JPS62195378U - - Google Patents
Info
- Publication number
- JPS62195378U JPS62195378U JP8352986U JP8352986U JPS62195378U JP S62195378 U JPS62195378 U JP S62195378U JP 8352986 U JP8352986 U JP 8352986U JP 8352986 U JP8352986 U JP 8352986U JP S62195378 U JPS62195378 U JP S62195378U
- Authority
- JP
- Japan
- Prior art keywords
- switching element
- output
- resistor
- voltage
- output winding
- 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
- 238000004804 winding Methods 0.000 claims description 6
- 108091027981 Response element Proteins 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図はこの考案の一実施例を示す回路図であ
る。第２図は第１図実施例の電流―電圧特性を示
すグラフである。第３図はこの考案の他の実施例
を示す回路図である。第４図はこの考案の背景と
なる従来回路の一例を示す回路図である。
図において、１０はトランス、１２は出力巻線
、１２ａは低電位側、１２ｂは出力側、１４はｎ
ｐｎトランジスタ、１５はｐｎｐトランジスタ、
１８はダイオード、２０は中圧回路、２２はツエ
ナーダイオード、２３はｎｐｎトランジスタ、２
４はバイアス端子、２６は高圧負荷回路、２８は
コロナ帯電器、３２は電圧比較器、Ｒ１は第１の
抵抗、Ｒ２は第２の抵抗を示す。
FIG. 1 is a circuit diagram showing an embodiment of this invention. FIG. 2 is a graph showing the current-voltage characteristics of the embodiment shown in FIG. FIG. 3 is a circuit diagram showing another embodiment of this invention. FIG. 4 is a circuit diagram showing an example of a conventional circuit that is the background of this invention. In the figure, 10 is a transformer, 12 is an output winding, 12a is a low potential side, 12b is an output side, 14 is an n
pn transistor, 15 is pnp transistor,
18 is a diode, 20 is a medium voltage circuit, 22 is a Zener diode, 23 is an npn transistor, 2
4 is a bias terminal, 26 is a high voltage load circuit, 28 is a corona charger, 32 is a voltage comparator, R 1 is a first resistor, and R 2 is a second resistor.
Claims (1)
れる、第１の抵抗とスイツチング素子との直列接
続、 前記直列接続に並列接続される第２の抵抗、 前記出力巻線の前記出力との間にダイオードを
通して接続される中圧回路、 前記中圧回路と前記ダイオードとの接続点と基
準電位との間に接続される電圧応答素子、および 前記出力巻線の出力と前記基準電位との間に接
続される高圧負荷回路を備え、 前記高圧負荷回路の動作時には、前記スイツチ
ング素子をオンとして、前記第１および第２の抵
抗に流れる電流を検出し、 前記高圧負荷回路の非動作時には、前記スイツ
チング素子をオフするとともに前記ダイオードに
逆バイアスを印加して、前記第２の抵抗に流れる
電流を検出する、高圧電源回路。 ２ 前記スイツチング素子はトランジスタを含む
、実用新案登録請求の範囲第１項記載の高圧電源
回路。 ３ 前記高圧負荷回路はコロナ放電部を含み、前
記スイツチング素子がオフのとき、前記第２の抵
抗に流れる電流に応じて前記出力巻線の出力を前
記コロナ放電部の放電開始電圧以下に制御する手
段を備える、実用新案登録請求の範囲第１項また
は第２項記載の高圧電源回路。[Claims for Utility Model Registration] 1. A transformer having an output winding, a series connection of a first resistor and a switching element connected between the output of the output winding and a reference potential, and a switching element connected in parallel to the series connection. a second resistor connected; a medium voltage circuit connected through a diode between the output of the output winding; and a voltage connected between a connection point between the medium voltage circuit and the diode and a reference potential. a response element, and a high voltage load circuit connected between the output of the output winding and the reference potential, and when the high voltage load circuit is in operation, the switching element is turned on and the first and second resistors are turned on. a high-voltage power supply circuit that detects a current flowing through the second resistor, turns off the switching element and applies a reverse bias to the diode when the high-voltage load circuit is not in operation, and detects the current flowing through the second resistor. 2. The high voltage power supply circuit according to claim 1, wherein the switching element includes a transistor. 3. The high voltage load circuit includes a corona discharge section, and when the switching element is off, the output of the output winding is controlled to be equal to or lower than the discharge starting voltage of the corona discharge section according to the current flowing through the second resistor. A high-voltage power supply circuit according to claim 1 or 2, comprising: means.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8352986U JPH0528950Y2 (en) | 1986-05-30 | 1986-05-30 | |
| DE19873717919 DE3717919C2 (en) | 1986-05-30 | 1987-05-27 | High voltage supply device |
| US07/055,188 US4841425A (en) | 1986-05-30 | 1987-05-28 | High-voltage power supply apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8352986U JPH0528950Y2 (en) | 1986-05-30 | 1986-05-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62195378U true JPS62195378U (en) | 1987-12-11 |
| JPH0528950Y2 JPH0528950Y2 (en) | 1993-07-26 |
Family
ID=30937203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8352986U Expired - Lifetime JPH0528950Y2 (en) | 1986-05-30 | 1986-05-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0528950Y2 (en) |
-
1986
- 1986-05-30 JP JP8352986U patent/JPH0528950Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0528950Y2 (en) | 1993-07-26 |
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