JPS6367921U - - Google Patents
Info
- Publication number
- JPS6367921U JPS6367921U JP1986163405U JP16340586U JPS6367921U JP S6367921 U JPS6367921 U JP S6367921U JP 1986163405 U JP1986163405 U JP 1986163405U JP 16340586 U JP16340586 U JP 16340586U JP S6367921 U JPS6367921 U JP S6367921U
- Authority
- JP
- Japan
- Prior art keywords
- vibrator
- piezoelectric element
- axis
- piezoelectric
- angular velocity
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Gyroscopes (AREA)
Description
第1図は、本考案による角速度センサの実施例
を示した斜視図、第2図は、同実施例センサの制
御回路を示した回路図である。第3図は、本発明
による角速度センサの制御回路の他の実施例を示
した回路図である。第4図aは、振動形の角速度
センサの一例を示した図、第4図bは、同角速度
センサの振動モードを示した図である。
10……振動子、21〜28……圧電素子、3
1,32……支持線、41……駆動回路、42…
…検出回路、43……制動回路。
FIG. 1 is a perspective view showing an embodiment of an angular velocity sensor according to the present invention, and FIG. 2 is a circuit diagram showing a control circuit of the sensor according to the embodiment. FIG. 3 is a circuit diagram showing another embodiment of the control circuit for the angular velocity sensor according to the present invention. FIG. 4a is a diagram showing an example of a vibration type angular velocity sensor, and FIG. 4b is a diagram showing a vibration mode of the same angular velocity sensor. 10... Vibrator, 21-28... Piezoelectric element, 3
1, 32...Support line, 41...Drive circuit, 42...
...detection circuit, 43...braking circuit.
Claims (1)
直交XYZ座標のX軸およびY軸に対応するよう
に配置した場合に、X軸またはY軸方向に励振さ
せ、Z軸回りに回転したときに、Y軸またはX軸
方向に発生したコリオリの力による振動を検出し
て角速度を検出する角速度センサにおいて、前記
座標の第1象限から第4象限に配置される第1か
ら第4の面の内で第1の面と第4の面の稜線と第
2の面と第3の面の稜線の双方または一方をカツ
トした振動子と、前記振動子の第1の面のX軸側
に配置された第1の圧電素子と、前記振動子の第
1の面のY軸側に配置された第2の圧電素子と、
前記振動子の第2の面のY軸側に配置された第3
の圧電素子と、前記振動子の第2の面のX軸側に
配置された第4の圧電素子と、前記振動子の第3
の面のX軸側に配置された第5の圧電素子と、前
記振動子の第3の面のY軸側に配置された第6の
圧電素子と、前記振動子の第4の面のY軸側に配
置された第7の圧電素子と、前記振動子の第4の
面のX軸側に配置された第8の圧電素子とから構
成したことを特徴とする角速度センサ。 (2) 前記第1、第4、第5、第8の圧電素子は
駆動側の圧電素子であり、前記第2、第3、第6
、第7の圧電素子は検出側の圧電素子であること
を特徴とする実用新案登録請求の範囲第1項記載
の角速度センサ。 (3) 前記第1、第4、第5、第8の圧電素子は
検出側の圧電素子であり、前記第2、第3、第6
、第7の圧電素子は駆動側の圧電素子であること
を特徴とする実用新案登録請求の範囲第1項記載
の角速度センサ。[Claims for Utility Model Registration] (1) When a prismatic vibrator with a square cross section is arranged so that its diagonals correspond to the X and Y axes of orthogonal XYZ coordinates, it is excited in the X-axis or Y-axis direction. In an angular velocity sensor that detects angular velocity by detecting vibrations due to Coriolis force generated in the Y-axis or X-axis direction when the sensor rotates around the Z-axis, a vibrator in which both or one of the ridge lines of the first surface and the fourth surface and the ridge lines of the second surface and the third surface are cut out among the first to fourth surfaces; a first piezoelectric element disposed on the X-axis side of the first surface of the vibrator; a second piezoelectric element disposed on the Y-axis side of the first surface of the vibrator;
A third oscillator disposed on the Y-axis side of the second surface of the vibrator.
a fourth piezoelectric element disposed on the X-axis side of the second surface of the vibrator, and a third piezoelectric element of the vibrator.
a fifth piezoelectric element placed on the X-axis side of the surface of the vibrator, a sixth piezoelectric element placed on the Y-axis side of the third surface of the vibrator, and a Y-axis side of the fourth surface of the vibrator. An angular velocity sensor comprising: a seventh piezoelectric element disposed on the axis side; and an eighth piezoelectric element disposed on the X-axis side of the fourth surface of the vibrator. (2) The first, fourth, fifth, and eighth piezoelectric elements are driving-side piezoelectric elements, and the second, third, and sixth piezoelectric elements are drive-side piezoelectric elements.
The angular velocity sensor according to claim 1, wherein the seventh piezoelectric element is a detection side piezoelectric element. (3) The first, fourth, fifth, and eighth piezoelectric elements are detection-side piezoelectric elements, and the second, third, and sixth piezoelectric elements are detection-side piezoelectric elements.
The angular velocity sensor according to claim 1, wherein the seventh piezoelectric element is a drive-side piezoelectric element.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986163405U JPS6367921U (en) | 1986-10-24 | 1986-10-24 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986163405U JPS6367921U (en) | 1986-10-24 | 1986-10-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6367921U true JPS6367921U (en) | 1988-05-07 |
Family
ID=31091572
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1986163405U Pending JPS6367921U (en) | 1986-10-24 | 1986-10-24 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6367921U (en) |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0251066A (en) * | 1988-08-12 | 1990-02-21 | Murata Mfg Co Ltd | Vibration gyroscope |
JPH02187622A (en) * | 1989-01-17 | 1990-07-23 | Nec Home Electron Ltd | Vehicle |
JPH02223818A (en) * | 1989-02-25 | 1990-09-06 | Murata Mfg Co Ltd | Oscillation circuit |
JPH02223817A (en) * | 1989-02-25 | 1990-09-06 | Murata Mfg Co Ltd | Vibration gyro |
JPH02266214A (en) * | 1989-04-06 | 1990-10-31 | Murata Mfg Co Ltd | Vibration gyro |
JPH02266215A (en) * | 1989-04-06 | 1990-10-31 | Murata Mfg Co Ltd | Vibrator |
JPH02293621A (en) * | 1989-05-08 | 1990-12-04 | Murata Mfg Co Ltd | Vibrator |
JPH0534161A (en) * | 1991-08-01 | 1993-02-09 | Akai Electric Co Ltd | Vibration gyro |
JPH0587575A (en) * | 1991-09-25 | 1993-04-06 | Akai Electric Co Ltd | Vibration gyroscope |
JPH05157567A (en) * | 1991-12-10 | 1993-06-22 | Akai Electric Co Ltd | Vibrator for vibrating gyroscope |
JPH05322583A (en) * | 1992-11-13 | 1993-12-07 | Murata Mfg Co Ltd | Oscillation gyroscope |
JPH05322582A (en) * | 1992-11-13 | 1993-12-07 | Murata Mfg Co Ltd | Oscillation gyroscope |
JPH05322584A (en) * | 1992-11-13 | 1993-12-07 | Murata Mfg Co Ltd | Oscillation gyroscope |
JPH0650762A (en) * | 1993-03-08 | 1994-02-25 | Murata Mfg Co Ltd | Vibrating gyro |
JPH0650761A (en) * | 1993-03-08 | 1994-02-25 | Murata Mfg Co Ltd | Vibrating gyro |
-
1986
- 1986-10-24 JP JP1986163405U patent/JPS6367921U/ja active Pending
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0251066A (en) * | 1988-08-12 | 1990-02-21 | Murata Mfg Co Ltd | Vibration gyroscope |
JPH02187622A (en) * | 1989-01-17 | 1990-07-23 | Nec Home Electron Ltd | Vehicle |
JPH02223818A (en) * | 1989-02-25 | 1990-09-06 | Murata Mfg Co Ltd | Oscillation circuit |
JPH02223817A (en) * | 1989-02-25 | 1990-09-06 | Murata Mfg Co Ltd | Vibration gyro |
JPH02266214A (en) * | 1989-04-06 | 1990-10-31 | Murata Mfg Co Ltd | Vibration gyro |
JPH02266215A (en) * | 1989-04-06 | 1990-10-31 | Murata Mfg Co Ltd | Vibrator |
JPH02293621A (en) * | 1989-05-08 | 1990-12-04 | Murata Mfg Co Ltd | Vibrator |
JPH0534161A (en) * | 1991-08-01 | 1993-02-09 | Akai Electric Co Ltd | Vibration gyro |
JPH0587575A (en) * | 1991-09-25 | 1993-04-06 | Akai Electric Co Ltd | Vibration gyroscope |
JPH05157567A (en) * | 1991-12-10 | 1993-06-22 | Akai Electric Co Ltd | Vibrator for vibrating gyroscope |
JPH05322583A (en) * | 1992-11-13 | 1993-12-07 | Murata Mfg Co Ltd | Oscillation gyroscope |
JPH05322582A (en) * | 1992-11-13 | 1993-12-07 | Murata Mfg Co Ltd | Oscillation gyroscope |
JPH05322584A (en) * | 1992-11-13 | 1993-12-07 | Murata Mfg Co Ltd | Oscillation gyroscope |
JPH0650762A (en) * | 1993-03-08 | 1994-02-25 | Murata Mfg Co Ltd | Vibrating gyro |
JPH0650761A (en) * | 1993-03-08 | 1994-02-25 | Murata Mfg Co Ltd | Vibrating gyro |
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