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CN106004507B - The method that electric vehicle charging restores automatically is realized by monitoring voltage - Google Patents

The method that electric vehicle charging restores automatically is realized by monitoring voltage Download PDF

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Publication number
CN106004507B
CN106004507B CN201610547152.2A CN201610547152A CN106004507B CN 106004507 B CN106004507 B CN 106004507B CN 201610547152 A CN201610547152 A CN 201610547152A CN 106004507 B CN106004507 B CN 106004507B
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vehicle
charging
voltage
electric vehicle
control device
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CN106004507A (en
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姜瑞
张天强
曲振宁
栗海兵
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FAW Group Corp
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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
    • 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
    • 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
    • B60L53/60—Monitoring or controlling charging stations
    • H02J7/875—
    • 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
    • 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
    • Y02T90/12—Electric charging stations

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

本发明公开了一种通过监测电压实现电动汽车充电自动恢复的方法。在休眠状态下电动汽车通过对交流充电接口车辆插座的L端、N端、CP端进行电压监测，并根据电压监测结果判断供电是否恢复正常，若判定供电恢复正常，车辆立即自动恢复交流充电，否则，车辆继续保持休眠状态。本发明提供的方法可在供电异常消除后无需用户额外操作，车辆即可自动恢复充电，避免了由于交流电网供电异常导致电动汽车无法正常完成充电的问题。本发明提供的方法适用于GB/T 18487.1‑2015中定义的充电模式1、充电模式2和充电模式3。

The invention discloses a method for realizing automatic charging recovery of an electric vehicle by monitoring the voltage. In the dormant state, the electric vehicle monitors the voltage of the L terminal, N terminal, and CP terminal of the vehicle socket of the AC charging interface, and judges whether the power supply is restored to normal according to the voltage monitoring result. If it is determined that the power supply returns to normal, the vehicle immediately and automatically resumes AC charging. Otherwise, the vehicle continues to remain dormant. The method provided by the invention can automatically restore the charging of the vehicle without additional operation by the user after the abnormality of the power supply is eliminated, thereby avoiding the problem that the electric vehicle cannot normally complete the charging due to the abnormal power supply of the AC power grid. The method provided by the present invention is applicable to charging mode 1, charging mode 2 and charging mode 3 defined in GB/T 18487.1‑2015.

Description

通过监测电压实现电动汽车充电自动恢复的方法Method for automatic recovery of electric vehicle charging by monitoring voltage

技术领域technical field

本发明涉及电动汽车充电技术领域，特别是涉及一种通过监测电压实现电动汽车充电自动恢复的方法。The invention relates to the technical field of electric vehicle charging, in particular to a method for realizing automatic recovery of electric vehicle charging by monitoring voltage.

背景技术Background technique

现有电动汽车交流充电技术通常采用GB/T 18487.1-2015中推荐使用的控制导引电路与控制原理，通常为用户将充电连接装置的车辆插头连接至车辆交流充电插座，将充电连接装置的供电插头连接至供电设备供电插座，车辆控制装置确认车辆充电准备就绪后自动起动充电，当充电完成或因为其他原因不能满足继续充电的条件时，车辆控制装置控制车辆停止充电。The existing electric vehicle AC charging technology usually adopts the control guide circuit and control principle recommended in GB/T 18487.1-2015. Usually, the user connects the vehicle plug of the charging connection device to the vehicle AC charging socket, and the power supply of the charging connection device The plug is connected to the power supply socket of the power supply equipment, and the vehicle control device automatically starts charging after confirming that the vehicle is ready for charging. When the charging is completed or the conditions for continuing charging cannot be met due to other reasons, the vehicle control device controls the vehicle to stop charging.

使用现有电动汽车充电方法对电动汽车进行交流充电时，若充电过程中发生交流供电异常，例如：掉电、欠压等，车辆控制装置通常控制车辆停止充电并下电休眠，当交流供电恢复正常后，若用户不采取一定操作，例如：重新连接充电枪，车辆通常无法自动恢复充电。When using the existing electric vehicle charging method to carry out AC charging for electric vehicles, if the AC power supply is abnormal during the charging process, such as: power failure, undervoltage, etc., the vehicle control device usually controls the vehicle to stop charging and power off to sleep. When the AC power supply is restored After normal operation, if the user does not take certain actions, such as reconnecting the charging cable, the vehicle usually cannot automatically resume charging.

目前国内尚无专利公开在供电异常消除后无需用户操作即可实现电动汽车充电自动恢复的方法，以解决上述问题。At present, there is no domestic patent disclosing a method for realizing the automatic recovery of electric vehicle charging without user operation after the abnormal power supply is eliminated, so as to solve the above-mentioned problems.

发明内容Contents of the invention

针对上述问题，本发明提供一种通过监测电压实现电动汽车充电自动恢复的方法。所述电动汽车采用符合GB/T 18487.1-2015的交流充电接口。所述电动汽车在休眠状态下通过对所述的交流充电接口车辆插座的L端、N端、CP端进行电压监测，从而实现交流充电自动恢复。In view of the above problems, the present invention provides a method for realizing the automatic recovery of electric vehicle charging by monitoring the voltage. The electric vehicle adopts an AC charging interface conforming to GB/T 18487.1-2015. In the dormant state, the electric vehicle monitors the voltage of the L terminal, N terminal and CP terminal of the vehicle socket of the AC charging interface, so as to realize the automatic recovery of AC charging.

本发明解决技术问题采用如下技术方案：一种通过监测电压实现电动汽车充电自动恢复的方法，其包括以下步骤：The present invention solves the technical problem by adopting the following technical scheme: a method for realizing the automatic recovery of electric vehicle charging by monitoring the voltage, which includes the following steps:

S10、车辆在交流充电过程中供电电源发生异常，车辆控制装置控制车辆停止充电，并控制电动汽车的所有控制单元从工作状态转换至休眠状态；S10, the power supply of the vehicle is abnormal during the AC charging process, the vehicle control device controls the vehicle to stop charging, and controls all the control units of the electric vehicle to switch from the working state to the dormant state;

S20、第一电压监测单元监测车载充电机输入端交流供电电压是否恢复正常；如果恢复正常，则执行步骤S50；否则执行步骤S30；S20. The first voltage monitoring unit monitors whether the AC power supply voltage at the input terminal of the on-board charger returns to normal; if it returns to normal, execute step S50; otherwise, execute step S30;

S30、第二电压监测单元监测车辆充电插座CP端是否收到由低电平转换至高电平上升沿信号；如果收到，则执行步骤S60；否则执行步骤S40；S30. The second voltage monitoring unit monitors whether the CP terminal of the vehicle charging socket receives a rising edge signal from low level to high level; if so, execute step S60; otherwise, execute step S40;

S40、使得电动汽车保持休眠状态；并执行步骤S20；S40, keeping the electric vehicle in a dormant state; and performing step S20;

S50、车载充电机从休眠状态转换至工作状态，并发送CAN总线数据唤醒车辆控制装置；S50, the on-board charger switches from the dormant state to the working state, and sends CAN bus data to wake up the vehicle control device;

S60、车辆控制装置从休眠状态转换至工作状态；S60, the vehicle control device switches from the dormant state to the working state;

S70、车辆控制装置确认车辆充电准备就绪，并控制车辆恢复交流充电。S70. The vehicle control device confirms that the vehicle is ready for charging, and controls the vehicle to resume AC charging.

本发明具有如下有益效果：本发明提供的方法可在供电异常消除后无需用户额外操作，车辆即可自动恢复充电，避免了由于交流电网供电异常导致电动汽车无法正常完成充电的问题。本发明提供的方法适用于GB/T 18487.1-2015中定义的充电模式1、充电模式2和充电模式3。The invention has the following beneficial effects: the method provided by the invention can automatically resume charging of the vehicle without additional operation by the user after the abnormal power supply is eliminated, and avoids the problem that the electric vehicle cannot be normally charged due to the abnormal power supply of the AC power grid. The method provided by the present invention is applicable to charging mode 1, charging mode 2 and charging mode 3 defined in GB/T 18487.1-2015.

附图说明Description of drawings

图1为本发明的控制导引电路的结构示意图；Fig. 1 is the structural representation of the control guiding circuit of the present invention;

图2为本发明的通过监测电压实现电动汽车充电自动恢复的方法的流程图；Fig. 2 is the flow chart of the method for realizing the automatic recovery of electric vehicle charging by monitoring the voltage of the present invention;

具体实施方式Detailed ways

下面结合实施例及附图对本发明的技术方案作进一步阐述。The technical solutions of the present invention will be further described below in conjunction with the embodiments and the accompanying drawings.

实施例1Example 1

本实施例提供了一种通过监测电压实现电动汽车充电自动恢复的方法，其可以使用图1中的，符合GB/T 18487.1-2015中推荐使用的充电模式3连接方式B的控制导引电路原理图，其包括供电设备、供电接口、车辆接口和电动汽车。在GB/T 18487.1-2015基础上，在所述控制导引电路的电动汽车中，所述电动汽车的车载充电机中集成第一电压监测单元，在所述电动汽车的车辆控制装置中集成第二电压监测单元。This embodiment provides a method for realizing the automatic recovery of electric vehicle charging by monitoring the voltage, which can use the control and guidance circuit principle in Figure 1, which is in line with the charging mode 3 connection mode B recommended in GB/T 18487.1-2015 Figure, which includes power supply equipment, power supply interface, vehicle interface and electric vehicle. On the basis of GB/T 18487.1-2015, in the electric vehicle that controls the steering circuit, the first voltage monitoring unit is integrated in the on-board charger of the electric vehicle, and the first voltage monitoring unit is integrated in the vehicle control device of the electric vehicle. Two voltage monitoring units.

所述第一电压监测单元可在车载充电机处于休眠状态下进行工作；其电压输入端与车辆插座L端、N端相连接，可对车载充电机输入端的交流供电电压进行监测。即所述第一电压监测单元用于在车载充电机处于休眠状态下对车载充电机输入端交流供电电压进行监测，在监测到交流供电电压由供电异常恢复正常时，第一电压监测单元输出高电平信号唤醒车载充电机的主处理器，使车载充电机立即从休眠状态转换至工作状态。The first voltage monitoring unit can work when the on-board charger is in a dormant state; its voltage input terminal is connected to the L terminal and N terminal of the vehicle socket, and can monitor the AC power supply voltage at the input terminal of the on-board charger. That is, the first voltage monitoring unit is used to monitor the AC power supply voltage at the input terminal of the vehicle charger when the vehicle charger is in a dormant state. The level signal wakes up the main processor of the on-board charger, so that the on-board charger immediately switches from the sleep state to the working state.

所述第二电压监测单元可在车辆控制装置处于休眠状态下进行工作；其电压输入端与车辆插座CP端相连接，可对车辆插座CP端电平信号进行监测。即所述第二电压监测单元用于在车辆控制装置处于休眠状态下对车辆插座CP端电平信号进行监测，在监测到CP端电平信号由低电平转换至高电平时，第二电压监测单元输出高电平信号唤醒车辆控制装置的主处理器，使车辆控制装置立即从休眠状态转换至工作状态。The second voltage monitoring unit can work when the vehicle control device is in a dormant state; its voltage input terminal is connected to the CP terminal of the vehicle socket, and can monitor the level signal of the CP terminal of the vehicle socket. That is, the second voltage monitoring unit is used to monitor the level signal of the CP terminal of the vehicle socket when the vehicle control device is in a dormant state. The unit outputs a high-level signal to wake up the main processor of the vehicle control device, so that the vehicle control device immediately switches from the sleep state to the working state.

根据GB/T 18487.1-2015，对于配置开关S2的控制导引电路，所述的CP端高电平信号为9V；对于未配置开关S2的控制导引电路，等同于开关S2为常闭状态，所述的CP端高电平信号为6V。According to GB/T 18487.1-2015, for the control pilot circuit configured with switch S2, the high-level signal at the CP terminal is 9V; for the control pilot circuit without switch S2, it is equivalent to the switch S2 being normally closed, The high-level signal at the CP terminal is 6V.

通过所述第一电压监测单元、第二电压监测单元进行电压监测，如图2所示，本实施例的通过监测电压实现电动汽车充电自动恢复的方法包括以下步骤：The voltage monitoring is performed by the first voltage monitoring unit and the second voltage monitoring unit, as shown in FIG. 2 , the method for realizing the automatic recovery of electric vehicle charging by monitoring the voltage in this embodiment includes the following steps:

S10、车辆在交流充电过程中供电电源发生异常，车辆控制装置控制车辆停止充电，并控制电动汽车的所有控制单元从工作状态转换至休眠状态；S10, the power supply of the vehicle is abnormal during the AC charging process, the vehicle control device controls the vehicle to stop charging, and controls all the control units of the electric vehicle to switch from the working state to the dormant state;

S20、第一电压监测单元监测车载充电机输入端交流供电电压是否恢复正常；如果恢复正常，则执行步骤S50；否则执行步骤S30；S20. The first voltage monitoring unit monitors whether the AC power supply voltage at the input terminal of the on-board charger returns to normal; if it returns to normal, execute step S50; otherwise, execute step S30;

S30、第二电压监测单元监测车辆充电插座CP端是否收到由低电平转换至高电平上升沿信号；如果收到，则执行步骤S60；否则执行步骤S40；S30. The second voltage monitoring unit monitors whether the CP terminal of the vehicle charging socket receives a rising edge signal from low level to high level; if so, execute step S60; otherwise, execute step S40;

S40、使得电动汽车保持休眠状态；并执行步骤S20；S40, keeping the electric vehicle in a dormant state; and performing step S20;

S50、车载充电机从休眠状态转换至工作状态，并发送CAN总线数据唤醒车辆控制装置；S50, the on-board charger switches from the dormant state to the working state, and sends CAN bus data to wake up the vehicle control device;

S60、车辆控制装置从休眠状态转换至工作状态；S60, the vehicle control device switches from the dormant state to the working state;

S70、车辆控制装置确认车辆充电准备就绪，并控制车辆恢复交流充电。S70. The vehicle control device confirms that the vehicle is ready for charging, and controls the vehicle to resume AC charging.

本发明提供的方法可在供电异常消除后无需用户额外操作，车辆即可自动恢复充电，避免了由于交流电网供电异常导致电动汽车无法正常完成充电的问题。本发明提供的方法适用于GB/T 18487.1-2015中定义的充电模式1、充电模式2和充电模式3。The method provided by the invention can automatically resume charging of the vehicle without additional operation by the user after the abnormality of the power supply is eliminated, thereby avoiding the problem that the electric vehicle cannot normally complete the charging due to the abnormal power supply of the AC power grid. The method provided by the present invention is applicable to charging mode 1, charging mode 2 and charging mode 3 defined in GB/T 18487.1-2015.

以上实施例的先后顺序仅为便于描述，不代表实施例的优劣。The sequence of the above embodiments is only for convenience of description, and does not represent the advantages or disadvantages of the embodiments.

最后应说明的是：以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be Modifications are made to the technical solutions described in the foregoing embodiments, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims (1)

1.一种通过监测电压实现电动汽车充电自动恢复的方法，其特征在于，在具有控制导引电路的电动汽车中，所述电动汽车的车载充电机中集成第一电压监测单元，在所述电动汽车的车辆控制装置中集成第二电压监测单元；1. A method for realizing automatic charging recovery of an electric vehicle by monitoring voltage, characterized in that, in an electric vehicle with a control pilot circuit, a first voltage monitoring unit is integrated in the on-board charger of the electric vehicle, and in the electric vehicle A second voltage monitoring unit is integrated in the vehicle control device of the electric vehicle; 所述第一电压监测单元的电压输入端与车辆插座L端、N端相连接，用于在车载充电机处于休眠状态下对车载充电机输入端交流供电电压进行监测，在监测到交流供电电压由供电异常恢复正常时，第一电压监测单元输出高电平信号唤醒车载充电机的主处理器，使车载充电机立即从休眠状态转换至工作状态；The voltage input terminal of the first voltage monitoring unit is connected to the L terminal and the N terminal of the vehicle socket, and is used to monitor the AC power supply voltage at the input terminal of the vehicle charger when the vehicle charger is in a dormant state. When the abnormal power supply returns to normal, the first voltage monitoring unit outputs a high-level signal to wake up the main processor of the on-board charger, so that the on-board charger immediately switches from the sleep state to the working state; 所述第二电压监测单元的电压输入端与车辆插座CP端相连接，用于在车辆控制装置处于休眠状态下对车辆插座CP端电平信号进行监测，在监测到CP端电平信号由低电平转换至高电平时，第二电压监测单元输出高电平信号唤醒车辆控制装置的主处理器，使车辆控制装置立即从休眠状态转换至工作状态；The voltage input terminal of the second voltage monitoring unit is connected to the CP terminal of the vehicle socket, and is used to monitor the level signal of the CP terminal of the vehicle socket when the vehicle control device is in a dormant state. When the level is switched to a high level, the second voltage monitoring unit outputs a high level signal to wake up the main processor of the vehicle control device, so that the vehicle control device immediately switches from the sleep state to the working state; 所述方法包括以下步骤：The method comprises the steps of: S10、车辆在交流充电过程中供电电源发生异常，车辆控制装置控制车辆停止充电，并控制电动汽车的所有控制单元从工作状态转换至休眠状态；S10, the power supply of the vehicle is abnormal during the AC charging process, the vehicle control device controls the vehicle to stop charging, and controls all the control units of the electric vehicle to switch from the working state to the dormant state; S20、第一电压监测单元监测车载充电机输入端交流供电电压是否恢复正常；如果恢复正常，则执行步骤S50；否则执行步骤S30；S20. The first voltage monitoring unit monitors whether the AC power supply voltage at the input terminal of the on-board charger returns to normal; if it returns to normal, execute step S50; otherwise, execute step S30; S30、第二电压监测单元监测车辆充电插座CP端是否收到由低电平转换至高电平上升沿信号；如果收到，则执行步骤S60；否则执行步骤S40；S30. The second voltage monitoring unit monitors whether the CP terminal of the vehicle charging socket receives a rising edge signal from low level to high level; if so, execute step S60; otherwise, execute step S40; S40、使得电动汽车保持休眠状态；并执行步骤S20；S40, keeping the electric vehicle in a dormant state; and performing step S20; S50、车载充电机从休眠状态转换至工作状态，并发送CAN总线数据唤醒车辆控制装置；S50, the on-board charger switches from the dormant state to the working state, and sends CAN bus data to wake up the vehicle control device; S60、车辆控制装置从休眠状态转换至工作状态；S60, the vehicle control device switches from the dormant state to the working state; S70、车辆控制装置确认车辆充电准备就绪，并控制车辆恢复交流充电。S70. The vehicle control device confirms that the vehicle is ready for charging, and controls the vehicle to resume AC charging.
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