JPS6046189U

JPS6046189U - Device that sorts granular materials based on reflectance and size

Info

Publication number: JPS6046189U
Application number: JP14047983U
Authority: JP
Inventors: 高村　基範
Original assignee: コ−ア電子工業株式会社
Priority date: 1983-09-09
Filing date: 1983-09-09
Publication date: 1985-04-01
Also published as: JPS6244790Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案による装置の全体の構成を示す斜視図で
ある。第２図は落下中のアーモンドとリニヤイメージセ
ンサの出力の関係を説明するための略図である。第３図
は演算制御部等の実施例を示すブロック図である。２・・・粒状物（アーモンド）、３・・・光源、４ａ。４ｂ、４ｃ・・・反射光検出部、５・・・光量検出器、
６ａ、　６ｂ、　６ｃ・・・背景板、８ａ、８ｂ、８ｃ
・・・経路変更手段を構成する空気噴射器、９・・・容
器、１０・・・演算制御部、１１ａ・・・レンズ、１４
ａ・・・リニヤイメージセンサ、２４Ａ、２４Ｂ、２４
Ｃ・・・各反射光検出器の出力を処理する回路、１７・
・・イメージセンサ駆動信号発生回路、１８ａ、１８ｂ
。１８ｃ・・・増幅サンプルホールド回路、２２・・・増
幅器、２３・・・基準電圧発生器、２７・・・異常反射
検出器、２８・・・整形器、２９・・・積分器、３０・
・・補正信号発生器、３１・・・減算器、３２・・・自
乗器、３３・・・論理和回路、３４・・・加算器、３５
・・・判別器、３６・・・スイッチ回路、３Ｂ、３９．
４０・・・遅延回路、４１、４２．４３・・・駆動回路
。FIG. 1 is a perspective view showing the overall structure of the device according to the present invention. FIG. 2 is a schematic diagram for explaining the relationship between a falling almond and the output of the linear image sensor. FIG. 3 is a block diagram showing an embodiment of the calculation control section, etc. 2... Granular material (almond), 3... Light source, 4a. 4b, 4c... Reflected light detection section, 5... Light amount detector,
6a, 6b, 6c...Background board, 8a, 8b, 8c
. . . Air injector constituting route changing means, 9 . . Container, 10 . . . Arithmetic control unit, 11a .
a... Linear image sensor, 24A, 24B, 24
C...Circuit for processing the output of each reflected light detector, 17.
...Image sensor drive signal generation circuit, 18a, 18b
. 18c... Amplification sample hold circuit, 22... Amplifier, 23... Reference voltage generator, 27... Abnormal reflection detector, 28... Shaper, 29... Integrator, 30...
...Correction signal generator, 31...Subtractor, 32...Squarer, 33...OR circuit, 34...Adder, 35
... Discriminator, 36... Switch circuit, 3B, 39.
40... Delay circuit, 41, 42.43... Drive circuit.

Claims

[Scope of utility model registration request]

(1) In a particle sorting device that sorts particles by dropping particles, detecting the reflected light from the particles in the process of falling, and changing the falling path of the particles based on the results, the particles in the process of falling are A light source that illuminates an object, a reference voltage generator that detects the brightness of the light source and generates a reference voltage that changes to follow changes in brightness, a linear image sensor, and a particulate object under the illumination of the light source. of the reflection from the surface perpendicular to the axis of fall! a reflected light detector having an optical system that images reflected light acid on the image sensor, and the output of the linear image sensor is serially connected many times during a period when one of the particles passes a specific point on the falling axis. a linear image sensor control circuit for reading out the linear image sensor output, an abnormal reflection detector that compares the linear image sensor output with the reference level and generates an output when an abnormal level is detected, and a linear image sensor control circuit for each reading of the linear image sensor output. an integrator that calculates the sum of reflected light existence times; a discriminator that compares the output of the integrator with a reference value to determine the size of the particulate matter;
1. A device for sorting particulate matter based on reflectance and size, comprising a path changing means operated by the outputs of the abnormal reflection detector and discriminator.

(2) The apparatus for sorting particulate matter according to reflectance and size according to claim 1, wherein the fall is a free fall.