JPH0439036U - - Google Patents
Info
- Publication number
- JPH0439036U JPH0439036U JP8127390U JP8127390U JPH0439036U JP H0439036 U JPH0439036 U JP H0439036U JP 8127390 U JP8127390 U JP 8127390U JP 8127390 U JP8127390 U JP 8127390U JP H0439036 U JPH0439036 U JP H0439036U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- startup
- inrush current
- transistor switch
- switch
- 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
- 230000005856 abnormality Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の一実施例を示す回路構成図、
第２図は従来技術の回路図である。
１……スイツチ、２……ヒユーズ、３……抵抗
器、４……コンデンサ、５……パワーＭＯＳＦＥ
Ｔ、６……変圧器、７，８……ダイオード、９…
…チヨークコイル、１０……コンデンサ、１１…
…パワーＭＯＳＦＥＴ、１２，１３……抵抗器、
１４，１５……ダイオード、１６……コンデンサ
、１７……ダイオード、１８，１９……抵抗器、
２０……トランジスタ、２１，２２……抵抗器、
２３……トランジスタ、２４，２５……抵抗器、
２６……トランジスタ、１１′……リレー、１２
′……リレー１１′のメイク接点、１３′……リ
レー１１′のブレイク接点。
FIG. 1 is a circuit diagram showing an embodiment of the present invention;
FIG. 2 is a circuit diagram of the prior art. 1...Switch, 2...Fuse, 3...Resistor, 4...Capacitor, 5...Power MOSFE
T, 6...Transformer, 7, 8...Diode, 9...
...Chiyoke coil, 10...Capacitor, 11...
...Power MOSFET, 12, 13...Resistor,
14, 15... Diode, 16... Capacitor, 17... Diode, 18, 19... Resistor,
20...transistor, 21,22...resistor,
23...transistor, 24,25...resistor,
26...Transistor, 11'...Relay, 12
'...Make contact of relay 11', 13'...Break contact of relay 11'.
Claims (1)
器と、起動時にこの抵抗器を短絡するパワーＭＯ
ＳＦＥＴスイツチと、異常時に外部へアラーム信
号を送出するトランジスタスイツチを備えること
を特徴とするトランジスタスイツチによる突入電
流制限／アラームシステム。 A resistor that limits the inrush current flowing to the input at startup, and a power MO that shorts this resistor at startup.
An inrush current limiting/alarm system using a transistor switch, characterized by comprising an SFET switch and a transistor switch that sends an alarm signal to the outside in the event of an abnormality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8127390U JPH0439036U (en) | 1990-07-31 | 1990-07-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8127390U JPH0439036U (en) | 1990-07-31 | 1990-07-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0439036U true JPH0439036U (en) | 1992-04-02 |
Family
ID=31627069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8127390U Pending JPH0439036U (en) | 1990-07-31 | 1990-07-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0439036U (en) |
-
1990
- 1990-07-31 JP JP8127390U patent/JPH0439036U/ja active Pending