JPH01150439U - - Google Patents
Info
- Publication number
- JPH01150439U JPH01150439U JP4475988U JP4475988U JPH01150439U JP H01150439 U JPH01150439 U JP H01150439U JP 4475988 U JP4475988 U JP 4475988U JP 4475988 U JP4475988 U JP 4475988U JP H01150439 U JPH01150439 U JP H01150439U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- power
- current
- power source
- control command
- 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 2
Landscapes
- Direct Current Feeding And Distribution (AREA)
- Emergency Protection Circuit Devices (AREA)
Description
第１図はこの考案に係る電源逆接続保護回路の
一実施例を示す回路図、第２図は従来の電源逆接
続保護回路の構成を示す回路図である。
１０…直流電源、１１…（＋）接続端子、１２
…（−）接続端子、１３…ＤＣ―ＤＣコンバータ
、１４…ブレーカ、１５…逆電流素子用ダイオー
ド、１６，１７…電源逆接続保護回路、１８…ノ
ーヒユーズブレーカ、２０…電流感動素子。
FIG. 1 is a circuit diagram showing an embodiment of the power supply reverse connection protection circuit according to this invention, and FIG. 2 is a circuit diagram showing the configuration of a conventional power supply reverse connection protection circuit. 10...DC power supply, 11...(+) connection terminal, 12
... (-) connection terminal, 13... DC-DC converter, 14... breaker, 15... diode for reverse current element, 16, 17... power supply reverse connection protection circuit, 18... no fuse breaker, 20... current sensing element.
Claims (1)
き一対の電源ラインの少なくともどちらか一方を
切離して電源回路を保護する電源逆接続保護回路
において、前記一対の電源ラインの少なくともど
ちらか一方に介在され制御指令に応じて電源ライ
ンを開閉するスイツチ素子と、前記一対の電源ラ
イン間に接続され前記直流電源が正常接続された
とき電流を遮断し逆接続されたとき電流を流すダ
イオードと、このダイオードに流れる電流に感動
して前記スイツチ素子に電源ラインを開とするよ
う制御指令を与える電流感動素子とを具備する電
源逆接続保護回路。 In a power supply reverse connection protection circuit that protects the power supply circuit by disconnecting at least one of a pair of power supply lines when a DC power supply is reversely connected to a DC input power supply circuit, a switch element that opens and closes the power line according to a control command; a diode that is connected between the pair of power lines and cuts off current when the DC power source is connected normally; and conducts current when the DC power source is reversely connected; A power source reverse connection protection circuit comprising a current sensitive element that is sensitive to a flowing current and gives a control command to the switch element to open a power line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4475988U JPH01150439U (en) | 1988-04-04 | 1988-04-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4475988U JPH01150439U (en) | 1988-04-04 | 1988-04-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01150439U true JPH01150439U (en) | 1989-10-18 |
Family
ID=31271108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4475988U Pending JPH01150439U (en) | 1988-04-04 | 1988-04-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01150439U (en) |
-
1988
- 1988-04-04 JP JP4475988U patent/JPH01150439U/ja active Pending