JPH0273333U - - Google Patents
Info
- Publication number
- JPH0273333U JPH0273333U JP15336088U JP15336088U JPH0273333U JP H0273333 U JPH0273333 U JP H0273333U JP 15336088 U JP15336088 U JP 15336088U JP 15336088 U JP15336088 U JP 15336088U JP H0273333 U JPH0273333 U JP H0273333U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric element
- predetermined
- discharging
- coil
- switch means
- 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
- 238000007599 discharging Methods 0.000 claims 3
- 230000005284 excitation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Dot-Matrix Printers And Others (AREA)
- Impact Printers (AREA)
Description
第１図はこの考案の一実施例を示す回路図、第
２図は第１図に示したものの動作波形図、第３図
は第１図に示したものにおける充電電流の流れを
示す説明回路図、第４図は従来の圧電素子の駆動
装置を示す回路図、第５図は第４図に示したもの
の動作波形図である。
ＳＷ１０……第１のスイツチ手段、ＳＷ２０…
…第２のスイツチ手段、Ｌ１０……コイル、Ｃ１
０……圧電素子、Ｄ３０……ダイオード。
Fig. 1 is a circuit diagram showing an embodiment of this invention, Fig. 2 is an operating waveform diagram of the device shown in Fig. 1, and Fig. 3 is an explanatory circuit showing the flow of charging current in the device shown in Fig. 1. 4 is a circuit diagram showing a conventional piezoelectric element driving device, and FIG. 5 is an operation waveform diagram of the device shown in FIG. 4. SW 10 ...first switch means, SW 20 ...
...Second switch means, L 10 ...Coil, C 1
0 ...piezoelectric element, D30 ...diode.
Claims (1)
放電することにより圧電素子に寸法歪を発生させ
前記機械的駆動系の駆動力を得るようにした圧電
素子の駆動装置であつて、 前記圧電素子に接続されたコイルと、 所定の充電期間中に送出される複数の駆動パル
スに応じて開閉し、前記コイルと圧電素子との直
列回路に断続的に所定の励振電圧を印加する第１
のスイツチ手段と、 前記圧電素子に蓄積された電荷を所定の放電期
間中放電させる第２のスイツチ手段と、 充電期間内における第１のスイツチ手段の開状
態時に前記コイルと圧電素子と共に充電用閉回路
を形成するダイオードとを備えたことを特徴とす
る圧電素子の駆動装置。[Claims for Utility Model Registration] A piezoelectric element connected to a predetermined mechanical drive system that generates dimensional strain in the piezoelectric element by charging and discharging the piezoelectric element to obtain the driving force of the mechanical drive system. The drive device includes a coil connected to the piezoelectric element, and a series circuit between the coil and the piezoelectric element, which opens and closes in response to a plurality of drive pulses sent out during a predetermined charging period, and intermittently applies a predetermined pulse to a series circuit between the coil and the piezoelectric element. The first to apply the excitation voltage
a second switch means for discharging the charge accumulated in the piezoelectric element during a predetermined discharge period; and a second switch means for discharging the electric charge accumulated in the piezoelectric element during a predetermined discharge period; A driving device for a piezoelectric element, comprising: a diode forming a circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15336088U JPH0273333U (en) | 1988-11-25 | 1988-11-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15336088U JPH0273333U (en) | 1988-11-25 | 1988-11-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0273333U true JPH0273333U (en) | 1990-06-05 |
Family
ID=31429130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15336088U Pending JPH0273333U (en) | 1988-11-25 | 1988-11-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0273333U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0577455A (en) * | 1991-09-20 | 1993-03-30 | Pfu Ltd | Piezoelectric element driving circuit |
-
1988
- 1988-11-25 JP JP15336088U patent/JPH0273333U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0577455A (en) * | 1991-09-20 | 1993-03-30 | Pfu Ltd | Piezoelectric element driving circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2754610B2 (en) | Piezo actuator drive | |
| JPH0273333U (en) | ||
| JPS63130357A (en) | Piezoelectric element driving circuit | |
| JPH0258280A (en) | Driving apparatus for piezoelectric element | |
| JPS63130356A (en) | Piezoelectric element driving device | |
| JPH028943U (en) | ||
| JPS63130358A (en) | Piezoelectric element driving unit | |
| JPH1094289A (en) | Driver for vibration actuator | |
| JPS5864077A (en) | Electrostrictive element driving circuit | |
| JPH0241258A (en) | Driver for piezoelectric element | |
| JP2818425B2 (en) | Excitation method of piezoelectric actuator | |
| JPH02136245A (en) | Piezoelectric element driving apparatus | |
| JPH0232219U (en) | ||
| JPH0585196B2 (en) | ||
| JPS63186380U (en) | ||
| JPS63109503U (en) | ||
| SU1263557A1 (en) | Device for measuring braking force of electrified rolling stock | |
| JPH0220359U (en) | ||
| SU1591171A1 (en) | Device for controlling electric motor of actuating mechanism | |
| JPH01185261A (en) | Driving circuit for ultrasonic crushing of calculus | |
| JPH0353805U (en) | ||
| JPS6284857U (en) | ||
| JPS6316270U (en) | ||
| JPS6243744U (en) | ||
| JPH0288250A (en) | Piezoelectric element driving device |