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A protection circuit for a vibrator of a color sorter

A technology for protecting circuits and vibrators, applied to emergency protection circuit devices, electrical components, etc., can solve problems such as coil burnout and long power-on time, and achieve high reliability, low cost, and normal operation protection

Pending Publication Date: 2019-01-25
ANHUI ZHONGKE OPTIC ELECTRONICS COLOR SORTER MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In addition, when the programmable logic device is out of control, all the IO ports of the programmable logic device are in an unknown state. If any IO is in the vibrator state, the coil will always have power, and the coil will burn out if the power is long.

Method used

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  • A protection circuit for a vibrator of a color sorter
  • A protection circuit for a vibrator of a color sorter
  • A protection circuit for a vibrator of a color sorter

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Embodiment Construction

[0027] like figure 1 , 2 Shown: a protection circuit for a vibrator of a color sorter, including a programmable logic device 1, an OR gate circuit 2, a NOT gate circuit 3, and a charging and discharging circuit 4. The programmable logic device 1 transmits a PWM signal Control the size and switch of the vibrating amount of the vibrator, the signal output end of the programmable logic device 1 is connected to the signal input end of the NOT gate circuit 3, and the signal output end of the NOT gate circuit 3 is connected to the signal input end of the charging and discharging circuit 4; The two signal input terminals of the OR gate circuit 2 are respectively connected with the signal output terminals of the programmable logic device 1 and the signal output terminals of the charging and discharging circuit 4, and the signal output terminals of the OR gate circuit 2 are connected with the signal input terminals of the vibrator driving circuit 5 The signal output terminal of the vi...

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Abstract

The invention discloses a vibration system protection circuit for a color sorter, includes programmable logic devices, OR gate circuit, NOR gate circuit, charge / discharge circuit, programmable logic device (PLD) control vibration quantity and switch of vibrator by sending PWM signal, signal output terminal of PLD is connected with signal input terminal of NOR gate circuit, signal output terminal of NOR gate circuit is connected with signal input terminal of charge / discharge circuit; Two signal input terminals of the OR gate circuit are respectively connected with the signal output terminal ofthe programmable logic device, the signal output terminal of the charge / discharge circuit, the signal output terminal of the OR gate circuit and the signal input terminal of the vibrator driving circuit, and the signal output terminal of the vibrator driving circuit is connected with the vibrator control. The invention can quickly cut off the absorbing signal of the vibrator coil, quickly and effectively protect the vibrator, ensure the stability of the color selection system, and can be widely used in the color selection machine field.

Description

technical field [0001] The invention relates to the protection field of a color sorter feeding system, in particular to a protection circuit for a color sorter vibrator. Background technique [0002] Color sorting equipment will encounter various materials in the sorting materials. According to the size and shape of the materials, the feeding system can be divided into vibrating screen feeding, DC vibrator feeding, AC vibrating feeding, etc.; The coils used in the feeding of the sieve and the AC vibrator have alternating currents. Due to the characteristics of the alternating current, the coils will not be powered all the time, and the phenomenon of coil burnout is rare. Interference seriously affects the stable output of the vibrator's vibration; therefore, DC power is an ideal choice for the vibrator power supply. However, due to the characteristics of DC power, when the control signal is out of control, the coil of the DC vibrator will always be energized and burned. , B...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H7/00
CPCH02H7/00
Inventor 孙敏贾星明鹿文龙桂岳
Owner ANHUI ZHONGKE OPTIC ELECTRONICS COLOR SORTER MACHINERY