CN117739449A - Intelligent fresh air system of building - Google Patents
Intelligent fresh air system of building Download PDFInfo
- Publication number
- CN117739449A CN117739449A CN202410156531.3A CN202410156531A CN117739449A CN 117739449 A CN117739449 A CN 117739449A CN 202410156531 A CN202410156531 A CN 202410156531A CN 117739449 A CN117739449 A CN 117739449A
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- dust
- fresh air
- wall
- air system
- collecting box
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- 239000000428 dust Substances 0.000 claims abstract description 115
- 238000009423 ventilation Methods 0.000 claims abstract description 58
- 230000000903 blocking effect Effects 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 13
- 238000000746 purification Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 9
- 241000883990 Flabellum Species 0.000 description 7
- 230000005611 electricity Effects 0.000 description 7
- 230000003068 static effect Effects 0.000 description 7
- 241000238631 Hexapoda Species 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 230000009965 odorless effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Ventilation (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention belongs to the technical field of building ventilation equipment, in particular to an intelligent fresh air system for a building, which comprises a host machine, wherein an air inlet pipe and an air outlet pipe which are communicated with the outside, and an air return pipe and an air outlet pipe which are communicated with the inside are arranged on the host machine; the air return pipe and the air outlet pipe are provided with ventilation openings at the outlets, the ventilation openings are provided with hoods, a fixing frame is arranged in the ventilation openings, and the fixing frame is provided with a mounting cylinder; the dustproof net is arranged on the mounting cylinder, the fan blades are arranged between the dustproof net and the hood, the rotating shafts on the fan blades are rotatably arranged in the mounting cylinder, and the edges of the fan blades are provided with brush hair; the outer wall of the vent is provided with a collecting box, and an opening of the collecting box in the vent is close to the side face of the dust screen, which faces the hood; the invention has simple structure, can clean and collect dirt and dust at the air outlet, and avoids the influence of the fresh air system on the purification effect of indoor air due to the peculiar smell and dust of the delivered fresh air.
Description
Technical Field
The invention belongs to the technical field of building ventilation equipment, and particularly relates to an intelligent fresh air system for a building.
Background
Along with the continuous improvement of the living standard of people, the household environment has high requirements, so that a fresh air system is installed in a household, the indoor air is comfortable and fresh, the fresh air system can purify the indoor fresh air and is introduced into areas requiring the fresh air, such as bedrooms and living rooms, and indoor polluted air is discharged outdoors.
And after the fresh air system runs for a long time, the air inlet and the air outlet of the fresh air system can adsorb dust in the air due to static electricity, and the dust adsorbed at the air outlet can breed bacterial colonies, so that the appearance attractiveness of the fresh air system is affected, the conveyed fresh air can be polluted, the conveyed fresh air can have certain peculiar smell and dust, and the purifying effect of the fresh air system on the air is affected.
Disclosure of Invention
In order to make up for the defects of the prior art, dirt and dust at an air outlet are cleaned and collected, the phenomenon that the purification effect of a fresh air system on indoor air is affected due to the fact that the delivered fresh air has peculiar smell and dust is avoided, and the intelligent fresh air system for the building is provided.
The technical scheme adopted for solving the technical problems is as follows: the intelligent fresh air system for the building comprises a host, wherein an air inlet pipe and an exhaust pipe which are communicated with the outside, and an air return pipe and an air outlet pipe which are communicated with the inside are arranged on the host;
the air return pipe and the air outlet pipe are provided with vent openings at the outlet, the vent openings are installed and connected through connecting sleeves, the vent openings are provided with air caps, the air caps are fixed on the vent openings through buckles or screws, a fixing frame is installed in the vent openings, and the fixing frame is provided with a mounting cylinder;
the installation cylinder is provided with a dustproof net, the edge of the dustproof net is contacted with the inner wall of the ventilation opening, a fan blade is arranged between the dustproof net and the fan cap, a rotating shaft on the fan blade is rotatably arranged in the installation cylinder, the rotating shaft penetrates through the dust screen, the other end of the rotating shaft is abutted to a mounting seat on the inner wall of the hood, bristles are arranged on the edges of the fan blades, and the bristles are used for cleaning the surface of the dust screen, the inner wall of the ventilation opening and the inner wall of the hood;
and a collecting box is arranged on the outer wall of the ventilation opening, and an opening of the collecting box in the ventilation opening is close to the side face of the dustproof net, which faces the hood.
Preferably, a contact ring is arranged on the edge of the dustproof net, the contact ring is positioned between the dustproof net and the inner wall of the ventilation opening, a plurality of groups of grooves are formed in the surface of the contact ring, and the openings of the grooves face the inner wall of the ventilation opening.
Preferably, an antistatic film is attached to the surface of the fan blade.
Preferably, a gap exists between the antistatic film and the surface of the fan blade, and the antistatic film is not in a stretched state on the surface of the fan blade.
Preferably, the dust blocking grid is arranged at the opening of the collecting box in the ventilation opening, a plurality of through grooves which are uniformly distributed are formed in the dust blocking grid, and the length direction of each through groove is perpendicular to the axis of the ventilation opening.
Preferably, a plurality of groups of baffle rods are arranged on the inner wall of the collecting box, and the baffle rods are obliquely downwards arranged.
Preferably, the stop lever is mounted on a velcro, and the velcro is adhered to the inner wall of the collecting box.
Preferably, the hood, the fan blades and the collecting box are made of transparent plastic materials.
The beneficial effects of the invention are as follows:
1. according to the intelligent fresh air system for the building, disclosed by the invention, the dust is intercepted by the dustproof net by arranging the ventilation opening, the fan blades, the brush hair, the dustproof net, the hood and the collection box, so that the dust is prevented from entering the return air pipe or the air outlet pipe, the brush hair on the fan blades is directly utilized to clean the dustproof net, the ventilation opening and the inner wall of the hood when the fan blades rotate, and the cleaned dust is stored in the collection box, so that the dust is further prevented from accumulating in the ventilation opening, the return air pipe or the air outlet pipe, so that peculiar smell and dust exist in fresh air conveyed by the fresh air system, and the using effect of the fresh air system is affected.
2. According to the intelligent fresh air system for the building, the contact ring, the dust blocking grid and the blocking rod are arranged, so that gaps between the dust screen and the inner wall of the ventilation opening are filled and blocked, dust is prevented from penetrating through the dust screen and entering the host, dust on the inner wall of the ventilation opening can be further cleaned in the process of outwards pulling out the dust screen when the ventilation opening is disassembled and cleaned, workload and cleaning difficulty of workers are reduced, meanwhile, the cleaned dust is blocked and blocked by the dust blocking grid and the blocking rod, so that the dust is not easy to leave from the collection box again, and the dust is prevented from reentering the ventilation opening to influence the using effect of the fresh air system.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a front view of the fresh air system of the present invention;
FIG. 2 is a schematic diagram of the structure of the fresh air system of the present invention;
FIG. 3 is a schematic view of the structure of the vent in the fresh air system of the present invention;
FIG. 4 is a schematic view of the fan blade structure in the fresh air system of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 2 at A;
FIG. 6 is an enlarged view of a portion of FIG. 3 at B;
FIG. 7 is an enlarged view of a portion of FIG. 3 at C;
FIG. 8 is a partial enlarged view at D in FIG. 6;
in the figure: host 1, air inlet pipe 11, exhaust pipe 12, return air pipe 13, air outlet pipe 14, adapter sleeve 15, ventilation opening 2, hood 21, collection box 22, baffle bar 221, magic tape 222, dust blocking grid 23, fixing frame 3, mounting cylinder 31, dust screen 4, contact ring 41, fan blade 5, rotating shaft 51, brush hair 52.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 8, the intelligent fresh air system for a building comprises a host 1, wherein an air inlet pipe 11 and an air outlet pipe 12 which are communicated with the outside, and an air return pipe 13 and an air outlet pipe 14 which are communicated with the inside are arranged on the host 1;
the air return pipe 13 and the air outlet pipe 14 are provided with a vent 2 at the outlet, the vent 2 is installed and connected through a connecting sleeve 15, the vent 2 is provided with a hood 21, the hood 21 is fixed on the vent 2 through a buckle or a screw, the vent 2 is internally provided with a fixing frame 3, and the fixing frame 3 is provided with a mounting cylinder 31;
the dustproof net 4 is installed on the installation cylinder 31, the edge of the dustproof net 4 is in contact with the inner wall of the ventilation opening 2, the fan blade 5 is installed between the dustproof net 4 and the ventilation opening 21, the rotating shaft 51 on the fan blade 5 is rotatably installed in the installation cylinder 31, the rotating shaft 51 penetrates through the dustproof net 4, the other end of the rotating shaft 51 is abutted to an installation seat on the inner wall of the ventilation opening 21, the brush hair 52 is installed on the edge of the fan blade 5, and the brush hair 52 cleans the surface of the dustproof net 4, the inner wall of the ventilation opening 2 and the inner wall of the ventilation opening 21;
a collecting box 22 is arranged on the outer wall of the ventilation opening 2, and an opening of the collecting box 22 in the ventilation opening 2 is close to the side face of the dust screen 4 facing the hood 21;
during operation, the host 1 extracts external fresh air through the air inlet pipe 11 communicated with the outside, the fresh air is discharged into an indoor space from the air outlet pipe 14 communicated with the indoor after being filtered and purified in the host 1, meanwhile, indoor dirty air enters the host 1 from the air return pipe 13 communicated with the indoor, heat exchange is carried out between the host 1 and the external fresh air, the temperature of the fresh air is improved, and then the dirty air is discharged into the external environment from the air outlet pipe 12 communicated with the outside, and in the process, dust and impurities in the air are adsorbed at the openings of the air return pipe 13 and the air outlet pipe 14 communicated with the indoor due to static electricity, so that the fresh air conveyed into the indoor has peculiar smell and dust, and the using effect of a fresh air system is affected;
through installing the ventilation openings 2 at the outlets of the air return pipe 13 and the air outlet pipe 14, the air return pipe 13 and the air outlet pipe 14 are protected, the possibility that dust in air is attached under the action of static electricity is reduced, the use effect of a fresh air system is ensured, meanwhile, through installing the dust screen 4 in the ventilation openings 2, the dust entering the ventilation openings 2 is intercepted and filtered by the dust screen 4, the dust is prevented from entering the air return pipe 13 and the air outlet pipe 14 through the ventilation openings 2, the peculiar smell and the dust of fresh air conveyed by a fresh air system are caused, meanwhile, when the air passes through the air return pipe 13 and the air outlet pipe 14, the flowing air acts on the fan blades 5 in the ventilation openings 2, so that the fan blades 5 rotate, in the process of rotating the fan blade 5, the brush hair 52 positioned at the edge of the fan blade 5 can clean the dust screen 4, the ventilation opening 2 and the inner wall of the hood 21, so that attached dust falls off, is collected and concentrated in the rotating process of the fan blade 5 and is further sent into the collection box 22 to be stored, the cleaned dust is prevented from accumulating in the ventilation opening 2, the normal use of the dust screen 4 is prevented from being influenced, the air conveyed by a fresh air system is prevented from having peculiar smell and dust, or the cleaned dust is prevented from falling downwards from the opening of the ventilation opening 2, the dust is prevented from accumulating on the bottom surface positioned below the ventilation opening 2 in a room, and the indoor cleaning is prevented from being influenced;
simultaneously, install hood 21 on vent 2, reduce insect, toy or the debris that the volume is great relatively enter into vent 2 inside, avoid influencing the normal use of new trend system, simultaneously, utilize the mount pad on the hood 21 inner wall, carry out the butt to the other end of pivot 51 on the flabellum 5 fixedly, thereby guarantee that flabellum 5 can be stable rotate, and when dismantling the clearance to vent 2, after dismantling hood 21, can be light take out flabellum 5 from vent 2, reduce the degree of difficulty and the work load of dismantling the clearance.
As one embodiment of the present invention, a contact ring 41 is installed on the edge of the dust screen 4, the contact ring 41 is located between the dust screen 4 and the inner wall of the ventilation opening 2, a plurality of groups of grooves are formed on the surface of the contact ring 41, and the openings of the grooves face the inner wall of the ventilation opening 2;
by installing the contact ring 41 on the edge of the dustproof net 4, gaps between the dustproof net 4 and the inner wall of the ventilation opening 2 are filled and blocked, so that dust is prevented from passing through the dustproof net 4 from the gaps between the dustproof net 4 and entering the host 1 at the rear, and the normal operation of a fresh air system is prevented from being influenced;
meanwhile, by forming grooves on the contact ring 41, a multiple closed structure is formed between the contact ring 41 and the inner wall of the vent 2, so that the interception effect of dust passing through gaps between the dustproof net 4 and the inner wall of the vent 2 is improved, and the dust is fully prevented from entering the host 1 after passing through the dustproof net 4, and the host 1 is damaged;
meanwhile, because the contact ring 41 has elasticity and is relatively soft, thereby make between dust screen 4 and the vent 2 inner wall connect through interference fit, therefore, when dismantling the clearance to vent 2, after the staff takes off the set screw between dust screen 4 and the mounting section of thick bamboo 31, along with the staff pulls out dust screen 4 outside, contact ring 41 on dust screen 4 can scratch, clear up vent 2 inner wall, further reduction vent 2 on the attached dust quantity, thereby reduce the degree of difficulty and the work load that follow-up staff clear up vent 2, and clear up the attached dust on the vent 2 inner wall when outwards removing along with dust screen 4, also can avoid dismantling the clearance to vent 2 in the dust reverse entering into host computer 1, cause harmful effects or damage to host computer 1.
As an embodiment of the present invention, an antistatic film is attached to the surface of the fan blade 5;
in the rotation process of the fan blades 5, the fan blades 5 are contacted with and rubbed with the passing air flow, so that dust adhesion is easy to occur on the fan blades 5, the fresh air conveyed by the fresh air system is caused to have peculiar smell and dust, and the use effect of the fresh air system is affected, therefore, the antistatic film is attached on the surfaces of the fan blades 5, static electricity generated by friction between the fan blades 5 and the air flow in the rotation process is reduced, dust adhesion on the fan blades 5 due to static electricity is further reduced, the surface of the fan blades 5 is ensured to be relatively clean, the fresh air conveyed by the fresh air system is further prevented from being odorless and dust-free, and the use effect of the fresh air system is ensured.
As one embodiment of the present invention, a gap exists between the antistatic film and the surface of the fan blade 5, and the antistatic film is not in a stretched state on the surface of the fan blade 5;
because the gap exists between the antistatic film and the surface of the fan blade 5 and the antistatic film is not in a tight state, the antistatic film on the surface of the fan blade 5 can shake and vibrate in the rotation process of the fan blade 5, so that dust on the surface of the antistatic film is cleaned by contact and adhesion, the adhesion dust is easily separated under the influence of vibration, the quantity of the adhesion dust on the fan blade 5 is reduced, the fresh air conveyed by a fresh air system is ensured to be odorless and dust-free as far as possible, and the use effect of the fresh air system is ensured.
As an embodiment of the present invention, a dust blocking grid 23 is installed at the opening of the collecting box 22 in the ventilation opening 2, a plurality of through grooves are uniformly distributed on the dust blocking grid 23, and the length direction of the through grooves is perpendicular to the axis of the ventilation opening 2;
when the fan blade 5 rotates, the brush hair 52 arranged on the fan blade 5 can clean dust attached to the dust screen 4, the ventilation opening 2 and the inner wall of the fan cap 21, and convey the cleaned dust to the opening of the collection box 22 on the ventilation opening 2 so as to facilitate the dust to be sent into the collection box 22 for storage, the cleaned dust is prevented from accumulating in the ventilation opening 2 and being stirred and flying by air flow, meanwhile, the dust passes through the relatively narrow through groove and enters the collection box 22 by arranging the dust blocking grid 23 at the opening of the collection box 22, under the condition that the dust smoothly enters the collection box 22, the speed and the quantity of the air flow entering the collection box 22 are reduced by the relatively narrow through groove on the dust blocking grid 23, the air flow is prevented from entering the collection box 22 for stirring and the dust is prevented from flying out of the collection box 22 into the ventilation opening 2 again, and the using effect of the fresh air system is affected.
As an embodiment of the present invention, a plurality of groups of baffle rods 221 are installed on the inner wall of the collecting box 22, and the baffle rods 221 are installed obliquely downwards;
through setting up the relatively intensive shelves 221 in collecting box 22, block, intercept the dust that enters into in the collecting box 22 to reduce the dust and escape from collecting box 22, reentry the possibility in the vent 2, guarantee fresh air system's result of use, simultaneously, also can utilize shelves 221 weaken, block the air current that enters into in the collecting box 22, avoid the air current to stir in collecting box 22, lead to the dust to fly upward in collecting box 22.
As one embodiment of the present invention, the blocking lever is mounted on a velcro 222, and the velcro 222 is adhered to the inner wall of the collection box 22;
when cleaning up the dust of storing in collecting box 22, the staff takes off collecting box 22 from the outer wall of vent 2, afterwards, the staff will be fixed to the shelves pole 221 in the collecting box 22 through the magic subsides 222 and take off, conveniently empty and clear up the dust in the collecting box 22, avoid shelves pole 221 to block the dust in the collecting box 22 and empty, increase the clearance degree of difficulty and the work load to storing full dust in the collecting box 22, and after taking out shelves pole 221 from collecting box 22, also can clear up shelves pole 221, avoid the dust to accumulate between shelves pole 221, influence the follow-up normal use of collecting box 22.
As an embodiment of the present invention, the hood 21, the fan blade 5 and the collection box 22 are made of transparent plastic materials;
through using transparent material to prepare for the staff can observe the dust condition inside vent 2, on the dust screen 4 and in collecting box 22 relatively audio-visual, so that after dust screen 4 is blockked up by the dust or collect box 22 in the dust deposit, the staff can be timely discovery and clear up the dust, thereby guarantee fresh air system's result of use good.
The specific working procedure is as follows:
during operation, the host 1 extracts external fresh air through the air inlet pipe 11 communicated with the outside, the fresh air is discharged into an indoor space from the air outlet pipe 14 communicated with the indoor after being filtered and purified in the host 1, meanwhile, indoor dirty air enters the host 1 from the air return pipe 13 communicated with the indoor, heat exchange is carried out between the host 1 and the external fresh air, the temperature of the fresh air is increased, and then the dirty air is discharged into the external environment from the air outlet pipe 12 communicated with the outside;
through installing vent 2 in return air pipe 13, the exit of tuber pipe 14, protect return air pipe 13, play tuber pipe 14, simultaneously, through installing dust screen 4 in vent 2, utilize dust screen 4 to intercept and filter the dust that enters into in the vent 2, simultaneously, when there is the air to pass through in return air pipe 13, play tuber pipe 14, the air that flows can act on the flabellum 5 in the vent 2 for flabellum 5 takes place to rotate, in flabellum 5 pivoted in-process, be located the brush hair 52 of flabellum 5 edge can clear up dust screen 4, vent 2 and the inner wall of hood 21, make the dust that adheres to drop, be sent into in the collection box 22 and preserve
Meanwhile, the hood 21 is arranged on the ventilation opening 2, so that insects, small animals or sundries with relatively large volume are reduced from entering the ventilation opening 2;
by installing the contact ring 41 on the edge of the dust screen 4, the gap between the dust screen 4 and the inner wall of the ventilation opening 2 is filled and blocked;
meanwhile, by forming grooves on the contact ring 41, a multiple closed structure is formed between the contact ring 41 and the inner wall of the ventilation opening 2, so that the blocking effect of dust passing through gaps between the dustproof net 4 and the inner wall of the ventilation opening 2 is improved;
an antistatic film is attached to the surface of the fan blade 5, so that static electricity generated by friction between the fan blade 5 and air flow in the rotation process is reduced, and further adhesion of dust on the fan blade 5 due to static electricity is reduced;
because a gap exists between the antistatic film and the surface of the fan blade 5 and the antistatic film is not in a tight state, the antistatic film on the surface of the fan blade 5 can shake and vibrate in the rotation process of the fan blade 5, so that dust contacted and attached to the surface of the antistatic film is cleaned, and the attached dust is easily separated under the influence of vibration;
by installing a dust barrier 23 at the opening of the collection box 22, dust is allowed to pass from the relatively narrow through slot and into the collection box 22;
by providing a relatively dense bar 221 in the collection box 22, dust entering the collection box 22 is blocked and intercepted;
when cleaning the dust stored in the collection box 22, a worker removes the collection box 22 from the outer wall of the ventilation opening 2, and then the worker removes a baffle bar 221 fixed in the collection box 22 through a magic tape 222, so that the dust in the collection box 22 can be conveniently poured and cleaned;
through using transparent material to prepare for the staff can observe the dust condition inside vent 2, on dust screen 4 and in collecting box 22 relatively audio-visual, so that after dust screen 4 is stopped up by the dust or collect box 22 in the dust deposit, the staff can timely discovery and clear up the dust.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The intelligent fresh air system for the building comprises a host machine (1), wherein an air inlet pipe (11) communicated with the outside, an exhaust pipe (12), an air return pipe (13) communicated with the inside and an air outlet pipe (14) are arranged on the host machine (1);
the method is characterized in that: the air return pipe (13) and the air outlet pipe (14) are provided with a vent (2), the vent (2) is provided with a hood (21), the vent (2) is internally provided with a fixing frame (3), and the fixing frame (3) is provided with a mounting cylinder (31);
a dustproof net (4) is arranged on the installation cylinder (31), a fan blade (5) is arranged between the dustproof net (4) and the hood (21), a rotating shaft (51) on the fan blade (5) is rotatably arranged in the installation cylinder (31), the rotating shaft (51) passes through the dustproof net (4), bristles (52) are arranged on the edge of the fan blade (5), and the bristles (52) are used for cleaning the surface of the dustproof net (4), the inner wall of the ventilation opening (2) and the inner wall of the hood (21);
the collecting box (22) is arranged on the outer wall of the ventilation opening (2), and an opening of the collecting box (22) in the ventilation opening (2) is close to the side face, facing the hood (21), of the dust screen (4).
2. The intelligent fresh air system for buildings according to claim 1, wherein: the dustproof device is characterized in that a contact ring (41) is arranged on the edge of the dustproof net (4), the contact ring (41) is located between the dustproof net (4) and the inner wall of the ventilation opening (2), a plurality of groups of grooves are formed in the surface of the contact ring (41), and the openings of the grooves face the inner wall of the ventilation opening (2).
3. The intelligent fresh air system for buildings according to claim 1, wherein: an antistatic film is attached to the surface of the fan blade (5).
4. A building intelligent fresh air system according to claim 3, wherein: a gap exists between the antistatic film and the surface of the fan blade (5), and the antistatic film is not in a tense state on the surface of the fan blade (5).
5. The intelligent fresh air system for buildings according to claim 1, wherein: the dust blocking grid (23) is arranged at the opening part of the collecting box (22) in the ventilation opening (2), and a plurality of through grooves which are uniformly distributed are formed in the dust blocking grid (23).
6. The intelligent fresh air system for buildings according to claim 5, wherein: a plurality of groups of baffle rods (221) are arranged on the inner wall of the collecting box (22), and the baffle rods (221) are obliquely downwards arranged.
7. The intelligent fresh air system for buildings according to claim 6, wherein: the stop lever is arranged on the magic tape (222), and the magic tape (222) is adhered to the inner wall of the collecting box (22).
8. The intelligent fresh air system for buildings according to claim 1, wherein: the hood (21), the fan blades (5) and the collecting box (22) are made of transparent plastic materials.
Priority Applications (1)
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CN202410156531.3A CN117739449B (en) | 2024-02-02 | 2024-02-02 | Intelligent fresh air system of building |
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CN202410156531.3A CN117739449B (en) | 2024-02-02 | 2024-02-02 | Intelligent fresh air system of building |
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CN117739449B CN117739449B (en) | 2024-05-31 |
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CN220229439U (en) * | 2023-07-06 | 2023-12-22 | 何蓉 | Decorative hood for fresh air button of outer wall |
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