CN105953401A - Manual type refreshing air conditioner - Google Patents

Manual type refreshing air conditioner Download PDF

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Publication number
CN105953401A
CN105953401A CN201610481990.4A CN201610481990A CN105953401A CN 105953401 A CN105953401 A CN 105953401A CN 201610481990 A CN201610481990 A CN 201610481990A CN 105953401 A CN105953401 A CN 105953401A
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CN
China
Prior art keywords
filter screen
air
filter
manual type
sleeve
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CN201610481990.4A
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Chinese (zh)
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CN105953401B (en
Inventor
覃潇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou City Xiao wind environmental protection building materials Co. Ltd.
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覃潇
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Publication date
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Priority to CN201610481990.4A priority Critical patent/CN105953401B/en
Publication of CN105953401A publication Critical patent/CN105953401A/en
Application granted granted Critical
Publication of CN105953401B publication Critical patent/CN105953401B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20Casings or covers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00Ventilation
    • F24F7/007Ventilation with forced flow
    • F24F7/013Ventilation with forced flow using wall or window fans, displacing air through the wall or window
    • 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
    • F24F13/20Casings or covers
    • F24F2013/205Mounting a ventilator fan therein

Abstract

The invention discloses a manual type refreshing air conditioner. The manual type refreshing air conditioner comprises an outer shell. The outer shell is provided with air inlets and an air outlet, wherein the air inlets communicate with the exterior of a room, and the air outlet communicates with the interior of the room. An inlet/outlet air filtering structure is arranged in the outer shell. The inlet/outlet air filtering structure comprises a rotating shaft, a filter screen inner sleeve and a filter screen outer sleeve, wherein the filter screen inner sleeve and the filter screen outer sleeve are mounted on the rotating shaft and can rotate relatively. The filter screen inner sleeve is connected with a first manual driving structure, and the filter screen outer sleeve is connected with a second manual driving structure. The filter screen outer sleeve comprises a shield plate and an outer filter screen, wherein the shield plate can close or open the corresponding air inlet when being rotated; and the outer filter screen is connected with the shield plate. The filter screen inner sleeve comprises four sets of inner filter screens which overlap with the outer filter screen when being rotated, wherein two sets of inner filter screens are adjacent to each other, and the number of meshes of the two sets of inner filter screens equals to that of the outer filter screen; and the other two sets of inner filter screens are adjacent to each other, and the number of meshes of the two sets of inner filter screens is smaller than that of the outer filer screen. By means of the manual type refreshing air conditioner, materials and cost can be saved.

Description

Manual type fresh air actuator
Technical field
The present invention relates to a kind of air conditioner, particularly relate to a kind of manual type fresh air actuator.
Background technology
Traditional indoor air-changing mode, it is common that rely on and open window or completed by supply air system.Window While opening, dust, fly, winged insect also simultaneously enter indoor.Such as wind and rain weather, rainwater is the most with the wind And enter, indoor environmental hygiene is caused to be had a strong impact on.And traditional screen window, general level can only stop mosquito Worm and the entrance of fly, but can't resolve the invasion of tiny sand and dust.Ventilate owing to opening window, therefore safety Hidden danger has but become problem, thus installs anti-theft net again.The enclosed indoor air purification of the many employings of people sets Standby or system carries out air filtration, surface is the purification completing room air, but only by indoor Air filters repeatedly, and air is still that indoor outmoded air, does not obtain fresh natural air Supplementing, air quality the most truly improves, and is that dust has lacked some at most, and significantly shows It it is exactly anoxia.Therefore traditional window is sash and screen of screen window and anti-theft net.Traditional window largely shadow Sound indoor are attractive in appearance with urban architecture alien invasion, it is impossible to solve the outdoor pollutant destruction to indoor environment, and And complex operation, use inconvenience, when going out, always worry the problem that window whether closedown etc. is vexed.Traditional Window is from structure and uses, not only cost, consumptive material, power consumption but also time-consuming.Therefore, it is necessary to design one Room air conditioner, makes to meet the feature of material saving, cost-saving, and the cleaning after can directly filtering Outdoor natural air input indoor, it is achieved room air remains at the pure and fresh clean state of nature, from root IAQ (indoor air quality) is improved on Ben.
Summary of the invention
The purpose of the present invention one is to provide a kind of manual type fresh air actuator, material saving, cost-saving, and The outdoor natural air input indoor of the cleaning after can directly filtering, it is achieved room air remains at The most pure and fresh clean state, fundamentally improves IAQ (indoor air quality).
The purpose of the present invention two is to provide a kind of manual type fresh air regulation system, material saving, cost-saving, And the outdoor natural air input indoor of the cleaning after can directly filtering, it is achieved room air remains In the most pure and fresh clean state, fundamentally improve IAQ (indoor air quality).
For achieving the above object one, the present invention provides a kind of manual type fresh air actuator, including shell, Described shell is provided with and the outdoor air inlet connected and the air outlet connected with indoor, be provided with in described shell into Air-out filtration, described air inlet/outlet filtration includes rotating shaft, is arranged in rotating shaft and relatively turnable Filter screen inner sleeve and filter screen outer sleeve, described filter screen inner sleeve connects has first manual to drive structure, described filter Net outer sleeve connect have the second manual actuation structure, described filter screen outer sleeve include rotate time can close or open The shield of air inlet and the outer leaching net of connection shield, described filter screen inner sleeve includes can be with outward when rotating Four groups of Inner filter nets that filter screen is overlapping, wherein two groups Inner filter net is adjacent and mesh number is consistent, separately with the mesh number of outer leaching net Two groups of Inner filter nets are adjacent and mesh number is less than the mesh number of outer leaching net.
As a further improvement on the present invention, the mesh number of described outer leaching net is 20-30 mesh, described another two groups The mesh number of Inner filter net is respectively 100 mesh, 200 mesh.
As the further improvement of the present invention, described air inlet and air outlet are oppositely arranged.
As the further improvement of the present invention, in described shell, it is additionally provided with forced air supply structure, described pressure Air-supply structure is coaxially disposed with air inlet/outlet filtration.
As the further improvement of the present invention, in described shell, it is additionally provided with filtration, described forced air supply Structure is between filtration and air inlet/outlet filtration.
As the further improvement of the present invention, described filtration include one-level filter screen, secondary screen, three Level filter screen, described one-level filter screen, secondary screen, three grades of filter screens sequentially arrange to the other end by shell one end, And three grades of filter screens are close to forced air supply structure, described one-level filter screen is 100 mesh stainless steel filtering nets, described two grades Filter screen is HEPA filter screen, and described three grades of filter screens are activated charcoal strainer.
For achieving the above object two, the present invention provides a kind of manual type fresh air regulation system, described hands Dynamic formula fresh air regulation system is by a manual type fresh air actuator or the pure and fresh sky of multiple manual type Gas actuator is constituted, and multiple manual type fresh air actuators are arranged in order and are coaxially disposed.
Compared with prior art, manual type fresh air actuator and the regulation system of the present invention breaches tradition Indoor air filter can only carry out the limitation of indoor air circulation filtration under conditions of closing, can be direct The outdoor natural air input indoor of the cleaning after filtering, it is achieved it is pure and fresh that room air remains at nature Clean state, fundamentally improves IAQ (indoor air quality);Meanwhile, glass and manual type fresh air is used to adjust Joint device just can replace traditional window frame, screen window and anti-theft net window structure, reaches dust-proof, mosquito-proof, antitheft Also there is while effect material saving, the feature of cost-saving;Manual type fresh air actuator is installed the most square Just, safe and reliable, only need to be bottom window or side is installed, it is not necessary to additionally device exhaust system, Manual type fresh air actuator, without connecting up stringing, only need to utilize wind-force and the air pressure of indoor and outdoor self-assembling formation Difference just can complete the convection current of indoor-outdoor air, provides cost savings, can horizontal install, it is possible to vertical installation, no Limited by house type, arbitrarily can be extended according to practical situation, it is adaptable to new, the installation of old building and transformation; And overall structure is simple, intensity is good, can use under the environmental condition that air is preferable and air is poor.
By description below and combine accompanying drawing, the present invention will become more fully apparent, and these accompanying drawings are used for explaining Embodiments of the invention.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of manual type fresh air actuator.
Fig. 2 is the cross sectional representation of manual type fresh air actuator.
Fig. 3 is the cross sectional representation of filter screen inner sleeve.
Fig. 4 is the cross sectional representation of filter screen outer sleeve.
Detailed description of the invention
With reference now to accompanying drawing, describing embodiments of the invention, element numbers similar in accompanying drawing represents similar unit Part.
Refer to Fig. 1-4, described manual type fresh air actuator includes that shell 1, described shell 1 are provided with Air outlet c and air inlet a, air inlet a connect with outdoor, and air outlet c connects with indoor, described shell 1 Inside it is provided with air inlet/outlet filtration, in described air inlet/outlet filtration includes rotating shaft 6, relatively turnable filter screen Sleeve 4 and filter screen outer sleeve 5, described filter screen inner sleeve 4 is positioned at filter screen outer sleeve 5 and both of which is arranged on In rotating shaft 6, described filter screen inner sleeve 4 connects has first manual to drive structure 7, and described filter screen outer sleeve 5 is even It is connected to the second manual actuation structure 8.
Described shell 1 includes base plate 11, frame 12 and machine lining 13 and member cover 14, described machine lining 13 Being arranged in frame 12, described member cover 14 is arranged in machine lining 13 and frame 12, described frame 12, Machine lining 13 and member cover 14 constitute installation cavity b, and described air-supply structure 2, air inlet/outlet filtration are respectively positioned on In installation cavity b, described frame 12 is arranged on the upside of base plate 11, and described member cover 14 and frame 12 divide Not being provided with air outlet c and air inlet a, the air outlet c of member cover 14 is relative with the air inlet a in frame 12, It is thus possible to ensure the more preferable convection current of air.Filter screen at air inlet a is 20 mesh filter screens or 30 mesh filter screens, For intercepting leaves, big impurity, fly, mosquito.Contact with air inlet/outlet filtration in described shell 1 Position be additionally provided with dust-separation wool top, play intercept dust effect.
Described filter screen inner sleeve 4 include inner tube 4a, two 30 mesh Inner filter net 4b, 100 mesh Inner filter net 4c and 200 mesh Inner filter net 4d, in inner tube 4a, two 30 mesh Inner filter net 4b, 100 mesh Inner filter net 4c and 200 mesh Filter screen 4d is stainless steel, thus service life is long.Said inner tube 4a is provided with four first installations Hole, four described the first installing holes are arcuate socket, and four described the first installing holes are along the length of inner tube 4a Degree direction is arranged, and the two ends of each first installing hole are close with the two ends of inner tube 4a respectively, described two 30 mesh Inner filter net 4b are arranged at the first installing hole that two of which in rustless steel inner tube 4a is adjacent, are used for preventing Leaves, big impurity, fly, mosquito.100 described mesh Inner filter net 4c and 200 mesh Inner filter net 4d install At the first installing hole that another two is adjacent in rustless steel inner tube 4a, 100 mesh Inner filter net 4c are used for Chalk-dust filtering, Ensure to ventilate;200 mesh Inner filter net 4d are for filtering trickleer granule dust, it is ensured that ventilate.Inner tube 4a Two ends have also been respectively fixedly connected with inner sleeve side seal 41, inner sleeve linkage side seal 42, described inner sleeve side seal 41 With the two ends that inner sleeve linkage side seal 42 is separately mounted to rotating shaft 6.The two ends of described rotating shaft 6 stretch out in respectively Outside inner sleeve side seal 41 and inner sleeve linkage side seal 42.The two ends of described filter screen inner sleeve 4 are passed through respectively Screw is fixed be connected with inner sleeve side seal 41, inner sleeve linkage side seal 42, thus easy to connect.Real at other Execute in example, 30 mesh Inner filter net 4b also can by 20 mesh Inner filter net 4b replace, also can reach anti-leaves, big impurity, Fly, the effect of mosquito.
Described filter screen outer sleeve 5 includes outer tube 5a and 30 mesh outer leaching net 5b, outer tube 5a and 30 mesh outer leaching nets 5b is stainless steel, thus service life is long.Described outer tube 5a is provided with second installing hole, the Part outside one installing hole is shield, and the arc length of described shield is the 1/4 of outer tube 5a arc length, described Second installing hole along outer tube 5a length direction arrange, and the two ends of the second installing hole respectively with outer tube 5a Two ends close, 30 described mesh outer leaching net 5b are one, are arranged at this second installing hole, outside 30 mesh Filter screen 5b is used for anti-leaves, big impurity, fly, mosquito.The two ends of described outer tube 5a are respectively fixedly connected with Outer sleeve side seal 52, outer sleeve is had to link side seal 53, described outer sleeve side seal 52, outer sleeve linkage side seal 53 are separately mounted on the end outside inner sleeve side seal 41 and inner sleeve linkage side seal 42 are stretched out in rotating shaft 6. The two ends of described filter screen outer sleeve 5 are respectively by screw with outer sleeve side seal 52, outer sleeve linkage side seal 53 admittedly Fixed connection, thus easy to connect.Described inner sleeve side seal 41 and inner sleeve linkage side seal 42 with corresponding outside It is provided with wear-resisting rubber pad, such that it is able to increase the use longevity of manual type fresh air actuator between sleeve side seal 52 Life.In other embodiments, 30 mesh outer leaching net 5b also can be replaced by 20 mesh outer leaching net 5b, also can reach anti- Leaves, big impurity, fly, the effect of mosquito.
Described first manual drives structure 7 to be provided at the linkage regulation gear outside outer sleeve linkage side seal, institute State linkage regulation gear and pass through rotating shaft linkage filter screen inner sleeve, outside described second manual actuation structure 8 is provided at Hand switch on sleeve side seal and outer sleeve linkage side seal.
Described manual type fresh air regulation system is by a manual type fresh air actuator or multiple Above-mentioned manual type fresh air actuator is constituted, and multiple manual type fresh air actuators are arranged in order and same Axle arranges the multi-joint structure of composition.
During use, open shield so that air inlet a opens, then utilize the wind-force of indoor and outdoor self-assembling formation Complete cross-ventilation with draught head, reach the purpose purified the air of a room, and without other device exhaust system.
The manual type fresh air actuator of the present invention is applicable under the preferable environmental condition of air use.This tune Joint device can be adjusted by filter screen inner sleeve 4 and filter screen outer sleeve 5 Multi-stage rotary according to open-air quality condition Joint so that 30 mesh outer leaching net 5b on filter screen outer sleeve 5 and 30 mesh Inner filter net 4b on filter screen inner sleeve 4 Or 100 mesh Inner filter net 4c or 200 mesh Inner filter net 4d overlapping, it is achieved outdoor the most pure and fresh by different quality Air delivers to indoor after filtering so that house can use closed window to reach work dust-proof, mosquito-proof, antitheft With, and it is no longer necessary on house install sash and screen of screen window and anti-theft net, there is material saving, cost-saving Feature.Manual type fresh air actuator major part uses stainless steel, thus intensity is good.Indoor location After manual type fresh air actuator, manual type fresh air actuator and glass just instead of traditional window frame, Screen window and anti-theft net, it is adaptable to office building, office building, hotel, commercial and residential building, villa, local-style dwelling houses etc..
It is the most convenient that manual type fresh air actuator is installed, only need to be bottom window or side is installed; Manual type fresh air actuator is without connecting up stringing;Can horizontal install, it is possible to vertical installation, not by house type Limit, arbitrarily can extend according to practical situation, it is adaptable to new and old house is installed and transformation.
No matter manual type fresh air actuator takes on a new look in utilitarian function, energy-conserving and environment-protective, facade structure On, all tradition window structure will be exerted far reaching influence, will have a wide range of applications for construction and installation industry The economic benefit that meaning and generation can not be estimated.
It is also possible to have other embodiments, in other embodiments, increase in shell 1 Forced air supply structure 2, forced air supply structure 2 and air inlet/outlet filtration are coaxially disposed, forced air supply structure 2 For electric fan.During forced air supply, need to forward to shield close air inlet a position, open electric fan, then Can be with forced air supply to indoor, to reach the purpose of fast purification room air.Forced air supply structure 2 can be with Intelligent controller connects such that it is able to forced air supply structure 2 is carried out Based Intelligent Control.
It is also possible to have other embodiments, in other embodiments, there is forced air supply Increasing filtration 8 on the basis of structure 2 again in shell 1, described forced air supply structure 2 is positioned at filtration knot Between structure 8 and air inlet/outlet filtration.Described filtration 8 include one-level filter screen 81, secondary screen 82, Three grades of filter screens 83, described one-level filter screen 81,82, three grades of filter screens 83 of secondary screen by shell 1 one end to separately One end is sequentially arranged, and three grades of filter screens 83 are close to forced air supply structure 2, and described one-level filter screen 81 is 100 mesh Stainless steel filtering net, for Chalk-dust filtering, it is ensured that ventilating, described secondary screen 82 is HEPA filter screen, can have Effect filters out 0.1 micron and the dust of 0.3 micron, and described three grades of filter screens 83 are activated charcoal strainer, are used for Organics removal, stink.The electric-controlled type fresh air actuator of the present embodiment is applicable to the environment that air is poor Under the conditions of use.The present embodiment also has effect same as the previously described embodiments, is not repeated herein.
It is also possible to have other embodiments, in other embodiments, can on described outer tube 5a It is arranged alternately arranging two the second installing holes and two shields, two the second installing holes and two shields, The arc length of the second installing hole and shield is equal, two shields may be used for simultaneously closing off or open simultaneously into Air port a and air outlet c, in the case of air inlet a and air outlet c opens simultaneously, it is possible to use indoor and outdoor Wind-force and the draught head of self-assembling formation complete cross-ventilation, reach the purpose purified the air of a room, and without separately Outer device exhaust system.
Above in association with most preferred embodiment, invention has been described, but the invention is not limited in disclosed above Embodiment, and amendment, the equivalent combinations that the various essence according to the present invention is carried out should be contained.

Claims (10)

1. a manual type fresh air actuator, it is characterised in that including: shell, described shell is provided with The air inlet connected with outdoor and the air outlet connected with indoor, be provided with air inlet/outlet filtration in described shell, Described air inlet/outlet filtration includes rotating shaft, be arranged in rotating shaft and relatively turnable filter screen inner sleeve and filter Net outer sleeve, described filter screen inner sleeve connects has first manual to drive structure, and described filter screen outer sleeve connects to be had Second manual actuation structure, described filter screen outer sleeve includes the shield that can close or open air inlet when rotating And the outer leaching net of connection shield, described filter screen inner sleeve includes can be overlapping with outer leaching net when rotating four groups Inner filter net, wherein two groups Inner filter net is adjacent and mesh number is consistent with the mesh number of outer leaching net, another two groups of Inner filter nets are adjacent And mesh number is less than the mesh number of outer leaching net.
2. manual type fresh air actuator as claimed in claim 1, it is characterised in that: described outer leaching net Mesh number be 20-30 mesh, the mesh number of described another two groups of Inner filter nets is respectively 100 mesh, 200 mesh.
3. manual type fresh air actuator as claimed in claim 1 or 2, it is characterised in that enter described in: Air port and air outlet are oppositely arranged.
4. manual type fresh air actuator as claimed in claim 3, it is characterised in that: in described shell Being additionally provided with forced air supply structure, described forced air supply structure is coaxially disposed with air inlet/outlet filtration.
5. manual type fresh air actuator as claimed in claim 4, it is characterised in that: in described shell Being additionally provided with filtration, described forced air supply structure is between filtration and air inlet/outlet filtration.
6. manual type fresh air actuator as claimed in claim 5, it is characterised in that: described filtration is tied Structure includes one-level filter screen, secondary screen, three grades of filter screens, described one-level filter screen, secondary screen, three grades of filter screens Sequentially arranged to the other end by shell one end, and three grades of filter screens are close to forced air supply structure, described one-level filter screen Being 100 mesh stainless steel filtering nets, described secondary screen is HEPA filter screen, and described three grades of filter screens are that activated carbon filters Net.
7. manual type fresh air actuator as claimed in claim 1 or 2, it is characterised in that: outside described Being additionally provided with forced air supply structure in shell, described forced air supply structure is coaxially disposed with air inlet/outlet filtration.
8. manual type fresh air actuator as claimed in claim 7, it is characterised in that: in described shell Being additionally provided with filtration, described forced air supply structure is between filtration and air inlet/outlet filtration.
9. manual type fresh air actuator as claimed in claim 8, it is characterised in that: described filtration is tied Structure includes one-level filter screen, secondary screen, three grades of filter screens, described one-level filter screen, secondary screen, three grades of filter screens Sequentially arranged to the other end by shell one end, and three grades of filter screens are close to forced air supply structure, described one-level filter screen Being 100 mesh stainless steel filtering nets, described secondary screen is HEPA filter screen, and described three grades of filter screens are that activated carbon filters Net.
10. the manual type fresh air as described in claim 1 or 2 or 4 or 5 or 6 or 8 or 9 Regulation system, it is characterised in that: described manual type fresh air regulation system is pure and fresh by a manual type Air conditioner or multiple manual type fresh air actuator are constituted, multiple manual type fresh air actuators It is arranged in order and is coaxially disposed.
CN201610481990.4A 2016-06-23 2016-06-23 Hand fresh air adjuster Active CN105953401B (en)

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Application Number Priority Date Filing Date Title
CN201610481990.4A CN105953401B (en) 2016-06-23 2016-06-23 Hand fresh air adjuster

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Application Number Priority Date Filing Date Title
CN201610481990.4A CN105953401B (en) 2016-06-23 2016-06-23 Hand fresh air adjuster

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CN105953401A true CN105953401A (en) 2016-09-21
CN105953401B CN105953401B (en) 2018-11-02

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6217637B1 (en) * 1999-03-10 2001-04-17 Jerry L. Toney Multiple stage high efficiency rotary filter system
CN202126076U (en) * 2011-07-16 2012-01-25 Tcl空调器(中山)有限公司 Air filtering device for air conditioner
CN202195555U (en) * 2011-06-28 2012-04-18 曾罗麟 Detachable roller type wind pressure automatic regulation ventilator
CN203829827U (en) * 2014-05-04 2014-09-17 傅少初 Rotation type dust filter
CN204017544U (en) * 2014-04-01 2014-12-17 天津市金中基暖通净化设备有限公司 A kind of selecting type air filtering box
CN104776510A (en) * 2015-04-03 2015-07-15 成都小蛋科技有限公司 Filter screen self-cleaning type air impurity removal device
CN206145939U (en) * 2016-06-23 2017-05-03 覃潇 Manual formula freshening air regulator

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6217637B1 (en) * 1999-03-10 2001-04-17 Jerry L. Toney Multiple stage high efficiency rotary filter system
CN202195555U (en) * 2011-06-28 2012-04-18 曾罗麟 Detachable roller type wind pressure automatic regulation ventilator
CN202126076U (en) * 2011-07-16 2012-01-25 Tcl空调器(中山)有限公司 Air filtering device for air conditioner
CN204017544U (en) * 2014-04-01 2014-12-17 天津市金中基暖通净化设备有限公司 A kind of selecting type air filtering box
CN203829827U (en) * 2014-05-04 2014-09-17 傅少初 Rotation type dust filter
CN104776510A (en) * 2015-04-03 2015-07-15 成都小蛋科技有限公司 Filter screen self-cleaning type air impurity removal device
CN206145939U (en) * 2016-06-23 2017-05-03 覃潇 Manual formula freshening air regulator

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