JPH0220359U - - Google Patents
Info
- Publication number
- JPH0220359U JPH0220359U JP1988098753U JP9875388U JPH0220359U JP H0220359 U JPH0220359 U JP H0220359U JP 1988098753 U JP1988098753 U JP 1988098753U JP 9875388 U JP9875388 U JP 9875388U JP H0220359 U JPH0220359 U JP H0220359U
- Authority
- JP
- Japan
- Prior art keywords
- switch
- drive circuit
- circuit
- piezoelectric actuator
- generates
- 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 description 2
- 238000011084 recovery Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
Landscapes
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Description
第１図は本考案の具体的実施例を示す駆動回路
のブロツク図、第２図は出力電圧の時間的推移を
示すグラフである。第３図は従来の一般的な駆動
回路例である。
１……クロツク、２……分周器、３……波形整
形器、４……加算回路、５……電圧比較器、６…
…入力電圧端子、７……出力電圧端子、８……電
源端子、９……放電エネルギー回収トランス、１
０……蓄電器、１１……充電スイツチ、１２……
放電スイツチ、１３……圧電アクチユエータ、１
４……入力電圧波形、１５……休止時間、１６…
…充電時間、１７……放電時間。
FIG. 1 is a block diagram of a drive circuit showing a specific embodiment of the present invention, and FIG. 2 is a graph showing changes in output voltage over time. FIG. 3 is an example of a conventional general drive circuit. 1... Clock, 2... Frequency divider, 3... Waveform shaper, 4... Addition circuit, 5... Voltage comparator, 6...
...Input voltage terminal, 7...Output voltage terminal, 8...Power supply terminal, 9...Discharge energy recovery transformer, 1
0...Electricity storage device, 11...Charging switch, 12...
Discharge switch, 13...Piezoelectric actuator, 1
4... Input voltage waveform, 15... Rest time, 16...
...charging time, 17...discharging time.
Claims (1)
クチユエータの駆動回路において、各々のスイツ
チの動作タイミング信号を休止時間をはさんで交
互に発生する回路と、入力電圧と出力電圧を比較
して、その大小により各々のスイツチを動作させ
る信号を発生する回路と、両信号を合成して各々
のスイツチの動作を制御する回路とから成る圧電
アクチユエータ駆動回路。 ２ 上記駆動回路において放電スイツチと直列に
電源側への電力回収手段を設けた圧電アクチユエ
ータ駆動回路。[Claims for Utility Model Registration] 1. In a drive circuit for a piezoelectric actuator having a charging switch and a discharging switch, a circuit that alternately generates the operation timing signal of each switch with a rest time in between, and an input voltage and an output voltage A piezoelectric actuator drive circuit consisting of a circuit that generates a signal to operate each switch depending on its magnitude, and a circuit that combines both signals and controls the operation of each switch. 2. A piezoelectric actuator drive circuit in which power recovery means to the power source side is provided in series with the discharge switch in the above drive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988098753U JPH0220359U (en) | 1988-07-26 | 1988-07-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988098753U JPH0220359U (en) | 1988-07-26 | 1988-07-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0220359U true JPH0220359U (en) | 1990-02-09 |
Family
ID=31325294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988098753U Pending JPH0220359U (en) | 1988-07-26 | 1988-07-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0220359U (en) |
-
1988
- 1988-07-26 JP JP1988098753U patent/JPH0220359U/ja active Pending
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