KR970008810A - Power supply circuit - Google Patents
Power supply circuit Download PDFInfo
- Publication number
- KR970008810A KR970008810A KR1019950021052A KR19950021052A KR970008810A KR 970008810 A KR970008810 A KR 970008810A KR 1019950021052 A KR1019950021052 A KR 1019950021052A KR 19950021052 A KR19950021052 A KR 19950021052A KR 970008810 A KR970008810 A KR 970008810A
- Authority
- KR
- South Korea
- Prior art keywords
- power supply
- control signal
- power
- auxiliary power
- switching
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
1. 청구범위에 기재된 발명이 속한 기술분야1. TECHNICAL FIELD OF THE INVENTION
전원 공급 회로.Power supply circuit.
2. 발명이 해결하려고 하는 기술적 과제2. The technical problem to be solved by the invention
보조전원공급부를 사용하는 기기에서 보조전원공급부의 과방전이 방지되도록 상기 보조전원공급부를 차단할시 발생되는 허전압에 의해 전원의 공급 및 차단을 제거하는 전원 공급 회로를 제공한다.In order to prevent overdischarge of the auxiliary power supply unit in a device using the auxiliary power supply unit, a power supply circuit is provided to remove power supply and interruption by a shunt voltage generated when the auxiliary power supply unit is blocked.
3. 발명의 해결 방법의 요지3. Summary of the Solution of the Invention
전원 공급 회로는 주전원을 발생하는 주전원공급부와, 보조전원을 발생하는 보조전원공급부와, 전압검출부를 구비하고, 상기 주전원과 상기 보조전원을 입력하며, 상기 전압검출부의 설정전압보다 낮은 상기 주전원이 입력될시 스위칭되어 상기 보조전원을 출력하며, 상기 출력전원이 있을시 제2제어신호를 발생하는 전원스위칭부와, 상기 출력전원을 입력하여 동작하며, 상기 출력전원의 정상동작범위이내에서 제1제어신호를 발생하며, 상기 정상동작범위를 벗어날시 상기 제1제어신호를 오프시키는 제어부와, 초기화부를 구비하고, 상기 보조전원을 입력하며, 초기 보조전원 입력시 상기 초기화부에 의해 스위칭되어 제3제어신호를 발생하고, 초기화동작수행 후 상기 제3제어신호를 오프시키는 초기구동부, 상기 보조전원을입력하며, 상기 제1제어신호의 전위레벨과 상기 제2제어신호 혹은 상기 제3제어신호의 전위레벨의 차가 발생될시 상기 보조전원을 상기 전원스위칭부로 출력하는 스위칭부로 구성한다.The power supply circuit includes a main power supply for generating a main power, a sub power supply for generating a sub power, and a voltage detector, inputs the main power and the sub power, and inputs the main power lower than a set voltage of the voltage detection part. A power switching unit for switching and outputting the auxiliary power and generating a second control signal when the output power is present, and operating the input power, the first control being within the normal operating range of the output power. A control unit for generating a signal and turning off the first control signal when the signal is out of the normal operating range, and an initializing unit, inputting the auxiliary power, and switching by the initializing unit when the initial auxiliary power is input; An initial driver for generating a signal, turning off the third control signal after performing an initialization operation, and inputting the auxiliary power supply; When the difference is generated in the arc potential level and the potential level of the second control signal or the third control signal is composed of a switch for outputting the second power supply parts of the switching.
4. 발명의 중요한 용도4. Important uses of the invention
전원을 공급함에 있어 발생되는 허전압이 공급됨을 방지함에 있다.This is to prevent the supply of the sloppy voltage generated in supplying power.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
제1도는 종래의 전원 공급 회로를 도시한 도면, 제2도는 본 발명의 바람직한 실시예에 따라 전원 공급 회로를 도시한 도면.1 shows a conventional power supply circuit, and FIG. 2 shows a power supply circuit according to a preferred embodiment of the present invention.
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950021052A KR0149260B1 (en) | 1995-07-18 | 1995-07-18 | Power supply circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950021052A KR0149260B1 (en) | 1995-07-18 | 1995-07-18 | Power supply circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970008810A true KR970008810A (en) | 1997-02-24 |
KR0149260B1 KR0149260B1 (en) | 1998-12-15 |
Family
ID=19420818
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950021052A KR0149260B1 (en) | 1995-07-18 | 1995-07-18 | Power supply circuit |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0149260B1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102368973B1 (en) * | 2020-04-27 | 2022-03-03 | 한국항공우주산업 주식회사 | Battery status checking method, Discharge device use Battery status checking method |
-
1995
- 1995-07-18 KR KR1019950021052A patent/KR0149260B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR0149260B1 (en) | 1998-12-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100286509B1 (en) | Control Electrode Disable Circuit for Power Transistors | |
KR960032836A (en) | Reverse battery protection circuit | |
KR900001248A (en) | Fault detection and protection device in power supply | |
KR910010861A (en) | Switching device | |
KR910010850A (en) | Current detection circuit in MOS type power transistor | |
KR970705868A (en) | Output circuit and an electronic device using the same (output circuit and electronic device using the circuit) | |
KR950016025A (en) | Power Supply Control for Receiver | |
KR970008810A (en) | Power supply circuit | |
KR930020978A (en) | Power switch circuit | |
KR100573994B1 (en) | Voltage control apparatus for vehicle generator | |
KR960036231A (en) | Overcurrent protection circuit and overvoltage protection circuit | |
KR100254440B1 (en) | A driving device of solenoid valve | |
JPH11307850A (en) | Semiconductor laser driving device | |
KR200176401Y1 (en) | Circuit of preventing rush current of capacitor | |
KR100206141B1 (en) | A load detector for decreasing power-loss | |
KR20010023993A (en) | Method and device for controlling an integrated power amplifier stage | |
KR940008906B1 (en) | Power supply | |
KR940027274A (en) | Overcurrent Protection Circuit of Power Supply | |
KR0122324Y1 (en) | Power switching apparatus for traffic signal controller | |
KR970028238A (en) | Malfunction prevention device of fan heater electric pump | |
KR950024210A (en) | Internal power supply voltage generation circuit of semiconductor memory device and method thereof | |
JPH08148941A (en) | Muting device | |
JPH06237541A (en) | Switch-closing detection circuit | |
KR100257392B1 (en) | Hold function type piezoelectric elevator switch. | |
KR910002765Y1 (en) | Power circuit |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20130603 Year of fee payment: 16 |
|
FPAY | Annual fee payment |
Payment date: 20140530 Year of fee payment: 17 |
|
EXPY | Expiration of term |