JPH0366587U - - Google Patents
Info
- Publication number
- JPH0366587U JPH0366587U JP12495389U JP12495389U JPH0366587U JP H0366587 U JPH0366587 U JP H0366587U JP 12495389 U JP12495389 U JP 12495389U JP 12495389 U JP12495389 U JP 12495389U JP H0366587 U JPH0366587 U JP H0366587U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- switching element
- comparator
- circuit
- turning
- 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 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Power Conversion In General (AREA)
- Generation Of Surge Voltage And Current (AREA)
- Rectifiers (AREA)
Description
第１図はこの考案の実施例を示す回路図である
。
Ａ……直流高電圧電源（シエンケル昇圧回路）
、Ｂ……分圧器、２５……分圧端子、２７……第
１の開閉要素、３７……第２の開閉要素、２９…
…比較器、３１……ドリフト用の補正回路、３６
……リツプル用の補正回路。
FIG. 1 is a circuit diagram showing an embodiment of this invention. A...DC high voltage power supply (Sienkel booster circuit)
, B... Voltage divider, 25... Voltage dividing terminal, 27... First switching element, 37... Second switching element, 29...
... Comparator, 31 ... Correction circuit for drift, 36
...Ripple correction circuit.
Claims (1)
回路に前記直流高電圧電源の出力電圧が印加され
、最下段の分圧回路から、分圧電圧を取り出すと
ともに、前記最下段の分圧回路に、コンデンサと
直列に第１の開閉要素を挿入してなる分圧器と、 前記第１の開閉要素をオンすることにより得ら
れるドリフト電圧に相当するう電圧に基づいて、
前記直流電圧のドリフトを補正する補正回路と、 前記第１の開閉要素をオフすることにより得ら
れるリツプル電圧に相当する電圧を入力電圧とし
、これを基準電圧と比較する比較器と、 前記比較器の入力電圧と基準電圧との差が所定
値以外のときに、前記直流高電圧のリツプルを補
正する補正回路と、 ドリフトの補正状態からリツプルの補正状態に
切り換えるときに、前記第１の開閉要素をオフと
する以前に、前記比較器の入力電圧として基準電
圧を印加するための、緩慢に切り換え動作する第
２の開閉要素とを備えた 直流高電圧電源用制御装置。[Claims for Utility Model Registration] A plurality of voltage divider circuits are connected in multiple stages, and the output voltage of the DC high voltage power supply is applied to the voltage divider circuit at the top stage, and the divided voltage is applied from the voltage divider circuit at the bottom stage. At the same time, a voltage divider is formed by inserting a first switching element in series with a capacitor into the voltage dividing circuit at the lowest stage, and a voltage corresponding to the drift voltage obtained by turning on the first switching element. On the basis of the,
a correction circuit that corrects the drift of the DC voltage; a comparator that uses a voltage corresponding to the ripple voltage obtained by turning off the first switching element as an input voltage and compares it with a reference voltage; and the comparator. a correction circuit that corrects the ripple of the DC high voltage when the difference between the input voltage and the reference voltage is other than a predetermined value; and the first switching element A control device for a DC high voltage power supply, comprising: a second switching element that slowly switches to apply a reference voltage as an input voltage to the comparator before turning off the comparator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12495389U JPH0635672Y2 (en) | 1989-10-25 | 1989-10-25 | Controller for DC high voltage power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12495389U JPH0635672Y2 (en) | 1989-10-25 | 1989-10-25 | Controller for DC high voltage power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0366587U true JPH0366587U (en) | 1991-06-27 |
| JPH0635672Y2 JPH0635672Y2 (en) | 1994-09-14 |
Family
ID=31672846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12495389U Expired - Fee Related JPH0635672Y2 (en) | 1989-10-25 | 1989-10-25 | Controller for DC high voltage power supply |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0635672Y2 (en) |
-
1989
- 1989-10-25 JP JP12495389U patent/JPH0635672Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0635672Y2 (en) | 1994-09-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |