KR980001600A - Hydraulic brakes with hydraulic actuator for electronically controlled brakes - Google Patents

Hydraulic brakes with hydraulic actuator for electronically controlled brakes Download PDF

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Publication number
KR980001600A
KR980001600A KR1019960022384A KR19960022384A KR980001600A KR 980001600 A KR980001600 A KR 980001600A KR 1019960022384 A KR1019960022384 A KR 1019960022384A KR 19960022384 A KR19960022384 A KR 19960022384A KR 980001600 A KR980001600 A KR 980001600A
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KR
South Korea
Prior art keywords
hydraulic
brake
control valve
pressure
cylinder
Prior art date
Application number
KR1019960022384A
Other languages
Korean (ko)
Other versions
KR0178946B1 (en
Inventor
홍재희
Original Assignee
김영귀
기아자동차 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.)
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Application filed by 김영귀, 기아자동차 주식회사 filed Critical 김영귀
Priority to KR1019960022384A priority Critical patent/KR0178946B1/en
Publication of KR980001600A publication Critical patent/KR980001600A/en
Application granted granted Critical
Publication of KR0178946B1 publication Critical patent/KR0178946B1/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
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
    • B60T13/745—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive acting on a hydraulic system, e.g. a master cylinder
    • 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
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/12—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid
    • B60T13/14—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid using accumulators or reservoirs fed by pumps
    • B60T13/142—Systems with master cylinder
    • 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
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/66—Electrical control in fluid-pressure brake systems
    • B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves
    • B60T13/686—Electrical control in fluid-pressure brake systems by electrically-controlled valves in hydraulic systems or parts thereof
    • 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
    • B60Y2400/81—Braking systems

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)

Abstract

본 발명은 유압식 브레이크의 마스터 실린더와 휘일 실린더 사이에 액압 제어밸브가 제공되어 있는 전자 제어 브레이크용 유압 작동기가 장착된 유압식 브레이크에 관한 것으로, 상기 유압 브레이크의 구조를 개선하여 제동초기에 마스터 실린더의 액압이 휘일 실린더에 직접 연결되므로써 제동초기의 브레이크 작동지연을 해소시키는 것을 목적으로 하며, 이를 위하여, 본 발명은, 브레이크 페달을 밟으면 상부에 장착된 리저버로부터의 오일에 의해 유압이 발생되는 마스터 실린더와, 그 유압을 받아 브레이크 슈를 드럼에 밀어 붙여 제동력을 발생시키는 휘일 실린더 및 유로를 형성하는 브레이크 파이프 및 호스를 포함하는 전자 제어 브레이크용 유압작동기가 장착된 유압식 브레이크에 있어서, 상기 마스터 실린더와 휘일 실린더의 사이 및 리저버와 액압원으로서의 펌프 사이에는 밸브 하우징, 파이롯 밸브, 모터 ,반력핀 및 반력실을 포함하는 액압 제어 밸브가 제공되는 것을 특징으로 한다.The present invention relates to a hydraulic brake equipped with a hydraulic actuator for an electronically controlled brake provided with a hydraulic control valve between a master cylinder and a wheel cylinder of a hydraulic brake. The hydraulic brake of the master cylinder is improved by improving the structure of the hydraulic brake. It is an object of the present invention to eliminate the brake operation delay of the initial braking by being directly connected to the wheel cylinder. To this end, the present invention provides a master cylinder in which hydraulic pressure is generated by oil from an upper mounted reservoir when the brake pedal is pressed; A hydraulic brake equipped with a hydraulic actuator for an electronically controlled brake, comprising a brake cylinder and a hose forming a wheel cylinder and a flow path for receiving a hydraulic pressure and pushing a brake shoe to a drum to generate a braking force. Between and reservoir And a hydraulic pressure control valve including a valve housing, a pilot valve, a motor, a reaction pin, and a reaction chamber between the pump and the pump as the hydraulic pressure source.

Description

전자 제어 브레이크용 유압 작동기가 장착된 유압식 브레이크Hydraulic brakes with hydraulic actuator for electronically controlled brakes

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

제2도는 본 발명에 따른 전자 제어 브레이크용 유압 작동기가 설치된 유압식 브레이크의 구조를 개략적으로 나타내는 도면.2 is a view schematically showing the structure of a hydraulic brake provided with a hydraulic actuator for an electronically controlled brake according to the present invention.

Claims (4)

브레이크 페달을 밟으면 상부에 장착된 리저버로부터의 오일에 의해 유압이 발생되는 마스터 실린더와, 그 유압을 받아 브레이크 슈를 드럼에 밀어 붙여 제동력을 발생시키는 휘일 실린더 및 유로를 형성하는 브레이크 파이프 및 호스를 포함하는 전자 제어 브레이크용 유압 작동기가 장착된 유압식 브레이크에 있어서, 상기 마스터 실린더와 휘일 실린더의 사이 및 리저버와 액압원으로서의 펌프 사이에는 밸브 하우징, 파이롯 밸브, 모터, 반력핀 및 반력실을 포함하는 액압 제어 밸브가 제공되는 것을 특징으로 하는 전자 제어브레이크용 유압 작동기가 장착된 유압식 브레이크.When the brake pedal is pressed, a hydraulic cylinder is generated by the oil from the upper mounted reservoir, and a brake pipe and a hose forming a wheel cylinder and a flow path that receive the hydraulic pressure and push the brake shoe to the drum to generate braking force. In a hydraulic brake equipped with a hydraulic actuator for an electronically controlled brake, a hydraulic pressure including a valve housing, a pilot valve, a motor, a reaction force pin, and a reaction chamber between the master cylinder and the wheel cylinder and between the reservoir and the pump as the hydraulic pressure source. Hydraulic brake equipped with a hydraulic actuator for an electronically controlled brake, characterized in that a control valve is provided. 제1항에 있어서, 상기 마스터 실린더와 휘일 실린더 및 액압 제어 밸브의 사이에는 체크 밸브가 설치되어 액압 제어 밸브의 액압력이 마스터 실린더의 액압보다도 소정값 이상 큰 경우는 액압 제어 밸브의 액압이 휘일 실린더에 도입되게 되는 것을 특징으로 하는 전자 제어 브레이크용 유압 작동기가 장착된 유압식 브레이크.The hydraulic cylinder of the hydraulic control valve according to claim 1, wherein a check valve is provided between the master cylinder, the wheel cylinder, and the hydraulic control valve, and the hydraulic pressure of the hydraulic control valve is greater than a predetermined value than the hydraulic pressure of the master cylinder. Hydraulic brake equipped with a hydraulic actuator for an electronically controlled brake, characterized in that it is introduced to. 제1항 또는 제2항에 있어서, 운전자가 브레이크 페달을 밟으면, 마스터 실린더에 유압이 발생되어 액압 제어 밸브에 전달되고, 이에 따라 상기 액압 제어 밸브내의 파이롯 피스톤과, 구동 코일 및 플랜지가 제어압력 포트가 개방되도록 이동되며 이 경우, 사전에 상기 펌프에 압력이 축적되어 있던 어큐므레이터(accumulator)로 부터 액압 제어 밸브의 고압 포트 및 제어 압력 포트를 거쳐 축척되어 있던 고압이 휘일 실린더로 전달되어 브레이크가 작동되게 되는 것을 특징으로 하는 전자 제어브레이크용 유압 작동기가 장착된 유압식 브레이크.According to claim 1 or 2, when the driver presses the brake pedal, the hydraulic pressure is generated in the master cylinder is transmitted to the hydraulic control valve, whereby the pilot piston, the drive coil and the flange in the hydraulic control valve is controlled pressure The port is moved to open, and in this case, the accumulator in which pressure has been accumulated in the pump is transferred from the accumulator to the wheel cylinder through the high pressure port of the hydraulic control valve and the control pressure port. Hydraulic brake is equipped with a hydraulic actuator for electronically controlled brakes, characterized in that the operation. 제1항 또는 제2항에 있어서, 상기 휘일 실린더에 전달된 유압과 같은 유압이 반력실에도 전달되므로써 반력핀을 미는 힘이 발생되며, 상기 휘일 실린더와 액압 제어 밸브 사이에 장착되어 있는 체크 밸브에 대해 설명하면, 상기 체크 밸브는 유압 밸브 포트와, 볼 및 스프링으로 구성되어 있으며, 상기 볼은 유압이 발생되지 않은 상태에서는 스프링에 의하여 위치되어 마스터 실린더와 휘일 실린더의 유로를 열게되고, 이에 의하여, 유압제어 밸브로부터의 고압이 전달되기 까지는 마스터 실린더로부터 휘일 실린더에 직접 유압이 전달되고, 상기 액압 제어,밸브로부터는 체크 밸브의 유압 밸브 포트에 고압을 제공하여 체크 밸브내의 볼을 이동시켜서 휘일 실린더와 액압 제어 밸브의 유로를 열게되어 브레이크가 작동되는 것을 것을 특징으로 하는 전자 제어 브레이크용 유압 작동기가 장착된 유압식 브레이크.The hydraulic pressure, such as the hydraulic pressure transmitted to the wheel cylinder, is also transmitted to the reaction chamber so that a force for pushing the reaction pin is generated, and the check valve mounted between the wheel cylinder and the hydraulic control valve. In the description, the check valve is composed of a hydraulic valve port, a ball and a spring, the ball is positioned by the spring in the state that the hydraulic pressure is not generated to open the flow path of the master cylinder and the wheel cylinder, thereby, Until the high pressure from the hydraulic control valve is transmitted, the hydraulic pressure is directly transmitted from the master cylinder to the wheel cylinder, and from the hydraulic control valve, the high pressure is provided to the hydraulic valve port of the check valve to move the ball in the check valve and Electron characterized in that the brake is operated by opening the flow path of the hydraulic control valve Hydraulic brakes with hydraulic actuator for control brakes. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019960022384A 1996-06-19 1996-06-19 Hydraulic brake with hydraulic actuator for electric control brake KR0178946B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019960022384A KR0178946B1 (en) 1996-06-19 1996-06-19 Hydraulic brake with hydraulic actuator for electric control brake

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960022384A KR0178946B1 (en) 1996-06-19 1996-06-19 Hydraulic brake with hydraulic actuator for electric control brake

Publications (2)

Publication Number Publication Date
KR980001600A true KR980001600A (en) 1998-03-30
KR0178946B1 KR0178946B1 (en) 1999-03-20

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KR1019960022384A KR0178946B1 (en) 1996-06-19 1996-06-19 Hydraulic brake with hydraulic actuator for electric control brake

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KR0178946B1 (en) 1999-03-20

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