KR970046465A - Automotive gear shift position detecting device using laser beam - Google Patents

Automotive gear shift position detecting device using laser beam Download PDF

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Publication number
KR970046465A
KR970046465A KR1019950051425A KR19950051425A KR970046465A KR 970046465 A KR970046465 A KR 970046465A KR 1019950051425 A KR1019950051425 A KR 1019950051425A KR 19950051425 A KR19950051425 A KR 19950051425A KR 970046465 A KR970046465 A KR 970046465A
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KR
South Korea
Prior art keywords
signal
laser
receiver
laser beam
amplifying
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Application number
KR1019950051425A
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Korean (ko)
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KR100213643B1 (en
Inventor
김홍구
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김홍구
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Priority to KR1019950051425A priority Critical patent/KR100213643B1/en
Publication of KR970046465A publication Critical patent/KR970046465A/en
Application granted granted Critical
Publication of KR100213643B1 publication Critical patent/KR100213643B1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/10—Safety devices
    • F02N11/101—Safety devices for preventing engine starter actuation or engagement
    • F02N11/103—Safety devices for preventing engine starter actuation or engagement according to the vehicle transmission or clutch status
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • F02N11/0803—Circuits or control means specially adapted for starting of engines characterised by means for initiating engine start or stop
    • F02N11/0807—Remote means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N2200/00—Parameters used for control of starting apparatus
    • F02N2200/08—Parameters used for control of starting apparatus said parameters being related to the vehicle or its components
    • F02N2200/0802—Transmission state, e.g. gear ratio or neutral state

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

본 발명은 자동차 원격시동시의 위험을 예방하기 위하여 원격시동장치의 수신부에 부가하여 사용되는 레이져 빔을 이용한 자동차 변속기어 위치 검출장치를 제공하려는 것으로, 코드화된 펄스를 출력하는 코드발생부(1); 코드 신호를 증폭하여 레이져 다이오드를 구동하고 발생된 단속 레이저과을 레이저 모듈에서 집속하여 검출 위치에 송출하는 코드화 레이신호 발생부(2); 입사하는 단속 레이저 빔을 수광부로 반사하도록 자동차 변속기의 검출스틱 어느부위에 부착되는 반사부(3); 반사되는 레이저신호를 수신하는 레이져신호 수신부(4); 일광 및 외부 잡음과을 수신하고 레이져신호 수신부(4)의 수신신호와 함께 증폭기에서 차등 증폭하여 일광 및 외부 잡음을 보상하는 신호 보상부(5); 수신 코드 신호를 증폭하는 슈미트리거 증폭부(6) 및 수신신호를 해독하여 일정한 신호이면 출력신호를 출력하는 신호 해독부(7)로 구성한 것을 특징으로 하는 레이져빔을 이용한 자동차 변속기어 위치 검출장치이다.The present invention is to provide a vehicle transmission gear position detection device using a laser beam used in addition to the receiving unit of the remote start device in order to prevent the risk of remote start, the code generator (1) for outputting a coded pulse ; A coded laser signal generator (2) for amplifying a code signal to drive a laser diode and focusing the generated intermittent laser beam at a laser module and sending the laser signal to a detection position; A reflector (3) attached to a portion of a detection stick of the vehicle transmission to reflect the incident intermittent laser beam to the light receiver; A laser signal receiver 4 for receiving the reflected laser signal; A signal compensator (5) for receiving daylight and external noises and compensating for daylight and external noise by differentially amplifying the amplifier together with the received signal of the laser signal receiver (4); A shift gear position detecting device using a laser beam, comprising: a Schmitt trigger amplification unit (6) for amplifying a reception code signal and a signal decoding unit (7) for decoding a received signal and outputting an output signal if the received signal is a constant signal. .

Description

레이저빔을 이용한 자동차 변속기어 위치 검출장치Automotive gear shift position detecting device using laser beam

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

제1도는 본 발명 회로의 블록다이어그램,1 is a block diagram of a circuit of the present invention,

제2도는 본 발명의 고안의 상세 회로도,2 is a detailed circuit diagram of the inventive design,

제3도는 엔코더 출력의 타이밍도3 is a timing diagram of encoder output

Claims (3)

코드화된 펄스를 출력하는 코드발생부(1); 코드 신호를 증폭하여 레이져 다이오드를 구동하고 발생된 단속 레이저광을 레이저 모듈에서 집속하여 검출 위치에 송출하는 코드화 레이신호 발생부(2); 입사하는 단속 레이저 빔을 수광부로 반사하도록 자동차 변속기의 검출스틱 어느부위에 부착되는 반사부(3); 반사되는 레이저신호를 수신하는 레이져신호 수신부(4); 일광 및 외부 잡음광을 수신하고 레이져신호 수신부(4)의 수신신호와 함께 증폭기에서 차등 증폭하여 일광 및 외부 잡음을 보상하는 신호 보상부(5); 수신 코드 신호를 증폭하는 슈미트리거 증폭부(6) 및 수신신호를 해독하여 일정한 신호이면 출력신호를 출력하는 신호 해독부(7)로 구성한 것을 특징으로 하는 레이져빔을 이용한 자동차 변속기어 위치 검출장치A code generator 1 for outputting a coded pulse; A coded laser signal generator (2) for amplifying a code signal to drive a laser diode, focusing the generated intermittent laser light at a laser module, and sending the laser signal to a detection position; A reflector (3) attached to a portion of a detection stick of the vehicle transmission to reflect the incident intermittent laser beam to the light receiver; A laser signal receiver 4 for receiving the reflected laser signal; A signal compensator 5 for receiving daylight and external noise light and differentially amplifying the amplifier together with the received signal of the laser signal receiver 4 to compensate for daylight and external noise; A shift gear position detecting device using a laser beam, comprising: a Schmitt trigger amplification unit 6 for amplifying a reception code signal and a signal decoding unit 7 for decoding a received signal and outputting an output signal if the received signal is a constant signal. 청구범위 제1항에 있어서, 엔코더(EN)에서 코드화된 펄스를 출력하고 데코더(DEC)에서 약속된 신호해독의 결과에 따라 검출신호를 출력하므로 위치검출 신호의 신뢰성을 향상시킨 레이져빔을 이용한 자동차 변속기어 위치 검출장치The motor vehicle according to claim 1, wherein a pulse coded by an encoder (EN) is output and a detection signal is output in accordance with a result of signal readout promised by the decoder (DEC), thereby improving the reliability of the position detection signal. Gear shift position detection device 청구범위 제1항에 있어서, 보상부(5)는 포토트랜지스터(TR2)에서 외부 일광 및 외부잡음광을 레이저신호 수신부(4) 수신부의 잡음 수신량과 같은량으로 유입하고 유입량의 오차는 가변가항(VR)으로 조절할 수 있게하며, 두 포토트랜지스터(TR1, TR2)의 출력전위를 브리지 결성하여 차등증폭하여 잡음신호는 상쇄시키고 수신부(4) 포토트랜지스터(TR1)에서 수신하는 코드 신호만을 증폭하는 것을 특징으로 하는 레이져빔을 이용한 자동차 변속기어 위치 검출장치The method of claim 1, wherein the compensation unit 5 introduces external daylight and external noise light in the phototransistor TR2 in the same amount as the noise reception amount of the laser signal receiver 4 receiver, and the error of the inflow amount is variable. (VR), and bridge the output potentials of the two phototransistors (TR1, TR2) to differentially amplify to cancel the noise signal and to amplify only the code signal received by the receiver (4) phototransistor (TR1) Automobile gear shift position detecting device using laser beam
KR1019950051425A 1995-12-18 1995-12-18 Detecting system for shift gear position of an automobile by using laser beam KR100213643B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950051425A KR100213643B1 (en) 1995-12-18 1995-12-18 Detecting system for shift gear position of an automobile by using laser beam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950051425A KR100213643B1 (en) 1995-12-18 1995-12-18 Detecting system for shift gear position of an automobile by using laser beam

Publications (2)

Publication Number Publication Date
KR970046465A true KR970046465A (en) 1997-07-26
KR100213643B1 KR100213643B1 (en) 1999-08-02

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KR1019950051425A KR100213643B1 (en) 1995-12-18 1995-12-18 Detecting system for shift gear position of an automobile by using laser beam

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KR100213643B1 (en) 1999-08-02

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