JPS58184926U - Electronic switch protection circuit - Google Patents
Electronic switch protection circuitInfo
- Publication number
- JPS58184926U JPS58184926U JP8315882U JP8315882U JPS58184926U JP S58184926 U JPS58184926 U JP S58184926U JP 8315882 U JP8315882 U JP 8315882U JP 8315882 U JP8315882 U JP 8315882U JP S58184926 U JPS58184926 U JP S58184926U
- Authority
- JP
- Japan
- Prior art keywords
- protection circuit
- electronic switch
- resistor
- detection
- detection section
- 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
Landscapes
- Electronic Switches (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案による保護回路を有する電子スイッチの
回路図、第２図ａは商用交流電源の電圧波形図、第２図
す、 ｃ、 ｄは夫々異なる時点で検知部が動作し
た場合の短絡電流波形図を示すもあである。
１．２・・・・・・端子、３・・・・・・定電圧回路、
４・・・・・・検′知部、５・・・・・・トリガ回路、
６・・・・・・商用交流電源、ＳＣＲｌ 、 ＳＣＲ２
・・・・・・サイリスク、Ｄｌ、Ｄ：）。
Ｄ３．Ｄ４・・・・・・ダイオード、Ｒ１，Ｒ２，Ｒ３
゜Ｒ４・・・・・・抵抗、ＤＢ・・・・・・ダイオード
ブリッジ。Figure 1 is a circuit diagram of an electronic switch with a protection circuit according to the present invention, Figure 2a is a voltage waveform diagram of a commercial AC power supply, and Figures 2, c, and d are diagrams of when the detection unit operates at different times. This is a section showing a short circuit current waveform diagram. 1.2...terminal, 3...constant voltage circuit,
4...detection section, 5...trigger circuit,
6...Commercial AC power supply, SCRl, SCR2
...Syrisk, Dl, D:). D3. D4...Diode, R1, R2, R3
゜R4...Resistor, DB...Diode bridge.
Claims (2)
スイッチング素子とを有し、負荷及び電源に直列に接続
されて負荷への電力−を制御する電子スイッチの保護回
路であって、 前記スイッチング素子に直列に接続した電流制限用及び
過電流検出用の抵抗と、 前記検知部の電源入力端子間に設けられ、前記過電流検
出用の抵抗の一端がそのゲートに接続されて過電流時の
電圧降下によりトリガされるサイリスタと、を具備する
こさを特徴とする電子スイッチの保護回路。(1) A protection circuit for an electronic switch that has a detection section and a switching element that opens and closes based on the detection state of the detection section, is connected in series to a load and a power source, and controls power to the load, A resistor for current limiting and overcurrent detection connected in series with the switching element and a power supply input terminal of the detection section, one end of which is connected to the gate of the resistor for overcurrent detection. A protection circuit for an electronic switch characterized by comprising a thyristor that is triggered by a voltage drop during operation.
トを用いた抵抗体であることを特徴とする実用新案登録
請求の範囲第１項記載の電子スイッチの保護回路。(2) The protection circuit for an electronic switch according to claim 1, wherein the current limiting resistor is a resistor using an Ag-Pd conductive paste.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8315882U JPS58184926U (en) | 1982-06-03 | 1982-06-03 | Electronic switch protection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8315882U JPS58184926U (en) | 1982-06-03 | 1982-06-03 | Electronic switch protection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58184926U true JPS58184926U (en) | 1983-12-08 |
Family
ID=30092180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8315882U Pending JPS58184926U (en) | 1982-06-03 | 1982-06-03 | Electronic switch protection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58184926U (en) |
-
1982
- 1982-06-03 JP JP8315882U patent/JPS58184926U/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS59164141U (en) | Piezoelectric actuator drive circuit | |
| JPS58184926U (en) | Electronic switch protection circuit | |
| JPS58184927U (en) | Electronic switch protection circuit | |
| JPS58182448U (en) | Light emitting element drive circuit | |
| JPS5836413U (en) | short circuit protection circuit | |
| JPS59189429U (en) | Inrush current prevention circuit | |
| JPS6057226U (en) | AC 2-wire non-contact switch | |
| JPS6024195U (en) | Inverter device | |
| JPS6193034U (en) | ||
| JPS617290U (en) | Inrush current prevention circuit | |
| JPS6093493U (en) | Switching power supply overcurrent protection circuit | |
| JPS6030515U (en) | Plunger drive circuit | |
| JPS6066125U (en) | electronic switch | |
| JPS58184928U (en) | Electronic switch protection circuit | |
| JPS5975725U (en) | power protection circuit | |
| JPS5910751U (en) | Vacuum cleaner control device | |
| JPS60138387U (en) | power supply | |
| JPS6014684U (en) | switching power supply | |
| JPS58145042U (en) | Overvoltage protection circuit | |
| JPS58129711U (en) | Inverted pulse generation circuit | |
| JPS59138391U (en) | protection device | |
| JPS6090753U (en) | Latching relay drive circuit | |
| JPS60108143U (en) | Power supply that prevents excessive input voltage | |
| JPS58117504U (en) | load control circuit | |
| JPS58165920U (en) | Load operation device |