New! Search for patents from more than 100 countries including Australia, Brazil, Sweden and more

CN202749476U - Intelligent electromobile battery management system - Google Patents

Intelligent electromobile battery management system Download PDF

Info

Publication number
CN202749476U
CN202749476U CN 201120510584 CN201120510584U CN202749476U CN 202749476 U CN202749476 U CN 202749476U CN 201120510584 CN201120510584 CN 201120510584 CN 201120510584 U CN201120510584 U CN 201120510584U CN 202749476 U CN202749476 U CN 202749476U
Authority
CN
China
Prior art keywords
module
battery
control module
management system
core
Prior art date
Application number
CN 201120510584
Other languages
Chinese (zh)
Inventor
周剑明
时庆春
周海峰
赵超
Original Assignee
南京华博科技有限公司
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
Priority to CN201120048503 priority Critical
Priority to CN201120048503.8 priority
Application filed by 南京华博科技有限公司 filed Critical 南京华博科技有限公司
Priority to CN 201120510584 priority patent/CN202749476U/en
Application granted granted Critical
Publication of CN202749476U publication Critical patent/CN202749476U/en

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage for electromobility
    • Y02T10/7005Batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage for electromobility
    • Y02T10/7038Energy storage management
    • Y02T10/7044Controlling the battery or capacitor state of charge
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies related to electric vehicle charging
    • Y02T90/16Information or communication technologies improving the operation of electric vehicles

Abstract

The utility model relates to an intelligent electromobile battery management system. A core control module is connected with N battery data acquisition modules through a K bus and is connected with a charging module, a battery pack monitoring module and a touch screen display system; a database management module, the battery pack monitoring module, a self-checking control module and an abnormal control module are provided; the battery data acquisition modules are provided with a plurality of battery data acquisition control chips; and the core control module is connected to a computer through a universal serial bus (USB) interface. The intelligent electromobile battery management system overcomes the defects that real-time and dynamic comparison cannot be performed in the past and the corresponding failure processing function and a mutual information platform are not provided. The intelligent electromobile battery management system realizes acquisition, state of charge (SOC) estimation, communication, balancing and insulation monitoring on data comprising voltage, current, temperature and the like of the battery, compares with each standard data in a database, establishes a dynamic comparison model and adopts a layered mode; the control module is in charge of voltage, current and temperature; and interaction with users and alarm are realized by the touch screen.

Description

智能电动车电池管理系统技术领域[0001] 本实用新型涉及一种电动车电池系统,特别涉及智能电动车电池管理系统。 Intelligent electric vehicle battery management system Technical Field [0001] The present invention relates to an electric vehicle battery system, particularly relates to a smart battery management system of an electric vehicle. 背景技术[0002] 随着电动汽车的发展,对作为动力的电池提出了更高的要求,即必须对电池(通常是电池组)的电压、电流、温度等进行管理。 [0002] With the development of electric vehicles, the battery-powered a higher requirement that the battery must (usually a battery) voltage, current, temperature, etc. are managed. [0003] 在本实用新型发明之前,针对铅酸和镍氢电池和锂电池的电动车电池管理系统(简称BMS)已经应用了。 [0003] In the invention, prior to the present invention, for a lead-acid and nickel-hydrogen batteries and lithium batteries of electric vehicle battery management system (BMS) it has been applied. 它存在着不具备数据存储功能,不能将当前电池组的测量数据与之前电池的状态和标准的电池状态进行实时、动态的对比,从而判断电池是否工作正常的缺陷,导致执行效率比较低,且缺少相应的故障处理功能。 It there does not have a data storage function, the state of the measurement data of the current of the battery pack before the battery and a standard battery state can not be performed in real time, dynamic contrast, to determine whether the battery is working properly the defects result in efficiency is relatively low, and the lack of appropriate fault handling. 之前的电动车电池管理系统对于普通使用者来说缺少一个交互的信息平台。 Before electric vehicle battery management system for the average user is the lack of an interactive information platform. 发明内容[0004] 本实用新型的目的就是要克服上述缺陷,设计一种智能电动车电池管理系统。 [0004] The object of the present invention is to overcome the above drawbacks, an intelligent design of electric vehicle battery management system. [0005] 本实用新型的技术方案是:[0006] 智能电动车电池管理系统,其主要技术特征在于核心控制模块经K总线连接N个电池数据采集模块,核心控制模块连接充电模块、电池组监测模块和触摸屏显示系统;所述的核心控制模块有数据库管理模块、电池组监测模块、自检控制模块、异常控制模块;所述的电池数据采集模块包含有多个电池数据采集控制芯片;所述核心控制模块接车身CAN总线至车载CAN总线设备;所述核心控制模块采用usb接口或RJ45接口连接到计算机。 [0005] The present invention technical solution: [0006] Smart electric vehicle battery management system, the main technical feature that the core of the control module via K bus N battery data acquisition module, a core control module charging module, battery pack monitoring and a touch screen display system module; core control module of the database management module, the battery monitoring module, control module self-test, the exceptional control module; said data acquisition module battery comprising a plurality of battery data acquisition and control chip; the the core body control module connected to the vehicle CAN bus CAN bus apparatus; the control module is connected to the core usb interface or RJ45 connector to the computer. [0007] 本实用新型的优点和效果在于除了实现对电池的电压、电流和温度等数据进行采集、SOC估算、实时通信、均衡、绝缘监测等功能,还实时的检测每一个电池单元的电压、电流和温度数据,并与数据库中的各个特性的标准数据进行比较,建立动态的对比模型。 [0007] The present invention has the advantages and effects in that in addition to achieving the battery voltage, current and temperature data acquisition, the SOC estimation, real-time communication, balanced, insulation monitoring and other functions, but also real-time detection of voltage of each battery cell, current and temperature data, and compared with the standard data characteristic of each database, create a dynamic model of the comparison. 如果采集的数据超过了数据库中标准值的±X% (X为根据当前温度和使用次数等数据计算得出),则通过智能异常处理系统控制相应动作。 If the data collected exceeds ± X% of the standard value database (X is calculated based on the current and temperature data obtained using the number of times), the abnormality handling control system operated by a respective intelligent. 每天对数据进行一次存储,在对电池运行情况进行检查时从数据库中调出数据提供参考。 Once daily for data storage, transfer the reference data from the database when the battery check operation. 由于采取了分层模式进行操作,核心控制模块主要负责进行逻辑判断,采集模块负责数据采集,控制模块负责电压、电流和温度的控制。 As a result of operating the stratified mode, the control module is mainly responsible for the core logic, acquisition module for data acquisition, the control module is responsible for controlling the voltage, current and temperature. 同时通过总线模式与电池充电模块进行通信智能控制电池组的放电和充电动作,并通过触摸屏的方式与使用者进行交互和报警。 Simultaneously charging the battery module via a communication bus intelligent control mode battery charging and discharging operation, and interact with the user by way of an alarm and a touch screen. [0008] 本实用新型的其他优点和效果将在下面继续说明。 [0008] Other advantages of the present invention and the effect continues to be described below. 附图说明[0009] 图I-本实用新型整体系统框架示意图。 BRIEF DESCRIPTION [0009] FIG I- frame of the present invention, a schematic diagram of the overall system. [0010] 图2——图I中电池数据采集模块的框架示意图。 [0010] FIG. 2-- FIG I frame data acquisition module battery of FIG. [0011] 图3——图2中电池监测总线的框架示意图。 [0011] The battery frame 2 of FIG. 3-- bus monitor schematic FIG. [0012] 图4——图I中电池管理系统核心控制模块的框架示意图。 [0012] I frame in the schematic diagram of FIG. 4-- battery management system core control module. [0013] 图5——图4中绝缘监测模块功能示意图。 [0013] FIG. 5-- FIG. 4 schematic functional insulation monitoring module. [0014] 图6——图4中触摸屏示意图。 [0014] FIG. 6-- touchscreen FIG. 4 FIG. [0015] 图7——本实用新型中电池使用寿命曲线示意图。 [0015] FIG. 7-- the present invention in a schematic view the battery life curve. 具体实施方式[0016] 下面结合附图对本实用新型作进一步描述:[0017] 如图I所示:[0018] 本实用新型包括电池管理系统核心控制模块(以下简称核心控制模块)和电池数据采集模块,核心控制模块和电池数据采集模块之间通过K总线进行通信,同时有N(N= 1,2.3...)个电池数据采集模块连接到电池管理系统核心控制模块,同时对N(N = 1,2,3...) 个电池组进行电压,电流,温度和内阻的检测。 DETAILED DESCRIPTION [0016] DRAWINGS The present invention is further described as: [0017] shown in FIG. I: [0018] The present invention includes a battery management system core control module (hereinafter referred to as core control module) and a battery data acquisition module, the control module between the core and a battery data acquisition module via a communication bus K, while N (N = 1,2.3 ...) data acquisition module battery connected to a battery management control system core module, while N (N = 1,2,3 ...) for detecting a battery voltage, current, temperature and internal resistance. 本发明采集MXN的电池阵列(M,N= 1,2,3...),这里我们以一个6 X 8的电池阵列为例,该电池阵列有8个电池组,每组有6节电池。 The present invention is an array of cells collected MXN (M, N = 1,2,3 ...), where we in a 6 X 8 array of cells as an example, the battery cell array has eight groups each 6 cells . 电池数据采集模块分4个采集板,每块采集板负责对2个电池组进行电压、电流,温度和内阻进行采集。 Data acquisition module battery divided into four acquisition board, each module board is responsible for the two battery voltage, current, temperature and the internal resistance acquisition. [0019] 如图2、图3所示:[0020] 电池数据采集模块采用飞思卡尔的型号为MC9S08AW32的单片机作为电池数据采集控制芯片,对电池数据的采集和与电池管理系统核心控制模块进行通信。 [0019] As shown in FIG 2, FIG. 3: [0020] The data acquisition module using the battery model MC9S08AW32 Freescale microcontroller chip as a battery data acquisition and control, data acquisition, and the battery with the battery management system core control module communication. 电池数据采集模块对单块电池数据采集方法;电池监测总线将6块电池的电压,电流和温度信息发送到电池数据采集模块,通过电池数据采集模块连接K总线,发送到电池管理系统核心控制模块。 Battery data acquisition module for single cell data collection method; BMS bus transmits six battery voltage, current and temperature information to the battery data acquisition module, connected to the K bus through the battery data acquisition module, transmitted to the battery management system core control module . 电池监测总线是以DALLAS公司生产的电池监测芯片DS2438为核心构成电池监测总线模块,通过增加隔离措施,将数据线由单线制改进为收、发两线制,并采用轮询方式与电池数据采集模块进行通信,每一个光电隔离模块都具有独立的地址码,其结构框图如图3所示。 Battery monitor bus is produced DALLAS DS2438 battery monitor chip core constituting the battery monitoring module bus, by increasing isolation, the data line is improved by a single system receives, sends the two-wire system, based on polling and the battery data acquisition a communication module, each module has an independent optical isolation address code, the structure diagram shown in Figure 3. 电池数据采集模块的电池数据采集控制芯片向电池检测总线发送一个地址码,则与地址码对应的电池检测芯片将电压、电流和温度数据通过电池检测总线发送到电池数据采集控制芯片。 Cell battery data acquisition and control chip sends a data acquisition module to the battery detect bus address code, address code corresponding to the battery voltage detection chip, current and temperature data transmitted to the battery by the battery data acquisition and control chips detect bus. [0021] 内阻测量采用交流压降内阻测量法,通过给电池施加一个固定频率和固定电流(目前一般使用IKHZ频率,50mA小电流),然后对其电压进行采样,经过整流、滤波等一系列处理后通过运放电路计算出该电池的内阻值。 [0021] AC resistance measuring resistance the voltage drop measurement, by applying a fixed frequency and a fixed current to the battery (IKHZ frequency generally used at present, a small current 50mA), and then its voltage is sampled, after rectification, filtering a after the series of processes is calculated by an operational amplifier circuit, the internal resistance of the battery. [0022] 电池数据采集控制芯片将由电池检测总线采集的电池电压、电流、温度和内阻数据存储在特定存储区中,当电池数据采集模块从K总线接收到电池管理系统核心控制模块的查询命令,则将存储在特定存储区中的电池参数信息通过K总线发送到电池管理系统核心控制模块。 [0022] The data acquisition and control cell chips battery voltage, current, temperature and the internal resistance of the battery detected by the storage of data collected during a particular bus storage area, when the battery data acquisition module receives from the K-bus to the battery management system core query command control module , battery parameters will be stored in the specific information storage area is transmitted to the battery management system kernel K via the bus control module. [0023] 核心控制模块主要负责实时的对4个电池数据采集模块通过K总线发送来的电池参数信息数据进行汇总分析,通过一个轻量级快速MySQL数据库,存储这些信息,并和数据库中的标准数据进行对比实时判断电池是否工作正常,通过车身CAN总线与整车系统即车载CAN总线设备进行通信(CAN为CONTROLLER AREANETffORK的缩写,指控制器局部网),智能控制充电机工作;主控芯片采用ARM9系列微处理器,移植适体剪裁的嵌入式Linux系统。 [0023] The core control module is mainly responsible for the real time data acquisition module battery 4 pooled and analyzed by K-bus data cell parameter information transmitted via a lightweight fast MySQL database, store the information, and the database, and standard real-time data comparison determines whether the battery is working properly, the vehicle-mounted device communicates CAN bus (CAN cONTROLLER AREANETffORK an abbreviation, referring controller Area network), the intelligent charger controls operated by the vehicle body CAN bus system, i.e.; master chip ARM9 family microprocessors, embedded Linux system suitable for transplant body cut. [0024] 如图4所示:[0025] 电池管理系统核心控制模块主要分为:电池组检测模块、自检控制模块、触摸屏显示模块、SOC估测模块、通信模块、异常控制模块和数据库管理模块。 [0024] As shown in FIG 4: [0025] The battery management system is divided into the core of the control module: module battery detection, self-test control module, the touch screen display module, the SOC estimation module, a communication module, database management, and exception control module module. [0026] 如图5所示:[0027] 电池组监测模块分为电池组参数采集ADC模块(ADC为Analog-to-Digital Converter的缩写,指模/数转换器或者模拟/数字转换器)和绝缘监测模块。 [0026] Figure 5: [0027] The battery monitoring module is divided into battery parameter acquisition ADC module (abbreviated as ADC Analog-to-Digital Converter, the fingerprint / digital converter or an analog / digital converter), and insulation monitoring module. 电池组参数采集ADC模块通过ADC转换电路获取每列电池组上电压、电流和温度值,并将这些数据送到自检控制模块和数据库管理模块。 ADC battery parameter acquisition module acquires the voltage, current and temperature values ​​for each battery pack by column ADC conversion circuit, and the self-test data to the control module and the database management module. 通过测量电动汽车直流母线与电底盘之间的电压,通过计算得到系统的绝缘电阻值来衡量电动车的绝缘情况。 To measure the insulation of the electric vehicle by measuring the voltage between the DC bus and an electric vehicle chassis electrical insulation resistance value calculated by the system. 高压绝缘系统原理框。 High voltage insulation system principle block. [0028] 设计动汽车的直流系统电压(即电池总电压)为U,待测的正、负母线与电底盘之间的绝缘电阻分别为Rp、Rn,正、负母线与电底盘之间的电压分别为Up、Un,则待测直流系统的等效模型,图中的虚线框内所示。 [0028] The design of movable vehicle DC system voltage (i.e. battery total voltage) of U, the measured positive and negative bus bars and the insulation resistance between the electrical chassis respectively Rp, Rn, positive, negative bus and the electrical chassis voltages are Up, Un, the DC equivalent model test system, shown within the dashed box in FIG. 图中Rcl、Rc2,为测量用的已知阻值的标准电阻。 FIG Rcl, Rc2, resistance is measured with a known standard resistance. 测量原理为:当开关S1、S2全部断开时,测量正、负母线与电底盘之间的电压分别为up、un由电路定律得到公式I。 Measurement principle: When the switches S1, S2 are all turned off, measuring positive and negative voltages between the bus and the electrical chassis up respectively, by the law of the formula to give UN circuit I. TT PO TT NO[0029] ^ = V公式I[0030] 当开关SI闭合、S2断开时,则在正母线与电底盘之间加入了标准偏置电阻尺测量正、负母线与电底盘之间的电压分别为Upp、Unp同样得到公式2。 TT PO TT NO [0029] ^ = V formula I [0030] When the switch SI is closed, S2 is disconnected, between the positive bus and the electrical resistance chassis inserted into a standard tape measure positive bias, negative bus line and the electrical chassis respectively between the voltage Upp, Unp equation 2 to obtain the same. [0031] ^ 公式2[0032] 由上述式联合求解得到公式3和公式4。 [0031] ^ Equation 2 [0032] Equation 3 and Equation 4 obtained by the above formula to solve joint. [0033] I 公式3\ U PQ * U pp J[0034] Rn = RjUpa*Ur.NP -二N° *Upp W 4V uPO u pp )[0035] 同样,绝缘电阻在以下两种情况也得到:[0036] (I) SI、S2全部断开和SI断开、S2闭合;[0037] (2) SI闭合、S2断开和SI断开、S2闭合。 [0033] I Equation 3 \ U PQ * U pp J [0034] Rn = RjUpa * Ur.NP - two N ° * Upp W 4V uPO u pp) [0035] Similarly, also the insulating resistance in the following two situations: [0036] (I) SI, S2 are all off and disconnected SI, S2 is closed; [0037] (2) SI is closed, S2 and SI OFF OFF, S2 is closed. [0038] 由上述计算公式得到绝缘电阻Rp或Rn,并发送到自检控制模块。 [0038] Insulation resistance Rp or Rn obtained by the calculation formula, and sent to the self-test control module. [0039] 如图4所示:[0040] SOC估测模块负责检测电池组荷电状态(State of Charge),即电池剩余电量。 [0039] As shown in FIG 4: [0040] SOC estimation module is responsible for detecting the battery state of charge (State of Charge), i.e., remaining battery power. SOC 估测模块通过接收电池数据采集模块检测的电池电压、电流和温度等参数,采用安时法对电池的SOC进行估测,通过对电流积分的方法记录从蓄电池输出的能量或者输入蓄电池的能量,再根据充放电的起始SOC状态,并在算法中考虑对电池的温度补偿、自放电和老化等多方面因素,对电池SOC值进行估算。 SOC estimation module data acquisition module battery by receiving the detected cell voltage, current, and temperature and other parameters, using the energy Ah method estimates SOC of the battery is performed, a recording energy output from the battery by a current integration method or the battery input , then according to the initial state of charging and discharging of the SOC, taking into account the temperature compensation algorithm in the battery, self-discharge, and aging and other factors, the SOC value of the battery estimated. 并将电池的剩余电量发送到触摸屏驱动模块,使电池的剩余电量显示在屏幕上。 And the battery remaining amount is transmitted to a touch screen driver module, the remaining battery power is displayed on the screen. [0041]自检控制模块负责检测数据库中的通过K总线实时接收的各个电池单元的数据, 同时接收电池组参数采集ADC模块和绝缘监测模块采集的参数数据,然后将这些数据与数据库中的标准数据进行实时、动态的对比,并建立动态的分析模型,判断出是否有过压、过流、温度过高和电池组漏电等异常。 [0041] Data of each battery cell self-test module is responsible for detecting control database and received in real time through the K-bus, while receiving the battery parameter data acquisition parameters and the ADC module insulation monitoring module collects, and then the data in the database standard data in real time, dynamic contrast, and create a dynamic model, it is determined whether there is an overvoltage, overcurrent, overheating and the like abnormal battery drain. 如果出现异常,则自检控制模块发出故障信号到异常控制模块,使相应的故障保护装置工作。 If an exception occurs, the self-test control module sends a signal to the abnormality control module fault, the corresponding fault protection apparatus work. 自检控制模块将这些异常的故障代码存储到数据库中。 These exceptions the self-test control module fault code stored in the database. 自检控制模块通过发送信号到触摸屏驱动模块,将错误信息显示在触摸屏的屏幕上,告知驾驶者,详细描述见触摸屏显示模块。 Self-test control module sends a signal to the touch screen driver module, an error message will be displayed on the screen of the touch screen to inform the driver, see the detailed description of the touch screen display module. [0042] 异常控制模块实现自动充电控制,均衡充电,过流、过压、过温保护和碰撞保护功能。 [0042] The exceptional control module for automatic control of the charge, the charge equalization, overcurrent, overvoltage, overtemperature protection and crash protection. 异常控制模块接收自检控制模块发送的异常操作命令并进行相应的保护措施。 Abnormality control module receives the control module abnormal operation of the self-test command sent and the corresponding protective measures. 其中自动充电控制和均衡充电功能实现在充电过程中,自检控制模块检测充电电压、电流和温度等数据,如果发现过压、过流和过温等信号,将错误信号发送到异常控制模块,对充电模块的充电电压或电流进行调节,对电池组的充电进行监控和保护。 Wherein the automatic equalizing charge and charge control function is implemented in the charging process, the self-test control module detects a charging voltage, current and temperature data, if found overvoltage, overcurrent and over-temperature signal, transmits an error signal to the abnormality control module, charging voltage or current charging module is adjusted to the rechargeable battery pack is monitored and protected. 过流、过压、过温保护功能在电池组放电过程中发现电压,电流或者温度过高时,能自动断开出现故障的电池组或调节电池组的输出功率等操作,达到保护电源和运行安全。 Over current, over voltage, over temperature protection discovered voltage, current, or the temperature is too high, battery failure can automatically adjust the output power of the battery pack or the like occurs in the disconnection operation of the battery discharge process, to protect the power supply and operating Safety. 碰撞保护功能用于在电动汽车在发生事故时及时断开整个电池组,防止因电池组出现意外事故。 Collision protection for electric vehicle battery pack in a timely manner off the entire time of the accident, to prevent accidents due to the battery pack. [0043] 系统数据管理模块是在嵌入式Linux系统中,使用轻量级快速的小型关系型数据库管理系统MySQL。 [0043] System data management module in the embedded Linux system, using lightweight fast small relational database management system MySQL. 电池数据采集模块通过K线将8列电池组每个电池单元的电压、电流、 温度等数据发送到电池管理系统核心控制模块,并将数据存储在MySQL数据库中;存储每列电池组的电压,电流和温度数据,记录电池的总体使用情况,为以后的电池检查维护提供参考;存储SOC估测模块每次估测的数据;存储每次自检控制模块发现故障的错误代码信息;记录每次冲电和放点的次数;记录每次过冲或过放的次数和原因。 Battery data acquisition module is sent via line 8 K each battery cell voltage, current, temperature and other data to the battery management system core control module, and store the data in a MySQL database; each column of the storage voltage of the battery pack, current and temperature data, recording the overall condition of the batteries, the battery check for future maintenance reference; SOC estimation module stores each estimated data; each self-check module to detect the error the error control code information; record every and the number of electrical impulse discharge point; overshoot or over-recorded for each frequency and reasons put. [0044] 通信模块包括CAN总线通信,K总线通信,USB通信和RJ45通信。 [0044] The communication module comprises a CAN bus communication, K communication bus, USB RJ45 communications and communications. 其中CAN总线实现其他车载设备之间通信。 CAN bus which enables communication between the other-vehicle device. K总线通信实现接收电池数据采集模块采集电池组的电压,电流,温度和内阻数据的功能。 Communication between the battery bus K receiving function data acquisition module battery voltage, current, resistance and temperature data. 管理端的数据通信。 Data communication management terminal. USB通信和RJ45通信实现与计算机电池管理软件进行通信。 USB and RJ45 communication to achieve communication to communicate with the computer's battery management software. [0045] 计算机控制软件实现使用USB或者RJ45等接口与计算机进行通信,通过自主研发的专用软件系统实现人机交互功能。 [0045] Computer software control interface such as a USB or RJ45 communicates with the computer, the function of interacting with a specific software developed in-house system. 计算机控制软件读取电池管理系统核心控制模块的数据库中存储的电池信息(包括电池性能的所有参数)和故障代码等参数,并对其进行数据备份。 Computer control software reads the battery management system battery information database stored in the core of the control module (including all parameters of the battery performance) and fault codes and other parameters, and subjected to data backup. 同时通过USB或RJ45通信方式将对充放电时间、充电电压、报警电压等参数的设置发送到电池管理系统核心控制模块。 RJ45 simultaneously via USB communication or setting parameters will charge and discharge time, charging voltage, battery warning voltage, etc. sent to the management system core control module. 计算机软件软件采用VC编程设计友好的人机界面,可以实现设置系统运行的各种参数;实现电池组数据的监控、数据转储和电池性能分析等功能; 显示报警信息,显示有问题的电池在电池组中的位置信息。 Computer software programmed software using VC friendly interface, various operating parameters of the system may be implemented; realized battery monitoring data, and battery performance data dump analysis and other functions; alarm information, the display cell in question location information of the battery pack. 在计算机软件中输入要设置的参数,点击设置后,参数通过USB通信或是RJ45通信发送至电池管理核心控制模块;读取电池管理系统核心控制模块的数据库中电池参数信息并在动态检测模块中显示出来。 Input parameters to be set in computer software, click settings, parameters transmitted to the battery management module through the USB communication control core or RJ45 communication; BMS read core database battery control module and a dynamic parameter information detection module display. [0046] 计算机控制软件根据电池管理核心控制模块的数据库中的电池历史数据,对电池的性能进行分析,包括电池健康状态和快充和慢充对电池状态的影响。 [0046] Computer software control according to the battery cell management database historical data in the core of the control module, analyzing the performance of the battery, comprising a battery health impact and fast charge and slow charge state of the battery. [0047] 如图I、图6所示:[0048] 触摸屏显示模块通过接收自检控制模块发送的电池的状态信息和SOC估测模块的电池电量信息,将这些数据通过图形界面的反映在显示屏幕上,通过声光等方式将电池组的信息告知给驾驶者。 [0047] FIG I, shown in Figure 6: [0048] Touch screen displays battery module status information transmitted by the control module receives the self-test information and the battery SOC estimation module, these data reflect the graphical interface on the display on the screen, sound and light, etc. the information of the battery pack to inform the driver. 在当SOC估测模块检测到电池电量不足时,SOC检测模块发送电量不足信息发送到自检控制模块,自检控制模块根据算法计算剩余电量和行驶的里程数,并发送信息到触摸屏驱动模块,在触摸屏上显示出来(通过文字和闪烁剩余电量的提示条)。 When the SOC estimation module when a low battery is detected, the detection module sends a low battery SOC information is transmitted to the control module self-test, self-test control module calculates mileage and remaining power in accordance with the algorithm, and transmits the information to the touch screen driver module, is displayed (flashing text and the remaining power by the prompt bar) on the touch screen. 当所有工作正常的电池单元都被标记为“绿色”,如果自检控制模块接收到一个或一组电池出现异常或故障信息,则在屏幕上显示出来:通过“黄色”表示电池状态异常;“红色”表示电池运行故障。 When all the work of the cell is marked as "green", if the control module receives a self-test or a group of battery abnormality or fault message, it is displayed on the screen: the "Yellow" indicating the battery status is abnormal; " red "indicates that the battery is running fault. [0049] 如图7所示:[0050] 电池健康状态实现对计算每个电池组或电池单元在不同使用次数是的SOC值,参考厂家给出的标准值判定一个电池或电池组工作的好坏。 [0049] Figure 7: [0050] The state of health of the battery is calculated to achieve each battery cell or battery is used at different times SOC value, a standard reference value given by the manufacturer determines a cell or battery of good work Bad. 3号曲线为提供的标准状态曲线, 假设当电池容量降低到15%时,也就是使用大概15到16百次的时候该电池需要更换了。 Standard condition curve to provide a curve 3, is assumed when the battery capacity is reduced to 15%, i.e. about 15 to 16 used a hundred times when the battery needs replacing. 如果电池在运行了15或16百次的容量指示线保持在最低电池合格容量线(即2号曲线部分)则认为该电池组或电池单元为合格的电池。 If the battery is running 15 or 16 hundred times the capacity of the battery at a minimum indication line passing capacity lines (i.e., the curve portion 2) is that the battery cells of the battery pack or the battery to be acceptable. 如果同一批电池的容量指示线都低于厂家公布的标准容量指示线,则通过使用本系统的学习功能,重新标定标准电池容量指示线和最低电池合格容量指示线。 If the same number of battery capacity indicator lines are lower than the manufacturers published standard capacity indicator line, by using the learning function of the system, re-calibrated standard battery capacity indicator line and the lowest qualified battery capacity indicator line. 如果关闭本发明的智能控制功能,经过试验电池的健康状态曲线明显低于标准电池健康曲线,如I号曲线所示。 If off intelligent control functions of the present invention, after the state of health of the test cell is significantly lower than the standard battery health profile curve, such as curve I, Fig. [0051 ] 本实用新型的应用过程说明。 [0051] The application process of the present invention will be described. [0052] 如图I所示:[0053] 电池数据采集模块实时检测电池的电压,电流和温度值,并将其送到电池管理系统核心控制模块中与数据库中的温度标准值进行对比,并通过核心控制模块自动对电池组进行检测和保护。 [0053] The voltage, current, and temperature of the battery in real-time data acquisition module battery is detected, and to compare it with the standard value of the temperature in the battery management system database core control module, and: [0052] I shown in FIG. automatically detecting and protecting the battery pack control module through the core. [0054] 如图2、图3和图4所示:[0055] 如果电压值超过设定的标准值范围,则首先降低电动车行驶的速度,以降低电池组的输出功率。 [0054] As shown in FIG 2, FIG. 3 and FIG. 4: [0055] if the voltage value exceeds the set standard value, the electric vehicle is first reduced driving speed to reduce the output power of the battery pack. 发送命令道电池数据采集模块,使其检测电池组的每个电池单元的电压、电流值,将电池数据采集模块检测的电流、电压值发送到电池管理系统核心控制模块与数据库中的设定值对比。 Transmitting ordered data acquisition module battery voltage, the current value of each battery cell so that the battery pack is detected, transmitting current battery data acquisition module detected voltage value to the set value of the battery management control system core and the database module Compared. 如果超出设定值的范围,则发送信号到异常控制模块,使过压、过流保护装置工作,将出现问题的电池单元从电池组中断路,将其隔离。 If the range exceeds the set value, an abnormal signal is sent to the control module, so that overvoltage, overcurrent protection device is operated, the problems arise from the battery cell group interrupted path, which is isolated. [0056] 如果电池出现温度过高时,首先降低电池组的输出功率,并启动电池散热装置。 [0056] occur if the battery temperature is too high, first reducing the output power of the battery pack, and the starting battery cooling device. 发送命令到电池数据采集模块,使其分别采集每一个电池单元的温度数据,并将所有温度数据发送到电池管理系统核心控制模块与数据库中的温度标准值进行对比。 Sends a command to the battery data acquisition module, so that the temperature data were collected from each of the battery cells, temperature data and transmits all to the battery management system core temperature module control standard value in the database for comparison. 当电池数据采集模块检测的温度已经高于设定值时,则发送信号到异常控制模块,使过温保护装置动作,将问题电池单元从电池组中断开。 When the battery data acquisition module has detected a temperature higher than the set value, an abnormal signal is sent to the control module, the operation of the over-temperature protection device, the problem is disconnected from the battery cell group. [0057] 如果内阻出现异常时,则发送命令到电池数据采集模块,使其分别采集每一个电池单元的电压,电流数据,计算出内阻值并发送到电池管理系统核心控制模块与数据库中的温度标准值进行对比。 [0057] If the resistance is abnormal, then sends a command to the battery data acquisition module, so were collected voltage and current data of each cell, the internal resistance is calculated and sent to the battery management system core and the database control module temperature standard value for comparison. 当内阻值的大小高于设定值时,则发送信号到异常控制模块,使内阻异常保护模块工作,将电池与电池组进行隔离。 When the size of the internal resistance value is higher than the set value, an abnormal signal is sent to the control module, the module protection abnormal internal resistance, the battery separator and a battery pack. [0058] 如图4所示:[0059] 电池组监测模块将电池组参数采集ADC模块采集的电池组每列电池的电压,电流和温度等数据发送到自检控制模块进行逻辑判断,之后自检控制模块发送信号到异常控制模块,如果电池组出现过压、过流和过温情况,则使用过压、过流、过温保护装置控制和保护电池组工作状态。 [0058] As shown in FIG 4: [0059] The battery monitoring module transmits battery parameter collection module collects the ADC battery voltage, current and temperature data in each column of the cell to self-test the control logic module determines, after self- the control module sends a signal to the subject an abnormal control module, if the battery pack overvoltage, overcurrent and overtemperature is used over voltage, over current, over-temperature protection device controls the operating state and protect the battery pack. [0060] 数据库管理模块实时存储通过K线发送来的电压、电流、内阻和温度数据。 [0060] The database management module via K-line real-time storage of the transmitted voltage, current, resistance and temperature data. SOC估测模块读取数据库管理模块中的这些数据,将SOC值的计算结果发送到自检控制模块并将结果存储在数据库管理模块中。 SOC estimation module to read the data in the database management module, and transmits the calculation result of the SOC value to the control module and the self-test results stored in the database management module. 数据库管理模块记录每次自检控制模块发现异常的信息, 可以在通过USB或RJ45接口与计算机进行通信。 Database management module records each self-check module control unusual discovery information, can communicate via USB or RJ45 interface with a computer. [0061] 如图5所示:[0062] 电池组监测模块中的绝缘监测模块采集检测电池组的绝缘情况,如果自检控制模块比较电池组监测模块发送的绝缘数据异常,则发送异常信号到异常控制模块,使断开电池组的装置动作,断开整个电池组。 [0061] Figure 5: [0062] The battery monitoring module insulation monitoring module collects the insulation of the battery pack is detected, the control module if the self test data comparing the insulating battery monitoring module sends an abnormality, an abnormality signal is sent to the exception control module, the operation of the device disconnecting the battery pack, the entire battery pack is disconnected. [0063] 如图6所示:[0064] 触摸屏驱动模块将出现问题的电池单元在触摸屏上显示为黄色,并发出声音提示驾驶者关注电池出现的故障。 [0063] Figure 6: [0064] The touch screen driver module problem appears in the cell on the touch screen display in yellow, and the sound indicates to the driver the failure of the battery of interest. 如果该电池单元无电压和电流输出,则直接标记为红色。 If the free cell voltage and current output, directly marked red.

Claims (8)

1.智能电动车电池管理系统,其特征在于核心控制模块经K总线连接N个电池数据采集模块,核心控制模块连接充电模块、电池组监测模块和触摸屏显示系统;所述的核心控制模块有数据库管理模块、电池组监测模块、自检控制模块、异常控制模块;所述的电池数据采集模块包含有多个电池数据采集控制芯片;所述核心控制模块接车身CAN总线至车载CAN总线设备;所述核心控制模块采用usb接口或RJ45接口连接到计算机。 1. Intelligent electric vehicle battery management system, characterized in that the central control module is connected to a bus K N battery data acquisition module, the core module charging control module, and a battery monitoring module touch screen display system; core control module of the database management module, the battery monitoring module, control module self-test, the exceptional control module; said data acquisition module battery comprising a plurality of battery data acquisition and control chip; the core body CAN bus control module connected to the vehicle CAN bus device; the said core control module is connected to the RJ45 interface usb interface or computer.
2.根据权利要求I所述的智能电动车电池管理系统,其特征在于分为电池管理系统核心控制模块和电池数据采集模块;所述电池管理系统核心控制模块与电池数据采集模块采用K总线连接。 The electric vehicle as claimed in claim smart battery management system of claim I, wherein the battery management system is divided into a core control module and a battery data acquisition module; the battery management control system core module and the battery data acquisition modules connected to a bus K .
3.根据权利要求I所述的智能电动车电池管理系统,其特征在于电池组监测模块中有绝缘监测模块和电池组参数采集ADC模块;所述绝缘监测模块与电池组绝缘模块连接;所述电池组参数采集ADC模块与电池组参数采集模块连接。 The smart battery management system of an electric vehicle according to claim I, wherein the battery monitoring module and the monitoring module insulating battery parameter acquisition ADC module; said insulating insulation monitoring module and the battery pack module; said ADC module battery parameter acquisition parameter collection module and the battery pack is connected.
4.根据权利要求I所述的智能电动车电池管理系统,其特征在于核心控制模块连接触摸屏显示系统;所述触摸屏显示系统与触摸屏连接。 The intelligent electric vehicle battery management system according to claim I, characterized in that the central control module touch screen display system; the touch screen is connected with the touch screen display system.
5.根据权利要求I所述的一种智能电动车电池管理系统,其特征在于核心控制模块中的有异常控制模块、SOC估测模块;所述异常控制模块连接充电模块、断开问题电路模块和断开电池组模块;所述的SOC估测模块连接自检控制模块和数据库管理模块。 The electric vehicle an intelligent battery management system according to claim I, characterized in that the core of the control module the control module is abnormal, the SOC estimation module; said control module abnormal charging module, the circuit module issues disconnect and disconnecting the battery pack module; SOC estimation module connected to said self-test module control module and database management.
6.根据权利要求I所述的智能电动车电池管理系统,其特征在于核心控制模块中的数据库管理模块有小型MySQL数据库;所述小型MySQL数据库与K总线、SOC估测模块,USB通信模块和RJ45通信模块连接;所述的数据库存放标准数据,所述的MySQL数据库存放监测到的电池数据。 The smart battery management system of an electric vehicle according to claim I, characterized in that the core of the control module with a small database management module MySQL database; MySQL database and a small K-bus, the SOC estimation module, USB communication module and RJ45 communication module; said database storing standard data, the MySQL database stored monitored battery data.
7.根据权利要求5所述的电池管理系统核心控制模块,其特征在于有自检控制模块; 所述自检控制模块连接CAN通信模块、触摸屏驱动模块、异常控制模块和数据库管理模块。 The battery management system of the central control module as claimed in claim 5, characterized in that the self-test control module; self diagnosis control module CAN communication module, a touch screen driver module, control module and abnormal database management module.
8.根据权利要求3所述的智能电动车电池管理系统,其特征在于绝缘监测模块中绝缘电阻测量模块是正、负母线与电底盘之间的绝缘电阻分别为Rp、Rn,Rp、Rn两端分别经开关S1、S2 并联Rcl、Rc2。 8. The intelligent electric vehicle battery management system according to claim 3, characterized in that the insulation monitoring module insulation resistance measurement module is positive, negative insulation resistance between the bus bar and the chassis are electrically Rp, Rn, Rp, Rn ends respectively, via switch S1, S2 parallel Rcl, Rc2.
CN 201120510584 2011-02-25 2011-11-24 Intelligent electromobile battery management system CN202749476U (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201120048503 2011-02-25
CN201120048503.8 2011-02-25
CN 201120510584 CN202749476U (en) 2011-02-25 2011-11-24 Intelligent electromobile battery management system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201120510584 CN202749476U (en) 2011-02-25 2011-11-24 Intelligent electromobile battery management system

Publications (1)

Publication Number Publication Date
CN202749476U true CN202749476U (en) 2013-02-20

Family

ID=47708834

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201120510584 CN202749476U (en) 2011-02-25 2011-11-24 Intelligent electromobile battery management system

Country Status (1)

Country Link
CN (1) CN202749476U (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103259246A (en) * 2013-05-28 2013-08-21 南京海勇电子科技有限公司 Circuit protector for electric vehicle
CN103568863A (en) * 2013-11-15 2014-02-12 合肥国轩高科动力能源股份公司 Real-time monitoring diagnostic system and diagnostic method for electromobile battery management system
CN103730929A (en) * 2013-12-19 2014-04-16 广西科技大学 Management method for plumbic acid power battery
CN103840224A (en) * 2014-03-25 2014-06-04 冯相如 Extensible type lithium battery management system for electric car
CN104009512A (en) * 2013-02-25 2014-08-27 波音公司 Battery module system
CN104167800A (en) * 2014-09-02 2014-11-26 安徽工程大学 Lithium battery management system and method capable of expanding communication standby power supply
CN105181350A (en) * 2015-09-21 2015-12-23 深圳市家信信息科技开发有限公司 Intelligent bicycle detection system based on bus
CN105337364A (en) * 2015-11-27 2016-02-17 宁波市北仑海伯精密机械制造有限公司 Power management system for electric ship and management method thereof
CN105644383A (en) * 2015-12-30 2016-06-08 东莞市青麦田数码科技有限公司 Rechargeable battery management method and device
CN105743139A (en) * 2014-12-08 2016-07-06 上海航天有线电厂有限公司 Rail transit intelligent high-voltage charger based on touch screen
CN106786836A (en) * 2016-11-22 2017-05-31 天津梦琪科技有限公司 Electric quantity management display system for electric vehicle battery

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104009512A (en) * 2013-02-25 2014-08-27 波音公司 Battery module system
US9484604B2 (en) 2013-02-25 2016-11-01 The Boeing Company Battery module system
US10141613B2 (en) 2013-02-25 2018-11-27 The Boeing Company Battery module system
CN103259246B (en) * 2013-05-28 2016-09-07 南京海勇电子科技有限公司 An electric vehicle with a circuit breaker
CN103259246A (en) * 2013-05-28 2013-08-21 南京海勇电子科技有限公司 Circuit protector for electric vehicle
CN103568863B (en) * 2013-11-15 2016-01-20 合肥国轩高科动力能源有限公司 Real-time monitoring and diagnosis system of electric vehicle battery management systems and diagnostic methods
CN103568863A (en) * 2013-11-15 2014-02-12 合肥国轩高科动力能源股份公司 Real-time monitoring diagnostic system and diagnostic method for electromobile battery management system
CN103730929A (en) * 2013-12-19 2014-04-16 广西科技大学 Management method for plumbic acid power battery
CN103840224A (en) * 2014-03-25 2014-06-04 冯相如 Extensible type lithium battery management system for electric car
CN103840224B (en) * 2014-03-25 2016-03-09 冯相如 Scalable lithium battery management system for electric vehicles
CN104167800A (en) * 2014-09-02 2014-11-26 安徽工程大学 Lithium battery management system and method capable of expanding communication standby power supply
CN105743139A (en) * 2014-12-08 2016-07-06 上海航天有线电厂有限公司 Rail transit intelligent high-voltage charger based on touch screen
CN105181350A (en) * 2015-09-21 2015-12-23 深圳市家信信息科技开发有限公司 Intelligent bicycle detection system based on bus
CN105337364A (en) * 2015-11-27 2016-02-17 宁波市北仑海伯精密机械制造有限公司 Power management system for electric ship and management method thereof
CN105644383A (en) * 2015-12-30 2016-06-08 东莞市青麦田数码科技有限公司 Rechargeable battery management method and device
CN106786836A (en) * 2016-11-22 2017-05-31 天津梦琪科技有限公司 Electric quantity management display system for electric vehicle battery

Similar Documents

Publication Publication Date Title
CN201117742Y (en) Lithium ion dynamic batteries administrative system
US20080074082A1 (en) Battery management system and method
CN101141012A (en) Collective and distributive type power batteries dynamic equilibria management system
CN101499672A (en) Battery system for vehicle, on-vehicle battery module, and cell controller
CN101078750A (en) Vehicle mounted battery monitor system
CN101692583A (en) Battery management system for pure electric bus
CN102088118A (en) Battery management system, electric vehicle and state-of-charge estimation method
CN101976867A (en) Special power battery management system for electric vehicle and implementation method thereof
CN201821092U (en) Protective circuit for lithium power battery packs
CN102231546A (en) Battery management system with balanced charge and discharge functions and control method thereof
CN101762800A (en) Battery managing system testing platform
CN102044718A (en) Power lithium iron phosphate battery pack management system for electric automobiles and working method of system
CN101966820A (en) On-line monitoring method for self-adaptively correcting lithium ion battery state-of-charge
CN2890947Y (en) Power battery management system for hybrid electric vehicle
CN201360156Y (en) Charging and discharging management system for improving safety and service life of series-connected battery set
CN101362427A (en) Cell management system of electric automobile
CN102738525A (en) Battery management system of vehicle-mounted lithium power battery
CN201781037U (en) Battery management system of electric automobile
CN101551445A (en) Power lithium cell collection system for electric automobile and collection control method
JPH1014003A (en) Information transmitter for battery mounted on vehicle
JP2009081078A (en) Storage battery storing device and storage battery storing method
CN101782629A (en) Battery system monitoring method and device based on OBD-II
CN1896892A (en) Management system of power battery for mixed-power automobile
CN202330597U (en) Detection device of battery management system
CN101109789A (en) Intelligent analyzing test bench for performance of electric car storage battery

Legal Events

Date Code Title Description
C14 Granted