CN108548677A - Chassis dynamometer and intelligent automobile testing stand comprising chassis dynamometer - Google Patents
Chassis dynamometer and intelligent automobile testing stand comprising chassis dynamometer Download PDFInfo
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- CN108548677A CN108548677A CN201810292747.7A CN201810292747A CN108548677A CN 108548677 A CN108548677 A CN 108548677A CN 201810292747 A CN201810292747 A CN 201810292747A CN 108548677 A CN108548677 A CN 108548677A
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- motor
- tourelle
- vehicle
- chassis dynamometer
- controller
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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
- G01M17/0072—Wheeled or endless-tracked vehicles the wheels of the vehicle co-operating with rotatable rolls
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
A kind of intelligent automobile testing stand the present invention relates to chassis dynamometer and comprising chassis dynamometer, chassis dynamometer include：Controller, first motor, the second motor, the first tourelle and the second tourelle.Wherein, controller is electrically connected with the VCU of vehicle to be measured, first motor and the second motor respectively, the rotary speed data of two driving wheels of vehicle to be measured is received from VCU, simulation trial is carried out, the signal of control rotating speed is exported respectively to first motor and the second motor and keeps the rotating speed of the first tourelle and the second tourelle consistent with the rotating speed of two driving wheels of vehicle to be measured respectively；First motor is run according to from controller received signal, and rotating speed is passed to the first tourelle by transmission mechanism, and the second motor is similarly.The present invention can simulate travel situations of the vehicle on road.The simulation of straight-line travelling and steering can be realized in conjunction with the different running environments of vehicle.
Description
Technical field
A kind of intelligent automobile testing stand the present invention relates to chassis dynamometer and comprising chassis dynamometer.
Background technology
Utilization of the chassis dynamometer in automotive test is very universal, and vehicle is in the enterprising professional etiquette constant speed of chassis dynamometer
The traveling of degree is simulated the vehicle condition actually driven, so as to carry out the measurement of vehicle emission etc..However in recent years, with
The continuous development and progress of science and technology, traditional vehicle chassis dynamometer cannot meet growing exploitation demand.Example
Such as, the simulation of Vehicular turn state, the chassis dynamometer etc. researched and developed and verified for intelligent driving.
Invention content
A kind of intelligent automobile testing stand the purpose of the present invention is to provide chassis dynamometer and comprising the chassis dynamometer,
Realize the simulation to Vehicular turn state etc..
The first aspect of the present invention provides a kind of chassis dynamometer, including：Controller, first motor, the second motor,
One tourelle and the second tourelle.
Wherein, controller is electrically connected with the VCU of vehicle to be measured, first motor and the second motor respectively, is received from VCU to be measured
The rotary speed data of two driving wheels of vehicle carries out simulation trial, and control rotating speed is exported respectively to first motor and the second motor
Signal and make rotating speed one of the rotating speed of the first tourelle and the second tourelle respectively with two driving wheels of vehicle to be measured
It causes；First motor is run according to from controller received signal, and rotating speed is passed to the first tourelle by transmission mechanism,
Second motor is run according to from controller received signal, and rotating speed is passed to the second tourelle by transmission mechanism.
The present invention can simulate travel situations of the vehicle on road.It can be realized in conjunction with the different running environments of vehicle straight
The simulation that line is travelled and turned to.
Further, controller exports difference respectively also according to institute's road conditions to be simulated to first motor and the second motor
Control the first tourelle and the second tourelle treat measuring car two driving wheels torque signal, first motor according to
The first tourelle of control received treats the signal operation of the torque of a driving wheel of measuring car, and torque is passed through biography
Motivation structure passes to the first tourelle, and the second motor treats the another of measuring car according to the second tourelle of control received
The signal of the torque of a driving wheel is run, and torque is passed to the second tourelle by transmission mechanism.By adjusting output
Torque, can on chassis dynamometer simulating vehicle travel different road surfaces or road conditions, such as：Upward slope, descending, rainy etc..
Further, first motor and the second motor also send reflection electricity in addition to the signal for receiving controller to controller
The real-time rotating speed of machine and/or the feedback signal of torque.To form closed-loop control, so that controller is at any time adjusted motor.
Further, the first tourelle and the second tourelle can be respectively relative to left and right vehicle wheel movement to be measured.With
It simulates the displacement when turning to and provides lateral force for driving wheel.
Further, the first tourelle and the second tourelle can be respectively relative to vehicle to be measured and move up and down, with
Simulated roadway jolts.
Further, the first tourelle and the second tourelle respectively include two rollers and coat the shoe of two rollers
Band.This structure compared to traditional single roller or double-roller structure for, the crawler belt of cladding can be the driving of vehicle to be measured
Wheel provides a plane, as shown in fig. 1, to preferably simulate practical road conditions.
The second aspect of the present invention provides a kind of intelligent automobile testing stand comprising the first aspect of the present invention or first
The chassis dynamometer that any realization method of aspect provides.
Compared with prior art, the present invention uses two load motors, drags Athey wheel, is to the whole series by automatically controlled logic
System carries out Comprehensive Control, and the frrction load that simulating wheel occurs with ground, this is load simulated in addition to what can be moved along a straight line rubs
It wipes outside load simulated, when can also carry out Vehicular turn, the frrction load of ground and tire is simulated, and thus simulates vehicle in road
On travel situations.
Description of the drawings
Fig. 1 is the structural schematic diagram of chassis dynamometer according to an embodiment of the invention.
Fig. 2 is the control system schematic diagram of chassis dynamometer according to an embodiment of the invention.
Specific implementation mode
With reference to specific embodiments and the drawings, the present invention will be further described.It is understood that described herein
Specific embodiment is just for the sake of the explanation present invention rather than limitation of the invention.In addition, for ease of description, in attached drawing only
Show part related to the present invention and not all structure or process.
In addition, "upper", "lower", "left", "right", "front", "rear" etc. used in the following description, it is only for
Facilitate the structure for explaining the present invention, should not be construed as limiting the invention.
According to one embodiment of present invention, a kind of chassis dynamometer is provided, structure is as shown in Figure 1.Chassis dynamometer
Machine 1 includes：Controller (not shown in figure 1), first motor 21, the second motor 22, the first tourelle 11 and second roll dress
Set 12.Wherein, the distance between the first tourelle 11 and the second tourelle 12 are equipped with according to the wheelspan of vehicle, make vehicle
Driving wheel can be rolled on tourelle.First motor 21 and the second motor is respectively set in tourelle 11 and 12 both sides
22, rotating speed and torque can be passed to the first tourelle 11 to drive the first rolling to fill by first motor 21 by transmission mechanism
11 are set, which can be, for example, speed changer.Similarly, the second motor 22 can be by transmission mechanism by rotating speed and torsion
Square passes to the second tourelle 12.Fig. 1 illustrates only a kind of schematical structure, is not limitation of the present invention,
In other embodiment, other modes setting motor and tourelle can also be used, as long as the biography of rotating speed and torque can be realized
It passs.
Identical structure may be used in tourelle 11 and 12, it may for example comprise two cylindrical rollers and along roller side
Bread covers the crawler belt of two rollers, this structure compared to traditional single roller or double-roller structure for, the crawler belt of cladding can
A plane is provided with the driving wheel for vehicle to be measured, as shown in fig. 1, to preferably simulate practical road conditions.
The control system of chassis dynamometer as shown in Fig. 2, controller 50 respectively with the VCU (Vehicle of vehicle to be measured
Control Unit, vehicle control device) the 30, first electric 21 machines and the electrical connection of the second motor 22, controller 50 receive from VCU 30
The rotary speed data of two driving wheels of vehicle to be measured carries out simulation trial, then distinguishes to first motor 21 and the second motor 22
The signal of output control rotating speed, makes two respectively with vehicle to be measured of the rotating speed of the first tourelle 11 and the second tourelle 12
The rotating speed of driving wheel is consistent.First motor 21 is run according to from 50 received signal of controller, and rotating speed is passed through transmission mechanism
The first tourelle 11 is passed to, the second motor 22 is run according to from controller received signal, and rotating speed is passed through driver
Structure passes to the second tourelle 12.
Other than rotating speed, controller 50 can also be according to institute's road conditions to be simulated, to first motor 21 and the second motor
22 export the signal of control mode respectively, and two of measuring car are treated to control the first tourelle 11 and the second tourelle 12
The torque of driving wheel, first motor 21 treat a driving wheel of measuring car according to the first tourelle of control 11 received
The signal of torque is run, and torque is passed to the first tourelle 11 by transmission mechanism, and the second motor 22 is according to receiving
The second tourelle of control 12 treat measuring car another driving wheel torque signal operation, and torque is passed through into transmission
Mechanism passes to the second tourelle 12.By adjusting the torque of output, chassis dynamometer 1 can be adjusted and treat survey vehicle traction
The resistance of wheel, the different road surfaces to simulating vehicle traveling or road conditions, such as：Upward slope, descending, rainy etc..Meanwhile controller 50
Tourelle 11 can also be controlled and about 12 (Z-directions shown in Fig. 1) are mobile, to which simulated roadway jolts.
When simulating vehicle straight-line travelling, the rotating speed of two driving wheels of vehicle to be measured is identical, then, chassis dynamometer 1
Rotating speed, the torque of tourelle 11,12 should also correspond to identical, when test, vehicle control device (VCU) 30 will motor 21 when driving
With 22 needed for rotating speed, torque signal export to controller 50, controller 50 receives control motor 21 after signal, 22 the output phases should turn
Speed, torque, rotating speed, torque are transferred to tourelle 11,12 by respective transmission mechanism, realize straight-line travelling mould respectively
It is quasi-.
When simulating vehicle turns to, the rotating speeds of two driving wheels of vehicle to be measured is different, VCU 30 can according to speed and
Steering angle calculates separately the rotating speed of two driving wheel of vehicle to be measured, and data is exported to controller 50, after 50 operation of controller,
It obtains corresponding data information, is respectively sent to first motor 21 and the second motor 22, then by transmission device, adjust separately first
The velocity of rotation of tourelle 11 and the second tourelle 12 and the torque to wheel, the speed discrepancy of two driving wheels when simulation turns to
And difference in torque, to realize the simulation of dynamometer machine in the Y direction.At the same time, the letter sent to controller 50 by VCU 30
Number, keep tourelle 11 and 12 left and right directions (X-direction shown in Fig. 1) mobile, to adjust spacing and carry out position correction,
The displacement occurred in X-direction when simulation turns to and stress variation.Equally, tourelle can also be adjusted simultaneously in Z-direction
Displacement, final to realize vehicle when turning to simulate different road surfaces or road conditions, X, Y, the speed in tri- directions Z, wheel steering angle,
The simulation of tractive force and lateral force, and the output of corresponding data is carried out in real time.
In electric-control system shown in Fig. 2, first motor 21 and the second motor 22 are in addition to the signal for receiving controller 50, also
The real-time rotating speed of reflection motor and/or the feedback signal of torque can be sent to controller 50, to form closed-loop control, to control
Device 50 processed is at any time adjusted motor 21 and 22.
According to another embodiment of the invention, a kind of intelligent automobile testing stand, including Chassis dynamometer above-mentioned are also provided
Machine.
According to an embodiment of the invention, in mechanical aspects, the present invention uses two load motors, drags belt or steel band etc.
Manufactured Athey wheel, the frrction load that simulating wheel occurs with ground.The load simulated friction in addition to that can move along a straight line
Load simulated outer, when can also carry out Vehicular turn, the frrction load of ground and tire is simulated.And in automatically controlled aspect, the present invention
By designed automatically controlled logic, carries out the riving condition of simulated roadway and the simulation of inertia occurs.In addition using responsible logic
The controller of operation carries out Comprehensive Control, travel situations of the simulation vehicle on road to whole system.It can be in conjunction with vehicle
Different running environments realize the simulation of straight-line travelling and steering.
The embodiment of the present invention is elaborated above in conjunction with attached drawing, but the use of technical solution of the present invention is not only
The various applications referred in this patent embodiment are confined to, various structures and modification can refer to technical solution of the present invention easily
Ground is implemented, to reach various advantageous effects mentioned in this article.Within the knowledge of a person skilled in the art,
The various change made without departing from the purpose of the present invention should all belong to patent covering scope of the present invention.
Claims (7)
1. a kind of chassis dynamometer, which is characterized in that including：Controller, first motor, the second motor, the first tourelle and
Second tourelle,
The controller is electrically connected with the VCU of vehicle to be measured, the first motor and second motor respectively, from the VCU
The rotary speed data of two driving wheels of vehicle to be measured is received, simulation trial is carried out, to the first motor and second motor
Respectively output control rotating speed signal and make the rotating speed of first tourelle and second tourelle respectively with it is to be measured
The rotating speed of two driving wheels of vehicle is consistent,
The first motor is run according to from the controller received signal, and rotating speed is passed to by transmission mechanism described
First tourelle, second motor is run according to from the controller received signal, and rotating speed is passed through transmission mechanism
Pass to second tourelle.
2. chassis dynamometer according to claim 1, which is characterized in that the controller is also according to institute road to be simulated
Condition exports to the first motor and second motor and controls the first tourelle respectively and the second tourelle is treated respectively
The signal of the torque of two driving wheels of measuring car, the first motor is according to the control received first tourelle pair
The signal of the torque of one driving wheel of vehicle to be measured is run, and torque is passed to described first by transmission mechanism and rolls dress
It sets, second motor treats the torque of another driving wheel of measuring car according to control second tourelle received
Signal operation, and torque is passed into second tourelle by transmission mechanism.
3. chassis dynamometer according to claim 1 or 2, which is characterized in that the first motor and second motor
In addition to the signal for receiving the controller, the real-time rotating speed of reflection motor and/or the feedback of torque are also sent to the controller
Signal.
4. chassis dynamometer according to claim 1, which is characterized in that first tourelle and described second rolls
Device can be respectively relative to left and right vehicle wheel movement to be measured.
5. chassis dynamometer according to claim 1, which is characterized in that first tourelle and described second rolls
Device can be respectively relative to vehicle to be measured and move up and down.
6. chassis dynamometer according to claim 1, which is characterized in that first tourelle and described second rolls
Device respectively includes two rollers and coats the crawler belt of described two rollers.
7. a kind of intelligent automobile testing stand, which is characterized in that include the Chassis dynamometer as described in any one of claim 1-6
Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810292747.7A CN108548677A (en) | 2018-04-04 | 2018-04-04 | Chassis dynamometer and intelligent automobile testing stand comprising chassis dynamometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810292747.7A CN108548677A (en) | 2018-04-04 | 2018-04-04 | Chassis dynamometer and intelligent automobile testing stand comprising chassis dynamometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108548677A true CN108548677A (en) | 2018-09-18 |
Family
ID=63514075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810292747.7A Pending CN108548677A (en) | 2018-04-04 | 2018-04-04 | Chassis dynamometer and intelligent automobile testing stand comprising chassis dynamometer |
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| CN (1) | CN108548677A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855887A (en) * | 2019-04-11 | 2019-06-07 | 苏州测迅智能汽车科技有限公司 | Flat rubber belting formula road simulator for automatic driving vehicle test |
| CN110806322A (en) * | 2019-12-12 | 2020-02-18 | 重庆凯瑞汽车试验设备开发有限公司 | Multi-motor mode chassis dynamometer |
| CN113252365A (en) * | 2021-06-16 | 2021-08-13 | 智己汽车科技有限公司 | Testing device and testing method for lane auxiliary system |
| CN115326428A (en) * | 2022-10-14 | 2022-11-11 | 江苏速豹动力科技有限公司 | Heavy truck chassis testing device |
| CN115468784A (en) * | 2022-11-14 | 2022-12-13 | 伙伴精密技术(江苏)有限公司 | Automobile chassis performance testing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855887A (en) * | 2019-04-11 | 2019-06-07 | 苏州测迅智能汽车科技有限公司 | Flat rubber belting formula road simulator for automatic driving vehicle test |
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| CN113252365A (en) * | 2021-06-16 | 2021-08-13 | 智己汽车科技有限公司 | Testing device and testing method for lane auxiliary system |
| CN113252365B (en) * | 2021-06-16 | 2024-03-19 | 智己汽车科技有限公司 | Testing device and testing method for lane auxiliary system |
| CN115326428A (en) * | 2022-10-14 | 2022-11-11 | 江苏速豹动力科技有限公司 | Heavy truck chassis testing device |
| CN115468784A (en) * | 2022-11-14 | 2022-12-13 | 伙伴精密技术(江苏)有限公司 | Automobile chassis performance testing device |
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Application publication date: 20180918 |