KR20090132142A - Controlling apparatus to contol brake force for vehicle - Google Patents

Controlling apparatus to contol brake force for vehicle Download PDF

Info

Publication number
KR20090132142A
KR20090132142A KR1020080058261A KR20080058261A KR20090132142A KR 20090132142 A KR20090132142 A KR 20090132142A KR 1020080058261 A KR1020080058261 A KR 1020080058261A KR 20080058261 A KR20080058261 A KR 20080058261A KR 20090132142 A KR20090132142 A KR 20090132142A
Authority
KR
South Korea
Prior art keywords
hydraulic pressure
master cylinder
pressure control
working fluid
braking force
Prior art date
Application number
KR1020080058261A
Other languages
Korean (ko)
Other versions
KR101000165B1 (en
Inventor
김인수
김재산
Original Assignee
현대자동차주식회사
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.)
Filing date
Publication date
Application filed by 현대자동차주식회사 filed Critical 현대자동차주식회사
Priority to KR1020080058261A priority Critical patent/KR101000165B1/en
Publication of KR20090132142A publication Critical patent/KR20090132142A/en
Application granted granted Critical
Publication of KR101000165B1 publication Critical patent/KR101000165B1/en

Links

Images

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
    • B60T13/10—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
    • B60T13/74—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
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2306/00—Other features of vehicle sub-units
    • B60Y2306/09—Reducing noise

Abstract

PURPOSE: A braking power control device of a vehicle is provided to reduce the friction noise by not pressurizing a disk with a screw and to reduce the size of a braking device by controlling the liquid pressure of a master cylinder by using a liquid pressure control unit. CONSTITUTION: A braking power control device of a vehicle is composed of an actuating liquid storage(110), a master cylinder(120), a liquid pressure control unit(130), a user input unit(140), and a driving source(160). An actuating liquid is stored in the actuating liquid storage. The master cylinder forms the liquid pressure through the actuating liquid. The master cylinder applies the braking power to a vehicle wheel. The liquid pressure control unit is formed between the actuating liquid storage and the master cylinder. The liquid pressure control unit controls the liquid pressure of the master cylinder. The liquid pressure control unit moves back and forth straightly. The liquid pressure control unit forms hydraulic pressure to the liquid supplied from the actuating liquid storage. The driving source is driven to the prescribed direction according to the input signal of the user input unit.

Description

자동차용 제동력조절장치{CONTROLLING APPARATUS TO CONTOL BRAKE FORCE FOR VEHICLE}Brake force control device for automobiles {CONTROLLING APPARATUS TO CONTOL BRAKE FORCE FOR VEHICLE}

본 발명은 자동차용 제동력조절장치에 관한 것으로, 보다 상세히는 간단한 구조로 효과적으로 제동력을 제공할 수 있는 자동차용 제동력조절장치를 제공하는 것이다. The present invention relates to a braking force control device for an automobile, and more particularly, to provide a braking force control device for a vehicle that can effectively provide a braking force with a simple structure.

주행중인 차량을 주차하는 브레이크 시스템은 운전자가 브레이크 페달을 밟은 것에 의해 제동력을 작용하는 수동식 브레이크와, 운전자의 스위치 조작에 의해 전자식으로 액츄에이터가 구동되어 제동력을 제공하는 전자식 주차브레이크(EPB, electronic parking brake)가 있다.The brake system for parking a driving vehicle includes a manual brake that applies braking force when the driver presses the brake pedal, and an electronic parking brake (EPB) that provides the braking force by driving the actuator electronically by the driver's switch operation. There is).

종래 전자식 주차브레이크는 케이블풀러형과 캘리퍼 일체형이 있다. 이 중 케이블풀러형 주차브레이크(10)는 도1a에 도시된 바와 같이 액츄에이터(11)가 후륜에 장착된 DIH(drum in hat, 15)의 작동레버에 연결되어 있는 케이블(12)을 당기면 라이닝(15)의 마찰력에 의해 제동력이 작용되어 차량이 주차된다. Conventional electronic parking brake has a cable puller type and a caliper integrated type. Among these, the cable puller parking brake 10 has a lining when the cable 11 connected to the actuating lever of the DIH (drum in hat) 15 mounted on the rear wheel is pulled as shown in FIG. 1A. The braking force is applied by the frictional force of 15) and the vehicle is parked.

그런데, 케이블풀러형 주차브레이크의 경우 케이블의 장력을 통해 제동력이 제공되므로 별도의 장력센서가 요구되어 제조단가가 증가되는 문제가 있었다. However, in the case of the cable puller type parking brake, a braking force is provided through the tension of the cable, so that a separate tension sensor is required, thereby increasing the manufacturing cost.

한편, 캘리퍼일체형 주차브레이크(20)는 도1b에 도시된 바와 같이 후륜의 각 휠(25)에 연결되어 있는 모터(21) 구동에 의해 감속기(23)에 연결되어 있는 스크류가 패드(27)를 밀어 디스크를 가압하고, 그 가압력에 의해 차량이 주차된다. Meanwhile, as shown in FIG. 1B, the caliper integrated parking brake 20 has a screw 27 connected to the reducer 23 by driving a motor 21 connected to each wheel 25 of the rear wheel. Push to press the disk, the vehicle is parked by the pressing force.

그런데, 캘리퍼일체형 주차브레이크는 액츄에이터가 작동되며 스크류가 디스크를 가압하므로 소음이 큰 문제가 있었다. By the way, the caliper integrated parking brake has a large noise problem because the actuator is operated and the screw presses the disk.

본 발명은 상기와 같은 문제점을 해결하기 위한 것으로, 구성이 간단하며 소음을 줄일 수 있는 자동차용 제동력조절장치를 제공하는데 목적이 있다. The present invention is to solve the above problems, it is an object of the present invention to provide a braking force control device for a simple configuration and can reduce the noise.

본 발명에 의한 제동력조절장치는, Braking force control device according to the present invention,

작동유체가 저장되는 작동유체저장부와; A working fluid storage unit for storing a working fluid;

상기 작동유체를 통해 액압을 형성하여 자동차 바퀴에 제동력을 작용하는 마스터실린더와; A master cylinder for forming a hydraulic pressure through the working fluid to apply a braking force to an automobile wheel;

상기 작동유체저장부와 상기 마스터실린더 사이에 마련되어 상기 마스터실린더의 액압을 조절하는 액압조절부를 포함하는 것을 특징으로 하는 자동차용 제동력조절장치를 제공한다.It is provided between the working fluid storage and the master cylinder provides a braking force control device for a vehicle comprising a hydraulic pressure control unit for adjusting the hydraulic pressure of the master cylinder.

그리고 상기 액압조절부는 직선 왕복이동하며 상기 작동유체저장부로부터 공급된 액체에 유압을 형성할 수 있고, 사용자입력부와, 사용자입력부의 입력신호에 따라 소정방향으로 구동되는 구동원이 더 포함될 수 있다.The hydraulic pressure control unit may linearly reciprocate to form hydraulic pressure in the liquid supplied from the working fluid storage unit, and may further include a user input unit and a driving source driven in a predetermined direction according to an input signal of the user input unit.

그리고 상기 액압조절부는, 상기 작동유체저장부와 상기 마스터실린더와 상기 작동유체가 상호 연통되게 마련된 액압조절실과, 상기 액압조절실 내에 마련된 구동축과, 구동축을 따라 이동하며 액압을 형성하는 너트를 포함할 수 있고, 상기 너트와 상기 액압조절실 사이에는 실링부재가 마련될 수 있다.The hydraulic control unit may include a hydraulic pressure control chamber provided so that the working fluid storage unit, the master cylinder, and the working fluid communicate with each other, a drive shaft provided in the hydraulic pressure control chamber, and a nut moving along the driving shaft to form a hydraulic pressure. A sealing member may be provided between the nut and the hydraulic pressure control chamber.

본 발명에 따른 제동력조절장치는 종래 케이블풀러형 전자식 주차브레이크에 비해 장력센서, DIH, 케이블 등이 삭제되므로 중량 및 원가절감이 가능하다.The braking force control device according to the present invention can be reduced in weight and cost because the tension sensor, DIH, cable, etc. are eliminated compared to the conventional cable puller type electronic parking brake.

또한, 본 발명에 따른 제동력조절장치는 캘리퍼 일체형 전자식 주차브레이크 대비 구동원의 개수를 줄일 수 있고 그 크기를 소형화 할 수 있어 중량 및 원가절감이 가능하다.In addition, the braking force control device according to the present invention can reduce the number of the driving source compared to the caliper integrated electronic parking brake and can be reduced in size can be reduced in weight and cost.

또한, 본 발명에 따른 제동력조절장치는 스크류가 디스크를 가압하지 않으므로 마찰이 없어 소음을 줄일 수 있다.In addition, the braking force control device according to the present invention can be reduced noise because there is no friction because the screw does not press the disk.

이하에서는 도면을 참조하여 본 발명에 따른 자동차용 제동력조절장치(100)의 바람직한 실시예에 관해 자세히 설명한다. Hereinafter, with reference to the drawings will be described in detail a preferred embodiment of the braking force control device 100 for a vehicle according to the present invention.

도2a는 본 발명에 따른 제동력조절장치(100)의 구성을 도시한 사시도이고, 도2b는 제동력조절장치(100)의 단면 구성을 간략히 도시한 단면도이다. Figure 2a is a perspective view showing the configuration of the braking force control device 100 according to the present invention, Figure 2b is a cross-sectional view showing a simplified cross-sectional configuration of the braking force control device 100.

본 발명의 바람직한 실시예에 따른 제동력조절장치(100)는 작동유체가 저장 되는 작동유체저장부(110)와, 실린더 내에 액압을 형성하여 자동차 바퀴에 제동력을 작용하는 마스터실린더(120)와, 작동유체저장부(110)와 마스터실린더(120) 사이에 마련되어 마스터실린더(120)의 액압을 조절하는 액압조절부(130)와, 운전자로부터 제동력인가신호를 입력받는 사용자입력부(140)와, 사용자입력부(140)를 통한 제동력인가신호에 따라 구동력을 발생시키는 구동원(160)을 포함한다. The braking force control device 100 according to the preferred embodiment of the present invention is a working fluid storage unit 110, the working fluid is stored, and the master cylinder 120 to act as a braking force to the wheels by forming a hydraulic pressure in the cylinder, the operation, A hydraulic pressure control unit 130 provided between the fluid storage unit 110 and the master cylinder 120 to adjust the hydraulic pressure of the master cylinder 120, a user input unit 140 that receives a braking force application signal from the driver, and a user input unit; The driving source 160 generates a driving force according to the braking force application signal through the 140.

그리고 상기 구동원(160)과 액압조절부(130) 사이에는 감속기(170)가 마련되고, 상기 마스터실린더(120)에는 부스터(180)가 연결된다.A reducer 170 is provided between the driving source 160 and the hydraulic pressure control unit 130, and a booster 180 is connected to the master cylinder 120.

또한, 상기 작동유체저장부(110)에 저장된 작동유체는 액압조절부(130)와 마스터실린더(120)로 유입되거나 유출된다.In addition, the working fluid stored in the working fluid storage unit 110 flows into or out of the hydraulic pressure control unit 130 and the master cylinder 120.

마스터실린더(120)는 작동유체의 액압에 따른 제동력을 자동차의 바퀴에 작용시킨다. 마스터실린더(120)의 상부와 하부에는 유체유입포트(b,c)와 유체유출포트(d,e)가 각각 마련된다. 유체유입포트(b,c)는 액압조절부(130)와 연결되고, 유체유출포트(d,e)는 하부측의 휠실린더(미도시)와 연결된다. The master cylinder 120 applies the braking force according to the hydraulic pressure of the working fluid to the wheel of the vehicle. Fluid inlet ports (b, c) and fluid outlet ports (d, e) are provided at the upper and lower portions of the master cylinder (120), respectively. The fluid inflow ports b and c are connected to the hydraulic pressure control unit 130, and the fluid outflow ports d and e are connected to a wheel cylinder (not shown) on the lower side.

마스터실린더(120) 내부에는 액압이 형성되는 제1액압실(120a)과 제2액압실(120b)이 마련된다. 그리고 제1액압실(120a)과 제2액압실(120b)에는 각각 제1피스톤(121)과 제2피스톤(125), 제1스프링(123)과 제2스프링(127)이 마련된다. 제1피스톤(121)과 제2피스톤(125)은 상호 상대운동 가능하게 마련되며 제1피스톤(121)의 일단부는 마스터실린더(120) 외부로 돌출되어 브레이크페달(미도시)을 통한 답력을 입력받는다. 제1스프링(123)과 제2스프링(127)은 제1액압실(120a)과 제2액압실(120b) 내에 마련되어 제동력 해제시 제1피스톤(121)과 제2피스톤(125)을 복귀시 킨다. The first hydraulic chamber 120a and the second hydraulic chamber 120b in which the hydraulic pressure is formed are provided in the master cylinder 120. A first piston 121, a second piston 125, a first spring 123, and a second spring 127 are provided in the first hydraulic chamber 120a and the second hydraulic chamber 120b, respectively. The first piston 121 and the second piston 125 are provided to be relative to each other and one end of the first piston 121 protrudes out of the master cylinder 120 to input the pedal force through a brake pedal (not shown). Receive. The first spring 123 and the second spring 127 are provided in the first hydraulic chamber 120a and the second hydraulic chamber 120b to return the first piston 121 and the second piston 125 when the braking force is released. Turn on.

액압조절부(130)는 작동유체저장부(110)와 마스터실린더(120) 사이에 마련되어 마스터실린더(120) 내의 액압을 조절하여 목표 제동력이 작용되도록 한다. 액압조절부(130)는 작동유체가 유입되는 유체유입구(a)가 마련되는 액압조절실(139)과, 액압조절실(139) 내에 마련된 구동축(131)과, 구동축(131)을 따라 이동하며 액압을 형성하는 너트(135)를 포함한다. The hydraulic pressure control unit 130 is provided between the working fluid storage unit 110 and the master cylinder 120 to adjust the hydraulic pressure in the master cylinder 120 so that the target braking force is applied. The hydraulic pressure control unit 130 moves along the hydraulic pressure control chamber 139, the driving shaft 131 provided in the hydraulic pressure control chamber 139, and the hydraulic inlet chamber (139) through which the working fluid is introduced. And a nut 135 for forming a hydraulic pressure.

구동축(131)은 후술할 구동원(160)의 구동에 따라 너트(135)를 이동시키며 액압조절실(139) 내에 액압을 형성한다. 구동축(131)은 일단부가 구동원(160)에 연결되어 구동원(160)의 구동방향에 따라 회전운동한다. 구동축(131)의 타단부에는 너트(135)의 최대 이동거리를 제한하는 스토퍼(133)가 마련된다. The drive shaft 131 moves the nut 135 according to the driving of the drive source 160 to be described later, and forms a hydraulic pressure in the hydraulic pressure control chamber 139. One end of the driving shaft 131 is connected to the driving source 160 to rotate in accordance with the driving direction of the driving source 160. The other end of the drive shaft 131 is provided with a stopper 133 for limiting the maximum movement distance of the nut 135.

수직단면 둘레가 사각형인 너트(135)는 구동축(131)의 회전운동에 따라 구동축(131)을 따라 회전운동은 하지 않고 직선 이동되며 액압조절실(139)과 마스터실린더(120) 내에 액압을 형성한다. 여기서, 너트(135)와 액압조절실(139) 사이에는 고무재질의 실링부재(137)가 마련된다. The nut 135 having a rectangular vertical section is linearly moved along the drive shaft 131 without rotating in accordance with the rotational movement of the drive shaft 131, and forms hydraulic pressure in the hydraulic control chamber 139 and the master cylinder 120. do. Here, a rubber sealing member 137 is provided between the nut 135 and the hydraulic pressure control chamber 139.

사용자로부터 주차신호를 입력받는 사용자입력부(140)는 주차스위치의 형태로 구현될 수 있다. 그리고 제어부(150)는 사용자입력부(140)와 주차 페달로부터 입력된 주차신호와, 각종 센서의 입력 등을 기초로 구동원(160)에 구동신호를 보낸다. The user input unit 140 receiving the parking signal from the user may be implemented in the form of a parking switch. The controller 150 transmits a driving signal to the driving source 160 based on the parking signal input from the user input unit 140 and the parking pedal and the input of various sensors.

구동원(160)은 제어부(150)의 제어신호에 따라 구동축(131)으로 구동력을 제공하는데, 이러한 구동원(160)은 모터로 구현될 수 있다.The driving source 160 provides a driving force to the driving shaft 131 according to the control signal of the controller 150, and the driving source 160 may be implemented as a motor.

상기와 같은 구성을 갖는 본 발명에 따른 제동력조절장치(100)의 작동과정을 도3a 내지 4d를 참조로 설명한다. 설명에 앞서 실린더 내에 음영으로 표시한 영역은 액압이 발생된 것을 나타내고, 음영으로 표시되지 않은 영역은 액압이 발생되지 않은 것을 나타내는 것을 밝힌다.The operation of the braking force control device 100 according to the present invention having the above configuration will be described with reference to FIGS. 3A to 4D. Prior to the description, the shaded area in the cylinder indicates that hydraulic pressure has occurred, and the unshaded area indicates that no hydraulic pressure has occurred.

먼저 사용자입력부(140)와 브레이크페달(미도시)을 통해 제동신호가 인가되지 않는 경우 액압조절부(130)와 마스터실린더(120)는 도3a에 도시된 바와 같이 작동유체가 수용된 상태로 대기한다. 이 때는 너트(135)와 제1,2 피스톤(121,125)이 이동하지 않으므로 액압조절부(130)와 마스터실린더(120) 내에는 액압이 형성되지 않는다. First, when the braking signal is not applied through the user input unit 140 and the brake pedal (not shown), the hydraulic pressure control unit 130 and the master cylinder 120 stand by in a state where the working fluid is accommodated as shown in FIG. 3A. . In this case, since the nut 135 and the first and second pistons 121 and 125 do not move, the hydraulic pressure is not formed in the hydraulic control unit 130 and the master cylinder 120.

여기서, 사용자입력부(140)를 통해 전자식주차 신호(A)가 입력되면 제어부(150)는 구동원(160)에 구동신호를 인가한다. 구동원(160)인 모터가 구동되면 구동축(131)이 회전되고 도3b에 도시된 바와 같이 너트(135)가 구동축(131)을 따라 이동한다. 이에 따라 액압조절실(139) 내에 액압이 형성되고 작동유체가 유체유입포트(b,c)를 통해 마스터실린더(120) 내로 유입된다. 너트(135)가 구동축(131)을 따라 도3c에 도시된 바와 같이 최대이동거리로 이동하고 작동유체의 유입량이 증가하면서 제1액압실(120a)과 제2액압실(120b) 사이의 제2피스톤(125)이 이동되어 액압이 증가하고 작동유체는 유체유출포트(d,e)를 통해 휠실린더(미도시)로 이동하며 자동차 바퀴로 제동력을 전달한다. Here, when the electronic parking signal A is input through the user input unit 140, the controller 150 applies a driving signal to the driving source 160. When the motor, which is the driving source 160, is driven, the driving shaft 131 is rotated, and the nut 135 moves along the driving shaft 131 as shown in FIG. 3B. Accordingly, the hydraulic pressure is formed in the hydraulic pressure control chamber 139 and the working fluid is introduced into the master cylinder 120 through the fluid inflow ports b and c. As the nut 135 moves along the drive shaft 131 to the maximum travel distance as shown in FIG. 3C and the inflow of the working fluid increases, the second portion between the first hydraulic chamber 120a and the second hydraulic chamber 120b is increased. The piston 125 is moved to increase the hydraulic pressure and the working fluid moves to the wheel cylinder (not shown) through the fluid outlet ports d and e and transmits the braking force to the wheels of the vehicle.

여기서, 작동유체는 자동차의 전륜, 후륜 또는 네 바퀴 모두에 제동력을 전달할 수 있다.Here, the working fluid may transmit the braking force to the front wheel, rear wheel or all four wheels of the vehicle.

한편, 도3d에 도시된 바와 같이 주차 해제신호가 입력되면 구동원(160)이 반대방향으로 구동하고, 너트(135)는 구동축(131)을 따라 초기상태로 이동되고, 작동유체도 액압조절실(139)로 흐르면서 마스터실린더(120) 내의 액압이 낮아지고 제동력도 낮아진다. Meanwhile, as shown in FIG. 3D, when the parking release signal is input, the driving source 160 is driven in the opposite direction, the nut 135 is moved to an initial state along the driving shaft 131, and the working fluid is also provided in the hydraulic pressure control chamber ( 139), the hydraulic pressure in the master cylinder 120 is lowered and the braking force is lowered.

한편, 도4a에 도시된 바와 같이 사용자가 브레이크 페달(미도시)에 답력(B)을 가하면 도4b에 도시된 바와 같이 제1피스톤(121)이 이동되면서 제2피스톤(125)도 함께 이동된다. 피스톤(121, 125)의 이동에 따라 제1액압실(120a)과 제2액압실(120b)에 액압이 발생되면서 자동차바퀴에 제동력이 작용한다.Meanwhile, as shown in FIG. 4A, when the user applies the step B to the brake pedal (not shown), as shown in FIG. 4B, the first piston 121 is moved and the second piston 125 is also moved together. . As hydraulic pressure is generated in the first hydraulic chamber 120a and the second hydraulic chamber 120b as the pistons 121 and 125 move, the braking force acts on the wheels of the vehicle.

이때, EPB 작동신호가 입력되면 마스터실린더(120) 내에 발생된 액압은 유지되며, 제어부(150)는 도 4c와 같이 구동원(160)을 구동하여 너트(135)를 이동시킨다. 너트(135)의 이동에 따라 액압조절실(139)에도 액압이 발생하고 마스터실린더(120) 내의 액압은 유지된다.At this time, when the EPB operation signal is input, the hydraulic pressure generated in the master cylinder 120 is maintained, and the controller 150 drives the driving source 160 to move the nut 135 as shown in FIG. 4C. As the nut 135 moves, hydraulic pressure is generated in the hydraulic pressure control chamber 139, and the hydraulic pressure in the master cylinder 120 is maintained.

한편, 브레이크 페달을 통한 답력(B)이 사라져도 액압조절실(139)의 액압에 의해 마스터실린더(120) 내의 액압이 일정하게 유지되다가, EPB 해제 입력을 주면 구동원(160)의 구동방향이 바뀌면서 너트(135)가 초기상태로 복귀되고, 제 1 피스톤(121)과 제 2 피스톤(125)도 초기상태로 복귀된다.On the other hand, even when the pedal force B through the brake pedal disappears, the hydraulic pressure in the master cylinder 120 is kept constant by the hydraulic pressure of the hydraulic pressure control chamber 139. 135 returns to the initial state, and the first piston 121 and the second piston 125 also return to the initial state.

이상 설명한 바와 같이 본 발명에 따른 제동력조절장치는 액압조절실 내의 액압을 조절하여 마스터실린더 내의 액압을 조절하고, 이에 따라 목표 제동력을 제어한다. As described above, the braking force control device according to the present invention controls the hydraulic pressure in the master cylinder by adjusting the hydraulic pressure in the hydraulic pressure control chamber, thereby controlling the target braking force.

이상, 본 발명을 바람직한 실시 예를 사용하여 상세히 설명하였으나, 본 발 명의 범위는 특정 실시 예에 한정되는 것은 아니며, 첨부된 특허청구범위에 의하여 해석되어야 할 것이다. 또한, 이 기술분야에서 통상의 지식을 습득한 자라면, 본 발명의 범위에서 벗어나지 않으면서도 많은 수정과 변형이 가능함을 이해하여야 할 것이다. As mentioned above, although this invention was demonstrated in detail using the preferable embodiment, the scope of the present invention is not limited to a specific embodiment, Comprising: It should be interpreted by the attached Claim. In addition, those skilled in the art should understand that many modifications and variations are possible without departing from the scope of the present invention.

도 1a와 도1b는 종래 전자식 주차브레이크의 구성을 간략히 도시한 개략도,Figure 1a and 1b is a schematic diagram showing a brief configuration of a conventional electronic parking brake,

도 2a와 도2b는 본 발명에 따른 제동력 조절장치의 구성을 도시한 사시도와 단면도, 2a and 2b is a perspective view and a cross-sectional view showing the configuration of the braking force control device according to the present invention;

도 3a 내지 도3d는 본 발명에 따른 제동력 조절장치의 브레이크 페달 답력 해제 후의 동작과정을 도시한 상태도,Figure 3a to 3d is a state diagram showing the operation process after the brake pedal pedal release of the braking force control device according to the present invention,

도 4a 내지 도4d는 본 발명에 따른 제동력 조절장치의 브레이크 페달 답력 이후의 동작과정을 도시한 상태도이다. 4A to 4D are state diagrams illustrating an operation process after the brake pedal depression of the braking force control device according to the present invention.

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

100 : 제동력조절장치 110 : 작동유체 저장부100: braking force control device 110: working fluid storage

120 : 마스터실린더 130 : 액압조절부120: master cylinder 130: hydraulic pressure control unit

140 : 사용자입력부 150 : 제어부140: user input unit 150: control unit

Claims (5)

작동유체가 저장되는 작동유체저장부와; A working fluid storage unit for storing a working fluid; 상기 작동유체를 통해 액압을 형성하여 자동차 바퀴에 제동력을 작용하는 마스터실린더와; A master cylinder for forming a hydraulic pressure through the working fluid to apply a braking force to an automobile wheel; 상기 작동유체저장부와 상기 마스터실린더 사이에 마련되어 상기 마스터실린더의 액압을 조절하는 액압조절부를 포함하는 것을 특징으로 하는 자동차용 제동력조절장치. And a hydraulic pressure adjusting unit provided between the working fluid storage unit and the master cylinder to adjust the hydraulic pressure of the master cylinder. 제1항에 있어서, The method of claim 1, 상기 액압조절부는 직선 왕복이동하며 상기 작동유체저장부로부터 공급된 액체에 유압을 형성하는 것을 특징으로 하는 자동차용 제동력조절장치. The hydraulic pressure control unit is a linear reciprocating movement, the braking force control device for the vehicle, characterized in that to form a hydraulic pressure in the liquid supplied from the working fluid storage. 제2항에 있어서, The method of claim 2, 사용자입력부와; A user input unit; 사용자입력부의 입력신호에 따라 소정방향으로 구동되는 구동원이 더 포함되는 것을 특징으로 하는 자동차용 제동력조절장치.A braking force control device for a vehicle, further comprising a driving source driven in a predetermined direction according to an input signal of a user input unit. 제1항 내지 제3항 중 어느 한 항에 있어서, The method according to any one of claims 1 to 3, 상기 액압조절부는, The hydraulic pressure control unit, 상기 작동유체저장부와 상기 마스터실린더와 상기 작동유체가 상호 연통되게 마련된 액압조절실과;A hydraulic pressure control chamber in which the working fluid storage unit, the master cylinder, and the working fluid communicate with each other; 상기 액압조절실 내에 마련된 구동축과, 구동축을 따라 이동하며 액압을 형성하는 너트를 포함하는 것을 특징으로 하는 자동차용 제동력조절장치. And a driving shaft provided in the hydraulic pressure control chamber, and a nut moving along the driving shaft to form hydraulic pressure. 제4항에 있어서,The method of claim 4, wherein 상기 너트와 상기 액압조절실 사이에는 실링부재가 마련되는 것을 특징으로 하는 자동차용 제동력조절장치.A braking force control device for a vehicle, characterized in that a sealing member is provided between the nut and the hydraulic pressure control chamber.
KR1020080058261A 2008-06-20 2008-06-20 Controlling apparatus to contol brake force for vehicle KR101000165B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020080058261A KR101000165B1 (en) 2008-06-20 2008-06-20 Controlling apparatus to contol brake force for vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020080058261A KR101000165B1 (en) 2008-06-20 2008-06-20 Controlling apparatus to contol brake force for vehicle

Publications (2)

Publication Number Publication Date
KR20090132142A true KR20090132142A (en) 2009-12-30
KR101000165B1 KR101000165B1 (en) 2010-12-10

Family

ID=41691241

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020080058261A KR101000165B1 (en) 2008-06-20 2008-06-20 Controlling apparatus to contol brake force for vehicle

Country Status (1)

Country Link
KR (1) KR101000165B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101642308B1 (en) * 2015-04-08 2016-07-26 한국파워트레인 주식회사 Feeding control apparatus for fluid retarder
KR20210061844A (en) 2019-11-20 2021-05-28 현대모비스 주식회사 Electric brake device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58202144A (en) * 1982-05-18 1983-11-25 Ryuzo Kaneko Communicating oil constant difference reducing valve

Also Published As

Publication number Publication date
KR101000165B1 (en) 2010-12-10

Similar Documents

Publication Publication Date Title
US7922264B2 (en) Hydraulic vehicle brake system
US7559412B2 (en) Disc brake apparatus
CN107646001B (en) Method for providing braking force in a vehicle
CN106256625B (en) Method for checking the braking force in a motor vehicle
KR20160011283A (en) Electro mechanical brake device
US10697510B2 (en) Braking device for a motor vehicle, and method for controlling the braking device
US20130162010A1 (en) Vehicle control apparatus
KR102417542B1 (en) ESC coordination control braking method of Electric Parking Brake
JP2007126032A5 (en)
CN110562231A (en) Method for operating a brake system of a motor vehicle, control device and brake system
US10710564B2 (en) Method for adjusting the brake pedal counter force in a vehicle
WO2019208748A1 (en) Brake control device
KR101000165B1 (en) Controlling apparatus to contol brake force for vehicle
JP6221118B2 (en) Brake system
JP2003512239A (en) Operating unit for vehicle wheel brakes
JP6709656B2 (en) Brake control system
KR102548683B1 (en) Electric Booster Brake Apparatus and Controlling Method Thereof
JP7230523B2 (en) brake controller
JP7013584B2 (en) Brake booster, and manufacturing method for brake booster
KR100369034B1 (en) Break system of vehicle
CN108263362B (en) Vehicle and hydraulic braking combined system thereof
US20030019694A1 (en) Dry interface corner vehicle braking system
KR102620655B1 (en) Brake apparatus
JP2014504983A (en) Brake system and method for adjusting the pressure of the brake medium in the brake system
KR100867837B1 (en) Brake system using magnetic fluid for vehicle

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
LAPS Lapse due to unpaid annual fee