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Granular food humidity detecting system based on humidity-detection steady-state circuit

A steady-state circuit, humidity detection technology, applied in measurement devices, material capacitance, material analysis by electromagnetic means, etc., can solve the problems of slow sensitivity and response speed, complicated humidity detection methods, and difficulty in humidity detection, etc. The effect of improving efficiency, high stability, and improving flexibility

Inactive Publication Date: 2016-09-28
CHENGDU RANUS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, today’s humidity detection instruments are more complicated to detect the humidity of food. It is necessary to accumulate a large amount of food and then detect it as a whole. When the food is less and difficult to accumulate, it is difficult for existing products to quickly detect the humidity.
Some products that can detect the humidity of a small amount of food have slow sensitivity and response speed, which leads to low detection efficiency

Method used

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  • Granular food humidity detecting system based on humidity-detection steady-state circuit
  • Granular food humidity detecting system based on humidity-detection steady-state circuit

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Embodiment

[0016] Such as figure 1 As shown, the granular food humidity detection system based on the wet detection steady-state circuit includes a chip U1, a resistor R1 connected in series between the RESET pin and DISCH pin of the chip U1, and a resistor R1 connected in series between the DISCH pin and the DISCH pin of the chip U1. The resistor R2 between the TRIG pins, the capacitor C1 whose positive pole is connected to the TRIG pin of the chip U1, the negative pole connected to the GND pin of the chip U1, and the capacitor C2 whose positive pole is connected to the CONT pin of the chip U1 Humidity detection circuit; wherein, the model of the chip U1 is NE555, the RESET pin of the chip U1 is connected to the VCC pin, the THRES pin of the chip U1 is connected to the TRIG pin, and the two plates of the capacitor C1 are used as the humidity detection circuit The detection end; the humidity detection circuit is also connected in series with a signal processing circuit, an indicator feed...

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Abstract

The invention discloses a granular food humidity detection system based on a wet detection steady-state circuit, which includes a humidity detection circuit, and a signal processing circuit, an indication feedback circuit and a power input circuit connected in series to the humidity detection circuit. A wet detection steady state circuit is also arranged on the signal processing circuit. The invention provides a granular food humidity detection system based on a wet detection steady-state circuit, which can better detect a small amount of granular food, greatly improves the detection sensitivity and speed, and better improves the scope of application of the product.

Description

technical field [0001] The invention belongs to the field of humidity detection instruments, in particular to a granular food humidity detection system based on a wet detection steady-state circuit. Background technique [0002] There are certain conditions for the storage of beans, grains and other foods, especially not in an environment with high humidity. If the humidity of the food is too high, it is easy to breed bacteria or even go moldy. However, today’s humidity detection instruments are more complicated to detect the humidity of food. It is necessary to accumulate a large amount of food and then detect it as a whole. When the food is less and difficult to accumulate, it is difficult for existing products to quickly detect the humidity. . The sensitivity and response speed of some products that can detect the humidity of a small amount of food are also slow, which leads to low detection efficiency. Contents of the invention [0003] The purpose of the present inv...

Claims

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Application Information

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IPC IPC(8): G01N27/22
CPCG01N27/223
Inventor 罗文明
Owner CHENGDU RANUS TECH CO LTD
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