CN102539157A - Experimental facility of power system of distance-increasing electric vehicle and method - Google Patents
Experimental facility of power system of distance-increasing electric vehicle and method Download PDFInfo
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- CN102539157A CN102539157A CN201110448031XA CN201110448031A CN102539157A CN 102539157 A CN102539157 A CN 102539157A CN 201110448031X A CN201110448031X A CN 201110448031XA CN 201110448031 A CN201110448031 A CN 201110448031A CN 102539157 A CN102539157 A CN 102539157A
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Abstract
An experimental facility of a power system of a distance-increasing electric vehicle and a method belong to the field of design calculation of electric vehicles and traditional vehicles. A selected distance-increasing power source (1), a motor (2), a torque meter (3), a generator (4), an adjustable load (5) and a power meter (6) are sequentially mounted; experiments are adjusted by the aid of the experimental facility of the power system of the distance-increasing electric vehicle and the method, and the distance-increasing power source, the motor, the torque meter and the generator totally work in the best state and realize the highest efficiency; simultaneously, before the selected motor, an electric controller and a battery are mounted into the vehicle, performance matching experiments of the selected motor, the electric controller and the battery are carried out, the selected motor, the electric controller and the battery are then mounted on the vehicle after design requirements are met, and rework due to replacement of components is reduced.
Description
Technical field
The present invention relates to stroke-increasing electric automobile power system experimental provision and method, belong to electric automobile and traditional Automobile Design computing field; Through the effect of central control system, make extended-range power source, motor, torque gauge, whole generator be operated in a kind of optimum condition, thereby obtain top efficiency.
Background technology
Each automobile engineer knows that promptly using is to have produced ten hundreds of internal combustion engines, before the car load of packing into, also needs cold breaking in and does dynamic property platform experiments such as output power, parametric line, and affirmation could entrucking after reaching the requirement of car load power.Electric Vehicle needs such process equally, and only the internal combustion engine bench test platform grows on trees, and the electric automobile test-bed does not have regular product.According to above-mentioned requirements, we become the various moment of resistance parameters in the electric automobile actual motion into the simulation electric weight, import this systems test bed; Press the testing table experiment conclusion; Instruct our sample car to install and short run trial-production, all obtained effect preferably, the Performance Match and the energy conversion of its core component (motor, automatically controlled, battery) all reach optimum condition; Guarantee the car load security, the designing requirement of power performance.
At present most enterprises that participate in all kinds of electric automobiles of development in the selection of used motor, automatically controlled, battery parameter to automobile, generally all are by under the predetermined transport condition of automobile; Calculate the moment of at the uniform velocity going, the acceleration moment of resistance, ramp running resistance square; The moment of wind resistance sum; And needed max. speed, maximum continual mileage confirm the power of motor, and rotating speed, peak torque, battery voltage, gross energy kilowatt hour parameters such as (KW.h) are ordered each parts by parameter then.
Above-mentioned designing and calculating; For conventional vehicle, or the example vehicle of listing the design study course in is feasible, but for the electric automobile that still is in the budding period; Many Determination of Parameters are arranged; Not saying on the existing teaching material does not have, even many authoritative scientific research departments and well-known scholar do not have ripe design considerations.Therefore the electric automobile that comes out of simple designs as stated above; Often there is a big difference with the design anticipation; And this gap must just have conclusion when the completion car load is installed into the walking along the street examination; But at this moment many parts from arrange to install, the position confirms, annex is made several aspects all to be had and fixes, if adjustment or change will be paid the energy that gets half the result with twice the effort.
Summary of the invention
The object of the present invention is to provide a kind of stroke-increasing electric automobile power system experimental provision and method; Effect through extended-range power source control system; Make extended-range power source, motor, torque gauge, whole generator be operated in a kind of optimum condition, thereby obtain top efficiency.
Technical scheme of the present invention: stroke-increasing electric automobile power system experimental provision according to the invention is extended-range power source, motor, torque gauge, generator, tunable load, the power meter selected for use to be docile and obedient the preface installation get final product; It is characterized in that the extended-range power source makes motor pass through torque gauge and drives generator, the electric power of generator output becomes thermal energy consumption by tunable load and falls; The size of tunable load consumed power is directly proportional with the torque of motor reel output, is directly proportional with the power of extended-range power source output.
Experimental technique:
1) start the extended-range power source, make motor pass through torque gauge and drive generator, the electric power of generator output becomes thermal energy consumption by tunable load, and is presented on the power meter;
2) the necessary torque value under following running status and travelling speed and the sustainable distance travelled that provide according to the electric automobile designing and calculating:
Being set in straight road surface at the uniform velocity goes and is Mf; Resistance when wind is arranged is Mw; The gradient resistance that climbing is is Mi; Acceleration resistance during acceleration is Mj;
Through the size of adjustment tunable load, make the torque gauge steady display go out the value of above-mentioned Mf, Mw, Mi, Mj, this moment, power meter demonstrated the performance number of motor output, and this performance number comprises rotating speed, moment of torsion, voltage, current value parameter.
3) if the extended-range power source of motor can satisfy above-mentioned Mf, Mw, Mi, four kinds of torque values of Mj occur respectively or arbitrarily several setting requirement when occurring simultaneously; Then can above-mentioned motor and extended-range power source product be installed on the selected car; Satisfy the power performance requirement of design calculation surely with regard to one to this car; Otherwise will readjust the extended-range power source or the parameter of electric machine, repeat above-mentioned experiment, till satisfaction.
Beneficial effect of the present invention:, can make extended-range power source, motor, torque gauge, whole generator be operated in a kind of optimum condition, obtain top efficiency through stroke-increasing electric automobile power system experimental provision according to the invention and method adjustment experiment; Simultaneously before the vehicle of packing into, earlier will selected motor, automatically controlled, battery carries out performance matching test, wait to reach to move again after the designing requirement and install on the vehicle, reduce parts and changed doing over again of bringing.
Description of drawings
Shown in the accompanying drawing stroke-increasing electric automobile power system experimental provision according to the invention and method principle schematic.1 is that extended-range power source, 2 is that motor, 3 is that torque gauge, 4 is that generator, 5 is that tunable load, 6 is power meter among the figure; Arrow points is the direction of transfer of torsional moment.
Embodiment
As shown in the figure: stroke-increasing electric automobile power system experimental provision according to the invention is the extended-range power source of selecting for use 1, motor 2, torque gauge 3, generator 4, tunable load 5, power meter 6 to be docile and obedient the preface installation get final product; It is characterized in that extended-range power source 1 makes motor 2 drive generator 4 through torque gauge 3, the electric power of generator 4 outputs becomes thermal energy consumption by tunable load 5 and falls; The size of tunable load 5 consumed powers is directly proportional with the torque of motor reel output, is directly proportional with the power of extended-range power source 1 output.
Its experimental technique is following step:
Step 1) start extended-range power source 1, make motor 2 drive generator 4 through torque gauge 3, the electric power of generator 4 outputs becomes thermal energy consumption by tunable load 5, and is presented on the power meter 6, draws the electric automobile design calculation result;
Step 2) according to step 1 draw that the electric automobile design calculation result provides under following running status, necessary torque value and travelling speed and sustainable distance travelled:
Being set in straight road surface at the uniform velocity goes and is Mf; Resistance when wind is arranged is Mw; The gradient resistance that climbing is is Mi; Acceleration resistance during acceleration is Mj;
Through the size of adjustment tunable load 5, make torque gauge 3 respectively steady display go out the value of Mf, Mw, Mi, Mj, this moment, power meter 6 demonstrated the performance number of motor 2 outputs, this performance number comprises rotating speed, moment of torsion, voltage, current value parameter;
Step 3) if motor 2 can satisfy above-mentioned Mf, Mw, Mi with extended-range power source 1, four kinds of torque values of Mj occur respectively or several arbitrarily setting requirement when occurring simultaneously; Then can above-mentioned motor 2 be installed on the selected car with extended-range power source product; Satisfy the power performance requirement of design calculation surely with regard to one to this car; Otherwise will readjust the extended-range power source or the parameter of electric machine, repeat above-mentioned experiment, till satisfaction.
Claims (2)
1. a stroke-increasing electric automobile power system experimental provision is characterized in that, is the extended-range power source of selecting for use (1), motor (2), torque gauge (3), generator (4), tunable load (5), power meter (6) to be docile and obedient preface install;
Extended-range power source (1) makes motor (2) drive generator (4) through torque gauge (3), and the electric power of generator (4) output becomes thermal energy consumption by tunable load (5) and falls; The size of tunable load (5) consumed power is directly proportional with the torque of motor reel output, is directly proportional with the power of extended-range power source (1) output.
2. according to the said stroke-increasing electric automobile power system of claim 1 experimental provision, it is characterized in that its experimental technique is following step:
Step 1) start extended-range power source (1), make motor (2) drive generator (4) through torque gauge (3), the electric power of generator (4) output becomes thermal energy consumption by tunable load (5), and is presented on the power meter (6), draws the electric automobile design calculation result;
Step 2) the electric automobile design calculation result that draws according to step 1 provide under following running status, necessary torque value and travelling speed and sustainable distance travelled:
Being set in straight road surface at the uniform velocity goes and is Mf; Resistance when wind is arranged is Mw; The gradient resistance that climbing is is Mi; Acceleration resistance during acceleration is Mj;
Through the size of adjustment tunable load (5), make torque gauge (3) respectively steady display go out the value of Mf, Mw, Mi, Mj, power meter this moment (6) demonstrates the performance number of motor (2) output, this performance number comprises rotating speed, moment of torsion, voltage, current value parameter;
Step 3) if motor (2) and extended-range power source (1) can satisfy above-mentioned Mf, Mw, Mi, four kinds of torque values of Mj occur respectively or arbitrarily several setting requirement when occurring simultaneously; Then can above-mentioned motor (2) and extended-range power source product be installed on the selected car; Satisfy the power performance requirement of design calculation surely with regard to one to this car; Otherwise will readjust the extended-range power source or the parameter of electric machine, repeat above-mentioned experiment, till satisfaction.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103424267A (en) * | 2013-08-23 | 2013-12-04 | 重庆长安汽车股份有限公司 | Model identification experimental system of range extender and method for acquiring parameters of range extender |
| CN104236916A (en) * | 2014-09-22 | 2014-12-24 | 长沙研创电气有限公司 | Load test system of generator for engine |
| CN106153354A (en) * | 2016-08-12 | 2016-11-23 | 深圳协德科技有限公司 | A kind of electric automobile energy feedback detection method and system |
| CN107588964A (en) * | 2017-07-24 | 2018-01-16 | 芜湖赛宝信息产业技术研究院有限公司 | A kind of test method of new-energy automobile highest working speed |
| CN109410366A (en) * | 2018-09-14 | 2019-03-01 | 武汉科技大学 | A kind of stroke-increasing electric automobile prognostic and health management platform |
| CN114459673A (en) * | 2020-11-09 | 2022-05-10 | 中国船舶重工集团公司第七一一研究所 | Shafting torque measuring device verification platform and method |
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| CN201653695U (en) * | 2010-03-26 | 2010-11-24 | 三一重型装备有限公司 | Engine power matching test device |
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| EP1609957A2 (en) * | 2004-06-21 | 2005-12-28 | Hamilton Sundstrand Corporation | Gas turbine engine start system with inspection mode |
| CN101000281A (en) * | 2006-12-28 | 2007-07-18 | 奇瑞汽车有限公司 | Bench test device for power assembly of mixed power electric vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103424267A (en) * | 2013-08-23 | 2013-12-04 | 重庆长安汽车股份有限公司 | Model identification experimental system of range extender and method for acquiring parameters of range extender |
| CN103424267B (en) * | 2013-08-23 | 2017-05-24 | 重庆长安汽车股份有限公司 | Model identification experimental system of range extender and method for acquiring parameters of range extender |
| CN104236916A (en) * | 2014-09-22 | 2014-12-24 | 长沙研创电气有限公司 | Load test system of generator for engine |
| CN106153354A (en) * | 2016-08-12 | 2016-11-23 | 深圳协德科技有限公司 | A kind of electric automobile energy feedback detection method and system |
| CN107588964A (en) * | 2017-07-24 | 2018-01-16 | 芜湖赛宝信息产业技术研究院有限公司 | A kind of test method of new-energy automobile highest working speed |
| CN109410366A (en) * | 2018-09-14 | 2019-03-01 | 武汉科技大学 | A kind of stroke-increasing electric automobile prognostic and health management platform |
| CN114459673A (en) * | 2020-11-09 | 2022-05-10 | 中国船舶重工集团公司第七一一研究所 | Shafting torque measuring device verification platform and method |
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Application publication date: 20120704 |