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公开(公告)号：KR1020160062618A
公开(公告)日：2016-06-02
申请号：KR1020140165612
申请日：2014-11-25
Applicant: 현대자동차주식회사
IPC: H01M8/04
CPC classification number: H01M8/04641 , G01R31/40 , H01M8/04305 , H01M8/04664 , H01M8/04932 , H01M8/04992 , H01M2008/1095
Abstract: 본발명은연료전지진단장치및 방법에관한것으로, 연료전지등가회로추정을통해연료전지의상태를진단할수 있도록하는기술이다. 이러한본 발명은특정주파수범위에서연료전지의임피던스를측정하는임피던스측정부, 임피던스측정부로부터인가되는임피던스에대응하여기 설정된연료전지등가회로모델을추정하여각 파라미터수치를도출하는등가회로모델부및 등가회로모델부에서도출된상기파라미터수치의변화를검출하여연료전지의상태를진단하는연료전지상태진단부를포함한다.
Abstract translation: 本发明涉及用于诊断燃料电池的装置和方法，更具体地说，涉及通过估计燃料电池的等效电路来诊断燃料电池的状态的技术。 根据本发明的用于诊断燃料电池的装置包括：阻抗测量单元，其测量特定频率范围内的燃料电池的阻抗; 等效电路建模单元，其响应于由阻抗测量单元施加的阻抗来估计预设的燃料电池等效电路模型，并导出各个参数值; 以及燃料电池状态诊断单元，其通过检测由等效电路建模单元导出的参数值的变化来诊断燃料电池的状态。
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公开(公告)号：KR1020150142715A
公开(公告)日：2015-12-23
申请号：KR1020140070475
申请日：2014-06-11
Applicant: 현대자동차주식회사
IPC: H01M8/04
CPC classification number: H01M8/04492 , G01R31/3651 , G01R31/3662 , H01M8/04559 , H01M8/04589 , H01M8/04649 , H01M8/04753 , H01M8/04761 , H01M8/04992 , H01M2250/20 , Y02T90/32 , H01M8/04313 , H01M8/04246 , H01M8/04664
Abstract: 연료전지스택의상태진단방법이개시된다. 본발명의일 실시예에따른연료전지스택의상태진단방법은연료전지스택에제1 주파수와제2 주파수를갖는전류를동시에인가하는단계, 인가된전류에따라상기연료전지스택에서출력되는전류와전압을푸리에변환하는단계, 변환된출력전류및 전압중 상기제1 주파수및 제2 주파수의전압과전류의진폭과위상을이용하여제1 주파수의임피던스와제2 주파수의임피던스를연산하는단계및 연산된제1 주파수의임피던스와제2 주파수의임피던스의크기에따라상기연료전지스택의상태를진단하는단계를포함한다.
Abstract translation: 公开了一种用于诊断燃料电池堆的状态的方法。 根据本发明的实施例，用于诊断燃料电池堆的状态的方法包括：向燃料电池堆同时施加具有第一频率和第二频率的电流的步骤; 根据施加的电流对从燃料电池堆输出的电流和电压进行傅立叶变换的步骤; 在变换的输出电流和电压之间使用第一频率和第二频率的电压和电流的大小和相位的步骤来计算第一频率的阻抗和第二频率的阻抗; 以及根据计算出的第一频率的阻抗的大小和计算出的第二频率的阻抗来诊断燃料电池堆的状态的步骤。
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公开(公告)号：KR101558344B1
公开(公告)日：2015-10-19
申请号：KR1020090116101
申请日：2009-11-27
Applicant: 현대자동차주식회사
Abstract: 본발명의예시적인실시예에따른연료전지스택용셀 전압모니터링단자는, 연료전지스택의단위셀들로부터출력되는전기적출력량을측정하기위한것으로서, ⅰ)상기각 단위셀의분리판단자를사이에두고이의양측에서단자하우징에각각고정되는고정부와, ⅱ)상기고정부와일체로서연결되며, 상기분리판단자에스프링력으로서접촉되는스프링부와, ⅲ)상기고정부에마련되어상기스프링부의탄성변형을실질적으로규제하는규제부를포함하여이루어진다.
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公开(公告)号：KR101550596B1
公开(公告)日：2015-09-08
申请号：KR1020090097774
申请日：2009-10-14
CPC classification number: H01M8/248 , Y10T24/318
Abstract: 본발명의예시적인실시예에따른연료전지스택은, ⅰ)다수의단위셀들을연속적으로배치하여이루어지는전기발생집합체와, ⅱ)상기전기발생집합체의양측에각각밀착되게배치되는엔드플레이트와, ⅲ)상기엔드플레이트들을강선로프로서체결하며상기전기발생집합체를상기강선로프의장력으로서가압하고, 상기강선로프의길이및 장력조절이가능하게구성되는체결장치를포함한다.
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公开(公告)号：KR1020140085803A
公开(公告)日：2014-07-08
申请号：KR1020120155395
申请日：2012-12-27
Applicant: 현대자동차주식회사 , 강남대학교 산학협력단 , 현대오트론 주식회사
CPC classification number: G01R31/40 , G01R31/3606 , H01M8/0432 , H01M8/04559 , H01M8/04589 , H01M8/04679 , Y02E60/50
Abstract: The present invention relates to a fuel cell stack diagnosis system for diagnosing malfunction and state of a fuel cell stack. According to an embodiment of the present invention, a fuel cell stack diagnosis system includes a diagnosis control analyzer for analyzing a state of a fuel cell stack by measuring a voltage and current of the fuel cell stack; an AC signal generator for generating an AC signal for diagnosis according to a control of the diagnosis control analyzer; and an AC component driving device driven according to an AC signal outputted from the AC signal generator to include an AC component for diagnosing a current of the fuel cell stack. The diagnosis control analyzer diagnoses the fuel cell stack on the basis of the current and voltage of the fuel cell stack including the AC component passing a load.
Abstract translation: 本发明涉及用于诊断燃料电池堆的故障和状态的燃料电池堆诊断系统。 根据本发明的实施例，燃料电池堆诊断系统包括：诊断控制分析器，用于通过测量燃料电池堆的电压和电流来分析燃料电池堆的状态; AC信号发生器，用于根据诊断控制分析器的控制产生用于诊断的AC信号; 以及AC分量驱动装置，其根据从AC信号发生器输出的AC信号驱动，以包括用于诊断燃料电池堆的电流的AC分量。 诊断控制分析器基于包括通过负载的AC分量的燃料电池堆的电流和电压来诊断燃料电池堆。
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Patent Agency Ranking
公开(公告)号：KR1020140085802A
公开(公告)日：2014-07-08
申请号：KR1020120155394
申请日：2012-12-27
Applicant: 현대자동차주식회사 , 강남대학교 산학협력단
CPC classification number: H01M8/04649 , G01R31/3662 , H01M8/04559 , H01M8/04589
Abstract: The present invention relates to a method and system for measuring an impedance of fuel cell stack in order for a state diagnosis of a fuel cell stack, which quickly measure an impedance for a plurality of frequencies of a fuel cell stack by using a sinusoidal signal, obtained by synthesizing different frequencies, as an impedance measurement input signal. According to an embodiment of the present invention, an impedance measurement method for a state diagnosis of a fuel cell stack includes synthesizing a plurality of sinusoidal signals having different frequencies; applying the synthesized signal as a measurement input signal to the fuel cell stack; measuring a current and voltage of the fuel cell stack; converting the measured current and voltage of the fuel cell stack in a set method; and calculating an impedance of the fuel cell stack for the different frequencies on the basis of the current and voltage of the fuel cell stack converted in the set method.
Abstract translation: 本发明涉及一种用于测量燃料电池堆的阻抗的方法和系统，以便通过使用正弦信号快速测量燃料电池堆的多个频率的阻抗来进行燃料电池堆的状态诊断， 通过合成不同的频率获得，作为阻抗测量输入信号。 根据本发明的实施例，用于燃料电池堆状态诊断的阻抗测量方法包括合成具有不同频率的多个正弦信号; 将所述合成信号作为测量输入信号施加到所述燃料电池堆; 测量燃料电池堆的电流和电压; 以设定的方式转换测量的燃料电池堆的电流和电压; 并且根据在所述设定方法中转换的燃料电池堆的电流和电压，计算不同频率的燃料电池堆的阻抗。
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公开(公告)号：KR1020140075983A
公开(公告)日：2014-06-20
申请号：KR1020120143883
申请日：2012-12-11
Applicant: 현대자동차주식회사 , 강남대학교 산학협력단 , 현대오트론 주식회사
CPC classification number: H01M8/04679 , H01M8/04492 , H01M8/04649 , Y02E60/50
Abstract: The method for diagnosing a failure of a fuel cell stack comprises the following steps: supplying a driving current having a first optimal frequency of a first frequency area to diagnose a cell voltage decrease and a second optimal frequency of a second frequency area to diagnose a cause of the cell voltage decrease to a fuel cell stack; calculating a distortion rate based on a voltage of the fuel cell stack according to the driving current of the first optimal frequency; diagnosing the cell voltage decrease based on the calculated distortion rate; calculating impedance based on the voltage and a current of the fuel cell stack according to the driving current of the second optimal frequency; and diagnosing the cause of the cell voltage decrease based on the calculated impedance.
Abstract translation: 用于诊断燃料电池堆故障的方法包括以下步骤：提供具有第一频率区域的第一最佳频率的驱动电流以诊断电池电压降低和第二频率区域的第二最佳频率以诊断原因 的电池电压降低到燃料电池堆; 根据第一最佳频率的驱动电流，计算出基于燃料电池堆的电压的失真率; 基于计算的失真率诊断电池电压降低; 根据第二最佳频率的驱动电流，计算出基于燃料电池堆的电压和电流的阻抗; 并根据计算出的阻抗来诊断电池电压的原因。
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公开(公告)号：KR101316243B1
公开(公告)日：2013-10-08
申请号：KR1020110029198
申请日：2011-03-31
Applicant: 현대자동차주식회사
Abstract: 본 발명은 차량의 운행에 지장을 주지 않고, 차량의 일상적인 운행과정 속에서 차량에 탑재되어 있는 연료전지스택의 전해질막 상태를 신속하고 정확하게 진단할 수 있도록 함으로써, 연료전지차량의 상품성을 더욱 향상시킬 수 있도록 한 연료전지스택의 전해질막 고장 진단 방법을 제공한다.
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公开(公告)号：KR1020120096614A
公开(公告)日：2012-08-31
申请号：KR1020110015794
申请日：2011-02-23
Applicant: 현대자동차주식회사
Abstract: PURPOSE: A method for detecting hydrogen supply system is provided to accurately detect malfunction of hydrogen supply system by using dynamic artificial network at low temperature operation. CONSTITUTION: A method for detecting hydrogen supply system comprises: a step of collecting various information for predicting hydrogen temperature at hydrogen outlet of a stack, while operating a fuel cell stack at low temperature; a step of forming an artificial nerve network control device(10); a step of inputting a temperature of a coolant inlet, a stack current, and a assumed temperature of a hydrogen outlet on an input node of an input layer(12); a step of comparing input variable information with map information, and outputting the assumed temperature of the hydrogen outlet through an output layer; and a step of diagnosing a step of diagnosing a state of hydrogen supply system by comparing the output assumed temperature of the hydrogen outlet with measured temperature of the hydrogen outlet.
Abstract translation: 目的：提供一种检测氢气供应系统的方法，通过在低温运行中使用动态人造网络来精确检测供氢系统的故障。 构成：用于检测氢气供应系统的方法包括：在低温操作燃料电池堆的同时收集用于预测堆叠的氢气出口处的氢气温度的各种信息的步骤; 形成人造神经网络控制装置（10）的步骤; 在输入层（12）的输入节点上输入冷却剂入口的温度，堆叠电流和氢出口的假定温度的步骤; 将输入变量信息与地图信息进行比较的步骤，通过输出层输出氢气出口的假设温度; 以及通过将氢出口的输出假定温度与氢出口的测量温度进行比较来诊断氢供给系统的状态的步骤的步骤。
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公开(公告)号：KR101090705B1
公开(公告)日：2011-12-08
申请号：KR1020100117862
申请日：2010-11-25
Applicant: 현대자동차주식회사 , 강남대학교 산학협력단
CPC classification number: H01M8/04992 , G01R31/3606 , H01M8/04313 , H01M8/04559 , H01M8/04589 , H01M2008/1095 , H01M2250/20 , Y02E60/50 , Y02T90/32
Abstract: PURPOSE: A method for monitoring a fuel cell stack state is provided to use a diagnostic signal for responding to a frequency, thereby increasing diagnostic analyzing performance. CONSTITUTION: A diagnostic device(30) includes a signal generator(31) which generates a diagnostic signal for responding to a frequency. The signal generator applies the diagnostic signal to a load connection terminal of a fuel cell stack(10) through a signal line. The signal generator generates a diagnostic signal for responding to a multiple frequency. The diagnostic device measures the voltage and the current of the stack. The diagnostic device connects a load(20) in case of diagnosis.
Abstract translation: 目的：提供一种用于监测燃料电池堆状态的方法，以使用诊断信号来响应频率，从而增加诊断分析性能。 构成：诊断装置（30）包括产生用于响应频率的诊断信号的信号发生器（31）。 信号发生器通过信号线将诊断信号施加到燃料电池堆（10）的负载连接端子。 信号发生器产生用于响应多个频率的诊断信号。 诊断装置测量堆的电压和电流。 诊断装置在诊断的情况下连接负载（20）。
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