CN203249349U - Multifunctional indoor air quality improved device - Google Patents
Multifunctional indoor air quality improved device Download PDFInfo
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- CN203249349U CN203249349U CN2013202432547U CN201320243254U CN203249349U CN 203249349 U CN203249349 U CN 203249349U CN 2013202432547 U CN2013202432547 U CN 2013202432547U CN 201320243254 U CN201320243254 U CN 201320243254U CN 203249349 U CN203249349 U CN 203249349U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model discloses a multifunctional indoor air quality improved device which comprises shell body. An air inlet and an air outlet are formed in the shell body. An air channel connecting the air inlet and the air outlet is arranged in the shell body. A fan is arranged on the air channel. A sterilization cavity, an oxygen generation device, an ozonator, a negative-ion generator, a moisture adjuster and a detecting control system are arranged in the shell body. The multifunctional indoor air quality improved device can improve indoor air from multiple aspects and has an automatic adjusting and controlling function, so that indoor air is always kept in the best state, and a good indoor environment is provided for people.
Description
Technical field
The utility model relates to air purification field, particularly a kind of multifunctional indoor air quality improvement device.
Background technology
Acceleration along with industrial expansion and urbanization, the problem of modern city Air Contamination is more and more serious, easily suffer from all serious diseases behind the air of people's suck pollution, various air pollutants enter human body by number of ways, impact on human body is again many-sided, and its harm also is very serious.
And along with people's living standard improves, the modern more and more payes attention to the quality problems of air, and works out the method and apparatus of various improvement IAQs, and wherein usage comparison is a kind of widely is air cleaner.Present air cleaner both domestic and external is a feast for the eyes, but be that active carbon filtration, anion releasing, humidification etc. are without the simple function product of Automatic Detection and Control basically, generally can only change a certain parameter (such as air-borne dust content, air humidity, anion concentration etc.) of room air, can not really play the effect of improving IAQ; And most air cleaner also too enlarges advocation to the function of anion releasing, expensive, poor practicability, even allow people that the effect of air cleaner is thrown doubt upon, hindered to a great extent the development in science and technology of real IAQ improvement.
The utility model content
For addressing the above problem, the purpose of this utility model is to provide a kind of multifunctional indoor air quality improvement device, is used for the quality of improvement room air, and the living environment of high-quality is provided.
The technical scheme that the invention for solving the technical problem adopts is:
A kind of multifunctional indoor air quality improvement device comprises housing, is provided with air intake vent and air outlet on the housing, is provided with the air channel that connects into air port and air outlet in the housing, and a blower fan is set on the air channel, is provided with in the described housing with lower member:
The catalysis sterilization chamber is used for eliminating airborne bacterium and microorganism, and described catalysis sterilization chamber is arranged on any a section of air channel, and its inside is provided with ultraviolet lamp tube, and its inwall scribbles catalyst;
Oxygenerator, for the manufacture of oxygen, the oxygen output tube of described oxygenerator connects the catalysis sterilization chamber;
Ozone generator, for the manufacture of ozone, described ozone generator connects air outlet;
Anion generator, for generation of anion, described anion generator connects air outlet;
Humidistat is used for adjusting air humidity, and described humidistat is arranged on the air channel;
Detect control system, control above-mentioned device work for detection of the parameters of air and according to testing result, described detection control system comprises central processing unit and a plurality of sensor.
As to further improvement in the technical proposal, described oxygenerator is molecular sieve oxygen generator, be provided with the scavenge trunk that connects outside atmosphere on the oxygenerator, be used for entering oxygenerator from outdoor extraction fresh air and filter manufacturing oxygen, and the nitrogen after will filtering is discharged outdoor by scavenge trunk.
As to further improvement in the technical proposal, be provided with the external oxygen hose that is positioned at outside the housing on the described oxygenerator, the user can directly obtain high-concentration oxygen from external oxygen hose, for oxygen uptake or other purposes behind the user movement, increases the function of this device.
As to further improvement in the technical proposal, be provided with on the described ozone generator and be positioned at the outer external ozone efferent duct of housing, the user can directly obtain ozone gas from external ozone efferent duct, washes dish, goes agricultural chemicals and other sterilization purposes for the user, increases the function of this device.
As to further improvement in the technical proposal, described humidistat comprises damping device and moisture-catcher.
As to further improvement in the technical proposal, described air intake vent place is provided with screen pack and electrostatic precipitator, is used for filtering and removing airborne dust.Wherein screen pack is preferably multistorey strainer mesh, comprises plain gauze, active carbon filter screen and cold catalyst filter screen.
As to further improvement in the technical proposal, the sensor of described detection control system includes oxygen concentration sensor, humidity sensor, temperature sensor, air dew point sensor, vapour pressure sensor, negative ion amount sensor and PM2.5 sensor, and the sensor connects respectively central processing unit.The sensor is that multifunctional indoor air quality improvement device of the present utility model realizes automatically regulating the sensor that must possess, in addition, sensor of the present utility model can also comprise the sensor of the other types such as level sensor, wind pressure sensor, ultraviolet light transducer, to realize perfect auto-adjustment control function.
Further, described oxygen concentration sensor comprises for detection of the first oxygen concentration sensor of indoor oxygen concentration with for detection of the second oxygen concentration sensor of the oxygen concentration of oxygenerator output.
As to further improvement in the technical proposal, described detection control system comprises for the touch-screen that shows data and input instruction, is convenient to the user and obtains every terms of information and this multifunctional indoor air quality improvement device is controlled.
As to further improvement in the technical proposal, also include accident warning device in the described detection control system, when the signal of returning when sensor feedback exceeds preset value, send alarm signal by accident warning device, accessory is adjusted or changed to prompting user.
The beneficial effects of the utility model are:
Be compared with the prior art, multifunctional indoor air quality improvement device of the present utility model can improve room air from many aspects, and with the auto-control function, make IAQ remain at optimum state, for people provide a good indoor environment.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing and example.
Fig. 1 is structural representation of the present utility model.
The specific embodiment
With reference to Fig. 1, the preferred embodiment that the utility model provides, a kind of multifunctional indoor air quality improvement device comprises the housing 1 that is provided with air intake vent 2 and air outlet 3, is provided with the air channel in the housing 1 and connects into air port 2 and air outlet 3, and a blower fan 4 is set on the air channel.Divide from function, multifunctional indoor air quality improvement device of the present utility model comprises filtration, photocatalysis, oxygenation, humidity regulation, ozone sterilization and anion regulation and control six functions module.
Air intake vent 2 places are provided with screen pack 11 and electrostatic precipitator 12.Screen pack 11 is preferably multistorey strainer mesh, comprises plain gauze, active carbon filter screen and cold catalyst filter screen, and plain gauze is arranged on outermost, is used for the larger dust granules of filtered air; Active carbon filter net is used for noxious material, the peculiar smell of absorbed air; The airborne harmful components of the further catalytic decomposition of cold catalyst filter screen.Electrostatic precipitator 12 is used for further removing airborne dust.Be arranged on the screen pack 11 of air intake vent 2 and the preliminary purification that electrostatic precipitator 12 is used for realizing air.Whether further, air intake vent 2 places also are provided with the PM2.5 sensor, up to standard for detection of room air PM2.5 value, if the value of being somebody's turn to do is larger, then strengthen the exhausting power of blower fan 4, accelerate airfiltering efficient, and open electrostatic precipitator and carry out dedusting, until the PM2.5 value drops to lower preset value.
Any one section in described air channel is provided with catalysis sterilization chamber 21, catalysis sterilization chamber 21 inside are provided with ultraviolet lamp tube 22, and catalysis sterilization chamber 21 inwalls scribble catalyst, this catalyst is photocatalyst, catalyst carries out photocatalysis under ultraviolet irradiation, the electron hole that catalyst produces makes the oxygen reduction in the catalysis sterilization chamber 21 become active ion-oxygen, utilize the active ion oxygen of high concentration that the air of flowing through is carried out degree of depth catalytic decomposition, its catalytic effect is 30 times during oxygenation not, the airborne harmful substance of thoroughly degrading further improves the effect of sterilization.
Be provided with oxygenerator 31 in the housing 1, described oxygenerator 31 is preferably molecular sieve oxygen generator, oxygenerator 31 is provided with the scavenge trunk 32 that is communicated with outside atmosphere, by scavenge trunk 32 from outdoor extraction fresh air, behind molecular sieve filtration, the oxygen input that obtains is indoor, and nitrogen is then discharged by scavenge trunk 32.Oxygen after the filtration is by the two-way output in 33 minutes of a triple valve, and wherein oxygen output tube 34 is connected to catalysis sterilization chamber 21 behind the second oxygen concentration sensor 74, is the 21 interior oxygenation of catalysis sterilization chamber and raising catalytic effect; External oxygen hose 35 then passes housing 1 and is arranged at outside the housing 1, makes things convenient for the user directly to obtain high-concentration oxygen from external oxygen hose 35, for oxygen uptake or other purposes behind the user movement.In addition, in order to realize the regulation and control of indoor oxygen concentration, air intake vent 2 is provided with for the sampling pump 5 that gathers indoor air samples, and the first oxygen concentration sensor 73 connects sampling pump 5, for detection of indoor oxygen concentration, and testing result fed back to central processing unit 72, and carry out auto-control by central processing unit 72 control oxygenerators 31, automatically airborne oxygen content is adjusted to 23-25%.The immunocompetence of these oxygenerator 31 energy Effective Raise human bodies and work, study benefit are broken away from inferior health.
Be provided with humidistat on the air channel, described humidistat comprises damping device 42 and moisture-catcher 43, and humidistat is by central processing unit 72 regulation and control, is used for air to the air channel of flowing through and carries out humidification or dry.Air intake vent 2 places are provided with humidity sensor 75, also be provided with temperature sensor 77 on the housing 1, air dew point sensor 78, vapour pressure sensor 79, be respectively applied to detect the humidity of room air, temperature, dew point value and vapour pressure, and testing result fed back to central processing unit 72, utilize mug(unit of measure) slave Si (Magnus) semiempirical formula to calculate the best rh value (except when manually setting) that is fit to human body by central processing unit 72, if the relative humidity of room air departs from the optimum value that is fit to human body, then equipment starts humidification or the function of drying automatically, automatically regulate doing of room air by circulated air, humidity transfers to optimum state.
Be provided with the ozone generator 51 for the manufacture of ozone in the housing 1, described ozone generator 51 connects air outlet 3, for the air-flow through the air channel increases ozone, when indoor long-term no one, can start ozone generator 51 manufacturing ozone gas joins in the room air, kill bacterium and microorganism in the room air, make room air keep clean, effectively prevent spread of germs and disease propagation.Also be provided with external ozone efferent duct 52 on the ozone generator 51, described external ozone efferent duct 52 passes housing 1 and is arranged on outside the housing 1, the user can directly obtain the ozone gas that ozone generator 51 is made from external ozone efferent duct 52, washes dish, goes agricultural chemicals and other sterilization purposes for the user.
Also be provided with the anion generator 61 for generation of anion in the housing 1, anion generator 61 connects air outlet 3, also be provided with the negative ion amount sensor 76 for detection of anion concentration at air outlet 3 places, if airborne anion concentration is on the low side, then equipment starts anion generator 61 automatically, by the active negative ion that gentle breeze discharges to indoor release simulating plant blade face, this system can allow the people place oneself in the midst of among the forest.
Except above-mentioned six functions module, also be provided with on the multifunctional indoor air quality improvement device of the present utility model for the detection control system 71 of the above-mentioned functions module being carried out auto-control, detect control system 71 and comprise central processing unit 72, a plurality of sensor, display screen, input unit and accident warning device 85.Central processing unit 72 is used for the various data analysis to sensor feedback, and gives above-mentioned each functional module according to analysis result output control instruction.Sensor in the present embodiment includes oxygen concentration sensor, humidity sensor 75, negative ion amount sensor 76, temperature sensor 77, air dew point sensor 78, vapour pressure sensor 79, high water level sensor 80, low water level sensor 81, wind pressure sensor 82, ultraviolet light transducer, PM2.5 sensor, and wherein oxygen concentration sensor comprises for detection of the first oxygen concentration sensor 73 of indoor oxygen concentration with for detection of the second oxygen concentration sensor 74 of the oxygen concentration of oxygenerator 31 outputs; Humidity sensor 75, temperature sensor 77, air dew point sensor 78, vapour pressure sensor 79 are arranged on air intake vent 2 places respectively for detection of humidity, temperature, dew point value and the vapour pressure of room air, optimize the automatic adjusting of indoor humidity; Negative ion amount sensor 76 and wind pressure sensor 82 are arranged on air outlet 3 places for detection of anion concentration and the blast of output gas flow, make output gas flow meet the setting requirement, improve the security of output gas flow; High water level sensor 80 is arranged on 43 li of moisture-catchers, and low water level sensor 81 is arranged on 42 li of damping devices, be respectively applied to detect the water level in the stream oriented device, when the water level of moisture-catcher 43 surpasses high water level sensor 80, send the water that the alarm user outwells the tank of 43 li of moisture-catchers, when the water level of damping device 42 is lower than low water level sensor 81, sends the alarm signal prompting user and add water to the tank of 42 li of damping devices; Ultraviolet light transducer avoids the ultraviolet light intensity excessive for detection of the ultraviolet ray intensity that ultraviolet lamp tube 22 sends, and the user is damaged.The present embodiment preferably adopts the touch-screen 84 of integrated demonstration and input function, is convenient to the user and obtains every terms of information and this multifunctional indoor air quality improvement device is controlled.Also be provided with accident warning device 85 in the described detection control system 71, when the signal of returning when sensor feedback exceeds preset value, send alarm signal by accident warning device 85, accessory is adjusted or changed to prompting user.
The course of work of the multifunctional indoor air quality improvement device of the present embodiment is as follows:
1, behind the opening of device power supply, at first twitch the room airs catalysis sterilization chamber 21 of behind multiple filtration, flowing through by blower fan 4, ultraviolet light in the catalysis sterilization chamber 21 produces strong photocatalysis to the catalyst of cavity inner wall, and simultaneously the air of flowing through is carried out sterilization treatment.6 sensors detect the parameters of room air simultaneously, send into central processing unit 72 and analyze, and show temperature, relative humidity, vapour pressure value, oxygen concentration value, PM2.5 value, negative ion amount and each working state of system of room air at touch-screen 84;
2, equipment is divided into manual mode and automatic mode, the parameter value that can set during manual mode is as follows: relative humidity 30-90%, oxygen content 23-35%, PM2.5 value 30-80, anion 200-1000 ten thousand/cm3, system default relative humidity 50-60% during automatic mode, oxygen content 23-25%, the PM2.5 value is below 50, more than anion 5,000,000/cm3;
3, the numerical value that detects when sensor is during with the setting value deviation, 72 of central processing units send corresponding instruction, the oxygenation of driving arrangement, humidification, dry, photocatalysis, the system works such as anion, automatically room air is adjusted to setting value, the specific works mode is as follows: 1., take room air to send into the first oxygen concentration sensor 73 by sampling pump 5 from air intake vent 2, detect the oxygen concentration value that shows current room air at touch-screen 84 through the first oxygen concentration sensor 73, if this value is lower than setting value, then oxygenerator 31 work, output high-concentration oxygen (more than 95%) is sent to catalysis sterilization chamber 21 after through the second oxygen concentration sensor 74, the oxygen concentration value that the second oxygen concentration sensor 74 detects shows at touch-screen 84, when if this value is lower than 70%, provide alarm signal by accident warning device 85, prompting needs to change oxygen molecular sieve processed; 2., after high-concentration oxygen is input to catalysis sterilization chamber 21, the electron hole that is produced by catalyst makes oxygen reduction become active ion-oxygen, utilize the active ion oxygen of high concentration that the air of flowing through is carried out degree of depth catalytic decomposition, its catalytic effect is 30 times during oxygenation not, the airborne harmful substance of thoroughly degrading, give indoor oxygen-enhanced with moving air through air outlet 3 behind high-concentration oxygen and the catalyst action, increase to setting value to indoor oxygen concentration, then stop oxygenerator 31; 3., oxygenerator 31 by scavenge trunk 35 with the nitrogen of filtering in the room air discharged to outdoor, simultaneously outdoor fresh air is drawn back indoor; 4., central processing unit 72 is by carrying out analysis-by-synthesis to parameter values such as the temperature of room air, relative humidity, vapour pressure value, air dew points, utilize mug(unit of measure) slave Si (Magnus) semiempirical formula to calculate the best rh value (except when manually setting) that is fit to human body, if the relative humidity of room air departs from this value, then damping device 42 or moisture-catcher 43 starts, and the regulation of relative humidity of air is stopped to optimum state; If 5. the PM2.5 value of room air is higher, then equipment runs on fast state with blower fan 4, increases airfiltering efficient; Start simultaneously electrostatic precipitator 12, remove airborne fine particle, recover to change normal operation over to after the setting value to PM2.5; 6., when airborne negative ion amount is lower than when setting value, anion generator 61 starts, and gives indoor increase anion, stops when reaching setting value; 7., when indoor nobody the time can carry out without the dead angle sterilization room air by the set time of 51 timing setting every days of ozone generator, press external ozone key then high-concentrated ozone gas be passed to outside the machine by external ozone efferent duct 52, wash dish, go agricultural chemicals and other sterilization purposes for the user; 8., press external oxygen key then oxygenerator outside machine, export high-concentration oxygen, for oxygen uptake or other purposes behind the user movement.
In addition, this multifunctional indoor air quality improvement device also has the warning system that realizes following functions: 1) at air outlet 3 places wind pressure sensor 82 is housed, detection signal is sent into central processing unit 72, if blast reduces, then warning system provides alarm signal, and filter screen will be changed or clean to prompting; 2) the second oxygen concentration sensor 74 detects the oxygen concentration of oxygenerator 31 outlets, if oxygenerator 31 is opened, when oxygen concentration herein was lower than 70%, system provided alarm signal, and oxygen molecular sieve processed is changed in prompting; 3) in the catalysis sterilization chamber 21 ultraviolet light transducer is arranged, if ultraviolet lamp tube 22 damages, ultraviolet light transducer provides without optical signal, and system provides alarm signal, and ultraviolet lamp tube 22 is changed in prompting; 4) in the damping device 42 low water level sensor 81 is arranged, if water level is on the low side, this device provides signal of water shortage, and system provides lack of water and reports to the police, and is prompted to atomising device and adds water; 5) in the moisture-catcher 43 high water level sensor 80 is arranged, if water is full, system is to the full alarm signal of water outlet, and prompting checks drainage pipeline; 6) on the motor of the devices such as blower fan 4, oxygenerator 31, moisture-catcher 43 overheat switch is housed all, if these motor break down, then system provides alarm signal, points out the maintenance that needs repairing.
The above is preferred embodiment of the present utility model, and the utility model is not limited to above-mentioned embodiment, as long as it reaches technique effect of the present utility model with identical means, all should belong to protection domain of the present utility model.
Multifunctional indoor air quality improvement device of the present utility model can improve room air from many aspects, and with the auto-control function, makes IAQ remain at optimum state, for people provide a good indoor environment.
Claims (10)
1. a multifunctional indoor air quality improvement device comprises housing, is provided with air intake vent and air outlet on the housing, be provided with the air channel that connects into air port and air outlet in the housing, one blower fan is set on the air channel, it is characterized in that, be provided with in the described housing with lower member:
The catalysis sterilization chamber is used for eliminating airborne bacterium and microorganism, and described catalysis sterilization chamber is arranged on any a section of air channel, and its inside is provided with ultraviolet lamp tube, and its inwall scribbles catalyst;
Oxygenerator, for the manufacture of oxygen, the oxygen output tube of described oxygenerator connects the catalysis sterilization chamber;
Ozone generator, for the manufacture of ozone, described ozone generator connects air outlet;
Anion generator, for generation of anion, described anion generator connects air outlet;
Humidistat is used for adjusting air humidity, and described humidistat is arranged on the air channel;
Detect control system, control above-mentioned device work for detection of the parameters of air and according to testing result, described detection control system comprises central processing unit and a plurality of sensor.
2. a kind of multifunctional indoor air quality improvement device according to claim 1, it is characterized in that: described oxygenerator is molecular sieve oxygen generator, is provided with the scavenge trunk that connects outside atmosphere on the oxygenerator.
3. a kind of multifunctional indoor air quality improvement device according to claim 1 is characterized in that: be provided with the external oxygen hose that is positioned at outside the housing on the described oxygenerator.
4. a kind of multifunctional indoor air quality improvement device according to claim 1 is characterized in that: be provided with the external ozone efferent duct that is positioned at outside the housing on the described ozone generator.
5. a kind of multifunctional indoor air quality improvement device according to claim 1, it is characterized in that: described humidistat comprises damping device and moisture-catcher.
6. a kind of multifunctional indoor air quality improvement device according to claim 1, it is characterized in that: described air intake vent place is provided with screen pack and electrostatic precipitator.
7. a kind of multifunctional indoor air quality improvement device according to claim 1, it is characterized in that: the sensor of described detection control system includes oxygen concentration sensor, humidity sensor, temperature sensor, air dew point sensor, vapour pressure sensor, negative ion amount sensor and PM2.5 sensor, and the sensor connects respectively central processing unit.
8. a kind of multifunctional indoor air quality improvement device according to claim 7 is characterized in that: described oxygen concentration sensor comprises for detection of the first oxygen concentration sensor of indoor oxygen concentration with for detection of the second oxygen concentration sensor of the oxygen concentration of oxygenerator output.
9. a kind of multifunctional indoor air quality improvement device according to claim 1 is characterized in that: described detection control system comprises for the touch-screen that shows data and input instruction.
10. a kind of multifunctional indoor air quality improvement device according to claim 1, it is characterized in that: described detection control system also comprises accident warning device.
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| CN2013202432547U CN203249349U (en) | 2013-05-07 | 2013-05-07 | Multifunctional indoor air quality improved device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013202432547U CN203249349U (en) | 2013-05-07 | 2013-05-07 | Multifunctional indoor air quality improved device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267322A (en) * | 2013-05-07 | 2013-08-28 | 方春风 | Multifunctional indoor air quality improving device |
| CN104566632A (en) * | 2013-10-24 | 2015-04-29 | 万忠清 | Module combination type air purifier |
| CN105402824A (en) * | 2015-11-11 | 2016-03-16 | 贵州全世通精密机械科技有限公司 | Purifier with oxygen enrichment humidifying function |
| CN106979577A (en) * | 2016-01-15 | 2017-07-25 | 天津悦利科技有限公司 | A kind of air cleaning system |
| CN107577265A (en) * | 2017-09-30 | 2018-01-12 | 广州未名雷蒙特实验室科技有限公司 | A kind of new intelligent 3D boiler-plates |
| CN108980999A (en) * | 2018-07-16 | 2018-12-11 | 潍坊学院 | A kind of indoor air cleaning system based on intelligent control |
-
2013
- 2013-05-07 CN CN2013202432547U patent/CN203249349U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267322A (en) * | 2013-05-07 | 2013-08-28 | 方春风 | Multifunctional indoor air quality improving device |
| CN103267322B (en) * | 2013-05-07 | 2015-09-30 | 方春风 | A kind of multifunctional indoor air quality improvement device |
| CN104566632A (en) * | 2013-10-24 | 2015-04-29 | 万忠清 | Module combination type air purifier |
| CN105402824A (en) * | 2015-11-11 | 2016-03-16 | 贵州全世通精密机械科技有限公司 | Purifier with oxygen enrichment humidifying function |
| CN106979577A (en) * | 2016-01-15 | 2017-07-25 | 天津悦利科技有限公司 | A kind of air cleaning system |
| CN107577265A (en) * | 2017-09-30 | 2018-01-12 | 广州未名雷蒙特实验室科技有限公司 | A kind of new intelligent 3D boiler-plates |
| CN108980999A (en) * | 2018-07-16 | 2018-12-11 | 潍坊学院 | A kind of indoor air cleaning system based on intelligent control |
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Granted publication date: 20131023 Effective date of abandoning: 20150930 |
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