CN103925653A - Double-side filter air input purifier with filter nets of large wind area - Google Patents

Double-side filter air input purifier with filter nets of large wind area Download PDF

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Publication number
CN103925653A
CN103925653A CN201410163365.6A CN201410163365A CN103925653A CN 103925653 A CN103925653 A CN 103925653A CN 201410163365 A CN201410163365 A CN 201410163365A CN 103925653 A CN103925653 A CN 103925653A
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CN
China
Prior art keywords
air
screen pack
inlet
channel
cabinet
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Granted
Application number
CN201410163365.6A
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Chinese (zh)
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CN103925653B (en
Inventor
袁金俊
李可
梁远盛
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Kingby Photocatalysis Science & Tech Co Ltd
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Kingby Photocatalysis Science & Tech Co Ltd
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Priority to CN201410163365.6A priority Critical patent/CN103925653B/en
Publication of CN103925653A publication Critical patent/CN103925653A/en
Application granted granted Critical
Publication of CN103925653B publication Critical patent/CN103925653B/en
Expired - Fee Related 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
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. 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

Abstract

The invention discloses a double-side filter air input purifier with filter nets of large wind area. The double-side filter air input purifier comprises a motor wind wheel, air channels, a front machine case, a rear machine case and a top cover. The front machine case and the rear machine case are spliced to form space for arranging the motor wind wheel and the air channels, and the top cover is fixedly arranged on the front machine case and the rear machine case and located above air outlets of the air channels. Air can enter the front side and the rear side of the double-side filter air input purifier, the front machine case and the rear machine case are respectively provided with a main air inlet and an auxiliary air inlet, the air channels comprise a main air channel and an auxiliary air channel, the auxiliary air channel is communicated with the auxiliary air inlet, and the air channels have the advantages of being large in air input amount and air purifying amount. The filter nets arranged on a front machine case body and a rear machine case body have large wind area, the utilization rate is high, the filter nets arranged on the front machine case body and the rear machine case body can have the same function or different functions, and the humidifying function and electrostatic precipitation function can be achieved at the same time when a humidifying impeller and an electrostatic precipitation net are respectively arranged.

Description

The bilateral filtering inlet air air purifier that a kind of screen pack wind area is large
Technical field
The present invention relates to air purifying process field, be specifically related to a kind of air cleaning unit.
Background technology
Its air inlet of air purifier is in the market arranged on a side, centrifugal wind wheel is a side opening, centrifugal wind wheel sucks air channel by air via screen pack and from being arranged on the air inlet of air purifier one side, its air inlet size of above-mentioned existing air purifier and centrifugal wind wheel diameter are roughly equal to, air inlet is narrow and small, therefore its air capacity that sucks air channel is little, the air capacity purifying is also less, when low the and air of electric efficiency sucks air channel via screen pack from air inlet, extraneous air cannot be through each corner on screen pack surface, near air inlet, screen pack is that screen pack mid portion service efficiency is high, remainder service efficiency is low, screen pack can not be brought into play maximum service efficiency.It sets up air inlet and in the perforate of outer, air channel the air-conditioner with novel air inlet system of announcing as Chinese patent application issued patents (application number 201210277744.9) in air-conditioner both sides, make both sides air inlet air via outer, the air channel perforate air channel rear side air intake that detours, although technique scheme has solved, the air capacity in the suction air channel that on market, air purifier causes because air intake is young is little and the amount of purifying air is little, the problem that air quantity is little, but its complex structure, simultaneously its both sides air intake loss of need detouring is larger, has certain limitation.
And above-mentioned its air inlet of air purifier is in the market arranged on a side, centrifugal wind wheel is a side opening, if want additional humidification and electrostatic dust collecting function on clarifier simultaneously, humidification impeller and electrostatic precipitation net can only be arranged on the same side, and due to the restriction of air purifier interior spatial structure, electrostatic precipitation net is apart from humidification impeller close together, so its creep age distance and electrical equipment gap be difficult to meet, and therefore cannot realize additional humidification and electrostatic dust collecting function simultaneously.
For the problems referred to above, be necessary air purifier in the market to improve.
Summary of the invention
For the deficiencies in the prior art, the present invention aims to provide that a kind of intake is large, the amount of purifying air large, screen pack utilization ratio is high and can add the large bilateral filtering inlet air air purifier of screen pack wind area of humidification and electrostatic dust collecting function simultaneously.
For achieving the above object, the present invention adopts following technical scheme:
The bilateral filtering inlet air air purifier that a kind of screen pack wind area is large, comprise motor wind wheel, air channel, front housing, back cabinet and top cover, air channel is provided with for the cavity of accommodating motor wind wheel and supplies the air outlet of air outflow, on top cover, be provided with the air discharge grille for Bas Discharged after purifying, front housing and back cabinet are spliced to form for installing the space in motor wind wheel and air channel, top cover is fixedly mounted on front housing and back cabinet top and is positioned at its air outlet top, air channel, described motor is single shaft motor, described wind wheel is Bidirection air vane, its axis hole of single shaft motor output shaft and Bidirection air vane is fixedly connected with, described front housing comprises front housing body and the first screen pack, and this body by integral forming of front housing has the first cavity, is provided with front main air inlet in the first well floor, is provided with front auxiliary air inlet near front main air inlet, and the first filter screen device is in the first cavity, back cabinet comprises back cabinet body and the second screen pack, and this body by integral forming of back cabinet has the second cavity, is provided with rear main air inlet in the second well floor, is provided with rear auxiliary air inlet near rear main air inlet, and the second filter screen device is in the second cavity, its both sides of both-side opening, described air channel are provided with auxiliary air channel near being positioned at cavity, the large less outlet air end of caliber size that is arranged on air channel opposite side that is also shrunk to gradually of its air intake caliber size of auxiliary air channel, the auxiliary air channel of its both sides, described air channel is communicated with the front auxiliary air inlet arranging on front housing body and back cabinet body and rear auxiliary air inlet respectively, front main air inlet and rear main air inlet are communicated with cavity.
Preferably, its air intake of above-mentioned auxiliary air channel and outlet air end bore contracted section shape are funnel-form.
Or described motor is dual-axle motor, described wind wheel is one-way windwheel, and its two output shaft of dual-axle motor is fixedly connected with respectively an one-way windwheel.
Preferably, both sides, described air channel are respectively arranged with three auxiliary air channels, and above-mentioned auxiliary air channel is arranged on air channel on three corner locations away from its air outlet.
Further, described front housing also comprises front panel, and front panel is fixedly mounted on front housing body and with front housing body and remains with the air intake gap flowing into for extraneous air; Described back cabinet also comprises rear board, and rear board is fixedly mounted on back cabinet body and with back cabinet body and also remains with the air intake gap flowing into for extraneous air.
Described the first screen pack is physical filtering net, electrostatic precipitation net or humidification impeller.
Described the second screen pack is physical filtering net, electrostatic precipitation net or humidification impeller.
Described air channel adopts foam, high-density paper or the fiber of recyclable degraded compressing.
The present invention has following beneficial effect:
The bilateral filtering inlet air air purifier that a kind of screen pack wind area of the present invention is large, both sides all can air intake before and after it, on front housing body and back cabinet body, be provided with main air inlet and auxiliary air inlet, air channel is except being provided with the main air duct being comprised of cavity and air outlet, also be provided with auxiliary air channel, auxiliary air channel is communicated with auxiliary air inlet, has advantages of that intake is large, the amount of purifying air is large; The present invention realizes bilateral and filters the twice that its wind area is existing air purifier under single motor system, purifies efficiency and greatly improves, and environmental protection is had a positive effect; Front housing body and back cabinet body are provided with auxiliary air inlet, also can be fully used in the place of screen pack except mid portion, and screen pack wind area is large, and utilization rate is high; The screen pack installing on front housing body and back cabinet body can be the screen pack of identical function, can be also the screen pack of difference in functionality, when installing respectively humidification impeller and electrostatic precipitation net, can realize humidification and electrostatic dust collecting function simultaneously.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the bilateral filtering inlet air air purifier that a kind of screen pack wind area of the present invention is large;
Fig. 2 is the bilateral filtering inlet air air purifier STRUCTURE DECOMPOSITION figure that a kind of screen pack wind area of the present invention is large;
Fig. 3 is that its air channel of bilateral filtering inlet air air purifier that a kind of screen pack wind area of the present invention is large is near the structural representation of front housing body one side;
Fig. 4 is that the bilateral filtering inlet air air purifier that a kind of screen pack wind area of the present invention is large is its auxiliary air channel section and auxiliary air channel and main air duct air flow schematic diagram;
Fig. 5 is that its air channel of bilateral filtering inlet air air purifier that a kind of screen pack wind area of the present invention is large is near the structural representation of back cabinet body one side;
Fig. 6 is its single shaft motor of bilateral filtering inlet air air purifier that a kind of screen pack wind area of the present invention is large and the another kind of replacement scheme structural representation of Bidirection air vane;
Fig. 7 is its single shaft motor of bilateral filtering inlet air air purifier that a kind of screen pack wind area of the present invention is large and another replacement scheme structural representation of Bidirection air vane.
The specific embodiment
Below in conjunction with drawings and the specific embodiments, the invention will be further described, understands the claimed technological thought of the present invention so that clearer.
Be the large a kind of embodiment of bilateral filtering inlet air air purifier of a kind of screen pack wind area of the present invention as shown in Figure 1-2, comprise a single shaft motor 10, Bidirection air vane 20, air channel 30, front housing 40, back cabinet 50 and a top cover 60, described single shaft motor 10 its output shafts are connected with Bidirection air vane 20 axis holes; On air channel 30, be provided with one for the cavity 30a of accommodating single shaft motor 10 and Bidirection air vane 20, this cavity 30a is shaped as circle, and its diameter is large compared with Bidirection air vane 20 external diameters, on air channel 30, being also provided with an opening is that air outlet 30b flows out for confession air, and air outlet 30b is communicated with formation main air duct with cavity 30a; 30 both sides, described air channel are also provided with some auxiliary air channel 30c, described air channel 30 its both-side openings, and both sides all can air intake;
Front housing 40 comprises front housing body 401, the first screen pack 402 and front panel 403, front housing body 401 is one-body molded the first cavity 401a, the first screen pack 402 devices are on its first cavity of this front housing body 401a, on the base plate of described the first cavity 401a itself and the laminating of the first screen pack 402, be provided with front main air inlet 401b, on described base plate, be positioned at and be also provided with near front main air inlet 401b and the front auxiliary air inlet 401c being communicated with near the auxiliary air channel 30c of front housing body one side on air channel 30; Front panel 403 is fixedly connected on front housing body 401 and with front housing body 401 and remains with the air intake gap flowing into for extraneous air;
Back cabinet 50 comprises back cabinet body 501, the second screen pack 502 and rear board 503, back cabinet body 501 is one-body molded the second cavity, the second screen pack 502 devices are on its second cavity of this back cabinet body, on the base plate of described the second cavity itself and the laminating of the second screen pack 502, be provided with rear main air inlet 501b, be positioned at and be also provided with near described rear main air inlet 501b and the rear auxiliary air inlet 501c being communicated with near the auxiliary air channel 30c of back cabinet body one side on air channel 30; Described rear board 503 be fixedly connected on back cabinet body 501 and and back cabinet body 501 between also remain with the air intake gap flowing into for extraneous air;
On top cover 60, be provided with the air discharge grille 601 for Bas Discharged after purifying; Front housing body 401 is spliced to form for installing the space in single shaft motor 10, Bidirection air vane 20 and air channel 30 with back cabinet body 501, top cover 60 is fixedly mounted on front housing body 401 with back cabinet body 501 tops and is positioned at 30 its air outlet 30b tops, air channel, and after purifying, air discharges via the air discharge grille 601 on top cover 60 after being flowed out by air channel 30 its air outlet 30b again.
Be illustrated in figure 3 air channel 30 its structural representations near front housing body 401 1 sides, described air channel 30 is except being provided with the main air duct being formed by cavity 30a and air outlet 30b, on three corner locations away from air outlet 30b on air channel 30, be also provided with three auxiliary air channel 30c, it is through to air channel 30 opposite sides near back cabinet body one side near front housing body one side this 30cCong air channel, auxiliary air channel 30, and the large less outlet air end 30c-2 of caliber size that is arranged on close back cabinet body one side of air channel 30 opposite sides that is also shrunk to gradually of described auxiliary its air intake of air channel 30c 30c-1 caliber size.Again as shown in Figure 4, described auxiliary air channel 30c its air intake 30c-1 and outlet air end 30c-2 bore contracted section shape are funnel-form, and this funnel channel is auxiliary air channel 30c.Auxiliary air channel 30c is that its air intake of funnel channel 30c-1 relative aperture outlet air end 30c-2 bore is large, auxiliary its outlet air end of air channel 30c 30c-2 can form larger air pressure, thereby the air-flow in the auxiliary air channel 30c that flows through has one-way, air can only be flow to the outlet air end 30c-2 that bore is little and cannot be back to the air intake 30c-1 that bore is large from the little outlet air end 30c-2 of bore by the large air intake 30c-1 of bore, funnel channel can be avoided the generation of air sinuous flow, can avoid producing sinuous flow noise simultaneously.
Be illustrated in figure 5 air channel 30 its structural representations near back cabinet body 501 1 sides, described air channel 30 is except being provided with the main air duct being formed by cavity 30a and air outlet 30b, on three corner locations away from air outlet 30b on air channel 30, be also provided with three auxiliary air channel 30c, it is through to air channel 30 opposite sides near front housing body one side near back cabinet body one side this 30cCong air channel, auxiliary air channel 30, and the large less outlet air end 30c-2 of caliber size that is arranged on close front housing body one side of air channel 30 opposite sides that is also shrunk to gradually of described auxiliary its air intake of air channel 30c 30c-1 caliber size, in like manner be arranged on air channel 30 its near the auxiliary air channel 30c in back cabinet body 501 1 sides, its air intake 30c-1 and outlet air end 30c-2 caliber size shrink and are also funnel-form.
As shown in Figure 6, above-mentioned single shaft motor 10 and Bidirection air vane 20 also can be substituted by dual-axle motor 70 and two one-way windwheels 80 that are connected on 70 liang of output shafts of above-mentioned dual-axle motor.
As shown in Figure 7, above-mentioned single shaft motor 10 and Bidirection air vane 20 also can be by single shaft motor and unidirectional can the substituting by through wind wheel being in transmission connection with single shaft motor output shaft.
The first screen pack 402 on said apparatus mmi machine shell body 401 its first cavity 401a, second screen pack 502 of device on back cabinet body 501 its second cavitys can be the screen pack of identical function, also can be the screen pack of difference in functionality, as the cooperation of the difference in functionality screen packs such as physical filtering net, electrostatic precipitation net or humidification impeller.
Operation principle of the present invention is: single shaft motor 10 drives Bidirection air vane 20 runnings or dual-axle motor 70 to drive after two one-way windwheel 80 runnings, extraneous air from both sides respectively via the first screen pack 402 of front housing 40, be arranged on the front main air inlet 401b front housing body 401, the second screen pack 502 of back cabinet 50, the rear main air inlet 501b being arranged on back cabinet body 501 enter air channel 30 its cavity 30a; Meanwhile, extraneous air via the first screen pack 402 of front housing 40, be arranged on the front auxiliary air inlet 401c on front housing body 401, enter and be arranged on air channel and from being arranged on air channel opposite side, near the outlet air end 30c-2 of back cabinet body one side, be sucked into air channel 30 its cavity 30a near auxiliary air channel 30c its air intake 30c-1 of front housing body one side and via the auxiliary air channel 30c of funnel-form; Simultaneously extraneous air from opposite side via the second screen pack 502 of back cabinet 50, be arranged on the rear auxiliary air inlet 501c back cabinet body 501, enter and be arranged on air channel and from being arranged on air channel opposite side, near the outlet air end 30c-2 of front housing body one side, be sucked into air channel 30 its cavity 30a near auxiliary air channel 30c its air intake 30c-1 of back cabinet body one side and via the auxiliary air channel 30c of funnel-form; Above-mentioned four strands of distinguished and admirable main air ducts that converge through being formed by cavity 30a and air outlet 30b are discharged by air outlet 30b, finally by the air discharge grille 601 on top cover 60, discharge, and both sides operation principle is identical.
For environmental protection, above-mentioned air channel 30 adopts foam, high-density paper or fiber compressing, also can adopt other easily to reclaim the easily material of the environmental sound of degraded.
For a person skilled in the art, can make other various corresponding changes and distortion according to technical scheme described above and design, and these all changes and distortion all should belong to the protection domain of the claims in the present invention within.

Claims (8)

1. the bilateral filtering inlet air air purifier that screen pack wind area is large, comprise motor wind wheel, air channel (30), front housing (40), back cabinet (50) and top cover (60), the air outlet (30b) that air channel (30) is provided with the cavity (30a) for accommodating motor wind wheel and flows out for air, on top cover (60), be provided with the air discharge grille (601) for Bas Discharged after purifying, front housing (40) is spliced to form for installing the space of motor wind wheel and air channel (30) with back cabinet (50), top cover (60) is fixedly mounted on front housing (40) and back cabinet (50) top and is positioned at its air outlet of air channel (30) (30b) top, it is characterized in that: described motor is single shaft motor (10), described wind wheel is Bidirection air vane (20), single shaft motor (10) output shaft is fixedly connected with its axis hole of Bidirection air vane (20), described front housing (40) comprises front housing body (401) and the first screen pack (402), front housing body (401) is one-body molded the first cavity (401a), in the first well floor, be provided with front main air inlet (401b), near front main air inlet (401b), be provided with front auxiliary air inlet (401c), the first screen pack (402) installs in the first cavity (401a), described back cabinet (50) comprises back cabinet body (501) and the second screen pack (502), back cabinet body (501) is one-body molded the second cavity, in the second well floor, be provided with rear main air inlet (501b), near rear main air inlet (501b), be provided with rear auxiliary air inlet (501c), the second screen pack (502) installs in the second cavity, its both sides of both-side opening, described air channel (30) are provided with auxiliary air channel (30c) near being positioned at cavity (30a), the large less outlet air end (30c-2) of caliber size that is arranged on air channel (30) opposite side that is also shrunk to gradually of auxiliary its air intake of air channel (30c) (30c-1) caliber size, the auxiliary air channel (30c) of its both sides, described air channel (30) is communicated with front housing body (401) and upper front auxiliary air inlet (401c) and the rear auxiliary air inlet (501c) arranging of back cabinet body (501) respectively, front main air inlet (401b) and rear main air inlet (501b) are communicated with cavity (30a).
2. the large bilateral filtering inlet air air purifier of a kind of screen pack wind area as claimed in claim 1, is characterized in that: its air intake of described auxiliary air channel (30c) (30c-1) is funnel-form with outlet air end (30c-2) bore contracted section shape.
3. the large bilateral filtering inlet air air purifier of a kind of screen pack wind area as claimed in claim 1, it is characterized in that: described motor is dual-axle motor (70), described wind wheel is one-way windwheel (80), and its two output shaft of dual-axle motor (70) is fixedly connected with respectively an one-way windwheel (80).
4. the large bilateral filtering inlet air air purifier of a kind of screen pack wind area as claimed in claim 1, it is characterized in that: both sides, described air channel (30) are respectively arranged with three auxiliary air channels (30c), above-mentioned auxiliary air channel (30c) is arranged on upper three corner locations away from its air outlet (30b) in air channel (30).
5. the large bilateral filtering inlet air air purifier of a kind of screen pack wind area as claimed in claim 1, it is characterized in that: described front housing (40) also comprises front panel (403), front panel (403) is fixedly mounted on front housing body (401) above and remains with front housing body (401) the air intake gap flowing into for extraneous air; Described back cabinet (50) also comprises rear board (503), and rear board (503) is fixedly mounted on back cabinet body (501) above and also remains with back cabinet body (501) the air intake gap flowing into for extraneous air.
6. the large bilateral filtering inlet air air purifier of a kind of screen pack wind area as claimed in claim 1, is characterized in that: described the first screen pack (402) is physical filtering net, electrostatic precipitation net or humidification impeller.
7. the large bilateral filtering inlet air air purifier of a kind of screen pack wind area as claimed in claim 1, is characterized in that: described the second screen pack (502) is physical filtering net, electrostatic precipitation net or humidification impeller.
8. the large bilateral filtering inlet air air purifier of a kind of screen pack wind area as claimed in claim 1, is characterized in that: described air channel (30) adopt foam, high-density paper or the fiber of recyclable degraded compressing.
CN201410163365.6A 2014-04-22 2014-04-22 The bilateral filtering inlet air air purifier that a kind of screen pack wind area is large Expired - Fee Related CN103925653B (en)

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CN201410163365.6A CN103925653B (en) 2014-04-22 2014-04-22 The bilateral filtering inlet air air purifier that a kind of screen pack wind area is large

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CN201410163365.6A CN103925653B (en) 2014-04-22 2014-04-22 The bilateral filtering inlet air air purifier that a kind of screen pack wind area is large
PCT/CN2014/085335 WO2015161600A1 (en) 2014-04-22 2014-08-27 Air-purifier performing dual-sided filtration of intake air and with filter mesh of large air-contact area

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CN103925653A true CN103925653A (en) 2014-07-16
CN103925653B CN103925653B (en) 2016-06-15

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WO2015161600A1 (en) * 2014-04-22 2015-10-29 广东净霸科技有限公司 Air-purifier performing dual-sided filtration of intake air and with filter mesh of large air-contact area
CN105042713A (en) * 2015-08-03 2015-11-11 莱克电气绿能科技(苏州)有限公司 Air purifier with air outlet externally connected with flow guide port
CN105091127A (en) * 2015-08-03 2015-11-25 莱克电气绿能科技(苏州)有限公司 Intelligent double-suction type air purifier
CN105115051A (en) * 2015-08-03 2015-12-02 莱克电气绿能科技(苏州)有限公司 Air purifier with guide plate
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CN106563568A (en) * 2016-10-27 2017-04-19 芜湖美智空调设备有限公司 Air purifier

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CN201603482U (en) * 2010-01-13 2010-10-13 王吉祥 Air purifier
CN201823415U (en) * 2010-09-17 2011-05-11 冠德科技(北海)有限公司 Bidirectional air inlet purifier
CN203797811U (en) * 2014-04-22 2014-08-27 广东净霸科技有限公司 Double-side inflow wind filtering type air purifier with large-wind-area filter screens

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WO2015161600A1 (en) * 2014-04-22 2015-10-29 广东净霸科技有限公司 Air-purifier performing dual-sided filtration of intake air and with filter mesh of large air-contact area
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CN105091127A (en) * 2015-08-03 2015-11-25 莱克电气绿能科技(苏州)有限公司 Intelligent double-suction type air purifier
CN105115051A (en) * 2015-08-03 2015-12-02 莱克电气绿能科技(苏州)有限公司 Air purifier with guide plate
CN105115050A (en) * 2015-08-03 2015-12-02 莱克电气绿能科技(苏州)有限公司 Air purifier with conical air inlet grids
CN105042713B (en) * 2015-08-03 2018-06-26 莱克电气绿能科技(苏州)有限公司 A kind of air purifier of the external flow-guiding mouth of air outlet
CN105115050B (en) * 2015-08-03 2018-10-26 莱克电气绿能科技(苏州)有限公司 A kind of air purifier with conical air intake grid
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CN105972805A (en) * 2016-06-21 2016-09-28 如皋市光华科技创业服务有限公司 Dual air conditioner filter net for air conditioner air inlet
CN106563568A (en) * 2016-10-27 2017-04-19 芜湖美智空调设备有限公司 Air purifier

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