CN108275140A - Braking performance test system and braking system - Google Patents
Braking performance test system and braking system Download PDFInfo
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- CN108275140A CN108275140A CN201810125675.7A CN201810125675A CN108275140A CN 108275140 A CN108275140 A CN 108275140A CN 201810125675 A CN201810125675 A CN 201810125675A CN 108275140 A CN108275140 A CN 108275140A
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- 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
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
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- Transportation (AREA)
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- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The present invention provides a kind of braking performance test system and braking systems, are related to braking system technical field, and braking performance test system includes：First pressure sensor, displacement sensor, second pressure sensor and processing unit；First pressure sensor is used to acquire the pressure data of master cylinder in brake；Displacement sensor is used to acquire the displacement data of brake middle rack；Second pressure sensor is used to acquire the pressure data of four wheel cylinders；Processing unit is used for according to the pressure data of master cylinder, the pressure data of wheel cylinder and displacement data, obtain brake function test data, solving vacuum booster existing in the prior art has many limitations, can not especially effective performance detection be carried out to the booster used, therefore can not learn new pattern braking efficiency to which the technical issues of braking improves can not be carried out.
Description
Technical field
The present invention relates to braking system technical fields, more particularly, to a kind of braking performance test system and braking system.
Background technology
Braking system is to make the external world apply certain power in the certain parts of automobile on automobile, to be carried out to it centainly
A series of special arrangements of the forced brake of degree.Braking system acts on：Make the automobile in traveling according to the requirement of driver
Forced deceleration is carried out even to stop；Make the automobile of stagnation of movement steadily halt under the conditions of different kinds of roads；Make the automobile of descent run
Speed keeps stablizing.
Service brake is manipulated by driver with foot, therefore also known as foot brake system, its function is to make travelling
In car deceleration or shortest apart from interior parking.Parking braking system is manipulated by driving with hand, therefore also known as hand braking
System, it is as you were that its function is that the automobile for making to have pulled up on various road surfaces is resident.Secondary brakes refer in service brake
In the case of system's failure, ensure that automobile remains to realize the set of device slowed down or stopped.Auxiliary braking system refers to, often in mountain area
The automobile of the automobile of traveling and certain specific uses, in order to improve the safety of driving and mitigate declining for service brake performance
It moves back and the abrasion of brake, to the stabilizing speed in descending.
Currently, during vehicle braking, what is generally used is vacuum booster as brake boost, by engine or volume
The vacuum pump of outer offer provides vacuum degree, and vacuum booster has many limitations, especially can not to the booster that uses into
The effective performance detection of row, therefore new pattern braking efficiency can not be learnt to which braking improvement can not be carried out.
Invention content
In view of this, the purpose of the present invention is to provide a kind of braking performance test system and braking system, it is existing to solve
Vacuum booster present in technology has many limitations, especially can not carry out effective performance inspection to the booster used
It surveys, therefore can not learn new pattern braking efficiency to which the technical issues of braking improves can not be carried out.
In a first aspect, an embodiment of the present invention provides a kind of braking performance test systems, including：First pressure sensor, displacement
Sensor, second pressure sensor and processing unit；
The first pressure sensor is used to acquire the pressure data of master cylinder in brake；
Institute's displacement sensors are used to acquire the displacement data of brake middle rack；
The second pressure sensor is used to acquire the pressure data of four wheel cylinders；
The processing unit be used for according to the pressure data of the master cylinder, the pressure data of the wheel cylinder and
The displacement data obtains brake function test data.
With reference to first aspect, an embodiment of the present invention provides the first possible embodiments of first aspect, wherein institute
The master cylinder for stating first pressure sensor and brake connects, the pressure data for obtaining master cylinder, and by the system
The pressure data of dynamic master cylinder is transmitted to the processing unit.
With reference to first aspect, an embodiment of the present invention provides second of possible embodiments of first aspect, wherein institute
The rack of displacement sensors and brake connects, the displacement data for obtaining rack, and by the displacement data of the rack
It is transmitted to the processing unit.
With reference to first aspect, an embodiment of the present invention provides the third possible embodiments of first aspect, wherein institute
It states second pressure sensor to connect with four wheel cylinders, for obtaining the pressure datas of four wheel cylinders, and by described four
The pressure data of a wheel cylinder is transmitted to the processing unit.
Second aspect, the embodiment of the present invention also provide a kind of braking system, including：Dynamo-electric brake, brake pedal, four
Wheel cylinder and braking performance test system as described in relation to the first aspect；
The braking performance test system by the dynamo-electric brake, the brake pedal, four wheel cylinders into
Row detection, obtains the braking figures of the dynamo-electric brake.
In conjunction with second aspect, an embodiment of the present invention provides the first possible embodiments of second aspect, wherein institute
Stating dynamo-electric brake includes：Master cylinder and rack；
The brake pedal is used for by pushing connecting rod to control the rack movement；
The rack is used for the piston by pushing the master cylinder, controls four wheel cylinders and is braked.
In conjunction with second aspect, an embodiment of the present invention provides second of possible embodiments of second aspect, wherein institute
It is the controller in the dynamo-electric brake to state the processing unit in braking performance test system.
In conjunction with second aspect, an embodiment of the present invention provides the third possible embodiments of second aspect, wherein institute
Stating braking performance test system further includes：Third pressure sensor；
The third pressure sensor is used to acquire the pressure data of the brake pedal.
In conjunction with second aspect, an embodiment of the present invention provides the 4th kind of possible embodiments of second aspect, wherein
When the wheel cylinder is braked by power-assisted, the controller is used for according to the pressure data of the brake pedal, described
The pressure data of master cylinder, the pressure data of the wheel cylinder and the displacement data, obtain power brake performance number
According to.
In conjunction with second aspect, an embodiment of the present invention provides the 5th kind of possible embodiments of second aspect, wherein
When the wheel cylinder is braked by active boost, the controller is used for according to default pedal pressing force value, the braking
The pressure data of master cylinder, the pressure data of the wheel cylinder and the displacement data, obtain booster brake performance data.
Technical solution provided in an embodiment of the present invention brings following advantageous effect：Braking inspection provided in an embodiment of the present invention
In examining system and braking system, braking performance test system includes：Displacement sensor, first pressure sensor, processing unit and
Two pressure sensors, wherein first pressure sensor is used to acquire the pressure data of master cylinder in brake, moreover, displacement
Sensor is used to acquire the displacement data of brake middle rack, furthermore, second pressure sensor is for acquiring four wheel cylinders
Pressure data, finally, processing unit be used for according to the pressure data of master cylinder, the pressure data of wheel cylinder and displacement
Data obtain brake function test data, and the pressure data of master cylinder, four wheel cylinders are acquired by each sensor
The displacement data of pressure data and rack enables processing unit according to master cylinder pressure data, pressure of wheel braking cylinder data and tooth
Displacement data carries out measuring and calculation realizes effective detection to braking ability, so as to root to obtain braking figures
It is improved according to the braking ability detected, there are many limitations to solve vacuum booster existing in the prior art
Property, effective performance detection can not be especially carried out to the booster used, therefore can not learn new pattern braking efficiency thus can not
Carry out the technical issues of braking improves.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The purpose of the present invention and other advantages are in specification and attached drawing
Specifically noted structure is realized and is obtained.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment cited below particularly, and coordinate
Appended attached drawing, is described in detail below.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram of braking performance test system provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of braking system provided in an embodiment of the present invention；
Fig. 3 is another structural schematic diagram of braking system provided in an embodiment of the present invention；
Fig. 4 shows in the braking system that the embodiment of the present invention is provided, the concrete structure schematic diagram of dynamo-electric brake.
Icon：1- braking performance test systems；11- first pressure sensors；12- displacement sensors；13- second pressures sense
Device；14- processing units；2- braking systems；21- dynamo-electric brakes；22- brake pedals；23- wheel cylinders；231- off-front wheel cylinders
Device；232- off hind wheel cylinder assemblies；233- left rear wheel cylinder assemblies；234- the near front wheel cylinder assemblies；24- controllers；25- braking masters
Cylinder；26- racks；27- connecting rods；28- shells；29- braking motors；30- oil cans.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, shall fall within the protection scope of the present invention.
Current booster has many limitations, especially can not carry out effective performance inspection to the booster used
It surveys, therefore can not learn new pattern braking efficiency to which braking improvement can not be carried out, be based on this, a kind of system provided in an embodiment of the present invention
Dynamic detecting system and braking system, can solve vacuum booster existing in the prior art has many limitations, especially
It is that can not carry out effective performance detection to the booster used, therefore can not learn new pattern braking efficiency to be braked
The technical issues of improvement.
For ease of understanding the present embodiment, first to a kind of braking performance test system disclosed in the embodiment of the present invention with
And braking system describes in detail.
Embodiment one：
A kind of braking performance test system provided in an embodiment of the present invention, or one kind is for testing electric booster braking device
The system of performance, as shown in Figure 1, braking performance test system 1 includes：First pressure sensor 11, displacement sensor 12, second pressure
Sensor 13 and processing unit 14.
Wherein, first pressure sensor 11 is used to acquire the pressure data of master cylinder in brake.Displacement sensor 12
Displacement data for acquiring brake middle rack.Second pressure sensor 13 is used to acquire the number pressure of four wheel cylinders
According to.Therefore, first pressure sensor 11 or master cylinder pressure sensor, second pressure sensor 13 or wheel cylinder pressure
Force snesor.
In addition, processing unit 14 is used for according to the pressure data of master cylinder, the pressure data of wheel cylinder and displacement
Data obtain brake function test data.Specifically, processing unit 14 is for pressure data, the braked wheel according to master cylinder
The pressure data and displacement data of cylinder are calculated and are detected, and brake function test data are obtained by calculating.
Specifically, first pressure sensor 11 is connect with the master cylinder of brake, the pressure for obtaining master cylinder
Data, and the pressure data of master cylinder is transmitted to processing unit 14.Displacement sensor 12 is connect with the rack of brake, is used
In the displacement data of acquisition rack, and the displacement data of rack is transmitted to processing unit 14.
As a preferred embodiment, second pressure sensor 13 is connect with four wheel cylinders, for obtaining four brakings
The pressure data of wheel cylinder, and the pressure data of four wheel cylinders is transmitted to processing unit 14.
For the prior art, the booster of braking has many limitations, especially can not be to the booster that uses
Effective performance detection is carried out, therefore can not learn new pattern braking efficiency to which braking improvement can not be carried out.
By providing braking performance test system, make the pressure of the acquisition master cylinder such as each pressure sensor, displacement sensor 12
The displacement data of force data, the pressure data of four wheel cylinders and rack, enables processing unit 14 according to master cylinder pressure
Data, pressure of wheel braking cylinder data and rack displacement data carry out measuring and calculation, to obtain braking figures, realize to system
Effective detection of dynamic performance, to carry out braking improvement according to the braking ability detected.
Embodiment two：
A kind of braking system provided in an embodiment of the present invention, or a kind of electric booster braking device system, such as Fig. 2 institutes
Show, braking system 2 includes：What dynamo-electric brake 21,22, four wheel cylinders 23 of brake pedal and above-described embodiment one provided
Braking performance test system.
As the preferred embodiment of the present embodiment, braking performance test system 1 passes through to dynamo-electric brake 21, brake pedal
22, four wheel cylinders 23 are detected, and obtain the braking figures of dynamo-electric brake 21.
As shown in figure 3, braking system 2 can also include：The controller 24 of dynamo-electric brake 21, in braking performance test system 1
Processing unit 14 can also be used as controller 24.Controller 24 is as automobile electron stabilization control system (Electronic
Stability Controller, abbreviation ESC), may include pressure control module (Hybrid Combining Unit, abbreviation
HCU) and its electronic control unit (Electronic Control Unit, abbreviation ECU), reception second pressure sensor 13 are
The feedback signal of Wheel cylinder pressure sensors, to control the pressure of wheel cylinder 23.Therefore, controller 24 can be used for receiving each
The signal of a sensor transmissions.
Further, as shown in figure 3, wheel cylinder 23 may include：Off-front wheel cylinder assembly 231, off hind wheel cylinder assembly
232, left rear wheel cylinder assembly 233 and the near front wheel cylinder assembly 234.Off-front wheel cylinder assembly 231 can integrate off-front wheel cylinder, clamp,
Caliper bracket, brake block, front brake disc etc..Off hind wheel cylinder assembly 232 can integrate off hind wheel cylinder, clamp, caliper bracket, brake
Piece, rear brake disc etc..Left rear wheel cylinder assembly 233 can integrate left back wheel cylinder, clamp, caliper bracket, brake block, rear brake disc
Deng.The near front wheel cylinder assembly 234 can integrate left front wheel cylinder, clamp, card fore-stock, brake block, front brake disc etc..
As the another embodiment of the present embodiment, second pressure sensor 13 is used as Wheel cylinder pressure sensors, can be with
Integrated pressure sensor and triple valve, monitoring off-front wheel cylinder assembly 231, off hind wheel cylinder assembly 232, left rear wheel cylinder assembly 233 with
And the pressure of the near front wheel cylinder assembly 234, and feed back to controller 24.The heavy line between each device in Fig. 3 is oil pipe
Pipeline, the dotted line between each device are signal transmssion line.
It should be noted that first pressure sensor 11 be used as master cylinder pressure sensor, can with integrated pressure sensor with
Triple valve, monitors the pressure of the master cylinder 25 in dynamo-electric brake 21, and feeds back to controller 24.
As shown in figure 3, the oil pipe connection relation in braking system 2 between each device can be：When user steps on braking
After pedal 22 pushes master cylinder 25 to do piston motion by mechanical connection, in the piston press master cylinder 25 of master cylinder 25
The space in portion pushes the fluid hydrodynamic force in master cylinder 25, the outflow of hydraulic pressure oil two-way.Push the two-way of master cylinder outflow
Pressure oil liquid stream enters after two first pressure sensors 11 i.e. master cylinder pressure sensor in controller 24, in controller 24
It is divided into four tunnels and flows to off-front wheel cylinder assembly 231, off hind wheel cylinder dress by second pressure sensor 13 i.e. pressure of wheel braking cylinder sensing respectively
232, left rear wheel cylinder assembly 233 and the near front wheel cylinder assembly 234 are set, to push four wheel cylinders 23 to realize braking function.
Preferably, braking performance test system 1 can also include：Third pressure sensor.Third pressure sensor is for acquiring
The pressure data of brake pedal 22.Therefore, third pressure sensor can be used as pedal pressing force sensor, connect with brake pedal 22
It connects.Preferably, third pressure sensor, that is, pedal pressing force sensor setting is installed on brake pedal 22.
As shown in figure 4, dynamo-electric brake 21 includes：Master cylinder 25 and rack 26.The setting of rack 26 is installed on electronic system
The inside of dynamic device 21.Wherein, dynamo-electric brake 21 or electric booster braking device.
Further, the brake pedal 22 in Fig. 3 is used to control rack 26 by the promotion connecting rod 27 in Fig. 4 and move.Wherein,
Connecting rod 27 or push rod, connecting rod 27 is for connecting brake pedal 22 and dynamo-electric brake 21.
In practical applications, on dynamo-electric brake 21 can with integrated manipulator 24, master cylinder 25, rack 26, connecting rod 27,
Shell 28, braking motor 29, oil can 30 and displacement sensor 12 etc..Wherein, displacement sensor 12 is set to dynamo-electric brake
On rack 26 in 21, rack 26 can be used for the piston by pushing master cylinder 25, controls four wheel cylinders 23 and carries out
Braking；Displacement sensor 12 can be hall displacement transducer, be equipped with magnetic stripe on rack 26, displacement sensor 12 can pass through
26 displacement of rack in the variation detection dynamo-electric brake 21 in magnetic field；Controller 24 can be used for controlling braking motor 29；Braking
Motor 29 or brshless DC motor, braking motor 29 are connect by shaft coupling with worm screw, and braking motor 29 passes through rotation
Rack 26 is pushed to move；Shell 28 is the shell 28 of dynamo-electric brake 21, and the inside of shell 28 can carry rack 26, reset bullet
Spring and turbine and worm decelerator etc..
As shown in Figure 3 and Figure 4, the mechanical connection relationship in braking system 2 between each device can be：Brake pedal 22
It is connect with dynamo-electric brake 21 by connecting rod 27, when brake pedal 22, brake pedal 22 is pushed electronic by connecting rod 27
Rack 26 in brake 21, rack 26 push resetting spring, resetting spring to push cutting somebody's hair for master cylinder 25, master cylinder 25
Cut somebody's hair push master cylinder 25 piston.This pushing course is by controller 24 according to the Bit andits control braking motor 29 of rack 26
26 power-assisted appropriate of rack is given after slowing down by worm and gear.
As shown in figure 3, the control of the signal transmission relationship in braking system 2 between each device, i.e. signal and signal feedback
Relationship can be：When user's brake pedal 22, deformation is converted by third pressure sensor, that is, pedal pressing force sensor
Electric signal output is acquired by data acquisition card and is exported, the parameter as characterization power-assisted effect.It is integrated on dynamo-electric brake 21
12 collected rack of displacement sensor, 26 displacement signal and first pressure sensor 11 be master cylinder pressure sensor feed back to
The master cylinder pressure signal come is as the control input signal to power brake and active boost braking.The control of dynamo-electric brake 21
The control braking motor 29 after receiving above-mentioned control input signal of device 24 does power brake or active boost braking, four second pressures
Force snesor 13 is that Wheel cylinder pressure sensors feed back pressure of wheel braking cylinder signal to controller 24.
As the preferred embodiment of the present embodiment, the performance detection method of braking system 2 can have following two:
In one implementation, when wheel cylinder 23 is braked by power-assisted, controller 24 is used for according to braking
The pressure data and displacement data of the pressure data of pedal 22, the pressure data of master cylinder 25, wheel cylinder 23, are helped
Dynamic braking performance data.
Specifically, the control input of dynamo-electric brake 21 can utilize the displacement of brake pedal 22 or the piston of master cylinder 25
Displacement, in the present embodiment, 26 displacement of rack that is measured using the displacement sensor 12 for being integrated in dynamo-electric brake 21 is as controlling
Input.First, according to the corresponding power-assisted curve of the Preliminary Exploitation of same operating mode, specifically, the power that pedal pressing force sensor is acquired
Pedal force corresponding with suitable feel is compared, and optimizes power-assisted curve；When user's brake pedal 22, brake pedal 22
Connecting rod 27, connecting rod 27 is pushed to push rack 26；Displacement sensor 12 detects the displacement of rack 26, is input to dynamo-electric brake 21
Controller 24；Controller 24 selects corresponding power-assisted curve according to operating mode, judges suitable power-assisted further according to displacement, by
Power-assisted value is converted into the size of current of control motor rotation by logic, and driving motor rotates, then through secondary transmission pusher moving teeth
Item 26 moves, and realizes power-assisted.Therefore, the optimal power-assisted curve under different operating modes can be obtained by power-assisted ability test.
In another implementation, when wheel cylinder 23 is braked by active boost, controller 24 is used for root
According to default pedal pressing force value, the pressure data and displacement data of the pressure data of master cylinder 25, wheel cylinder 23, increased
Press braking figures.
Specifically, the braking of active boost is inputted using the pressure of the displacement of rack 26 and master cylinder 25 as control.It is first
First, the relationship of rack 26 displacement and master cylinder pressure is obtained；Directly according to the goal-selling pressure of the controller 24 of dynamo-electric brake 21
For force value as control input without the input of brake pedal 22, i.e. processing unit 14 presets pedal target pressure value；Control
Device 24 is converted into the target current of control braking motor 29, most according to corresponding 26 displacement of rack of default pedal target pressure value
Output target current is to control the rotation of braking motor 29 eventually；The rotation of braking motor 29 changes into 26 displacement of rack through two-stage transmission,
Displacement sensor 12, which detects 26 displacement signal of rack and feeds back to controller 24, realizes first closed-loop control；Rack 26 pushes multiple
Position spring, resetting spring push cutting somebody's hair for master cylinder 25, the final work for pushing master cylinder 25 of cutting somebody's hair of master cylinder 25 again
Plug generates hydraulic pressure；Master cylinder pressure sensor detects the pressure output of master cylinder 25, feeds back to controller 24, carries out goal pressure
Compare, realizes second closed-loop control；The target pressure value of different operating modes is tested, comprehensive dynamo-electric brake 21 just can be obtained
Active boost performance, while can also verify the validity of active boost control algolithm.Therefore, it is surveyed by the performance of active boost
Examination is just capable of detecting when the active brake performance of dynamo-electric brake 21.
Therefore, the power-assisted ability and active boost performance of test dynamo-electric brake 21 can be the knot of dynamo-electric brake 21
Structure is improved provides foundation with algorithm optimization, accelerates the research and development process of dynamo-electric brake 21.
In existing passenger car braking process, what is generally used is vacuum booster as brake boost, by engine or volume
The vacuum pump of outer offer provides vacuum degree.But vacuum booster has limitation：First, vacuum booster needs engine
Or optional equipment vacuum pump provides vacuum degree, increases the power consumption of vehicle；Secondly, true for the passenger car of narrow space
The volume of empty booster is bigger than normal；Furthermore there is no the phenomenon that engine for present new-energy automobile, vacuum booster is obviously not
It is applicable in；Finally, vacuum booster can not achieve active brake, therefore equally be not applied in pilotless automobile.
In the present embodiment, by providing braking system 2, braked with dynamo-electric brake 21, there is no need to engines
Or optional equipment vacuum pump provides vacuum degree, reduces the power consumption of vehicle；Moreover, dynamo-electric brake 21 is than vacuum booster
It is small, save motor space；Furthermore dynamo-electric brake 21 is also applied for present new-energy automobile；In addition, dynamo-electric brake
21 can also realize active brake, can be suitable in pilotless automobile；Also, pass through the braking performance test in braking system 2
System 1, additionally it is possible to the performance of dynamo-electric brake 21 is detected, the effective of 21 relevant control algorithm of dynamo-electric brake can be examined
Property, shortens the development cycle of product, to realize using the electric booster braking device of active brake as the braking equipment of vehicle,
And the braking performance test system 1 in braking system 2 is also applied for developing a variety of different electric booster braking devices.
Unless specifically stated otherwise, the opposite step of the component and step that otherwise illustrate in these embodiments, digital table
It is not limit the scope of the invention up to formula and numerical value.
In all examples being illustrated and described herein, any occurrence should be construed as merely illustrative, without
It is as limitation, therefore, other examples of exemplary embodiment can have different values.
Block diagram in attached drawing shows the possibility of the system and computer program product of multiple embodiments according to the present invention
The architecture, function and operation of realization.In this regard, each box in block diagram can represent a module, program segment or
A part for code, the part of the module, section or code include one or more for realizing defined logic work(
The executable instruction of energy.It should also be noted that in some implementations as replacements, the function of being marked in box can also be with not
It is same as the sequence marked in attached drawing generation.For example, two continuous boxes can essentially be basically executed in parallel, they have
When can also execute in the opposite order, this is depended on the functions involved.It is also noted that each box in block diagram,
And the combination of the box in block diagram, function or the dedicated hardware based system of action are come real as defined in executing
It is existing, or can realize using a combination of dedicated hardware and computer instructions.
Braking system provided in an embodiment of the present invention, the braking performance test system skill having the same provided with above-described embodiment
Art feature reaches identical technique effect so can also solve identical technical problem.
Processing unit 14 or processor, processor may be a kind of IC chip, the processing with signal
Ability.During realization, each step of the above method can be by the integrated logic circuit of the hardware in processor or soft
The instruction of part form is completed.Above-mentioned processor can be general processor, including central processing unit (Central
Processing Unit, abbreviation CPU), network processing unit (Network Processor, abbreviation NP) etc.；It can also be number
Signal processor (Digital SignalProcessing, abbreviation DSP), application-specific integrated circuit (Application
Specific Integrated Circuit, abbreviation ASIC), ready-made programmable gate array (Field-Programmable
Gate Array, abbreviation FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware
Component.It may be implemented or execute disclosed each function in the embodiment of the present invention.General processor can be microprocessor or
Person's processor can also be any conventional processor etc..Function in conjunction with disclosed in the embodiment of the present invention can directly embody
Execute completion for hardware decoding processor, or in decoding processor hardware and software module combination execute completion.Software
Module can be located at random access memory, flash memory, read-only memory, programmable read only memory or electrically erasable programmable storage
In the storage medium of this fields such as device, register maturation.The storage medium is located at memory, and processor reads the letter in memory
Breath completes above-mentioned function in conjunction with its hardware.
In addition, in the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for description purposes only, and is not understood to indicate or imply relative importance.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.The apparatus embodiments described above are merely exemplary, for example, the division of the unit,
Only a kind of division of logic function, formula that in actual implementation, there may be another division manner, in another example, multiple units or component can
To combine or be desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or beg for
The mutual coupling, direct-coupling or communication connection of opinion can be by some communication interfaces, device or unit it is indirect
Coupling or communication connection can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be expressed in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic disc or CD.
Finally it should be noted that：Embodiment described above, only specific implementation mode of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, it will be understood by those of ordinary skill in the art that：Any one skilled in the art
In the technical scope disclosed by the present invention, it can still modify to the technical solution recorded in previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover the protection in the present invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of braking performance test system, which is characterized in that including：First pressure sensor, displacement sensor, second pressure sensing
Device and processing unit；
The first pressure sensor is used to acquire the pressure data of master cylinder in brake；
Institute's displacement sensors are used to acquire the displacement data of brake middle rack；
The second pressure sensor is used to acquire the pressure data of four wheel cylinders；
The processing unit is used for according to the pressure data of the master cylinder, the pressure data of the wheel cylinder and described
Displacement data obtains brake function test data.
2. braking performance test system according to claim 1, which is characterized in that the first pressure sensor and brake
Master cylinder connects, the pressure data for obtaining master cylinder, and the pressure data of the master cylinder is transmitted to described
Processing unit.
3. braking performance test system according to claim 1, which is characterized in that the rack of institute's displacement sensors and brake
Connection, the displacement data for obtaining rack, and the displacement data of the rack is transmitted to the processing unit.
4. braking performance test system according to claim 1, which is characterized in that the second pressure sensor and four brakings
Wheel cylinder connects, the pressure data for obtaining four wheel cylinders, and the pressure data of four wheel cylinders is transmitted to
The processing unit.
5. a kind of braking system, which is characterized in that including：Dynamo-electric brake, brake pedal, four wheel cylinders and such as right
It is required that 1-4 any one of them braking performance test systems；
The braking performance test system is by examining the dynamo-electric brake, the brake pedal, four wheel cylinders
It surveys, obtains the braking figures of the dynamo-electric brake.
6. braking system according to claim 5, which is characterized in that the dynamo-electric brake includes：Master cylinder and tooth
Item；
The brake pedal is used for by pushing connecting rod to control the rack movement；
The rack is used for the piston by pushing the master cylinder, controls four wheel cylinders and is braked.
7. braking system according to claim 6, which is characterized in that the processing unit in the braking performance test system is institute
State the controller in dynamo-electric brake.
8. braking system according to claim 7, which is characterized in that the braking performance test system further includes：Third pressure
Sensor；
The third pressure sensor is used to acquire the pressure data of the brake pedal.
9. braking system according to claim 8, which is characterized in that braked by power-assisted in the wheel cylinder
When, the controller is used for according to the pressure data of the brake pedal, the pressure data of the master cylinder, the braked wheel
The pressure data of cylinder and the displacement data, obtain power brake performance data.
10. braking system according to claim 7, which is characterized in that carried out by active boost in the wheel cylinder
When braking, the controller is used for according to presetting pedal pressing force value, the pressure data of the master cylinder, the wheel cylinder
Pressure data and the displacement data, obtain booster brake performance data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810125675.7A CN108275140A (en) | 2018-02-08 | 2018-02-08 | Braking performance test system and braking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810125675.7A CN108275140A (en) | 2018-02-08 | 2018-02-08 | Braking performance test system and braking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108275140A true CN108275140A (en) | 2018-07-13 |
Family
ID=62807912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810125675.7A Pending CN108275140A (en) | 2018-02-08 | 2018-02-08 | Braking performance test system and braking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108275140A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111157227A (en) * | 2020-01-02 | 2020-05-15 | 佛山市一为制动技术有限公司 | Brake booster and master cylinder comprehensive test device and test control method |
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|---|---|---|---|---|
| US20100126167A1 (en) * | 2007-04-19 | 2010-05-27 | Robert Bosch Gmbh | Electromechanical brake booster |
| CN102481912A (en) * | 2009-07-22 | 2012-05-30 | 罗伯特·博世有限公司 | Method For A Locking Actuation Of A Hydraulic Vehicle Brake System |
| CN105946837A (en) * | 2016-06-29 | 2016-09-21 | 吉林大学 | Electronic hydraulic braking system with multiple working modes |
| CN107428319A (en) * | 2015-03-31 | 2017-12-01 | 日立汽车***株式会社 | Brake control |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100126167A1 (en) * | 2007-04-19 | 2010-05-27 | Robert Bosch Gmbh | Electromechanical brake booster |
| CN102481912A (en) * | 2009-07-22 | 2012-05-30 | 罗伯特·博世有限公司 | Method For A Locking Actuation Of A Hydraulic Vehicle Brake System |
| CN107428319A (en) * | 2015-03-31 | 2017-12-01 | 日立汽车***株式会社 | Brake control |
| CN105946837A (en) * | 2016-06-29 | 2016-09-21 | 吉林大学 | Electronic hydraulic braking system with multiple working modes |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111157227A (en) * | 2020-01-02 | 2020-05-15 | 佛山市一为制动技术有限公司 | Brake booster and master cylinder comprehensive test device and test control method |
| CN111157227B (en) * | 2020-01-02 | 2020-12-01 | 佛山市一为制动技术有限公司 | Brake booster and master cylinder comprehensive test device and test control method |
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Application publication date: 20180713 |