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11. 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

12. 发明专利

JP2012252986A Fuel cell system 有权
标题翻译：燃油电池系统
公开(公告)号：JP2012252986A
公开(公告)日：2012-12-20
申请号：JP2011127223
申请日：2011-06-07
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： KATO IKUYASU , OKAMIYA MINORU , SAKAGUCHI SHINYA , 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 diagnosing abnormality of an internal state of one part of a fuel cell.SOLUTION: Respective impedances of plural cell groups B1-Bn formed by dividing plural unit cells 10 into plural blocks in a lamination direction are calculated. When the cell groups having an impedance exceeding a predetermined threshold exist among the plural cell groups B1-Bn, it is diagnosed that lack of gas occurs in the fuel cell 1. Furthermore, when the number of the cell groups having an impedance exceeding the predetermined threshold is not more than a reference number among the plural cell groups B1-Bn, it is diagnosed that lack of gas occurs to one part of the fuel cell 1. When the number of the cell groups having an impedance exceeding the predetermined threshold exceeds the number of the cell groups, it is diagnosed that lack of gas occurs to the entire fuel cell 1.
摘要翻译：解决的问题：提供能够诊断一部分燃料电池的内部状态的异常的燃料电池系统。解决方案：计算通过在层叠方向上将多个单电池10分成多个块而形成的多个电池组B1-Bn的各阻抗。当在多个单元组B1-Bn中存在具有超过预定阈值的阻抗的单元组时，诊断为在燃料电池1中发生气体不足。此外，当阻抗超过预定值的单元组的数量阈值不超过多个单元组B1-Bn中的参考数，则诊断为燃料电池1的一部分不发生气体。当阻抗超过预定阈值的单元组数超过细胞组数量，被诊断为整个燃料电池1发生气体缺乏。版权所有（C）2013，JPO＆INPIT

13. 发明专利

JP2012212665A Fuel cell system 有权
标题翻译：燃油电池系统
公开(公告)号：JP2012212665A
公开(公告)日：2012-11-01
申请号：JP2012060639
申请日：2012-03-16
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： KATO IKUYASU , OKAMIYA MINORU , SAKAGUCHI SHINYA , SAKAGAMI YUICHI , 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 that can identify whether a hydrogen-deficient state is a fully-deficient state or a partially-deficient state when a fuel circulation system is applied.SOLUTION: In a fuel circulation type fuel cell system, a hydrogen concentration distribution in a hydrogen discharge manifold 17 is obtained from detection values of plural hydrogen concentration sensors 181 disposed in the hydrogen discharge manifold 17, and a hydrogen-deficient state in a fuel cell is diagnosed on the basis of the hydrogen concentration distribution. Specifically, when the average value Savg of the detection values of the respective hydrogen concentration sensors 181 is not more than a predetermined average reference concentration Y1, a fully-deficient state is identified. When the average value Savg of the detection values of the respective hydrogen concentration sensors 181 is higher than the average reference concentration Y1 and at least one of the detection values of the respective hydrogen concentration sensors 181 is not more than a partial reference concentration Y2, a partially-deficient state is identified.
摘要翻译：要解决的问题：提供一种燃料电池系统，其能够在应用燃料循环系统时识别氢缺乏状态是完全缺陷状态还是部分缺陷状态。解决方案：在燃料循环型燃料电池系统中，氢排出歧管17中的氢浓度分布从设置在氢排放歧管17中的多个氢浓度传感器181的检测值和氢排放歧管17中的氢缺乏状态基于氢浓度分布诊断燃料电池。具体地，当各个氢浓度传感器181的检测值的平均值Savg不大于预定的平均参考浓度Y1时，识别完全缺陷状态。当各个氢浓度传感器181的检测值的平均值Savg高于平均参考浓度Y1，并且各个氢浓度传感器181的检测值中的至少一个不大于部分参考浓度Y2时，a 确定部分缺陷状态。版权所有（C）2013，JPO＆INPIT

14. 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

15. 发明专利

JP2012013618A Gas concentration measuring instrument 有权
标题翻译：气体浓度测量仪器
公开(公告)号：JP2012013618A
公开(公告)日：2012-01-19
申请号：JP2010152279
申请日：2010-07-02
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： SATO YASUYUKI , SAKAGUCHI SHINYA , NAGANO MASATO , SUEMATSU KEIGO
IPC分类号： G01N27/02
摘要： PROBLEM TO BE SOLVED: To improve a measurement accuracy of a gas concentration in a gas concentration measuring instrument for measuring the gas concentration of a reaction gas in an electrochemical cell in which an electrolyte film is held by a pair of electrodes.SOLUTION: In an arithmetic unit 45 of a gas concentration measuring instrument, when varying a frequency of an alternating current signal generated in an output signal of the electrochemical cell to a low frequency from a high frequency, a frequency when a circular locus formed by a real part and an imaginary part of an alternating current impedance Z at the high frequency side reaches its top is set as a reference frequency. A variation ΔZ of a resistance component caused by dryness inside an electrochemical cell 10 is calculated from an alternating current impedance Zo at the set reference frequency fo, and an alternating current impedance in a lower frequency band than the reference frequency fo is corrected based on the calculated variation ΔZ of a resistance component.
摘要翻译：要解决的问题：为了提高气体浓度测定装置中的气体浓度的测定精度，用于测量电解质膜中电解质膜由一对电极保持的反应气体的气体浓度。解决方案：在气体浓度测量仪器的算术单元45中，当在电化学电池的输出信号中产生的交流信号的频率从高频变为低频时，当循环轨迹由高频侧的交流电流阻抗Z的实部和虚部形成的到达其顶部的电流被设定为基准频率。根据设定的基准频率fo的交流阻抗Zo计算由电化学电池单元10内的干燥引起的电阻成分的变化ΔZ，并且基于该基准频率fo来校正低于基准频率fo的低频带中的交流阻抗计算电阻分量的变化ΔZ。版权所有（C）2012，JPO＆INPIT

16. 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

17. 发明专利

JP2014203562A 燃料電池監視装置有权
标题翻译：燃料电池监测装置
公开(公告)号：JP2014203562A
公开(公告)日：2014-10-27
申请号：JP2013076733
申请日：2013-04-02
申请人：株式会社日本自動車部品総合研究所 , Nippon Soken Inc , 株式会社デンソー , Denso Corp , トヨタ自動車株式会社 , Toyota Motor Corp
发明人： ISHIKAWA YUJI , KATO IKUYASU , YAMADA TAKASHI , SAKAGAMI YUICHI , SUEMATSU KEIGO
IPC分类号： H01M8/04
CPC分类号： H01M8/04119 , H01M8/04388 , H01M8/04395 , H01M8/04402 , H01M8/0441 , H01M8/04492 , H01M8/04552 , H01M8/04582 , H01M8/04641 , H01M8/04701 , H01M2008/1095 , Y02E60/50
摘要：【課題】燃料電池内部のフラディングに依拠して変化する拡散特性を定量化して測定可能な燃料電池監視装置を提供する。【解決手段】抵抗算出部533aで算出したガス反応抵抗Rct等から反応ガスの触媒層102a、102bへの拡散の困難性を示すガス拡散抵抗Rtotalを算出すると共に、抵抗算出部533aで算出したプロトン移動抵抗Rmemから燃料電池1内部のドライアップに依拠して変化する拡散特性を示す第2拡散抵抗Rdryを算出する。そして、ガス拡散抵抗Rtotalから第2拡散抵抗Rdryを除去することで、燃料電池1内部のフラディングに依拠して変化する拡散特性を第1拡散抵抗Rwetとして定量化して測定する。【選択図】図6
摘要翻译：要解决的问题：提供一种能够量化并测量根据燃料电池内的溢流而变化的扩散性的燃料电池监测装置。解决方案：计算扩散到反应气体的催化剂层102a，102b的扩散阻力难以扩散到催化剂层102a，102b 由电阻计算部533a计算的气体反应电阻R等，由电阻计算部533a计算出的质子转移电阻R计算出第二扩散电阻Rs，其中，扩散特性根据燃料电池1内的干燥而变化。然后，根据燃料电池1内的溢流而变化的扩散特性被量化为通过从气体扩散阻力R除去第二扩散电阻R而测量的第一扩散电阻Rand。

18. 发明专利

JP2013258043A Fuel cell diagnosis device 有权
标题翻译：燃油细胞诊断装置
公开(公告)号：JP2013258043A
公开(公告)日：2013-12-26
申请号：JP2012133135
申请日：2012-06-12
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： KATO IKUYASU , OKAMIYA MINORU , SAKAGAMI YUICHI , SUEMATSU KEIGO
IPC分类号： H01M8/04 , H01M8/10
CPC分类号： Y02E60/521
摘要： PROBLEM TO BE SOLVED: To enhance diagnostic accuracy, in a fuel cell diagnosis device which diagnoses the supply state of fuel gas to a fuel cell.SOLUTION: The fuel cell diagnosis device includes a local current measuring section 41 for detecting a local current flowing through a local part of a diagnostic cell 10, a cell voltage sensor 42 for detecting the cell voltage of the diagnostic cell 10, a signal addition section 431 for superposing an AC signal of a predetermined frequency on the local current, an impedance calculation section 432 for calculating the local impedance at a local part from the cell voltage and the local current when an AC signal is superposed on the output current from the fuel cell, and a diagnosis section 433 for diagnosing the supply state of hydrogen to the fuel cell based on the local impedance. The local current sensor 412 of the local current measuring section 41 is arranged in an area where the minimum amount of current flowing per unit area goes above a predetermined reference amount of current, out of the parts corresponding to the downstream side of hydrogen flow in a hydrogen passage 101a of the diagnostic cell 10, when the supply of hydrogen is in a deficiency state.
摘要翻译：要解决的问题：为了提高诊断燃料电池向燃料电池的供给状态的燃料电池诊断装置的诊断精度。解决方案：燃料电池诊断装置包括：局部电流测量部41，用于检测流过的局部电流诊断单元10的本地部分，用于检测诊断单元10的单元电压的单元电压传感器42，用于将预定频率的交流信号叠加在局部电流上的信号添加单元431，阻抗计算单元432，用于根据来自燃料电池的输出电流叠加AC信号时，从电池电压和局部电流计算本地部分的局部阻抗;以及诊断部433，其用于基于燃料电池诊断向燃料电池供应氢的状态局部阻抗。局部电流测量部分41的局部电流传感器412布置在每单位面积流动的最小电流量超过预定参考电流量的区域中，在对应于氢气流的下游侧的部分中当氢的供给处于缺陷状态时，诊断电池10的氢通道101a。

19. 发明专利

JP2013216158A Heat source-cooling device 有权
标题翻译：热源冷却装置
公开(公告)号：JP2013216158A
公开(公告)日：2013-10-24
申请号：JP2012086549
申请日：2012-04-05
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： NISHIKAWA MICHIO , FURUKOSHI TAKURO , SUEMATSU KEIGO , KIKAWA SHUNJIRO
IPC分类号： B60K11/04 , B60L11/18 , B60W10/30 , B60W20/00 , F01P7/16
CPC分类号： B60L11/1892 , B60K11/02 , B60K11/04 , B60L1/003 , B60L3/0053 , B60L11/1885 , B60L2240/36 , B60L2260/22 , B60W10/28 , F01P7/16 , F01P11/029 , F01P2031/30 , H01M8/04029 , Y02T90/34
摘要： PROBLEM TO BE SOLVED: To prevent occurrence of cavitation which may occur in a cooling water pump 1, when a fuel cell is restarted immediately after being stopped, in a vehicle traveling with the energy of the fuel cell 2 serving as a drive energy generation device.SOLUTION: There is provided a fuel cell 2 for generating energy used to cause a vehicle to travel. A reserve tank inlet valve 10 is arranged in a position slightly nearer to an intake side of a cooling water pump 1 than a position of a cooling water circuit where pressure of cooling water controlled by the reserve tank inlet valve 10 adopts a middle value between discharge pressure of the cooling water pump 1 during driving and the intake pressure of the cooling water pump 1. Even when the fuel cell 2 stops generating power, when the temperature of the cooling water exceeds a predetermined temperature as in steps S62 and S63, the cooling water pump 1 is kept rotating even while the vehicle is traveling. The rotation of the cooling water pump 1 is stopped after the temperature of the cooling water has fallen at least to the predetermined temperature.
摘要翻译：要解决的问题为了防止在冷却水泵1中可能发生的气蚀的发生，当燃料电池在停止后立即重新启动时，在用作驱动能量产生装置的燃料电池2的能量行驶的车辆中解决方案：提供了用于产生用于使车辆行驶的能量的燃料电池2。备用油箱入口阀10布置在比冷藏水回路更靠近冷却水泵1的进气侧的位置，其中由储油罐入口阀10控制的冷却水的压力在排出口之间的中间值驱动时的冷却水泵1的压力和冷却水泵1的吸入压力。即使当燃料电池2停止发电时，如步骤S62，S63所示，当冷却水的温度超过规定温度时，水泵1即使在车辆行驶时也保持旋转。在冷却水的温度至少下降到预定温度之后，停止冷却水泵1的旋转。

20. 发明专利

JP2013125604A Fuel cell diagnosis device 有权
标题翻译：燃油细胞诊断装置
公开(公告)号：JP2013125604A
公开(公告)日：2013-06-24
申请号：JP2011272511
申请日：2011-12-13
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 , SAKAGAMI YUICHI , YAMADA TAKASHI , SUEMATSU KEIGO
IPC分类号： H01M8/04 , H01M8/02 , H01M8/10
CPC分类号： Y02E60/521
摘要： PROBLEM TO BE SOLVED: To provide a fuel cell diagnosis device capable of diagnosing a supply state of a reaction gas for a fuel cell with accuracy.SOLUTION: A fuel cell diagnosis device has: a signal application part 431 applying AC signals in different frequency domains to a fuel cell 1; a local current sensor 41 detecting a local current flowing in a local portion of a unit cell 10 to be a diagnosis target; a voltage sensor 42 detecting a voltage of the fuel cell 1; an impedance measurement part 432 measuring a first impedance Zcorresponding to the AC signal in a high frequency domain, and a second impedance Zcorresponding to the AC signal in a low frequency domain on the basis of detection values of the local current sensor 41 and the voltage sensor 42; a correction value calculation part 433 calculating a correction value Zexclusive of influences of a dry/wet state in the unit cell 10 from the second impedance Zby using the first impedance Z; and a diagnosis part 434 diagnosing a supply state of a reaction gas for the fuel cell 1 by using the correction value Zcalculated by the correction value calculation part 433.
摘要翻译：解决问题的方案：提供能够精确地诊断燃料电池的反应气体的供给状态的燃料电池诊断装置。燃料电池诊断装置具有：向燃料电池1施加不同频域的交流信号的信号施加部431; 局部电流传感器41，检测在单元10的本地部分流动的局部电流，作为诊断对象; 检测燃料电池1的电压的电压传感器42; 测量与高频域中的AC信号对应的第一阻抗Z H SB的阻抗测量部432和第二阻抗Z L < SB>基于局部电流传感器41和电压传感器42的检测值对应于低频域中的AC信号; 校正值计算部433从第二阻抗Z α > L ，通过使用第一阻抗Z H ; 以及通过使用由校正值计算部433计算出的校正值Z α来诊断燃料电池1的反应气体的供给状态的诊断部434。（C）2013，JPO＆INPIT

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