CN104896694A - Fresh air-and-indoor air purification regulating system - Google Patents

Fresh air-and-indoor air purification regulating system Download PDF

Info

Publication number
CN104896694A
CN104896694A CN201510287139.3A CN201510287139A CN104896694A CN 104896694 A CN104896694 A CN 104896694A CN 201510287139 A CN201510287139 A CN 201510287139A CN 104896694 A CN104896694 A CN 104896694A
Authority
CN
China
Prior art keywords
indoor
new wind
air
wind
filter
Prior art date
Application number
CN201510287139.3A
Other languages
Chinese (zh)
Other versions
CN104896694B (en
Inventor
杨健
Original Assignee
南京优能空调系统有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 南京优能空调系统有限公司 filed Critical 南京优能空调系统有限公司
Priority to CN201510287139.3A priority Critical patent/CN104896694B/en
Publication of CN104896694A publication Critical patent/CN104896694A/en
Application granted granted Critical
Publication of CN104896694B publication Critical patent/CN104896694B/en

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F12/00Use of energy recovery systems in air conditioning, ventilation or screening
    • F24F12/001Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
    • 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
    • F24F11/89Arrangement or mounting of control or safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28Arrangement or mounting of filters
    • 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
    • F24F3/1603Air-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 by filtering
    • 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
    • F24F3/1603Air-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 by filtering
    • F24F2003/1614Air-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 by filtering using a dry filtering element

Abstract

The invention relates to a fresh air-and-indoor air purification regulating system, which comprises a fresh air-indoor air heat exchange unit, a fresh are dehumidification unit, a PM 2.5 filter unite, a control unit and a monitor used for detecting indoor carbon dioxide and PM 2.5, wherein the PM 2.5 filter unit is simultaneously connected to an indoor air circulation pipe and a fresh air pipeline that is in tandem connection with the fresh-indoor air heat exchange unit and the fresh air dehumidification unit; combining the result of indoor carbon dioxide concentration and the PM 2.5 particle concentration monitored by the monitor, the carbon dioxide concentration and the PM 2.5 concentration are ensured to be at standard level by the real-time control of an indoor PM 2.5 filter section blower and a fresh air blower; the filter section blower is controlled to be started and stopped by a preset value of the indoor PM 2.5; and the fresh air blower is controlled to be started and stopped by the PPM value of indoor carbon dioxide content, so the healthy standard is fully satisfied and at the same time, the energy is saved at maximum.

Description

A kind of new wind and indoor air purification regulating system

Technical field

The present invention relates to filed of air conditioning, is especially a kind of new wind and indoor air purification regulating system.

Background technology

New blower for heat recycling and indoor air cleaner are used to the two kinds of household appliances purified the air of a room, at home, medical treatment, industrial circle all have application.New blower for heat recycling function is that reduce indoor carbon dioxide concentration, prior art can not solve the problem of indoor PM2.5 particulate burning purifying simultaneously solving new wind by outside dirty wind discharge chamber while that outdoor air being sent into indoor; And though existing indoor air cleaner solves indoor PM2.5 purifying problem preferably by Inner eycle, but need to close new wind, airtight door window, completely cut off with outdoor air, cause indoor carbon dioxide concentration to raise, filter screen secondary pollution causes indoor sanitation situation to decline; Though existing integrated new wind PM2.5 clarifier can while the new wind of conveying PM2.5 particle outside filter chamber, but test effect is only limited to fuselage air outlet place, survey the PM2.5 level that data can not represent whole indoor, during outdoor PM2.5 value severe contamination, filter effect degradation, removes indoor PM2.5 particle limited in one's ability while solving new wind.Above product all can not be guaranteed to guarantee that indoor PM2.5 reaches high-quality level while the new wind of conveying.

Summary of the invention

The object of the invention is to solve the problem, and provides a kind of energy-conservation new wind and indoor air purification regulating system, is specifically realized by following technical scheme:

A kind of new wind and indoor air purification regulating system, comprise heat recovery units, fresh air dehumidification unit, PM2.5 filter element, control unit and the monitor for detecting indoor carbon dioxide and PM2.5, described new wind-heat recovery unit comprises indoor wind blast pipe, indoor wind discharge pipe, new wind blast pipe, new wind discharge pipe, new wind blower fan and heat exchange core body, described heat exchange core body is formed by connecting by some laminates with multiple duct are overlapping, duct in adjacent two laminates intermeshes and distinguishes wind blast pipe and indoor wind discharge pipe in communication chamber, new wind blast pipe and new wind discharge pipe, described new wind blower fan is connected in described new wind blast pipe or new wind discharge pipe, described fresh air dehumidification unit comprises the dehumidifying casing with dehumidifying air inlet and dehumidifying air outlet and the surface cooler being positioned at dehumidifying casing, and described new wind discharge pipe is connected with described dehumidifying air inlet, described PM2.5 filter element comprises PM2.5 filter box, middle effect filter screen, efficient filter screen and indoor PM2.5 fillter section blower fan, described PM2.5 filter box be disposed with from top to bottom interconnect medium air filtration room, the first rectification room, high efficiency filter room, the second rectification room and discharge chamber, described medium air filtration net is horizontally set on medium air filtration indoor, described efficient filter screen has two panels and both mutual symmetries are obliquely installed in high efficiency filter indoor, and described indoor PM2.5 fillter section blower fan is arranged between the efficient filter screen of two panels, described first rectification room, the second rectification indoor are equipped with air commutating plate respectively, described dehumidifying air outlet is communicated with described medium air filtration room by pipeline, and one end of this medium air filtration room also wind circulation pipe indoor with is connected, and the other end of this indoor wind circulation pipe is vacant in room air, blowing distributor is connected with each indoor air-out end by some air-supply pipelines, described monitor is relative with described air-out end, and this monitor is connected with described control unit signal, and described new wind blower fan, indoor PM2.5 fillter section blower fan are connected with the output of described control unit.

Described new wind and indoor air purification regulating system, it designs further and is, has the primarily efficient filter unit of just effect filter screen in the middle part of described new wind blast pipe in being connected with.

Described new wind and indoor air purification regulating system, it designs further and is, the part being positioned at outdoor of described new wind blast pipe is connected with the second monitor for wind PM2.5 concentration new outside sensing chamber, and described second monitor is connected with described control unit.

Described new wind and indoor air purification regulating system, it designs further and is, described medium air filtration room is also connected with oxygenerator by pipeline.

Described new wind and indoor air purification regulating system, it designs further and is, described indoor PM2.5 fillter section blower fan comprises motor and rotation section, and described rotation section comprises two and is connected to the circular end plate of machine shaft and the some flabellums between circular end plate.

PM2.5 filter element of the present invention is at the fresh wind tube wind circulation pipe in junction chamber simultaneously of serial connection heat recovery fresh air unit, fresh air dehumidification unit, and in conjunction with monitor, indoor carbon dioxide concentration, PM2.5 granule density are monitored, by guaranteeing indoor carbon dioxide concentration to the real-time control of indoor PM2.5 fillter section blower fan, new wind blower fan, PM2.5 concentration controls the start and stop of blower fan while being in qualified level, realizes energy-conservation to greatest extent.

Accompanying drawing explanation

Fig. 1 is the structural representation of embodiments of the invention.

Fig. 2 is the structural representation of heat recovery core.

Detailed description of the invention

Below in conjunction with Figure of description and embodiment, the present invention is further described.

As shown in Figures 1 and 2, this new wind and indoor air purification regulating system, comprise new wind-heat recovery unit 1, fresh air dehumidification unit 2, PM2.5 filter element 3, control unit 4 and the monitor 5 for detecting indoor carbon dioxide and PM2.5, new wind-heat recovery unit 1 comprises indoor wind blast pipe 11, indoor wind discharge pipe 12, new wind blast pipe 13, new wind discharge pipe 14, new wind blower fan 15 and heat exchange core body 16, heat recovery core is formed by connecting by some laminates with multiple duct are overlapping, duct in adjacent two laminates intermeshes and distinguishes wind blast pipe 11 and indoor wind discharge pipe 12 in communication chamber, new wind blast pipe 13 and new wind discharge pipe 14, new wind blower fan 15 is connected in new wind blast pipe or new wind discharge pipe, to the new wind of indoor introducing during new wind blower fan operation.

Fresh air dehumidification unit 2 comprises the dehumidifying casing with dehumidifying air inlet 21 and two dehumidifying air outlets 22 and the surface cooler (not shown in FIG.) being positioned at dehumidifying casing, and new wind discharge pipe 14 is connected with dehumidifying air inlet.

PM2.5 filter element 3 comprises PM2.5 filter box 31, middle effect filter screen 32, efficient filter screen 33 and indoor PM2.5 fillter section blower fan 34, PM2.5 filter box be disposed with from top to bottom interconnect rectification room 312, medium air filtration room 311, first, rectification room 314, high efficiency filter room 313, second and discharge chamber 315, medium air filtration net 32 is horizontally set on medium air filtration indoor, efficient filter screen 33 has two panels and both mutual symmetries are obliquely installed in high efficiency filter indoor, and indoor PM2.5 fillter section blower fan 34 is arranged between the efficient filter screen of two panels; First rectification room, the second rectification indoor are equipped with air commutating plate 35 respectively.

Dehumidifying air outlet is communicated with medium air filtration room 311 by pipeline, and one end of this medium air filtration room also wind circulation pipe 36 indoor with is connected, and the other end of this indoor wind circulation pipe is vacant in room air; New wind after purification filtering is connected with each indoor air-out end 9 by some air-supply pipelines; Capnometer is connected with PM2.5 detector control unit signal, and new wind blower fan, indoor PM2.5 fillter section blower fan are connected with the output of control unit.

According to the monitoring result of monitor, when gas concentration lwevel is higher, control unit sends the operation of order-driven new wind blower fan to the higher new wind of indoor introducing oxygen content, new wind through dehumidifying filter enter again send into after PM2.5 filter element filters indoor, simultaneously by outside dirty for indoor wind discharge chamber; When indoor PM2.5 concentration is higher, control unit sends instruction and makes indoor PM2.5 fillter section fan operation, improves PM2.5 filter efficiency until PM2.5 concentration is reduced to qualified level by indoor Inner eycle.

In order to reduce pollutant in new wind to the burden of PM2.5 filter element, in being connected with in the middle part of new wind blast pipe, have the primarily efficient filter unit 6 of just effect filter screen.

Indoor PM2.5 fillter section blower fan 34 comprises motor (not shown in FIG.) and rotation section 341, rotation section comprises two and is connected to the circular end plate of machine shaft and the some flabellums between circular end plate, this structure ensures that indoor PM2.5 fillter section blower fan can meet the needs of operation, make again the noise that produces during its operation lower.

PM2.5 filter element of the present invention is wind circulation pipe and be serially connected with the fresh air pipeline of new wind-heat recovery unit, fresh air dehumidification unit in junction chamber simultaneously, and in conjunction with the monitoring result of monitor to indoor carbon dioxide concentration, PM2.5 granule density, by guaranteeing indoor carbon dioxide concentration to the real-time control of indoor PM2.5 fillter section blower fan, new wind blower fan, PM2.5 concentration is in qualified level.

Claims (5)

1. a new wind and indoor air purification regulating system, it is characterized in that comprising new wind-heat recovery unit, fresh air dehumidification unit, PM2.5 filter element, control unit and the monitor for detecting indoor carbon dioxide and PM2.5, described new wind-heat recovery unit comprises indoor wind blast pipe, indoor wind discharge pipe, new wind blast pipe, new wind discharge pipe, new wind blower fan and heat exchanging core, described heat exchanging core is formed by connecting by some laminates with multiple duct are overlapping, duct in adjacent two laminates intermeshes and distinguishes wind blast pipe and indoor wind discharge pipe in communication chamber, new wind blast pipe and new wind discharge pipe, described new wind blower fan is connected in described new wind blast pipe or new wind discharge pipe, described fresh air dehumidification unit comprises the dehumidifying casing with dehumidifying air inlet and dehumidifying air outlet and the surface cooler being positioned at dehumidifying casing, and described new wind discharge pipe is connected with described dehumidifying air inlet, described PM2.5 filter element comprises PM2.5 filter box, middle effect filter screen, efficient filter screen and indoor PM2.5 fillter section blower fan, described PM2.5 filter box be disposed with from top to bottom interconnect medium air filtration room, the first rectification room, high efficiency filter room, the second rectification room and blowing distributor, described medium air filtration net is horizontally set on medium air filtration indoor, described efficient filter screen has two panels and both mutual symmetries are obliquely installed in high efficiency filter indoor, and described indoor PM2.5 fillter section blower fan is arranged between the efficient filter screen of two panels, described first rectification room, the second rectification indoor are equipped with air commutating plate respectively, described dehumidifying air outlet is communicated with described medium air filtration room by pipeline, and one end of this medium air filtration room also wind circulation pipe indoor with is connected, and the other end of this indoor wind circulation pipe is vacant in room air, blowing distributor is connected with each indoor air-out end by some air-supply pipelines, described monitor is relative with described air-out end, and this monitor is connected with described control unit signal, and described new wind blower fan, indoor PM2.5 fillter section blower fan are connected with the output of described control unit.
2. new wind according to claim 1 and indoor air purification regulating system, is characterized in that having in being connected with in the middle part of described new wind blast pipe the primarily efficient filter unit of just effect filter screen.
3. new wind according to claim 1 and indoor air purification regulating system, it is characterized in that, the part being positioned at outdoor of described new wind blast pipe is connected with the second monitor for wind PM2.5 concentration new outside sensing chamber, and described second monitor is connected with described control unit.
4. new wind according to claim 3 and indoor air purification regulating system, is characterized in that, described medium air filtration room is also connected with oxygenerator by pipeline.
5. new wind according to claim 1 and indoor air purification regulating system, it is characterized in that, described indoor PM2.5 fillter section blower fan comprises motor and rotation section, and described rotation section comprises two and is connected to the circular end plate of machine shaft and the some flabellums between circular end plate.
CN201510287139.3A 2015-05-29 2015-05-29 A kind of fresh air and indoor air purification regulating system CN104896694B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510287139.3A CN104896694B (en) 2015-05-29 2015-05-29 A kind of fresh air and indoor air purification regulating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510287139.3A CN104896694B (en) 2015-05-29 2015-05-29 A kind of fresh air and indoor air purification regulating system

Publications (2)

Publication Number Publication Date
CN104896694A true CN104896694A (en) 2015-09-09
CN104896694B CN104896694B (en) 2018-07-06

Family

ID=54029518

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510287139.3A CN104896694B (en) 2015-05-29 2015-05-29 A kind of fresh air and indoor air purification regulating system

Country Status (1)

Country Link
CN (1) CN104896694B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106871320A (en) * 2016-09-26 2017-06-20 沃姆环境设备启东有限公司 The new blower fan of aeration-type condensation heat air draft
CN106895509A (en) * 2016-09-26 2017-06-27 沃姆环境设备启东有限公司 Passive room intelligence control system
CN106931588A (en) * 2016-12-26 2017-07-07 安徽谢佑圣电子科技有限公司 Complete-hot fresh air air-conditioning system of the medical system based on Internet of Things
CN107166693A (en) * 2017-06-15 2017-09-15 山东鑫友环保设备有限公司 A kind of indoor and outdoor air optimal change device
CN108050640A (en) * 2017-12-11 2018-05-18 陆林娣 A kind of auto purification energy-saving fresh air system and its method
CN108088025A (en) * 2017-12-11 2018-05-29 陆林娣 A kind of fresh air system and its method of energy saving dehumidifying

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100104574A (en) * 2009-03-18 2010-09-29 청아공조(주) An air conditioning system
CN202675488U (en) * 2012-08-01 2013-01-16 成都归谷建筑节能工程有限公司 Intelligence frequency conversion double air conditioning system
CN102980255A (en) * 2012-09-18 2013-03-20 宁波德安生态环保工程有限公司 Air cleaner
CN103267328A (en) * 2013-05-31 2013-08-28 南京埃科净化技术有限公司 Intelligent air quality guaranteeing system and controlling method thereof
CN203928264U (en) * 2014-06-06 2014-11-05 中康韦尔(保定)环境科技有限公司 Automatic air compensation device
CN104613565A (en) * 2015-01-20 2015-05-13 维克(天津)有限公司 Multi-filtration type fresh air treatment equipment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100104574A (en) * 2009-03-18 2010-09-29 청아공조(주) An air conditioning system
CN202675488U (en) * 2012-08-01 2013-01-16 成都归谷建筑节能工程有限公司 Intelligence frequency conversion double air conditioning system
CN102980255A (en) * 2012-09-18 2013-03-20 宁波德安生态环保工程有限公司 Air cleaner
CN103267328A (en) * 2013-05-31 2013-08-28 南京埃科净化技术有限公司 Intelligent air quality guaranteeing system and controlling method thereof
CN203928264U (en) * 2014-06-06 2014-11-05 中康韦尔(保定)环境科技有限公司 Automatic air compensation device
CN104613565A (en) * 2015-01-20 2015-05-13 维克(天津)有限公司 Multi-filtration type fresh air treatment equipment

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106871320A (en) * 2016-09-26 2017-06-20 沃姆环境设备启东有限公司 The new blower fan of aeration-type condensation heat air draft
CN106895509A (en) * 2016-09-26 2017-06-27 沃姆环境设备启东有限公司 Passive room intelligence control system
CN106895509B (en) * 2016-09-26 2019-12-10 沃姆环境设备启东有限公司 Passive room intelligent control system
CN106871320B (en) * 2016-09-26 2019-06-28 沃姆环境设备启东有限公司 The new blower of aeration-type condensation heat air draft
CN106931588A (en) * 2016-12-26 2017-07-07 安徽谢佑圣电子科技有限公司 Complete-hot fresh air air-conditioning system of the medical system based on Internet of Things
CN107166693A (en) * 2017-06-15 2017-09-15 山东鑫友环保设备有限公司 A kind of indoor and outdoor air optimal change device
CN108050640A (en) * 2017-12-11 2018-05-18 陆林娣 A kind of auto purification energy-saving fresh air system and its method
CN108088025A (en) * 2017-12-11 2018-05-29 陆林娣 A kind of fresh air system and its method of energy saving dehumidifying
CN108050640B (en) * 2017-12-11 2019-06-25 武汉华康世纪洁净室技术工程有限公司 A kind of auto purification energy-saving fresh air system and its method
CN108088025B (en) * 2017-12-11 2019-07-05 湖北菲戈特医疗科技有限公司 A kind of fresh air system and its method of energy conservation dehumidifying

Also Published As

Publication number Publication date
CN104896694B (en) 2018-07-06

Similar Documents

Publication Publication Date Title
KR100617079B1 (en) Ventilation system with air-cleaner
CN203163091U (en) Intelligent fresh air purifying household air conditioner
KR100539566B1 (en) air cleaning system with ventilator
CN103727608A (en) Indoor air PM2.5 (fine particulate matter) control system and control method thereof
CN203848404U (en) De-dusting and humidifying air-conditioner
CN104879842A (en) Split air conditioner with fresh air purification intelligent control device
CN103836736B (en) Intelligent fresh air purifies and Total heat exchange equipment and control method thereof
CN100383464C (en) Ventilating system
CN104833001B (en) A kind of intelligent fresh air and room air synchronous purification device and method
CN103486674B (en) A kind of wall-mounted fresh air purifier
CN104807091A (en) Full heat exchange fresh air system and indoor purification coupling air purification device
CN203771568U (en) Combined detachable domestic fresh air purifier
CN206018837U (en) A kind of domestic intelligent air-purifying humidification all-in-one
CN101021347B (en) Total heat exchanger with dust detecting and dust eliminating modules
CN202074654U (en) Closed-loop control system for controlling constant air volume of purification air conditioner system
CN204043073U (en) A kind of family expenses cleaning fan
CN104566693A (en) Central air-conditioning air purification system and method
CN204084723U (en) A kind of malleation VMC with CFD electrostatic precipitation unit
CN203837122U (en) Multi-functional air purifier
CN206430312U (en) Fresh air purifier and air cleaning unit
KR102010813B1 (en) Ventilator having air cleaning function
CN106196358A (en) Fresh air conditioner all-in-one
CN204202083U (en) Ventilation equipment
CN103822306B (en) Split type air purification fresh air
CN204100476U (en) The new wind air cleaning system of bidirectional flow indoor and outdoor Two-way Cycle

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant