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KR970072616A - Output control circuit of voltage stabilizer - Google Patents

Output control circuit of voltage stabilizer Download PDF

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Publication number
KR970072616A
KR970072616A KR1019960013092A KR19960013092A KR970072616A KR 970072616 A KR970072616 A KR 970072616A KR 1019960013092 A KR1019960013092 A KR 1019960013092A KR 19960013092 A KR19960013092 A KR 19960013092A KR 970072616 A KR970072616 A KR 970072616A
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KR
South Korea
Prior art keywords
voltage
output
signal
current
load
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KR1019960013092A
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Korean (ko)
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KR0183292B1 (en
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이종철
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김광호
삼성전자 주식회사
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Classifications

    • 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
    • H02M5/00—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases
    • H02M5/40—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC
    • H02M5/42—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters
    • H02M5/44—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC
    • H02M5/453—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M5/458—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)

Abstract

1. 청구범위에 기재된 발명이 속한 기술분야1. Technical field to which the invention described in the claims belongs

안정된 전압의 입력에 의해 구동되는 부하와, 외부 입력 전압을 PWM 제어 신호의 입력에 대응된 전압으로 변환하여 상기 부하로 공급하는 전압 변환기와, 상기 부하로 공급되는 전압 레벨이 미리 설정된 전압 레벨을 초과시에 초과분에 대응된 전압을 검출하여 증폭하는 증폭기와, 상기 부하에 흐르는 전류의 양을 검출하여 전압으로 변환하는 전류 감지부와, 상기 증폭기와 전류 감지부로부터 각각 출력되는 신호의 차를 증폭하여 오차 신호중 상기 펄스 발생기에 공급하는 오차 증폭기와, 어떤 신호에 대응하는 펄스폭을 갖는 PWM 신호를 발생하는 펄스 발생기로 구성되어 출력을 안정화하는 회로에 관한 것이다.A voltage converter for converting an external input voltage into a voltage corresponding to an input of a PWM control signal and supplying the external input voltage to the load; An amplifier for detecting and amplifying a voltage corresponding to an excessive amount of the current flowing through the load, a current sensing unit for detecting an amount of current flowing through the load and converting the amount of current into a voltage, An error amplifier for supplying the pulse generator with a signal, and a pulse generator for generating a PWM signal having a pulse width corresponding to a certain signal, thereby stabilizing the output.

2. 발명이 해결하고자 하는 기술적 과제2. Technical Problems to be Solved by the Invention

램프로 공급되는 전압 및 전류량을 검출하여 전압 안정기의 출력을 안정화 시키는 회로를 제공한다.And a circuit for detecting the voltage and current supplied to the lamp to stabilize the output of the voltage stabilizer.

3. 발명의 해결방법의 요지3. The point of the solution of the invention

안정기의 출력을 안정화시키기 위해 안정기의 출력 전압과 출력 전류를 동시에 궤환시켜 출력 전력을 안정화 시킨다.In order to stabilize the output of the ballast, the output voltage of the ballast and the output current are simultaneously fed back to stabilize the output power.

4. 발명의 중요한 용도4. Important Uses of the Invention

전압 안정기의 출력 제어 회로 장치Output control circuit of voltage stabilizer

Description

전압 안정기의 출력 제어 회로Output control circuit of voltage stabilizer

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

제2도는 종래 기술에 의한 전압 안정기의 궤환부의 구체 회로도, 제3도는 본 발명의 실시예의 따른 전압 안정기의 궤환부의 구체적 실시 예시도.Fig. 2 is a specific circuit diagram of a feedback portion of a voltage stabilizer according to the related art, Fig. 3 is a specific embodiment of a feedback portion of the voltage stabilizer according to the embodiment of the present invention. Fig.

Claims (3)

안정된 전압의 입력에 의해 구동되는 부하와, 외부 입력 전압을 PWM 제어 신호의 입력에 대응된 전압으로 변환하여 상기 부하로 공급하는 전압 변환기와, 상기 부하로 공급되는 전압 레벨이 미리 설정된 전압 레벨을 초과시에 초과분에 대응된 전압을 검출하여 증폭하는 증폭기와, 상기 부하에 흐르는 전류의 양을 검출하여 전압으로 변환하는 전류 감지부와, 상기 증폭기와 전류 감지부로부터 각각 출력되는 신호의 차를 증폭하여 오차 신호중 상기 펄스 발생기에 공급하는 오차 증폭기와, 어떤 신호에 대응하는 펄스폭을 갖는 PWM 신호를 발생하는 펄스 발생기로 구성되어 출력을 안정화하는 회로에 있어서, 연산증폭기의 반전단자에는 전압 레벨을 검출하는 증폭기를 입력하고, 상기 연산증폭기의 비반전 단자에서 전류감지부에서 검출한 전압을 입력시켜 안정기의 출력을 안정화시키는 회로장치.A voltage converter for converting an external input voltage into a voltage corresponding to an input of a PWM control signal and supplying the external input voltage to the load; An amplifier for detecting and amplifying a voltage corresponding to an excessive amount of the current flowing through the load, a current sensing unit for detecting an amount of current flowing through the load and converting the amount of current into a voltage, And a pulse generator for generating a PWM signal having a pulse width corresponding to a certain signal so as to stabilize the output, wherein the inverting terminal of the operational amplifier is connected to an amplifier And the voltage detected by the current sensing unit at the non-inverting terminal of the operational amplifier is input Circuit device for stabilizing the output of a ballast. 제1항에 있어서, 상기 연산증폭기에 입력된 신호를 증폭하여 펄스발생기에 공급하는 오차증폭기의 회로 장치.The circuit device of claim 1, wherein the amplifying circuit amplifies the signal input to the operational amplifier and supplies the amplified signal to the pulse generator. 제1항 또는 제2항에 있어서, 상기 입력신호에 대응하는 펄스폭을 갖는 PWM 신호를 발생하는 펄스 발생기로 구성되어 출력을 안정화하는 회로 장치.The circuit device according to claim 1 or 2, comprising a pulse generator for generating a PWM signal having a pulse width corresponding to the input signal to stabilize the output. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960013092A 1996-04-26 1996-04-26 Control circuit for output voltage of stability equipment Expired - Fee Related KR0183292B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019960013092A KR0183292B1 (en) 1996-04-26 1996-04-26 Control circuit for output voltage of stability equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960013092A KR0183292B1 (en) 1996-04-26 1996-04-26 Control circuit for output voltage of stability equipment

Publications (2)

Publication Number Publication Date
KR970072616A true KR970072616A (en) 1997-11-07
KR0183292B1 KR0183292B1 (en) 1999-05-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960013092A Expired - Fee Related KR0183292B1 (en) 1996-04-26 1996-04-26 Control circuit for output voltage of stability equipment

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KR (1) KR0183292B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100692476B1 (en) * 2005-03-14 2007-03-12 후지쯔 가부시끼가이샤 Current balance circuit
KR100833687B1 (en) * 2007-04-20 2008-05-29 주식회사 디엠비테크놀로지 Accelerated Output Stabilizers and Direct-DC Converters for Fast Load Adjustment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100692476B1 (en) * 2005-03-14 2007-03-12 후지쯔 가부시끼가이샤 Current balance circuit
KR100833687B1 (en) * 2007-04-20 2008-05-29 주식회사 디엠비테크놀로지 Accelerated Output Stabilizers and Direct-DC Converters for Fast Load Adjustment

Also Published As

Publication number Publication date
KR0183292B1 (en) 1999-05-15

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