CN113263956A - 一种电动车电池检测pcb电路板装置 - Google Patents
一种电动车电池检测pcb电路板装置 Download PDFInfo
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Abstract
本发明公开了一种电动车电池检测PCB电路板装置,其特征在于,包括:交流电源输入、PFC模块、DC/DC模块、输出模块、充电输出端、电池组、电压均衡器、短路保护器、MCU芯片、DS2438光耦、警报蜂鸣器、CAN模块、CAN总线、单总线;该装置通过设计光耦模块实现实时监测电池组的过充、过放、过流、过温;通过短路保护器监测整个电路是否发生短路,通过内置的MCU处理模块,将实时监测信息经由无线通信传输CAN模块发送至客户端,用户可直接在客户端查看电池电量、充电状态;当电池在充电过程中发生过充或者在使用过程中发生过放,该监测模块的MCU会控制蜂鸣器进行报警,提醒用户迅速进行险情处理。
Description
技术领域
本发明属于电池监测领域,具体涉及一种电动车电池检测PCB电路板装置。
背景技术
蓄电池是电动车的能量动力来源,目前安装在电动车上的蓄电池大多采用铅酸电池,铅酸电池具有循环寿命长,无记忆效应,安全性好等优点;但是铅酸电池自身也存在一些固有的不足,比如:不允许长时间的过充电或过放电,过充或者过放都会缩短电池的寿命;但是目前的电动车充电是有电动车专门适配器完成,电量和充电状态只能在电动车的仪表盘上进行查看;在充电过程中,用户离开电动车,车体属于锁闭状态,用户无法实时获知电动车电池的充电状态;如果电池的使用状态无法被用户实时获知,那么很可能在电池的使用过程中发生漏液、自然、爆炸等危险情况发生;
针对以上电池问题,需要设计一款专门用于监测蓄电池充电、放电、过温状况的装置,该装置可以实时监测电池组的过充、过放、过流、过温及短路,通过内置的MCU处理模块,将实时监测信息经由无线通信传输CAN模块发送至客户端,用户可直接在客户端查看电池电量、充电状态;当电池在充电过程中发生过充或者在使用过程中发生过放,该监测模块的MCU会控制蜂鸣器进行报警,提醒用户迅速进行险情处理。
发明内容
为了解决上述技术问题,本发明设计了一种电动车电池检测PCB电路板装置,该装置通过设计光耦模块实现实时监测电池组的过充、过放、过流、过温;通过短路保护器监测整个电路是否发生短路,通过内置的MCU处理模块,将实时监测信息经由无线通信传输CAN模块发送至客户端,用户可直接在客户端查看电池电量、充电状态;当电池在充电过程中发生过充或者在使用过程中发生过放,该监测模块的MCU会控制蜂鸣器进行报警,提醒用户迅速进行险情处理。
为了达到上述技术效果,本发明是通过以下技术方案实现的:一种电动车电池检测PCB电路板装置,其特征在于,包括:交流电源输入、PFC模块、DC/DC模块、输出模块、充电输出端、电池组、电压均衡器、短路保护器、MCU芯片、DS2438光耦、警报蜂鸣器、CAN模块、CAN总线、单总线;
所述交流电源输入连接PFC模块,PFC模块连接DC/DC模块,DC/DC模块连接输出模块,输出模块连接充电输出端,充电输出端连接电池组;电压均衡器连接至输出模块进行电压衡定调节;一个DS2438光耦通过单总线连接一块单体电池实时监测电池组的电量和使用状态;MCU芯片采集到电池信息后通过连接的CAN总线送至连接的CAN模块,由CAN模块远程连接将信息送至终端;MCU芯片还连接电动车引擎电源,当电池组发生异常情况时,会控制引擎电源,使电动车无法启动;
进一步的,所述短路保护器连接至PCB电路板的电路上;
进一步的,所述警报蜂鸣器连接MCU芯片;
进一步的,所述DS2438光耦内集成了10位A/D电压转换器、10位A/D电流测量、温度传感器;
进一步的,所述CAN模块内集成了CAN控制器和CAN收发器。
本发明的另一目的在于提供电动车电池检测PCB电路板装置的使用方法:
本装置系统在工作时,通过检测PCB电路板上的DS2438对单体电池的电压、电流、温度参数进行数据采集,之后通过光电隔离单总线送至MCU芯片进行数据处理;MCU处理后的数据可以通过CAN模块内的CAN收发器送至用户终端;短路保护器电路和电压均衡器电路分别对整个检测电路实现短路保护和保持单体电压差的稳定;当MCU芯片接收到的电池数据出现异常,将会控制警报蜂鸣器报警,同时控制引擎电源进行自锁。
本发明的有益效果是:
该电动车电池检测PCB电路板装置通过设计的电压均衡电路,能够保证单体电压差的稳定性,保持单体电池的均衡,有效的延长了电池的使用寿命,提高了安全性能;通过设计的光耦隔离电路,克服了DS2438采样板不共地造成的通讯困难,并且信号单向传输,输入端与输出端完全实现了电气隔离,输出信号对输入端无影响,抗干扰能力强,工作稳定,无触点,使用寿命长,传输效率高;利用CAN总线实现了该系统和汽车主控制台的通信,从而实现了一款可以通信、功能完善、低成本的电池管理系统。
附图说明
为了更清楚地说明本发明实施例的技术方案,下面将对实施例描述所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1是一种电动车电池检测PCB电路板装置的系统实现原理框图;
图2是一种电动车电池检测PCB电路板装置的具体实施电路总图。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其它实施例,都属于本发明保护的范围。
实施例
参阅图1至图2所示,一种电动车电池检测PCB电路板装置,其特征在于,包括:交流电源输入、PFC模块、DC/DC模块、输出模块、充电输出端、电池组、电压均衡器、短路保护器、MCU芯片、DS2438光耦、警报蜂鸣器、CAN模块、CAN总线、单总线;
所述交流电源输入连接PFC模块,PFC模块连接DC/DC模块,DC/DC模块连接输出模块,输出模块连接充电输出端,充电输出端连接电池组;电压均衡器连接至输出模块进行电压衡定调节;一个DS2438光耦通过单总线连接一块单体电池实时监测电池组的电量和使用状态;MCU芯片采集到电池信息后送至连接的CAN模块,由CAN模块实现无线通信将信息送至终端;MCU芯片还连接电动车引擎电源,当电池组发生异常情况时,会控制引擎电源,使电动车无法启动;
所述短路保护器连接至PCB电路板的电路上;对整个检测电路实现短路保护;
所述警报蜂鸣器连接MCU芯片;当MCU芯片接收到的电池数据出现异常,将会控制警报蜂鸣器报警;
所述DS2438光耦内集成了10位A/D电压转换器、10位A/D电流测量、温度传感器;分别对单体电池的电压、电流、温度数据进行检测并采集;
所述CAN模块内集成了CAN控制器和CAN收发器。
综上所述,该电动车电池检测PCB电路板装置通过设计的电压均衡电路,能够保证单体电压差的稳定性,保持单体电池的均衡,有效的延长了电池的使用寿命,提高了安全性能;通过设计的光耦隔离电路,克服了DS2438采样板不共地造成的通讯困难,并且信号单向传输,输入端与输出端完全实现了电气隔离,输出信号对输入端无影响,抗干扰能力强,工作稳定,无触点,使用寿命长,传输效率高;利用CAN总线实现了该系统和汽车主控制台的通信,从而实现了一款可以通信、功能完善、低成本的电池管理系统。
在本说明书的描述中,参考术语“一个实施例”、“示例”、“具体示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中,对上述术语的示意性表述不一定指的是相同的实施例或示例。而且,描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
以上公开的本发明优选实施例只是用于帮助阐述本发明。优选实施例并没有详尽叙述所有的细节,也不限制该发明仅为所述的具体实施方式。显然,根据本说明书的内容,可作很多的修改和变化。本说明书选取并具体描述这些实施例,是为了更好地解释本发明的原理和实际应用,从而使所属技术领域技术人员能很好地理解和利用本发明。本发明仅受权利要求书及其全部范围和等效物的限制。
Claims (7)
1.一种电动车电池检测PCB电路板装置,其特征在于,包括:交流电源输入、PFC模块、DC/DC模块、输出模块、充电输出端、电池组、电压均衡器、短路保护器、MCU芯片、DS2438光耦、警报蜂鸣器、CAN模块、CAN总线、单总线;
所述交流电源输入连接PFC模块,PFC模块连接DC/DC模块,DC/DC模块连接输出模块,输出模块连接充电输出端,充电输出端连接电池组;电压均衡器连接至输出模块进行电压衡定调节;一个DS2438光耦通过单总线连接一块单体电池实时监测电池组的电量和使用状态;MCU芯片采集到电池信息后通过连接的CAN总线送至连接的CAN模块,由CAN模块远程连接将信息送至终端;MCU芯片还连接电动车引擎电源,当电池组发生异常情况时,会控制引擎电源,使电动车无法启动。
2.根据权利要求1所述一种电动车电池检测PCB电路板装置,其特征在于,所述短路保护器连接至PCB电路板的电路上。
3.根据权利要求1所述一种电动车电池检测PCB电路板装置,其特征在于,所述警报蜂鸣器连接MCU芯片。
4.根据权利要求1所述一种电动车电池检测PCB电路板装置,其特征在于,所述DS2438光耦内集成了10位A/D电压转换器、10位A/D电流测量、温度传感器。
5.根据权利要求1所述一种电动车电池检测PCB电路板装置,其特征在于,所述CAN模块内集成了CAN控制器和CAN收发器。
6.一种如权利要求1-5任意一项所述的电动车电池检测PCB电路板装置的使用方法,其特征在于:
本装置系统在工作时,通过检测PCB电路板上的DS2438对单体电池的电压、电流、温度参数进行数据采集,之后通过光电隔离单总线送至MCU芯片进行数据处理;MCU处理后的数据可以通过CAN模块内的CAN收发器送至用户终端;短路保护器电路和电压均衡器电路分别对整个检测电路实现短路保护和保持单体电压差的稳定;当MCU芯片接收到的电池数据出现异常,将会控制警报蜂鸣器报警,同时控制引擎电源进行自锁。
7.一种如权利要求6所述的电动车电池检测PCB电路板装置的使用方法在电动车电池监测中的应用。
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