JPS61165046U - - Google Patents
Info
- Publication number
- JPS61165046U JPS61165046U JP4860685U JP4860685U JPS61165046U JP S61165046 U JPS61165046 U JP S61165046U JP 4860685 U JP4860685 U JP 4860685U JP 4860685 U JP4860685 U JP 4860685U JP S61165046 U JPS61165046 U JP S61165046U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- circuit
- detection circuit
- overvoltage
- voltage
- 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 10
- 230000005856 abnormality Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Rectifiers (AREA)
Description
添付図は本考案の一実施例を説明するための図
であつて、第１図は直流電源異常検出回路図、第
２図は第１図の回路動作を説明するためのタイム
チヤートである。
１…直流電源、２…直流回路、３…タイマーリ
レー、４，１１，１７…リレー、５…過電圧検出
回路、６…ツエナーダイオード、７，１２，１３
，１４，１５，１８，１９…抵抗、８…コンデン
サ、９…サイリスタ、１０，１６…発光ダイオー
ド、２０…低電圧検出回路。
The attached drawings are diagrams for explaining one embodiment of the present invention, in which FIG. 1 is a DC power supply abnormality detection circuit diagram, and FIG. 2 is a time chart for explaining the operation of the circuit shown in FIG. 1. 1... DC power supply, 2... DC circuit, 3... Timer relay, 4, 11, 17... Relay, 5... Overvoltage detection circuit, 6... Zener diode, 7, 12, 13
, 14, 15, 18, 19... Resistor, 8... Capacitor, 9... Thyristor, 10, 16... Light emitting diode, 20... Low voltage detection circuit.
Claims (1)
検出回路であつて、該直流電源の出力端子間に、
過電圧を検出し、その旨を表示する手段と、過電
圧検出信号を出力するリレー回路とから成る過電
圧検出回路を設けると共に、直流電源の交流電源
端子間に挿入され、該直流電源がオンされてから
立上るまでの時間を電圧不足として検出されない
ように作動するタイマー回路と、該タイマー回路
の接点回路を介し、直流電源電圧の低電圧を検出
し、その旨を表示する手段と、低電圧検出信号を
出力するリレー回路とから成る低電圧検出回路を
設けたことを特徴とする直流電源異常検出回路。 An abnormality detection circuit for a DC power supply that is used by rectifying alternating current into direct current, and between the output terminals of the DC power supply,
An overvoltage detection circuit consisting of a means for detecting overvoltage and displaying it, and a relay circuit for outputting an overvoltage detection signal is provided, and the overvoltage detection circuit is inserted between the AC power terminals of a DC power supply, and after the DC power supply is turned on. A timer circuit that operates so that the time until the voltage rises is not detected as insufficient voltage, a means for detecting a low voltage of the DC power supply voltage through a contact circuit of the timer circuit and displaying the fact, and a low voltage detection signal. A DC power supply abnormality detection circuit comprising a low voltage detection circuit consisting of a relay circuit that outputs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4860685U JPS61165046U (en) | 1985-04-03 | 1985-04-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4860685U JPS61165046U (en) | 1985-04-03 | 1985-04-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61165046U true JPS61165046U (en) | 1986-10-13 |
Family
ID=30565023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4860685U Pending JPS61165046U (en) | 1985-04-03 | 1985-04-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61165046U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02106123A (en) * | 1988-10-13 | 1990-04-18 | Toshiba Corp | Service interruption detector |
-
1985
- 1985-04-03 JP JP4860685U patent/JPS61165046U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02106123A (en) * | 1988-10-13 | 1990-04-18 | Toshiba Corp | Service interruption detector |
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