CN108944881A - It being capable of the electronically braking equipment of pressure regulation and the method for controlling it - Google Patents
It being capable of the electronically braking equipment of pressure regulation and the method for controlling it Download PDFInfo
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- CN108944881A CN108944881A CN201810480229.8A CN201810480229A CN108944881A CN 108944881 A CN108944881 A CN 108944881A CN 201810480229 A CN201810480229 A CN 201810480229A CN 108944881 A CN108944881 A CN 108944881A
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- Prior art keywords
- brake circuit
- pressure
- pump unit
- brake
- wheel drag
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/662—Electrical control in fluid-pressure brake systems characterised by specified functions of the control system components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves
- B60T13/686—Electrical control in fluid-pressure brake systems by electrically-controlled valves in hydraulic systems or parts thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
-
- 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
- B60T8/321—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 deceleration
- B60T8/3255—Systems in which the braking action is dependent on brake pedal data
- B60T8/326—Hydraulic systems
-
- 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
- B60T8/343—Systems characterised by their lay-out
- B60T8/344—Hydraulic systems
-
- 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
- B60T8/343—Systems characterised by their lay-out
- B60T8/344—Hydraulic systems
- B60T8/348—4 Channel systems
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Regulating Braking Force (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
It being capable of the electronically braking equipment of pressure regulation and the method for being controlled the braking equipment for capableing of electronically pressure regulation.Equipped with the pressure medium assembly for setting and adjusting at wheel drag, wheel individual brake pressure, a brake circuit that wheel drag is associated with respectively in multiple brake circuits of braking equipment is simultaneously connect with pressure medium assembly braking equipment.Pressure medium assembly has the valve gear that can electronically manipulate steerable pump unit and can electronically manipulate thus.The latter is respectively that each of wheel drag wheel drag includes that the outlet valve that the pressure medium of wheel drag flows out is flowed out in the inlet valve that the pressure medium for flowing to wheel drag with control attached flows into and control.Each wheel drag of braking equipment is contacted at least two brake circuits respectively, wherein the pump unit and valve gear of a brake circuit are able to manipulate independently of the pump unit of another brake circuit accordingly and valve gear.
Description
Technical field
The present invention relates to a kind of feature of preamble according to claim 1, motor-driven in particular for what is independently travelled
The braking equipment for capableing of electronically pressure regulation of vehicle, is additionally related to that a kind of 0 preamble, right arranged side by side are wanted according to claim 1
Ask 11 or the side by side method for being controlled the braking equipment for capableing of electronically pressure regulation of claim 12.
Background technique
The braking equipment for capableing of electronically pressure regulation of conventional motor vehicle is equipped with for setting and adjusting in wheel braking
The pressure medium assembly of at device, wheel individual brake pressure, the wheel drag are associated with the braking equipment respectively
It a brake circuit in multiple brake circuits and is connect with the pressure medium assembly.The pressure medium assembly exists thus
Steerable pump unit can electronically be manipulated and in each connected wheel by having at each brake circuit
There is the valve gear that can electronically manipulate at brake.The latter includes inlet valve and outlet valve, wherein described two
A valve can also be aggregated into valve cell.The pressure medium for the wheel drag that the inlet valve control flow direction is attached flows into, and institute
State the pressure medium outflow for the wheel drag attached described in outlet valve control outflow.Electronic controller is to the pump unit and institute
State valve adapted at the wheel of vehicle existing for sliding scales manipulation, which detects and analyzes thus
Utilize the sensor signal of vehicle side.
For that can adjust the braking equipment of sliding in motor vehicle, different according to its envelop of function also use abs braking
The titles such as equipment, ASR braking equipment or ESP braking equipment.The hydraulic circuit diagram of this vehicle brake apparatus is for example in sieve primary
The Yellow series handbook of entitled " the driving stability system " of special Bosch Co., Ltd, ISBN-3-7782-2026-8, the 91st He
Page 92 are upper open.The hydraulic circuit diagram of the vehicle brake apparatus with anti-lock regulating mechanism (ABS) is shown on page 91,
Hydraulic time of the vehicle brake apparatus with driving stability regulating mechanism (ESP) relative to this remodeling is shown on page 92
Lu Tu.
The braking equipment for capableing of electronically pressure regulation known to these is designed for the control that carries out by driver.This meaning
, in case of a fault, i.e., when for example breaking down in the vehicle electronic circuit of vehicle, which can manually execute always
Braking process.This so-called mechanical or hydraulic rollback level (R ü ckfallebene) fatefully determines this vehicle
The layout of braking equipment.
Currently, in automotive field that is autonomous, travelling to non-driver, there are powerful development activities.However,
The attention of passenger cannot be guaranteed in running in the motor vehicle independently travelled, so that in case of emergency cannot
Enough assume the intervention of passenger.Therefore, all safety-related systems of such vehicle, i.e. especially steering system and braking system
System, it is necessary to redundantly implement.The security system redundantly implemented allows, even if a system jam in the system
When the vehicle is also run in the state of safety, the manual intervention without passenger.However, the braking equipment of redundancy is opposite
In traditional braking equipment there is considerably higher construction to spend and accordingly higher construction space requirement, in addition to this also
Lead to higher cost.
Summary of the invention
In contrast, the braking equipment for capableing of electronically pressure regulation according to the features of claim 1 has an advantage that benefit
A kind of braking equipment of redundancy is realized in a manner of particularly compact and cost advantages with it, which is suitable for using
In the motor vehicle independently travelled.Proposed braking equipment is by traditional group that can be manipulated in a manner of electro-hydraulic itself
Part constructs, and is divided into the brake circuit with well-known and the hydraulic layout by repeatedly testing.
Further advantage of the invention or advantageous modification are obtained by dependent claims and/or by following specification
Out.
By check-valves that is simple, preferably without spring implementing, which, which is arranged in, is associated with wheel drag
The downstream of each inlet valve, to prevent the brake pressure generated by the first pump for being associated with the first brake circuit can be via second
The second entrance valve for being subordinated to the second pump of brake circuit reduces in an undesired manner.It is traditional, driver's control motor-driven
The braking equipment of vehicle does not have this check-valves.
The pressure medium assembly of proposed braking equipment can be constructed by multiple sub- assemblies, and the sub- assembly is at it
Aspect can be shown by carrying out the change in the structure that can simply implement at known pressure medium assembly.Cause
This, sub- assembly can be manufactured and be assembled in existing production equipment.In principle, used pressure medium assembly is even
Pressure medium assembly relative to known braking equipment has simpler structure, because respect to which can be in the braking
For the driver, hydraulic or mechanical intervention (Durchgriff) is abandoned when device fails.In addition to this,
Proposed braking equipment does not have main braking cylinder or brake pedal.The pump intake of used pump is stored up with pressure medium respectively
Standby container is directly connected to.It participates in, can be used without alternatively cancelling due to lacking necessary driver in braking process
In the valve for controlling the pressure medium connection between main braking cylinder and wheel drag, and the function of driving stability adjustment structure
Property therefore can be indicated in pump case by the size of the pump case of anti-lock adjustment structure.
The preferably mutual structure having the same of used sub- assembly, and can also be replaced mutually ground or alternately control
Braking process processed.Accordingly designing this reduce assembly load during its service life and adaptedly its component
When cause cost to reduce.
Detailed description of the invention
The embodiment of the present invention is shown in the accompanying drawings and elaborates in following specification.
Fig. 1 show first embodiment according to the present invention, can electronically adjust the braking equipment of sliding
Hydraulic circuit diagram；
Fig. 2 shows the hydraulic circuit diagrams of first remodeling scheme according to the present invention；
Fig. 3 shows the hydraulic circuit diagram of second remodeling scheme according to the present invention；With
Fig. 4 is shown when the braking equipment is in hydraulic time of braking equipment when pressure is established in the operating status that dynamic improves
Lu Tu.
Specific embodiment
The braking equipment 10 shown in FIG. 1 for capableing of electronically pressure regulation is made of pressure medium assembly 12, and the pressure medium is total
Ingredient is at two in total sub- assembly 12a, 12b.Described two sub- assembly 12a, 12b be mutually configured to it is identical so that other
Elaboration can be confined to the sub- assembly 12a.
The sub- assembly 12a includes so-called pump case 14, which is equipped with is can electronically manipulating,
Control the component of pressure medium.In this respect, it is noted that two pumps 16, the pump can be grasped by common drive motor 18
It is vertical.The pump 16 can be alternatively single-piston pump or multiple-piston pump respectively, but also can be gear pump or the like.
Each pump 16 to brake circuit 20a, 20b supply pressure medium for attaching, and thus using its suction side be externally arranged
And the tank 22 that contacts with the pump case 14 is directly connected to respectively or the reflux with the brake circuit 20 thus
Structure 24 is directly in parallel respectively.The pump 16 on the pressure side respectively via inlet valve 26 and respectively via in the flowing direction with it is described
The concatenated check-valves 28 of inlet valve 26 and connect with a wheel drag in the wheel drag of brake circuit 20 30.It is described
Check-valves 28 preferably without spring is implemented, and once the stress level in 28 downstream of check-valves has than on the check-valves 28
Swim higher value, then the check-valves from the inlet valve 26 to circulating on the flow direction of the wheel drag 30 or
It is latched on direction in contrast to this.At each brake circuit 20, the braking equipment 10 has in total there are two wheel braking
Device 30 and therefore have two entrances valve 26.The inlet valve 26 controls pressure medium and flows into the inflow of wheel drag 30 simultaneously
And to control brake pressure foundation.
The wheel drag 30 of one brake circuit 20 is arranged at the opposed wheel of mutual diagonal line of vehicle, therefore, root
According to this schematic diagram, which is the braking equipment 10 with the diagonal division of described brake circuit 20a, 20b.
Other than the inlet valve 26, each wheel drag 30 of the brake circuit 20 is associated with outlet valve 32.Institute
State the outflow that outlet valve control flows out to pressure medium in the tank 22 from the wheel drag 30 attached, and from
And control brake pressure reduction.For this purpose, the outlet valve 32 is arranged in the return-flow structure 24, on the one hand which exists
Between the check-valves 28 in 26 downstream of inlet valve and the wheel drag 30 for being associated with the inlet valve 26 with the brake circuit
On the other hand 20 contacts are directly communicated to the tank 22 or lead at the pump case 14 for the tank
Interface.The outlet valve 32 is embodied as ratio adjusting valve, and can be grasped according to their electronics in multiple middle positions
Control is transformed into circulating positions from the initial position of closing.In contrast, the inlet valve 26 is switching valve, and the switching valve can
It is switched in locked position of coupler by the initial position that electronic control is normally opened from it, and prevents take up stable interposition herein
It sets.However, this embodiment of the inlet valve 26 is considered merely as example；Thus also it can be considered that equally that the inlet valve is real
It applies for proportioning valve, such as when the pressure-adjustable in the brake circuit 10 must be given priority more higher than cost.
Every sub- assembly 12a, 12b are respectively provided with two brake circuit 20a, 20b for equipping or constructing in this way.Under
State mode realize described two sub- assembly 12a, 12b conducting pressure medium coupling: the brake circuit of a sub- assembly 12a
A brake circuit in 20a, 20b is in parallel with brake circuit 20a, 20b of corresponding another sub- assembly 12b respectively.Described
The wheel drag 30 of corresponding link position between brake circuit 20a, 20b located immediately at this brake circuit 20a, 20b
Upstream, i.e., the wheel system that the branch in flow technique positioned at the return-flow structure 24 is connect with described brake circuit 20a, 20b
Between the branch of dynamic device 30.
According to the embodiment of Fig. 1, every sub- assembly 12a, 12b are associated with the tank 22 of oneself.However, can also examine
Consider, two sub- assembly 12a, 12b from common tank 22 be oneself supply pressure medium or by pressure medium it is defeated
Send common tank 22 back to.
Illustrated vehicle brake apparatus works in the following manner:
When starting braking process, by being associated with the electronic controller 34 of described sub- assembly 12a, 12b to the drive motor 18
Electronic control is carried out, thus the manipulation of this drive motor is associated with the pump 16 of the brake circuit 30.These pumps are directly from described
22 suction pressure medium of tank, and conveyed the pressure medium by the check-valves 28 of the inlet valve 26 and subordinate
Into the wheel drag 30 of related brake circuit 20a, 20b.Here, the outlet valve 32 remains turned-off, so that
Brake pressure occurs in the wheel drag 30 to establish, in advance until having reached desired, by the electronic controller 34
Given brake pressure is horizontal.Once having reached this brake pressure level, then the inlet valve 26 is switched to the locking position
Cancel the manipulation of the drive motor 18 in setting and when necessary.
Since there are the brake circuits of brake circuit 20a, 20b of a sub- assembly 12a and corresponding another sub- assembly 12b
The coupling of 20a, 20b, the pressure medium conveyed from the pump 16 of a sub- assembly 12a also overflow to corresponding another sub- assembly 12b.?
This, is subordinated to the check-valves 28 of the inlet valve 26 and the outlet valve of another sub- assembly 12b closed without stream in flow technique
32 prevent together pressure medium can be leaked out by the inlet valve or outlet valve 26,32 towards the tank 22 and
Therefore the brake pressure can be damaged to establish.
The decline of the brake pressure set at the wheel drag 30 is realized by outlet valve 32 described in electronic control.
According to the electronic control, the outlet valve 32 discharges the open cross-section that can be set in a variable manner, passes through the opening
Cross section pressure medium can flow out from the wheel drag 30 towards the tank 22 and therefore in the wheel
Desired brake pressure adaptation is able to carry out in brake 30.This brake pressure adaptation can either be according to the vehicle in the vehicle
Changed sliding scales (Schlupfverh ltnisse) at wheel or can according to changed transportation condition come
It executes, and is determined or executed by being associated with the electronic controller 34 of described sub- assembly 12a, 12b respectively.Certainly, in order to
The redundancy of the braking equipment 10, each controller 34 must be coupled with the voltage supply device of oneself.
Using the pressure medium assembly being made of two sub- assembly 12a, 12b to the control of braking equipment 10 can herein this
Sample carries out, so that successive braking process is alternately controlled by a sub- assembly 12a, then by another sub- assembly 12b.It is described
This alternate operation of sub- assembly 12a, 12b reduce their load, and can correspondingly design in structure
It is cost-savingly accounted for when the respective component of this little assembly 12a, 12b.
Certainly, same it can be considered that, the braking equipment 10 is controlled in this way, so that a son in the sub- assembly
Assembly 12a controls all braking process, and corresponding another sub- assembly 12b is only when the first sub- assembly 12a breaks down
It is activated.
In the illustrated braking equipment 10 of operation, another operating status can occur, in the running status, described
The inlet valve 26 is closed in a brake circuit 20a in brake circuit, because in the wheel drag 30 attached
Required brake pressure has been had reached, and must additionally establish the brake pressure in corresponding another brake circuit 20b,
And therefore the inlet valve 26 of this brake circuit 20b is also open.There are following difficulties in these cases: due to described
Pump 16 is manipulated jointly, in the brake circuit 20a for having had reached required brake pressure, loop region and is arranged in
Component therein can be by undesirably high pressure load.
This state can be encountered, manipulates the outlet valve for the brake circuit 20a being conditioned in this way in the state
32, so that pressure medium throttling ground is flowed out from these outlet valves 32 towards the tank 22, wherein so adjust outflow
The range of pressure medium amount so that keep desired brake pressure, and with the loop region of the pump 16 on the pressure side connecting
In there is not the pressure load being enhanced.
Solution is shown as in the case of the embodiment according to fig. 2 instead of this.This braking equipment 10 is ' in addition to having illustrated
Component except be further equipped with pump inlet valve 36, which is arranged on the suction side of the pump 16 and to controlling the pump
16 connect with the pressure medium of the tank 22.The pump inlet valve 36 is configured to without 2/2 open tunnel switching valve of stream simultaneously
And can be connected under conditions of elaboration by the pressure medium that electronic control locking is previously mentioned, to prevent undesirable pressure from increasing
Add.Other than the pump inlet valve 36 illustrated, the loop diagram is consistent with the loop diagram in Fig. 1.
According to the implementation of Fig. 3 exemplify for solve to be illustrated braking equipment 10 ' ' the problems in the second alternative
Case.This solution is the pressure limiting valve of pump 16 corresponding with described brake circuit 20a, 20b control pressure in parallel respectively
38.This pressure limiting valve 38 according to the pump 16 on the pressure side on pressure and overcome reset force to be switched in circulating positions,
There are the connection of the on the pressure side conducting pressure medium between suction side of the pump 16 in the circulating positions, that is, generate hydraulic short
Road.The pump 16 only discharge pressure medium also in the circuit due to this short circuit, and to prevent in the pump 16
The undesirable pressure increase in loop region between outlet and inlet valve 26.It is described other than additional pressure limiting valve 38
Brake circuit in brake circuit 20a, 20b and Fig. 1 is configured to unanimously, wherein illustrates only braking equipment 10 in figs 2 and 3
Two brake circuits 20a, 20b in total in a brake circuit.In addition, mutual corresponding component has phase in Fig. 1 to 3
Same appended drawing reference.
In addition to this, operational mode is also applied for according to the braking equipment 10 of Fig. 1 to 3, it is important in the operational mode
, a large amount of pressure mediums are pressed at least one wheel drag in the wheel drag 30 in short time, so as to via
Quick brake pressure is established and brakes or stop the vehicle in short brake path.In this case, ability
Field technique personnel are considered that extra high pressure establishes dynamic brake condition.
If such as such necessity, described two sub- assembly 12a, 12b have been determined by the sensing device of vehicle side
It is manipulated jointly by the electronic controller 34 attached respectively and at the same time running.Two sub- assembly 12a, 12b it is therefore common or
Pressure medium is conveyed into a total of four wheel drag 30 to the braking equipment 10 under brake pressure in parallel.It is same with this
When, the pressure for manipulating described sub- assembly 12a, 12b in this way establishes valve or inlet valve 26, so that only respectively in the wheel braking
The connection of conducting pressure medium is established between a wheel drag in device 30 and what a proper pump 16 of the braking equipment 10.
It is different from (normal) operating status, the brake circuit 20a in the operating status；The pump 16 of 20b is in brake pressure
It is lower to be and this brake circuit 20a；Therefore the 30 supply pressure medium of multiple or all wheel drags of 20b connection is having
There is high pressure to establish each wheel drag 30 under dynamic brake condition to be only also associated in existing a total of four pump 16
Just what a pump or each wheel drag 30 are by just pressure medium of 16 supply of what a pump under brake pressure.
Thus pump 16 and the wheel drag 30 attached are directly connected to each other, so that the besieged pressure between component
Power media column is very short and has high rigidity.Accordingly can rapidly and effectively it occur in the wheel drag 30
Brake pressure is established.
The illustrated pressure establishes valve or the interconnection of inlet valve 26 is shown in FIG. 4.
According to this Fig. 4, the brake circuit 20a of the first sub- assembly 12a is equipped with pump 16.1, and in this pump 16.1
Downstream branch is at the first braking branch 40.1 and the second braking branch 40.2.Described two braking branches 40.1；It is every in 40.2
One braking branch contacts two wheel drags 30.1 in total of brake circuit 20a respectively；What a proper vehicle in 30.2
Brake is taken turns, and is respectively equipped with pressure at each wheel drag 30.1,30.2 and establishes valve or inlet valve 26.1；
26.2, which establishes the wheel drag 30.1 that valve or inlet valve control this pump 16.1 and attach respectively；30.2 pressure
Power media connection.
The pressure of the first braking branch 40.1 establishes valve or inlet valve 26.1 is in initial position, in the initial bit
The pressure medium connection set between pump 16.1 and wheel drag 30.1 is open.Unlike this, the inlet valve
26.2 are manipulated in the second braking branch 40.2 of first brake circuit 20.1 by the electronic controller 34.1, are occupied it and are closed
Lock position and thus pressure medium connection of the interruption between the pump 16.1 and second wheel drag 30.2.Cause
This, the pump 16.1 of present first brake circuit 20a only also with described two wheel drags 30.1；A wheel in 30.2
Connect to brake conducting pressure medium.
Second wheel drag 30.2 is supplied to pressure medium via the second brake circuit 20c.This second braking
20c construction in circuit is also included in this in the second sub- assembly 12b arranged side by side and other than the second other pump 16.3
Pump two braking branches 40.3 of 16.3 downstream branch；40.4 and be arranged in these braking branches 40.3,40.4 in pressure
Establish valve or inlet valve 26.3；26.4.Inlet valve 26.4 in these inlet valves occupies the circulating positions again, and it is another enter
Mouth valve 26.3 is switched to the locked position of coupler by the electronic control of the electronic controller 34b.With in circulating positions
The braking branch 40.4 of the sub- assembly 12b of the second of inlet valve 26.4 is connect with second wheel drag 30.2, and is had and closed
The braking branch 40.3 of the inlet valve 26.3 closed is contacted with first wheel drag 30.1.Therefore second pump 16.3 exists
The 30.2 supply pressure medium of the second wheel drag is only given under brake pressure.
It is respectively provided with since every sub- assembly in described two sub- assembly 12a, 12b corresponds to illustrated embodiment
Two brake circuit 20a and 20b or 20c and 20d, thus a total of four wheel drag 30.1 of the braking equipment 10 to
30.4 can individually load via the pump 16.1 to 16.4 that correspondingly just what a is attached in brake pressure in a simple manner
Under pressure medium.Common drive motor 18a；18b is enough to drive every sub- assembly 12a respectively；Described two pumps of 12b
16.1,16.2 or 16.3,16.4.The sub- assembly 12a；12b's is not known the brake circuit 20.b and 20.d illustrated and institute
The brake circuit 20a of explanation be configured to 20c it is consistent, and with equivalent mode give the braking equipment 10 third wheel braking
Device 30.3 or four-wheel brakes 30.4 supply the pressure medium under brake pressure.
It is of course possible to will be illustrated to the pressure establish valve or inlet valve 26.1,26.2 or 26.3,
26.4 manipulation turns to and to by each wheel drag 30.1, be connected to brake circuit to 30.2 conducting pressure media
On corresponding another braking branch 40.1,40.2 or 40.3,40.4 of 20a, 20c.In addition, for the driving stability of the vehicle
Property for can advantageously, be different sub- assembly 12a;12b attaches the opposed vehicle of mutual diagonal line of different wheel axis
Take turns brake 30.1 to 30.4.
In addition to this also it can be considered that change or increase to the embodiment, without departing from basic think of of the invention
Think.
Claims (14)
1. it is capable of the braking equipment of electronically pressure regulation,
Its particularly for the motor vehicle that independently travels,
It has total for setting and adjusting the pressure medium of at wheel drag (30), wheel individual brake pressure
At (12), the wheel drag is associated with a braking in multiple brake circuits (20) of the braking equipment (10) respectively
It circuit and is connect with the pressure medium assembly (12),
Wherein, the pressure medium assembly (12) is at each brake circuit (20) equipped with electronically can manipulating ground
Steerable pump unit (16) and at each connected wheel drag (30) equipped with can electronically grasp
The valve gear (26,32) of control, the pressure medium that the valve gear control flows to the wheel drag (30) flow into,
It is characterized in that,
Each wheel drag (30) of the braking equipment (10) is contacted at least one second brake circuit (20) respectively, institute
The second brake circuit is stated equipped with can electronically manipulate steerable second pump unit (16) and in each institute
Equipped with the second valve gear (26,32) that can electronically manipulate at the wheel drag (30) of connection, wherein a system
The pump unit (16) and valve gear (26,32) of dynamic circuit (20) are able to the pump independently of corresponding another brake circuit (20)
Manipulate to unit (16) and valve gear (26,32).
2. the braking equipment according to claim 1 for capableing of electronically pressure regulation,
It is characterized in that,
The valve gear (26,32) for being associated with wheel drag (30) is respectively divided into inlet valve (26) and outlet valve (32), described
The pressure medium that inlet valve control flows to the wheel drag (30) flows into, and the wheel braking is flowed out in the outlet valve control
The pressure medium of device (30) flows out, wherein the outlet valve (32) can be transformed into according to electronic control from locked position of coupler unlimited
It is transformed into circulating positions in the middle position of quantity.
3. the braking equipment according to claim 2 for capableing of electronically pressure regulation,
It is characterized in that,
It is respectively arranged with check-valves (28), the check-valves (28) especially without spring in the downstream of the valve gear (26), it is described
Check-valves is from the valve gear (26；32) to being circulation on the flow direction of the wheel drag (30), and with
It is latched on this opposite flow direction.
4. the braking equipment according to claim 3 for capableing of electronically pressure regulation,
It is characterized in that,
It contacts with each other with being associated at least two brake circuits (20) conducting pressure medium of wheel drag (30), wherein institute
Brake circuit (20) is stated respectively in the downstream contact of the check-valves (28).
5. the braking equipment according to any one of claim 2 to 4 for capableing of electronically pressure regulation,
It is characterized in that,
The outlet valve (32) is arranged in return-flow structure (24), the suction attachment of the return-flow structure and pump unit (16)
Tank (22) connection for being directly connected to and being connect in parallel with the pressure medium assembly (12).
6. the braking equipment according to any one of claim 1 to 5 for capableing of electronically pressure regulation,
It is characterized in that,
The first pump unit (16) of first brake circuit (20) is arranged in the first pump unit (16) of the second brake circuit (20)
In common the first pump case (14), first pump case has the first drive motor for manipulating the pump unit (16)
(18), also,
Second pump unit of the second pump unit (16) of first brake circuit (20) and second brake circuit (20)
(16) it is arranged in the second pump case (14) that is common, being separated in structure with first pump case (14), described second
Pump case has the second drive motor (18) for manipulating the pump unit (16).
7. the braking equipment according to claim 6 for capableing of electronically pressure regulation,
It is characterized in that,
The wheel drag for being respectively used to be externally arranged only is configured at each pump case in the pump case (14)
(30) and be used for tank (22) interface.
8. the braking equipment according to any one of claim 1 to 7 for capableing of electronically pressure regulation,
It is characterized in that,
It is provided on the suction side of at least one pump unit (16) of brake circuit (20) for controlling this pump unit (16)
Pressure medium supply, the pump inlet valve (36) that can electronically manipulate.
9. the braking equipment according to any one of claim 1 to 7 for capableing of electronically pressure regulation,
It is characterized in that,
Pressure limiting valve (38) is in parallel at least one pump unit (16) of brake circuit (20), and the pressure limiting valve is according to single in same pump
First (16) on the pressure side on pressure control from this pump unit (16) on the pressure side to the pressure medium connection of suction side.
10. the method for being controlled the braking equipment for capableing of electronically pressure regulation, each to connect in the braking equipment
The wheel drag (30) connect is contacted with the brake circuit (20) that at least two are separated from each other, and the brake circuit is in order to adjust
Brake pressure in the wheel drag (30) is respectively equipped with pump unit (16) and valve gear (26；32), wherein the pump
Unit (16) and the valve gear (26；32) it can manipulate independently of each other and separated from each other respectively, which is characterized in that
The brake pressure described in successive braking process alternately pass through manipulation one brake circuit (20) pump unit (16) and
Valve gear (26；Or pump unit (16) and valve gear (26 by manipulating corresponding another brake circuit (20) 32)；32) come
Control.
11. the method for being controlled the braking equipment for capableing of electronically pressure regulation, each to connect in the braking equipment
The wheel drag (30) connect is contacted with the brake circuit (20) that at least two are separated from each other, and the brake circuit is in order to adjust
Brake pressure in the wheel drag (30) is respectively equipped with pump unit (16) and valve gear (26；32), wherein the pump
Unit (16) and the valve gear (26；32) it can manipulate independently of each other and separated from each other respectively, which is characterized in that
The pump unit (16) and valve gear that the brake pressure described in successive braking process passes through manipulation one brake circuit (20)
(26；32) it controls, also,
When the operation troubles of a brake circuit (20) has been determined, the pump unit (16) of corresponding another brake circuit (20) is manipulated
With valve gear (26；32).
12. the method for being controlled the braking equipment for capableing of electronically pressure regulation, each to connect in the braking equipment
The wheel drag (30) connect is contacted with the brake circuit (20) that at least two are separated from each other, and the brake circuit is in order to adjust
Brake pressure in the wheel drag (30) is respectively equipped with pump unit (16) and valve gear (26；32), wherein the pump
Unit (16) and the valve gear (26；32) it can manipulate independently of each other and separated from each other respectively, which is characterized in that
The pump unit (16) of the brake circuit (20) is manipulated simultaneously, and manipulates the valve gear of the brake circuit (20) in this way
(26,32), so that a wheel drag in the wheel drag (30) and the pump unit (16) respectively is lucky
The connection of conducting pressure medium is generated between one pump.
13. according to the method for claim 12, which is characterized in that
When existing, there is high pressure to establish dynamic brake condition, especially emergency braking situation, the method is executed.
14. according to the method for claim 13, which is characterized in that
The valve gear (26,32) of brake circuit (20) has the first and second inlet valves (26), first and second inlet valve
It is associated with the wheel drag (30) of this brake circuit (20) respectively, and is establishing dynamic brake condition with high pressure
In manipulate these inlet valves (26) in this way so that an inlet valve in the inlet valve (26) of the brake circuit (20) occupies stream
Corresponding another inlet valve (26) of logical position and same brake circuit (20) occupies locked position of coupler.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017208351.4 | 2017-05-18 | ||
| DE102017208351 | 2017-05-18 | ||
| DE102018205957.8 | 2018-04-19 | ||
| DE102018205957.8A DE102018205957A1 (en) | 2017-05-18 | 2018-04-19 | Electronically adjustable brake system and method for controlling an electronically pressure-controllable brake system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108944881A true CN108944881A (en) | 2018-12-07 |
| CN108944881B CN108944881B (en) | 2022-07-08 |
Family
ID=64278200
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810480229.8A Active CN108944881B (en) | 2017-05-18 | 2018-05-18 | Electronically voltage-regulatable brake device and method for controlling same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108944881B (en) |
| DE (1) | DE102018205957A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111348024A (en) * | 2018-12-20 | 2020-06-30 | 罗伯特·博世有限公司 | Brake system for a vehicle, vehicle and method for operating a brake system |
| CN112298144A (en) * | 2019-08-01 | 2021-02-02 | 罗伯特·博世有限公司 | Hydraulic brake system for a motor vehicle, operating method |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019207517A1 (en) | 2019-05-22 | 2020-11-26 | Volkswagen Aktiengesellschaft | Brake control system |
| DE102019208398A1 (en) * | 2019-06-07 | 2020-12-10 | Robert Bosch Gmbh | Method for testing an electro-hydraulic power vehicle brake system for an autonomously driving land vehicle for air in the brake fluid |
| DE102019210608A1 (en) | 2019-07-18 | 2021-01-21 | Robert Bosch Gmbh | Method for operating a hydraulic external vehicle brake system for autonomous driving |
| DE102020216322A1 (en) * | 2020-12-18 | 2022-06-23 | Robert Bosch Gesellschaft mit beschränkter Haftung | Braking system for at least a two-axle vehicle |
| DE102021204958A1 (en) * | 2021-05-17 | 2022-11-17 | Robert Bosch Gesellschaft mit beschränkter Haftung | Braking system and method for braking an at least two-axle vehicle |
| DE102021122501A1 (en) | 2021-08-31 | 2023-03-02 | Zf Cv Systems Global Gmbh | Electronically controllable pneumatic braking system with a fail-safe braking application for autonomous driving with only one shuttle valve |
| CN114537350B (en) * | 2022-03-29 | 2023-03-24 | 浙江工业大学 | Digital hydraulic auxiliary high-dynamic-response brake system and control method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11314599A (en) * | 1998-01-12 | 1999-11-16 | Messier Bugatti | Brake device for braking set of aircraft wheels |
| US20010022254A1 (en) * | 1999-12-30 | 2001-09-20 | Robert Bosch Gmbh | Hydraulic vehicle brake system |
| CN102963343A (en) * | 2012-11-09 | 2013-03-13 | 江苏华商企业管理咨询服务有限公司 | Loader braking system |
| CN103189254A (en) * | 2010-11-04 | 2013-07-03 | 罗伯特·博世有限公司 | Hydraulic vehicle brake system |
| US9555788B2 (en) * | 2013-10-24 | 2017-01-31 | Audi Ag | Motor vehicle |
| CN106536308A (en) * | 2014-07-28 | 2017-03-22 | 纽约气闸有限公司 | Control system for rail car parking brake |
-
2018
- 2018-04-19 DE DE102018205957.8A patent/DE102018205957A1/en active Pending
- 2018-05-18 CN CN201810480229.8A patent/CN108944881B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11314599A (en) * | 1998-01-12 | 1999-11-16 | Messier Bugatti | Brake device for braking set of aircraft wheels |
| US20010022254A1 (en) * | 1999-12-30 | 2001-09-20 | Robert Bosch Gmbh | Hydraulic vehicle brake system |
| CN103189254A (en) * | 2010-11-04 | 2013-07-03 | 罗伯特·博世有限公司 | Hydraulic vehicle brake system |
| CN102963343A (en) * | 2012-11-09 | 2013-03-13 | 江苏华商企业管理咨询服务有限公司 | Loader braking system |
| US9555788B2 (en) * | 2013-10-24 | 2017-01-31 | Audi Ag | Motor vehicle |
| CN106536308A (en) * | 2014-07-28 | 2017-03-22 | 纽约气闸有限公司 | Control system for rail car parking brake |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111348024A (en) * | 2018-12-20 | 2020-06-30 | 罗伯特·博世有限公司 | Brake system for a vehicle, vehicle and method for operating a brake system |
| CN112298144A (en) * | 2019-08-01 | 2021-02-02 | 罗伯特·博世有限公司 | Hydraulic brake system for a motor vehicle, operating method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108944881B (en) | 2022-07-08 |
| DE102018205957A1 (en) | 2018-11-22 |
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