JPH01160372U - - Google Patents
Info
- Publication number
- JPH01160372U JPH01160372U JP5698388U JP5698388U JPH01160372U JP H01160372 U JPH01160372 U JP H01160372U JP 5698388 U JP5698388 U JP 5698388U JP 5698388 U JP5698388 U JP 5698388U JP H01160372 U JPH01160372 U JP H01160372U
- Authority
- JP
- Japan
- Prior art keywords
- pulse current
- measured
- current
- detection circuit
- outputs
- 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 4
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Measurement Of Current Or Voltage (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図はその実施例の各部信号を示す波形図、第３図
は従来の電流検出回路の一例を示す回路図、第４
図は第３図の回路の各部信号を示す波形図、第５
図は従来の電流検出回路の別の例を示す回路図で
ある。
１……パルス電源、２……負荷、３，３′……
トランス入力端、４……トランス、５……ダイオ
ードリング、６……トランス、７，７′……トラ
ンスの出力端、８……発振器、９……復調器、１
０，１０′……出力端、１１……変流器、１２，
１２′……変流器出力端、１３……抵抗器、１４
……抵抗器、１５……直流電源、１６……ホトカ
プラ、１７……抵抗器、１８……出力端。
Figure 1 is a circuit diagram showing one embodiment of the present invention;
The figure is a waveform diagram showing various signals of the embodiment, FIG. 3 is a circuit diagram showing an example of a conventional current detection circuit, and FIG.
The figure is a waveform diagram showing the signals of each part of the circuit in Figure 3.
The figure is a circuit diagram showing another example of a conventional current detection circuit. 1... Pulse power supply, 2... Load, 3, 3'...
Transformer input end, 4...Transformer, 5...Diode ring, 6...Transformer, 7,7'...Transformer output end, 8...Oscillator, 9...Demodulator, 1
0,10'...Output end, 11...Current transformer, 12,
12'...Current transformer output end, 13...Resistor, 14
...Resistor, 15...DC power supply, 16...Photocoupler, 17...Resistor, 18...Output terminal.
Claims (1)
、該入力端とは直流的に絶縁された出力端に前記
被測定パルス電流に比例したパルス電流を出力す
る電流検出回路において、前記被測定パルス電流
で変調された高周波変調信号を生成する平衡変調
器と、該高周波変調信号から前記被測定パルス電
流を復調し前記出力パルス電流として前記出力端
に出力する復調器とからなることを特徴とする電
流検出回路。 In a current detection circuit that receives a pulse current to be measured of a circuit under test at an input end and outputs a pulse current proportional to the pulse current to be measured to an output end that is DC-insulated from the input end, the pulse current to be measured is It is characterized by comprising a balanced modulator that generates a high frequency modulation signal modulated by current, and a demodulator that demodulates the pulse current to be measured from the high frequency modulation signal and outputs it to the output end as the output pulse current. Current detection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5698388U JPH01160372U (en) | 1988-04-27 | 1988-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5698388U JPH01160372U (en) | 1988-04-27 | 1988-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01160372U true JPH01160372U (en) | 1989-11-07 |
Family
ID=31282839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5698388U Pending JPH01160372U (en) | 1988-04-27 | 1988-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01160372U (en) |
-
1988
- 1988-04-27 JP JP5698388U patent/JPH01160372U/ja active Pending