CN110867596A - 一种氢燃料电池巡检测量系统 - Google Patents

一种氢燃料电池巡检测量系统 Download PDF

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CN110867596A
CN110867596A CN201911023465.8A CN201911023465A CN110867596A CN 110867596 A CN110867596 A CN 110867596A CN 201911023465 A CN201911023465 A CN 201911023465A CN 110867596 A CN110867596 A CN 110867596A
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module
acquisition module
battery
total pressure
fuel cell
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于娇
郭旭
李旭
姚大庆
汪建建
王永
黄德波
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Wuhu Hongjing Electronics Co Ltd
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    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04298—Processes for controlling fuel cells or fuel cell systems
    • H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
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    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/371—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with remote indication, e.g. on external chargers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/385—Arrangements for measuring battery or accumulator variables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04298—Processes for controlling fuel cells or fuel cell systems
    • H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
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Abstract

本发明提供一种氢燃料电池巡检测量系统，包括电池电压采集模块、电池组温度采集模块、电池组总压采集模块、菊花链、CAN通讯模块及电源供电模块，电池电压采集模块、电池组温度采集模块和电池组总压采集模块分别通过直流斩波器连接在车载MCU上，电池电压采集模块、电池组温度采集模块和电池组总压采集模块之间串联后通过菊花链连接在信号转换芯片上，通过信号转换芯片将信号转化成SPI信号并送至车载MCU，CAN通讯模块通过菊花链连接在车载MCU上，且通过CAN通讯模块与外部通讯，电源供电模块给各个部件供电。成本低、寿命长、功耗低，测量精度高，测量周期时间短，安全等级高，EMC等级和阻燃等级可满足行业标准要求等。

Description

一种氢燃料电池巡检测量系统
技术领域
本发明涉及氢能源电池管理领域，尤其涉及一种氢燃料电池巡检测量系统。
背景技术
近几年来，随着国家对于汽车排放标准的要求越来越高和电动汽车技术的日益进步，电动汽车也越来越成为人们出行工具的首选。但是，纯电动汽车的短板是续使里程和充电时间，尚不能满足量大面积广的远程公交、城市物流、长途运输等的市场需求。因此国家多个城市大力发展氢燃料电池动力。氢燃料电池动力汽车具有清洁零排放、续航里程长、加注时间快等特点，需大力推广此种动力方式。如此一来，一种氢燃料电池巡检测量系统的方案设计很有必要。
发明内容
针对现有技术的不足，本发明的目的是提供了一种氢燃料电池巡检测量系统，通过电池电压采集模块、电池组温度采集模块、电池组总压采集模块、菊花链、CAN通讯模块及电源供电模块相配合，对氢燃料电池的各项指标进行检测，提高安全性，整个系统外形体积小，便于安装，防尘防水等级高。成本低、寿命长、功耗低，测量精度高，测量周期时间短，安全等级高，EMC等级和阻燃等级可满足行业标准要求等。
本发明提供一种氢燃料电池巡检测量系统，包括电池电压采集模块、电池组温度采集模块、电池组总压采集模块、菊花链、CAN通讯模块及电源供电模块，所述电池电压采集模块、电池组温度采集模块和电池组总压采集模块分别通过直流斩波器连接在车载MCU上，所述电池电压采集模块、电池组温度采集模块和电池组总压采集模块之间串联后通过菊花链连接在信号转换芯片上，通过信号转换芯片将信号转化成SPI信号并送至车载MCU，所述CAN通讯模块通过菊花链连接在车载MCU上，且通过CAN通讯模块与外部通讯，所述电源供电模块给各个部件进行供电。
进一步改进在于：所述电源供电模块将外接的9~32V的电压转换为模块适用的电压进行供电。
进一步改进在于：所述车载MCU上还集成有硬件复位模块，通过硬件复位模块进行硬件紧急复位。
进一步改进在于：所述电池电压采集模块、电池组温度采集模块和电池组总压采集模块统一采用电池前端管理芯片进行采集。
燃料电池前端管理芯片采样使用美信专用电池管理IC，MAX17823B，该芯片支持正负双向极性的电压测量，无需额外增加继电器等切换器件，节省成本、简化设计方案。电池管理芯片使用数量根据氢动力电池组数量灵活配置，管理芯片之间数据通过菊花链进行信号通讯，速度快，成本低，信号完整性好。菊花链信号通过专用的信号转换芯片MAX17841，转换成与MCU交互的SPI信号，MCU模块与CAN收发模块将巡检测量数据与外部管理模块进行交互。电源模块部分，支持外部整车的12V/24V系统或其他供电来源的直流电源，通过内部模块转换为内部电路所需的5V电压，一方面用于MCU等模块工作所需，另一方面用于给前端管理芯片的工作电源。其中前端管理芯片需支持正负双向极性电压的测量，故其工作电源需要双向电源电压，实现方案为，使用专用电压转换芯片，将5V电压转换为正负32V电压输出，并通过变压器实现隔离，以完成对前端电池管理芯片的供电。
本发明的有益效果是：通过电池电压采集模块、电池组温度采集模块、电池组总压采集模块、菊花链、CAN通讯模块及电源供电模块相配合，对氢燃料电池的各项指标进行检测，提高安全性，整个系统外形体积小，便于安装，防尘防水等级高。成本低、寿命长、功耗低，测量精度高，测量周期时间短，安全等级高，EMC等级和阻燃等级可满足行业标准要求等。
附图说明
图1是本发明的系统方案设计框图。
图2是本发明的东电方案设计原理图。
具体实施方式
为了加深对本发明的理解，下面将结合实施例对本发明作进一步详述，该实施例仅用于解释本发明，并不构成对本发明保护范围的限定。
如图1-2所示，本实施例提供一种氢燃料电池巡检测量系统，包括电池电压采集模块、电池组温度采集模块、电池组总压采集模块、菊花链、CAN通讯模块及电源供电模块，所述电池电压采集模块、电池组温度采集模块和电池组总压采集模块分别通过直流斩波器连接在车载MCU上，所述电池电压采集模块、电池组温度采集模块和电池组总压采集模块之间串联后通过菊花链连接在信号转换芯片上，通过信号转换芯片将信号转化成SPI信号并送至车载MCU，所述CAN通讯模块通过菊花链连接在车载MCU上，且通过CAN通讯模块与外部通讯，所述电源供电模块给各个部件进行供电。所述电源供电模块将外接的9~32V的电压转换为模块适用的电压进行供电。所述车载MCU上还集成有硬件复位模块，通过硬件复位模块进行硬件紧急复位。所述电池电压采集模块、电池组温度采集模块和电池组总压采集模块统一采用电池前端管理芯片进行采集。通过电池电压采集模块、电池组温度采集模块、电池组总压采集模块、菊花链、CAN通讯模块及电源供电模块相配合，对氢燃料电池的各项指标进行检测，提高安全性，整个系统外形体积小，便于安装，防尘防水等级高。成本低、寿命长、功耗低，测量精度高，测量周期时间短，安全等级高，EMC等级和阻燃等级可满足行业标准要求等。

Claims (4)

1.一种氢燃料电池巡检测量系统，其特征在于：包括电池电压采集模块、电池组温度采集模块、电池组总压采集模块、菊花链、CAN通讯模块及电源供电模块，所述电池电压采集模块、电池组温度采集模块和电池组总压采集模块分别通过直流斩波器连接在车载MCU上，所述电池电压采集模块、电池组温度采集模块和电池组总压采集模块之间串联后通过菊花链连接在信号转换芯片上，通过信号转换芯片将信号转化成SPI信号并送至车载MCU，所述CAN通讯模块通过菊花链连接在车载MCU上，且通过CAN通讯模块与外部通讯，所述电源供电模块给各个部件进行供电。
2.如权利要求1所述的一种氢燃料电池巡检测量系统，其特征在于：所述电源供电模块将外接的9~32V的电压转换为模块适用的电压进行供电。
3.如权利要求1所述的一种氢燃料电池巡检测量系统，其特征在于：所述车载MCU上还集成有硬件复位模块，通过硬件复位模块进行硬件紧急复位。
4.如权利要求1所述的一种氢燃料电池巡检测量系统，其特征在于：所述电池电压采集模块、电池组温度采集模块和电池组总压采集模块统一采用电池前端管理芯片进行采集。
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CN112114267A (zh) * 2020-09-23 2020-12-22 广州擎天实业有限公司 多串及变串数电池下电参数检测方法
CN117054904A (zh) * 2023-10-11 2023-11-14 深圳市万联新能科技有限公司 燃料电池的巡检装置及系统

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CN117054904B (zh) * 2023-10-11 2024-01-12 深圳市万联新能科技有限公司 燃料电池的巡检装置及系统

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