CN206628203U - A kind of commerial vehicle electronic control air suspension simulating table - Google Patents
A kind of commerial vehicle electronic control air suspension simulating table Download PDFInfo
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- CN206628203U CN206628203U CN201720396388.0U CN201720396388U CN206628203U CN 206628203 U CN206628203 U CN 206628203U CN 201720396388 U CN201720396388 U CN 201720396388U CN 206628203 U CN206628203 U CN 206628203U
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- fixed
- electronic control
- cover plate
- vehicle electronic
- air spring
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Abstract
The utility model discloses a kind of commerial vehicle electronic control air suspension simulating table, including：Vibrational system, including base are loaded, it is connected to the support tube on base, and is fixed on the upper backup pad on support tube top；Four support bars, its lower end are fixed on the upper transverse plane of the base, and upper end is fixed on the upper cover plate on experimental bench top；Air spring, its one end are fixedly connected with the upper cover plate, and the other end is connected with spring lifting device, and the spring lifting device is connected with the air spring bearing being fixed on the upper backup pad；Damper, it is be arranged in parallel with the air spring, and its lower end is connected with the vibration damping mounting being fixed on the upper backup pad, and upper end is fixedly connected with the upper cover plate；Height sensor, it is arranged between the upper cover plate and the upper backup pad, can measure the height of the air spring lifting.Experimental test is carried out using the platform, shortens the construction cycle, while avoid the danger under limiting condition.
Description
Technical field
A kind of commerial vehicle electronic control air suspension simulating table is the utility model is related to, belongs to experimental bench field.
Background technology
Suspension system is the important component of vehicle.With the development of science and technology and the continuous progress of control technology, tradition
Commercial car steel plate spring type suspension system due to its parameter it is immutable, constrain the performance of suspension system effect, it is and automatically controlled
Because Parameter adjustable the best performance under each operating mode can be achieved, and meet future automobile low-carbon, light weight in airsuspension system
Change, intelligent, personalized development trend, so as to turn into research hot topic and trend.
Research tool of commercial car electronic control air suspension system (ECAS) simulation test platform for the advanced electronic control technology of automobile
There are important theory and practical significance, can be used for developing ECAS system control strategies, validation fault diagnosis and fault tolerance, and
The ECAS system developments and experimental bench matching of vehicle are carried out with reference to Real-time dynamics software, can greatly shorten the construction cycle, carry
Rise Corporation R ＆ D ability.
A variety of experimental benches on suspension system are presently, there are, but existing suspension system experimental bench is mainly that tradition is outstanding
Frame system experimental and teaching demonstration experimental bench, also without one kind dedicated for commerial vehicle electronic control air suspension research and development of products
And test experimental bench.
It is CN103308327A that Chinese patent, which announces (announcement) number, and announcement (announcement) day is 2013.09.18, utility model title
For " sprung parts are in ring real-time simulation pilot system ", Application No. 201210057269.4, apply for artificial Changchun hole brightness automobile
Science and Technology Ltd..The patent utilization Full Vehicle Dynamics model, it is real to sprung parts assemblage on-orbit real-time system and sprung parts
Thing carries out building for closed loop real-time emulation system, but the pilot system is directed to Used in Suspended Truss of Passenger Car, and is not suitable for
In airsuspension system.
It is CN103456229A that Chinese patent, which announces (announcement) number, and announcement (announcement) day is 2013.12.18, utility model title
For " a kind of electronic control air suspension experiment table ", Application No. 201310461279.9, apply for artificial Jiangsu agricultural vocational technology
Institute.The patent builds basis using former car electronic control air suspension accessory as experimental bench, has dynamic demonstration function, display work(
Energy, detection function and failure set function, but the experimental bench is mainly used in teaching demonstration use, does not possess real-time simulation and puts down
Platform, and without Full Vehicle Dynamics model, therefore the checking of strategy and the test of critical component can not be controlled in real time.
It is CN104537943A that Chinese patent, which announces (announcement) number, and announcement (announcement) day is 2015.04.22, utility model title
For " automobile air suspension system experimental bench ", Application No. 201410840815.0, apply for that artificial Suzhou dragon connection instrument science and technology has
Limit company.The patent adjusts suspension height by levelling valve, completes the regulation to air suspension height and shock absorber hardness,
So as to truly demonstrate the course of work of vehicle air suspension system, this same patent, can not also for demonstration effect is realized
Carry out the checking and unit test of actual control strategy.
Utility model content
The utility model has designed and developed a kind of commerial vehicle electronic control air suspension simulating table, using the teaching of the invention it is possible to provide a kind of right
Commerial vehicle electronic control air suspension system carries out the simulating table of component capabilities test.
Technical scheme provided by the utility model is：
A kind of commerial vehicle electronic control air suspension simulating table, including：
Vibrational system, including base, the support tube being connected on base are loaded, and is fixed on the upper branch on support tube top
Fagging；
Four support bars, its lower end are fixed on the upper transverse plane of the base, and upper end is fixed on the upper of experimental bench top
On cover plate；
Air spring, its one end are fixedly connected with the upper cover plate, and the other end is connected with spring lifting device, the spring
Lowering or hoisting gear is connected with the air spring bearing being fixed on the upper backup pad；
Damper, it be arranged in parallel with the air spring, its lower end and the damper being fixed on the upper backup pad
Bearing is connected, and upper end is fixedly connected with the upper cover plate；
Height sensor, it is arranged between the upper cover plate and the upper backup pad, can measure the air spring
The height of lifting.
Preferably, the loading vibrational system is internally provided with displacement load sensor, and its one end is fixed on described
The lower section of supporting plate.
Preferably, hydraulic actuator is also included inside the loading vibrational system, its one end is connected to the displacement and carried
The bottom of lotus sensor, the hydraulic actuator variable can be set, realize the change in displacement below suspension system.
Preferably, four post uppers are separately installed with sleeve, are connected by bolt with the upper cover plate.
Preferably, the experimental bench also includes TT＆C system, and it is passed with the air spring, damper and the height
Sensor, loading vibrational system connect respectively, can set and transmit command signal, realize the regulation of bodywork height.
Preferably, data handling system is provided with the TT＆C system, the vibration letter of experimental bench system can be handled
Number.
Beneficial effect described in the utility model：The experimental bench is to carry out commerial vehicle air suspension control strategy
Verify and carry out the performance test of air spring, damper and magnetic valve and build；It is simple in construction, easily operation, user
Just, experimental test is carried out using the platform, shortens the construction cycle, reduce R＆D costs, while avoid some limit works
Danger under condition.
Brief description of the drawings
Fig. 1 is a kind of commerial vehicle electronic control air suspension simulating table described in the utility model；
Fig. 2 is a kind of commerial vehicle electronic control air suspension simulating table described in the utility model；
Fig. 3 for a kind of commerial vehicle electronic control air suspension simulating table air suspension arrangement described in the utility model and
Clamping mechanism structure chart；
Fig. 4 is a kind of commerial vehicle electronic control air suspension simulating table simulation system sketch described in the utility model；
Fig. 5 is the height change curve map that real vehicle decline/rising is simulated during height is adjusted；
Fig. 6 is the height change curve map of simulated altitude II/height I during height is adjusted；
Height change curve map when analog side is kneeled during Fig. 7 is adjusted for height；
Fig. 8 is height adjustment curve figure when applying load in tracing control；
Fig. 9 is height adjustment curve figure when small range encourages in tracing control；
Height adjustment curve figure when Figure 10 is a wide range of excitation in tracing control.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to explanation
Book word can be implemented according to this.
As Figure 1-10 shows, the utility model provides a kind of commerial vehicle electronic control air suspension simulating table, including：
Main frame and display system 100, target machine 200, simulation system 300, execution system 400, controller 500.
Execution system 400 includes loading vibrational system and airsuspension system, and loading vibrational system includes base 440, its
Horizontal positioned support tube is connected on base 440 on the ground, and diameter is less than base 440, and, support tube coaxial with base 440
Upper backup pad 460 is fixed with top end face.The lower end of four support bars 470 is fixed on base 440, and upper end passes through sleeve 471
It is connected with the upper cover plate 450 on experimental bench top by screw nut.
Support meanss are arranged on upper backup pad 460, including spring bracing base 432, and it passes through with lower supporting plate 460
Spring bracing base fastening bolt 433 is fixedly connected, and spring bracing lifting platform 431 passes through screw thread and spring bracing base
432 connections, damper support frame 421 are arranged on the side of spring bracing base 432, and lower end is with lower supporting plate 460 by tight
Fixing bolt connects.
Airsuspension system is fixed in loading vibrational system, including：Air spring 430, its upper end pass through air spring
Clamp nut 434 is fixedly connected with upper cover plate 450, and lower end is connected with spring bracing lifting platform 431；It is arranged on air spring
430 sides and damper 420 in parallel, upper end are connected by damper clamp nut 422 with upper cover plate 450, lower end with
Damper support frame 421 is connected, and height sensor 410 is connected between upper cover plate 450 and upper backup pad 460.Magnetic valve 480 1
End is connected with gas supply mechanism, and the other end is connected with air spring 430, and gas supply mechanism includes gas receiver 481 and air compressor
482, gas circuit is formed between gas supply mechanism and magnetic valve 480 and air spring 430, drives air spring 430 to lift.Highly sensing
Device 410 is arranged between upper cover plate 450 and upper backup pad 460, can measure the height of air spring lifting.
Loading vibrational system is internally provided with displacement load sensor 441, and its one end is fixed on upper backup pad 460, liquid
One end of pressure actuator 442 is connected to the bottom of displacement load sensor 441, can set hydraulic actuator variable, realizes outstanding
Change in displacement below frame system.
Execution system 400 includes two lines altogether, and one is oil circuit, secondly being gas circuit；Oil circuit is from oil sources 445 to hydraulic pressure
Actuator 442；Gas circuit is from air compressor 482 to the air inlet of gas receiver 481, from the gas outlet of gas receiver 481 to magnetic valve
480 central air induction mouth, from the venthole of magnetic valve 480 to the air inlet of air spring 430.
TT＆C system includes main frame and display system 100 and target machine 200, TT＆C system and air spring 430, damper
420th, height sensor 410, loading vibrational system connect respectively, can set and transmit command signal, realize bodywork height
Regulation.Target machine 200 is connected with airsuspension system.In main frame and display system 100, vehicle mould is established in main frame 110
Block 111 and air suspension module 112.
Display system 120 includes horizontally disposed host display 121 on the display system, is arranged on host display
The switch board display screen 122 of 121 sides and the indicator lamp 123 being arranged on the right side of the bottom of display system 120.Host display
121 are used for carrying out numerical curve needed for instruction input and observation, as a preferred embodiment, instruction input includes point in the utility model
Fiery signal, switching signal, brake signal, turn signal and GES；Switch board display screen 122 is used for showing loading vibration system
Service load, displacement and temperature of system etc.；Indicator lamp 123 is used for showing current operating state, and is examined when necessary for failure
It is disconnected.
Target machine 200 is real-time analog simulation platform, can be connected with each other by network and main frame 110, and pass through network
Vehicle module 111 and air suspension module 112 in download host 110, are run, and A/D is additionally provided with target machine 200 and is turned
Block 210 and D/A modular converters 220 are changed the mold, realizes the mutual conversion of data signal and analog signalses, ignition signal, switch letter
Number, brake signal, turn signal and GES be sent in controller via target machine 200 by D/A modular converters 220
In 500.
One end of target machine 200 is connected with controller 500, and controller 500 receives ignition signal, switching signal, braking
After signal, turn signal and GES, these signals are handled, and combines therein programmed decision and goes out control letter
Number, the magnetic valve 480 and indicator lamp 123 of execution system 400 are sent to, magnetic valve 480 controls valve port after receiving control signal
Unlatching/closing, and then control air spring 430 be inflated and deflate, so as to realize the regulation of bodywork height.
Analog control signal is exported and sets road spectrum signal to simulation system 300, main frame 110 by target machine 200 simultaneously, is sent
To whole vehicle model, whole vehicle model this road compose on run, by air suspension model measurement suspension lower end displacement variable, then by this
Variable signal is output in the switch board 444 of servo loading system 440, and control hydraulic actuator 442 is loaded, Bit andits control
The signal of displacement and load transducer 441 is changed together with the signal of height sensor 410 by A/D in servo loading system 440
During module 210 is transported to 200 in target machine, and then it is transported in display system 120.
In TT＆C system, processing system is additionally provided with, the vibration signal of experimental bench system can be handled, ensures to transmit
During vibration signal precision.
At work, ignition signal, switching signal, brake signal, turn signal and GES are set by main frame 100,
The signal that main frame 100 is provided with is sent in target machine with vehicle module 111, air suspension module 112 by netting twine, its
In, whole vehicle model and air suspension model are run in target machine, ignition signal, switching signal, brake signal, turn signal and
GES is sent in controller 500 via target machine 200 by D/A modular converters 220, and controller 500 receives igniting
After signal, switching signal, brake signal, turn signal and GES, these signals are handled, and combine therein
Programmed decision goes out control signal and is sent to magnetic valve 480 and indicator lamp 123.Magnetic valve 480 receives control valve after control signal
Unlatching/closing of mouth, and then control air spring 430 to carry out inflation/deflation, so as to realize the regulation of bodywork height.
Target machine 200 outputs analog signal to simulation system 300, the signal imitation system 300 of height sensor 410 simultaneously
Height sensor signal returned to commonly through A/D modular converters 210 in target machine 200, realize closed-loop control；Set in main frame
Road spectrum signal is put, is sent to whole vehicle model, whole vehicle model is composed on this road and run, and passes through air suspension model measurement suspension lower end position
Variable quantity is moved, then this variable signal is output in the switch board 444 of servo loading system 440, control hydraulic actuator 442 enters
Row loads, and the signal of displacement and load transducer 441 is together with height sensor 410 in Bit andits control servo loading system 440
During signal is transported to 200 in target machine by A/D modular converters 210, and then it is transported in display system 120.For testing people
Member's viewing and record data.
Embodiment 1
(static button control) highly is adjusted, simulates button on real vehicle control panel, access control device control program is just
True property, comprises the following steps：
1st, experimental bench prepares：Gas receiver is inflated, hydraulic actuator and oil sources as hydraulic exciting platform and are prepared,
Automobile suspension system is connected with TT＆C system；The central valve of controller and magnetic valve is connected with air outlet valve, and controller is high with first
Spend sensor connection；
2nd, the operation interface of hydraulic actuator in display system is opened, after regulation to experiment elemental height, is switched to pressure
Regulation, and kept, preparing experiment；
Operating mode 1：As shown in figure 5, from starting position, highly at 20mm, reset/lockup switch is in lock position,
Down switch is pressed, falling head to -20mm, observes curvilinear motion；Rising switch is pressed again, rises to initial position 20mm
Place, observe curvilinear motion；
Operating mode 2：As shown in fig. 6, elemental height is arranged into -30mm, then reset/lockup switch is in and resets position
Put, high recovery to height 2, reset/lockup switch be in lock position, pressing height 1 and switching makes spring heights to 50mm,
Observe curvilinear motion.
Operating mode 3, as shown in fig. 7, reset/lockup switch is in into lock position, switch is kneeled by downside, and kept, observed
Curvilinear motion.
Embodiment 2
Tracing control (dynamic auto control), checking height keeps function, when air spring load changes, checking
Controller is to air spring tracing control program correctness.
Test procedure：
1st, experimental bench prepares：Hydraulic exciting platform is prepared, and gas receiver inflation, automobile suspension system connects with TT＆C system
Connect；The central valve of controller and magnetic valve is connected with air outlet valve, and controller is connected with the first height sensor；(height range：-
84mm~+40mm)；
2nd, the control interface of hydraulic actuator in TT＆C system is opened, after regulation to experiment elemental height, is switched to pressure
Regulation, and keep；
3rd, tracing control height is given by controller by program, hydraulic actuator holding is highly adjusted according to tracing control
Pressure balance at the tracing positional；
Such as Fig. 8 of operating mode 1, changes supply pressure below actuating vibration table, simulates real vehicle load change, makes air bullet when applying load
After spring exceedes error range and maintains 6s, maintained automatically to air spring inflation in tracing control altitude range.
Operating mode 2, passes through actuating vibration table, there is provided gives air spring sinusoidal variations pressure, simulated roadway excitation.
1) as shown in figure 9, when sending continuous road excitation, when air spring height is not less than adjustable range, control
Device is to air spring without control.
2) as shown in Figure 10, after excitation causes the super place's adjustable range of air spring height and is continued above 6S, controller
Control air spring makes height maintain in given tracing control altitude range.
Although embodiment of the present utility model is disclosed as above, it is not restricted in specification and embodiment
Listed utilization, it can be applied to various suitable fields of the present utility model completely, for those skilled in the art,
Other modification is easily achieved, therefore under the universal limited without departing substantially from claim and equivalency range, this reality
Specific details is not limited to new and shown here as the legend with description.
Claims (6)
- A kind of 1. commerial vehicle electronic control air suspension simulating table, it is characterised in that including：Vibrational system, including base are loaded, it is connected to the support tube on base, and is fixed on the upper support on support tube top Plate；Four support bars, its lower end are fixed on the upper transverse plane of the base, and upper end is fixed on the upper cover plate on experimental bench top On；Air spring, its one end are fixedly connected with the upper cover plate, and the other end is connected with spring lifting device, the spring lifting Device is connected with the air spring bearing being fixed on the upper backup pad；Damper, it be arranged in parallel with the air spring, its lower end and the vibration damping mounting being fixed on the upper backup pad Connection, upper end is fixedly connected with the upper cover plate；Height sensor, it is arranged between the upper cover plate and the upper backup pad, can measure the air spring lifting Height.
- 2. commerial vehicle electronic control air suspension simulating table according to claim 1, it is characterised in that the loading is shaken Dynamic internal system is provided with displacement load sensor, and its one end is fixed on the lower section of the upper backup pad.
- 3. commerial vehicle electronic control air suspension simulating table according to claim 2, it is characterised in that the loading is shaken Dynamic internal system also includes hydraulic actuator, and its one end is connected to the bottom of the displacement load sensor, can set described Hydraulic actuator variable, realize the change in displacement below suspension system.
- 4. commerial vehicle electronic control air suspension simulating table according to claim 1, it is characterised in that four branch Strut upper end is separately installed with sleeve, is connected by bolt with the upper cover plate.
- 5. commerial vehicle electronic control air suspension simulating table according to claim 1, it is characterised in that the experimental bench Also including TT＆C system, it is connected respectively with the air spring, damper and the height sensor, loading vibrational system, Command signal can be set and transmitted, realizes the regulation of bodywork height.
- 6. commerial vehicle electronic control air suspension simulating table according to claim 5, it is characterised in that the observing and controlling system Data handling system is provided with system, the vibration signal of experimental bench system can be handled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720396388.0U CN206628203U (en) | 2017-04-14 | 2017-04-14 | A kind of commerial vehicle electronic control air suspension simulating table |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720396388.0U CN206628203U (en) | 2017-04-14 | 2017-04-14 | A kind of commerial vehicle electronic control air suspension simulating table |
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| Publication Number | Publication Date |
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| CN206628203U true CN206628203U (en) | 2017-11-10 |
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ID=60205018
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720396388.0U Expired - Fee Related CN206628203U (en) | 2017-04-14 | 2017-04-14 | A kind of commerial vehicle electronic control air suspension simulating table |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106847063A (en) * | 2017-04-14 | 2017-06-13 | 浙江万安科技股份有限公司 | A kind of commerial vehicle electronic control air suspension simulating table and its signal processing method |
| CN110887678A (en) * | 2019-11-06 | 2020-03-17 | 江苏科技大学 | Hardware-in-loop experimental platform and adjusting method of electric control air suspension vehicle height adjusting system |
-
2017
- 2017-04-14 CN CN201720396388.0U patent/CN206628203U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106847063A (en) * | 2017-04-14 | 2017-06-13 | 浙江万安科技股份有限公司 | A kind of commerial vehicle electronic control air suspension simulating table and its signal processing method |
| CN106847063B (en) * | 2017-04-14 | 2023-03-10 | 浙江万安科技股份有限公司 | Commercial vehicle electronic control air suspension simulation experiment table and signal processing method thereof |
| CN110887678A (en) * | 2019-11-06 | 2020-03-17 | 江苏科技大学 | Hardware-in-loop experimental platform and adjusting method of electric control air suspension vehicle height adjusting system |
| CN110887678B (en) * | 2019-11-06 | 2021-08-31 | 江苏科技大学 | Hardware-in-loop experimental platform and adjusting method of electric control air suspension vehicle height adjusting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171110 Termination date: 20180414 |