Vegetable planting greenhouse ventilation device

By designing a ventilation system for vegetable greenhouses that includes fans, motors, insulation boxes, and filtration mechanisms, the problem of excessively low temperatures caused by ventilation during the cold season has been solved. This system achieves efficient ventilation and temperature regulation, thereby improving the suitability of the plant growth environment.

CN223844508UActive Publication Date: 2026-01-30SANGMA (HAINAN) MODERN AGRI DEV CO LTD
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Patent Information

Application Number
CN202520475791.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2026-01-30
Estimated Expiration
2035-03-18

AI Technical Summary

Technical Problem

During cold seasons or at night, the ventilation in vegetable greenhouses can cause temperatures to drop too low, affecting plant growth.

Method used

An air exchange and ventilation device was designed, which includes a blower fan, a motor, an insulated box, and a filtration mechanism. The blower fan enables air circulation, the insulated box provides additional heat, and the filtration mechanism removes impurities to ensure air quality.

Benefits of technology

It improves ventilation efficiency in greenhouses, maintains suitable temperatures, protects plants from low-temperature damage, and increases vegetable survival rates.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of vegetable greenhouse ventilation, in particular to a vegetable planting greenhouse ventilation device which comprises a bottom plate, the top end of the bottom plate is connected with a protective net, the center of the protective net is connected with an installation ring, one side of the protective net is connected with a fan frame, one side of the fan frame is provided with a through hole, and the through hole is communicated with the installation ring. A through hole is formed in the fan frame, the air supply fan is arranged in the through hole in a connected mode, the motor is arranged at the rotating position of the air supply fan in a connected mode, the heat preservation box is arranged on one side of the fan frame in a connected mode, the air exchange pipe is arranged on one side of the heat preservation box in a connected mode, and the first arc-shaped connecting pipe is arranged at one end of the air exchange pipe in a connected mode. Air circulation inside and outside the greenhouse can be effectively achieved, the ventilation efficiency is improved, extra heat can be provided when needed through the arrangement of the heat preservation box and the electric heating pipe, the greenhouse is helped to maintain the proper temperature, plants are protected against low-temperature damage in the cold season or at night, and the survival rate of vegetables is greatly increased.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of ventilation of vegetable greenhouse, specifically is a ventilation device for vegetable greenhouse. BACKGROUND

[0002] Vegetable greenhouse is a frame and film structure with excellent heat preservation performance, which enables people to eat vegetables out of season. Generally, vegetable greenhouse uses a bamboo structure or a steel structure as a skeleton, and a layer or more of heat preservation plastic film is covered on the skeleton, thus forming a greenhouse.

[0003] During the use of vegetable greenhouse, ventilation is needed, and ventilation of vegetable greenhouse usually uses ventilation fans or turns up the heat preservation plastic film. During the ventilation of vegetable greenhouse, the temperature is too low due to cold weather, which causes the air temperature entering the vegetable greenhouse to be low, and most plants cannot be cultivated in cold weather. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a ventilation device for vegetable greenhouse to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a bottom plate is provided with a protective net at the top end, the center of the protective net is connected with a mounting ring, one side of the protective net is connected with a fan holder, a through hole is formed in one side of the fan holder, a blower fan is connected inside the through hole, a motor is connected at the rotating part of the blower fan, a heat preservation box is connected on one side of the fan holder, an air exchange pipe is connected on one side of the heat preservation box, a first arc-shaped connecting pipe is connected at one end of the air exchange pipe, a connecting pipe is connected at the other end of the first arc-shaped connecting pipe, a filter mechanism is connected on the surface of the connecting pipe, the other end of the connecting pipe is connected with one end of a second arc-shaped connecting pipe, and an indoor pipe is connected at the other end of the second arc-shaped connecting pipe.

[0006] Preferably, mounting plates are connected on both sides of the protective net and the fan holder, and the protective net is connected with the fan holder by bolts through the mounting plates.

[0007] Preferably, an electric heating pipe is connected inside the heat preservation box.

[0008] Preferably, a tightening clamp is connected at the joint of the air exchange pipe, the first arc-shaped connecting pipe, the connecting pipe and the second arc-shaped connecting pipe.

[0009] Preferably, the filtering mechanism comprises a function box connected between the connecting pipes, a cavity is formed in the function box, a gas closing plate and a filter plate are slidably arranged on one side of the function box, handles are connected to one side of the gas closing plate and the filter plate, and a hanging rod is connected to one side of the function box.

[0010] Preferably, the in-shed pipe extends into the shed and is provided with a mounting groove.

[0011] Preferably, the bottom plate is provided with a support plate at the top end, and the support plate is connected to the surface of the first arc-shaped connecting pipe.

[0012] Compared with the prior art, the beneficial effects of the utility model are that: through the arrangement of the air supply fan and the motor, the air circulation inside and outside the shed can be effectively realized, the ventilation efficiency is improved, through the arrangement of the heat preservation box and the electric heating pipe, additional heat can be provided when needed, the shed can be helped to maintain a suitable temperature, plants can be protected from low temperature damage in cold seasons or at night, and the survival rate of vegetables is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a front view structural schematic diagram of a ventilation device for a vegetable planting shed;

[0014] Figure 2 It is a rear view structural schematic diagram of a ventilation device for a vegetable planting shed;

[0015] Figure 3 It is a front partial explosion structural schematic diagram of a ventilation device for a vegetable planting shed;

[0016] Figure 4 It is an explosion structural schematic diagram of a filtering mechanism of a ventilation device for a vegetable planting shed.

[0017] In the drawing: 1, bottom plate; 2, protective net; 3, mounting ring; 4, mounting plate; 5, fan frame; 6, through hole; 7, air supply fan; 8, motor; 9, heat preservation box; 10, electric heating pipe; 11, air exchange pipe; 111, connecting pipe; 12, first arc-shaped connecting pipe; 121, second arc-shaped connecting pipe; 13, tightening clamp; 14, filtering mechanism; 141, function box; 142, cavity; 143, gas closing plate; 144, filter plate; 145, handle; 146, hanging rod; 15, in-shed pipe; 16, mounting groove; 17, support plate. DETAILED DESCRIPTION

[0018] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.

[0019] Please refer to Figures 1-4 The present application provides a technical solution, which comprises a bottom plate 1, a protective net 2 connected to the top end of the bottom plate 1, an installation ring 3 connected to the center of the protective net 2, a fan stand 5 connected to one side of the protective net 2, a through hole 6 formed in one side of the fan stand 5, a supply fan 7 connected to the inside of the through hole 6, a motor 8 connected to the rotating part of the supply fan 7, a heat preservation box 9 connected to one side of the fan stand 5, an air exchange pipe 11 connected to one side of the heat preservation box 9, a first arc-shaped connecting pipe 12 connected to one end of the air exchange pipe 11, a connecting pipe 111 connected to the other end of the first arc-shaped connecting pipe 12, a filter mechanism 14 connected to the surface of the connecting pipe 111, and a second arc-shaped connecting pipe 121 connected to the other end of the connecting pipe 111.

[0020] The protective net 2 and the fan stand 5 are both connected to installation plates 4, and the protective net 2 is connected to the fan stand 5 through the installation plates 4 by bolts. The use of the bolts and the installation plates 4 can ensure that the connection between the protective net 2 and the fan stand 5 is firm and convenient to disassemble.

[0021] The heat preservation box 9 is connected to an electric heating pipe 10 inside. The electric heating pipe 10 can provide heat as needed, so as to maintain the temperature inside the greenhouse within a certain range.

[0022] The air exchange pipe 11, the first arc-shaped connecting pipe 12, the connecting pipe 111 and the second arc-shaped connecting pipe 121 are all connected to tightening clamps 13 at their connecting ends. The use of the tightening clamps 13 can ensure that the connection between the air exchange pipe 11, the first arc-shaped connecting pipe 12, the connecting pipe 111 and the second arc-shaped connecting pipe 121 is firm and reliable.

[0023] The filtering mechanism 14 comprises a function box 141 connected between the connecting pipes 111, the function box 141 is internally provided with a cavity 142, and the function box 141 is slidably provided with a gas closing plate 143 and a filtering plate 144 at one side respectively, the gas closing plate 143 and the filtering plate 144 are both connected with a handle 145 at one side, and the function box 141 is connected with a hanging rod 146 at one side, which is used to move the gas closing plate 143 to completely or partially block the air flow through the function box 141 when needed, and the filtering plate 144 is the core element in the function box 141 and used to remove impurities, particulate matters or pollutants in the air flow.

[0024] The in-shed pipe 15 extends into the shed at one end and is provided with a mounting groove 16, which is used to extend the pipeline in the shed.

[0025] The support plate 17 is connected to the top of the bottom plate 1 and connected to the surface of the first arc-shaped connecting pipe 12 at the top, which is used as a connecting piece between the bottom plate 1 and the first arc-shaped connecting pipe 12 to enhance the overall structural strength.

[0026] Working principle: the motor 8 is started to drive the air supply fan 7 to rotate, the air supply fan 7 inhales fresh air outside through the through hole 6 on the fan frame 5, the fresh air is filtered by the protective net 2 to prevent large particles or foreign matters in the cavity from entering the device, the filtered air enters the heat preservation box 9, where the air temperature can be adjusted by heating the electric heating pipe 10 if needed, and when the air flows in the connecting pipe 111, it will pass through the filtering mechanism 14, the filtering plate 144 in the filtering mechanism 14 can remove small particulate matters or pollutants in the air, if it is needed to temporarily close the air flow channel for maintenance or replacement of the filtering plate, the gas closing plate 143 can be inserted into the function box 141 to close the cavity 142, the in-shed pipe 15 sends the air into the shed to realize ventilation, before that, when it is needed to work normally, the gas closing plate 143 is taken out and hung on the handle 145 on the hanging rod 146, at the same time, the old air in the shed can be discharged through other ventilation openings or natural ventilation of the shed, so that the air flow in the shed can be continuously circulated to keep the air fresh.

[0027] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0028] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A ventilation device for a vegetable planting greenhouse, comprising a bottom plate (1), characterized in that: The bottom plate (1) top end is connected with a protective net (2), the protective net (2) is connected with a mounting ring (3) at the center, one side of the protective net (2) is connected with a fan frame (5), the fan frame (5) is provided with a through hole (6) on one side, the through hole (6) is connected with a blower fan (7) inside, the blower fan (7) is connected with a motor (8) at the rotating part, one side of the fan frame (5) is connected with a heat preservation box (9), one side of the heat preservation box (9) is connected with an air exchange pipe (11), one end of the air exchange pipe (11) is connected with a first arc-shaped connecting pipe (12), the other end of the first arc-shaped connecting pipe (12) is connected with a connecting pipe (111), the connecting pipe (111) is connected with a filter mechanism (14) on the surface, the other end of the connecting pipe (111) is connected with one end of a second arc-shaped connecting pipe (121), the other end of the second arc-shaped connecting pipe (121) is connected with an indoor pipe (15).

2. The ventilation device for a vegetable greenhouse according to claim 1, characterized in that: The protective net (2) and the fan frame (5) are connected with mounting plates (4) on both sides, and the protective net (2) is connected with the fan frame (5) by the mounting plates (4) through bolts.

3. The ventilation device for a vegetable greenhouse according to claim 1, characterized in that: The heat preservation box (9) is connected with an electric heating pipe (10) inside.

4. The ventilation device for a vegetable greenhouse according to claim 1, characterized in that: The air exchange pipe (11), the first arc-shaped connecting pipe (12), the connecting pipe (111) and the second arc-shaped connecting pipe (121) are all connected with tightening clamps (13) at the connecting parts.

5. The ventilation device for a vegetable greenhouse according to claim 1, characterized in that: The filter mechanism (14) comprises a function box (141) connected between the connecting pipes (111), the function box (141) is provided with a cavity (142) inside, the function box (141) is slidably provided with a gas closing plate (143) and a filter plate (144) on one side, the gas closing plate (143) and the filter plate (144) are both connected with handles (145) on one side, and the function box (141) is connected with a hanging rod (146) on one side.

6. The ventilation device for a vegetable greenhouse according to claim 1, characterized in that: The indoor pipe (15) extends into a greenhouse at one end and is provided with a mounting groove (16).

7. The ventilation device for a vegetable greenhouse according to claim 1, characterized in that: The bottom plate (1) top end is connected with a support plate (17), and the support plate (17) top end is connected with the surface of the first arc-shaped connecting pipe (12).