CN105066259A - Intelligent air purifying device considering indoor temperature - Google Patents

Intelligent air purifying device considering indoor temperature Download PDF

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Publication number
CN105066259A
CN105066259A CN201510561839.7A CN201510561839A CN105066259A CN 105066259 A CN105066259 A CN 105066259A CN 201510561839 A CN201510561839 A CN 201510561839A CN 105066259 A CN105066259 A CN 105066259A
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CN
China
Prior art keywords
air
indoor
outdoor
air inlet
return
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Granted
Application number
CN201510561839.7A
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Chinese (zh)
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CN105066259B (en
Inventor
陆海全
赵培伟
聂丽莎
金婧
姚水良
韩竞一
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Nantong Chengyang Experiment Equipment Co ltd
Original Assignee
ANJI RUNFENG AIR PURIFICATION TECHNOLOGY Co Ltd
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Priority to CN201510561839.7A priority Critical patent/CN105066259B/en
Publication of CN105066259A publication Critical patent/CN105066259A/en
Application granted granted Critical
Publication of CN105066259B publication Critical patent/CN105066259B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/50Air quality properties
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/16Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/84Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • F24F2110/12Temperature of the outside air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/50Air quality properties
    • F24F2110/52Air quality properties of the outside air
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Quality & Reliability (AREA)
  • Air Conditioning Control Device (AREA)
  • Ventilation (AREA)

Abstract

The invention relates to an intelligent air purifying device considering indoor temperature and belongs to the technical field of air purifiers. The intelligent air purifying device comprises an air inlet arranged outdoors, an air return opening arranged indoors, an air purifying unit, an outdoor detection sensor, an indoor detection sensor and a display controller. The display controller judges the air pollution degree of indoor air and outdoor air and the indoor and outdoor temperature difference according to an air pollutant concentration value and a temperature value which are sent back by the outdoor detection sensor and the indoor detection sensor, and therefore the air inlet and/or the air return opening are/is selectively opened and closed. According to the intelligent air purifying device, the functions of a primary air system and an indoor air purifier are well combined, the indoor air is purified in a targeted mode through different control ways, the current indoor and outdoor air quality is visually known through automatic detection, adjustment can be carried out according to the indoor and outdoor temperature difference, and the intelligent air purifying device realizes household life concepts of health, energy conservation, comfort, intelligence, convenience and the like.

Description

A kind of intelligent air purification device of both in-door temperature
Technical field
The present invention relates to a kind of intelligent air purification device of both in-door temperature, belong to air purifier technical field.
Background technology
Along with improving constantly of people's living standard, various decoration material, furniture and household chemicals enter indoor in a large number, and the source of indoor pollutant and kind are got more and more.Meanwhile, in order to save the energy, the seal of modern architecture is constantly strengthened, and makes indoor fresh air quantity not sufficient, has increased the weight of again room air pollution from another side.
There is two problems when removing indoor harmful gas by indoor closed circulation in air purifier in the market, one is that purification speed is slow, and two is to introduce fresh air.There is the VMC of air-cleaning function when running into Outdoor Air Quality and being too poor, enter indoor air after the purification of once-through VMC and still can not be up to state standards, while can not ensureing to introduce new wind, obtain clean air.
Summary of the invention
The present invention will solve the problems of the technologies described above, thus provides a kind of intelligent air purification device.
The technical scheme that the present invention solves the problem is as follows:
An intelligent air purification device for both in-door temperature, comprises air inlet disposed in the outdoor, return air inlet disposed in the interior, air cleaning member and air outlet; After air sucks via described air inlet and/or return air inlet, then enter indoor through the process of described air cleaning member; Also comprise the outdoor detecting sensor for detecting Outdoor Air Quality and outside air temperature, for detecting indoor detecting sensor, the display controller of IAQ and indoor air temperature; The air pollutant concentration value that display controller is passed back according to outdoor detecting sensor and indoor detecting sensor and temperature value, judge contaminated degree and the indoor/outdoor temperature-difference of indoor-outdoor air accordingly, thus optionally open and close described air inlet and/or return air inlet.
Preferred as technique scheme, also comprises air intake adjustable valve and return adjustable valve; The amount of the air sucked from air inlet and return air inlet is controlled by described air intake adjustable valve and return adjustable valve.
Preferred as technique scheme, also comprises blender, before being arranged on air cleaning member, makes to mix from described air inlet with from the air that described return air inlet sucks.
Preferred as technique scheme, described intelligent air purification device has following three kinds of adjustable modes,
Pattern one: air quality model, under this pattern, display controller is only according to the air pollutant concentration that outdoor detecting sensor and indoor detecting sensor are passed back, automatically outdoor AQI value and indoor AQI value is calculated, judge the contaminated degree of indoor-outdoor air according to outdoor AQI value and indoor AQI value, thus optionally open and close described air inlet and/or return air inlet;
Pattern two, air themperature pattern, under this pattern, the Indoor Temperature angle value of the indoor and outdoor temperature value that display controller is only passed back according to outdoor detecting sensor and indoor detecting sensor and setting judges the air themperature level of comfort of indoor and outdoor, thus optionally opens and closes described air inlet and/or return air inlet;
Pattern three, aggregative model, the air pollutant concentration that display controller is passed back according to outdoor detecting sensor and indoor detecting sensor on the one hand, automatically outdoor AQI value and indoor AQI value is calculated, the contaminated degree of indoor-outdoor air is judged according to outdoor AQI value and indoor AQI value, the indoor and outdoor temperature value passed back according to outdoor detecting sensor and indoor detecting sensor on the other hand and the Indoor Temperature angle value of setting judge the air themperature level of comfort of indoor and outdoor, the respective intake of the described air inlet of comprehensive decision and described return air inlet; Adopt following scheme during comprehensive decision: adopt many " point " to measure scheme, automatically gather the real time energy consumption data under multiple " point ", adjust the amount of the air sucked from air inlet and return air inlet according to the numerical values recited of real time energy consumption; The ratio of the air that described " point " namely sucks from air inlet and return air inlet; Real time energy consumption numerical value=mixing air purification energy consumption+mixing air heat exchange energy consumption.
Preferred as technique scheme, the grading of AQI value is as follows: 0 ~ 50 be one-level, 51 ~ 100 be level Four for secondary, 101 ~ 150 is three grades, 151 ~ 200,201 ~ 300 be Pyatyi, > 300 is six grades;
Pattern is once:
When indoor AQI is one-level, the flow of described air intake adjustable valve and return adjustable valve is zero;
When indoor AQI is non-one-level, as follows:
A), outdoor AQI rank >=indoor AQI rank, close air intake adjustable valve and open return adjustable valve;
B), the indoor AQI rank of outdoor AQI rank <: , indoor AQI six grades, open air intake adjustable valve and close return adjustable valve; indoor non-six grades of AQI, air intake adjustable valve and return adjustable valve are all opened, and air intake flow > return air flow.
In sum, the present invention has following beneficial effect:
The present invention combines the function of VMC and indoor air cleaner very well, and targetedly room air is purified by different control model, the air quality of current indoor outdoor is understood intuitively by Aulomatizeted Detect, it can also regulate according to the difference of indoor and outdoor temperature, when such as summer, outside air temperature was significantly higher than indoor air temperature or winter makes outdoor temperature significantly lower than indoor air temperature, switch to temperature shaping modes, only use air return system and open air cleaning member, suppose that room air also exists the situation of severe contamination, ratio is if any more smoker, cause air severe contamination, at this moment aggregative model can be switched to, under this pattern, the air pollutant concentration that display controller is passed back according to outdoor detecting sensor and indoor detecting sensor on the one hand, automatically outdoor AQI value and indoor AQI value is calculated, the contaminated degree of indoor-outdoor air is judged according to outdoor AQI value and indoor AQI value, the indoor and outdoor temperature value passed back according to outdoor detecting sensor and indoor detecting sensor on the other hand and the Indoor Temperature angle value of setting judge the air themperature level of comfort of indoor and outdoor, the respective intake of the described air inlet of comprehensive decision and described return air inlet, therefore, this Intelligent purifying device achieves the health of life staying idle at home, the theory such as energy-conservation, comfortable, intelligent, convenient.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
In figure, 1-air inlet, 2-air intake adjustable valve, 3-return air inlet, 4-return adjustable valve, 5-blender, 6-air cleaning member, 7-air outlet, the outdoor detecting sensor of 8-, the indoor detecting sensor of 9-, 10-display controller.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further detailed.
This detailed description of the invention is only explanation of the invention, is not limitation of the present invention.Any change that those skilled in the art have made after having read description of the present invention, as long as in the scope of claims, all will be subject to the protection of Patent Law.
As shown in Figure 1, an intelligent air purification device for both in-door temperature, comprise air inlet 1 disposed in the outdoor, air intake adjustable valve 2, return air inlet 3 disposed in the interior, return adjustable valve 4, blender 5, air cleaning member 6, air outlet 7, for detect Outdoor Air Quality and outside air temperature outdoor detecting sensor 8, for detecting indoor detecting sensor 9 and the detection display controller 10 of IAQ and indoor air temperature.
After air sucks via described air inlet 1 and/or return air inlet 3, then enter indoor through the process of described air cleaning member 6; The air pollutant concentration value that display controller 10 is passed back according to outdoor detecting sensor 8 and indoor detecting sensor 9 and temperature value, judge contaminated degree and the indoor/outdoor temperature-difference of indoor-outdoor air accordingly, thus optionally open and close described air inlet 1 and/or return air inlet 3.
Described air intake adjustable valve 2 and return adjustable valve 4 control the amount of the air sucked from air inlet 1 and return air inlet 3.
Before blender 5 is arranged on air cleaning member 6, make from described air inlet, 1 and mix from the air that described return air inlet 3 sucks.
Described intelligent air purification device has following three kinds of adjustable modes,
Pattern one: air quality model, under this pattern, display controller 10 is only according to the air pollutant concentration that outdoor detecting sensor 8 and indoor detecting sensor 9 are passed back, automatically outdoor AQI value and indoor AQI value is calculated, judge the contaminated degree of indoor-outdoor air according to outdoor AQI value and indoor AQI value, thus optionally open and close described air inlet 1 and/or return air inlet 3;
Pattern two, air themperature pattern, under this pattern, the Indoor Temperature angle value of the indoor and outdoor temperature value that display controller 10 is only passed back according to outdoor detecting sensor 8 and indoor detecting sensor 9 and setting judges the air themperature level of comfort of indoor and outdoor, thus optionally opens and closes described air inlet 1 and/or return air inlet 3;
Pattern three, aggregative model, the air pollutant concentration that display controller 10 1 aspect is passed back according to outdoor detecting sensor 8 and indoor detecting sensor 9, automatically outdoor AQI value and indoor AQI value is calculated, the contaminated degree of indoor-outdoor air is judged according to outdoor AQI value and indoor AQI value, the indoor and outdoor temperature value passed back according to outdoor detecting sensor 8 and indoor detecting sensor 9 on the other hand and the Indoor Temperature angle value of setting judge the air themperature level of comfort of indoor and outdoor, the respective intake of the described air inlet 1 of comprehensive decision and described return air inlet 3; Adopt following scheme during comprehensive decision: adopt many " point " to measure scheme, automatically gather the real time energy consumption data under multiple " point ", adjust the amount of the air sucked from air inlet 1 and return air inlet 3 according to the numerical values recited of real time energy consumption; The ratio of the air that described " point " namely sucks from air inlet 1 and return air inlet 3; Real time energy consumption numerical value=mixing air purification energy consumption+mixing air heat exchange energy consumption.The grading of AQI value is as follows: 0 ~ 50 be one-level, 51 ~ 100 for secondary, 101 ~ 150 be three grades, 151 ~ 200 be level Four, 201 ~ 300 be Pyatyi, > 300 is six grades;
Pattern is once:
When indoor AQI is one-level, the flow of described air intake adjustable valve 2 and return adjustable valve 4 is zero;
When indoor AQI is non-one-level, as follows:
A), outdoor AQI rank >=indoor AQI rank, close air intake adjustable valve 2 and open return adjustable valve 4;
B), the indoor AQI rank of outdoor AQI rank <: , indoor AQI six grades, open air intake adjustable valve 2 and close return adjustable valve 4; indoor non-six grades of AQI, air intake adjustable valve 2 and return adjustable valve 4 are all opened, and air intake flow > return air flow.

Claims (5)

1. an intelligent air purification device for both in-door temperature, comprises air inlet (1) disposed in the outdoor, return air inlet disposed in the interior (3), air cleaning member (6) and air outlet (7); After air sucks via described air inlet (1) and/or return air inlet (3), then enter indoor through the process of described air cleaning member (6); It is characterized in that: also comprise the outdoor detecting sensor (8) for detecting Outdoor Air Quality and outside air temperature, for detecting indoor detecting sensor (9), the display controller (10) of IAQ and indoor air temperature; The air pollutant concentration value that display controller (10) is passed back according to outdoor detecting sensor (8) and indoor detecting sensor (9) and temperature value, judge contaminated degree and the indoor/outdoor temperature-difference of indoor-outdoor air accordingly, thus optionally open and close described air inlet (1) and/or return air inlet (3).
2. the intelligent air purification device of a kind of both in-door temperature according to claim 1, is characterized in that: also comprise air intake adjustable valve (2) and return adjustable valve (4); The amount of the air sucked from air inlet (1) and return air inlet (3) is controlled by described air intake adjustable valve (2) and return adjustable valve (4).
3. the intelligent air purification device of a kind of both in-door temperature according to claim 1 and 2, it is characterized in that: also comprise blender (5), be arranged on air cleaning member (6) front, make to mix from described air inlet (1) with from the air that described return air inlet (3) sucks.
4. the intelligent air purification device of a kind of both in-door temperature according to claim 1, is characterized in that: described intelligent air purification device has following three kinds of adjustable modes,
Pattern one: air quality model, under this pattern, display controller (10) is only according to the air pollutant concentration that outdoor detecting sensor (8) and indoor detecting sensor (9) are passed back, automatically outdoor AQI value and indoor AQI value is calculated, judge the contaminated degree of indoor-outdoor air according to outdoor AQI value and indoor AQI value, thus optionally open and close described air inlet (1) and/or return air inlet (3);
Pattern two, air themperature pattern, under this pattern, the Indoor Temperature angle value of the indoor and outdoor temperature value that display controller (10) is only passed back according to outdoor detecting sensor (8) and indoor detecting sensor (9) and setting judges the air themperature level of comfort of indoor and outdoor, thus optionally opens and closes described air inlet (1) and/or return air inlet (3);
Pattern three, aggregative model, the air pollutant concentration that display controller (10) is passed back according to outdoor detecting sensor (8) and indoor detecting sensor (9) on the one hand, automatically outdoor AQI value and indoor AQI value is calculated, the contaminated degree of indoor-outdoor air is judged according to outdoor AQI value and indoor AQI value, the indoor and outdoor temperature value passed back according to outdoor detecting sensor (8) and indoor detecting sensor (9) on the other hand and the Indoor Temperature angle value of setting judge the air themperature level of comfort of indoor and outdoor, the respective intake of the described air inlet of comprehensive decision (1) and described return air inlet (3), adopt following scheme during comprehensive decision: adopt many " point " to measure scheme, automatically gather the real time energy consumption data under multiple " point ", adjust the amount of the air sucked from air inlet (1) and return air inlet (3) according to the numerical values recited of real time energy consumption, the ratio of the air that described " point " namely sucks from air inlet (1) and return air inlet (3), real time energy consumption numerical value=mixing air purification energy consumption+mixing air heat exchange energy consumption.
5. the intelligent air purification device of a kind of both in-door temperature according to claim 4, is characterized in that:
When indoor AQI is one-level, the flow of described air intake adjustable valve (2) and return adjustable valve (4) is zero;
When indoor AQI is non-one-level, as follows:
A), outdoor AQI rank >=indoor AQI rank, close air intake adjustable valve (2) open return adjustable valve (4);
1), indoor AQI six grades b), the indoor AQI rank of outdoor AQI rank <:, open air intake adjustable valve (2) and close return adjustable valve (4); 2), non-six grades of indoor AQI, air intake adjustable valve (2) and return adjustable valve (4) are all opened, and air intake flow > return air flow.
CN201510561839.7A 2015-09-07 2015-09-07 A kind of intelligent air purification device of both in-door temperature Active CN105066259B (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106765554A (en) * 2016-11-29 2017-05-31 美的集团武汉制冷设备有限公司 Air-purifying humidification equipment and its control method
CN107355919A (en) * 2017-07-03 2017-11-17 嘉兴南洋职业技术学院 Intelligent air purifier
CN107413135A (en) * 2017-07-03 2017-12-01 嘉兴南洋职业技术学院 Multifunctional air clarifying device
WO2018032489A1 (en) * 2016-08-19 2018-02-22 赵莹颖 Intelligent air purification system
CN108715169A (en) * 2018-05-29 2018-10-30 西南交通大学 A kind of rail vehicle air cleaning system
CN113719944A (en) * 2021-09-09 2021-11-30 苏州行净环保科技有限公司 Efficient filtering method for air pollution

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CN204084734U (en) * 2014-07-09 2015-01-07 居怡乐环保科技(上海)有限公司 Air cleaning system
CN104566694A (en) * 2014-12-29 2015-04-29 河北工业大学 Intelligent adjusting system for air quality in large-scale commercial building and adjusting method thereof
CN104807145A (en) * 2015-05-15 2015-07-29 深圳市傲通环球空气过滤器有限公司 Air pollution source automatic detection and purification method
CN204901998U (en) * 2015-09-07 2015-12-23 安吉润风空气净化科技有限公司 Compromise intelligent air purification equipment of indoor temperature

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JP2010266102A (en) * 2009-05-13 2010-11-25 Panasonic Electric Works Co Ltd Ventilation device
CN101769585A (en) * 2010-01-13 2010-07-07 重庆大学 Intelligent fresh air control device
CN103629786A (en) * 2012-08-29 2014-03-12 昆山贝环电子技术服务有限公司 Intelligent air conditioner fresh air controlling device
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018032489A1 (en) * 2016-08-19 2018-02-22 赵莹颖 Intelligent air purification system
CN106765554A (en) * 2016-11-29 2017-05-31 美的集团武汉制冷设备有限公司 Air-purifying humidification equipment and its control method
CN107355919A (en) * 2017-07-03 2017-11-17 嘉兴南洋职业技术学院 Intelligent air purifier
CN107413135A (en) * 2017-07-03 2017-12-01 嘉兴南洋职业技术学院 Multifunctional air clarifying device
CN107413135B (en) * 2017-07-03 2020-11-10 嘉兴南洋职业技术学院 Multifunctional air purifying device
CN108715169A (en) * 2018-05-29 2018-10-30 西南交通大学 A kind of rail vehicle air cleaning system
CN108715169B (en) * 2018-05-29 2019-11-01 西南交通大学 A kind of rail vehicle air cleaning system
CN113719944A (en) * 2021-09-09 2021-11-30 苏州行净环保科技有限公司 Efficient filtering method for air pollution

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