CN105547713B - A kind of brake fluid of brake system of car needs liquid measure test device and its application - Google Patents
A kind of brake fluid of brake system of car needs liquid measure test device and its application Download PDFInfo
- Publication number
- CN105547713B CN105547713B CN201610054781.1A CN201610054781A CN105547713B CN 105547713 B CN105547713 B CN 105547713B CN 201610054781 A CN201610054781 A CN 201610054781A CN 105547713 B CN105547713 B CN 105547713B
- Authority
- CN
- China
- Prior art keywords
- brake
- liquid measure
- test device
- measure test
- needs
- 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.)
- Active
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 105
- 238000012360 testing method Methods 0.000 title claims abstract description 78
- 239000012530 fluid Substances 0.000 title claims abstract description 55
- 238000006073 displacement reaction Methods 0.000 claims abstract description 46
- 230000008878 coupling Effects 0.000 claims abstract description 28
- 238000010168 coupling process Methods 0.000 claims abstract description 28
- 238000005859 coupling reaction Methods 0.000 claims abstract description 28
- SAZUGELZHZOXHB-UHFFFAOYSA-N acecarbromal Chemical compound CCC(Br)(CC)C(=O)NC(=O)NC(C)=O SAZUGELZHZOXHB-UHFFFAOYSA-N 0.000 claims 3
- 238000005259 measurement Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004941 influx Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The invention discloses a kind of brake fluid of brake system of car to need liquid measure test device and its application, including：Cavity pipe, linear displacement transducer, I-shaped piston and metallic rod；Interface thread of the both ends of cavity pipe respectively with brake hard tube and air-brake coupling hose is connected；An I-shaped piston is provided with cavity pipe；I-shaped piston and cavity pipe interference fits；A metallic rod is vertically installed with the connecting rod of I-shaped piston；Linear displacement transducer is provided with the top of metallic rod, and the sliding block of linear displacement transducer is fixed together with metallic rod top；Linear displacement transducer is fixedly connected with cavity round tube inner wall.The principle of the invention is simple, workable, and accuracy is high, and the accurate test of liquid measure is needed suitable for the big press-brake of low discharge.
Description
Technical field
The present invention relates to Automobile Measuring Techniques field, and in particular to a kind of brake fluid of brake system of car needs liquid measure to test
Device and its application.
Background technology
The good brakes of automobile is an important leverage of traffic safety, when automobile is dashed forward in the process of moving
During hair event, stable and rapid Brake Energy significantly reduces security threat suffered by driver and the outer other staff of car.
Brake system structure pattern mainly has mechanical, pneumatic type, fluid pressure type, gas-liquid mixed.Their operation principle
Substantially all, all it is to utilize brake apparatus, the frictional heat caused by work gradually uses up kinetic energy possessed by vehicle, with
Reach vehicle braking deceleration, until the purpose of parking.
Hydraulic braking system for automobile is that its construction is very simple, is made up of master cylinder and wheel cylinder with most widely,
The pressure of master cylinder, to (wheel cylinder is on four wheel drags) on four wheel cylinders, is jammed on by pipeline point with pin
Brake pedal, it is exactly to give master cylinder pressurization, brake fluid leads on piston of the brake pedal force by lever transmission to master cylinder
Piping passes to four wheel cylinders.Wheel cylinder is actually hydraulic actuating mechanism, is typically made up of oil cylinder, piston etc..System
Dynamic master cylinder pressure is transmitted through forcing two pistons to push out after coming, and shoe brake is pushed against brake drum or clamps brake disc, passes through
Friction makes wheel slow down, so as to play a part of Brake stop.
Brake piping brake fluid is needed liquid measure test to optimization automotive brake systems design play an important roll, as pressure-
Liquid volume characteristic.When not braking, brake fluid does not flow hydraulic braking system for automobile in pipeline, but in braking procedure, system
Hydrodynamic flow is small, and loine pressure is big, and loine pressure is reachable when the electronic control system active boost particularly equipped is braked
25MPa.Flow sensor is based primarily upon to liquid flow measurement now, is primarily adapted for use in the continuous, measurement of low pressure flow.Stream
Quantity sensor, which is difficult to realize brake system of car, needs liquid measure small-range (generally within 10ml), high pressure (more than 25MPa) ring
Measurement under border.
When hydraulic braking system for automobile works, by brake fluid of the brake fluid of master cylinder outflow with entering wheel cylinder
Product is different, and only could directly produce brake force into the brake fluid of wheel cylinder.Manpower tramples brake pedal, can act on
In the brake fluid in master cylinder, make its outflow.As can be seen here, what experiment can be controlled directly is the brake fluid in master cylinder
Discharge, can only indirect control wheel cylinder brake fluid influx, so as in order to control the size of brake force, study both
Relation is indispensable.
The content of the invention
The present invention is in place of overcome the deficiencies in the prior art, there is provided a kind of principle is simple, workable, accuracy is high
The brake fluid of brake system of car need liquid measure test device and its application, to can accurately measure need during hydraulic vehicle braking
Liquid measure, so as to study the fit correlation of brake fluid and the brake fluid into wheel cylinder from master cylinder outflow, and
The optimal stroke of brake pedal is determined by testing.
The present invention is adopted the following technical scheme that to solve technical problem：
A kind of brake fluid of brake system of car of the present invention needs liquid measure test device, and the brake system of car includes：System
Dynamic fluid groove, master cylinder, brake pedal, brake hard tube, air-brake coupling hose, wheel cylinder and brake；The brake pedal with
Master cylinder is connected；The brake oil liquid bath is connected by pipeline with master cylinder, and the master cylinder is hard by the braking
Pipe and air-brake coupling hose are connected with four wheel cylinders；The wheel cylinder is connected with brake；It is characterized in,
The interface of the air-brake coupling hose and wheel cylinder, which is provided with first, needs liquid measure test device；
Described first needs liquid measure test device to include：Cavity pipe, linear displacement transducer, metallic rod and I-shaped work
Plug；
Interface thread of the cavity pipe respectively with the air-brake coupling hose and wheel cylinder is connected；
The I-shaped piston is provided with the cavity pipe；The I-shaped piston and the cavity pipe transition
Coordinate；The metallic rod is vertically installed with the connecting rod of the I-shaped piston；It is provided with the top of the metallic rod
The linear displacement transducer；The linear displacement transducer is fixedly connected with the cavity round tube inner wall；
Described first to need liquid measure test device be to promote the brake fluid of the master cylinder to pass through using the brake pedal
The brake hard tube is flowed into the cavity pipe, so as to promote the I-shaped piston movement, by the air-brake coupling hose
Brake fluid is pressed into the wheel cylinder, and enables the metallic rod to drive the sliding block on the linear displacement transducer in institute
State and displacement is produced on linear displacement transducer；Liquid measure is needed so as to obtain the first of the wheel cylinder.
Brake fluid of the present invention needs the characteristics of liquid measure test device to lie also in,
Described first need liquid measure V be using formula (1) calculate obtain：
V=S × L (1)
In formula (1), S represents the cross-sectional area of the I-shaped piston；L represents the displacement of the linear displacement transducer
Amount.
The present invention is the characteristics of a kind of brake fluid of brake system of car needs the application of liquid measure test device, in the braking
Setting second between hard tube and the air-brake coupling hose again needs liquid measure test device；
Liquid measure test device obtained first is needed to described first needs liquid measure to need liquid measure test device to be obtained with second
Second need liquid measure to be compared, so as to obtain fit correlation.
The present invention is lain also in the characteristics of a kind of brake fluid of brake system of car needs liquid measure test device,
Tested according to the stroke difference of the brake pedal described first need liquid measure test device caused by the first need
Liquid measure；So that it is determined that the optimal stroke of the brake pedal；Optimal brake power is produced with the optimal stroke.
Need to set a pressure sensor on the brake hard tube where liquid measure test device first, need liquid measure to test by first
Device and pressure sensor form the P-V characteristic test devices of wheel cylinder；
It is hard by the described first the first braking for needing liquid measure to be obtained with pressure sensor for needing liquid measure test device to be obtained
The pressure of pipe, so as to obtain the P-V characteristics of the wheel cylinder.
Compared with prior art, beneficial effects of the present invention are embodied in：
1st, the present invention is applied to hydraulic braking system for automobile performance test；By using cubature formula V=S × L, energy
Volume size is conveniently and efficiently calculated, avoids the inconvenience of direct measurement brake fluid flow；And hydraulic braking system for automobile work
When making, brake-pipe pressure is big and brake fluid flow flow velocity is small, and direct measurement is difficult to realize, and precision is low.
2nd, the present invention uses linear displacement transducer output displacement information representation brake fluid flow, improves measurement result
Accuracy.The function of linear displacement transducer is straight line mechanical displacement to be converted into electric signal.Linear displacement transducer is real
It is a slide rheostat to trample, and its inside is integrated with an information processing chip, by the change of slide rheostat both end voltage
Amount is converted into displacement.Electric signal high sensitivity, the displacement accuracy measured are high.
3rd, the present invention is simple in construction, is easy to fabrication and installation.Linear displacement transducer has been internally integrated circuit, easy to use；
Linear displacement transducer small volume, easily installation.
4th, the present invention can be studying from the brake fluid volume of master cylinder outflow and eventually enter into the system of wheel cylinder
Relation between hydrodynamic volume.Installing one in the junction of brake hard tube and air-brake coupling hose needs liquid measure test device, then is making
It is dynamic to set one between flexible pipe and wheel cylinder and need liquid measure test device, measure respectively two need liquid measure test device need liquid
Amount, many experiments are carried out, find out fit correlation between the two.
5th, the present invention can obtain the optimal stroke of brake pedal by testing；By the different strokes of brake pedal, obtain
Take it to need liquid measure, be continuously increased with the stroke of brake pedal, it needs liquid measure also to become big therewith, after reaching a critical point, i.e.,
Make the stroke of increase brake pedal, it needs liquid measure to keep constant, needs liquid measure relation to determine system by brake-pedal travel and braking
The optimal stroke of brake pedal.
6th, the present invention can test to the P-V characteristic tests of wheel cylinder, find out the brake fluid volume of wheel cylinder with
The fit correlation of pressure of wheel cylinder, guidance can be provided with improving for the design of pressure-regulating device.Set on brake hard tube
A pressure sensor is put, because hydraulic pressure is identical with hydraulic pressure in the wheel cylinder connected in brake hard tube, braked wheel can be obtained
Cylinder pressure.Liquid measure test device is needed to be arranged between air-brake coupling hose and wheel cylinder, braking liquid stream of the measurement into wheel cylinder
Amount.Thus, it is possible to carry out the P-V characteristic tests experiment of wheel cylinder, via test of many times, the brake fluid of wheel cylinder is found out
Product and the fit correlation of pressure of wheel cylinder., can be by controlling the brake fluid volume into wheel cylinder as theoretical foundation
Carry out accurate adjustment pressure of wheel cylinder, to reach optimum braking effect, to design and improve pressure-regulating device.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the brake system of car equipped with the present invention；
Fig. 2 needs liquid measure test device structural representation for a kind of brake fluid of brake system of car of the present invention；
Fig. 3 is the application schematic diagram that a kind of brake fluid of brake system of car of the present invention needs liquid measure test device；
Fig. 4 is second of application schematic diagram that a kind of brake fluid of brake system of car of the present invention needs liquid measure test device；
Label in figure：1 brake oil liquid bath；2 master cylinders；3 brake pedals；4a brake hard tubes；4b air-brake coupling hoses；5 first
Need liquid measure test device；5a cavity pipes；5b linear displacement transducers；5c metallic rods；The I-shaped pistons of 5d；6 wheel cylinders；7
Brake；8 second need liquid measure test device；9 pressure sensors.
Embodiment
Embodiment 1：As shown in figure 1, a kind of brake fluid of brake system of car needs the automobile hydraulic in liquid measure test device
Brakes includes：Brake oil liquid bath 1, master cylinder 2, brake pedal 3, brake hard tube 4a, air-brake coupling hose 4b, wheel cylinder 6
With brake 7；The brake pedal 3 is connected with master cylinder 2；The brake oil liquid bath 1 passes through pipeline and the phase of master cylinder 2
Even, master cylinder 2 is connected by the brake hard tube 4a and air-brake coupling hose 4b with four wheel cylinders 6；The wheel cylinder 6 with
Brake 7 is connected.
Air-brake coupling hose 4b and wheel cylinder 6 interface, which are provided with first, needs liquid measure test device 5；
As shown in Fig. 2 first needs liquid measure test device 5 to include：Cavity pipe 5a, linear displacement transducer 5b, metallic rod
5c and I-shaped piston 5d.
Cavity pipe 5a is connected with air-brake coupling hose 4b with the interface thread of wheel cylinder 6 respectively, two of cavity pipe 5a
Bottom surface is respectively arranged with inlet and liquid outlet, and brake fluid enters from inlet, liquid outlet outflow.
I-shaped piston 5d, I-shaped piston 5d and cavity pipe 5a interference fits are provided with cavity pipe 5a.Work
Font piston 5d is the hydraulic piston that one or two of piston area is fixed together by a metal tie rods, is had on I-shaped piston 5d
Two O-ring seals, it is respectively fitted on two piston areas.O-ring seal has certain elasticity, can both play sealing function, prevents
The space that only liquid is flowed between I-shaped two piston areas of piston 5d, can also promote I-shaped piston on hydraulic action
5d is moved.
Metallic rod 5c is vertically installed with I-shaped piston 5d connecting rod, metallic rod 5c top is provided with straight line
Displacement transducer 5c；Specifically, the top of linear displacement transducer 5b sliding block and metallic rod 5c is fixed, by sliding block straight
Linear movement pick-up 5b movements change electric signal in circuit, so as to obtain displacement.
Linear displacement transducer 5b, specifically use KTF linear displacement transducers.It is 75-3000mm that it, which measures length, both ends
There are a 4mm cushion strokes, linear precision 0.05%~0.04%FS, maximum translational speed 10m/s, 60 DEG C of normal working temperature-
Between 150 DEG C.
Linear displacement transducer 5b is fixedly connected with cavity pipe 5a inwalls.
Before on-test, fill the space in cavity pipe 5a in addition to the space between I-shaped piston 5d two-pistons face
Full brake fluid.When needing liquid measure test device to work, manpower pedal brake pedal 3, there is provided power, promote the system of master cylinder 2
Hydrodynamic trickles；Brake hard tube 4a is first passed through, subsequently passes through air-brake coupling hose 4b, is flowed into followed by cavity pipe 5a inlet
In cavity pipe 5a, so as to produce hydraulic pressure on I-shaped piston 5d piston area, I-shaped piston 5d is promoted to move, and then band
The dynamic metallic rod 5c movements being welded in I-shaped piston 5d connecting rods.Due to linear displacement transducer 5b sliding block and metallic rod
5c top is fixed together, and drives linear displacement transducer 5b sliding block to produce displacement on linear displacement transducer 5b,
Liquid measure is needed so as to obtain the first of wheel cylinder 6.
It is to calculate to obtain using formula (1) wherein to need liquid measure V：
V=S × L (1)
In formula (1), S represents I-shaped piston 5d cross-sectional area；L represents linear displacement transducer 5b displacement.
The brake fluid in cavity pipe 5a is flowed into wheel cylinder 6 by cavity pipe 5a liquid outlet simultaneously.Pass through
Hydraulic pressure forms power, promotes brake 7 to work, and using the rubbing action between object, reaches the purpose of Brake stop.
Embodiment 2：As shown in figure 3, a kind of brake system of car brake fluid needs the application of liquid measure test device, it is hard in braking
Setting second between pipe 4a and air-brake coupling hose 4b again needs liquid measure test device 8；
Tested by the workflow of embodiment 1, obtaining first needs the first of liquid measure test device to need liquid measure and the
Two need the second of liquid measure test device to need liquid measure.
Need that liquid measure test device obtained to first first need liquid measure with second need that liquid measure test device obtained the
Two need liquid measure to be compared, the fit correlation probed between them.
Because air-brake coupling hose 4b is elastomeric material, there is certain retractility.It is high when brake fluid flows through air-brake coupling hose 4b
The brake fluid of temperature causes air-brake coupling hose 4b to expand, the increase of air-brake coupling hose 4b radiuses, so as to the increase of air-brake coupling hose 4b pipes internal volume, energy
More brake fluid are enough accommodated, causes the brake fluid for flowing into wheel cylinder 6 to reduce, carries out test of many times, carry out data analysis, look for
The fit correlation gone out between the two.
Embodiment 3：As shown in figure 4, second of brake system of car brake fluid needs the application of liquid measure test device, it is to need
One pressure sensor 9 is set on the brake hard tube 4a where liquid measure test device, needs liquid measure test device 5 and pressure to pass by first
Sensor 9 forms the P-V characteristic test devices of wheel cylinder 6.
Before on-test, fill the space in cavity pipe 5a in addition to the space between I-shaped piston 5d two-pistons face
Full brake fluid.When needing liquid measure test device to work, manpower pedal brake pedal 3, there is provided power, promote the system of master cylinder 2
Hydrodynamic trickles.Brake fluid first passes through brake hard tube 4a, flows subsequently through pressure sensor 9, and now it is hard to obtain braking for pressure sensor 9
Pressure values P in pipe 4a, because pipeline is intercommunication, therefore the pressure in wheel cylinder 6 is also P.Then flow through air-brake coupling hose 4b
Into requirement test device 5.Brake fluid is flowed into cavity pipe 5a by cavity pipe 5a inlet, so as to I-shaped
Hydraulic pressure is produced on piston 5d piston area, promotes I-shaped piston 5d to move, and then drives and is welded on I-shaped piston 5d connections
Metallic rod 5c movements on bar.Because the top of linear displacement transducer 5b sliding block and metallic rod 5c is fixed together, drive
Linear displacement transducer 5b sliding block produces displacement on linear displacement transducer 5b, so as to which obtain wheel cylinder 6 needs liquid
Amount；
The brake fluid in cavity pipe 5a is flowed into wheel cylinder 6 by cavity pipe 5a liquid outlet simultaneously, passed through
Hydraulic pressure promotes brake 7 to work as power, using the rubbing action between object, reaches the purpose of braking.By repeatedly trying
Test, mass data is obtained, by analytical analysis, so as to obtain the P-V characteristics of wheel cylinder.
Embodiment 4：The third brake system of car brake fluid needs the application of liquid measure test device, according to brake pedal 3
Stroke difference needs caused by liquid measure test device first to need liquid measure to test first；Carried out by the workflow of embodiment more
Secondary experiment, the stroke of brake pedal 3 is ascending to be continuously increased, and recording first needs the first need caused by liquid measure test device
Liquid measure, until a critical point, even if the stroke of increase brake pedal 3, first needs first caused by liquid measure test device
Liquid measure is needed also not change.The efficiency of the power now acted on brake pedal 3 is maximum, so that it is determined that brake pedal 3 is optimal
Stroke；Optimal brake power is produced with optimal stroke.
Disclosed above is only the embodiment of invention, but is not used for limiting itself, any skill for being familiar with this area
Art personnel, related design, improvement etc. can be carried out according to its essential idea, without departing from the spirit of the invention, all should
This is within the scope of the present invention.
Claims (4)
1. a kind of brake fluid of brake system of car needs liquid measure test device, the brake system of car includes：Brake oil liquid bath
(1), master cylinder (2), brake pedal (3), brake hard tube (4a), air-brake coupling hose (4b), wheel cylinder (6) and brake (7)；
The brake pedal (3) is connected with master cylinder (2)；The brake oil liquid bath (1) is connected by pipeline with master cylinder (2),
The master cylinder (2) is connected by the brake hard tube (4a) and air-brake coupling hose (4b) with four wheel cylinders (6)；The system
Driving wheel cylinder (6) is connected with brake (7)；It is characterized in that
The interface of the air-brake coupling hose (4b) and wheel cylinder (6), which is provided with first, needs liquid measure test device (5)；
Described first needs liquid measure test device (5) to include：Cavity pipe (5a), linear displacement transducer (5b), metallic rod (5c)
With I-shaped piston (5d)；
The cavity pipe (5a) is connected with the air-brake coupling hose (4b) with the interface thread of wheel cylinder (6) respectively；
The I-shaped piston (5d) is provided with the cavity pipe (5a)；The I-shaped piston (5d) and the cavity
Pipe (5a) interference fits；The metallic rod (5c) is vertically installed with the connecting rod of the I-shaped piston (5d)；Institute
The top for stating metallic rod (5c) is provided with the linear displacement transducer (5b)；The linear displacement transducer (5b) and the sky
Chamber pipe (5a) inwall is fixedly connected；
Described first to need liquid measure test device (5) be that the brake fluid of the master cylinder (2) is promoted using the brake pedal (3)
Flowed into by the brake hard tube (4a) in the cavity pipe (5a), will so as to promote the I-shaped piston (5d) to move
Brake fluid in the air-brake coupling hose (4b) is pressed into the wheel cylinder (6), and causes the metallic rod (5c) to drive institute
The sliding block stated on linear displacement transducer (5b) produces displacement on the linear displacement transducer (5b)；So as to be utilized
Formula (1) calculating, which obtains the first of the wheel cylinder (6), needs liquid measure V：
V=S × L (1)
In formula (1), S represents the cross-sectional area of the I-shaped piston (5d)；L represents the position of the linear displacement transducer (5b)
Shifting amount.
2. a kind of brake fluid of the brake system of car based on described in claim 1 needs the application of liquid measure test device, its feature
It is to set second to need liquid measure test device again between the brake hard tube (4a) and the air-brake coupling hose (4b)；
Liquid measure test device (5) obtained first is needed to described first needs liquid measure to need liquid measure test device (8) to be obtained with second
Second obtained needs liquid measure to be compared, so as to obtain fit correlation.
3. a kind of brake fluid of the brake system of car based on described in claim 1 needs the application of liquid measure test device, its feature
It is to test described first according to the stroke difference of the brake pedal (3) to need the first need caused by liquid measure test device (5)
Liquid measure；So that it is determined that the optimal stroke of the brake pedal (3)；Optimal brake power is produced with the optimal stroke.
4. a kind of brake fluid of the brake system of car based on described in claim 1 needs the application of liquid measure test device, its feature
It is to need to set a pressure sensor (9) on the brake hard tube (4a) where liquid measure test device (5) first, liquid is needed by first
Measure test device (5) and pressure sensor (9) forms the P-V characteristic test devices of wheel cylinder (6)；
The first braking for needing liquid measure to be obtained with pressure sensor (9) that liquid measure test device (5) obtained is needed by described first
The pressure of hard tube (4a), so as to obtain the P-V characteristics of the wheel cylinder (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610054781.1A CN105547713B (en) | 2016-01-25 | 2016-01-25 | A kind of brake fluid of brake system of car needs liquid measure test device and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610054781.1A CN105547713B (en) | 2016-01-25 | 2016-01-25 | A kind of brake fluid of brake system of car needs liquid measure test device and its application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105547713A CN105547713A (en) | 2016-05-04 |
| CN105547713B true CN105547713B (en) | 2017-11-10 |
Family
ID=55827057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610054781.1A Active CN105547713B (en) | 2016-01-25 | 2016-01-25 | A kind of brake fluid of brake system of car needs liquid measure test device and its application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105547713B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107290098B (en) * | 2017-06-14 | 2019-05-21 | 安徽江淮汽车集团股份有限公司 | A kind of caliper needs liquid measuring device |
| CN107167325B (en) * | 2017-07-05 | 2024-03-22 | 杭州沃镭智能科技股份有限公司 | Device and method for detecting liquid supplementing performance of electronic booster with main cylinder assembly |
| CN111751097A (en) * | 2020-06-24 | 2020-10-09 | 中国第一汽车股份有限公司 | Method for testing liquid amount required by automobile brake |
| CN113933069B (en) * | 2021-11-22 | 2024-03-15 | 中国第一汽车股份有限公司 | Method and system for testing liquid amount required by brake caliper |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089782A (en) * | 2014-06-27 | 2014-10-08 | 杭州沃镭科技有限公司 | Device and method for testing liquid consumption of hydraulic brake caliper comprehensive performance test bed |
| CN104458276A (en) * | 2014-11-26 | 2015-03-25 | 清华大学 | Performance test method of hydraulic control unit of car brake system |
| CN104596777A (en) * | 2015-01-27 | 2015-05-06 | 中国计量学院 | Multiphase flow experimental system of automobile ABS ((Anti-skid Brake System) hydraulic system |
| CN105004535A (en) * | 2015-08-17 | 2015-10-28 | 安徽江淮汽车股份有限公司 | Method for testing P-V relation of brake |
| CN205317488U (en) * | 2016-01-25 | 2016-06-15 | 安徽农业大学 | Automobile brake system's brake fluid needs liquid measure testing arrangement |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8126607B2 (en) * | 2008-10-30 | 2012-02-28 | International Business Machines Corporation | Vehicle fluid replacement tracking |
-
2016
- 2016-01-25 CN CN201610054781.1A patent/CN105547713B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089782A (en) * | 2014-06-27 | 2014-10-08 | 杭州沃镭科技有限公司 | Device and method for testing liquid consumption of hydraulic brake caliper comprehensive performance test bed |
| CN104458276A (en) * | 2014-11-26 | 2015-03-25 | 清华大学 | Performance test method of hydraulic control unit of car brake system |
| CN104596777A (en) * | 2015-01-27 | 2015-05-06 | 中国计量学院 | Multiphase flow experimental system of automobile ABS ((Anti-skid Brake System) hydraulic system |
| CN105004535A (en) * | 2015-08-17 | 2015-10-28 | 安徽江淮汽车股份有限公司 | Method for testing P-V relation of brake |
| CN205317488U (en) * | 2016-01-25 | 2016-06-15 | 安徽农业大学 | Automobile brake system's brake fluid needs liquid measure testing arrangement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105547713A (en) | 2016-05-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105547713B (en) | A kind of brake fluid of brake system of car needs liquid measure test device and its application | |
| WO2021258702A1 (en) | Method for testing amount of fluid required for automobile brake | |
| CN105136478A (en) | Totally-enclosed wet-type multi-disc brake performance test device | |
| CN110053593A (en) | A kind of multiple-piece rail transit car braking system | |
| CN209745453U (en) | dynamic testing device for brake dragging torque | |
| CN205317488U (en) | Automobile brake system's brake fluid needs liquid measure testing arrangement | |
| CN217355341U (en) | Electromechanical brake and vehicle | |
| CN203881542U (en) | Detection device for automobile vacuum booster | |
| CN107843370A (en) | A kind of test device and method of track train running resistance | |
| CN114509275A (en) | Method for testing pressure characteristic of caliper brake on road and operation method of control device | |
| Natarajan et al. | A model of the relay valve used in an air brake system | |
| CN106812840A (en) | A kind of air-cooled drum-type mine car brake | |
| CN107585147A (en) | A kind of device for detecting brake pedal position | |
| CN106801709A (en) | A kind of drum-type mine car brake | |
| CN104568469B (en) | A kind of side seal components mechanism of vacuum booster assembly performance on-line measuring device | |
| CN204330357U (en) | A kind of side seal components mechanism of vacuum booster assembly performance on-line measuring device | |
| CN216791567U (en) | Sealing performance detection device of brake caliper | |
| CN203111498U (en) | Directly driving type aircraft FBW (fly-by-wire) braking system | |
| CN205401561U (en) | Drum -type tramcar brake's control system | |
| CN108528422A (en) | A kind of electromechanical braking system brake pedal apparatus | |
| CN216969628U (en) | Device for acquiring hydraulic and liquid demand data of automobile brake system | |
| CN101504284B (en) | Internal surface tooth geometrical shape change measuring apparatus for rifled pipe expansion | |
| CN207051100U (en) | A kind of metal material bending test device | |
| CN205423637U (en) | Tramcar brake's control system | |
| CN108444655B (en) | Method for measuring inner leakage of automobile clutch master cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |