CN112109696B - 一种并联油电混合机场消防车底盘的电控系统 - Google Patents

一种并联油电混合机场消防车底盘的电控系统 Download PDF

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CN112109696B
CN112109696B CN202011040184.6A CN202011040184A CN112109696B CN 112109696 B CN112109696 B CN 112109696B CN 202011040184 A CN202011040184 A CN 202011040184A CN 112109696 B CN112109696 B CN 112109696B
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driving motor
power battery
chassis
engine
power
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汪义亮
徐礼平
陈嵩
王中会
黄绪
刘朵
罗中立
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Wuhu Automobile Technology Co ltd
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    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
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    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/28—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the electric energy storing means, e.g. batteries or capacitors
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Abstract

本发明涉及消防车技术领域，具体是一种并联油电混合机场消防车底盘的电控系统，包括有步骤：S1：启动发动机和驱动电机驱动底盘行驶；S2：发动机驱动底盘行驶，驱动电机通过离合器断开与底盘传动系统连接，并通过取力器驱动水泵动作，驱动电机电连有动力电池，进入步骤S3；S3：若动力电池电量SOC大于上限阈值，发动机驱动底盘，发电机辅助动力电池给驱动电机供电；若动力电池电量SOC小于下限阈值，发动机驱动底盘，发电机对动力电池充电和对驱动电机供电；若下限阈值＜动力电池电量SOC＜上限阈值时，发动机驱动底盘，动力电池辅助发电机给驱动电机供电，本发明解决发动机启动加速性能较差的问题，确保汽车在车库中无发动机尾气排放，降低整体成本。

Description

一种并联油电混合机场消防车底盘的电控系统
技术领域
本发明涉及消防车技术领域，具体是一种并联油电混合机场消防车底盘的电控系统。
背景技术
产品为机场消防车底盘，用于机场消防救援，目前，典型的机场消防车专用底盘都是具有一个或者两个大马力发动机，采用一个发动机则需安装功率分配器，发动机可以同时驱动车辆和消防水泵；采用两个发动机则其中一个发动机既可以作为车辆驱动也可以驱动消防车泵。
发动机受到自身输出特性限制，启动加速性能较差，一个发动机驱动方案，关键总成资源供货厂家比较单一，成本居高不下，不利于行业发展，发动机排放影响环境，且在停车车库启动产生的废气需要专门进行处理，车辆需要行车取力，且要求水泵全功率打水时车辆可以以不同车速行驶，此取力方式比较难实现，需依靠进口部件。
发明内容
本发明的目的在于提供一种并联油电混合机场消防车底盘的电控系统，以解决上述背景技术中提出的问题。
本发明的技术方案是：
一种并联油电混合机场消防车底盘的电控系统，包括有以下步骤：
加速步骤S1：启动发动机、驱动电机和发电机共同驱动底盘行驶；
行车打水步骤S2：发动机驱动底盘行驶，驱动电机通过离合器断开与底盘传动系统连接，并通过取力器驱动水泵动作，其中驱动电机电性连接有动力电池，判断动力电池电量SOC的大小并进入步骤S3；
步骤S3：
若动力电池电量SOC高于预设的上限阈值，发动机驱动底盘，动力电池为驱动电机供电，发电机辅助给驱动电机供电；
若动力电池电量SOC低于预设的下限阈值，发动机驱动底盘，发电机对动力电池充电和对驱动电机供电；
若下限阈值＜动力电池电量SOC＜上限阈值时，发动机驱动底盘，发电机为驱动电机供电，动力电池辅助给驱动电机供电。
进一步的，还包括有停车打水步骤S4：
若动力电池电量SOC高于预设的上限阈值时，发电机和发动机停止工作，驱动电机进入电动模式，保持水泵工作；
若动力电池电量SOC低于预设的下限阈值时，发电机进入发电模式，给动力电池进行充电和给驱动电机进行供电，驱动电机进入电动模式，保持水泵工作；
若下限阈值＜动力电池电量SOC＜上限阈值时，发电机进入发电模式，发电机和动力电池共同给驱动电机进行供电，驱动电机进入电动模式，保持水泵工作。
进一步的，还包括有普通行驶步骤S5：
若动力电池电量SOC高于预设的上限阈值时，驱动电机进入电动模式配合整车需求调整扭矩输出，保持车辆行驶；
若动力电池电量SOC低于预设的下限阈值时，发电机进入发电模式，给动力电池进行充电，由发动机保持车辆行驶；
若下限阈值＜动力电池电量SOC＜上限阈值时，发电机停止工作，驱动电机进入扭矩模式，由发动机保持车辆行驶。
进一步的，还包括有发动机故障步骤S6，发动机由于故障无法做动力输出，车辆加速、行车打水工况时，驱动电机和发电机同时进入电动模式，能量由动力电池进行提供；
车辆停车打水工况时，驱动电机进入电动模式，能量由动力电池进行提供；
车辆普通行驶工况时，驱动电机进入电动模式，发动机进行空转模式，发电机停止工作，能量由动力电池进行提供。
进一步的，还包括有进出库步骤S7：进出库时，启动驱动电机驱动底盘行驶。
本发明通过改进在此提供一种并联油电混合机场消防车底盘的电控系统，与现有技术相比，具有如下改进及优点：
其一：本发明通过发动机和驱动电机并联混合驱动，解决了发动机启动加速性能较差的问题，极大的提高的了加速性能。
其二：本发明通过发动机和驱动电机并联混合驱动，降低了排放。
其三：本发明可以采用驱动电机单独驱动，发动机不喷油随电机空转，解决了车库废气排放的问题，确保汽车在车库中无发动机尾气排放。
其四：本发明由于驱动电机的介入驱动，可以降低发动机马力，并匹配国产自动变速箱，整体成本可以降低。
其五：本发明通过发动机和驱动电机不同组合可实现灵活的驱动方式，初步计算可以降低燃油消耗20％左右。
附图说明
下面结合附图和实施例对本发明作进一步解释:
图1是本发明的系统框图；
图2是本发明发动机故障工作的逻辑判断示意图；
图3是本发明停车打水的逻辑判断示意图；
图4是本发明行车打水的逻辑判断示意图；
具体实施方式
下面对本发明进行详细说明，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
本发明通过改进在此提供一种并联油电混合机场消防车底盘的电控系统，如图1至图4所示，包括有以下步骤：
加速步骤S1：启动发动机、驱动电机和发电机共同驱动底盘行驶；
加速工况，发动机、驱动电机和发电机一起驱动底盘行驶，驱动电机和发电机完全由动力电池提供能量，此时由于驱动电机和发电机的介入，加速能力将得到极大的提高。
如图4所示，图4中的S接图2中的S，行车打水步骤S2：发动机驱动底盘行驶，驱动电机通过离合器断开与底盘传动系统连接，并通过取力器驱动水泵动作，其中驱动电机电性连接有动力电池，判断动力电池电量SOC的大小并进入步骤S3；
本发明包括有至少一个发动机，用于驱动车辆和驱动发电机发电或空转；至少一个驱动电机，用于驱动车辆或进行发电能量回收或进入低扭矩模式进行动态跟随；至少一个发电机，用于将发动机能量传递给驱动电机和动力电池或进入电动模式驱动发动机；至少一个整车控制器。
本发明根据车辆不同工况需求，实现驱动方式自由组合，发动机马力为600hp-770hp；驱动电机额定功率为200kw-350kw，驱动电机最大功率为350kw-500kw；发电机额定功率为100kw-200kw，发电机最大功率为2000kw-400kw。
本发明所述的机场消防车底盘消防水泵可以通过电机接取力器取力，也可以通过单独安装驱动电机取力。
步骤S3：
若动力电池电量SOC高于预设的上限阈值，发动机驱动底盘，动力电池为驱动电机供电，发电机辅助给驱动电机供电；
若动力电池电量SOC低于预设的下限阈值，发动机驱动底盘，发电机对动力电池充电和对驱动电机供电；
若下限阈值＜动力电池电量SOC＜上限阈值时，发动机驱动底盘，发电机为驱动电机供电，动力电池辅助给驱动电机供电。
所述机场消防车底盘可以由发动机、驱动电机和发电机并联混合驱动，也可以由发动机或者驱动电机单独驱动或驱动电和发电机并联驱动。
若动力电池电量SOC较高时，发动机驱动底盘，动力电池为驱动电机供电，发电机辅助给驱动电机供电；若动力电池电量SOC较低时，发动机根据车速提高对应扭矩，使发电机进入满功率发电模式，给动力电池进行充电和给驱动电机进行供电；若动力电池电量SOC居于正常区间时，发动机根据车速进入最佳效率扭矩，发动机驱动底盘，发电机为驱动电机供电，动力电池辅助给驱动电机供电。
如图3所示，图3中的P接图2中的P，还包括有停车打水步骤S4：
若动力电池电量SOC高于预设的上限阈值时，发电机和发动机停止工作，驱动电机进入电动模式，保持水泵工作；
若动力电池电量SOC低于预设的下限阈值时，发电机进入发电模式，给动力电池进行充电和给驱动电机进行供电，驱动电机进入电动模式，保持水泵工作；
若下限阈值＜动力电池电量SOC＜上限阈值时，发电机进入发电模式，发电机和动力电池共同给驱动电机进行供电，驱动电机进入电动模式，保持水泵工作。
停车打水工况，若动力电池电量SOC较高时，发电机和发动机停止工作，驱动电机进入电动模式，保持水泵工作；若动力电池电量SOC较低时，发动机根据动力电池充电能力矩阵，进入对应最佳工况点进行工作，发电机进入发电模式，给动力电池进行充电和给驱动电机进行供电；若动力电池电量SOC居于正常区间时，发动机进入最佳经济点进行工作，发动机驱动底盘，发电机为驱动电机供电，动力电池辅助给驱动电机供电和给动力电池进行充电。
还包括有普通行驶步骤S5：
若动力电池电量SOC高于预设的上限阈值时，驱动电机进入电动模式配合整车需求调整扭矩输出，保持车辆行驶；
若动力电池电量SOC低于预设的下限阈值时，发电机进入发电模式，给动力电池进行充电，由发动机保持车辆行驶；
若下限阈值＜动力电池电量SOC＜上限阈值时，发电机停止工作，驱动电机进入扭矩模式，由发动机保持车辆行驶。
普通行驶工况，发动机作为底盘驱动的主要动力源，若动力电池电量SOC较高时，发动机根据整车状态进入经济工作点，驱动电机进入电动模式配合整车需求调整扭矩输出，保持车辆行驶；若动力电池电量SOC较低时，发电机进入发电模式，给动力电池进行充电，由发动机保持车辆行驶；若动力电池电量SOC居于正常区间时，发电机停止工作，驱动电机进入0扭矩模式，由发动机保持车辆行驶。
还包括有发动机故障步骤S6，发动机由于故障无法做动力输出，车辆加速、行车打水工况时，驱动电机和发电机同时进入电动模式，能量由动力电池进行提供；
车辆停车打水工况时，驱动电机进入电动模式，能量由动力电池进行提供；
车辆普通行驶工况时，驱动电机进入电动模式，发动机进行空转模式，发电机停止工作，能量由动力电池进行提供。
如图2所示，发动机故障工况，此时发动机由于故障无法做动力输出，为了保证车辆可以满足紧急任务需求或使车辆驱动至维修场所。其电控原理如下所述，车辆加速、行车打水工况时，驱动电机和发电机同时进入电动模式，能量由动力电池进行提供。车辆停车打水工况时，驱动电机进入电动模式，能量由动力电池进行提供。车辆普通行驶工况时，驱动电机进入电动模式，发动机进行空转模式，发电机停止工作。能量由动力电池进行提供。
还包括有进出库步骤S7：进出库时，启动驱动电机驱动底盘行驶。
出库、入库，此时完全由电机驱动电机作为车辆动力源，驱动电机有动力电池供电，发动机不启动，使得整车在确保车库中移动，无发动机尾气排放。
对所公开的实施例的上述说明，使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下，在其它实施例中实现。因此，本发明将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。

Claims (5)

1.一种并联油电混合机场消防车底盘的电控系统，其特征在于：包括有以下步骤：
加速步骤S1：启动发动机和驱动电机共同驱动底盘行驶；
行车打水步骤S2：发动机驱动底盘行驶，驱动电机通过离合器断开与底盘传动系统连接，并通过取力器驱动水泵动作，其中驱动电机电性连接有动力电池，判断动力电池电量SOC的大小并进入步骤S3；
步骤S3：
若动力电池电量SOC高于预设的上限阈值，发动机驱动底盘，动力电池为驱动电机供电，发电机辅助给驱动电机供电；
若动力电池电量SOC低于预设的下限阈值，发动机驱动底盘，发电机对动力电池充电和对驱动电机供电；
若下限阈值＜动力电池电量SOC＜上限阈值时，发动机驱动底盘，发电机为驱动电机供电，动力电池辅助给驱动电机供电。
2.根据权利要求1所述的一种并联油电混合机场消防车底盘的电控系统，其特征在于：还包括有停车打水步骤S4：
若动力电池电量SOC高于预设的上限阈值时，发电机和发动机停止工作，驱动电机进入电动模式，保持水泵工作；
若动力电池电量SOC低于预设的下限阈值时，发电机进入发电模式，给动力电池进行充电和给驱动电机进行供电，驱动电机进入电动模式，保持水泵工作；
若下限阈值＜动力电池电量SOC＜上限阈值时，发电机进入发电模式，发电机和动力电池共同给驱动电机进行供电，驱动电机进入电动模式，保持水泵工作。
3.根据权利要求1所述的一种并联油电混合机场消防车底盘的电控系统，其特征在于：还包括有普通行驶步骤S5：
若动力电池电量SOC高于预设的上限阈值时，驱动电机进入电动模式配合整车需求调整扭矩输出，保持车辆行驶；
若动力电池电量SOC低于预设的下限阈值时，发电机进入发电模式，给动力电池进行充电，由发动机保持车辆行驶；
若下限阈值＜动力电池电量SOC＜上限阈值时，发电机停止工作，驱动电机进入扭矩模式，由发动机保持车辆行驶。
4.根据权利要求1所述的一种并联油电混合机场消防车底盘的电控系统，其特征在于：还包括有发动机故障步骤S6，发动机由于故障无法做动力输出，车辆加速、行车打水工况时，驱动电机和发电机同时进入电动模式，能量由动力电池进行提供；
车辆停车打水工况时，驱动电机进入电动模式，能量由动力电池进行提供；
车辆普通行驶工况时，驱动电机进入电动模式，发动机进行空转模式，发电机停止工作，能量由动力电池进行提供。
5.根据权利要求1所述的一种并联油电混合机场消防车底盘的电控系统，其特征在于：还包括有进出库步骤S7：进出库时，启动驱动电机驱动底盘行驶。
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