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1. 发明专利

JP2013152823A Fuel cell system 有权
标题翻译：燃油电池系统
公开(公告)号：JP2013152823A
公开(公告)日：2013-08-08
申请号：JP2012012338
申请日：2012-01-24
申请人： Denso Corp , 株式会社デンソー , Toyota Motor Corp , トヨタ自動車株式会社
发明人： IZUHARA HIDETSUGU , SAKAGAMI YUICHI , TANAKA TORU , SUEMATSU KEIGO
IPC分类号： H01M8/04 , H01M8/10
CPC分类号： H01M8/04119 , H01M8/04179 , H01M8/04641 , H01M8/04955 , Y02E60/50
摘要： PROBLEM TO BE SOLVED: To provide a fuel cell system capable of executing scavenging processing so that an inside of a fuel cell has an optimal moisture content.SOLUTION: A wet region 10b and a dry region 10c are set to a cell 10 according to a moisture content distribution inside the cell 10 when executing scavenging processing so that a total moisture content inside a fuel cell becomes a moisture content required for the fuel cell when starting the fuel cell in advance. Then, an impedance at a local portion 10d positioned at a boundary between the wet region 10b and the dry region 10c of the cell 10 is measured by an impedance measurement part. Furthermore, scavenging processing is completed by a control part when a measurement value at the impedance measurement part is not less than a reference threshold value.
摘要翻译：要解决的问题：提供一种能够执行清除处理以使得燃料电池内部具有最佳含水量的燃料电池系统。解决方案：将湿区域10b和干燥区域10c根据当进行清扫处理时，使得燃料电池内的总含水量成为预先启动燃料电池时燃料电池所需的水分含量，从而使电池10内的水分含量分布成为燃料电池内的总含水量。然后，通过阻抗测量部分测量位于电池10的湿区域10b和干燥区域10c之间的边界处的局部部分10d处的阻抗。此外，当阻抗测量部分的测量值不小于参考阈值时，由控制部分完成扫气处理。

2. 发明专利

JP2013109949A Fuel cell system 审中-公开
标题翻译：燃油电池系统
公开(公告)号：JP2013109949A
公开(公告)日：2013-06-06
申请号：JP2011253988
申请日：2011-11-21
申请人： Denso Corp , 株式会社デンソー , Toyota Motor Corp , トヨタ自動車株式会社
发明人： IZUHARA HIDETSUGU , SAKAGAMI YUICHI , TANAKA TORU , SUEMATSU KEIGO
IPC分类号： H01M8/04 , H01M8/10
CPC分类号： Y02E60/521
摘要： PROBLEM TO BE SOLVED: To provide a fuel cell system, adapted to diagnose the fuel battery state of opposite air and hydrogen flows inside the cell, which, when in a high temperature high load state, enables the wet state of the fuel battery to be diagnosed before its output drops.SOLUTION: A fuel battery is constructed so that, when in a high temperature high load state, the wet state of the fuel battery is diagnosed on the basis of impedance on a hydrogen inlet 14a side of a hydrogen passage 14 of a cell 10. This makes it possible for the wet state of the fuel battery to be diagnosed before its output drops. As a result, a reduction in the output of the fuel battery can be avoided. On the other hand, when the fuel battery is in a low temperature or a low load state, the wet state of the fuel battery is diagnosed on the basis of impedance on an air inlet 15a side of an air passage 15 of the cell 10.
摘要翻译：要解决的问题：提供一种燃料电池系统，其适于诊断电池内的相对空气和氢气流的燃料电池状态，当处于高温高负载状态时，能够使燃料的湿润状态电池在其输出下降之前被诊断。解决方案：燃料电池被构造成使得当处于高温高负载状态时，基于电池的氢通道14的氢气入口14a侧的阻抗来诊断燃料电池的湿润状态这使得可以在其输出下降之前诊断燃料电池的湿润状态。结果，可以避免燃料电池的输出的减少。另一方面，当燃料电池处于低温或低负载状态时，基于电池单元10的空气通道15的空气入口15a侧的阻抗来诊断燃料电池的湿润状态。版权所有（C）2013，JPO＆INPIT

3. 发明专利

JP2013118140A Fuel cell system 有权
标题翻译：燃油电池系统
公开(公告)号：JP2013118140A
公开(公告)日：2013-06-13
申请号：JP2011265878
申请日：2011-12-05
申请人： Denso Corp , 株式会社デンソー , Toyota Motor Corp , トヨタ自動車株式会社
发明人： YAMADA TAKASHI , SAKAGAMI YUICHI , IZUHARA HIDETSUGU , SUEMATSU KEIGO
IPC分类号： H01M8/04 , H01M8/10
CPC分类号： Y02E60/521
摘要： PROBLEM TO BE SOLVED: To provide a fuel cell system capable of suppressing delay of diagnosis of a fuel cell with a simple configuration.SOLUTION: A fuel cell system includes: a fuel cell 1 composed by laminating a plurality of battery cells 10a which generate electric energy through electrochemical reaction of oxygen and hydrogen; a current difference detecting device 100 which is arranged adjacently in a lamination direction of the battery cells 10a relating to at least one battery cell 10a of the plurality of battery cells 10a, and detects physical quantity correlating with difference between currents flowing at least two portions in the battery cells 10a adjacently arranged; and state diagnostic means which diagnoses state of the fuel cell 1 according to a detection value detected by the current difference detecting device 100.
摘要翻译：解决的问题：提供能够以简单的结构抑制燃料电池的诊断延迟的燃料电池系统。燃料电池系统包括：燃料电池1，其通过层叠多个通过氧和氢的电化学反应产生电能的电池单体10a; 电流差检测装置100，其与电池单体10a的层叠方向相邻配置，与多个电池单元10a的至少一个电池单元10a相关，并且检测与流过至少两个部分的电流之间的差异相关的物理量电池单元10a相邻布置; 以及根据由电流差检测装置100检测出的检测值来诊断燃料电池1的状态的状态诊断单元。（C）2013，JPO＆INPIT

4. 发明专利

JP2013008568A Device for diagnosing condition of fuel cell 有权
标题翻译：用于诊断燃料电池状态的装置
公开(公告)号：JP2013008568A
公开(公告)日：2013-01-10
申请号：JP2011140728
申请日：2011-06-24
申请人： Nippon Soken Inc , 株式会社日本自動車部品総合研究所 , Denso Corp , 株式会社デンソー , Toyota Motor Corp , トヨタ自動車株式会社
发明人： OKAMIYA MINORU , KATO IKUYASU , SAKAGUCHI SHINYA , IZUHARA HIDETSUGU , SUEMATSU KEIGO
IPC分类号： H01M8/04 , H01M8/10
CPC分类号： Y02E60/521
摘要： PROBLEM TO BE SOLVED: To provide a device for diagnosing a condition of a fuel cell, which can conduct a diagnosis while distinguishing a shortage of a fuel gas and a shortage of an oxidant gas.SOLUTION: The device for diagnosing the condition of the fuel cell calculates impedance in a first local portion (for instance, in a vicinity of a hydrogen outlet 103b) at which a concentration of oxygen contained in air in a unit cell 10 that is a diagnosis object is high and a concentration of hydrogen tends to be low, also calculates impedance in a second local portion (for instance, in a vicinity of an air outlet 104b) at which a concentration of hydrogen in the unit cell 10 that is the diagnosis object is high and a concentration of oxygen contained in air tends to be low, and then diagnoses the shortage of hydrogen on the basis of the impedance detected in the first local portion and diagnoses the shortage of oxygen on the basis of the impedance detected in the second local portion.
摘要翻译：要解决的问题：提供一种用于诊断燃料电池的状态的装置，其能够在区分燃料气体短缺和氧化剂气体短缺的同时进行诊断。解决方案：用于诊断燃料电池状态的装置计算在单电池10中的空气中所含的氧浓度的第一局部部分（例如，氢出口103b附近）的阻抗，诊断对象高且氢浓度倾向于低的情况，还计算在单元电池10中的氢浓度为第二局部部分（例如在空气出口104b附近）的阻抗诊断对象高，并且空气中含有的氧浓度倾向于低，然后基于在第一局部部分检测到的阻抗来诊断氢的不足，并且基于检测到的阻抗来诊断氧的不足在第二个本地部分。版权所有（C）2013，JPO＆INPIT

5. 发明专利

JP2012078339A Gas concentration measuring device 有权
标题翻译：气体浓度测量装置
公开(公告)号：JP2012078339A
公开(公告)日：2012-04-19
申请号：JP2011087055
申请日：2011-04-11
申请人： Denso Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社デンソー
发明人： IZUHARA HIDETSUGU , SAKAGUCHI SHINYA , SUEMATSU KEIGO
IPC分类号： G01N27/02 , H01M8/04 , H01M8/10
CPC分类号： Y02E60/521
摘要： PROBLEM TO BE SOLVED: To shorten a measuring time when measuring gas concentration of oxidant gas.SOLUTION: There is provided a gas concentration measuring device which comprises: a DC-DC converter 3 that applies an AC signal obtained by synthesizing a measuring frequency fm and a high frequency fh to an output signal of a fuel battery 1; a current measuring device 51 and a voltage sensor 52 that detect an output current and an output voltage of the fuel battery 1, respectively; an impedance calculation means 53 that, based on the output current and the output voltage when the DC-DC converter 3 applies the AC signal, calculates an internal impedance Z corresponding to the measuring frequency fm as well as a high frequency impedance Zh corresponding to the high frequency fh; a specific impedance calculation means 54a that calculates a specific impedance Z' varying according to change in gas concentration of oxidant gas from the internal impedance Z; a phase angle calculation means 54b that calculates a phase angle θ of the specific impedance Z'; and a gas concentration calculation means 54c that, based on the phase angle θ of the specific impedance Z', calculates oxygen concentration.
摘要翻译：要解决的问题：测量氧化剂气体的浓度时缩短测量时间。提供了一种气体浓度测量装置，其包括：DC-DC转换器3，其将通过将测量频率fm和高频率fh合成而获得的AC信号应用于燃料电池1的输出信号; 分别检测燃料电池1的输出电流和输出电压的电流测量装置51和电压传感器52; 阻抗计算装置53，当DC-DC转换器3施加AC信号时，基于输出电流和输出电压计算与测量频率fm对应的内部阻抗Z以及对应于高频率fh 特定阻抗计算装置54a，其计算根据来自内部阻抗Z的氧化剂气体的气体浓度的变化而变化的特定阻抗Z' 计算特定阻抗Z'的相位角θ的相位角计算装置54b; 以及基于特定阻抗Z'的相位角θ计算氧浓度的气体浓度计算单元54c。版权所有（C）2012，JPO＆INPIT

6. 发明专利

JP2011187432A Local current measuring device of fuel cell and fuel cell diagnosis device 审中-公开
标题翻译：燃料电池和燃料电池诊断装置的本地电流测量装置
公开(公告)号：JP2011187432A
公开(公告)日：2011-09-22
申请号：JP2010186357
申请日：2010-08-23
申请人： Denso Corp , Nippon Soken Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社デンソー , 株式会社日本自動車部品総合研究所
发明人： OKAMIYA MINORU , KATO IKUYASU , SAKAGUCHI SHINYA , IZUHARA HIDETSUGU , SUEMATSU KEIGO
IPC分类号： H01M8/04 , G01R19/00 , G01R33/02 , H01M8/10
CPC分类号： Y02E60/521
摘要： PROBLEM TO BE SOLVED: To provide a local current measuring device measuring a local current of a fuel cell with a simple structure and a high accuracy, and a fuel cell diagnosis device diagnosing an operation state of the fuel cell with a simple structure and a high accuracy. SOLUTION: As seen from a laminating direction of a cell 21, a hydrogen side magnetic material core 51 is arranged so that a part thereof is exposed to an outside of the fuel cell 20 and that the remaining part thereof surrounds a region (local area) including a proximity of a fuel gas side outlet inside the cell 21, and an air side magnetic material core 52 is arranged so that the remaining part surrounds a region (local area) including a proximity of an oxidizer gas outlet inside the cell 21. Furthermore, at the part of the hydrogen side magnetic material core 51 and the air side magnetic material core 52 exposed to the outside of the fuel cell 20, the local currents flowing through the regions surrounded by the magnetic material cores 51, 52 are detected by magnetic sensors 54a, 54b detecting magnetic field intensity formed in the magnetic material cores 51, 52, respectively. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种以简单结构和高精度测量燃料电池的局部电流的局部电流测量装置，以及以简单结构诊断燃料电池的操作状态的燃料电池诊断装置并具有高精度。解决方案：从电池21的层叠方向看，氢侧磁性材料芯51布置成使其一部分暴露于燃料电池20的外部，并且其余部分围绕区域（局部区域）包括电池单元21内的燃料气体侧出口附近以及空气侧磁性材料芯体52，使得剩余部分包围包括电池内的氧化剂气体出口附近的区域（局部区域）此外，在氢侧磁性材料芯51和暴露于燃料电池20的外部的空气侧磁性材料芯52的部分，流过由磁性材料芯51,52包围的区域的局部电流为由磁传感器54a，54b分别检测形成在磁性材料芯51,52中的磁场强度。版权所有（C）2011，JPO＆INPIT

7. 发明专利

JP2012199010A Fuel cell status diagnostic device 有权
标题翻译：燃料电池状态诊断装置
公开(公告)号：JP2012199010A
公开(公告)日：2012-10-18
申请号：JP2011061073
申请日：2011-03-18
申请人： Nippon Soken Inc , Denso Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社デンソー , 株式会社日本自動車部品総合研究所
发明人： OKAMIYA MINORU , SAKAGUCHI SHINYA , IZUHARA HIDETSUGU , SUEMATSU KEIGO
IPC分类号： H01M8/04 , H01M8/10
CPC分类号： Y02E60/521
摘要： PROBLEM TO BE SOLVED: To provide a fuel cell status diagnostic device which can diagnose the status of a fuel cell without causing an increase in the number of components.SOLUTION: The fuel cell status diagnostic device comprises an AC current application unit 51 which applies an AC current having a predetermined waveform to a fuel cell 1, a local current detection unit 4 which detects a local current flowing to a local part of a unit cell 10 to be diagnosed, an operation unit 521 which extracts the AC component from a local current and calculates the frequency characteristics in the AC component, and status diagnosis means 62 which diagnoses the status of the fuel cell based on the correspondence of the frequency characteristics in the AC component and the frequency characteristics in the local current. Since cell voltage detection means for detecting the cell voltage of the unit cell 10 is not required, the status of the fuel cell 1 can be diagnosed without causing an increase in the number of components.
摘要翻译：要解决的问题：提供一种能够在不引起部件数量增加的情况下诊断燃料电池的状态的燃料电池状态诊断装置。燃料电池状态诊断装置包括向燃料电池1施加具有预定波形的交流电流的交流电流施加单元51，检测流向本地部分的局部电流的局部电流检测单元4 要被诊断的单位电池10，从局部电流提取AC分量并计算AC分量中的频率特性的操作单元521以及基于所述AC分量的对应关系来诊断燃料电池的状态的状态诊断装置62 交流分量的频率特性和局部电流的频率特性。由于不需要用于检测单元电池10的电池电压的电池电压检测装置，因此可以诊断燃料电池1的状态而不会增加元件数量。版权所有（C）2013，JPO＆INPIT

8. 发明专利

JP2011065985A Fuel cell diagnosis device 有权
标题翻译：燃油细胞诊断装置
公开(公告)号：JP2011065985A
公开(公告)日：2011-03-31
申请号：JP2010183140
申请日：2010-08-18
申请人： Denso Corp , Nippon Soken Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社デンソー , 株式会社日本自動車部品総合研究所
发明人： OKAMIYA MINORU , SAKAGUCHI SHINYA , KIKAWA SHUNJIRO , IZUHARA HIDETSUGU , SUEMATSU KEIGO
IPC分类号： H01M8/04 , H01M8/10
CPC分类号： Y02E60/521
摘要： PROBLEM TO BE SOLVED: To diagnose power generation condition of a plurality of power generation cells of a fuel cell with a simple structure and without giving an adverse effect to the power generation performance of the fuel cell.
SOLUTION: The fuel cell diagnosis device is provided with a pair of magnetic sensors 53, 54 which are arranged at two places around the outer periphery of power generation cells 10 and detect intensity of the magnetic field formed at the outer circumference of the fuel cell 1 by electric current flowing in the fuel cell 1, magnetic collectors 531, 541 which are arranged adjacent to the magnetic sensors 53, 54 at the outer periphery of the fuel cell 1, extend along the lamination direction of the plurality of power generation cells 10, and collect the magnetic field formed at the outer circumference of the plurality of power generation cells 10 to the magnetic sensors 53, 54, and a diagnosis means (control device) 50 which calculates deviation of current (magnetic force difference) in the cell surface of the plurality of power generation cells 10 by the detection value detected by the pair of magnetic sensors 53, 54, and diagnoses the power generation condition of the fuel cell 1 based on the deviation of current (magnetic force difference) calculated.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：以简单的结构诊断燃料电池的多个发电单元的发电状况，并且不会对燃料电池的发电性能产生不利影响。解决方案：燃料电池诊断装置设置有一对磁传感器53,54，其被布置在发电单元10的外周周围的两个位置处，并且检测形成在发电单元10的外周的磁场的强度通过在燃料电池1中流动的电流的燃料电池1，在燃料电池1的外周与磁性传感器53,54相邻配置的集电体531,541沿着多个发电的层叠方向延伸并且将形成在多个发电单元10的外周的磁场收集到磁传感器53,54，以及诊断单元（控制装置）50，该诊断单元计算电流（磁力差）通过由一对磁传感器53,54检测出的检测值来检测多个发电单元10的电池表面，并且诊断燃料电池1 bas的发电状态计算电流偏差（磁力差）。版权所有（C）2011，JPO＆INPIT

9. 发明专利

JP2012221878A Fuel cell system 有权
标题翻译：燃油电池系统
公开(公告)号：JP2012221878A
公开(公告)日：2012-11-12
申请号：JP2011089209
申请日：2011-04-13
申请人： Denso Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社デンソー
发明人： SAKAGUCHI SHINYA , IZUHARA HIDETSUGU , SUEMATSU KEIGO
IPC分类号： H01M8/04 , H01M8/10
CPC分类号： Y02E60/521
摘要： PROBLEM TO BE SOLVED: To provide a fuel cell system in which the internal resistance of a fuel cell can be measured reliably regardless of the load on the fuel cell.SOLUTION: The fuel cell system comprises a DC-DC converter 3 which applies an AC signal of a predetermined frequency to the output signal from a fuel cell 1, a current measurement device 51 which detects the output current from the fuel cell 1, a voltage sensor 52 which detects the output voltage from the fuel cell 1, internal resistance calculation means 53 for calculating the internal resistance based on the output current and the output voltage when an AC signal is applied by the DC-DC converter 3, and amplitude voltage determination means 600 for determining the amplitude voltage of the AC signal being applied by the DC-DC converter 3. The amplitude voltage determination means 600 determines the amplitude voltage of the AC signal being applied by the DC-DC converter 3 to increase as the slope of the current/voltage characteristics indicating the relation of the output current and the output voltage increases.
摘要翻译：要解决的问题：提供一种能够可靠地测量燃料电池的内部电阻而不管燃料电池的负载如何的燃料电池系统。解决方案：燃料电池系统包括对来自燃料电池1的输出信号施加预定频率的AC信号的DC-DC转换器3，检测来自燃料电池1的输出电流的电流测量装置51 检测来自燃料电池1的输出电压的电压传感器52;内部电阻计算单元53，用于根据输出电流和DC-DC变换器3施加的交流信号时的输出电压来计算内部电阻;以及幅度电压确定装置600，用于确定由DC-DC转换器3施加的AC信号的幅度电压。幅度电压确定装置600确定由DC-DC转换器3施加的AC信号的幅度电压增加为表示输出电流与输出电压的关系的电流/电压特性的斜率增加。版权所有（C）2013，JPO＆INPIT

10. 发明专利

JP2013214454A Local current measurement device 审中-公开
标题翻译：本地电流测量装置
公开(公告)号：JP2013214454A
公开(公告)日：2013-10-17
申请号：JP2012084899
申请日：2012-04-03
申请人： Denso Corp , 株式会社デンソー
发明人： YAMADA TAKASHI , SAKAGAMI YUICHI , IZUHARA HIDETSUGU
IPC分类号： H01M8/04 , H01M8/10
CPC分类号： H01M8/04582 , G01R31/3606 , G01R31/3658 , H01M2008/1095
摘要： PROBLEM TO BE SOLVED: To enhance measurement accuracy of a local current output from a local part of a cell in a fuel battery.SOLUTION: In a current measuring part 30 located adjacently to a local part of a cell 10, an upstream measurement part 31 and a downstream measurement part 33 are provided. Furthermore, an intermediate conductive part 32 conducting, respectively, to a local part of the cell 10 and the periphery thereof is provided between the measurement parts 31, 33. Based on the relationship of the current flow upstream side and downstream side of the intermediate conductive part 32 affected by the sneak current, a current value of the upstream measurement part 31 detected by a current detection part 4 is corrected, thus estimating a local current actually output from a local part of the cell 10.
摘要翻译：要解决的问题：提高从燃料电池中的电池本地部分输出的局部电流的测量精度。解决方案：在与电池10的局部部分相邻的电流测量部30中，上游测量部31 并提供下游测量部33。此外，在测量部件31,33之间设置有分别导电到电池单元10的局部部分及其周边的中间导电部件32.基于中间导电体的电流上游侧和下游侧的关系部分32受潜行电流的影响，校正由电流检测部分4检测的上游测量部分31的当前值，从而估计从单元10的本地部分实际输出的局部电流。

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