KR910012722A - Digital display system of odometer and speedometer of car - Google Patents

Digital display system of odometer and speedometer of car Download PDF

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Publication number
KR910012722A
KR910012722A KR1019890019960A KR890019960A KR910012722A KR 910012722 A KR910012722 A KR 910012722A KR 1019890019960 A KR1019890019960 A KR 1019890019960A KR 890019960 A KR890019960 A KR 890019960A KR 910012722 A KR910012722 A KR 910012722A
Authority
KR
South Korea
Prior art keywords
travel distance
mcu
calculating
lcd
output
Prior art date
Application number
KR1019890019960A
Other languages
Korean (ko)
Other versions
KR920009024B1 (en
Inventor
장창욱
Original Assignee
이양섭
현대자동차 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 이양섭, 현대자동차 주식회사 filed Critical 이양섭
Priority to KR1019890019960A priority Critical patent/KR920009024B1/en
Publication of KR910012722A publication Critical patent/KR910012722A/en
Application granted granted Critical
Publication of KR920009024B1 publication Critical patent/KR920009024B1/en

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/56—Devices characterised by the use of electric or magnetic means for comparing two speeds

Abstract

내용 없음.No content.

Description

자동차의 주행거리계 및 속도계의 디지털 디스플레이 시스템Digital display system of odometer and speedometer of car

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

제2도는 본 발명 시스템의 회로구성도.2 is a circuit diagram of a system of the present invention.

제3도는 본 발명 시스템에 대한 플로우챠트.3 is a flow chart for a system of the present invention.

Claims (2)

트랜스미션(12)의 차동기어에 설치되는 펄스제너레이터(18)와, 상기 펄스제너레이터(18)의 펄스출력을 정형하고 필터링하는 파형정형 및 필터부(20)와, 상기 파형정형 및 필터부(20)의 펄스출력으로부터 속도와 주행거리를 연산처리하는 MCU(30)와, 상기 MCU(30)의 출력으로 LCD(24)를 구동하는 LCD드라이버(22)로 구성되는 것을 특징으로하는 주행거리계 및 속도계의 디지털 디스플레이 시스템A pulse generator 18 provided in the differential gear of the transmission 12, a waveform shaping and filter unit 20 for shaping and filtering the pulse output of the pulse generator 18, and the waveform shaping and filter unit 20 Of the odometer and speedometer, characterized in that it comprises a MCU (30) for calculating the speed and travel distance from the pulse output of the output, and an LCD driver (22) for driving the LCD (24) with the output of the MCU (30). Digital display systems 제1항에 있어서, 상기 MCU(30)는, CPU(32)가 ROM(35)의 고유 프로그램에 따라 3∼6개의 펄스주기의 평균주기를 계산하여 평균차속을 LCD(24)에 출력하고, 상기 평균차속에 샘플링시간(Ts)을 연산하여 샘플링시간 동안의 주행거리(Ds)를 연산 출력하고, 상기 주행거리(Ds)에 이전의 총 주행거리(Dtp)를 가산하여 얻어지는 현재의 총 주행거리(Dt)를 연산출력하고, 상기 총 주행거리(Dt)를 EEPROM(36)에 저장함과 동시에 LCD(24)로 출력하는 것을 특징으로 하는 주행거리계 및 속도계의 디지털 디스플레이 시스템.2. The MCU (30) according to claim 1, wherein the MCU (30) calculates an average period of three to six pulse periods according to a unique program of the ROM (35), and outputs the average vehicle speed to the LCD (24). The current total travel distance obtained by calculating and outputting the travel distance Ds for the sampling time by calculating the sampling time Ts to the average vehicle speed, and adding the previous total travel distance Dtp to the travel distance Ds. And calculating and outputting (Dt) and storing the total driving distance (Dt) in the EEPROM (36) and outputting the same to the LCD (24). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890019960A 1989-12-28 1989-12-28 Digital display system of speedmeter and driving distance KR920009024B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890019960A KR920009024B1 (en) 1989-12-28 1989-12-28 Digital display system of speedmeter and driving distance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890019960A KR920009024B1 (en) 1989-12-28 1989-12-28 Digital display system of speedmeter and driving distance

Publications (2)

Publication Number Publication Date
KR910012722A true KR910012722A (en) 1991-08-08
KR920009024B1 KR920009024B1 (en) 1992-10-12

Family

ID=19294012

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890019960A KR920009024B1 (en) 1989-12-28 1989-12-28 Digital display system of speedmeter and driving distance

Country Status (1)

Country Link
KR (1) KR920009024B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100894618B1 (en) * 2008-04-16 2009-04-24 주식회사 캔시스템 Apparatus for processing vehicle information as image

Also Published As

Publication number Publication date
KR920009024B1 (en) 1992-10-12

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