CN102183984B - Power battery simulation system - Google Patents

Power battery simulation system Download PDF

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Publication number
CN102183984B
CN102183984B CN2011100726024A CN201110072602A CN102183984B CN 102183984 B CN102183984 B CN 102183984B CN 2011100726024 A CN2011100726024 A CN 2011100726024A CN 201110072602 A CN201110072602 A CN 201110072602A CN 102183984 B CN102183984 B CN 102183984B
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CN
China
Prior art keywords
module
battery
power
output terminal
modular converter
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Application number
CN2011100726024A
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Chinese (zh)
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CN102183984A (en
Inventor
张友群
朴昌浩
肖利华
杨辉前
王进
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing University of Post and Telecommunications
Chongqing Changan Automobile Co Ltd
Chongqing Changan New Energy Automobile Co Ltd
Original Assignee
Chongqing University of Post and Telecommunications
Chongqing Changan Automobile Co Ltd
Chongqing Changan New Energy Automobile Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing University of Post and Telecommunications, Chongqing Changan Automobile Co Ltd, Chongqing Changan New Energy Automobile Co Ltd filed Critical Chongqing University of Post and Telecommunications
Priority to CN2011100726024A priority Critical patent/CN102183984B/en
Priority to PCT/CN2011/079236 priority patent/WO2012129892A1/en
Priority to BR112013013858A priority patent/BR112013013858A2/en
Publication of CN102183984A publication Critical patent/CN102183984A/en
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Publication of CN102183984B publication Critical patent/CN102183984B/en
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
    • H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
    • H02M7/043—Conversion of ac power input into dc power output without possibility of reversal by static converters using transformers or inductors only
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
    • H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
    • H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M7/23—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only arranged for operation in parallel
    • 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]
    • G01R31/367—Software therefor, e.g. for battery testing using modelling or look-up tables
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/20—Charging or discharging characterised by the power electronics converter
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
    • H02M1/007—Plural converter units in cascade
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
    • H02M1/008—Plural converter units for generating at two or more independent and non-parallel outputs, e.g. systems with plural point of load switching regulators

Abstract

The invention provides a power battery simulation system which comprises a plurality of battery modules (1-N), a first power supply module, a digital control module and an upper computer, wherein each battery module comprises a transformer, a rectification filter module, a DC/DC conversion module, a second power supply module, a digital power supply control module and an isolation module. In the power battery simulation system, usual 220V AC (alternating current) is utilized to simulate to output the module voltage of a power battery pack and the main voltage of a power battery. Combined the characteristics of the isolation module and the digital control module, the power battery simulation system disclosed by the invention can output stable voltage according to the intention of a user, simultaneously can simulate the dynamic voltage when a power battery works, and can be sued for carrying out the static and dynamic function verification of a power battery management system. The system has a simple structure and high accuracy, can output the battery module voltage with adjustable property in a simulating way.

Description

A kind of power battery simulation system
Technical field
The invention belongs to the new-energy automobile field, relate in particular to a kind of power battery simulation system.
Background technology
In the battery management system application testing process of reality, need the plurality of voltages output device as the input signal of test, i.e. off-line state Imitating battery system.As, carry out in power battery management system functional verification process, the voltage signal of electrokinetic cell need be provided, and not have under the condition of electrokinetic cell, need to simulate with the stabilized voltage supply of series connection the function that power battery module voltage and total voltage signal are verified power battery management system.
In existing technology, most of battery analog systems adopt common mu balanced circuit and amplifying circuit etc. to come the Voltage-output of simulated battery, and this system not only precision is difficult to meet the requirement of test, and safety and stability can not satisfy user's demand simultaneously.And if it is high to utilize the high precision electro potential source to simulate the electrokinetic cell cost, be difficult to satisfy the testing requirement of multichannel modular battery Voltage-output.In the battery analogue circuit that Chinese patent 200720122169.X proposes, it adopts the characteristics of voltage source and current source and the precision of amplifier, can produce stable aanalogvoltage, but it is by the mode simulated battery of resistance in series, the output cell voltage is single, do not have adjustability, can not satisfy battery system dynamic function checking demand.
Summary of the invention
The present invention proposes a kind of power battery simulation system that can export different aanalogvoltages for making up defects.
The present invention is specifically by the following technical solutions:
A kind of power battery simulation system comprises a plurality of battery module 1-N, the first power module, digital control module and host computer.
Described each battery module comprises a transformer, a rectification filtering module, a DC/DC modular converter, a second source module, a digital energy supply control module and an isolation module.
The input end external AC power supply of described transformer, the output terminal of transformer connects the input end of rectification filtering module, and described rectification filtering module output terminal is connected input end with the input end of DC/DC modular converter respectively and is connected with the second source module.
the output terminal of the DC/DC modular converter in described a plurality of battery module 1-N is connected in series, namely the DC/DC modular converter output terminal noble potential of N-1 battery module N-1 is connected with the DC/DC modular converter output terminal electronegative potential of N battery module N, the DC/DC modular converter output terminal electronegative potential of N-1 battery module (N-1) is connected with the DC/DC modular converter output terminal noble potential of N-2 battery module N-2, according to above-mentioned connected mode, until the electronegative potential of the DC/DC modular converter output terminal of the 2nd battery module 2 connects the noble potential of the DC/DC modular converter output terminal of the 1st battery module 1.
the output terminal of the described second source module in each battery module 1-N is connected with digital power control module in this battery module, the input end of the described digital power control module in each battery module 1-N all is connected with digital control module by the isolation module in this battery module 1-N, the output terminal of the described digital power control module in described each battery module 1-N is connected with the DC/DC modular converter in this battery module 1-N, described digital power control module is accepted the step-down ratio digital signal of digital control module by the SPI communication, and this signal is converted to the step-down ratio that corresponding control signal is controlled the DC/DC modular converter.
Described the first power module input end is connected with isolation module output terminal in battery module 1, and output is connected with digital control module; The output terminal of the second source module in the 1st battery module 1 also is connected by the input end of isolation module the first power module, and the voltage signal input of isolation is provided for the first power module.
Described digital control module also is connected with host computer.
The battery analog system that the present invention proposes compared with prior art has the following advantages:
Utilize the digital power control module, can export different aanalogvoltages according to user's needs, and can simulate really the dynamic electric voltage output of electrokinetic cell;
Utilize isolation module, the electrokinetic cell high pressure of simulation and the low-pressure system of system are effectively isolated, improve safety and the anti-interference of whole system.
Description of drawings
Fig. 1 is the power battery simulation system structured flowchart that the present invention proposes;
Fig. 2 is each battery module annexation block diagram of the present invention.
Embodiment
The structured flowchart of power battery simulation system as shown in Figure 1 comprises a plurality of battery modules (1-N), the first power module, digital control module and host computer.Each battery module comprises transformer, rectification filtering module, DC/DC modular converter, second source module, digital power control module, isolation module.
Rectification filtering module carries out rectifying and wave-filtering to the alternating voltage of transformer output, utilize the diode unilateral conduction characteristic that ac voltage signal is converted to d. c. voltage signal, the filtering characteristic of recycling electric capacity and inductance carries out filtering to be processed, the d. c. voltage signal of stable output, for the DC/DC modular converter provides changing voltage, provide voltage for the second source module simultaneously.
The digital power control module is directly controlled the step-down scale-up factor of DC/DC modular converter, by with digital control module in single-chip microcomputer carry out communication, accept the required power battery module number of user and module voltage signal, calculate rear transmission step-down scale-up factor to the DC/DC modular converter, thereby control the output voltage of DC/DC modular converter.
The DC/DC modular converter is the output module of native system, and this module is carried out the step-down conversion process with the stable DC high voltage of rectification filtering module output, and the step-down conversion proportion is required according to the user has adjustability.The changeover control signal that this module sends by receiving the digital power control module, the stable DC high voltage that rectification filtering module is exported carries out the step-down conversion process, the required direct-flow steady voltage of output user.
The second source module provides operating voltage for the digital power control module in each battery module, and for battery module 1, the second source module as the input voltage of isolation module, is exported an isolation voltage as the input of the first power module by the isolated from power chip simultaneously; The first power module provides working power for the digital control module of power battery simulation system of the present invention.
Isolation module with the operating voltage isolation of the operating voltage in battery module and digital control module, is isolated the communication between single-chip microcomputer and control module on the one hand on the other hand.Can realize the isolation of three aspects: by isolation module:
1, effectively with working power and the digital control module isolated from power of each battery module, strengthen Security of the system;
2, make between battery module 1N the module voltage of separate, authentic and valid simulation electrokinetic cell, each battery module series connection just can be realized a kind of electrokinetic cell system of simulation;
3, the communication between the single-chip microcomputer in digital control module and the digital power control module in battery module is isolated, when preventing system works, communication is interfered, and strengthens the anti-interference and reliability of system.
Digital control module is the kernel control module of native system, realize that by programming power battery simulation system of the present invention and PC host computer carry out communication, the user can input by the PC host computer digital power control module parameter of each battery module, define required battery module quantity, the voltage of modules and the total voltage of electrokinetic cell of user, thereby realize the adjustability of analog output voltage.
Be illustrated in figure 2 as the annexation of native system output modules voltage, in the power battery simulation system that the present invention proposes, the inner structure of battery module 1N module is identical, but work alone fully, therefore, need modules is reasonably connected just to simulate complete power battery pack.
the DC/DC modular converter is as the output of each battery module, its output is provided with noble potential and two poles of electronegative potential, the noble potential of battery module 1 output is connected with the electronegative potential of battery module 2 outputs, the noble potential of battery module 2 outputs is connected with the electronegative potential of battery module 3 outputs, the like, the noble potential of battery module N-1 output is connected with the electronegative potential of battery module N output, so just can simulate really complete power battery pack, the electronegative potential pole of battery module 1 output is total negative pole of simulation power battery pack, the noble potential pole of battery module N output is total positive pole of simulation power battery pack.

Claims (3)

1. a power battery simulation system, comprise a plurality of battery modules (1-N), the first power module, digital control module and host computer; It is characterized in that:
Each battery module comprises a transformer, a rectification filtering module, a DC/DC modular converter, a second source module, a digital energy supply control module and an isolation module;
The input end external AC power supply of described transformer, the output terminal of transformer connects the input end of rectification filtering module, and described rectification filtering module output terminal is connected input end with the input end of DC/DC modular converter respectively and is connected with the second source module;
The output terminal of the DC/DC modular converter in described a plurality of battery module (1-N) is connected in series;
the output terminal of the described second source module in each battery module (1-N) is connected with digital power control module in this battery module, the input end of the described digital power control module in each battery module (1-N) all is connected with digital control module by the isolation module in this battery module (1-N), the output terminal of the described digital power control module in each battery module (1-N) is connected with DC/DC modular converter in this battery module (1-N), described digital power control module is accepted the step-down ratio digital signal of digital control module by the SPI communication, and this signal is converted to the step-down ratio that corresponding control signal is controlled the DC/DC modular converter,
Described the first power module input end is connected with isolation module output terminal in the 1st battery module (1), and the output terminal of described the first power module is connected with digital control module; The output terminal of the second source module in the 1st battery module (1) also is connected by the input end of isolation module with the first power module, and the voltage signal input of isolation is provided for the first power module;
Described digital control module also is connected with host computer.
2. power battery simulation system according to claim 1 is characterized in that:
the output terminal of the DC/DC modular converter in described a plurality of battery module (1-N) is connected in series the DC/DC modular converter output terminal noble potential that refers to N-1 battery module (N-1) and is connected with the DC/DC modular converter output terminal electronegative potential of N battery module (N), the DC/DC modular converter output terminal electronegative potential of N-1 battery module (N-1) is connected with the DC/DC modular converter output terminal noble potential of N-2 battery module (N-2), according to above-mentioned connected mode, until the electronegative potential of the DC/DC modular converter output terminal of the 2nd battery module (2) connects the noble potential of the DC/DC modular converter output terminal of the 1st battery module (1).
3. power battery simulation system according to claim 1 and 2 is characterized in that:
Described second source module is that the digital power control module in this battery module (1-N) provides operating voltage, and the first power module provides working power for described digital control module.
CN2011100726024A 2011-03-25 2011-03-25 Power battery simulation system Active CN102183984B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2011100726024A CN102183984B (en) 2011-03-25 2011-03-25 Power battery simulation system
PCT/CN2011/079236 WO2012129892A1 (en) 2011-03-25 2011-09-01 Power battery simulation system
BR112013013858A BR112013013858A2 (en) 2011-03-25 2011-09-01 battery energy simulation system

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Application Number Priority Date Filing Date Title
CN2011100726024A CN102183984B (en) 2011-03-25 2011-03-25 Power battery simulation system

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CN102183984A CN102183984A (en) 2011-09-14
CN102183984B true CN102183984B (en) 2013-05-08

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BR (1) BR112013013858A2 (en)
WO (1) WO2012129892A1 (en)

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CN103454572B (en) * 2012-05-30 2017-07-21 富泰华工业（深圳）有限公司 Battery analogue circuit
US9298867B2 (en) 2012-06-22 2016-03-29 GM Global Technology Operations LLC Modular system and method for simulating performance of an electrical device
CN103091638A (en) * 2013-01-10 2013-05-08 上海恒动汽车电池有限公司 Storage battery simulation system
CN103117665B (en) * 2013-02-27 2016-02-24 深圳市航盛电子股份有限公司 A kind of lithium ion battery module simulation system
CN103134963A (en) * 2013-03-01 2013-06-05 中航锂电（洛阳）有限公司 Detection voltage generating device providing simulation battery cell voltage for battery management system (BMS)
CN103954917B (en) * 2014-05-22 2016-08-24 山东大学 A kind of cell test simulator and implementation method
CN104035047B (en) * 2014-06-19 2017-01-04 上海科梁信息工程股份有限公司 Space power cell simulator and analogy method thereof
CN105807102A (en) * 2016-03-16 2016-07-27 北京新能源汽车股份有限公司 Circuit applied to battery management system and used for simulating voltages of battery cells and method
CN107632273A (en) * 2017-11-08 2018-01-26 衢州学院 Electrokinetic cell analogue means and Battery Management System for Hybrid Electric Vehicle testboard
CN109541491B (en) * 2018-11-27 2023-12-22 智新控制系统有限公司 Analog battery management system and battery voltage signal analog method

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Publication number Publication date
WO2012129892A1 (en) 2012-10-04
CN102183984A (en) 2011-09-14
BR112013013858A2 (en) 2016-09-13

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