CN104989246B - Door capable of purifying air - Google Patents

Door capable of purifying air Download PDF

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Publication number
CN104989246B
CN104989246B CN201510324437.5A CN201510324437A CN104989246B CN 104989246 B CN104989246 B CN 104989246B CN 201510324437 A CN201510324437 A CN 201510324437A CN 104989246 B CN104989246 B CN 104989246B
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screen plate
door
air
plate
screen
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CN104989246A (en
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黄玉娇
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黄玉娇
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Abstract

The invention discloses a door capable of purifying air. The door comprises a door body, an air inlet formed in the side, close to the interior of a room, of the door body, an exhaust port formed in the side, close to the interior of the room, of the door body, an air purifying device and a controller. The air inlet is rotationally provided with a plurality of first movable plates, and the exhaust port is rotationally provided with a plurality of second movable plates. The air purifying device is arranged in the door body and comprises a pipe body. The first end of the pipe body is communicated with the air inlet, and the second end of the pipe body is communicated with the exhaust port. A fan is installed at the position, close to the second end, in the pipe body. A first filtering plate, a second filtering plate, a third filtering plate, a fourth filtering plate and a fifth filtering plate are arranged in the pipe body in sequence from the first end to the second end. The controller is arranged in the door body. The door can replace an air purifier completely and is high in space utilization rate.

Description

A kind of door that can purify air
Technical field
The present invention relates to a kind of door.It is more particularly related to a kind of door that can purify air.
Background technology
The quality of room air concerns the healthy of people, in order to ensure the air quality of indoor, Ren Menhui At indoor placement air purifier, but air purifier is a single product, and being placed on indoor must So can take certain space, and can produce bigger noise, being placed on indoor just can affect people Often work.And in existing door, there is the most less of air-cleaning function, even if having certain air Purification function, its intelligent needs that can not meet people.Therefore, need badly design a kind of novel can Purify the door of air.
Summary of the invention
It is an object of the invention to solve at least the above and/or defect, and provide after at least and will say Bright advantage.
It is a still further object of the present invention to provide a kind of door that can purify air, when it does not carry out purifying work, Do not expose air inlet and air vent, do not affect the appearance, during work, it is possible to fully absorb in room air The harmful gass such as dust and carbon monoxide, nitride, formaldehyde.
In order to realize according to object of the present invention and further advantage, it is provided that a kind of can purify air Door, including:
Door body, it is the hollow structure being vertically arranged;
Air inlet, it is arranged on the close indoor side of door body, is rotatably mounted with many at described air inlet Individual first portable plate, the rotation axis horizontal of described first portable plate is arranged, the rotation of each first portable plate Axle is driven by first motor respectively, and the plurality of first portable plate rotates simultaneously, controls described air inlet The airintake direction of mouth;
Air vent, it is arranged on door body near indoor side, and described exhaust ports is rotatably mounted with many Individual second portable plate, the rotary shaft of described second portable plate is vertically arranged, the rotation of each second portable plate Axle is driven by second motor respectively, and the plurality of second portable plate rotates simultaneously, controls described aerofluxus The discharge directions of mouth;
Air cleaner, it is arranged at inside described door body, and described air cleaner includes a body, First end of described body is communicated to described air inlet, and the second end of described body is communicated to described air vent, In described body, the position near the second end is provided with blower fan, depends on to the second end from the first end in described body Secondary it is provided with the first screen plate, the second screen plate, the 3rd screen plate, the 4th screen plate and the 5th screen plate, Described first screen plate, the second screen plate, the 3rd screen plate, the 4th screen plate and the 5th screen plate are parallel Arrange, and surface all offers multiple through hole, clog between described first screen plate and described second screen plate There are glass fibre and titania fiber, between described second screen plate and described 3rd screen plate, are packed with two The mixture of manganese oxide, copper oxide, silver oxide, zinc oxide and Cobalto-cobaltic oxide, described 3rd screen plate And be packed with activated carbon between described 4th screen plate, described 4th screen plate and described 5th screen plate it Between be packed with molecular sieve;
Controller, it is arranged at inside described door body, described controller respectively with the plurality of first motor Connect with the plurality of second motor, to control the plurality of first portable plate rotating speed with 20-30r/min Rotate, and control the plurality of second portable plate rotational speed with 40-60r/min.
Preferably, the described door that can purify air, the installation site of described air inlet is positioned at described door The lower end of body, the installation site of described air vent is positioned at the upper end of described door body.
Preferably, the described door that can purify air, the plurality of first portable plate, the plurality of Two portable plates and described door body all use identical material to make, when the plurality of first portable plate is in initially During state, described air inlet is just covered by the plurality of first portable plate, when the plurality of second is movable When plate is in original state, described air vent is just covered by the plurality of second portable plate.
Preferably, the described door that can purify air, it is movable that described controller controls the plurality of first Plate and the plurality of second portable plate were in original state every day between 6 o'clock to 22 o'clock.
Preferably, the described door that can purify air, also include:
Air quality detector, it is arranged on the door body surface near indoor side, the spy of described air quality Surveying device to be connected with described controller, described controller is adjusted according to the result of detection of described air quality detector Whole the plurality of first portable plate and the rotating speed of the plurality of second portable plate.
Preferably, the described door that can purify air, also include:
Display screen, it is arranged on the door body surface near indoor side, described display screen and described controller Connect, air quality parameters in display room.
Preferably, the described door that can purify air, also include:
Accumulator, it is arranged on inside door body, for described first motor, described second motor, described wind Machine and described display screen are powered.
Preferably, the described door that can purify air, described first screen plate and described second screen plate Between spacing be 10 centimetres, the spacing between described second screen plate and described 3rd screen plate is 6 centimetres, Spacing between described 3rd screen plate and described 4th screen plate is 10 centimetres, described 4th screen plate and institute Stating the spacing between the 5th screen plate is 5 centimetres.
Preferably, the described door that can purify air, described first screen plate, the second screen plate, Through hole on three screen plates, the 4th screen plate and the 5th screen plate is circular port, described first screen plate A diameter of 100 microns of upper through hole, on described second screen plate a diameter of 50 microns of through hole, described On three screen plates a diameter of 40 microns of through hole, on described 4th screen plate a diameter of 30 microns of through hole, On described 5th screen plate a diameter of 20 microns of through hole.
Preferably, the described door that can purify air, described glass fibre and described titania fiber Weight ratio be 1: 1, the weight of described manganese dioxide, copper oxide, silver oxide, zinc oxide and Cobalto-cobaltic oxide Amount ratio is 1: 1: 1.5: 1.2: 2.
The present invention at least includes following beneficial effect:
(1) present invention arranges air cleaner in door body, can replace air completely clean in life Change machine, and space availability ratio is high;
(2) present invention can fully absorb the dust in room air and carbon monoxide, nitride, formaldehyde Etc. harmful gas, purify the air of a room, and the present invention is intelligent higher, it is possible to show according to indoor Air quality, it is possible to the rotating speed regulating the first portable plate and the second portable plate according to air quality facilitates Ground improves IAQ (indoor air quality);
(3) the first portable plate being respectively provided with due to air inlet and exhaust ports and the material of the second portable plate Identical with the material of door body, and the first portable plate and the second portable plate can cover in an initial condition into QI KOU and air vent, therefore when the first portable plate and the second portable plate are in original state, air inlet and Exhaust ports does not has obvious gap, not affect the attractive in appearance of door body.
Part is embodied by the further advantage of the present invention, target and feature by description below, and part also will By the research of the present invention and practice are understood by the person skilled in the art.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention;
The structural representation of the air cleaner of Fig. 2 present invention;
Fig. 3 is the structural representation of first screen plate of the present invention.
Detailed description of the invention
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art's reference Description word can be implemented according to this.
Should be appreciated that used herein such as " have ", " comprising " and " including " term not Allot other element one or more or the existence of a combination thereof or interpolation.
Fig. 1, Fig. 2 and Fig. 3 show a kind of way of realization according to the present invention, including:
Door body 1, it is the hollow structure being vertically arranged, and the making material of door body 1 can be that metal also may be used To be timber, in door body 1, space is used for installing air cleaner and other device;
Air inlet 2, it is arranged on the close indoor side of door body 1, rotatably pacifies at described air inlet 2 Equipped with multiple first portable plates 21, the rotation axis horizontal of described first portable plate 21 is arranged, and each first The rotary shaft of portable plate 21 is driven by first motor respectively, and the plurality of first portable plate 21 is simultaneously Rotate, control the airintake direction of described air inlet 2;So airintake direction is the most adjustable, both can absorb Dust the nearest in air, it is also possible to absorb carbon monoxide the most farther out, nitride, first The harmful gass such as aldehyde.
Air vent 3, it is arranged on the close indoor side of door body 1, rotatably pacifies at described air vent 3 Equipped with multiple second portable plates 31, the rotary shaft of described second portable plate 31 is vertically arranged, and each second The rotary shaft of portable plate 31 is driven by second motor respectively, and the plurality of second portable plate 31 is simultaneously Rotate, control the discharge directions of described air vent 3;So row left and right, direction is adjustable, after can purifying Cleaned air be blown to indoor each corner, make indoor most of region be obtained in that clean air, Improve air purification effect.
Air cleaner, it is internal that it is arranged at described door body 1, and described air cleaner includes a pipe Body 4, the first end 47 of described body 4 is communicated to described air inlet 2, the second end 48 of described body 4 Being communicated to described air vent 3, in described body 4, the position near the second end 48 is provided with blower fan 41, institute State in body 4 and be disposed with first screen plate the 42, second screen plate from the first end 47 to the second end 48 43, the 3rd screen plate the 44, the 4th screen plate 45 and the 5th screen plate 46, described first screen plate 42, Second screen plate the 43, the 3rd screen plate the 44, the 4th screen plate 45 and the 5th screen plate 46 be arranged in parallel, And surface all offers multiple through hole 421, between described first screen plate 42 and described second screen plate 43 It is packed with glass fibre and titania fiber, described second screen plate 43 and described 3rd screen plate 44 Between be packed with the mixture of manganese dioxide, copper oxide, silver oxide, zinc oxide and Cobalto-cobaltic oxide, described Activated carbon, described 4th screen plate 45 it is packed with between 3rd screen plate 44 and described 4th screen plate 45 And it is packed with molecular sieve between described 5th screen plate 46;Here blower fan 41 refers to air-introduced machine 41, draws Blower fan 41 produces suction and is sucked by air inlet 2 by room air, the air of suction through with air inlet 2 and The body 4 that air vent 3 all connects arrives air vent 3 and enters indoor, and the air of suction will be through repeatedly mistake Filter, the air entering indoor is the purest air.First pass around is the first screen plate 42 and second Glass fibre between screen plate 43 and titania fiber, the ash of this part primary attachment greater particle size Dirt, be then passed through be the manganese dioxide between the second screen plate 43 and the 3rd screen plate 44, copper oxide, The mixture of silver oxide, zinc oxide and Cobalto-cobaltic oxide, this part has stronger oxidisability, it is possible to will Suck the harmful gass such as the carbon monoxide in air, nitride, formaldehyde and be oxidized to low toxicity or non-toxic gas, Being conducive to next step activated carbon to absorb it, secondly process is the 3rd screen plate 44 and the 4th filtration Activated carbon between plate 45, activated carbon has the best absorbability, adsorbs harmful gas further And dust, and absorb the gas that previous step produces and the sky that the oxidizing agent pellets thing brought, relief suck Gas, through molecular sieve, absorbs remaining harmful gas and dust, the purest through the air of multiple times of filtration, Fully meet the demand of healthy living.
Controller, it is internal that it is arranged at described door body 1, and described controller is electric with the plurality of first respectively Machine and the plurality of second motor connect, to control the plurality of first portable plate 21 with 20-30r/min's Rotational speed, and control the plurality of second portable plate 31 rotational speed with 40-60r/min.Here, The rotating speed making the second portable plate 31 is higher than the rotating speed of the first portable plate 21, on the one hand can avoid air-breathing Time will be close to the dust on ground and stir and spill into whole room, pollute room air, on the other hand can make The air entering indoor has bigger scope, and has bigger turbulent extent, enables cleaned air fast Speed is distributed to whole room, and the rotating speed of the first portable plate 21 is optimal with 20-30r/min, the second portable plate The rotating speed of 31 is optimal with 40-60r/min.
Work process in technique scheme is: controller controls the first motor and the second motor rotates, First motor and the second motor drive the first portable plate 21 and the second portable plate 31 to rotate respectively, blower fan 41 Opening, sucked by room air, the air of suction multiple filtering material in body 4 is filtered into totally Air, then arrives air vent 3, and discharges, it is achieved the purification of air.
In another kind of example, as it is shown in figure 1, the described door that can purify air, described air inlet 2 Installation site be positioned at the lower end of described door body 1, the installation site of described air vent 3 is positioned at described door body The upper end of 1.Dust typically swims in the nearest position, and air inlet 2 is arranged close to ground has It is beneficial to absorb more dust laden air, air vent 3 is arranged on higher position, similar with the height of people Position, it is ensured that the air degree of purity of position that people breathe is higher.
In another kind of example, as it is shown in figure 1, the described door that can purify air, the plurality of first Portable plate 21, the plurality of second portable plate 31 and described door body 1 all use identical material to make, when When the plurality of first portable plate 21 is in original state, the plurality of first portable plate 21 is just by institute State air inlet 2 to cover, when the plurality of second portable plate 31 is in original state, the plurality of second Described air vent 3 is just covered by portable plate 31.So, when the first portable plate 21 and the second portable plate 31 when being in original state, does not has obvious gap, not affect door body 1 at air inlet 2 and air vent 3 Attractive in appearance.
In another kind of example, the described door that can purify air, described controller controls the plurality of the One portable plate 21 and the plurality of second portable plate 31 were in original state every day between 6 o'clock to 22 o'clock. So, when purifying when the work of air is arranged on 22 to next day 6, the time that usually people have a rest, keep away Exempt from clearing machine and affect the work that people are usual, people can be made again just to get up morning can breathe pure Air.
In another kind of example, the described door that can purify air, also include:
Air quality detector, it is arranged on the door body 1 surface near indoor side, described air quality Detector is connected with described controller, and described controller is according to the result of detection of described air quality detector Adjust the plurality of first portable plate 21 and the rotating speed of the plurality of second portable plate 31.Air quality is visited Survey device and can detect the content of harmful gas, once PM2.5 value in the PM2.5 value of room air and air Too high, or the too high levels of harmful gas, controller just can improve the first portable plate 21 and multiple second The rotating speed of portable plate 31, accelerates the replacing speed of air.
In another kind of example, as it is shown in figure 1, the described door that can purify air, also include:
Display screen 5, it is arranged on door body 1 surface near indoor side, and described display screen 5 is with described Controller connects, air quality parameters in display room.So enable people to see room air intuitively Quality, such as PM2.5 value.
In another kind of example, the described door that can purify air, also include:
Accumulator, it is internal that it is arranged on door body 1, for described first motor, described second motor, described Blower fan 41 and described display screen 5 are powered.Accumulator is used for providing electric energy, make the first motor, the second motor, Blower fan 41 and display screen 5 can normally work.
In another kind of example, the described door that can purify air, described first screen plate 42 and described the Spacing between two screen plates 43 is 10 centimetres, described second screen plate 43 and described 3rd screen plate 44 Between spacing be 6 centimetres, the spacing between described 3rd screen plate 44 and described 4th screen plate 45 is 10 Centimetre, the spacing between described 4th screen plate 45 and described 5th screen plate 46 is 5 centimetres.First mistake Glass fibre and titania fiber between filter plate 42 and the second screen plate 43 are mainly used in absorbing bulky grain Dust, needs to leave for the receiving space that dust is enough, and therefore both distances are longer, the second screen plate 43 And the oxidant between the 3rd screen plate 44 is mainly used in aoxidizing harmful gas, and both distances are moderate, the Activated carbon between three screen plates 44 and the 4th screen plate 45 needs the absorption task maximum undertaken, both Distance also require that longer, the molecular sieve between the 4th screen plate 45 and the 5th screen plate 46 is the most right Activated carbon plays assosting effect, and both distances can be smaller.The present invention arranges distance be followed successively by 10 centimetres, 6 centimetres, 10 centimetres and 5 centimetres, the air quality after purification is best.
In another kind of example, the described door that can purify air, described first screen plate the 42, second mistake Through hole 421 on filter plate the 43, the 3rd screen plate the 44, the 4th screen plate 45 and the 5th screen plate 46 is Circular port, on described first screen plate 42 a diameter of 100 microns of through hole 421, described second screen plate On 43 a diameter of 50 microns of through hole 421, on described 3rd screen plate 44 a diameter of the 40 of through hole 421 Micron, on described 4th screen plate 45 a diameter of 30 microns of through hole 421, described 5th screen plate 46 A diameter of 20 microns of upper through hole 421.The particle diameter of the dust in air initially entered is relatively big, in order to ensure Air circulates, and fully absorbs dust particle, and first screen plate the 42, second screen plate the 43, the 3rd filters The aperture of plate the 44, the 4th screen plate 45 and the 5th screen plate 46 arranges and is sequentially reduced.The present invention is arranged When aperture is followed successively by 100 microns, 50 microns, 40 microns, 30 microns and 20 microns, the circulation of air Property and best to the absorbability of dust.
In another kind of example, the described door that can purify air, described glass fibre and described titanium dioxide The weight ratio of titanium fiber is 1: 1, so best to the absorbability of bulky grain dust particle, described manganese dioxide, The weight ratio of copper oxide, silver oxide, zinc oxide and Cobalto-cobaltic oxide is 1: 1: 1.5: 1.2: 2, so prepares Oxidant can the harmful gas such as fully oxidized carbon monoxide, nitride, formaldehyde, as worked as manganese dioxide When content is relatively low, the best to the oxidation effectiveness of carbon monoxide.
Although embodiment of the present invention are disclosed as above, but it is not restricted to description and embodiment party Listed utilization in formula.It can be applied to various applicable the field of the invention completely.For being familiar with ability For the personnel in territory, it is easily achieved other amendment.Therefore without departing substantially from claim and etc. homotype Enclosing under limited general concept, the present invention is not limited to specific details and shown here as the figure with description Example.

Claims (10)

1. can purify a door for air, including: door body, it is the hollow structure being vertically arranged,
It is characterized in that, also include:
Air inlet, it is arranged on the close indoor side of door body, is rotatably mounted with many at described air inlet Individual first portable plate, the rotation axis horizontal of described first portable plate is arranged, the rotation of each first portable plate Axle is driven by first motor respectively, and the plurality of first portable plate rotates simultaneously, controls described air inlet The airintake direction of mouth;
Air vent, it is arranged on door body near indoor side, and described exhaust ports is rotatably mounted with many Individual second portable plate, the rotary shaft of described second portable plate is vertically arranged, the rotation of each second portable plate Axle is driven by second motor respectively, and the plurality of second portable plate rotates simultaneously, controls described aerofluxus The discharge directions of mouth;
Air cleaner, it is arranged at inside described door body, and described air cleaner includes a body, First end of described body is communicated to described air inlet, and the second end of described body is communicated to described air vent, In described body, the position near the second end is provided with blower fan, depends on to the second end from the first end in described body Secondary it is provided with the first screen plate, the second screen plate, the 3rd screen plate, the 4th screen plate and the 5th screen plate, Described first screen plate, the second screen plate, the 3rd screen plate, the 4th screen plate and the 5th screen plate are parallel Arrange, and surface all offers multiple through hole, clog between described first screen plate and described second screen plate There are glass fibre and titania fiber, between described second screen plate and described 3rd screen plate, are packed with two The mixture of manganese oxide, copper oxide, silver oxide, zinc oxide and Cobalto-cobaltic oxide, described 3rd screen plate And be packed with activated carbon between described 4th screen plate, described 4th screen plate and described 5th screen plate it Between be packed with molecular sieve;
Controller, it is arranged at inside described door body, described controller respectively with the plurality of first motor Connect with the plurality of second motor, to control the plurality of first portable plate rotating speed with 20-30r/min Rotate, and control the plurality of second portable plate rotational speed with 40-60r/min.
The door of air can be purified the most as claimed in claim 1, it is characterised in that the peace of described air inlet Holding position is positioned at the lower end of described door body, and the installation site of described air vent is positioned at the upper end of described door body.
The door of air can be purified the most as claimed in claim 1, it is characterised in that the plurality of first lives Dynamic plate, the plurality of second portable plate and described door body all use identical material to make, when the plurality of the When one portable plate is in original state, described air inlet is just covered by the plurality of first portable plate, when When the plurality of second portable plate is in original state, the plurality of second portable plate is just by described aerofluxus Mouth covers.
The door of air can be purified the most as claimed in claim 3, it is characterised in that described controller controls The plurality of first portable plate and the plurality of second portable plate were in initial shape every day between 6 o'clock to 22 o'clock State.
The door of air can be purified the most as claimed in claim 1, it is characterised in that also include:
Air quality detector, it is arranged on the door body surface near indoor side, the spy of described air quality Surveying device to be connected with described controller, described controller is adjusted according to the result of detection of described air quality detector Whole the plurality of first portable plate and the rotating speed of the plurality of second portable plate.
The door of air can be purified the most as claimed in claim 5, it is characterised in that also include:
Display screen, it is arranged on the door body surface near indoor side, described display screen and described controller Connect, air quality parameters in display room.
The door of air can be purified the most as claimed in claim 6, it is characterised in that also include:
Accumulator, it is arranged on inside door body, for described first motor, described second motor, described wind Machine and described display screen are powered.
The door of air can be purified the most as claimed in claim 1, it is characterised in that described first screen plate And the spacing between described second screen plate is 10 centimetres, between described second screen plate and described 3rd screen plate Spacing be 6 centimetres, the spacing between described 3rd screen plate and described 4th screen plate is 10 centimetres, institute The spacing stated between the 4th screen plate and described 5th screen plate is 5 centimetres.
The door of air can be purified the most as claimed in claim 1, it is characterised in that described first screen plate, Through hole on second screen plate, the 3rd screen plate, the 4th screen plate and the 5th screen plate is circular port, On described first screen plate a diameter of 100 microns of through hole, on described second screen plate, through hole is a diameter of 50 microns, on described 3rd screen plate a diameter of 40 microns of through hole, through hole on described 4th screen plate A diameter of 30 microns, on described 5th screen plate a diameter of 20 microns of through hole.
The door of air can be purified the most as claimed in claim 1, it is characterised in that described glass fibre It is 1:1 with the weight ratio of described titania fiber, described manganese dioxide, copper oxide, silver oxide, oxidation The weight ratio of zinc and Cobalto-cobaltic oxide is 1:1:1.5:1.2:2.
CN201510324437.5A 2015-06-14 2015-06-14 Door capable of purifying air Active CN104989246B (en)

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CN104989246B true CN104989246B (en) 2017-01-11

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Families Citing this family (7)

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Publication number Priority date Publication date Assignee Title
CN105350877A (en) * 2015-12-10 2016-02-24 郑嘉雯 Room doors with air suction function
CN105672848A (en) * 2016-01-07 2016-06-15 邓君 Intelligent door
CN105840061A (en) * 2016-05-12 2016-08-10 褚树春 Air purifying door
CN107724922B (en) * 2016-12-05 2019-07-12 海门市大德知识产权服务有限公司 A kind of air purification door
CN107237582A (en) * 2017-06-16 2017-10-10 余雷 A kind of door for carrying out air cleaning
CN108119034B (en) * 2017-12-15 2020-02-18 山东佳星环保科技有限公司 Can improve indoor air circumstance's shutter
CN111744875A (en) * 2020-07-07 2020-10-09 张小平 A raw and other materials cleaning system for traditional chinese medicine processing production

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CN201125655Y (en) * 2007-08-30 2008-10-01 陈波 Bidirectional heat preservation air-changing device and window or door with the same
CN201125643Y (en) * 2007-11-11 2008-10-01 鲍玉柏 Air conditioner door
CN202516457U (en) * 2012-06-29 2012-11-07 乌鲁木齐市华泰隆化学助剂有限公司 Air purifying device
CN202767824U (en) * 2012-07-11 2013-03-06 重庆宜居门业有限公司 Air purification door
KR101527952B1 (en) * 2014-10-02 2015-06-11 주식회사 근옥 Air cleaning device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201125655Y (en) * 2007-08-30 2008-10-01 陈波 Bidirectional heat preservation air-changing device and window or door with the same
CN201125643Y (en) * 2007-11-11 2008-10-01 鲍玉柏 Air conditioner door
CN202516457U (en) * 2012-06-29 2012-11-07 乌鲁木齐市华泰隆化学助剂有限公司 Air purifying device
CN202767824U (en) * 2012-07-11 2013-03-06 重庆宜居门业有限公司 Air purification door
KR101527952B1 (en) * 2014-10-02 2015-06-11 주식회사 근옥 Air cleaning device

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