JPS61185233U - - Google Patents
Info
- Publication number
- JPS61185233U JPS61185233U JP6650485U JP6650485U JPS61185233U JP S61185233 U JPS61185233 U JP S61185233U JP 6650485 U JP6650485 U JP 6650485U JP 6650485 U JP6650485 U JP 6650485U JP S61185233 U JPS61185233 U JP S61185233U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- absence
- detects
- threshold value
- driven
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図は従来の電源出力トランジスタの負荷短
絡時の検出回路図、第２図は本考案の一実施例の
回路図である。
１……出力トランジスタ、３……機器、４……
負荷、６……コンデンサ、８……スイツチングト
ランス、９……整流回路、１０……ドライブ回路
部、１１……ダイオード、１２……コンデンサ、
１３……抵抗、１４……抵抗、１６……ダイオー
ド、２０……整流回路、２１……リレースイツチ
、２２……短絡検出回路、２４……トランジスタ
。
FIG. 1 is a circuit diagram of a conventional power supply output transistor for detecting a load short circuit, and FIG. 2 is a circuit diagram of an embodiment of the present invention. 1... Output transistor, 3... Equipment, 4...
Load, 6... Capacitor, 8... Switching transformer, 9... Rectifier circuit, 10... Drive circuit section, 11... Diode, 12... Capacitor,
13... Resistor, 14... Resistor, 16... Diode, 20... Rectifier circuit, 21... Relay switch, 22... Short circuit detection circuit, 24... Transistor.
Claims (1)
の有無のみを検出する回路で構成され、その出力
部が電源出力トランジスタ等の駆動制御部に内蔵
される保護装置をしきい値を有する回路を介さず
に駆動することを特徴とする負荷短絡検出回路。 It consists of a circuit that detects only the ON/OFF state of the device and the presence or absence of the output voltage of the device, and its output section connects a protection device built into the drive control section such as a power output transistor through a circuit with a threshold value. A load short-circuit detection circuit characterized by being driven without any problem.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6650485U JPS61185233U (en) | 1985-05-07 | 1985-05-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6650485U JPS61185233U (en) | 1985-05-07 | 1985-05-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61185233U true JPS61185233U (en) | 1986-11-19 |
Family
ID=30599471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6650485U Pending JPS61185233U (en) | 1985-05-07 | 1985-05-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61185233U (en) |
-
1985
- 1985-05-07 JP JP6650485U patent/JPS61185233U/ja active Pending