KR950008045Y1 - Speed display lamp device for autocars - Google Patents
Speed display lamp device for autocars Download PDFInfo
- Publication number
- KR950008045Y1 KR950008045Y1 KR92007494U KR920007494U KR950008045Y1 KR 950008045 Y1 KR950008045 Y1 KR 950008045Y1 KR 92007494 U KR92007494 U KR 92007494U KR 920007494 U KR920007494 U KR 920007494U KR 950008045 Y1 KR950008045 Y1 KR 950008045Y1
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- South Korea
- Prior art keywords
- vehicle speed
- vehicle
- speed
- pin
- microcomputer
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/0088—Details of electrical connections
- B60Q1/0094—Arrangement of electronic circuits separated from the light source, e.g. mounting of housings for starter circuits for discharge lamps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/44—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action or preparation for braking, e.g. by detection of the foot approaching the brake pedal
- B60Q1/444—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action or preparation for braking, e.g. by detection of the foot approaching the brake pedal with indication of the braking strength or speed changes, e.g. by changing shape or intensity of the indication
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
- B60Q1/54—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking for indicating speed outside of the vehicle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/10—Road Vehicles
- B60Y2200/11—Passenger cars; Automobiles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/30—Sensors
- B60Y2400/303—Speed sensors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2103/00—Exterior vehicle lighting devices for signalling purposes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
Abstract
내용 없음.No content.
Description
제1도는 본 고안 차속계산마이콤의 주변회로 접속도.1 is a peripheral circuit connection diagram of the inventive vehicle speed calculation microcomputer.
제2도는 본 고안 차속계산마이콤의 출력부 상세도.2 is a detailed view of the output unit of the present invention vehicle speed calculation microcomputer.
제3도는 본 고안 구동회로의 상세도.3 is a detailed view of the driving circuit of the present invention.
제4도는 본 고안의 실시예의 차속계산마이콤의 동작상태 흐름도.4 is a flowchart of an operation state of the vehicle speed calculation microcomputer according to the embodiment of the present invention.
제5도는 본 고안 차속표시판의 예시도.5 is an exemplary view of the present invention vehicle speed display panel.
제6도는 출력핀 L0-L10 이 H 전압과 차속 및 차속펄스의 관계 예시표.6 is a table showing the relationship between the output voltage L0-L10 H voltage, vehicle speed and vehicle speed pulse.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
1 : 차속펄스발생기 2 : 차속계산마이콤1: vehicle speed pulse generator 2: vehicle speed calculation microcomputer
3 : 차속펄스증폭기 4 : 차속표시판3: vehicle speed pulse amplifier 4: vehicle speed display board
본 고안은 마이콤 제어하에 자동차의 속도변화를 점등면적의 변동으로 표시하여 후방차량이 직감적으로 알수 있게 하므로 안전운행을 도모할 수 있게 되어 있는 자동차용 속도표시램프 장치에 관한 것이다.The present invention relates to a speed display lamp device for a vehicle that is capable of driving safely by displaying the speed change of the vehicle under the microcomputer control as a change in the lighting area so that the rear vehicle can be intuitively known.
종래 특허공보 90-2994호에서 알려진 차량용 제동표시장치는 자동차의 생산라인에서 브레이크 페달의 동작 정도에 따라 저항값이 변화되는 브레이크 페달부, 브레이크 스위치 및 좌우 회전방향 스위치와 후진기어 스위치로 이루어진 스위치부, A/D변환기, 변환신호 비교기, 차속감지 신호 비교기, 마이콤 제어부, LED표시부를 모두 설치하여 구성하는 것으로서, 제어 신호에 따라 자동차의 계기판 및 시그널 램프와 브레이크등에 정지, 방향지시, 후진 신호를 주기적으로 출력하거나 순차적으로 출력하는 것이며, 또한 브레이크 스위치의 동작에 따라 LED 표시부를 여러단계로 구분하여 선택적으로 점등제어하며, 계산된 차속에 따라 LED를 구분하여 일정한 주기로 점, 소등 하며, 브레이크 페달의 정도에 따라 발광 다이오드의 일부나 전부를 점등하며, 차속계산의 결과 차속이 느린 경우 늦은 주기로, 차속이 빠른 경우 빠른주기로 점등 또는 소등하는 것이다. 그러나 이와 같은 제동표시 장치는 생산라인을 떠난 기존 차량에는 설치할 수는 없는 제동표시 장치이다.The vehicle braking display device known in Korean Patent Publication No. 90-2994 has a brake pedal unit in which a resistance value is changed according to the degree of operation of a brake pedal in a vehicle production line, a brake switch and a switch unit consisting of a left and right rotation direction switch and a reverse gear switch. , A / D converter, converted signal comparator, vehicle speed detection signal comparator, microcomputer control unit, LED display unit are all installed and configured to stop, direction indication, reverse signal to instrument panel, signal lamp and brake of vehicle according to control signal. It outputs in order or outputs sequentially, and also selectively turns on and controls the LED display part by several steps according to the operation of the brake switch, and separates LEDs according to the calculated vehicle speed to turn on and off at regular intervals. Some or all of the light-emitting diodes As a result of the mountain, if the vehicle speed is slow, it turns on or off at a slow cycle. However, such a brake display device is a brake display device that cannot be installed in an existing vehicle that has left the production line.
또한 일본 공개실용신안공보 평2-100943에서 차량용 점등구가 제시되고 있으나. 이는 차속센서에 의한 차속 검출회로와 점등속도제어회로와 점등판제어회로로 구성하여 일정한 차속대역에서 점멸속도를 빠르게 하고 차속의 증가에 따라 삼단계로 전구의 점등수를 많게하는 것이나 이는 스위칭 제어회로의 일종으로서 마이콤 제어에 비하여 기능적인 한계성을 가지는 것이었다.In addition, although the Japanese Utility Model Publication No. Hei 2-100943 shows a vehicle lighting fixture. It consists of a vehicle speed detection circuit, a lighting speed control circuit, and a lighting plate control circuit by the vehicle speed sensor to speed up the blinking speed in a certain vehicle speed band and increase the number of lighting of the bulb in three stages as the vehicle speed increases. As a kind of, it had functional limitations compared to microcomputer control.
본 고안의 목적은 출고된 기존의 부가 설치할 수 있는 속도표시 램프장치를 제공하려는 것이다.An object of the present invention is to provide a speed indicator lamp device that can be installed in the existing factory.
본 고안의 다른 목적은 마이콤 제어하에 자동차의 현재속도를 계산하여 속도표시판에 일정한 면적이 되게 점등하여 주며, 이와 같은 속도표시동작을 짧은 시간 간격으로 갱신 하여주므로 속도의 변화를 시각적으로 파악할 수 있게 하여 자동차의 안전운행을 도모할 수 있게 하려는 것이다.Another object of the present invention is to calculate the current speed of the vehicle under the control of the microcomputer and to light up a certain area on the speed display panel, and to update the speed display operation at short time intervals so that the change in speed can be visually grasped. It is intended to enable safe driving of cars.
이와 같은 본 고안의 차속표시램프장치는 선형으로 배열한 발광다이오드열을 속도표시 단계에 대응하여 2차원 평면이 되게 재 배열하는 속도표시판을 구성하되, 속도표시판은 정지상태 및 서행상태를 표시하는 하위 선형 적색 램프열과 그 이상의 차속을 10단계로 표시하기 위한 10단계의 선형 녹색램프열을 접합시켜 구성하였다.The vehicle speed display lamp device of the present invention comprises a speed display panel for rearranging linearly arranged light emitting diode rows to be a two-dimensional plane corresponding to the speed display step, wherein the speed display panel is a lower display unit for displaying a stop state and a slow state. The linear red lamp train and the linear green lamp train of 10 steps to display more vehicle speeds in 10 steps were constructed by joining.
상기 속도표시판은 차량이 정지 또는 서행 상태에서 저위 적색 램프열을 점등하고 자동차의 주행속도가 일정속도 이상이 되면 적색 램프열을 소등하며 또한 속도에 대응하여 하나 이상의 녹색 램프열을 하위로부터 순차로 점등하며, 이러한 차속 표시 점등동작을 짧은 시간간격으로 갱신하여 주므로 자동차 속도의 변화를 속도 표시판의 녹색 점등면적의 변동을 표시하는 것이다. 따라서 속도변화가 점등면적의 변화로 나타나므로 속도 변화를 시각적으로 파악할 수 있어서 안전운행을 도모할 수 있게 되는 것이다.The speed display panel lights up the lower red lamp row when the vehicle is stopped or slowed down, turns off the red lamp row when the driving speed of the vehicle exceeds a certain speed, and lights one or more green lamp rows sequentially from the lower part in response to the speed. In addition, since the vehicle speed display lighting operation is updated at short time intervals, the change in the vehicle speed is displayed to display a change in the green lighting area of the speed display panel. Therefore, the speed change appears as a change in the lighting area, so that the speed change can be visually grasped to promote safe driving.
본 고안을 첨부도면에 따라서 상세하게 설명하면 다음과 같다.Referring to the present invention in detail according to the accompanying drawings as follows.
차속펄스발생기(1)의 출력펄스를 계수하고 차속을 계산하여 차속상태에 따라 점등전구의 수를 많게 하는 차량용 제동표시장치에 있어서, 차속펄스발생기(1)의 출력펄스를 증폭하고 차속계산 마이콤(2)에 제공하는 차속펄스증폭기(3)와, 차속펄스증폭기(3)에서 입력되는 펄스를 계수하고 차속을 계산하여 차속이 5Hz보다 보다 작으면 LO핀을 하이로하고 L1-L10핀을 로우로 하여 서행 또는 정지상태를 표시하며 , 차속이 5Hz보다 크면 차속에 대응하는 핀 Ln을 계산하고 LO핀을 로우로 L1-Ln핀을 하이로 하여 차속을 점등면적으로 표시하고 또한 이를 빠른 속도로 갱신하여 차속변동을 점등면적의 변동으로 표시하는 차속계산 마이콤(2)과, 차속계산 마이콤(2)의 출력핀(L0-L10)에 각각 램프열 (d0-d10)을 배열하되 d0에 적색램프열을 d1-d10에 녹색램프열을 배열하여 저속 또는 정지와 주행속도를 점등면적의 변동으로 나타내는 차속 차속 표시판(4)과, 차속계산마이콤(2)의 각 출력핀(L0-L10)에 설치되어 출력신호에 따라 각 차속표시램프(d0-d10)를 점등 또는 소등하는 구동회로(5)로 구성하였다.In a vehicle braking display device which counts the output pulses of the vehicle speed pulse generator 1 and calculates the vehicle speed to increase the number of light bulbs according to the vehicle speed condition, the vehicle pulse display device amplifies the output pulses of the vehicle speed pulse generator 1 and calculates the vehicle speed calculation microcomputer. 2) Count the pulses input from the vehicle speed pulse amplifier (3) and the vehicle speed pulse amplifier (3) and calculate the vehicle speed. If the vehicle speed is less than 5 Hz, turn the LO pin high and set the L1-L10 pin low. If the vehicle speed is greater than 5Hz, calculate the pin Ln corresponding to the vehicle speed, display the vehicle speed as a lighting area with the LO pin low and the L1-Ln pin high, and update it at a high speed. Arrange the lamp trains d0-d10 on the vehicle speed calculation micom (2) and the output pins (L0-L10) of the vehicle speed calculation micom (2), which display the fluctuations as the lighting area fluctuations, respectively. Slow speed by arranging green lamp trains at -d10 Or vehicle speed display lamps d0-d10 provided to the vehicle speed display panel 4 indicating the stop and the traveling speed by the lighting area and the output pins L0-L10 of the vehicle speed calculation microcomputer 2 in accordance with the output signal. ) Is constituted by a drive circuit 5 for turning on or off.
상기 차속 펄스증폭기(3)는 차속펄스발생기(1)의 출력 펄스를 베이스에 인가하고 콜렉터의 증폭 출력을 차속계산마이콤(2)의 F-IN 단자에 제공하는 트랜지스터(31)로 구성하였다.The vehicle speed pulse amplifier 3 includes a transistor 31 which applies the output pulse of the vehicle speed pulse generator 1 to the base and provides the amplified output of the collector to the F-IN terminal of the vehicle speed calculation microcomputer 2.
실시예에서 상기 차속계산마이콤(2)은 마이크로칩 테크롤리지사(Microchip Technollogy inc.)의 마이크로 콘트롤러 16C54XT를 사용하였다.In the embodiment, the vehicle speed calculation microcomputer 2 used a microcontroller 16C54XT manufactured by Microchip Technology Inc. (Microchip Technology Inc.).
실시예에서 상기 차속계산마이콤(2)이 클럭핀(OSC1, OSC2)에 클럭신호를 공급하는 클럭발생기(21)를 접속하였고, 리세트단자(MCLR)에 초기 전원 공급시 리세트 전압을 공급할 수 있도록 전원단자(VDD)측의 저항(22) 및 접지단자(GND) 측의 콘덴서(23)로 되는 로우 전압발생회로(24)를 접속하였다.In the embodiment, the vehicle speed calculation microcomputer 2 is connected to a clock generator 21 for supplying a clock signal to the clock pins OSC1 and OSC2, and the reset voltage can be supplied to the reset terminal MCLR upon initial power supply. The low voltage generation circuit 24, which is a resistor 22 on the power supply terminal VDD side and a capacitor 23 on the ground terminal GND side, is connected.
상기 차속표시판(4)은 제2도와 같이 차속계산마이콤(2)의 출력핀 L0-L10에 각각 설치한 구동회로(5)를 통하여 램프열 L0-L10에 각각 점등전류를 공급할 수 있게 구성하였다.The vehicle speed display panel 4 is configured to supply lighting currents to the lamp strings L0-L10 through the driving circuits 5 respectively installed at the output pins L0-L10 of the vehicle speed calculation microcomputer 2 as shown in FIG.
상기 구동회로(5)는 제3도와 같이 출력핀(L0-L10)이 H전압이 되면 도통상태가 되어 출력핀에 연결한 램프열 dn에 속한 램프(41)들을 점등할 수 있도록 트랜지스터(52, 53) 및 저항(57, 55, 56)으로 되는 전류증폭 회로와 다이오드(51, 54)를 접속하여서 되는 정류회로를 구성하였다.As shown in FIG. 3, when the output pins L0-L10 become H voltage, the driving circuit 5 is in a conductive state so that the lamps 41 belonging to the lamp column dn connected to the output pin can be turned on. 53 and a rectifier circuit formed by connecting the current amplifier circuits consisting of the resistors 57, 55, 56 and the diodes 51, 54.
제4도는 차속계산마이콤(2)의 동작상태 흐름도이다. 차속계산마이콤(2)에 전원이 인가되어 하드웨어 리세트 동작을 행하고 단계 100에서 출력핀 L0-L10의 전압을 L로 하여 모든 램프열 d0-d10 을 소등( OFF)한다. 단계 101에서 F-IN 단자에 입력되는 차속펄스(F)가 5헬즈(Hz)보다 크면 (F>5) 단계 102로 진행하여 L1단자 전압을 H로 하여 녹색램프열 d1을 점등(ON)하고 아니면 단계 103에서 LO단자를 H로 하여 적색램프열 d0를 점등(ON)하고 초기 상태로 간다.4 is a flowchart of an operation state of the vehicle speed calculation microcomputer 2. The power supply is applied to the vehicle speed calculation microcomputer 2 to perform a hardware reset operation. In step 100, all the lamp strings d0-d10 are turned off (OFF) with the voltage of the output pins L0-L10 set to L. If the vehicle speed pulse (F) input to the F-IN terminal in step 101 is greater than 5 hels (Hz), go to step 102 (F> 5), and turn on the green lamp string d1 with the L1 terminal voltage as H. Otherwise, the red lamp string d0 is turned on (ON) with the LO terminal as H in step 103 to go to the initial state.
상기 실시예에서 차속이 정지 또는 서행인 경우(F=<5) 적색램프열 d0의 점등은 빠른 속도로 갱신되므로 후방차량은 적색램프열(D0)의 점등상태를 보게 되는 것이다.In the above embodiment, when the vehicle speed is stopped or slow (F = <5), the lighting of the red lamp string d0 is updated at a high speed, so that the rear vehicle sees the lighting state of the red lamp string D0.
상기 단계 101에서 단계 102를 거쳐 단계 104에 이르러 차속펄스(F)가 7헬즈(Hz)보다 크면 (F>7) 단계 105에서 L2단자를 H로 하여 녹색램프열 d2를 점등(ON)하고 아니면 초기 상태로 간다. 이 상태에서 적색램프열(d0)은 소등상태이고 녹색램프열(d1)만이 점등된다.If the vehicle speed pulse (F) is greater than 7 health (Hz) in step 101 through step 102 (F> 7), in step 105, the green lamp train d 2 is turned ON with the L2 terminal as H. Or go to the initial state. In this state, the red lamp string d0 is turned off and only the green lamp string d1 is lit.
단계 104에서 105에 이르는 과정을 단계 106부터 121이르기 까지 반복하므로 녹색램프열 L3-L10까지의 점등여부를 결정하며 상기 과정을 반복하게 된다.Since the process from step 104 to 105 is repeated from step 106 to 121, it is determined whether the green lamp string L3-L10 is turned on and the process is repeated.
상기와 같이 본 고안은 자동차의 시동을 걸어 차속계산마이콤에 전류가 공급되면 저항(22)과 콘덴서(23)의 시정수내에서 리세트 단자(MCLR)에 L전압이 걸려 카운IC(2)가 초기화 되는 것이며, 차속펄스발생기(1)의 펄스가 증폭기(3)에서 증폭되어 차속계산마이콤(2)의 F-IN 단자에 공급되면 차속계산마이콤(2)은 입력되는 펄스를 계수하고 차속을 계산하여 차속상태에 따라 출력핀(L0-L10)에 하위로부터 점등신호를 출력하고 반복하여 출력상태를 갱신하는 것이다.As described above, when the current is supplied to the vehicle speed calculating microcomputer after starting the vehicle, the counter IC 2 is initialized by applying the L voltage to the reset terminal MCLR within the time constant of the resistor 22 and the capacitor 23. When the pulse of the vehicle speed pulse generator 1 is amplified by the amplifier 3 and supplied to the F-IN terminal of the vehicle speed calculation microcomputer 2, the vehicle speed calculation microcomputer 2 counts the input pulse and calculates the vehicle speed. According to the vehicle speed, the lighting signal is output from the lower level to the output pins L0-L10, and the output state is repeatedly updated.
따라서 본 고안은 서행 또는 정지상태에서 저위 적색램프열을 점등하는 것이고, 차속이 증가하면 적색램프열은 소등한 후 저위로부터 상위에 이르는 10단계의 녹색램프열충 차속에 대응하는 램프열을 차례로 점등하는 것이고, 차속이 감소하게되면 상위로부터 녹색램프열을 차례로 소등하여 차속의 변동 동작을 점등면적의 변동 동작으로 표시 하므로써 후방 차량이 충동사고를 감소 할 수 있으며, 마이콤이 차속펄스를 계수하고 차속을 계산하여 점등신호를 출력하는 간단한 구성이므로 기존의 출고된 차량에 부가설치하여 사용할 수 있는 실용적인 고안이다.Therefore, the present invention illuminates the low level red lamp row in a slow or stopped state, and when the vehicle speed increases, the red lamp row turns off and then turns on the lamp row corresponding to the green lamp heat vehicle speed of 10 stages from low to high. When the vehicle speed decreases, the rear vehicle can reduce the impulse accident by turning off the green lamp train from the top one by one, and display the fluctuation of the vehicle speed as the motion of the lighting area, and the microcomputer counts the vehicle speed pulse and calculates the vehicle speed. Because it is a simple configuration that outputs a light signal, it is a practical design that can be installed and used in the existing shipped vehicle.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR92007494U KR950008045Y1 (en) | 1992-05-04 | 1992-05-04 | Speed display lamp device for autocars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR92007494U KR950008045Y1 (en) | 1992-05-04 | 1992-05-04 | Speed display lamp device for autocars |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR930025429U KR930025429U (en) | 1993-12-20 |
| KR950008045Y1 true KR950008045Y1 (en) | 1995-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR92007494U KR950008045Y1 (en) | 1992-05-04 | 1992-05-04 | Speed display lamp device for autocars |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR950008045Y1 (en) |
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1992
- 1992-05-04 KR KR92007494U patent/KR950008045Y1/en not_active IP Right Cessation
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| Publication number | Publication date |
|---|---|
| KR930025429U (en) | 1993-12-20 |
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