CN210406415U

CN210406415U - Greenhouse soil temperature and soil air oxygen content regulation and control device

Info

Publication number: CN210406415U
Application number: CN201921146174.3U
Authority: CN
Inventors: 刁久新; 刁玉哲; 孙伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-04-28
Anticipated expiration: 2029-07-19

Abstract

The utility model discloses a regulation and control device of warmhouse booth soil temperature and soil air oxygen content, including laying a plurality of filtration irrigation branch pipes that extend along north-south direction underground in warmhouse booth, be provided with a plurality of micropores on each filtration irrigation branch pipe respectively, the south end bending of filtration irrigation branch pipe upwards extends to the ground top and is provided with exhaust apparatus, the north end of filtration irrigation branch pipe is connected with the ventilation main pipe, the ventilation main pipe is laid along warmhouse booth north east-west direction, be equipped with a plurality of induced duct ways that lead to warmhouse booth highest point on the ventilation main pipe, induced duct way upper end connection ventilation unit, ventilation unit is connected with controlling means; the utility model realizes the heat exchange and storage between the air and the soil in the ventilation process, and simultaneously, the soil air and the atmosphere are physically diffused, thereby realizing the oxygen supplement and the carbon dioxide discharge in the soil air and increasing the oxygen content of the soil air; improve soil and hold plant roots density, the utility model discloses still can be used to the liquid manure and irrigate, realize water, fertile, gas, hot integration regulation and control.

Description

Greenhouse soil temperature and soil air oxygen content regulation and control device

Technical Field

The utility model relates to a warmhouse booth equipment technical field especially relates to a soil temperature and soil air oxygen content's that uses regulation and control device in warmhouse booth.

Background

Greenhouse (greenhouse), also known as hothouse. Can transmit light, keep warm (or heat), and is used for cultivating plants. In seasons unsuitable for plant growth, the ecological environment suitable for crop growth can be provided, the growth period of crops can be prolonged, and the yield can be increased. The greenhouse keeps a certain temperature to meet the requirement of the plants on the temperature, and is favorable for the growth of the plants, but under the condition of sufficient sunlight, the air with higher temperature can be gathered at the upper part of the greenhouse and can reach more than 40 ℃. Even in winter, if the temperature outside the greenhouse is higher, the temperature at the upper part inside the greenhouse is higher, and the temperature and humidity inside the greenhouse in the daytime sometimes exceed the range of the suitable growth temperature of plants. Under the intensive high density cultivation condition in the big-arch shelter, along with the improvement of plant cultivation density, plant roots density constantly improves in the soil, plant roots breathes required oxygen in soil and receives the restriction of oxygen supply volume in the soil, when the oxygen volume that plant roots breathes and consumes is close the oxygen volume that soil supplied with, plant roots reaches critical density, improve the density of planting again, the effective output of plant also can not improve again, soil air oxygen supply volume becomes the main limiting factor of plant growth under this condition, consequently, improve soil oxygen supply volume and just can improve single output. At present, no method which is particularly effective for production is available for regulating and controlling the oxygen content of soil air.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a greenhouse capable of storing the excessive heat in underground soil when the illumination is sufficient in the daytime, and releasing the heat when the temperature in the greenhouse drops at night, thereby effectively improving the lowest temperature in the greenhouse at night; when the excess heat is exchanged, stored and released, the micro-pores of the infiltrating irrigation pipe provide sufficient diffusion and supplement for oxygen in the soil air, carbon dioxide in the soil air is diffused and transferred, and the oxygen supply quantity required by the growth of crop roots is met to the maximum extent.

In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides a regulation and control device of warmhouse booth soil temperature and soil air oxygen content, is including laying a plurality of filtration irrigation branch pipes that extend along north-south direction in warmhouse booth inside underground, every be provided with a plurality of micropores on the filtration irrigation branch pipe respectively, the south end bending of filtration irrigation branch pipe upwards extends to the ground top and is provided with exhaust apparatus, the north end of filtration irrigation branch pipe is connected with the ventilation and is responsible for, the ventilation is responsible for and is laid along warmhouse booth's north east-west direction, the ventilation is responsible for and is equipped with a plurality of induced air pipelines that lead to warmhouse booth highest point, the upper end of induced air pipeline is connected with ventilation unit, ventilation unit is connected with controlling means.

As the preferred technical scheme, the infiltrating irrigation branch pipes are horizontally laid according to the depth of 50 cm and the distance of 1.5-1.7 m, and the ventilation device is an axial-flow fan.

According to the preferable technical scheme, the control device is an automatic temperature control switch, the automatic temperature control switch comprises a plurality of high-temperature closing switches, and the automatic temperature control switch is located at the upper position of a plant community in the greenhouse.

As the preferred technical scheme, the exhaust device is provided with an anti-blocking filter screen, and the infiltrating irrigation branch pipes and the ventilation main pipe form an underground irrigation net.

As a preferred technical scheme, the diameter of the filtration irrigation branch pipe is 3-8 cm, and the diameter of the ventilation main pipe and the diameter of the induced draft pipeline are 11-20 cm.

By adopting the technical scheme, the regulating device for the soil temperature and the air oxygen content of the soil of the greenhouse comprises a plurality of infiltrating irrigation branch pipes which are paved in the interior of the greenhouse and extend along the north-south direction, each infiltrating irrigation branch pipe is provided with a plurality of micropores, the south ends of the infiltrating irrigation branch pipes bend and extend upwards to the upper part of the ground, the north ends of the infiltrating irrigation branch pipes are connected with a ventilation main pipe, the ventilation main pipe is paved along the east-west direction of the north side of the greenhouse, the ventilation main pipe is provided with a plurality of air guide pipelines leading to the highest position of the greenhouse, the upper ends of the air guide pipelines are connected with a ventilation device, and the ventilation device is connected with a control device; the utility model has the advantages that: the infiltrating irrigation branch pipes laid in the greenhouse along the north-south direction are provided with the micropores, the micropores can be ventilated and permeable, but soil particles cannot pass through, and the whole pipe network of the infiltrating irrigation branch pipes is laid on the same horizontal plane. One end of the filtration irrigation branch pipe can exhaust air through the exhaust device, the ventilation main pipe is communicated with each filtration irrigation branch pipe, the ventilation main pipe is communicated with the ventilation device located at the highest position of the greenhouse, when illumination reaches a certain illumination intensity in daytime, the temperature of the upper part in the greenhouse rises to a certain critical temperature, the control device controls the ventilation device to be started, high-temperature air at the top of the greenhouse enters the ventilation main pipe through the air induction pipeline and then enters each filtration irrigation branch pipe, heat energy carried by the high-temperature air is conducted to soil underground of the greenhouse through the walls of the filtration irrigation branch pipes, the temperature is reduced and dehumidified, the heat is transferred to the soil, and low-temperature air after being reduced is exhausted through the exhaust device to form the up-and-down circulation of the air. Therefore, the excessive heat at the upper part of the greenhouse can be transferred to the underground soil for storage in the daytime, and at night, the heat energy stored in the underground soil is slowly and upwards conducted to the earth surface to heat the air on the earth surface, so that the effect similar to that of floor heating is realized, and the temperature at night in the greenhouse is maintained. The ventilation process not only realizes the cyclic utilization of heat, but also realizes the exchange of oxygen and carbon dioxide in the soil air, and increases the oxygen content in the soil air. The pipe network can also be used as irrigation, water mixed with soluble fertilizer or pesticides for preventing and controlling pests is conveyed into the ventilation main pipe through the infusion pump during irrigation, then the surrounding soil is infiltrated through the micropores on the infiltration irrigation branch pipes which are connected and distributed in the whole underground pipe network, the liquid level in the ventilation main pipe is kept to be 10 cm or so lower than the ground for 8-10 hours, the soil at different time can infiltrate the whole plant rhizosphere soil, meanwhile, under the condition that normal water demand of crops is guaranteed, the ground surface can be kept dry, the ground water evaporation capacity is reduced, the humidity in the greenhouse is reduced, and the integrated regulation and control of water, fertilizer, gas and heat in the greenhouse are realized.

Drawings

The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:

FIG. 1 is a schematic perspective view of an embodiment of the present invention

In the figure: 1-infiltrating irrigation branch pipe; 2-micropores; 3-an exhaust device; 4-a ventilation main pipe; 5-a right-angled elbow; 6-axial flow fan; 7-a tee joint; 8-a water delivery pump; 9-anti-blocking filter screen; 10-a tap water pipe; 11-a water reservoir; 12-automatic limit switch; 13-a liquid preparation pool; 14-a transfusion tube; 15-liquid feeding pump; 16-draught duct.

Detailed Description

The invention is further explained below with reference to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.

As shown in fig. 1, a regulation and control device of warmhouse booth soil temperature and soil air oxygen content, including lay a plurality of filtration irrigation branch pipes 1 that extend in the north-south direction in warmhouse booth underground, every be provided with a plurality of micropores 2 on the filtration irrigation branch pipe 1 respectively, the south end bending of filtration irrigation branch pipe 1 upwards extends to the ground top and is provided with exhaust apparatus 3, the north end of filtration irrigation branch pipe 1 is connected with the ventilation and is responsible for 4, the ventilation is responsible for 4 and is laid along the north east-west direction of warmhouse booth, be equipped with a plurality of induced air pipelines 16 that lead to warmhouse booth highest department on the ventilation is responsible for 4, ventilation unit is connected to the upper end of induced air pipeline 16, ventilation unit is connected with controlling means.

As the infiltrating irrigation branch pipe 1 is provided with the micropores 2, the size of the micropores 2 can be ventilated and permeated, but soil particles can not pass through, and the whole pipe network of the infiltrating irrigation branch pipe 1 is laid on the same horizontal plane. The south ends of the infiltrating irrigation branch pipes 1 can discharge air through the exhaust devices 3, the ventilation main pipe 4 is communicated with the north ends of the infiltrating irrigation branch pipes 1, the ventilation main pipe 4 is communicated with the ventilation device 6 positioned at the highest position of the greenhouse through the air guide pipeline 16, the air guide pipeline 16 is uniformly arranged on the ventilation main pipe 4 according to the ventilation flow rate of the infiltrating irrigation branch pipes 1 at a certain interval, the ventilation main pipe 4 is connected with the air guide pipeline 16 by a tee joint 7 at about 20 m intervals, when the illumination reaches a certain illumination intensity in the daytime, the upper air temperature in the greenhouse rises to a certain critical temperature, the control device controls the ventilation device to work, so that the high-temperature air at the top of the greenhouse enters the ventilation main pipe 4 through the ventilation device, then enters each infiltrating irrigation branch pipe 1, and the heat energy carried by the high-temperature air is conducted to the soil around the infiltrating irrigation branch pipes 1 through the walls of the infiltrating irrigation branch pipes, and (3) cooling and dehumidifying, wherein heat is transferred to soil, and the cooled low-temperature air is discharged by the exhaust device 3 to form the up-and-down circulation of the air. Therefore, the excessive heat at the upper part of the greenhouse can be transferred to the underground soil for storage in the daytime, and at night, the heat energy stored in the underground soil is slowly and upwards conducted to the earth surface to heat the air on the earth surface, so that the effect similar to that of floor heating is realized, and the temperature at night in the greenhouse is maintained. The ventilation process not only realizes the recycling of heat, but also increases the exchange of oxygen and carbon dioxide in the soil air and improves the oxygen content of the soil air through the physical diffusion effect of the air in the soil and the air in the infiltration irrigation pipe through the micropores 2 on the infiltration irrigation branch pipe 1.

When crops need watering, water flows into the ventilation main pipe 4, the water surface of the pipeline of the ventilation main pipe 4 is controlled by the automatic limit switch 12 to be lower than the ground by about 10 centimeters, and the soil can be completely infiltrated within 8 to 10 hours generally according to different physical properties of the soil. The water input into the main ventilation pipe 4 can be dissolved with fertilizer or pesticide for killing insects and curing diseases required by crops, enters the infiltrating irrigation branch pipe 1 through the main ventilation pipe 4, seeps out and infiltrates soil through the micropores 2 on the infiltrating irrigation branch pipe 1, the water infiltrates the soil upwards from the lower part by counter-gravity, and the watering is stopped when the water content of the plant rhizosphere meets the requirement. The ground surface can be kept dry by properly controlling the time, so that the evaporation of water vapor on the ground surface is reduced, the humidity in the shed is obviously reduced, and the occurrence of diseases is effectively reduced. Realizes the integrated regulation and control effect of water, fertilizer, gas and heat.

As shown in fig. 1, the exhaust device 3 of the filtration irrigation branch pipe 1 is provided with an anti-blocking filter screen 9, and the filtration irrigation branch pipe 1 and the ventilation main pipe 4 form an underground irrigation net. The exhaust device 3 is installed on the infiltrating irrigation branch pipe 1 through a right-angle elbow 5, and the anti-blocking filter screen 9 is arranged inside the exhaust device 3.

As shown in figure 1, the infiltrating irrigation branch pipes 1 are horizontally laid according to the depth of 50 cm and the distance of 1.5-1.7 m, and the ventilation device is an axial flow fan 6. When the axial-flow fan 6 works, high-temperature air at the top of the greenhouse is introduced into the ventilation main pipe 4, enters the infiltrating irrigation branch pipe 1 through the ventilation main pipe 4 and is exhausted by the exhaust device 3.

The control device is an automatic temperature control switch, the automatic temperature control switch comprises a plurality of high-temperature closing switches, and the automatic temperature control switch is located at the position of about 100 centimeters above the plant community in the greenhouse. The automatic temperature control switch can be physically deformed in the switch according to the temperature change of the working environment, so that a series of automatic control elements which have certain special effects and generate on-off actions are generated, wherein the automatic control elements are called temperature control switches, temperature protectors or temperature controllers, and temperature controllers for short. Or the temperature protector transmits the temperature to the temperature controller, and the temperature controller sends out a switching command, so that the operation of the equipment is controlled to achieve the ideal temperature and energy-saving effect. For example, Taimei TM22 temperature controller series can meet the requirements of the utility model.

And when the high-temperature closing switch detects that the temperature in the greenhouse is higher than a critical value, the high-temperature closing switch is switched on to control the axial-flow fan 6 to work.

The diameter of the filtration irrigation branch pipe 1 is 3-8 cm, and the filtration irrigation branch pipe 1 is buried in the position 40-60 cm underground. Preferably, the infiltrating irrigation branch pipes 1 are buried 50 cm underground at intervals of 150-170 cm. The main ventilation pipe 4 has a diameter of 16 cm, and the infiltrating irrigation branch pipe 1 can be a permeable and permeable infiltration pipe disclosed in the patent with the name of 'a corrugated permeable and permeable infiltration pipe' and the publication number of CN203411969U, or other permeable and permeable infiltration pipes.

As shown in fig. 1, a liquid preparation tank 13 is connected to the water reservoir 11, an infusion tube 14 is connected to the liquid preparation tank 13, the other end of the infusion tube 14 is connected to the lower end of the main ventilation tube 4, and a liquid feeding pump 15 is mounted on the infusion tube 14. Join in marriage liquid pond 13 and be used for preparing liquid manure solution, water in the cistern 11 is carried through water delivery pump 8 in joining in marriage liquid pond 13, then join in liquid pond 13 and add the fertilizer of appropriate proportion and dissolve, by transfer pump 15 passes through the transfer line 14 is carried the lower extreme of 4 is responsible for in the ventilation, by 4 are responsible for in the ventilation is carried in infiltrating irrigation branch pipe 1, through on the infiltrating irrigation branch pipe 1 micropore 2 fertilizes and waters soil, and the fertilization is even and accurate, implements liquid manure integration and irrigates.

The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a regulation and control device of warmhouse booth soil temperature and soil air oxygen content which characterized in that: including laying a plurality of filtration irrigation branch pipes that extend along north-south direction in greenhouse, every be provided with a plurality of micropores on the filtration irrigation branch pipe respectively, the south end bending of filtration irrigation branch pipe upwards extends to the ground top and is provided with exhaust apparatus, the north end of filtration irrigation branch pipe is connected with the main pipe of ventilating, the main pipe of ventilating is laid along greenhouse's north east-west direction, the ventilation is responsible for and is equipped with a plurality of induced air pipelines that lead to greenhouse highest department, the upper end of induced air pipeline is connected with ventilation unit, ventilation unit is connected with controlling means.

2. The device for regulating and controlling the soil temperature and the air oxygen content of the greenhouse as claimed in claim 1, wherein: the infiltrating irrigation branch pipes are horizontally laid according to the depth of 50 cm and the distance of 1.5-1.7 m, and the ventilation device is an axial flow fan.

3. The device for regulating and controlling the soil temperature and the air oxygen content of the greenhouse as claimed in claim 1, wherein: the control device is an automatic temperature control switch, the automatic temperature control switch comprises a plurality of high-temperature closing switches, and the automatic temperature control switch is located at the upper position of a plant community in the greenhouse.

4. The device for regulating and controlling the soil temperature and the air oxygen content of the greenhouse as claimed in claim 1, wherein: the air exhaust device is provided with an anti-blocking filter screen, and the infiltrating irrigation branch pipes and the ventilation main pipe form an underground irrigation net.

5. The device for controlling the soil temperature and the air oxygen content of the greenhouse as claimed in any one of claims 1 to 4, wherein: the diameter of the filtration irrigation branch pipe is 3-8 cm, and the diameter of the ventilation main pipe and the diameter of the induced draft pipeline are 11-20 cm.