CN103439599A - Electric vehicle real-time measurement system - Google Patents
Electric vehicle real-time measurement system Download PDFInfo
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- CN103439599A CN103439599A CN2013103425776A CN201310342577A CN103439599A CN 103439599 A CN103439599 A CN 103439599A CN 2013103425776 A CN2013103425776 A CN 2013103425776A CN 201310342577 A CN201310342577 A CN 201310342577A CN 103439599 A CN103439599 A CN 103439599A
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Abstract
The invention relates to an electric vehicle real-time measurement system which comprises a PC, a whole vehicle controller, a power battery, a first inverter, a second inverter, a motor, an electric auxiliary motor system and a power analyzer. The PC is connected with the input end of the whole vehicle controller, and the whole vehicle controller is connected with the first inverter and the second inverter. The output end of the first inverter is connected with the motor through the power analyzer, the output end of the second inverter is connected with the motor and the electric auxiliary motor system through the power analyzer, and the input end of the first inverter and the input end of the second inverter are connected with the power battery through the power analyzer. According to the system, real-time data of the electric vehicle motor, the inverters, the battery, the electric auxiliary motor system and the like are collected in a systematized mode, calculated efficiency values are more accurate, meanwhile, the system is simple in measurement process and convenient to use, not only is testing efficiency improved, but also labor consumption and financial consumption are saved.
Description
Technical field
The present invention relates to a kind of measuring system, particularly a kind of electric motor car real-time measurement system.
Background technology
The common problem that adopts following two kinds of modes to solve the electric automobile efficiency measurement of prior art, the one, by several system or equipment Integrated usings, electric automobile is carried out to efficiency measurement; The 2nd, utilize platform system, according to PC Zhong road spectrum information, utilize dynamometer machine simulation car load running status to carry out efficiency measurement to electric automobile.Adopt first kind of way to carry out efficiency measurement to electric automobile, surveying work is complicated, heavy, has greatly affected work efficiency, has increased work difficulty; And adopt the second way to carry out efficiency measurement to electric automobile, although can calculate continuously in the electric automobile operational process the efficiency under real-time road a little, but, because in simulation process, error is larger, analog result is compared the larger gap of existence, measuring accuracy deficiency with the efficiency that real vehicle is measured.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of electric motor car real-time measurement system, solves prior art and measures difficulty greatly and the problem of measurement result precision deficiency.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of electric motor car real-time measurement system, comprise PC, entire car controller, electrokinetic cell, the first inverter, the second inverter, motor, electric auxiliary machinery system and power analyzer, storage collection of illustrative plates information in the storer of described PC, described PC is connected with the input end of described entire car controller, described entire car controller is connected with the second inverter with the first inverter respectively, the output terminal of described the first inverter is connected with described motor by power analyzer, the output terminal of the second inverter is connected with described motor powered auxiliary system by power analyzer, described the first inverter, the input end of the second inverter is connected with described electrokinetic cell by power analyzer.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described PC transmits data by the CAN bus to described entire car controller, the first inverter, the second inverter.
Further, described electrokinetic cell is connected by single-phase with described power analyzer, and described power analyzer catches electric current and the instantaneous voltage of described electrokinetic cell with the high-speed sampling rate, and assesses the charging and discharging characteristic of described electrokinetic cell.
Further, described motor, the first inverter, power analyzer be being connected by phase three-wire three respectively, described power analyzer is applied real-time voltage, the current value that two passages gather described motor and the first inverter, and calculates active power, frequency and/or the total efficiency of described motor and the first inverter.
Further, described electric auxiliary machinery system, the second inverter, power analyzer are connected by phase three-wire three respectively, described power measuring is applied real-time voltage and the current value that six passages gather described electric auxiliary machinery system, the second inverter, and calculates voltage, electric current, active power, reactive power, applied power, power factor, crest voltage, peak point current, electric voltage frequency and/or the power frequency of described electric auxiliary machinery system and the second inverter.
Further, also comprise dynamometer machine and torque sensor, described motor is connected with described dynamometer machine, and described torque sensor is transferred to described power analyzer by the tach signal of described motor and torque signal, and described power analyzer is measured the mechanical output of electric automobile in real time.
Further, described electric auxiliary machinery system comprises electric hydraulic pump, electric air-conditioning and/or electric air compressor.
The invention has the beneficial effects as follows: the present invention is directed to the economy of electric automobile efficiency test and ageing, systematically the real time datas in the electric automobile operational process such as motor in electric automobile, inverter, battery and electric auxiliary machinery system are gathered, realized the synchronism of measuring technology, the real-time of data acquisition, the efficiency value calculated is more accurate; And measuring process of the present invention is simple and convenient, has not only improved testing efficiency, and saved manpower financial capacity's consumption.
The accompanying drawing explanation
The connection diagram that Fig. 1 is a kind of electric motor car real-time measurement system of the present invention.
Embodiment
Below in conjunction with accompanying drawing, principle of the present invention and feature are described, example, only for explaining the present invention, is not intended to limit scope of the present invention.
Be illustrated in figure 1 the electric motor car real-time measurement system of the present embodiment, comprise PC 01, entire car controller 02, electrokinetic cell 03, the first inverter 04, the second inverter 06, motor 05, power analyzer 07 and electric auxiliary machinery system 13, the electric auxiliary machinery system 13 of the present embodiment comprises electric hydraulic pump 08, electric air-conditioning 10 and electric air compressor 09; Storage collection of illustrative plates information in the storer of described PC 01, described inverter is for being converted into alternating current by direct current; Described PC 01 is connected with the input end of described entire car controller 02, described entire car controller 02 is connected with the second inverter 06 with the first inverter 04 respectively, the output terminal of described the first inverter 04 is connected with described motor 05 by power analyzer 07, the output terminal of the second inverter 06 is connected with described motor powered auxiliary system 13 by power analyzer 07, and the input end of described the first inverter 04, the second inverter 06 is connected with described electrokinetic cell 03 by power analyzer 07.
Preferably, the described PC 01 of the present embodiment transmits data by the CAN bus to described entire car controller 02, the first inverter 04, the second inverter 06.
In the present embodiment, described electrokinetic cell 03 is connected by single-phase with described power analyzer 07, described power analyzer 07 catches electric current and the instantaneous voltage of described electrokinetic cell 03 with the high-speed sampling rate, and assesses the charging and discharging characteristic of described electrokinetic cell 03.
In the present embodiment, described motor 05, the first inverter 04, power analyzer 07 be being connected by phase three-wire three respectively, described power analyzer 07 application two passages gather real-time voltage, the current value of described motor 05 and the first inverter 04, and calculate active power, frequency and/or the total efficiency of described motor 05 and the first inverter 04.
In the present embodiment, described electric auxiliary machinery system 13, the second inverter 06, power analyzer 07 are connected by phase three-wire three respectively, described power measuring 07 application six passages gather real-time voltage and the current value of described electric auxiliary machinery system 13, the second inverter 06, and calculate voltage, electric current, active power, reactive power, applied power, power factor, crest voltage, peak point current, electric voltage frequency and/or the power frequency of described electric auxiliary machinery system 13 and the second inverter 06.
The present embodiment also comprises dynamometer machine 11 and torque sensor 12, described motor 05 is connected with described dynamometer machine 11, described torque sensor 12 is transferred to described power analyzer 07 by the tach signal of described motor and torque signal, and described power analyzer 07 is measured the mechanical output of electric automobile in real time.
Power analyzer of the present invention is measured passage by multimode and for receiving the process signal interface of moment of torsion and tach signal, all data of synchronous acquisition accurately, determine each component efficiencies of electric automobile and total efficiency for high precision, finally by the power flow under the analysis specific operation, carry out the energy management of optimization electric automobile.
The present invention is directed to the economy of electric automobile efficiency test and ageing, systematically the real time datas in the electric automobile operational process such as motor in electric automobile, inverter, battery and electric auxiliary machinery system are gathered, realized the synchronism of measuring technology, the real-time of data acquisition, the efficiency value calculated is more accurate; And measuring process of the present invention is simple and convenient, has not only improved testing efficiency, and saved manpower financial capacity's consumption.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (7)
1. an electric motor car real-time measurement system, it is characterized in that: comprise PC, entire car controller, electrokinetic cell, the first inverter, the second inverter, motor, electric auxiliary machinery system and power analyzer, storage collection of illustrative plates information in the storer of described PC, described PC is connected with the input end of described entire car controller, described entire car controller is connected with the second inverter with the first inverter respectively, the output terminal of described the first inverter is connected with described motor by power analyzer, the output terminal of the second inverter is connected with described motor powered auxiliary system by power analyzer, described the first inverter, the input end of the second inverter is connected with described electrokinetic cell by power analyzer.
2. electric motor car real-time measurement system according to claim 1 is characterized in that: described PC transmits data by the CAN bus to described entire car controller, the first inverter, the second inverter.
3. electric motor car real-time measurement system according to claim 1, it is characterized in that: described electrokinetic cell is connected by single-phase with described power analyzer, described power analyzer catches electric current and the instantaneous voltage of described electrokinetic cell with the high-speed sampling rate, and assesses the charging and discharging characteristic of described electrokinetic cell.
4. electric motor car real-time measurement system according to claim 1, it is characterized in that: described motor, the first inverter, power analyzer be being connected by phase three-wire three respectively, described power analyzer is applied real-time voltage, the current value that two passages gather described motor and the first inverter, and calculates active power, frequency and/or the total efficiency of described motor and the first inverter.
5. electric motor car real-time measurement system according to claim 1, it is characterized in that: described electric auxiliary machinery system, the second inverter, power analyzer are connected by phase three-wire three respectively, described power measuring is applied real-time voltage and the current value that six passages gather described electric auxiliary machinery system, the second inverter, and calculates voltage, electric current, active power, reactive power, applied power, power factor, crest voltage, peak point current, electric voltage frequency and/or the power frequency of described electric auxiliary machinery system and the second inverter.
6. electric motor car real-time measurement system according to claim 1, it is characterized in that: also comprise dynamometer machine and torque sensor, described motor is connected with described dynamometer machine, described torque sensor is transferred to described power analyzer by the tach signal of described motor and torque signal, and described power analyzer is measured the mechanical output of electric automobile in real time.
7. according to the described electric motor car real-time measurement system of claim 1～6, it is characterized in that: described electric auxiliary machinery system comprises electric hydraulic pump, electric air-conditioning and/or electric air compressor.
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| CN2013103425776A CN103439599A (en) | 2013-08-07 | 2013-08-07 | Electric vehicle real-time measurement system |
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| CN2013103425776A CN103439599A (en) | 2013-08-07 | 2013-08-07 | Electric vehicle real-time measurement system |
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Cited By (8)
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| CN105890908A (en) * | 2016-04-11 | 2016-08-24 | 北京新能源汽车股份有限公司 | System and method of analyzing energy consumption of electric vehicle |
| CN106441925A (en) * | 2016-08-05 | 2017-02-22 | 山东沃森电源设备有限公司 | Test device of power system of electric vehicle |
| CN106526351A (en) * | 2016-09-29 | 2017-03-22 | 肇庆学院 | Regenerative auxiliary power test bench for hybrid power special-purpose vehicle and test method thereof |
| CN107515123A (en) * | 2017-09-30 | 2017-12-26 | 南京越博动力系统股份有限公司 | A kind of pure electric automobile road test energy consumption measurement system and its analysis method |
| CN107966666A (en) * | 2017-10-30 | 2018-04-27 | 华南理工大学 | Power battery energy expenditure detecting system in a kind of electric automobile operational process |
| CN109507603A (en) * | 2018-12-11 | 2019-03-22 | 潍柴动力股份有限公司 | A kind of power battery external characteristics test method and system |
| CN111397917A (en) * | 2020-04-13 | 2020-07-10 | 肇庆小鹏汽车有限公司 | Electric automobile inverter performance testing method |
| CN112524014A (en) * | 2020-11-04 | 2021-03-19 | 衢州市质量技术监督检测中心 | Frequency conversion air compressor detecting system |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890908A (en) * | 2016-04-11 | 2016-08-24 | 北京新能源汽车股份有限公司 | System and method of analyzing energy consumption of electric vehicle |
| CN106441925A (en) * | 2016-08-05 | 2017-02-22 | 山东沃森电源设备有限公司 | Test device of power system of electric vehicle |
| CN106526351A (en) * | 2016-09-29 | 2017-03-22 | 肇庆学院 | Regenerative auxiliary power test bench for hybrid power special-purpose vehicle and test method thereof |
| CN106526351B (en) * | 2016-09-29 | 2019-03-29 | 肇庆学院 | Hybrid power special-purpose vehicle regenerates auxiliary power testing stand and its test method |
| CN107515123A (en) * | 2017-09-30 | 2017-12-26 | 南京越博动力系统股份有限公司 | A kind of pure electric automobile road test energy consumption measurement system and its analysis method |
| CN107966666A (en) * | 2017-10-30 | 2018-04-27 | 华南理工大学 | Power battery energy expenditure detecting system in a kind of electric automobile operational process |
| CN107966666B (en) * | 2017-10-30 | 2021-05-14 | 华南理工大学 | Power battery energy consumption detection system in electric automobile operation process |
| CN109507603A (en) * | 2018-12-11 | 2019-03-22 | 潍柴动力股份有限公司 | A kind of power battery external characteristics test method and system |
| CN111397917A (en) * | 2020-04-13 | 2020-07-10 | 肇庆小鹏汽车有限公司 | Electric automobile inverter performance testing method |
| CN112524014A (en) * | 2020-11-04 | 2021-03-19 | 衢州市质量技术监督检测中心 | Frequency conversion air compressor detecting system |
| CN112524014B (en) * | 2020-11-04 | 2022-08-09 | 衢州市质量技术监督检测中心 | Frequency conversion air compressor detecting system |
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