Vegetable planting greenhouse ventilation device

By introducing cleaning and air supply devices into the ventilation system of vegetable greenhouses, the problem of insect carcasses accumulating in insect nets has been solved, achieving automated cleaning and environmental improvement, and increasing work efficiency.

CN224054956UActive Publication Date: 2026-03-31大理耘飞农业科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Existing ventilation systems in vegetable greenhouses tend to accumulate insect carcasses on the insect-proof netting, requiring manual cleaning, which is inefficient.

Method used

A ventilation system for vegetable greenhouses was designed, comprising a fan, a cleaning device, and an air supply device. The system uses a motor to drive fixed and movable rods to clean the insect-proof netting, and uses a heating wire and water pump system to achieve automated cleaning and water spraying.

Benefits of technology

It enables automated cleaning of insect-proof netting, improves work efficiency, reduces manual intervention, and improves the greenhouse environment by heating and spraying water.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of ventilation devices, and discloses a vegetable planting greenhouse ventilation device which comprises a fan, and a cleaning device is arranged on the fan. The cleaning device comprises an insect-proof net, the insect-proof net is fixedly connected to the left side of a fan, the fan fixedly penetrates through a greenhouse, a vertical plate is fixedly connected to the left side of the greenhouse, a sliding groove is formed in the front face of the vertical plate, a sliding block is slidably connected to the inner wall of the sliding groove, and a rotating rod is rotatably connected to the front face of the vertical plate through a bearing and movably penetrates through the vertical plate to extend to the back face; the front surface of the rotating rod is fixedly connected with a fixed rod, the front surface of the fixed rod is hinged with a movable rod, the bottom of the movable rod is hinged with a movable block, and the back surface of the movable block is fixedly connected with the front surface of the sliding block; the insect-proof net is used for limiting the moving track of the moving block, manual cleaning of the insect-proof net is not needed, and the working efficiency is improved.
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Description

Technical Field

[0001] This utility model relates to the field of ventilation device technology, specifically a ventilation device for vegetable growing greenhouses. Background Technology

[0002] Greenhouse ventilation mainly relies on opening windows for free air exchange. However, if the temperature difference between the inside and outside of the greenhouse is small, the air flow will slow down, resulting in very little air entering and leaving the greenhouse. Therefore, a ventilation device for vegetable greenhouses is needed.

[0003] According to Chinese Patent Publication No. CN219612670U, the technical solution disclosed in this patent document is as follows: This utility model discloses a ventilation device for vegetable greenhouses, belonging to the technical field of ventilation devices. It includes a base plate, a water tank installed at the lower end of the base plate, a thermometer installed on one side of the base plate, a water pump installed at the upper end of the base plate, and a mounting frame installed on the side of the base plate. A nozzle mounting seat is installed inside the mounting frame. The water pump and the nozzle mounting seat are fixedly connected by a connecting pipe. A support rod is installed at the upper corner of the base plate, and a mounting plate is installed at the upper end of the support rod. A fan is installed at the upper end of the mounting plate, and a heating wire is installed on one side of the fan. This utility model incorporates a nozzle angle adjustment component, which allows for easy adjustment of the nozzle mounting seat angle, enabling the nozzle mounting seat to spray water into the vegetable greenhouse at any angle, thereby improving the spraying efficiency for the vegetables inside the greenhouse. Furthermore, this component has a simple structure, is easy to install, and the adjustment process is relatively simple.

[0004] The aforementioned patent has the following drawbacks: during use, the insect-proof net often accumulates dead insects on its surface, requiring manual cleaning. Therefore, we propose a ventilation device for vegetable greenhouses. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a ventilation device for vegetable greenhouses.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a ventilation device for a vegetable greenhouse, comprising a fan, on which a cleaning device is provided; the cleaning device includes an insect-proof net, which is fixedly connected to the left side of the fan, the fan is fixedly connected through the greenhouse, a vertical plate is fixedly connected to the left side of the greenhouse, a groove is provided on the front of the vertical plate, a slider is slidably connected to the inner wall of the groove, a rotating rod is rotatably connected to the front of the vertical plate via a bearing, and the rotating rod extends movably through the vertical plate to the back, a fixed rod is fixedly connected to the front of the rotating rod, a movable rod is hinged to the front of the fixed rod, a moving block is hinged to the bottom of the movable rod, and the back of the moving block is fixedly connected to the front of the slider.

[0007] Preferably, a support plate is fixedly connected to the back of the vertical plate, and a motor is fixedly connected to the top of the support plate. The output end of the motor is fixedly connected to the extension end of the rotating rod.

[0008] The right side of the movable block is fixedly connected with brush bristles.

[0009] Preferably, the fan is equipped with an air supply device, which includes a screen plate. The screen plate is fixedly connected to the inner wall of the fan. A top plate is fixedly connected to the left side of the screen plate. A motor is fixedly connected to the bottom of the top plate. A rotating rod is rotatably connected to the right side of the screen plate via a bearing. A fan is fixedly sleeved on the outer wall of the rotating rod.

[0010] Preferably, a heating wire is fixedly connected to the right side of the fan.

[0011] Preferably, the bottom of the fan is fixedly connected to a base, the bottom of the inner wall of the base is fixedly connected to a water tank, the top of the inner wall of the base is fixedly connected to a water pump, the right side of the water pump is fixedly connected to a suction pipe that passes through the water tank, and the left side of the water pump is fixedly connected to a drain pipe that passes through the greenhouse and extends to the left.

[0012] Compared with the prior art, this utility model provides a ventilation device for vegetable greenhouses, which has the following beneficial effects:

[0013] I. This ventilation device for vegetable greenhouses, by starting a motor, drives a fixed rod to rotate, which in turn drives a movable rod and a moving block to clean the insect-proof net. At the same time, a slider slides on the inner wall of the chute to limit the movement trajectory of the moving block, thus eliminating the need for manual cleaning of the insect-proof net and improving work efficiency.

[0014] II. This ventilation device for vegetable greenhouses works by starting motor II, which drives a rotating rod to rotate, which in turn drives a fan to rotate. Heat is transferred to the inside of the greenhouse through heating wires. The water pump is then started, and water from the water tank is sprayed onto the crops inside the greenhouse through the cooperation of the suction pipe and the drainage pipe. Attached Figure Description

[0015] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a front sectional view of the present invention.

[0018] Figure 3This is a schematic diagram of the top structure of this utility model;

[0019] Figure 4 This utility model Figure 3 Enlarged structural diagram at point A.

[0020] In the diagram: 1. Fan; 2. Cleaning device; 21. Insect net; 22. Vertical plate; 23. Fixed rod; 24. Movable rod; 25. Moving block; 26. Slide groove; 27. Sliding block; 28. Rotating rod; 29. ​​Motor 1; 210. Support plate; 211. Brush bristles; 3. Air supply device; 31. Screen plate; 32. Top plate; 33. Motor 2; 34. Rotating rod; 35. Fan; 36. Heating wire; 37. Water tank; 38. Water pump; 39. Suction pipe; 310. Drainage pipe; 311. Base; 4. Greenhouse. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Example 1

[0022] like Figure 1-4 As shown, this utility model provides a ventilation device for a vegetable greenhouse, including a fan 1 and a cleaning device 2. The cleaning device 2 includes an insect-proof net 21, which is fixedly connected to the left side of the fan 1. The fan 1 is fixedly connected through the greenhouse 4. A vertical plate 22 is fixedly connected to the left side of the greenhouse 4. A groove 26 is provided on the front of the vertical plate 22. A slider 27 is slidably connected to the inner wall of the groove 26. A rotating rod 28 is rotatably connected to the front of the vertical plate 22 through a bearing. The rotating rod 28 extends movably through the vertical plate 22 to the back. A fixed rod 23 is fixedly connected to the front of the rotating rod 28. A movable rod 24 is hinged to the front of the fixed rod 23. A moving block 25 is hinged to the bottom of the movable rod 24. The back of the moving block 25 is fixedly connected to the front of the slider 27.

[0023] A support plate 210 is fixedly connected to the back of the vertical plate 22, and a motor 29 is fixedly connected to the top of the support plate 210. The output end of the motor 29 is fixedly connected to the extension end of the rotating rod 28.

[0024] The right side of the movable block 25 is fixedly connected to a brush bristle 211.

[0025] In this embodiment, by starting motor 29, motor 29 drives fixed rod 23 to rotate, fixed rod 23 drives movable rod 24 and moving block 25 to clean insect net 21. At the same time, slider 27 slides on the inner wall of slide groove 26 to limit the movement trajectory of moving block 25, so that the insect net 21 does not need to be cleaned manually, thus improving work efficiency. Example 2

[0026] like Figure 1-4 As shown, based on Embodiment 1, this utility model provides a technical solution: a blower 1 is provided with an air supply device 3, the air supply device 3 includes a screen plate 31, the screen plate 31 is fixedly connected to the inner wall of the blower 1, a top plate 32 is fixedly connected to the left side of the screen plate 31, a motor 33 is fixedly connected to the bottom of the top plate 32, a rotating rod 34 is rotatably connected to the right side of the screen plate 31 through a bearing, and a fan 35 is fixedly sleeved on the outer wall of the rotating rod 34.

[0027] A heating wire 36 is fixedly connected to the right side of the fan 1.

[0028] A base 311 is fixedly connected to the bottom of the fan 1. A water tank 37 is fixedly connected to the bottom of the inner wall of the base 311. A water pump 38 is fixedly connected to the top of the inner wall of the base 311. A suction pipe 39 is fixedly connected to the right side of the water pump 38 and passes through the water tank 37. A drain pipe 310 is fixedly connected to the left side of the water pump 38 and extends to the left through the greenhouse 4.

[0029] In this embodiment, by starting motor 33, motor 33 drives rotating rod 34 to rotate, rotating rod 34 drives fan 35 to rotate, and heat from heating wire 36 is transferred to the inside of greenhouse 4. Water pump 38 is started, and water from water tank 37 is sprayed to crops inside greenhouse 4 through the cooperation of water suction pipe 39 and water discharge pipe 310.

[0030] The working principle of this type of ventilation device for vegetable greenhouses will be explained in detail below.

[0031] like Figure 1-4 As shown, during use, starting motor 29 drives the fixed rod 23 to rotate, which in turn drives the movable rod 24 and the moving block 25 to reciprocate cleaning the left side of the insect net 21. At the same time, the slider 27 on the back of the moving block 25 slides against the inner wall of the groove 26 to limit the movement trajectory of the moving block 25, thus eliminating the need for manual cleaning of the insect net 21 and improving work efficiency. Starting motor 33 drives the rotating rod 34 to rotate, which in turn drives the fan 35 to rotate. Heat from the heating wire 36 is transferred to the inside of the greenhouse 4. Starting water pump 38 sprays water from the water tank 37 to the crops inside the greenhouse 4 through the cooperation of the suction pipe 39 and the drain pipe 310.

Claims

1. A ventilation device for a vegetable planting greenhouse, comprising a fan (1), characterized in that: The fan (1) is provided with a cleaning device (2); The cleaning device (2) comprises a mosquito-proof net (21), the mosquito-proof net (21) is fixedly connected to the left side of the fan (1), the fan (1) is fixedly penetrated by a greenhouse (4), the left side of the greenhouse (4) is fixedly connected with a vertical plate (22), the front of the vertical plate (22) is provided with a sliding groove (26), the inner wall of the sliding groove (26) is slidably connected with a sliding block (27), the front of the vertical plate (22) is rotatably connected with a rotating rod (28) through a bearing, and the rotating rod (28) extends to the back surface of the vertical plate (22) through the vertical plate (22), the front of the rotating rod (28) is fixedly connected with a fixed rod (23), the front of the fixed rod (23) is hingedly connected with a movable rod (24), the bottom of the movable rod (24) is hingedly connected with a moving block (25), and the back surface of the moving block (25) is fixedly connected with the front surface of the sliding block (27).

2. The ventilation device for a vegetable greenhouse according to claim 1, characterized in that: The back surface of the vertical plate (22) is fixedly connected with a supporting plate (210), the top of the supporting plate (210) is fixedly connected with a motor (29), and the output end of the motor (29) is fixedly connected with the extending end of the rotating rod (28).

3. The ventilation device for a vegetable greenhouse according to claim 1, characterized in that: The right side of the moving block (25) is fixedly connected with a brush (211).

4. The ventilation device for a vegetable greenhouse according to claim 1, characterized in that: The fan (1) is provided with a fan device (3), the fan device (3) comprises a sieve plate (31), the sieve plate (31) is fixedly connected to the inner wall of the fan (1), the left side of the sieve plate (31) is fixedly connected with a top plate (32), the bottom of the top plate (32) is fixedly connected with a motor (33), the right side of the sieve plate (31) is rotatably connected with a rotating rod (34) through a bearing, and the outer wall of the rotating rod (34) is fixedly sleeved with a fan (35).

5. The ventilation device for a vegetable greenhouse according to claim 1, characterized in that: The right side of the fan (1) is fixedly connected with a heating wire (36).

6. The ventilation device for a vegetable greenhouse according to claim 1, characterized in that: The bottom of the fan (1) is fixedly connected with a base (311), the inner wall of the base (311) is fixedly connected with a water tank (37) at the bottom, the inner wall of the base (311) is fixedly connected with a water pump (38) at the top, the right side of the water pump (38) is fixedly connected with a water suction pipe (39), and the water suction pipe (39) is fixedly penetrated through the water tank (37), the left side of the water pump (38) is fixedly connected with a drain pipe (310), and the drain pipe (310) is fixedly penetrated through the greenhouse (4) and extends to the left side.

Citation Information

Patent Citations

  • Vegetable planting greenhouse ventilation device

    CN219612670U