CN106627214B - 用于燃料电池商用车的控制方法 - Google Patents

用于燃料电池商用车的控制方法 Download PDF

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CN106627214B
CN106627214B CN201611069704.XA CN201611069704A CN106627214B CN 106627214 B CN106627214 B CN 106627214B CN 201611069704 A CN201611069704 A CN 201611069704A CN 106627214 B CN106627214 B CN 106627214B
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林剑健
林必生
林汉坤
王柏卫
谢延兴
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Xiamen Golden Dragon Bus Co Ltd
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    • 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
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/0053—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to 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
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/0069—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to the isolation, e.g. ground fault or leak current
    • 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
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/0084—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to control modules
    • 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
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/04—Cutting off the power supply under fault conditions
    • 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
    • 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
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to 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
    • B60L2260/00—Operating Modes
    • B60L2260/40—Control modes
    • B60L2260/44—Control modes by parameter estimation
    • 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
    • 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

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Abstract

本发明公开了一种用于燃料电池商用车的控制方法，包括上电步骤：S10，KEY上ON档电时，唤醒整车控制器；S11，整车控制器控制燃料电池上24V低压常电；S12，判断整车是否有一级故障；S13，整车控制器控制燃料电池进行高压预充，完成后上高压；S14，进一步判断整车是否有一级故障；S15，整车控制器控制燃料电池启动；S16，燃料电池进行自检，自检正常则进入步骤S17；S17，判断整车条件是否达到燃料电池的充电条件；S18，整车控制器控制燃料电池的充电功率；下电步骤：S30，KEY下ON档电，整车控制器发送关机命令给所述燃料电池；S31，燃料电池执行降载、关机；S32，判断燃料电池是否完成关机；S33，整车控制器断开燃料电池的高低压电，进入睡眠模式。

Description

用于燃料电池商用车的控制方法
技术领域
本发明涉及燃料电池商用车技术领域，尤其涉及一种用于燃料电池商用车的控制方法。
背景技术
因燃料电池下电时降载需要一段时间（1min~4min），目前普遍方法是在仪表台增加燃料电池的启停开关。车辆上ON档电后，打开燃料电池的启动开关，才可行车。车辆要下电时，需先断开燃料电池的启停开关，待仪表指示燃料电池已关机后，才可断开钥匙的ON档电。
该方案，整车在启动和关机时，需等待燃料电池状态切换。司机上下电逻辑比常规车操作繁琐，驾驶体验舒适性差，可靠性不高。若司机未按该逻辑来关断燃料电池，容易造成燃料电池突然断载，损耗部件寿命。
发明内容
本发明的目的在于克服现有技术的缺点，提供一种用于燃料电池商用车的控制方法。
为解决上述技术问题，本发明采用了以下技术措施：
本发明提供一种用于燃料电池商用车的控制方法，包括上电步骤和下电步骤：
其中，所述上电步骤包括：
S10，KEY上ON档电时，唤醒整车控制器；
S11，所述整车控制器控制燃料电池上24V低压常电；
S12，判断整车是否有一级故障，否，进入步骤S13；
S13，所述整车控制器控制所述燃料电池进行高压预充，完成后上高压；
S14，进一步判断整车是否有一级故障，否，进入步骤S15；是，进入步骤S19；
S15，所述整车控制器控制所述燃料电池启动；
S16，所述燃料电池进行自检，自检正常则进入步骤S17；否则，进入步骤S20；
S17，判断整车条件是否达到所述燃料电池的充电条件，是，进入步骤S18；
S18，所述整车控制器控制燃料电池的充电功率，所述燃料电池执行充电；
S19，整车控制器判断故障类型是否为高压故障，是，进入S20；否，进入S14；
S20，整车控制器断开燃料电池高压，进入步骤S12；
所述下电步骤包括：
S30，KEY下ON档时，所述整车控制器发送关机命令给所述燃料电池；
S31，所述燃料电池执行降载、关机；
S32，判断所述燃料电池是否完成关机，是，进入步骤S33；
S33，所述整车控制器断开所述燃料电池的高低压电，进入睡眠模式。
作为进一步改进的，在步骤S12，当所述判断整车有一级故障，重复进行步骤S12。
作为进一步改进的，在步骤S19中，所述高压故障包括绝缘故障、燃料电池故障或电池管理系统故障。
作为进一步改进的，在步骤S17中，当判断未达到所述燃料电池的充电条件时，等待并重复步骤S17。
作为进一步改进的，在步骤S32中，判断所述燃料电池未完成关机时，重复步骤S32。
作为进一步改进的，所述高压为350V~750V。
作为进一步改进的，所述一级故障定义为涉及重大故障无法行车，包括高压故障、部件功能故障以及重大安全隐患
与现有技术相比较，本发明具有以下优点：
本发明提供的用于燃料电池商用车的控制方法，整车在启动和关机时，司机上下电逻辑简单，只需要正常上、下ON档电，而无需复杂的工序及耗时等待，具有较高的驾驶体验舒适性及可靠性。此外，该控制方法不容易造成燃料电池突然断载，可以显著提高损耗部件寿命。
附图说明
图1是本发明实施例提供的燃料电池商用车的控制方法的上电步骤的流程图。
图2是本发明实施例提供的燃料电池商用车的控制方法的下电步骤的流程图。
具体实施方式
下面结合附图与具体实施方式对本发明作进一步详细描述。
如图1-2所示，本发明实施例提供一种用于燃料电池商用车的控制方法，包括上电步骤和下电步骤。所述燃料电池商用车包括：钥匙点火开关（KEY）、整车控制器（VCU）、DCDC、电池管理系统（BMS）、 燃料电池（FC）、所述燃料电池在下高压时需要降载。
所述上电步骤，司机钥匙上ON档电，唤醒整车控制器，整车控制器给燃料电池控制器上24v常电，再上高压，检测到启动燃料电池的条件，发送开机指令，FC自诊断，开机，运行进行功率输出；具体包括以下步骤：
S10，KEY上ON档电时，唤醒整车控制器；
S11，所述整车控制器控制燃料电池上24V低压常电；
S12，判断整车是否有一级故障，否，进入步骤S13，是，则所述判断整车有一级故障，并重复进行步骤S12；
S13，所述整车控制器控制所述燃料电池进行高压预充，完成后上高压；
S14，进一步判断整车是否有一级故障，否，进入步骤S15，是，则进入步骤S19；
S15，所述整车控制器控制所述燃料电池启动；
S16，所述燃料电池自检是否正常，自检正常则进入步骤S17，否，则进入步骤S20；
S17，判断是否达到所述燃料电池的充电条件，是，进入步骤S18，否，则重复步骤S17；
S18，所述整车控制器控制燃料电池的充电功率，所述燃料电池执行充电；
S19，整车控制器判断故障类型是否为高压故障（如绝缘故障、BMS故障、燃料电池故障），是，进入S20；否，进入S14。
S20，所述整车控制器断开所述燃料电池的高压，并进入步骤S12。
作为进一步改进的：所述高压为350V~750V。
作为进一步改进的：所述一级故障定义为涉及重大故障无法行车，如高压故障，部件功能故障，重大安全隐患。
所述下电步骤，司机钥匙下ON档电，整车控制器给燃料电池控制器发关机命令，燃料电池控制器准备降载，燃料电池控制器降载完成执行关机，整车控制器进入睡眠模式，具体包括以下步骤：
S30，KEY下ON档电时，所述整车控制器发送关机命令给所述燃料电池；
S31，所述燃料电池执行降载、关机；
S32，判断所述燃料电池是否完成关机，是，进入步骤S33，否，则重复步骤S32。
S33，所述整车控制器断开所述燃料电池的高低压电，进入睡眠模式。
本发明实施例提供的用于燃料电池商用车的控制方法，整车在启动和关机时，司机上下电逻辑简单，只需要正常上、下ON档电，而无需复杂的工序及耗时等待，具有较高的驾驶体验舒适性及可靠性。此外，该控制方法不容易造成燃料电池突然断载，可以显著提高损耗部件寿命。所述控制方法为燃料电池的安全保护策略，可以保障降载顺利完成。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本发明保护的范围之内。

Claims (7)

1.一种用于燃料电池商用车的控制方法，其特征在于，包括上电步骤和下电步骤：
其中，所述上电步骤包括：
S10，KEY上ON档电时，唤醒整车控制器；
S11，所述整车控制器控制燃料电池上24V低压常电；
S12，判断整车是否有一级故障，否，进入步骤S13；
S13，所述整车控制器控制所述燃料电池进行高压预充，完成后上高压；
S14，进一步判断整车是否有一级故障，否，进入步骤S15；是，进入步骤S19；
S15，所述整车控制器控制所述燃料电池启动；
S16，所述燃料电池进行自检，自检正常则进入步骤S17；否则，进入步骤S20；
S17，判断整车条件是否达到所述燃料电池的充电条件，是，进入步骤S18；
S18，所述整车控制器控制燃料电池的充电功率，所述燃料电池执行充电；
S19，整车控制器判断故障类型是否为高压故障，是，进入S20；否，进入S14；
S20，整车控制器断开燃料电池高压，进入步骤S12；
所述下电步骤包括：
S30，KEY下ON档电时，所述整车控制器发送关机命令给所述燃料电池；
S31，所述燃料电池执行降载、关机；
S32，判断所述燃料电池是否完成关机，是，进入步骤S33；
S33，所述整车控制器断开所述燃料电池的高低压电，进入睡眠模式。
2.根据权利要求1所述的控制方法，其特征在于：在步骤S12，当所述判断整车有一级故障，重复进行步骤S12。
3.根据权利要求1所述的控制方法，其特征在于：在步骤S19中，所述高压故障包括绝缘故障、燃料电池故障或电池管理系统故障。
4.根据权利要求1所述的控制方法，其特征在于：在步骤S17中，当判断未达到所述燃料电池的充电条件时，等待并重复步骤S17。
5.根据权利要求1所述的控制方法，其特征在于：在步骤S32中，判断所述燃料电池未完成关机时，重复步骤S32。
6.根据权利要求1所述的控制方法，其特征在于：所述高压为350V～750。
7.根据权利要求1所述的控制方法，其特征在于：所述一级故障定义为涉及重大故障无法行车，包括高压故障、部件功能故障以及重大安全隐患。
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