CN220191624U - Sliding ventilation device of greenhouse - Google Patents
Sliding ventilation device of greenhouse Download PDFInfo
- Publication number
- CN220191624U CN220191624U CN202321766813.2U CN202321766813U CN220191624U CN 220191624 U CN220191624 U CN 220191624U CN 202321766813 U CN202321766813 U CN 202321766813U CN 220191624 U CN220191624 U CN 220191624U
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- China
- Prior art keywords
- greenhouse
- wet curtain
- curtain wall
- greenhouse body
- glass window
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- 238000009423 ventilation Methods 0.000 title claims abstract description 51
- 239000011521 glass Substances 0.000 claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000005507 spraying Methods 0.000 claims abstract 2
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 abstract description 5
- 239000007921 spray Substances 0.000 description 6
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000012010 growth Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 239000005648 plant growth regulator Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Landscapes
- Greenhouses (AREA)
Abstract
The utility model relates to the technical field of greenhouse ventilation and discloses a sliding ventilation device of a greenhouse, which comprises a greenhouse body, wherein a ventilation window is formed in one side wall of the greenhouse body, a fixed glass window and a movable glass window are arranged in the ventilation window, the top of the movable glass window is hinged to the greenhouse body, a fan wet curtain mechanism is arranged on the greenhouse body and comprises an axial flow negative pressure fan, a wet curtain wall and a sprinkler pipe, the wet curtain wall is arranged close to the movable glass window, the wet curtain wall and the movable glass window are oppositely arranged, the wet curtain wall is slidingly arranged on the greenhouse body, an axial flow negative pressure fan is arranged on the side surface of the greenhouse body opposite to the side surface provided with the wet curtain wall, the wet curtain wall and the sprinkler pipe are provided with freedom degrees of movement along the height direction of the greenhouse body, and one side of the sprinkler pipe close to the wet curtain wall is axially provided with a plurality of water spraying holes. Automatic window opening is used for ventilation, ventilation temperature can be reduced, temperature in a greenhouse can be reduced rapidly, and the effect of rapid cooling is achieved.
Description
Technical Field
The utility model relates to the technical field of greenhouse ventilation, in particular to a sliding ventilation device of a greenhouse.
Background
The greenhouse, also called greenhouse, is a room with cold-proof, heating and light-transmitting facilities for cultivating warm-loving plants in winter. In the season unsuitable for plant growth, the plant growth regulator can provide a growth period and increase yield, and is mostly used for plant cultivation or seedling raising of vegetables, fruits, flowers, trees and the like which are favored in low-temperature seasons. Glass greenhouses are greenhouses with glass as the main light-transmitting covering material. As the illumination intensity, the temperature and the humidity, the carbon dioxide concentration and the like of the greenhouse are controllable, the greenhouse is suitable for the growth of various plants in various seasons, so that the greenhouse becomes an indispensable facility for plant cultivation. Ventilation in the greenhouse is very important, on one hand, air exchange in the greenhouse is enhanced, oxygen content is improved, on the other hand, ventilation windows are arranged on the side face of the greenhouse generally, openable glass windows are arranged in the ventilation windows to realize ventilation, and the existing glass windows are opened by manual operation, so that the labor intensity is high, and the efficiency is low; secondly, the natural wind is used for ventilation, the temperature regulation effect in the greenhouse is poor, and the regulation speed is low.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a sliding ventilation device for a greenhouse, which can automatically open a window for ventilation, reduce ventilation temperature, accelerate the reduction of temperature in the greenhouse and achieve the effect of rapid cooling.
The aim of the utility model is realized by the following technical scheme: the utility model provides a ventilation unit slides of greenhouse, includes the greenhouse body, ventilation window has been seted up to one of them lateral wall of greenhouse body, be provided with fixed glass window and movable glass window in the ventilation window, fixed glass window fixed connection the greenhouse body, and be located the below of movable glass window, the top of movable glass window articulates on the greenhouse body, be provided with the wet curtain mechanism of fan on the greenhouse body, the wet curtain mechanism of fan includes axial compressor negative pressure fan, wet curtain wall and sprinkler pipe, the wet curtain wall is close to the movable glass window setting, the wet curtain wall with movable glass window sets up relatively, the wet curtain wall slides and sets up on the greenhouse body, the wet curtain wall has the degree of freedom that moves along the greenhouse body direction of height, the greenhouse body is installed with the side that is equipped with the wet curtain wall is relative the axial compressor negative pressure fan, the sprinkler pipe is located between wet curtain wall and the axial compressor negative pressure machine, the wet curtain pipe has the degree of freedom that moves along the greenhouse body direction of height, the water pipe is close to the one side of the wet curtain wall has offered a plurality of water spray holes along self-body axial direction;
the greenhouse is characterized in that a long main shaft is rotatably arranged on the greenhouse body, a plurality of gears are uniformly sleeved on the long main shaft, arc racks are meshed with the gears, one ends of the arc racks are connected with the movable end of the movable glass window, and the radius of the arc racks is equal to the rotation radius of the movable glass window.
In some embodiments, a transmission gear is sleeved on the long main shaft, a speed reduction motor is installed on the greenhouse body, and a driving gear is arranged on an output shaft of the speed reduction motor and meshed with the transmission gear.
In some embodiments, each gear is correspondingly provided with a U-shaped limiting frame, a U-shaped opening of the U-shaped limiting frame is upwards fixed on the greenhouse body, the U-shaped limiting frame is in clearance fit on the long main shaft, the gears are positioned in the U-shaped openings of the U-shaped limiting frames, the arc-shaped racks are meshed below the gears, the arc-shaped racks are in sliding contact with the inner bottom wall of the U-shaped limiting frames, the shape of the inner bottom wall of the U-shaped limiting frame is arc-shaped, and the radius of the inner bottom wall of the U-shaped limiting frame is equal to the rotation radius of the movable glass window.
In some embodiments, a plurality of support columns are fixed at equal intervals in the greenhouse body along the axial direction of the sprinkler pipe, a vertical rack is arranged on one side, close to the long main shaft, of the support columns in a sliding mode, a cylindrical gear is meshed with the vertical rack, the cylindrical gear is sleeved on the long main shaft, an L-shaped mounting plate is fixed at the top of the vertical rack, and the sprinkler pipe is mounted on the L-shaped mounting plate.
In some embodiments, the inner side wall of the U-shaped limiting frame is provided with a positioning rod in a sliding manner, the side wall of the arc-shaped rack is provided with a positioning hole, and when the movable glass window deflects outwards to enable the ventilation window to be opened, the end part of the positioning rod is fit in the positioning hole.
In some embodiments, an electric push rod is arranged on the outer side wall of the U-shaped limiting frame, and a telescopic shaft of the electric push rod movably penetrates through the U-shaped limiting frame to be connected with the positioning rod.
In some embodiments, a linear driving device is connected to the bottom of the wet curtain wall, the linear driving device is arranged vertically, and a telescopic shaft of the linear driving device is connected with the wet curtain wall.
The beneficial effects of the utility model are as follows:
1. the long main shaft drives the gear on the long main shaft to rotate, and the gear drives the arc-shaped rack to move, so that the arc-shaped rack supports the movable glass window to deflect, and an air inlet space is formed between the movable glass window and the greenhouse body, so that the automatic window opening is ventilated, manual operation is omitted, and the labor intensity and labor cost are reduced.
2. When the temperature in the greenhouse needs to be reduced, the wet curtain wall moves to the position opposite to the movable glass window, the sprinkler pipe sprays water on the wet curtain wall to wet the wet curtain wall, wind entering the greenhouse body needs to pass through the wet curtain wall firstly, so that the ventilation temperature is reduced through the wet curtain wall, the temperature in the greenhouse is reduced in an accelerating way, and the effect of rapid cooling is achieved.
Drawings
FIG. 1 is a schematic diagram of a sliding ventilation device of a greenhouse according to the present utility model;
FIG. 2 is a schematic view of a part of a sliding ventilation device of a greenhouse according to the present utility model;
FIG. 3 is an enlarged view of FIG. 1 at B;
FIG. 4 is an enlarged view of FIG. 2 at A;
FIG. 5 is a top view of a slip ventilator of a greenhouse of the present utility model;
FIG. 6 is an enlarged view of FIG. 5 at C;
in the figure, a greenhouse body, a 2-ventilation window, a 3-axial flow negative pressure fan, a 4-wet curtain wall, a 5-sprinkling pipe, a 6-long main shaft, a 7-gear, an 8-arc-shaped rack, a 9-fixed glass window, a 10-movable glass window, a 11-transmission gear, a 12-gear motor, a 13-driving gear, a 14-U-shaped limiting frame, a 15-supporting column, a 16-vertical rack, a 17-cylindrical gear, an 18-L-shaped mounting plate, a 19-positioning rod and a 20-electric push rod.
Detailed Description
The technical solution of the present utility model will be described in further detail with reference to the accompanying drawings, but the scope of the present utility model is not limited to the following description.
As shown in fig. 1 to 6, a sliding ventilation device of a greenhouse comprises a greenhouse body 1, wherein a ventilation window 2 is formed in one side wall of the greenhouse body 1, a fixed glass window 9 and a movable glass window 10 are arranged in the ventilation window 2, the fixed glass window 9 is fixedly connected with the greenhouse body 1 and is positioned below the movable glass window 10, the top of the movable glass window 10 is hinged on the greenhouse body 1, a fan wet curtain mechanism is arranged on the greenhouse body 1, the fan wet curtain mechanism comprises an axial flow negative pressure fan 3, a wet curtain wall 4 and a sprinkling pipe 5, the wet curtain wall 4 is arranged close to the movable glass window 10, the wet curtain wall 4 is arranged opposite to the movable glass window 10, the wet curtain wall 4 is arranged on the greenhouse body 1 in a sliding manner, the wet curtain wall 4 has a degree of freedom of moving along the height direction of the greenhouse body 1, the sprinkling pipe 5 is positioned between the wet curtain wall 4 and the axial flow negative pressure fan 3, the sprinkling pipe 5 has a degree of freedom of moving along the height direction of the greenhouse body 1, one side of the water pipe 5 close to the wet curtain wall 4 is provided with a plurality of holes along the axial flow negative pressure fan 4, when the sprinkling pipe 4 is arranged along the axial direction of the body and needs to be in a plurality of holes to be opposite to the movable curtain wall 4, and the air is required to be quickly exchanged with the movable curtain wall 4, the air is prevented from flowing into the greenhouse body 4, the air is required to be directly opposite to the air ventilation wall 1, and the air is prevented from flowing inside the air, the air ventilation window is arranged inside and the greenhouse is directly opposite to the air, and the air ventilation window is directly opposite to the air, and has a ventilation window, and has a ventilation effect, and a ventilation window and a ventilation window; when the temperature in the greenhouse body 1 needs to be quickly cooled in summer, the wet curtain wall 4 moves upwards, so that the wet curtain wall 4 is opposite to the movable glass window 10, the sprinkler pipe 5 sprays water on the wet curtain wall 4 to wet the wet curtain wall 4, wind entering the greenhouse body 1 needs to pass through the wet curtain wall 4 first, the ventilation temperature is reduced through the wet curtain wall 4, the temperature in the greenhouse is accelerated to be reduced, and the effect of quick cooling is achieved. In specific implementation, the bottom of the wet curtain wall 4 is connected with linear driving equipment, the linear driving equipment is vertically arranged, a telescopic shaft arranged in a linear driving mode is connected with the wet curtain wall 4, and the linear driving equipment can adopt a linear motor or a hydraulic cylinder.
In some embodiments, as shown in fig. 1 and 3, a long spindle 6 is rotatably arranged on a greenhouse body 1, a plurality of gears 7 are uniformly sleeved on the long spindle 6, the gears 7 are meshed with arc racks 8, one ends of the arc racks 8 are connected with movable ends of movable glass windows 10, the radius of the arc racks 8 is equal to the rotation radius of the movable glass windows 10, a transmission gear 11 is sleeved on the long spindle 6, a gear motor 12 is arranged on the greenhouse body 1, an output shaft of the gear motor 12 is provided with a driving gear 13, the driving gear 13 is meshed with the transmission gear 11, the gear motor 12 drives the long spindle 6 to rotate through the meshing of the driving gear 13 and the transmission gear 11, the long spindle 6 drives the gears 7 on the long spindle to rotate, the gears 7 drive the arc racks 8 to move, the arc racks 8 support the movable glass windows 10 to deflect, an air inlet space is formed between the movable glass windows 10 and the greenhouse body 1, manual operation is omitted, and manual labor intensity and labor cost are reduced.
In some embodiments, as shown in fig. 3, each gear 7 is correspondingly provided with a U-shaped limiting frame 14, the U-shaped opening of the U-shaped limiting frame 14 is upwards fixed on the greenhouse body 1, the U-shaped limiting frame 14 is sleeved on the long spindle 6 in a clearance manner, the gear 7 is positioned in the U-shaped opening of the U-shaped limiting frame 14, the arc-shaped rack 8 is meshed below the gear 7, the arc-shaped rack 8 is in sliding contact with the inner bottom wall of the U-shaped limiting frame 14, the shape of the inner bottom wall of the U-shaped limiting frame 14 is arc-shaped, the radius is equal to the rotation radius of the movable glass window 10, the movement direction of the arc-shaped rack 8 is limited by the U-shaped limiting frame 14, the arc-shaped rack 8 is always stably meshed with the gear 7, and the movement of the arc-shaped rack 8 is ensured to be arc-shaped, so that the deflection of the movable glass window 10 is stably controlled.
In some embodiments, as shown in fig. 1 to 4, a plurality of support columns 15 are fixed in the greenhouse body 1 at equal intervals along the axial direction of the sprinkler pipe 5, one side, close to the long main shaft 6, of each support column 15 is provided with a vertical rack 16 in a sliding manner, each vertical rack 16 is meshed with a cylindrical gear 17, each cylindrical gear 17 is sleeved on the long main shaft 6, the top of each vertical rack 16 is fixedly provided with an L-shaped mounting plate 18, the sprinkler pipe 5 is mounted on the L-shaped mounting plate 18, the long main shaft 6 also drives the cylindrical gear 17 to rotate in the rotating process, the cylindrical gear 17 drives the vertical racks 16 to move up and down, and the sprinkler pipe 5 on the vertical racks 16 is driven to move up and down, so that the sprinkler pipe 5 uniformly sprinkles water on the wet curtain wall 4, and the deflection of the movable glass window 10 and the up and down movement of the sprinkler pipe 5 are simultaneously controlled through one driving device, so that the configuration number of power sources is reduced, and the cost is reduced; it should be noted that when the fan wet curtain mechanism needs to be started for cooling, the movable glass window 10 needs to be opened for air intake, so that a driving device is arranged to synchronously drive the movable glass window 10 to deflect and the sprinkler pipe 5 to move upwards, when the movable glass window 10 is completely opened, the sprinkler pipe 5 moves to the highest position, so that the sprinkler pipe 5 sprays cold water from bottom to top to the wet curtain wall 4, at the moment, the gear motor 12 stops, the movable glass window 10 keeps the opened position, the sprinkler pipe 5 is positioned at the highest position and continuously sprays water to the wet curtain wall 4, when the indoor temperature regulation is completed and an air intake space needs to be closed, the gear motor 12 reverses, and meanwhile, the movable glass window 10 and the sprinkler pipe 5 are driven to reset for waiting for the next regulation action; secondly, when single air inlet is needed to ventilate the interior of the greenhouse, the valve on the sprinkler pipe 5 is closed, the wet curtain wall 4 moves to the lowest position, and the sprinkler pipe 5 moves along with the movement of the movable glass window 5 but does not spray water outwards, so that the effect of single ventilation is realized.
In some embodiments, as shown in fig. 5 and 6, the inner side wall of the U-shaped limiting frame 14 is provided with a positioning rod 19 in a sliding manner, the side wall of the arc-shaped rack 8 is provided with a positioning hole, when the movable glass window 10 deflects outwards to open the ventilation window 2, the end part of the positioning rod 19 is adapted in the positioning hole, the outer side wall of the U-shaped limiting frame 14 is provided with an electric push rod 20, a telescopic shaft of the electric push rod 20 movably penetrates through the U-shaped limiting frame 14 to connect the positioning rod 19, after the movable glass window 10 deflects to the maximum position, the positioning hole is positioned on the moving path of the positioning rod 19, at this time, the electric push rod 20 stretches to push the positioning rod 19 into the positioning hole, so that the position of the arc-shaped rack 8 is locked through the adaptation of the positioning rod 19 and the positioning hole, the movable glass window 10 is locked in the ventilation position, and the ventilation stability is ensured.
In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model; and those of ordinary skill in the art will appreciate that the benefits achieved by the present utility model are merely better than those achieved by the current embodiments of the prior art in certain circumstances and are not intended to be the most excellent uses directly in the industry.
The foregoing is merely a preferred embodiment of the utility model, and it is to be understood that the utility model is not limited to the form disclosed herein but is not to be construed as excluding other embodiments, but is capable of numerous other combinations, modifications and environments and is capable of modifications within the scope of the inventive concept, either as taught or as a matter of routine skill or knowledge in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.
Claims (7)
1. The utility model provides a greenhouse slide ventilation unit, its characterized in that includes greenhouse body (1), ventilation window (2) have been seted up to one of them lateral wall of greenhouse body (1), be provided with fixed glass window (9) and movable glass window (10) in ventilation window (2), fixed glass window (9) fixed connection greenhouse body (1) to be located the below of movable glass window (10), the top of movable glass window (10) articulates on greenhouse body (1), be provided with fan wet curtain mechanism on greenhouse body (1), fan wet curtain mechanism includes axial compressor negative pressure fan (3), wet curtain wall (4) and sprinkler pipe (5), wet curtain wall (4) are close to movable glass window (10) set up, wet curtain wall (4) with movable glass window (10) set up relatively, wet curtain wall (4) are slided and are set up on greenhouse body (1), wet curtain wall (4) have along greenhouse body (1) high degree of freedom of movement is in the top, wet curtain wall (4) are provided with axial compressor negative pressure fan (3) and sprinkler pipe (5) are located between the axial compressor fan (4) and the axial compressor fan (3), the sprinkling pipe (5) has the freedom degree of moving along the height direction of the greenhouse body (1), and a plurality of water spraying holes are formed in the side, close to the wet curtain wall (4), of the sprinkling pipe (5) along the axial direction of the sprinkling pipe;
the greenhouse is characterized in that a long main shaft (6) is rotatably arranged on the greenhouse body (1), a plurality of gears (7) are uniformly sleeved on the long main shaft (6), the gears (7) are meshed with arc racks (8), one ends of the arc racks (8) are connected with movable ends of the movable glass windows (10), and the radius of the arc racks (8) is equal to the rotation radius of the movable glass windows (10).
2. The slippage ventilation device of a greenhouse according to claim 1, characterized in that a transmission gear (11) is sleeved on the long main shaft (6), a gear motor (12) is installed on the greenhouse body (1), a driving gear (13) is arranged on an output shaft of the gear motor (12), and the driving gear (13) is meshed with the transmission gear (11).
3. The sliding ventilation device of a greenhouse according to claim 2, characterized in that each gear (7) is correspondingly provided with a U-shaped limiting frame (14), a U-shaped opening of the U-shaped limiting frame (14) is upwards fixed on the greenhouse body (1), the U-shaped limiting frame (14) is sleeved on the long main shaft (6) in a clearance mode, the gears (7) are located in the U-shaped opening of the U-shaped limiting frame (14), the arc-shaped racks (8) are meshed below the gears (7), the arc-shaped racks (8) are in sliding contact with the inner bottom wall of the U-shaped limiting frame (14), and the inner bottom wall of the U-shaped limiting frame (14) is arc-shaped and has a radius equal to the rotation radius of the movable glass window (10).
4. A sliding ventilation device for a greenhouse according to claim 3, characterized in that a plurality of support columns (15) are fixed in the greenhouse body (1) at equal intervals along the axial direction of the sprinkler pipe (5), one side of the support column (15) close to the long main shaft (6) is provided with a vertical rack (16) in a sliding mode, the vertical rack (16) is meshed with a cylindrical gear (17), the cylindrical gear (17) is sleeved on the long main shaft (6), an L-shaped mounting plate (18) is fixed at the top of the vertical rack (16), and the sprinkler pipe (5) is mounted on the L-shaped mounting plate (18).
5. The sliding ventilation device of a greenhouse according to claim 4, characterized in that the inner side wall of the U-shaped limiting frame (14) is provided with a positioning rod (19) in a sliding manner, the side wall of the arc-shaped rack (8) is provided with a positioning hole, and when the movable glass window (10) deflects outwards to enable the ventilation window (2) to be opened, the end part of the positioning rod (19) is adapted to the positioning hole.
6. The sliding ventilation device of a greenhouse according to claim 5, wherein an electric push rod (20) is arranged on the outer side wall of the U-shaped limiting frame (14), and a telescopic shaft of the electric push rod (20) movably penetrates through the U-shaped limiting frame (14) to be connected with the positioning rod (19).
7. A sliding ventilation device for greenhouses according to claim 1, characterized in that the bottom of the wet curtain wall (4) is connected with a linear driving device, the linear driving device is arranged vertically, and a telescopic shaft of the linear driving device is connected with the wet curtain wall (4).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321766813.2U CN220191624U (en) | 2023-07-06 | 2023-07-06 | Sliding ventilation device of greenhouse |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321766813.2U CN220191624U (en) | 2023-07-06 | 2023-07-06 | Sliding ventilation device of greenhouse |
Publications (1)
Publication Number | Publication Date |
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CN220191624U true CN220191624U (en) | 2023-12-19 |
Family
ID=89153743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321766813.2U Active CN220191624U (en) | 2023-07-06 | 2023-07-06 | Sliding ventilation device of greenhouse |
Country Status (1)
Country | Link |
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CN (1) | CN220191624U (en) |
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2023
- 2023-07-06 CN CN202321766813.2U patent/CN220191624U/en active Active
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