KR970040603A - Solenoid valve failure detection means of anti-lock braking system - Google Patents

Solenoid valve failure detection means of anti-lock braking system Download PDF

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Publication number
KR970040603A
KR970040603A KR1019950072183A KR19950072183A KR970040603A KR 970040603 A KR970040603 A KR 970040603A KR 1019950072183 A KR1019950072183 A KR 1019950072183A KR 19950072183 A KR19950072183 A KR 19950072183A KR 970040603 A KR970040603 A KR 970040603A
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KR
South Korea
Prior art keywords
solenoid valve
point
braking system
lock braking
microcomputer
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Application number
KR1019950072183A
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Korean (ko)
Inventor
김용선
Original Assignee
박기영
대우기전공업 주식회사
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Publication date
Application filed by 박기영, 대우기전공업 주식회사 filed Critical 박기영
Priority to KR1019950072183A priority Critical patent/KR970040603A/en
Publication of KR970040603A publication Critical patent/KR970040603A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Regulating Braking Force (AREA)

Abstract

본 발명은 앤티록제동시스템의 솔레노이트밸브고장검출수단에 관한 것으로서, 앤티록제동제어부를 구성하는 수단에서 주제어수단인 마이컴(E.C.U.:1)을 구비하고, 상기의 마이컴(M)에는 솔레노이드밸브(10)를 구동하는 구동트랜지스터(11)에 제어신호를 보내는 드라이브부(21)를 가지며 출력단에 경고등(13)을 구비하는 앤티록제동시스템에 있어서; 상기 마이컴(M)과 솔레노이드밸브(10)의 양단사이에 전압모니터링부(20)를 가지고, 상기 마이컴(M)은 전압모니터링부(20)에 의하여 검출된 전압레벨을 기준으로 솔레노이드밸브(10)의 고장발생여부를 판단하되, 상기 솔레노이드밸브(10)가 정상이고 작동을 하지 않는 제어에서는 A점은 HIGH, B점도 HIGH 신호를 검출하여 정상임을 판단하고, 솔레노이드밸브(10)가 정상이고 작동제어 상태에서는 A점은 HIGH, B점은 LOW로서 정상임을 판단하며, 비작동시의 A점이 HIGH, B점이 LOW이면 솔레노이드밸브(10)가 단선상태임을 감지하고 작동시의 A점이 HIGH, B점이 HIGH이면 솔레노이드밸브(10)가 단락상태임을 마이컴(M)이 감지하는 것을 특징으로 하여; 본 발명의 앤티록제동시스템의 솔레노이드밸브고장검출수단은 센서뿐만 아니고 전체 검출부의 회로의 단락을 검출하게 함으로서 제동시의 스키드를 방지하게 하는 앤티록제동시스템의 고장시 조기에 발견하여 수리할수 있게 하는 것을 목적으로 한다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a solenoid valve failure detecting means of an antilock braking system, comprising a microcomputer (ECU: 1) as a main control means in the means constituting the antilock braking control unit, wherein the microcomputer (M) has a solenoid valve. An anti-lock braking system having a drive section (21) for sending a control signal to a drive transistor (11) for driving (10) and having a warning light (13) at an output end thereof; The voltage monitoring unit 20 is provided between both ends of the microcomputer M and the solenoid valve 10, and the microcomputer M has the solenoid valve 10 based on the voltage level detected by the voltage monitoring unit 20. In the control of the solenoid valve 10 is normal and does not operate, it is determined that the point A is normal by detecting the signal HIGH, the point B is high, and the solenoid valve 10 is normal and operating control. In this state, A point is HIGH and B point is LOW and it is normal.If A point is HIGH during non-operation, B point is LOW, it detects that solenoid valve 10 is disconnected. Characterized in that the microcomputer (M) detects that the solenoid valve 10 is a short circuit state; The solenoid valve fault detection means of the anti-lock braking system of the present invention detects short-circuits not only in the sensor but also in the circuit of the entire detection unit, so that the anti-lock braking system can be detected and repaired early in the event of failure of the anti-lock braking system. For the purpose of

(선택도면:제1도)(Selective drawing: drawing 1)

Description

앤티록제동시스템의 솔레노이드밸브고장검출수단Solenoid valve failure detection means of anti-lock braking system

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

제1도는 본 발명의 앤티록제동시스템의 솔레노이드밸브고장검출수단을 구현한 일실시예의 구성도이다.1 is a configuration diagram of an embodiment of the solenoid valve failure detection means of the anti-lock braking system of the present invention.

Claims (4)

앤티록제동제어부를 구성하는 수단에서 주제어수단인 마이컴(E.C.U.:1)을 구비하고, 상기의 마이컴(M)에는 솔레노이드밸브(10)를 구동하는 구동트랜지스터(11)에 제어신호를 보내는 드라이브부(21)를 가지며 출력단에 경고등(13)을 구비하는 앤티록제동시스템에 있어서; 상기 마이컴(M)과 솔레노이드밸브(10)의 양단 사이에 전압모니터링부(20)를 가지고, 상기 마이컴(M)은 전압모니터링부(20)에 의하여 검출된 전압레벨을 기준으로 솔레노이드밸브(10)의 고장발생여부를 판단하게 하는 것을 특징으로 하는 앤티록제동시스템의 솔레노이드밸브고장검출수단.A drive unit for providing a control signal to a drive transistor 11 for driving the solenoid valve 10 is provided with a microcomputer (ECU: 1), which is a main control means, in the means for configuring the anti-lock braking control unit. 21. An anti-lock braking system having a warning lamp (21) and having a warning light (13) at its output stage; The voltage monitoring unit 20 is disposed between both ends of the microcomputer M and the solenoid valve 10, and the microcomputer M has the solenoid valve 10 based on the voltage level detected by the voltage monitoring unit 20. Solenoid valve failure detection means of the anti-lock braking system, characterized in that to determine whether the failure of the. 제1항에 있어서, 상기 전압모니터링부(20)는 전압검출수단인것을 특징으로 하는 앤티록제동시스템의 솔레노이드밸브고장검출수단.2. The solenoid valve fault detection means of the anti-lock braking system according to claim 1, wherein the voltage monitoring part is a voltage detection means. 제1항에 있어서, 상기 밧데리(12)의 A점에서의 전압과 솔레노이드밸브(10)의 B점에서의 전압레벨을 검출하는 전압모니터링부(20)가 솔레노이드밸브(10)의 작동에 상관없이 항상 검출하는 것을 특징으로 하는 앤티록제동시스템의 솔레노이드밸브고장검출수단.The voltage monitoring unit 20 for detecting the voltage at the point A of the battery 12 and the voltage level at the point B of the solenoid valve 10 is independent of the operation of the solenoid valve 10. Solenoid valve failure detection means of the anti-lock braking system, characterized in that it always detects. 제1항에 있어서, 솔레노이드밸브(10)가 정상이고 작동을 하지 않는 제어에서는 A점은 HIGH, B점도 HIGH신호를 검출하여 정상임을 판단하고, 솔레노이드밸브(10)가 정상이고 작동제어상태에서는 A점은 HIGH, B점은 LOW로서 정상임을 판단하며, 비작동시의 A점이 HIGH, B점이 LOW이면 솔레노이드밸브(10)가 단선상태임을 감지하고, 작동시의 A점이 HIGH, B점이 HIGH이면 솔레노이드밸브(10)가 단락상태임을 마이컴(M)이 감지하는 것을 특징으로 하는 앤티록제동시스템의 솔레노이드밸브고장검출수단.According to claim 1, the solenoid valve 10 is normal and in the non-operation control point A is detected by detecting the HIGH, B viscosity HIGH signal, it is determined that the solenoid valve 10 is normal and in operation control state A Point is HIGH, B point is LOW and it is normal.If A point is HIGH during non-operation, B point is LOW, it detects that solenoid valve 10 is disconnected, and if A point is high and B point is high, solenoid Solenoid valve failure detection means of the anti-lock braking system, characterized in that the microcomputer (M) detects that the valve 10 is a short circuit state. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950072183A 1995-12-27 1995-12-27 Solenoid valve failure detection means of anti-lock braking system KR970040603A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950072183A KR970040603A (en) 1995-12-27 1995-12-27 Solenoid valve failure detection means of anti-lock braking system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950072183A KR970040603A (en) 1995-12-27 1995-12-27 Solenoid valve failure detection means of anti-lock braking system

Publications (1)

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KR970040603A true KR970040603A (en) 1997-07-24

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100721384B1 (en) * 2001-12-20 2007-05-23 주식회사 만도 A signal processing unit of vehicles speed
WO2009059079A2 (en) * 2007-10-31 2009-05-07 Kelsey-Hayes Company Method to detect shorted solenoid coils

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100721384B1 (en) * 2001-12-20 2007-05-23 주식회사 만도 A signal processing unit of vehicles speed
WO2009059079A2 (en) * 2007-10-31 2009-05-07 Kelsey-Hayes Company Method to detect shorted solenoid coils
WO2009059079A3 (en) * 2007-10-31 2009-07-16 Kelsey Hayes Co Method to detect shorted solenoid coils
CN101873951B (en) * 2007-10-31 2013-06-26 凯尔西-海耶斯公司 Method to detect shorted solenoid coils

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