KR970014479A

KR970014479A - Infrared Switching Circuit of Inverter Stand

Info

Publication number: KR970014479A
Application number: KR1019950027584A
Authority: KR
Inventors: 한용범
Original assignee: 배순훈; 대우전자 주식회사
Priority date: 1995-08-30
Filing date: 1995-08-30
Publication date: 1997-03-29

Abstract

본 발명은 열적외선을 이용한 인버터스탠드의 스윗칭회로에 관한 것으로, 특히 인체에서 복사되는 열을 감지하는 열적외선 센서에 의해 작업자의 존재여부를 감지하여 그에따라 부하(램프)를 스윗칭 제어하도록 하는 인버터스탠드의 열적외선 스윗칭회로에 관한 것으로서, 인체로부터 복사하는 열을 수광하는 열적외선수광부(2)와; 상기 열적외선수광부(2)에서 소정치의 신호를 입력받아 각 불필요한 고주파성분을 제거, 적외선신호대의 대역필터링을 하는 필터부(3)와; 상기 필터부(3)에서 입력되는 인가전압과 기준전압을 비교하여 열적외선 신호의 유무를 입력하여 주는 비교입력부(4)와; 상기 비교입력부(4)의 신호를 입력받아 열적외선 신호의 유무를 판단하여 이 판단된 결과에 따라 계속 전원을 인가할 것인가 또는 소정시간을 카운트하여 제어할 것인가를 결정하여 부하구동부를 출력제어하도록 하는 마이컴(5)과; 상기 마이컴(5)의 출력제어에 의해 부하를 구동 온/오프시켜 주는 부하구동부(6)로 구성된 특징이 있다.The present invention relates to a switching circuit of the inverter stand using the thermal infrared, in particular to detect the presence of the operator by the thermal infrared sensor for detecting the heat radiated from the human body to control the switching (load) accordingly A thermal infrared switching circuit of an inverter stand, comprising: a thermal infrared light emitting unit (2) for receiving heat radiated from a human body; A filter unit (3) for receiving a signal having a predetermined value from the thermal infrared light emitting unit (2) to remove each unnecessary high frequency component and perform band filtering on the infrared signal band; A comparison input unit 4 which compares the applied voltage and the reference voltage input from the filter unit 3 and inputs the presence or absence of a thermal infrared signal; The input of the comparison input unit 4 receives the signal of the thermal infrared signal to determine the presence or absence of the continuous power supply or a predetermined time to determine whether to control the load driver to output control A microcomputer 5; The load control unit 6 is configured to drive on / off the load by the output control of the microcomputer 5.

Description

Infrared Switching Circuit of Inverter Stand

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

제2도는 제1도의 상세회로도,2 is a detailed circuit diagram of FIG.

제3도는 본 발명에 따른 제어흐름도.3 is a control flow diagram according to the present invention.

Claims

A thermal infrared light-receiving unit 2 for receiving heat radiated from the interceptor; And a comparison input unit 4 which compares an applied voltage input from the filter unit 3 with a reference voltage and inputs a presence or absence of a thermal infrared signal; and receives a signal of the comparison input unit 4 from a thermal infrared signal. And the microcomputer 5 for controlling the output of the load driver by determining whether to continue to supply power or to count and control the predetermined time according to the determined result: output control of the microcomputer 5 A thermal infrared switching circuit of an inverter stand, characterized by comprising a load driver (6) for driving a load on / off by means of a load.

※ Note: The disclosure is based on the initial application.

A thermal infrared light emitting part 2 for receiving heat radiated from the human body; A filter unit (3) for receiving a signal having a predetermined value from the thermal infrared light receiving unit (2) to remove each unnecessary high frequency component and perform band filtering on the infrared signal band; A comparison input unit 4 which compares the applied voltage and the reference voltage input from the filter unit 3 and inputs the presence or absence of a thermal infrared signal; The input of the comparison input unit 4 receives the signal of the thermal infrared signal to determine the presence or absence of the continuous power supply or a predetermined time to determine whether to control the load driver to output control A microcomputer 5; A thermal infrared switching circuit of the inverter stand, characterized by comprising a load driver (6) for driving the load on / off by the output control of the microcomputer (5).

※ Note: The disclosure is based on the initial application.