CN103826905A - 用于为安装在电动机动车中的蓄电池充电的方法 - Google Patents
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Abstract
本发明涉及一种用于为安装在电动机动车(1)中的蓄电池充电的方法,所述蓄电池用于储存电能,用于利用取自供电网络的电能来运行电动机动车(I)的电驱动发动机。为了实现不复杂的充电并可靠地结算所取用的能量而提出上述方法,其中蓄电池与连接至供电网络的、设计为低压插座的插座(2)相连接,其中,将对通过插座(2)从供电网络提供的电能进行测量的固定电表的计数器标识符传输给中央计算机(4),其中,将电动机动车(1)的车辆位置传输给中央计算机(4),其中,由中央计算机(4)将对应于电表的计数器位置和电动机动车(1)的所传输的车辆位置进行比较,并且其中,当计数器位置与所传输的车辆位置相一致时,由中央计算机(4)将开始为蓄电池充电的充电信号发送给电动机动车(1)的控制蓄电池充电的充电装置(II)。
Description
技术领域
本发明涉及一种用于为安装在电动机动车中的蓄电池充电的方法,蓄电池用于储存电能,用于利用取自供电网络的电能来运行电动机动车的电驱动发动机。
背景技术
电动机动车具有蓄电池,所述蓄电池储存电动机动车行驶、即运行电动机动车的电驱动发动机所需的电能。通过一般称为电力网的供电网络为蓄电池充电。由DE102008044526A1已知了一种对位置固定的充电站的利用情况进行设置的方法和***,所述充电站分别通过第一通信连接与存储器单元和消耗单元相连接,并且通过第二通信连接与结算服务器相连接。另外,由DE102008044527A1已知了一种位置固定的充电站处的用于与位置无关的电网供电的移动电表,其中,将移动电表集成到移动存储器单元和消耗单元中或者可以将移动电表安装在这个存储器单元和消耗单元处。
发明内容
本发明的目的在于,提供一种以简单并且成本低廉的方式实现不复杂的蓄电池充电并可靠地结算为进行充电从供电网络取用的能量。
根据本发明,这一目的通过本文开头所述类型的方法来实现,其中,蓄电池与连接至供电网络的、设计为低压插座的插座相连接,其中,将对通过插座从供电网络提供的电能进行测量的固定电表的计数器标识符传输给中央计算机,其中,将电动机动车的车辆位置传输给中央计算机,其中,由中央计算机将对应于电表的计数器位置和电动机动车的所传输的车辆位置进行比较,并且其中,当计数器位置与传输的车辆位置相一致时,由中央计算机将开始为蓄电池充电的充电信号发送给电动机动车的控制蓄电池充电的充电装置。
电动机动车这一名称在本发明中并不限于只具有一个电驱动发动机的车辆,电动机动车也可以涉及混合动力电动汽车,混合动力电动汽车既具有电驱动发动机又具有至少一个另外的驱动电动机,例如内燃机。
特别有利的是,在根据本发明的方法中,蓄电池充电不需要昂贵的充电基础设施。特别地,不必在专门的充电站进行充电,所述充电站具有用于识别用户和/或车辆以及用于充电控制的特殊装置。更确切地说,根据本发明的方法预先考虑的是利用常见的、如在每个家庭中的低电压插座。这种插座通常也被称为家用插座。插座上的附加装置、例如发送-/接收装置或充电控制装置,在本发明中是多余的。插座优选地可以是用于供给电压为230V的电流的单相交流电流插座或用于供给电压为400V的电流的三相交流电流插座。蓄电池与插座的连接例如借助于充电线缆或者例如通过感应充电装置来实现。
借助于电表对通过插座从供电网络提供的电能进行测量。原则上,电表、例如通过与邮政地址相关联而对应于某个获取者和某个位置。为了防止滥用,本发明提出,将电表的计数器标识符,按照简单的方式例如是计数器编号,传输给中央计算机。这例如可以通过由电动机动车的车辆使用者将计数器标识符手动输入到移动电话中并且经无线移动通讯网的移动无线电连接将标记传输给中央计算机来完成。例如也可以考虑将计数器标识符输入到计算机中,例如个人计算机(PC)中,并通过数据连接以有线或无线的方式将标记传输给中央计算机。借助于计数器标识符可以明确地将取自供电网络的电能与某个电表相关联并因此而与某个家庭或提供电能的能量供给者的所属顾客相关联,从而能够完成对所获取的电能进行对应的结算。
借助于车辆位置数据提供车辆位置。按照简单的方式涉及GPS(全球定位***Global Positioning System)数据。优选地通过移动无线电连接、例如GSM(全球移动通信***Global System for Mobile Communications)连接将车辆位置数据传输给中央计算机。优选地提供具有公差范围的车辆位置。
优选地可以涉及所谓的后端服务器(Back-End-Server)的中央计算机例如可以是提供供电网络中的电能的能量供给者的计算机。然而优选地,中央计算机不同于能量供给者的计算机,但是至少有时为了数据传输与这个计算机相连接;于是,可以实现的是,不依赖于能量供给者通过共同的中央计算机对电动机动车的蓄电池进行充电。因此原则上,通过各个能量供给者可以完成根据本发明的蓄电池充电,所述能量供给者将电能输送到供电网络中,并且在可能的情况下与此相伴地在例如车辆使用者或插座所有者以及能量供给者之间存在供给合同。
在本发明中是不需要对例如充电站或特殊装备的、例如具有识别装置和在可能的情况下具有充电控制装置的插座进行昂贵维修和保养。因此,有利的是维修和保养费用低廉。
只有在将充电信号发送给充电装置后才利用根据本发明的方法完成对蓄电池的充电。充电信号启动对蓄电池的充电,其中,既可以考虑在收到充电装置的充电信号后马上开始充电,又可以考虑时间延迟的充电。通过充电装置在充电信号和可能由中央计算机收到的其它充电数据的基础上完成对蓄电池充电的控制。充电数据由中央计算机和/或能量供给者的计算机提供,并且当这些充电数据包括例如充电装置的充电时间点和/或充电速度的预设值时,例如可以用于避免供电网络过载。
根据本发明的有利改进方案,将车辆标识符传输给中央计算机。优选地在开始为蓄电池充电之前将车辆标识符传输给中央计算机;优选地可以将车辆标识符与车辆位置一起传输给中央计算机。因此,可以将取自供电网络的电能明确地与某个电动机动车-并因此与电动机动车的车主或者可能的车辆使用者-相关联。优选地通过移动无线电通信、例如GSM连接将车辆标识符传输给中央计算机。利用本发明的前述改进方案,不仅可以通过插座和所属电表来对为蓄电池充电所提供的能量进行结算,此外还可以进行车辆单独地结算。因此特别地,也可以提供可能与购买或租赁电动机动车一起获得的能量定额或对此进行结算。
如果根据本发明的另一种有利改进方案,由中央计算机将包括充电时间点的充电数据与充电信号一起发送给充电装置,就可以尽可能均匀有规律地充分利用供电网络。因此,充电装置利用这些充电数据不但通过充电信号得到允许并且可以开始充电的提示,而且还通过充电时间点额外得到应在何时进行充电的提示。
按照本发明的另一种有利改进方案提出,由中央计算机或由提供供电网络中的电能的能量供给者的、与中央计算机相连接的计算机生成描述至少一个充电时间段和充电能量的充电计划,并且由中央计算机将包括充电计划的充电数据传输给充电装置。通过这种方式,例如也可以在普遍存在或预计有多个接通的用电器并且此外应为多个电动机动车的蓄电池充电时,前瞻性地避免供电网络过载。充电计划例如也可以包括根据天数和/或用户协议对电能进行分配。
根据本发明的另一种有利改进方案,充电装置根据充电信号和充电数据开始为蓄电池充电并控制取自供电网络的用于为蓄电池充电的能量。由此,可以不依赖于中央计算机或能量供给者的计算机,只由电动机动车的充电装置控制地,完成真正的充电过程,其中,还是考虑了例如与供电网络相关的高级信息,所述信息包含在充电数据中。
可以设想的是,从插座的最大电流负载能力的固定值、例如2kW的功率出发,并与此相应地由充电装置对蓄电池的充电进行控制。相反,有利的是,按照本发明的另一种改进方案,在发送充电信号之前将插座的最大电流负载能力的值传输给中央计算机,从而可以通过中央计算机和/或能量供给者的计算机为充电信号、特别是还为更加精确地生成充电计划考虑这些关于最大电流负载能力的信息。
对于生成尽可能准确的充电计划来说同样有利的是,按照本发明的另一种改进方案,在发送充电信号之前将蓄电池充电状态的值传输给中央计算机,从而能够通过中央计算机和/或能量供给者的计算机考虑这些关于蓄电池充电状态的信息。
根据本发明的另一种有利改进方案,在由充电装置为蓄电池充电的过程中,有规律地将蓄电池的相应充电状态的值传输给中央计算机。这样可以例如在供电网络负荷较重时短期地调整并可能在时间上延迟对单个电动机动车的蓄电池的独立充电。
如果根据本发明的另一种有利改进方案,在由充电装置为蓄电池充电结束后,将用于蓄电池当前充电的取自供电网络的能量的值传输给中央计算机,则这个所获取的能量值可以与根据电表计数器读数得出的所获取的能量值来比较,并且因此更加可靠地对能量进行结算。
附图说明
以下借助附图对本发明的实施例做进一步描述。图中示出:唯一的附图示出用于为安装在电动机动车中的蓄电池充电的方法。
具体实施方式
在唯一的幅图中以示意图示出用于为安装在电动机动车1中的蓄电池充电的方法,蓄电池用于储存电能,用于利用取自供电网络的电能来运行电动机动车的电驱动发动机。在此,蓄电池与连接至供电网络的、设计为低压插座的插座2相连接(虚线X2)。
箭头A象征着将对通过插座2从供电网络提供的电能进行测量的固定电表的计数器标识符传输给中央计算机4。虚线B1,B2象征着从电动机动车1的天线5出发并在中间连接无线电台6的条件下将电动机动车1的车辆位置传输给中央计算机4。
在中央计算机4的存储器8中,储存着与由计数器标识符确定的电表相关联的计数器位置。由第一箭头C表示的车辆位置以及由第二箭头D表示的计数器位置进入中央计算机4的比较仪10中。将车辆位置和计数器位置彼此进行比较。将比较结果转发给控制元件9(箭头I)并且声明一致是(j)或不一致否(n)。由于提供车辆位置的数据和提供计数器位置的数据通常已经不能达到完全一致,这是电表和电动机动车因为受技术条件所限原则上不能位于同一个位置,因此在电动机动车1周围设置公差范围13,必须将电表-此处通过插座2表示-布置在所述的公差范围内,从而可以认为车辆位置与计数器位置一致。
当储存的计数器位置与所传输的车辆位置一致时,在中间连接无线电台6的条件下由中央计算机4将开始给蓄电池充电的充电信号发送给电动机动车1的控制蓄电池充电的充电装置11,此处通过虚线E1,E2表示。
为此,首先将储存的计数器位置与所传输的车辆位置的比较结果转发给提供供电网络中的电能的能量供给者的、通过数据连接与中央计算机4相连接的计算机12,如箭头F所示。例如,在考虑供电网络当前负荷的条件下,此处以箭头G表示的中央计算机4从能量供给者的计算机12获得用于产生充电信号的说明。这种说明例如可以包含需要在几个小时内完成蓄电池充电的提示;由中央计算机4产生的充电信号在这种情况下补充性地获得包括充电时间点的充电数据,即,指示充电装置11在相应数量的小时内开始充电的时间组分。
在前述情况下,计数器位置与车辆位置一致。然而,如果,在图中通过可替换的箭头H表示,将对通过另一个插座14从供电网络提供的电能进行测量的其他固定电表的计数器标识符传输给中央计算机4,则对应于这个电表的计数器位置与传输的车辆位置不一致,并且中央计算机4不向电动机动车1的充电装置11发送充电信号。在这种情况下,可以从电表和电动机动车1的不同位置中推断出,电动机动车1实际上没有在所提供的插座14上充电;其原因例如可能是-受技术条件所限或不经意地-错误地提供了计数器标识符或是滥用。
Claims (9)
1.一种用于为安装在电动机动车(1)中的蓄电池充电的方法,所述蓄电池用于储存电能,用于利用取自供电网络的电能来运行所述电动机动车(1)的电驱动发动机,
其中,所述蓄电池与连接至所述供电网络的、设计为低压插座的插座(2)相连接,
其中,将对通过所述插座(2)从所述供电网络提供的所述电能进行测量的固定的电表的计数器标识符传输给中央计算机(4),
其中,将所述电动机动车(1)的所述车辆位置传输给所述中央计算机(4),
其中,由所述中央计算机(4)将对应于所述电表的计数器位置和所述电动机动车(1)的所传输的所述车辆位置进行比较,并且
其中,当所述计数器位置与所传输的所述车辆位置相一致时,由所述中央计算机(4)将开始为所述蓄电池充电的充电信号发送给所述电动机动车(1)的控制所述蓄电池充电的充电装置(11)。
2.根据权利要求1所述的方法,其特征在于,将车辆标识符传输给所述中央计算机(4)。
3.根据权利要求1或2所述的方法,其特征在于,由所述中央计算机(4)将包括充电时间点的充电数据与所述充电信号一起发送给所述充电装置(11)。
4.根据前述权利要求中任一项所述的方法,其特征在于,由所述中央计算机(4)或由提供所述供电网络中的电能的能量供给者的、与所述中央计算机(4)相连接的计算机(12)生成充电计划,所述充电计划描述至少一个充电时间段和充电电量,并且由所述中央计算机(4)将包括所述充电计划的所述充电数据传输给所述充电装置(11)。
5.根据前述权利要求中任一项所述的方法,其特征在于,所述充电装置(11)根据所述充电信号和所述充电数据开始为所述蓄电池充电并控制取自所述供电网络的用于为所述蓄电池充电的所述能量。
6.根据前述权利要求中任一项所述的方法,其特征在于,在发送所述充电信号前,将所述插座(2)的最大电流负载能力的值传输给所述中央计算机(4)。
7.根据前述权利要求中任一项所述的方法,其特征在于,在发送所述充电信号前,将所述蓄电池的所述充电状态的值传输给所述中央计算机(4)。
8.根据前述权利要求中任一项所述的方法,其特征在于,在由所述充电装置(11)为所述蓄电池进行所述充电的过程中,有规律地将所述蓄电池的相应充电状态的值传输给所述中央计算机(4)。
9.根据前述权利要求中任一项所述的方法,其特征在于,在由所述充电装置(11)为所述蓄电池进行所述充电结束后,将用于为所述蓄电池进行当前的所述充电的取自所述供电网络的所述能量的值传输给所述中央计算机(4)。
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