CN105157987B - A kind of electric vehicle continual mileage testboard - Google Patents
A kind of electric vehicle continual mileage testboard Download PDFInfo
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- CN105157987B CN105157987B CN201510507186.4A CN201510507186A CN105157987B CN 105157987 B CN105157987 B CN 105157987B CN 201510507186 A CN201510507186 A CN 201510507186A CN 105157987 B CN105157987 B CN 105157987B
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- Prior art keywords
- electric vehicle
- drive roll
- brake apparatus
- magnetic powder
- drive
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Abstract
The invention discloses a kind of electric vehicle continual mileage testboard, including pedestal, two drive rolls, two driven rollers and brake apparatus；Two drive rolls and two driven rollers are mounted on pedestal and can be rotated around respective axis.The spacing of two drive rolls, two groups of collocation formation corresponding with two driven rollers, every group of drive roll and driven roller can support the driving wheel of automobile to be measured.Wherein a drive roll is connect by transmission mechanism with brake apparatus, the brake apparatus connect to export the electric current for representing resistance torque size by controller to brake apparatus with controller, brake apparatus is made to export the resistance torques of needs to drive roll, resistance torque is for simulating running resistance of the electric vehicle in test pavement.This testboard can generally applicable various electric vehicle continual mileages test, and cost of equipment is low, high certainty of measurement.
Description
Technical field
The present invention relates to a kind of electric vehicle continual mileage testboards, are tested for electric vehicle continual mileage, Ke Yijing
Really test electric vehicle continual mileage.
Background technology
At present, pure electric automobile becomes exploitation hot spot, and major Automobile Enterprises are all researched and developed in input huge fund.Electric vehicle
Continual mileage parameter is critically important, directly affects the purchase selection of consumer, and electric vehicle production, R ＆ D Enterprises, which must have, gives birth to
Produce electricity electrical automobile continual mileage test capability.Continual mileage is tested at present uses chassis dynamometer more, and Chassis dynamometer machine equipment
Costliness, for general enterprises, buying expenses are too expensive, and burden is too heavy.
Electric vehicle directly influences remaining mileage computational accuracy, particularly in battery pack because its SOC algorithm is difficult to calculate accurately
When full electricity and fast complete electric discharge, error bigger.Manufacturing enterprise needs a kind of equipment can carry out electric vehicle in workshop
Whether continual mileage reaches the test of technology requirement, there is an urgent need to economic and practical electric vehicle continual mileage testboard for electricity
Electrical automobile detects.
Invention content
For deficiencies of the prior art, the purpose of the present invention is to provide a kind of surveys of electric vehicle continual mileage
Test stand, this testboard can generally applicable various electric vehicle continual mileages test, and cost of equipment is low, high certainty of measurement.
To achieve these goals, the technical solution adopted by the present invention is such：
A kind of electric vehicle continual mileage testboard, including pedestal, two drive rolls, two driven rollers and brake apparatus；
Two drive roll and two driven rollers are separately mounted on pedestal and can be rotated around respective axis, wherein two drive rolls
It is located along the same line and is connected by shaft coupling, two driven rollers are located along the same line and parallel with two drive rolls；Two
The spacing of drive roll two groups of collocation formation corresponding with two driven rollers, every group of drive roll and driven roller can support to be measured
The driving wheel of automobile is rotated with respectively driving the drive roll in two groups by two driving wheels of automobile to be measured with driven roller；Its
In a drive roll connect by transmission mechanism with brake apparatus, which connect to export generation by controller with controller
The electric current of table resistance torque size makes brake apparatus export the resistance torque of needs to drive roll, resistance power to brake apparatus
Square is used to simulate running resistance of the electric vehicle in test pavement.The brake apparatus is magnetic powder brake.
Two groups are equipped with support plate between drive roll and driven roller, support plate is mounted on the jacking apparatus under pedestal
On, jacking apparatus is used to that support plate to be jacked up or be put down, so that automobile driving wheel to be measured by support plate enters or exit master
It moves between roller and driven roller.
Radiator is equipped on magnetic powder brake, radiator includes radiator fan and air baffle, radiator fan
On magnetic powder brake axis and towards fuselage direction；Air baffle is arc shape, and magnetic powder brake is located at arc concave shape
In chamber.
The pedestal is the frame structure being made of two parallel crossbeams and four parallel longerons, and four longeron both ends are pacified respectively
So that longeron and beam vertical, wherein two longeron of the left side and two longeron of the right respectively form one group of totally two longeron on two crossbeams
Group, two groups of drive rolls and driven roller correspond in the two longerons group and parallel with crossbeam.
The transmission mechanism is belt transmission, and small belt pulley is equipped in the drive roll end being connect with brake apparatus,
Big belt pulley is installed, small belt pulley is connect by belt with big belt pulley, and big belt pulley drives magnetic powder on magnetic powder brake axis
Brake rotates.
During measurement, this testboard on running car to be tested is first allowed, and driving wheel is made to fall in drive roll and driven roller
Between；Then start automobile, driving wheel drives main driven roller rotation, and drive roll drives brake apparatus to turn by transmission mechanism
Dynamic, brake apparatus is used for resistance of the simulated automotive in road traveling by changing size of current to export different resistance torques,
With the mechanical energy of radiating mode consumption automobile output, tested so as to fulfill continual mileage.
The present invention has compared to existing chassis dynamometer manufactures at low cost, high certainty of measurement, and system is easy to maintain etc. excellent
Point.
This testboard can accurately detect electric vehicle continual mileage, and cost of equipment is very low, be particularly suitable for middle-size and small-size electronic
Automobile production enterprise, electric vehicle maintenance company use.
Description of the drawings
Fig. 1-vertical view of the present invention.
Fig. 2-Figure 1A-A are to sectional view.
Fig. 3-Fig. 1 side views.
Fig. 4-Pneumatic circuit of the present invention.
Fig. 5-test schematic diagram of the present invention.
Fig. 6-electric vehicle of the present invention road spectrogram.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Referring to Fig. 1-Fig. 3, electric vehicle continual mileage testboard of the present invention is can be seen that from figure, including pedestal 1, two
Drive roll 2, two driven rollers 3 and brake apparatus 4；Two drive rolls, 2 and two driven roller 3 is separately mounted to pedestal 1
It can rotate above and around respective axis, be connected wherein two drive rolls 2 are located along the same line and pass through shaft coupling 5, two is driven
Roller 3 is located along the same line and parallel with two drive rolls 2.Two drive rolls 2 form two with two driven rollers, 3 corresponding collocation
The spacing of group, every group of drive roll 2 and driven roller 3 can support the driving wheel of automobile to be measured, with by two drives of automobile to be measured
The drive roll that driving wheel is respectively driven in two groups is rotated with driven roller；A wherein drive roll 2 passes through transmission mechanism 6 and braking
Device 4 connects, which connect with controller represents the electric current of resistance torque size and filled to braking to be exported by controller
4 are put, brake apparatus 4 is made to export the resistance torques of needs to drive roll 2, resistance torque is for simulating electric vehicle on test road
Running resistance on face.The brake apparatus is magnetic powder brake.
During measurement, this testboard on running car to be tested is first allowed, and driving wheel is made to fall in drive roll and driven roller
Between；Then start automobile, driving wheel drives main driven roller rotation, and drive roll drives magnetic powder brake by transmission mechanism
Rotation, magnetic powder brake generate resistance torque, and magnetic powder brake is used by changing size of current with exporting different resistance torques
In simulated automotive road traveling resistance, with radiating mode consumption automobile output mechanical energy, so as to fulfill continual mileage survey
Examination.
Since roller is rotatable, automobile easily skids when passing in and out testboard, thus in two groups of drive rolls 2 and driven rolling
Support plate 7 is equipped between cylinder 3, support plate 7 is mounted on the jacking apparatus 8 under pedestal, and jacking apparatus 8 is used for support plate
7 jack up or put down, so that automobile driving wheel to be measured is entered by support plate or is exited between drive roll and driven roller.When
Automobile will enter testboard when, jacking apparatus by support plate jack to roller height substantially flush position, vehicle can be direct
It is driven into, driving wheel is made to be contacted with drive roll and driven roller.During test, then support plate put down.It is completed, automobile
When leaving, then by support plate go up come, automobile can directly drive and leave.Practical jacking apparatus 8 be air bag, air bag two
A, support plate 7 is mounted on air bag, is respectively used to the jacking of two support plates, and airbag aeration support plate jacks.To realize two gas
The synchronization of capsule after air source is by filtering pressure reducing valve 9, then is connect with reversing solenoid valve 10, and the output of reversing solenoid valve 10 passes through two-way
Pipeline connects two air bags respectively, and pneumatic circuit is specifically shown in Fig. 4.
Because magnetic powder brake is the mechanical energy that automobile driving wheel rotation output is consumed by fever, therefore calorific value is very big,
Radiator is devised for this this testboard, to reach system heat balance, fever is made to distribute as early as possible.Radiator includes radiation air
Fan 11 and air baffle 12, radiator fan 11 are mounted on magnetic powder brake axis and towards fuselage directions；Air baffle 12
For arc shape, magnetic powder brake is located in air baffle arc concave shape chamber.
The pedestal is the frame structure being made of two parallel crossbeams and four parallel longerons, and four longeron both ends are pacified respectively
So that longeron and beam vertical, wherein two longeron of the left side and two longeron of the right respectively form one group of totally two longeron on two crossbeams
Group, two groups of drive rolls and driven roller correspond in the two longerons group and parallel with crossbeam.
The transmission mechanism 6 is belt transmission, and small belt pulley is equipped in the drive roll end being connect with brake apparatus,
Big belt pulley is installed, small belt pulley is connect by belt with big belt pulley, and big belt pulley drives magnetic powder on magnetic powder brake axis
Brake rotates.
This electric vehicle continual mileage testboard can carry out any model electric vehicle continual mileage experiment.Specific test
Method is as follows.
1st, support plate is jacked in place by jacking apparatus, it is substantially equal with drive roll and driven roller highest point.
2nd, vehicle that needs to be tested is driven into testboard, make driving wheel just fall drive roll and driven roller it
Between.
3rd, air bag loses heart, and support plate declines, and driving wheel is completely by two cylinder supports, as shown in Figure 5.
4th, start automobile, the rotation of electric vehicle driving wheel drives drive roll and driven roller rotation, and drive roll will revolve
Torque is transmitted to the small belt pulley mounted on drive roll end, and small belt pulley drives big belt pulley, big belt pulley by belt
Magnetic powder brake is driven to rotate again, magnetic powder brake damping torque blocking vehicle rotation, so as to consume work(.
5th, it when electric vehicle electricity, which exhausts, not to rerun, is completed, the mileage of this process of record automobile instrument, as
Test electric vehicle continual mileage under initial quantity of electricity state.
6th, support plate is jacked in place finally by jacking apparatus, automobile is sailed out of into this testboard.
Controller can control magnetic powder brake resistive torque, and resistive torque size is to input magnetic powder brake by control
What size of current was controlled, the big resistance of electric current is big, and electric current slight drag is small.Controller is an intelligent controller, controller according to
The typical road spectrum control output current size that experiment is collected so that be added to resistance on roller very close to the rolling resistance of practical road surface with
Windage, and the matched resistance of output can be controlled in real time.
During concrete operations, the electric vehicle typical road power road spectrum obtained by real road experiment is passed through into computer
The resistance torque that magnetic powder brake is applied to roller is converted thereof into, controller is obtained by calculation and exports different electric currents in real time
The braking moment of magnetic powder brake is controlled, allows for the resistance of experiment electric vehicle in this way close to the situation of real roads.Fig. 6
For the electric vehicle road spectrogram actually collected.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail in good embodiment, it will be understood by those of ordinary skill in the art that, it can be to the skill of the present invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the right of invention.
Claims (4)
1. a kind of electric vehicle continual mileage testboard, it is characterised in that：Including pedestal, two drive rolls, two driven rollers and
Brake apparatus；Two drive roll and two driven rollers are separately mounted on pedestal and can be rotated around respective axis, wherein
Two drive rolls are located along the same line and are connected by shaft coupling, and two driven rollers are located along the same line and are actively rolled with two
Cylinder is parallel；The spacing energy of two drive rolls, two groups of collocation formation corresponding with two driven rollers, every group of drive roll and driven roller
The driving wheel of automobile to be measured is enough supported, to respectively drive the drive roll in two groups and driven rolling by two driving wheels of automobile to be measured
Cylinder rotation；Wherein a drive roll is connect by transmission mechanism with brake apparatus, which connect with controller with by controlling
Device processed exports the electric current for representing resistance torque size to brake apparatus, and brake apparatus is made to export the resistance torque of needs to actively rolling
Cylinder, resistance torque are used to simulate running resistance of the electric vehicle in test pavement；
The brake apparatus is magnetic powder brake；
Radiator is equipped on magnetic powder brake, radiator includes radiator fan and air baffle, radiator fan installation
On magnetic powder brake axis and towards fuselage direction；Air baffle is arc shape, and magnetic powder brake is located in arc concave shape chamber.
2. electric vehicle continual mileage testboard according to claim 1, it is characterised in that：Two groups of drive rolls with it is driven
Support plate is equipped between roller, support plate is mounted on the jacking apparatus under pedestal, and jacking apparatus is used for support plate top
It rises or puts down, so that automobile driving wheel to be measured is entered by support plate or is exited between drive roll and driven roller.
3. electric vehicle continual mileage testboard according to claim 1, it is characterised in that：The pedestal is parallel by two
Crossbeam and the frame structure that forms of four parallel longerons, four longeron both ends are separately mounted on two crossbeams so that longeron and crossbeam
Vertically, wherein two longeron of the left side and two longeron of the right respectively form one group of totally two longeron group, two groups of drive rolls and driven roller pair
It should be mounted in the two longerons group and parallel with crossbeam.
4. electric vehicle continual mileage testboard according to claim 1, it is characterised in that：The transmission mechanism is belt
Transmission is equipped with small belt pulley in the drive roll end being connect with brake apparatus, big belt is equipped on magnetic powder brake axis
Wheel, small belt pulley are connect by belt with big belt pulley, and big belt pulley drives magnetic powder brake rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510507186.4A CN105157987B (en) | 2015-08-17 | 2015-08-17 | A kind of electric vehicle continual mileage testboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510507186.4A CN105157987B (en) | 2015-08-17 | 2015-08-17 | A kind of electric vehicle continual mileage testboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105157987A CN105157987A (en) | 2015-12-16 |
| CN105157987B true CN105157987B (en) | 2018-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510507186.4A Expired - Fee Related CN105157987B (en) | 2015-08-17 | 2015-08-17 | A kind of electric vehicle continual mileage testboard |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784229B (en) * | 2016-05-07 | 2018-06-01 | 吴明 | Balance loaded type heavy vehicle chassis dynamometer |
| CN106198044B (en) * | 2016-06-27 | 2019-01-01 | 北京新能源汽车股份有限公司 | Electric automobile endurance mileage testing method and device |
| CN105890914B (en) * | 2016-06-27 | 2019-06-04 | 北京新能源汽车股份有限公司 | Electric automobile endurance mileage testing method and device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3407434B2 (en) * | 1994-11-16 | 2003-05-19 | 日産自動車株式会社 | Inspection device for electric vehicle and inspection method for electric vehicle |
| JP3674187B2 (en) * | 1996-10-17 | 2005-07-20 | 日産自動車株式会社 | Electric vehicle inspection method and inspection apparatus |
| CN2281531Y (en) * | 1996-11-26 | 1998-05-13 | 田作友 | Power determiner for vehicle chassis |
| CN2718555Y (en) * | 2004-04-08 | 2005-08-17 | 杭州申昊信息科技有限公司 | Electric bicycle analog detector |
| CN2876743Y (en) * | 2005-12-02 | 2007-03-07 | 吴奇克 | Stepless regulating flywheel inertia power meter for automobile chassis |
| CN101183046B (en) * | 2007-11-16 | 2012-10-17 | 长安大学 | Indoor vehicle ABS test-bed with variable adhesion coefficient |
| CN204882089U (en) * | 2015-08-17 | 2015-12-16 | 力帆实业(集团)股份有限公司 | Continuous mileage testboard of sailing of electric automobile |
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