CN112418462A - 用于控制预约充电的方法和装置 - Google Patents

用于控制预约充电的方法和装置 Download PDF

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Publication number
CN112418462A
CN112418462A CN202010080424.9A CN202010080424A CN112418462A CN 112418462 A CN112418462 A CN 112418462A CN 202010080424 A CN202010080424 A CN 202010080424A CN 112418462 A CN112418462 A CN 112418462A
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expected
time
charging
temperature
scheduled
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田诚培
赵真谦
孙熙云
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Hyundai Motor Co
Kia Corp
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Hyundai Motor Co
Kia Motors Corp
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Publication of CN112418462A publication Critical patent/CN112418462A/zh
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Abstract

本发明涉及用于控制预约充电的方法和装置。提供了一种控制预约充电的方法。该方法包括基于预期充电时间消耗和预期初次预约充电开始时间来计算初次预约充电时间，并且基于初次预约充电时间和充电器温度信息或气候信息来计算初次预约充电时间的预期温度。基于计算的预期温度来计算校正的预期充电时间消耗，并且基于校正的预期充电时间消耗来计算第二预约充电时间。基于第二预约充电时间对车辆电池充电。

Description

用于控制预约充电的方法和装置
与相关申请的交叉引用
本申请要求于2019年8月22日提交的第10-2019-0103051号韩国专利申请的权益，该专利申请在此通过引用被引入本文，如同在此完整阐述一样。
技术领域
本发明涉及一种用于控制预约充电的方法和装置，并且尤其涉及一种用于控制预约充电以提高满充电成功率的方法和装置。
背景技术
近年来，响应于环境污染以及开发使用替代能源技术的努力，电动汽车得到了持续发展。电动汽车使用电动机作为驱动源，并且作为用于驱动电动机的能量源的电池经由逆变器连接至电动机以向电动机供电。电动汽车通过预约充电(scheduled charging)对电池充电和放电，并且可以使用各种数据来确保预约充电。
图1是示出根据相关技术使用常规预约充电方法确定充电时间的示例的图表。图2是示出根据相关技术与图1相关的电池温度效率的示例的图表。参照图1和图2，在现有的使用常规预约充电方法确定预约充电时间时，基于当前充电功率确定预期充电时间Dchg，并且将充电时间确定为在满足预期充电时间Dchg的同时，落入便宜的充电范围Deconchg内。特别地，为了提高满充电成功率，优选在先充电Dprechg。
然而，由于使用了基于等待预约充电的时间点的充电功率而确定的预期充电时间Dchg，因此存在以下问题：当实际充电功率小于预期时，满充电失败。另外，电池具有效率因温度而极大地变化的性质，因此存在以下问题：当从实际充电开始时电池温度发生实质性变化时，满充电失败。因此，需要开发一种装置，其通过确定考虑了电池温度升高的预约充电时间来提高预约充电的满充电成功率。
发明内容
本发明的目的在于提供一种用于控制预约充电的方法和装置，其在确定预约充电时间时，考虑基于电池温度的效率，使用基于气候信息的校正充电时间的程序，来提高预约充电的满充电成功率。
本发明的其他优点、目的和特征将在下面的描述中部分地阐述，并且对于本领域普通技术人员而言，在检验下述内容后本发明的其他优点、目的和特征将变得部分地显而易见，或者本发明的其他优点、目的和特征可以从本发明的实践中获悉。通过在书面说明书和权利要求书以及附图中具体指出的结构可以实现并且获得本发明的目的和其它优点。
根据本发明的目的，如此处所体现和宽泛描述地，控制预约充电的方法可以包括基于预期充电时间消耗和预期初次预约充电开始时间来计算初次预约充电时间，基于初次预约充电时间和充电器温度或气候信息来计算初次预约充电时间的预期温度，基于计算的预期温度来计算校正的预期充电时间消耗，并且基于校正的预期充电时间消耗来计算第二预约充电时间。
在一些示例性实施方式中，初次预约充电时间的预期温度的计算可以包括确定充电器温度信息是否存在。另外，初次预约充电时间的预期温度的计算可以包括：当充电器温度信息存在时，基于充电器温度信息来计算预期初次预约充电开始时间的预期温度。
初次预约充电时间的预期温度的计算可以包括：当充电器温度信息不存在时，基于气候信息计算预期初次预约充电开始时间的预期温度。充电器温度信息可以包括全天充电器的基于时间的温度信息。
该方法可以进一步包括比较预期第二预约充电开始时间的预期温度与预期初次预约充电开始时间的预期温度。在一些示例性实施方式中，该方法可以进一步包括：当由比较产生的温度差异等于或小于校正误差时，将第二预约充电时间确定为最终充电时间。
另外，该方法可以包括：当由比较产生的温度差异等于或大于校正误差时，重复地计算预约充电时间以将温度差异调整到预设范围内。该方法可以进一步包括，当在第n次迭代重复地计算预约充电时间时，如果预期的第n预约充电开始时间与第(n-1)预期初次预约充电开始时间之间的温度差异在校正误差内，则将第n预约充电时间确定为最终充电时间。
在本发明的另一方面中，预约充电控制装置可以包括：充电时间消耗计算单元，配置为基于充电电流、充电器连接状态以及电池充电状态(SOC)来计算预期充电时间消耗；预约充电时间确定单元，配置为计算预期初次预约充电开始时间；使用气候信息的充电时间消耗重新计算单元，配置为基于初次预约充电时间和充电器温度信息或气候信息来计算初次预约充电时间的预期温度，并且基于计算的预期温度来计算校正的预期充电时间消耗；以及预约充电时间校正单元，配置为基于校正的预期充电时间消耗来计算第二预约充电时间。
附图说明
包含附图以提供对本发明进一步的理解，并且附图并入并构成本申请的一部分，附图示出了本发明的示例性实施方式，并且与描述一起用于解释本发明的原理。在附图中：
图1是示出根据相关技术的使用常规预约充电方法确定充电时间的示例的图表；
图2是示出根据相关技术的与图1相关的电池温度效率的示例的图表；
图3是示出根据本发明的示例性实施方式的预约充电控制装置的构造的框图；以及
图4是示出根据本发明的示例性实施方式的控制预约充电的方法的图表。
具体实施方式
应当理解的是，本文所使用的术语“车辆”或“车辆的”或者其他类似术语通常包括通常的机动车辆，例如包括运动型多用途车辆(SUV)、公共汽车、卡车、各种商用车辆在内的载客车辆，包括各种艇和船在内的水运工具，以及航空器等，并且包括混合动力车辆、电动车辆、插电式混合电动车辆、氢动力车辆和其他替代燃料车辆(例如，从除石油以外的资源取得的燃料)。如本文所提到的，混合动力车辆是具有两种或更多种动力源的车辆，例如，具有汽油动力和电动力两者的车辆。
尽管示例性实施方式被描述为使用多个单元执行示例性处理，然而应当理解的是，示例性处理也可以通过一个或多个模块来执行。另外，应当理解的是，术语控制器/控制单元是指包括存储器和处理器的硬件设备。存储器被配置为存储模块，并且处理器被特别地配置为执行所述模块，以执行在下文进一步描述的一个或多个过程。
另外，本发明的控制逻辑可以实施为包含由处理器、控制器/控制单元等执行的可执行程序指令的计算机可读介质上的非暂时性计算机可读介质。计算机可读介质的示例包括但不限于ROM、RAM、光盘(CD)-ROM、磁带、软盘、闪存驱动器、智能卡和光数据存储装置。计算机可读记录介质还可以分布在网络连接的计算机系统中，使得例如通过远程信息处理服务器或控制器区域网络(CAN)，以分布方式存储和执行计算机可读介质。
本文所使用的术语仅用于说明特定实施方式的目的，而非意在限制本发明。如本文所使用的，单数形式“一”和“该”旨在同样包括复数形式，除非上下文另外清楚地指明。还应理解的是，当在本说明书中使用时，词语“包括”和/或“包含”指定所述特征、整数、步骤、操作、元件和/或部件的存在，但是不排除一个或多个其他特征、整数、步骤、操作、元件、部件和/或其群组的存在或添加。如本文所使用的，词语“和/或”包括一个或多个相关列出项目的任何和所有组合。
除非特别说明或从上下文中显而易见，否则如本文所用的术语“约”应理解为在本领域的正常公差范围内，例如在平均值的2个标准偏差内。“约”可以理解为处于所述值的10％、9％、8％、7％、6％、5％、4％、3％、2％、1％、0.5％、0.1％、0.05％或0.01％之内。除非另从上下文中清楚得知，否则本文提供的所有数值均由术语“约”修饰。
现在将详细参照本发明的示例性实施方式，在附图中示出所述实施方式的示例。在示例性实施方式的描述中，应理解的是，当元件被称为在另一元件“上”、“下”、“前”或“后”时，该元件可以直接在另一元件上，或者可能存在中间元件。应理解的是，虽然在此处可能使用术语“初级”、“次级”、“A”、“B”、“(a)”、“(b)”等以描述本发明的各个元件，但是这些术语仅用于区分一个元件与另一元件，并且相应元件的基本顺序或次序不受这些术语的限制。
应理解的是，当一个元件被称为“连结至”、“耦合至”或“接入至”另一元件时，该元件可以经由进一步的元件“连结至”、“耦合至”或“接入至”另一元件，或者该元件可以直接连接至或直接接入至另一元件。除非另外提及，否则包括技术或科学术语的所有术语具有与具有本发明所属领域的普通技术的人员通常理解的含义相同的含义。从上下文出发，诸如词典中定义的通用术语应解释为与相关技术的含义一致。除非在本发明中不同地定义，否则不应以理想的或过度形式的方式解释这些术语。
图3是示出根据本发明的示例性实施方式的预约充电控制装置的构造的框图。参照图3，预约充电控制装置可以包括预约充电时间确定单元310、充电时间消耗计算单元320、使用气候信息的充电时间消耗重新计算单元330，以及预约充电时间校正单元340。装置的各单元可以由具有处理器和存储器的控制器来操作。特别地，控制器可以被特别地编程为执行单元的操作。
预约充电时间确定单元310可以配置为基于便宜的充电时间范围、关于是否使用便宜的充电时间范围的信息以及预期出发时间信息来计算预期初次预约充电开始时间。在一些示例性实施方式中，预约充电时间确定单元310可以配置为使用考虑出发时间、便宜的充电时间范围和便宜的充电范围的方法来确定预约充电时间。
预约充电时间确定单元310可以配置为基于便宜的充电时间范围来确定预约充电时间。特别地，便宜的充电时间范围可以是其中充电可以打折的时间范围，如根据国家/地区的低电力需求的夜间。在一些示例性实施方式中，预约充电时间确定单元310可以配置为仅在便宜的充电时间范围内设定预约充电时间。预约充电可以仅在便宜的充电时间范围内执行，并且即使没有实现满充电，也可以仅在相应的时间范围内执行充电。
另外，预约充电时间确定单元310可以配置为将预约充电时间设置在便宜的充电时间范围内。可以执行预约充电以在设定的出发时间之前完成充电，同时包括尽可能长的便宜充电时间范围(例如最大便宜充电时间范围)。充电时间消耗计算单元320可以配置为基于从车辆的电池管理系统(BMS)接收的充电电流、充电器连接状态和电池充电状态(SOC)来计算电池的预期充电时间消耗。
使用气候信息的充电时间消耗重新计算单元330(例如，重新计算单元)可以配置为基于从预约充电时间确定单元310接收的预期初次预约充电开始时间、从充电时间消耗计算单元320接收的预期充电时间消耗、充电器温度信息或气候信息来计算初次预约充电时间的预期温度。因此，使用气候信息的充电时间消耗重新计算单元330可以配置为使用下面的等式1来计算预期初次预约充电开始时间的预期温度(TBat,pred1)。
等式1
Figure BDA0002380103020000061
特别地，使用气候信息的充电时间消耗重新计算单元330可以配置为使用全天充电器的基于时间的温度信息(Tchar,pred)来计算预期初次预约充电开始时间的预期温度(TBat,pred1)。当全天充电器的基于时间的温度信息(Tchar,pred)不存在(例如，不可用)时，使用气候信息的充电时间消耗重新计算单元330可以配置为使用天气预报气候信息Tforecast1来计算预期初次预约充电开始时间的预期温度(TBat,pred1)。
另外，使用气候信息的充电时间消耗重新计算单元330可以配置为使用下面的等式2，基于计算的预期温度下的电池效率和电池SoC SoCbat来计算校正的预期初次充电时间消耗(Dchg,adj1)。
等式2
Dchg，adj1＝f{η(TBat，pred1)，SOCbat}。
特别地，充电时间消耗可以是基于预存储温度的时间消耗数据。换言之，校正的预期初次充电时间消耗所需的充电时间消耗可以是预先通过基于温度的时间消耗测试所获取的应用数据。因此，使用气候信息的充电时间消耗重新计算单元330可以配置为将计算的校正的预期初次充电时间消耗(Dchg,adj1)发送至预约充电时间校正单元340。
预约充电时间校正单元340可以配置为基于从使用气候信息的充电时间消耗重新计算单元330接收的校正的预期初次充电时间消耗(Dchg,adj1)来重新计算第二预约充电开始时间。然后，预约充电时间校正单元340可以配置为将重新计算的第二预约充电开始时间发送至使用气候信息的充电时间消耗重新计算单元330，并且预约充电时间校正单元340可以配置为接收来自使用气候信息的充电时间消耗重新计算单元330的对应于第二预约充电开始时间的校正的预期第二充电时间消耗(Dchg,adj2)。
由使用气候信息的充电时间消耗重新计算单元330计算出的校正的预期第二充电时间消耗(Dchg,adj2)可以基于使用下面的等式3计算的预期第二预约充电开始时间的预期温度(TBat,pred2)来计算。
等式3:
Figure BDA0002380103020000071
换言之，使用气候信息的充电时间消耗重新计算单元330可以配置为使用全天充电器的基于时间的温度信息(Tchar,pred)来计算预期第二预约充电开始时间的预期温度(TBat,pred2)。特别地，当全天充电器的基于时间的温度信息(Tchar,pred)不存在(例如，不可用)时，使用气候信息的充电时间消耗重新计算单元330可以配置为使用天气预报气候信息气候Tforecast1来计算预期初次预约充电开始时间时的预期温度(TBat,pred1)。
因此，预约充电时间校正单元340可以配置为接收基于第二预约充电开始时间的温度计算出的校正的预期第二充电时间消耗(Dchg,adj2)，该温度由使用气候信息的充电时间消耗重新计算单元330基于第二预约充电开始时间的充电器温度信息或天气预报气候信息而计算出来。
预约充电时间校正单元340可以配置为比较预期第二预约充电开始时间的预期温度和预期初次预约充电开始时间的预期温度。然后，预约充电时间校正单元340可以配置为当温度差异等于或小于校正误差Eadj时，将第二预约充电时间确定为最终充电时间。在一些示例性实施方式中，校正误差可以是充电时间消耗差异在约五分钟之内的温度。
预约充电时间校正单元340可以配置为当温度差异等于或大于校正误差Eadj时，通过使用气候信息的充电时间消耗重新计算单元330的程序来计算第三预约充电时间。因此，预约充电时间校正单元340可以配置为重复执行上述程序，并且当第n预约充电开始时间与第(n-1)预期初次预约充电开始时间之间的温度差异在校正误差Eadj之内时，预约充电时间校正单元340可以配置为使用下面的等式4将第n预约充电时间确定为最终充电时间。
等式4
Scheduleadj，fin＝Scheduleadjn
{if abs(TBat，pred n-TBat，pred(n-1))＜∈adj}。
因此，根据本发明的另一示例性实施方式，预约充电时间校正单元340可以配置为基于确定的最终充电时间来优化预约充电时间，并且因此可以提高电池的预约充电的满充电成功率。
图4是示出根据本发明的示例性实施方式的控制预约充电的方法的图表。参照图4，预约充电控制装置可以配置为确定是否执行预约充电(S410)。当满足操作S410时，如果执行预约充电的迭代为n＝1(S420)，则使用气候信息的充电时间消耗重新计算单元330可以配置为确定充电器温度信息是否存在或是否可用(S430)。
当满足操作S430时，使用气候信息的充电时间消耗重新计算单元330可以配置为使用全天充电器的基于时间的温度信息(Tchar,predn)，来计算预期第n预约充电开始时间的预期温度(TBat,predn)(S440)。当不满足操作S430时，使用气候信息的充电时间消耗重新计算单元330可以配置为使用天气预报气候信息Tforecastn来计算预期第n预约充电开始时间的预期温度(TBat,predn)(S445)。
在操作S440或S445之后，使用气候信息的充电时间消耗重新计算单元330可以配置为基于预期温度下的电池效率和电池SoC(SoCbat)来计算校正的预期第(n-1)充电时间消耗(Dchg，adjn-1)(S450)。在操作S450之后，预约充电时间校正单元340可以配置为基于校正的预期第n-1充电时间消耗(Dchg，adjn-1)来计算第n预约充电时间(S460)。
在操作S460之后，预约充电时间校正单元340可以配置为确定预期第n预约充电开始时间的预期温度(TBat，predn)与预期第(n-1)初次预约充电开始时间的预期温度(TBat，predn-1)之间的差异是否等于或小于校正误差Eadj(S470)。当满足操作S470时，如果温度差异等于或小于校正误差Eadj，则预约充电时间校正单元340可以配置为将第n预约充电时间scheduleadjn确定为最终充电时间(scheduleadj,fin)(S480)。
上述预约充电控制装置可以考虑基于电池温度的效率，使用基于气候信息的校正充电时间的程序来提高预约充电的满充电成功率。另外，根据本发明的控制预约充电的方法可以在确定执行预约充电功能的时间时使用充电器温度信息或天气预报气候信息来校正实际充电时间。
根据本发明，可以使用校正的预期充电时间来重新计算充电时间，并且可以提高预约充电的满充电成功率。当校正时间和初始时间之间的预期电池温度差异根据校正时间而足够大时，可以重复地执行校正以将预期电池温度差异调整至预设范围内。因此，可以优化预约充电时间，并且可以基于温度应用充电时间，从而提高满充电成功率。此外，在校正充电时间之后，车辆控制器可以配置为基于校正的最终充电时间对车辆电池进行充电。
本领域技术人员将理解，本发明可以实现的效果不限于以上已经具体描述的，并且从详细描述中将更加清楚地理解本发明的其他优点。
本发明还可实施为非暂时性计算机可读记录介质上的计算机可读代码。非暂时性计算机可读记录介质是存储随后可由计算机系统读取的数据的任何数据存储设备。非暂时性计算机可读记录介质的示例包括只读存储器(ROM)、随机存取存储器(RAM)、CD-ROMs、磁带、软盘、光学数据存储设备等。非暂时性计算机可读记录介质还可分布于联网的计算机系统，从而以分布方式来存储和执行计算机可读代码。另外，本发明所属领域的程序设计人员可以容易地理解用于实现本发明的功能程序、代码和代码段。

Claims (19)

1.一种控制预约充电的方法，包括：
由控制器基于预期充电时间消耗和预期初次预约充电开始时间来计算初次预约充电时间；
由所述控制器基于所述初次预约充电时间并且基于充电器温度信息或气候信息来计算所述初次预约充电时间的预期温度；
由所述控制器基于所计算的预期温度来计算校正的预期充电时间消耗；
由所述控制器基于所校正的预期充电时间消耗来计算第二预约充电时间；以及
由所述控制器基于所述第二预约充电时间对车辆的电池进行充电。
2.根据权利要求1所述的方法，其中，计算所述初次预约充电时间的预期温度包括：确定所述充电器温度信息是否可用。
3.根据权利要求2所述的方法，其中，计算所述初次预约充电时间的预期温度包括：
当所述充电器温度信息可用时，由所述控制器基于所述充电器温度信息来计算所述预期初次预约充电开始时间的预期温度。
4.根据权利要求2所述的方法，其中，计算所述初次预约充电时间的预期温度包括：
当所述充电器温度信息不可用时，由所述控制器基于所述气候信息来计算所述预期初次预约充电开始时间的预期温度。
5.根据权利要求3所述的方法，其中，所述充电器温度信息包括全天充电器的基于时间的温度信息。
6.根据权利要求1所述的方法，还包括:
由所述控制器将所述预期第二预约充电开始时间的预期温度与所述预期初次预约充电开始时间的预期温度进行比较。
7.根据权利要求6所述的方法，还包括：
当通过比较所述预期第二预约充电开始时间的预期温度与所述预期初次预约充电开始时间的预期温度而产生的温度差异等于或小于校正误差时，由所述控制器将所述第二预约充电时间确定为最终充电时间；以及
由所述控制器基于所述最终充电时间对所述车辆的所述电池进行充电。
8.根据权利要求6所述的方法，还包括：
当通过比较所述预期第二预约充电开始时间的预期温度与所述预期初次预约充电开始时间的预期温度而产生的温度差异等于或大于校正误差时，由所述控制器重复地计算预约充电时间以将所述温度差异调整至预设范围内。
9.根据权利要求8所述的方法，还包括:
当在第n次迭代重复地计算所述预约充电时间时，如果预期的第n预约充电开始时间与第n-1预期初次预约充电开始时间之间的温度差异在所述校正误差内，则由所述控制器将第n预约充电时间确定为最终充电时间。
10.一种非暂时性计算机可读记录介质，具有记录于其上的用于执行根据权利要求1所述的方法的程序。
11.一种预约充电控制装置，包括：
充电时间消耗计算单元，配置为基于充电电流、充电器连接状态与电池充电状态SoC来计算预期充电时间消耗；
预约充电时间确定单元，配置为计算预期初次预约充电开始时间；
使用气候信息的充电时间消耗重新计算单元，配置为基于所述初次预约充电时间并且基于充电器温度信息或气候信息来计算所述初次预约充电时间的预期温度，并且基于所计算的预期温度来计算校正的预期充电时间消耗；
预约充电时间校正单元，配置为基于所校正的预期充电时间消耗来计算第二预约充电时间；以及
车辆控制器，配置为基于所述第二预约充电时间来执行车辆电池的充电。
12.根据权利要求11所述的预约充电控制装置，其中，所述使用气候信息的充电时间消耗重新计算单元配置为：确定所述充电器温度信息是否可用。
13.根据权利要求12所述的预约充电控制装置，其中，所述使用气候信息的充电时间消耗重新计算单元配置为：当所述充电器温度信息可用时，基于所述充电器温度信息来计算所述预期初次预约充电开始时间的预期温度。
14.根据权利要求12所述的预约充电控制装置，其中，所述使用气候信息的充电时间消耗重新计算单元配置为：当所述充电器温度信息不可用时，基于所述气候信息来计算所述预期初次预约充电开始时间的预期温度。
15.根据权利要求13所述的预约充电控制装置，其中，所述充电器温度信息包括全天充电器的基于时间的温度信息。
16.根据权利要求11所述的预约充电控制装置，其中，所述预约充电时间校正单元配置为：比较所述预期第二预约充电开始时间的预期温度与所述预期初次预约充电开始时间的预期温度。
17.根据权利要求16所述的预约充电控制装置，其中，所述预约充电时间校正单元配置为：当通过比较所述预期第二预约充电开始时间的预期温度与所述预期初次预约充电开始时间的预期温度而产生的温度差异等于或小于校正误差时，将所述第二预约充电时间确定为最终充电时间。
18.根据权利要求16所述的预约充电控制装置，其中，所述使用气候信息的充电时间消耗重新计算单元配置为：当通过比较所述预期第二预约充电开始时间的预期温度与所述预期初次预约充电开始时间的预期温度而产生的温度差异等于或大于校正误差时，重复地计算预约充电时间以将所述温度差异调整至预设范围内。
19.根据权利要求18所述的预约充电控制装置，其中，当在第n次迭代重复地计算所述预约充电时间时，如果预期的第n预约充电开始时间与第n-1预期初次预约充电开始时间之间的温度差异在所述校正误差范围内，则所述预约充电时间校正单元配置为将第n预约充电时间确定为最终充电时间。
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