A greenhouse interior ventilation device for smart agriculture

By incorporating an air intake box, dust filter plate, brush bristles, and filter bag into the ventilation system inside the smart agricultural greenhouse, the problem of secondary pollution during dust cleaning is solved. This achieves efficient dust collection and stable ventilation and temperature regulation inside the greenhouse, improving the practicality and automation level of the device.

CN224521902UActive Publication Date: 2026-07-21HANDAN SANXIN AGRI DEV CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HANDAN SANXIN AGRI DEV CO LTD
Filing Date
2025-08-29
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

When cleaning existing ventilation devices in smart agricultural greenhouses, dust easily falls into the surrounding environment, causing secondary pollution, and can easily re-adhere to the surface of the filter structure under the action of airflow, making them impractical.

Method used

A structure including an air inlet box, a dust filter plate, brush bristles, a collection box, and a filter bag is designed. The brush bristles are driven by a lifting plate to clean the dust on the dust filter plate, and the filter bag is used to collect the dust. Combined with the fan box and the heating box, a stable airflow and heating function are achieved, forming a dual dust removal mechanism of mechanical brushing and pneumatic backflushing.

Benefits of technology

It effectively avoids secondary pollution from dust, improves cleaning efficiency and the practicality of the equipment, ensures stable ventilation and temperature regulation inside the greenhouse, and meets the requirements of smart agriculture for equipment automation.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224521902U_ABST
    Figure CN224521902U_ABST
Patent Text Reader

Abstract

The utility model discloses a kind of inside ventilation device of greenhouse for wisdom agriculture, including air inlet tank, the side fixed mounting of air inlet tank has gas cylinder, the inside of air inlet tank is extended to the one end of gas cylinder, the one end fixed mounting of gas cylinder inside has dust filter plate, the above of dust filter plate side is provided with lifting plate, the side fixed mounting of lifting plate towards dust filter plate has brush hair, the below of air inlet tank is fixedly installed with collection tank, the below of air inlet tank inside is provided with round hole, air inlet tank and collection tank are communicated by round hole, the below screw thread installation of round hole in the inside of collection tank has mounting ring plate, the below fixed mounting of mounting ring plate has filter cloth bag. Its realized dust collection's ability, increased practicability, to solve the problem that dust falls to around and causes secondary pollution when dusting filter structure, and easy to adhere to filter structure surface again under the action of air current.
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Description

Technical Field

[0001] This utility model relates to the field of ventilation device technology, specifically a ventilation device for greenhouses used in smart agriculture. Background Technology

[0002] Smart agricultural greenhouses are modern agricultural facilities that integrate advanced technologies such as the Internet of Things, automated control, and environmental monitoring to create optimal conditions for crop growth. Among them, the internal ventilation device, as one of the environmental control devices, can introduce fresh air to maintain oxygen balance. For example, the authorized patent with announcement number CN222515722U (a smart agricultural greenhouse internal ventilation device) includes an outer shell and a ventilation pipe installed at one end of the outer shell. The ventilation pipe has multiple sets of ventilation holes, and a filter screen cylinder connected to the outer shell is fixedly connected to one end of the outer shell. While the aforementioned existing technology facilitates the repeated striking of the filter cylinder by the impact ball to shake off the dust and impurities adhering to the filter cylinder, it lacks a dust collection structure. Consequently, when cleaning the filter structure, dust falls into the surrounding area, causing secondary pollution, and is easily re-adhered to the surface of the filter structure under the action of airflow, resulting in poor practicality. Therefore, the market urgently needs to develop a smart agricultural greenhouse internal ventilation device to help people solve the existing problems. Utility Model Content

[0003] The purpose of this utility model is to provide a ventilation device for greenhouses in smart agriculture, so as to solve the problem mentioned in the background art that when cleaning the filter structure, dust falls to the surrounding area and causes secondary pollution, and is easily re-adhered to the surface of the filter structure under the action of airflow.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a ventilation device for greenhouses in smart agriculture, comprising an air inlet box, an air delivery cylinder fixedly installed on one side of the air inlet box, one end of the air delivery cylinder extending into the interior of the air inlet box, a dust filter plate fixedly installed at one end inside the air delivery cylinder, a lifting plate arranged above one side of the dust filter plate, bristles fixedly installed on the side of the lifting plate facing the dust filter plate, a collection box fixedly installed below the air inlet box, a circular hole arranged at the lower part of the interior of the air inlet box, the air inlet box and the collection box communicating through the circular hole, an installation ring plate threaded along the lower part of the circular hole inside the collection box, and a filter bag fixedly installed below the installation ring plate.

[0005] Preferably, a fan box is fixedly installed on one side of the air supply cylinder, a fan is fixedly installed inside the fan box, an air supply pipe is fixedly installed on one side of the fan box, a heating box is fixedly installed below the fan box, the lower end of the air supply pipe extends into the interior of the heating box, and a ventilation pipe is fixedly installed on one side of the heating box.

[0006] Preferably, a pump box is fixedly installed above the heating box along the rear end of the gas delivery cylinder, a gas supply pipe is fixedly installed above the pump box, an electric valve is fixedly installed at one end of the gas supply pipe, a jet pipe is fixedly installed on one side of the electric valve, the jet pipe is inserted obliquely into the interior of the gas delivery cylinder, and a switch cabinet is fixedly installed above the heating box along the front end of the gas delivery cylinder.

[0007] Preferably, the air intake box has an opening on the other side, an upper sealing plate is fixedly installed on the upper part of the other side of the air intake box, and a lifting sealing plate is provided inside the air intake box along one side of the upper sealing plate.

[0008] Preferably, a protective cover is fixedly installed above the air intake box, and electric cylinder one and electric cylinder two are arranged on both sides inside the protective cover. Electric cylinder one and electric cylinder two are both fixedly connected to the air intake box. The push rod end of electric cylinder one slides into the interior of the air intake box and is fixedly connected to the lifting plate. The push rod end of electric cylinder two slides into the interior of the air intake box and is fixedly connected to the lifting plate.

[0009] Preferably, a door is rotatably installed on one side of the collection box, and an exhaust grille is fixedly installed at the rear end of the collection box.

[0010] Preferably, a horizontal plate is fixedly installed at the bottom inside the heating box, and a slot is provided on one side of the horizontal plate.

[0011] Preferably, the interior of the heating chamber is provided with multiple upper baffles and multiple lower baffles above the horizontal plate, and the upper and lower baffles are arranged alternately.

[0012] Preferably, the upper end of the upper baffle is fixedly connected to the heating box, and the lower end of the lower baffle is fixedly connected to the horizontal plate.

[0013] Preferably, multiple heating elements are fixedly installed above the horizontal plate.

[0014] Compared with the prior art, the beneficial effects of this utility model are: (1) This utility model sets up a collection box below the air inlet box and uses a round hole to connect with the air inlet box. Combined with the threaded filter bag structure, a dust collection structure is formed. When the driving lifting plate drives the brush to clean the dust filter plate, the peeled dust can fall into the filter bag in the collection box through the round hole, realizing the centralized collection and treatment of dust. This not only avoids the secondary pollution caused by dust falling into the surrounding environment, but also prevents dust from adhering to the surface of the filter structure again, thus increasing its practicality. (2) By setting up a fan inside the fan box, the outside air can flow into the greenhouse in sequence through the air delivery cylinder, fan box, air delivery pipe, heating box and ventilation pipe, forming a stable airflow, which is conducive to stable ventilation inside the greenhouse. Furthermore, the setting of the heating box allows the device to heat the incoming air according to the actual needs inside the greenhouse, which improves the functionality of the device and increases its practicality. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the internal ventilation device for a smart agricultural greenhouse according to the present invention; Figure 2 This is a rear view structural schematic diagram of an internal ventilation device for a smart agricultural greenhouse according to this utility model. Figure 3 This is a schematic diagram of the interior of the air intake box and the collection box of this utility model; Figure 4 This is a schematic diagram of the internal structure of the heating box of this utility model.

[0016] In the diagram: 1. Air inlet box; 2. Air delivery cylinder; 3. Fan box; 4. Air delivery pipe; 5. Heating box; 6. Ventilation pipe; 7. Pump box; 8. Air supply pipe; 9. Electric valve; 10. Jet pipe; 11. Protective cover; 12. Top sealing plate; 13. Collection box; 14. Box door; 15. Exhaust grille; 16. Dust filter plate; 17. Lifting plate; 18. Brush; 19. Lifting sealing plate; 20. Electric cylinder one; 21. Electric cylinder two; 22. Mounting ring plate; 23. Filter bag; 24. Horizontal plate; 2401. Slot; 25. Upper baffle; 26. Lower baffle; 27. Electric heating element; 28. Switch cabinet. Detailed Implementation

[0017] 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.

[0018] Please see Figures 1-4 An embodiment of this utility model provides a smart agricultural greenhouse internal ventilation device, including an air inlet box 1, an air delivery cylinder 2 fixedly installed on one side of the air inlet box 1, one end of the air delivery cylinder 2 extending into the interior of the air inlet box 1, a dust filter plate 16 fixedly installed at one end inside the air delivery cylinder 2, a lifting plate 17 arranged above one side of the dust filter plate 16, bristles 18 fixedly installed on the side of the lifting plate 17 facing the dust filter plate 16, a collection box 13 fixedly installed below the air inlet box 1, a round hole provided at the lower part of the interior of the air inlet box 1, the air inlet box 1 and the collection box 13 communicating through the round hole, an mounting ring plate 22 threadedly installed along the lower part of the round hole inside the collection box 13, and a filter bag 23 fixedly installed below the mounting ring plate 22.

[0019] When the dust filter plate 16 is cleaned, the brush 18 is moved up and down by driving the lifting plate 17, which can brush the dust filter plate 16 to remove dust. The dust can be collected by the filter bag 23, which solves the problem that dust can easily re-adhere to the surface of the filter structure under the action of airflow and increases practicality.

[0020] Please see Figure 1 A fan box 3 is fixedly installed on one side of the air supply cylinder 2. A fan is fixedly installed inside the fan box 3. An air supply pipe 4 is fixedly installed on one side of the fan box 3. A heating box 5 is fixedly installed below the fan box 3. The lower end of the air supply pipe 4 extends into the interior of the heating box 5. A ventilation pipe 6 is fixedly installed on one side of the heating box 5. The ventilation pipe 6 extends into the interior of the greenhouse and is connected to the air jet fittings to facilitate ventilation inside the greenhouse.

[0021] By starting the fan inside the fan box 3, outside air can flow into the greenhouse through the air delivery cylinder 2, fan box 3, air delivery pipe 4, heating box 5 and ventilation pipe 6, which increases its practicality.

[0022] Please see Figure 1 and Figure 2 A pump box 7 is fixedly installed above the heating box 5 along the rear end of the air supply cylinder 2. An air supply pipe 8 is fixedly installed above the pump box 7. An air pump is installed inside the pump box 7, and the output end of the air pump is connected to the air supply pipe 8. An electric valve 9 is fixedly installed at one end of the air supply pipe 8. An air jet pipe 10 is fixedly installed on one side of the electric valve 9. The air jet pipe 10 is inserted obliquely into the air supply cylinder 2 and faces the dust filter plate 16. A switch cabinet 28 is fixedly installed above the heating box 5 along the front end of the air supply cylinder 2.

[0023] When removing dust from the filter plate 16, the air pump is started and the electric valve 9 is opened, so that the air jet pipe 10 can spray air from the inside of the air supply cylinder 2 to the filter plate 16, which effectively assists the brush in cleaning the dust on the filter plate 16, improving the cleaning efficiency. The PLC control module of the electrical equipment of the device is installed inside the switch cabinet 28, which facilitates the automatic operation of the device, meets the requirements of smart agriculture for equipment automation, and increases practicality.

[0024] Please see Figure 3An opening is provided on the other side of the air intake box 1. An upper sealing plate 12 is fixedly installed on the upper part of the other side of the air intake box 1. A lifting sealing plate 19 is provided inside the air intake box 1 along one side of the upper sealing plate 12. A protective cover 11 is fixedly installed on the upper part of the air intake box 1. Electric cylinder 1 20 and electric cylinder 21 are provided on both sides inside the protective cover 11. Both electric cylinder 1 20 and electric cylinder 21 are fixedly connected to the air intake box 1. The push rod end of electric cylinder 1 20 slides into the interior of the air intake box 1 and is fixedly connected to the lifting plate 17. The push rod end of electric cylinder 21 slides into the interior of the air intake box 1 and is fixedly connected to the lifting sealing plate 19.

[0025] When the dust filter plate 16 needs to be cleaned, the lifting sealing plate 19 is driven to move down by the electric cylinder 21 and, together with the sealing plate 12, can seal the opening of the air inlet box 1, so that the dust-laden air during the cleaning process can all flow into the filter bag 23 of the collection box 13, avoiding dust leakage and diffusion, and improving the stability and efficiency of dust collection.

[0026] Please see Figure 1 and Figure 2 A door 14 is rotatably installed on one side of the collection box 13, and an air vent grille 15 is fixedly installed at the rear end of the collection box 13. The air vent grille 15 is circular, and a one-way valve is installed inside the collection box 13 along the front end of the air vent grille 15, so that air can only flow out from the collection box 13, and outside air cannot flow into the collection box 13 through the air vent grille 15.

[0027] The door 14 is designed to facilitate opening the collection box 13 to clean and maintain the filter bag 23, and the air outlet grille 15 is designed to facilitate the discharge of air flowing out of the filter bag 23.

[0028] Please see Figure 4 A horizontal plate 24 is fixedly installed at the bottom inside the heating box 5. A slot 2401 is provided on one side of the horizontal plate 24. Multiple upper baffles 25 and multiple lower baffles 26 are provided inside the heating box 5 along the upper part of the horizontal plate 24. The upper baffles 25 and lower baffles 26 are arranged alternately. The upper end of the upper baffle 25 is fixedly connected to the heating box 5, and the lower end of the lower baffle 26 is fixedly connected to the horizontal plate 24. Multiple electric heating tubes 27 are fixedly installed on the top of the horizontal plate 24.

[0029] By setting up a heating box 5 with electric heating tube 27, the incoming air can be heated as needed. Furthermore, the staggered upper baffle 25 and lower baffle 26 increase the airflow path, allowing the air to fully contact the electric heating tube 27 and absorb heat, thereby improving the heating efficiency.

[0030] Working principle: During use, the fan inside the fan box 3 operates, allowing outside air to enter through the opening of the air inlet box 1. The air is filtered by the dust filter plate 16, and the clean air flows sequentially through the air delivery cylinder 2, the fan box 3, and the air delivery pipe 4, entering the heating box 5. Inside the heating box, the electric heating element 27 can be activated as needed to heat the air. Finally, the air is sent into the greenhouse through the ventilation pipe 6. When dust removal is required, the fan is turned off, and the electric cylinder 21 is activated first, driving the lifting sealing plate 19 to move down and engage with the upper sealing plate 12. The air inlet of the air inlet box 1 is sealed to form a closed cavity. Then, the electric cylinder 20 drives the lifting plate 17 to drive the brush 18 to brush the dust filter plate 16. At the same time, the air pump is started, the electric valve 9 is opened, and the jet pipe 10 sprays airflow onto the dust filter plate 16, forming a dual dust removal mechanism of mechanical brushing and pneumatic back-blowing. The dusty air flows into the collection box 13 below through the round hole at the bottom of the air inlet box 1, and is captured and stored by the filter bag 23. The filtered air is discharged through the exhaust grille 15.

[0031] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A ventilation device for an intelligent agricultural greenhouse, comprising an air intake box (1), characterized in that: An air delivery cylinder (2) is fixedly installed on one side of the air inlet box (1). One end of the air delivery cylinder (2) extends into the interior of the air inlet box (1). A dust filter plate (16) is fixedly installed at one end inside the air delivery cylinder (2). A lifting plate (17) is provided above one side of the dust filter plate (16). Brush bristles (18) are fixedly installed on the side of the lifting plate (17) facing the dust filter plate (16). A collection box (13) is fixedly installed below the air inlet box (1). A round hole is provided below the interior of the air inlet box (1). The air inlet box (1) and the collection box (13) are connected through the round hole. An installation ring plate (22) is threaded along the bottom of the round hole inside the collection box (13). A filter bag (23) is fixedly installed below the installation ring plate (22).

2. The intelligent agricultural greenhouse internal ventilation device according to claim 1, characterized in that: A fan box (3) is fixedly installed on one side of the air delivery cylinder (2). A fan is fixedly installed inside the fan box (3). An air delivery pipe (4) is fixedly installed on one side of the fan box (3). A heating box (5) is fixedly installed below the fan box (3). The lower end of the air delivery pipe (4) extends into the interior of the heating box (5). A ventilation pipe (6) is fixedly installed on one side of the heating box (5).

3. The intelligent agricultural greenhouse internal ventilation device according to claim 2, characterized in that: A pump box (7) is fixedly installed above the heating box (5) along the rear end of the gas cylinder (2). A gas supply pipe (8) is fixedly installed above the pump box (7). An electric valve (9) is fixedly installed at one end of the gas supply pipe (8). A jet pipe (10) is fixedly installed on one side of the electric valve (9). The jet pipe (10) is inserted obliquely into the interior of the gas cylinder (2). A switch cabinet (28) is fixedly installed above the heating box (5) along the front end of the gas cylinder (2).

4. The intelligent agricultural greenhouse internal ventilation device according to claim 1, characterized in that: The air intake box (1) has an opening on the other side, and an upper sealing plate (12) is fixedly installed on the upper side of the air intake box (1). A lifting sealing plate (19) is provided inside the air intake box (1) along one side of the upper sealing plate (12).

5. The intelligent agricultural greenhouse internal ventilation device according to claim 4, characterized in that: A protective cover (11) is fixedly installed above the air intake box (1). Electric cylinder one (20) and electric cylinder two (21) are provided on both sides inside the protective cover (11). Electric cylinder one (20) and electric cylinder two (21) are both fixedly connected to the air intake box (1). The push rod end of electric cylinder one (20) slides into the interior of the air intake box (1) and is fixedly connected to the lifting plate (17). The push rod end of electric cylinder two (21) slides into the interior of the air intake box (1) and is fixedly connected to the lifting sealing plate (19).

6. The intelligent agricultural greenhouse internal ventilation device according to claim 1, characterized in that: A door (14) is rotatably installed on one side of the collection box (13), and an exhaust grille (15) is fixedly installed at the rear end of the collection box (13).

7. The intelligent agricultural greenhouse internal ventilation device according to claim 2, characterized in that: A horizontal plate (24) is fixedly installed at the bottom inside the heating box (5), and a slot (2401) is provided on one side inside the horizontal plate (24).

8. The intelligent agricultural greenhouse internal ventilation device according to claim 7, characterized in that: The heating box (5) has multiple upper baffles (25) and multiple lower baffles (26) arranged above the horizontal plate (24) inside, and the upper baffles (25) and lower baffles (26) are arranged alternately.

9. A smart agricultural greenhouse internal ventilation device according to claim 8, characterized in that: The upper end of the upper baffle (25) is fixedly connected to the heating box (5), and the lower end of the lower baffle (26) is fixedly connected to the horizontal plate (24).

10. A smart agricultural greenhouse internal ventilation device according to claim 9, characterized in that: Multiple heating elements (27) are fixedly installed above the horizontal plate (24).