CN112922514A - Self-cleaning fire-fighting self-rescue safety house air inlet window - Google Patents

Self-cleaning fire-fighting self-rescue safety house air inlet window Download PDF

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Publication number
CN112922514A
CN112922514A CN202110325566.1A CN202110325566A CN112922514A CN 112922514 A CN112922514 A CN 112922514A CN 202110325566 A CN202110325566 A CN 202110325566A CN 112922514 A CN112922514 A CN 112922514A
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CN
China
Prior art keywords
self
filter screen
type filter
bag
air inlet
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Granted
Application number
CN202110325566.1A
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Chinese (zh)
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CN112922514B (en
Inventor
任斌
李霞
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Lai'an Yuqiang Fire Technology Co ltd
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Lai'an Yuqiang Fire Technology Co ltd
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Priority to CN202110325566.1A priority Critical patent/CN112922514B/en
Publication of CN112922514A publication Critical patent/CN112922514A/en
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    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00Special arrangements or measures in connection with doors or windows
    • E06B7/02Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
    • 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
    • F24F7/00Ventilation

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Catalysts (AREA)

Abstract

The invention discloses a self-cleaning fire-fighting self-rescue safety house air inlet window, which relates to the field of fire-fighting safety houses and comprises a pipeline connecting piece, wherein a mounting bracket is fixed on the inner side of the front end of the pipeline connecting piece, a plurality of partition plates are uniformly arranged in the mounting bracket, a bag type filter screen is arranged between every two partition plates, photocatalyst cleaning agents which are symmetrical up and down are arranged at the inlet of each bag type filter screen, a high-efficiency filter screen is arranged at the rear end of the pipeline connecting piece and behind the bag type filter screen, and sealing devices are arranged on two sides of the opening part of the bag type filter screen; the wind wheel and the brush can sweep dust adsorbed on the photocatalyst attachment plate, and the dust is collected into the bag type filter screen by flowing air flow, so that the photocatalyst attachment plate can be kept continuously and effectively.

Description

Self-cleaning fire-fighting self-rescue safety house air inlet window
Technical Field
The invention relates to the field of fire safety houses, in particular to an air inlet window of a self-cleaning fire self-rescue safety house.
Background
At present, in order to alleviate the housing problems of urban residents, the heights of residential buildings are continuously increased, although high-rise buildings can meet the housing requirements of urban residents, simultaneously, people trapped in the buildings during emergent public events such as fire disasters can be safely evacuated in time, fire rescue work is very difficult, once the fire disasters occur, the fire can rapidly spread from bottom to top to cut off the evacuation route of residents on the upper layer, and high-temperature, asphyxiant gas, irritant gas, smoke dust and the like generated by the fire can rapidly cause death, so that the requirements of setting a safety house in the construction safety standard of the high-rise buildings are met, namely, one floor, ceiling, stair and the like which are made of special flame retardant materials have strong fire resistance and fire resistance, and the safety house is also provided with special supercharging equipment to press air out of the safety house to prevent dense smoke and intense fire from invading, in the process, air is required to be fed into the room through the air inlet window, the air inlet window sucks air from the periphery of a building in the air inlet process, the air is often mixed with smoke dust, harmful gases and the like generated in a fire disaster, and the whole air inlet window is easily blocked in the air inlet process.
Disclosure of Invention
The invention aims to provide an air inlet window of a self-cleaning fire-fighting self-rescue safety house, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a self-cleaning fire-fighting self-rescue safety house air inlet window, includes the pipe connection spare, the front end inboard of pipe connection spare is fixed with the installing support, even in the installing support sets up a plurality of division board, the side of division board is equipped with the ultraviolet lamp, per two be equipped with the bag filter screen between the division board, every the entrance of bag filter screen all be equipped with the photocatalyst sanitizer of longitudinal symmetry, the photocatalyst sanitizer is used for cleaning the harmful air that gets into in the bag filter screen, the rear end of pipe connection spare and the rear that is located the bag filter screen are equipped with high efficiency filter screen, the oral area both sides of bag filter screen are equipped with closing device, closing device's upper and lower both ends are rotated and are installed in the installing support, closing device is used for sealing the oral area of bag filter screen when the bag filter screen is out of.
Preferably, the pipe connecting piece includes preceding connecting tube, sealed the pad and back connecting tube, preceding connecting tube and back connecting tube are middle through sealed sealing connection that fills up, the installing support is installed in the connecting tube in the front, high-efficient filter screen is installed in the connecting tube in the back.
Preferably, four corners of the mouth of the bag filter are respectively provided with a connecting rod groove.
Preferably, the photocatalyst cleaning agent comprises a photocatalyst attachment plate, a mounting seat, a wind wheel and a connecting rod device, the photocatalyst attachment plate is fixed on the mounting seat, the mounting seat is fixed on the outer frame, the wind wheel is located at the inner side of the photocatalyst attachment plate and is used for cleaning dust on the photocatalyst attachment plate, a plurality of blades which are uniformly distributed are arranged on the wind wheel, a hairbrush is arranged at the top end of each blade, and the connecting rod device is located in a connecting rod groove and is used for stirring the hairbrush to pull down dust on the hairbrush.
Preferably, the connecting rod device comprises a first connecting seat, a connecting rod, a fork-shaped shifting piece and a second connecting seat, the first connecting seat is fixed on the inner side of the sealing device, the front end of the connecting rod is hinged in the first connecting seat, the rear end of the connecting rod is hinged at one end of the fork-shaped shifting piece, the other end of the fork-shaped shifting piece is hinged in the second connecting seat, and the second connecting seat is fixed in the mounting support.
Preferably, closing device includes that it seals board and light-duty torsional spring to set up in every bag filter screen bilateral symmetry, the one side of sealing the board is fixed in the pivot, the head and the tail both ends of pivot are rotated and are installed in the installing support, the top of sealing the board is equipped with the torsional spring clamp plate, light-duty torsional spring cup joints the top in the pivot.
Preferably, the top of installing support and the mounting hole that light-duty torsional spring position corresponds, the side of mounting hole is equipped with the torsional spring fixed slot, the back that is located every sealing plate on the installing support all is equipped with spacing boss.
Preferably, one torsion spring foot of the light torsion spring is fixed in the torsion spring fixing groove, and the other torsion spring foot of the light torsion spring is located behind the torsion spring pressing plate.
Preferably, the bag filter screen is made of nylon, and the efficient filter screen is made of melt-blown polyester non-woven fabric.
Preferably, the sealing plate is made of plastic materials, the rotating shaft is made of aluminum, and the sealing plate and the rotating shaft are formed by insert injection molding.
Compared with the prior art, the invention has the beneficial effects that:
1. the photocatalyst cleaning agent can decompose harmful gas in air fed into a room under the catalysis of the ultraviolet lamp, so that personnel in a safe room are prevented from being injured by the harmful gas;
2. according to the invention, the wind wheel and the hairbrush can be used for sweeping off dust, smoke and the like adsorbed on the photocatalyst attachment plate, and then the dust, smoke and the like are collected into the bag-type filter net by flowing air flow, so that the cleanness of the photocatalyst attachment plate can be kept for a long time, and the influence of the photocatalyst attachment plate covered by dust on the function of the photocatalyst attachment plate is avoided;
3. according to the invention, the fork-shaped stirring piece can be pushed out after the sealing plate is opened by airflow through the connecting rod arranged on the sealing plate, and dust adhered to the brush is cleaned by beating the brush on the fork-shaped stirring piece, so that the photocatalyst attachment plate is prevented from being polluted again by the dust on the brush;
4. according to the bag type filter screen, the sealing plate can be pushed back by the light torsion spring when the safety house is not used, the opening part of the bag type filter screen can be extruded and sealed by the symmetrically arranged sealing plate, the bag type filter screen is prevented from being blocked by dust for a long time, and the maintenance cost of equipment is reduced.
Drawings
FIG. 1 is a schematic view of a half-section structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a schematic view of the internal structure of the present invention;
FIG. 5 is a schematic view of the internal structure of the present invention;
FIG. 6 is a schematic view of the internal structure of the present invention;
FIG. 7 is a schematic view of the structure at B in FIG. 5;
FIG. 8 is a schematic view of the structure at C in FIG. 6;
fig. 9 is a schematic structural diagram at E in fig. 2.
In the figure: 1-a pipe connection; 11-front connecting pipe; 12-a seal pad; 13-rear connecting pipeline;
2, mounting a bracket; 21-a partition plate; 22-mounting holes; 23-torsion spring fixing groove; 24-a limit boss;
3-an ultraviolet lamp;
4-bag type filter screen; 41-connecting rod slot;
5-a photocatalyst cleaner; 51-a photocatalyst-adhered plate; 52-a mounting seat; 53-wind wheel;
54-a linkage arrangement; 541-a first connecting seat; 542-connecting rod; 543-a fork-shaped toggle piece; 544-a second connection socket;
55-blade; 56-brush;
6-high-efficiency filter screen;
7-sealing device; 71-sealing plate; 72-light torsion spring; 73-a rotating shaft; 74-torsion spring pressure plate.
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 to 9, the present invention provides a technical solution: an air inlet window of a self-cleaning fire-fighting self-rescue safety house comprises a pipeline connecting piece 1, a mounting bracket 2 is fixed on the inner side of the front end of the pipeline connecting piece 1, a plurality of partition plates 21 are uniformly arranged in the mounting bracket 2, ultraviolet lamps 3 are arranged on the side surfaces of the partition plates 21, bag-type filter screens 4 are arranged between every two partition plates 21, photocatalyst cleaning agents 5 which are vertically symmetrical are arranged at the inlet of each bag-type filter screen 4, the photocatalyst cleaning agent 5 is used for cleaning harmful air entering the bag type filter screen 4, a high-efficiency filter screen 6 is arranged at the rear end of the pipeline connecting piece 1 and behind the bag type filter screen 4, two sides of the opening part of the bag type filter screen 4 are provided with sealing devices 7, the upper end and the lower end of each sealing device 7 are rotatably arranged in the mounting bracket 2, the sealing device 7 is used for sealing the opening of the bag-type filter screen 4 when the bag-type filter screen 4 does not work.
In this embodiment, pipeline connecting piece 1 is including preceding connecting tube 11, sealed 12 and back connecting tube 13 of filling up, through sealed 12 sealing connection through filling up in the middle of preceding connecting tube 11 and back connecting tube 13, installing support 2 installs in preceding connecting tube 11, high efficiency filter screen 6 installs in back connecting tube 13, through the connection of sealed 12 of filling up, is sealed state before the assurance between connecting tube 11 and the back connecting tube 13, makes the air can not get into in the place outside the preceding connecting tube 11, and the air of entering also can carry out whole disinfecting, and the filtration of rethread high efficiency filter screen 6 guarantees to get into indoor air aseptic basically.
In this embodiment, four corners of the mouth of the bag filter 4 are respectively provided with a connecting rod groove 41.
In this embodiment, the photocatalyst cleaning agent 5 includes a photocatalyst attachment plate 51, a mounting seat 52, a wind wheel 53 and a link device 54, the photocatalyst attachment plate 51 is fixed on the mounting seat 52, the mounting seat 52 is fixed on the outer frame 2, the wind wheel 52 is located inside the photocatalyst attachment plate 51 and is used for cleaning dust on the photocatalyst attachment plate 51, a plurality of blades 55 are uniformly distributed on the wind wheel 52, a brush 56 is disposed at the top end of the blade 55, the link device 54 is located in the link groove 41 and is used for stirring the brush 56 to pull down dust on the brush 56, the photocatalyst on the photocatalyst attachment plate 51 is mainly titanium dioxide, harmful gas in air is decomposed by the action of the photocatalyst on the photocatalyst attachment plate 51, and then the dust adhered on the photocatalyst attachment plate 51 is cleaned by the cleaning of the brush 56 on the wind wheel 53 driven by the airflow, and is brought into the bag type filter screen 4 by the air flow for uniform collection.
In this embodiment, the link device 54 includes a first connection seat 541, a link 542, a fork-shaped toggle member 543, and a second connection seat 544, the first connection seat 541 is fixed inside the sealing device 7, the front end of the link 542 is hinged in the first connection seat 541, the rear end of the link 542 is hinged in one end of the fork-shaped toggle member 543, the other end of the fork-shaped toggle member 543 is hinged in the second connection seat 544, the second connection seat 544 is fixed in the mounting bracket 2, when the whole device is not operated, the sealing plate 71 is closed, the link 542 and the fork-shaped toggle member 543 are squeezed and folded, and the fork-shaped toggle member 543 does not cross behind the wind wheel 53, when the whole device is operated, the sealing plate 71 is slowly opened by the airflow, the rear of the wind wheel 53 is not obstructed by the fork-shaped toggle member 543 and starts to clean the brush 56 after the wind wheel 53 is completely opened, the dust on the brush 56 is shaken to prevent the brush 56 from dirtying the photocatalyst attachment plate 51 again.
In this embodiment, closing device 7 includes that 4 bilateral symmetry at every bag filter screen set up seal board 71 and light-duty torsional spring 72, one side of sealing board 71 is fixed on pivot 73, the end to end both ends of pivot 73 are rotated and are installed in installing support 2, the top of sealing board 71 is equipped with torsional spring clamp plate 74, light-duty torsional spring 72 cup joints on the top of pivot 73, and through opening and shutting of sealing board 71, the opening and shutting of the oral area that can control bag filter screen 4 effectively prevents that the dust in bag filter screen 4 from scattering around.
In this embodiment, the mounting hole 22 that the top and the light-duty torsional spring 72 position of installing support 2 correspond, the side of mounting hole 22 is equipped with torsional spring fixed slot 23, the back that lies in every sealing plate 71 on the installing support 2 all is equipped with spacing boss 24, can be with the fixed position of the sealing plate 71 that is blown open by the air current through spacing boss 24, seals the plate 71 again with the position restriction of bag filter screen 4 in the middle of the sealing plate 71 of both sides, avoids bag filter screen 4 to swing along with the air current.
In the present embodiment, one leg of the light torsion spring 72 is fixed in the torsion spring fixing groove 23, and the other leg of the light torsion spring 72 is located behind the torsion spring pressing plate 74.
In this embodiment, bag filter 4's material is nylon, high-efficient filter 6's material is for melting and spouts dacron non-woven fabrics.
In this embodiment, the sealing plate 71 is made of plastic, the rotating shaft 73 is made of aluminum, and the two are insert injection molded.
The working principle is as follows: when the safety house is closed for a long time and is not used, the position of the sealing plate 71 is parallel to the partition plate 11 and seals the opening of the bag type filter screen 4, when a fire breaks out and the safety house is started, the sealing plates 71 symmetrically arranged at two sides of the bag type filter screen 4 are blown by air flow to compress the light torsion spring 72, the sealing plates 71 rotate towards two sides around the rotating shaft 73, the sealing plates are blocked and do not rotate continuously when rotating to the position of the limit boss 24, meanwhile, in the opening process of the sealing plates 71, the connecting rods 542 are pulled to be pulled open, the fork-shaped poking piece 543 is driven to be opened in the pulling process of the connecting rods 542, the fork-shaped poking piece 543 transversely moves behind the wind wheel 53, harmful gas and bacteria and the like in the air are killed under the combined action of the ultraviolet lamp 3 and the photocatalyst attachment plate 51, and the bag type cleaning action of the wind wheel 53 and the hair brush 56 for cleaning dust and the like adsorbed on the photocatalyst attachment plate 51 is, after the use is finished and the personnel are rescued, the light torsion spring 72 releases the elasticity to push the torsion spring pressing plate 74 to drive the sealing plate 71 to return to the original position, the sealing plates 71 on the two sides of the bag type filter screen 4 return to tightly seal the opening of the bag type filter screen 4, the bag type filter screen 4 is prevented from being blocked by dust due to long-time non-use, the connecting rod 542 is compressed and the fork-shaped stirring piece 543 is pulled inwards while the sealing plate 71 is closed, the fork-shaped stirring piece 543 does not cross the rear of the wind wheel 53 any more, and the acceleration process of the wind wheel 53 is not hindered in the subsequent starting process.
Based on the above, the photocatalyst cleaning agent provided by the invention can decompose harmful gas in air fed into a room under the catalysis of the ultraviolet lamp, so that personnel in a safe room are prevented from being injured by the harmful gas; according to the invention, the wind wheel and the hairbrush can be used for sweeping off dust, smoke and the like adsorbed on the photocatalyst attachment plate, and then the dust, smoke and the like are collected into the bag-type filter net by flowing air flow, so that the cleanness of the photocatalyst attachment plate can be kept for a long time, and the influence of the photocatalyst attachment plate covered by dust on the function of the photocatalyst attachment plate is avoided; according to the invention, the fork-shaped stirring piece can be pushed out after the sealing plate is opened by airflow through the connecting rod arranged on the sealing plate, and dust adhered to the brush is cleaned by beating the brush on the fork-shaped stirring piece, so that the photocatalyst attachment plate is prevented from being polluted again by the dust on the brush; according to the bag type filter screen, the sealing plate can be pushed back by the light torsion spring when the safety house is not used, the opening part of the bag type filter screen can be extruded and sealed by the symmetrically arranged sealing plate, the bag type filter screen is prevented from being blocked by dust for a long time, and the maintenance cost of equipment is reduced.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.

Claims (10)

1. The utility model provides a self-cleaning fire control safety house of saving oneself window that admits air which characterized in that: comprises a pipeline connecting piece (1), a mounting bracket (2) is fixed on the inner side of the front end of the pipeline connecting piece (1), a plurality of partition plates (21) are uniformly arranged in the mounting bracket (2), ultraviolet lamps (3) are arranged on the side surfaces of the partition plates (21), bag-type filter screens (4) are arranged between every two partition plates (21), photocatalyst cleaning agents (5) which are vertically symmetrical are arranged at the inlet of each bag-type filter screen (4), the photocatalyst cleaning agents (5) are used for cleaning harmful air entering the bag-type filter screens (4), efficient filter screens (6) are arranged at the rear ends of the pipeline connecting piece (1) and behind the bag-type filter screens (4), sealing devices (7) are arranged on the two sides of the opening parts of the bag-type filter screens (4), and the upper ends and the lower ends of the sealing devices (7) are rotatably arranged in the mounting bracket (2), the sealing device (7) is used for sealing the opening part of the bag type filter screen (4) when the bag type filter screen (4) does not work.
2. The self-cleaning fire-fighting self-rescue safety house air inlet window as claimed in claim 1, characterized in that: pipeline connecting piece (1) is including preceding connecting tube (11), sealed pad (12) and back connecting tube (13), preceding connecting tube (11) and back connecting tube (13) middle through sealed pad (12) sealing connection, installing support (2) are installed in preceding connecting tube (11), high-efficient filter screen (6) are installed in back connecting tube (13).
3. The self-cleaning fire-fighting self-rescue safety house air inlet window as claimed in claim 1, characterized in that: four corners of the opening part of the bag type filter screen (4) are respectively provided with a connecting rod groove (41).
4. The self-cleaning fire-fighting self-rescue safety house air inlet window as claimed in claim 3, characterized in that: photocatalyst cleanser (5) include photocatalyst attachment plate (51), mount pad (52), wind wheel (53) and link means (54), photocatalyst attachment plate (51) are fixed on mount pad (52), mount pad (52) are fixed on frame (2), wind wheel (52) are located the inboard of photocatalyst attachment plate (51) and are used for the dust on the clean photocatalyst attachment plate (51), be equipped with a plurality of blades (55) of evenly distributed on wind wheel (52), the top of blade (55) is equipped with brush (56), link means (54) are located connecting rod groove (41) and are used for stirring brush (56) and pull down the dust on brush (56).
5. The self-cleaning fire-fighting self-rescue safety house air inlet window as claimed in claim 4, wherein: the connecting rod device (54) comprises a first connecting seat (541), a connecting rod (542), a fork-shaped stirring piece (543) and a second connecting seat (544), the first connecting seat (541) is fixed on the inner side of the sealing device (7), the front end of the connecting rod (542) is hinged in the first connecting seat (541), the rear end of the connecting rod (542) is hinged at one end of the fork-shaped stirring piece (543), the other end of the fork-shaped stirring piece (543) is hinged in the second connecting seat (544), and the second connecting seat (544) is fixed in the mounting bracket (2).
6. The self-cleaning fire-fighting self-rescue safety house air inlet window as claimed in claim 1, characterized in that: closing device (7) include and set up sealing plate (71) and light-duty torsional spring (72) at every bag filter screen (4) bilateral symmetry, the one side of sealing plate (71) is fixed on pivot (73), the end to end both ends of pivot (73) are rotated and are installed in installing support (2), the top of sealing plate (71) is equipped with torsional spring clamp plate (74), light-duty torsional spring (72) cup joint the top in pivot (73).
7. The self-cleaning fire-fighting self-rescue safety house air inlet window as claimed in claim 6, wherein: the utility model discloses a sealing plate, including installing support (2), mounting hole (22) that the top and light-duty torsional spring (72) position of installing support (2) correspond, the side of mounting hole (22) is equipped with torsional spring fixed slot (23), the back that lies in every sealing plate (71) on installing support (2) all is equipped with spacing boss (24).
8. The self-cleaning fire-fighting self-rescue safety house air inlet window as claimed in claim 6, wherein: one torsion spring foot of the light torsion spring (72) is fixed in the torsion spring fixing groove (23), and the other torsion spring foot of the light torsion spring (72) is located behind the torsion spring pressing plate (74).
9. The self-cleaning fire-fighting self-rescue safety house air inlet window as claimed in claim 1, characterized in that: the bag type filter screen (4) is made of nylon, and the high-efficiency filter screen (6) is made of melt-blown polyester non-woven fabric.
10. The self-cleaning fire-fighting self-rescue safety house air inlet window as claimed in claim 6, wherein: the sealing plate (71) is made of plastic materials, the rotating shaft (73) is made of aluminum, and the rotating shaft are formed by insert injection molding.
CN202110325566.1A 2021-03-26 2021-03-26 Self-cleaning fire-fighting self-rescue safety house air inlet window Active CN112922514B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110325566.1A CN112922514B (en) 2021-03-26 2021-03-26 Self-cleaning fire-fighting self-rescue safety house air inlet window

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Application Number Priority Date Filing Date Title
CN202110325566.1A CN112922514B (en) 2021-03-26 2021-03-26 Self-cleaning fire-fighting self-rescue safety house air inlet window

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CN112922514A true CN112922514A (en) 2021-06-08
CN112922514B CN112922514B (en) 2022-12-13

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208398297U (en) * 2018-06-26 2019-01-18 云南乾美滔博装饰工程设计有限公司 A kind of finishing room air cleaning device
CN210320388U (en) * 2019-04-25 2020-04-14 河南仙于山环保科技有限公司 Air purification device based on energy-saving and environment-friendly technology
US20200179945A1 (en) * 2017-06-19 2020-06-11 Oy Lifa Air Ltd. Electrical filter structure
CN212618868U (en) * 2020-03-23 2021-02-26 广州海洁尔医疗设备有限公司 A long strip air purifier

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200179945A1 (en) * 2017-06-19 2020-06-11 Oy Lifa Air Ltd. Electrical filter structure
CN208398297U (en) * 2018-06-26 2019-01-18 云南乾美滔博装饰工程设计有限公司 A kind of finishing room air cleaning device
CN210320388U (en) * 2019-04-25 2020-04-14 河南仙于山环保科技有限公司 Air purification device based on energy-saving and environment-friendly technology
CN212618868U (en) * 2020-03-23 2021-02-26 广州海洁尔医疗设备有限公司 A long strip air purifier

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