CN114234324A - Ventilation energy-saving equipment for green building - Google Patents
Ventilation energy-saving equipment for green building Download PDFInfo
- Publication number
- CN114234324A CN114234324A CN202111596736.6A CN202111596736A CN114234324A CN 114234324 A CN114234324 A CN 114234324A CN 202111596736 A CN202111596736 A CN 202111596736A CN 114234324 A CN114234324 A CN 114234324A
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- CN
- China
- Prior art keywords
- ring
- wall
- gear
- pipe
- fan
- Prior art date
- 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.)
- Pending
Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 28
- 238000004140 cleaning Methods 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims description 6
- 241000883990 Flabellum Species 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 238000001914 filtration Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 12
- 238000007664 blowing Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 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
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005399 mechanical ventilation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
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- 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
- F24F7/003—Ventilation in combination with air cleaning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- 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
- F24F7/007—Ventilation with forced flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/90—Cleaning of purification apparatus
Abstract
The invention discloses a ventilation energy-saving device for a green building, which belongs to the field of building ventilation and comprises a rotating pipe, wherein a plurality of fan blades are arranged on the outer surface of the rotating pipe, the rotating pipe is rotatably sleeved on the outer side of a fixed pipe, a bottom ring is arranged on the outer wall of the top end of the fixed pipe, a top plate is arranged on the bottom ring through a support rod, the top plate is positioned above the fixed pipe and the rotating pipe, a mesh enclosure is arranged on the bottom wall of the top plate, a cleaning brush is arranged on the outer side wall of the mesh enclosure in a sliding manner, a fan is arranged inside the fixed pipe, and the fan is arranged at the bottom of a main shaft; the invention can utilize natural wind and the motor to drive the fan to rotate, quickly blow outdoor fresh air into the room, improve the comfort level of the indoor environment, simultaneously improve the quality of the blown air by filtering dust in the air, and the device has a self-cleaning effect and saves the cost of manual cleaning.
Description
Technical Field
The invention relates to the technical field of building ventilation, in particular to a ventilation energy-saving device for a green building.
Background
The building ventilation is divided into natural ventilation and mechanical ventilation, which means that dirty air in a building is directly or after being purified, discharged to the outside, and fresh air is supplemented, so that the indoor air environment is kept in accordance with the sanitary standard. The purpose is as follows: ensuring the removal of indoor pollutants; the heat comfort of indoor personnel is ensured; the requirement of indoor personnel on fresh air is met.
Many industrial plants, especially color steel plate buildings, have poor heat dissipation conditions and are sultry in summer, so that the working efficiency is low and the product quality is reduced. Common ventilation mode is for addding unpowered roof fan to realize taking a breath ventilation effect, but unpowered roof fan among the prior art still has following not enough when the in-service use:
the existing unpowered roof fan mainly depends on natural wind to realize rotation so as to achieve a ventilation effect, but the wind power of the natural wind is unstable, the ventilation effect is poor when the wind power is low, and in addition, the unpowered roof fan extracts and replaces air in a building, so that the freshness of indoor air cannot be rapidly updated, and the comfort level is poor, therefore, the invention provides the ventilation energy-saving equipment for the green building.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a ventilation energy-saving device for a green building.
In order to achieve the purpose, the invention adopts the following technical scheme:
a ventilation energy-saving device for a green building comprises a rotating pipe, wherein a plurality of fan blades are mounted on the outer surface of the rotating pipe, the rotating pipe is rotatably sleeved on the outer side of a fixed pipe, a bottom ring is mounted on the outer wall of the top end of the fixed pipe, a top plate is mounted on the bottom ring through a support rod and located above the fixed pipe and the rotating pipe, a mesh enclosure is mounted on the bottom wall of the top plate, a cleaning brush is arranged on the outer side wall of the mesh enclosure in a sliding mode, a fan is arranged inside the fixed pipe, and the fan is mounted at the bottom of a main shaft;
the upper side of the rotating pipe is provided with a first toothed ring through a first rack rod, the inner side of the first toothed ring is provided with a first gear meshed with the first toothed ring, the upper side of the first gear is provided with a second gear through a sub-shaft, the sub-shaft is linked with the main shaft through a linkage mechanism, the second gear is meshed with the second toothed ring, the center of the second toothed ring and the center of the first toothed ring are located on the same vertical line, the second toothed ring is slidably mounted with the bottom wall of the top plate, the lower side of the second toothed ring is provided with a lantern ring through a second rack rod, the lantern ring is located between the bottom of the mesh enclosure and the top of the rotating pipe, and the lantern ring is fixed with the cleaning brush.
Furthermore, the top of the main shaft is mounted with the driving end of the motor, and the top of the shell of the motor is fixedly mounted with the bottom wall of the top plate.
Furthermore, the linkage mechanism comprises a first driving wheel, the first driving wheel is installed on the sub-shaft, a second driving wheel is installed at the top of the main shaft, the first driving wheel and the second driving wheel are driven through a driving belt, and the top of the sub-shaft and the bottom wall of the top plate are rotatably installed.
Furthermore, a limiting ring is installed on the outer side wall of the bottom of the fixed pipe, and the bottom of the rotating pipe is connected with the limiting ring in a sliding mode.
Further, the bottom inboard of screen panel is equipped with the sealing ring, the outer wall of the lantern ring and the inner wall sliding contact of sealing ring, the inner wall of the lantern ring and the top outer wall sliding contact of rotating tube.
Further, the cleaning brush is a plurality of, every the bottom of cleaning brush all buckles to the downside of screen panel and with lantern ring fixed mounting.
Further, an annular slide rail is installed on the top wall of the second toothed ring, the vertical section of the annular slide rail is of a T-shaped structure, and a sliding groove matched with the annular slide rail is formed in the bottom wall of the top plate.
Further, the bottom of the main shaft extends to the inner side of the fixed pipe and is provided with a plurality of fans.
Compared with the prior art, the invention has the beneficial effects that:
1. the fan blade outside the natural wind driving device can be utilized, then the fan in the driving device rotates, and meanwhile the fan is matched with the motor for driving, the motor does not need to be started when natural wind power is enough, so that the energy consumption is reduced, when the wind power is small, the motor is driven for ventilation, and a ventilation mode of pressurizing the building indoor is adopted, so that fresh air is blown into the indoor more conveniently, and the comfort level of the indoor environment is quickly improved.
2. When fresh outdoor air is blown into the room, the invention can filter dust in the air, ensure the quality of the air blown into the room, and the device has a self-cleaning effect, thus avoiding the cost of manual cleaning.
In conclusion, the invention can utilize natural wind and the motor to drive the fan to rotate in a matched manner, so that outdoor fresh air can be quickly blown into the room, the comfort level of the indoor environment is improved, meanwhile, the quality of the blown air is improved by filtering dust in the air, and the device has a self-cleaning effect and avoids the cost of manual cleaning.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a schematic view of the overall structure of a ventilation energy-saving device for green buildings, which is provided by the invention;
FIG. 2 is a schematic exploded view of a ventilation energy-saving device for green buildings according to the present invention;
FIG. 3 is a schematic diagram of the transmission between the rotating tube and the fan according to the present invention;
FIG. 4 is a schematic view showing the driving of the cleaning brush according to the present invention;
FIG. 5 is a schematic view showing the linkage of the rotating pipe, the fan and the cleaning brush according to the present invention;
FIG. 6 is a schematic view of the mesh enclosure of the present invention;
FIG. 7 is a schematic view of the connection of the cleaning brush to the second ring gear of the present invention;
fig. 8 is a schematic view of the connection of the second gear ring with the top plate through the annular slide rail according to the present invention.
In the figure: the cleaning device comprises a bottom ring 1, a top plate 2, a support rod 3, a fixed pipe 4, a rotating pipe 5, fan blades 6, a mesh enclosure 7, a cleaning brush 8, a fan 9, a first rack rod 10, a first toothed ring 11, a first gear 12, a sub-shaft 13, a first transmission wheel 14, a second transmission wheel 15, a transmission belt 16, a motor 17, a main shaft 18, a second gear 19, a second toothed ring 20, a second rack rod 21, a lantern ring 22 and an annular sliding rail 23.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-8, a ventilation energy-saving device for green building includes a rotating tube 5, a plurality of fan blades 6 are installed on the outer surface of the rotating tube 5, the rotating tube 5 is rotatably sleeved on the outer side of a fixed tube 4, a limiting ring is installed on the outer side wall of the bottom of the fixed tube 4, and the bottom of the rotating tube 5 is slidably connected with the limiting ring.
Natural wind acts on the fan blades 6, thereby driving the rotary pipe 5 to rotate on the outer wall of the fixed pipe 4.
The outer wall of the top end of the fixed pipe 4 is provided with a bottom ring 1, the bottom ring 1 is used for installing the device on the top of a building, the bottom ring 1 is provided with a top plate 2 through a support rod 3, the top plate 2 is positioned above the fixed pipe 4 and the rotating pipe 5, the bottom wall of the top plate 2 is provided with a mesh enclosure 7, the outer side wall of the mesh enclosure 7 is provided with a cleaning brush 8 in a sliding mode, a fan 9 is arranged inside the fixed pipe 4, and the fan 9 is installed at the bottom of the main shaft 18; the bottom of the main shaft 18 extends to the inside of the fixed duct 4 and is mounted with a plurality of fans 9.
The top of the main shaft 18 is mounted with the driving end of the motor 17, and the top of the housing of the motor 17 is fixedly mounted with the bottom wall of the top plate 2. The motor 17 drives the main shaft 18 to control the rotation of the fan 9, thereby blowing the outdoor air into the room through the fixed duct 4.
A first gear ring 11 is mounted on the upper side of the rotating pipe 5 through a first rack rod 10, a first gear 12 meshed with the first gear ring 11 is arranged on the inner side of the first gear ring 11, a second gear 19 is mounted on the upper side of the first gear 12 through a sub-shaft 13, the sub-shaft 13 is linked with a main shaft 18 through a linkage mechanism, the linkage mechanism comprises a first transmission wheel 14, the first transmission wheel 14 is mounted on the sub-shaft 13, a second transmission wheel 15 is mounted at the top of the main shaft 18, the first transmission wheel 14 and the second transmission wheel 15 are transmitted through a transmission belt 16, and the top of the sub-shaft 13 and the bottom wall of the top plate 2 are rotatably mounted.
When the rotating pipe 5 rotates, the first rack bar 10 can drive the first gear ring 11 to rotate, the first gear ring 11 is meshed with the first gear 12, so that the sub-shaft 13 is controlled to rotate, the first driving wheel 14 and the second driving wheel 15 on the sub-shaft 13 are driven by the driving belt 16, so that the main shaft 18 is controlled to rotate, the fan 9 can rotate, and at the moment, the fan 9 is driven to rotate by natural wind, so that fresh air is blown into a room.
The second gear 19 is meshed with the second gear ring 20, the center of the second gear ring 20 and the center of the first gear ring 11 are located on the same vertical line, the second gear ring 20 and the bottom wall of the top plate 2 are installed in a sliding mode, the top wall of the second gear ring 20 is provided with an annular sliding rail 23, the vertical section of the annular sliding rail 23 is of a T-shaped structure, and the bottom wall of the top plate 2 is provided with a sliding groove matched with the annular sliding rail 23.
A lantern ring 22 is installed on the lower side of the second gear ring 20 through a second rack bar 21, the lantern ring 22 is located between the bottom of the mesh enclosure 7 and the top of the rotating pipe 5, and the lantern ring 22 is fixed with the cleaning brush 8.
When the sub-rod 13 rotates, the second gear 19 on the upper portion is meshed with the second gear ring 20 for transmission, the second rack rod 21 drives the lantern ring 22 to rotate, the lantern ring 22 controls the cleaning brush 8 to slide on the inner wall of the mesh enclosure 7, when external air enters the mesh enclosure 7, filtered dust is adsorbed on the outer wall of the mesh enclosure 7, the sliding cleaning brush 8 can remove the dust, the permeability of the mesh enclosure 7 is guaranteed, and air can normally pass through the mesh enclosure.
The bottom inboard of screen panel 7 is equipped with the sealing ring, the outer wall of the lantern ring 22 and the inner wall sliding contact of sealing ring, the inner wall of the lantern ring 22 and the top outer wall sliding contact of rotating tube 5.
The cleaning brush 8 is a plurality of, and the bottom of each cleaning brush 8 is all buckled to the downside of screen panel 7 and is fixed mounting with lantern ring 22. As shown in the drawings, the two cleaning brushes 8 are symmetrically disposed on the outer wall of the mesh enclosure 7, and can clean dust adsorbed on the mesh enclosure 7 during rotation.
The working principle and the using process of the invention are as follows:
when natural wind power is large, the rotating pipe 5 capable of blowing the fan blades 6 rotates outside the fixed pipe 4, meanwhile, the first rack rod 10 is used for driving the first gear ring 11 to rotate, the first gear ring 11 is meshed with the first gear 12, so that the sub-shaft 13 is controlled to rotate, the first driving wheel 14 and the second driving wheel 15 on the sub-shaft 13 are driven through the driving belt 16, the main shaft 18 is controlled to rotate, the fan 9 can rotate, and at the moment, the fan 9 is driven to rotate by utilizing natural wind, and fresh air is blown into a room.
When natural wind power is small, the motor 17 drives the rotating shaft 18 to rotate, and the fan 9 is controlled to rotate.
When fan 9, son pole 13 rotate, second gear 19 and the transmission of second ring gear 20 meshing drive, drive lantern ring 22 through second hack lever 21 and rotate, lantern ring 22 controls cleaning brush 8 again and slides at the inner wall of screen panel 7, and during outside air got into screen panel 7, filterable dust adsorbs at screen panel 7 outer wall, and gliding cleaning brush 8 can clear away the dust, guarantees the permeability of screen panel 7 for the air can normally pass.
Claims (8)
1. The utility model provides a green ventilation energy-saving equipment for building, includes rotating tube (5), its characterized in that, the surface mounting of rotating tube (5) has a plurality of flabellums (6), rotating tube (5) rotate the cover and establish in the outside of fixed pipe (4), bottom ring (1) is installed to the top outer wall of fixed pipe (4), roof (2) are installed through vaulting pole (3) to bottom ring (1), and roof (2) are located the top of fixed pipe (4) and rotating tube (5), screen panel (7) are installed to the diapire of roof (2), the lateral wall of screen panel (7) slides and is equipped with cleaning brush (8), the inside of fixed pipe (4) is equipped with fan (9), fan (9) are installed in the bottom of main shaft (18);
the utility model discloses a cleaning brush, including pivot pipe (5), first ring gear (11) are installed through first hack lever (10) to the upside of pivot pipe (5), the inboard of first ring gear (11) is equipped with first gear (12) rather than the meshing, second gear (19) are installed through sub-axle (13) to the upside of first gear (12), sub-axle (13) are through link gear and main shaft (18) linkage, second gear (19) and second ring gear (20) meshing, the diapire slidable mounting of second ring gear (20) and roof (2), lantern ring (22) are installed through second hack lever (21) to the downside of second ring gear (20), lantern ring (22) are located between the bottom of screen panel (7) and the top of pivot pipe (5), and lantern ring (22) are fixed with cleaning brush (8).
2. The ventilation energy-saving device for the green building is characterized in that the top of the main shaft (18) is mounted with the driving end of the motor (17), and the top of the shell of the motor (17) is fixedly mounted with the bottom wall of the top plate (2).
3. The ventilation energy-saving device for the green building as claimed in claim 1, wherein the linkage mechanism comprises a first driving wheel (14), the first driving wheel (14) is installed on a sub-shaft (13), a second driving wheel (15) is installed at the top of the main shaft (18), the first driving wheel (14) and the second driving wheel (15) are driven through a driving belt (16), and the top of the sub-shaft (13) is rotatably installed with the bottom wall of the top plate (2).
4. The ventilation energy-saving equipment for the green buildings is characterized in that a limiting ring is installed on the outer side wall of the bottom of the fixed pipe (4), and the bottom of the rotating pipe (5) is in sliding connection with the limiting ring.
5. The ventilation energy-saving equipment for the green buildings is characterized in that the inner side of the bottom of the mesh enclosure (7) is provided with a sealing ring, the outer wall of the lantern ring (22) is in sliding contact with the inner wall of the sealing ring, and the inner wall of the lantern ring (22) is in sliding contact with the outer wall of the top of the rotating pipe (5).
6. A green building ventilation energy-saving device according to claim 5, wherein the cleaning brushes (8) are multiple, and the bottom of each cleaning brush (8) is bent towards the lower side of the mesh enclosure (7) and is fixedly installed with the collar (22).
7. The ventilation energy-saving equipment for the green buildings according to any one of claims 1 to 6, wherein the top wall of the second toothed ring (20) is provided with an annular slide rail (23), the vertical section of the annular slide rail (23) is of a T-shaped structure, and the bottom wall of the top plate (2) is provided with a sliding groove matched with the annular slide rail (23).
8. A ventilation and energy saving device for green buildings according to claim 1, characterized in that the bottom of the main shaft (18) extends to the inner side of the fixed pipe (4) and is installed with a plurality of fans (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111596736.6A CN114234324A (en) | 2021-12-24 | 2021-12-24 | Ventilation energy-saving equipment for green building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111596736.6A CN114234324A (en) | 2021-12-24 | 2021-12-24 | Ventilation energy-saving equipment for green building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114234324A true CN114234324A (en) | 2022-03-25 |
Family
ID=80762533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111596736.6A Pending CN114234324A (en) | 2021-12-24 | 2021-12-24 | Ventilation energy-saving equipment for green building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114234324A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114963397A (en) * | 2022-07-29 | 2022-08-30 | 杭州圣久机械有限公司 | New forms of energy building ambient air purifier |
| CN116045409A (en) * | 2022-05-17 | 2023-05-02 | 河北建设集团股份有限公司 | Green ventilation energy-saving equipment for building |
| CN116972474A (en) * | 2023-09-06 | 2023-10-31 | 陕西理工大学 | Energy-saving ventilation device and ventilation method for green building |
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| CN206018909U (en) * | 2016-08-29 | 2017-03-15 | 山东国舜建设集团有限公司 | A kind of power house ventilation system |
| EP3239620A1 (en) * | 2016-04-28 | 2017-11-01 | Aereco | Air extraction fan with variable flow cross-section in case of fire |
| CN210135666U (en) * | 2019-06-19 | 2020-03-10 | 毛冬竹 | Ventilation and heat dissipation device for building energy conservation |
| CN210976119U (en) * | 2019-09-17 | 2020-07-10 | 成都艾珀耐特复合材料有限公司 | Ventilator with steel pipe framework |
| CN212563857U (en) * | 2020-07-16 | 2021-02-19 | 绍兴上虞广通风机有限公司 | Roof ventilator |
| CN212985551U (en) * | 2020-07-28 | 2021-04-16 | 浙江上虞凌风通风设备有限公司 | Axial-flow type roof fan |
| CN112833491A (en) * | 2021-01-11 | 2021-05-25 | 魏秀芹 | Building energy-saving roof ventilation device |
-
2021
- 2021-12-24 CN CN202111596736.6A patent/CN114234324A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3239620A1 (en) * | 2016-04-28 | 2017-11-01 | Aereco | Air extraction fan with variable flow cross-section in case of fire |
| CN206018909U (en) * | 2016-08-29 | 2017-03-15 | 山东国舜建设集团有限公司 | A kind of power house ventilation system |
| CN210135666U (en) * | 2019-06-19 | 2020-03-10 | 毛冬竹 | Ventilation and heat dissipation device for building energy conservation |
| CN210976119U (en) * | 2019-09-17 | 2020-07-10 | 成都艾珀耐特复合材料有限公司 | Ventilator with steel pipe framework |
| CN212563857U (en) * | 2020-07-16 | 2021-02-19 | 绍兴上虞广通风机有限公司 | Roof ventilator |
| CN212985551U (en) * | 2020-07-28 | 2021-04-16 | 浙江上虞凌风通风设备有限公司 | Axial-flow type roof fan |
| CN112833491A (en) * | 2021-01-11 | 2021-05-25 | 魏秀芹 | Building energy-saving roof ventilation device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116045409A (en) * | 2022-05-17 | 2023-05-02 | 河北建设集团股份有限公司 | Green ventilation energy-saving equipment for building |
| CN114963397A (en) * | 2022-07-29 | 2022-08-30 | 杭州圣久机械有限公司 | New forms of energy building ambient air purifier |
| CN114963397B (en) * | 2022-07-29 | 2023-05-30 | 杭州圣久机械有限公司 | New forms of energy building environment air purification device |
| CN116972474A (en) * | 2023-09-06 | 2023-10-31 | 陕西理工大学 | Energy-saving ventilation device and ventilation method for green building |
| CN116972474B (en) * | 2023-09-06 | 2024-03-26 | 陕西理工大学 | Energy-saving ventilation device and ventilation method for green building |
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| PB01 | Publication | ||
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Application publication date: 20220325 |