JPS648680U - - Google Patents
Info
- Publication number
- JPS648680U JPS648680U JP10416887U JP10416887U JPS648680U JP S648680 U JPS648680 U JP S648680U JP 10416887 U JP10416887 U JP 10416887U JP 10416887 U JP10416887 U JP 10416887U JP S648680 U JPS648680 U JP S648680U
- Authority
- JP
- Japan
- Prior art keywords
- transducer
- switch
- drive circuit
- pulses
- received
- 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
- 238000005259 measurement Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 8
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Description
第１図は本考案の要旨の１実施例を示すブロツ
ク図、第２図は第１図の実施例の動作を説明する
説明図、第３図は本考案の他の実施例を示すブロ
ツク図、第４図は第３図の各部の波形を示す波形
図、第５図はスイツチ素子としてトランジスタを
用いた場合の本考案の更に他の実施例を示すブロ
ツク図、第６図は第５図に示す実施例の各部の波
形を示す波形図、第７図は従来の送信側の問題点
を説明する等価回路図、第８図は従来の受信側の
問題点を説明する等価回路図、第９図は従来の超
音波測距装置の構成を示す構成図である。
１０……駆動回路、１１……送受波器、１２…
…インダクタンス、１４……受信回路、１５……
駆動回路、１６……チヤージコンバータ、１８…
…単安定マルチ、１９……発振器。
FIG. 1 is a block diagram showing one embodiment of the gist of the present invention, FIG. 2 is an explanatory diagram explaining the operation of the embodiment of FIG. 1, and FIG. 3 is a block diagram showing another embodiment of the present invention. , FIG. 4 is a waveform diagram showing the waveforms of each part in FIG. 3, FIG. 5 is a block diagram showing still another embodiment of the present invention in which a transistor is used as a switch element, and FIG. 7 is an equivalent circuit diagram illustrating the problems of the conventional transmitting side. FIG. 8 is an equivalent circuit diagram illustrating the problems of the conventional receiving side. FIG. 9 is a configuration diagram showing the configuration of a conventional ultrasonic distance measuring device. 10...Drive circuit, 11...Transducer/receiver, 12...
...Inductance, 14... Receiving circuit, 15...
Drive circuit, 16...Charge converter, 18...
...monostable multi, 19...oscillator.
Claims (1)
反射する反射パルスを受信する送受波器とこの送
受波器に駆動電圧を供給する駆動回路と前記送受
波器で受けた前記反射パルスに対応した受信信号
を受信する受信回路とを有する超音波測距装置に
おいて、前記駆動回路と前記送受波器との間にス
イツチを介して直列に接続されたインダクタンス
と、前記インダクタンスと前記送受波器の直列回
路の両端に並列に接続され前記受信信号を受信す
るチヤージコンバータと、前記送受波器から超音
波パルスを送出する際には前記スイツチをオンと
し前記受信信号を受信する際には前記スイツチを
オフとするスイツチ駆動回路とを具備することを
特徴とする超音波測距装置。 A transducer that transmits ultrasonic pulses to a measurement surface and receives reflected pulses reflected from the measurement surface, a drive circuit that supplies a driving voltage to the transducer, and a transducer that responds to the reflected pulses received by the transducer. an inductance connected in series between the drive circuit and the transducer via a switch; and an inductance connected in series between the inductance and the transducer. a charge converter connected in parallel to both ends of the circuit to receive the received signal, and a switch that is turned on when transmitting ultrasonic pulses from the transducer and a switch that is turned on when the received signal is received. An ultrasonic distance measuring device comprising: a switch drive circuit that turns off the switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10416887U JPH0449594Y2 (en) | 1987-07-07 | 1987-07-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10416887U JPH0449594Y2 (en) | 1987-07-07 | 1987-07-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS648680U true JPS648680U (en) | 1989-01-18 |
| JPH0449594Y2 JPH0449594Y2 (en) | 1992-11-20 |
Family
ID=31335646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10416887U Expired JPH0449594Y2 (en) | 1987-07-07 | 1987-07-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0449594Y2 (en) |
-
1987
- 1987-07-07 JP JP10416887U patent/JPH0449594Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0449594Y2 (en) | 1992-11-20 |
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