JPS6082275U - power detection circuit - Google Patents
power detection circuitInfo
- Publication number
- JPS6082275U JPS6082275U JP17440583U JP17440583U JPS6082275U JP S6082275 U JPS6082275 U JP S6082275U JP 17440583 U JP17440583 U JP 17440583U JP 17440583 U JP17440583 U JP 17440583U JP S6082275 U JPS6082275 U JP S6082275U
- Authority
- JP
- Japan
- Prior art keywords
- power detection
- detection circuit
- current
- circuit
- mutually insulated
- 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
- Emergency Protection Circuit Devices (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図は複数の絶縁された信号を検出する従来例を示す
回路図であり、第２図は本考案の実施例を示す回路図、
第３図は本考案の第２の実施例を示す回路図である。
１・・・単相交流回路、２・・・計器用変圧器、３・・
・定電圧電源、４・・・積分器、５・・・基準電源、６
・・・比較器、１６．２１．３１・・・変流器、１２．
２２． ３２・・・入力抵抗、１３・・・開閉器、１３
Ａ、１３Ｂ・・・開閉器入力接点、１４，２４，３４・
・・検出抵抗、１５．２５，３５・・・フィルタ、１６
，２６，３６・・・増幅器、１７・・・電圧・周波数変
換器、１８・・・絶縁トランス、１９・・・周波数・電
圧変換器、２３゜３３・・・接点開閉器、３０．４０・
・・出力端子、４１．４３・・・無接点開閉器、４２・
・・絶縁回路。FIG. 1 is a circuit diagram showing a conventional example of detecting a plurality of isolated signals, and FIG. 2 is a circuit diagram showing an embodiment of the present invention.
FIG. 3 is a circuit diagram showing a second embodiment of the present invention. 1...Single-phase AC circuit, 2...Instrument transformer, 3...
・Constant voltage power supply, 4... Integrator, 5... Reference power supply, 6
... Comparator, 16.21.31 ... Current transformer, 12.
22. 32... Input resistance, 13... Switch, 13
A, 13B... Switch input contact, 14, 24, 34.
...Detection resistor, 15.25,35...Filter, 16
, 26, 36... Amplifier, 17... Voltage/frequency converter, 18... Isolation transformer, 19... Frequency/voltage converter, 23° 33... Contact switch, 30.40.
...output terminal, 41.43...non-contact switch, 42.
...Insulated circuit.
Claims (1)
力するパルス幅変調回路と、前記電気回路の電流を別個
に検出する相互に絶縁された複数の電流検出器と、該電
流検出器で得られる電流信号を前記パルス列に従ってオ
ン・オフするようなされている相互に絶縁された複数の
開閉器と、当該開閉器が出力する断続信号を別個に平滑
された直流電圧にする複数の直流増幅器とを備えてなる
電力検出回路。a pulse width modulation circuit that outputs a pulse train signal with a pulse width corresponding to the voltage of the electric circuit; a plurality of mutually insulated current detectors that separately detect the current of the electric circuit; A plurality of mutually insulated switches configured to turn the current signal on and off according to the pulse train, and a plurality of DC amplifiers converting the intermittent signals outputted by the switches into separately smoothed DC voltages. Power detection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17440583U JPS6082275U (en) | 1983-11-11 | 1983-11-11 | power detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17440583U JPS6082275U (en) | 1983-11-11 | 1983-11-11 | power detection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6082275U true JPS6082275U (en) | 1985-06-07 |
Family
ID=30379692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17440583U Pending JPS6082275U (en) | 1983-11-11 | 1983-11-11 | power detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6082275U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8882018B2 (en) | 2011-12-19 | 2014-11-11 | Sidergas Spa | Retainer for welding wire container and welding wire container with retainer |
-
1983
- 1983-11-11 JP JP17440583U patent/JPS6082275U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8882018B2 (en) | 2011-12-19 | 2014-11-11 | Sidergas Spa | Retainer for welding wire container and welding wire container with retainer |
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