JPS6128016U - Ultrasonic flowmeter transmitter/receiver circuit - Google Patents
Ultrasonic flowmeter transmitter/receiver circuitInfo
- Publication number
- JPS6128016U JPS6128016U JP11260784U JP11260784U JPS6128016U JP S6128016 U JPS6128016 U JP S6128016U JP 11260784 U JP11260784 U JP 11260784U JP 11260784 U JP11260784 U JP 11260784U JP S6128016 U JPS6128016 U JP S6128016U
- Authority
- JP
- Japan
- Prior art keywords
- receiver circuit
- ultrasonic flowmeter
- resistor
- circuit
- flowmeter transmitter
- 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
Landscapes
- Measuring Volume Flow (AREA)
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
第１図は従来の超音波流量計の送受波回路の構成を示す
構成図、第２図は第１図における送受波器の構成を示す
縦断面図、第３図は第１図における駆動回路と受信回路
の信号伝達の様子を示す等価回路、第４区は本考案の実
施例の構成を示す構成図である。
１・・・管路、３，４・・・送受波器、５・・・駆動回
路、６・・・切換スイッチ、７・・・受信回路、１０・
・・駆動回路、Ｚｓ・・・出力インピータンス、Ｚｒ・
・・入力インピーダンス、Ｚ．．Ｚ２・・・送受波器イ
ンピータンス、Ｒ３・・・入力抵抗、Ｒ４・・・整合抵
抗。Figure 1 is a configuration diagram showing the configuration of a wave transmitter/receiver circuit of a conventional ultrasonic flowmeter, Figure 2 is a longitudinal sectional view showing the configuration of the wave transmitter/receiver in Figure 1, and Figure 3 is the drive circuit in Figure 1. Section 4 is a block diagram showing the structure of an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Pipe line, 3, 4... Transmitter/receiver, 5... Drive circuit, 6... Changeover switch, 7... Receiving circuit, 10...
...Drive circuit, Zs...Output impedance, Zr.
...Input impedance, Z. ．． Z2... Transducer/receiver impedance, R3... Input resistance, R4... Matching resistance.
Claims (1)
きに切換えられた超音波パルスを送受信ずる送受波器と
、コンデンサの充放電作用を用いて発生した駆動電圧を
整合抵抗を介して前記送受渡器に印加する駆動回路と、
前記送受波器からの超音波パルスの信号を入力抵抗を介
して受信する受信回路とを具備し前記整合抵抗の抵抗値
を前記入力抵抗に近うまたことを特徴とする超音波流量
計の送受波回路。A transducer transmits and receives ultrasonic pulses that are alternately switched in the opposite direction to the flow direction of the fluid to be measured flowing through the pipe, and a driving voltage generated using the charging and discharging action of a capacitor is passed through a matching resistor. a drive circuit that applies voltage to the transfer device;
and a receiving circuit that receives an ultrasonic pulse signal from the transducer via an input resistor, and the resistance value of the matching resistor is close to the input resistor. wave circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11260784U JPS6128016U (en) | 1984-07-25 | 1984-07-25 | Ultrasonic flowmeter transmitter/receiver circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11260784U JPS6128016U (en) | 1984-07-25 | 1984-07-25 | Ultrasonic flowmeter transmitter/receiver circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6128016U true JPS6128016U (en) | 1986-02-19 |
| JPH0511466Y2 JPH0511466Y2 (en) | 1993-03-22 |
Family
ID=30671649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11260784U Granted JPS6128016U (en) | 1984-07-25 | 1984-07-25 | Ultrasonic flowmeter transmitter/receiver circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6128016U (en) |
-
1984
- 1984-07-25 JP JP11260784U patent/JPS6128016U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0511466Y2 (en) | 1993-03-22 |
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