CN103201133A - 车辆用电池的诊断装置 - Google Patents

车辆用电池的诊断装置 Download PDF

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Publication number
CN103201133A
CN103201133A CN2011800544486A CN201180054448A CN103201133A CN 103201133 A CN103201133 A CN 103201133A CN 2011800544486 A CN2011800544486 A CN 2011800544486A CN 201180054448 A CN201180054448 A CN 201180054448A CN 103201133 A CN103201133 A CN 103201133A
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battery
mentioned
charging
strategy
replacement
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CN103201133B (zh
Inventor
藤田武志
广濑英树
日高理伸
后藤博尚
樱井稔峰
岛山隆嗣
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Nissan Motor Co Ltd
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Nissan Motor Co Ltd
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    • B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
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Abstract

车辆用电池的诊断装置(1)针对安装了二次电池(V1)的车辆(V)，对上述二次电池的使用状态的历史记录进行诊断而提示电池劣化的抑制策略，具备：存储单元(13)，其存储与上述电池劣化的因素对应的代替抑制策略；诊断单元(14)，其在上述提取出的代替抑制策略不满足规定的提示基准的情况下，禁止上述代替抑制策略作为抑制策略的提示。

Description

车辆用电池的诊断装置
技术领域
本发明涉及车辆用电池的诊断装置。
背景技术
对于对安装在电动汽车中的二次电池进行诊断的诊断装置，已知以下的技术，即根据包含电池的使用条件在内的诊断信息来提示用于改善电池的寿命的多个控制计划，更新车辆的控制信息使得与由用户选择的控制计划对应(专利文件1)。
现有技术文件
专利文件
专利文件1：日本特开2010-119223号公报
发明内容
发明要解决的问题
但是，在上述现有的诊断装置中，虽然电池的寿命延长，但存在对用户提示受限制的控制计划，因此车辆的存在价值降低的问题。
本发明的目的在于，兼顾电池的劣化控制和抑制车辆的存在价值降低。
用于解决问题的方案
本发明通过在对电池的使用状态的历史记录进行诊断来提示电池劣化的抑制策略时，在与劣化因素对应的代替抑制策略中不满足提示基准的情况下，禁止代替抑制策略的提示，由此达到上述目的。
发明效果
根据本发明，即使存在与劣化因素对应的代替抑制策略，也不提示不满足提示基准的代替抑制策略，因此，不降低车辆的存在价值就能够抑制电池的劣化。
附图说明
图1是表示应用了本发明的一个实施方式的车辆用电池的诊断系统的框图。
图2是表示应用于图1的车辆用电池的诊断装置中的电池劣化的主要因素、用户的使用因素、电池劣化的抑制策略的提示内容的关系的图。
图3是表示图1的车辆用电池的诊断装置的处理内容的流程图。
图4是表示通过图1的车辆用电池的诊断装置输出的电池劣化的抑制策略(电池建议单)的一个例子的图。
具体实施方式
以下，根据附图说明本发明的实施方式。图1是表示应用了本发明的一个实施方式的车辆用电池的诊断系统的框图，是对安装在只以电动机或电动发电机为驱动源的电动汽车、以电动机或电动发电机和内燃机为驱动源的混合汽车中的二次电池的使用状态的历史记录进行诊断而提示电池劣化的抑制策略的诊断系统。V表示车辆，1表示诊断装置。
二次电池V1是主要向车辆驱动用电动发电机V3供给电力的锂离子系、镍氢系二次电池。二次电池V1也可以向车辆驱动用电动发电机V3以外的车载设备、例如空调装置的加热器、压缩机驱动用电动机、电器设备等供给电力。二次电池V1的直流电力通过逆变器V2被变换为交流电力，供给到作为三相交流电动机的车辆驱动用电动发电机V3。另外，在车辆驱动用电动发电机V3转移到再生模式时，由该车辆驱动用电动发电机V3产生的交流电力通过逆变器V2变换为直流电力，向二次电池V1充电。
由电池控制部V4检测二次电池V1的充电状态SOC(State ofCharge)，输出到车辆控制部V5。车辆控制部V5根据驾驶者对加速踏板的踩踏量，计算对车辆驱动用电动发电机V3请求的输出转矩并向电池控制部V4输出，电池控制部V4通过控制逆变器V2而向车辆驱动用电动发电机V3供给与所请求转矩对应的电力。
二次电池V1通过与充电插座、设置在用户的家里的充电器3连接，能够进行充电。在充电模式中，设定有以100V～200V左右的电压而较耗费时间来进行充电的普通充电模式、施加200V左右的高电压而在较短时间内进行充电的急速充电模式。根据车辆侧的充电进口、充电插座等充电器3的规格，来选择普通充电模式或急速充电模式。电池控制部V4计数并记录对该车辆实施的普通充电模式的充电次数、急速充电模式的充电次数、组合普通充电模式和急速充电模式的充电总次数。
用户在对二次电池V1进行充电时，能够选择充电到SOC为100%的普通寿命模式、将SOC限制为80%以下的长寿命模式的任意一个，与用户的设定对应地，电池控制部V3对充电时的SOC进行管理。即，在选择了长寿命模式的状态下进行充电的情况下，在二次电池V1的SOC成为80%的时刻结束充电，禁止在此以上的充电。
向车辆控制部V5输入来自用于检测外部气温的外部气温传感器V6、用于检测二次电池V1的温度的电池温度传感器V7的温度数据，与二次电池V1的劣化(与电池容量的降低相关)有关的因素。外部气温传感器V6被设置在车辆的车厢外，电池温度传感器V7被设置在二次电池V1的模块包等中。
用户能够选择在车辆运转时不限制车辆驱动用电动发电机V3的输出的普通模式行驶、限制车辆驱动用电动发电机V3的输出的经济性高的环保模式行驶的任意一个，与用户的设定对应地，车辆控制部V5对车辆驱动用电动发电机V3的输出进行管理。即，在选择了环保模式行驶的状态下行驶的情况下，即使对加速踏板的踩踏量增大，也将向车辆驱动用电动发电机V3的输出电力限制为固定值，禁止超过该值的电力供给。另外，在选择了环保模式行驶的情况下，也可以对向车辆驱动用电动发电机V3以外的电动设备(加热器、压缩机电动机、电器设备等)的输出电力一起进行限制。车辆控制部V5在启动键从接通到断开的每次行驶中，记录向车辆驱动用电动发电机V3的输出电力的平均值。
电池控制部V4记录二次电池V1的制造日、从该制造日到当前的时间、以规定的SOC(例如SOC=90%)以上来放置二次电池V1的时间。另外，记录开始充电器3的充电操作时的SOC及其次数。
以下说明诊断装置1。本例的诊断装置1具备劣化度计算部11、代替抑制策略提取部12、存储部13、诊断部14，它们能够由包含CPU、ROM、RAM等的微型计算机构成。
劣化度计算部11输入与二次电池V1的劣化因素有关的使用状态的历史记录数据，根据该使用状态的历史记录数据来计算电池劣化的程度。具体地说，除了计算急速充电频度A、充电开始时的充电水平频度B、消耗电力频度C、高充电水平放置时间比例D以外，还计算充电开始时的电池温度、外部气温与电池温度之间的关系、行驶开始时的电池温度。
急速充电频度A是在将急速充电次数设为Nq、充电总次数设为N时以(Nq/N)×100%定义的电池劣化的程度的一个，是急速充电频度A越大则电池劣化的程度越大的特性值。经由车辆控制部V5从电池控制部V4的存储器中读出急速充电次数Nq和充电总次数N。
充电开始时的充电水平频度B是在将充电开始时的每个SOC的充电频度设为Fn、每个SOC的加权系数设为αn时以∫(Fn×αn)dSOC定义的电池劣化的程度的一个，是充电开始时的充电水平频度B越大则电池劣化的程度越大的特性值。
例如，如0～20%、20%～40%、40%～60%、60%～80%、80%～100%那样以每20%将SOC进行划分，对开始充电时的SOC水平处于哪个区间中的频度进行计数。另外，在SOC处于高水平时进行充电时，电池劣化的程度大，因此将SOC处于高水平时的加权系数设定得大，将SOC处于中～低水平时的加权系数设定为小的值。另外，通过对将各区间的充电开始频度乘以加权系数所得的值计算总和，来计算充电开始时的充电水平频度B。经由车辆控制部V5从电池控制部V4的存储器中读出充电开始时的每个SOC的充电频度Fn和加权系数αn。
消耗电力频度C是在将启动键从接通到断开的一个行程等规定的续航行驶期间中的二次电池V1的平均输出电力设为W、加权系数设为β时以W×β定义的电池劣化的程度的一个，是消耗电力频度C越大则电池劣化的程度越大的特性值。另外，对于加权系数β，平均输出电力W越大则设定为越大的值。经由车辆控制部V5从电池控制部V4的存储器中读出一个行程期间的二次电池V1的平均输出电力W和加权系数β。
高充电水平放置时间比例D是在将在规定的SOC(例如90%)以上的状态下不使用二次电池V1的时间设为t、从电池制造日到当前的经过时间设为t0时以t/t0定义的电池劣化的程度的一个，是高充电水平放置时间比例D越大则电池劣化的程度越大的特性值。经由车辆控制部V5从电池控制部V4的存储器中读出在规定的SOC以上的状态下不使用二次电池V1的时间t和从电池制造到当前的经过时间t0。
代替抑制策略提取部12针对通过劣化度计算部11计算出的劣化的程度中的在规定的允许值以外的因素，提取存储在存储部13中的代替抑制策略。存储部13存储与电池劣化的因素对应的代替抑制策略。
在此，说明二次电池V1的劣化因素。
图2是表示电池劣化的主要因素X、用户的使用因素Y、电池劣化的抑制策略Z的关系的图，表示出电池劣化的主要因素和用户的使用因素相关联的情况。主要表现为容量降低的二次电池V1的劣化的主要因素是电池高温X1、充电水平高X2、充电次数多X3。另外，根据SOC判断充电水平的高低。
电池高温的因素X1包含充电中的电池温度高温X11和行驶中的电池温度高温X12。充电中的电池温度高温的因素X11包含充电开始时的电池温度高温X111、急速充电频度高X112、外部气温高温X113，行驶中的电池温度高温的因素X12包含外部气温高温X113、行驶开始时的电池温度高温X121、二次电池V1的输出限制频度高X122。
充电开始时的电池温度高温的因素X111与在行驶后、特别在高负荷行驶后马上进行充电的使用因素Y1的相关性强。同样，急速充电频度高的因素X112与频繁进行急速充电的使用因素Y2的相关性强，外部气温高温的因素X113与室外停车的使用因素Y3的相关性强，行驶开始时的电池温度高温的因素X121与充电后、特别是急速充电后马上行驶的使用因素Y4的相关性强，输出限制频度高的因素X122与平均车速高、向电动发电机V3的平均输出电力大、空调、加热器的消耗电力大的使用因素Y5的相关性强。
充电水平高的因素X2，包含充电开始时的充电水平高X21、二次电池V1的未使用时的充电水平高X22。充电开始时的充电水平高的因素X21与重复进行续航距离短的行驶(以下也称为短程用车)和马上充电的使用因素Y6的相关性强，二次电池V1的未使用时的充电水平高X22与行驶或充电后在充电水平高的状态下放置车辆的使用因素Y7的相关性强。
充电次数多的因素X3，包含普通充电和急速充电的次数多X31。普通充电和急速充电的次数多的因素X31与普通或急速充电次数多、重复进行短程用车和马上充电的使用因素Y8的相关性强。
图2所示的用户的使用因素Y1～Y8都与二次电池V1的劣化相关，因此理想的是设定消除或改善该使用因素的使用方法来电池劣化的抑制策略。因此，在本例子中，将以下的抑制策略存储在图1的存储部13中。
即，针对行驶后、特别在高负荷行驶后马上进行充电的使用因素Y1，将避免行驶后马上进行充电作为抑制策略；针对频繁进行急速充电的使用因素Y2，将代替急速充电而推荐普通充电作为抑制策略；针对室外停车的使用因素Y3，将避免室外停车作为抑制策略；针对充电后、特别是急速充电后马上行驶的使用因素Y4，将避免充电后马上行驶作为抑制策略；针对平均车速高、向电动发电机V3的平均输出电力大、空调、加热器的消耗电力大的使用因素Y5，将推荐限制消耗电力的环保模式行驶作为抑制策略；针对重复进行短程用车和马上充电的使用因素Y6，将推荐限制满充电水平的长寿命模式作为抑制策略；针对在行驶或充电后在充电水平高的状态下放置车辆的使用因素Y7，将推荐限制满充电水平的长寿命模式作为抑制策略；针对普通或急速充电次数多、重复进行短程用车和马上充电的使用因素Y8，将推荐限制满充电水平的长寿命模式作为抑制策略，存储在存储部13中。
图1的代替抑制策略提取部12针对由劣化度计算部11计算出的劣化的程度中的在规定的允许值以外的因素，提取存储在存储部13中的代替抑制策略。另外，能够与以急速充电频度A、充电开始时的充电水平频度B、消耗电力频度C、高充电水平放置时间比例D为代表的劣化的程度对应地，任意地设定在劣化度计算部11作为判断基准的允许值。
在由代替抑制策略提取部12提取出的代替抑制策略满足规定的提示基准的情况下，诊断部14允许作为抑制策略向输出部2输出；另一方面，在不满足提示基准的情况下，诊断部14禁止作为抑制策略的提示。诊断部14将是否损害车辆的功能设定为提示基准，在由代替抑制策略提取部12提取出的代替抑制策略损害车辆的功能的情况下，禁止该代替抑制策略的提示，在该代替抑制策略虽然损害车辆的性能但不损害车辆的功能的情况下，允许该代替抑制策略的提示。换言之，将禁止车辆的使用或停止的代替抑制策略、禁止二次电池的充电的代替抑制策略、以及与自然环境有关的代替抑制策略设为损害车辆的功能，而禁止提示。
即，上述的抑制策略中的作为针对行驶后、特别在高负荷行驶后马上进行充电的使用因素Y1的抑制策略的避免行驶后马上进行充电是禁止电池的充电的代替抑制策略，因此诊断部14禁止提示。同样，作为针对室外停车的使用因素Y3的抑制策略的避免室外停车是与自然环境有关的代替抑制策略，因此禁止提示，作为针对充电后、特别是急速充电后马上行驶的使用因素Y4的抑制策略的避免充电后马上行驶是禁止车辆的使用的代替抑制策略，因此禁止提示。除此以外，作为针对行驶或充电后在充电水平高的状态下放置车辆的使用因素Y7的抑制策略的避免在高充电水平下放置车辆是禁止车辆的停车的代替抑制策略，因此禁止提示。
输出部2由将从诊断部14输出的代替抑制策略输出到纸介质的打印机、显示代替抑制策略的显示器等构成，负责向用户提示代替抑制策略的功能。在图4中表示作为显示例子的建议单。
对于该图所示的建议单，作为“使用的建议”的项目能够列举充电方法、行驶方法、保管方法，作为容量降低因素，能够列举频繁进行急速充电、在接近满充电的状态下频繁进行继续充电、在行驶中的消耗电力多、长期保管时以接近满充电的状态保管这样的内容。这些项目和容量降低因素不会根据用户的使用状态而变动，因此作为固定显示项目而输出。与此相对，建议和对电池的养护的项目与用户的使用状态对应而输出内容不同。以下说明详细内容。
接着，说明本例子的诊断装置1的动作。
首先，将诊断装置1和车辆控制部V5连接起来，在步骤ST1中，将记录在车辆控制部V5和电池控制部V3中的二次电池V1的使用历史记录数据读入到劣化度计算部11。
在步骤ST2中，在劣化度计算部11中，根据读入的二次电池V1的使用历史记录数据计算劣化度，具体地说除了计算急速充电频度A、充电开始时的充电水平频度B、消耗电力频度C、高充电水平放置时间比例D以外，还计算充电开始时的电池温度、外部气温与电池温度之间的关系、行驶开始时的电池温度。在步骤ST3中，在代替方案抑制策略提取部12中，判断急速充电频度A、充电开始时的充电水平频度B、消耗电力频度C、高充电水平放置时间比例D、充电开始时的电池温度、外部气温与电池温度之间的关系、行驶开始时的电池温度的各计算结果是否在规定的允许值以内。
针对步骤ST3的判断的结果是在允许值以内的劣化因素，前进到步骤ST8，提示根据当前的使用历史记录不需要特别的抑制策略的内容。具体地说，针对图4的建议单的建议项目显示为“当前使用的方法不是容量降低的因素”，并且在对电池的养护的项目中显示较多星标志。
针对步骤ST3的判断结果是急速充电频度A、充电开始时的充电水平频度B、消耗电力频度C、高充电水平放置时间比例D、充电开始时的电池温度、外部气温与电池温度之间的关系、行驶开始时的电池温度中的在允许值以外的劣化因素，前进到步骤ST4，提取出存储在存储部13中的代替抑制策略。
在步骤ST5中，判断在步骤ST4中提取出的代替抑制策略是否满足上述的提示基准。具体地说，在通过代替抑制策略提取部12提取出的代替抑制策略损害车辆的功能的情况下，前进到步骤ST7，禁止该代替抑制策略的提示。与此相对，在该代替抑制策略虽然损害车辆的性能但不损害车辆的功能的情况下，前进到步骤ST6，允许该代替抑制策略的提示。
在图4的建议单中，表示出提示了急速充电频度A、充电开始时的充电水平频度B、消耗电力频度C、高充电水平放置时间比例D的任意一个都超过允许值的结果的代替抑制策略。即，由于急速充电频度A超过允许值，所以向用户推荐普通充电；由于充电开始时的充电水平频度B超过允许值，所以向用户推荐长寿命模式；由于消耗电力频度C超过允许值，所以向用户推荐环保模式行驶；由于高充电水平放置时间比例D超过允许值，所以向用户推荐长寿命模式。另外，该图的建议单的对电池的养护的项目表示星的数量越多则是越能够养护电池的使用方法，但在该图中，为了方便，还显示出星的数量与建议内容不匹配的状态。
另外，在该图所示的例子中，充电开始时的电池温度、行驶开始时的电池温度、外部气温也超过允许值，但诊断部14的判断结果是不提示禁止充电、禁止行驶或禁止室外停车等抑制策略。
如以上那样，根据本例子的诊断装置1，由劣化度计算部11对二次电池V1的劣化因素进行分析的结果为由代替抑制策略提取部12提取出电池劣化的代替抑制策略，但在诊断部14中代替抑制策略损害车辆的功能的情况下，换言之，将禁止车辆的使用或禁止停车的代替抑制策略、禁止二次电池的充电的代替抑制策略、与自然环境有关的代替抑制策略设为损害车辆的功能，而禁止该代替抑制策略的提示。其结果是不对用户施加过度的限制，不降低车辆的存在价值，也能够抑制二次电池V1的劣化。
另外，也可以使用上述由劣化度计算部11计算出的急速充电频度A、充电开始时的充电水平频度B、消耗电力频度C、高充电水平放置时间比例D，在将急速充电频度A及其加权系数a、充电开始时的充电水平频度B及其加权系数b、消耗电力频度C及其加权系数c、高充电水平放置时间比例D及其加权系数d设为a+b+c+d=1时，向输出部2输出以F=A×a+B×b+C×c+D×d定义的综合劣化度F。
另外，也可以定期地从诊断装置1的外部输入存储在存储部13中的代替抑制策略、代替抑制策略提取部12的允许值、诊断部14的提示基准而更新。进而，在图1的例子中，与车辆V分开地设置诊断装置1，但也可以车载诊断装置1，与导航系统的车载显示器共用输出部2，由此将诊断结果显示在显示器上。另外，也可以将诊断装置1设置在全球数据中心，经由远程信息处理技术与车载计算机通信，由此显示在车载显示器上、或在全球中心中打印出来。
另外，在上述实施方式中，在由劣化度计算部11计算出的劣化度超过规定的允许值的情况下，由代替抑制策略提取部12提取其代替抑制策略，在提取出的代替抑制策略不满足提示基准的情况下，诊断部14禁止提示，但诊断部14也可以构成为不依赖于二次电池V1的劣化度是否超过规定的允许值的判断而与之相独立地，在代替抑制策略不满足提示基准的情况下禁止提示，在满足提示基准的情况下允许提示。在该情况下，劣化度计算部11和代替抑制策略提取部12并不是必需的，也可以省略它们，但也可以与诊断部14的判断相独立地，将二次电池V1的使用状态的历史记录数据从车辆控制部V5读入到劣化度计算部11，将劣化度的结果向输出部2输出。
上述劣化度计算部11相当于本发明的劣化度计算单元和综合劣化度提示单元，上述代替抑制策略提取部12相当于本发明的提取单元，上述存储部13相当于本发明的存储单元和更新单元，上述诊断部14相当于本发明的诊断单元。
附图标记说明
V：车辆；V1：二次电池；V2：逆变器；V3：车辆驱动用电动机；V4：电池控制部；V5：车辆控制部；V6：外部气温传感器；V7：电池温度传感器；1：诊断装置；11：劣化度计算部；12：代替抑制策略提取部；13：存储部；14：诊断部；2：输出部；3：充电器。

Claims (14)

1.一种车辆用电池的诊断装置，其针对安装了二次电池的车辆对上述二次电池的使用状态的历史记录进行诊断来提示电池劣化的抑制策略，该车辆用电池的诊断装置的特征在于，具备：
存储单元，其存储与上述二次电池的劣化因素对应的代替抑制策略；以及
诊断单元，其在上述代替抑制策略不满足规定的提示基准的情况下，禁止上述代替抑制策略作为抑制策略的提示。
2.根据权利要求1所述的车辆用电池的诊断装置，其特征在于，还具备：
劣化度计算单元，其被输入与上述二次电池的劣化因素有关的使用状态的历史记录数据，根据该使用状态的历史记录数据来计算电池的劣化程度；以及
提取单元，其针对所计算出的上述劣化程度中的偏离出规定的允许值以外的因素，从上述存储单元提取代替抑制策略，
其中，上述诊断单元在提取出的上述代替抑制策略不满足规定的提示基准的情况下，禁止上述代替抑制策略作为抑制策略的提示。
3.根据权利要求1或2所述的车辆用电池的诊断装置，其特征在于，
上述二次电池的劣化因素包含电池温度、充电时的SOC、充电次数，
上述电池温度包含充电开始时的电池温度、急速充电频度、外部气温、行驶开始时的电池温度、以及电池的输出限制频度，
上述充电时的SOC包含充电开始时的SOC以及电池未使用时的SOC，
上述充电次数包含普通充电以及急速充电的次数。
4.根据权利要求1～3中的任一项所述的车辆用电池的诊断装置，其特征在于，
上述诊断单元将是否损害上述车辆的功能设定为上述提示基准，
在上述代替抑制策略损害车辆的功能的情况下，禁止该代替抑制策略的提示，在上述代替抑制策略虽然损害车辆的性能但不损害车辆的功能的情况下，允许该代替抑制策略的提示。
5.根据权利要求4所述的车辆用电池的诊断装置，其特征在于，
上述诊断单元将禁止车辆的使用或禁止停车的代替抑制策略、禁止电池的充电的代替抑制策略、以及与自然环境有关的代替抑制策略设为损害车辆的功能的代替抑制策略而禁止提示。
6.根据权利要求2～5中的任一项所述的车辆用电池的诊断装置，其特征在于，
能够任意地设定上述规定的允许值。
7.根据权利要求2～6中的任一项所述的车辆用电池的诊断装置，其特征在于，
上述劣化度计算单元计算在急速充电次数设为Nq、充电次数的总和设为N时以(Nq/N)×100定义的急速充电频度作为上述电池的劣化程度。
8.根据权利要求2～7中的任一项所述的车辆用电池的诊断装置，其特征在于，
上述劣化度计算单元计算在充电开始时的每个SOC的充电频度设为Fn、每个SOC的加权系数设为αn时以∫(Fn×αn)dSOC定义的充电开始时的充电水平频度作为上述电池的劣化程度。
9.根据权利要求2～8中的任一项所述的车辆用电池的诊断装置，其特征在于，
上述劣化度计算单元计算在规定的续航行驶期间的电池的平均输出电力设为W、加权系数设为β时以W×β定义的消耗电力频度作为上述电池的劣化程度。
10.根据权利要求2～9中的任一项所述的车辆用电池的诊断装置，其特征在于，
上述劣化度计算单元计算在以规定的SOC以上的状态未使用电池的时间设为t、从电池制造日到当前的经过时间设为t0时以t/t0定义的高充电水平放置时间比例作为上述电池的劣化程度。
11.根据引用权利要求7、8、9的权利要求10所述的车辆用电池的诊断装置，其特征在于，
还具备综合劣化度提示单元，该综合劣化度提示单元在针对上述急速充电频度A及其加权系数a、上述充电开始时的充电水平频度B及其加权系数b、上述消耗电力频度C及其加权系数c、上述高充电水平放置时间比例D及其加权系数d，设为a+b+c+d=1时，提示以A×a+B×b+C×c+D×d定义的综合劣化度。
12.根据权利要求1～11中的任一项所述的车辆用电池的诊断装置，其特征在于，
还具备更新单元，从外部向该更新单元输入存储在上述存储单元中的代替抑制策略、上述提取单元的允许值、以及上述诊断单元的提示基准来进行更新。
13.一种车辆，安装了根据权利要求1～12中的任一项所述的车辆用电池的诊断装置。
14.一种外部信息中心，设置了根据权利要求1～12中的任一项所述的车辆用电池的诊断装置。
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