JPH0382931U - - Google Patents
Info
- Publication number
- JPH0382931U JPH0382931U JP14282589U JP14282589U JPH0382931U JP H0382931 U JPH0382931 U JP H0382931U JP 14282589 U JP14282589 U JP 14282589U JP 14282589 U JP14282589 U JP 14282589U JP H0382931 U JPH0382931 U JP H0382931U
- Authority
- JP
- Japan
- Prior art keywords
- switching means
- constant voltage
- main terminal
- voltage
- drive 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.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Dc-Dc Converters (AREA)
- Thyristor Switches And Gates (AREA)
- Electronic Switches (AREA)
Description
第１図は本考案の１実施例の駆動回路を示す回
路図、第２図は従来の駆動回路の一例を示す回路
図、第３図は第２図の変形を示す回路図、第４図
〜第６図はそれぞれ本考案の１実施例の駆動回路
を示す回路図、である。
符号の説明、１，２……直流電源、５，１６…
…ツエナー・ダイオード、８……コイル。
Fig. 1 is a circuit diagram showing a drive circuit according to an embodiment of the present invention, Fig. 2 is a circuit diagram showing an example of a conventional drive circuit, Fig. 3 is a circuit diagram showing a modification of Fig. 2, and Fig. 4 is a circuit diagram showing an example of a conventional drive circuit. 6 are circuit diagrams showing drive circuits according to an embodiment of the present invention. Explanation of symbols, 1, 2...DC power supply, 5, 16...
...Zener diode, 8...coil.
Claims (1)
のスイツチング手段があつて、その駆動信号入力
用にその制御端子と対をなす主端子を第１の主端
子としたときに、 ２方向に対して定電圧機能を持つ定電圧手段が
前記第１の主端子側に来るように前記第１のスイ
ツチング手段と前記定電圧手段を直列接続し、前
記第１の主端子・前記制御端子間に前記定電圧手
段を接続し、前記制御端子側に第２のスイツチン
グ手段が来るように第１の直流電圧源の両出力端
子間に前記第１のスイツチング手段、前記定電圧
手段、及び、前記第２のスイツチング手段を直列
接続したスイツチング回路において、 前記第１の主端子・前記制御端子間にコイルを
接続し、 前記第２のスイツチング手段が、オンのとき、
第２の直流電圧源、その通流電流の最大値を制限
する電流制限手段、及び、前記コイルを含む閉回
路を形成することを特徴とする駆動回路。 (2) 前記定電圧手段がツエナー・ダイオードで
あることを特徴とする請求項１記載の駆動回路。 (3) 前記電流制限手段が抵抗又は定電流手段で
あることを特徴とする請求項１または２記載の駆
動回路。 (4) 前記第１、第２の直流電圧源を共通にして
１つにまとめたことを特徴とする請求項１，２又
は３記載のの駆動回路。[Claims for Utility Model Registration] (1) Normally-off type, voltage-driven type
When there is a switching means and the main terminal paired with the control terminal for inputting the drive signal is used as the first main terminal, the constant voltage means having a constant voltage function in two directions is the first main terminal. The first switching means and the constant voltage means are connected in series so as to be on the main terminal side, the constant voltage means is connected between the first main terminal and the control terminal, and the first switching means is connected on the control terminal side. In the switching circuit, the first switching means, the constant voltage means, and the second switching means are connected in series between both output terminals of a first DC voltage source so that the second switching means is connected in series, A coil is connected between the first main terminal and the control terminal, and when the second switching means is on,
A drive circuit forming a closed circuit including a second DC voltage source, current limiting means for limiting the maximum value of the current flowing through the second DC voltage source, and the coil. (2) The drive circuit according to claim 1, wherein the constant voltage means is a Zener diode. (3) The drive circuit according to claim 1 or 2, wherein the current limiting means is a resistor or a constant current means. (4) The drive circuit according to claim 1, 2 or 3, characterized in that the first and second DC voltage sources are common and integrated into one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14282589U JPH0382931U (en) | 1989-12-12 | 1989-12-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14282589U JPH0382931U (en) | 1989-12-12 | 1989-12-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0382931U true JPH0382931U (en) | 1991-08-23 |
Family
ID=31689638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14282589U Pending JPH0382931U (en) | 1989-12-12 | 1989-12-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0382931U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002079287A (en) * | 2000-09-07 | 2002-03-19 | Nippon Naturock Kk | Water cleaning apparatus |
| JP2005074390A (en) * | 2003-09-03 | 2005-03-24 | Yuushin Denki Kk | Sludge ceramic carrier and its production method |
| JP2007209855A (en) * | 2006-02-07 | 2007-08-23 | Tokyo Univ Of Marine Science & Technology | Microorganism support single substance and sewage purifying apparatus for sewage purification |
-
1989
- 1989-12-12 JP JP14282589U patent/JPH0382931U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002079287A (en) * | 2000-09-07 | 2002-03-19 | Nippon Naturock Kk | Water cleaning apparatus |
| JP2005074390A (en) * | 2003-09-03 | 2005-03-24 | Yuushin Denki Kk | Sludge ceramic carrier and its production method |
| JP2007209855A (en) * | 2006-02-07 | 2007-08-23 | Tokyo Univ Of Marine Science & Technology | Microorganism support single substance and sewage purifying apparatus for sewage purification |
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