JPS6454735U - - Google Patents
Info
- Publication number
- JPS6454735U JPS6454735U JP15026987U JP15026987U JPS6454735U JP S6454735 U JPS6454735 U JP S6454735U JP 15026987 U JP15026987 U JP 15026987U JP 15026987 U JP15026987 U JP 15026987U JP S6454735 U JPS6454735 U JP S6454735U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- relay
- whose
- transistor
- 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
- 230000001105 regulatory effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Protection Of Static Devices (AREA)
Description
第１図は本考案の一実施例の構成を示す回路図
、第２図は同実施例回路における各信号のタイミ
ング関係を示す図、第３図は従来の電源回路の構
成を示す回路図、第４図は同従来回路における各
信号のタイミング関係を示す図である。
１……ＮＯＴゲート、２……リレー、３……ト
ランジスタ、４……ツエナダイオード、５……抵
抗、６……ダイオード。
FIG. 1 is a circuit diagram showing the configuration of an embodiment of the present invention, FIG. 2 is a diagram showing the timing relationship of each signal in the same embodiment circuit, and FIG. 3 is a circuit diagram showing the configuration of a conventional power supply circuit. FIG. 4 is a diagram showing the timing relationship of each signal in the conventional circuit. 1...NOT gate, 2...Relay, 3...Transistor, 4...Zena diode, 5...Resistor, 6...Diode.
Claims (1)
が別個にされ、制御端子に反転論理回路の出力端
子が接続されている電流駆動型のリレーを備え、
このリレーの導通により前記他の電源を所定の部
位に供給するように構成されている電源回路にお
いて、前記反転論理回路の出力端子と前記リレー
の制御端子との間に、前記制御用電源が前記反転
論理回路の最低動作電圧に達するまでの期間電流
を遮断する電流規制回路を介挿したことを特徴と
する電源回路。 (2) 前記電流規制回路が、前記リレーの制御端
子に接続されたトランジスタと、このトランジス
タの動作電圧を設定するツエナダイオードとを含
む実用新案登録請求の範囲第１項記載の電源回路
。 (3) 前記電流規制回路が、コレクタが前記リレ
ーの制御端子に接続されかつエミツタが接地され
たトランジスタと、カソードが前記トランジスタ
のベースにされかつアノードが前記制御用電源の
ラインに接続されたツエナダイオードと、アノー
ドがこのツエナダイオードのカソードに接続され
かつカソードが前記反転論理回路の出力端子に接
続されたダイオードとからなる実用新案登録請求
の範囲第２項記載の電源回路。[Claims for Utility Model Registration] (1) A current-driven relay in which the control power supply source and other power supply sources are separate, and the output terminal of an inverting logic circuit is connected to the control terminal. Prepare,
In the power supply circuit configured to supply the other power source to a predetermined portion by conduction of the relay, the control power source is connected between the output terminal of the inverting logic circuit and the control terminal of the relay. A power supply circuit characterized in that a current regulation circuit is inserted to cut off current for a period until the minimum operating voltage of an inverting logic circuit is reached. (2) The power supply circuit according to claim 1, wherein the current regulating circuit includes a transistor connected to a control terminal of the relay and a Zener diode for setting the operating voltage of the transistor. (3) The current regulating circuit includes a transistor whose collector is connected to the control terminal of the relay and whose emitter is grounded, and a Zener whose cathode is connected to the base of the transistor and whose anode is connected to the control power supply line. 3. The power supply circuit according to claim 2, which is a registered utility model and comprises a diode and a diode whose anode is connected to the cathode of the Zener diode and whose cathode is connected to the output terminal of the inverting logic circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15026987U JPS6454735U (en) | 1987-09-30 | 1987-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15026987U JPS6454735U (en) | 1987-09-30 | 1987-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6454735U true JPS6454735U (en) | 1989-04-04 |
Family
ID=31423262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15026987U Pending JPS6454735U (en) | 1987-09-30 | 1987-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6454735U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06335157A (en) * | 1993-05-24 | 1994-12-02 | Nec Corp | Protective circuit |
-
1987
- 1987-09-30 JP JP15026987U patent/JPS6454735U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06335157A (en) * | 1993-05-24 | 1994-12-02 | Nec Corp | Protective circuit |