CN112389278A - 一种氢燃料电池混合动力系统的怠速工况控制方法 - Google Patents
一种氢燃料电池混合动力系统的怠速工况控制方法 Download PDFInfo
- Publication number
- CN112389278A CN112389278A CN202011327366.1A CN202011327366A CN112389278A CN 112389278 A CN112389278 A CN 112389278A CN 202011327366 A CN202011327366 A CN 202011327366A CN 112389278 A CN112389278 A CN 112389278A
- Authority
- CN
- China
- Prior art keywords
- fuel cell
- cell system
- voltage
- super capacitor
- hydrogen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/30—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/40—Electric propulsion with power supplied within the vehicle using propulsion power supplied by capacitors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/75—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using propulsion power supplied by both fuel cells and batteries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- 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
- B60L53/20—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 characterised by converters located in the vehicle
- B60L53/22—Constructional details or arrangements of charging converters specially adapted for charging electric vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/30—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells
- B60L58/31—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for starting of fuel cells
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/40—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for controlling a combination of batteries and fuel cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Fuel Cell (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
本发明提供一种氢燃料电池混合动力系统的怠速工况控制方法,步骤为:燃料电池系统无功率输出或车辆处于停止和制动时,根据燃料电池系统的电压或超级电容系统的电压或镍氢电池系统的SOC判断燃料电池系统是否从正常运行模式进入怠速工作状态,若是,则燃料电池系统在最低功率工作,关闭空气系统,利用DC/DC变换器小电流拉载,判断燃料电池系统的单体电压是否小于等于200mV,若是,则关闭氢气系统,使燃料电池系统进入怠速停机等待;之后根据燃料电池系统的需求功率或超级电容系统的电压或镍氢电池系统的SOC判断是否重启燃料电池系统,若是,则重新启动燃料电池系统进入正常运行模式。
Description
技术领域
本发明涉及氢燃料电池技术领域,尤其涉及一种氢燃料电池混合动力系统的怠速工况控制方法。
背景技术
能源问题和环境保护已经成为人类社会可持续发展战略的核心,影响着世界各国的能源决策和科技导向。燃料电池能量转化效率高,且无噪音、无污染,正在成为理想的能源利用方式,其高效、清洁、可再生等特点使它在未来交通、运输、通讯等领域都有广阔的应用前景。燃料电池是直接将燃料反应产生的化学能直接转换成电能的装置。质子交换膜燃料电池(PEMFC)是目前汽车和便携式电源领域研究和开发的热点。燃料电池动态响应慢,在加速、爬坡等一些车辆运行工况时,负载的突然变化对燃料电池是一种很大的负担。如果仅用燃料电池作为动力源为整个汽车附件设备供电,会使燃料电池效率较低,从而使其性能下降。因此以质子燃料电池作为主要动力源,其他能源设备作为辅助动力源的混合动力汽车也越来越多。一些燃料电池汽车在怠速工况下的运行引起的电池性能衰减也是一个不容忽视的问题。这些问题也制约着燃料电池汽车的发展过程。
在燃料电池混合动力汽车的使用寿命内,燃料电池混合动力汽车在怠速工况下运行时,其燃料电池电池单体的电压工作范围在0.85-0.9V之间,较高的电位也会使燃料电池材料与性能发生衰减,影响电池的寿命。因此要合理控制燃料电池汽车在怠速工况下燃料电池的工作区间,使其在怠速工况下能量合理分配,使其保证较高的效率和合理的燃料利用率。
发明内容
有鉴于此,本发明提供了一种适用于燃料电池、镍氢电池和超级电容的混合动力系统的怠速工况的控制方法。
本发明提供一种氢燃料电池混合动力系统的怠速工况控制方法,包括以下步骤:
S1,燃料电池系统无功率输出或车辆处于停止和制动时,根据燃料电池系统的电压或超级电容系统的电压或镍氢电池系统的SOC判断燃料电池系统是否从正常运行模式进入怠速工作状态,若是,则到步骤S2;若否,则使燃料电池系统继续保持正常运行;
S2,燃料电池系统自动进入怠速工作状态,并在其最低功率工作,关闭空气系统,利用DC/DC变换器小电流拉载以降低燃料电池系统的电压,燃料电池系统判断燃料电池单体电压是否小于等于200mV,若是,则到步骤S3;若否,则继续利用DC/DC变换器小电流拉载;
S3,关闭氢气系统,使燃料电池系统进入怠速停机等待状态;
S4,燃料电池系统进入怠速停机等待状态后,根据燃料电池系统的需求功率或超级电容系统的电压或镍氢电池系统的SOC判断是否重启燃料电池系统,若是,则到步骤S5;若否,则继续保持燃料电池系统为怠速停机等待状态;
S5,燃料电池系统重新启动进入正常运行模式,满足整车需求功率和给超级电容系统和镍氢电池系统充电。
进一步地,所述氢燃料电池混合动力系统包括镍氢电池系统、燃料电池系统和超级电容系统,所述镍氢电池系统、燃料电池系统和超级电容系统同时为整车系统供电,在整车能量需求较大,用镍氢电池和超级电容来进行短时间的大功率输出,超级电容来实现快充快放,弥补燃料电池动态响应慢、短时间的功率跟随慢的问题。
进一步地,步骤S1中,利用整车控制器采集超级电容系统的电压和镍氢电池系统的SOC,并将超级电容系统的电压和镍氢电池系统的SOC发送给燃料电池系统,当燃料电池系统的总电压大于等于燃料电池系统进入怠速工况的预定电压或超级电容系统的电压大于等于超级电容系统进入怠速工况的预定电压上限或镍氢电池系统的SOC大于等于燃料电池系统进入怠速工况的镍氢电池系统的SOC预定上限时,判断结果为是。
进一步地,步骤是S4中,利用整车控制器采集超级电容系统的电压和镍氢电池系统的SOC,并将燃料电池系统的需求功率、超级电容系统的电压和镍氢电池系统的SOC发送给燃料电池系统,当燃料电池系统的需求功率大于等于燃料电池系统重新启动的预定功率下限或超级电容系统的电压小于等于燃料电池系统重新启动的超级电容预定电压的下限或镍氢电池系统的SOC小于等于燃料电池系统重新启动的镍氢电池系统的SOC预定下限时,判断结果为是。
进一步地,所述氢燃料电池混合动力系统还包括功率分配模块和电机控制器,功率分配模块中超级电容系统与镍氢电池系统的功率流向是双向的,可充可放;电机控制器的功率流向也是双向的,可以实现扭矩输出与制动能量回收;燃料电池系统和电机控制器的功率流向是双向的。
本发明提供的技术方案带来的有益效果是:本发明提供的怠速控制方法在燃料电池系统无功率输出或车辆处于停止和制动时,根据系统状态使燃料电池系统进入怠速停止模式,在燃料电池系统有输出功率请求时,燃料电池系统再重新启动,使燃料电池混合动力系统在怠速工况下能量分配更加合理有效,保证混合动力系统的氢气利用率,更有利于提高混合动力系统的燃料利用率,延长燃料电池系统的使用寿命。
附图说明
图1是本发明一种氢燃料电池混合动力系统的怠速工况控制方法的流程示意图。
图2是本发明氢燃料电池混合动力系统的结构示意图。
图3是本发明氢燃料电池混合动力系统的功率流向示意图。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚,下面将结合附图对本发明实施方式作进一步地描述。
请参考图1,本发明的实施例提供了一种氢燃料电池混合动力系统的怠速工况控制方法,包括以下步骤:
步骤S1,在燃料电池系统无功率输出或车辆处于停止和制动时,燃料电池系统会给其他动力源充电,在完成充电后,若无功率输出,燃料电池系统的电压会上升,输出电流将变小,利用整车控制器采集超级电容系统的电压和镍氢电池系统的SOC,并将超级电容系统的电压和镍氢电池系统的SOC发送给燃料电池系统,燃料电池系统判断其总电压是否大于等于燃料电池系统进入怠速工况的预定电压或超级电容系统的电压是否大于等于超级电容系统进入怠速工况的预定电压上限或镍氢电池系统的SOC是否大于等于燃料电池系统进入怠速工况的镍氢电池系统的SOC预定上限,若是,则到步骤S2;若否,则使燃料电池系统继续保持正常运行模式;其中,燃料电池系统(240片电堆)进入怠速工况的预定电压值可以设定为燃料电池开始接入DC/DC的电压值,这里设为204V,超级电容系统进入怠速工况的预定电压上限为超级电容充满电状态附近的电压490V,燃料电池系统进入怠速工况的镍氢电池系统的SOC预定上限设定为85%;
步骤S2,燃料电池系统从正常运行模式自动进入到怠速工作状态,并在最低功率工作,关闭空气系统,利用DC/DC变换器小电流拉载以降低燃料电池系统的电压,燃料电池系统判断其单体电压是否小于等于200mV,若是,则到步骤S3;若否,则继续利用DC/DC变换器小电流拉载;
步骤S3,关闭氢气系统,使燃料电池系统进入怠速停机等待状态;
步骤S4,燃料电池系统进入怠速停机等待状态后,整车控制器采集超级电容系统的电压和镍氢电池系统的SOC,并将燃料电池系统的需求功率、超级电容系统的电压和镍氢电池系统的SOC发送给燃料电池系统,燃料电池系统判断其需求功率是否大于等于燃料电池系统重新启动的预定功率下限或超级电容系统的电压是否小于等于燃料电池系统重新启动的超级电容预定电压的下限或镍氢电池系统的SOC是否小于等于燃料电池系统重新启动的镍氢电池系统的SOC预定下限,若是,则到步骤S5;若否,则继续保持燃料电池系统为怠速停机等待状态;其中,燃料电池系统重新启动的预定功率下限可以设定为8kw,燃料电池系统重新启动的超级电容预定电压的下限可以设定为450V,燃料电池系统重新启动的镍氢电池系统的SOC预定下限可以设定为75%;
步骤S5,燃料电池系统重新启动进入正常运行模式,满足整车需求功率和给超级电容系统和镍氢电池系统充电。
图1中,V_fc表示燃料电池系统的总电压,U_fc表示燃料电池系统进入怠速工况的预定电压,V_sc表示超级电容系统的电压,U_up_limit表示超级电容系统进入怠速工况的预定电压上限,P_fc表示燃料电池系统的需求功率,P_down_limit表示燃料电池系统重新启动的预定功率下限,U_down_limit表示燃料电池系统重新启动的超级电容预定电压的下限,SOC_nih表示镍氢电池系统的SOC,SOC_down_limit表示燃料电池系统重新启动的镍氢电池系统的SOC预定下限,SOC_up_limit表示燃料电池系统进入怠速工况的镍氢电池系统的SOC预定上限。
参考图2,本实施例的氢燃料电池混合动力系统包括镍氢电池系统、燃料电池系统和超级电容系统,在燃料电池系统、超级电容系统和镍氢电池系统的三个动力源系统中,超级电容系统和镍氢电池系统作为辅助的能量源,主要用于燃料电池汽车的低温启动预热、燃料电池启动过程的辅助电源以及在车辆大功率输出时弥补燃料电池动态响应慢、短时间的功率跟随慢的缺点。
参考图3,本实施例的氢燃料电池混合动力系统还包括功率分配模块和电机控制器,功率分配模块中超级电容系统与镍氢电池系统的功率流向是双向的,可充可放;电机控制器的功率流向也是双向的,可以实现扭矩输出与制动能量回收;燃料电池系统和电机控制器的功率流向是双向的。
在本文中,所涉及的前、后、上、下等方位词是以附图中零部件位于图中以及零部件相互之间的位置来定义的,只是为了表达技术方案的清楚及方便。应当理解,所述方位词的使用不应限制本申请请求保护的范围。
在不冲突的情况下,本文中上述实施例及实施例中的特征可以相互结合。
以上所述仅为本发明的较佳实施例,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (4)
1.一种氢燃料电池混合动力系统的怠速工况控制方法,其特征在于,包括以下步骤:
S1,燃料电池系统无功率输出或车辆处于停止和制动时,根据燃料电池系统的电压或超级电容系统的电压或镍氢电池系统的SOC判断燃料电池系统是否从正常运行模式进入怠速工作状态,若是,则到步骤S2;若否,则燃料电池系统继续保持正常运行;
S2,燃料电池系统自动进入怠速工作状态,并在其最低功率工作,关闭空气系统,利用DC/DC变换器小电流拉载以降低燃料电池系统的电压,判断燃料电池系统的单体电压是否小于等于200mV,若是,则到步骤S3;若否,则继续利用DC/DC变换器小电流拉载;
S3,关闭氢气系统,使燃料电池系统进入怠速停机等待状态;
S4,燃料电池系统进入怠速停机等待状态后,根据燃料电池系统的需求功率或超级电容系统的电压或镍氢电池系统的SOC判断是否重启燃料电池系统,若是,则到步骤S5;若否,则继续保持燃料电池系统为怠速停机等待状态;
S5,燃料电池系统重新启动进入正常运行模式。
2.根据权利要求1所述的氢燃料电池混合动力系统的怠速工况控制方法,其特征在于,所述氢燃料电池混合动力系统包括镍氢电池系统、燃料电池系统和超级电容系统,所述镍氢电池系统、燃料电池系统和超级电容系统均为整车系统供电。
3.根据权利要求1所述的氢燃料电池混合动力系统的怠速工况控制方法,其特征在于,步骤S1中,利用整车控制器采集超级电容系统的电压和镍氢电池系统的SOC,并将超级电容系统的电压和镍氢电池系统的SOC发送给燃料电池系统,当燃料电池系统的总电压大于等于燃料电池系统进入怠速工况的预定电压或超级电容系统的电压大于等于超级电容系统进入怠速工况的预定电压上限或镍氢电池系统的SOC大于等于燃料电池系统进入怠速工况的镍氢电池系统的SOC预定上限时,判断结果为是。
4.根据权利要求1所述的氢燃料电池混合动力系统的怠速工况控制方法,其特征在于,步骤是S4中,利用整车控制器采集超级电容系统的电压和镍氢电池系统的SOC,并将燃料电池系统的需求功率、超级电容系统的电压和镍氢电池系统的SOC发送给燃料电池系统,当燃料电池系统的需求功率大于等于燃料电池系统重新启动的预定功率下限或超级电容系统的电压小于等于燃料电池系统重新启动的超级电容预定电压的下限或镍氢电池系统的SOC小于等于燃料电池系统重新启动的镍氢电池系统的SOC预定下限时,判断结果为是。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011327366.1A CN112389278B (zh) | 2020-11-24 | 2020-11-24 | 一种氢燃料电池混合动力系统的怠速工况控制方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011327366.1A CN112389278B (zh) | 2020-11-24 | 2020-11-24 | 一种氢燃料电池混合动力系统的怠速工况控制方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN112389278A true CN112389278A (zh) | 2021-02-23 |
CN112389278B CN112389278B (zh) | 2022-05-24 |
Family
ID=74607609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202011327366.1A Active CN112389278B (zh) | 2020-11-24 | 2020-11-24 | 一种氢燃料电池混合动力系统的怠速工况控制方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112389278B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113119755A (zh) * | 2021-03-12 | 2021-07-16 | 黄冈格罗夫氢能汽车有限公司 | 一种利用氢燃料电池车用dcdc实现输出控制的系统及方法 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101181874A (zh) * | 2007-12-04 | 2008-05-21 | 奇瑞汽车有限公司 | 一种电动汽车用电池的管理系统 |
CN101624020A (zh) * | 2008-07-08 | 2010-01-13 | 现代自动车株式会社 | 燃料电池混合动力车的怠速停止-启动控制方法 |
CN102487145A (zh) * | 2010-12-01 | 2012-06-06 | 现代自动车株式会社 | 控制燃料电池混合系统的操作的系统和方法 |
CN102774291A (zh) * | 2011-05-12 | 2012-11-14 | 本田技研工业株式会社 | 燃料电池系统 |
US20140336855A1 (en) * | 2013-05-07 | 2014-11-13 | Hyundai Motor Company | Method of controlling operation mode of fuel cell in fuel cell vehicle |
CN107719163A (zh) * | 2017-10-09 | 2018-02-23 | 福建福安闽东亚南电机有限公司 | 燃料电池汽车的控制方法及控制系统 |
US20180342746A1 (en) * | 2017-05-24 | 2018-11-29 | Hyundai Motor Company | Method of controlling an ignition of a fuel cell vehicle |
CN110957506A (zh) * | 2019-11-25 | 2020-04-03 | 中国第一汽车股份有限公司 | 一种燃料电池系统及其待机控制方法 |
CN111361459A (zh) * | 2020-03-31 | 2020-07-03 | 中国汽车技术研究中心有限公司 | 氢燃料电池汽车功率需求较小时电压控制方法 |
CN111452632A (zh) * | 2020-04-15 | 2020-07-28 | 武汉格罗夫氢能汽车有限公司 | 一种多电压平台氢燃料电池汽车能源系统 |
-
2020
- 2020-11-24 CN CN202011327366.1A patent/CN112389278B/zh active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101181874A (zh) * | 2007-12-04 | 2008-05-21 | 奇瑞汽车有限公司 | 一种电动汽车用电池的管理系统 |
CN101624020A (zh) * | 2008-07-08 | 2010-01-13 | 现代自动车株式会社 | 燃料电池混合动力车的怠速停止-启动控制方法 |
CN102487145A (zh) * | 2010-12-01 | 2012-06-06 | 现代自动车株式会社 | 控制燃料电池混合系统的操作的系统和方法 |
CN102774291A (zh) * | 2011-05-12 | 2012-11-14 | 本田技研工业株式会社 | 燃料电池系统 |
US20140336855A1 (en) * | 2013-05-07 | 2014-11-13 | Hyundai Motor Company | Method of controlling operation mode of fuel cell in fuel cell vehicle |
US20180342746A1 (en) * | 2017-05-24 | 2018-11-29 | Hyundai Motor Company | Method of controlling an ignition of a fuel cell vehicle |
CN107719163A (zh) * | 2017-10-09 | 2018-02-23 | 福建福安闽东亚南电机有限公司 | 燃料电池汽车的控制方法及控制系统 |
CN110957506A (zh) * | 2019-11-25 | 2020-04-03 | 中国第一汽车股份有限公司 | 一种燃料电池系统及其待机控制方法 |
CN111361459A (zh) * | 2020-03-31 | 2020-07-03 | 中国汽车技术研究中心有限公司 | 氢燃料电池汽车功率需求较小时电压控制方法 |
CN111452632A (zh) * | 2020-04-15 | 2020-07-28 | 武汉格罗夫氢能汽车有限公司 | 一种多电压平台氢燃料电池汽车能源系统 |
Non-Patent Citations (1)
Title |
---|
袁弘勋等: "《质子交换膜燃料电池车用怠速特性仿真研究》", 《汽车工程学报》 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113119755A (zh) * | 2021-03-12 | 2021-07-16 | 黄冈格罗夫氢能汽车有限公司 | 一种利用氢燃料电池车用dcdc实现输出控制的系统及方法 |
CN113119755B (zh) * | 2021-03-12 | 2023-08-08 | 黄冈格罗夫氢能汽车有限公司 | 一种利用氢燃料电池车用dcdc实现输出控制的系统及方法 |
Also Published As
Publication number | Publication date |
---|---|
CN112389278B (zh) | 2022-05-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110040038B (zh) | 一种氢-电混合燃料电池客车能量管理控制方法及系统 | |
US6580977B2 (en) | High efficiency fuel cell and battery for a hybrid powertrain | |
CN100404306C (zh) | 一种燃料电池汽车的能量混合型动力系统 | |
CN110112440A (zh) | 一种燃料电池系统、控制方法、车载供电系统及车辆 | |
CN111409502B (zh) | 氢燃料电池汽车及其在低温环境下的电机能量管理方法 | |
CN110576749A (zh) | 一种氢能汽车的燃料电池制动能量回收系统 | |
CN112677781B (zh) | 基于燃料电池和储能电池的混合动力电源系统及汽车 | |
CN110816313B (zh) | 电动汽车动力系统的整车能量管理方法及车辆 | |
CN111806304B (zh) | 车用燃料电池-锂离子电容器复合电源系统及控制方法 | |
CN106379193A (zh) | 一种储能电车控制系统及具有该系统的电车 | |
WO2018184352A1 (zh) | 车辆多能源供给系统及方法、太阳能汽车 | |
CN111244508B (zh) | 一种高响应燃料电池系统控制方法 | |
CN114290916B (zh) | 一种氢燃料混合动力重型卡车能量管理方法及系统 | |
CN103991387A (zh) | 一种小功率光氢电混合动力车的能量流控制系统 | |
CN112389278B (zh) | 一种氢燃料电池混合动力系统的怠速工况控制方法 | |
CN111546946A (zh) | 一种改善燃料电池在轻负载时工作特性的方法 | |
Li et al. | Research on energy management strategy of hydrogen fuel cell vehicles | |
CN112606710B (zh) | 燃料电池辅助能量系统双向dcdc实现输出控制的系统及方法 | |
Jiang et al. | Energy management for a fuel cell hybrid vehicle | |
CN101483263B (zh) | 在燃料电池混合车辆的驾驶操作过程中的hv蓄电池组平衡充电 | |
CN112757916A (zh) | 一种氢燃料电池汽车多能源动力系统能量平衡的控制方法 | |
CN110329109B (zh) | 一种燃料电池氢能汽车能量管理系统的控制方法 | |
CN114228568A (zh) | 一种电动车低压电源管理方法和系统 | |
CN209776185U (zh) | 燃料电池系统、用于电动车辆的动力系统及电动车辆 | |
CN112297882A (zh) | 一种燃料电池汽车超级电容soc控制方法及系统 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A Control Method of Idle Condition for Hydrogen Fuel Cell Hybrid Power System Effective date of registration: 20220927 Granted publication date: 20220524 Pledgee: Industrial Bank Limited by Share Ltd. Wuhan branch Pledgor: WUHAN LUOGEFU HYDROGEN ENERGY AUTOMOBILE Co.,Ltd. Registration number: Y2022420000331 |