JPH0285351U - - Google Patents
Info
- Publication number
- JPH0285351U JPH0285351U JP16463388U JP16463388U JPH0285351U JP H0285351 U JPH0285351 U JP H0285351U JP 16463388 U JP16463388 U JP 16463388U JP 16463388 U JP16463388 U JP 16463388U JP H0285351 U JPH0285351 U JP H0285351U
- Authority
- JP
- Japan
- Prior art keywords
- light
- signal
- systems
- scattered
- test water
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Description
第1図は本考案に係る浮遊物濃度測定装置の一
実施例を示すブロツク図、第2図はSS濃度Sと
散乱光強度IFの関係を示す特性図、第3図はS
S濃度Sと演算結果の関係を示す特性図、第4図
は散乱光比較方式の原理動作を説明するための特
性曲線図、第5図は従来例を示すブロツク図であ
る。
1…光源、2N及び2F…受光器、3N及び3
F…増幅器、4…演算器、5…バイアス回路、W
…検水、X…SS、S…バイアス、b…IFの極
大値。
Fig. 1 is a block diagram showing an embodiment of the suspended matter concentration measuring device according to the present invention, Fig. 2 is a characteristic diagram showing the relationship between the SS concentration S and the scattered light intensity IF, and Fig. 3 is a diagram showing the relationship between the SS concentration S and the scattered light intensity IF.
FIG. 4 is a characteristic curve diagram showing the relationship between S concentration S and calculation results, FIG. 4 is a characteristic curve diagram for explaining the principle operation of the scattered light comparison method, and FIG. 5 is a block diagram showing a conventional example. 1...Light source, 2N and 2F...Receiver, 3N and 3
F...Amplifier, 4...Arithmetic unit, 5...Bias circuit, W
...Water test, X...SS, S...bias, b...maximum value of IF.
Claims (1)
物で散乱された光を受光するよう、前記光源から
の距離が異なる2点に設置した2系の受光器と、
各受光信号を各々増幅する2系の増幅器と、両増
幅器の出力を受け、散乱光比較方式の所定の演算
を行う演算器と、演算式分母側信号系の増幅器の
入力に微少なバイアス信号を付与するバイアス回
路とを備えたことを特徴とする浮遊物濃度測定装
置。 A light source that projects a light beam into the test water, and two systems of light receivers installed at two different distances from the light source to receive the light scattered by floating objects in the test water;
Two systems of amplifiers amplify each received light signal, an arithmetic unit that receives the outputs of both amplifiers and performs predetermined calculations of the scattered light comparison method, and a minute bias signal is applied to the input of the amplifier of the signal system on the denominator side of the calculation formula. A suspended matter concentration measuring device characterized by comprising a bias circuit for applying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988164633U JPH0738841Y2 (en) | 1988-12-20 | 1988-12-20 | Floating matter concentration measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988164633U JPH0738841Y2 (en) | 1988-12-20 | 1988-12-20 | Floating matter concentration measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0285351U true JPH0285351U (en) | 1990-07-04 |
| JPH0738841Y2 JPH0738841Y2 (en) | 1995-09-06 |
Family
ID=31450415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988164633U Expired - Fee Related JPH0738841Y2 (en) | 1988-12-20 | 1988-12-20 | Floating matter concentration measuring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0738841Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5645100A (en) * | 1979-09-19 | 1981-04-24 | Hitachi Ltd | Assembling base board guide mechanism |
| JPS5988616A (en) * | 1982-11-12 | 1984-05-22 | Nittan Co Ltd | Digital converter for analog sensor output |
-
1988
- 1988-12-20 JP JP1988164633U patent/JPH0738841Y2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5645100A (en) * | 1979-09-19 | 1981-04-24 | Hitachi Ltd | Assembling base board guide mechanism |
| JPS5988616A (en) * | 1982-11-12 | 1984-05-22 | Nittan Co Ltd | Digital converter for analog sensor output |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0738841Y2 (en) | 1995-09-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES2157420T3 (en) | VOCAL ACTIVITY DETECTION. | |
| ATE346783T1 (en) | TRAIN INTEGRITY MONITORING DEVICE | |
| JPH0285352U (en) | ||
| FR2405851A1 (en) | METHOD AND DEVICE FOR DETECTION OF HEATED BEARINGS, IN PARTICULAR BEARINGS OF WHEEL OF RAILWAY WAGONS | |
| KR970048621A (en) | Distance measuring device using laser | |
| SU1627978A2 (en) | Method for determining the location of sources of acoustic emission signals | |
| JPH0367237U (en) | ||
| JPS63165506U (en) | ||
| JPH0310259U (en) | ||
| JPH027556U (en) | ||
| JPS63105876U (en) | ||
| JPS6252359B2 (en) | ||
| JPH0374331U (en) | ||
| JPS58184682U (en) | Obstacle detection system on the left side of large vehicles using ultrasonic sensors | |
| JPS63170705U (en) | ||
| JPH0333356U (en) | ||
| JPH0478545U (en) | ||
| JPS6244207U (en) | ||
| JPS6079166U (en) | Motion acceleration detection device for moving objects | |
| JPH0342572U (en) | ||
| JPS6415907U (en) | ||
| JPS62147078U (en) | ||
| JPH0333355U (en) | ||
| JPH0161635U (en) | ||
| JPS63135107U (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |