CN115591869B - Intelligent fresh air system of building - Google Patents
Intelligent fresh air system of building Download PDFInfo
- Publication number
- CN115591869B CN115591869B CN202211254508.5A CN202211254508A CN115591869B CN 115591869 B CN115591869 B CN 115591869B CN 202211254508 A CN202211254508 A CN 202211254508A CN 115591869 B CN115591869 B CN 115591869B
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- China
- Prior art keywords
- plate
- pipe
- rotating
- fresh air
- indoor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/021—Cleaning pipe ends or pipe fittings, e.g. before soldering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation 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
- F24F7/08—Ventilation 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 with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
Abstract
The invention relates to the technical field of building ventilation equipment, and discloses an intelligent fresh air system for a building, which comprises a fresh air host, wherein the back surface of the fresh air host is respectively communicated with an outdoor air inlet pipe and an outdoor exhaust pipe, the front surface of the fresh air host is communicated with an indoor air return pipe and an indoor air outlet pipe, the outer sides of the ports of the other ends of the indoor air return pipe and the indoor air outlet pipe are provided with rotating parts, and the outer sides of the rotating parts are provided with cleaning parts; through turning the rotating plate by 90 degrees and then turning the indoor air outlet pipe by 180 degrees, the rotating plate can be rotated into the pipe, the sponge sheet is in abutting contact with the pipe orifice at the moment, the cleaning pad is in abutting contact with the inner wall of the pipe, the rotating ring can be rotated to drive the sponge sheet to clean the pipe orifice and drive the cleaning pad to clean the inner wall of the pipe, and the rolling resistance is reduced by rolling the ball along the inner wall of the pipe; and after the cleaning, the sponge sheet and the cleaning pad are conveniently replaced, so that the effects of conveniently cleaning the dust at the air inlet and avoiding the fresh air from being polluted are achieved.
Description
Technical Field
The invention relates to the technical field of building ventilation equipment, in particular to an intelligent fresh air system for a building.
Background
Along with the continuous improvement of the living standard of people, the fresh air system is arranged in the home to ensure that the room has comfortable and fresh air, the fresh air system can purify the indoor fresh air and introduce the fresh air into areas requiring the fresh air such as bedrooms and living rooms, and the like, and simultaneously, the indoor polluted air is discharged outdoors; in the process, the fresh air system can also recover energy in polluted air, improve the indoor air quality and save energy.
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 grow bacterial colonies, so that the appearance attractiveness of the fresh air system is affected, the conveyed fresh air can be polluted, the purification efficiency is further affected, and the conveyed fresh air contains impurities, so that the fresh air can be further improved.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides an intelligent fresh air system for a building, which has the advantages of conveniently cleaning dust at an air port, avoiding pollution of fresh air and the like, and solves the problems.
(II) technical scheme
In order to solve the problems, the invention provides the following technical scheme: the utility model provides an intelligent new trend system of building, includes the new trend host computer, the back of new trend host computer communicates respectively has outdoor air-supply line and outdoor exhaust pipe, the front intercommunication of new trend host computer has indoor return air pipe and indoor tuber pipe that goes out, the other end port department outside of indoor return air pipe and indoor tuber pipe that goes out is provided with rotating member, rotating member's outside is provided with clearance part.
Further, the rotating part comprises a rotating ring which is connected to the outer side of the indoor air return pipe in a rotating mode, symmetrical protruding plates are fixedly arranged on the outer side of the rotating ring, a grabbing portion is formed between the protruding plates in two groups, an embedded groove is formed in the rotating ring, and limiting grooves are formed in the middle of two sides of the embedded groove.
Further, the clearance part is including rotating the bottom plate of connection in the caulking groove, the front end fixed mounting of bottom plate has down the connecting plate, the change hole has been seted up in the rear end of bottom plate, the lower connecting plate other end rotates and is connected with the keysets, the other end of keysets rotates and is connected with the upper junction plate, upper junction plate opposite side fixed mounting has the rotating plate, the front one side bonding of keysets has the sponge piece, the movable chamber has been seted up to the inside both ends that correspond the upper junction plate of keysets, the inside fixed mounting of movable chamber has the compression spring, the inside sliding connection of movable chamber has the friction plate, the both ends rotation of upper junction plate is connected with the revolving post, the other end bottom side fixed mounting of rotating plate has spacing cardboard, the top side of rotating plate is pasted through the magic and is glued there is the clearance pad, rotating plate corresponds spacing cardboard department top side rotation and is connected with the ball.
Further, two of the protruding plates are arranged on the outer side of the swivel in an array mode, the protruding plates are made of rubber, the edges of the protruding plates are arc edges, the swivel is conveniently rotated through the grabbing portions of fingers between the two groups of protruding plates, and meanwhile the protruding plates on the arc edges of the rubber materials are prevented from being scratched.
Further, the inside rotation of caulking groove is connected with the pivot, just four groups have been seted up around swivel array to the caulking groove, the spacing groove is located the both sides wall department of caulking groove.
Further, the bottom plate is rotatably connected to the rotating shaft in the caulking groove through the rotating hole, the rotating shaft is used as a rotating fulcrum of the bottom plate, and the other end of the bottom plate is movably connected with the rotating plate through the adapter plate.
Further, the connecting plate rotates as the fulcrum below the keysets, the keysets rotates 180 back, and sponge piece butt contact is indoor the section outside of return air pipe, sponge piece material is the sponge, and pastes through the magic, conveniently changes, rotates through the swivel, and then can drive the sponge piece and clear up indoor return air pipe.
Further, friction plate and compression spring fixed mounting, opposite side and the contact of column one side butt of friction plate give the thrust of friction plate extrusion contact column all the time through compression spring self elasticity, through friction plate and column friction contact, can increase the pivoted resistance of column, and then play spacing effect.
Further, the corresponding joint of spacing cardboard initial position is inside the spacing groove, and then carries out spacingly to the revolving plate, the clearance is filled up and the ball rotates the back and all the butt is at the inner wall of indoor return air pipe, drives the clearance through the swivel of rotating and fills up the inner wall of indoor return air pipe and clear up, rolls along the inner wall of indoor return air pipe through the ball simultaneously, reduces the rotation resistance.
(III) beneficial effects
Compared with the prior art, the invention provides an intelligent fresh air system for buildings, which has the following beneficial effects:
according to the intelligent fresh air system for the building, the rotating plate is turned over by 90 degrees, and then the indoor air outlet pipe is turned over by 180 degrees, so that the rotating plate can be rotated into the pipe, the sponge sheet is in abutting contact with the pipe opening, the cleaning pad is in abutting contact with the inner wall of the pipe, the rotating ring can be rotated to drive the sponge sheet to clean the pipe opening and drive the cleaning pad to clean the inner wall of the pipe, and meanwhile, the ball rolls along the inner wall of the pipe, so that the rotating resistance is reduced; and because sponge piece and clearance pad are all connected through the magic subsides bonding mode, so after the clearance, conveniently change it to reach the effect that conveniently clear up wind gap dust, avoid the new trend to receive the pollution.
Drawings
FIG. 1 is a schematic perspective view of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the present invention at the beginning;
FIG. 3 is a schematic view of the rotating member structure of the present invention;
FIG. 4 is a schematic view of the cleaning element of the present invention;
FIG. 5 is a schematic view showing a cut-away view of the internal structure of the adapter plate of the present invention;
FIG. 6 is a schematic diagram of the structure of the present invention when inverted;
fig. 7 is a schematic diagram of the structure of the present invention after being flipped.
In the figure: 1. a fresh air host; 2. an outdoor air inlet pipe; 3. an indoor return air pipe; 4. an indoor air outlet pipe; 5. an outdoor exhaust duct; 6. a rotating member; 61. a swivel; 62. a protruding plate; 63. a grip portion; 64. a caulking groove; 65. a limit groove; 7. cleaning the component; 71. a bottom plate; 72. a lower connecting plate; 73. a turning hole; 74. an adapter plate; 741. a sponge sheet; 742. a movable chamber; 743. a compression spring; 744. a friction plate; 75. an upper connecting plate; 751. a rotating column; 76. a rotating plate; 761. a limiting clamping plate; 762. cleaning the pad; 763. and (3) rolling balls.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, an intelligent fresh air system for a building comprises a fresh air host 1, wherein an outdoor air inlet pipe 2 and an outdoor exhaust pipe 5 are respectively communicated with the back of the fresh air host 1, an indoor return air pipe 3 and an indoor air outlet pipe 4 are respectively communicated with the front of the fresh air host 1, a rotating part 6 is arranged on the outer side of the port of the other end of the indoor return air pipe 3 and the port of the other end of the indoor air outlet pipe 4, and a cleaning part 7 is arranged on the outer side of the rotating part 6.
Referring to fig. 2-3, the rotating member 6 includes a rotating ring 61 rotatably connected to the outer side of the indoor return air duct 3, symmetrical protruding plates 62 are fixedly mounted on the outer side of the rotating ring 61, two protruding plates 62 are arranged on the outer side of the rotating ring 61 in an array, the protruding plates 62 are made of rubber, the edges of the protruding plates 62 are arc edges, a gripping part 63 is formed between the two groups of protruding plates 62, and the rotating ring 61 is conveniently rotated by placing fingers on the gripping part 63 between the two groups of protruding plates 62, and meanwhile, the fingers are prevented from being scratched by the protruding plates 62 on the arc edges of the rubber material; the swivel 61 has seted up caulking groove 64, and the inside rotation of caulking groove 64 is connected with the pivot, and caulking groove 64 has seted up four groups around the swivel 61 array, and the spacing groove 65 has been seted up to swivel 61 in the middle part of caulking groove 64 both sides, and spacing groove 65 is located caulking groove 64 both sides wall department.
Referring to fig. 4, the cleaning member 7 includes a bottom plate 71 rotatably connected in the caulking groove 64, a lower connecting plate 72 is fixedly mounted at the front end of the bottom plate 71, a rotation hole 73 is formed in the rear end of the bottom plate 71, the bottom plate 71 is rotatably connected to an inner rotation shaft of the caulking groove 64 through the rotation hole 73, a rotation shaft is used as a rotation pivot of the bottom plate 71, the other end of the lower connecting plate 72 is rotatably connected with an adapter plate 74, the other end of the adapter plate 74 is rotatably connected with an upper connecting plate 75, a rotation plate 76 is fixedly mounted at the other side of the upper connecting plate 75, and the other end of the bottom plate 71 is movably connected with the rotation plate 76 through the adapter plate 74;
referring to fig. 4-5, a sponge piece 741 is adhered to one side of the front surface of the adapter plate 74, the adapter plate 74 rotates by taking the connecting plate 72 below the adapter plate 74 as a pivot, after the adapter plate 74 rotates 180 degrees, the sponge piece 741 is abutted against the outer side of the cross section of the indoor return air pipe 3, the sponge piece 741 is made of sponge, is adhered by a magic tape and is convenient to replace, and the sponge piece 741 can be driven to clean the indoor return air pipe 3 by rotating the rotating ring 61; the adapter plate 74 is provided with a movable chamber 742 corresponding to the two ends of the upper connecting plate 75, a compression spring 743 is fixedly arranged in the movable chamber 742, a friction plate 744 is connected in the movable chamber 742 in a sliding manner, the friction plate 744 and the compression spring 743 are fixedly arranged, two ends of the upper connecting plate 75 are rotatably connected with a rotating column 751, the other side of the friction plate 744 is in abutting contact with one side of the rotating column 751, the compression spring 743 self elasticity always gives the friction plate 744 a thrust force for pressing the rotating column 751, and the friction plate 744 is in frictional contact with the rotating column 751, so that the resistance of the rotating column 751 to rotate is increased, and the limiting effect is further achieved;
referring to fig. 4 and fig. 6-7, a limiting clamping plate 761 is fixedly mounted at the bottom side of the other end of the rotating plate 76, the initial position of the limiting clamping plate 761 is correspondingly clamped in the limiting groove 65, the rotating plate 76 is further limited, a cleaning pad 762 is adhered to the top side of the rotating plate 76 through a magic tape, balls 763 are rotatably connected to the top side of the rotating plate 76 corresponding to the limiting clamping plate 761, the cleaning pad 762 and the balls 763 are abutted to the inner wall of the indoor air return pipe 3 after rotating, the cleaning pad 762 is driven to clean the inner wall of the indoor air return pipe 3 through rotating the rotating ring 61, and meanwhile the balls 763 roll along the inner wall of the indoor air return pipe 3, so that rotating resistance is reduced.
Working principle: referring to fig. 1-7, when cleaning the pipe orifice, the rotating plate 76 is first pulled upwards, so that the limit clamping plate 761 is not limited by the clamping of the limit groove 65, and then the connecting position of the connecting plate 75 and the adapter plate 74 above the rotating plate 76 is rotated by 90 degrees as a rotation pivot, as shown in fig. 6; then the rotating pivot of the joint of the connecting plate 72 and the adapter plate 74 below the assembly of the adapter plate 74 and the rotating plate 76 is rotated 180 degrees, as shown in fig. 7, at the moment, the sponge sheet 741 is in abutting contact with the outer side of the pipe orifice, and then the cleaning pad 762 is rotated 90 degrees inwards of the pipe orifice, so that the cleaning pad 762 is in abutting contact with the inner wall of the pipe;
then, the swivel 61 can be rotated, the sponge sheet 741 is driven to rotate around the pipe orifice through the adapter plate 74, the pipe orifice is cleaned through the sponge sheet 741, meanwhile, the swivel plate 76 is driven to rotate in the pipe, the cleaning pad 762 is driven to clean the inner wall of the pipe, and meanwhile, the ball 763 rolls along the inner wall of the pipe, so that the friction force during rotation of the ball is reduced, and the cleaning is convenient;
after the cleaning is completed, the rotating plate 76 and the adapter plate 74 are reversely rotated to the original positions in sequence, at this moment, the limiting clamping plate 761 is clamped in the limiting groove 65, so that the limiting effect is achieved, and meanwhile, the sponge piece 741 and the cleaning pad 762 are connected in a sticking mode through the magic tape, so that the replacement is convenient.
In summary, in the intelligent fresh air system for building, the rotating plate 76 is turned over by 90 degrees and then the indoor air outlet pipe 4 is turned over by 180 degrees, so that the rotating plate 76 is rotated into the pipe, the sponge sheet 741 is in contact with the pipe orifice, the cleaning pad 762 is in contact with the inner wall of the pipe, the rotating ring 61 is rotated to drive the sponge sheet 741 to clean the pipe orifice and the cleaning pad 762 to clean the inner wall of the pipe, and meanwhile, the ball 763 rolls along the inner wall of the pipe, so that the rotation resistance is reduced; and because sponge piece 741 and clearance pad 762 are all connected through the magic subsides bonding mode, so after the clearance, conveniently change it to reach the effect that conveniently clear up the wind gap dust, avoid the new trend to receive the pollution.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly, and may be, for example, fixedly mounted, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Standard parts used by the invention can be purchased from the market, and special-shaped parts can be customized according to the description of the specification and the drawings.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides an intelligent new trend system of building, includes new trend host computer (1), its characterized in that: the back of the fresh air host machine (1) is respectively communicated with an outdoor air inlet pipe (2) and an outdoor exhaust pipe (5), the front of the fresh air host machine (1) is communicated with an indoor return air pipe (3) and an indoor air outlet pipe (4), a rotating part (6) is arranged at the outer side of the port of the other end of the indoor return air pipe (3) and the port of the other end of the indoor air outlet pipe (4), and a cleaning part (7) is arranged at the outer side of the rotating part (6);
the cleaning component (7) comprises a bottom plate (71) which is rotationally connected in a caulking groove (64), a lower connecting plate (72) is fixedly arranged at the front end of the bottom plate (71), a rotating hole (73) is formed in the rear end of the bottom plate (71), an adapter plate (74) is rotationally connected to the other end of the lower connecting plate (72), an upper connecting plate (75) is rotationally connected to the other end of the adapter plate (74), a rotating plate (76) is fixedly arranged on the other side of the upper connecting plate (75), a sponge sheet (741) is bonded on one side of the front of the adapter plate (74), a movable chamber (742) is formed in the interior of the adapter plate (74) corresponding to the two ends of the upper connecting plate (75), a compression spring (743) is fixedly arranged in the interior of the movable chamber (742), a friction plate (744) is slidingly connected to the interior of the movable chamber (742), a rotating post (751) is rotationally connected to the two ends of the upper connecting plate (75), a limiting clamping plate (761) is fixedly arranged on the bottom side of the other end of the adapter plate (76), a top side of the rotating plate (76) is bonded with a ball bearing (763), and the corresponding to the limiting clamping plate (761) is rotationally connected to the ball bearing (763).
The bottom plate (71) is rotationally connected to the inner rotating shaft of the caulking groove (64) through a rotating hole (73), the rotating shaft is used as a rotating fulcrum of the bottom plate (71), and the other end of the bottom plate (71) is movably connected with the rotating plate (76) through an adapter plate (74);
the adapter plate (74) rotates by taking the lower connecting plate (72) as a fulcrum, after the adapter plate (74) rotates 180 degrees, the sponge sheet (741) is abutted against the outer side of the section of the indoor return air pipe (3), and the sponge sheet (741) is made of sponge;
the friction plate (744) and the compression spring (743) are fixedly arranged, and the other side of the friction plate (744) is in abutting contact with one side of the rotary column (751);
the initial position of the limiting clamping plate (761) is correspondingly clamped inside the limiting groove (65), and the cleaning pad (762) and the ball (763) are abutted against the inner wall of the indoor return air pipe (3) after rotating.
2. The intelligent fresh air system for buildings according to claim 1, wherein: the rotary part (6) comprises a rotary ring (61) which is rotationally connected to the outer side of the indoor return air pipe (3), symmetrical protruding plates (62) are fixedly arranged on the outer side of the rotary ring (61), a grabbing part (63) is formed between the protruding plates (62) in two groups, an embedding groove (64) is formed in the rotary ring (61), and limiting grooves (65) are formed in the middle of two sides of the embedding groove (64) in the rotary ring (61).
3. The intelligent fresh air system for buildings according to claim 2, wherein: the two protruding plates (62) are arranged on the outer side of the swivel (61) in an array mode, the protruding plates (62) are made of rubber, and the edges of the protruding plates (62) are arc edges.
4. The intelligent fresh air system for buildings according to claim 2, wherein: the inside rotation of caulking groove (64) is connected with the pivot, just caulking groove (64) are seted up four sets of around swivel (61) array, spacing groove (65) are located caulking groove (64) both sides wall department.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211254508.5A CN115591869B (en) | 2022-10-13 | 2022-10-13 | Intelligent fresh air system of building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211254508.5A CN115591869B (en) | 2022-10-13 | 2022-10-13 | Intelligent fresh air system of building |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115591869A CN115591869A (en) | 2023-01-13 |
| CN115591869B true CN115591869B (en) | 2023-09-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211254508.5A Active CN115591869B (en) | 2022-10-13 | 2022-10-13 | Intelligent fresh air system of building |
Country Status (1)
| Country | Link |
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| CN (1) | CN115591869B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN209605336U (en) * | 2019-01-31 | 2019-11-08 | 靖江市天安空调设备制造有限公司 | A kind of energy conservation and environmental protection heat-recovery fresh air ventilator |
| CN212469123U (en) * | 2020-03-17 | 2021-02-05 | 中电信恒(北京)建设有限公司 | Automatic cleaning equipment for building ventilation pipeline |
| CN214746253U (en) * | 2021-06-28 | 2021-11-16 | 山东科控能源有限公司 | Air conditioning fresh air system |
| CN215314490U (en) * | 2021-05-08 | 2021-12-28 | 济南彦通通风设备有限公司 | Self-cleaning type ventilating duct |
| CN114484661A (en) * | 2021-12-16 | 2022-05-13 | 姜锐 | New trend system exhaust pipe |
| WO2022120550A1 (en) * | 2020-12-08 | 2022-06-16 | 苏州惠林节能材料有限公司 | High-efficiency total heat exchange type fresh air ventilation system and operating method therefor |
| CN217154431U (en) * | 2022-04-08 | 2022-08-09 | 科林贝思(广东)科技有限公司 | Outdoor exhaust opening automatically cleaning formula new fan |
| CN217423508U (en) * | 2021-12-28 | 2022-09-13 | 深圳市文丰装饰创新科技有限公司 | Low energy consumption building new trend system |
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2022
- 2022-10-13 CN CN202211254508.5A patent/CN115591869B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209605336U (en) * | 2019-01-31 | 2019-11-08 | 靖江市天安空调设备制造有限公司 | A kind of energy conservation and environmental protection heat-recovery fresh air ventilator |
| CN212469123U (en) * | 2020-03-17 | 2021-02-05 | 中电信恒(北京)建设有限公司 | Automatic cleaning equipment for building ventilation pipeline |
| WO2022120550A1 (en) * | 2020-12-08 | 2022-06-16 | 苏州惠林节能材料有限公司 | High-efficiency total heat exchange type fresh air ventilation system and operating method therefor |
| CN215314490U (en) * | 2021-05-08 | 2021-12-28 | 济南彦通通风设备有限公司 | Self-cleaning type ventilating duct |
| CN214746253U (en) * | 2021-06-28 | 2021-11-16 | 山东科控能源有限公司 | Air conditioning fresh air system |
| CN114484661A (en) * | 2021-12-16 | 2022-05-13 | 姜锐 | New trend system exhaust pipe |
| CN217423508U (en) * | 2021-12-28 | 2022-09-13 | 深圳市文丰装饰创新科技有限公司 | Low energy consumption building new trend system |
| CN217154431U (en) * | 2022-04-08 | 2022-08-09 | 科林贝思(广东)科技有限公司 | Outdoor exhaust opening automatically cleaning formula new fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115591869A (en) | 2023-01-13 |
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