CN115918507A - A Precise Afforestation System in Desert and Gobi Environment with Scarce Precipitation - Google Patents

Abstract

The invention discloses a precise afforestation system in a desert and gobi rainfall rare environment, and relates to the technical field of desert greening; comprises a power generation water collection drip irrigation device and a plant root water retention device; the power generation water collection drip irrigation device comprises an inverted-cone-shaped rainwater collection cover, the bottom of the rainwater collection cover is connected with a drip irrigation device, and a water pipeline part of the drip irrigation device is connected to the roots of plants; the inner surface of the rainwater collecting cover is provided with a solar photovoltaic panel, and the solar photovoltaic panel is connected with a photovoltaic power generation device; the plant root water retention device comprises a bottom pot, plant roots are planted in the bottom pot, the bottom pot is arranged in desert soil, the soil in the bottom pot is connected with a temperature and humidity sensor, the bottom of the bottom pot is connected with a water absorption strip, and the water absorption strip extends to a groundwater layer in the desert soil; the device aims at the condition that the desert environment is extremely lack of water resources, the limited water resources are fully utilized to accurately irrigate the green vegetation in the desert, and the problem that the water resources in the desert environment are unreasonably and insufficiently utilized is solved.

Description

A Precise Afforestation System in Desert and Gobi Environment with Scarce Precipitation

technical field

The invention relates to the technical field of vegetation greening, in particular to a precision afforestation system in deserts and Gobi environments with little precipitation.

Background technique

Deserts have high temperatures during the day, low temperatures at night, and strong wind and sand. The key is the lack of water in the desert, so plants must overcome harsh environments such as water shortage, high temperature, and sandstorms to grow in the desert; the transformation of desert areas is inseparable from the growth of vegetation. However, the annual rainfall in the desert area is very small, even if it rains, the rainwater will soon seep into the ground, the water cannot be preserved, and it is not suitable for plant growth. At present, drip irrigation equipment is also used to irrigate desert vegetation, but the current drip irrigation device directly draws the external water source through the water pump and drips the water on the root soil of the plant through the drip irrigation pipe, which cannot use the rainfall in the planting area, and the water drips on the soil It needs to flow down slowly to be absorbed by the plant roots. When it flows, it will be evaporated by the high temperature outside, resulting in waste of water.

Patent CN 102943503 A is a drip irrigation device for collecting rainwater and storing water in deserts. It includes V-shaped water collection tanks and rain collecting pipes evenly distributed on the upper surface of the brick body supported by the brick body support. The side is provided with a rain collecting main pipe and connected to the lower storage tank. The lower storage tank is connected to the upper storage tank through a pumping pipe, and the upper storage tank is connected to the brick body through a drip irrigation main pipe. This device uses a large water collection platform to collect a very small amount of rainwater in desert areas. The amount of drip irrigation water needs to be controlled, but the device occupies a large area, is costly, and requires manual control, which cannot achieve precise vegetation irrigation water maintenance.

Contents of the invention

The patent of this invention overcomes the deficiencies of the existing technology, and proposes a precise afforestation system in deserts and Gobi environments with scarce precipitation; in view of the extreme lack of water resources in deserts and neighboring environments, making full use of limited water resources is beneficial to desert greenness Precise irrigation of vegetation, turning ineffective precipitation into effective precipitation and then concentrated irrigation, solves the problem of efficient use of water resources in desert and Gobi environments.

In order to achieve the above object, the present invention is achieved through the following technical solutions.

A precision afforestation system in deserts and Gobi environments with little precipitation, including a power generation water collection drip irrigation device and a plant root water retention device; the power generation water collection drip irrigation device includes an inverted cone-shaped rainwater collection cover, and the bottom of the rainwater collection cover A drip irrigation device is connected, and the water delivery pipe of the drip irrigation device is connected to the plant root; the inner surface of the rainwater collection cover is provided with a solar photovoltaic panel, and the solar photovoltaic panel is connected with a photovoltaic power generation device; the plant root water retention device Including a bottom basin, the plant roots are planted in the bottom basin, the bottom basin is set in the desert soil, the soil in the bottom basin is connected with a temperature and humidity sensor, the bottom of the bottom basin is connected with a water-absorbing strip, and the water-absorbing The strip extends to the groundwater layer within the desert soil.

Further, the drip irrigation device includes a water storage tank, a throttle valve and a water delivery pipeline, the water storage tank is connected to the bottom of the rainwater collection cover, the water storage tank is connected to the water delivery pipeline through a main pipeline, and the main pipeline is A throttle valve is provided.

Furthermore, the temperature and humidity sensor is connected with a controller, and the controller is connected with a throttle valve.

Furthermore, the photovoltaic power generation device includes a combiner box, an inverter and a battery; the solar photovoltaic panel is connected to the combiner box, the combiner box is connected to an inverter, and the inverter is connected to the battery; The storage battery is connected with a temperature and humidity sensor, a controller and a throttle valve.

Further, the rainwater collection cover is fixed on the desert surface through a support frame.

Further, the bottom pot is formed by mixing and pressing straw and clay.

Further, the absorbent strip is made of cotton and linen.

The beneficial effect that the present invention produces relative to prior art is:

This device is equipped with a power generation water collection drip irrigation device and a plant root water retention device, so that the two cooperate with each other to realize precise irrigation of desert plants, make full and reasonable use of scarce water resources in the desert, and avoid waste of water resources. Overall environmental protection and energy saving, and can effectively irrigate desert vegetation.

The power generation and water collection drip irrigation device combines light energy utilization and rainwater collection, which not only reduces the volume of the equipment but also reduces the cost of the equipment, and can be used and promoted in a large area.

On the one hand, the plant root water retention device can use groundwater from the ground to realize capillary water supply through water-absorbing strips. On the other hand, it can effectively monitor the water content of the plant root soil through the temperature and humidity sensor, and realize drip irrigation adjustment according to the water condition of the root.

Through the feedback of soil moisture at the root, the throttle valve can be adjusted to control the amount of drip irrigation of the collected rainwater to achieve precise drip irrigation. The photovoltaic power generation device can provide power supply for the humidity feedback device, and realize the precise drip irrigation of desert vegetation by the cooperation of the power generation water collection drip irrigation device and the plant root water retention device.

Description of drawings

Fig. 1 is a structural schematic diagram of a precision afforestation system in a desert environment according to the present invention.

FIG. 2 is a partial sectional view of the drip irrigation device for power generation and water collection according to the present invention; wherein, the structures of the combiner box 11 and the inverter 12 are omitted.

Fig. 3 is a front view of the drip irrigation device for power generation and water collection according to the present invention; wherein, the structures of the combiner box 11 and the inverter 12 are omitted.

In the figure, 1-rainwater collection cover; 2-water pipeline; 3-solar photovoltaic panel; 4-bottom basin; 5-temperature and humidity sensor; 6-absorbent strip; 7-groundwater layer; 8-water storage tank; Throttle valve; 10-main pipeline; 11-combiner box; 12-inverter; 13-battery; 14-support frame.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail in combination with the embodiments and accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. The technical solutions of the present invention will be described in detail below in conjunction with the embodiments and accompanying drawings, but the scope of protection is not limited thereto.

With reference to Fig. 1-3, present embodiment proposes a kind of precision afforestation system in desert, Gobi's precipitation-sparse environment, comprises power generation water collection drip irrigation device and plant root water retention device; The main function of power generation water collection drip irrigation device is to collect solar energy and It is converted into electrical energy to provide electrical energy for the electrical equipment of the entire device, and at the same time it can collect rainwater to store rainwater and perform drip irrigation on the roots of plants; the plant root water retention device is installed at the root of the plant, the function is to permeate and retain water, continuously provide water for the plant roots, and monitor the roots at the same time soil moisture.

Specifically, the drip irrigation device for power generation includes an inverted cone-shaped rainwater collection cover 1 , and the rainwater collection cover 1 is fixed on the desert surface through a support frame 14 . The inner surface of the rainwater collection cover 1 is provided with a solar photovoltaic panel 3, and the solar photovoltaic panel 3 is connected with a photovoltaic power generation device; the photovoltaic power generation device is a conventional photovoltaic power generation system, mainly including a combiner box 11, an inverter 12 and a storage battery 13 ; The solar photovoltaic panel 3 is connected with the combiner box 11, the combiner box 11 is connected with the inverter 12, and the inverter 12 is connected with the battery 13; the light energy is converted into electric energy and stored in the battery 13 for use by the system .

A drip irrigation device is connected to the bottom of the rainwater collection cover 1. The drip irrigation device includes a water storage tank 8, a throttle valve 9 and a water delivery pipeline 2. The water storage tank 8 is connected to the bottom of the rainwater collection cover 1, and rainwater flows into the bottom through the rainwater collection cover 1. water storage tank 8; The water pipeline 2 extends all the way to the roots of the plants.

The plant root water retention device includes a bottom basin 4, which is formed by mixing and firing straw and clay, and has the function of water retention. Plant roots are planted in the bottom basin 4, and the bottom basin 4 is embedded in the desert soil. The temperature and humidity sensor 5 is inserted into the soil in the bottom basin 4. The bottom of the bottom basin 4 is also connected with a water-absorbing strip 6, which is made of sponge material. The water-absorbing strip 6 extends to the groundwater layer 7 in the desert soil to form a capillary water supply system to continuously provide a moist environment for the implanted roots.

Wherein, the temperature and humidity sensor 5 is connected with the PLC controller, and the PLC controller is connected with the throttle valve 9 . The temperature and humidity signals of the plant root soil are fed back through the temperature and humidity sensor 5. When the humidity is less than the preset value, the PLC controller controls the throttle valve 9 to open to make the drip irrigation device work; when the humidity reaches the preset value, it is controlled by the PLC controller. The throttling valve 9 is closed, and the drip irrigation device stops working, so as to avoid unlimited use of stored water. The storage battery 13 is respectively connected with the temperature and humidity sensor 5, the PLC controller, and the throttle valve 9 to provide electric energy therefor.

The specific working process of this device is:

Rainwater is collected and stored to the water storage tank 8 through a rainwater collection cover, and the water storage tank 8 is accurately transported to the roots of the trees and shrubs cultivated by the bottom basin 4 through the drip irrigation device; the trees and shrubs in this embodiment are drought-resistant heights less than 1.5 meters Low shrubs; the capillary channel formed by the water-absorbing strip 6 transports water to the roots; the temperature and humidity sensor 5 is inserted into the bottom basin 4 to monitor the temperature and humidity of the soil, and the photovoltaic power generation system provides electric energy. When the water is insufficient, the PLC controls The controller controls the opening of the throttle valve 9, and delivers water to the roots of the plants through the drip irrigation device. When the humidity reaches the standard, the throttle valve 9 is closed, and the drip irrigation system stops working.

This device is equipped with a power generation water collection drip irrigation device and a plant root water retention device, so that the two cooperate with each other to realize precise irrigation of desert plants, make full and reasonable use of scarce water resources in the desert, and avoid waste of water resources. Overall environmental protection and energy saving, and can effectively irrigate desert vegetation.

The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments. It cannot be determined that the specific embodiments of the present invention are limited thereto. Under the circumstances, some simple deduction or replacement can also be made, all of which should be regarded as belonging to the scope of patent protection determined by the submitted claims of the present invention.

Claims (7)

1. A precise afforestation system in an environment with little precipitation in desert and Gobi is characterized by comprising a power generation and water collection drip irrigation device and a plant root water retention device; the power generation water collection drip irrigation device comprises an inverted-cone-shaped rainwater collection cover (1), the bottom of the rainwater collection cover (1) is connected with a drip irrigation device, and a water delivery pipeline (2) of the drip irrigation device is connected to the roots of plants; the inner surface of the rainwater collecting cover (1) is provided with a solar photovoltaic panel (3), and the solar photovoltaic panel (3) is connected with a photovoltaic power generation device; plant roots device of moisturizing includes end basin (4), plant roots plants in end basin (4), end basin (4) set up in desert soil, soil in end basin (4) is connected with temperature and humidity sensor (5), end basin (4) bottom is connected with water absorption strip (6), water absorption strip (6) extend to groundwater layer (7) in the desert soil.

2. The accurate afforestation system in the scarce environment of desert, gobi's precipitation of claim 1, characterized in that, the drip irrigation device includes water storage tank (8), choke valve (9) and conduit (2), water storage tank (8) are connected in the bottom of rainwater collection cover (1), water storage tank (8) are connected with conduit (2) through trunk line (10), be provided with choke valve (9) on trunk line (10).

3. A precision afforestation system in an environment with scarce rainfall in desert or gobi according to claim 2, characterized in that the temperature and humidity sensor (5) is connected with a controller, and the controller is connected with a throttle valve (9).

4. A precision afforestation system in an environment with scarce rainfall in desert, gobi according to claim 3, characterized in that said photovoltaic power generation means comprise a combiner box (11), an inverter (12) and a storage battery (13); the solar photovoltaic panel (3) is connected with a junction box (11), the junction box (11) is connected with an inverter (12), and the inverter (12) is connected with a storage battery (13); the storage battery (13) is connected with the temperature and humidity sensor (5), the controller and the throttle valve (9).

5. A precision afforestation system in a desert, gobi environment with low rainfall, according to claim 1, characterized in that the rainwater collection cover (1) is fixed on the desert surface by means of a support frame (14).

6. The precision afforestation system in environments with scarce rainfall in desert and gobi according to claim 1, characterized in that the bottom basin (4) is made by mixing and pressing straw and clay.

7. An accurate afforestation system in a desert, gobi environment with little precipitation according to claim 1, characterized in that the water-absorbing strips (6) are made of cotton and hemp.

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