JPS59124367U - Constant voltage DC power supply - Google Patents
Constant voltage DC power supplyInfo
- Publication number
- JPS59124367U JPS59124367U JP1814783U JP1814783U JPS59124367U JP S59124367 U JPS59124367 U JP S59124367U JP 1814783 U JP1814783 U JP 1814783U JP 1814783 U JP1814783 U JP 1814783U JP S59124367 U JPS59124367 U JP S59124367U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- output voltage
- power supply
- constant voltage
- signal
- 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)
- Control Of Voltage And Current In General (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図は本考案の一実施例の正面図、第2図はその実施
例のブロック図である。
1・・・・・・パネル面、2・・・・・・過大電圧表示
用発光ダイオード、3・・・・・・適正電圧表示用発光
ダイオード、4・・・・・・過少表示用発光ダイオード
、5・・・・・・電圧調整器、101・・・・・・出力
電圧ライン、102・・・・・・適正電圧と同じ電圧を
生ずる基準電圧発生器、103・・・・・・電圧比較器
、104・・・・・・過大電圧検出出力、105・・・
・・・適正電圧検出出力、106・・・・・・過少電圧
検出出力、107,108,199・・・・・・発光ダ
イオード駆動用ドライバ、113,114゜115・・
・・・・発光ダイオード電流制限抵抗器、116・・・
・・・発光ダイオード点灯用電源電圧ライン。FIG. 1 is a front view of an embodiment of the present invention, and FIG. 2 is a block diagram of the embodiment. 1... Panel surface, 2... Light emitting diode for displaying excessive voltage, 3... Light emitting diode for displaying appropriate voltage, 4... Light emitting diode for displaying undervoltage. , 5... Voltage regulator, 101... Output voltage line, 102... Reference voltage generator that produces the same voltage as the appropriate voltage, 103... Voltage Comparator, 104... Overvoltage detection output, 105...
... Appropriate voltage detection output, 106 ... Undervoltage detection output, 107, 108, 199 ... Light-emitting diode drive driver, 113, 114° 115 ...
...Light-emitting diode current limiting resistor, 116...
...Power supply voltage line for lighting the light emitting diode.
Claims (1)
る回路と、出力電圧と前記基準直流電圧とを比較し、前
記出力電圧が、前記適正出力電圧近傍の所定範囲にある
ときは第1の信号を、前記所定範囲を越えるときは第2
の信号を、前記所定範囲に満たないときは第3の信号を
それぞれ出力する電圧比較回路と、互いに発光色が異な
る第1〜第3の発光素子と、前記第1〜第3の信号に応
じて前記第1〜第3の発光素子をそれぞれ発光させる回
路とを備える定電圧直流電源装置。A circuit that generates a reference DC voltage equal to a predetermined appropriate output voltage compares the output voltage with the reference DC voltage, and when the output voltage is within a predetermined range near the appropriate output voltage, a first signal is generated. , when exceeding the predetermined range, the second
a voltage comparator circuit that outputs a third signal when the signal does not fall within the predetermined range; first to third light emitting elements that emit light in different colors; and a circuit for causing each of the first to third light emitting elements to emit light.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1814783U JPS59124367U (en) | 1983-02-10 | 1983-02-10 | Constant voltage DC power supply |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1814783U JPS59124367U (en) | 1983-02-10 | 1983-02-10 | Constant voltage DC power supply |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS59124367U true JPS59124367U (en) | 1984-08-21 |
Family
ID=30149356
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1814783U Pending JPS59124367U (en) | 1983-02-10 | 1983-02-10 | Constant voltage DC power supply |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59124367U (en) |
-
1983
- 1983-02-10 JP JP1814783U patent/JPS59124367U/en active Pending
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