CN112833483B - Indoor air ventilation purification and humidification device for building - Google Patents

Indoor air ventilation purification and humidification device for building Download PDF

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Publication number
CN112833483B
CN112833483B CN202110028668.7A CN202110028668A CN112833483B CN 112833483 B CN112833483 B CN 112833483B CN 202110028668 A CN202110028668 A CN 202110028668A CN 112833483 B CN112833483 B CN 112833483B
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air
purification
guide pipe
air guide
ventilation
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CN202110028668.7A
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CN112833483A (en
Inventor
傅睿
黄新建
支皓
赵俊
孔理鑫
朱理洋
李直
徐新春
马澜
贾思凡
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Changzhou Institute of Technology
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Changzhou Institute of Technology
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/0017Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
    • 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
    • F24F13/30Arrangement or mounting of heat-exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F6/00Air-humidification, e.g. cooling by humidification
    • F24F6/12Air-humidification, e.g. cooling by humidification by forming water dispersions in the air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00Ventilation
    • F24F7/04Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/065Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit fan combined with single duct; mounting arrangements of a fan in a duct
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/54Free-cooling systems
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14Thermal energy storage

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Dispersion Chemistry (AREA)
  • Air Humidification (AREA)

Abstract

The invention discloses a ventilation purification and humidification device for building indoor air, which comprises an air purification air pipe, wherein one end of the air purification air pipe is provided with an air inlet, the other end of the air purification air pipe is provided with an air outlet, the air purification air pipe comprises a purification device, a heating device, a ventilation device and a humidification device, when a dust exhaust component in the purification device is under the action of wind power, the air purification air pipe can slightly rotate inwards to gradually introduce indoor air into a first air guide pipe, and primarily purify and filter out impurities with larger particles in the air by adsorbing soft cotton, so that the dust is prevented from being directly discharged to a filter screen plate, the air inlet is semi-blocked by a sealing rubber pad on the dust exhaust component, the air can pass through a gap between the periphery of the sealing rubber pad and the first air guide pipe, the impurities in the air are blown to the filter screen plate along the inner wall of the first air guide pipe, and further, the air flow is prevented from vertically passing through the filter screen plate, thereby maintaining the filtering capacity of the filter screen plate and having good air purification effect.

Description

Indoor air ventilation purification and humidification device for building
Technical Field
The invention belongs to the technical field related to air ventilation, and particularly relates to a ventilation purification and humidification device for indoor air of a building.
Background
In autumn and winter, people move indoors for a long time due to outdoor cold in winter, but the general indoor environment is sealed in winter, air cannot circulate, people can breathe unsmoothly, and body harm is caused indirectly. Ventilation is a technique that uses natural or mechanical methods to allow air to pass through, without obstruction, a room or a sealed environment, so as to create a suitable air environment for sanitation, safety, etc. The normal ventilation can improve the indoor air quality and is beneficial to health. The air purifier is a novel household appliance, has the functions of regulating temperature, automatically detecting smoke, filtering dust, eliminating peculiar smell and harmful gas, performing double sterilization, releasing negative ions and the like, and can effectively improve the air cleanliness. The indoor use of air purifiers is a very effective way to improve indoor air quality and create healthy and comfortable office and residential environments. Air purifier is with the fan with air suction machine, through built-in filter screen filtered air, mainly can play filter dust, peculiar smell, effect such as disinfection.
The prior art of the indoor air ventilation purification and humidification device for the building has the following problems:
1. during the operation of the equipment, due to the action of wind power, dust in airflow and dust originally attached to the filter screen plate penetrate through the filter screen plate, so that the filtering capacity of the filter screen plate is influenced, and the air purification effect is reduced;
2. the contact time of the coil pipe in the heating device and the air flow is short, and the contact area is small, so that the surface temperature of the coil pipe cannot be fully absorbed, and the temperature conversion efficiency is reduced;
3. when the equipment is closed, dust in the air easily enters the air pipe, so that the effective purifying capacity of the filtering device cannot be maintained, frequent replacement and cleaning are needed, and the use is inconvenient.
Disclosure of Invention
The invention aims to provide a ventilation, purification and humidification device for indoor air of a building, which aims to solve the problems that dust passes through a filter screen plate, the air temperature conversion efficiency is low and frequent replacement and cleaning are required in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a ventilation purification and humidification device for indoor air of a building comprises an air purification air pipe, wherein one end of the air purification air pipe is provided with an air inlet, the other end of the air purification air pipe is provided with an air outlet, the air purification air pipe comprises a purification device, a heating device, a ventilation device and a humidification device, and the purification device, the heating device, the ventilation device and the humidification device are sequentially communicated from right to left;
the purifying device comprises a first air guide pipe, a filter screen plate is fixedly installed in the inner wall of the left end of the first air guide pipe, a support rod is fixedly connected to the filter screen plate, a dust exhaust assembly is hinged to the right end of the support rod, the dust exhaust assembly comprises a fixed disc, a sealing rubber mat and adsorption soft cotton, the fixed disc and the adsorption soft cotton are fixedly bonded to the outer walls of two sides of the sealing rubber mat, the fixed disc is hinged to the support rod, and a torsion spring is wound at the hinged position of the fixed disc and the support rod;
the heating device comprises a second air guide pipe, a spiral air duct is arranged on the inner wall of the second air guide pipe, and a spiral coil is fixed in the second air guide pipe.
Preferably, the ventilation device comprises a third air guide pipe, and an induced draft fan is fixedly installed in the third air guide pipe.
Preferably, the humidifying device comprises a fourth air guide pipe, an air guide partition plate is fixedly connected to the inner wall of the fourth air guide pipe, and a humidifying spray head is arranged on the lower surface of the air guide partition plate.
Preferably, it includes fixed ring frame, center disk and four connecting rods to cross filter plate, four the connecting rod is cross distribution and with fixed ring frame and center disk fixed connection, four it has the filter core cotton to sew up between the connecting rod, center disk and bracing piece coaxial coupling.
Preferably, the fixed disc and the sealing rubber pad are in a symmetrical semicircular structure.
Preferably, the adsorption soft cotton is of a hemispherical structure protruding outwards.
Preferably, the coil pipe is matched with the shape of the spiral air duct.
Compared with the prior art of the indoor air ventilation, purification and humidification device for the building, the invention provides the indoor air ventilation, purification and humidification device for the building, which has the following beneficial effects:
1. according to the invention, the dust exhaust assembly is arranged on the filter screen plate, when the dust exhaust assembly is under the action of wind force, the dust exhaust assembly can slightly rotate inwards to gradually introduce indoor air into the first air guide pipe, and the adsorbed soft cotton is used for primarily purifying and filtering impurities with larger particles in the air, so that the dust is prevented from being directly discharged to the filter screen plate, the air inlet is semi-blocked by the sealing rubber mat on the dust exhaust assembly, the air can penetrate through a gap between the periphery of the sealing rubber mat and the first air guide pipe, the impurities in the air are blown to the filter screen plate along the inner wall of the first air guide pipe, and the air flow is prevented from vertically penetrating through the filter screen plate, so that the filtering capacity of the filter screen plate is maintained, and a good purifying effect is achieved on the air;
2. according to the invention, the spiral air duct is arranged on the inner wall of the second air guide pipe, the coil pipe in the second air guide pipe is designed to be matched with the shape of the spiral air duct, when air in the first air guide pipe enters the second air guide pipe, the air can be rotationally guided out along the spiral air duct of the second air guide pipe, in the air guiding process, the air can be fully contacted with the coil pipe in the spiral air duct and can keep longer contact time, so that the surface temperature of the coil pipe is fully absorbed to achieve the effect of improving the air temperature, the conducted air can be heated up, the indoor temperature is improved, and meanwhile, a certain sterilization effect is achieved;
3. when the equipment stops running, the dust exhaust component is overturned outwards under the action of the torsion force of the torsion spring and is attached to the inner wall of the right end of the first air guide pipe, so that an air inlet at the right end of the first air guide pipe can be sealed and blocked, dust in air is prevented from entering when the equipment is closed, and the effective purification capacity of the filter device is further maintained.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:
fig. 1 is a schematic structural view of a ventilation purification and humidification device for indoor air of a building, according to the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1 according to the present invention;
FIG. 4 is a schematic structural diagram of a filter screen and a dust exhaust assembly according to the present invention;
in the figure: 1. an air purification air duct; 2. an induced draft fan; 3. an air guide clapboard; 4. an air outlet; 5. a humidifying spray head; 6. a fourth air guide pipe; 7. a third air guide pipe; 8. a second air guide pipe; 9. a filter screen plate; 10. a support bar; 11. an air inlet; 12. a first air guide pipe; 13. a spiral duct; 14. a coil pipe; 15. a torsion spring; 16. fixing the disc; 17. sealing the rubber gasket; 18. adsorbing soft cotton; 19. cotton cloth of a filter element; 20. fixing the ring frame; 21. a connecting rod; 22. a central disk.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a ventilation purification and humidification device for indoor air of a building comprises an air purification air pipe 1, one end of the air purification air pipe 1 is provided with an air inlet 11, the other end of the air purification air pipe 1 is provided with an air outlet 4, the air purification air pipe 1 comprises a purification device, a heating device, a ventilation device and a humidification device, the purification device, the heating device, the ventilation device and the humidification device are sequentially communicated from right to left, indoor air enters from the air inlet 11 under the extraction of the ventilation device and is filtered by the purification device to remove impurities in the air, then the indoor air is heated and disinfected by the heating device and then is sent into the humidification device, water spraying and humidification are carried out by the humidification device, and the moistened clean air is discharged into a room through the air outlet 4 to achieve the effect of circular purification;
wherein the purifying device comprises a first air guide pipe 12, a filter screen plate 9 is fixedly arranged in the inner wall of the left end of the first air guide pipe 12, a support rod 10 is fixedly connected on the filter screen plate 9, a dust exhaust component is hinged at the right end of the support rod 10, the dust exhaust component comprises a fixed disk 16, a sealing rubber mat 17 and an absorbing soft cotton 18, the fixed disk 16 and the absorbing soft cotton 18 are fixedly bonded on the outer walls of two sides of the sealing rubber mat 17, the fixed disk 16 is hinged with the support rod 10, and a torsional spring 15 is wound at the hinged part, in a natural state, the dust exhaust component is overturned outwards and attached to the inner wall of the right end of the first air guide pipe 12 under the action of the torsion force of the torsion spring 15, therefore, the air inlet 11 at the right end of the first air guide pipe 12 can be blocked, so that dust in the air can be prevented from entering when the equipment is closed, and when the equipment is opened, due to the action of suction, the dust exhaust assembly is slightly turned inwards, so that indoor air can enter from the air inlet 11;
in addition, the heating device comprises a second air guide pipe 8, a spiral air channel 13 is arranged on the inner wall of the second air guide pipe 8, a spiral coil 14 is fixed in the second air guide pipe 8, hot water with high temperature can be injected into the coil 14 to heat conducted air, the indoor temperature is increased, a certain sterilization effect is achieved, cold water with low temperature can be injected into the coil 14 in hot weather, the temperature of the conducted air is reduced, and the purpose of reducing the indoor temperature is achieved.
In order to realize the circulation of air, a ventilation device is arranged in the air purification air pipe 1 and comprises a third air guide pipe 7, an induced draft fan 2 is fixedly arranged in the third air guide pipe 7, the third air guide pipe 7 is hermetically connected with a second air guide pipe 8, and indoor air is introduced into the air purification air pipe 1 through the wind power action of the induced draft fan 2 to be filtered, purified, disinfected, heated and humidified.
In order to improve the air humidity, a humidifying device is arranged in the air purification air pipe 1 and comprises an air guide pipe four 6, an air guide partition plate 3 is fixedly connected to the inner wall of the air guide pipe four 6, a humidifying spray nozzle 5 is arranged on the lower surface of the air guide partition plate 3, and the air guide partition plate 3 divides the air guide partition plate into a plurality of air guide cavities, so that air guided out of an air guide pipe three 7 can be discharged outwards along the air guide cavities, and in the process of passing through the air guide cavities, the humidifying spray nozzle 5 on the air guide partition plate 3 is used for carrying out atomization treatment, so that the air keeps certain humidity.
In order to improve the structural strength and better fix the dust exhaust component, the structural form of the filter screen plate 9 is improved, the filter screen plate 9 comprises a fixed ring frame 20, a central disc 22 and four connecting rods 21, the four connecting rods 21 are distributed in a cross shape and fixedly connect the fixed ring frame 20 and the central disc 22, filter element cotton cloth 19 is sewed among the four connecting rods 21, the filter screen plate 9 is divided into four purification areas by four connecting rods 21, each area is provided with a filter element cotton cloth 19 as a filter unit, the air passing through is filtered and purified, thereby improving the air quality and keeping the indoor air pure, the central disc 22 is coaxially connected with the support rod 10, filter screen plate 9 and arrange the dirt subassembly through bracing piece 10 and be connected fixedly, carry out the first time by arranging the dirt subassembly and block impurity in with the air, avoid wind-force effect to pass filter screen plate 9, further improve the filter capacity.
In order to prevent impurities such as dust from penetrating through the filter screen plate 9 under the action of wind power, a layer of sealing rubber pad 17 is adhered to a fixed disc 16 of the dust exhaust assembly, the fixed disc 16 and the sealing rubber pad 17 are in a symmetrical semicircular structure, an air inlet 11 is semi-sealed through the sealing rubber pad 17, so that air can penetrate through a gap between the periphery of the sealing rubber pad 17 and an air guide pipe I12, impurities in the air are blown to the filter screen plate 9 along the inner wall of the air guide pipe I12, the air flow is prevented from perpendicularly penetrating through the filter screen plate 9, and the filtering capacity of the filter screen plate 9 is reduced.
In order to better attach the adsorption soft cotton 18 to the inner wall of the air guide pipe I12, the adsorption soft cotton 18 is designed to be of an outwards convex hemispherical structure, the fixed disk 16 turns outwards to enable the adsorption soft cotton 18 to be attached to the inner wall of the air guide pipe I12 in a side-turning mode under the effect of no wind force, dust in air is prevented from entering the air guide pipe I12, when the fixed disk 16 slightly rotates inwards under the effect of wind force, indoor air is gradually introduced into the air guide pipe I12, impurities with large particles in the air are preliminarily purified and filtered through the adsorption soft cotton 18, and therefore the dust is prevented from being directly discharged to the filter screen plate 9.
In order to improve the heat conversion efficiency of air, the coil 14 in the air guide pipe II 8 is designed to be matched with the shape of the spiral air duct 13, when the air in the air guide pipe I12 enters the air guide pipe II 8, the air can be rotationally led out along the spiral air duct 13 of the air guide pipe II 8, and in the air guide process, the air can be in full contact with the coil 14 in the spiral air duct 13 and can be kept for a long contact time, so that the surface temperature of the coil 14 is fully absorbed, and the effect of improving the air temperature is achieved.
The working principle and the using process of the invention are as follows: when the device runs, an induced draft fan 2 in a ventilation device starts to work, indoor air enters a first air guide pipe 12 from an air inlet 11 under the suction of the ventilation device through the wind action of the induced draft fan 2, a fixed disk 16 slightly rotates inwards under the action of the wind force, impurities with larger particles in the air are primarily purified and filtered through adsorbing soft cotton 18, the air can penetrate through a gap between the periphery of a sealing rubber mat 17 and the first air guide pipe 12, the impurities in the air are blown to a filter screen plate 9 along the inner wall of the first air guide pipe 12, the air is secondarily filtered by the filter screen plate 9, the purification effect of the air is improved, the air enters a second air guide pipe 8 after being purified, the air is rotatably guided to a fourth air guide pipe 6 along a spiral air duct 13 of the second air guide pipe 8, and is guided to the third air guide pipe 6 due to the fact that a plurality of air guide cavities are formed by the division of the fourth air guide pipe 6 through an air guide partition plate 3, the air guide cavity guided out of the third air guide pipe 7 can be outwards discharged along the air guide cavities, in the process of passing through the air guide cavity, the humidifying spray heads 5 on the air guide partition plates 3 carry out atomization treatment, so that the air keeps certain humidity, and the wet clean air is discharged into a room through the air outlet 4 to achieve the effect of circular purification.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a building indoor air ventilation purifies and humidification device, includes air purification tuber pipe (1), its characterized in that: one end of the air purification air pipe (1) is provided with an air inlet (11), the other end of the air purification air pipe (1) is provided with an air outlet (4), the air purification air pipe (1) comprises a purification device, a heating device, a ventilation device and a humidification device, and the purification device, the heating device, the ventilation device and the humidification device are sequentially communicated from right to left;
the purifying device comprises a first air guide pipe (12), a filter screen plate (9) is fixedly installed in the inner wall of the left end of the first air guide pipe (12), a support rod (10) is fixedly connected to the filter screen plate (9), a dust exhaust assembly is hinged to the right end of the support rod (10), the dust exhaust assembly comprises a fixed disc (16), a sealing rubber mat (17) and adsorbing soft cotton (18), the fixed disc (16) and the adsorbing soft cotton (18) are fixedly bonded to the outer walls of the two sides of the sealing rubber mat (17), the fixed disc (16) is hinged to the support rod (10), and a torsion spring (15) is wound at the hinged position;
the heating device comprises a second air guide pipe (8), a spiral air duct (13) is arranged on the inner wall of the second air guide pipe (8), and a spiral coil (14) is fixed in the second air guide pipe (8).
2. The ventilation, purification and humidification device for the indoor air of the building as claimed in claim 1, wherein: the ventilation device comprises a third air guide pipe (7), and an induced draft fan (2) is fixedly installed in the third air guide pipe (7).
3. The ventilation, purification and humidification device for the indoor air of the building as claimed in claim 1, wherein: the humidifying device comprises a fourth air guide pipe (6), an air guide partition plate (3) is fixedly connected to the inner wall of the fourth air guide pipe (6), and a humidifying spray head (5) is installed on the lower surface of the air guide partition plate (3).
4. The ventilation, purification and humidification device for the indoor air of the building as claimed in claim 1, wherein: filter screen board (9) including retaining ring frame (20), center disk (22) and four connecting rod (21), four connecting rod (21) are cross distribution and with retaining ring frame (20) and center disk (22) fixed connection, four it has filter core cotton (19) to have sewed up between connecting rod (21), center disk (22) and bracing piece (10) coaxial coupling.
5. The ventilation, purification and humidification device for the indoor air of the building as claimed in claim 1, wherein: the fixed disc (16) and the sealing rubber pad (17) are in symmetrical semicircular structures.
6. The ventilation, purification and humidification device for the indoor air of the building as claimed in claim 1, wherein: the adsorption soft cotton (18) is of a hemispherical structure protruding outwards.
7. The ventilation, purification and humidification device for the indoor air of the building as claimed in claim 1, wherein: the coil (14) is matched with the spiral air duct (13) in shape.
CN202110028668.7A 2021-01-11 2021-01-11 Indoor air ventilation purification and humidification device for building Active CN112833483B (en)

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CN113357718A (en) * 2021-06-11 2021-09-07 深圳市朗奥洁净科技股份有限公司 Air purification device for clean room
CN113654137A (en) * 2021-08-03 2021-11-16 西臣仕(江苏)空调冷冻设备有限公司 Filter screen frame side-drawing type air conditioning unit
CN113803824B (en) * 2021-10-21 2022-12-30 桃源县漆河镇中学 Indoor ventilation equipment of controllable air volume
CN114646112B (en) * 2022-05-19 2022-07-29 江苏莱克科技有限公司 Filter hole regulation type building ventilation system
CN115307247A (en) * 2022-10-12 2022-11-08 南通九港通机械科技有限公司 Self-ventilation equipment with purification function for high-rise building

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CN101387429A (en) * 2007-09-13 2009-03-18 海尔集团公司 Air conditioner with air cleaning device
JP2017089951A (en) * 2015-11-06 2017-05-25 シャープ株式会社 Blower device
CN207073914U (en) * 2017-08-09 2018-03-06 刘永利 A kind of ventilation system and light breeze system
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