JPS6355789U - - Google Patents
Info
- Publication number
- JPS6355789U JPS6355789U JP14877586U JP14877586U JPS6355789U JP S6355789 U JPS6355789 U JP S6355789U JP 14877586 U JP14877586 U JP 14877586U JP 14877586 U JP14877586 U JP 14877586U JP S6355789 U JPS6355789 U JP S6355789U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- terminal
- converter
- high voltage
- terminals
- 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 5
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Rectifiers (AREA)
- Control Of Voltage And Current In General (AREA)
- Dc-Dc Converters (AREA)
Description
第１図は本考案の一実施例に係る高圧電源装置
の回路構成図、第２および３図はそれぞれ従来の
高圧電源装置の概略の回路構成図である。
１，２：コンバータ、５：スイツチ回路、６，
７：抵抗、（逆極性電流バイパス用）、８：電流
検出回路、８１，８２：負荷電流検出抵抗、８３
，８４，８５：ダイオード、Ｘ：高圧出力端子、
ａ，ｂ，ｃ，ｄ：コンバータの出力端子、Ｅ：接
地端子。
FIG. 1 is a circuit configuration diagram of a high-voltage power supply device according to an embodiment of the present invention, and FIGS. 2 and 3 are schematic circuit diagrams of conventional high-voltage power supply devices, respectively. 1, 2: converter, 5: switch circuit, 6,
7: Resistor, (for reverse polarity current bypass), 8: Current detection circuit, 81, 82: Load current detection resistor, 83
, 84, 85: diode, X: high voltage output terminal,
a, b, c, d: converter output terminal, E: ground terminal.
Claims (1)
を発生する第１のＤＣ―ＤＣコンバータと、第１
および第２の端子間に接続された第１の抵抗と、
第２および第３の端子間に上記第１の高圧直流出
力と逆極性の第２の高圧直流出力を発生する第２
のＤＣ―ＤＣコンバータと、第２および第３の端
子間に接続された第２の抵抗と、第３の端子と接
地端子間に直列に接続されて第１の端子と接地端
子とを介して流れる負荷電流を検出し、この検出
信号を上記第１および第２のＤＣ―ＤＣコンバー
タに負帰環する電流検出回路と、上記第１および
第２のＤＣ―ＤＣコンバータを択一的に動作させ
るスイツチ回路とを具備し、上記第１の端子と接
地端子との間に正および負の定電流化高圧直流出
力を択一的に発生する高圧電源装置であつて、 上記電流検出回路が、一端を上記接地端子に他
端を上記第１のＤＣ―ＤＣコンバータの負帰還信
号入力端子に接続された第３の抵抗と、該第３の
抵抗の他端と上記第３の端子との間に上記第１の
ＤＣ―ＤＣコンバータの動作時の上記負荷電流に
対して順方向接続された第１のダイオードと、一
端を上記接地端子に他端を上記第２のＤＣ―ＤＣ
コンバータの負帰還信号入力端子に接続された第
４の抵抗と、該第４の抵抗の他端と上記第３の端
子との間に上記第２のＤＣ―ＤＣコンバータの動
作時の上記負荷電流に対して順方向接続された第
２のダイオードと、さらに上記第３および第４の
抵抗の少なくとも一方と直列に、該抵抗の他端に
接続された上記第１または第２のダイオードと同
一方向で介挿された第３のダイオードとを具備す
ることを特徴とする高圧電源装置。[Claims for Utility Model Registration] A first DC-DC converter that generates a first high-voltage DC output between first and second terminals;
and a first resistor connected between the second terminals;
A second high voltage DC output that generates a second high voltage DC output of opposite polarity to the first high voltage DC output between the second and third terminals.
a DC-DC converter, a second resistor connected between the second and third terminals, and a second resistor connected in series between the third terminal and the ground terminal through the first terminal and the ground terminal. A current detection circuit that detects a flowing load current and feeds back this detection signal to the first and second DC-DC converters, and selectively operates the first and second DC-DC converters. A high voltage power supply device comprising a switch circuit and selectively generating positive and negative constant current high voltage direct current outputs between the first terminal and the ground terminal, wherein the current detection circuit is connected to one end of the high voltage power supply device. a third resistor whose other end is connected to the ground terminal and the negative feedback signal input terminal of the first DC-DC converter, and between the other end of the third resistor and the third terminal. a first diode connected in a forward direction with respect to the load current during operation of the first DC-DC converter; one end connected to the ground terminal and the other end connected to the second DC-DC converter;
A fourth resistor connected to the negative feedback signal input terminal of the converter, and the load current flowing between the other end of the fourth resistor and the third terminal during operation of the second DC-DC converter. a second diode connected in the forward direction to the resistor, and further in series with at least one of the third and fourth resistors in the same direction as the first or second diode connected to the other end of the resistor. A high-voltage power supply device comprising: a third diode inserted therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14877586U JPS6355789U (en) | 1986-09-30 | 1986-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14877586U JPS6355789U (en) | 1986-09-30 | 1986-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6355789U true JPS6355789U (en) | 1988-04-14 |
Family
ID=31063361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14877586U Pending JPS6355789U (en) | 1986-09-30 | 1986-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6355789U (en) |
-
1986
- 1986-09-30 JP JP14877586U patent/JPS6355789U/ja active Pending
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