CN111791757B - 一种纯电动车电池远程预热***、操作方法及车辆 - Google Patents

一种纯电动车电池远程预热***、操作方法及车辆 Download PDF

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CN111791757B
CN111791757B CN202010453943.5A CN202010453943A CN111791757B CN 111791757 B CN111791757 B CN 111791757B CN 202010453943 A CN202010453943 A CN 202010453943A CN 111791757 B CN111791757 B CN 111791757B
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孟为祥
陈小微
李宏涛
朱源胜
陈方明
周道武
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Bureton Technology Co.,Ltd.
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
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    • BPERFORMING OPERATIONS; TRANSPORTING
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    • BPERFORMING OPERATIONS; TRANSPORTING
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Abstract

本发明的一种纯电动车电池远程预热***,包括远程控制模块,用于远程控制车辆工作;无线通讯模块,用于发送远程控制模块的远程预热指令;汽车控制模块,用于控制汽车的工作状态;远程控制模块通过无线通讯模块发送控制指令控制汽车控制模块进行预热。本发明采用简易可行的流程图控制纯电动车电池远程预热功能的实现,避免原车的控制单元BMS、PDU、VCU改动硬件架构,并新增T‑BOX终端以实现与智能网联平台通讯的交互功能,改动工作量小,同时兼容实现电池插枪充电加热、行车加热功能,有效解决了纯电动汽车在冬季北方地区低温下电池冷启动时间长、车辆怠速运行技术问题。

Description

一种纯电动车电池远程预热***、操作方法及车辆
技术领域
本发明属于电动汽车技术领域,具体来说是一种纯电动车电池远程预热***。
背景技术
纯电动车是指以车载电源为动力,用电机驱动车轮行驶,符合道路交通、安全法规各项要求的车辆。现有的纯电动车电池加热控制一般采用插枪充电加热或者行车加热的方式,通过增加电池驻车远程预热功能的控制方法可以有效解决冬季北方地区低温下电池冷启动时间长、车辆怠速运行的问题,但这种方式需要预先考虑在整车设计时预留数据接收和发送控制模块T-BOX,以及预留硬线接口以便唤醒BMS、PDU、VCU等控制器单元。且不具备远程预热功能。
发明内容
1.发明要解决的技术问题
本发明的目的在于解决现有的电动汽车预热功能结构复杂且不能进行远程控制的问题。
2.技术方案
为达到上述目的,本发明提供的技术方案为:
本发明的一种纯电动车电池远程预热***,包括
远程控制模块,用于远程控制车辆工作;
无线通讯模块,用于发送远程控制模块的远程预热指令;
汽车控制模块,用于控制汽车的工作状态;
所述远程控制模块通过无线通讯模块发送控制指令控制汽车控制模块进行预热。
优选的,所述汽车控制模块包括:
控制器,该控制器为T-BOX终端和整车控制器VCU,用于控制车辆工作;
电池管理单元,该电池管理单元为电池管理***BMS,用于控制驱动总负接触器、电池加热正接触器、电池加热负接触器工作;
检测单元,为电盒控制***PDU,用于检测电池管理单元的工作状态和电池的状态。
优选的,所述远程控制模块为远程登录车辆智能网联信息平台进行远程控制。
优选的,所述电池管理单元还包括设置于电池箱体内的ptc加热膜,该ptc加热膜与电池加热正接触器、电池加热负接触器配合设置。
优选的,所述控制器还用于接收检测单元反馈的电池状态检测数据并进行判断是否有加热需求。
优选的,所述检测单元包括:
设置于电池箱体内的温度传感器,用于检测电池温度;
电池SOC监测子单元,用于检测电池SOC数值;
行车监测子单元,用于检测是否行车;
充电监测子单元,用于检测是否充电。
优选的,所述ptc加热膜的加热功率为1500~2000W,加热速率为15~25℃/h。
优选的,所述加热需求的判断标准为:电池最低温度Tmin<10℃且SOC>20%时为需要预热,电池最低温度Tmin≥25℃,或SOC<5%时为不需要预热。
一种纯电动车电池远程预热***的操作方法,远程控制模块通过无线通讯模块发送控制指令控制汽车控制模块进行预热,所述汽车控制模块的控制器接收无线通讯模块的远程预热指令并分发远程预热指令给电池管理单元和检测单元,所述检测单元收到控制器的远程预热指令后进行电池状态检测判断是否有加热需求并反馈数据给控制器,当需要进行预热时,控制器发送预热指令给电池管理单元,电池管理单元控制驱动总负接触器、电池加热正接触器、电池加热负接触器工作进行预热;当不需要进行预热时,控制器通过无线通讯模块反馈不需要进行预热信息给远程控制模块。
一种具有纯电动车电池远程预热***的车辆,含有上述所述的纯电动车电池远程预热***。
3.有益效果
采用本发明提供的技术方案,与现有技术相比,具有如下有益效果:
本发明的一种纯电动车电池远程预热***,包括远程控制模块,用于远程控制车辆工作;无线通讯模块,用于发送远程控制模块的远程预热指令;汽车控制模块,用于控制汽车的工作状态;远程控制模块通过无线通讯模块发送控制指令控制汽车控制模块进行预热。本发明采用简易可行的流程图控制纯电动车电池远程预热功能的实现,避免原车的控制单元BMS、PDU、VCU改动硬件架构,并新增T-BOX终端以实现与智能网联平台通讯的交互功能,改动工作量小,同时兼容实现电池插枪充电加热、行车加热功能,有效解决了纯电动汽车在冬季北方地区低温下电池冷启动时间长、车辆怠速运行技术问题。
附图说明
图1为本发明的一种纯电动车电池远程预热***的结构示意图。
示意图中的标号说明:
100、远程控制模块;200、无线通讯模块;300、汽车控制模块;310、控制器;320、电池管理单元;330、检测单元。
具体实施方式
为了便于理解本发明,下面将参照相关附图对本发明进行更全面的描述,附图中给出了本发明的若干实施例,但是,本发明可以以许多不同的形式来实现,并不限于本文所描述的实施例,相反地,提供这些实施例的目的是使对本发明的公开内容更加透彻全面。
需要说明的是,当元件被称为“固设于”另一个元件,它可以直接在另一个元件上或者也可以存在居中的元件;当一个元件被认为是“连接”另一个元件,它可以是直接连接到另一个元件或者可能同时存在居中元件;本文所使用的术语“垂直的”、“水平的”、“左”、“右”以及类似的表述只是为了说明的目的。
除非另有定义,本文所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同;本文中在本发明的说明书中所使用的术语只是为了描述具体的实施例的目的,不是旨在于限制本发明;本文所使用的术语“及/或”包括一个或多个相关的所列项目的任意的和所有的组合。
实施例1
参照附图1,本实施例的一种纯电动车电池远程预热***,包括
远程控制模块100,用于远程控制车辆工作;
无线通讯模块200,用于发送远程控制模块100的远程预热指令;
汽车控制模块300,用于控制汽车的工作状态;
所述远程控制模块100通过无线通讯模块200发送控制指令控制汽车控制模块300进行预热。
采用简易可行的流程图控制纯电动车电池远程预热功能的实现,避免原车的控制单元BMS、PDU、VCU改动硬件架构,并新增T-BOX终端以实现与智能网联平台通讯的交互功能,改动工作量小,同时兼容实现电池插枪充电加热、行车加热功能,有效解决了纯电动汽车在冬季北方地区低温下电池冷启动时间长、车辆怠速运行技术问题。
本实施例的汽车控制模块300包括:
控制器310,该控制器310为T-BOX终端和整车控制器VCU,用于控制车辆工作;
电池管理单元320,该电池管理单元320为电池管理***BMS,用于控制驱动总负接触器、电池加热正接触器、电池加热负接触器工作;
检测单元330,为电盒控制***PDU,用于检测电池管理单元320的工作状态和电池的状态。
其中,远程控制模块100为远程登录车辆智能网联信息平台进行远程控制。
本实施例的电池管理单元320还包括设置于电池箱体内的ptc加热膜,该ptc加热膜与电池加热正接触器、电池加热负接触器配合设置。ptc加热膜的加热功率为1500~2000W,加热速率为15~25℃/h。本实施例优选电池箱单箱加热膜加热功率为1700W,额定电压102.4V,加热电流约16A,每小时温升20℃/h。ptc加热膜在接通高压电后按照额定功率工作,由BMS负责驱动总负接触器、加热正接触器、加热负接触器闭合,以实现加热膜接通高压电。
控制器310还用于接收检测单元330反馈的电池状态检测数据并进行判断是否有加热需求。
本实施例的检测单元330包括:
设置于电池箱体内的温度传感器,用于检测电池温度;
电池SOC监测子单元,用于检测电池SOC数值;
行车监测子单元,用于检测是否行车;
充电监测子单元,用于检测是否充电。
加热需求的判断标准为:电池最低温度Tmin<10℃且SOC>20%时为需要预热,电池最低温度Tmin≥25℃,或SOC<5%时为不需要预热。
加热需求的判断还包括当行车监测子单元检测在行车时,T-BOX应该发送“不请求加热”,电池预热中止,BMS应反馈电池预热状态为“行车中止预热”,T-BOX发送报文并在1秒后丢失唤醒源;
加热需求的判断还包括充电监测子单元检测到客户插枪充电,电池预热中止,BMS应反馈电池预热状态为“充电中止预热”,T-BOX在收到电池反馈“充电中止预热”后,发送“不请求加热”,并在1秒后丢失唤醒源。
实施例2
一种纯电动车电池远程预热***的操作方法,远程控制模块100通过无线通讯模块200发送控制指令控制汽车控制模块300进行预热,所述汽车控制模块300的控制器310接收无线通讯模块200的远程预热指令并分发远程预热指令给电池管理单元320和检测单元330,所述检测单元330收到控制器310的远程预热指令后进行电池状态检测判断是否有加热需求并反馈数据给控制器310,当需要进行预热时,控制器310发送预热指令给电池管理单元320,电池管理单元320控制驱动总负接触器、电池加热正接触器、电池加热负接触器工作进行预热;当不需要进行预热时,控制器310通过无线通讯模块200反馈不需要进行预热信息给远程控制模块100。
当预热完成或者T-BOX唤醒源丢失,VCU停止使能DCDC工作指令,断开DCDC正接触器,待PDU反馈DCDC状态待机后,VCU发送“高压下电”指令;待总线报文中断大于等于5秒后,VCU进入休眠。
实施例3
一种具有纯电动车电池远程预热***的车辆,含有上述所述的纯电动车电池远程预热***。
以上所述实施例仅表达了本发明的某种实施方式,其描述较为具体和详细,但并不能因此而理解为对本发明专利范围的限制;应当指出的是,对于本领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围;因此,本发明专利的保护范围应以所附权利要求为准。

Claims (4)

1.一种纯电动车电池远程预热***,其特征在于:包括
远程控制模块(100),用于远程控制车辆工作;
无线通讯模块(200),用于发送远程控制模块(100)的远程预热指令;
汽车控制模块(300),用于控制汽车的工作状态;
所述远程控制模块(100)通过无线通讯模块(200)发送控制指令控制汽车控制模块(300)进行预热;
所述汽车控制模块(300)包括:
控制器(310),该控制器(310)为T-BOX终端和整车控制器VCU,用于控制车辆工作;
电池管理单元(320),该电池管理单元(320)为电池管理***BMS,用于控制驱动总负接触器、电池加热正接触器、电池加热负接触器工作;
检测单元(330),为电盒控制***PDU,用于检测电池管理单元(320)的工作状态和电池的状态;
所述控制器(310)还用于接收检测单元(330)反馈的电池状态检测数据并进行判断是否有加热需求;所述加热需求的判断标准为:电池最低温度Tmin<10℃且SOC>20%时为需要预热,电池最低温度Tmin≥25℃,或SOC<5%时为不需要预热;
加热需求的判断还包括充电监测子单元检测到客户插枪充电,电池预热中止,BMS应反馈电池预热状态为“充电中止预热”,T-BOX在收到电池反馈“充电中止预热”后,发送“不请求加热”,并在1秒后丢失唤醒源;
所述电池管理单元(320)还包括设置于电池箱体内的ptc加热膜,该ptc加热膜与电池加热正接触器、电池加热负接触器配合设置;
所述检测单元(330)包括:
设置于电池箱体内的温度传感器,用于检测电池温度;
电池SOC监测子单元,用于检测电池SOC数值;
行车监测子单元,用于检测是否行车;
充电监测子单元,用于检测是否充电;
所述ptc加热膜的加热功率为1500~2000W,加热速率为15~25℃/h。
2.根据权利要求1所述的一种纯电动车电池远程预热***,其特征在于:所述远程控制模块(100)为远程登录车辆智能网联信息平台进行远程控制。
3.根据权利要求2所述的一种纯电动车电池远程预热***的操作方法,其特征在于:远程控制模块(100)通过无线通讯模块(200)发送控制指令控制汽车控制模块(300)进行预热,所述汽车控制模块(300)的控制器(310)接收无线通讯模块(200)的远程预热指令并分发远程预热指令给电池管理单元(320)和检测单元(330),所述检测单元(330)收到控制器(310)的远程预热指令后进行电池状态检测判断是否有加热需求并反馈数据给控制器(310),当需要进行预热时,控制器(310)发送预热指令给电池管理单元(320),电池管理单元(320)控制驱动总负接触器、电池加热正接触器、电池加热负接触器工作进行预热;当不需要进行预热时,控制器(310)通过无线通讯模块(200)反馈不需要进行预热信息给远程控制模块(100)。
4.一种具有纯电动车电池远程预热***的车辆,其特征在于:含有权利要求1~2任一项所述的纯电动车电池远程预热***。
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