Overvoltage protection circuit of frozen food color sorter

An overvoltage protection circuit and frozen food technology, which is applied in the field of color sorters, can solve the problems of unfavorable popularization and poor protection effect, and achieve the effects of low power consumption, fast protection speed and fewer circuit components

Inactive Publication Date: 2018-04-20
ANHUI WENYAO INTELLIGENT OPTOELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the deficiencies of the prior art, the present invention provides an overvoltage protection circuit for a frozen food color sorter, which solves the problem that the existing overvoltage circuit for a frozen food color sorter has a poor protection effect and is not conducive to popularization and use The problem

Method used

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  • Overvoltage protection circuit of frozen food color sorter

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Embodiment Construction

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

[0021] see figure 1 , the present invention provides a technical solution: an overvoltage protection circuit for a frozen food color sorter, including comparators IC1, IC2, overcurrent and overvoltage indicator LED1, LED2, thyristor SCR1, SCR2, adjustable resistance W1 , W2, diodes D1, D2 and resistors R1, R2, R3, R4, R5, R6, R7, R8, R9 and S reset button.

[0022] The adjustable resistor W1 and the comparator IC1 are composed of a comparison circuit, the thyristor SCR1 is composed of a memory circuit, the overcurrent and overvoltage indicator LED1 and the resistor R6 are composed of a display circuit, and the diode D1 and the resistor R8 are composed of a logic circ...

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Abstract

The invention discloses an overvoltage protection circuit of a frozen food color sorter, and relates to the technical field of color sorters. The overvoltage protection circuit of the frozen food color sorter comprises comparators IC1 and IC2, overcurrent and overvoltage indicating lamps LED1 and LED2, silicon controlled rectifiers SCR1 and SCR2, adjustable resistors W1 and W2, diodes D1 and D2, resistors R1, R2, R3, R4, R5, R6, R7, R8 and R9, and a resetting button, and the adjustable resistor W1 and the comparator IC1 form a comparison circuit. According to the overvoltage protection circuitof the frozen food color sorter, the protection speed is fast, main components used by the circuit are the comparators and the silicon controlled rectifiers, control points are direct control of P5 terminals of a TC787, and the overturning speeds thereof are fast; besides, the components of the circuit are less, the transmission time of signals by the protection circuit is short, the protection speed is fast, sensitivity is achieved, the power consumption is low, the line is simple, the debugging and the maintenance are convenient, and the cost is low.

Description

technical field [0001] The invention relates to the technical field of color sorters, in particular to an overvoltage protection circuit for a frozen food color sorter. Background technique [0002] The color sorter is a device that uses photoelectric detection technology to automatically sort out the different-color particles in the granular material according to the difference in the optical characteristics of the material. At present, the color sorter is used in the fields of bulk materials or packaging industrial products, food quality testing and grading. Photoelectric color sorter is a kind of non-destructive sorting equipment used for quality detection and classification of bulk materials. It is widely used in grain, food, pigment chemical industry and other industries. , all kinds of beans, all kinds of rice, ore, pepper, pepper, garlic, melon seeds, raisins, seeds, traditional Chinese medicine, sea rice, shrimp skin, clove fish, glass, metal, same-color rods and ot...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H3/20H02H3/08B07C5/342
CPCH02H3/20B07C5/342B07C2501/0081H02H3/08
Inventor 毕全文赵海吴然张友乐黄晓燕毕全云袁绘慧袁洋袁光玖
Owner ANHUI WENYAO INTELLIGENT OPTOELECTRONICS TECH CO LTD
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