KR950023234A - Automatic adjustment of the light intensity of the lamp - Google Patents

Automatic adjustment of the light intensity of the lamp Download PDF

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Publication number
KR950023234A
KR950023234A KR1019930031924A KR930031924A KR950023234A KR 950023234 A KR950023234 A KR 950023234A KR 1019930031924 A KR1019930031924 A KR 1019930031924A KR 930031924 A KR930031924 A KR 930031924A KR 950023234 A KR950023234 A KR 950023234A
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KR
South Korea
Prior art keywords
lamp
current
light
detecting
signal
Prior art date
Application number
KR1019930031924A
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Korean (ko)
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KR0163795B1 (en
Inventor
구자경
Original Assignee
엄길용
오리온전기 주식회사
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Publication date
Application filed by 엄길용, 오리온전기 주식회사 filed Critical 엄길용
Priority to KR1019930031924A priority Critical patent/KR0163795B1/en
Publication of KR950023234A publication Critical patent/KR950023234A/en
Application granted granted Critical
Publication of KR0163795B1 publication Critical patent/KR0163795B1/en

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light

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  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

본 발명은 램프의 광량을 일정하게 유지하도록 자동제어하는 램프의 광량자동 조절 장치에 관한것으로, 램프(70)에 유입되는 전류를 전류검출소자(10A)를 통하여 검출하는 전류 검출수단(10)과, 전원주파수에 상응하는 전원동기파형을 형성해내는 동기신호발생수단(20)과, 상기 램프(70)의 광량을 광감지소자(30A)를 통하여 검출하는 광감지수단(30)과, 상기 전류검출수단(10)을 통해 입력되는 신호와 상기 광감지수단(30)를 통해 입력되는 신호를 검출하여 램프(70)의 광량이 규정치가 될 수 있도록 램프(70)로 유입되는 전류를 제어하고, 상기 램프(70)로의 전류유입이 상승함에도 그 광량이 규정치에 도달하지 못하면 출력을 차단하되, 상기 동기신호발생수단(20)의 동기신호에 동기하여 램프유입의 전류제어를 위한 펄스폭변조신호를 출력하는 PWM제어수단(40)과, 상기 PWM제어수단(40)에서 출력되는 펄스폭변조신호에 의해 스위칭 소자를 구동시켜 램프(70)로의 전류제어를 실행하는 스위칭수단(50)과, 상기 스위칭수단(50)의 스위칭신호에 의해 소정전류를 램프(70)로 흘려주는 램프구동수단(70)으로 구성됐다.The present invention relates to a device for automatically adjusting the amount of light of a lamp to automatically maintain a constant amount of light of the lamp, comprising: current detecting means (10) for detecting a current flowing into the lamp (70) through the current detecting element (10A); And a synchronous signal generating means 20 for forming a power synchronous waveform corresponding to the power frequency, an optical sensing means 30 for detecting the light amount of the lamp 70 through an optical sensing element 30A, and the current detection. By detecting the signal input through the means 10 and the signal input through the light sensing means 30 to control the current flowing into the lamp 70 so that the light amount of the lamp 70 can be a prescribed value, and If the light quantity does not reach the prescribed value even though the current inflow to the lamp 70 rises, the output is cut off, and the pulse width modulation signal for controlling the current of the lamp inflow is output in synchronization with the synchronization signal of the synchronization signal generating means 20. PWM control means 40 and Switching means 50 for driving the switching element by the pulse width modulation signal output from the PWM control means 40 to perform the current control to the lamp 70, and predetermined by the switching signal of the switching means 50 It consists of a lamp driving means 70 for flowing a current to the lamp (70).

Description

램프의 광량 자동 조절 장치Automatic adjustment of the light intensity of the lamp

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 의한 제어 블럭도,1 is a control block diagram according to the present invention;

제2도는 본 발명에 의한 전류검출수단, 동기신호발생수단, 광감지수단, PWM제어수단의 일실시예를 나타내는 상세회로도,2 is a detailed circuit diagram showing an embodiment of a current detecting means, a synchronizing signal generating means, a light detecting means, and a PWM control means according to the present invention;

제3도는 본 발명에 의한 스위칭수단, 램프구동수단의 일실시예를 나타내는 상세회로도.3 is a detailed circuit diagram showing an embodiment of a switching means and a lamp driving means according to the present invention.

Claims (1)

램프(70)에 유입되는 전류를 전류검출소자(10A)를 통하여 검출하는 전류검출수단(10)과, 전원주파수에 상응하는 전원동기파형을 형성해내는 동기신호발생수단(20)과, 상기 램프(70)의 광량을 광감지소자(30A)를 통하여 검출하는 광감지수단(30)과, 상기 전류검출수단(10)을 통해 입력되는 신호와 상기 광감지수단(30)를 통해 입력되는 신호를 검출하여 램프(70)의 광량이 규정치가 될 수 있도록 램프(70)로 유입되는 전류를 제어하고, 상기 램프(70)로의 전류유입이 상승함에도 그 광량이 규정치에 도달하지 못하면 출력을 차단하되, 상기 동기신호발생수단(20)의 동기신호에 동기하여 램프유입의 전류제어를 위한 펄스폭변조신호를 출력하는 PWM제어수단(40)과, 상기 PWM제어수단(40)에서 출력되는 펄스폭변조신호에 의해 스위칭 소자를 구동시켜 램프(70)로의 전류제어를 실행하는 스위칭수단(50)과, 상기 스위칭수단(50)의 스위칭신호에 의해 소정전류를 램프(70)로 흘려주는 램프구동수단(70)으로 구성된 것을 특징으로 하는 램프의 광량 자동 조절 장치.A current detecting means 10 for detecting a current flowing into the lamp 70 through the current detecting element 10A, a synchronizing signal generating means 20 for forming a power supply synchronous waveform corresponding to the power frequency, and the lamp ( The light sensing means 30 for detecting the light amount of the light 70 through the light sensing element 30A, the signal input through the current detecting means 10 and the signal input through the light sensing means 30. By controlling the current flowing into the lamp 70 so that the light amount of the lamp 70 is a prescribed value, and if the light quantity does not reach the prescribed value even when the current flow into the lamp 70 rises, the output is cut off, PWM control means 40 for outputting a pulse width modulation signal for controlling the current of the lamp flow in synchronization with the synchronization signal of the synchronization signal generating means 20, and the pulse width modulation signal output from the PWM control means 40 Current control to the lamp 70 by driving the switching element And a lamp driving means (70) for flowing a predetermined current to the lamp (70) by the switching means (50) for executing the switching signal of the switching means (50). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930031924A 1993-12-31 1993-12-31 Lamp of luminous energy auto control device KR0163795B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930031924A KR0163795B1 (en) 1993-12-31 1993-12-31 Lamp of luminous energy auto control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930031924A KR0163795B1 (en) 1993-12-31 1993-12-31 Lamp of luminous energy auto control device

Publications (2)

Publication Number Publication Date
KR950023234A true KR950023234A (en) 1995-07-28
KR0163795B1 KR0163795B1 (en) 1999-04-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930031924A KR0163795B1 (en) 1993-12-31 1993-12-31 Lamp of luminous energy auto control device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012099281A1 (en) * 2011-01-19 2012-07-26 Cho Bong-Un Control device for led lamp using cpu

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KR0163795B1 (en) 1999-04-15

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