CN111226662A - Semi-closed system of greenhouse - Google Patents

Abstract

The invention relates to a greenhouse semi-closed system, comprising a greenhouse body, an air treatment system and a vertical air circulation system arranged in the greenhouse body; the greenhouse body includes a planting room and a climate room, and a plurality of planting plants are suspended below the planting room a water tank; the air treatment system includes an atomizer, a wet curtain, a number of heating devices and blowers, and an air supply duct connected to the blower, which are sequentially arranged in the climate chamber from top to bottom; on the side wall of the climate chamber above the wet curtain There are internal vents and external vents respectively; a number of the blowers are installed on the side walls of the climate chamber, and are provided with carbon dioxide interfaces; a number of air ducts extend to the planting room, and correspond to a number of planting water tanks; the vertical The air circulation system includes several circulating ventilators installed above the planting room; the invention can be used to reasonably adjust the temperature, humidity and carbon dioxide concentration in the planting room, and effectively ensure the uniformity of the internal environment.

Description

A greenhouse semi-closed system

technical field

The invention relates to the technical field of greenhouses, in particular to a semi-closed system for greenhouses.

Background technique

Greenhouses can provide growth period and increase yield in seasons that are not suitable for plant growth, and are mostly used for plant cultivation or seedling raising of vegetables, flowers, trees and other plants in low temperature seasons; the growth environment of crops in the greenhouse is affected by various parameters, including temperature, Humidity, illumination and carbon dioxide concentration of crop growth, etc., the current greenhouses in the prior art have great limitations on the adjustment of various growth parameters, and cannot guarantee the uniformity of the internal environment. Therefore, the present invention develops a greenhouse semi-closed system to solve the problem. The problems existing in the prior art have been searched and no technical solutions identical or similar to the present invention have been found.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a semi-closed system for a greenhouse, so as to solve the problems in the prior art that the greenhouse has great limitations in adjusting various growth parameters and cannot guarantee the uniformity of the internal environment.

The technical scheme of the present invention is: a semi-closed system for a greenhouse, comprising a greenhouse body, an air treatment system and a vertical air circulation system arranged in the greenhouse body; the greenhouse body includes a planting room and a climate room, and the planting room is suspended below A number of planting water tanks are provided; the air treatment system includes an atomizer, a wet curtain, a number of heating devices and a blower, and an air supply duct connected to the blower, which are sequentially arranged in the climate chamber from top to bottom; the climate above the wet curtain The side walls of the chamber are respectively provided with internal vents and external vents; several of the blowers are installed on the side walls of the climate chamber, and carbon dioxide interfaces are arranged on the blowers; several of the air ducts extend to the planting room, and are connected with several planters. The water tanks are in one-to-one correspondence and are located below the planting water tanks respectively; the vertical air circulation system includes a number of circulating fans installed above the planting chamber.

Preferably, an intelligent control system is also provided, and the intelligent control system includes a display controller and a sensor assembly connected to the display controller, and the sensor assembly includes a humidity sensor, a temperature sensor and a carbon dioxide sensor arranged in the growing room. The display controller is electrically connected with the atomizer, the heating device and the blower.

Preferably, a dehumidification system is provided in the planting chamber, the dehumidification system includes a plurality of heating pipes, and a plurality of the heating devices are arranged below the air supply pipes.

Preferably, irrigation drippers are evenly arranged on the planting water tank.

Preferably, an ultraviolet lamp is provided above the first processing chamber.

Preferably, the air supply duct adopts a double-layer flexible structure, the material is high-pressure polyethylene plastic film, and reinforced steel wires are arranged along the axial direction. The openings on the structure are staggered.

Preferably, a condensed water collection device is arranged below the air supply duct.

Compared with the prior art, the advantages of the present invention are:

(1) The present invention can be used to reasonably adjust the temperature, humidity and carbon dioxide concentration in the planting room, wherein, regarding the internal air circulation, open the blower and the internal vent; External vents; for heating, in the case of air circulation, turn on the heating device; for cooling, in the case of air circulation, let the gas flow through the wet pad; for humidification, in the case of air circulation, turn on the atomizer; Regarding dehumidification, in the case of air circulation, open the heating pipe; regarding the increase of carbon dioxide concentration, introduce carbon dioxide into the growing room through the carbon dioxide interface.

(2) A vertical air circulation system is formed by setting up several circulating fans above the planting room, so that the planting room has uniform temperature, humidity and carbon dioxide distribution, and the temperature difference between the top and bottom of the plant is smaller, and the condensation on crops is reduced. less, while air exchange between the air below and above to stimulate dehumidification inside the grow room.

(3) A climate chamber is set on one side of the planting room, which can effectively adjust the gas parameters. The air supply fan and the wet curtain are installed on the same side, and the appropriate air is sent to the planting room through the air supply duct, and the rational design of the overall structure makes the air supply The longer distance can increase the length of the planting room, which provides a guarantee for the construction of an intelligent super-large greenhouse.

(4) During the working process, part of the air will be inhaled from the outdoors only when needed. Most of the air is recycled, treated and reused indoors, which reduces the energy consumption of the greenhouse.

Description of drawings

Below in conjunction with accompanying drawing and embodiment, the present invention is further described:

Fig. 1 is the front view of the structure of the present invention;

Fig. 2 is the three-dimensional schematic diagram of the structure of the present invention;

Fig. 3 is the schematic diagram of the partial structure of the present invention;

Fig. 4 is the schematic diagram of air circulation flow when the structure of the present invention is used;

FIG. 5 is a schematic diagram of the circulating air flowing during the operation of the circulating fan according to the present invention.

Among them: 1. Planting room, 2. Climate room, 3. Planting water tank, 4. Ultraviolet lamp, 5. Atomizer, 6. Wet curtain, 7. Heating device, 8. Blower, 9. Air supply duct, 10, Opening, 11. Condensate collection device, 12. Heating pipe, 13. Internal vent, 14. External vent, 15. Circulating fan.

Detailed ways

Below in conjunction with specific embodiment, the content of the present invention is described in further detail:

As shown in Figure 1-3, a greenhouse semi-closed system, a greenhouse semi-closed system, includes a greenhouse body, an air handling system, a vertical air circulation system and an intelligent control system arranged in the greenhouse body.

The greenhouse body includes a planting room 1 and a climate room 2. Below the planting room 1, a plurality of planting water tanks 3 arranged along the long axis of the planting room 1 are suspended. The planting water tanks 3 are evenly provided with irrigation drippers.

The air treatment system includes an ultraviolet lamp 4, an atomizer 5, a wet curtain 6, a number of heating devices 7 and a blower 8, which are sequentially arranged in the climate chamber 2 from top to bottom, and an air supply duct 9 connected to the blower 8. The air supply duct 9 is also provided with a dehumidification system below.

in:

First, the ultraviolet lamp 4 is used to sterilize the circulating air.

Second, the atomizer 5 is used to humidify the air.

Thirdly, the wet curtain 6 can be used to cool the circulating air. The side walls of the climate chamber 2 above the wet curtain 6 are respectively provided with internal vents 13 and external vents 14, and the internal vents 13 are arranged near the planting chamber 1. On one side, the external vent 14 is arranged on the side away from the planting chamber 1, and the height of the internal vent 13 is higher than the height of the external vent 14, and the height of the internal vent 13 is lower than the height of the atomizer 5, wherein the internal ventilation Both the port 13 and the external ventilation port 14 are equipped with shutters, which can be opened and closed.

Fourth, a number of heating tubes are arranged in the heating device 7, and by heating the heating tubes, the temperature can be increased when the circulating air flows through the heating tubes.

Fifth, several blowers 8 are installed on the side walls of the climate chamber 2, and the blower 8 is provided with a carbon dioxide interface, which is convenient for discharging carbon dioxide into the planting room 1; Heat load and humidity load are selected, and in the field of greenhouse, the cooling load includes the heat transferred indoors and outdoors through the envelope structure, the heat gain from solar radiation, the heat dissipation of lighting in the greenhouse, the heat generated during the growth of greenhouse crops and the fresh air load; the greenhouse heat The load includes the heat consumption of the greenhouse envelope, the heat gain of the solar radiation (the heat load using the orientation correction coefficient), various correction values and additional values (height correction coefficient, intermittent correction coefficient) and the fresh air load; the greenhouse wet load includes the plant transpiration dissipation. Moisture, wet surface (soil), moisture loss from an open liquid surface or stream (irrigation).

Sixth, a number of air supply pipes 9 extend to the planting room 1, and are in one-to-one correspondence with a number of planting water tanks 3, and are respectively located under the planting water tanks 3, and a condensed water collection device 11 is arranged below the air supply pipe 9 to prevent the air supply pipe. 9. The condensation on the surface affects the environment in the planting room 1 and even causes pollution to the growing environment of the crops; the air supply duct 9 adopts a double-layer flexible structure, the material is high-pressure polyethylene plastic film, and there are reinforced steel wires along the axial direction. The side walls of the double-layer structure of the pipeline 9 are provided with openings 10, and the openings 10 on the two-layer structure are staggered; the high-pressure polyethylene plastic film air cylinder has good toughness, high bending strength, high and low temperature resistance, and good anti-aging performance. The air volume is large, the resistance coefficient along the route is small, the wind conveying pressure head is small, and the maximum wind speed can reach 100 meters per second.

Seventh, the dehumidification system includes a plurality of heating pipes 12 , and a plurality of heating devices 7 are arranged below the air supply pipe 9 , which can effectively achieve dehumidification under the condition of circulating air.

The vertical air circulation system includes a number of circulating fans 15 installed above the planting room 1, so that the planting room 1 has uniform temperature, humidity and carbon dioxide distribution, the temperature difference between the top and bottom of the plant is smaller, and the condensation on crops is more. less, at the same time air exchange between the air below and above to stimulate dehumidification inside the grow room 1.

The intelligent control system includes a display controller and a sensor assembly connected to the display controller. The sensor assembly includes a humidity sensor, a temperature sensor and a carbon dioxide sensor arranged in the growing room 1. The display controller is connected to the atomizer 5 and the heating device 7. , the blower 8 and the ultraviolet lamp 4 are electrically connected.

As shown in FIG. 4, it is a schematic diagram of air circulation flow, wherein, for the internal air circulation, the blower 8 and the internal ventilation port 13 are opened; for the mixed circulation of internal and external air, the blower 8, the internal ventilation port 13 and the external ventilation port 14 are opened. ; Regarding the temperature rise, in the case of air circulation, turn on the heating device 7; Regarding the cooling, in the case of air circulation, make the gas flow through the wet curtain 6; Regarding humidification, in the case of air circulation, open the atomizer 5; Regarding dehumidification, in the case of air circulation, open the heating pipe 12; regarding the increase of carbon dioxide concentration, carbon dioxide is introduced into the planting room 1 through the carbon dioxide interface; as shown in FIG. The air circulation flow mode can realize the air exchange between the upper part and the lower part of the planting room 1.

The above-mentioned embodiments are only intended to illustrate the technical concept and characteristics of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement them accordingly, and cannot limit the protection scope of the present invention. It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but that the present invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the present invention, so no matter where the From a point of view, the embodiments should be considered as exemplary and non-restrictive, the scope of the present invention is defined by the appended claims rather than the above description, and is therefore intended to fall within the meaning of the equivalents of the claims. All changes that come within the scope of and are intended to be embraced by the present invention and any reference signs in the claims shall not be construed as limiting the underlying claim.

Claims (7)

1. A greenhouse semi-closed system is characterized in that: comprising a greenhouse body, an air treatment system and a vertical air circulation system arranged in the greenhouse body; the greenhouse body comprises a planting room and a climate room, and the planting room is hung below the planting room. There are several planting water tanks; the air treatment system includes an atomizer, a wet curtain, a number of heating devices and blowers, and an air supply duct connected with the blower, which are sequentially arranged in the climate chamber from top to bottom; the climate chamber above the wet curtain The side walls are respectively provided with internal vents and external vents; several of the blowers are installed on the side walls of the climate chamber, and carbon dioxide interfaces are arranged on the blowers; several of the air ducts extend to the planting room, and are connected with several planting water tanks. The vertical air circulation system includes a number of circulating fans installed above the planting chamber. 2. A greenhouse semi-closed system according to claim 1, characterized in that: an intelligent control system is further provided, and the intelligent control system comprises a display controller and a sensor assembly connected with the display controller, the sensor assembly It includes a humidity sensor, a temperature sensor and a carbon dioxide sensor arranged in the growing room, and the display controller is electrically connected with the atomizer, the heating device and the blower. 3 . The semi-enclosed system for a greenhouse according to claim 1 , wherein a dehumidification system is arranged in the planting chamber, and the dehumidification system includes a plurality of heating pipes, and a plurality of the heating devices are arranged below the air supply pipes. 4 . 4 . The semi-closed system of a greenhouse according to claim 1 , wherein irrigation drippers are evenly distributed on the planting water tank. 5 . 5 . The semi-enclosed system for a greenhouse according to claim 1 , wherein an ultraviolet lamp is arranged above the first treatment chamber. 6 . 6. A greenhouse semi-closed system according to claim 1, characterized in that: the air supply duct adopts a double-layer flexible structure, the material is high-pressure polyethylene plastic film, and reinforced steel wires are arranged along the axial direction, and the air supply pipe adopts a double-layer flexible structure. The side walls of the double-layer structure of the air duct are all provided with openings, and the openings on the two-layer structure are staggered. 7 . The semi-enclosed system for a greenhouse according to claim 1 , wherein a condensed water collection device is arranged below the air supply duct. 8 .

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