CN218473836U

CN218473836U - Plant disease prevention big-arch shelter

Info

Publication number: CN218473836U
Application number: CN202222676163.4U
Authority: CN
Inventors: 吴杰; 卞金祥; 朱秋明
Original assignee: Yangzhou Yadianna Horticultural Technology Development Co ltd
Current assignee: Yangzhou Yadianna Horticultural Technology Development Co ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-02-14
Anticipated expiration: 2032-10-11

Abstract

The application relates to a plant disease-prevention greenhouse, which is applied to the field of greenhouse technology and comprises a greenhouse body with an open top surface, a plastic film and an exhaust fan, wherein the side wall of the greenhouse body is provided with an exhaust hole, the exhaust fan is arranged in the exhaust hole, the back wall of the greenhouse body is provided with a top plate, and the plastic film covers the top surface of the greenhouse body and is connected with the top plate and two side walls of the greenhouse body; a plurality of air inlet holes are formed in the top plate, inlet sealing plates are arranged in the air inlet holes in a sliding mode, outlet sealing plates are arranged on the side walls of the shed body in a sliding mode, and the outlet sealing plates seal the air exhaust holes; the top plate is provided with a driving mechanism, the driving mechanism is provided with a transmission mechanism for driving the outlet sealing plate to slide, the driving mechanism is provided with a plurality of lifting mechanisms for driving the inlet sealing plate to lift, and the driving mechanism is used for driving the transmission mechanism and the lifting mechanisms. This application has the effect that improves the efficiency of big-arch shelter ventilation work.

Description

Plant disease prevention big-arch shelter

Technical Field

The application relates to the field of greenhouse technology, in particular to a plant disease prevention greenhouse.

Background

With the development of modern agriculture, the greenhouse is used more and more, and the greenhouse can be used for planting out off-season vegetables, cultivating flowers, trees and the like. However, in the process of cultivating plants in the greenhouse, diseases are frequent due to poor illumination, high humidity and the like, crops are damaged, and serious yield reduction is caused.

The greenhouse in the related art comprises a greenhouse body with an open top surface and a plastic film covering the top surface of the greenhouse body, wherein the greenhouse body comprises a rear wall arranged on the ground and side walls perpendicular to the two ends of the rear wall, the side walls are gradually inclined from one end of the rear wall to one end far away from the rear wall, and the plastic film is arranged on the rear wall and a pair of side walls. The side wall is hollowed to form a ventilation hole, the fan is installed in the ventilation hole, and even when the fan is in a stopped state, heat in the greenhouse can be dissipated out of the greenhouse at the fan, so that workers can lay cotton felts or cover heat preservation covers on the fan in winter to preserve heat of the greenhouse.

In view of the above related technologies, the inventor believes that before ventilation of the greenhouse in winter, workers need to move away the cotton felt or the heat preservation cover, then start the fan to ventilate the greenhouse, and reset the cotton felt or the heat preservation cover after ventilation is completed, which wastes time and labor, and results in low efficiency when the workers ventilate.

SUMMERY OF THE UTILITY MODEL

In order to improve the staff and carry out the big-arch shelter ventilation during operation winter, the problem that work efficiency is lower, this application provides a plant disease control big-arch shelter.

The application provides a plant disease prevention big-arch shelter adopts following technical scheme:

a plant disease prevention greenhouse comprises a greenhouse body with an open top surface, a plastic film and an exhaust fan, wherein the side walls of the greenhouse body are provided with exhaust holes, the exhaust fan is arranged in the exhaust holes, the rear wall of the greenhouse body is provided with a top plate, and the plastic film covers the top surface of the greenhouse body and is connected with the top plate and the two side walls of the greenhouse body;

a plurality of air inlet holes are formed in the top plate, inlet sealing plates are arranged in the air inlet holes in a sliding mode, outlet sealing plates are arranged on the side walls of the shed body in a sliding mode, and the outlet sealing plates seal the air exhaust holes; the top plate is provided with a driving mechanism, the driving mechanism is provided with a transmission mechanism for driving the outlet sealing plate to slide, the driving mechanism is provided with a plurality of lifting mechanisms for driving the inlet sealing plate to lift, and the driving mechanism is used for driving the transmission mechanism and the lifting mechanisms.

Through adopting above-mentioned technical scheme, seal the fresh air inlet through the import shrouding, export shrouding seals the hole of airing exhaust, can reduce the heat in the big-arch shelter and distribute away from the fresh air inlet with the hole of airing exhaust possibility, improve the heat preservation effect of big-arch shelter.

When the greenhouse needs to be ventilated, the lifting mechanism and the transmission mechanism are driven by the driving mechanism, the lifting mechanism drives the inlet sealing plate to open the air inlet hole, the transmission mechanism drives the outlet sealing plate to open the air exhaust hole, then the air exhaust fan is started, air with low humidity outside the greenhouse enters the greenhouse, air with high humidity inside the greenhouse is exhausted outside the greenhouse, and therefore the possibility that plant diseases are easily caused due to overhigh humidity inside the greenhouse is reduced. After ventilation is completed, the worker stops the exhaust fan and drives the inlet sealing plate and the outlet sealing plate to reset through the driving mechanism.

In addition, through setting up a plurality of fresh air inlets, can accelerate the ventilation speed of big-arch shelter, shorten the speed of whole ventilation process. And only need staff start-up actuating mechanism and exhaust fan among the whole ventilation process, compare in modes such as adopting cotton felt and heat preservation cover, can save staff's physical power, reduce work load to can improve the efficiency of ventilation work.

Optionally, the driving mechanism includes a driving motor, a rotating shaft, a driving gear disposed on an output shaft of the driving motor, and a driven gear disposed on the rotating shaft, a rack is disposed on the top plate, the driving motor is disposed on the rack, the rotating shaft is rotatably connected between two side walls of the canopy body, and the driving gear is engaged with the driven gear;

the transmission mechanism and the plurality of lifting mechanisms are arranged on the rotating shaft.

Through adopting above-mentioned technical scheme, rotate through driving motor drive driving gear, can drive driven gear and rotate, make the pivot rotate. The rotation of the rotating shaft can drive the lifting mechanism to act so as to enable the inlet sealing plate to seal or open the air inlet hole, and the rotation of the rotating shaft can drive the transmission assembly to act so as to enable the outlet sealing plate to seal or open the air outlet hole.

Optionally, the transmission mechanism includes a transmission assembly for driving the outlet sealing plate to ascend and a reset assembly for driving the outlet sealing plate to reset, one end of the transmission assembly is arranged on the rotating shaft, the other end of the transmission assembly is arranged on the outlet sealing plate, and the reset assembly is arranged on the side wall of the shed body.

Through adopting above-mentioned technical scheme, the pivot rotates the action of drive assembly, makes the export shrouding rise and opens the hole of airing exhaust, makes the higher air of humidity in the big-arch shelter can discharge through the hole of airing exhaust. After the ventilation is completed, the driving motor drives the rotating shaft to rotate reversely, the driving assembly is matched with the resetting assembly, the outlet sealing plate is reset, and the possibility that heat in the greenhouse is dissipated from the air exhaust hole is reduced.

Optionally, the transmission assembly includes a winding roller, a guide pulley, a rotating rod, and a pull rope, the winding roller is disposed on the rotating shaft, the rotating rod is disposed on the side wall of the canopy body, and the guide pulley is disposed on the rotating rod;

one end of the pull rope is arranged on the winding roller, the other end of the pull rope is arranged on the outlet sealing plate, and the pull rope is wound on the winding roller and is in lap joint with the guide pulley.

Through adopting above-mentioned technical scheme, when ventilating, driving motor drive pivot rotates and makes winding roller rolling stay cord, makes the stay cord can upwards promote the export shrouding under guide pulley's guiding action, opens the hole of airing exhaust. After ventilation is completed, the rotating shaft is driven to rotate reversely to release the pull rope, and the outlet sealing plate is driven to reset under the action of the resetting component, so that the possibility that heat in the greenhouse is dissipated from the air exhaust hole is reduced.

Optionally, the reset assembly includes a support plate disposed on a side wall of the canopy body and a spring disposed on the support plate, and one end of the spring, which is far away from the support plate, is disposed on the outlet sealing plate.

Through adopting above-mentioned technical scheme, compression spring when the export shrouding shifts up, after the ventilation is accomplished, the stay cord is released to the winding roller, can drive the export shrouding under the spring action of spring and reset.

Optionally, the lifting mechanism comprises a transmission gear, a rack and a mounting rack, the transmission gear is arranged on the rotating shaft, the mounting rack is arranged on the top plate, the rack is arranged on the mounting rack in a sliding manner, the rack is meshed with the transmission gear, and the rack is connected with the inlet sealing plate.

Through adopting above-mentioned technical scheme, when ventilating, driving motor drive pivot rotates, and the pivot drives drive gear and rotates, makes the rack drive the import shrouding and rises, opens the fresh air inlet. On the contrary, the rotating shaft is driven to rotate reversely, the transmission gear drives the rack to descend, and the air inlet hole is sealed.

Optionally, a filter screen is arranged on the bottom surface of the inlet sealing plate, and the filter screen is attached to the hole wall of the air inlet hole.

Through adopting above-mentioned technical scheme, filter the air that gets into in the big-arch shelter through the filter screen to can reduce the possibility that the debris outside the big-arch shelter gets into in the big-arch shelter through the fresh air inlet.

Optionally, be equipped with on the rack and be used for right the filter screen carries out clear stifled subassembly, clear stifled subassembly includes the threaded rod, clear stifled ring, elevator on the threaded rod, connect in clear connecting rod between stifled ring and the elevator and locate the brush hair on the clear stifled ring, the brush hair with the inner wall of filter screen laminates mutually, the one end of threaded rod is located on the export shrouding, the other end of threaded rod is located on the rack.

Through adopting above-mentioned technical scheme, after the filter screen used a period, the staff started driving motor earlier, made import shrouding and filter screen rise, then the staff twists the elevator, made the elevator drive clear stifled ring rise or descend, at the in-process that clear stifled ring rises or descends, the brush hair cleans the filter screen to reduce the filter screen and block up the possibility that makes the air inlet speed reduce.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the inlet sealing plate seals the air inlet holes, the outlet sealing plate seals the air outlet holes, the possibility that heat in the greenhouse is dissipated from the air inlet holes and the air outlet holes can be reduced, and the heat insulation effect of the greenhouse is improved;

2. in the whole ventilation process, workers only need to start or close the driving motor and the exhaust fan, and compared with the mode of adopting cotton felt, a heat preservation cover and the like, the labor intensity of the workers can be saved, the workload is reduced, and the ventilation efficiency can be improved;

3. the air entering the greenhouse is filtered through the filter screen, so that the possibility that sundries outside the greenhouse enter the greenhouse through the air inlet hole can be reduced.

Drawings

FIG. 1 is a schematic view of a plant disease prevention greenhouse in the embodiment of the present application.

FIG. 2 is a cross-sectional view of the plant disease prevention greenhouse with the plastic film removed in the embodiment of the present application.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is an enlarged view of a portion B in fig. 2.

Reference numerals: 1. a plastic film; 2. a shed body; 21. a rear wall; 22. a side wall; 221. an air exhaust hole; 222. a limiting dovetail groove; 23. a top plate; 231. an air inlet hole; 232. a yielding groove; 3. an outlet seal plate; 31. a limit Yan Weikuai; 4. an inlet seal plate; 5. filtering with a screen; 6. a drive mechanism; 61. a drive motor; 62. a rotating shaft; 63. a driving gear; 64. a driven gear; 7. a transmission mechanism; 71. a transmission assembly; 711. a winding roller; 712. a guide pulley; 713. a rotating rod; 714. pulling a rope; 72. a reset assembly; 721. a resisting plate; 722. a spring; 8. a lifting mechanism; 81. a transmission gear; 82. a rack; 83. a mounting frame; 9. clearing the blockage component; 91. a threaded rod; 92. clearing a blockage ring; 93. a lifting block; 94. a connecting rod; 95. brushing; 10. a frame; 11. an exhaust fan.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses plant disease prevention big-arch shelter. Referring to fig. 1, 2 and 3, the plant disease prevention greenhouse comprises a greenhouse body 2, a plastic film 1, a driving mechanism 6, a plurality of inlet seal plates 4, outlet seal plates 3, an exhaust fan 11, a filter screen 5, a blockage cleaning assembly 9 for cleaning the filter screen 5, a transmission mechanism 7 for driving the outlet seal plates 3 to slide, and a lifting mechanism 8 for driving the inlet seal plates 4 to lift. The shed body 2 comprises a rear wall 21, a top plate 23 and a pair of side walls 22, the rear wall 21 and the side walls 22 are both fixed on the ground, the rear wall 21 is located between the pair of side walls 22 and fixedly connected with the side walls 22, the top plate 23 is fixed on the rear wall 21 and arranged in parallel to the ground, the transparent plastic film 1 covers the top surface of the shed body 2 and is fixedly connected with the side walls 22 and the top plate 23, and plants are located in a space surrounded by the plastic film 1 and the top surface, the rear wall 21 and the side walls 22.

Referring to fig. 1 and 3, a plurality of air inlet holes 231 are formed in the top plate 23 along the length direction thereof, a relief groove 232 is formed in the periphery of the air inlet holes 231 along the upper edge of the top plate 23, and the inlet sealing plate 4 is arranged in the relief groove 232 to seal the air inlet holes 231, so that the possibility that heat in the greenhouse is dissipated from the air inlet holes 231 is reduced. The filter screen 5 is fixed on the bottom surface of the inlet seal plate 4, the peripheral wall of the filter screen 5 is attached to the hole wall of the air inlet 231, one end of the blockage removing component 9 is fixed on the inlet seal plate 4, the other end of the blockage removing component 9 is fixed on the lifting mechanism 8, the lifting mechanism 8 is driven by the driving mechanism 6, the blockage removing component 9 is lifted, the inlet seal plate 4 can be driven to ascend, the air inlet 231 is opened, and air with low humidity outside the greenhouse enters the greenhouse after being filtered by the filter screen 5.

The fresh air inlet 231 is equipped with a plurality ofly and is located the top of big-arch shelter, and the increase of fresh air inlet 231 can accelerate the ventilation speed of big-arch shelter on the one hand, shortens whole ventilation process's speed, and on the other hand is because fresh air inlet 231 is located the top, and the lower air of the temperature that gets into outside the big-arch shelter just can contact with the plant after with the higher air of temperature in the big-arch shelter after mixing to can reduce the possibility of plant frostbite. After ventilation is completed, the lifting mechanism 8 is driven to descend to reset the inlet sealing plate 4, and the air inlet hole 231 is sealed.

Referring to fig. 2, the driving mechanism 6 includes a driving motor 61, a rotating shaft 62, a driving gear 63 coaxially connected to an output shaft of the driving motor 61, and a driven gear 64 coaxially connected to the rotating shaft 62, the rotating shaft 62 is rotatably connected between the two side walls 22 of the canopy body 2, the top plate 23 is fixed to the frame 10 at a middle position thereof, the driving motor 61 is mounted on the frame 10, and the driving gear 63 is engaged with the driven gear 64. The driving motor 61 is activated to drive the driving gear 63 to rotate, so as to drive the driven gear 64 to rotate, thereby rotating the rotating shaft 62. Since the length of the rotating shaft 62 is long, the driven gear 64 is installed at the middle position of the rotating shaft 62, so that the driving motor 61 can drive the rotating shaft 62 to rotate more stably.

Referring to fig. 2, the lifting mechanism 8 and the air inlet 231 are arranged in a one-to-one correspondence manner, the lifting mechanism 8 includes a rack 82, a guide Yan Weikuai fixed on the rack 82, an installation frame 83 fixed on the top plate 23, and a transmission gear 81 coaxially connected to the rotating shaft 62, the transmission gear 81 is engaged with the rack 82, and one end of the rack 82 far away from the ground is fixedly connected with the blockage removing component 9. The mounting rack 83 is provided with a guide dovetail groove for the guide dovetail block to slide in a matching way, the guide Yan Weikuai is arranged in the guide dovetail groove, and the rack 82 can be lifted more stably by matching the guide dovetail block with the guide dovetail groove.

When ventilation is performed, the driving motor 61 is started to drive the rotating shaft 62 to rotate, the rotating shaft 62 drives the transmission gear 81 to rotate, the rack 82 drives the blockage removing component 9 and the inlet sealing plate 4 to ascend, the air inlet hole 231 is opened, and air with low humidity outside the greenhouse enters the greenhouse after being filtered by the filter screen 5. After ventilation is completed, the driving motor 61 is started to rotate reversely, so that the rotating shaft 62 drives the transmission gear 81 to rotate reversely, the rack 82 drives the blockage removing assembly 9 and the inlet sealing plate 4 to descend, and the air inlet hole 231 is sealed.

Referring to fig. 1 and 2, the side walls 22 are provided with air exhaust holes 221, in this embodiment, the two side walls 22 are provided with the air exhaust holes 221, the air exhaust fans 11 are installed in the air exhaust holes 221 in a one-to-one correspondence manner, and the number of the outlet sealing plates 3 and the number of the transmission mechanisms 7 are two for example and are arranged in a one-to-one correspondence manner with the air exhaust holes 221.

Referring to fig. 2 and 3, a pair of limiting Yan Weikuai is integrally formed on the outlet sealing plate 3, a pair of limiting dovetail grooves 222 for the limiting dovetail blocks 31 to slide in a matching manner are formed on the side wall 22, the limiting dovetail grooves 222 are perpendicular to the ground, and the limiting Yan Weikuai is correspondingly arranged in the limiting dovetail grooves 222 one by one. The outlet closing plate 3 can be lifted more stably by matching the limiting dovetail block 31 with the limiting dovetail groove 222.

Referring to fig. 2 and 4, the transmission mechanism 7 includes a transmission assembly 71 and a reset assembly 72 for driving the reset of the outlet sealing plate 3, the transmission assembly 71 includes a pull rope 714, a winding roller 711 coaxially connected to the rotating shaft 62, and a guide pulley 712 coaxially connected to the rotating rod 713 and rotatably connected to the rotating rod 713 on the side wall 22, and the guide pulley 712 is located right above the outlet sealing plate 3. One end of the pulling rope 714 is fixed on the winding roller 711, the other end of the pulling rope 714 is fixed on the top of the outlet sealing plate 3, and the pulling rope 714 is wound on the winding roller 711 and is overlapped on the guide pulley 712. When the rotation shaft 62 rotates to drive the rack 82 to ascend, the rotation shaft 62 rotates to enable the winding roller 711 to wind the pulling rope 714, and the pulling rope 714 can lift the outlet sealing plate 3 upwards under the guiding action of the guiding pulley 712 to open the air exhaust hole 221. The exhaust fan 11 is turned on to exhaust the air with high humidity in the greenhouse out of the greenhouse through the exhaust hole 221, so that the humidity in the greenhouse is reduced, and the possibility of plant diseases can be reduced.

Referring to fig. 2 and 4, the reset assembly 72 includes a resisting plate 721 and a spring 722, the resisting plate 721 is fixed on the sidewall 22 and located between the guiding pulley 712 and the outlet closing plate 3, and the pulling rope 714 slides through the resisting plate 721. The spring 722 is sleeved on the pulling rope 714, one end of the spring 722 is fixed on the resisting plate 721, and the other end of the spring 722 is fixed on the outlet closing plate 3. When the pulling rope 714 pulls the outlet sealing plate 3 to rise, the spring 722 is compressed, and after ventilation is completed, the driving motor 61 rotates reversely to drive the rotating shaft 62 to rotate reversely, so that the rack 82 drives the inlet sealing plate 4 to descend to seal the air inlet hole 231, the rotating shaft 62 drives the winding roller 711 to rotate reversely to release the pulling rope 714, the outlet sealing plate 3 is driven to reset under the elastic force of the spring 722 to seal the air outlet hole 221, and the possibility that heat in the greenhouse is dissipated from the air outlet hole 221 is reduced.

In the working process of whole ventilation work, the staff only needs to start driving motor 61, makes import shrouding 4 and export shrouding 3 open simultaneously, then starts exhaust fan 11, with the higher air of humidity in the big-arch shelter through the hole 221 discharge big-arch shelter of airing exhaust, in the lower air admission big-arch shelter of humidity outside making the big-arch shelter to humidity is too high in can reducing the big-arch shelter, arouses the possibility of plant disease easily. After the ventilation is finished, the worker closes the exhaust fan 11, starts the driving motor 61 to rotate reversely, resets the outlet sealing plate 3 and the inlet sealing plate 4, and keeps warm for the greenhouse. Compared with the mode of adopting cotton felt and heat preservation cover, the utility model can save the physical strength of the working personnel and reduce the workload, thereby improving the efficiency of the ventilation work.

Referring to fig. 2 and 3, the blockage removing assembly 9 comprises a threaded rod 91, a blockage removing ring 92, a lifting block 93 in threaded connection with the threaded rod 91, a connecting rod 94 connected between the blockage removing ring 92 and the lifting block 93, and bristles 95 bonded on the blockage removing ring 92, wherein the bristles 95 made of polypropylene are attached to the inner wall of the filter screen 5, one end of the threaded rod 91 is fixed on the outlet closing plate 3, and the other end of the threaded rod 91 is fixed on the rack 82. The filter screen 5 filters air entering the greenhouse, the filter screen 5 may be blocked by sundries after the filter screen 5 is used for a period of time, and workers regularly clear the filter screen 5.

When clearing blockage, a worker starts the driving motor 61 to enable the inlet sealing plate 4 and the filter screen 5 to ascend, then the worker twists and rotates the lifting block 93 to enable the lifting block 93 to drive the blockage clearing ring 92 to ascend or descend, and the bristles 95 clean the filter screen 5 in the ascending or descending process of the blockage clearing ring 92, so that the possibility that the filter screen 5 is blocked to reduce the air inlet speed can be reduced.

The implementation principle of the plant disease prevention greenhouse in the embodiment of the application is as follows: when ventilation needs to be performed on the greenhouse, a worker starts the driving motor 61 and the exhaust fan 11, the driving motor 61 drives the rotating shaft 62 to rotate, the rotating shaft 62 drives the transmission gear 81 to rotate, the rack 82 drives the threaded rod 91 and the inlet sealing plate 4 to ascend, the air inlet hole 231 is opened, and air with low humidity outside the greenhouse enters the greenhouse after being filtered by the filter screen 5. Meanwhile, the rotating shaft 62 rotates to enable the winding roller 711 to wind the pulling rope 714, so that the pulling rope 714 can lift the outlet sealing plate 3 upwards, the air exhaust hole 221 is opened, air with high humidity in the greenhouse is exhausted out of the greenhouse through the air exhaust hole 221, the humidity in the greenhouse is reduced, and the possibility of plant diseases can be reduced.

After ventilation is completed, the worker stops the exhaust fan 11 and starts the driving motor 61 to rotate reversely, so that the rotating shaft 62 drives the transmission gear 81 to rotate reversely, the rack 82 drives the threaded rod 91 and the inlet sealing plate 4 to descend, and the air inlet hole 231 is sealed. Meanwhile, the rotating shaft 62 drives the winding roller 711 to rotate reversely to release the pull rope 714, and the outlet sealing plate 3 is driven to reset under the elastic force of the spring 722 to seal the air exhaust hole 221, so that the possibility that heat in the greenhouse is dissipated from the air exhaust hole 221 is reduced.

In the whole working process of ventilation work, the staff only need start driving motor 61 and exhaust fan 11, make import shrouding 4 and export shrouding 3 open simultaneously, ventilate the big-arch shelter. After the ventilation is finished, the worker closes the exhaust fan 11, starts the driving motor 61 to rotate reversely, resets the outlet sealing plate 3 and the inlet sealing plate 4, and keeps warm for the greenhouse. Compare in modes such as adopting cotton felt and heat preservation cover, can save staff's physical power, reduce work load to can improve the efficiency of ventilation work.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a plant disease control big-arch shelter, includes the open canopy body of top surface (2), plastic film (1) and exhaust fan (11), has seted up on side wall (22) of the canopy body (2) hole (221) of airing exhaust, and exhaust fan (11) are located in hole (221) of airing exhaust, its characterized in that: a top plate (23) is arranged on a rear wall (21) of the shed body (2), and the plastic film (1) covers the top surface of the shed body (2) and is connected with the top plate (23) and two side walls (22) of the shed body (2);

a plurality of air inlet holes (231) are formed in the top plate (23), inlet seal plates (4) are arranged in the air inlet holes (231) in a sliding mode, outlet seal plates (3) are arranged on the side walls (22) of the shed body (2) in a sliding mode, and the outlet seal plates (3) seal the air exhaust holes (221); be equipped with actuating mechanism (6) on roof (23), be equipped with on actuating mechanism (6) and be used for the drive actuating mechanism (7) that export shrouding (3) slided, be equipped with a plurality of drives that are used for on actuating mechanism (6) elevating system (8) that import shrouding (4) go up and down, actuating mechanism (6) are used for the drive actuating mechanism (7) with elevating system (8).

2. The plant disease control greenhouse of claim 1, wherein: the driving mechanism (6) comprises a driving motor (61), a rotating shaft (62), a driving gear (63) arranged on an output shaft of the driving motor (61) and a driven gear (64) arranged on the rotating shaft (62), a rack (10) is arranged on the top plate (23), the driving motor (61) is arranged on the rack (10), the rotating shaft (62) is rotatably connected between the two side walls (22) of the shed body (2), and the driving gear (63) is meshed with the driven gear (64);

the transmission mechanism (7) and the plurality of lifting mechanisms (8) are arranged on the rotating shaft (62).

3. The plant disease-prevention greenhouse of claim 2, wherein: drive mechanism (7) are including being used for the drive export shrouding (3) transmission subassembly (71) that rises and be used for the drive export shrouding (3) reset subassembly (72) that resets, the one end of transmission subassembly (71) is located on pivot (62), the other end of transmission subassembly (71) is located on the export shrouding (3), reset subassembly (72) are located on side wall (22) of the canopy body (2).

4. The plant disease prevention greenhouse of claim 3, wherein: the transmission assembly (71) comprises a winding roller (711), a guide pulley (712), a rotating rod (713) and a pull rope (714), the winding roller (711) is arranged on the rotating shaft (62), the rotating rod (713) is arranged on the side wall (22) of the shed body (2), and the guide pulley (712) is arranged on the rotating rod (713);

one end of the pull rope (714) is arranged on the winding roller (711), the other end of the pull rope (714) is arranged on the outlet sealing plate (3), and the pull rope (714) is wound on the winding roller (711) and is lapped on the guide pulley (712).

5. The plant disease prevention greenhouse of claim 3, wherein: the reset assembly (72) comprises a resisting plate (721) arranged on the side wall (22) of the shed body (2) and a spring (722) arranged on the resisting plate (721), and one end, far away from the resisting plate (721), of the spring (722) is arranged on the outlet sealing plate (3).

6. The plant disease-prevention greenhouse of claim 2, wherein: elevating system (8) are including drive gear (81), rack (82) and mounting bracket (83), drive gear (81) are located on pivot (62), mounting bracket (83) are located on roof (23), rack (82) slide to be located on mounting bracket (83), rack (82) with drive gear (81) mesh mutually, rack (82) with import shrouding (4) are connected.

7. The plant disease control greenhouse of claim 6, wherein: be equipped with filter screen (5) on the bottom surface of import shrouding (4), filter screen (5) with the pore wall of fresh air inlet (231) is laminated mutually.

8. The plant disease control greenhouse of claim 7, wherein: be equipped with on rack (82) and be used for right filter screen (5) clear stifled subassembly (9), clear stifled subassembly (9) include threaded rod (91), clear stifled ring (92), elevator (93) of threaded connection on threaded rod (91), connect connecting rod (94) between clear stifled ring (92) and elevator (93) and locate brush hair (95) on clear stifled ring (92), brush hair (95) with the inner wall of filter screen (5) laminates mutually, the one end of threaded rod (91) is located on export shrouding (3), the other end of threaded rod (91) is located on rack (82).