CN205507046U - Lithium ion battery electric quantity monitoring system - Google Patents
Lithium ion battery electric quantity monitoring system Download PDFInfo
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Abstract
本实用新型主要涉及一种监测系统，更具体地，涉及一种锂离子电池电量监测系统。锂离子电池电量监测系统包括控制器、锂离子电池、模拟量采集模块、电量检测模块、I2C总线、按键模块、显示模块、驱动电路、存储模块、实时时钟电路、报警模块，锂离子电池的输出端连接着模拟量采集模块的输入端，模拟量采集模块的输出端连接着电量检测模块的输入端，电量检测模块通过I2C总线与控制器进行连接；所述按键模块的输出端连接着控制器的输入端，驱动电路的输入端连接着控制器的输出端，显示模块的输入端连接着驱动电路的输出端，存储模块连接着控制器，实时时钟电路的输入端连接着控制器的输出端，报警模块的输入端连接着控制器的输出端。
The utility model mainly relates to a monitoring system, in particular to a lithium-ion battery power monitoring system. Lithium-ion battery power monitoring system includes controller, lithium-ion battery, analog quantity acquisition module, power detection module, I2C bus, key module, display module, drive circuit, storage module, real-time clock circuit, alarm module, output of lithium-ion battery connected to the input of the analog acquisition module, the output of the analog acquisition module is connected to the input of the power detection module, and the power detection module is connected to the controller through the I2C bus; the output of the button module is connected to the controller The input terminal of the drive circuit is connected to the output terminal of the controller, the input terminal of the display module is connected to the output terminal of the drive circuit, the storage module is connected to the controller, and the input terminal of the real-time clock circuit is connected to the output terminal of the controller , the input terminal of the alarm module is connected with the output terminal of the controller.
Description
技术领域technical field
本实用新型主要涉及一种监测系统，更具体地说，涉及一种锂离子电池电量监测系统。The utility model mainly relates to a monitoring system, more specifically, relates to a lithium ion battery power monitoring system.
背景技术Background technique
锂离子电池与其他种类的电池相比有着诸多优势，已经成为我们日常生活中必不可少的一部分。在使用锂离子电池的过程中，我们常会考虑还剩多少电量的问题，但是又找不到好的电量监测方法，因此，锂离子电池电量监测系统应运而生，该监测系统可以满足我们日常生活中对锂离子电池电量监测的需求，以全面掌握锂离子电池的电量状态。Lithium-ion batteries have many advantages over other types of batteries and have become an essential part of our daily lives. In the process of using lithium-ion batteries, we often consider how much power is left, but we can't find a good power monitoring method. Therefore, a lithium-ion battery power monitoring system has emerged as the times require. This monitoring system can meet our daily needs. In order to fully understand the demand for lithium-ion battery power monitoring in order to fully grasp the power status of lithium-ion batteries.
发明内容Contents of the invention
本实用新型主要解决的技术问题是提供一种锂离子电池电量监测系统，其结构简单，检测精度高，整体性能良好稳定，增强用户交互界面，使操作简便。The technical problem mainly solved by the utility model is to provide a lithium-ion battery power monitoring system, which has a simple structure, high detection accuracy, good and stable overall performance, enhanced user interaction interface, and easy operation.
为解决上述技术问题，本实用新型一种锂离子电池电量监测系统包括控制器、锂离子电池、模拟量采集模块、电量检测模块、I2C总线、按键模块、显示模块、驱动电路、存储模块、实时时钟电路、报警模块，其结构简单，检测精度高，整体性能良好稳定，增强用户交互界面，使操作简便。In order to solve the above technical problems, a lithium-ion battery power monitoring system of the present invention includes a controller, a lithium-ion battery, an analog quantity acquisition module, a power detection module, an I2C bus, a button module, a display module, a drive circuit, a storage module, a real-time The clock circuit and alarm module have simple structure, high detection accuracy, good and stable overall performance, enhanced user interaction interface, and easy operation.
其中，所述锂离子电池的输出端连接着模拟量采集模块的输入端；所述模拟量采集模块的输出端连接着电量检测模块的输入端；所述电量检测模块的输出端连接着I2C总线的输入端；所述I2C总线连接着控制器；所述按键模块的输出端连接着控制器的输入端；所述驱动电路的输入端连接着控制器的输出端；所述显示模块的输入端连接着驱动电路的输出端；所述存储模块连接着控制器；所述实时时钟电路的输入端连接着控制器的输出端；所述报警模块的输入端连接着控制器的输出端。Wherein, the output end of the lithium-ion battery is connected to the input end of the analog quantity acquisition module; the output end of the described analog quantity acquisition module is connected to the input end of the electric quantity detection module; the output end of the described electric quantity detection module is connected to the I2C bus The input end of the controller; the I2C bus is connected to the controller; the output end of the button module is connected to the input end of the controller; the input end of the drive circuit is connected to the output end of the controller; the input end of the display module The output end of the drive circuit is connected; the storage module is connected with the controller; the input end of the real-time clock circuit is connected with the output end of the controller; the input end of the alarm module is connected with the output end of the controller.
作为本实用新型的进一步优化，本实用新型一种锂离子电池电量监测系统所述控制器采用W78E365单片机。As a further optimization of the utility model, the controller of a lithium ion battery power monitoring system of the utility model adopts a W78E365 single-chip microcomputer.
作为本实用新型的进一步优化，本实用新型一种锂离子电池电量监测系统所述电量检测模块采用BQ2040。As a further optimization of the utility model, the battery detection module of a lithium-ion battery power monitoring system of the utility model adopts BQ2040.
作为本实用新型的进一步优化，本实用新型一种锂离子电池电量监测系统所述驱动电路采用TM1629。As a further optimization of the utility model, the driving circuit of a lithium-ion battery power monitoring system of the utility model adopts TM1629.
作为本实用新型的进一步优化，本实用新型一种锂离子电池电量监测系统所述显示模块采用LED显示。As a further optimization of the utility model, the display module of the lithium-ion battery power monitoring system of the utility model adopts LED display.
作为本实用新型的进一步优化，本实用新型一种锂离子电池电量监测系统所述存储模块采用24C64。As a further optimization of the utility model, the storage module of a lithium-ion battery power monitoring system of the utility model adopts 24C64.
作为本实用新型的进一步优化，本实用新型一种锂离子电池电量监测系统所述实时时钟电路采用DS1302。As a further optimization of the utility model, the real-time clock circuit of a lithium-ion battery power monitoring system of the utility model adopts DS1302.
作为本实用新型的进一步优化，本实用新型一种锂离子电池电量监测系统所述模拟量采集模块包括传感器和测量电路。As a further optimization of the utility model, the analog quantity acquisition module of the lithium-ion battery power monitoring system of the utility model includes a sensor and a measurement circuit.
控制效果：本实用新型一种锂离子电池电量监测系统，其结构简单，检测精度高，整体性能良好稳定，增强用户交互界面，使操作简便。Control effect: The utility model is a lithium-ion battery power monitoring system, which has simple structure, high detection accuracy, good and stable overall performance, enhanced user interaction interface, and easy operation.
附图说明Description of drawings
下面结合附图和具体实施方法对本实用新型做进一步详细的说明。Below in conjunction with accompanying drawing and specific implementation method, the utility model is described in further detail.
图1为本实用新型一种锂离子电池电量监测系统的硬件结构图。Fig. 1 is a hardware structural diagram of a lithium-ion battery power monitoring system of the present invention.
图2为本实用新型一种锂离子电池电量监测系统的单片机电路原理图。Fig. 2 is a circuit schematic diagram of a single-chip microcomputer of a lithium-ion battery power monitoring system of the present invention.
图3为本实用新型一种锂离子电池电量监测系统的实时时钟电路原理图。FIG. 3 is a schematic diagram of a real-time clock circuit of a lithium-ion battery power monitoring system of the present invention.
图4为本实用新型一种锂离子电池电量监测系统的驱动显示电路原理图。FIG. 4 is a schematic diagram of a drive display circuit of a lithium-ion battery power monitoring system of the present invention.
图5为本实用新型一种锂离子电池电量监测系统的存储电路原理图。FIG. 5 is a schematic diagram of a storage circuit of a lithium-ion battery power monitoring system of the present invention.
具体实施方式detailed description
具体实施方式一：Specific implementation mode one:
结合图1、2、3、4、5说明本实施方式，本实施方式所述一种锂离子电池电量监测系统包括控制器、锂离子电池、模拟量采集模块、电量检测模块、I2C总线、按键模块、显示模块、驱动电路、存储模块、实时时钟电路、报警模块，其结构简单，检测精度高，整体性能良好稳定，增强用户交互界面，使操作简便。This embodiment is described in conjunction with Figures 1, 2, 3, 4, and 5. A lithium-ion battery power monitoring system described in this embodiment includes a controller, a lithium-ion battery, an analog quantity acquisition module, a power detection module, an I2C bus, and a button The module, display module, drive circuit, storage module, real-time clock circuit, and alarm module have simple structure, high detection accuracy, good and stable overall performance, enhanced user interface, and easy operation.
其中，所述锂离子电池的输出端连接着模拟量采集模块的输入端，模拟量采集模块用于采集锂离子电池的模拟量参数。Wherein, the output end of the lithium-ion battery is connected to the input end of the analog quantity acquisition module, and the analog quantity acquisition module is used to acquire the analog quantity parameters of the lithium-ion battery.
所述模拟量采集模块的输出端连接着电量检测模块的输入端，模拟量采集模块用于采集锂离子电池的模拟量参数，并将所采集的模拟参数量传送给电量检测模块。The output end of the analog quantity acquisition module is connected to the input end of the electric quantity detection module, and the analog quantity acquisition module is used for collecting the analog quantity parameters of the lithium-ion battery, and transmits the collected analog quantity parameters to the electric quantity detection module.
所述电量检测模块的输出端连接着I2C总线的输入端，电量检测模块用于根据采集到的参数，对锂离子电池的电量进行检测与计算，并将计算结果通过I2C总线传送给控制器。The output end of the power detection module is connected to the input end of the I2C bus, and the power detection module is used to detect and calculate the power of the lithium-ion battery according to the collected parameters, and transmit the calculation result to the controller through the I2C bus.
所述I2C总线连接着控制器，I2C总线用于连接电量检测模块与控制器。The I2C bus is connected to the controller, and the I2C bus is used to connect the power detection module and the controller.
所述按键模块的输出端连接着控制器的输入端，按键模块用于将所需键入的信息指令传送给控制器。The output end of the key module is connected to the input end of the controller, and the key module is used to transmit the information instruction to be entered to the controller.
所述驱动电路的输入端连接着控制器的输出端，控制器用于将驱动指令信号传送给驱动电路。The input end of the driving circuit is connected to the output end of the controller, and the controller is used to transmit the driving instruction signal to the driving circuit.
所述显示模块的输入端连接着驱动电路的输出端，驱动电路用于驱动显示模块，显示模块用于显示被测锂离子电池的剩余电量信息。The input end of the display module is connected to the output end of the drive circuit, the drive circuit is used to drive the display module, and the display module is used to display the remaining power information of the lithium-ion battery under test.
所述存储模块连接着控制器，存储模块用于存储和传输控制器的处理数据。The storage module is connected to the controller, and the storage module is used for storing and transmitting the processing data of the controller.
所述实时时钟电路的输入端连接着控制器的输出端，实时时钟电路用于存储定时读取测锂离子电池电量时对应的时间。The input end of the real-time clock circuit is connected to the output end of the controller, and the real-time clock circuit is used for storing the corresponding time when reading the lithium-ion battery power regularly.
所述报警模块的输入端连接着控制器的输出端，控制器用于将检测到的异常信号发送给报警模块，报警模块用于及时做出声光报警提示。The input end of the alarm module is connected to the output end of the controller, the controller is used to send the detected abnormal signal to the alarm module, and the alarm module is used to make sound and light alarm prompts in time.
具体实施方式二：Specific implementation mode two:
结合图1、2、3、4、5说明本实施方式，所述控制器采用W78E365单片机。所述W78E365单片机是带有在线编程(In System Program)功能的低功耗8位微控制器。既含有主ROM，同时也带有从ROM；既含有片内RAM，同时也带有从RAM。W78E365单片机具有高速和高可靠性，其I/O口功能强、驱动能力大，并且低功耗。同时具有程序保护性好等诸多有点，当用户写入了程序后，单片机会对其进行数据保护，使用户编写的程序不被读出，防止用户的成果被窃取。This embodiment will be described with reference to Figures 1, 2, 3, 4, and 5. The controller uses a W78E365 single-chip microcomputer. The W78E365 single-chip microcomputer is a low-power 8-bit microcontroller with an in-system programming (In System Program) function. It contains both main ROM and slave ROM; it contains both on-chip RAM and slave RAM. W78E365 single-chip microcomputer has high speed and high reliability, its I/O port has strong functions, large driving capacity, and low power consumption. At the same time, it has many advantages such as good program protection. When the user writes the program, the MCU will protect its data, so that the program written by the user will not be read out, preventing the user's achievements from being stolen.
具体实施方式三：Specific implementation mode three:
结合图1、2、3、4、5说明本实施方式，所述电量检测模块采用BQ2040，所述BQ2040芯片内置了温度传感器，它通过内置的温度传感器和内部计数器来估算被测锂离子电池的放电程度，放电的同时还可以根据温度需要进行温度补偿，并且能够通过锂离子电池的放电周期，校准锂离子电池的实际容量，外接内部写有初始化程序的EEPROM，负责控制电池的管理工作，串口和外部EEPROM可以用来编程。1, 2, 3, 4, and 5 illustrate this embodiment. The power detection module uses BQ2040, and the BQ2040 chip has a built-in temperature sensor. It estimates the temperature of the lithium-ion battery under test through the built-in temperature sensor and internal counter. Discharge degree, temperature compensation can also be performed according to the temperature during discharge, and the actual capacity of the lithium-ion battery can be calibrated through the discharge cycle of the lithium-ion battery. The external EEPROM with the initialization program written inside is responsible for controlling the management of the battery. Serial port and external EEPROM can be used to program.
具体实施方式四：Specific implementation mode four:
结合图1、2、3、4、5说明本实施方式，所述驱动电路采用TM1629，所述TM1629是一款专业LED驱动控制的芯片，支持驱动的点数较多，其内部集成了串行接口、RC振荡器、键盘扫描存储单元、命令译码器、显示存储器、辉度调节器、断锁存器、段驱动器等部分，已经被广泛应用于各种驱动电路中，特别是专用于驱动控制LED数码显示输出。1, 2, 3, 4, 5 to illustrate this embodiment, the drive circuit uses TM1629, the TM1629 is a professional LED drive control chip, supports a large number of drive points, and its internal integrated serial interface , RC oscillator, keyboard scanning storage unit, command decoder, display memory, brightness adjuster, off latch, segment driver and other parts have been widely used in various drive circuits, especially for drive control LED digital display output.
具体实施方式五：Specific implementation mode five:
结合图1、2、3、4、5说明本实施方式，所述显示模块采用LED显示，所述LED数码管作为输出显示部分，将系统检测出的锂离子电池剩余电量数码显示出来。1, 2, 3, 4, 5 to illustrate this embodiment, the display module uses LED display, and the LED digital tube is used as an output display part to digitally display the remaining power of the lithium-ion battery detected by the system.
具体实施方式六：Specific implementation method six:
结合图1、2、3、4、5说明本实施方式，所述存储模块采用24C64，所述24C64芯片的主要功能是数据的存储及传输，24C64芯片能重复擦写一百万次以上，并且在其内部已经存储成功的数据能够长期保持，时间达一百年之久。1, 2, 3, 4, 5 illustrate this embodiment, the storage module uses 24C64, the main function of the 24C64 chip is data storage and transmission, the 24C64 chip can be repeatedly erased and written more than one million times, and The data that has been successfully stored in it can be kept for a long time, up to a hundred years.
具体实施方式七：Specific implementation mode seven:
结合图1、2、3、4、5说明本实施方式，所述实时时钟电路采用DS1302，DS1302是一种高性能、低功耗、带RAM的时钟芯片，它可以对年、月、日、时、分、秒进行计时，具有闰年补偿功能，工作电压为2.5V～5.5V。它具有主电源/后备电源双电源引脚，VCC1为后备电源，VCC2为主电源。在主电源关闭的情况下，也能保持时钟的连续运行。In conjunction with Fig. 1, 2, 3, 4, 5, the present embodiment is described, the real-time clock circuit adopts DS1302, and DS1302 is a clock chip with high performance, low power consumption, and RAM, and it can control the year, month, day, Hours, minutes, seconds for timing, with leap year compensation function, working voltage is 2.5V ~ 5.5V. It has dual power supply pins for main power supply/backup power supply, VCC1 is the backup power supply, and VCC2 is the main power supply. It also keeps the clock running continuously even when the main power is turned off.
具体实施方式八：Specific implementation mode eight:
结合图1、2、3、4、5说明本实施方式，所述模拟量采集模块包括传感器和测量电路，所述模拟量采集模块通过传感器和测量电路来采集锂离子电池的模拟量参数，这些参数包括锂离子在放电过程中的电流或者电压大小、检测到的温度值等相关参数。1, 2, 3, 4, 5 illustrate this embodiment, the analog acquisition module includes a sensor and a measurement circuit, the analog acquisition module collects the analog parameters of the lithium-ion battery through the sensor and the measurement circuit, these The parameters include the current or voltage of lithium ions during the discharge process, the detected temperature value and other related parameters.
本实用新型一种锂离子电池电量监测系统的工作原理为：本实用新型一种锂离子电池电量监测系统采用微处理器技术，以W78E365单片机为核心，采用数码管显示数据信息。模拟量采集模块通过传感器和测量电路来采集锂离子电池的模拟量参数，这些参数包括锂离子在放电过程中的电流或者电压大小、检测到的温度值等相关参数，并将采集的参数传送给电量检测模块，电量检测模块根据采集的参数对锂离子电池的电量进行检测与计算，检测与计算结果通过I2C总线传送给单片机，单片机对整个系统进行控制，一方面，单片机驱动驱动模块显示被测锂离子电池的剩余电量信息，另一方面将系统的数据信息存数在存储模块。若系统检测到异常信号，如锂离子电池电量不足时，单片机驱动报警模块进行声光报警，以提示用户充电。DS1302时钟电路部分的目的是为了定时读取测锂离子电池电量时对应的时间，然后存储于24C64芯片中，以便在我们需要的时候，如系统出错，需对其进行检修时，就可以把这些时间结果全部调用出来，为排查故障提供条件。The working principle of a lithium-ion battery power monitoring system of the utility model is as follows: a lithium-ion battery power monitoring system of the utility model adopts microprocessor technology, takes W78E365 single-chip microcomputer as the core, and uses digital tubes to display data information. The analog quantity acquisition module collects the analog quantity parameters of the lithium ion battery through the sensor and the measurement circuit, these parameters include the current or voltage of the lithium ion during the discharge process, the detected temperature value and other related parameters, and transmits the collected parameters to the The power detection module, the power detection module detects and calculates the power of the lithium-ion battery according to the collected parameters, and the detection and calculation results are transmitted to the single-chip microcomputer through the I2C bus, and the single-chip microcomputer controls the entire system. The remaining power information of the lithium-ion battery, on the other hand, stores the data information of the system in the storage module. If the system detects an abnormal signal, such as when the lithium-ion battery is low in power, the single-chip microcomputer drives the alarm module to give an audible and visual alarm to prompt the user to charge. The purpose of the DS1302 clock circuit part is to regularly read the corresponding time when measuring the lithium-ion battery power, and then store it in the 24C64 chip, so that when we need it, if the system fails and needs to be repaired, these All time results are called out to provide conditions for troubleshooting.
虽然本实用新型已以较佳的实施例公开如上，但其并非用以限定本实用新型，任何熟悉此技术的人，在不脱离本实用新型的精神和范围内，都可以做各种改动和修饰，因此本实用新型的保护范围应该以权利要求书所界定的为准。Although the utility model has been disclosed as above with preferred embodiments, it is not intended to limit the utility model, and anyone familiar with this technology can make various changes and changes without departing from the spirit and scope of the utility model. modification, so the scope of protection of the utility model should be defined by the claims.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106338696A (en) * | 2016-10-17 | 2017-01-18 | 苏海英 | Lithium ion battery electric quantity monitoring system |
| CN113176514A (en) * | 2021-04-28 | 2021-07-27 | 广州市宇连电子有限公司 | Intelligent battery electric quantity monitoring isolation circuit of battery car |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106338696A (en) * | 2016-10-17 | 2017-01-18 | 苏海英 | Lithium ion battery electric quantity monitoring system |
| CN113176514A (en) * | 2021-04-28 | 2021-07-27 | 广州市宇连电子有限公司 | Intelligent battery electric quantity monitoring isolation circuit of battery car |
| CN113176514B (en) * | 2021-04-28 | 2024-02-02 | 广州市宇连电子有限公司 | Intelligent battery electric quantity monitoring isolation circuit of storage battery car |
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