JPS6324993U - - Google Patents
Info
- Publication number
- JPS6324993U JPS6324993U JP11921086U JP11921086U JPS6324993U JP S6324993 U JPS6324993 U JP S6324993U JP 11921086 U JP11921086 U JP 11921086U JP 11921086 U JP11921086 U JP 11921086U JP S6324993 U JPS6324993 U JP S6324993U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- piezoelectric element
- capacitors
- power supply
- supply circuit
- 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
- 239000003990 capacitor Substances 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Fuel-Injection Apparatus (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Description
第１図は本考案一実施例としての圧電素子駆動
回路の回路図、第２図はこの圧電素子駆動回路の
動作を示すタイミングチヤート、第３図は従来の
圧電素子駆動回路の回路図である。
１……圧電素子駆動回路、１４……第１コンデ
ンサ、１６……第２コンデンサ、１８……ツエナ
ーダイオード、２０……抵抗器、２２……第１サ
イリスタ、２４……第１コイル、２６……第２サ
イリスタ、２８……第２コイル、３０……圧電素
子。
Fig. 1 is a circuit diagram of a piezoelectric element drive circuit as an embodiment of the present invention, Fig. 2 is a timing chart showing the operation of this piezoelectric element drive circuit, and Fig. 3 is a circuit diagram of a conventional piezoelectric element drive circuit. . DESCRIPTION OF SYMBOLS 1... Piezoelectric element drive circuit, 14... First capacitor, 16... Second capacitor, 18... Zener diode, 20... Resistor, 22... First thyristor, 24... First coil, 26... ...Second thyristor, 28...Second coil, 30...Piezoelectric element.
Claims (1)
り供給された電荷を貯える直列接続の二つのコン
デンサと、 圧電素子と上記二つのコンデンサとの間で、該
圧電素子と共に直列共振回路を形成する第１回路
と、 上記圧電素子と上記二つのコンデンサの一方の
コンデンサとの間で、該コンデンサと共に直列共
振回路を形成する第２回路と、 を備え、上記二つのコンデンサに貯えられた電
荷を上記第１回路を介して上記圧電素子に充電さ
せ、あるいは上記圧電素子に貯えられた電荷を上
記第２回路を介して上記一方のコンデンサへ放電
させるよう構成することにより上記圧電素子を駆
動する圧電素子駆動回路において、 更に、上記電源回路の電圧に基づいて設定され
た基準電圧に上記一方のコンデンサの端子間電圧
を調整する自動電圧調整回路を備えてなることを
特徴とする圧電素子駆動回路。[Claims for Utility Model Registration] A power supply circuit, two series-connected capacitors that are connected in parallel with the power supply circuit and store electric charge supplied from the power supply circuit, and between the piezoelectric element and the two capacitors. and a first circuit that forms a series resonant circuit together with the piezoelectric element; and a second circuit that forms a series resonant circuit together with the capacitor between the piezoelectric element and one of the two capacitors. , the charges stored in the two capacitors are charged to the piezoelectric element via the first circuit, or the charges stored in the piezoelectric element are discharged to one of the capacitors via the second circuit. The piezoelectric element drive circuit that drives the piezoelectric element by configuring the piezoelectric element drive circuit further comprises an automatic voltage adjustment circuit that adjusts the voltage between the terminals of the one capacitor to a reference voltage set based on the voltage of the power supply circuit. A piezoelectric element drive circuit characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11921086U JPH0523267Y2 (en) | 1986-08-01 | 1986-08-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11921086U JPH0523267Y2 (en) | 1986-08-01 | 1986-08-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6324993U true JPS6324993U (en) | 1988-02-18 |
| JPH0523267Y2 JPH0523267Y2 (en) | 1993-06-15 |
Family
ID=31006363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11921086U Expired - Lifetime JPH0523267Y2 (en) | 1986-08-01 | 1986-08-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0523267Y2 (en) |
-
1986
- 1986-08-01 JP JP11921086U patent/JPH0523267Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0523267Y2 (en) | 1993-06-15 |
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