CN110231178A - A kind of test device of brake pedal feel - Google Patents
A kind of test device of brake pedal feel Download PDFInfo
- Publication number
- CN110231178A CN110231178A CN201910498558.XA CN201910498558A CN110231178A CN 110231178 A CN110231178 A CN 110231178A CN 201910498558 A CN201910498558 A CN 201910498558A CN 110231178 A CN110231178 A CN 110231178A
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- vacuum
- brake pedal
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- brake
- test device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- 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
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- General Physics & Mathematics (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The present invention provides a kind of test devices of brake pedal feel, comprising: testboard and the braking system being respectively arranged on testboard, electric loading system equipment, vacuum system, loading system, data acquisition and processing system；Braking system includes: brake pedal unit, the master cylinder connecting with brake pedal unit and vacuum booster assembly, the electric stabilizing system being connect by brake piping with master cylinder and vacuum booster assembly and the multiple brakes being connected to respectively by brake piping on electric stabilizing system；Vacuum system and loading system are connect with master cylinder and vacuum booster assembly respectively；The brake pedal of electric loading system equipment and brake pedal unit abuts against, and data acquisition and processing system is electrically connected with electric loading system equipment, vacuum system, loading system respectively.The test device of brake pedal feel provided by the invention can be automatically performed the filling of brake fluid, avoid manually filling brake fluid.
Description
Technical field
The present invention relates to vehicle testing field, in particular to a kind of test device of brake pedal feel.
Background technique
Braking system is the important safety guarantee of automobile, and brake pedal feel is as one of automobile important quality, direct shadow
Ring the overall evaluation of the consumer to automobile.Major part vehicle factor mainly passes through following two to the matching of brake pedal feel at present
Stage: first is that preliminary theory matched design, second is that vehicle real steering vectors, then re-start matched design after test failure,
It is also required to re-start real steering vectors accordingly, so not only waste of manpower and material resources, but also the period is long；If in vehicle real vehicle
Before test, simulation test and optimization are carried out using braking system pedal sense test-bed, then will be a cost savings and shorten braking
The matching development cycle of system.
Currently, the test-bed of existing test passenger car brake pedal feel, it can be with simple analog braking system pedal
Feel, also can analyze the influence of different push rod speed and different vacuum degrees to brake pedal feel.
However existing test-bed lacks filing provision, by being accomplished manually filling operation.Tester needs first to carry out
Exhaust, then carries out brake fluid again and manually fills, and whole process takes long time, and operates and be also inconvenient.
Summary of the invention
The present invention provides a kind of test device of brake pedal feel, stepped in the prior art carrying out braking to solve
When plate sensory test, is caused by the way of manually being filled inconvenient and tested the problem of taking long time.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme:
The present invention provides a kind of test devices of brake pedal feel, comprising:
Testboard and the braking system being respectively arranged on testboard, electric loading system equipment, vacuum system, loading system,
Data acquisition and processing system；
Wherein, the braking system include: brake pedal unit, the master cylinder being connect with the brake pedal unit and
Vacuum booster assembly, with the master cylinder and vacuum booster assembly by electric stabilizing system that brake piping is connect with
And it is connected to by brake piping multiple brakes on the electric stabilizing system respectively；
The vacuum system and the loading system are connect with the master cylinder and vacuum booster assembly respectively；It is described
Electric loading system equipment and the brake pedal of the brake pedal unit abut against, the data acquisition and processing system respectively with institute
State electric loading system equipment, the vacuum system, loading system electrical connection.
Optionally, it is provided with the first guide rail on the testboard, is provided in the electric loading system equipment and described first
The second guide rail that guide rail matches, the electric loading system equipment and the testboard are led by first guide rail and described second
Rail is slidably connected.
Optionally, the electric loading system equipment includes: fixed bracket and the adjusting hand that is fixed on the fixed bracket
Wheel, electric cylinder；Wherein the adjusting handle is used to adjust the push rod of the electric cylinder and the angle of horizontal plane.
Optionally, the vacuum system is connect by the first pipeline with the master cylinder and vacuum booster assembly, institute
Loading system is stated to connect by the second pipeline with the master cylinder and vacuum booster assembly；
By third piping connection between first pipeline and second pipeline, wherein being arranged on the third pipeline
There is vacuum valve.
Optionally, the data acquisition and processing system includes:
Be set in the brake piping between the master cylinder and vacuum booster assembly and electric stabilizing system
One sensor；
The second sensor being set in the brake piping between electric stabilizing system and the brake；
The 3rd sensor being set in the master cylinder and vacuum booster assembly；
The 4th sensor being set on the brake pedal unit；
Respectively with the first sensor, the second sensor, the 3rd sensor and the 4th sensor
The processor of electrical connection, the processor are also electrically connected with the electric stabilizing system；
The display being electrically connected with the processor.
Optionally, the vacuum system includes: electronic vacuum pump and vacuum tank；
Wherein, the electronic vacuum pump is electrically connected with the data acquisition and processing system；The electronic vacuum pump passes through
One vacuum tube is connect with the vacuum tank, and the vacuum tank passes through a vacuum tube and the master cylinder and vacuum booster
Assembly connection.
Optionally, the loading system includes: compression module and the liquid storage module connecting with the compression module.
Optionally, the test device further include: the seat being set on the testboard；
Wherein the seat is slidably connected with the testboard, and the angle between the backrest and cushion of the seat is adjustable.
Optionally, the test device further include: the power supply unit being set on the testboard；The power supply unit with
The data acquisition and processing system electrical connection.
Optionally, the bottom of the testboard is provided with multiple pulleys.
The beneficial effects of the present invention are:
The test device of above-mentioned technical proposal, brake pedal feel has loading system, can be to avoid artificial filling braking
Liquid fills brake fluid to master cylinder and vacuum booster assembly by way of automatic filling brake fluid, and reduces people
Work air exhaust loop connects, and saves the testing time, improves testing efficiency.
Detailed description of the invention
Fig. 1 shows a kind of test device schematic diagrames of brake pedal feel provided in an embodiment of the present invention；
Fig. 2 indicates a kind of one of the test device overall schematic of brake pedal feel provided in an embodiment of the present invention；
Fig. 3 indicates the two of the test device overall schematic of a kind of brake pedal feel provided in an embodiment of the present invention；
Fig. 4 indicates electric loading system equipment schematic diagram provided in an embodiment of the present invention.
Description of symbols:
11, testboard；12, braking system；121, brake pedal unit；122, master cylinder and vacuum booster assembly；
123, electric stabilizing system；124, brake；13, electric loading system equipment；131, fixed bracket；132, adjusting handle；133, electric
Dynamic cylinder；14, vacuum system；15, loading system；16, data acquisition and processing system；17, vacuum valve；18, seat.
Specific embodiment
The exemplary embodiment that the present invention will be described in more detail below with reference to accompanying drawings.Although showing the present invention in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the present invention without should be by embodiments set forth here
It is limited.It is to be able to thoroughly understand the present invention on the contrary, providing these embodiments, and can be by the scope of the present invention
It is fully disclosed to those skilled in the art.
As shown in Figure 1-3, the embodiment of the invention provides a kind of test device of brake pedal feel, the brake pedal sense
The test device of feel includes:
Testboard 11 and the braking system 12 being respectively arranged on testboard 11, electric loading system equipment 13, vacuum system 14,
Loading system 15, data acquisition and processing system 16；
Wherein, braking system 12 include: brake pedal unit 121, the master cylinder being connect with brake pedal unit 121 and
Vacuum booster assembly 122, the electric stabilizing system being connect with master cylinder and vacuum booster assembly 122 by brake piping
123 and multiple brakes 124 for being connected to respectively by brake piping on electric stabilizing system 123；
Vacuum system 14 and loading system 15 are connect with master cylinder and vacuum booster assembly 122 respectively；Electric loading system
Equipment 13 and the brake pedal of brake pedal unit 121 abut against, and data acquisition and processing system 16 is set with electric loading system respectively
Standby 13, vacuum system 14, loading system 15 are electrically connected.
It should be noted that testboard 11 is the main structure of the test device of brake pedal feel, preferably, testboard
11 are used for simulating vehicle driver's cabin；Braking system 12, vacuum system 14, the relative position between loading system 15, on real vehicle
Braking system, vacuum system, the relative position between loading system are identical.Preferably, testboard 11 is removable.Testboard 11
Bottom is provided with multiple pulleys 19.
Brake pedal unit 121 is connect by pin shaft with master cylinder and vacuum booster assembly 122.Master cylinder and true
Empty booster assembly 122 is connect by a brake piping with electric stabilizing system 123 respectively.The quantity of brake 124 can be with
It is 4, but not limited to this.Each brake 124 is connect by a brake piping with electric stabilizing system 123.Wherein, it brakes
There is brake fluid in pipeline.
Vacuum system 14 is for vacuumizing master cylinder and vacuum booster assembly 122, to simulate true vehicle
Vacuum environment.Preferably, vacuum system 14 can provide the vacuum environment of 0~100kPa range.Preferably, vacuum system 14 is wrapped
It includes: electronic vacuum pump and vacuum tank；
Wherein, electronic vacuum pump is electrically connected with data acquisition and processing system 16；Electronic vacuum pump passes through a vacuum tube
It is connect with vacuum tank, vacuum tank is connect by a vacuum tube with master cylinder and vacuum booster assembly 122.It is acquired by data
And processing system 16 controls the opportunity that vacuum system 14 works, vacuum system 14 is receiving the hair of data acquisition and processing system 16
Send when vacuumizing signal, just start to work.And the vacuum of master cylinder and vacuum booster assembly 122 is mentioned by vacuum tank
For, and indirect provided by electronic vacuum pump.
Loading system 15 is used to fill brake fluid to master cylinder and vacuum booster assembly 122.Preferably, loading system
15 include: compression module and the liquid storage module connecting with compression module.Brake fluid is stored in liquid storage module.Likewise, by counting
The opportunity that loading system 15 works is controlled according to acquisition and processing system 16, loading system 15 is receiving data acquisition and processing system
When the filling signal that system 16 is sent, just start to work.
Electric loading system equipment 13 acts on the brake pedal of brake pedal unit 121, and brake pedal is trampled in simulation.Pass through
Electric loading system equipment 13 is trampled or is pressed brake pedal with different dynamics so that brake pedal at different rates upwards or
It moves down.Likewise, controlling the working condition of electric loading system equipment 13 by data acquisition and processing system 16.
For convenience of test, test device further include: the power supply unit being set on testboard 11；Power supply unit is adopted with data
Collection and processing system 16 are electrically connected.By the way that power supply unit is arranged on testboard 11, the test of brake pedal feel can be widened
The scope of application of device.Preferably, power supply unit can provide the voltage of 380 volts and 220 volts simultaneously.
In the embodiment of the present invention, the test device of brake pedal feel has loading system 15, can be to avoid artificial filling
Brake fluid fills brake fluid to master cylinder and vacuum booster assembly by way of automatic filling brake fluid, and reduces
Artificial air exhaust loop connects, and saves the testing time, improves testing efficiency.
In order to test the brake pedal feel of different automobile types, on the basis of foregoing invention embodiment, the embodiment of the present invention
In, it is provided with the first guide rail on testboard 11, the second guide rail matched with the first guide rail is provided in electric loading system equipment 13,
Electric loading system equipment 13 and testboard 11 are slidably connected by the first guide rail and the second guide rail.
It should be noted that braking system 12, vacuum system 14, loading system 15 can be adjusted according to different automobile types
Relative position.To allow electric loading system equipment 13 to act on the brake pedal of brake pedal unit 121, electric loading system always
Equipment 13 is slidably connected on testboard 11.By sliding of the electric loading system equipment 13 on testboard 11, so that electric loading system
Equipment 13 can be moved to multiple positions on testboard 11.Preferably, the quantity of the first guide rail and the second guide rail is 2,
But not limited to this.
As shown in figure 4, in the embodiment of the present invention, electric loading system equipment 13 is wrapped on the basis of above-mentioned each inventive embodiments
It includes: fixed bracket 131 and the adjusting handle 132, the electric cylinder 133 that are fixed on fixed bracket 131；Wherein adjusting handle 132
For adjusting the push rod of electric cylinder 133 and the angle of horizontal plane.
It should be noted that the push rod of electric cylinder 133 can stretch, preferably, the push rod is close to one end of brake pedal
It is provided with floating junction, is provided with pedal pad on brake pedal, which abuts against with the pedal pad.It is adjusted by rotation
Handwheel 132 can change the angle of push rod and horizontal plane, that is, change the height and angle of floating junction.
With continued reference to Fig. 1, it is exhausted before being filled for convenience to master cylinder and vacuum booster assembly 122, upper
On the basis of stating each inventive embodiments, in the embodiment of the present invention, vacuum system 14 passes through the first pipeline and master cylinder and vacuum
Booster assembly 122 connects, and loading system 15 is connect by the second pipeline with master cylinder and vacuum booster assembly 122；
By third piping connection between first pipeline and the second pipeline, vacuum valve 17 wherein is provided on third pipeline.
It should be noted that vacuum valve 17 can be opened before loading system 15 is filled, it is right using vacuum system 14
Master cylinder and vacuum booster assembly 122 are exhausted, exhaust complete after close vacuum valve 17, using loading system 15 into
Row filling.Vacuum valve 17 can also avoid interfering with each other between vacuum system 14 and loading system 15.Vacuum valve 17 can use
The valve of other control gas circulations replaces.
For multiple test datas during collecting test, on the basis of above-mentioned each inventive embodiments, the present invention is real
It applies in example, data acquisition and processing system 16 includes:
It is set in the brake piping between master cylinder and vacuum booster assembly 122 and electric stabilizing system 123
First sensor；
The second sensor being set in the brake piping between electric stabilizing system 123 and brake 124；
The 3rd sensor being set in master cylinder and vacuum booster assembly 122；
The 4th sensor being set on brake pedal unit 121；
The processor being electrically connected respectively with first sensor, second sensor, 3rd sensor and the 4th sensor, place
Reason device is also electrically connected with electric stabilizing system 123；
The display being electrically connected with processor.
It should be noted that the brake pipe between master cylinder and vacuum booster assembly 122 and electric stabilizing system 123
Road has two, and a first sensor is arranged in every brake piping, then the quantity of first sensor is two, first sensor
For master cylinder pressure sensor, for acquiring the master cylinder pressure of master cylinder and vacuum booster assembly.
Second sensor is wheel side pressure sensor, for acquiring the wheel side pressure of brake 124.Each brake 124
A different brake piping is provided between electric stabilizing system 123, preferably, the quantity and braking of second sensor
The quantity of device 124 is identical, and is 4, but not limited to this.
3rd sensor is that vacuum degree acquires sensor, for acquiring the true of master cylinder and vacuum booster assembly 122
Reciprocal of duty cycle, preferably, 3rd sensor is set at the vacuum port of master cylinder and vacuum booster assembly 122.
4th sensor is pedal travel and pedal force sensor, for acquiring pressure and pedal row on brake pedal
Journey, preferably, on the pedal pad for the brake pedal that the 4th sensor is set to brake pedal unit 121.
Processor receives the data of each sensor acquisition, and carries out processing and generate a plurality of data and curves, passes through display
It is shown.The a plurality of data and curves wherein generated can be pedal travel-time graph, pedal force-time curve, vacuum
Degree-time graph, hydraulic-time graph, hydraulic-pedal travel curve, hydraulic-pedal force curve, pedal travel rate-time
Curve, pedal force rate-time curve, hydraulic-pedal force/stroke curve of corresponding a plurality of pedal rate, corresponding multiple vacuum
Hydraulic-pedal force/stroke curve of degree, vehicle deceleration-pedal travel curve, in vehicle deceleration-pedal force curve extremely
A few curve.And in carrying out test process, " different vacuum degrees " and " different pedal speeds " two differences can be divided
Experimental condition.
In order to facilitate manual testing, on the basis of above-mentioned each inventive embodiments, in the embodiment of the present invention, test device is also
It include: the seat 18 being set on testboard 11；
Wherein seat 18 is slidably connected with testboard 11, and the angle between the backrest and cushion of seat 18 is adjustable.
It should be noted that the sliding of seat 18 and the adjustable function of backrest are identical as the seat 18 on real vehicle.It tears open
It, can be by tester's seat in carrying out manual testing on the seat 18 of testboard 11 after unloading electric loading system equipment 13.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases
This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as
Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
Claims (10)
1. a kind of test device of brake pedal feel characterized by comprising
Testboard (11) and the braking system (12) being respectively arranged on testboard (11), electric loading system equipment (13), vacuum system
System (14), loading system (15), data acquisition and processing system (16)；
Wherein, the braking system (12) includes: brake pedal unit (121), connect with the brake pedal unit (121)
Master cylinder and vacuum booster assembly (122) pass through brake piping with the master cylinder and vacuum booster assembly (122)
It the electric stabilizing system (123) of connection and is connected to respectively by brake piping more on the electric stabilizing system (123)
A brake (124)；
The vacuum system (14) and the loading system (15) respectively with the master cylinder and vacuum booster assembly (122)
Connection；The electric loading system equipment (13) and the brake pedal of the brake pedal unit (121) abut against, the data acquisition
And processing system (16) is electric with the electric loading system equipment (13), the vacuum system (14), the loading system (15) respectively
Connection.
2. the test device of brake pedal feel according to claim 1, which is characterized in that set on the testboard (11)
It is equipped with the first guide rail, the second guide rail matched with first guide rail is provided on the electric loading system equipment (13), it is described
Electric loading system equipment (13) and the testboard (11) are slidably connected by first guide rail and second guide rail.
3. the test device of brake pedal feel according to claim 1, which is characterized in that the electric loading system equipment
It (13) include: fixed bracket (131) and the adjusting handle (132) being fixed on the fixed bracket (131), electric cylinder
(133)；Wherein the adjusting handle (132) is used to adjust the push rod of the electric cylinder (133) and the angle of horizontal plane.
4. the test device of brake pedal feel according to claim 1, which is characterized in that the vacuum system (14) is logical
It crosses the first pipeline to connect with the master cylinder and vacuum booster assembly (122), the loading system (15) passes through the second pipe
Road is connect with the master cylinder and vacuum booster assembly (122)；
By third piping connection between first pipeline and second pipeline, wherein being provided on the third pipeline true
Empty valve (17).
5. the test device of brake pedal feel according to claim 1, which is characterized in that the data acquisition and processing
System (16) includes:
The brake piping being set between the master cylinder and vacuum booster assembly (122) and electric stabilizing system (123)
In first sensor；
The second sensor being set in the brake piping between electric stabilizing system (123) and the brake (124)；
The 3rd sensor being set in the master cylinder and vacuum booster assembly (122)；
The 4th sensor being set on the brake pedal unit (121)；
It is electrically connected respectively with the first sensor, the second sensor, the 3rd sensor and the 4th sensor
The processor connect, the processor are also electrically connected with the electric stabilizing system (123)；
The display being electrically connected with the processor.
6. the test device of brake pedal feel according to claim 1, which is characterized in that vacuum system (14) packet
It includes: electronic vacuum pump and vacuum tank；
Wherein, the electronic vacuum pump is electrically connected with the data acquisition and processing system (16)；The electronic vacuum pump passes through
One vacuum tube is connect with the vacuum tank, and the vacuum tank passes through a vacuum tube and the master cylinder and vacuum booster
Assembly (122) connection.
7. the test device of brake pedal feel according to claim 1, which is characterized in that loading system (15) packet
It includes: compression module and the liquid storage module being connect with the compression module.
8. the test device of brake pedal feel according to claim 1, which is characterized in that the test device is also wrapped
It includes: the seat (18) being set on the testboard (11)；
Wherein the seat (18) is slidably connected with the testboard (11), the folder between the backrest and cushion of the seat (18)
Angle is adjustable.
9. the test device of brake pedal feel according to claim 1, which is characterized in that the test device is also wrapped
It includes: the power supply unit being set on the testboard (11)；The power supply unit and the data acquisition and processing system (16)
Electrical connection.
10. the test device of brake pedal feel according to claim 1, which is characterized in that the testboard (11)
Bottom is provided with multiple pulleys (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910498558.XA CN110231178A (en) | 2019-06-10 | 2019-06-10 | A kind of test device of brake pedal feel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910498558.XA CN110231178A (en) | 2019-06-10 | 2019-06-10 | A kind of test device of brake pedal feel |
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| Publication Number | Publication Date |
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| CN110231178A true CN110231178A (en) | 2019-09-13 |
Family
ID=67859448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910498558.XA Pending CN110231178A (en) | 2019-06-10 | 2019-06-10 | A kind of test device of brake pedal feel |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111220392A (en) * | 2020-01-19 | 2020-06-02 | 中汽研汽车检验中心(宁波)有限公司 | Test system and test method for automobile brake feeling test |
| CN111873971A (en) * | 2020-07-30 | 2020-11-03 | 重庆长安汽车股份有限公司 | Vacuum power-assisted brake system of automobile |
| CN111964852A (en) * | 2020-08-24 | 2020-11-20 | 江铃汽车股份有限公司 | Vacuum simulation test device and test method for automobile service brake system |
| CN112129515A (en) * | 2020-11-20 | 2020-12-25 | 江西江铃集团深铃汽车零部件有限公司 | Vacuum booster's endurance test platform |
| CN112945553A (en) * | 2021-03-31 | 2021-06-11 | 东风汽车集团股份有限公司 | Real vehicle vacuum booster performance test system and method |
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Application publication date: 20190913 |