JPH03120692U - - Google Patents
Info
- Publication number
- JPH03120692U JPH03120692U JP1990029917U JP2991790U JPH03120692U JP H03120692 U JPH03120692 U JP H03120692U JP 1990029917 U JP1990029917 U JP 1990029917U JP 2991790 U JP2991790 U JP 2991790U JP H03120692 U JPH03120692 U JP H03120692U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- converter
- capacitive element
- circuit
- coil
- 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 4
Description
第１図と第２図は本考案の容量性素子の駆動回
路とタイミングチヤート、第３図は本考案の別の
実施例である容量性素子の駆動回路、第４図、第
５図、第６図は従来の容量性素子の駆動回路であ
る。
１０……容量性素子、２０……ＤＣ−ＡＣイン
バータ、２０１……ＤＣ−ＡＣインバータの制御
回路、３０……ＤＣ−ＤＣコンバータ、４０……
ピーク電圧検出回路、Ｌ１……チヨークコイル、
Ｑ５，Ｑ６……スイツチ。
1 and 2 are a capacitive element drive circuit and a timing chart of the present invention, FIG. 3 is a capacitive element drive circuit that is another embodiment of the present invention, and FIGS. FIG. 6 shows a conventional capacitive element drive circuit. 10...Capacitive element, 20...DC-AC inverter, 201...DC-AC inverter control circuit, 30...DC-DC converter, 40...
Peak voltage detection circuit, L1...Chi York coil,
Q5, Q6...Switch.
Claims (1)
加し、容量性素子を駆動する駆動回路において、 直流電圧を直流高電圧に変換し、帰還端子を有
し、帰還端子に与えられる電圧に応じて出力電圧
を制御する機能を有するＤＣ−ＤＣコンバータと
、 チヨークコイルの一端と前記容量性素子の一端
とを接続した負荷回路と、 前記チヨークコイルの他端と前記ＤＣ−ＤＣコ
ンバターの高電位側出力端を接続する第１のスイ
ツチと、 前記チヨークコイルの他端と前記ＤＣ−ＤＣコ
ンバータの低電位側出力端と前記ＤＣ−ＤＣコン
バータの低電位側出力端を接続する第２のスイツ
チと、 前記第１、第２のスイツチを交互に開閉して前
記負荷回路に交流電圧を印加するように制御する
制御回路と、 前記チヨークコイルと前記容量性素子の接続点
に接続し、電圧の交流分のピークツウピーク値を
直流電圧に変換出力するピーク検出回路とを具備
し、 前記ピーク検出回路出力を前記ＤＣ−ＤＣコン
バータの帰還端子にピーク検出出力値が一定とな
る関係で結合したことを特徴とする容量性素子の
駆動回路。[Claims for Utility Model Registration] In a drive circuit that converts DC voltage into AC voltage and applies it to a capacitive element to drive the capacitive element, the drive circuit converts DC voltage to DC high voltage and has a feedback terminal, a DC-DC converter having a function of controlling an output voltage according to a voltage applied to a feedback terminal; a load circuit connecting one end of the Chiyork coil and one end of the capacitive element; and a load circuit connecting the other end of the Chiyork coil to the DC- a first switch that connects the high potential side output terminal of the DC converter; and a first switch that connects the other end of the York coil, the low potential side output terminal of the DC-DC converter, and the low potential side output terminal of the DC-DC converter. a control circuit that controls the first and second switches to alternately open and close to apply an alternating voltage to the load circuit; and a peak detection circuit that converts and outputs the peak-to-peak value of the AC component of the voltage into a DC voltage, and the output of the peak detection circuit is coupled to the feedback terminal of the DC-DC converter in such a manner that the peak detection output value is constant. A capacitive element drive circuit characterized by the following.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990029917U JPH03120692U (en) | 1990-03-23 | 1990-03-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990029917U JPH03120692U (en) | 1990-03-23 | 1990-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03120692U true JPH03120692U (en) | 1991-12-11 |
Family
ID=31532661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990029917U Pending JPH03120692U (en) | 1990-03-23 | 1990-03-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03120692U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04340334A (en) * | 1991-05-15 | 1992-11-26 | Matsushita Electric Works Ltd | Emergency light |
| JPH05308779A (en) * | 1992-04-30 | 1993-11-19 | Riyoosan:Kk | Inverter equipment |
| JPH1154269A (en) * | 1997-08-07 | 1999-02-26 | Kokushin Sangyo Kk | El drive device |
| JP2019088095A (en) * | 2017-11-07 | 2019-06-06 | 株式会社東芝 | Semiconductor device, electric power conversion device, driving device, vehicle, and elevator |
-
1990
- 1990-03-23 JP JP1990029917U patent/JPH03120692U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04340334A (en) * | 1991-05-15 | 1992-11-26 | Matsushita Electric Works Ltd | Emergency light |
| JPH05308779A (en) * | 1992-04-30 | 1993-11-19 | Riyoosan:Kk | Inverter equipment |
| JPH1154269A (en) * | 1997-08-07 | 1999-02-26 | Kokushin Sangyo Kk | El drive device |
| JP2019088095A (en) * | 2017-11-07 | 2019-06-06 | 株式会社東芝 | Semiconductor device, electric power conversion device, driving device, vehicle, and elevator |