CN112706639B - 一种新能源汽车有序充电方法 - Google Patents

一种新能源汽车有序充电方法 Download PDF

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CN112706639B
CN112706639B CN202011534131.XA CN202011534131A CN112706639B CN 112706639 B CN112706639 B CN 112706639B CN 202011534131 A CN202011534131 A CN 202011534131A CN 112706639 B CN112706639 B CN 112706639B
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李志飞
高科杰
宋忆宁
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Zhejiang Zero Run 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
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    • B60L53/62Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
    • 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
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
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    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B60L53/66Data transfer between charging stations and vehicles
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    • 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
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    • 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
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Abstract

本发明公开了一种新能源汽车有序充电方法,本发明利用大数据技术,综合当地的发电量、用电量数据,为每一辆新能源汽车提供可用电量的预估数据,并将各项数据与时间关联,从而引导车主合理选择充电时机,在可用电量较为富余的时段而不是在用电紧张时段安排充电,尽量在日间光伏机组发电的同时就及时将光伏电力消耗使用掉,避免浪费光伏电力,同时避免过剩光伏电力并入电网造成电网冲击,从而利于保持电网平稳运行。

Description

一种新能源汽车有序充电方法
技术领域
本发明涉及一种新能源汽车充电管理方法,更具体地说,它涉及一种新能源汽车有序充电方法。
背景技术
随着光伏发电技术日益成熟,成本降低,越来越多的城市增加光伏发电量,并将所发电并入电网。光伏发电虽是清洁能源,但是受天气影响大,发电量不稳定。当传统发电量不变情况下,光伏发电量对区域电网造成影响,影响电网稳定性。若用电量不变,将造成电能浪费,不符合高效、节能环保理念。新能能源汽车在国家大力推广下,使用用户越来越多。当城市中新能源汽车不断增加,对电量需求也增加。现阶段多数用户喜欢夜间充电,大量新能源汽车夜间充电将打破日夜间电网谷峰规律,造成夜间用电负荷增加。因此,更为科学的做法是在光伏机组发电的同时就及时将光伏电力用掉,避免冲击区域电网。公开号为CN108001244A的发明专利于2018年5月8日公开了一种总线式电动汽车充电系统,包括设置在停车场顶部的充电总线和设置在充电总线上的总线连接器,所述充电总线包括电气总线和通信总线,所述总线连接器包括与充电总线连接的充电控制单元和综合管理单元,其中,充电控制单元用于提供电动汽车充电接口,综合管理单元用于提供照明接口、GPS采集接口、环境监测接口和通信接口;充电总线全部在停车位顶部安装,不用再地面施工而破坏建筑建构,采用开放式充电总线方式,实现了前期一次性布设好充电总线框架,预留好总线连接接口,后期根据需要安装充电控制单元,无需二次施工,解决小区地下停车场充电设施投建诸多问题和充电中的技术问题。但是该发明并不能就汽车在什么时间段充电最合理提供相应的管理方法。
发明内容
当前多数新能源汽车用户的充电习惯与日夜间电网谷峰规律相逆,造成夜间用电负荷增加,日间大量光伏电力浪费并极易造成电网冲击,为克服这一缺陷,本发明提供了一种新能源汽车有序充电方法,可引导新能源汽车用户合理选择充电时机,利于电网平稳运行。
本发明的技术方案是:一种新能源汽车有序充电方法,包括以下步骤:
步骤一.充电管理计算终端根据未来天气计算未来一段时间内每隔一定时间的光伏发电量E0,通过城市历史用电大数据预测未来一段时间内每隔一定时间的城市用电量E1,另再收集传统电网输入电量E3数据,根据公式E2=E3+E0-E1,计算剩余电量E2;
步骤二.设定反映剩余电量E2中实际可用电量的阈值Erep,判断E2是否大于阈值Erep,若是,则进行下一步,若不是,继续执行步骤一;
步骤三.根据城市历史车辆数量和充电电量数据预测未来一段时间内每隔一定时间的对应车辆充电电量,充电管理计算终端发送与时间相关的剩余电量信息以引导新能源汽车充电;
步骤四.根据所接收的充电管理计算终端信息选择充电时间和充电量,对新能源汽车进行充电;
步骤五.充电桩根据充电管理计算终端信息和汽车充电电量计算充电费用并反馈给新能源汽车或车主,新能源汽车或车主进行电费结算。
本发明利用大数据技术,综合当地的发电量、用电量数据,为每一辆新能源汽车提供可用电量的预估数据,并将各项数据与时间关联,从而引导车主合理选择充电时机,在可用电量较为富余的时段而不是在用电紧张时段安排充电,尽量在日间光伏机组发电的同时就及时将光伏电力消耗使用掉,避免浪费光伏电力,同时避免过剩光伏电力并入电网造成电网冲击,从而利于保持电网平稳运行。
作为优选,步骤二中阈值Erep经过综合考虑历史数据及E1发生时间段内实际存在重大用电活动的因素后确定。历史数据往往无法涵盖未来实际存在的种种变量,例如E1发生时间段内会有新开工的地铁建设等大型市政施工项目发生,但其用电量在历史数据中是未被计入的,因此在计算E1时不能仅仅理想地依据历史统计数据,而需要注入相应的变量,从而得到实际可用的剩余电量E2,即Erep。
作为优选,步骤三中,所述与时间相关的剩余电量信息表现为曲线图形式。与时间相关的剩余电量信息以类似股市行情走势图、天气预报曲线图的曲线图形式展现,这样车主能直观、方便地获取信息。
作为优选,步骤三中,充电管理计算终端将时间相关的剩余电量信息发送到车主的手机上。充电管理计算终端发送的与时间相关的剩余电量信息可作为单纯的通知信息,为车主决定何时充电提供必要参考。
作为另选,步骤三中,充电管理计算终端将时间相关的剩余电量信息发送到车载控制终端上。在应用了人工智能技术的车辆上,充电管理计算终端发送的与时间相关的剩余电量信息也可直接发送到车载控制终端,为车载控制终端自主决定是否进行后续操作过程提供判断依据。
作为优选,步骤四中,当新能源汽车接收到充电管理计算终端信息,自动开启充电并控制充电量。在应用了人工智能技术的车辆上,充电管理计算终端发送的与时间相关的剩余电量信息可直接作为判断依据,车载控制终端进行识别、计算后自主决定何时启动车辆自主充电过程,高效及时地完成车辆充电。此方法系车辆自主执行,不需人工干预,可以大大节约车主精力及时间。
作为另选,步骤四中,车主通过手机APP或车载控制终端的人机交互界面设置充电时间或充电量后开启充电。在接收到充电管理计算终端发送的与时间相关的剩余电量信息后,车主可自行决定何时进行车辆充电。此方法适用于智能化程度较低、较旧的车型,或喜好传统操作习惯的车主。
作为优选,步骤四中,新能源汽车提前接入充电枪。提前接入充电枪,车辆完成必要的电连接准备,使新能源汽车保持待机状态,后续当到了充电管理计算终端建议的充电时间点后只需车主远程操控,或车载控制终端自主控制即可立即开始充电,而无需车主临时再到充电现场接入充电枪,大大节约车主精力和时间。
本发明的有益效果是:
引导新能源汽车有序充电。本发明可引导新能源汽车用户合理选择充电时机安排充电,在可用电量较为富余的时段而不是在用电紧张时段安排充电,尽量在日间光伏机组发电的同时就及时将光伏电力消耗使用掉,避免浪费光伏电力,同时避免过剩光伏电力并入电网造成电网冲击,从而利于保持电网平稳运行。
提高车辆充电智能化程度。本发明可利用人工智能技术或远程控制方法决定何时启动车辆充电过程,高效及时地完成车辆充电,大大节约车主精力及时间。
附图说明
图1为应用本发明的一种流程图。
具体实施方式
下面结合附图具体实施例对本发明作进一步说明。
实施例1:
如图1所示,一种新能源汽车有序充电方法,适用于停在具备充电桩泊车位上的纯电动或混动新能源汽车。本方法包括以下步骤:
步骤一.充电管理计算终端根据未来天气计算未来5小时内光伏发电量E0,通过城市历史用电大数据预测未来5小时每隔10分钟的城市用电量E1,另再收集传统电网,如火电、核电的输入电量数据E3,计算剩余电量E2=E3+E0-E1,以上数据输入大数据计算中心;
步骤二.经过综合考虑历史数据及E1发生时间段,即步骤一所述的未来5小时内实际存在重大用电活动的因素后确定一阈值Erep,如未来5小时内实际存在有上年度所不存在的新建重大市政项目的施工活动,并根据施工方提供的该时段施工用电量申报数据,将该施工用电量定为Erep,Erep为确保新建重大市政项目正常进行的基本用电量,判断E2是否大于阈值Erep,若是,则进行下一步;若不是则返回步骤一;
步骤三.根据城市历史车辆数量和充电电量预充未来5小时内每隔10分钟的车辆充电电量,大数据计算中心的充电管理计算终端向带有车载控制终端的新能源汽车发送与时间关联的剩余电量信息以引导新能源汽车充电,该与时间相关的剩余电量信息表现为曲线图形式;
步骤四.新能源汽车提前接入充电枪,新能源汽车根据接收的充电管理计算终端所发信息通过车载控制终端自主选择充电时间点和充电量,并在该时间点自动开启充电并控制充电量;
步骤五.充电桩根据充电管理计算终端信息和汽车充电电量计算充电费用并反馈给新能源汽车或车主,系能源汽车或车主进行电费结算,可通过电价折扣,红包赠送,累计免费充电次数等方式进行电价优惠,进一步引导、鼓励车主选择日间光伏发电高峰时段充电。
实施例2:
步骤一中,充电管理计算终端根据未来天气计算未来8小时内光伏发电量E0,通过城市历史用电大数据预测未来8小时每隔5分钟的城市用电量E1。步骤三中,大数据计算中心的充电管理计算向车主的手机发送与时间关联的剩余电量信息。步骤四中,车主接收到充电管理计算终端所发信息后,通过手机APP设置充电起始时间或充电量,到达设置时间点后车载控制终端控制车辆自主开启充电。其余同实施例1。
实施例3:
步骤四中,车主接收到充电管理计算终端所发信息后,通过车载控制终端的人机交互界面设置充电起始时间或充电量即可离开,到达设置时间点后车载控制终端控制车辆自主开启充电。其余同实施例1。

Claims (7)

1.一种新能源汽车有序充电方法,其特征是包括以下步骤:
步骤一.充电管理计算终端根据未来天气计算未来一段时间内每隔一定时间的光伏发电量E0,通过城市历史用电大数据预测未来一段时间内每隔一定时间的城市用电量E1,另再收集传统电网输入电量E3数据,根据公式E2=E3+E0-E1,计算剩余电量E2;
步骤二.设定反映剩余电量E2中实际可用电量的阈值Erep,判断E2是否大于阈值Erep,若是,则进行下一步;若不是,继续执行步骤一;Erep经过综合考虑历史数据及E1发生时间段内实际存在重大用电活动的因素后确定;
步骤三.根据城市历史车辆数量和充电电量数据预测未来一段时间内每隔一定时间的对应车辆充电电量,充电管理计算终端发送与时间相关的剩余电量信息以引导新能源汽车充电;
步骤四.根据所接收的充电管理计算终端信息选择充电时间和充电量,对新能源汽车进行充电;
步骤五.充电桩根据充电管理计算终端信息和汽车充电电量计算充电费用并反馈给新能源汽车或车主,新能源汽车或车主进行电费结算。
2.根据权利要求1所述的新能源汽车有序充电方法,其特征是步骤三中,所述与时间相关的剩余电量信息表现为曲线图形式。
3.根据权利要求1所述的新能源汽车有序充电方法,其特征是步骤三中,充电管理计算终端将时间相关的剩余电量信息发送到车主的手机上。
4.根据权利要求1所述的新能源汽车有序充电方法,其特征是步骤三中,充电管理计算终端将时间相关的剩余电量信息发送到车载控制终端上。
5.根据权利要求1所述的新能源汽车有序充电方法,其特征是步骤四中,当新能源汽车接收到充电管理计算终端信息,自动开启充电并控制充电量。
6.根据权利要求1所述的新能源汽车有序充电方法,其特征是步骤四中,车主通过手机APP或车载控制终端的人机交互界面设置充电时间或充电量后开启充电。
7.根据权利要求1至6中任一项所述的新能源汽车有序充电方法,其特征是步骤四中,新能源汽车提前接入充电枪。
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