CN117341540A - 用于车对车充电的电池温度控制***和方法 - Google Patents

用于车对车充电的电池温度控制***和方法 Download PDF

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Publication number
CN117341540A
CN117341540A CN202310028796.0A CN202310028796A CN117341540A CN 117341540 A CN117341540 A CN 117341540A CN 202310028796 A CN202310028796 A CN 202310028796A CN 117341540 A CN117341540 A CN 117341540A
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Prior art keywords
vehicle
charging
time
controller
battery temperature
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崔宰赫
朴贤秀
金敬主
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Hyundai Motor Co
Kia Corp
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Hyundai Motor Co
Kia Corp
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    • B60L53/00—Methods 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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    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
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    • B60L58/27—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
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    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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    • H—ELECTRICITY
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Abstract

本公开提供一种用于车对车充电的电池温度控制***，该***包括：信息控制器，设置在电力接收电动车辆内部，并被配置为从车对车充电服务服务器接收关于电力传输电动车辆的信息和充电计划信息；车辆控制器，被配置为从信息控制器接收关于电力传输电动车辆的信息和充电计划信息，从电池控制器接收电力接收电动车辆的电池温度信息，并计算通过电力传输电动车辆的车对车充电的估计充电时间；以及电池温度控制器，被配置为通过控制电池加热器或电池冷却器的操作来控制电力接收电动车辆的电池温度，其中，车辆控制器被配置为考虑估计充电时间来控制电池温度控制器。

Description

用于车对车充电的电池温度控制***和方法
技术领域
本公开的示例性实施例涉及一种用于车对车充电的电池温度控制***和方法。
背景技术
用于电动车辆的传统移动充电方法是利用单独的用于快速充电的移动快速充电器进行充电的方法。这样的技术具有能够快速充电的优点，但需要搭载单独的用于快速充电的电源装置，因此，存在重量、体积和成本增加的缺点。
作为用于解决这些限制的现有技术，存在公开号为10-2019-0133396的韩国专利申请和公开号为10-2019-0084631的韩国专利申请。
上述现有技术实现了快速充电，并且具有通过利用电动车辆(EV)的内部电源而不需要单独的快速充电器来仅利用用于车对车快速充电的专用电缆进行充电的优点。
车对车(V2V)充电服务利用上述技术向需要进行快速充电的车辆提供充电服务。
即，当客户的电力接收电动车辆的电池被放电时并且当向车对车充电服务服务器请求快速充电时，链接到车对车充电服务服务器的V2V充电车辆移动到请求车辆以提供车对车充电服务。
然而，即使这样的***已经开发为用于快速充电，但具有以下限制：充电速度根据电力接收电动车辆的电池温度条件而受到限制。
即，由于冬季的零下的天气充电速度不快而受到限制。因此，运营充电服务的电力充电提供商不能以最佳方式运营充电服务，并且客户具有不能获得最佳快速充电的缺点。
背景技术中描述的事项旨在帮助理解本公开的实施例的背景，并且可能包括本领域技术人员已知的现有技术以外的事项。
发明内容
本公开的示例性实施例涉及一种用于车对车充电的电池温度***和方法。具体实施例涉及一种用于车对车充电的电池温度控制***和方法。
本公开的实施例能够解决本领域的问题，并且本公开的实施例提供一种用于车对车充电的电池温度控制***和方法，该***和方法能够解决根据现有的电池温度的充电速度和充电操作问题。
根据本公开的实施例的一种用于车对车充电的电池温度控制***包括：信息控制器，设置在电力接收电动车辆内部，并且从车对车充电服务服务器接收关于电力传输电动车辆的信息和充电计划信息并将信息传送到车辆控制器；车辆控制器，从电池控制器接收电力接收电动车辆的电池温度信息，并计算通过电力传输电动车辆的车对车充电的估计充电时间；以及电池温度控制器，通过控制电池加热器或电池冷却器的操作来控制电力接收电动车辆的电池温度，其中，车辆控制器考虑估计充电时间来控制电池温度控制器。
作为示例性实施例，关于电力传输电动车辆的信息和充电计划信息可以包括通过电力传输电动车辆的充电开始时间和电力传输电动车辆的最大充电输出信息。
作为示例性实施例，车辆控制器可以考虑电力接收电动车辆的当前充电状态(SoC)来计算估计充电时间。
作为示例性实施例，车辆控制器可以通过比较估计充电时间和充电所需时间来控制电池温度控制器，充电所需时间是向车对车充电服务服务器请求的充电完成目标时间与充电开始时间之间的差。
作为示例性实施例，车辆控制器可以在估计充电时间超过充电所需时间时，通过电池温度控制器控制电池加热器操作。
作为示例性实施例，车辆控制器可以在估计充电时间超过充电所需时间时，计算用于升高电力接收电动车辆的电池温度的所需加热温度，并计算达到所需加热温度所用的加热时间。此外，所需加热温度大于或等于估计充电时间和充电所需时间相同的电池温度与当前电池温度之间的差。
作为示例性实施例，车辆控制器可以计算比包括在关于电力传输电动车辆的信息中的电力传输电动车辆的到达时间提前加热时间的时间作为加热开始时间。此外，车辆控制器可以在加热开始时间到达时，通过电池温度控制器控制电池加热器操作。
作为示例性实施例，根据本公开的实施例的一种用于车对车充电的电池温度控制方法包括：通过设置在电力接收电动车辆内部的信息控制器，从车对车充电服务服务器接收关于电力传输电动车辆的信息和充电计划信息；通过车辆控制器，在从信息控制器接收到关于电力传输电动车辆的信息和充电计划信息后，计算电力接收电动车辆的充电所需时间；通过车辆控制器，在从电池控制器接收到电力接收电动车辆的当前电池温度后，计算估计充电时间；以及通过车辆控制器，比较充电所需时间和估计充电时间。此外，当充电所需时间短于或等于估计充电时间时，通过加热来控制电力接收电动车辆的电池温度。
作为示例性实施例，用于车对车充电的电池温度控制方法可以进一步包括：当充电所需时间短于或等于估计充电时间时，计算用于升高电力接收电动车辆的电池温度的所需加热温度；以及计算达到所需加热温度所用的加热时间。
作为示例性实施例，所需加热温度可以大于或等于估计充电时间和充电所需时间相同的电池温度与当前电池温度之间的差。
作为示例性实施例，可以基于包括在关于电力传输电动车辆的信息中的电力传输电动车辆的最大充电输出，利用电力传输电动车辆的到达时间与向车对车充电服务服务器请求的充电完成目标时间之间的差来计算充电所需时间。
作为示例性实施例，该方法可以进一步包括：在计算加热时间后计算加热开始时间。此外，利用比包括在关于电力传输电动车辆的信息中的电力传输电动车辆的到达时间提前加热时间的时间来计算加热开始时间。
作为示例性实施例，在计算加热开始时间后，在加热开始时间到达时，通过加热来控制电力接收电动车辆的电池温度。
根据本公开的实施例的用于车对车充电的电池温度控制***和方法，存在以下优点。
本公开的实施例提供一种通过电池温度控制来优化充电速度的方法，该方法可以为运营电力充电服务的提供商提高充电操作轮换率。
本公开的实施例通过解决由于现有的电池温度条件而导致的充电速度降低的问题，为电力充电客户提供最佳的充电速度。
本公开的实施例通过解决降低充电输出和不断进行快速充电的问题，提供另一种类型的充电基础设施。
本公开的实施例通过增加电动车辆用户的快速充电的便利性和消除现有电动车辆购买的障碍(充电便利性)来促进电动车辆市场的扩展。
附图说明
图1是应用本公开的实施例的车对车充电服务的示意图。
图2示出根据本公开的实施例的用于车对车充电的电池温度控制***和服务***。
图3示出根据电池温度的充电电流的上限。
图4示出根据本公开的实施例的用于车对车充电的电池温度控制方法。
图5和图6示出根据本公开的实施例的电池温度控制***和方法的电池温度和充电时间。
具体实施方式
为了充分理解本公开的实施例的操作优点和本公开的实施例所实现的特征，应参考示出本公开的示例性实施例的附图和附图中描述的内容。
在描述本公开的示例性实施例时，将减少或省略可能不必要地掩盖本公开的要点的公知的技术或重复描述。
图1是应用本公开的实施例的车对车充电服务的示意图，图2示出根据本公开的实施例的用于车对车充电的电池温度控制***和服务***。图3示出根据电池温度的充电电流的上限。
在下文中，参照图1至图3，将描述根据本公开的实施例的用于车对车充电的电池温度控制***。
根据本公开的实施例的用于车对车充电的电池温度控制***被应用于客户的电力接收电动车辆(电力接收EV)以使用车对车充电服务。
如图所示，车对车充电服务由服务服务器提供，并且充电服务提供商的电力传输电动车辆(电力传输EV)根据来自客户终端的请求移动到电力接收电动车辆的位置，然后进行车对车快速充电。
本公开的实施例可以解决根据电力接收电动车辆的电池温度条件的充电速度的限制。
例如，当电力接收电动车辆的电池温度低时，即使当电力传输电动车辆可以供应100kW的功率时，也可以以30kW的速度进行充电。另一方面，当电力接收电动车辆的电池温度高时，可以以100kW的速度进行充电。
为了解决这个问题，本发明通过如图2所示的***来控制电力接收电动车辆的电池温度，从而使服务的使用更加有效。
本公开的实施例的用于车对车充电的电池温度控制***包括信息(INFO)控制器110、电池温度控制器120、电池控制器130和车辆控制器140。
当包括充电完成请求时间的充电服务请求从客户的终端利用应用程序(app)、网站、音频/视频/导航(AVN)***等输入到服务服务器时，服务服务器利用关于电力传输电动车辆的充电状态(SoC)、位置、估计距离、估计到达时间和最大充电输出等的信息确定所请求的充电服务，并且将关于电力传输电动车辆的信息和充电计划信息传送到电力接收电动车辆。
关于电力传输电动车辆的信息和充电计划信息由电力接收电动车辆的信息控制器110接收，并且信息控制器110将包括关于电力传输电动车辆的信息和充电完成目标时间的充电控制请求传送到车辆控制器140。
关于电力传输电动车辆的信息包括关于电力传输电动车辆的充电状态(SoC)、位置、距离和估计到达时间的信息。
车辆控制器140通过电池控制器130接收电池温度信息，然后计算估计充电时间。
车辆控制器140考虑计算的估计充电时间、充电开始时间和充电完成目标时间来控制电池温度控制器120。
即，考虑估计充电时间、充电开始时间和充电完成目标时间，当估计充电时间超过当前电池温度下的充电所需时间时，可以通过控制电池温度升高来缩短估计充电时间。
电池温度控制器120根据车辆控制器140的控制来控制电池加热器或电池冷却器的操作启动。
然后，在通过车对车充电完成充电后，车辆控制器140将充电完成信息传送到信息控制器110，并且信息控制器110将充电完成信息传送到服务服务器并终止服务。
参照图3，根据电池温度设置充电电流的上限，并且本公开的实施例可以利用设置的上限控制电池温度。
即，根据电池温度限制充电速度，并且当通过电池加热器使温度升高时，可以提高充电速度。
由于在电池加热器操作时消耗电池能量，因此可以根据控制策略设置即使利用最小的温度升高(ΔT)也提高充电速度的温度区间(与最小的能量消耗相比获得很大的效果)。
如图所示，当当前电池温度Tc升高ΔT时，电池充电电流的上限改变。
图4示出根据本公开的实施例的用于车对车充电的电池温度控制方法。图5和图6示出根据本公开的实施例的电池温度控制***和方法的电池温度和充电所需时间。
如上所述，当电力接收电动车辆接收到关于电力传输电动车辆的信息和充电计划信息时，如图4所示控制用于车对车充电的电池温度。
车辆控制器140利用从电池控制器130接收的电池温度信息判断当前SoC下是否可以加热(S11)，并且在当前SoC下不可以加热时结束控制。
在当前SoC下可以加热的状态下，基于接收到的关于电力传输电动车辆的信息和充电计划信息计算充电所需时间(S12)。
利用电力传输电动车辆的到达时间(充电开始时间)、充电完成目标时间和最大充电输出来计算充电所需时间。
然后，根据从电池控制器130接收的当前电池温度计算估计充电时间(S13)。
因此，通过比较充电所需时间和估计充电时间，判断充电时间是否足够(S14)，并且当判断的结果是充电时间足够时，结束控制。
图5对应于上述情况，由于充电所需时间超过估计充电时间，所以不执行加热控制。
作为操作S14中的判断的结果，当充电所需时间短于或等于估计充电时间时，计算用于缩短估计充电时间的所需加热温度(S15)。
即，计算估计充电时间可以与充电所需时间相同的电池温度，并且计算所需加热温度以高于计算的电池温度。
接下来，计算达到所需加热温度的加热时间(S16)。
当计算出加热时间时，计算加热开始时间(S17)。
参照示出充电所需时间短于或等于估计充电时间的图6，通过计算V2V车辆的到达时间(充电开始时间)-加热时间的时间点来设置加热开始时间time_start。
当通过上述过程计算出加热开始时间time_start时，车辆控制器140在加热开始时间到达时唤醒电池温度控制器120以执行电池加热控制(S18)。
本公开的实施例可以提供能够通过如上所述的电池温度控制优化充电速度来满足服务提供商和客户两者的充电基础设施。
虽然已经参照附图描述了本公开的实施例，但是对于本领域技术人员来说将显而易见的是，可以在不脱离本公开的宗旨和范围的情况下进行各种改变和修改，而不限于本文公开的示例性实施例。因此，应注意的是，这些改变或修改落入本公开的权利要求书的范围内，并且本公开的范围应基于所附的权利要求书来解释。

Claims (14)

1.一种用于车对车充电的电池温度控制***，所述***包括：
信息控制器，设置在电力接收电动车辆内部，并从车对车充电服务服务器接收关于电力传输电动车辆的信息和充电计划信息；
车辆控制器，从所述信息控制器接收关于电力传输电动车辆的信息和充电计划信息，从电池控制器接收所述电力接收电动车辆的电池温度信息，并计算通过所述电力传输电动车辆的车对车充电的估计充电时间；以及
电池温度控制器，通过控制电池加热器或电池冷却器的操作来控制所述电力接收电动车辆的电池温度，其中，所述车辆控制器考虑所述估计充电时间来控制所述电池温度控制器。
2.根据权利要求1所述的***，其中，
关于电力传输电动车辆的信息和充电计划信息包括通过所述电力传输电动车辆的充电开始时间和所述电力传输电动车辆的最大充电输出信息。
3.根据权利要求2所述的***，其中，
所述车辆控制器考虑所述电力接收电动车辆的当前充电状态即SoC来计算所述估计充电时间。
4.根据权利要求3所述的***，其中，
所述车辆控制器通过比较所述估计充电时间和充电所需时间来控制所述电池温度控制器，所述充电所需时间是向所述车对车充电服务服务器请求的充电完成目标时间与所述充电开始时间之间的差。
5.根据权利要求4所述的***，其中，
所述车辆控制器在所述估计充电时间超过所述充电所需时间时，通过所述电池温度控制器控制所述电池加热器操作。
6.根据权利要求4所述的***，其中，
所述车辆控制器在所述估计充电时间超过所述充电所需时间时，计算用于升高所述电力接收电动车辆的电池温度的所需加热温度，并计算达到所述所需加热温度所用的加热时间，并且
所述所需加热温度大于或等于所述估计充电时间和所述充电所需时间相同的电池温度与当前电池温度之间的差。
7.根据权利要求6所述的***，其中，
所述车辆控制器计算加热开始时间，所述加热开始时间是比包括在关于电力传输电动车辆的信息中的所述电力传输电动车辆的到达时间提前所述加热时间的时间。
8.根据权利要求7所述的***，其中，
所述车辆控制器在所述加热开始时间到达时，通过所述电池温度控制器控制所述电池加热器操作。
9.一种用于车对车充电的电池温度控制方法，所述方法包括：
通过设置在电力接收电动车辆内部的信息控制器，从车对车充电服务服务器接收关于电力传输电动车辆的信息和充电计划信息；
通过车辆控制器，在从所述信息控制器接收到关于电力传输电动车辆的信息和充电计划信息后，计算所述电力接收电动车辆的充电所需时间；
通过所述车辆控制器，在从电池控制器接收到所述电力接收电动车辆的当前电池温度后，计算估计充电时间；以及
通过所述车辆控制器，比较所述充电所需时间和所述估计充电时间，其中，当所述充电所需时间短于或等于所述估计充电时间时，通过加热来控制所述电力接收电动车辆的电池温度。
10.根据权利要求9所述的方法，进一步包括：
当所述充电所需时间短于或等于所述估计充电时间时，计算用于升高所述电力接收电动车辆的电池温度的所需加热温度；以及
计算达到所述所需加热温度的加热时间。
11.根据权利要求10所述的方法，其中，
所述所需加热温度大于或等于所述估计充电时间和所述充电所需时间相同的电池温度与所述当前电池温度之间的差。
12.根据权利要求10所述的方法，其中，
基于包括在关于电力传输电动车辆的信息中的所述电力传输电动车辆的最大充电输出，利用所述电力传输电动车辆的到达时间与向所述车对车充电服务服务器请求的充电完成目标时间之间的差来计算所述充电所需时间。
13.根据权利要求10所述的方法，进一步包括：
在计算所述加热时间后计算加热开始时间，其中，利用比包括在关于电力传输电动车辆的信息中的所述电力传输电动车辆的到达时间提前所述加热时间的时间来计算所述加热开始时间。
14.根据权利要求13所述的方法，其中，
在计算所述加热开始时间后，在所述加热开始时间到达时，通过加热来控制所述电力接收电动车辆的电池温度。
CN202310028796.0A 2022-07-05 2023-01-09 用于车对车充电的电池温度控制***和方法 Pending CN117341540A (zh)

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