CN2367083Y - Automatic control device for water-saving infiltrating irrigation for soil - Google Patents

Abstract

The utility model relates to an automatic soil water-saving seepage irrigation control device. The device is provided with a water supply action mechanism at the water outlet of the water storage device, and is connected with a water delivery pipeline. The water delivery pipeline is connected with a seepage altar. The upper and lower limits of moisture monitoring, moisture gradient measurement and water level control sensors are respectively installed. The upper and lower limits of moisture monitoring, moisture gradient measurement and water level control sensors are respectively connected to the CPU through the moisture monitoring, moisture measurement and water level control circuits, and the CPU generates control signals to the water supply. Action mechanism, and the soil moisture content is output by the CPU; the utility model can automatically complete moisture, water level control and observation, and rational water use, and can greatly reduce labor intensity and improve efficiency.

Description

Soil water-saving seepage irrigation automatic control device

The utility model relates to an electronic instrument for agricultural modernization field management, in particular to an automatic control device for soil water-saving seepage irrigation.

my country's arid, semi-arid and desert areas are very large, accounting for more than one-third of the total land area, mainly distributed in Northwest, North China and some provinces in Northeast China. These areas are rich in light energy necessary for photosynthesis, but these areas often lack water resources, which restricts the development of agriculture and also restricts the development of industry. Therefore, it affects the ecological balance and directly hinders the development of social productivity. Therefore, saving water and maintaining water balance is the premise of transforming and utilizing deserts, and the direct and effective way to change the ecological environment. How to effectively use water resources for sand control afforestation and irrigation of farmland is a very important issue. In order to grow more agricultural products with limited water resources, water-saving irrigation must be developed to reduce deadweight losses, so that the precious water resources in arid areas can fully exert their due benefits.

With the development of modern computer technology, microelectronics technology, sensor technology and the improvement of computer performance and price ratio, it provides us with the possibility to realize the automatic measurement and control of various physical quantities. Microcomputers have been widely used in agriculture. In agricultural production and water resource utilization, field management is a series of technical measures that run through the process of crop growth and give full play to the active role of people. Scientific field management is mainly determined according to the growth and development of crops, changes in soil, temperature, humidity, and light. Farmland management can rely on experience instead of relying on science after rational use of water and fertilizers and microcomputers, which is conducive to decision-making and management of agricultural modernization.

The purpose of this utility model is to provide an automatic soil water-saving infiltration irrigation control device that can automatically complete the control and observation of water content and water level, so as to facilitate rational irrigation water, greatly reduce labor intensity, and improve efficiency.

The purpose of this utility model can be realized by following measures:

An automatic control device for soil water-saving infiltration and irrigation, including a water storage device, a water supply mechanism, a water delivery pipeline, a seepage altar, etc., a water supply mechanism is provided at the water outlet of the water storage device, and it is connected with a water delivery pipeline to deliver water The pipeline is connected to the infiltration altar, and the soil and the infiltration altar are respectively equipped with a moisture upper and lower limit monitoring sensor, a moisture gradient measurement sensor and a water level control sensor. The moisture measurement circuit and the water level control circuit are connected with the central micro-processing unit, the micro-processing unit generates a control signal to the water supply mechanism, and the micro-processing unit outputs the soil moisture content.

Compared with the prior art, the utility model has the following advantages:

1. The utility model is equipped with moisture, water level upper and lower limit sensors in the soil for infiltration irrigation and in the infiltration altar to control the moisture content in the soil, so as to achieve reasonable irrigation water.

2. The utility model is also equipped with a moisture measuring sensor in the soil, which can observe the dynamic variation of soil moisture and the speed of soil infiltration water, so that the water supply and infiltration irrigation speed can be reasonably controlled.

3. The utility model can greatly reduce the labor intensity of operators and improve work efficiency.

Concrete structure of the present utility model is provided by following accompanying drawing:

Fig. 1 is a schematic diagram of the structure principle of the utility model

1-Water storage device 2-Water supply mechanism 3-Water delivery pipeline 4-Infiltration altar

5-Moisture upper and lower limit monitoring sensor 6-Moisture gradient measurement sensor

Figure 2 is a schematic diagram of the structure of the infiltration altar

7- Water level control sensor

Fig. 3 is a functional block diagram of the utility model circuit

The utility model will also be described in further detail in conjunction with the accompanying drawings 1, 2, and 3 embodiments:

With reference to Fig. 1, 2, 3, a kind of soil water-saving seepage irrigation automatic control device, comprises water storage device 1 as water tank, water supply action mechanism 2 is solenoid valve, water delivery main pipe, branch pipe and capillary pipe 3, seepage altar 4 etc., in The water outlet of water tank 1 is provided with solenoid valve 2, and links to each other with water pipeline 3, and water pipeline 3 links to each other with infiltration altar 4, and three infiltration altars 4 are buried under the soil around the plant; Moisture upper and lower limit monitoring sensor 5, moisture gradient measurement sensor 6 and water level control sensor 7, the embedding of moisture gradient measurement sensor 6 in the soil is buried in a vertical gradient according to distance; and the sensor is a resistor; moisture upper and lower limit monitoring sensor 5, The moisture gradient measurement sensor 6 and the water level control sensor 6 are respectively connected to the central micro-processing unit through the moisture monitoring circuit, the moisture measurement circuit and the water level control circuit. The micro-processing unit generates a control signal to the water supply mechanism 2, and the micro-processing unit outputs the soil moisture content. The moisture monitoring circuit and the moisture measuring circuit use integrated block 4099 as the control circuit, the water level control circuit uses the time base circuit 555 integrated block as the core, the central micro-processing unit can use 80C31 as the CPU, and its peripheral circuits can use conventional circuits.

The working principle of the utility model is as follows:

When the measured value of the soil moisture upper and lower limit monitoring sensor 5 is lower than the lower limit set by the computer, the computer CPU checks whether there is water in the water supply seepage altar 4. Full of water as seeping altar 4, computer just controls electromagnetic valve 2 work, keeps original position. When there is no water in the seeping altar 4, or when lower than the lower limit water level of the water level control sensor 7 in the seeping altar 4, the computer controls the solenoid valve 2 to open. Water tank 1 supplies water to seeping altar 4, and when seeping altar 4 water level reaches seeping altar upper limit water level, main frame automatically controls electromagnetic valve 2 to close, stops to seeping altar 4 water supply. When the soil absorbs water from the infiltration altar 4, the surroundings of the infiltration altar 4 diffuse and infiltrate water to increase the soil moisture. When the water level in the infiltration altar 4 reaches the lower limit, the electromagnetic valve 2 will not open as long as the moisture monitoring value does not reach the lower limit. . Only when the plant root mass area absorbs water and evaporates to make the soil moisture value reach the lower limit value, the main engine controls the electromagnetic valve 2 to open and continue to supply water to the infiltration altar 4, and so on.

Claims (2)

1, a kind of soil water-saving seeping irrigation automaton, comprise water storage device (1), feedwater actuating mechanism (2), aqueduct (3), ooze altar (4) etc., delivery port at water storage device (1) is provided with feedwater actuating mechanism (2), and link to each other with aqueduct (3), aqueduct (3) with ooze altar (4) and link to each other, it is characterized in that at soil and ooze being respectively equipped with moisture bound monitoring sensor (5) in the altar (4), gradation of moisture measuring transducer (6) and water level control sensor (7), moisture bound monitoring sensor (5), gradation of moisture measuring transducer (6) and water level control sensor (6) are respectively by the moisture monitoring circuit, the moisture measurement circuit links to each other with central microprocessing unit with water-level control circuit, control signal to feedwater actuating mechanism (2) by the microprocessing unit generation, and by microprocessing unit output soil water content.

2, soil water-saving seeping irrigation automaton as claimed in claim 1 is characterized in that gradation of moisture measuring transducer (6) burying underground by burying underground apart from being vertical gradient in soil in the described soil.

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