Grain drying control system

A technology for drying control and grain, which is applied in drying, grain drying, and drying solid materials, etc. It can solve the problems of inability to measure grain moisture quickly and accurately, poor stability and real-time performance, and high energy consumption of the drying system. Achieve the effect of fast and efficient signal processing, timely control of drying, and automatic control and adjustment

Inactive Publication Date: 2017-05-10
ANHUI WANT AUTOMATION
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Problems solved by technology

[0003] Patent Grain Depot Grain Dryer Controller (publication number: CN202189267U) discloses an intelligent automatic controller built with programmable PLC as the control center, but the system based on PLC control has poor stability and real-time performance. Relatively poor, unable to measure grain moisture quickly and accurately, resulting in high energy consumption and low efficiency of the drying system

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  • Grain drying control system

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Embodiment Construction

[0015] Such as figure 1 As shown, a grain drying control system includes an acquisition system, a processing control system, and a drive display system. The acquisition system includes sensors and A / D converters connected in sequence. The sensors include humidity sensors, temperature sensors, and position sensors. The grain in the drying system is tested for humidity, temperature and position. The processing control system includes a clock device and a single-chip microcomputer. The A / D converter is connected to the single-chip microcomputer, and the clock device is connected to the single-chip microcomputer to provide a clock signal to the single-chip microcomputer. The clock device uses a temperature-compensated crystal oscillator with a differential level synchronous pulse output, so that the clock deviation is not greater than one millisecond. Further, the processing control system also includes a keyboard, which is connected to a single-chip microcomputer to facilitate s...

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Abstract

The invention provides a grain drying control system. The grain drying control system comprises an acquisition system, a processing control system and a driving display system, wherein the acquisition system comprises a sensor and an A / D converter which are connected in sequence, the processing control system comprises a clock device and a singlechip, the A / D converter is connected to the singlechip, the clock device is connected to the singlechip, the driving display system comprises a motor and an alarm apparatus, a PWM signal output module and an upper machine place, the alarm apparatus, wherein the PWM signal output module and the upper machine place are connected to the single chip respectively, and the PWM signal output module is connected to the motor. According to the grain drying control system, automatic control of grain drying can be achieved, the grain moisture content can be quickly and accurately measured, so that the grain drying system achieves low energy consumption and high efficiency.

Description

technical field [0001] The invention belongs to the technical field of device control, and in particular relates to a grain drying control system. Background technique [0002] my country is the largest grain producer and consumer country in the world, but at present most of the grain drying still relies on the traditional natural drying method. Mildew and rot, etc., caused huge losses. The grain dryer can reduce the moisture contained in the grain in time, reduce the loss of grain mildew, ensure the quality of the seeds, increase the yield of grain, reduce the labor intensity of farmers, and then increase the income of farmers. It plays an important role in the storage and quality assurance of grain. Therefore, the use of grain dryers has become very necessary, but the existing grain dryers are mainly operated manually, with a low degree of automation, resulting in high energy consumption, low efficiency, and inconvenient operation. The automatic control of the grain dryin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B25/22A23B9/08
CPCF26B25/22A23B9/08F26B2200/06
Inventor 王德荣刘立周朱晓华
Owner ANHUI WANT AUTOMATION
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