior is formed with accommodation space, and the bottom of this body is provided with air-intake device, and top is provided with exhaust apparatus;
One air filter, is arranged on the bottom of this accommodation space, and it comprises water tank and net-filter assembly device, and this water tank is connected with this net-filter assembly device, and the air through the purification of this water tank is purified further by this net-filter assembly device;
One air cleaning unit, be positioned at the top of this air filter, it comprises photocatalyst clean unit and plasma air purifying unit, this photocatalyst clean unit is connected with this net-filter assembly device, this plasma purifying unit respectively, this plasma purifying unit is connected with this water tank, the portion of air cleaned through plasma purifying unit is used for purifying the water body in this water tank;
One ozone treatment apparatus, it is connected with this plasma air cleaning member, for removing the ozone in purifying air;
One control device, its respectively with this air filter, this air cleaning unit, this ozone treatment apparatus control connection.
2. plasma air purifier according to claim 1, is characterized in that,
Described water tank comprises tank and is provided with the filter plate of through hole, it is inner that described inclination of filtering plate is arranged on described water tank, described tank is arranged on the top on filter plate inclined-plane, through this tank and this hang plate water body form waterfall cascade, enter the air of this water tank for abundant purification.
3. plasma air purifier according to claim 1, is characterized in that,
Described water tank becomes stereo structure, is provided with delivery port, water inlet, air inlet, purify air gas outlet and ozone inlet; Described delivery port and described ozone air admission hole are arranged on the mutually level position of different side bottom of described water tank, described purify air gas outlet and described water inlet are arranged on the end face of described water tank, and described air inlet rational height is lower than the rational height of described water inlet.
4. plasma air purifier according to claim 3, is characterized in that, described net-filter assembly device comprises cotton filter screen, active carbon filter screen and HEPA filter screen, and the air inlet of described net-filter assembly device is connected with the gas outlet that purifies air of described water tank.
5. plasma air purifier according to claim 4, it is characterized in that, described photocatalyst clean unit comprises photocatalyst filtering net and uviol lamp, described photocatalyst filtering net and described uviol lamp are packaged in aluminium case, the air inlet of described aluminium case is connected with described net-filter assembly device gas outlet, and the gas outlet of described aluminium case is connected with described plasma air purifying unit.
6. plasma air purifier according to claim 5, it is characterized in that, described plasma air purifying unit comprises high-voltage pulse power source and line cartridge type corona reactor, and described line cartridge type corona reactor is connected with the gas outlet of described aluminium case, the ozone inlet of described water tank respectively by quartz ampoule.
7. plasma air purifier according to claim 6, it is characterized in that, described ozone treatment apparatus comprises heater and instlated tubular, and described heater is arranged in described instlated tubular, and the air inlet of described instlated tubular is communicated with described line cartridge type corona reactor gas outlet by quartz ampoule.
8. plasma air purifier according to claim 7, is characterized in that, described instlated tubular is set to alundum tube.
9. the plasma air purifier according to any one of claim 1 to 8, it is characterized in that, described air-intake device comprises air outlet, trumpet type air inlet and blower fan, described tubaeform air inlet at least arranges one, described air inlet is connected with described blower fan, the air outlet of described air-intake device is connected with described air filter, described blower fan and described control device control connection.
10. the plasma air purifier according to any one of claim 1 to 8, it is characterized in that, described exhaust apparatus comprises blower fan, ultrasonic humidifier and grid of giving vent to anger, this blower fan is arranged on the rear side of grid of giving vent to anger, the air inlet of this exhaust apparatus is connected with described ozone treatment apparatus gas outlet, described blower fan and described ultrasonic humidifier respectively with described control device control connection.
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| CN201410466307.0A CN104235964A (en) | 2014-10-29 | 2014-10-29 | Plasma air purifier |
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| CN201410466307.0A CN104235964A (en) | 2014-10-29 | 2014-10-29 | Plasma air purifier |
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| CN106839090A (en) * | 2016-12-21 | 2017-06-13 | 王才本 | Plasma UV light source air purifier |
| CN108613286A (en) * | 2018-03-26 | 2018-10-02 | 张薇 | A kind of energy conservation and environmental protection robot |
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