CN102411310A - Simulation method and device for automobile power battery - Google Patents
- ️Wed Apr 11 2012
CN102411310A - Simulation method and device for automobile power battery - Google Patents
Simulation method and device for automobile power battery Download PDFInfo
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- CN102411310A CN102411310A CN2011102148940A CN201110214894A CN102411310A CN 102411310 A CN102411310 A CN 102411310A CN 2011102148940 A CN2011102148940 A CN 2011102148940A CN 201110214894 A CN201110214894 A CN 201110214894A CN 102411310 A CN102411310 A CN 102411310A Authority
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Abstract
The invention relates to a method and a device for simulating a power battery of a new energy automobile, belongs to the field of new energy automobiles, and can be used for test verification and design improvement of a whole vehicle controller, a battery management system and a motor controller. The method comprises the following steps: the computer sends out simulation instructions of voltage, current, battery temperature and the like, and the power battery simulator outputs corresponding single voltage, total voltage, current and battery temperature. The device comprises: the power battery simulator, the computer and the software running on the computer, and the CAN (controller area network) communication interface. The power battery simulator comprises a temperature daughter board, a voltage daughter board, a current daughter board and a Microcontroller (MCU). The MCU is used for controlling the temperature output of the temperature daughter board, the voltage output of the voltage daughter board and the current output of the current daughter board, coordinating the work among the daughter boards, receiving a command message from the CAN communication interface and making corresponding actions; the computer software reads the whole vehicle working condition data in a fixed format and the manually edited data; the CAN communication interface is used for communication between the power battery simulator and the computer. The invention simulates the power battery, avoids the packaging of the power battery pack, saves the cost and improves the development efficiency of the controller.
Description
Technical field
The present invention relates to the new-energy automobile field, be specifically related to a kind of method and apparatus of simulating electrokinetic cell.
Background technology
No matter be PHEV or pure electric vehicle; The high voltage power battery is its core ingredient and to the management of high voltage power battery as power source; It is discharged and recharged safely and effectively; And with the work of other controller coordinates of car load, guaranteed that the stability of PHEV or pure electric vehicle work is heavy especially heavy.Worldwide is being greatly developed new forms of energy at present, shortens the construction cycle, could let the product of oneself gain the initiative.
In realizing process of the present invention, the inventor finds that there is following problem at least in prior art: the performance history of present new-energy automobile (comprising the electrokinetic cell parts) controller, mostly use electrokinetic cell in kind.Controller is directly received on the electrokinetic cell in kind, carries out controller exploitation checking and state of cyclic operation test, and cost is high, and development efficiency is low.
Summary of the invention
The object of the present invention is to provide a kind of analogy method and device of new-energy automobile electrokinetic cell, belong to the new-energy automobile field, can be used for the verification experimental verification and the design improvement of entire car controller, battery management system and electric machine controller.Said method comprises: sent dummy instructions such as voltage, electric current, battery temperature by computing machine, export corresponding monomer voltage, total voltage, electric current, cell temperature by the electrokinetic cell simulator.Said device comprises: electrokinetic cell simulator, computing machine and run on software, CAN (the Controller area network) communication interface on the computing machine.The electrokinetic cell simulator comprises temperature daughter board, voltage daughter board, electric current daughter board, microcontroller (MCU).MCU is used to control the temperature output of temperature daughter board, and the voltage output of voltage daughter board and the electric current output of electric current daughter board are coordinated the work between each daughter board simultaneously and received the command messages that is come by the CAN communication interface and make corresponding action; Computer software comprises the car load floor data that reads set form and the data of edit; The CAN communication interface is used for the communication between electrokinetic cell simulator and the computing machine.
Concrete technical scheme is following:
A kind of analogy method of automobile power cell, adopt following steps:
(1) computer software reads the work information of set form;
(2) computer software sends dummy instruction through the CAN communication interface and gives the electrokinetic cell simulator;
(3) by the electrokinetic cell simulator according to instruction simulation and output corresponding battery voltage, electric current and battery temperature.
Further, step (1) comprising: said computer software uses higher level lanquage C# exploitation, and wherein, the software simulation data resolution module reads the excel file of set form, parses electric current, voltage, temperature and corresponding duration; And become protocol format to the information package that is read through the communication protocol parsing module; CAN message is sent transmission and the reception of being responsible for agreement with read module.
Further, the CAN communication interface is a communication hardware topworks in the step (2), and it is used to send dummy instruction and gives the electrokinetic cell simulator.
Further; Step (3) comprising: after electrokinetic cell simulator MCU receives message from the CAN communication interface; According to protocol analysis message, draw voltage, electric current, the temperature value of simulation, control voltage daughter board, temperature daughter board and electric current daughter board respectively and produce correspondent voltage, temperature and current analog amount.
Further; Work information described in the step (1) comprises voltage, electric current, temperature and lasting simulated time information, and the communication protocol parsing module changes into the CAN message that the electrokinetic cell simulator can be resolved to the information that the simulated data parsing module reads by protocol format; CAN message is sent with read module and is responsible for sending the formative data of communication protocol parsing module.
Further, comprise the steps: in the step (3)
(3-1) the CAN message sent by the CAN communication interface according to protocol analysis of electrokinetic cell simulator CAN communication module; Electrical voltage point number and corresponding voltage numerical value that electrokinetic cell simulator MCU resolves according to the CAN communication module; Open voltage module in the voltage daughter board through code translator, and the output correspondent voltage of control voltage module;
(3-2) electrokinetic cell simulator MCU opens the thermal module in the temperature daughter board according to the temperature spot number and the corresponding temperature numerical value of the parsing of CAN communication module through code translator, and the thermal module output temperature analog quantity of control temperature daughter board;
(3-3) on current analog, the current value that electrokinetic cell simulator MCU resolves according to the CAN communication module, Control current daughter board output current analog quantity.
The analogue means of the analogy method of above-mentioned automobile power cell; Comprise electrokinetic cell simulator, computing machine and run on simulation softward, the CAN communication interface on the computing machine; Wherein, said simulation softward is used to read the car load floor data, and communicates by letter with the electrokinetic cell simulator; Said CAN communication interface is used to connect simulation softward and electrokinetic cell simulator; Said electrokinetic cell simulator is used for characteristics such as output electrokinetic cell correspondent voltage, electric current, temperature.
Further; Said electrokinetic cell simulator is responsible for communicating by letter with the CAN communication interface; According to protocol analysis CAN message; And control voltage daughter board, temperature daughter board, electric current daughter board respectively according to the result who resolves and produce correspondent voltage, temperature, electric current, it comprises temperature daughter board, voltage daughter board, electric current daughter board and microcontroller, it is used to control the temperature output of temperature daughter board; The electric current output of output of the voltage of voltage daughter board and electric current daughter board is coordinated the work between each daughter board simultaneously and is received the command messages that is come by the CAN communication interface and make corresponding action.
Further; Said computer software comprises simulated data parsing module, communication protocol parsing module and transmission of CAN message and read module; It is used to read the car load floor data of set form and the data of edit; The software simulation data resolution module reads the excel file of set form, parses electric current, voltage, temperature and corresponding duration; Become protocol format to the information package that is read through the communication protocol parsing module; CAN message is sent transmission and the reception of being responsible for agreement with read module.
Compare with present prior art, the present invention uses this simulation electrokinetic cell system, carries out controller exploitation checking and state of cyclic operation test, and cost is low, and development efficiency is high.
Description of drawings
Fig. 1 is the device synoptic diagram of the electrokinetic cell simulation system that provides in the embodiment of the invention 1;
Fig. 2 is the simulation softward synoptic diagram of the electrokinetic cell simulation system that provides in the embodiment of the invention 1;
Fig. 3 is the electrokinetic cell simulator figure of the electrokinetic cell simulation system that provides in the embodiment of the invention 1;
Embodiment
Describe the present invention according to accompanying drawing below, it is a kind of preferred embodiment in the numerous embodiments of the present invention.
Embodiment 1:
Referring to Fig. 1, the embodiment of the invention provides a kind of electrokinetic cell analogy method, and this method flow is specific as follows:
Step 101: the operation and the software on the computing machine 101 (figure one) that use the higher level lanquage exploitation; 1011 (figure two) read the work information of set form; Comprise voltage, electric current, temperature and lasting simulated time information, 1012 (figure two) change into the CAN message that the electrokinetic cell simulator can be resolved to 1011 information that read by protocol format; 1013 are responsible for sending 1012 formative data.
Step 102: computer software sends dummy instruction through CAN communication interface 102 and gives electrokinetic cell simulator 103;
Step 103: electrokinetic cell simulator CAN communication module 1033 (figure three) according to protocol analysis by the 102 CAN message sent; Electrical voltage point number Vn and corresponding voltage numerical value Vn that MCU1031 resolves according to CAN communication module 1033; Open in the voltage daughter board 1036 voltage module 1036a to 1036n through
code translator1034, and control voltage module 1036a is to the output correspondent voltage Vn of 1036n; Equally; Temperature spot number Tn and corresponding temperature numerical value Tn that MCU1031 resolves according to CAN communication module 1033; Open thermal module 1037a in the temperature daughter board 1037 to 1037n through
code translator1035, and the thermal module 1037a of control temperature daughter board 1037 is to 1037n output temperature analog quantity Tn; On current analog, the current value C that MCU1031 resolves according to CAN communication module 1033, Control current daughter board 1032 output current analog quantity C.
The method that the embodiment of the invention provides; Simulate the intrinsic numeric of electrokinetic cell flexibly through computer software; Issue the electrokinetic cell simulator through CAN communication again and carry out simulation; The loaded down with trivial details work of wasting time and energy such as group packing bag of electrokinetic cell have been avoided, to PHEV and the pure electric vehicle Vehicle Controller is developed and the raising of dependence test work efficiency is significant.
Embodiment 2:
In order to improve controller development efficiency, reduce cost of development, shorten the construction cycle.Case study on implementation of the present invention provides a kind of method and apparatus of simulating electrokinetic cell.Said technical scheme is following:
On the one hand, a kind of method of simulating electrokinetic cell is provided, said method comprises:
Use the operation of higher level lanquage exploitation and the software on the computing machine, read the work information of set form;
Computer software sends dummy instruction through the CAN communication interface and gives the electrokinetic cell simulator;
The electrokinetic cell simulator is according to instruction simulation electrokinetic cell voltage, electric current, temperature.
Wherein, use the operation of higher level lanquage exploitation and the software on the computing machine, read the work information of set form, specifically comprise:
Computer software uses higher level lanquage C# exploitation, and the software simulation data resolution module reads the excel file of set form, parses electric current, voltage, temperature and corresponding duration; Become protocol format to the information package that is read through the communication protocol parsing module; CAN message is sent transmission and the reception of being responsible for agreement with read module.
Further, the CAN communication interface is sent dummy instruction and is given the electrokinetic cell simulator, and the CAN communication interface is a communication hardware topworks.
In addition, said method also comprises:
The electrokinetic cell simulator specifically comprises according to instruction simulation electrokinetic cell voltage, electric current, temperature:
After electrokinetic cell simulator MCU receives message from communication interface,, draw voltage, electric current, the temperature value of simulation, control voltage daughter board, temperature daughter board and electric current daughter board respectively and produce correspondent voltage, temperature and current analog amount according to protocol analysis message.
On the other hand, a kind of electrokinetic cell analogue means is provided, said device comprises:
Simulation softward is used to read the car load floor data, and communicates by letter with the electrokinetic cell simulator;
The CAN communication interface is used to connect simulation softward and electrokinetic cell simulator;
The electrokinetic cell simulator is used for characteristics such as output electrokinetic cell correspondent voltage, electric current, temperature;
Wherein, simulation softward specifically comprises:
Simulated data parsing module, communication protocol parsing module, CAN message are sent and read module.
The software simulation data resolution module reads the excel file of set form, parses electric current, voltage, temperature and corresponding duration; Become protocol format to the information package that is read through the communication protocol parsing module; CAN message is sent transmission and the reception of being responsible for agreement with read module.
The electrokinetic cell simulator is used for characteristics such as output electrokinetic cell correspondent voltage, electric current, temperature.
Further, the electrokinetic cell simulator specifically comprises:
MCU is responsible for communicating by letter with the CAN communication interface, according to protocol analysis CAN message, and controls voltage daughter board, temperature daughter board, electric current daughter board generation correspondent voltage, temperature simulation amount, current analog amount respectively according to the result who resolves.The voltage daughter board is made up of a plurality of voltage modules; The voltage of the maximum 5 volts of minimum 0V of each voltage module ability output; 112 voltage modules of the maximum support of native system, the temperature daughter board is made up of a plurality of thermal modules, and each thermal module can output minimum-40 be spent temperature simulation amount (temperature of output and the fict temperature of the highest 60 degree; But analog quantity), 112 thermal modules of the maximum support of native system.
The beneficial effect that the technical scheme that the embodiment of the invention provides is brought is: through the characteristic of simulation electrokinetic cell, practiced thrift cost, improved development efficiency.
All or part of content in the technical scheme that above embodiment provides can realize that through software programming its software program is stored in the storage medium that can read, storage medium for example: the hard disk in the computing machine, CD or floppy disk.
Combine accompanying drawing that the present invention has been carried out exemplary description above; Obviously the concrete realization of the present invention does not receive the restriction of aforesaid way; As long as the various improvement of having adopted method design of the present invention and technical scheme to carry out; Or directly apply to other occasion without improvement, all within protection scope of the present invention.
Claims (9)
1. the analogy method of an automobile power cell is characterized in that, adopts following steps:
(1) computer software reads the work information of set form;
(2) computer software sends dummy instruction through the CAN communication interface and gives the electrokinetic cell simulator;
(3) by the electrokinetic cell simulator according to instruction simulation and output corresponding battery voltage, electric current and battery temperature.
2. the analogy method of automobile power cell as claimed in claim 1; It is characterized in that; Step (1) further comprises: said computer software uses higher level lanquage C# exploitation; Wherein, the software simulation data resolution module reads the excel file of set form, parses electric current, voltage, temperature and corresponding duration; And become protocol format to the information package that is read through the communication protocol parsing module; CAN message is sent transmission and the reception of being responsible for agreement with read module.
3. according to claim 1 or claim 2 the analogy method of automobile power cell is characterized in that the CAN communication interface is a communication hardware topworks in the step (2), and it is used to send dummy instruction and gives the electrokinetic cell simulator.
4. like the analogy method of each described automobile power cell among the claim 1-3; It is characterized in that; Step (3) further comprises: after electrokinetic cell simulator MCU receives message from the CAN communication interface; According to protocol analysis message, draw voltage, electric current, the temperature value of simulation, control voltage daughter board, temperature daughter board and electric current daughter board respectively and produce correspondent voltage, temperature and current analog amount.
5. like the analogy method of each described automobile power cell among the claim 1-4; It is characterized in that; Work information described in the step (1) comprises voltage, electric current, temperature and lasting simulated time information, and the communication protocol parsing module changes into the CAN message that the electrokinetic cell simulator can be resolved to the information that the simulated data parsing module reads by protocol format; CAN message is sent with read module and is responsible for sending the formative data of communication protocol parsing module.
6. like the analogy method of each described automobile power cell among the claim 1-5, it is characterized in that step further comprises the steps: in (3)
(3-1) the CAN message sent by the CAN communication interface according to protocol analysis of electrokinetic cell simulator CAN communication module; Electrical voltage point number and corresponding voltage numerical value that electrokinetic cell simulator MCU resolves according to the CAN communication module; Open voltage module in the voltage daughter board through code translator, and the output correspondent voltage of control voltage module;
(3-2) electrokinetic cell simulator MCU is according to the temperature spot number and the corresponding temperature numerical value of the parsing of CAN communication module, and the thermal module of opening in the temperature daughter board through code translator arrives, and the thermal module output temperature analog quantity of control temperature daughter board;
(3-3) on current analog, the current value that electrokinetic cell simulator MCU resolves according to the CAN communication module, Control current daughter board output current analog quantity.
7. like the analogue means of the analogy method of the said automobile power cell of claim 1-6; It is characterized in that; Comprise electrokinetic cell simulator, computing machine and run on simulation softward, the CAN communication interface on the computing machine; Wherein, said simulation softward is used to read the car load floor data, and communicates by letter with the electrokinetic cell simulator; Said CAN communication interface is used to connect simulation softward and electrokinetic cell simulator; Said electrokinetic cell simulator is used for characteristics such as output electrokinetic cell correspondent voltage, electric current, temperature.
8. like the analogue means of the analogy method of the said automobile power cell of claim 7; It is characterized in that; Said electrokinetic cell simulator is responsible for communicating by letter with the CAN communication interface, according to protocol analysis CAN message, and controls voltage daughter board, temperature daughter board, electric current daughter board generation correspondent voltage, temperature, electric current respectively according to the result who resolves; It comprises temperature daughter board, voltage daughter board, electric current daughter board and microcontroller; It is used to control the temperature output of temperature daughter board, and the voltage output of voltage daughter board and the electric current output of electric current daughter board are coordinated the work between each daughter board simultaneously and received the command messages that is come by the CAN communication interface and make corresponding action.
9. like the analogue means of the analogy method of claim 7 or 8 said automobile power cells; It is characterized in that; Said computer software comprises simulated data parsing module, communication protocol parsing module and transmission of CAN message and read module; It is used to read the car load floor data of set form and the data of edit, and the software simulation data resolution module reads the excel file of set form, parses electric current, voltage, temperature and corresponding duration; Become protocol format to the information package that is read through the communication protocol parsing module; CAN message is sent transmission and the reception of being responsible for agreement with read module.
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| CN2011102148940A CN102411310A (en) | 2011-07-29 | 2011-07-29 | Simulation method and device for automobile power battery |
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| CN103845805A (en) * | 2012-12-07 | 2014-06-11 | 苏州景昱医疗器械有限公司 | Doctor program control instrument with demonstration function and demonstration function achieving method |
| CN104850014A (en) * | 2015-05-27 | 2015-08-19 | 广东戈兰玛汽车系统有限公司 | A battery pack simulation method and battery pack simulation system |
| CN105319457A (en) * | 2014-08-05 | 2016-02-10 | 国家电网公司 | Battery simulator for simulating charging of electrical vehicle, battery simulation system for simulating charging of electrical vehicle and battery simulation method for simulating charging of electrical vehicle |
| CN106104289A (en) * | 2014-03-14 | 2016-11-09 | Avl里斯脱有限公司 | Accumulator simulator and the method being used for simulating accumulator |
| CN111880466A (en) * | 2020-07-28 | 2020-11-03 | 西门子（中国）有限公司 | Method for transmitting data from upper computer to programmable logic controller |
| CN112600700A (en) * | 2020-12-08 | 2021-04-02 | 航天科技控股集团股份有限公司 | Performance verification system based on Tbox new energy automobile platform |
| CN113378497A (en) * | 2021-06-15 | 2021-09-10 | 傲普(上海)新能源有限公司 | Data source simulation method suitable for BMS developer |
| CN115113062A (en) * | 2021-03-19 | 2022-09-27 | 华晨宝马汽车有限公司 | Signal simulators and systems for testing vehicles |
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| CN103845805A (en) * | 2012-12-07 | 2014-06-11 | 苏州景昱医疗器械有限公司 | Doctor program control instrument with demonstration function and demonstration function achieving method |
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| CN112600700A (en) * | 2020-12-08 | 2021-04-02 | 航天科技控股集团股份有限公司 | Performance verification system based on Tbox new energy automobile platform |
| CN115113062A (en) * | 2021-03-19 | 2022-09-27 | 华晨宝马汽车有限公司 | Signal simulators and systems for testing vehicles |
| CN113378497A (en) * | 2021-06-15 | 2021-09-10 | 傲普(上海)新能源有限公司 | Data source simulation method suitable for BMS developer |
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Application publication date: 20120411 |