JPH02113111U - - Google Patents
Info
- Publication number
- JPH02113111U JPH02113111U JP2105389U JP2105389U JPH02113111U JP H02113111 U JPH02113111 U JP H02113111U JP 2105389 U JP2105389 U JP 2105389U JP 2105389 U JP2105389 U JP 2105389U JP H02113111 U JPH02113111 U JP H02113111U
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic
- probe
- measuring
- calibration
- target object
- 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
- 239000000523 sample Substances 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
Description
第１図はこの考案による実施例を示した図であ
り、第２図は従来の技術を説明するための図であ
る。
図において、１Ｓ，１Ｋは それぞれ測定用お
よび校正用の送信回路、２Ｓ，２Ｋはそれぞれ測
定用および校正用超音波送信探触子、３Ｓ，３Ｋ
はそれぞれ測定用および校正用超音波受信探触子
、４Ｓ，４Ｋはそれぞれ測定用および校正用の受
信回路、５Ｓ，５Ｋは それぞれ測定用および校
正用のデータ処理回路、６は計測対象物体である
。なお、図中同一符号は同一または相当部分を示
す。
FIG. 1 is a diagram showing an embodiment of this invention, and FIG. 2 is a diagram for explaining the conventional technique. In the figure, 1S and 1K are transmission circuits for measurement and calibration, respectively, 2S and 2K are ultrasonic transmission probes for measurement and calibration, respectively, and 3S and 3K are ultrasonic transmission probes for measurement and calibration, respectively.
are ultrasonic receiving probes for measurement and calibration, 4S and 4K are reception circuits for measurement and calibration, respectively, 5S and 5K are data processing circuits for measurement and calibration, respectively, and 6 is the object to be measured. . Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
ともに対象物体にあたつて反射してきた超音波を
受信し、超音波の往復伝搬時間から対象物体まで
の距離を測定する超音波計測装置において、超音
波を対象物体に向けて送信したり対象物体から反
射してきた超音波を受信するための１個または複
数個の測定用超音波探触子と、前記の測定用超音
波探触子の超音波伝搬経路をはさんで互いに対向
させるように配置した校正用超音波送信探触子お
よび校正用超音波受信探触子と、前記の測定用超
音波探触子および校正用超音波送信探触子に送信
用電気パルスを供給する送信回路と、測定用超音
波探触子および校正用超音波受信探触子から受信
した電気信号を増幅する受信回路と、前記の受信
回路から得られた信号を入力し、前記の校正用超
音波送信探触子と校正用超音波受信探触子間の距
離および超音波伝搬時間と、前記の測定用超音波
探触子から求められる超音波伝搬時間とを使用し
て、前記の測定用超音波探触子から対象物体まで
の距離を算出する手段とを具備したことを特徴と
する超音波計測装置。 An ultrasonic measuring device that transmits ultrasonic waves in the air or in a liquid, receives the reflected ultrasonic waves from a target object, and measures the distance to the target object from the round-trip propagation time of the ultrasonic waves. One or more measuring ultrasonic probes for transmitting toward a target object or receiving ultrasonic waves reflected from the target object, and an ultrasonic propagation path of the measuring ultrasonic probes. A calibration ultrasonic transmitting probe and a calibration ultrasonic receiving probe are arranged to face each other with A transmitting circuit that supplies reliable electric pulses, a receiving circuit that amplifies the electrical signals received from the measuring ultrasonic probe and the calibration ultrasonic receiving probe, and the signals obtained from the receiving circuit are input. , using the distance and ultrasonic propagation time between the calibration ultrasonic transmitting probe and the calibration ultrasonic receiving probe, and the ultrasonic propagation time determined from the measuring ultrasonic probe. An ultrasonic measuring device comprising: means for calculating a distance from the measuring ultrasonic probe to a target object.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2105389U JPH0729447Y2 (en) | 1989-02-23 | 1989-02-23 | Ultrasonic measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2105389U JPH0729447Y2 (en) | 1989-02-23 | 1989-02-23 | Ultrasonic measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02113111U true JPH02113111U (en) | 1990-09-11 |
| JPH0729447Y2 JPH0729447Y2 (en) | 1995-07-05 |
Family
ID=31237946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2105389U Expired - Lifetime JPH0729447Y2 (en) | 1989-02-23 | 1989-02-23 | Ultrasonic measuring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0729447Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010021569A (en) * | 2004-12-22 | 2010-01-28 | Asml Netherlands Bv | Ultrasonic distance sensor |
-
1989
- 1989-02-23 JP JP2105389U patent/JPH0729447Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010021569A (en) * | 2004-12-22 | 2010-01-28 | Asml Netherlands Bv | Ultrasonic distance sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0729447Y2 (en) | 1995-07-05 |
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