CN108365622A - 一种电动汽车蓄电池作为储能装置的分布式储能系统 - Google Patents

一种电动汽车蓄电池作为储能装置的分布式储能系统 Download PDF

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Publication number
CN108365622A
CN108365622A CN201810314540.5A CN201810314540A CN108365622A CN 108365622 A CN108365622 A CN 108365622A CN 201810314540 A CN201810314540 A CN 201810314540A CN 108365622 A CN108365622 A CN 108365622A
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China
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energy storage
accumulator
discharge
charge
electric
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CN201810314540.5A
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张旭辉
李宝新
顼军娜
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HEBEI XUHUI ELECTRIC Ltd
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HEBEI XUHUI ELECTRIC Ltd
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Priority to CN201810314540.5A priority Critical patent/CN108365622A/zh
Priority to CN202110569505.XA priority patent/CN113258595A/zh
Publication of CN108365622A publication Critical patent/CN108365622A/zh
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/28—Arrangements for balancing of the load in a network by storage of energy
    • H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
    • H02J3/322—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means the battery being on-board an electric or hybrid vehicle, e.g. vehicle to grid arrangements [V2G], power aggregation, use of the battery for network load balancing, coordinated or cooperative battery charging
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    • B60L—PROPULSION 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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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

本发明公开了一种电动汽车蓄电池作为储能装置的分布式储能系统，属于电动汽车充电技术领域，用于停车场或家庭。包括设置在停车位上的能够进行充电和逆变放电的可逆充电插口、设置在电动汽车上并由充放电系统控制充放电的蓄电池以及用于对充放电系统进行调控的储能监控系统；充放电系统设置用于同储能监控系统通过互联网进行信息传递的通信模块，汽车上的蓄电池通过可逆充电插口接入电网。本发明通过储能监控系统和互联网技术对电动汽车蓄电池作为储能装置进行了利用，实现了以电动汽车蓄电池为中间载体的电能分布式存储和释放再利用的过程，结合峰谷电价制度，能够给电动汽车车主创造经济效益，能够减少化石类能源消耗，降低了对环境的污染。

Description

一种电动汽车蓄电池作为储能装置的分布式储能系统
技术领域
本发明涉及一种电动汽车蓄电池作为储能装置的分布式储能系统，属于电动汽车充电技术领域。
背景技术
电动汽车是汽车行业发展的方向，目前公交车60%是电能驱动，预计到2025年电动汽车成为主流。现在电动轿车续航能力已达到350-500km，高档车续航能力已达到1000km。电动汽车的能源来自蓄电池，通过充电设备（充电桩）充电。蓄电池的续航能力远远能够满足人们平时上下班驾驶的需求。
我国实行峰谷电价，是按高峰用电和低谷用电分别计算电费的一种电价制度。高峰用电，一般指用电单位较集中，供电紧张时的用电，如在白天，收费标准较高。低谷用电，一般指用电单位较少、供电较充足时的用电，如在夜间，收费标准较低。实行峰谷电价有利于促使用电单位错开用电时间，充分利用设备和能源。峰谷电价制度能调动用户削峰填谷、均衡用电的积极性，峰谷电价的应用，提高了电网负荷率和设备利用率，达到控制高峰负荷、充分利用电网低谷电量，充分挖掘发、供电设备的潜力，达到了成本合理分摊的目的。
电动汽车需要充电桩进行充电，现在出现了一种双向充电桩，这种充电桩不仅可以为电动汽车蓄电池充电，还能够接受电动汽车蓄电池放电，将蓄电池内多余的电能返送给电网。根据峰谷电价制度，对于电动汽车的车主来说，夜晚充电能够大大节省电费，白天可以将蓄电池中多余的电通过双向充电桩返送给电网来赚取差价。但是，由于没有对于双向充电桩的统一的管理系统，因此，双向充电桩并没有被充分的利用，也没有很好的起到为电网削峰填谷以及为车主谋取经济利益的作用。
发明内容
本发明的目的是提供一种电动汽车蓄电池作为储能装置的分布式储能系统，该系统能够将电动汽车蓄电池作为储能装置，将夜晚低谷电储存起来后在白天返给电网，从而实现为电网削峰填谷，并且能够降低使用成本。
为了实现上述目的，本发明采用的技术方案是：
一种电动汽车蓄电池作为储能装置的分布式储能系统，包括设置在停车位上的能够进行充电和逆变放电的可逆充电插口、设置在电动汽车上并由充放电系统控制充放电的蓄电池以及用于对充放电系统进行调控的储能监控系统；充放电系统设置用于同储能监控系统通过互联网进行信息传递的通信模块，汽车上的蓄电池通过可逆充电插口接入电网。
本发明技术方案的进一步改进在于：可逆充电插口处设置双向电量计量表。
本发明技术方案的进一步改进在于：通信模块为无线网络模块、有线网络模块或GPRS网络模块。
本发明技术方案的进一步改进在于：储能监控系统包括充放电时长控制模块、充放电量控制模块、分时充电管理模块和收支管理模块。
本发明技术方案的进一步改进在于：停车位上设置具有可逆充电插口的充电桩，所述充电桩内设置充放电控制系统。
本发明技术方案的进一步改进在于：储能监控系统设置手机APP或电脑客户端作为终端。
由于采用了上述技术方案，本发明取得的技术效果有：
本发明的分布式储能系统是使用电动汽车的蓄电池作为储能装置，并通过储能系统结合互联网来调控电动汽车蓄电池的充放电量和充放电时间，从而实现对于低谷电的储能再利用。
本发明使用可逆充电插口来作为蓄电池与电网的电能交换口，能够使车主对蓄电池的充放电方便地进行管理，同时能够减少对于充放电设施的投资。
本发明的分布式储能监控系统具有充放电时长控制模块、充放电量控制模块、分时充电管理模块和收支管理模块等模块，能够在不影响正常驾驶的情况下对低谷电进行充分的利用，使车主的利益最大化。
本发明中的分布式储能监控系统设置有手机APP作为终端，使车主及相关的管理人员能够随时随地监控蓄电池的状态，方便快捷。
本发明的使用能够在间接上减少化石类能源消耗，降低对环境的污染，还能减少发电设备和电网设备的投入，经济效益和社会效益较好。
附图说明
图1是本发明示意图。
具体实施方式
下面结合附图及具体实施例对本发明做进一步详细说明：
本发明公开了一种电动汽车蓄电池作为储能装置的分布式储能系统，该系统能够对电动汽车的蓄电池进行充放电管理，从而能够实现将电动汽车蓄电池作为储能装置。该系统能够用于监控控制停车场或者家庭中电动汽车蓄电池通过充放电设备进行的充放电的过程。下面是具体的实施例：
本发明是通过设置储能监控系统以及可逆充电设施来对电动汽车的蓄电池进行充放电管理的。该系统需要在停车位设置能够进行充电和逆变放电的可逆充电插口。在使用时，汽车上的蓄电池通过可逆充电插口接入电网。本发明使用电动汽车上的蓄电池作为储能装置，而蓄电池是通过充放电系统的控制来进行充电和放电的。通常是在停车位上设置充电桩，将可逆插口设置在充电桩上，在充电桩内设置充放电控制系统。
本发明中的充放电系统是由储能监控系统来进行调控的，具体的储能监控系统通过调控充放电系统可以控制某个蓄电池进行充放电、何时充放电以及充放电的时长等。充放电系统设置有通信模块，通过通信模块充放电系统能够接入互联网，进而能够接受储能监控系统的调控指令信息。具体的，通信模块可以为无线网络模块、有线网络模块或GPRS网络模块；优先使用无线网络模块。
本发明在停车位上设置可逆充电插口时，优先的相应设置电量计量表，通过电量计量表来记录充放电的电量。
本发明中每个充电桩可以设置若干个可逆充电插口，该设置能够提高充电桩的利用率。通过充电电控制系统进行某个可逆充电插口工作状态的操控。
本发明重点是通过设置储能监控系统来方便车主对蓄电池的充放电进行实时的控制，并根据需求随时变化充放电的进程。本发明的储能监控系统包括充放电时长控制模块、充放电量控制模块、分时充电管理模块和收支管理模块。上述各模块是储能监控系统的各个功能模块。其中，充放电时长控制模块是用来控制充放电持续时间的，车主能够选择充电还是放电，还可以根据时间安排来设置充放电的时长。充放电量控制模块用来监控以及控制充电量和放电量，车主可以根据路途的长短设置充电量和放电量。分时充电管理模块是用来控制蓄电池的充电起始时间的，车主可以根据日程安排来选择在空闲的时间进行充放电。收支管理模块是用来测量记录车主的充电花费以及放电收入的，能够清楚的知道通过使用低价电为自己带来的经济利益。本发明中的储能监控系统设置有终端供使用者进行登录，通常该终端优先的是手机APP，使用者可以随时随地的了解到自己车辆的情况。该终端也可以设置在电脑上，使用者也可以通过电脑客户端来登录。具体如图1所示。图1中的虚线表示储能监控系统与充电桩之间是无线通信连接的。图1中示意的是一个充电桩的情况，实际实施中充电桩有若干个。
本发明的储能监控系统设置了分时充电管理模块，可以优先的在统一的时间内控制可逆充电桩通过母线向电网返送电能，这样能够提高在同一时间内向电网输送电能的功率，有利于电能的充分利用。
本发明能够便于进行充放电的管理，还实现了对与一定区域内蓄电池的集中式的应用，提高在同一时间内向电网输送电能的功率，可实现较大规模的充放电，使若干个电动汽车的蓄电池做为一个储能电站实现电网的削峰填谷。本发明通过储能监控系统控制若干个具有可逆充电插口的充电桩，能够形成一个微电网，这个微电网内可以自行进行电能转移，例如某个蓄电池需要放电而正好另一个蓄电池需要放电，这时通过储能监控系统的调控可以直接在微电网中实现电能从一个蓄电池转向另一个蓄电池；这个微电网可以与外部电网进行电能的交换。本发明进一步的还可以在电动汽车上设置能够控制蓄电池的充放电控制系统，该充放电控制系统能够作为汽车操控系统的一部分专门用于对蓄电池进行充放电管理。
本发明中使用的充电桩设置若干可逆充电插口来作为蓄电池与电网的电能交换口，能够使车主对蓄电池的充放电方便地进行管理，同时能够减少对于充放电设施的投资。本发明中车主可以直接操作充电桩进行充放电量的控制，也可以通过登录储能监控系统来进行远程操控。
本发明中通过充放电系统和可逆充电插口的作用可以把电网的交流电变为直流电给电动汽车蓄电池充电，也可以把电动汽车蓄电池的直流电通过逆变器转变为交流市电反送回电网。
本发明的使用原理如下：车主在夜晚使用低谷电将电动汽车的蓄电池充满电后白天开车上班停放在具有可逆充电插口的停车位上。电动汽车的车主可根据上班路途中的耗电情况，在满足下班路程中电动汽车行驶需要的电能的情况下，在储能监控系统中设置能够向电网返送的电量。电动汽车上的充放电系统通过可逆充电插口向电网返送电能。车主可以随时通过储能监控系统来监控电动汽车蓄电池的电量，如果需要改变充放电过程，例如中间需要开车出门时，及时停止蓄电池的放电，然后查看蓄电池的电量能够满足驾驶的需求，如果不满足，则控制充放电系统向充入蓄电池适当的电量。
本发明通过设置统一的储能监控系统可对一个区域内的电动汽车充放电进行统一管理，与电网自动调度系统相联接后，可实现较大规模的充放电，将若干的电动汽车的蓄电池做为一个储能电站实现电网的削峰填谷
本发明通过储能监控系统并使用互联网技术对电动汽车的蓄电池作为储能装置进行了利用，实现了以电动汽车蓄电池为中间载体的电能的分布式存储和释放再利用的过程，结合峰谷电价的制度，能够电动汽车车主创造经济效益，并且实现了电网的“削峰填谷”。
本发明通过储能监控系统并使用互联网技术能够方便的实现对停车场或者家庭的电动汽车的蓄电池进行充放电的管理，非常便于操控。
本发明的使用在间接上能够减少化石类能源消耗，降低了对环境的污染，减少了发电设备和电网设备的投入，经济效益和社会效益较好。

Claims (6)

1.一种电动汽车蓄电池作为储能装置的分布式储能系统，其特征在于：包括设置在停车位上能够进行充电和逆变放电的可逆充电插口、设置在电动汽车上并由充放电系统控制充放电的蓄电池以及用于对充放电系统进行调控的储能监控系统；充放电系统设置用于同储能监控系统通过互联网进行信息传递的通信模块，汽车上的蓄电池通过可逆充电插口接入电网。
2.根据权利要求1所述的一种电动汽车蓄电池作为储能装置的分布式储能系统，其特征在于：可逆充电插口处设置双向电量计量表。
3.根据权利要求1所述的一种电动汽车蓄电池作为储能装置的分布式储能系统，其特征在于：通信模块为无线网络模块、有线网络模块或GPRS网络模块。
4.根据权利要求1所述的一种电动汽车蓄电池作为储能装置的分布式储能系统，其特征在于：储能监控系统包括充放电时长控制模块、充放电量控制模块、分时充电管理模块和收支管理模块。
5.根据权利要求1所述的一种电动汽车蓄电池作为储能装置的分布式储能系统，其特征在于：停车位上设置具有可逆充电插口的充电桩，所述充电桩内设置充放电控制系统。
6.根据权利要求1所述的一种电动汽车蓄电池作为储能装置的分布式储能系统，其特征在于：储能监控系统设置手机APP或电脑客户端作为终端。
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