KR200167967Y1 - An apparatus preventing a parking brake from being operated by mistake on a slope - Google Patents

An apparatus preventing a parking brake from being operated by mistake on a slope Download PDF

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Publication number
KR200167967Y1
KR200167967Y1 KR2019960049207U KR19960049207U KR200167967Y1 KR 200167967 Y1 KR200167967 Y1 KR 200167967Y1 KR 2019960049207 U KR2019960049207 U KR 2019960049207U KR 19960049207 U KR19960049207 U KR 19960049207U KR 200167967 Y1 KR200167967 Y1 KR 200167967Y1
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KR
South Korea
Prior art keywords
brake
parking
brake lever
signal
transistor
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KR2019960049207U
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Korean (ko)
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KR19980036209U (en
Inventor
강동민
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정몽규
현대자동차주식회사
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Priority to KR2019960049207U priority Critical patent/KR200167967Y1/en
Publication of KR19980036209U publication Critical patent/KR19980036209U/en
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Publication of KR200167967Y1 publication Critical patent/KR200167967Y1/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
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/18—Safety devices; Monitoring
    • B60T17/22—Devices for monitoring or checking brake systems; Signal devices
    • 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
    • B60T7/00—Brake-action initiating means
    • B60T7/02—Brake-action initiating means for personal initiation
    • B60T7/08—Brake-action initiating means for personal initiation hand actuated
    • B60T7/085—Brake-action initiating means for personal initiation hand actuated by electrical means, e.g. travel, force sensors
    • 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
    • B60T8/17—Using electrical or electronic regulation means to control braking
    • B60T8/171—Detecting parameters used in the regulation; Measuring values used in the regulation
    • 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
    • B60T8/17—Using electrical or electronic regulation means to control braking
    • B60T8/172—Determining control parameters used in the regulation, e.g. by calculations involving measured or detected parameters
    • 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
    • B60T8/24—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to vehicle inclination or change of direction, e.g. negotiating bends
    • B60T8/245—Longitudinal vehicle inclination
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2302/00—Responses or measures related to driver conditions
    • B60Y2302/03—Actuating a signal or alarm device

Abstract

본 고안은 경사길 주차시 주차브레이크 오조작 방지장치에 관한 것으로, 브레이크레버(10), 브레이크로드(20) 및 브레이크섹터(30)로 이루어진 통상의 주차브레이크에 있어서, 브레이크가 완전히 체결되었는지 그 체결여부를 판단할 수 있도록 상기 브레이크레버(10)의 회동반경 끝단에 리미트스위치(40)를 설치하고, 차량의 소정위치에 경사각센서(50)가 설치되며 상기 센서에서 출력된 신호를 논리곱처리하여 주차브레이크 체결 미비를 경보하여 운전자가 이를 인식할 수 있도록 함으로써 사고를 예방할 수 있다.The present invention relates to a parking brake erroneous operation prevention device for parking on a slope, in the conventional parking brake consisting of the brake lever 10, the brake rod 20 and the brake sector 30, whether the brake is fully engaged or not The limit switch 40 is installed at the end of the rotation radius of the brake lever 10 so that the brake lever 10 can be determined, and the inclination angle sensor 50 is installed at a predetermined position of the vehicle. Accidents can be prevented by alerting the brakes to fail and allowing the driver to recognize them.

Description

경사길 주차시 주차브레이크 오조작 방지장치Parking brake misoperation prevention device for parking on slopes

본 고안은 자동차 주차브레이크에 관한 것으로, 특히 차량을 경사길에 주차할 경우 주차브레이크의 체결상태를 감지하여 잘못된 브레이크 체결을 경보하는 경사길 주차시 브레이크 오조작 방지장치에 관한 것이다.The present invention relates to an automobile parking brake, and more particularly, to a brake misoperation preventing device during parking on an inclined road that detects a fastening state of the parking brake and alerts an incorrect brake connection when the vehicle is parked on an inclined road.

일반적으로 자동차에는 발로 조작하는 풋브레이크, 변속기어를 조작하여 제동하는 엔진브레이크 그리고 주. 정차시 운전석과 조수석 사이에 구비되어 풋브레이크용 슈를 기계적으로 확장하여 제동하는 주차브레이크가 설치되어 있다.In general, automobiles have foot brakes, foot brakes and engine brakes. The parking brake is provided between the driver's seat and the front passenger's seat to mechanically extend and brake the foot brake shoe.

일예로 상기 주차브레이크는 도1과 같이 통상 운전자가 주. 정차시 손으로 브레이크레버(10)를 상방으로 잡아 당기면 브레이크로드(20)와 연동하는 브레이크섹터(30)가 회전하면서 브레이크슈(도면 생략됨)와 연설된 와이어를 인출하여 제동을 걸게 된다.For example, the parking brake is normally provided by a driver as shown in FIG. 1. When the brake lever 10 is pulled upward by hand when the vehicle is stopped, the brake sector 30 which interlocks with the brake rod 20 rotates to draw the brake shoe (not shown) and the drawn wire to apply braking.

상기 주차브레이크는 주로 언덕길 주차시 차량이 밀리는 것을 방지하기 위해 사용되는데, 운전자가 주차브레이크를 완전히 채우지 않을 경우 제동력이 충분히 발생하지 않기 때문에 차량 후방의 약한 충돌에 의해서 혹은 자연적으로 차량이 굴러 내려가 예기치 못한 사고가 발생하는 문제점이 있다.The parking brake is mainly used to prevent the vehicle from being pushed when parked on a hill road. If the driver does not fully fill the parking brake, the braking force is not sufficiently generated. There is a problem that an accident occurs.

본 고안은 이러한 점을 감안하여 안출된 것으로, 특히 언덕길 주차시 주차브레이크 체결이 완전히 이루어지지 않을 경우 경보하여 브레이크 제동력 미흡으로 발생할 수 있는 사고를 미연에 방지할 수 있는 경사길 주차시 주차브레이크 오조작 방지장치를 제공하는데 그 목적이 있다.The present invention has been devised in view of this point, and especially when the parking brake is not fully engaged in hillside parking, it prevents parking brake misoperation during incline parking, which can prevent accidents caused by insufficient brake braking force. The purpose is to provide a device.

이러한 목적을 달성하기 위한 본 고안의 경사길 주차시 주차브레이크 오조작 방지장치는 주차지역의 일정각도 이상의 경사도를 감지하는 경사각센서와, 브레이크레버의 체결상태를 감지하는 브레이크레버 감지수단과, 상기 경사각센서와 브레이크레버 감지수단에서 인가된 신호를 논리곱 처리하여 제어신호를 출력하는 신호처리수단과, 상기 신호처리수단에서 출력된 신호에 의해 제어되는 경보수단으로 구성됨을 특징으로 한다.Parking brake erroneous operation prevention device for parking the inclined road of the present invention for achieving this purpose, the inclination angle sensor for detecting the inclination of the parking area more than a certain angle, the brake lever detection means for detecting the engagement state of the brake lever, the inclination angle sensor And a signal processing means for outputting a control signal by performing an AND operation on the signal applied by the brake lever detection means, and an alarm means controlled by the signal output from the signal processing means.

상기 브레이크레버 감지수단은 브레이크레버의 회동반경상에 리미트스위치가 설치됨을 특징으로 한다.The brake lever detecting means is characterized in that the limit switch is installed on the rotation radius of the brake lever.

상기 신호처리수단은 경사각센서의 감지신호에 의해 구동하는 제1트랜지스터와, 상기 제1트랜지스터의 콜렉터에 접속되어 경보수단에 인가되는 전원을 단속하는 제1릴레이와, 상기 브레이크레버 감지수단의 감지신호에 의해 구동하는 제2트랜지스터와, 상기 제2트랜지스터의 콜렉터에 접속되어 제1릴레이에 인가되는 전원을 단속하는 제2릴레이로 구성됨을 특징으로 한다.The signal processing means includes a first transistor driven by a detection signal of an inclination angle sensor, a first relay connected to a collector of the first transistor to control power applied to an alarm means, and a detection signal of the brake lever detection means. And a second relay connected to the collector of the second transistor to control the power applied to the first relay.

상기 신호처리수단은 경사각센서에서 출력된 신호와 브레이크레버 감지수단에서 출력된 반전신호를 입력으로 하는 앤드게이트와, 상기 앤드게이트의 출력신호에 의해 구동하여 경보수단에 인가되는 전원을 단속하는 트랜지스터로 구성됨을 특징으로 한다.The signal processing means includes an AND gate inputting a signal output from the inclination angle sensor and an inverted signal output from the brake lever sensing means, and a transistor for driving power applied to the alarm means by driving the output signal of the AND gate. Characterized in that configured.

이러한 구성에 의하면, 본 고안은 언덕길에서 주차할 경우 운전자가 주차브레이크를 완전히 체결하지 않을 경우 경보신호가 송출되어 운전자의 주의를 환기시켜 사고를 예방할 수 있다.According to this configuration, when the parking lot is parked on the hill road when the driver does not fully engage the parking brake, the alarm signal is sent to the driver's attention can be prevented to prevent accidents.

제1도는 본 고안에 따른 주차브레이크 제동경보장치를 보인 회로도.1 is a circuit diagram showing a parking brake braking alarm device according to the present invention.

제2도는 본 고안의 다른 실시예를 보인 회로도.2 is a circuit diagram showing another embodiment of the present invention.

〈도면의 주요부분에 대한 부호의 설명〉<Explanation of symbols for main parts of drawing>

10 : 브레이크레버 20 : 브레이크로드10: brake lever 20: brake rod

30 : 브레이크섹터 40 : 리미트스위치30: brake sector 40: limit switch

50 : 경사각센서 60 : 경보부50: inclination angle sensor 60: alarm unit

RY1, RY2 : 릴레이 Q1-Q3 : 트랜지스터RY1, RY2: Relay Q1-Q3: Transistor

G1 : 인버터 G2 : 앤드게이트G1: Inverter G2: Endgate

이하, 본 고안의 바람직한 실시예를 첨부된 도면을 통해 상세하게 설명하면 다음과 같다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도1는 본 고안의 실시예에 따른 주차브레이크 오조작 방지장치를 보인 회로도로써, 브레이크레버(10), 브레이크로드(20) 및 브레이크섹터(30)로 이루어진 통상의 주차브레이크에 있어서, 브레이크가 완전히 체결되었는지 그 체결여부를 판단할 수 있도록 상기 브레이크레버(10)의 회동반경 끝단에 리미트스위치(40)를 설치하여, 브레이크레버(10)가 상기 리미트스위치(40)에 접속될 경우 완전히 브레이크가 체결된 것으로 판단하게 된다.1 is a circuit diagram showing a parking brake erroneous operation prevention apparatus according to an embodiment of the present invention, in the conventional parking brake consisting of the brake lever 10, the brake rod 20 and the brake sector 30, the brake is completely The limit switch 40 is installed at the end of the rotation radius of the brake lever 10 so that the brake lever 10 can be connected to the limit switch 40 when the brake lever 10 is connected to the limit switch 40. Will be judged.

또한 차량의 소정위치에 경사각센서(50)를 설치하여 차량의 기울기를 통해 도로의 경사각을 측정하게 되며, 상기 경사각센서(50)는 일정이상의 경사도에서만 "하이레벨"신호를 출력하도록 되어 있다.In addition, by installing the inclination angle sensor 50 at a predetermined position of the vehicle to measure the inclination angle of the road through the inclination of the vehicle, the inclination angle sensor 50 is to output a "high level" signal only at a predetermined inclination or more.

본 고안은 상기 리미트스위치(40)와 경사각센서(50)에서 출력된 신호를 후술할 신호처리수단에서 조합하여 브레이크 체결상태를 판단하게 되는데, 상기 신호처리수단은 리미트스위치(40)의 출력신호에 의헤 제어되는 트랜지스터(Q1)의 콜렉터단자에 릴레이(RY1)를 설치하여 경보부(60)에 인가되는 전원을 단속하게 되며, 또한 경사각센서(50)의 출력신호에 의해 제어되는 트랜지스터(Q2)의 콜렉터단자에 릴레이(RY2)를 설치하되 상기 리미트스위치(40)에 의해 제어되는 릴레이(RY1)의 후단 전원라인에 연결되게 구성된다.The present invention determines the brake engagement state by combining the signals output from the limit switch 40 and the inclination angle sensor 50 in a signal processing means to be described later, the signal processing means to the output signal of the limit switch 40 The relay RY1 is provided at the collector terminal of the transistor Q1 controlled by the control unit to interrupt the power applied to the alarm unit 60 and the collector of the transistor Q2 controlled by the output signal of the inclination angle sensor 50. The relay RY2 is installed at the terminal, but is configured to be connected to the rear power supply line of the relay RY1 controlled by the limit switch 40.

이와 같이 구성된 본 고안은 일정한 각도이상의 언덕길 즉, 주차브레이크가 완전히 체결되지 않을 경우 차량이 미끄러질 수 있는 경사도 예를 들면 약 3°이상의 경사도에 차량을 주차시키고자 할 경우 경사각센서(50)에서 "하이레벨"신호가 출력되며 이와 동시에 트랜지스터(Q2)가 단락되어 후단에 설치된 릴레이(RY2)가 접속된다.The present invention configured as described above has a high angle at the inclination angle sensor 50 in order to park the vehicle on a hill road of a predetermined angle or more, that is, an inclination that the vehicle can slip when the parking brake is not completely engaged, for example, about 3 ° or more. Level " signal is output, and at the same time, the transistor Q2 is shorted and the relay RY2 provided at the rear end thereof is connected.

이때 운전자가 차량의 미끄러짐을 방지하기 위해 브레이크레버(10)를 조작하게 되는데, 만약, 상기 브레이크레버(10)가 완전히 당겨지지 않을 경우 즉, 주차브레이크가 완전한 제동력을 발휘하지 못할 경우 상기 브레이크레버(10) 회동반경 끝단에 위치한 리미트스위치(40)가 전기적으로 단락된 상태가 된다. 따라서 릴레이(RY1)가 접속되면서 경보부(60)에 전원이 인가되어 경보음을 송출함으로써 운전자는 경사길에서 주차브레이크가 완전히 체결되지 않은 것을 확인할 수 있게 된다.At this time, the driver operates the brake lever 10 to prevent the vehicle from slipping. If the brake lever 10 is not pulled completely, that is, the parking brake does not exert a full braking force, the brake lever 10 10) The limit switch 40 located at the end of the turning radius is in an electrically shorted state. Therefore, when the relay RY1 is connected, power is applied to the alarm unit 60 to transmit an alarm sound, so that the driver can confirm that the parking brake is not completely engaged on the incline.

도2는 본 고안의 다른 실시예를 보인 것으로, 상기한 실시예와 동일한 구성은 동일 부호를 첨부한다.Figure 2 shows another embodiment of the present invention, the same configuration as the above embodiment is attached with the same reference numerals.

본 고안은 브레이크레버(10)의 체결을 감지하는 리미트스위치(40)의 출력신호가 인버터(G1)에 의해 반전된 반전신호와, 도로의 경사도를 감지하는 경사각센서(50)의 신호를 입력으로 하여 논리곱 연산처리하는 앤드게이트(G2)를 연결하고 상기 앤드게이트(G2) 출력단에 트랜지스터(Q3)와 경보장치(60)가 순차적으로 연결된 구성으로 되어 있다.According to the present invention, the output signal of the limit switch 40 for detecting the engagement of the brake lever 10 is inverted by the inverter G1 and the signal of the inclination angle sensor 50 for detecting the inclination of the road as an input. By connecting the AND gate (G2) to perform an AND operation, the transistor Q3 and the alarm device 60 is sequentially connected to the output terminal of the AND gate (G2).

이러한 구성에 의하면, 경사각센서(50)에 감지된 신호에 의한 도로 경사도가 약 3°이상일 경우 "하이레벨"신호를 출력하게 된다.According to this configuration, when the road inclination by the signal sensed by the inclination angle sensor 50 is about 3 ° or more, a "high level" signal is output.

이와 같은 경사도에서 차량의 미끄러짐을 방지하기 위해 주차브레이크를 체결하게 되며, 이때 브레이크레버(10)가 완전히 당겨지지 않을 경우 즉, 주차브레이크가 완전한 제동력을 발휘하지 못할 경우 상기 브레이크레버(10) 회동반경 끝단에 위치한 리미트스위치(40)가 전기적으로 단락되면서 "로우레벨"신호를 출력하게 되고, 이의 신호는 인버터(G1)에서 반전되어 앤드게이트(G2)입력된다.The parking brake is fastened to prevent the vehicle from slipping at such an inclination level. In this case, when the brake lever 10 is not pulled completely, that is, when the parking brake does not exert a full braking force, the rotation radius of the brake lever 10 is rotated. The limit switch 40 located at the end is electrically shorted to output a "low level" signal, and the signal thereof is inverted in the inverter G1 and input to the AND gate G2.

따라서 상기와 같이 일정한 경사도 이상에서 주차브레이크가 완전히 체결되지 않을 경우에는 앤드게이트(G2)의 입력신호가 모두 "하이레벨"상태가 되기 때문에 상기 앤드게이트(G2)의 출력신호는 "하이레벨"상태가 되어 트랜지스터(Q3)가 전기적으로 단락하게 되고 이와 동시에 전원(B+)이 경보부(60)에 인가되어 소정의 경보음을 송출함으로써 운전자는 주차브레이크의 체결상태를 다시 확인할 수 있어 사고를 예방할 수 있게 되는 것이다.Therefore, when the parking brake is not completely engaged at a predetermined slope or more as described above, since the input signals of the AND gate G2 are all in the "high level" state, the output signal of the AND gate G2 is in the "high level" state. The transistor Q3 is electrically shorted at the same time, and at the same time, the power source B + is applied to the alarm unit 60 to transmit a predetermined alarm sound so that the driver can check the fastening state of the parking brake again to prevent an accident. Will be.

이상에서 설명한 바와 같이 본 고안은 일정한 경사도를 갖는 언덕길에서 주차브레이크가 완전히 체결되지 않을 경우 경보음을 송출하여 확인할 수 있도록 함으로써 제동상태 미비로 인해 차량이 미끄러져 발생할 수 있는 사고를 미연에 방지할 수 있다.As described above, the present invention provides an alarm sound when the parking brake is not completely engaged on a hill road having a predetermined slope, thereby preventing an accident that may occur due to the vehicle slipping due to insufficient braking state. have.

Claims (4)

주차지역의 일정각도 이상의 경사도를 감지하는 경사각센서와, 브레이크레버의 체결상태를 감지하는 브레이크레버 감지수단과, 상기 경사각센서와 브레이크레버 감지수단에서 인가된 신호를 논리곱 처리하여 제어신호를 출력하는 신호처리수단과, 상기 신호처리수단에서 출력된 신호에 의해 제어되는 경보수단으로 구성됨을 특징으로 하는 경사길 주차시 주차브레이크 오조작 방지장치.An inclination angle sensor for detecting an inclination of a predetermined angle of the parking area, a brake lever detecting means for detecting a fastening state of the brake lever, and a control signal output by performing a logical product of the signals applied by the inclination angle sensor and the brake lever detecting means Parking brake erroneous prevention device for parking on a slope characterized in that it comprises a signal processing means and the alarm means controlled by the signal output from the signal processing means. 제1항에 있어서, 상기 브레이크레버 감지수단은 브레이크레버의 회동반경상에 리미트스위치가 설치됨을 특징으로 하는 경사길 주차시 주차브레이크 오조작 방지장치.According to claim 1, wherein the brake lever detecting means is a parking brake mis-operation prevention device for parking on a slope characterized in that the limit switch is installed on the rotation radius of the brake lever. 제1항에 있어서, 상기 신호처리수단은 경사각센서의 감지신호에 의해 구동하는 제1트랜지스터와, 상기 제1트랜지스터의 콜렉터에 접속되어 경보수단에 인가되는 전원을 단속하는 제1릴레이와, 상기 브레이크레버 감지수단의 감지신호에 의해 구동하는 제2트랜지스터와, 상기 제2트랜지스터의 콜렉터에 접속되어 제1릴레이에 인가되는 전원을 단속하는 제2릴레이로 구성됨을 특징으로 하는 경사길 주차시 주차브레이크 오조작 방지장치.The signal processing unit of claim 1, wherein the signal processing unit comprises: a first transistor driven by a detection signal of an inclination angle sensor; a first relay connected to a collector of the first transistor to control power applied to an alarming unit; Parking brake misoperation during parking on a slope road, comprising: a second transistor driven by a detection signal of a lever sensing means; and a second relay connected to a collector of the second transistor to control power applied to the first relay. Prevention device. 제1항에 있어서, 상기 신호처리수단은 경사각센서에서 출력된 신호와 브레이크레버 감지수단에서 출력된 반전신호를 입력으로 하는 앤드게이트와, 상기 앤드게이트의 출력신호에 의해 구동하여 경보수단에 인가되는 전원을 단속하는 트랜지스터로 구성됨을 특징으로 하는 경사길 주차시 주차브레이크 오조작 방지장치.The signal processing means of claim 1, wherein the signal processing means is driven by an output signal of the end gate and an AND gate which receives the signal output from the inclination angle sensor and the inverted signal output from the brake lever sensing means, and is applied to the alarm means. Parking brake erroneous operation prevention device for parking on a slope characterized in that the transistor is configured to control the power.
KR2019960049207U 1996-12-14 1996-12-14 An apparatus preventing a parking brake from being operated by mistake on a slope KR200167967Y1 (en)

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