JPH031637U - - Google Patents
Info
- Publication number
- JPH031637U JPH031637U JP6051489U JP6051489U JPH031637U JP H031637 U JPH031637 U JP H031637U JP 6051489 U JP6051489 U JP 6051489U JP 6051489 U JP6051489 U JP 6051489U JP H031637 U JPH031637 U JP H031637U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- inrush current
- current
- relay
- protection 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
- 238000004804 winding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
Description
第１図は本考案による突入電流保護回路の第１
実施例を示す回路図、第２図は本考案による突入
電流保護回路の第２実施例を示す回路図、第３図
は従来の突入電流保護回路を示す回路図である。
ＳＷ１……電源スイツチ、Ｒ１……第１の抵抗
（突入電流制限抵抗）、Ｄ１〜Ｄ４……全波整流
ダイオード、Ｃ１……平滑コンデンサ、ＲＬ１…
…リレー、Ｒ２……第２の抵抗、ＩＣ１……１１
０Ｖのレギユレータ、Ｔ１……フライバツクトラ
ンス。
Figure 1 shows the first inrush current protection circuit according to the present invention.
FIG. 2 is a circuit diagram showing a second embodiment of the inrush current protection circuit according to the present invention, and FIG. 3 is a circuit diagram showing a conventional inrush current protection circuit. SW1...power switch, R1...first resistor (rush current limiting resistor), D1-D4...full wave rectifier diode, C1...smoothing capacitor, RL1...
...Relay, R2...Second resistor, IC1...11
0V regulator, T1...Flyback transformer.
Claims (1)
第１の抵抗に対して並列的に接続されたリレーと
、前記第１の抵抗に対して並列的に接続されてリ
レーを介してアースに接地された第２の抵抗とを
具備し、前記リレーは前記第２の抵抗に突入電流
が制限された電流が流れることにより第１の抵抗
をスルーする電流経路を形成するものであること
を特徴とする突入電流保護回路。 (2) 電源投入時における突入電流を制限する抵
抗に対して、メイク接点を並列接続し、この接点
を駆動する巻き線を、前記抵抗を経て得た電流に
より励磁してなることを特徴とする突入電流保護
回路。[Claims for Utility Model Registration] (1) A relay connected in parallel to a first resistor to which a power supply current is input and which limits inrush current; and a relay connected in parallel to the first resistor. and a second resistor that is connected to the ground via the relay, and the relay has a current path that passes through the first resistor by allowing a current with a limited inrush current to flow through the second resistor. 1. An inrush current protection circuit characterized by forming an inrush current protection circuit. (2) A make contact is connected in parallel to a resistor that limits inrush current when the power is turned on, and a winding that drives this contact is excited by the current obtained through the resistor. Inrush current protection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6051489U JPH031637U (en) | 1989-05-25 | 1989-05-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6051489U JPH031637U (en) | 1989-05-25 | 1989-05-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH031637U true JPH031637U (en) | 1991-01-09 |
Family
ID=31587943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6051489U Pending JPH031637U (en) | 1989-05-25 | 1989-05-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH031637U (en) |
-
1989
- 1989-05-25 JP JP6051489U patent/JPH031637U/ja active Pending