CN205091445U - Electric automobile lithium cell simulation system - Google Patents
Electric automobile lithium cell simulation system Download PDFInfo
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- CN205091445U CN205091445U CN201520911502.XU CN201520911502U CN205091445U CN 205091445 U CN205091445 U CN 205091445U CN 201520911502 U CN201520911502 U CN 201520911502U CN 205091445 U CN205091445 U CN 205091445U
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Abstract
Provided is an electric automobile lithium cell simulation system. Power battery is the core of electric motor car, the performance of its performance direct influence electric motor car. There are a lot of countries in the whole world all studying electric motor car power battery, and is along with the battery performance constantly improves, also increasingly high to the requirement of electric motor car battery measuring technology. An electric automobile lithium cell simulation system which constitutes and includes: (B, ) (b) IO (b) (b) sampling and control interface (b) (b) 1 (b) (b), (b) (b) IO (b) (b) sampling and control interface respectively with surveyed group battery (b) (b) 5 (b) (b), survey group battery converter (b) (b) 6 (b) (b), survey electronic group driving machine (b) (b) 7 (b) (b), energy storage group battery motor (b) (b) 8 (b) (b), energy storage group battery converter (b) (b) 9 (b) (b), energy storage storage system (b) (b) 10 (b) (b), control computer (b) (b) 2 (b) (b), humiture environment device (b) (b) 3 (b) (b) and vibration ring border device (b) (b) 4 (b) (b) are connected, control computer be connected with keyboard (b) (b) (b) (b) display (b) (b) (b) (b) printer (b) (b) 11 (b) (b) respectively. The utility model discloses be applied to electric automobile's battery simulation system. (B, )
Description
Technical field:
The utility model relates to a kind of electric automobile lithium battery analogue system, is used for the charge status of simulated automotive electrokinetic cell under actual motion condition, provides foundation for checking the performance of electrokinetic cell.
Background technology:
Electric motor car, due to its energy saving and the little advantage of environmental pollution, has become the developing direction of 21 century auto industry.Electrokinetic cell is the core of electric motor car, and its performance directly affects the performance of electric motor car.The whole world has a lot of country all studying power battery of electric vehicle, along with battery performance constantly improves, also more and more higher to the requirement of battery of electric vehicle measuring technology.
The power battery of electric vehicle of domestic and international research and development mainly uses the batteries such as lead-acid battery, Ni-MH battery, fuel cell, lithium ion battery, below analyze with regard to the relative merits of all types of batteries.
Lead-acid battery
Lead-acid battery has that reliability is high, with low cost, raw material sources is abundant and lead recovery can up to the advantage such as 98%, and the life-span of the lead-acid battery that current electric automobile uses reaches more than 400 times; But as Prospect of EVS Powered with Batteries, still face three large problems: the energy of battery and power density are not high; Service life cycle is low; Quick charge capability difference etc.
The advantage of Ni-MH battery Ni-MH battery is: energy density, power density are all the highest higher than lead-acid battery and ring serviceable life in actual battery for electric automobile; Rapid charge and deep discharge generation discharging efficiency high; Heavy metal free pollutes; Full sealed non-maintenance.The shortcoming of Ni-MH battery is: cost is high, and price is 5 ~ 8 times of identical capacity lead-acid battery; Monomer battery voltage low (1.2V); Self discharge loss is large; Responsive to environment temperature, electric battery heat management task weight.In recent years, very general concern is received along with Ni-MH battery is opened in the industrialization of hybrid vehicle and the development of fuel cell car, along with the development of Ni-MH battery technology, its energy density, cycle life and quick charge capability can increase substantially, and price will reduce.Many service message ponds are as the first-selected battery of hybrid vehicle and fuel cell car use from now on.
Fuel cell
Fuel cell is a kind of Electrochemical generator, it is equivalent to the function of an internal combustion engine-cluster engine, it utilizes the oxygen in air and hydrogen (or hydrogen of hydrocarbon conversion) to be fuel, chemical energy is directly changed into electric energy supply motor and realizes driving vehicle.Its major advantage is: efficiency is high, can fuel saving; Zero-emission or few discharge; Noise is little, is particularly suitable for doing vehicle power source.Therefore, it is believed that final replacement petroleum products is the automobile of fuel by fuel-cell vehicle.Although fuel cell has many advantages, be considered to the ideal power source of future automobile.But by price, platinum resource, hydrogen source, service corollary system and under the condition being oxygenant with air fuel battery performance need the restraining factors such as further raising, fuel-cell vehicle apply with commercialization not to be can realize in the recent period, also will to have the quite a while.
Lithium ion battery
During lithium ion battery in all rechargeable batteries, a kind of novel battery of combination property optimum.Compared with other batteries, have that voltage is high, lightweight, energy density and a high advantage of energy efficiency.Domestic a lot of battery producer all shows special concern to the application of lithium battery in electric automobile.Current, during the subject matter that lithium ion battery still exists: the high and over problem of rapid discharge poor performance, price.Under the condition overcharging or abuse, lithium battery may breaking out of fire or blast.Therefore, for guaranteeing the security of lithium ion battery, battery management system must be added.
Utility model content:
The purpose of this utility model is to provide a kind of electric automobile lithium battery analogue system.
Above-mentioned object is realized by following technical scheme:
A kind of electric automobile lithium battery analogue system, its composition comprises: I/O sampling and control interface, described I/O sampling is connected with tested electric battery, tested electric battery frequency converter, tested electronic group of driving machine, energy storage energy storage battery group motor, energy storage energy storage battery group frequency converter, energy storage energy-storage system, computer for controlling, humiture environmental device and vibration environment device respectively with control interface, and described computer for controlling is connected with keypad/display/printer respectively.
Described electric automobile lithium battery analogue system, described tested electric battery is connected with tested electric battery frequency converter, described tested electric battery frequency converter is connected with tested electronic group of drive motor, tested electronic group of described drive motor is connected with energy storage energy storage battery group motor, described energy storage energy storage battery group motor is connected with energy storage energy storage battery group frequency converter, and described energy storage energy storage battery group frequency converter is connected with energy storage energy-storage system.
Described electric automobile lithium battery analogue system, described tested electric battery frequency converter and tested electronic group of described drive motor composition drive system, described energy storage energy storage battery group frequency converter, described energy storage energy storage battery group motor and described energy storage energy-storage system composition load simulation system.
Described electric automobile lithium battery analogue system, described computer for controlling has data acquisition system (DAS), and described humiture environmental device has the environmental simulation system of simulation humiture, and described vibration environment device has the vibrations analogue system of simulation road conditions.
The beneficial effects of the utility model:
The utility model system temperature and humidity control system carrys out the humiture change of analog electrical motor-car surrounding environment; The various road conditions under physical condition are simulated with vibratory test platform; Adopt drive system of electric motor vehicle as the charge and discharge platform of electrokinetic cell; With heavy motor as the discharge load of tested electrokinetic cell and fill energy regenerating; Associated control parameters is obtained with the operation of driving simulation system simulated automotive; The battery that energy storage battery uses is ferric phosphate lithium cell.
The utility model with permanent magnet ac synchronous motor for drive motor with take frequency converter as the drive system of electric machine controller composition, load motor, the load system of electric machine controller and energy storage battery composition, with external environment and the road conditions of vibratory test platform and the simulation of humiture Comprehensive Control case with can be good at the simulation charge status of electrokinetic cell in electric motor car with the simulation system of dynamic battery of driving simulation system composition, system run all right, reliably, for the performance detecting electrokinetic cell (group) provides an extraordinary test platform, there is certain advance and stronger practicality.
Accompanying drawing illustrates:
Accompanying drawing 1 is structural representation of the present utility model.
Embodiment:
Embodiment 1:
A kind of electric automobile lithium battery analogue system, its composition comprises: I/O sampling and control interface 1, described I/O sampling is connected with tested electric battery 5, tested electric battery frequency converter 6, tested electronic group of driving machine 7, energy storage energy storage battery group motor 8, energy storage energy storage battery group frequency converter 9, energy storage energy-storage system 10, computer for controlling 2, humiture environmental device 3 and vibration environment device 4 respectively with control interface, and described computer for controlling is connected with keypad/display/printer 11 respectively.
Embodiment 2:
Electric automobile lithium battery analogue system according to embodiment 1, described tested electric battery is connected with tested electric battery frequency converter, described tested electric battery frequency converter is connected with tested electronic group of drive motor, tested electronic group of described drive motor is connected with energy storage energy storage battery group motor, described energy storage energy storage battery group motor is connected with energy storage energy storage battery group frequency converter, and described energy storage energy storage battery group frequency converter is connected with energy storage energy-storage system.
Embodiment 3:
Electric automobile lithium battery analogue system according to embodiment 1 or 2, described tested electric battery frequency converter and tested electronic group of described drive motor composition drive system, described energy storage energy storage battery group frequency converter, described energy storage energy storage battery group motor and described energy storage energy-storage system composition load simulation system.
Embodiment 4:
Electric automobile lithium battery analogue system according to embodiment 1 or 2 or 3, described computer for controlling has data acquisition system (DAS), described humiture environmental device has the environmental simulation system of simulation humiture, and described vibration environment device has the vibrations analogue system of simulation road conditions.
Embodiment 5:
Humiture environmental simulation system
Humiture environmental simulation system realizes the emulation of environment temperature and humidity to external world by the change that temperature and humidity control box (abbreviation temperature control box) controls different temperatures and humidity.
Temperature control box is made up of a few parts such as chamber, air compressor, heating arrangement, damping device and cooling towers, can realize heating, freeze and the function such as humidification; The separate work of each function, system uses PID control temperature and humidity.1. heat: heating of temperature control box in the chamber closed, produces heat after resistance wire conduction, realizes the rising of temperature.2. freeze: equipment adopts vapour compression refrigeration, its principle utilizes the evaporation latent heat of the liquid such as freon to absorb heat from cooled object and realizes refrigeration.3. humidification: utilize the electrothermal tube of water pond power to carry out heating two and produce steam, then steam enters in chamber, the air wetting in the case made.
Embodiment 6:
Vibrations analogue system
Electric motor car, in operational process, due to the out-of-flatness on road surface, can produce continual vibrations, and the frequency size of vibrations is relevant with the unevenness on road surface; This causes great infringement to assembled battery and cell packet module; Whether the vibrations under analog simulation certain frequency are firm very useful for cell combination in power brick.
Electric vibration experiment is used to produce sinusoidal, random, sine and adds that broadband is random, narrowband random adds the equipment set that broadband Stochastic sum impacts equal excitation.It is made up of electric vibration table, power amplifier, vibration controller and auxiliary device thereof usually.
Embodiment 7:
Load simulation system
Electric motor car, in operational process, due to the out-of-flatness on road surface, can produce continual vibrations, and the frequency size of vibrations is relevant with the unevenness on road surface; This causes great infringement to assembled battery and cell packet module; Whether the vibrations under analog simulation certain frequency are firm very useful for cell combination in power brick.Electric vibration experiment is used to produce sinusoidal, random, sine and adds that broadband is random, narrowband random adds the equipment set that broadband Stochastic sum impacts equal excitation.It is made up of electric vibration table, power amplifier, vibration controller and auxiliary device thereof usually.
Embodiment 8:
Data acquisition system (DAS)
Simulation system of dynamic battery take computing machine as detection, the control system of " Intelligent treatment core component "; Require computing machine to be connected with external physical equipment, and the bridge realizing this connection is exactly data acquisition system (DAS), the quality of data acquisition system (DAS) is by the stability of reflection system and reliability.
Claims (4)
1. an electric automobile lithium battery analogue system, its composition comprises: I/O sampling and control interface, it is characterized in that: described I/O sampling is connected with tested electric battery, tested electric battery frequency converter, tested electronic group of driving machine, energy storage energy storage battery group motor, energy storage energy storage battery group frequency converter, energy storage energy-storage system, computer for controlling, humiture environmental device and vibration environment device respectively with control interface, and described computer for controlling is connected with keypad/display/printer respectively.
2. electric automobile lithium battery analogue system according to claim 1, it is characterized in that: described tested electric battery is connected with tested electric battery frequency converter, described tested electric battery frequency converter is connected with tested electronic group of drive motor, tested electronic group of described drive motor is connected with energy storage energy storage battery group motor, described energy storage energy storage battery group motor is connected with energy storage energy storage battery group frequency converter, and described energy storage energy storage battery group frequency converter is connected with energy storage energy-storage system.
3. electric automobile lithium battery analogue system according to claim 1 and 2, it is characterized in that: described tested electric battery frequency converter and tested electronic group of described drive motor composition drive system, described energy storage energy storage battery group frequency converter, described energy storage energy storage battery group motor and described energy storage energy-storage system composition load simulation system.
4. electric automobile lithium battery analogue system according to claim 3, it is characterized in that: described computer for controlling has data acquisition system (DAS), described humiture environmental device has the environmental simulation system of simulation humiture, and described vibration environment device has the vibrations analogue system of simulation road conditions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520911502.XU CN205091445U (en) | 2015-11-16 | 2015-11-16 | Electric automobile lithium cell simulation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520911502.XU CN205091445U (en) | 2015-11-16 | 2015-11-16 | Electric automobile lithium cell simulation system |
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| CN205091445U true CN205091445U (en) | 2016-03-16 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105807234A (en) * | 2016-03-21 | 2016-07-27 | 安徽工程大学 | Device for testing performance of battery of electric automobile |
| CN107045103A (en) * | 2016-11-29 | 2017-08-15 | 北京长城华冠汽车科技股份有限公司 | Electric automobile power battery endurance testing device and method |
| CN108318826A (en) * | 2018-03-07 | 2018-07-24 | 青岛海洋电气设备检测有限公司 | A kind of new energy battery test system, device and method |
-
2015
- 2015-11-16 CN CN201520911502.XU patent/CN205091445U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105807234A (en) * | 2016-03-21 | 2016-07-27 | 安徽工程大学 | Device for testing performance of battery of electric automobile |
| CN105807234B (en) * | 2016-03-21 | 2019-01-29 | 安徽工程大学 | Batteries of electric automobile performance testing device |
| CN107045103A (en) * | 2016-11-29 | 2017-08-15 | 北京长城华冠汽车科技股份有限公司 | Electric automobile power battery endurance testing device and method |
| CN108318826A (en) * | 2018-03-07 | 2018-07-24 | 青岛海洋电气设备检测有限公司 | A kind of new energy battery test system, device and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160316 Termination date: 20171116 |
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| CF01 | Termination of patent right due to non-payment of annual fee |