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KR940012779A - Error detection circuit and method of output voltage in power supply - Google Patents

Error detection circuit and method of output voltage in power supply Download PDF

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Publication number
KR940012779A
KR940012779A KR1019920022934A KR920022934A KR940012779A KR 940012779 A KR940012779 A KR 940012779A KR 1019920022934 A KR1019920022934 A KR 1019920022934A KR 920022934 A KR920022934 A KR 920022934A KR 940012779 A KR940012779 A KR 940012779A
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South Korea
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voltage
level
change amount
output
change
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KR1019920022934A
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Korean (ko)
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KR0176452B1 (en
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김영수
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윤종용
삼성전자 주식회사
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    • 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
    • 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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0003—Details of control, feedback or regulation circuits
    • H02M1/0016—Control circuits providing compensation of output voltage deviations using feedforward of disturbance parameters

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Voltage And Current In General (AREA)
  • Dc-Dc Converters (AREA)

Abstract

본 발명은 전원장치에 있어서 부하변화량에 따른 출력전압의 오차를 검출하기 위한 출력전압의 오차검출회로 및 방법에 관한 것이다. 이를 위하여 인가되는 전원전압에 대하여 적어도 하나 이상의 DC 전압을 출력하고, 전원장치의 출력전압을 조절하기 위하여 부하의 변동에 의해 발생되는 상기 적어도 하나 이상의 DC 전압의 변화량을 피드백하기 위한 위한 피드백수단을 구비한 전원장치의 출력전압의 오차검출회로에 있어서, 상기 하나의 DC 전압에 있어서 상기 부하의 변동에 따른 AC 레벨의 변화량을 검출하기 위한 AC 레벨 변화량 검출수단과, 상기 적어도 하나 이상의 DC 전압에 있어서 상기 부하의 변동에 따른 DC 레벨의 변화량을 검출하기 위한 DC 레벨 변화량 검출수단과, 상기 AC 레벨 변화량 검출수단에서 출력된 AC 레벨 변화량과 상기 DC 레벨 변화량 검출수단에서 출력된 적어도 하나 이상의 DC 레벨 변화량을 소정의 기준레벨과 비교하여 상기 피드백수단으로 인가하기 위한 비교수단으로 구성된다. 따라서 부하에 변도에 상관없이 복수의 출력전압을 일정하게 유지시키는 이점이 있다.The present invention relates to an error detection circuit and a method of an output voltage for detecting an error of an output voltage according to a load change amount in a power supply device. To this end, at least one DC voltage is output with respect to the applied power voltage, and feedback means for feeding back the amount of change in the at least one or more DC voltages generated by a change in load in order to adjust the output voltage of the power supply device is provided. An error detection circuit of an output voltage of one power supply apparatus, comprising: AC level change amount detecting means for detecting an amount of change in an AC level in response to a change in the load in the one DC voltage, and in the at least one or more DC voltages. A DC level change amount detecting means for detecting an amount of change in the DC level according to the load change, and an AC level change amount output from the AC level change amount detecting means and at least one or more DC level change amounts output from the DC level change amount detecting means. Comparison for applying to the feedback means in comparison with a reference level of It consists of a stage. Therefore, there is an advantage of keeping a plurality of output voltages constant regardless of variations in load.

Description

전원장치에 있어서 출력전압의 오차검출회로 및 방법Error detection circuit and method of output voltage in power supply

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제3도는 본 발명에 의한 출력전압의 오차검출회로의 일실시예를 나타낸 전원장치의 블럭도.3 is a block diagram of a power supply device showing an embodiment of an error detection circuit of an output voltage according to the present invention;

Claims (5)

인가되는 전원전압에 대하여 적어도 하나 이상의 DC 전압을 출력하고, 전원장치의 출력전압을 조절하기 위하여 부하의 변동에 의해 발생되는 상기 DC 전압의 변화량을 피드백하기 위한 위한 피드백수단을 구비한 전원장치의 출력전압의 오차검출회로에 있어서; 상기 하나의 DC 전압에 있어서 상기 부하의 변동에 따른 AC 레벨의 변화량을 검출하기 위한 AC 레벨 변화량 검출수단; 상기 적어도 하나 이상의 DC 전압에 있어서 상기 부하의 변동에 따른 DC 레벨의 변화량을 검출하기 위한 DC 레벨 변화량 검출수단;과 상기 AC 레벨 변화량 검출수단에서 출력된 AC 레벨 변화량과 상기 DC 레벨 변화량 검출수단에서 출력된 적어도 하나 이상의 DC 레벨 변화량을 소정의 기준레벨과 비교하여 상기 피드백수단으로 인가하기 위한 비교수단을 포함함을 특징으로 하는 전원장치에 있어서 출력전압의 오차검출회로.Outputting at least one DC voltage with respect to an applied power supply voltage, and an output of a power supply having feedback means for feeding back a change amount of the DC voltage generated by a change in load in order to adjust an output voltage of the power supply; A voltage error detection circuit; AC level change amount detecting means for detecting an amount of change in an AC level in response to a change in the load in the one DC voltage; DC level change amount detecting means for detecting a change amount of the DC level according to the change of the load in the at least one or more DC voltages; and AC level change amount output from the AC level change amount detecting means and output from the DC level change amount detecting means. And a comparison means for applying the at least one DC level change amount to the feedback means in comparison with a predetermined reference level. 제1항에 있어서, 상기 피드백수단은 상기 전원장치의 1차측과 2차측을 절연하는 동시에 상기 오차검출수단에서 출력되는 오차전압을 전류로 변환하여 피드백하기 위한 포토 커플러;와 상기 포토커플러에서 출력되는 전류와 발진주파수에 의하여 상기 출력전압의 단속기간을 조절하기 위한 발진폭 조절수단으로 이루어짐을 특징으로 하는 전원장치에 있어서 출력전압의 오차검출회로.The photocoupler of claim 1, wherein the feedback means insulates the primary side and the secondary side of the power supply and simultaneously converts and outputs an error voltage output from the error detecting means into a current. And an oscillation width adjusting means for adjusting the interruption period of the output voltage by a current and an oscillation frequency. 제1항에 있어서, 상기 AC 레벨 변화량 검출수단은 상기 적어도 하나 이상의 DC 전압 중 기준전압이 되는 DC 전압을 출력하기 위한 수단과 상기 비교수단의 일측입력단 사이에 직렬로 접속됨을 특징으로 하는 전원장치에 있어서 출력전압의 오차검출회로.The power supply apparatus according to claim 1, wherein the AC level change detection means is connected in series between a means for outputting a DC voltage which becomes a reference voltage among the at least one DC voltage and an input terminal of the comparison means. Error detection circuit in the output voltage. 제1항에 있어서, 상기 DC 레벨 변화량 검출수단은 상기 적어도 하나 이상의 DC 전압 중 기준전압이 되는 DC 전압을 출력하기 위한 기준 DC 전압 출력단과 상기 비교수단의 일측입력단 사이에 직렬로 접속된 제1소자와 상기 적어도 하나 이상의 DC 전압중 다른 DC 전압을 출력하기 위한 출력단과 상기 비교수단의 상기 일측입력단 사이에 직렬로 접속되어 상기 제1소자와 병렬로 이루어지는 제2소자로 구성됨을 특징으로 하는 전원장치에 있어서 출력전압의 오차검출회로.The first element of claim 1, wherein the DC level change amount detecting means is connected in series between a reference DC voltage output terminal for outputting a DC voltage which becomes a reference voltage among the at least one DC voltage and an input terminal of the comparison means. And a second element connected in series between an output terminal for outputting another DC voltage among the at least one DC voltage and the one input terminal of the comparing means, the second device being in parallel with the first device. Error detection circuit in the output voltage. 인가되는 전원전압에 대하여 적어도 하나 이상의 DC 전압을 출력하여 부하로 인가하기 위한 전원장치의 출력전압의 오차검출방법에 있어서; 상기 하나의 DC 전압에 있어서 상기 부하의 변동에 따른 AC 레벨의 변화량을 검출하기 위한 AC 레벨 변화량 검출과정; 상기 적어도 하나 이상의 DC 전압에 있어서 상기 부하의 변동에 따른 DC 레벨의 변화량을 검출하기 위한 DC 레벨 변화량 검출과정;과 상기 AC 레벨 변화량 검출과정에서 검출된 AC 레벨 변화량과 상기 DC 레벨 변화량 검출과정에서 검출된 DC 레벨 변화량을 소정의 기준레벨과 비교하여 상기 전원장치의 출력전압을 조절하기 위한 오차량을 출력하기 위한 비교과정을 포함함을 특징으로 하는 전원장치에 있어서 출력전압의 오차검출방법.A method for detecting an error of an output voltage of a power supply device for outputting at least one DC voltage to an applied power supply voltage and applying the same to a load; An AC level change amount detecting step for detecting an amount of change in an AC level caused by a change in the load in the one DC voltage; A DC level change amount detecting step for detecting a change amount of the DC level according to the load change in the at least one or more DC voltages; and an AC level change amount detected in the AC level change amount detecting step and the DC level change amount detecting step And a comparison process for outputting an error amount for adjusting the output voltage of the power supply device by comparing the amount of change of the DC level with a predetermined reference level. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920022934A 1992-11-30 1992-11-30 Error detection circuit and method of output voltage in power supply KR0176452B1 (en)

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KR1019920022934A KR0176452B1 (en) 1992-11-30 1992-11-30 Error detection circuit and method of output voltage in power supply

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KR1019920022934A KR0176452B1 (en) 1992-11-30 1992-11-30 Error detection circuit and method of output voltage in power supply

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KR940012779A true KR940012779A (en) 1994-06-24
KR0176452B1 KR0176452B1 (en) 1999-05-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100333351B1 (en) * 2000-04-26 2002-04-19 박종섭 Data level stabilizer
KR101534909B1 (en) * 2012-03-28 2015-07-07 다이얼로그 세미컨덕터 인크. Delaying startup under fault conditions

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100333351B1 (en) * 2000-04-26 2002-04-19 박종섭 Data level stabilizer
KR101534909B1 (en) * 2012-03-28 2015-07-07 다이얼로그 세미컨덕터 인크. Delaying startup under fault conditions

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