本文選題：鋰電池組 + 能量總線��； 參考：《湖南大學(xué)》2016年碩士論文

【摘要】：鋰電池組是一個復(fù)雜的系統(tǒng),而現(xiàn)有的對電池組的管理也存在著諸多問題,不當(dāng)?shù)墓芾矸椒仍斐赡茉蠢蒙系木薮罄速M,還會嚴(yán)重縮短電池組的使用壽命。針對這種情況,本文結(jié)合信號總線的定義,利用“能量總線”的概念,設(shè)計了能量總線型的鋰電池組均衡管理系統(tǒng)。系統(tǒng)以基于ARM Cortex-M3內(nèi)核的STM32芯片作為處理器,配合外圍的功能電路,通過移植定制的μC/OS-Ⅱ操作系統(tǒng)實現(xiàn)多任務(wù)管理,同時配合功能軟件實現(xiàn)了系統(tǒng)功能。該系統(tǒng)能對鋰電池組進行高效的均衡管理,同時還能通過GPRS網(wǎng)絡(luò)將電池組的信息發(fā)送到服務(wù)器,從而能對電池進行大數(shù)據(jù)分析和對電池的健康狀況進行觀測。因GPRS網(wǎng)絡(luò)的覆蓋范圍幾乎遍及全國,并具有數(shù)據(jù)傳輸速率快、距離遠(yuǎn)、可靠性高等優(yōu)點,所以非常適合對電池組的遠(yuǎn)程監(jiān)測。本系統(tǒng)每隔一段時間就會對電池組中單體電池的電壓電流信息進行采集,然后通過微處理器芯片判斷鋰電池組的狀態(tài),而后確定系統(tǒng)是否需要均衡。同時系統(tǒng)將采集的信息按照一定的協(xié)議格式發(fā)送到遠(yuǎn)程的服務(wù)器上。本文在估算鋰電池組中的每個單體電池的剩余電量時,分析和對比了現(xiàn)有剩余電量的估算方法的優(yōu)缺點后,運用無損采樣點卡爾曼濾波法進行剩余電量的估算。在與服務(wù)器通信這部分,本文介紹了網(wǎng)絡(luò)連接的實現(xiàn)方法并制定了數(shù)據(jù)通信協(xié)議。本系統(tǒng)整體線路少,結(jié)構(gòu)簡單,利于標(biāo)準(zhǔn)化生產(chǎn)。經(jīng)測試,系統(tǒng)能夠?qū)崿F(xiàn)預(yù)期功能,可擴展性好,運行穩(wěn)定。
[Abstract]:Lithium battery is a complex system, and there are many problems in the management of battery group. Improper management methods not only cause great waste in energy utilization, but also shorten the life of battery pack. In this case, the concept of "energy bus" is used to design the concept of "energy bus". The balance management system of the lithium battery group based on the quantity bus. The system uses the STM32 chip based on the ARM Cortex-M3 kernel as the processor, matches the peripheral functional circuit and transplants the customized mu C/OS- II operating system to realize the multi task management. At the same time, the system functions with the functional software. The system can carry out the efficient balance of the lithium battery group. Management, at the same time, can also send the battery information to the server through the GPRS network, so that the battery can be analyzed in large data and the health of the battery is observed. Because the coverage of the GPRS network is almost all over the country, it has the advantages of fast data transmission rate, far distance and high dependability, so it is very suitable for the battery group. Remote monitoring. This system will collect the voltage and current information of the single cell in the battery group every other time, then determine the state of the lithium battery group by the microprocessor chip, and then determine whether the system needs to be balanced. Meanwhile, the system will send the collected information to the remote server according to a certain protocol format. When estimating the residual quantity of each single cell in the lithium battery group, after analyzing and comparing the advantages and disadvantages of the estimation method of the existing residual electricity, the residual quantity is estimated by using the lossless sampling point card method. In the part of the communication with the server, the realization method of the network connection is introduced and the data communication protocol is made. The system has fewer lines and simple structure, which is conducive to standardized production. After testing, the system can achieve the expected function, good scalability and stable operation.

【學(xué)位授予單位】：湖南大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2016
【分類號】：TM912
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本文編號：1791232