JPS5886553U

JPS5886553U - Suspended matter concentration meter

Info

Publication number: JPS5886553U
Application number: JP18076081U
Authority: JP
Inventors: 古野　二三也
Original assignee: 横河電機株式会社
Priority date: 1981-12-04
Filing date: 1981-12-04
Publication date: 1983-06-11

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 drawings]

第１図は従来の浮遊物濃度計の構成例を示すブロック図
、第２図はこの考案の一実施例の構成を示すブロック図
、第３図は色センサ２０，２１の構成例を示す概略構成
図である。２・・・ランプ（光源）、６・・・対数変換回路（色検
出手段、光量検出手段）、７・・・対数変換回路（光量
検出手段）、８・・・減算回路（光量検出手段）、２０
・・・色センサ（光量検出手段、色検出手段）、２１・
・・色センサ（光量検出手段）、２２・・・対数変換回
路（色検出手段）、２３・・・波長検出回路（色検出手
段）、２４・・・関数演算回路（演算手段）。FIG. 1 is a block diagram showing a configuration example of a conventional suspended matter concentration meter, FIG. 2 is a block diagram showing a configuration of an embodiment of this invention, and FIG. 3 is a schematic diagram showing a configuration example of color sensors 20 and 21. FIG. 2... Lamp (light source), 6... Logarithmic conversion circuit (color detection means, light amount detection means), 7... Logarithmic conversion circuit (light amount detection means), 8... Subtraction circuit (light amount detection means) , 20
...color sensor (light amount detection means, color detection means), 21.
... Color sensor (light amount detection means), 22 ... Logarithmic conversion circuit (color detection means), 23 ... Wavelength detection circuit (color detection means), 24 ... Function calculation circuit (calculation means).

Claims

[Scope of utility model registration request]

a light source that irradiates the floating object; a color detection means that detects the color of the light reflected from the light source reflected by the floating object; a light amount detection means that detects the amount of the reflected light; and an output of the color amount means. 1. A floating matter concentration meter comprising: arithmetic means for calculating a suspended matter concentration based on a signal and an output signal of the light amount detection means.