JPS6360955U - - Google Patents
Info
- Publication number
- JPS6360955U JPS6360955U JP15582486U JP15582486U JPS6360955U JP S6360955 U JPS6360955 U JP S6360955U JP 15582486 U JP15582486 U JP 15582486U JP 15582486 U JP15582486 U JP 15582486U JP S6360955 U JPS6360955 U JP S6360955U
- Authority
- JP
- Japan
- Prior art keywords
- reception time
- measuring device
- signal
- receiver
- pulse wave
- 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.)
- Pending
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Description
図は本考案一実施例を示し、第１図は装置全体
のシステム図、第２図は発信される超音波パルス
波の発信強度分布図、第３図は受信される超音波
パルス波の受信強度分布図である。
１：ダクト、２：超音波発信器、３：受信器、
４：異強度パルス波発生器、５：未受信時間測定
器、６：演算器。
The figures show one embodiment of the present invention, Fig. 1 is a system diagram of the entire device, Fig. 2 is a transmission intensity distribution diagram of the emitted ultrasonic pulse waves, and Fig. 3 is the reception of the received ultrasonic pulse waves. It is an intensity distribution map. 1: Duct, 2: Ultrasonic transmitter, 3: Receiver,
4: Different intensity pulse wave generator, 5: Non-reception time measuring device, 6: Arithmetic unit.
Claims (1)
音波の発信器及び受信器と、発信強度の異なつた
パルス波を一定周期で出力する、上記発信器に設
けられた異強度パルス波発生回路と、上記受信器
からの信号を取り込み上記パルス波の各周期内で
の未受信時間を測定する、未受信時間測定器と、
上記未受信時間測定器からの信号を受けて上記気
流中のダスト濃度を演算する演算器とを備えたこ
とを特徴とするダスト濃度検出装置。 An ultrasonic transmitter and receiver installed across a path of airflow containing dust, and a different intensity pulse wave generation circuit installed in the transmitter that outputs pulse waves of different transmission intensities at a constant cycle. , a non-reception time measuring device that captures the signal from the receiver and measures the non-reception time within each cycle of the pulse wave;
A dust concentration detection device comprising: a computing unit that receives a signal from the non-reception time measuring device and calculates the dust concentration in the airflow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15582486U JPS6360955U (en) | 1986-10-11 | 1986-10-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15582486U JPS6360955U (en) | 1986-10-11 | 1986-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6360955U true JPS6360955U (en) | 1988-04-22 |
Family
ID=31076872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15582486U Pending JPS6360955U (en) | 1986-10-11 | 1986-10-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6360955U (en) |
-
1986
- 1986-10-11 JP JP15582486U patent/JPS6360955U/ja active Pending
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