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Automatic irrigation decision system based on negative head water control water supply

A technology of water supply system and irrigation system, which is applied in the field of automatic irrigation decision-making system, can solve the problems of cumbersome and complicated operation, inaccurate control of irrigation water volume, and expensive related instruments, and achieve the goals of simple operation, improved crop productivity, and water-saving crop productivity Effect

Active Publication Date: 2013-07-10
BEIJING RES CENT OF INTELLIGENT EQUIP FOR AGRI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide an automatic irrigation decision-making system based on negative water head control and water supply to solve the problems that the artificial experience decision-making irrigation method in the existing irrigation decision-making technology is not accurate enough to control the irrigation water volume; the related instruments are expensive and the operation is cumbersome and complicated.

Method used

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  • Automatic irrigation decision system based on negative head water control water supply
  • Automatic irrigation decision system based on negative head water control water supply
  • Automatic irrigation decision system based on negative head water control water supply

Examples

Experimental program
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Effect test

Embodiment 1

[0032]The water source of the negative water head control water supply system adopts the first faucet 1 to provide water for the negative head water control water supply system. The negative water head control water supply system is mainly composed of the first filter 2, the first solenoid valve 3, the first flow meter 4, the first capped water storage bucket 5, the float valve 6, the pressure control pipe 7, the gas collecting bottle 8, and the irrigation pipeline 9. Composition of 10 ceramic discs. Firstly, the first water tap 1 is respectively connected with the first capped water storage bucket 5 and the gas collecting bottle 8 of the negative water head control water supply system to supply water to them respectively. The connection between the first faucet 1 and the first water storage bucket 5 with a cover means that the first water faucet 1 is first connected to the first filter 2, and then the first water storage bucket 5 with a cover and the gas collecting bottle 8 a...

Embodiment 2

[0036] The difference between the water source of the negative head control water supply system and the first embodiment is that the first faucet 1 is used in combination with the first Venturi fertilizer suction device 20 to provide nutrient solution for the negative head control water supply system, instead of using the water faucet to control water for the negative head The water supply system supplies water, and the first filter is installed after the first water tap, such as image 3 shown. The water source of the decision-making irrigation system adopts the second faucet combined with the second Venturi fertilizer suction device 21 to inject water and nutrient solution into the second water storage tank 22 with a cover, and a submersible pump 23 is placed at the bottom of the second water storage tank with a cover to provide Nutrient solution is provided by the decision irrigation system, and a second filter is installed after the second faucet. The two positive and neg...

Embodiment 3

[0038] The difference between the water source of the negative water head control water supply system and the first embodiment is that the nutrient solution is evenly mixed and injected into the water storage container 24, and the water outlet of the water storage container is connected to the first electromagnetic valve, the first flow meter and the float valve in sequence, and the float valve is fixed. On the upper side wall of the first water storage tank with a cover, the first electromagnetic valve and the float valve are used to simultaneously control the water level in the first water storage tank with a cover to keep constant, so as to provide the nutrient solution for the negative water head control water supply system, such as Figure 5 As shown, the remaining specific implementation methods of the negative head control water supply system are the same as those described in the first embodiment. The difference between the water source of the determined irrigation syst...

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Abstract

The invention discloses an automatic irrigation decision system based on negative head water control water supply. The automatic irrigation decision system comprises a negative head water control water supply system water source, a negative head water control water supply system, a to-be-decided irrigation system water source, and a to-be-decided irrigation system. A negative head water control water supply irrigation system is used as the irrigation decision system and is matched with an automatic drip irrigation system, irrigation water amount of the drip irrigation system can be decided according to water consumption of different crops at different growth stages, namely total water amount sucked by a negative head ceramic disc, calculating and predicting appropriate irrigation time and water amount by monitoring of crop physical index, soil moisture parameter index and climate parameters is unnecessary, more water can be saved, yield and potential of crops can be increased, cost can be lowered, and simple operation is achieved.

Description

technical field [0001] The invention relates to the technical field of agricultural water-saving irrigation, in particular to an automatic irrigation decision-making system based on negative water head control and water supply. Background technique [0002] At present, precision agriculture has developed rapidly, and many scholars have changed from the traditional concept of "irrigation is watering the land" to the new concept of "irrigation is watering crops", and precise control of crop irrigation. Most researchers at home and abroad believe that to achieve precision irrigation, crops must be irrigated in a timely and appropriate manner, and two key issues need to be solved: "when to irrigate" and "how much to irrigate". Precision irrigation decision-making is to intelligently guide the crop irrigation amount through one or several decision-making indicators, and then realize the precise irrigation amount. There are three commonly used irrigation decision-making indicator...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G25/16
Inventor 薛绪掌张芳王利春张建丰郭文忠李宁陈菲
Owner BEIJING RES CENT OF INTELLIGENT EQUIP FOR AGRI
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