KR100207838B1 - A vehicle fire-prevention device with electric-circuit short warning system - Google Patents

A vehicle fire-prevention device with electric-circuit short warning system Download PDF

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KR100207838B1
KR100207838B1 KR1019960076147A KR19960076147A KR100207838B1 KR 100207838 B1 KR100207838 B1 KR 100207838B1 KR 1019960076147 A KR1019960076147 A KR 1019960076147A KR 19960076147 A KR19960076147 A KR 19960076147A KR 100207838 B1 KR100207838 B1 KR 100207838B1
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fire
voltage
electric
ecu
microprocessor
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KR1019960076147A
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Korean (ko)
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KR19980056877A (en
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최은록
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정몽규
현대자동차주식회사
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    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion
    • G08B17/06Electric actuation of the alarm, e.g. using a thermally-operated switch
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C3/00Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/07Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C3/00Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/16Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • B60R16/0231Circuits relating to the driving or the functioning of the vehicle
    • B60R16/0232Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00Audible signalling systems; Audible personal calling systems
    • G08B3/10Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission

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  • Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Electromagnetism (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Fire Alarms (AREA)

Abstract

본 발명은 차량의 전장부에서 회로의 쇼트로 인하여 화재가 발생되는 것을 방지하기 위한 것으로서, 더욱 구체적으로는 차량의 전장부에서 전기장치의 쇼트로 인하여 화재가 발생되는 것을 감지하고 화재발생을 사전에 차단하도록 구성된 전기쇼트로인한 화재발생 방지장치에 관한 것이다.The present invention is to prevent the fire caused by the short circuit of the circuit in the electronic parts of the vehicle, more specifically, to detect the fire caused by the short circuit of the electrical device in the electronic parts of the vehicle and to prevent the fire in advance A fire prevention apparatus due to an electric short configured to shut off.

본 발명의 전기쇼트로인한 화재발생 방지장치는, 전기장치 및 ECU(1)에 병렬로 연결되는 모니터용 전압감지저항(R)과, 상기 전압감지저항(R)의 양단전압변화를 감지하여 A/D변환시키는 A/D변환기(3)와, 상기 A/D변환기(3)로부터 입력되는 전압값을 사용하여 전기장치 및 ECU(1)의 상태를 감지하기 위한 마이크로프로세서(5)와, 상기 마이크로프로세서(5)로부터의 제어신호전압에 의하여 (B+) 전원의 공급을 온/오프제어하도록 설치된 온/오프스위치(9)와, 운전자에게 화재경보를 알리기 위한 경보스피커(7)로 구성됨을 특징으로 한다.Fire prevention device due to the electric short of the present invention, the voltage sensing resistor (R) for the monitor connected in parallel to the electrical device and the ECU (1), and the voltage change of both ends of the voltage sensing resistor (R) is A An A / D converter 3 for converting / D, a microprocessor 5 for sensing the state of the electric device and the ECU 1 using the voltage value input from the A / D converter 3, and An on / off switch 9 installed to control the supply of (B +) power by the control signal voltage from the microprocessor 5, and an alarm speaker 7 for informing a driver of a fire alarm. It is done.

Description

전기쇼트로인한 화재발생 방지장치Fire prevention device due to electric short

본 발명은 차량의 전장부에서 회로의 쇼트로 인하여 화재가 발생되는 것을 방지하기 위한 것으로서, 더욱 구체적으로는 차량의 전장부에서 전기장치의 쇼트로 인하여 화재가 발생되는 것을 감지하고 화재발생을 사전에 차단하도록 구성된 전기쇼트로인한 화재발생 방지장치에 관한 것이다.The present invention is to prevent the fire caused by the short circuit of the circuit in the electronic parts of the vehicle, more specifically, to detect the fire caused by the short circuit of the electrical device in the electronic parts of the vehicle and to prevent the fire in advance A fire prevention apparatus due to an electric short configured to shut off.

차량에는 다양한 형태의 구동부를 포함하고 있으며 이러한 구동부를 작동시키고 제어하기 위하여 전장품을 다수 사용하고 있다. 특히 차량의 조명시스템과 제어시스템에는 각종의 전기장치 및 ECU가 사용된다. 상기와 같은 전기장치 및 ECU는 통상 하나의 기판상에 적재되며 동일한 전원(B+)을 공급받도록 구성되어 있다.The vehicle includes various types of driving units, and many electric appliances are used to operate and control the driving units. In particular, various electric devices and ECUs are used for lighting systems and control systems of vehicles. Such electrical devices and ECUs are typically mounted on a single substrate and configured to receive the same power source B +.

그러나 상기와 같은 전장부에서는 사용중에 회로가 쇼트되고 이로 인하여 화재발생가능성이 상존하고 있다. 화재가 발생되면 전장품이 파손되므로 차량의 제어가 불가능해져서 교통사고의 원인이 되며 인명사고로 발전하기도 한다.However, in the electric parts as described above, the circuit is shorted during use, and thus there is a possibility of a fire. If a fire breaks out, the electrical equipment is damaged, which makes it impossible to control the vehicle, causing traffic accidents and developing into casualties.

본 발명은 상기와 같은 문제점을 해결하기 위하여 안출된 것으로서, 본 발명의 목적은 차량의 전장부에서 전기장치의 쇼트로 인하여 화재가 발생되는 것을 감지하고 화재발생을 사전에 차단하도록 구성된 전기쇼트로인한 화재발생 방지장치를 제공하는데 있다.The present invention has been made to solve the above problems, an object of the present invention is to detect the occurrence of a fire due to the short circuit of the electrical device in the electrical equipment of the vehicle due to the electrical short configured to block the fire in advance It is to provide a fire prevention device.

상기 목적을 달성하기 위한 본 발명의 전기쇼트로인한 화재발생 방지장치는, 전기장치 및 ECU에 병렬로 연결되는 모니터용 전압감지저항(R)과, 상기 전압감지저항(R)의 양단전압변화를 감지하여 A/D변환시키는 A/D변환기와, 상기 A/D변환기로부터 입력되는 전압값을 사용하여 전기장치 및 ECU의 상태를 감지하기 위한 마이크로프로세서와, 상기 마이크로프로세서로부터의 제어신호전압에 의하여 (B+) 전원의 공급을 온/오프제어하도록 설치된 온/오프스위치와, 운전자에게 화재경보를 알리기 위한 경보스피커로 구성됨을 특징으로 한다.An apparatus for preventing fire caused by an electric short of the present invention for achieving the above object includes a voltage sensing resistor (R) for monitoring connected in parallel to an electrical device and an ECU, and a voltage change across both ends of the voltage sensing resistor (R). An A / D converter for sensing and converting A / D, a microprocessor for sensing a state of an electric device and an ECU using a voltage value input from the A / D converter, and a control signal voltage from the microprocessor. (B +) It is characterized by consisting of an on / off switch installed to control the power supply on / off, and an alarm speaker to notify the driver of the fire alarm.

도 1은 본 발명의 전기쇼트로인한 화재발생 방지장치가 설치된 종래 전장부의 개략적인 배선도이다.Figure 1 is a schematic wiring diagram of a conventional electrical unit is provided with a fire prevention apparatus due to the electric short of the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 전기장치 및 ECU 3 : A/D변환기1: Electric Device and ECU 3: A / D Converter

5 : 마이크로프로세서 7 : 경보스피커5 microprocessor 7 alarm speaker

9 : 온/오프스위치 11: 보조전원9: on / off switch 11: auxiliary power

R : (전압감지)저항R: (voltage sensing) resistance

이하 첨부된 도면을 참고하여 본 발명의 전기쇼트로인한 화재발생 방지장치를 상세히 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings will be described in detail the fire prevention device caused by the electric short of the present invention.

도 1은 종래의 전기장치 및 ECU(1)에 연결된 본 발명의 화재발생 방지장치의 배선도이다. 상세히 도시되지 않았지만 전기장치 및 ECU(1)에는 차량의 각각의 부위에 설치되는 램프, 감지센서, 오디오세트 등과의 신호송수신 및 전원공급을 위한 다수의 전선들이 연결되어 있다.1 is a wiring diagram of a fire prevention apparatus of the present invention connected to a conventional electric apparatus and the ECU 1. Although not shown in detail, the electric device and the ECU 1 are connected with a plurality of wires for signal transmission and power supply to lamps, detection sensors, audio sets, and the like, which are installed at respective parts of the vehicle.

본 발명에 의하면 상기 전기장치 및 ECU(1)에 작동전원을 공급하는 B+ 단자측에 B+ 전원공급을 제어할 수 있는 온/오프스위치(9)가 설치되어 있다. 화재발생의 위험이 있는 경우에는 상기 온/오프스위치(9)를 제어하여 전원공급을 차단함으로서 미리 화재를 예방할 수 있다.According to the present invention, an on / off switch 9 capable of controlling the B + power supply is provided on the B + terminal side for supplying the operating power to the electric device and the ECU 1. If there is a risk of fire can be prevented in advance by controlling the on / off switch 9 to cut off the power supply.

또한 B+ 전원공급단자와 접지(ground) 단자 사이에 상기 전기장치 및 ECU(1) 유닛과 병렬로 저항(R)을 연결한다. 상기 저항(R)은 화재발생을 감지하는데 사용되는 모니터용 전압을 검출하기 위한 것이다.In addition, a resistor R is connected in parallel with the electric device and the ECU 1 unit between the B + power supply terminal and the ground terminal. The resistor R is for detecting a voltage for a monitor used to detect a fire occurrence.

예를 들어서, 정상적인 상태에서 발생되는 B+ 단자와 접지단자 사이의 전압과, 쇼트(short)에 의하여 발생되는 B+단자와 접지단자 사이의 전압과는 차이가 있으므로 본 발명에서는 이러한 전압차이를 감지하여 이상상태를 판단한다.For example, since there is a difference between the voltage between the B + terminal and the ground terminal generated in a normal state, and the voltage between the B + terminal and the ground terminal generated by a short, the present invention senses such a voltage difference. Determine the state.

상기와 같이 연결된 저항(R)의 양단전압은 A/D변환기(3)에 의하여 감지된다. 상기 전압은 주지하는 바와 같이 아날로그형태의 신호전압이므로 A/D변환기(3)에 의하여 디지탈형태의 신호전압으로 변조된다.The voltage across both ends of the resistor R connected as described above is sensed by the A / D converter 3. Since the voltage is an analog signal voltage as is well known, it is modulated by the A / D converter 3 into a digital signal voltage.

이렇게 변조된 신호전압은 본 발명의 장치를 조정하는 제어부인 마이크로프로세서(5)에 입력된다. 상기 마이크로프로세서(5)에서는 입력되는 디지탈형태의 신호전압을 사용하여 현재 전기장치 및 ECU(1) 유닛의 상태를 감지하게 된다. 이것은 마이프로프로세서(5)에 미리 내장된 기준전압을 사용하여 비교하게 된다. 즉 전기장치 및 ECU(1) 유닛이 정상적으로 작동되는 상태에서의 전압값을 미리 측정에 의하여 구한 후에 메모리에 데이터로서 저장하여 사용한다.The modulated signal voltage is input to the microprocessor 5, which is a control unit for controlling the apparatus of the present invention. The microprocessor (5) detects the state of the current electric device and the ECU (1) unit using the input signal voltage of the digital form. This is compared using a reference voltage pre-built in the microprocessor 5. In other words, the voltage value in the state where the electric device and the ECU 1 unit are normally operated are obtained by measurement in advance, and then stored and used as data in the memory.

그러나 통상적으로 측정된 저항(R)의 양단전압이 현저하게 감소하거나 또는 0 V를 나타내면 이상발생으로 판단하여 화재발생위험이 있는 것으로 인식하게 되는 것이다. 전기장치 및 ECU(1) 유닛에서 화재발생위험이 있는 것으로 판단되면 마이크로프로세서(5)는 즉시 제어신호를 출력하여 B+전원전압을 차단한다. 이것은 B+전압단자에 연결되어 있는 온/오프스위치(9)를 제어하여 수행될 수 있는 것이다.However, if the voltage across both ends of the measured resistance (R) is markedly reduced or indicates 0 V, it is determined that there is a risk of fire due to an abnormality. If it is determined that there is a risk of fire in the electrical device and the ECU 1 unit, the microprocessor 5 immediately outputs a control signal to cut off the B + power supply voltage. This can be done by controlling the on / off switch 9 connected to the B + voltage terminal.

동시에 마이크로프로세서(5)에서는 운전자에게 화재발생의 위험을 경고하기 위하여 경보스피커(7)를 통하여 특정음성이나 경고음을 출력하여 경고하게 되는 것이다. 그 후에 운전자가 화재경고음을 인식하고 차량을 정지시키게 되면 마이크로프로세서(5)에서는 차량의 정지를 확인한 후에 차량의 주행에 필요한 알터네이터 전원을 차단하도록 제어신호를 출력하는 것이다.At the same time, the microprocessor 5 outputs a specific voice or a warning sound through the alarm speaker 7 to warn the driver of a risk of fire. After that, when the driver recognizes the fire warning sound and stops the vehicle, the microprocessor 5 outputs a control signal to cut off the alternator power required for driving the vehicle after confirming the stop of the vehicle.

운전자는 상기와 같이 하여 차량의 전기장치 및 ECU(1) 유닛에서 화재발생위험을 경고받은 후에 수리에 필요한 조치를 취할 수 있는 것이다.The driver can take necessary measures for repair after being warned of the risk of fire in the vehicle's electric device and the ECU 1 unit as described above.

상기와 같이 본 발명에 의하면 차량의 전장부에서 전기장치의 쇼트로 인하여 화재가 발생되는 것을 감지하고 화재발생을 사전에 차단할 수 있는 이점이 있는 것이다.According to the present invention as described above there is an advantage that can detect the fire caused by the short circuit of the electrical device in the electrical equipment of the vehicle and can block the fire in advance.

본 발명은 기재된 구체예에 대해서만 상세히 설명되었지만 본 발명의 사상과 범위내에서 변형이나 변경할 수 있음은 본 발명이 속하는 분야의 당업자에게는 명백한 것이며, 그러한 변형이나 변경은 첨부한 특허청구범위에 속한다 할 것이다.Although the invention has been described in detail only with respect to the described embodiments, it will be apparent to those skilled in the art that modifications and variations can be made within the spirit and scope of the invention, and such variations or modifications will belong to the appended claims. .

Claims (2)

전기장치 및 ECU(1)에 병렬로 연결되는 모니터용 전압감지저항(R)과, 상기 전압감지저항(R)의 양단전압변화를 감지하여 A/D변환시키는 A/D변환기(3)와, 상기 A/D변환기(3)로부터 입력되는 전압값을 사용하여 전기장치 및 ECU(1)의 상태를 감지하기 위한 마이크로프로세서(5)와, 상기 마이크로프로세서(5)로부터의 제어신호전압에 의하여 (B+) 전원의 공급을 온/오프제어하도록 설치된 온/오프스위치(9)와, 운전자에게 화재경보를 알리기 위한 경보스피커(7)로 구성됨을 특징으로 하는 전기쇼트로인한 화재발생 방지장치.A monitor voltage sensing resistor (R) connected in parallel to the electrical device and the ECU (1), an A / D converter (3) for detecting A / D conversion of a voltage change across both ends of the voltage sensing resistor (R), By the microprocessor 5 for detecting the state of the electric device and the ECU 1 using the voltage value input from the A / D converter 3, and by the control signal voltage from the microprocessor 5 ( B +) Fire prevention device due to electric short, characterized in that it consists of an on / off switch (9) installed to control the supply of power on / off, and an alarm speaker (7) for informing the driver of the fire alarm. 제1항에 있어서, 상기 전압감지저항(R)이 전기장치 및 ECU(1)에 전원을 공급하는 B+ 전원공급단자와 접지단자 사이에 연결되는 것을 특징으로 하는 전기쇼트로인한 화재발생 방지장치.The fire prevention device according to claim 1, wherein the voltage sensing resistor (R) is connected between an electric device and a B + power supply terminal for supplying power to the ECU (1) and a ground terminal.
KR1019960076147A 1996-12-30 1996-12-30 A vehicle fire-prevention device with electric-circuit short warning system KR100207838B1 (en)

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KR1019960076147A KR100207838B1 (en) 1996-12-30 1996-12-30 A vehicle fire-prevention device with electric-circuit short warning system

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