CN216650705U

CN216650705U - Vegetable ventilation device

Info

Publication number: CN216650705U
Application number: CN202122146746.1U
Authority: CN
Inventors: 何文平
Original assignee: Changsha Wangcheng Greenland Ecological Farm Co ltd
Current assignee: Changsha Wangcheng Greenland Ecological Farm Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-06-03
Anticipated expiration: 2031-09-07

Abstract

The utility model relates to the technical field of greenhouse vegetables, in particular to a vegetable ventilation device which comprises a first greenhouse wall and a second greenhouse wall, wherein a plurality of uniformly distributed air inlet structures are arranged on the second greenhouse wall, each air inlet structure comprises an air inlet frame body and a plurality of guide plates, the air inlet frame bodies are fixedly embedded on the side surface of the second greenhouse wall, the guide plates are fixedly connected with the side walls of the air inlet frame bodies, the guide plates incline to the top of an inner cavity of a greenhouse, and an exhaust structure is arranged on the first greenhouse wall. The utility model overcomes the defects of the prior art, the movable fans are driven to move along the long edge direction of the greenhouse through the servo motor, hot air in the greenhouse is gradually replaced, fresh cold air can be heated in a short time after entering the greenhouse, the temperature in the greenhouse cannot be too low, and the problems that various diseases are caused by the too low temperature in the greenhouse in low-temperature seasons due to the fact that a plurality of fans are installed in the ventilation device of some vegetable greenhouses are solved.

Description

Vegetable ventilation device

Technical Field

The utility model relates to the technical field of greenhouse vegetables, in particular to a vegetable ventilation device.

Background

The ventilation device of the vegetable greenhouse generally ventilates through a negative-pressure motor, the fan blades are driven by the motor to rotate so as to convert electric energy into mechanical kinetic energy, and air in the greenhouse is forced to flow in a convection manner, so that negative-pressure ventilation is performed.

In order to make the ventilation in the greenhouse more sufficient, some ventilation devices of vegetable greenhouses are provided with a plurality of fans, and in low-temperature seasons, for vegetable greenhouses such as cucumbers, loofahs and the like which need to grow at high temperature, the temperature in the greenhouse is easy to be too low, and various diseases are caused, so that a vegetable ventilation device is needed to be provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a vegetable ventilation device, which overcomes the defects of the prior art and aims to solve the problem that the ventilation device of some vegetable greenhouses is provided with a plurality of fans, and various diseases are easily caused by too low temperature in the greenhouses, such as cucumbers, loofahs and the like, which need to grow at higher temperature in low-temperature seasons.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a vegetable ventilation device, includes first canopy wall and second canopy wall, be provided with a plurality of evenly distributed's inlet structure on the second canopy wall, the inlet structure is including frame and a plurality of guide plate of admitting air, the frame that admits air inlays admits air, and admits air and all with the lateral wall fixed connection of frame, just the guide plate slope is towards the inner chamber top of big-arch shelter, be provided with exhaust structure on the first canopy wall, exhaust structure includes exhaust frame and movable fan, the exhaust frame inlays admits air the side of wall admits air, the inside wall rotation of exhaust frame is connected with the lead screw, another inside wall fixed mounting of exhaust frame has servo motor, just servo motor's air output and lead screw fixed connection, movable fan sliding connection is in the inside of exhaust frame and with lead screw threaded connection.

In a preferred embodiment of the present invention, the air exhaust structure is near the top of the first shed wall, and the air intake structure is near the bottom of the first shed wall.

As a preferable technical scheme of the utility model, the top of the movable fan is fixedly provided with a threaded seat, and the threaded seat is in threaded connection with the screw rod.

As a preferred technical scheme of the utility model, the bottom of the movable fan is fixedly provided with a sliding seat which is movably sleeved on the peripheral side surface of the guide rod.

In a preferred embodiment of the present invention, a second cover is disposed on a side of the exhaust frame body away from the air intake structure, and a first cover is disposed on a side of the air intake frame body away from the exhaust structure.

As a preferable aspect of the present invention, the air intake frame body is provided with a first protective net near an inner wall of the first cover body, and the first protective net is detachably connected to the air intake frame body.

As a preferable aspect of the present invention, a second protective net is provided on an inner wall of the exhaust frame body adjacent to the second cover body, and the second protective net is detachably connected to the exhaust frame body.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model adopts the matching among the movable fan, the servo motor, the screw rod and the sliding seat, drives the screw rod to rotate through the output end of the servo motor, enables the movable fan to move along the long edge direction of the greenhouse, gradually replaces hot air in the greenhouse, and because the replacement is gradually carried out, fresh cold air can be heated in a short time after entering the greenhouse, the temperature in the greenhouse cannot be too low, thereby solving the problem that the temperature in the greenhouse is too low to cause various diseases for the vegetable greenhouse such as cucumbers, loofahs and the like needing to grow at higher temperature in low-temperature seasons when a plurality of fans are installed on the ventilation device of the vegetable greenhouse.

2. The utility model adopts the matching among the air inlet frame body, the first cover body, the guide plate and the first protective net, when outside cold air enters the greenhouse, the guide plate can guide the cold air flow, so that the phenomena of dry edges of vegetable blades, chapped skin of fruits and the like caused by drastic changes of the temperature and the humidity of the surfaces of the vegetables and fruits due to the fact that the cold air is directly blown onto the vegetables can be effectively avoided, and meanwhile, weeds, dust and the like on the straw curtain outside the greenhouse can be effectively prevented from entering the greenhouse and falling onto the blades of plants to influence the photosynthesis of the vegetables.

Drawings

FIG. 1 is an elevational view of the overall construction of the present invention;

FIG. 2 is a structural side view of the venting structure of the present invention;

FIG. 3 is a structural elevation view of the venting structure of the present invention;

fig. 4 is a structural front view of the air intake structure of the present invention.

In the figure: 1. a first shed wall; 2. a second shed wall; 3. an air intake structure; 31. an air intake frame; 311. a first cover body; 312. a first protection net; 32. a baffle; 4. an exhaust structure; 41. an exhaust frame body; 411. a second cover body; 412. a second protective net; 42. a movable fan; 421. a servo motor; 422. a screw rod; 423. a threaded seat; 424. a guide bar; 425. a sliding seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, a vegetable ventilation device includes a first wall 1 and a second wall 2 opposite to the first wall 1, the second wall 2 is provided with a plurality of air inlet structures 3 capable of allowing external air to enter a greenhouse, the plurality of air inlet structures 3 are uniformly distributed along a long side direction of the second wall 2, so that hot air in the greenhouse can be uniformly replaced, and the first wall 1 is provided with an exhaust structure 4 capable of exhausting air in the greenhouse.

Referring to fig. 3, the air inlet structure 3 includes an air inlet frame 31 and a plurality of air deflectors 32, the air inlet frame 31 is fixedly embedded on the side surface of the second wall 2, the inside and the outside of the greenhouse are communicated with each other through the air inlet frame 31, the air deflectors 32 are vertically and uniformly distributed and are fixedly connected with the side wall of the air inlet frame 31, the air deflectors 32 are inclined towards the top of the inner cavity of the greenhouse, when external cold air enters the greenhouse, the air deflectors 32 can guide the cold air flow, and the phenomena of dry edges of vegetable leaves, chapped skin of fruits and the like caused by drastic changes of the temperature and the humidity of the surfaces of the vegetables and fruits due to the direct blowing of the cold air onto the vegetables can be effectively avoided.

Referring to fig. 3, the inner wall of the air intake frame 31 close to the first cover 311 is provided with a first protection net 312, which can effectively prevent weeds, dust and the like on the straw curtain outside the greenhouse from entering the greenhouse and falling onto the leaves of plants to affect the photosynthesis of vegetables, and the first protection net 312 is detachably connected with the air intake frame 31, so that the cleaning and replacement of workers can be facilitated.

Referring to fig. 2, the exhaust structure 4 includes an exhaust frame 41 and a movable fan 42 movable in the exhaust frame 41, the exhaust frame 41 is fixedly embedded on the side of the first wall 1, the interior of the greenhouse is connected through the exhaust frame 41, the inner sidewall of the exhaust frame 41 is rotatably connected to a screw rod 422 parallel to the long side direction of the greenhouse, a servo motor 421 is fixedly installed on the other inner sidewall of the exhaust frame 41, the output end of the servo motor 421 is fixedly connected to the screw rod 422, the output end of the servo motor 421 can drive the screw rod 422 to rotate when rotating, the movable fan 42 is slidably connected to the interior of the exhaust frame 41 and is in threaded connection with the screw rod 422, and further the screw rod 422 can drive the movable fan 42 to move along the long side direction of the greenhouse when rotating, so as to gradually displace hot air in the greenhouse, and because the fresh cold air gradually enters the greenhouse, the temperature can be raised in a short time, the temperature in the greenhouse can not be too low, and various diseases of the vegetables caused by too low temperature are effectively prevented.

Specifically, referring to fig. 2, a threaded base 423 is fixedly mounted at the top of the movable fan 42, the movable fan 42 is in threaded connection with the screw rod 422 through the threaded base 423, a sliding base 425 is fixedly mounted at the bottom of the movable fan 42, the movable fan 42 is movably sleeved on the peripheral side of the guide rod 424 through the sliding base 425, the threaded base 423 and the sliding base 425 are disposed at the top and the bottom of the movable fan 42, so that the flow of air current is not obstructed, a second protective net 412 is disposed on the inner wall of the exhaust frame 41 close to the second cover 411, the second protective net 412 has the same function as the first protective net 312, so that sundries outside the shed can be prevented from entering the shed, and the second protective net 412 is detachably connected with the exhaust frame 41, so that the second protective net can be conveniently cleaned and replaced.

Referring to fig. 1, a second cover 411 is disposed on a side of the exhaust frame 41 away from the air intake structure 3, a first cover 311 is disposed on a side of the air intake frame 31 away from the exhaust structure 4, the exhaust frame 41 and the air intake frame 31 can be opened and closed by the second cover 411 and the first cover 311, respectively, the exhaust structure 4 is close to a top of the first wall 1, the air intake structure 3 is close to a bottom of the first wall 1, when the temperature outside the greenhouse is too low, the first cover 311 can be closed, the air is discharged through the exhaust structure 4 alone, and the hot air on the greenhouse top is discharged and replaced with the same amount of cold air, which convects the hot air of the original greenhouse during the sinking process, so that the temperature of the greenhouse space is in a balanced state, and the cold air is prevented from directly contacting with vegetables after entering the greenhouse, thereby providing proper temperature for the vegetables.

The working principle is as follows: start servo motor 421 and sliding seat 425, servo motor 421's output drives lead screw 422 and rotates, make movable fan 42 along the long edge direction motion of big-arch shelter, gradually go out the hot-air replacement in the big-arch shelter, and form the negative pressure in the big-arch shelter, cold air can follow air inlet structure 3 and get into in the big-arch shelter, guide plate 32 leads to the cold air current, can avoid on the cold air directly blows vegetables, because the replacement is gone on gradually, fresh cold air gets into and can heat up in the short time after in the big-arch shelter, can not lead to the temperature in the big-arch shelter to hang down excessively, effectively obstructed vegetables because the temperature crosses the emergence of the various diseases that lead to excessively.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A vegetable ventilation device, includes first canopy wall (1) and second canopy wall (2), its characterized in that: the greenhouse is characterized in that a plurality of uniformly distributed air inlet structures (3) are arranged on the second greenhouse wall (2), each air inlet structure (3) comprises an air inlet frame body (31) and a plurality of guide plates (32), each air inlet frame body (31) is fixedly embedded on the side face of the second greenhouse wall (2), the guide plates (32) are fixedly connected with the side wall of the air inlet frame body (31), the guide plates (32) incline to the top of an inner cavity of the greenhouse, an exhaust structure (4) is arranged on the first greenhouse wall (1), each exhaust structure (4) comprises an exhaust frame body (41) and a movable fan (42), the exhaust frame body (41) is fixedly embedded on the side face of the first greenhouse wall (1), the inner side wall of the exhaust frame body (41) is rotatably connected with a screw rod (422), another inner side wall of the exhaust frame body (41) is fixedly provided with a servo motor (421), and the output end of the servo motor (421) is fixedly connected with the screw rod (422), the movable fan (42) is connected inside the exhaust frame body (41) in a sliding mode and is in threaded connection with the screw rod (422).

2. A vegetable ventilating device as defined in claim 1, wherein: the air exhaust structure (4) is close to the top of the first shed wall (1), and the air inlet structure (3) is close to the bottom of the first shed wall (1).

3. A vegetable ventilating device according to claim 1, wherein: the top of the movable fan (42) is fixedly provided with a threaded seat (423), and the threaded seat (423) is in threaded connection with the screw rod (422).

4. A vegetable ventilating device according to claim 1, wherein: the bottom of the movable fan (42) is fixedly provided with a sliding seat (425), and the sliding seat (425) is movably sleeved on the peripheral side surface of the guide rod (424).

5. A vegetable ventilating device according to claim 1, wherein: a second cover body (411) is arranged on one side, far away from the air inlet structure (3), of the exhaust frame body (41), and a first cover body (311) is arranged on one side, far away from the exhaust structure (4), of the air inlet frame body (31).

6. A vegetable aeration device according to claim 5, wherein: the inner wall of the air inlet frame body (31) close to the first cover body (311) is provided with a first protective net (312), and the first protective net (312) is detachably connected with the air inlet frame body (31).

7. A vegetable aeration device according to claim 5, wherein: a second protective net (412) is arranged on the inner wall, close to the second cover body (411), of the exhaust frame body (41), and the second protective net (412) is detachably connected with the exhaust frame body (41).