CN109017733A - Pedal travel simulator for hydraulic external force type motor vehicle braking system - Google Patents

Pedal travel simulator for hydraulic external force type motor vehicle braking system Download PDF

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Publication number
CN109017733A
CN109017733A CN201810586534.5A CN201810586534A CN109017733A CN 109017733 A CN109017733 A CN 109017733A CN 201810586534 A CN201810586534 A CN 201810586534A CN 109017733 A CN109017733 A CN 109017733A
Authority
CN
China
Prior art keywords
cylinder
pedal travel
travel simulator
piston
frictional element
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201810586534.5A
Other languages
Chinese (zh)
Inventor
M.基斯特纳
E.赖因克
S.汉斯曼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of CN109017733A publication Critical patent/CN109017733A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T7/00Brake-action initiating means
    • B60T7/02Brake-action initiating means for personal initiation
    • B60T7/04Brake-action initiating means for personal initiation foot actuated
    • B60T7/042Brake-action initiating means for personal initiation foot actuated by electrical means, e.g. using travel or force sensors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T13/00Transmitting 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
    • B60T13/10Transmitting 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
    • B60T13/66Electrical control in fluid-pressure brake systems
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T8/00Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/34Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
    • B60T8/40Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
    • B60T8/4072Systems in which a driver input signal is used as a control signal for the additional fluid circuit which is normally used for braking
    • B60T8/4081Systems with stroke simulating devices for driver input
    • B60T8/409Systems with stroke simulating devices for driver input characterised by details of the stroke simulating device

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Regulating Braking Force (AREA)

Abstract

The present invention relates to a kind of pedal travel simulator (2) for hydraulic external force type motor vehicle braking system and propose, the friction element (9) being made of elastomer is arranged between the piston (4) of the pedal travel simulator (2) and piston spring (8), which is radially expanded when carrying out pressure-loaded, clings at cylinder (3) and brake the piston (4).The present invention realizes the dynamic lag of the pedal travel simulator (2) using resilient frictional element (9).

Description

Pedal travel simulator for hydraulic external force type motor vehicle braking system
Technical field
The pedal travel simulator of the feature of the present invention relates to a kind of preamble with claim 1.
Background technique
In the hydraulic motor vehicle braking system of external force manipulation, pedal travel simulator is realized when manipulating main braking cylinder and is stepped on Plate stroke (realizes throw of lever) in hand brake.The main braking cylinder is used as when external force manipulates is used for hydraulic brake pressure Rated value setting side, the hydraulic brake pressure do not utilize the main braking cylinder to generate, but utilizes external energy, for example sharp It is generated with hydraulic pump.The main braking cylinder when for example by closing seperating vale outer force braking or will be with the vehicle system Dynamic system hydraulically separates, and brake fluid is expressed in the pedal travel simulator when manipulating the main braking cylinder.
The piston and piston spring that pedal travel simulator usually has cylinder and can move in the cylinder, the piston Spring is resisted using the manipulation of the motor vehicle braking system of main braking cylinder and loads the piston in a return direction.The pedal row Journey simulator will be connect or hydraulically when external force manipulates a motor vehicle braking system with main braking cylinder, which is grasping Vertical to be at that time expressed to brake fluid in the cylinder of the pedal travel simulator, thus the piston resists the spring of the piston spring Power and moved in the cylinder on the forward stroke direction contrary with the backhaul.
Summary of the invention
The pedal travel simulator of feature according to the present invention, with claim 1 has resilient frictional element, such as The disk or body that elastomer is constituted, in the cylinder of the pedal travel simulator, which is especially arranged in the work Between plug and the piston spring.Under any circumstance, the resilient frictional element is in piston stroke all in stroke direction It is moved in the cylinder, wherein the stroke of the friction element can have the length different from the piston stroke.Preferably, The resilient frictional element is connect with the piston, with the piston motion and implements stroke identical with the piston. By the piston to the pressure-loaded of the resilient frictional element, the resilient frictional element is compressed in the stroke direction, Thus the resilient frictional element is expanded transverse to the stroke direction.Pressure-loaded refers herein to be applied by the piston The power being added on the surface of the friction element.
The shape and size of the resilient frictional element are so mutually coordinated with the cylinder of the pedal travel simulator, so that the elasticity Friction element is when it is expanded transverse to the stroke direction from the internal side for being pressed against the cylinder.The side of the cylinder is the one of the cylinder A or multiple inner surfaces, the inner surface stretch in the stroke direction and preferably in the stroke direction with can Mobile mode guides the piston.The friction element can stick on this in inside in a manner of unsupported and is undeformed At the side of the cylinder of pedal travel simulator.In this case, make the friction element by compressing friction element raising Power from the internal side for being pressed against the cylinder.Preferably, when the resilient frictional element is unsupported and undeformed, which rubs Wiping element does not stick on or not at the cylinder at the cylinder or only at one week internal side position.In this case, When the resilient frictional element is compressed, it is just clinged at the cylinder in inside.Under any circumstance, when the elasticity is rubbed When wiping element by compressing the side for being pressed against the cylinder from inside, which all generates makes in two stroke directions Move the friction of the friction element and the piston stroke.The friction is improved with the pressure-loaded by the piston, The pressure-loaded compresses the resilient frictional element.
By the resilient frictional element, pedal travel simulator according to the present invention has dynamic lag, that is to say, that The hydraulic pressure that the piston is loaded in the cylinder of the pedal travel simulator is bigger than in backhaul in forward stroke.Due to When pressure is higher it is described compression and therefore friction it is bigger, therefore, when the hydraulic pressure in the cylinder in the pedal travel simulator more Gao Shi, the pressure difference between forward stroke and backhaul are bigger.
Dependent claims have to the advantageous configuration scheme and modification of the invention illustrated in claim 1 As theme.
Preferably, the pedal travel simulator is integrated into hydraulic motor vehicle braking system, especially external force type vehicle system In the hydraulic block of the slidable adjustment device of dynamic system (claim 8).Such hydraulic block be it is known, they are usually rectangular Metal block, the metal block correspond to the motor vehicle braking system or motor vehicle braking system slidable adjustment device hydraulic company Map interlinking it is drilled.Other hydraulic components of the hydraulic block equipped with solenoid valve, hydraulic pump and the slidable adjustment device.In this way Hydraulic block be it is known, be no longer further described herein.
According to claim 9, the hydraulic block can also have other than with the pedal travel simulator to be used for Main braking cylinder is integrated into main brake cylinder holes and/or external force cylinder holes in the hydraulic block, which is used to utilize external force Brake pressure is generated, external force of the external force for motor vehicle braking system manipulates.
Detailed description of the invention
In the following, illustrated embodiment elaborates the present invention with reference to the accompanying drawings.Unique attached drawing is simplified and schematic Diagram in the sliding tune of with pedal travel simulator according to the present invention, hydraulic external force type motor vehicle braking system is shown The local longitudinal profile of the dislocation of the hydraulic block of regulating device.
Specific embodiment
The setting of hydraulic block 1 being shown in the accompanying drawings, the according to the present invention external force unshowned, hydraulic for rest part The slidable adjustment and external force of formula motor vehicle braking system manipulate.The hydraulic block 1 is rectangular metal block, which is painted as removing It is not equipped with except pedal travel simulator 2 to be illustrated.The hydraulic block 1 have can not see in the accompanying drawings, The hole of hydraulic connecting figure corresponding to the motor vehicle braking system.It equipped with it is unillustrated, for the external force manipulation it is hydraulic Component and slidable adjustment device, such as solenoid valve, the main braking cylinder with one or more piston, the external force cylinder with piston With the pedal travel simulator 2, these correspond to the hydraulic connecting figure of the motor vehicle braking system by the hole come hydraulically Connection.Since main braking cylinder is integrated into the hydraulic block 1, it is therefore necessary to only connect hydraulic wheel drag via brake piping It is connected at the hydraulic block 1.Such hydraulic block 1 be it is known, be no longer further described herein.
The hydraulic block 1 has the cylindricality blind hole of the cylinder 3 as the pedal travel simulator 2, and piston 4 is axial to be moved Ground is contained in the blind hole.The bottom to form the blind hole of the cylinder 3 is imported by hole hole 5(in the hydraulic block 1 Place), the cylinder 3 of the pedal travel simulator 2 is connected to the main brake cylinder holes 6 being mounted in the hydraulic block 1.In the hole 5, It is unillustrated, be arranged in the receiving portion of the hydraulic block 1 as the solenoid valve of simulator valve, the simulator valve is by the pedal row Journey simulator 2 is hydraulically separated with the unillustrated main braking cylinder that can be placed in the main brake cylinder holes 6, and passes through institute Stating pedal travel simulator 2 described in simulator valve can connect with the main braking cylinder.
Formed the remittance mouth of the blind hole of the cylinder 3 of the pedal travel simulator 2 using bowl-type 7 pressure seal of cylinder cap seal It closes, which is screwed into the remittance mouth in of the invention, being drawn and illustrated embodiment, however also can Enough otherwise fasten.It is disposed in the cylinder cap 7 and piles up disk spring as the one of piston spring 8.In the piston Porose disc as resilient frictional element 9, being made of elastomer, the diameter of the porose disc are disposed between spring 8 and the piston 4 It is slightly less than the interior diameter of the cylinder 3 of the pedal travel simulator 2.It is disposed on two end sides of the friction element 9 as lid 10 The porose disc being formed from steel.Two lids 10 support the resilient frictional element 9 and prevent the resilient frictional element 9 in its diameter It rubs at the piston 4 and at the piston spring 8 to when expansion.
Return port 11 passes through the peripheral wall of the bowl-type cylinder cap 7, and the return port is imported into the remittance mouth for being enclosed in the cylinder 3 In the annular groove 12 of cylinder cap 7, as return piece 13 hole by the hydraulic block 1 from the cylinder (cylinder cap) lead to it is unillustrated, The interface of brake fluid tank for no pressure.
If the cylinder 3 is added when being opened by manipulating simulator valve of the unillustrated main braking cylinder in the hole 5 Carry with hydraulic pressure, then its (piston) in stroke direction in a manner of the bottom far from the blind hole for forming the cylinder 3 in the cylinder It is moved on the direction of lid 7.Here, its (piston) is by the resilient frictional element 9 together at two ends of the resilient frictional element Lid 10 on side moves together, and is pressed on disk spring in the cylinder cap 7, forming the piston spring 8.The bullet Property friction element 9 be elastically compressed in the stroke direction, and radially, i.e. transverse to stroke direction elasticity Ground expansion.The resilient frictional element from inside cling to the side of the cylinder 3 from and generate friction, the friction is with hydraulic pressure Increase and improve.Friction between the friction element 9 and the cylinder 3 of the pedal travel simulator 2 is in two stroke directions The movement of piston 2 of the upper braking in the cylinder 3.
The resilient frictional element 9 of pedal travel simulator 2 according to the present invention causes dynamic lag: when 4, the piston When at a certain position of the cylinder 3, the hydraulic pressure in the cylinder 3 is in the bottom far from the cylinder 3, the piston 4 advance It is bigger than on opposite backhaul direction in stroke direction, wherein when hydraulic pressure is higher, the forward stroke and the backhaul Between pressure difference it is bigger because the resilient frictional element 9 is more strongly compressed and generates bigger friction.
The centre bore of the friction element 9 forms the channel 14 for brake fluid in the stroke direction.Replace in this Heart hole or other than the centre bore, the friction element 9 can have one or more partially in the peripheral side The through-hole and/or slot of the heart are as the channel (not shown) for being used for brake fluid.Similarly, the centre bore formation of the lid 10 is used for The channel of brake fluid.
If the piston 4 moves on the forward stroke direction, the piston the friction element 9, backwards to should Brake fluid is extruded through the return port 11 in the cylinder cap 7 on the side of the bottom of cylinder 3, enter be enclosed in it is described hydraulic In the annular groove 12 of cylinder cap 7 in block 1, and from being expressed in this annular groove in the return piece 13, in backhaul with phase Anti- direction again sucks brake fluid.
The hydraulic block 1, as described above, having main brake cylinder holes 5, which is diameter in the present embodiment Classification and have circular slot.Unillustrated main braking cylinder is pressed into the main brake cylinder holes 5, one or more Unillustrated piston is introduced in the main braking cylinder, in order to manipulate the main braking cylinder or the motor vehicle braking system, wherein One piston can be mobile using unshowned brake pedal, and another piston or other piston can pass through pressure It loads and is moved.
In order to carry out external force manipulation, the hydraulic block 1 has external force cylinder holes 15, which is located at and the pedal row In the different section of journey simulator 2, and therefore it is merely able to see the semi-section of the external force cylinder holes in the accompanying drawings.The section exists It so misplaces in attached drawing, makes it possible to see the pedal travel simulator 2 in axis section and the external force cylinder holes as semi-section 15.Unillustrated external force cylinder is pressed into the external force cylinder holes 15, and piston is contained in the external force in a manner of it can move In cylinder.In order to which external force manipulates the motor vehicle braking system, using unshowned electric motor via the deceleration in the external force cylinder Driver (Untersetzungsgetriebe) and screw-driven device (Gewindetriebe) move the piston.The electricity Dynamic motor is tightened at the hydraulic block 1.In external force manipulation, the main braking cylinder is used as rated value setting side, passes through adjusting The movement routine of the piston in the external force cylinder and/or brake pressure is adjusted using solenoid valve.In order to carry out external force behaviour It is vertical, the main braking cylinder is hydraulically separated with the motor vehicle braking system by closing unillustrated seperating vale, by beating The unillustrated simulator valve that is opened in the hole 5 and connect the main braking cylinder with the pedal travel simulator 2.At this When external force manipulation receives interference or shuts down, the motor vehicle braking system, institute are usually manipulated using the main braking cylinder It states unillustrated simulator valve to remain turned-off, the holding of pedal travel simulator 2 is hydraulically separated with the main braking cylinder.
Hole in the hydraulic block 1 can also be manufactured without going through drilling but in other ways.
The cylindricality be not for the resilient frictional element 9 it is enforceable, which also can Such as the shape with Elliptic Cylinder or prism.Prism is understood as tool, and there are two parallel, congruent faces Body, the face pass through perpendicular to the parallel face, repeatedly curved all side connections if possible.The elastic-friction member Part 9 can be, for example, polygon or star.The resilient frictional element 9 is so constructed, so that the resilient frictional element is worked as When being compressed in the stroke direction by pressure-loaded, radially or transverse to the such degree of the stroke direction bullet Property expand so that the resilient frictional element, which is clinged at the side of the cylinder 3 and generated, is frictionally pressed against the side.

Claims (9)

1. the pedal travel simulator of hydraulic external force type motor vehicle braking system is used for, with cylinder (3) and can in cylinder (3) Mobile piston (4) and there are piston spring (8), the piston spring loads the piston (4) in a return direction, special Sign is that the pedal travel simulator (2) has resilient frictional element (9) in the cylinder (3), the resilient frictional element As the piston (4) move, and pass through the piston (4) and/or the work when carrying out pressure-loaded in stroke direction It fills in spring (8) to expand transverse to the stroke direction, and generates frictionally or increase and be frictionally pressed against the cylinder from inside (3) side.
2. pedal travel simulator according to claim 1, which is characterized in that when the resilient frictional element (9) is in institute It states when not being loaded in stroke direction, the resilient frictional element does not stick at the cylinder (3).
3. pedal travel simulator according to claim 1, which is characterized in that the resilient frictional element (9) is described It is arranged in cylinder (3) between the piston (4) and the piston spring (8).
4. pedal travel simulator according to claim 1, which is characterized in that the resilient frictional element (9) has bullet Property body.
5. pedal travel simulator according to claim 1, which is characterized in that the resilient frictional element (9) is right cylinder Body or right prism body, the inner circumferential side congruence of the cylinder (3) of side and the pedal travel simulator (2) or described are stepped on The inner circumferential side of the cylinder (3) of plate stroke simulator (2) in proportion or not to scale (NTS) scaled down version.
6. pedal travel simulator according to claim 1, which is characterized in that the resilient frictional element (9) is described There is the channel (14) for brake fluid in stroke direction.
7. pedal travel simulator according to claim 1, which is characterized in that the resilient frictional element (9) is in transverse direction In the lid (10) on the side of stroke direction stretching, extension with rigidity.
8. for the hydraulic external force type motor vehicle braking system with pedal travel simulator (2) according to claim 1 Hydraulic block, which is characterized in that the cylinder (3) of the pedal travel simulator (2) is configured to the hole in the hydraulic block (1).
9. hydraulic block according to claim 8, which is characterized in that the hydraulic block (1) have main brake cylinder holes (6) and/ Or external force cylinder holes (15).
CN201810586534.5A 2017-06-08 2018-06-08 Pedal travel simulator for hydraulic external force type motor vehicle braking system Pending CN109017733A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017209618.7A DE102017209618A1 (en) 2017-06-08 2017-06-08 Pedal path simulator for a hydraulic power-operated vehicle brake system
DE102017209618.7 2017-06-08

Publications (1)

Publication Number Publication Date
CN109017733A true CN109017733A (en) 2018-12-18

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Application Number Title Priority Date Filing Date
CN201810586534.5A Pending CN109017733A (en) 2017-06-08 2018-06-08 Pedal travel simulator for hydraulic external force type motor vehicle braking system

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DE (1) DE102017209618A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018214869A1 (en) * 2018-08-31 2020-03-05 Continental Teves Ag & Co. Ohg Brake system simulator
DE102019206660A1 (en) * 2019-05-09 2020-11-12 Robert Bosch Gmbh Pedal travel simulator and hydraulic block with a pedal travel simulator
DE102021202553A1 (en) * 2021-03-10 2022-09-15 Continental Teves Ag & Co. Ohg Braking device with a simulator unit

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1134827A (en) * 1997-07-17 1999-02-09 Aisin Seiki Co Ltd Vehicle brake control device
US6014862A (en) * 1998-03-26 2000-01-18 General Motors Corporation Emulator damping mechanism
US20100078989A1 (en) * 2008-09-30 2010-04-01 Honda Motor Co., Ltd. Stroke simulator in brake system
CN102256845A (en) * 2008-12-18 2011-11-23 罗伯特·博世有限公司 Brake booster
CN103158686A (en) * 2011-12-12 2013-06-19 现代摩比斯株式会社 Pedal simulator of electro-mechanical brake in vehicle
CN204567627U (en) * 2015-03-31 2015-08-19 同济大学 The passive brake pedal feel simulator of a kind of three piston type
KR20150122425A (en) * 2014-04-23 2015-11-02 주식회사 만도 Pedal simulator for brake system
US20160031424A1 (en) * 2014-07-31 2016-02-04 Robert Bosch Gmbh Driver brake force simulator for a braking system of a vehicle, and manufacturing method for a driver brake force simulator
KR20160097571A (en) * 2015-02-09 2016-08-18 주식회사 만도 Pedal simulator for vehicle

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1134827A (en) * 1997-07-17 1999-02-09 Aisin Seiki Co Ltd Vehicle brake control device
US6014862A (en) * 1998-03-26 2000-01-18 General Motors Corporation Emulator damping mechanism
US20100078989A1 (en) * 2008-09-30 2010-04-01 Honda Motor Co., Ltd. Stroke simulator in brake system
CN102256845A (en) * 2008-12-18 2011-11-23 罗伯特·博世有限公司 Brake booster
CN103158686A (en) * 2011-12-12 2013-06-19 现代摩比斯株式会社 Pedal simulator of electro-mechanical brake in vehicle
KR20150122425A (en) * 2014-04-23 2015-11-02 주식회사 만도 Pedal simulator for brake system
US20160031424A1 (en) * 2014-07-31 2016-02-04 Robert Bosch Gmbh Driver brake force simulator for a braking system of a vehicle, and manufacturing method for a driver brake force simulator
KR20160097571A (en) * 2015-02-09 2016-08-18 주식회사 만도 Pedal simulator for vehicle
CN204567627U (en) * 2015-03-31 2015-08-19 同济大学 The passive brake pedal feel simulator of a kind of three piston type

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Application publication date: 20181218