CN102015392A - Hydraulic vehicle braking system - Google Patents
Hydraulic vehicle braking system Download PDFInfo
- Publication number
- CN102015392A CN102015392A CN2009801120934A CN200980112093A CN102015392A CN 102015392 A CN102015392 A CN 102015392A CN 2009801120934 A CN2009801120934 A CN 2009801120934A CN 200980112093 A CN200980112093 A CN 200980112093A CN 102015392 A CN102015392 A CN 102015392A
- Authority
- CN
- China
- Prior art keywords
- brake
- pressure
- cylinder
- hydraulic pressure
- piston
- 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.)
- Granted
Links
- 230000002787 reinforcement Effects 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 18
- 239000012530 fluid Substances 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
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
- B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
- B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
- B60T11/16—Master control, e.g. master cylinders
- B60T11/20—Tandem, side-by-side, or other multiple master cylinder units
- B60T11/203—Side-by-side configuration
-
- 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
- B60T8/32—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 a speed condition, e.g. acceleration or deceleration
- B60T8/34—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 a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/38—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 a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition including valve means of the relay or driver controlled type
-
- 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
- B60T8/32—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 a speed condition, e.g. acceleration or deceleration
- B60T8/34—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 a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/40—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 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
- B60T8/4072—Systems in which a driver input signal is used as a control signal for the additional fluid circuit which is normally used for braking
- B60T8/4081—Systems with stroke simulating devices for driver input
- B60T8/4086—Systems with stroke simulating devices for driver input the stroke simulating device being connected to, or integrated in the driver input device
Abstract
The invention relates to a hydraulic vehicle braking system (1) with a master brake cylinder (2). The invention proposes connecting a pressure chamber (12) of the master brake cylinder (2) to a brake fluid reservoir (14) via a decoupling valve (13) such that the pressure chamber (12) can be switched to an unpressurized state. The brakes are actuated in the form of an externally powered braking operation using an external power supply device having a hydraulic pump (5). A hydraulic pedal travel simulator (22) is preferably integrated into the master brake cylinder (2) which can be switched to an unpressurized state via a simulator valve (23).
Description
Technical field
The present invention relates to a kind of automobile brake equipment with hydraulic pressure of the described feature of claim 1 preamble.
Background technology
The automobile brake equipment of known hydraulic pressure have can manual operation main brake cylinder, hydraulic pressure is connecting the wheel braking cylinder of car side brake on this main brake cylinder.Usually the wheel braking cylinder by have electromagnetic valve, Hydraulic Pump and a hydraulic accumulator and realize that the brake regulation system of the brake-pressure regulation that wheel is independent is connected.This brake-pressure regulation is called anti-lock, drives anti-skidding and/or vehicle dynamics adjusting and employing ABS, ASR, FDR, ESP and suchlike other abbreviation.
The automobile brake equipment of known hydraulic pressure constitutes as the external force brake equipment in addition, that is to say, has the external energy feedway that operation braking institute energy requirement is provided, and the external energy feedway generally includes the pressure accumulator of the hydraulic pressure that utilizes the Hydraulic Pump supercharging.The manpower that is applied by chaufeur provides braking force rated value just.Have only when externally power supply is malfunctioning, automobile brake equipment is just handled by the manpower as the automobile driver of so-called auxiliary braking.Known also have power brake equipment, and wherein the required part energy of brake operating is from external energy feedway and the remainder manpower from automobile driver.No matter be that external force brake equipment or power brake equipment all do not need the braking force booster.
Open source literature DE 10 2,004 025 638 A1 disclose a kind of main brake cylinder that is used for the operating hydraulically operated automobile brake equipment of external force.Disclosed main brake cylinder has first piston, and this first piston is by piston rod and brake pedal mechanical connection.First piston can be contained in second piston of the cylinder that is formed for first piston movably.First piston is bearing on second piston by spring installation.When not handling main brake cylinder, the 3rd piston that is arranged in the axially-extending of second piston is close on second piston end face.The 3rd piston can be understood as the primary piston of main brake cylinder.Handle automobile brake equipment for external energy, the gap between the second and the 3rd piston in main brake cylinder is with the hydraulic way on-load pressure.Hydraulic pressure moves the 3rd piston in the main brake cylinder, primary piston just, and the 3rd piston is discharged braking liquid and is formed for handling the pressure of automobile brake equipment thus from main brake cylinder.Pressure source on-load pressure by the external energy feedway between the second and the 3rd piston remains in its reference position second piston except moving the 3rd piston, does not just move.Be bearing in first piston on second piston, that can in second piston, move by spring installation and form the pedal stroke simulator.
Externally under the malfunctioning situation of power supply, pedal operation moves first piston and moves second piston by the supporting that utilizes spring installation.By mobile, the joint of the second piston closes hydraulic pressure, thus the braking liquid volume is enclosed in second piston.By surrounding braking liquid, second piston is connected with first piston with moving hardly.Second piston moves the 3rd piston that is close on its end face, and just primary piston is also handled automobile brake equipment in this manner, and this is an auxiliary braking.
Open source literature DE 103 18 850 A1 disclose a kind of external force of the automobile brake equipment that is used for hydraulic pressure or the main brake cylinder of power brake equally.In this main brake cylinder, the back side of primary piston can be from the pressure source of external energy feedway with the hydraulic way on-load pressure.Primary piston moves in main brake cylinder by the pressure-loaded at its back side, and automobile brake equipment is discharged and handled in this manner to braking liquid from main brake cylinder.
Summary of the invention
The main brake cylinder of automobile brake equipment with foundation hydraulic pressure of the present invention of the described feature of claim 1 has can not have the pressure chamber that pressure ground is connected.The pressure chamber is the section that is loaded when the brake operation by the piston of main brake cylinder of main brake cylinder.Main brake cylinder is that each brake circuit of automobile brake equipment has the pressure chamber, and brake circuit separately is connected with this pressure chamber's hydraulic pressure.It is just enough that one of pressure chamber of main brake cylinder is connected on no pressure ground.The operation of automobile brake equipment utilizes the hydraulic pressure source of its external energy feedway to carry out as outer dynamic braking, and main brake cylinder uses as the rated value transmitter of the height of the wheel brake pressure of adjusting in the wheel braking cylinder.Rated value also can be at (pin) brake pedal, (hand) brake rod, be used for the manpower of automobile driver is imported on other operating parts of main brake cylinder or the piston bonded assembly piston rod with operating parts and main brake cylinder and intercept.Externally under the malfunctioning situation of power supply, auxiliary braking can be undertaken by the manual operation main brake cylinder, and method is that the pressure chamber of this main brake cylinder is not that no pressure ground is connected.As main brake cylinder commonly used, act on then according to main brake cylinder of the present invention.Utilize according to automobile brake equipment of the present invention and also can realize power brake, when power brake the required energy of part brake operating from automobile driver by handling main brake cylinder manpower and remainder from the external energy feedway.Power brake means the braking force reinforcement, the auxiliary braking under itself and the malfunctioning situation of external energy feedway should not obscured.
Comparing with the automobile brake equipment of traditional hydraulic pressure, is needing no vacuum braking force booster according to the advantage of automobile brake equipment of the present invention.In the combustion engine in modern times, vacuum against vacuum braking force booster is often not enough, nor wishes that the air inlet performance of combustion engine often is subjected to the influence of vacuum brake power booster.Adopt (perhaps a plurality of) electrical motor and a combustion engine to make up the hybrid vehicle that drives and also often be not suitable for vacuum brake power booster.Also can advantageously use automobile brake equipment here according to hydraulic pressure of the present invention.
Another advantage of the present invention is that controlled pedal separates, wherein, " controlled " and " adjustable " is meant: in the automobile brake equipment that comprises the foundation hydraulic pressure of the present invention with the main brake cylinder that can not have the pressure chamber that connects on pressure ground, the separation degree of brake pedal or other operating parts and main brake cylinder can be automatically controlled.
A great advantages of the present invention is, under the auxiliary braking situation of main brake cylinder when externally power supply is malfunctioning, in fact compare with traditional main brake cylinder does not have the function variation.The known main brake cylinder that is different from the external force brake equipment, pedal stroke does not prolong when externally power supply is malfunctioning.
Another advantage is that automobile brake equipment is fairly simple owing to can cancel vacuum brake power booster.
Automobile brake equipment according to hydraulic pressure of the present invention is specially adapted to hybrid vehicle, just adopts a combustion engine and (perhaps a plurality of) electrical motor to carry out automobile combination driven vehicles.At car deceleration, glancing impact just, by electrical motor as generator operation and recuperated energy.The recovery of energy is also referred to as regeneration.Therefore the deceleration of hybrid vehicle fully, partly or unfavorable with electrical motor and be not partially or fully to utilize automobile brake equipment to carry out.In this regard, the ratio (repeatedly) during braking of the contribution of car deceleration being made as the electrical motor of generator operation and automobile brake equipment changes.The rated value of braking force is given by the operation main brake cylinder.By can controlling according to the separation degree between brake pedal in the automobile brake equipment of the present invention and the car side brake, this automobile brake equipment is specially adapted to partly to utilize the braking of automobile brake equipment and all the other utilizations hybrid vehicle as the motor deceleration of generator operation with change ratio ground.The degree of separating by control pedal can produce the pedal sense of custom as far as possible.
The theme of dependent claims is of the present invention favourable design plan and the improvement project described in the claim 1.
According to claim 3, be provided with the pedal stroke simulator of the hydraulic pressure that is integrated in the main brake cylinder.This pedal stroke simulator has can overcome the emulator piston that spring force moves in main brake cylinder, even and described emulator piston when not having the connection of pressure ground in the pressure chamber of main brake cylinder, also cause treadle effort during dynamic braking outside just.Described spring force is such as also causing by gaseous tension.
According to claim 5, automobile brake equipment has one or more car side brake of reinforcement voluntarily.The equal reinforcement voluntarily of the most all car side brakes of the automotive wheel of what a automobile axle.Having the mechanical car side brake of reinforcement voluntarily is known and for example has wedge shape or oblique mechanism.Be provided with the hydraulic pressure car side brake of reinforcement voluntarily according to claim 6.This car side brake also is known, and they have auxiliary piston, friction brake wafer at the circumferential upper support of brake disc on this auxiliary piston.When brake operating, the friction brake wafer that the brake disc of rotation will be pressed to it is pressed to auxiliary piston, and this auxiliary piston forms brake-pressure thus and braking liquid is squeezed in the wheel braking cylinder.The braking force of car side brake improves thus.The advantage of the car side brake of reinforcement is voluntarily, can cancel other braking force reinforcement, for example vacuum brake power booster.All car side brakes that do not need automobile brake equipment are reinforcement voluntarily all.
Description of drawings
The present invention is described in detail by embodiment shown in the drawings below.Two accompanying drawings illustrate the scheme circuit of the hydraulic pressure of two foundation automobile brake equipment of the present invention.
The specific embodiment
The automobile brake equipment 1 of foundation shown in Figure 1 hydraulic pressure of the present invention has series connection main brake cylinder 2, at the wheel braking cylinder that is connecting car side brake 4 on this series connection main brake cylinder under the situation of centre connection brake regulation system 3.Brake equipment 3 is anti-lock and slide control unit of a kind of own known configurations, for example can use the applicant's ESP 8.0 systems.Brake regulation system 3 has Hydraulic Pump 5 in each brake circuit and brake-pressure forms valve 6 and brake-pressure reduces valve 7 for the independent brake-pressure regulation of wheel of each car side brake 4 has.Hydraulic Pump 5 is driven by a shared electrical motor 8.Such brake regulation system and function thereof are own known and need not detailed introduction here.
Main brake cylinder 2 human controls, it has (pin) brake pedal 9 that is used for its operation.Be provided with force gauge 10 and/or stroke sensor 11 in addition, utilize them can measure treadle effort and/or pedal stroke.The pressure chamber 12 of main brake cylinder 2 is connected with the braking liquid tank 14 of main brake cylinder 2 by the valve that is called seperating vale 13 here.In the embodiment shown in of the present invention, seperating vale 13 is 2/2 way solenoid valve, and it is closed in its currentless home position.In the present embodiment, braking liquid tank 14 is connected with the pressure chamber that is called primary chamber 12 of main brake cylinder 2 by seperating vale 13, and this pressure chamber is loaded by the rod piston 15 of main brake cylinder 2.Rod piston 15 and brake pedal 9 mechanical coupling connection, it is also referred to as primary piston.Braking liquid tank 14 can be connected with another pressure chamber 16 of main brake cylinder 2 by seperating vale 13 equally, and this pressure chamber is called secondary chamber and is loaded by floating type piston 17.
Main brake cylinder 2 has the diameter step, and it is widened towards the direction of brake pedal 9.It has multi-level piston 18, and it forms rod piston 15 away from the little end of the diameter of brake pedal 9.The section that the diameter of multi-level piston 18 is big forms emulator piston 19, moves axially in its can be at the diameter of main brake cylinder 2 big part.Emulator piston 19 is with respect to annular piston 20 work, moves axially in can be at the diameter of the main brake cylinder 2 big part of this annular piston and guiding and be bearing in the main brake cylinder 2 by simulator spring 21 hermetically.In the embodiment shown, simulator spring 21 is helical compression springs, but also can use other spring installation, for example also can be the gaseous tension spring, just be in gas volume under the pressure as simulator spring 21 (not shown) with emulator piston 20 encirclements in the part that the diameter of main brake cylinder 2 is big.The part that the diameter of main brake cylinder 2 is big, emulator piston 19, annular piston 20 and simulator spring 21 form the pedal stroke simulator 22 that is integrated in the main brake cylinder 2.The braking liquid volume of the pedal stroke simulator 22 between emulator piston 19 and the annular piston 20 is communicated with braking liquid tank 14 by simulator valve 23.In the embodiment shown in of the present invention, simulator valve 23 is 2/2 way solenoid valves of opening in its currentless home position.On pedal stroke simulator 22, connecting pressure sensor 24.
Car side brake 4 is reinforcement voluntarily, that is to say that they have step-up system voluntarily.The step-up system voluntarily of such machinery or hydraulic pressure is known and therefore here need not to give unnecessary details.The reinforcement voluntarily of car side brake 4 is represented by the letter " SE " of representative " Self-Enengizing " in the drawings.
Be operation automobile brake equipment 1, depress brake pedal 9 and handle main brake cylinder 2 thus.Open seperating vale 13 and close simulator valve 23.By opening seperating vale 13, no pressure ground is connected the pressure chamber 12 of main brake cylinder 2 and is not utilized main brake cylinder 2 to form pressure.Be elementary or 12,16 no pressure ground, second pressure chamber connect that it doesn't matter for this reason.Braking force forms and utilizes Hydraulic Pump 5 to carry out, and the adjusting wheel of the wheel brake pressure in the wheel braking cylinder of car side brake 4 utilizes brake-pressure to form valve 6 individually and brake-pressure reduction valve 7 carries out.Utilize pressure in the pedal stroke simulator 22 that pressure sensor 24 measures to form the rated value of the height of wheel brake pressure in the braking force of car side brake or the wheel braking cylinder.Force gauge 10 and/or the stroke sensor 11 of measuring treadle effort and pedal stroke provide redundant rated value.Braking is a kind of outer dynamic braking, and wherein, Hydraulic Pump 5 forms the pressure source of external energy feedway.Also can be power brake, method be by the part of seperating vale 13 or opening of being regulated form the brake-pressure in main brake cylinder 2 pressure chambers 12,16 and utilize Hydraulic Pump 5 to improve pressure.In this regard, this is the braking force reinforcement that a kind of pressure source as the external energy feedway has the hydraulic pressure of Hydraulic Pump 5 equally.For this situation, seperating vale 13 preferably constitutes as apportioning valve.
When Hydraulic Pump 5 or brake regulation system 3 are malfunctioning, carry out auxiliary braking by the manpower that utilizes brake pedal 9 operation main brake cylinders 2.In this case, seperating vale 13 keeps cutting out, thereby brake-pressure formation is undertaken by manual operation main brake cylinder 2 in a conventional manner.Simulator valve 23 stays open, thus pedal stroke simulator 22 no pressure and do not form the counter pressure that can improve treadle effort.Externally energy is supplied with the auxiliary braking that is undertaken by manpower when malfunctioning and should do not obscured mutually with power brake, and the latter is that externally energy is supplied with the braking force reinforcement of the electro-hydraulic when working.The reinforcement voluntarily of car side brake 4 plays a role when also externally energy is supplied with auxiliary braking when malfunctioning.
With shown in different be, car side brake 4 that needn't be all is reinforcement voluntarily all, also can only a part of car side brake 4 reinforcement voluntarily, all car side brakes 4 of what a automobile axle reinforcement or reinforcement voluntarily or not.Also can realize only having not the embodiment of the automobile brake equipment 1 of the car side brake 4 of reinforcement voluntarily.In addition, can realize the brake regulation system 3 simplified, it does not for example have brake-pressure to form car side brake 4 common (not shown) of regulating of valve 6 or one of them automobile axle.Can realize the brake circuit that only has a hydraulic pressure of automobile brake equipment 1 equally or also can have the embodiment of plural brake circuit (not shown).In addition, automobile brake equipment 1 can have with main brake cylinder 2 bonded assembly brake circuit ground and constitutes, wherein, main brake cylinder 2 constitutes as the single loop main brake cylinder then, and other brake circuit is then with braking liquid tank 14 direct connections and only as the external energy manipulation of external force brake circuit by being produced by the Hydraulic Pump 5 as pressure source.
In Fig. 2, the cylinder 25 that main brake cylinder 2 has band secondary piston 26 for each car side brake 4, these cylinders are arranged side by side and machinery and hydraulic pressure parallel connection.Therefore car brake 1 has the brake circuit of oneself for each car side brake 4.As among Fig. 1, the main brake cylinder 2 among Fig. 2 has multi-level piston 18, and rod piston 15 and the big section of its diameter that the section that its diameter is little forms main brake cylinder 2 form the emulator piston 19 that is integrated in the pedal stroke simulator 22 in the main brake cylinder 2.As among Fig. 1, pedal stroke simulator 22 has annular piston 20 and also is connected with braking liquid tank 14 by simulator valve 23 with simulator spring 21.Operation is undertaken by brake pedal 9, same force gauge 10 and/or the stroke sensor 11 that is used to measure the pressure sensor 24 of hydraulic pressure in the pedal stroke simulator 22 and is used to measure treadle effort and/or pedal stroke that exist.In the pressure chamber 12 that loads by primary piston 15, do not connect brake circuit, also can not have the connection of pressure ground thus but be connected with braking liquid tank 14 by seperating vale 13 equally among the pressure chamber 12 among Fig. 2 and Fig. 1.The mobile utilization of the parallel secondary piston that is arranged side by side 26 is arranged on movably in the main brake cylinder 2 and carries out with the intermediate piston 27 of the pressure-loaded of pressure chamber 12, and pressure chamber 12 is by rod piston 15 loadings.The power of intermediate piston 27 is delivered to utilizes pressure plate 28 to carry out in embodiment shown in Figure 2 on the secondary piston 26.
Have brake regulation system 3 among Fig. 2 equally, it has in each brake circuit that brake-pressure forms valve 6 and brake-pressure reduces valve 7 and by the electrical motor 8 common Hydraulic Pumps 5 that drive that are used for all brake circuits.As common in brake regulation system, brake-pressure formation valve 6 on the pressure side is connected with Hydraulic Pump 5, but they are not connected with the wheel braking cylinder of car side brake 4, but load the back side of secondary piston 26 and load the wheel braking cylinder of car side brake 4 indirectly by it.Brake-pressure reduces valve 7 and is connected with the back side of secondary piston 26 and is connected with braking liquid tank 14 with the suction side of Hydraulic Pump 5 equally.The independent brake-pressure regulation of wheel in the wheel braking cylinder of car side brake 4 utilizes brake regulation system 3 to carry out according to this standard in known mode itself, makes pressure control not be directly but is undertaken by secondary piston 26 indirectly.
The operation of automobile brake equipment 1 shown in Figure 2 is just undertaken by human control main brake cylinder 2 to be undertaken by depressing brake pedal 9 by the same way as that Fig. 1 was introduced with top.Seperating vale 13 is opened and main brake cylinder 2 does not have the connection of pressure ground thus, and outer dynamic braking utilization is carried out as the Hydraulic Pump 5 of exterior source of energy.Can carry out power brake as to Fig. 1 introduction equally, wherein manpower passes through external energy feedway reinforcement in the mode of electro-hydraulic.Simulator valve 23 is closed when brake operating, thereby surrounds braking liquid volume and 22 work of pedal stroke simulator that pedal stroke simulator 22 contains.Externally energy is supplied with under the malfunctioning situation, and auxiliary braking is undertaken by human control main brake cylinder 2, and wherein, seperating vale 13 cuts out and simulator valve 23 stays open.All car side brakes 4 are reinforcements voluntarily, in embodiments of the present invention, also can only a part of car side brake 4 are reinforcements voluntarily.Reduction procedure by hydraulic pressure shown in Figure 1 is passable equally in Fig. 2, and automobile brake equipment 1 can not have the car side brake 4 of reinforcement voluntarily yet.Corresponding with Fig. 2, automobile brake equipment 1 can have brake circuit independent of each other on the hydraulic pressure of any amount in principle, can be connected (not shown) with a brake circuit by a plurality of car side brakes 4 equally.Also can only a part of car side brake 4 be connected with one or more secondary cylinder 25 of main brake cylinder 2 and the operation of all the other brake circuits only utilizes the external energy feedway to carry out (not shown) as outer power brake.
Claims (8)
1. the automobile brake equipment of hydraulic pressure, have can manual operation main brake cylinder (2), hydraulic pressure is connecting the wheel braking cylinder of car side brake (4) on this main brake cylinder, and described automobile brake equipment also has the pressure source (5) as the hydraulic pressure of external energy feedway, utilize this pressure source to be used for brake operating with the hydraulic way on-load pressure to described wheel braking cylinder, it is characterized in that the pressure chamber (12) of described main brake cylinder (2) can not have pressure ground and connects.
2. press the automobile brake equipment of the described hydraulic pressure of claim 1, it is characterized in that, described automobile brake equipment (1) has braking liquid tank (14) and seperating vale (13), and the pressure chamber (12) of described main brake cylinder (2) utilizes this seperating vale to be connected with described braking liquid tank (14).
3. press the automobile brake equipment of the described hydraulic pressure of claim 1, it is characterized in that, described main brake cylinder (2) has the pedal stroke simulator (22) of integrated hydraulic pressure, and this pedal stroke simulator has can overcome the emulator piston (15) that spring force moves in described main brake cylinder (2).
4. by the automobile brake equipment of the described hydraulic pressure of claim 3, it is characterized in that described emulator piston (15) can not have pressure ground and connects.
5. by the automobile brake equipment of the described hydraulic pressure of claim 1, it is characterized in that described automobile brake equipment (1) has the car side brake of reinforcement (4) voluntarily.
6. by the automobile brake equipment of the described hydraulic pressure of claim 5, it is characterized in that described automobile brake equipment (1) has the car side brake (4) of the reinforcement voluntarily of hydraulic pressure.
7. by the automobile brake equipment of the described hydraulic pressure of claim 1, it is characterized in that described automobile brake equipment (1) is the double loop brake equipment with series connection main brake cylinder (2).
8. by the automobile brake equipment of the described hydraulic pressure of claim 1, it is characterized in that described automobile brake equipment (1) is that multi-circuit braking equipment and described main brake cylinder (2) have the piston (26) that is arranged in parallel.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200810001013 DE102008001013A1 (en) | 2008-04-04 | 2008-04-04 | Hydraulic vehicle brake system |
| DE102008001013.8 | 2008-04-04 | ||
| PCT/EP2009/051214 WO2009121645A1 (en) | 2008-04-04 | 2009-02-04 | Hydraulic vehicle braking system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102015392A true CN102015392A (en) | 2011-04-13 |
| CN102015392B CN102015392B (en) | 2014-06-25 |
Family
ID=40513811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200980112093.4A Expired - Fee Related CN102015392B (en) | 2008-04-04 | 2009-02-04 | Hydraulic vehicle braking system |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2265480A1 (en) |
| CN (1) | CN102015392B (en) |
| DE (1) | DE102008001013A1 (en) |
| WO (1) | WO2009121645A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102874234A (en) * | 2011-07-11 | 2013-01-16 | 罗伯特·博世有限公司 | Braking system for a vehicle |
| CN105073529A (en) * | 2013-03-28 | 2015-11-18 | 罗伯特·博世有限公司 | Brake system for a vehicle |
| CN105246777A (en) * | 2013-06-03 | 2016-01-13 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Brake actuation system |
| CN108944872A (en) * | 2017-05-17 | 2018-12-07 | 株式会社万都 | Electric brake system |
| CN111873969A (en) * | 2020-07-06 | 2020-11-03 | 东风汽车集团有限公司 | Electronic hydraulic line control brake system with independent double loops |
| CN113442887A (en) * | 2020-03-26 | 2021-09-28 | 比亚迪股份有限公司 | Brake master cylinder, hydraulic brake system and vehicle |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009057648A1 (en) * | 2009-12-09 | 2011-06-16 | Bayerische Motoren Werke Aktiengesellschaft | Braking system of a two-axle two-lane motor vehicle |
| DE102009055117A1 (en) | 2009-12-22 | 2011-06-30 | Robert Bosch GmbH, 70469 | Master brake cylinder for a hydraulic vehicle brake system and method for its operation |
| DE102010034671A1 (en) * | 2010-08-18 | 2012-02-23 | Volkswagen Ag | Brake assembly for e.g. electric car, has support assembly provided with hydraulic chamber, and switching valve device that closes chamber during operation mode in which relapse plane is opened |
| DE102011083237B4 (en) * | 2010-10-04 | 2021-12-09 | Continental Teves Ag & Co. Ohg | Brake system and procedure for its operation |
| DE102011086527A1 (en) | 2010-11-24 | 2012-05-24 | Continental Teves Ag & Co. Ohg | Brake assembly for motor car, has two simulation devices that are hydraulically controlled by other simulation device that is coupled with brake pedals by operating force transferring pressing rod |
| DE102011002966A1 (en) * | 2011-01-21 | 2012-07-26 | Robert Bosch Gmbh | A braking system for a vehicle and method for operating a braking system for a vehicle |
| FR2979089B1 (en) | 2011-08-19 | 2014-02-14 | Bosch Gmbh Robert | ELECTRO-HYDRAULIC DYNAMIC BRAKE SYSTEM AND CONTROL METHOD |
| DE102011083896A1 (en) | 2011-09-30 | 2013-04-04 | Robert Bosch Gmbh | Master brake cylinder for a brake system of a vehicle and method for operating a master cylinder |
| DE102013205639A1 (en) | 2013-03-28 | 2014-10-02 | Robert Bosch Gmbh | Brake system for a vehicle and a method for operating the brake system |
| DE102013216477A1 (en) * | 2013-08-20 | 2015-02-26 | Continental Teves Ag & Co. Ohg | Brake system for motor vehicles |
| DE102013223207A1 (en) | 2013-11-14 | 2015-05-21 | Robert Bosch Gmbh | Brake system for a vehicle and method for operating the brake system |
| DE102014211347A1 (en) * | 2014-06-13 | 2015-12-17 | Robert Bosch Gmbh | A pressure supply device for a hydraulic brake system, a hydraulic brake system for a vehicle, and a method for operating a hydraulic brake system of a vehicle |
| DE102017208937A1 (en) | 2017-05-29 | 2018-11-29 | Robert Bosch Gmbh | Bistable solenoid valve for a hydraulic brake system and corresponding hydraulic brake system |
| DE102017208938A1 (en) | 2017-05-29 | 2018-11-29 | Robert Bosch Gmbh | Bistable solenoid valve for a hydraulic brake system and corresponding hydraulic brake system |
| CN115402281B (en) * | 2022-09-09 | 2023-06-16 | 东风柳州汽车有限公司 | Electronic hydraulic braking system and method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3932692B2 (en) * | 1998-03-10 | 2007-06-20 | アイシン精機株式会社 | Vehicle brake device |
| DE10318850A1 (en) | 2003-04-25 | 2004-11-18 | Lucas Automotive Gmbh | Braking facility for a motor vehicle has a servo pressure circuit and a main braking cylinder with a displaceable primary piston in a hydraulic braking circuit for creating a braking pressure |
| DE102004025638A1 (en) | 2003-11-06 | 2005-09-08 | Continental Teves Ag & Co. Ohg | Braking system for motor vehicle has arrangement for coupling movements of second and third pistons activated depending on manner of operation of third piston in housing |
| JP4241505B2 (en) * | 2004-05-31 | 2009-03-18 | トヨタ自動車株式会社 | Brake control device for vehicle |
| JP4400435B2 (en) * | 2004-12-07 | 2010-01-20 | 日産自動車株式会社 | Brake control device |
| JP2007064433A (en) * | 2005-09-01 | 2007-03-15 | Advics:Kk | Disc brake device |
| JP2007131130A (en) * | 2005-11-10 | 2007-05-31 | Hitachi Ltd | Brake device |
-
2008
- 2008-04-04 DE DE200810001013 patent/DE102008001013A1/en not_active Withdrawn
-
2009
- 2009-02-04 EP EP09729031A patent/EP2265480A1/en not_active Withdrawn
- 2009-02-04 WO PCT/EP2009/051214 patent/WO2009121645A1/en active Application Filing
- 2009-02-04 CN CN200980112093.4A patent/CN102015392B/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102874234A (en) * | 2011-07-11 | 2013-01-16 | 罗伯特·博世有限公司 | Braking system for a vehicle |
| CN102874234B (en) * | 2011-07-11 | 2017-04-26 | 罗伯特·博世有限公司 | Braking system for a vehicle |
| CN105073529A (en) * | 2013-03-28 | 2015-11-18 | 罗伯特·博世有限公司 | Brake system for a vehicle |
| CN105073529B (en) * | 2013-03-28 | 2017-11-24 | 罗伯特·博世有限公司 | Brakes for motor vehicle |
| CN105246777A (en) * | 2013-06-03 | 2016-01-13 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Brake actuation system |
| CN105246777B (en) * | 2013-06-03 | 2018-04-10 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Brake actuating system |
| CN108944872A (en) * | 2017-05-17 | 2018-12-07 | 株式会社万都 | Electric brake system |
| CN108944872B (en) * | 2017-05-17 | 2020-07-24 | 株式会社万都 | Electronic brake system |
| US10940834B2 (en) | 2017-05-17 | 2021-03-09 | Mando Corporation | Electronic brake system |
| CN113442887A (en) * | 2020-03-26 | 2021-09-28 | 比亚迪股份有限公司 | Brake master cylinder, hydraulic brake system and vehicle |
| CN111873969A (en) * | 2020-07-06 | 2020-11-03 | 东风汽车集团有限公司 | Electronic hydraulic line control brake system with independent double loops |
| CN111873969B (en) * | 2020-07-06 | 2022-03-15 | 东风汽车集团有限公司 | Electronic hydraulic line control brake system with independent double loops |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102015392B (en) | 2014-06-25 |
| WO2009121645A1 (en) | 2009-10-08 |
| DE102008001013A1 (en) | 2009-10-08 |
| EP2265480A1 (en) | 2010-12-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102015392B (en) | Hydraulic vehicle braking system | |
| CN100577484C (en) | Brake device for motor vehicles | |
| CN102307765B (en) | There is the hydraulic brake system of controlled supercharging | |
| CN102431535B (en) | Hydraulic brake system | |
| CN101868387B (en) | Brake system for motor vehicles | |
| US9428168B2 (en) | Brake device | |
| KR101935463B1 (en) | Integrated Electronic Hydraulic Brake System | |
| US20050269875A1 (en) | Vehicle brake device | |
| KR102027004B1 (en) | Brake device | |
| KR101710877B1 (en) | Main brake cylinder for a hydraulic vehicle brake system and method for operating same | |
| US20150314765A1 (en) | Brake Device | |
| CN102431534B (en) | Hydraulic brake system | |
| CN101263033A (en) | Motor vehicle braking system | |
| JP2005511385A (en) | Arrangement structure of electrohydraulic brake system and method for controlling electrohydraulic brake system and tandem brake master cylinder | |
| CN102686457B (en) | Hydraulic vehicle brake system | |
| WO2012058330A2 (en) | Hydraulic brake system with controlled boost | |
| CN101945790A (en) | Brake control apparatus | |
| CN102256846A (en) | Method for controlling a hydraulic vehicle brake system | |
| CN102371985A (en) | Automobile braking system and method used for running automobile braking system | |
| US20160052498A1 (en) | Brake-Hydraulic-Pressure Control Device | |
| US9038380B2 (en) | Master cylinder device | |
| CN108791260B (en) | Wire control hydraulic braking system utilizing EPB auxiliary redundancy | |
| CN110901620B (en) | Control valve, electronically controllable brake system and method for controlling said system | |
| CN110901621B (en) | Control valve, electronically controllable brake system and method for controlling said system | |
| CN108025717B (en) | Hydraulic brake system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20210204 |