JPS6082274U - Load current measurement circuit for voltage generator - Google Patents
Load current measurement circuit for voltage generatorInfo
- Publication number
- JPS6082274U JPS6082274U JP17412883U JP17412883U JPS6082274U JP S6082274 U JPS6082274 U JP S6082274U JP 17412883 U JP17412883 U JP 17412883U JP 17412883 U JP17412883 U JP 17412883U JP S6082274 U JPS6082274 U JP S6082274U
- Authority
- JP
- Japan
- Prior art keywords
- load current
- current detection
- voltage generator
- detection resistor
- digital
- 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
- Measurement Of Current Or Voltage (AREA)
- 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図は従来の電圧発生装置の負荷電流測定回路を示す
回路図、第２図及び第３図はこの考案による電圧発生装
置の負荷電流測定回路を示す回路図である。
ｌｌ：ＤＡ変換器、１２：設定器、１３：可変電圧源、
１４，２２，２３．２４．２５：抵抗器、１６：電流検
出用抵抗器、１７：帰還用抵抗器、１５，２１．２６：
演算増幅器、１８：出力端子、１９：負荷、２７：差分
増幅回路、２８：節度換器、３１．３３：スイッチ、３
２：基準抵抗器、３４：制御回路′、３５：演算回路。FIG. 1 is a circuit diagram showing a load current measuring circuit of a conventional voltage generating device, and FIGS. 2 and 3 are circuit diagrams showing a load current measuring circuit of a voltage generating device according to this invention. ll: DA converter, 12: setting device, 13: variable voltage source,
14, 22, 23.24.25: Resistor, 16: Current detection resistor, 17: Feedback resistor, 15, 21.26:
Operational amplifier, 18: Output terminal, 19: Load, 27: Differential amplifier circuit, 28: Moderation converter, 31.33: Switch, 3
2: Reference resistor, 34: Control circuit', 35: Arithmetic circuit.
Claims (1)
て、 Ａ 電流検出用抵抗器と、 Ｂ 基準抵抗器と、 Ｃ該基準抵抗器と上記電流検出用抵抗器の接続点に接続
された第１のスイッチと、 Ｄ 負荷が接続される出力端子と、 Ｅ 該出力端子と上記電流検出用抵抗器の接続点に接続
された第２のスイッチと、 Ｆ 上記電流検出用抵抗器の両端の電圧を入力する差分
増幅回路と、 Ｇ 該差分増幅回路の出力電圧をデジタル信号に変喚す
るアナログ・デジタル変換器と、Ｈ負荷電流を求める演
算手段と、 ■ 上記２個のスイッチの接部と、上記デジタル・アナ
ログ変換器に対する電圧の設定と、上記演算手段とを制
御する制御手段と、からなることを特徴とする負荷電流
測定装置。[Claims for Utility Model Registration] In a voltage generator equipped with a digital-to-analog converter, A. a current detection resistor; B. a reference resistor; and C. a connection point between the reference resistor and the current detection resistor. D: an output terminal to which a load is connected; E: a second switch connected to a connection point between the output terminal and the current detection resistor; F: the current detection resistor. (G) a differential amplifier circuit that inputs the voltage at both ends of the device; (G) an analog-to-digital converter that converts the output voltage of the differential amplifier circuit into a digital signal; (H) a calculation means for determining the load current; (2) the above two switches; A load current measuring device comprising: a contact portion; a control means for controlling the voltage setting for the digital-to-analog converter; and the arithmetic means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17412883U JPS6082274U (en) | 1983-11-09 | 1983-11-09 | Load current measurement circuit for voltage generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17412883U JPS6082274U (en) | 1983-11-09 | 1983-11-09 | Load current measurement circuit for voltage generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6082274U true JPS6082274U (en) | 1985-06-07 |
Family
ID=30379159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17412883U Pending JPS6082274U (en) | 1983-11-09 | 1983-11-09 | Load current measurement circuit for voltage generator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6082274U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008250650A (en) * | 2007-03-30 | 2008-10-16 | Yokogawa Electric Corp | Voltage generation device |
-
1983
- 1983-11-09 JP JP17412883U patent/JPS6082274U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008250650A (en) * | 2007-03-30 | 2008-10-16 | Yokogawa Electric Corp | Voltage generation device |
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