CN106291392A - A kind of battery dynamic characteristic test method and device - Google Patents
A kind of battery dynamic characteristic test method and device Download PDFInfo
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- CN106291392A CN106291392A CN201610972456.3A CN201610972456A CN106291392A CN 106291392 A CN106291392 A CN 106291392A CN 201610972456 A CN201610972456 A CN 201610972456A CN 106291392 A CN106291392 A CN 106291392A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
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Abstract
The present invention relates to a kind of battery dynamic characteristic test method and device, including: generate testing process file;Host computer, according to the parameter in flow file, controls high accuracy charger and high precision load with the charge-discharge magnification set, the most alternately discharge and recharge;Host computer, by battery management system Real-time Collection store the monomer battery voltage of set of cells, total voltage, total current, temperature data, carries out curve, data form shows;Complete the analysis to measurement data, generate test report.Described method is easy and simple to handle, highly versatile, can at short notice quickly, system, motivate most of dynamic characteristic of battery all sidedly, and be greatly saved experimental period.Use the charging and discharging pulse of various durations, and pulse width Normal Distribution rule, meet the actually used rule of battery, the most just can get battery dynamic characteristic under actual condition.
Description
Technical field
The present invention relates to cell art, particularly relate to a kind of battery dynamic characteristic test method and device.
Background technology
Day by day exhausted along with fossil energy, and the increasingly sharpening of problem of environmental pollution, the full electric drive of clean environment firendly
Electric automobile has obtained increasing application.Vehicle mounted dynamic battery system is originated as the most dominant energy of electric automobile, its
Running status directly influences the performance of electric automobile, is the core component of electric automobile.Battery system be one extremely complex
System, its electrochemical reaction process presents the nonlinear characteristic of height, and some reaction mechanism of inside battery is the completeest
Entirely verify.In this case, rely solely on cell reaction mechanism and just seem the most difficult to the relevant issues studying this field,
Such as fuel cell modelling, battery dynamic analysis, cell degradation specificity analysis etc..
Existing method of testing generally uses the electric discharge of constant current charge, constant current, constant ambient temperature or meets certain
Battery is tested by the rectangle discharge and recharge pulse combined of rule.Main Function is to distinguish the stable state of battery and transient state is filled
Electric discharge work process.But, in actual driving cycle, electrokinetic cell is the most solely operated in stable state or transient state discharge and recharge
Process, actual duty is more stable state and the combination of transient state discharge and recharge, and the most above-mentioned method of testing can not be reacted
The battery actually used rule under dynamic operation condition.And under real work operating mode, the actual operating data of battery is the most also
Not exclusively comprise the substitutive characteristics of battery, therefore the actual operating data of battery is directly used in test and does not often reach expection effect
Really.
Therefore, for quick, system, the dynamic characteristic obtaining battery all sidedly, can encourage in the urgent need to proposing one
Go out battery testing method and the device of battery major part dynamic characteristic.
Summary of the invention
In view of above-mentioned analysis, it is desirable to provide a kind of battery dynamic characteristic test method and device, in order to solve
Existing method of testing can not the problem of the reaction cell actually used rule under dynamic operation condition.
The purpose of the present invention is mainly achieved through the following technical solutions:
A kind of battery dynamic characteristic test device, it is characterised in that described battery dynamic characteristic test device includes:
Set of cells, battery management system, host computer, controllable electronic load, controllable high-power DC source, high/low temperature are tested
Case;Battery management system, high/low temperature experimental box, controllable electronic load, the control signal end of controllable high-power DC source pass through
CAN is connected with host computer;
Set of cells electrically connects with battery management system, controllable electronic load and controllable high-power DC source;
Set of cells and the voltage of battery management system, temperature sensor are positioned in high/low temperature experimental box.
Described host computer carries out parameter setting by CAN to high-low temperature test chamber, by the temperature curve control set
The temperature of high-low temperature test chamber processed, the work condition environment used with simulated battery group.
Described host computer, by CAN and controllable electronic load and controllable high-power DC source communication, passes through normal state
The pulse test method of distribution white noise character controls the discharge current of controllable electronic load, voltage and controllable high-power unidirectional current
The charging current in source, voltage;Controllable electronic load is as the discharge load of battery;Controllable high-power DC source is as battery
Charge power supply.
Described host computer obtains test data by CAN from battery management system, including monomer battery voltage, always electricity
Pressure, total current, temperature data.
A kind of battery dynamic characteristic test method, it is characterised in that comprise the following steps:
Step S1, on host computer configuration testing management software, edit testing process, generate testing process file;
Step S2, the voltage of set of cells and battery management system, temperature sensor are positioned in high/low temperature experimental box, logical
Cross host computer and temperature is set as required experimental temperature;
Step S3, host computer, according to the parameter in flow file, control high accuracy charger and high precision load to set
Charge-discharge magnification, the most alternately discharge and recharge;
Step S4, host computer pass through battery management system Real-time Collection the monomer battery voltage storing set of cells, always electricity
Pressure, total current, temperature data, carry out curve, data form shows;
Step S5, host computer complete the analysis to measurement data, generate test report.
Described step S1 farther includes:
In described flow file, discharge and recharge pulse is the pulse of normal distribution white noise character, and pulse width meets normal state
Distribution.
Described step S3 farther includes:
In test process, if set of cells occurs that operation troubles, host computer provide alarm, and suspend test.
The present invention has the beneficial effect that:
(1) easy and simple to handle, highly versatile, can at short notice quickly, system, motivate the major part of battery all sidedly
Dynamic characteristic, and it is greatly saved experimental period.
(2) use the charging and discharging pulse of various durations, and pulse width Normal Distribution rule, meet electricity
The actually used rule in pond, the most just can get battery dynamic characteristic under actual condition.
Other features and advantages of the present invention will illustrate in the following description, and, becoming from description of part
Obtain it is clear that or understand by implementing the present invention.The purpose of the present invention and other advantages can be by the explanations write
Structure specifically noted in book, claims and accompanying drawing realizes and obtains.
Accompanying drawing explanation
Accompanying drawing is only used for illustrating the purpose of specific embodiment, and is not considered as limitation of the present invention, at whole accompanying drawing
In, identical reference marks represents identical parts.
Fig. 1 is the structural representation of battery dynamic characteristic test device described in the specific embodiment of the invention;
Fig. 2 is the flow chart of battery dynamic characteristic test method described in the specific embodiment of the invention.
Detailed description of the invention
Specifically describing the preferred embodiments of the present invention below in conjunction with the accompanying drawings, wherein, accompanying drawing constitutes the application part, and
Together with embodiments of the present invention for explaining the principle of the present invention.
A specific embodiment according to the present invention, discloses a kind of battery dynamic characteristic test device, as it is shown in figure 1,
Described battery dynamic characteristic test device includes: set of cells, battery management system, host computer, controllable electronic load, controlled big merit
Rate DC source, high/low temperature experimental box;Specifically,
Battery management system, high/low temperature experimental box, controllable electronic load, the control signal end of controllable high-power DC source
It is connected with host computer by CAN;
Set of cells electrically connects with battery management system, controllable electronic load and controllable high-power DC source.In set of cells
Comprising some cells, the type of set of cells can be lithium ion battery, Ni-MH battery, lead-acid battery, Ni-Cr battery etc.
All kinds of electrochemical cells.Battery of electric vehicle group is typically made up of branched cell.
It is real to host computer that battery management system detects the running voltage of each cell in set of cells and temperature in real time
Time send monomer battery voltage, total voltage, total current, temperature data.Voltage sensor is arranged on input and the output of set of cells
In loop, it is used for monitoring monomer battery voltage and total voltage.Current sensor is arranged in input and the output loop of set of cells,
For monitoring charging current and discharge current.Temperature sensor is one or more temperature sensor, is used for monitoring cell
Or the temperature of set of cells.
Host computer carries out parameter setting by CAN to high-low temperature test chamber, controls height by the temperature curve set
The temperature of low-temperature test chamber, the work condition environment used with simulated battery group.
Host computer, by CAN and controllable electronic load and controllable high-power DC source communication, passes through normal distribution
The pulse test method of white noise character controls the discharge current of controllable electronic load, voltage and controllable high-power DC source
Charging current, voltage.Described pulse test method can be with the simulated battery group duty when electric vehicle runs.As when electricity
During the anxious acceleration of motor-car, battery current increases, and cell voltage reduces.The simulation of this duty can pass through host computer mould
Intend and write testing process file.
Host computer by CAN from battery management system obtain test data, including monomer battery voltage, total voltage,
Total current, temperature data.
Controllable electronic load is as the discharge load of battery.
Controllable high-power DC source is as the charge power supply of battery.
The model of high/low temperature experimental box is Harding HLT2005P, and in experimentation, temperature controlling range is-40 DEG C to 75 DEG C,
Temperature fluctuation is ± 0.3 DEG C, it is possible to meet the needs of temperature simulation.High-low temperature test chamber receives host computer by CAN and sends out
The temperature regulating command gone out, and it is automatically adjusted the temperature of casing to setting value according to this heat command.
In the present embodiment, set of cells and the voltage of battery management system, temperature sensor are positioned in high/low temperature experimental box,
Such that it is able to complete the simulation of battery operating environment well.
A specific embodiment according to the present invention, discloses a kind of battery dynamic characteristic test method, as it can be seen, bag
Include following steps:
Step S1, on host computer configuration testing management software, edit testing process, generate testing process file.
In order to ensure the accuracy to battery dynamic analysis and versatility, optimal testing scheme is expectation input
Signal can cover all charge/discharge operation operating modes of set of cells, and motivate battery voltage under main discharge and recharge operating mode,
Electric current, temperature dynamic Changing Pattern.The present embodiment proposes the battery testing method with approximate normal distribution white noise character,
This method of testing can motivate battery voltage under main discharge and recharge operating mode, electric current, temperature dynamic in the short period of time
Changing Pattern, it is ensured that good test effect.
In the present embodiment, discharge and recharge flow process is as follows:
150s charges, 75s discharges, 75s charges, 150s discharges, 75s charges, 225s discharges, 150s charges, 375s discharges,
75s charges, 75s discharges, 150s charges, 75s discharges, 225s charges, 150s discharges, 375s charges, 75s discharges, 75s charges,
150s discharges, 75s charges, 225s discharges, 150s charges, 375s discharges, 75s charges, 75s discharges, 150s charges, 75s discharges,
225s charging, 150s electric discharge, 225s charging.
In above-mentioned method of testing, the discharge and recharge time can change the most flexibly, if discharge and recharge pulse width symbol
Conjunction normal distribution.
In above-mentioned method of testing, ambient temperature and charge-discharge magnification can change the most flexibly.
Step S2, the voltage of set of cells and battery management system, temperature sensor are positioned in high/low temperature experimental box, logical
Cross host computer and temperature is set as required experimental temperature, and stand more than 2 hours.
Step S3, host computer, according to the parameter in flow file, control high accuracy charger and high precision load to set
Charge-discharge magnification, by the pulse test method of normal distribution white noise character, the most alternately discharge and recharge.
In test process, if set of cells occurs that operation troubles, host computer provide alarm, and suspend test.
Step S4, host computer pass through battery management system Real-time Collection the monomer battery voltage storing set of cells, always electricity
Pressure, total current, temperature data, carry out curve, data form shows.
The various working parameters such as input voltage, electric current, output voltage, electric current, temperature are included due to each test phase, on
Position machine can draw the curve chart of each duty parameter, and shows in supervision test software interface and report.
Step S5, host computer complete the analysis to measurement data, generate test report.
Host computer has the function of Data Analysis Services, and according to index to be analyzed, automatic fitration goes out valid data, calculates
The end value of this index, according to test index result and the weight of each index, show that comprehensive analysis the to battery dynamic characteristic is commented
Valency result.
In sum, embodiments provide a kind of battery dynamic characteristic test method and device, electronic with existing
Automobile low-voltage electric system scheme is compared, and the advantage of described battery dynamic characteristic test method and device is:
(1) the battery dynamic characteristic test method that the present invention proposes is easy and simple to handle, highly versatile, compares existing battery and surveys
Method for testing, can at short notice quickly, system, motivate most of dynamic characteristic of battery all sidedly, and be greatly saved
Experimental period.
(2) the battery dynamic characteristic test method that the present invention proposes comprises the charging and discharging arteries and veins of various durations simultaneously
Punching, and pulse width Normal Distribution rule, this meets the actually used rule of battery, the most just can get
Battery dynamic characteristic under actual condition.
It will be understood by those skilled in the art that all or part of flow process realizing above-described embodiment method, can be by meter
Calculation machine program instructs relevant hardware and completes, and described program can be stored in computer-readable recording medium.Wherein, institute
Stating computer-readable recording medium is disk, CD, read-only store-memory body or random store-memory body etc..
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, the change that can readily occur in or replacement,
All should contain within protection scope of the present invention.
Claims (7)
1. a battery dynamic characteristic test device, it is characterised in that described battery dynamic characteristic test device includes:
Set of cells, battery management system, host computer, controllable electronic load, controllable high-power DC source, high/low temperature experimental box;
Battery management system, high/low temperature experimental box, controllable electronic load, the control signal end of controllable high-power DC source pass through CAN
Bus is connected with host computer;
Set of cells electrically connects with battery management system, controllable electronic load and controllable high-power DC source;
Set of cells and the voltage of battery management system, temperature sensor are positioned in high/low temperature experimental box.
Battery dynamic characteristic test device the most according to claim 1, it is characterised in that
Described host computer carries out parameter setting by CAN to high-low temperature test chamber, controls height by the temperature curve set
The temperature of low-temperature test chamber, the work condition environment used with simulated battery group.
Battery dynamic characteristic test device the most according to claim 1, it is characterised in that
Described host computer, by CAN and controllable electronic load and controllable high-power DC source communication, passes through normal distribution
The pulse test method of white noise character controls the discharge current of controllable electronic load, voltage and controllable high-power DC source
Charging current, voltage;Controllable electronic load is as the discharge load of battery;Controllable high-power DC source is as the charging of battery
Power supply.
Battery dynamic characteristic test device the most according to claim 1, it is characterised in that
Described host computer by CAN from battery management system obtain test data, including monomer battery voltage, total voltage,
Total current, temperature data.
5. a battery dynamic characteristic test method, it is characterised in that comprise the following steps:
Step S1, on host computer configuration testing management software, edit testing process, generate testing process file;
Step S2, the voltage of set of cells and battery management system, temperature sensor are positioned in high/low temperature experimental box, by upper
Temperature is set as required experimental temperature by position machine;
Step S3, host computer, according to the parameter in flow file, control high accuracy charger and high precision load with filling of setting
Discharge-rate, the most alternately discharge and recharge;
Step S4, host computer are by battery management system Real-time Collection and store the monomer battery voltage of set of cells, total voltage, total
Electric current, temperature data, carry out curve, data form shows;
Step S5, host computer complete the analysis to measurement data, generate test report.
Battery dynamic characteristic test method the most according to claim 5, it is characterised in that described step S1 is wrapped further
Include:
In described flow file, discharge and recharge pulse is the pulse of normal distribution white noise character, and pulse width meets normal distribution.
Battery dynamic characteristic test method the most according to claim 5, it is characterised in that described step S3 is wrapped further
Include:
In test process, if set of cells occurs that operation troubles, host computer provide alarm, and suspend test.
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CN106842062A (en) * | 2017-03-29 | 2017-06-13 | 广州中国科学院工业技术研究院 | Secondary cell thermal runaway test device and its method of testing |
CN107677964A (en) * | 2017-08-09 | 2018-02-09 | 杭州威衡科技有限公司 | A kind of New energy automobile motor battery simulating test device and method |
CN107894568A (en) * | 2017-10-10 | 2018-04-10 | 中国科学院电工研究所 | A kind of power accumulator pulse operation method of testing used for electric vehicle |
CN109270466A (en) * | 2017-07-16 | 2019-01-25 | 南京理工大学 | A kind of dynamic checkout unit and method of battery pack |
CN109471038A (en) * | 2018-11-12 | 2019-03-15 | 芜湖奇达动力电池系统有限公司 | Electric automobile power battery packet performance automatic test system and test method |
CN109783394A (en) * | 2019-03-14 | 2019-05-21 | 上海大学 | A kind of battery management system function test method and test hardware platform |
CN111398829A (en) * | 2019-01-03 | 2020-07-10 | 河南森源重工有限公司 | New energy automobile battery system performance evaluation method |
CN111707018A (en) * | 2020-04-24 | 2020-09-25 | 广东立佳实业有限公司 | Quick temperature change box based on metal hydride |
CN113900057A (en) * | 2021-09-09 | 2022-01-07 | 天合光能(宿迁)光电有限公司 | Method for checking and detecting measuring equipment before and after test box replacement |
CN116476693A (en) * | 2023-06-21 | 2023-07-25 | 苏州妙益科技股份有限公司 | Management method and device for automobile battery |
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CN106842062A (en) * | 2017-03-29 | 2017-06-13 | 广州中国科学院工业技术研究院 | Secondary cell thermal runaway test device and its method of testing |
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CN111398829A (en) * | 2019-01-03 | 2020-07-10 | 河南森源重工有限公司 | New energy automobile battery system performance evaluation method |
CN109783394A (en) * | 2019-03-14 | 2019-05-21 | 上海大学 | A kind of battery management system function test method and test hardware platform |
CN111707018A (en) * | 2020-04-24 | 2020-09-25 | 广东立佳实业有限公司 | Quick temperature change box based on metal hydride |
CN113900057A (en) * | 2021-09-09 | 2022-01-07 | 天合光能(宿迁)光电有限公司 | Method for checking and detecting measuring equipment before and after test box replacement |
CN113900057B (en) * | 2021-09-09 | 2023-08-29 | 天合光能(宿迁)光电有限公司 | Method for checking, detecting and measuring equipment before and after replacement of test box |
CN116476693A (en) * | 2023-06-21 | 2023-07-25 | 苏州妙益科技股份有限公司 | Management method and device for automobile battery |
CN116476693B (en) * | 2023-06-21 | 2023-09-08 | 苏州妙益科技股份有限公司 | Management method and device for automobile battery |
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