KR200150622Y1 - 에스엠피에스방식을 채용한전자기기에서의 자동 전원차단장치 - Google Patents
에스엠피에스방식을 채용한전자기기에서의 자동 전원차단장치 Download PDFInfo
- Publication number
- KR200150622Y1 KR200150622Y1 KR2019940020715U KR19940020715U KR200150622Y1 KR 200150622 Y1 KR200150622 Y1 KR 200150622Y1 KR 2019940020715 U KR2019940020715 U KR 2019940020715U KR 19940020715 U KR19940020715 U KR 19940020715U KR 200150622 Y1 KR200150622 Y1 KR 200150622Y1
- Authority
- KR
- South Korea
- Prior art keywords
- power
- signal
- switching
- frequency
- pulse width
- 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.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000009499 grossing Methods 0.000 claims abstract description 9
- 230000010355 oscillation Effects 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
- H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
- H02H7/1213—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for DC-DC converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
- H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
- H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
- H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33507—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
- H02M3/33523—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters with galvanic isolation between input and output of both the power stage and the feedback loop
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
Description
Claims (1)
- 교류전원입력단에서 입력되는 교류전원을 정류 및 평활화하기 위한 정류/평활회로(2)와, 상기 평활화된 직류전원을 인가받아 전압변환하는 트랜스포머(4), 상기 트랜스포머(4)의 1차측에 설치되어 하기의 펄스폭변조(PWM)제어집적회로(6)로부터의 펄스폭변조신호에 따라 상기 트랜스포모(4)의 1차측 코일의 유기 전류량을 스위칭하는 스위칭 트랜지스터(Q1), 입력전압과 부하전압에 따라 상기 스위칭 트랜지스터(Q1)에 펄스폭변조된 스위칭제어신호를 출력하는 PWM제어집적회로(6), 교류전원입력단으로부터의 전원을 공급 및 차단하기 위해 스위칭수단(SW)을 온/오프 제어하기 위한 전원제어부(20)를 구비한 SMPS방식의 전원장치에 있어서, 상기 PWM제어집적회로(6)로부터 스위칭 제어신호를 적분하여 직류레벨로 변환하는 적분부(8)와; 상기 적분부(8)로부터의 직류레벨신호에 따라 다른 주파수발진신호를 출력하는 전압제어발진부(10); 상기 전압제어 발진부(10)의 출력주파수를 카운트하는 주파수카운터(12); 상기 주파수카운터(14)로부터의 카운트신호를 입력받아 그 주파수카운트신호가 일정시간동안 일정하게 유지되는 경우 상기 전원제어부(20)를 제어하여 전원이 차단되도록 하는 마이컴(14)을 더 구비하여 이루어진 것을 특징으로 하는 SMPS방식을 채용한 전자기기에서의 자동 전원차단장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019940020715U KR200150622Y1 (ko) | 1994-08-17 | 1994-08-17 | 에스엠피에스방식을 채용한전자기기에서의 자동 전원차단장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019940020715U KR200150622Y1 (ko) | 1994-08-17 | 1994-08-17 | 에스엠피에스방식을 채용한전자기기에서의 자동 전원차단장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960009405U KR960009405U (ko) | 1996-03-16 |
KR200150622Y1 true KR200150622Y1 (ko) | 1999-07-01 |
Family
ID=19390883
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019940020715U Expired - Lifetime KR200150622Y1 (ko) | 1994-08-17 | 1994-08-17 | 에스엠피에스방식을 채용한전자기기에서의 자동 전원차단장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR200150622Y1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100686122B1 (ko) | 2006-02-13 | 2007-02-26 | 엘지전자 주식회사 | Dc/dc 컨버터의 구동전원 자동차단장치 |
-
1994
- 1994-08-17 KR KR2019940020715U patent/KR200150622Y1/ko not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100686122B1 (ko) | 2006-02-13 | 2007-02-26 | 엘지전자 주식회사 | Dc/dc 컨버터의 구동전원 자동차단장치 |
Also Published As
Publication number | Publication date |
---|---|
KR960009405U (ko) | 1996-03-16 |
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Legal Events
Date | Code | Title | Description |
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UA0108 | Application for utility model registration |
Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19940817 |
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UG1501 | Laying open of application | ||
A201 | Request for examination | ||
UA0201 | Request for examination |
Patent event date: 19970402 Patent event code: UA02012R01D Comment text: Request for Examination of Application Patent event date: 19940817 Patent event code: UA02011R01I Comment text: Application for Utility Model Registration |
|
E701 | Decision to grant or registration of patent right | ||
UE0701 | Decision of registration |
Patent event date: 19990331 Comment text: Decision to Grant Registration Patent event code: UE07011S01D |
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REGI | Registration of establishment | ||
UR0701 | Registration of establishment |
Patent event date: 19990408 Patent event code: UR07011E01D Comment text: Registration of Establishment |
|
UR1002 | Payment of registration fee |
Start annual number: 1 End annual number: 3 Payment date: 19990409 |
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UG1601 | Publication of registration | ||
FPAY | Annual fee payment |
Payment date: 20020329 Year of fee payment: 4 |
|
UR1001 | Payment of annual fee |
Payment date: 20020329 Start annual number: 4 End annual number: 4 |
|
LAPS | Lapse due to unpaid annual fee |