Real-time online analyzer for measuring water content in greenhouse soil

A technology of soil moisture and analyzer, which is applied in the direction of instruments, soil material testing, signal transmission systems, etc. It can solve the problems of measurement results that need to be considered, human interference factors, laborious and other problems, so as to achieve simple operation and popularization. , the effect of simple structure

Inactive Publication Date: 2012-07-04
XIAN LIANYOU ELECTRONICS TECH
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Problems solved by technology

The traditional manual measurement method is time-consuming and labor-intensive, the measurem...

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  • Real-time online analyzer for measuring water content in greenhouse soil
  • Real-time online analyzer for measuring water content in greenhouse soil

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Embodiment Construction

[0024] Such as figure 1 As shown, the present invention includes a microprocessor circuit 4 and a power supply circuit 1 for supplying power to each power consumption unit, and the input terminal of the microprocessor circuit 4 is connected to a parameter input circuit 5 and a signal conditioning circuit 3 for parameter setting of the analyzer , the input terminal of the signal conditioning circuit 3 is connected to a plurality of sensors 2 for real-time acquisition of the greenhouse soil moisture signal, and the signal conditioning circuit 3 amplifies, filters and A / D converts the greenhouse soil moisture signal sampled by the sensor 2 Then output to the microprocessor circuit 4, the microprocessor circuit 4 analyzes and calculates the signal processed by the signal conditioning circuit 3 and outputs the corresponding control signal to the output terminal of the microprocessor circuit 4 and performs real-time monitoring of the greenhouse soil moisture information. The display...

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Abstract

The invention discloses a real-time online analyzer for measuring water content in greenhouse soil, which comprises a microprocessor circuit and a power supply circuit for supplying power to all electrical units, wherein the input end of the microprocessor circuit is connected with a parameter input circuit and a signal conditioning circuit, the input end of the signal conditioning circuit is connected with a plurality of sensors, the signal conditioning circuit is used for performing amplification, filtering and A/D (analog/digital) conversion processing on signals of the water content in the greenhouse oil, which are sampled by the sensors and then outputting the signals to the microprocessor circuit, the microprocessor circuit is used for performing analysis and calculation on the signals after being processed by the signal conditioning circuit and outputting corresponding control signals to a liquid crystal display circuit, an indicating lamp, a sound horn alarm circuit and a communication circuit, which are connected at the output end of the microprocessor circuit, and the communication circuit is used for receiving information after processing by the microprocessor circuit and transmitting the information to an online analysis system of an upper computer, which is connected at the output end of the communication circuit and used for performing real-time saving and display on the information. The real-time online analyzer disclosed by the invention has the advantages of simple structure, reasonable design, convenience in use, high degree of automation, high precision, low cost and strong applicability.

Description

technical field [0001] The invention belongs to the technical field of greenhouse soil moisture monitoring, in particular to a real-time on-line analyzer for measuring greenhouse soil moisture. Background technique [0002] With the increase of population and the development of economy, water resource has become a scarce resource in the world. At present, the shortage of water resource is becoming more and more serious, which has attracted the attention of all countries in the world. Moreover, the status and utilization level of water resources have become an important indicator to evaluate whether a country or a region can sustain economic development. As the largest user of water resources, agricultural water use, efficient water use has become the focus of attention in the world today. [0003] Soil moisture refers to the soil moisture status in the active layer of the main root system of crops, which is an important basis for agricultural drought resistance and rational...

Claims

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Application Information

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IPC IPC(8): G01N33/24G08C17/02
Inventor 蒙海英杨金铭
Owner XIAN LIANYOU ELECTRONICS TECH
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