JPS6387510U - - Google Patents
Info
- Publication number
- JPS6387510U JPS6387510U JP18151286U JP18151286U JPS6387510U JP S6387510 U JPS6387510 U JP S6387510U JP 18151286 U JP18151286 U JP 18151286U JP 18151286 U JP18151286 U JP 18151286U JP S6387510 U JPS6387510 U JP S6387510U
- Authority
- JP
- Japan
- Prior art keywords
- sensor unit
- measured object
- excitation current
- sensor
- rectangular 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
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000005284 excitation Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
第１図は本考案の具体的実施例である非接触変
位測定装置の概要を示すブロツク回路図、第２図
は矩形波発信回路の具体的回路例を示した図、第
３図は従来の非接触変位測定装置の概要を示すブ
ロツク回路図である。
１……センサ部、２……被測定体（ターゲツト
）、３，３０……変位変換部、３ａ……正弦波発
信回路、３ｂ……乗算回路、３０ａ……矩形波発
信回路。
Fig. 1 is a block circuit diagram showing an outline of a non-contact displacement measuring device which is a specific embodiment of the present invention, Fig. 2 is a diagram showing a specific circuit example of a rectangular wave transmitting circuit, and Fig. 3 is a diagram showing a conventional 1 is a block circuit diagram showing an outline of a non-contact displacement measuring device. FIG. DESCRIPTION OF SYMBOLS 1... Sensor section, 2... Measured object (target), 3, 30... Displacement conversion section, 3a... Sine wave transmitting circuit, 3b... Multiplication circuit, 30a... Rectangular wave transmitting circuit.
Claims (1)
サ部と、前記被測定体に渦電流を発生させる励磁
電流を前記センサ部に供給すると共に前記被測定
体と前記センサ部との接近状態に応じた渦電流を
逐次前記センサ部を介して入力して変位に変換す
る変位変換器とから成る非接触変位測定装置にお
いて、前記変位変換部から前記センサ部に供給す
る前記励磁電流を矩形波発信回路からの矩形波励
磁電流としたことを特徴とする非接触変位測定装
置。 a sensor unit that non-contact detects a state of proximity to a measured object; and a sensor unit that supplies an excitation current that generates an eddy current in the measured object to the sensor unit and detects a state of proximity between the measured object and the sensor unit. and a displacement converter that sequentially inputs corresponding eddy currents through the sensor section and converts them into displacements, in which the excitation current supplied from the displacement conversion section to the sensor section is transmitted as a rectangular wave. A non-contact displacement measuring device characterized by using a rectangular wave excitation current from a circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18151286U JPS6387510U (en) | 1986-11-26 | 1986-11-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18151286U JPS6387510U (en) | 1986-11-26 | 1986-11-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6387510U true JPS6387510U (en) | 1988-06-07 |
Family
ID=31126449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18151286U Pending JPS6387510U (en) | 1986-11-26 | 1986-11-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6387510U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5684501A (en) * | 1979-11-15 | 1981-07-09 | Bosch Gmbh Robert | Measuring device for detecting distance between metallic surface and its opposite surface under nonncontact condition |
| JPS6052712A (en) * | 1983-09-02 | 1985-03-26 | Diesel Kiki Co Ltd | Position detecting circuit |
-
1986
- 1986-11-26 JP JP18151286U patent/JPS6387510U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5684501A (en) * | 1979-11-15 | 1981-07-09 | Bosch Gmbh Robert | Measuring device for detecting distance between metallic surface and its opposite surface under nonncontact condition |
| JPS6052712A (en) * | 1983-09-02 | 1985-03-26 | Diesel Kiki Co Ltd | Position detecting circuit |
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