CN206131156U - Intelligent room air replacement clarification plant - Google Patents
Intelligent room air replacement clarification plant Download PDFInfo
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- CN206131156U CN206131156U CN201620969789.6U CN201620969789U CN206131156U CN 206131156 U CN206131156 U CN 206131156U CN 201620969789 U CN201620969789 U CN 201620969789U CN 206131156 U CN206131156 U CN 206131156U
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Abstract
The utility model provides an intelligent room air replacement clarification plant, belongs to indoor outer new trend clarification plant field. Be provided with including heating carbonization porcelain filter in the room air replacement clarification plant, two -way rotatory fan, a plurality of filters including the cone porcelain filter, heating carbonization porcelain filter and cone porcelain filter are spongy micropore porcelain filter, heating carbonization porcelain filter outwards heels on upper portion and sets up to one side, the equipment periphery is provided with the automatic sampling mouth with indoor intercommunication, the automatic sampling mouth is provided with gaseous detector, be provided with current detector in the equipment, equipment still is equipped with the intelligent control ware, equipment can reduce the acquisition cost of air purification equipment and consumables drop into and installation cost of maintenance, improve equipment's air purification effect, the device fabrication cost is reduced, realize the intelligent operation of air purification equipment.
Description
Technical field
The utility model is related to a kind of room air displacement purge equipment, more particularly to a kind of intelligent indoor air displacement
Cleaning equipment, belongs to indoor and outdoor fresh-air purifying equipment field.
Background technology
The discharge of industrial waste gas, the discharge of vehicle exhaust, to bringing substantial amounts of pernicious gas and trickle in the Nature air
Granule dust, healthy to harm to bring certain injury, particularly in recent years, increasing for haze weather usually brings
School closure, hospital sees a doctor number of hospitalized and increases, and the disease number that particularly respiratory tract causes increases, and child old man dare not be easily
Outgoing, adult going out mouth mask of also must put on, and the window that more dare not open the door wide exchanges indoor and outdoor air, even if closure door closes family Bu Chu doors
Run into that haze weather is in the same old way different degrees of to be affected unavoidably, air pollution into primary pollution nuisance, moreover, closely
Nian Lai, with increasing that the people take in, office space, school, the finishing of family also become common practise, in the base of outdoor air pollution
On plinth, while also bringing, indoor pollution, particularly PM2.5, formaldehyde, carbon dioxide, benzene etc. are unfavorable to health to be harmful to
Gas, these pernicious gas proportions are both greater than general air, positioned at air lower floor, it is easy to enter respiratory system, according to 2013
Year, the Agency for Research on Cancer of the World Health Organization subordinate of October 17 issued report, and pointing out atmosphere pollution can cause cancer, and recognize
It is main carcinogenic substance for environmental pollution, furthermore, it has been reported that understand, indoor noxious pollutant kind up to more than 300, wherein a lot
Compound is exceeded, is carcinogen, and can cause the diseases such as fetus, leukemia of children, and over China is nearly 30 years, lung cancer is dead
The rate of dying rises 465%, and annual growth is 26%, reduces cancer morbidity, purification public place, the office field come because of contaminated zone
Institute, academic environment and indoor air environment have become a too impatient to wait social concern, but, it is net in existing fresh air
In change equipment, because design is complicated, cost is too high（Market price is up to ten thousand or even tens thousand of at least）, install maintenance requirement also very
Specialty, has had a strong impact on to a certain extent the use demand of the general common people, along with using multiple filters, is provided with
Multiple screen packs, screen pack needs Jing often continually to be cleaned or changed, and substantially increases maintenance and use cost, increase
How the financial burden of consumer, reduce input in terms of purification of air, and the clean-up effect for improving equipment is current sky
The problem for needing to solve in gas cleaning equipment.
The content of the invention
Containing the pernicious gas being detrimental to health in room air pollution and house decoration for closing, Jing is needed
Normal open wind is exchanged and new wind devices need to be replaced as frequently as the Input of screen pack and manpower and materials in running,
The utility model provides a kind of intelligent indoor air displacement purge equipment, its objective is to reduce purchasing into for air cleaning facility
This and running stores put into and installation and maintenance cost, improve the air purification effect of equipment, reduce device fabrication cost, realize empty
The intelligent operation of gas cleaning equipment.
The technical solution of the utility model is：A kind of intelligent indoor air displacement purge equipment, including electrostatic precipitator,
Active carbon filter, ozone-removing device and anion generator, the room air displacement purge equipment is from air access ports
Heating carbonized ceramic filter, bidirectional rotation blower fan, cone ceramic filter, electrostatic precipitator are disposed with to equipment inner side
And/or active carbon filter and/or ozone-removing device and/or anion generator, heat carbonized ceramic filter and cone pottery
Porcelain filter is spongy microporous ceramic filter, and heating carbonized ceramic filter top is obliquely installed laterally, equipment periphery
It is provided with and the indoor automatic sampling mouth for connecting, automatic sampling mouth is provided with gas detecting instrument, current detecting is provided with equipment
Instrument, equipment is further equipped with intelligent controller；
Further, rectangular heater strip is provided with a certain distance in the heating carbonized ceramic filter, in heater strip
Equipped with low-pressure heating power supply, heater strip is sealed in high density ceramic, and high density ceramic interior sealing is provided with drop voltage component,
Heater strip intermittence is heated；
Further, the cone of the cone ceramic filter is horizontally disposed with, cone base ancillary equipment inner side, cone periphery
Dust collecting is provided with, bottom is provided with drawer type dust collecting box；
Further, the air outlet slit and entrance of the equipment is a pipeline, and leads to outdoor, the bidirectional rotation blower fan
Intermittent rotating, current detecting instrument is connected with detection bidirectional rotation blower fan；
Further, the heating carbonized ceramic filter maximum heating temperature is 1100 DEG C；
Further, in equipment, it is sequentially reduced to the mesh of equipment inner side, multiple screen packs or filter by outside, is heated
Filter mesh aperture of the screen pack aperture of carbonized ceramic filter more than cone ceramic filter；
Further, the filter mesh minimum-value aperture of the cone ceramic filter is 0.01mm；
Further, the heating carbonized ceramic filter bottom is provided with dust collection.
The good effect that the utility model has is：Indoor gas can be entered by arranging gas detecting instrument in equipment
Row detection, when the pernicious gas higher than setting value is reached, equipment meeting automatic introduces live gas after filtering, and excludes room
Interior pernicious gas；Carbonized ceramic filter is heated by the setup of entrances and exits in equipment, natural air mistake can not only be carried out
Filter, and heating carbonization can be carried out to dust of attachment etc. on screen pack；By the way that heating carbonized ceramic filter is arranged to
Top inclined state laterally, is conducive to dust to come off downwards, can reduce the dust for getting in, and is more beneficial for preventing
The blocking of heating carbonized ceramic filter, increases the circulation of air；By arranging heating in heating carbonized ceramic filter
Device, can will be filtered through heating, and the dust on screen pack is carbonized, and be conducive to dust to separate from filter bores, using two-way
Rotation blower fan blows out in the dust being carbonized；By arranging cone ceramic filter in equipment, meet air-flow principle, reduce empty
Resistance when air-flow is logical, cone ceramic filter flow is compared with panel filter, it is possible to increase more than two times, this cone
Ceramic filter with life-span length, is easy to cleaning compared with general filter, repeats the characteristics of utilizing, and can also reduce sky
Air-flow leads to the noise for causing, and particularly arranges dust collecting in cone ceramic filter periphery, and bottom is provided with drawer type
Dust collecting box, can prevent environmental pollution；By making the intermittence rotating of bidirectional rotation blower fan, it is prevented from dust blocking and adds
Hot carbonized ceramic filter and cone ceramic filter, can carry out the displacement of indoor and outdoor air, and indoor holding air can be made new
It is fresh；By the built-in drop voltage component in heating carbonized ceramic filter, it is ensured that the safety of heating voltage, heating is prevented from
During high voltage risk；By arranging current detecting instrument in bidirectional rotation fan circuit, when spongy micropore ceramics mistake
After dust in filter screen is excessive, the load of bidirectional rotation blower fan is increased, after bidirectional rotation fan operation electric current reaches setting value,
Intelligent controller is obtained after feedback information, can connect heater heating, separates dust carbonization, and bidirectional rotation blower fan is to outdoor row
Wind, blowout carbonization dust；By arranging rectangular heater strip in heating carbonized ceramic filter, the uniform of heating is ensure that
Change, while can also be using bidirectional rotation blower fan to indoor conveying warm braw in winter, it is ensured that indoor temperature；By in natural air
The conventional purifier such as electrostatic precipitator and/or active carbon filter and/or ozone-removing device is equipped with equipment, be ensure that
Fine particle in air is further purified, humidity can further be reduced, and ozone is further removed, will
Purify air is incorporated into interior from outdoor.By using the room air displacement purge equipment in the utility model, first can
Ensure the pure of air, while the frequent replacing of screen pack can be reduced, it is possible to decrease the cost of equipment running stores, while can be with
Purified treatment is carried out to dust, is turned waste into wealth, this equipment is also used as the heating system in winter and uses, and winter Indoor Temperature is spent
It is low, it is ensured that indoor temperature, by intelligentized control method, make room air pressure complete indoor and outdoor more than the pressure reduction of ambient atmospheric pressure
Air exchange, can reduce the maintenance frequency of equipment, the input of the human and material resources in terms of maintenance be reduced, because equipment reduces wind
The number of units of machine, reduces the heat exchanger used in usual air purifier, without can reduce manufacturing cost, and can drop
The noise that low many Fans cause, cheap compared with air purifier before, simple structure, purification efficiency is high, is
A kind of environmentally friendly machine.
Description of the drawings
Fig. 1 overall structure diagrams of the present utility model.
Fig. 2 heats the structural representation of carbonized ceramic filter.
Label declaration：10- equipment bodies, 11- dust collections, 12- heating carbonized ceramic filters, 13- cones ceramics
Filter, 13a- dust collectings, 13b- dust collecting boxes, 14- bidirectional rotation blower fans, 14a- fan blades, 15- electrostatic are removed
Dirt device, 16- active carbon filters, 17- ozone-removing devices, 18- anion generators, 19- clean air outlets, the inspection of 20- gases
Survey instrument, 30- ceramic filters portion, 31- drop voltage components, 32- power lines, 33- ceramic heaters.
Specific embodiment
In following equipment, equipment is disposed in the interior, and the air access ports of equipment stretch to outdoor, and indoor side is referred to as interior
Side, the pipe side for stretching to outdoor side part is referred to as outside.
The technical solution of the utility model is a kind of intelligent indoor air displacement purge equipment, and Fig. 1 is the utility model
Overall structure diagram, wherein, 10 is equipment body, the equipment body 10 include electrostatic precipitator 15, activated carbon filter
Device 16, ozone-removing device 17 and anion generator 18, the room air displacement purge equipment from air access ports 21 to
Equipment inner side is disposed with heating carbonized ceramic filter, bidirectional rotation blower fan 14, cone ceramic filter 13, electrostatic precipitation
Device 15, active carbon filter 16, ozone-removing device 17, the heating carbonized ceramic of anion generator 18 filter 12, through purification
Air send into interior from clean air outlet 19, heating carbonized ceramic filter 12 and cone ceramic filter 13 are spongy
Microporous ceramic filter, the top of heating carbonized ceramic filter 12 is obliquely installed laterally, and equipment periphery sets with indoor interconnecting part
Automatic gas sample tap is equipped with, automatic gas sample tap is provided with gas detecting instrument 20, current detecting instrument is provided with equipment, separately
Lead to outdoor on an outer direction, equipment is equipped with intelligent controller.
Fig. 2 is the structural representation for heating carbonized ceramic filter.By certain in the heating carbonized ceramic filter 12
Spacing is provided with rectangular heater strip, and equipped with low-pressure heating power supply in heater strip, 32 is power line, power line be 220V or with
On power supply, using drop voltage component 31 will be safe voltage, heater strip is sealed in high density ceramic, close in high density ceramic
Envelope be provided with drop voltage component 31, ceramic heater 33 heater strip intermittence heating, 30 be ceramic filter portion, ceramic filter portion
30 is spongy micropore ceramic filter net.
Described pernicious gas includes that formaldehyde, carbon dioxide, benzene etc. are unfavorable for healthy gas.
The cone of the cone ceramic filter 13 is horizontally disposed with, and cone base is provided with powder towards inner side, cone periphery
Dirt collection device 13a, bottom is provided with drawer type dust collecting box 13b, from the natural air of outside suction, ceramic with cone
During 13 surface collision of filter, can collect in dust collecting 13a, in finally falling to the dust collecting box 13b for dividing into.
In equipment, outside screen pack mesh is more than inner side screen pack mesh, subtracts successively to inner side screen pack mesh from outside
It is little, heat the filter mesh aperture of the screen pack aperture more than cone ceramic filter 13 of carbonized ceramic filter 12.
The air outlet slit and entrance of the equipment is a pipeline, and the intermittent rotating of the bidirectional rotation blower fan 14 is electric
Stream detector is connected with detection bidirectional rotation blower fan 14.
In the present embodiment, the electrostatic precipitator 15, ozone-removing device 17, ion generator 18, bidirectional rotation blower fan 14,
Heating carbonized ceramic filter 12 is connected respectively with intelligent controller output end, in addition, being additionally provided with active carbon filter 16, cone
Body ceramic filter 13, the gas detecting instrument 20 and current detecting instrument are connected respectively with intelligent controller input.
Cone ceramic filter 13 and heating carbonized ceramic filter 12 are spongy micropore ceramic filter net.
The air outlet slit and entrance of the equipment is a pipeline, and leads to outdoor, the interval of the bidirectional rotation blower fan 14
Property rotating, be exhausted and air inlet, realize the air displacement of indoor and outdoor, the heating carbonized ceramic filter 12 may be provided at
Air access ports pipeline is extended to outdoor by interior, and heating carbonized ceramic filter 12 also can be set directly at the port of outdoor
Portion.
The current detecting instrument of bidirectional rotation blower fan 14, when air inducing, bidirectional rotation blower fan are connected with the intelligent controller
14 electric currents are reached after setting value, and heating carbonized ceramic filter 12 is also carried out heating, and heating maximum temperature is 1100 DEG C.
The fan blade 14a of the bidirectional rotation blower fan 14 to a direction rotate when to indoor air inducing, to another
It is air draft when direction rotates.
In the present embodiment, heat and bidirectional rotation blower fan is utilized between carbonized ceramic filter 12 and bidirectional rotation blower fan 14
Blower fan lower interface 13a connections, connected using cone connection 11 between heating carbonized ceramic filter 12 and air intake 21
Connect, connected using blower fan upper interface 13b between bidirectional rotation blower fan 14 and electrostatic precipitator 15.
The filter mesh minimum-value aperture of the cone ceramic filter 13 is 0.01mm.
Filter mesh hole of the screen pack aperture of the heating carbonized ceramic filter 12 more than cone ceramic filter 13
Footpath.
The bottom of heating carbonized ceramic filter 12 is provided with carbonization dust collection 11.
Intelligent indoor air displacement purge method is using equipment as above, the automatic detection room of gas detecting instrument 20
Interior toxic gas, by testing result intelligent controller is fed back to, intelligent controller according to measurement result, according in intelligent controller
The parameter automatic electrostatic precipitator 15 of setting and/or ozone-removing device 17 and/or anion generator 18, heating carbonization pottery
Porcelain filter 12, bidirectional rotation blower fan 14 according to corresponding setting time, air quantity, electric current carry out air displacement, to introduce air
In pernicious gas carry out filtration exclusion, dust carbonization, timing reversely purging, dust collection, therebetween, or filtered using activated carbon
Device 16 to gas dehumidification, until room air reaches the quality standard of the pure and fresh value of one-level air above, current detecting instrument and detection
Bidirectional rotation blower fan 14 connects, and detects the current value in the operation process of bidirectional rotation blower fan 14, during air inducing, when current detecting instrument inspection
Measure the electric current of bidirectional rotation blower fan 14 to rise to after setting value, heating carbonized ceramic filter begins to warm up, to being attached to heating
Dust heating on carbonized ceramic filter is carbonized, is heated to after design temperature, and bidirectional rotation blower fan is outwards dried, to including adding
The dust that hot carbonized ceramic filter 12 adheres on interior multiple filters carries out purging cleaning, while room air is arranged
Remove, line replacement is entered to room air.
The utility model in equipment by arranging gas detecting instrument 20, indoor gas can be detected, when reaching
Higher than setting value pernicious gas when, equipment can automatic, introduce live gas after filtering, discharge indoor pernicious gas；
By using electrostatic precipitator 15, active carbon filter 16, ozone-removing device 17, anion generator 18, can be to outdoor empty
Gas carries out the process such as dedusting, filtration, purification, dehumidifying, and purify air is incorporated into into interior from outdoor；Gone out by the air in equipment
Entrance arranges heating carbonized ceramic filter 12, can not only carry out natural air and be filtered, and can be on screen pack
Dust of attachment etc. is heated, and is separated between dust and filter screen；Added by arranging in heating carbonized ceramic filter 12
Hot device, can by screen pack by heating, by screen pack dust carbonization, it is separated from one another, using bidirectional rotation blower fan 14 will
The dust of carbonization is blowed to；By the way that heating carbonized ceramic filter 12 is arranged to into top inclined state laterally, be conducive to powder
Dirt comes off downwards, can reduce the dust for getting in, and is more beneficial for the blocking for preventing from heating carbonized ceramic filter 12, increases
The circulation of big air；By arranging cone ceramic filter 13 in equipment, meet gas rheology principle, reduce air circulation
When resistance, the flow of cone ceramic filter 13 is compared with panel filter, it is possible to increase more than two times, this cone ceramics
Filter 13 with life-span length, is easy to cleaning compared with general filter, repeats the characteristics of utilizing, and can also reduce air
The noise that circulation causes, particularly arranges dust collecting 13a in the periphery of cone ceramic filter 13, and bottom is provided with drawer
Formula dust collecting box 13b, can prevent environmental pollution；By making the intermittent rotating of bidirectional rotation blower fan 14, powder is prevented from
Dirt blocking heating carbonized ceramic filter 12 and cone ceramic filter 13, can carry out the displacement of indoor and outdoor air, can make room
Interior holding air is fresh；By the built-in drop voltage component 31 in heating carbonized ceramic filter 12, it is ensured that heating voltage
Safety, the high voltage risk being prevented from heating process；By to arranging current detecting instrument in the circuit of bidirectional rotation blower fan 14,
After the dust in spongy micropore ceramic filter net is excessive, the load of bidirectional rotation blower fan 14, bidirectional rotation blower fan can be increased
14 electric current can rise, and after the running current of bidirectional rotation blower fan 14 reaches setting value, intelligent controller can connect heater and add
Heat, bidirectional rotation blower fan 14 to outdoor air draft, can carry out the operation of the series such as dust heating carbonization, air draft, recovery；By adding
Rectangular heater strip is set in hot carbonized ceramic filter 12, the homogenization of heating is ensure that, while can be with profit in winter
With heater to indoor conveying warm braw, it is ensured that indoor temperature；By being equipped with electrostatic precipitator 15, activity in natural air equipment
The conventional purifier such as carbon filter 16, ozone-removing device 17, ensure that the fine particle in air is obtained further
Purification, humidity can be reduced further, and ozone is removed.It is net by using the room air displacement in the utility model
Change equipment, ensure that first the pure of air, while the frequent replacing of screen pack can be reduced, it is possible to decrease equipment running stores
Cost, while purified treatment can also be carried out to dust, this equipment is also used as the heating system in winter and uses, in winter room
Temperature is too low, it is ensured that indoor temperature, by intelligentized control method, room air pressure is completed more than the pressure reduction of ambient atmospheric pressure
Indoor and outdoor air is exchanged, and can reduce the maintenance frequency of equipment, the input of the human and material resources in terms of maintenance is reduced, with traditional sky
Gas purifier is compared because equipment reduces the number of units of blower fan, reduces the heat exchanger used in usual air purifier, no
Jing can reduce manufacturing cost, and can reduce the noise that many Fans cause, compared with air purifier before, valency
Lattice are cheap, simple structure, and purification efficiency is high, is a kind of environmentally friendly machine.
Claims (9)
1. a kind of intelligent indoor air displacement purge equipment, including electrostatic precipitator, active carbon filter, ozone-removing device with
And anion generator, it is characterised in that：The room air displacement purge equipment from air access ports to equipment inner side successively
It is provided with heating carbonized ceramic filter, bidirectional rotation blower fan, cone ceramic filter, electrostatic precipitator and/or activated carbon mistake
Filter and/or ozone-removing device and/or anion generator, heating carbonized ceramic filter and cone ceramic filter are sponge
Shape microporous ceramic filter, heating carbonized ceramic filter top is obliquely installed laterally, and equipment periphery is provided with and connects with indoor
Logical automatic sampling mouth, automatic sampling mouth is provided with gas detecting instrument, and current detecting instrument is provided with equipment, and equipment is further equipped with
Intelligent controller.
2. a kind of intelligent indoor air displacement purge equipment according to claim 1, it is characterised in that：The electrostatic is removed
Dirt device and/or ozone-removing device and/or anion generator, heating carbonized ceramic filter, bidirectional rotation blower fan respectively with intelligence
Energy controller output end connection, the gas detecting instrument and current detecting instrument are connected respectively with intelligent controller input.
3. a kind of intelligent indoor air displacement purge equipment according to claim 1, it is characterised in that：The heating carbon
Change and be provided with a certain distance in ceramic filter in rectangular heater strip, heater strip equipped with low-pressure heating power supply, heater strip
It is sealed in high density ceramic, high density ceramic interior sealing is provided with drop voltage component, the heating of heater strip intermittence.
4. a kind of intelligent indoor air displacement purge equipment according to claim 1, it is characterised in that：The cone pottery
The cone of porcelain filter is horizontally disposed with, and cone base ancillary equipment inner side, cone periphery is provided with dust collecting, and bottom sets
It is equipped with drawer type dust collecting box.
5. a kind of intelligent indoor air displacement purge equipment according to claim 1, it is characterised in that：The equipment
Air outlet slit and entrance be a pipeline and lead to outdoor, the bidirectional rotation blower fan intermittence rotating, current detecting instrument with
The blower fan connection of detection bidirectional rotation.
6. a kind of intelligent indoor air displacement purge equipment according to claim 1, it is characterised in that：The heating carbon
It is 1100 DEG C to change ceramic filter heating maximum temperature.
7. a kind of intelligent indoor air displacement purge equipment according to claim 1, it is characterised in that：In equipment, by
Outside to the mesh of equipment inner side, multiple screen packs or filter is sequentially reduced, and heats the filter mesh of carbonized ceramic filter
Filter mesh aperture of the footpath more than cone ceramic filter.
8. a kind of intelligent indoor air displacement purge equipment according to claim 1, it is characterised in that：The cone pottery
The filter mesh minimum-value aperture of porcelain filter is 0.01mm.
9. a kind of intelligent indoor air displacement purge equipment according to claim 1, it is characterised in that：The heating carbon
Change ceramic filter bottom and be provided with dust collection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620969789.6U CN206131156U (en) | 2016-08-30 | 2016-08-30 | Intelligent room air replacement clarification plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620969789.6U CN206131156U (en) | 2016-08-30 | 2016-08-30 | Intelligent room air replacement clarification plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206131156U true CN206131156U (en) | 2017-04-26 |
Family
ID=58565101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620969789.6U Active CN206131156U (en) | 2016-08-30 | 2016-08-30 | Intelligent room air replacement clarification plant |
Country Status (1)
| Country | Link |
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| CN (1) | CN206131156U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106152288A (en) * | 2016-08-30 | 2016-11-23 | 安阳恒安电机有限公司 | A kind of Intelligent indoor air displacement purge equipment and method |
| WO2019037314A1 (en) * | 2017-08-23 | 2019-02-28 | 苏州赛硕拉不锈钢制品有限公司 | Ventilator capable of automatic control and purification |
-
2016
- 2016-08-30 CN CN201620969789.6U patent/CN206131156U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106152288A (en) * | 2016-08-30 | 2016-11-23 | 安阳恒安电机有限公司 | A kind of Intelligent indoor air displacement purge equipment and method |
| WO2019037314A1 (en) * | 2017-08-23 | 2019-02-28 | 苏州赛硕拉不锈钢制品有限公司 | Ventilator capable of automatic control and purification |
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