CN113196996A

CN113196996A - Water-saving drip irrigation adjusting device for vegetable greenhouse

Info

Publication number: CN113196996A
Application number: CN202110411860.4A
Authority: CN
Inventors: 张登明
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-08-03

Abstract

The invention relates to the technical field of energy conservation and environmental protection, and discloses a water-saving drip irrigation adjusting device for a vegetable greenhouse, which comprises a water storage device, wherein one side of the water storage device is fixedly connected with a water outlet, one side of the water outlet is fixedly connected with an adjusting device, the bottom end of the adjusting device is fixedly connected with a capillary tube, one end of the capillary tube is fixedly connected with a water storage ball, one side of the water storage ball is fixedly connected with isolating cotton, the top end of the adjusting device is fixedly connected with an air inlet pipe, one side of the adjusting device is fixedly connected with an air outlet, the middle inside of the adjusting device is movably connected with a sealing partition plate, two sides of the sealing partition plate are fixedly connected with side cylinders, and the inside of each side cylinder is movably connected with a sealing plate. The irrigation water in the capillary tube is absorbed by the osmotic pressure of the underground soil, so that the irrigation water is automatically supplemented into the water storage ball from the capillary tube to avoid additional arrangement of a power source in the drip irrigation process, the operation cost is reduced, and the energy is saved.

Description

Water-saving drip irrigation adjusting device for vegetable greenhouse

Technical Field

The invention relates to the technical field of energy conservation and environmental protection, in particular to a water-saving drip irrigation adjusting device for a vegetable greenhouse.

Background

In greenhouse vegetable planting, irrigation usually adopts rough and violent water spraying, which not only causes uneven spraying and low utilization rate of large-area irrigation water spraying, but also causes certain damage to leaves and roots of vegetables due to large impact force of water flow, and is not beneficial to growth and appearance of the vegetables; the carbon dioxide content in the normal outdoor air is about 400ppm, and in the greenhouse for planting vegetables, because the crop cultivation density is high and the photosynthesis speed is high, the carbon dioxide in the greenhouse cannot meet the requirements of crops, the photosynthesis efficiency is reduced, and the organic matters are not beneficial to the quick accumulation of the vegetables in the greenhouse; therefore, many intelligent greenhouses adopt a drip irrigation mode to save water and avoid water flow impact, and carbon dioxide is additionally supplemented into the greenhouse to improve the photosynthetic efficiency.

However, the conventional irrigation is carried out when the plants lack water, the opening degree of the valve needs to be continuously adjusted according to the growth state of the crops, when the illumination recombination photosynthesis is vigorous, the demands of the crops on water and carbon dioxide are high, the supply of the water and the carbon dioxide needs to be increased, if the regulation is not carried out in time, the rate of the photosynthesis is influenced, the utilization rate of light energy is low, the accumulation of organic matters influencing the vegetables is reduced, and the value of the vegetables is reduced; water in the water storage tank flows into the drip irrigation head through the motor or the pump and then drips downwards to the root of the vegetable for irrigation, power needs to be additionally provided in the process, and the operation cost of the vegetable greenhouse is improved.

Disclosure of Invention

Aiming at the defects of the existing greenhouse drip irrigation device in the background technology in the using process, the invention provides a water-saving drip irrigation adjusting device for a vegetable greenhouse, which has the advantages of water saving, automatic control and utilization of vegetable nutrient accumulation and solves the technical problems in the background technology.

The invention provides the following technical scheme: a water-saving drip irrigation adjusting device for a vegetable greenhouse comprises a water storage device, one side of the water storage device is fixedly connected with a water outlet, one side of the water outlet is fixedly connected with an adjusting device, the bottom end of the adjusting device is fixedly connected with a capillary tube, one end of the capillary tube is fixedly connected with a water storage ball, one side of the water storage ball is fixedly connected with an isolating cotton, the top end of the adjusting device is fixedly connected with an air inlet pipe, one side of the adjusting device is fixedly connected with an air outlet, the middle inside of the adjusting device is movably connected with a sealing partition plate, two sides of the sealing partition plate are fixedly connected with side cylinders, a sealing plate is movably connected inside the side cylinders, the top end inside the adjusting device is fixedly connected with a sealing magnetic block, the top end of the sealing plate is fixedly connected with an upper magnetic block, the bottom end of the sealing plate is fixedly connected with a lower magnetic block, and the bottom end of the side cylinders is fixedly connected with an opening magnetic block, and the bottom end of the sealing partition plate is fixedly connected with a spring.

Preferably, the isolating cotton is made of absorbent cellucotton, and the diameter of a cotton hole can be reduced during negative pressure to prevent soil from being poured into the isolating cotton.

Preferably, the polarities of the sealing magnetic block and the upper magnetic block are opposite, the polarities of the lower magnetic block and the opening magnetic block are opposite, and the magnetic force of the former mutual attraction is larger than that of the latter mutual attraction.

Preferably, the adjustment device is elongate and the sealing diaphragm is movable up and down along a central axis of the adjustment device.

Preferably, one side of the side cylinder close to the inner wall of the adjusting device is free of a cylinder edge, and the sealing plate can move up and down along the side cylinder.

Preferably, one end of the air inlet pipe and one end of the water outlet are fixedly provided with one-way valves, the flowing direction of the one-way valves is from the outside to the inside of the adjusting device, one end of the air outlet and one end of the capillary are fixedly connected with one-way valves, and the flowing direction of the one-way valves is from the inside of the adjusting device to the outside.

The invention has the following beneficial effects:

1. according to the invention, the water dripping head on the ground in the original drip irrigation device is arranged in the underground soil, the negative pressure in the water storage ball is formed by utilizing the osmotic pressure of the underground soil, the irrigation water is sucked to be automatically supplemented into the water storage ball through the capillary, and the arrangement of the water pump and the water dripping head on the ground in the original drip irrigation device is replaced, so that the additional arrangement of energy power equipment is not needed when the irrigation water enters the soil, the operation cost of greenhouse irrigation is reduced, and the energy is saved.

2. The invention improves the light energy utilization rate and the organic matter accumulation of vegetables by supplementing carbon dioxide gas into the greenhouse, simultaneously utilizes the high temperature generated by illumination to heat the gas in the carbon dioxide injection pipe to expand, and combines the combined action of the sealing plate, the magnetic block and the spring to realize the purpose of accelerating the supplement and irrigation of irrigation water in the automatic adjusting device under the condition of no external power, realize the effect of automatically improving the irrigation water quantity under the condition of strong photosynthesis and avoid the problem of low photosynthesis efficiency caused by the lack of carbon dioxide and water under the condition of good illumination.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a sectional view of the structure of the adjusting device of the present invention;

fig. 3 is a schematic diagram of the adjustment structure of the present invention.

In the figure: 1. a water storage device; 2. a water outlet pipe; 3. an adjustment device; 4. a capillary tube; 5. a water storage ball; 6. isolating cotton; 7. an air inlet pipe; 8. an air outlet; 9. sealing the partition plate; 10. a side cylinder; 11. a closing plate; 12. a closed magnetic block; 13. an upper magnetic block; 14. a lower magnetic block; 15. opening the magnetic block; 16. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a water-saving drip irrigation adjusting device for a vegetable greenhouse comprises a water storage device 1, a water outlet 2 is fixedly connected to one side of the water storage device 1, an adjusting device 3 is fixedly connected to one side of the water outlet 2, a capillary tube 4 is fixedly connected to the bottom end of the adjusting device 3, the length of the capillary tube 4 is 50cm, the inner diameter of the capillary tube is 5mm, a water storage ball 5 is fixedly connected to one end of the capillary tube 4, the water storage ball 5 is buried in soil serving as a root underground, an isolating cotton 6 is fixedly connected to one side of the water storage ball 5, the isolating cotton 6 can isolate outside soil and prevent the outside soil from entering the water storage ball 5, a humidity difference is formed on two sides of the isolating cotton 6 under the effects of water storage in the water storage ball 5 on the left side and dry soil on the right side, water in the water storage ball 5 is absorbed and permeated into the soil on the right side by the isolating cotton 6, and a negative pressure is formed in the water storage ball 5, and the capillary 4 absorbs irrigation water and supplies the irrigation water to the water storage ball 5 to weaken negative pressure and strengthen the humidity difference at two sides of the isolation cotton 6, thereby realizing automatic water-replenishing irrigation of a drip irrigation opening, eliminating the original power equipment such as a water pump and the like at a water pool, reducing the operation cost and simultaneously saving energy of the drip irrigation device.

An air inlet pipe 7 is fixedly connected to the top end of the adjusting device 3, an air outlet 8 is fixedly connected to one side of the adjusting device 3, a sealing partition plate 9 is movably connected to the middle inside the adjusting device 3, side cylinders 10 are fixedly connected to two sides of the sealing partition plate 9, no cylinder edge is arranged on one side, close to the inner wall of the adjusting device 3, of each side cylinder 10, a sealing plate 11 is movably connected to the inside of each side cylinder 10, the sealing plate 11 can move up and down in each side cylinder 10, a sealing magnet 12 is fixedly connected to the top end inside the adjusting device 3, an upper magnet 13 is fixedly connected to the top end of each sealing plate 11, the opposite polarities of the sealing magnet 12 and the upper magnet 13 are opposite, a lower magnet 14 is fixedly connected to the bottom end of each sealing plate 11, an opening magnet 15 is fixedly connected to the bottom end of each side cylinder 10, the opposite polarities of the lower magnet 14 and the opening magnet 15 are opposite, and the magnetism between the sealing magnet 12 and the upper magnet 13 is larger than that of the lower magnet 14, The magnetism between the magnetic blocks 15 is opened, and the bottom end of the sealing partition plate 9 is fixedly connected with a spring 16.

Wherein, a one-way valve is fixedly arranged at one end of the air inlet pipe 7 and one end of the water outlet 2, the flowing direction of the one-way valve is from the outside to the inside of the adjusting device 3, the air outlet 8 and one end of the capillary 4 are fixedly connected with the one-way valve, the flowing direction of the one-way valve is from the inside of the adjusting device 3 to the outside, when the illumination is sufficient and the photosynthesis speed is high, because the whole structure of the adjusting device 3 is slender, the air blown into the adjusting device 3 from the air inlet pipe 7 is heated to expand, the sealing partition plate 9 is pushed to move downwards, meanwhile, the lower magnetic block 14 is separated from the opening magnetic block 15, the sealing plate 11 is enabled to extend upwards, the sealing magnetic block 12 and the upper magnetic block 13 are always attracted, the sealing air outlet 8 is always sealed in the process to ensure the airtight expansion of the air, the sealing partition plate 9 which moves downwards at the bottom of the adjusting device 3 at the moment, the irrigation water in the adjusting device is enabled to be quickly injected into the water storage ball 5 through the capillary 4 under high pressure, in order to improve the humidity difference of 6 both sides of isolation cotton, accelerate the supply of crop root moisture, when expanding to sealed magnetic path 12 and last magnetic path 13 and break away from, closing plate 11 is fallen by gravity and makes lower magnetic path 14, open magnetic path 15 to the actuation, gas outlet 8 opens this moment, 3 top atmospheric pressure of adjusting device weakens, sealed baffle 9 receives 17 effects to reset, make 3 top carbon dioxide of adjusting device discharge by gas outlet 8 department, supply to the canopy in, simultaneously, the bottom of adjusting device 3 inhales irrigation water once more through delivery port 2 and replenishes its bottom, realized at photosynthesis speed height automatic replenishment carbon dioxide and improvement moisturizing volume.

The using method of the invention has the following working principle:

under the normal state, the isolation cotton 6 permeates through the humidity difference at two sides, the irrigation water in the left water storage ball 5 permeates into the right soil, meanwhile, negative pressure is formed in the water storage ball 5, the irrigation water in the adjusting device 3 flows along the capillary tube 4 and is supplemented into the water storage ball 5, so that irrigation without external power is realized, when the illumination is strong and the photosynthesis speed is high and a large amount of water and carbon dioxide are needed, the illumination heats and expands the gas at the upper side of the adjusting device 3 to push the sealing partition plate 9 to move downwards, the irrigation water at the bottom end of the adjusting device 3 is pressed to be supplemented quickly, and when the sealing partition plate 9 moves downwards to separate the sealing magnetic block 12 from the upper magnetic block 13, the sealing plate 11 falls to enable the lower magnetic block 14 and the opening magnetic block 15 to adsorb, the gas outlet 8 is opened, the sealing partition plate 9 is moved upwards by the spring 16 to push the carbon dioxide at the upper side to flow and supplement into the greenhouse room until the gas outlet 8 is sealed again by the side tube 10, the sealed magnetic block 12 and the upper magnetic block 13 are attracted again to circulate, so that the accelerated supply of moisture and the supplement of required carbon dioxide are realized when the illumination is strong, the process only needs to supply power when the carbon dioxide is supplied, the power supply of a water pump and the like at the water outlet 2 is saved, and the irrigation device is more energy-saving and environment-friendly.

It is noted that, herein, relational terms such as first and second, and the like may 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. Also, 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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a regulator device is driped irrigation in vegetable greenhouse water conservation, includes water storage device (1), one side fixedly connected with delivery port (2) of water storage device (1), one side fixedly connected with adjusting device (3) of delivery port (2), the bottom fixedly connected with capillary (4) of adjusting device (3), its characterized in that: one end of the capillary tube (4) is fixedly connected with a water storage ball (5), one side of the water storage ball (5) is fixedly connected with an isolation cotton (6), the top end of the adjusting device (3) is fixedly connected with an air inlet pipe (7), one side of the adjusting device (3) is fixedly connected with an air outlet (8), the middle inside the adjusting device (3) is movably connected with a sealing partition plate (9), two sides of the sealing partition plate (9) are fixedly connected with side cylinders (10), the inside of each side cylinder (10) is movably connected with a sealing plate (11), the top end inside the adjusting device (3) is fixedly connected with a sealing magnetic block (12), the top end of each sealing plate (11) is fixedly connected with an upper magnetic block (13), the bottom end of each sealing plate (11) is fixedly connected with a lower magnetic block (14), and the bottom end of each side cylinder (10) is fixedly connected with an opening magnetic block (15), and the bottom end of the sealing partition plate (9) is fixedly connected with a spring (16).

2. The water-saving drip irrigation adjusting device for the vegetable greenhouse as claimed in claim 1, wherein: the isolating cotton (6) is made of absorbent cellucotton, and the diameter of a cotton hole can be reduced during negative pressure to prevent soil from being poured in.

3. The water-saving drip irrigation adjusting device for the vegetable greenhouse as claimed in claim 1, wherein: the polarities of the sealing magnetic block (12) and the upper magnetic block (13) are opposite, the polarities of the lower magnetic block (14) and the opening magnetic block (15) are opposite, and the magnetic force of the mutual attraction of the sealing magnetic block and the opening magnetic block is larger than that of the mutual attraction of the opening magnetic block and the opening magnetic block.

4. The water-saving drip irrigation adjusting device for the vegetable greenhouse as claimed in claim 1, wherein: the adjusting device (3) is slender, and the sealing partition plate (9) can move up and down along the central axis of the adjusting device (3).

5. The water-saving drip irrigation adjusting device for the vegetable greenhouse as claimed in claim 1, wherein: one side of the side cylinder (10) close to the inner wall of the adjusting device (3) is free of a cylinder edge, and the sealing plate (11) can move up and down along the side cylinder (10).

6. The water-saving drip irrigation adjusting device for the vegetable greenhouse as claimed in claim 1, wherein: intake pipe (7) and the one end fixed mounting of delivery port (2) have a check valve, and its circulation direction is by the inside of outer flow direction adjusting device (3), the one end fixedly connected with check valve of gas outlet (8) and capillary (4), its circulation direction is outside for the inside by adjusting device (3).