JPS5863616U - constant current power supply - Google Patents
constant current power supplyInfo
- Publication number
- JPS5863616U JPS5863616U JP15604481U JP15604481U JPS5863616U JP S5863616 U JPS5863616 U JP S5863616U JP 15604481 U JP15604481 U JP 15604481U JP 15604481 U JP15604481 U JP 15604481U JP S5863616 U JPS5863616 U JP S5863616U
- Authority
- JP
- Japan
- Prior art keywords
- current
- control element
- voltage
- circuit
- detection circuit
- 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
- Continuous-Control Power Sources That Use Transistors (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
図面はこの考案に係わる定電流電源装置の一実施例を示
す回路構成図である。
１１．１２・・・入力端子、１３．１４・・・出力端子
、１５・・・電流制御素子、Ｉｃ・・・電流検出回路、
Ｖｃ・・・電圧検出回路、Ｄｃ・・・誤差検出回路、Ｃ
ｃ・・・制御回路、Ｃｏｃ・・・比較回路、３−３・・
・乗算器、３９・・・スイッチング用トランジスタ、４
０・・・ホールド回路。The drawing is a circuit configuration diagram showing an embodiment of a constant current power supply device according to the invention. 11.12... Input terminal, 13.14... Output terminal, 15... Current control element, Ic... Current detection circuit,
Vc...voltage detection circuit, Dc...error detection circuit, C
c...control circuit, Coc...comparison circuit, 3-3...
- Multiplier, 39...Switching transistor, 4
0...Hold circuit.
Claims (1)
素子の出力電流を検出し電圧変換する電流検出回路と、
この電圧変換された出力電流と基準電圧とを比較する誤
差検出回路と、この誤差検出出力信号によって前記電流
制御素子を制御する制御回路とよりなる定電流電源装置
において、前記電流制御素子の両端電圧を検出する電圧
検出回路と、この電圧検出回路および前記電流検出回路
の検出出力が供給されこれらより前記電流制御素子の消
費電力を求める乗算回路と、この乗算回路の出力電圧と
前記電流制御素子の許容電力に対応する基準電圧とを比
較する比較回路と、この比較により前記消費電力が許容
電力を越えたとき前記制御回路をオフ状態として電流制
御素子を遮断するスイッチング回路とを具備したことを
特徴とする定電流電源装置。A current control element connected in series between input and output terminals, a current detection circuit that detects the output current of this control element and converts it into voltage,
In a constant current power supply device comprising an error detection circuit that compares this voltage-converted output current with a reference voltage, and a control circuit that controls the current control element using this error detection output signal, the voltage across the current control element is a voltage detection circuit that detects the output voltage of the current control element, a multiplier circuit that is supplied with the detection outputs of the voltage detection circuit and the current detection circuit and calculates the power consumption of the current control element from these; A comparison circuit that compares the allowable power with a reference voltage corresponding to the allowable power, and a switching circuit that turns off the control circuit and cuts off the current control element when the power consumption exceeds the allowable power as a result of this comparison. Constant current power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15604481U JPS5863616U (en) | 1981-10-20 | 1981-10-20 | constant current power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15604481U JPS5863616U (en) | 1981-10-20 | 1981-10-20 | constant current power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5863616U true JPS5863616U (en) | 1983-04-28 |
Family
ID=29948597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15604481U Pending JPS5863616U (en) | 1981-10-20 | 1981-10-20 | constant current power supply |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5863616U (en) |
-
1981
- 1981-10-20 JP JP15604481U patent/JPS5863616U/en active Pending
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