JPH0281476U - - Google Patents
Info
- Publication number
- JPH0281476U JPH0281476U JP16101388U JP16101388U JPH0281476U JP H0281476 U JPH0281476 U JP H0281476U JP 16101388 U JP16101388 U JP 16101388U JP 16101388 U JP16101388 U JP 16101388U JP H0281476 U JPH0281476 U JP H0281476U
- Authority
- JP
- Japan
- Prior art keywords
- detection
- voltage
- resistor
- resistors
- divided
- 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 27
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Voltage And Current In General (AREA)
- Measurement Of Current Or Voltage (AREA)
Description
第１図、第２図は本考案の電流検出装置の実施
例を示す回路構成図、第３図、第４図は従来の電
流検出装置の回路構成図である。
１１，１２……第１、第２のパワー素子、１５
……電圧検出回路、Ｒ１……第１の検出抵抗、Ｒ
２……第２の検出抵抗、Ｒ３〜Ｒ７……抵抗。
1 and 2 are circuit configuration diagrams showing an embodiment of the current detection device of the present invention, and FIGS. 3 and 4 are circuit configuration diagrams of a conventional current detection device. 11, 12...first and second power elements, 15
... Voltage detection circuit, R 1 ... First detection resistor, R
2 ...Second detection resistor, R3 to R7 ...Resistor.
Claims (1)
のパワー素子に流れる電流が和となる位置に第１
の検出抵抗を接続し、上記いずれか一方のパワー
素子に流れる電流を検出する第２の検出抵抗を設
け、この第１、第２の検出抵抗の接続点を基準と
し第１、第２の検出抵抗の電圧を印加される検出
回路を設けた電流検出装置。 (2) 第１の検出抵抗の電圧を２つの抵抗で分圧
して検出回路の負電圧検出端子に、第２の検出抵
抗の電圧を１つの抵抗を介して負電圧検出端子に
接続するとともに２つの抵抗で分圧して正電圧検
出端子に接続した請求項(1)記載の電流検出装置
。 (3) 第１の検出抵抗の電圧を２つの抵抗で分圧
して検出回路の正電圧検出端子に、第２の検出抵
抗の電圧を１つの抵抗を介して正電圧検出端子に
接続するとともに２つの抵抗で分圧して負電圧検
出端子に接続した請求項(1)記載の電流検出装置
。[Claims for Utility Model Registration] (1) A first power device and a second power device are provided, and the first power device is located at a position where the current flowing through the two power devices is the sum.
A second detection resistor is connected to the detection resistor, and a second detection resistor is provided to detect the current flowing through one of the power elements, and the first and second detection are performed using the connection point of the first and second detection resistors as a reference. A current detection device equipped with a detection circuit to which a resistor voltage is applied. (2) The voltage of the first detection resistor is divided by two resistors and connected to the negative voltage detection terminal of the detection circuit, and the voltage of the second detection resistor is connected to the negative voltage detection terminal of the detection circuit via one resistor. 2. The current detection device according to claim 1, wherein the voltage is divided by two resistors and connected to the positive voltage detection terminal. (3) The voltage of the first detection resistor is divided by two resistors and connected to the positive voltage detection terminal of the detection circuit, and the voltage of the second detection resistor is connected to the positive voltage detection terminal via one resistor. 2. The current detection device according to claim 1, wherein the voltage is divided by two resistors and connected to the negative voltage detection terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16101388U JPH0281476U (en) | 1988-12-12 | 1988-12-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16101388U JPH0281476U (en) | 1988-12-12 | 1988-12-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0281476U true JPH0281476U (en) | 1990-06-22 |
Family
ID=31443586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16101388U Pending JPH0281476U (en) | 1988-12-12 | 1988-12-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0281476U (en) |
-
1988
- 1988-12-12 JP JP16101388U patent/JPH0281476U/ja active Pending
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