CN102608537B - Feed network type heavy-power battery testing device - Google Patents
Feed network type heavy-power battery testing device Download PDFInfo
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- CN102608537B CN102608537B CN201210054099.4A CN201210054099A CN102608537B CN 102608537 B CN102608537 B CN 102608537B CN 201210054099 A CN201210054099 A CN 201210054099A CN 102608537 B CN102608537 B CN 102608537B
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Abstract
The invention discloses a feed network type heavy-power battery testing device which comprises a monitoring server, a protocol gateway, a charge and discharge motor, a battery data acquisition module, a battery management system acquisition module and a power battery pack. According to the invention, accurate and reliable basis data can be rapidly and accurately provided for a power battery in the application to an electric vehicle. A background software system with a user programming capacity and a battery evaluating capacity carried in the feed network type heavy-power battery testing device ensures that a user can complete the detection of the function of a power battery pack and the testing of the output performance of the power battery pack according to a set control process, thus the feed network type heavy-power battery testing device has stronger practical value.
Description
Technical field
The present invention relates to a kind of feedback net type high power battery proving installation, belong to battery technology field.
Background technology
At present, along with the development of battery technology, electrokinetic cell has had large increase at aspects such as energy density, power density and cycle lives.Yet find in practice process, electrokinetic cell connection in series-parallel occurs that cell is inconsistent in groups afterwards, make serviceable life of whole Battery pack and dynamic perfromance far away from cell, also cannot meet the requirement of the application scenarios such as electric automobile, accumulator system.Therefore, be accompanied by the large-scale development of electric automobile, how electrokinetic cell carried out to sorting in groups and assembly testing, the electric property of comprehensive evaluation stack battery becomes key issue urgently to be resolved hurrily.Power battery pack proving installation mainly comprises power battery pack power output apparatus and battery data pick-up unit and corresponding software systems.The home equipment technology imperfection of testing for power battery pack at present, performance index are difficult to meet test request, therefore the main manufacturer of power battery pack testing apparatus concentrates on European and American areas, and procurement price is high, the production cycle is long, maintenance difficult, the test that has seriously hindered power battery pack and assessment; Simultaneously existing electrokinetic cell monitor system software is open poor, lacks the control of complicated algorithm.
Existing power battery testing system is just for the hardware device of different electric pressure designs, and daemon software only comprises simple monitoring function, open poor; And existing electrokinetic cell equipment some do not comprise feedback grid function, cause the energy dissipation in test process.And current existing domestic high power switch type electrokinetic cell equipment and technology falls behind, dynamic responding speed is slow, energy density and conversion efficiency are lower, and its electrokinetic cell monitoring software only comprises simple monitoring function, cannot embed complexity test and the flow process control algolithm of integrated battery group; Daemon software is open poor, cannot meet the complicated test function of advanced level user.Therefore; existing testing device for power cells does not comprise the functional test of power battery pack; do not comprise the functional test of battery management system, the functional test of high tension apparatus etc., be difficult to adapt to the detection demand of electric battery (bag) after electric automobile large-scale development.
At present, under the condition of the preliminary large-scale development of electric automobile, the Function detection of electrokinetic cell bag is significant to the reliability service of electric vehicle.Now, the Function detection of electrokinetic cell bag is mainly factory testing, by Battery Plant or power brick factory, is responsible for.Yet the stability of electron device may change after operation a period of time, is prone to malfunction, and the inefficacy of electron device has directly determined the security of electrokinetic cell operation.At present bag inner high voltage device misoperation or the phenomenon of the failure such as be failure to actuate repeatedly appear that battery management system accuracy of detection declines, defencive function lost efficacy and in the batteries of electric automobile packet system of actual motion; cause moving of electrokinetic cell bag under fault or unmonitored condition, have serious potential safety hazard.
Because the output characteristics of electrokinetic cell bag is relevant to the cell that forms power brick, and the characteristic of cell is relevant with the ageing state of battery, so the output characteristics of electrokinetic cell bag is along with the increase of working time variation gradually.By practical experience, drawn, after electric automobile operation a period of time, the output characteristics such as the capacity characteristic of electrokinetic cell, multiplying power property and original state are completely different, thereby the power performance of vehicle also can change as continual mileage, acceleration etc.Therefore, need to regularly detect the output characteristics of electrokinetic cell bag, to obtain current virtual condition and the performance parameter of battery, for vehicle provides genuine and believable data.
Therefore, in the urgent need to developing the control flow that can set according to user oneself, complete the hardware test platform of power battery pack Function detection, output performance test.
Summary of the invention
The object of the present invention is to provide a kind of feedback net type high power battery proving installation that can overcome above-mentioned technical matters, it can complete the power battery pack test to integrated electrokinetic cell high-performance charge-discharge test and monitoring software thereof, can realize the two-way flow of the energy content of battery and power grid energy in electrokinetic cell process, for functional test and the assessment of electrokinetic cell provides complete hardware platform.
The present invention includes: carried charge-discharge machine, the battery data acquisition module that possesses high synchronism that possesses the open intelligent battery test procedure of height of Battery Diagnostic evaluation function and user's advanced programming ability and monitoring server, the protocol gateway equipment of database management language, possesses the main circuit topological structure of energy in bidirectional flow, battery management system (BMS), the electrokinetic cell bag that is arranged in battery case; Described monitoring server is respectively by LAN bus and protocol gateway equipment connection, and described protocol gateway equipment is connected with battery data acquisition module with charge-discharge machine respectively by CAN bus; Described protocol gateway equipment is connected with battery management system by CAN bus, and described battery management system is connected with electrokinetic cell bag by sampling bus respectively with battery data acquisition module; Described charge-discharge machine is connected by power bus with electrokinetic cell bag.
Network-bus of the present invention is divided into power bus, sampling bus and data communication bus, and described data communication bus comprises two kinds of LAN bus and CAN buses; Described power bus is mainly used in the output of battery charging and discharging electric current, for electrokinetic cell provides energy input and active load; Described sampling bus is for the collection with assurance battery electric quantity by battery analog information access battery standard testing apparatus; Described data communication bus is for being responsible for sending and the reception of battery management system data of the gathering of whole charge-discharge test process battery data, supervisory system steering order.
Described monitoring server is responsible for gathering battery electric quantity information, battery management system is carried out to functional test and accuracy of detection test, the control of battery case electrical system functional test flow process, the control of electrokinetic cell characteristic parameter testing algorithm and the system management of battery data storehouse.When the parallel use of a plurality of battery testers, each battery tester can carry out cascade control by lan network, under a monitor network, works.Be connected with the network switch, realize the functions such as remote access, the network storage simultaneously.
Described charge-discharge machine comprises successively isolating transformer, PWM rectifier and the two-way DC/DC transducer connecting: described PWM rectifier is the topology structure of boosting, and it comprises take insulated gate bipolar translator power tube as main three phase controllable commutating bridge; There is rectification and inversion dual-use function.Described two-way DC/DC converter using to take buck-boost (Buck-Boost) circuit be basic structure, comprise two buck-boost transducers, the negative terminal of two buck-boost converter output terminals links together, and the anode of two buck-boost transducers has formed respectively total output voltage, be connected to tested battery.Owing to adopting the control mode of buck-boost transducer, its dynamic response is very fast, and output voltage range is wide, can realize the quick conversion between charging-discharge mode, has both increased power system capacity, has reduced again ripple current.
Described battery data acquisition module comprises number sampling bus, total information harvester, parallel sampling device, series battery; Described sampling bus is connected with parallel sampling device with total information harvester respectively, and described parallel sampling device is connected with series battery.Described total information harvester is connected with output negative terminal with the output plus terminal of series battery respectively.
Described battery data acquisition module, by sampling bus cascade, guarantees that battery analog information can access battery standard testing apparatus, guarantees the information synchronous acquisition processes such as voltage in battery charge and discharge process, electric current simultaneously.Wherein total information harvester is synchronizing information issuing side, in charge and discharge process, by sampling bus, provides synchronous sampling signal for parallel sampling device, and the coordination of being responsible for synchronous acquisition in whole charge-discharge test process is controlled.Increase along with cell series connection quantity, parallel sampling device also synchronously increases, but because each parallel sampling device adopts parallel sampling pattern, module voltage, temperature acquisition possesses independence and synchronism, and when a plurality of parallel acquisition devices are simultaneously in access network buses, can carry out sampling according to sampling bus signals synchronous opportunity, therefore no matter in one group of electrokinetic cell bag, there are how many joints series connection cells, utilize the voltage that described battery data acquisition module can be to each cell in series battery, temperature etc. are carried out synchronous acquisition, met each monomer battery voltage in series battery, the analysis requirement of temperature data.
The present invention is directed to the shortcoming that existing battery changes into and testing apparatus user program ability is weak, foundation comprises the function library of the functions such as data acquisition, serial ports control, data analysis, data demonstration and data storage, user can programme according to realistic objective and demand, according to real working condition data, battery is carried out to charge-discharge test, during program operation, real-time processing data Output rusults, be convenient to realize flexile battery testing scheme, user can control input and output electric current, voltage according to the current feedback states of battery simultaneously, forms the battery testing process with closed-loop control, is convenient to the battery applications scheme that User Exploitation is optimized, simultaneously, utilize the battery parameter detecting in test process, further analysis and calculation obtains the characterisitic parameters such as internal resistance, polarization, form database and can draw battery voltage, temperature, internal resistance, the isoparametric change curve of SOC, under the assessment algorithm and parameter threshold condition of setting user, the static characteristics of battery and dynamic perfromance are identified, diagnosed and assess, complete the critical function such as Conformance Assessment, sorting of battery, the present invention can be electrokinetic cell manufacturer quickly and accurately, electrokinetic cell research and development institution, electrokinetic cell bag manufacturer, electric automobile whole manufacturing enterprise, the operation enterprise of electrokinetic cell testing agency and electrokinetic cell provides functional test and the battery performance test after scientific and effective battery is applied in groups, for the application of electrokinetic cell on electric automobile provides basic data accurately and reliably, the control flow that the user program ability having that the present invention is carried and the daemon software system of cell evaluation ability can be set according to oneself user completes the detection to power battery pack function, the test of output performance, there is stronger practical value.
Accompanying drawing explanation
Fig. 1 is a kind of one-piece construction schematic diagram of presenting net type high power battery proving installation of the present invention;
Fig. 2 is a kind of structural representation of presenting the charge-discharge machine of net type high power battery proving installation of the present invention;
Fig. 3 is a kind of structural representation of presenting the battery data acquisition module of net type high power battery proving installation of the present invention.
Embodiment
Below in conjunction with drawings and Examples, describe the present invention.As shown in Figure 1, the present invention includes: carried possess the open intelligent battery test procedure of height of Battery Diagnostic evaluation function and user's advanced programming ability and monitoring server 1, protocol gateway equipment 2, the protocol gateway equipment 3 of database management language, the charge-discharge machine 4 that possesses the main circuit topological structure of energy in bidirectional flow, the battery data acquisition module 5 that possesses high synchronism, the battery management system 6 that is arranged in battery case, electrokinetic cell bag 7; Monitoring server 1 is connected with protocol gateway equipment 3 with protocol gateway equipment 2 by LAN bus respectively, and protocol gateway equipment 2 is connected with battery data acquisition module 5 with charge-discharge machine 4 respectively by CAN bus; Protocol gateway equipment 3 is connected with battery management system 6 by CAN bus, and battery management system 6 is connected with electrokinetic cell bag 7 by sampling bus respectively with battery data acquisition module 5; Charge-discharge machine 4 is connected by power bus with electrokinetic cell bag 7.
Charge-discharge machine 4 comprises that successively the isolating transformer 41, PWM rectifier 42 and the two-way DC/DC transducer 43:PWM rectifier 42 that connect are for the topology structure of boosting, and it comprises take the three phase controllable commutating bridge of insulated gate bipolar translator power tube as leading; There is rectification and inversion dual-use function.Two-way DC/DC transducer 43 has adopted that to take buck-boost (Buck-Boost) circuit be basic structure, comprise two buck-boost transducers, the negative terminal of two buck-boost converter output terminals links together, and the anode of two buck-boost transducers has formed respectively total output voltage, be connected to tested battery.
Battery data acquisition module 5 comprises total information harvester 511, parallel sampling device 512, parallel sampling device 513, parallel sampling device 51n, series battery 521, series battery 522, series battery 52n; Described sampling bus is connected with total information harvester 511, parallel sampling device 512, parallel sampling device 513, parallel sampling device 51n respectively, parallel sampling device 512 is connected with series battery 521, parallel sampling device 513 is connected with series battery 522, and parallel sampling device 51n is connected with series battery 52n; Total information harvester 511 is connected with output negative terminal with the output plus terminal of series battery respectively.
Battery data acquisition module 5, by the cascade of sampling bus, guarantees that battery analog information can access battery standard testing apparatus, guarantees the information synchronous acquisition processes such as voltage in battery charge and discharge process, electric current simultaneously.Wherein total information harvester 511 is synchronizing information issuing side, in charge and discharge process, by sampling bus, provide synchronous sampling signal for parallel sampling device 511, parallel sampling device 512, parallel sampling device 513, parallel sampling device 51n, and the coordination of being responsible for synchronous acquisition in whole charge-discharge test process is controlled.Increase along with cell series connection quantity, parallel sampling device also synchronously increases, but because each parallel sampling device adopts parallel sampling pattern, module voltage, temperature acquisition possesses independence and synchronism, and when a plurality of parallel acquisition devices are simultaneously in access network buses, can carry out sampling according to sampling bus signals synchronous opportunity, therefore no matter in one group of electrokinetic cell bag, there are how many joints series connection cells, utilize the voltage that described battery data acquisition module can be to each cell in series battery, temperature etc. are carried out synchronous acquisition, met each monomer battery voltage in series battery, the analysis requirement of temperature data.
Of the present invention lift-launch possesses the open intelligent battery test procedure of height of Battery Diagnostic evaluation function and user's advanced programming ability and the monitoring server 1 of database management language can complete the following test function of electrokinetic cell:
1. the 6 accuracy of detection verifications of the battery management system in pair battery case, comprising:
(1) static check: discharging and recharging the starting stage there is no electric current in the situation that, monitoring server 1 gathers cell voltage, electric current, temperature (alternative) information by battery data acquisition module 5, and contrast the accuracy of detection of test battery management system 6 with cell voltage, electric current, temperature (alternative) that battery management system 6 gathers.
(2) dynamic check: in electrokinetic cell charge-discharge test process, monitoring server 1 gathers cell voltage, electric current, temperature (alternative) information by battery data acquisition module 5, and contrast the accuracy of detection of test battery management system 6 with cell voltage, electric current, temperature (alternative) that battery management system 6 gathers.
2. electrokinetic cell performance parameter test, comprising:
(1) volume test: the actual capacity information that monitoring server 1 gathers by battery data acquisition module 5 is calculated the actual capacity that discharges and recharges of electric battery, and writes in the database of monitoring server 1.
(2) internal resistance test: monitoring server 1 gathers the information of voltage of electric battery in charge and discharge process by battery management system 6, calculate the DC internal resistance of each cell, and write in the database of monitoring server 1.
(3) charge and discharge platform uniformity test: monitoring server 1 gathers the information of voltage of electric battery in charge and discharge process by battery management system 6, obtain online the working voltage platform of each cell, compare consistance, and write in the database of monitoring server 1.
3. battery case discharges and recharges temperature field test, comprising: monitoring server 1 gathers the temperature information of the interior each several part of battery case in charge and discharge process by battery management system 6 (or infrared thermoviewer), whether test power line connects good.
4. detecting information statistics output, comprising: after battery testing, 1 pair of data of monitoring server are carried out statistical study, by test result by printout.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, is anyly familiar with those skilled in the art in scope disclosed by the invention; the variation that can expect easily or replacement, all should be encompassed in the protection domain of the claims in the present invention.
Claims (2)
1. present net type high power battery proving installation for one kind, it is characterized in that, comprising: carried possess the open intelligent battery test procedure of height of Battery Diagnostic evaluation function and user's advanced programming ability and monitoring server, the protocol gateway equipment of database management language, the charge-discharge machine that possesses the main circuit topological structure of energy in bidirectional flow, the battery data acquisition module that possesses high synchronism, the battery management system that is arranged in battery case, electrokinetic cell bag; Described monitoring server is by LAN bus and protocol gateway equipment connection, and described protocol gateway equipment is connected with battery data acquisition module with charge-discharge machine respectively by CAN bus; Described protocol gateway equipment is connected with battery management system by CAN bus, and described battery management system is connected with electrokinetic cell bag by sampling bus respectively with battery data acquisition module; Described charge-discharge machine is connected by power bus with electrokinetic cell bag; Described monitoring server is responsible for gathering battery electric quantity information, described battery management system is carried out to functional test and accuracy of detection test, the control of battery case electrical system functional test flow process, the control of electrokinetic cell characteristic parameter testing algorithm and the system management of battery data storehouse; When the parallel use of a plurality of battery testers, each battery tester carries out cascade control by lan network, under a monitor network, works, and is connected with the network switch simultaneously, realizes remote access, network storage function;
Described battery data acquisition module comprises sampling bus, total information harvester, parallel sampling device, series battery; Described sampling bus is connected with parallel sampling device with total information harvester respectively, and described parallel sampling device is connected with series battery, and described total information harvester is connected with output negative terminal with the output plus terminal of series battery respectively.
2. a kind of feedback net type high power battery proving installation according to claim 1, it is characterized in that, described charge-discharge machine comprises successively isolating transformer, PWM rectifier and the two-way DC/DC transducer connecting: described PWM rectifier is the topology structure of boosting, and it comprises take insulated gate bipolar translator power tube as main three phase controllable commutating bridge; Described PWM rectifier has rectification and inversion dual-use function; Described two-way DC/DC converter using take buck-boost circuit as basic structure, comprise two buck-boost transducers, the negative terminal of two buck-boost converter output terminals links together, and the anode of two buck-boost transducers has formed respectively total output voltage, is connected to tested battery.
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| CN201210054099.4A CN102608537B (en) | 2012-03-02 | 2012-03-02 | Feed network type heavy-power battery testing device |
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| CN201210054099.4A CN102608537B (en) | 2012-03-02 | 2012-03-02 | Feed network type heavy-power battery testing device |
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| CN103293480A (en) * | 2012-12-17 | 2013-09-11 | 天津思博科科技发展有限公司 | LED emergency light rechargeable battery monitoring device |
| CN103094633B (en) * | 2013-01-08 | 2016-01-27 | 北京优科利尔能源设备有限公司 | A kind of detection for electric automobile power battery and maintenance system |
| CN103312178B (en) * | 2013-06-13 | 2016-07-06 | 深圳市吉阳自动化科技有限公司 | A kind of two-way DC/DC changer and apply its battery detection equipment |
| CN103323784B (en) * | 2013-06-20 | 2017-02-08 | 北京优科利尔能源设备有限公司 | Monitoring system for battery test |
| CN105723659B (en) * | 2013-11-12 | 2019-06-14 | 艾思玛太阳能技术股份公司 | The method for communicating system control unit with more generating equipments |
| CN104880605B (en) * | 2014-02-28 | 2018-05-08 | 比亚迪股份有限公司 | The measuring method of the DC internal resistance of battery management system and battery cell |
| CN105158691A (en) * | 2015-07-29 | 2015-12-16 | 安徽安凯汽车股份有限公司 | New energy automobile power battery pack performance test device and test method thereof |
| CN105589044A (en) * | 2015-12-09 | 2016-05-18 | 天津市捷威动力工业有限公司 | Automatic test system and test method for testing function of power battery pack |
| CN105911475A (en) * | 2016-04-12 | 2016-08-31 | 中国船舶重工集团公司第七〇二研究所 | Power pack testing system |
| CN106814323A (en) * | 2016-11-08 | 2017-06-09 | 广东探金电子科技有限公司 | A kind of Power Battery Testing System |
| CN110658458B (en) * | 2018-06-29 | 2022-09-09 | 深圳市瑞能实业股份有限公司 | Battery pack simulation system |
| CN111220923A (en) * | 2018-11-26 | 2020-06-02 | 深圳市泰斯电子有限公司 | Battery or battery protection board detection method based on big data management |
| CN112564204A (en) * | 2020-11-05 | 2021-03-26 | 东莞欧陆通电子有限公司 | Battery pack electric quantity management system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101430368A (en) * | 2008-09-12 | 2009-05-13 | 张天任 | Full-automatic charge-discharge intelligent data acquisition system of accumulator |
| CN101599656A (en) * | 2009-04-16 | 2009-12-09 | 中国石油大学(华东) | A kind of charge-discharge machine for power storage battery test system |
| JP5633227B2 (en) * | 2009-10-14 | 2014-12-03 | ソニー株式会社 | Battery pack and battery pack deterioration detection method |
| US20110128006A1 (en) * | 2009-12-01 | 2011-06-02 | Helix Micro | Method and apparatus for detecting battery life |
| CN101762800B (en) * | 2010-01-28 | 2013-04-03 | 北京航空航天大学 | Battery managing system testing platform |
| CN101813755B (en) * | 2010-04-09 | 2013-06-19 | 福州福光电子有限公司 | Charge and discharge test equipment for full on-line storage battery pack |
| CN101819259B (en) * | 2010-05-06 | 2012-08-22 | 惠州市亿能电子有限公司 | Method for evaluating consistency of battery pack |
| JP4845066B1 (en) * | 2010-08-18 | 2011-12-28 | 古河電気工業株式会社 | Method and apparatus for detecting state of power storage device |
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