JPS62123552U - - Google Patents
Info
- Publication number
- JPS62123552U JPS62123552U JP1124686U JP1124686U JPS62123552U JP S62123552 U JPS62123552 U JP S62123552U JP 1124686 U JP1124686 U JP 1124686U JP 1124686 U JP1124686 U JP 1124686U JP S62123552 U JPS62123552 U JP S62123552U
- Authority
- JP
- Japan
- Prior art keywords
- light receiving
- voltage
- frequency
- receiving element
- conversion circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Description
第１図は本考案に係る濁度計の一実施例を示す
ブロツク図、第２図は同実施例におけるＶ／Ｆ変
換回路の構成を示す回路図、第３図は同実施例に
おけるＦ／Ｖ変換回路の構成を示す回路図、第４
図及び第５図は同実施例の動作説明のための波形
図、第６図は従来例を示すブロツク図である。
Ｓ１……検出部、Ｅ１……変換部、Ｚ１……ケ
ーブル、１１……検出窓、１２……発光素子、１
３……計測用受光素子、１４……参照用受光素子
、１７……Ｖ／Ｆ変換回路、１９……Ｆ／Ｖ変換
回路、１９Ａ……波形整形回路、１９Ｂ……パル
スレート回路、２１……発光電源、Ａ１〜Ａ５…
…オペアンプ、Ｒ１〜Ｒ７……抵抗、Ｃ１〜Ｃ３
……コンデンサ、ＺＤ……ツエナーダイオード。
FIG. 1 is a block diagram showing an embodiment of a turbidity meter according to the present invention, FIG. 2 is a circuit diagram showing the configuration of a V/F conversion circuit in the same embodiment, and FIG. 3 is a circuit diagram showing the configuration of a V/F conversion circuit in the same embodiment. Circuit diagram showing the configuration of the V conversion circuit, No. 4
5 and 5 are waveform diagrams for explaining the operation of the same embodiment, and FIG. 6 is a block diagram showing a conventional example. S1 ...detection section, E1 ...conversion section, Z1 ...cable, 11...detection window, 12...light emitting element, 1
3... Light receiving element for measurement, 14... Light receiving element for reference, 17... V/F conversion circuit, 19... F/V conversion circuit, 19A... Waveform shaping circuit, 19B... Pulse rate circuit, 21... ...Light-emitting power source, A1 to A5 ...
...Operational amplifier, R1 to R7 ...Resistance, C1 to C3
... Capacitor, ZD ... Zener diode.
Claims (1)
を備え、検水中に設置される検出部と、この検出
部にケーブルを介して接続され、検出部よりの計
測信号を処理する変換部とを備えた濁度計におい
て、 前記計測用受光素子の受光信号を参照用受光素
子の受光信号により光源変動の補償を行う形で電
圧／周波数変換して検水の濁度に比例した周波数
のパルス信号を得る電圧／周波数変換回路を検出
部に設け、この電圧／周波数変換回路の出力を周
波数／電圧変換する周波数／電圧変換回路を変換
部に設けたことを特徴とする濁度計。[Claims for Utility Model Registration] A detection unit that is equipped with a light emitting element, a measurement light receiving element, and a reference light receiving element and is installed in the sample water, and is connected to this detection unit via a cable and receives measurement signals from the detection unit. In the turbidity meter, the light receiving signal of the measuring light receiving element is subjected to voltage/frequency conversion in a manner that compensates for light source fluctuations using the light receiving signal of the reference light receiving element to determine the turbidity of the sample water. The detection section is provided with a voltage/frequency conversion circuit that obtains a pulse signal with a frequency proportional to , and the conversion section is provided with a frequency/voltage conversion circuit that converts the output of the voltage/frequency conversion circuit into frequency/voltage. Turbidity meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986011246U JPH0524045Y2 (en) | 1986-01-29 | 1986-01-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986011246U JPH0524045Y2 (en) | 1986-01-29 | 1986-01-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62123552U true JPS62123552U (en) | 1987-08-05 |
| JPH0524045Y2 JPH0524045Y2 (en) | 1993-06-18 |
Family
ID=30798284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986011246U Expired - Lifetime JPH0524045Y2 (en) | 1986-01-29 | 1986-01-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0524045Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002098637A (en) * | 2000-09-22 | 2002-04-05 | Tokyoto Gesuido Service Kk | Concentration measuring apparatus |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040025034A (en) * | 2002-09-18 | 2004-03-24 | 한국타이어 주식회사 | A shaping pressure control apparatus of tire vulcanizer |
| KR100509777B1 (en) * | 2002-11-13 | 2005-08-23 | 한국타이어 주식회사 | A shaping gas heating apparatus of tire vulcanization process |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60119000A (en) * | 1983-11-30 | 1985-06-26 | 松下電工株式会社 | Intelligence type smoke sensor |
| JPS60260829A (en) * | 1984-06-07 | 1985-12-24 | Nippon Denso Co Ltd | Optical detector |
-
1986
- 1986-01-29 JP JP1986011246U patent/JPH0524045Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60119000A (en) * | 1983-11-30 | 1985-06-26 | 松下電工株式会社 | Intelligence type smoke sensor |
| JPS60260829A (en) * | 1984-06-07 | 1985-12-24 | Nippon Denso Co Ltd | Optical detector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002098637A (en) * | 2000-09-22 | 2002-04-05 | Tokyoto Gesuido Service Kk | Concentration measuring apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0524045Y2 (en) | 1993-06-18 |
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