WO2017075995A1 - 电量监控装置、导航系统和车辆 - Google Patents

电量监控装置、导航系统和车辆 Download PDF

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Publication number
WO2017075995A1
WO2017075995A1 PCT/CN2016/085375 CN2016085375W WO2017075995A1 WO 2017075995 A1 WO2017075995 A1 WO 2017075995A1 CN 2016085375 W CN2016085375 W CN 2016085375W WO 2017075995 A1 WO2017075995 A1 WO 2017075995A1
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Prior art keywords
power
processor
vehicle
monitoring device
remaining power
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Ceased
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PCT/CN2016/085375
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English (en)
French (fr)
Inventor
张佳林
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Le Holdings Beijing Co Ltd
Leauto Intelligent Technology Beijing Co Ltd
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Le Holdings Beijing Co Ltd
Leauto Intelligent Technology Beijing Co Ltd
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Publication of WO2017075995A1 publication Critical patent/WO2017075995A1/zh
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
    • 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
    • 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]
    • B60L58/13—Maintaining the SoC within a determined range
    • 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
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles

Definitions

  • Embodiments of the present invention relate to electronic technologies, and more particularly to a power monitoring device, a navigation system, and a vehicle.
  • the existing electric vehicle consumes a large amount of electricity even if it is in a parking state. Therefore, after a long period of parking, there is often a situation in which the electric vehicle cannot be started due to exhaustion of the vehicle power supply, or even due to power failure. Or the low battery can not recognize the car key, the door can not be opened, causing great inconvenience to the user.
  • Embodiments of the present invention provide a power monitoring device, a navigation system, and a vehicle for monitoring a vehicle battery power of an electric vehicle.
  • a power monitoring device including: a switch circuit, a processor, a memory, and a communication circuit; the processor is electrically connected to the switch circuit and the communication circuit, respectively, the communication circuit and the memory are electrically connection;
  • a switching circuit for waking up the processor when a timing period is reached
  • a processor when in the awake state, if the vehicle state obtained by a controller area network (CAN) bus of the vehicle is in a stopped state, acquiring the vehicle power source of the vehicle through the CAN bus Remaining power; if the remaining battery When the power is lower than the threshold power, the remaining power is sent to the communication circuit, and after the communication circuit sends the remaining power, the sleep state is repeated; if the remaining power is not lower than the threshold power, the sleep state is repeated;
  • CAN controller area network
  • a communication circuit configured to send the remaining power to the mobile phone number pre-stored by the memory.
  • a navigation system including a power monitoring device as described above.
  • a vehicle including the power quantity monitoring device as described above.
  • the power quantity monitoring device in the embodiment of the present invention includes a switch circuit, a processor, a memory, and a communication circuit, and the processor wakes up when the timing period is reached by the switch circuit, and the processor in the awake state acquires the vehicle through the CAN bus.
  • the communication circuit sends the remaining power to the pre-stored mobile phone number, and the processor resets the sleep state after the communication circuit sends the remaining power, and on the other hand, if the remaining battery power If the power is not lower than the threshold, the sleep state is reset, thereby realizing the monitoring of the on-board battery power of the electric vehicle.
  • the battery monitoring device since the battery monitoring device periodically wakes up the power monitoring when the vehicle is in the stopped state, the power consumption of the power monitoring device itself is reduced.
  • FIG. 1 is a schematic structural diagram of a power quantity monitoring apparatus according to Embodiment 1 of the present invention.
  • FIG. 2 is a schematic structural diagram of another power quantity monitoring apparatus according to Embodiment 2 of the present invention.
  • FIG. 3 is a circuit connection diagram of a power quantity monitoring device.
  • FIG. 1 is a schematic structural diagram of a power quantity monitoring apparatus according to Embodiment 1 of the present invention.
  • the power quantity monitoring apparatus is installed inside a vehicle and connected to a CAN bus of a vehicle.
  • the vehicle may be an electric vehicle, as shown in FIG. 1 .
  • the switch circuit 11, the processor 12, the memory 13, and the communication circuit 14 are included.
  • the processor 12 is electrically connected to the switch circuit 11 and the communication circuit 14, respectively, and the communication circuit 14 is electrically connected to the memory 13.
  • the processor 12 can be a navigation system of the vehicle Power management chip.
  • the switch circuit 11 is configured to wake up the processor 12 when a timing period is reached.
  • the processor 12 when in the awake state, if the vehicle state obtained by the CAN bus of the vehicle is in a stopped state, acquiring the remaining power of the vehicle power supply of the vehicle through the CAN bus of the vehicle; When the power is lower than the threshold power, the remaining power is sent to the communication circuit 14, and after the communication circuit 14 sends the remaining power, the sleep state is reset; if the remaining power is not lower than the threshold power, the sleep is reset. status.
  • the threshold power value ranges from 10% to 30%, preferably 20%.
  • the selection of the value range may be combined with the arrangement density of the charging device within the driving range of the vehicle. If the arrangement density is large, the value of the threshold power may be lower, and vice versa, the value may be higher.
  • the memory 13 is configured to pre-store the mobile phone number.
  • the communication circuit 14 is configured to send the remaining power to the mobile phone number pre-stored by the memory 13.
  • the communication circuit 14 is specifically configured to receive the remaining power generated by the processor 12, read the pre-stored mobile phone number from the memory 13, and send the remaining power to the mobile phone number through the base station in the form of a short message, and receive the sent by the base station. After successfully transmitting the response, the successful transmission response is sent to the processor 12.
  • the processor 12 in the power quantity monitoring device in this embodiment obtains an engine shutdown signal through the CAN bus, and the processor instructs the switch circuit 11 to start.
  • the switch circuit 11 pairs the The processor 12 wakes up.
  • the processor 12 acquires the remaining power of the vehicle-mounted power source of the vehicle through the CAN bus, and determines the remaining power.
  • the processor 12 transmits the remaining power to the communication circuit 14, and resumes the sleep state after the communication circuit 14 transmits the remaining power.
  • the processor 12 is specifically configured to confirm that the communication circuit 14 has transmitted the remaining power by receiving the successful transmission response sent by the communication circuit 14, and then execute a shutdown process to resume the sleep state.
  • the processor 12 is in a dormant state.
  • the processor 12 is specifically configured to resume the sleep state by executing a shutdown process.
  • the power quantity monitoring device includes a switch circuit, a processor, a memory, and a communication circuit.
  • the switch circuit reaches a timing period
  • the processor wakes up and is awakened.
  • the state processor obtains the remaining power of the vehicle's vehicle power supply through the CAN bus.
  • the communication circuit sends the remaining power to the pre-stored mobile phone number, and the processor repeats after the communication circuit sends the remaining power.
  • the sleep state on the other hand, if the remaining power is not lower than the threshold power, the sleep state is reset, thereby realizing monitoring of the vehicle battery power of the electric vehicle.
  • the power monitoring device is periodically awakened to perform power monitoring, thereby reducing the power consumption of the power monitoring device itself, and in addition, notifying the user to further reduce its own power consumption only when the remaining power is low. Quantity, to avoid the exhaustion of the car power supply.
  • the switch circuit 11 in this embodiment further includes: a relay 111 and a timing. 112.
  • the relay 111 and the timer 112 are electrically connected.
  • the timer 112 is configured to send an indication signal to the relay 111 when the timing period is reached.
  • the relay 111 is configured to receive an electrical connection between the vehicle battery of the vehicle and the processor 12 after receiving the indication signal to wake up the processor 12.
  • the timing period may be one hour.
  • the relay 111 connects the electrical connection between the vehicle battery and the processor 12, thereby triggering the processor 12 to be in an awake state, and performing subsequent acquisition through the CAN bus. Remaining power of the vehicle power supply of the vehicle; if the remaining power is lower than the threshold power, transmitting the remaining power to the communication circuit 14, and after the communication circuit 14 sends the remaining power, the sleep state If the remaining power is not lower than the threshold power, the process of resetting the sleep state.
  • the processor 12 Since the timer 112 triggers the relay 111 to wake up the processor 12 once every hour, and regardless of the remaining battery capacity of the vehicle battery, the processor 12 resumes sleep after monitoring the remaining power, thereby reducing the power monitoring device itself. power consumption.
  • the power quantity monitoring device includes a switch circuit, a processor, a memory, and a communication circuit.
  • the switch circuit reaches a timing period, the processor wakes up, and the processor in the awake state acquires the vehicle power supply of the vehicle through the CAN bus.
  • the communication circuit sends the remaining power to the pre-stored mobile phone number, and the processor resets the sleep state after the communication circuit sends the remaining power, and if the remaining power is on the other hand If the power is not lower than the threshold, the sleep state is reset, thereby realizing the monitoring of the on-board battery power of the electric vehicle.
  • the power monitoring device is periodically awakened to perform power monitoring, thereby reducing the power consumption of the power monitoring device itself, and in addition, notifying the user to further reduce its own power consumption only when the remaining power is low. Quantity, to avoid the exhaustion of the car power supply.
  • the processor 12 is further configured to: if the remaining power is lower than the threshold power, instruct the switch circuit to stop on the basis of the power monitoring device provided in the first or second embodiment.
  • the processor wakes up.
  • the processor 12 is configured to: if the remaining power is lower than the threshold power, stop the timer circuit 11 to wake up the processor 12 by deleting the timing period set in the switch circuit 11 .
  • the processor 12 confirms that the remaining power is lower than the threshold power, the remaining power is transmitted to the communication circuit 14, and at the same time, the switch is stopped by deleting the timing period set in the switch circuit 11.
  • the circuit 11 wakes up the processor 12 and resumes the sleep state after the communication circuit 14 transmits the remaining power.
  • the processor 12 is further configured to: if the vehicle state obtained through the CAN bus is a running state, instruct the switch circuit 11 to stop waking up the processor 12, and acquire the real-time through the CAN bus. The remaining power of the vehicle power supply of the vehicle is transmitted to the communication circuit 14 if the remaining power is lower than the threshold power.
  • the processor 12 instructs the switch circuit 11 to stop waking up the processor 12, but acquires the remaining power of the vehicle power supply of the vehicle in real time through the CAN bus, and When the remaining power is lower than the threshold power, the remaining power is transmitted to the communication circuit 14 to cause the communication circuit 14 to transmit the remaining power to the mobile phone number pre-stored by the memory 13.
  • the processor 12 monitors the power in real time, because the power consumption is large during the running of the vehicle, and the power consumption will decrease rapidly in a short period of time.
  • the periodical monitoring can no longer meet the monitoring requirements, and the power is monitored in real time. When the remaining power is insufficient, the user is notified in time.
  • the embodiment further provides a navigation system, which includes the power quantity monitoring device in this embodiment.
  • the processor 12 in the power monitoring device may specifically be a power management chip of the navigation system.
  • the power quantity monitoring device includes a switch circuit, a processor, a memory, and a communication circuit.
  • the switch circuit reaches a timing period, the processor wakes up, and the processor in the awake state acquires the vehicle power supply of the vehicle through the CAN bus.
  • the communication circuit sends the remaining power to the pre-stored mobile phone number, and the processor resets the sleep state after the communication circuit sends the remaining power, on the other hand, if the remaining power is not low At the threshold power level, the sleep state is reset, thereby realizing the monitoring of the vehicle battery power of the electric vehicle.
  • the power monitoring device is periodically awakened to perform power monitoring, thereby reducing the power consumption of the power monitoring device itself.
  • the power consumption is large, and the power is generated in a short time. The decline is faster. Therefore, the periodic monitoring can no longer meet the monitoring demand.
  • the power monitoring device monitors the power in real time when the vehicle is in the driving state, so that the user is notified in time when the remaining power is insufficient.
  • FIG. 3 is a circuit connection diagram of the power monitoring device. As shown in FIG. 3, the processor 12 in the power quantity monitoring device is connected to the CAN bus of the vehicle, and the switch circuit 11 is electrically connected to the vehicle power source.
  • the processor in the power monitoring device may specifically be a power management chip of the navigation system of the vehicle.
  • the CAN bus sends an engine shutdown signal, and after receiving the engine shutdown signal, the processor 12 in the power monitoring device instructs the switch circuit 11 to start.
  • the switch circuit 11 is opposite.
  • the processor 12 wakes up. Further, the processor 12 acquires the remaining power of the vehicle-mounted power source of the vehicle through the CAN bus, and determines the remaining power. In one aspect, if the remaining power is lower than the threshold power, the processor 12 sends the remaining power to the communication circuit 14, and deletes the timing period set in the switch circuit 11 to stop the switch circuit 11 The processor 12 is woken up, and after the communication circuit 14 transmits the remaining power, the sleep state is resumed. On the other hand, if the remaining electricity If the amount is not lower than the threshold amount, the processor 12 is in a dormant state.
  • the processor 12 Since the timer 112 triggers the relay 111 to wake up the processor 12 once every time period, and regardless of the remaining power of the vehicle battery, the processor 12 resumes sleep after monitoring the remaining power, thereby reducing the power monitoring device itself. Power consumption. In addition, when the remaining power is low, not only the processor 12 resumes the sleep after confirming that the user is successfully notified, but also stops the switch circuit 11 to periodically wake up the processor 12 to further reduce its own power consumption and avoid occurrence. The car power is exhausted.
  • the CAN bus sends an engine start signal
  • the processor 12 confirms that the vehicle state is a running state by an engine start signal, instructing the switch circuit 11 to stop waking up the processor 12, and
  • the remaining power of the vehicle power source of the vehicle is acquired in real time through the CAN bus, and when the remaining power is lower than the threshold power, the remaining power is sent to the communication circuit 14 to cause the communication circuit 14 to The remaining number of power is transmitted by the mobile phone number prestored in the memory 13.
  • the processor 12 monitors the power in real time. This is because the vehicle consumes a large amount of power during the running process, and the power consumption will decrease rapidly in a short period of time. Therefore, the periodic monitoring can not meet the monitoring demand and is changed to Real-time monitoring of power, timely notification to users when the remaining power is insufficient.
  • the power quantity monitoring device includes a switch circuit, a processor, a memory, and a communication circuit.
  • the switch circuit reaches a timing period, the processor wakes up, and the processor in the awake state acquires the vehicle power supply of the vehicle through the CAN bus.
  • the communication circuit sends the remaining power to the pre-stored mobile phone number, and the processor resets the sleep state after the communication circuit sends the remaining power, on the other hand, if the remaining power is not low At the threshold power level, the sleep state is reset, thereby realizing the monitoring of the vehicle battery power of the electric vehicle.
  • the power monitoring device is periodically awakened to perform power monitoring, thereby reducing the power consumption of the power monitoring device itself.
  • the power consumption is large, and the power is generated in a short time. The decline is faster. Therefore, the periodic monitoring can no longer meet the monitoring demand.
  • the power monitoring device monitors the power in real time when the vehicle is in the driving state, so that the user is notified in time when the remaining power is insufficient.
  • the aforementioned program can be stored in a computer readable storage medium. When the program is executed, the steps including the above method embodiments are performed.
  • the foregoing storage medium includes various media that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Navigation (AREA)
  • Traffic Control Systems (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Telephone Function (AREA)

Abstract

一种电量监控装置，包括开关电路（11）、处理器（12）、存储器（13）和通信电路（14），通过开关电路（11）在达到计时周期时，对处理器（12）进行唤醒，进而处于唤醒状态的处理器（12）通过CAN总线获取车辆的车载电源的剩余电量，一方面，若剩余电量低于阈值电量，则通信电路（14）向预存手机号码发送该剩余电量，处理器（12）在通信电路（14）发送剩余电量后，复休眠状态，另一方面，若剩余电量不低于阈值电量，则复休眠状态，从而实现了对电动汽车的车载电池电量进行监控。还涉及一种导航系统和一种车辆，其均包括该电量监控装置。同时，由于在车辆处于停驶状态时，周期性唤醒电量监控装置进行电量监控，减少了电量监控装置自身的耗电量。

Description

电量监控装置、导航系统和车辆
交叉引用
本申请引用于2015年11月2日提交的专利名称为“电量监控装置、导航系统和车辆”的第2015107330420号中国专利申请，其通过引用被全部并入本申请。
技术领域
本发明的实施例涉及电子技术，尤其涉及一种电量监控装置、导航系统和车辆。
背景技术
随着环境问题的日益突出，以及车辆制造水平的不断进步，电动汽车由于其采用清洁能源，对环境污染较低，日益收到人们的关注。是指以车载电源为动力，用电机驱动车轮行驶，符合道路交通、安全法规各项要求的车辆。
但现有的电动汽车由于其即使处于停车状态，耗电量也较大，因而，在长时间停放之后，往往出现由于车载电源电量耗尽，导致电动汽车无法启动的情况出现，甚至由于断电或低电无法对车钥匙进行识别，车门无法开启，给用户造成了极大的不便。
发明内容
本发明的实施例提供一种电量监控装置、导航系统和车辆，用于对电动汽车的车载电池电量进行监控。
为达到上述目的，本发明的实施例采用如下技术方案：
一方面提供了一种电量监控装置，包括：开关电路、处理器、存储器和通信电路；所述处理器分别与所述开关电路和所述通信电路电连接，所述通信电路与所述存储器电连接；
开关电路，用于在达到计时周期时，对所述处理器进行唤醒；
处理器，用于处于唤醒状态时，若通过车辆的控制器局域网络(Controller Area Network,CAN)总线获得的所述车辆状态为停驶状态，则通过所述CAN总线获取所述车辆的车载电源的剩余电量；若所述剩余电量 低于阈值电量，则向所述通信电路发送所述剩余电量，并在所述通信电路发送所述剩余电量后，复休眠状态；若所述剩余电量不低于阈值电量，则复休眠状态；
存储器，用于预存手机号码；
通信电路，用于向所述存储器所预存的手机号码发送所述剩余电量。
另一方面，提供了一种导航系统，包括如上所述的电量监控装置。
又一方面，提供了一种车辆，包括如上所述的电量监控装置。
本发明的实施例中的电量监控装置包括开关电路、处理器、存储器和通信电路，通过开关电路在达到计时周期时，对处理器进行唤醒，进而处于唤醒状态的处理器通过CAN总线获取车辆的车载电源的剩余电量，一方面，若剩余电量低于阈值电量，则通信电路向预存手机号码发送该剩余电量，处理器在通信电路发送剩余电量后，复休眠状态，另一方面，若剩余电量不低于阈值电量，则复休眠状态，从而实现了对电动汽车的车载电池电量进行监控。同时，由于在车辆处于停驶状态时，周期性唤醒电量监控装置进行电量监控，减少了电量监控装置自身的耗电量。
附图说明
图1为本发明实施例一提供的一种电量监控装置的结构示意图；
图2为本发明实施例二提供的另一种电量监控装置的结构示意图；
图3为电量监控装置的电路连接关系图。
具体实施方式
下面结合附图对本发明实施例提供的电量监控装置、导航系统和车辆进行详细描述。
实施例一
图1为本发明实施例一提供的一种电量监控装置的结构示意图，电量监控装置安装于车辆内部，与车辆的CAN总线连接，具体的，该车辆可以为电动车辆，如图1所示，包括：开关电路11、处理器12、存储器13和通信电路14。
其中，处理器12分别与所述开关电路11和所述通信电路14电连接，所述通信电路14与所述存储器13电连接。处理器12可以为车辆的导航系 统的电源管理芯片。
开关电路11，用于在达到计时周期时，对所述处理器12进行唤醒。
处理器12，用于处于唤醒状态时，若通过车辆的CAN总线获得的所述车辆状态为停驶状态，则通过车辆的CAN总线获取所述车辆的车载电源的剩余电量；若所述剩余电量低于阈值电量，则向所述通信电路14发送所述剩余电量，并在所述通信电路14发送所述剩余电量后，复休眠状态；若所述剩余电量不低于阈值电量，则复休眠状态。
其中，该阈值电量取值范围为10％-30％，优选的可以为20％。取值范围的选定可以结合在车辆行驶范围内充电装置的布置密度，若布置密度较大，则阈值电量的取值可较低，反之，取值可较高。
存储器13，用于预存手机号码。
通信电路14，用于向所述存储器13所预存的手机号码发送所述剩余电量。
通信电路14具体用于接收所述处理器12发送的剩余电量，从所述存储器13读取预存手机号码，以短信形式通过基站向所述手机号码发送所述剩余电量，接收到所述基站发送的成功发送响应后，向所述处理器12发送所述成功发送响应。
具体的，在用户停车之后，本实施例中的电量监控装置中的处理器12通过CAN总线获得发动机关机信号，则处理器指示开关电路11启动，在达到计时周期时，开关电路11对所述处理器12进行唤醒。进而，处理器12通过所述CAN总线获取所述车辆的车载电源的剩余电量，判断剩余电量。
一方面，若所述剩余电量低于阈值电量，则处理器12向所述通信电路14发送所述剩余电量，并在所述通信电路14发送所述剩余电量后，复休眠状态。
处理器12具体用于通过接收到通信电路14发送的成功发送响应，确认通信电路14已发送所述剩余电量，进而执行关机流程以恢复休眠状态。
另一方面，若所述剩余电量不低于阈值电量，则处理器12复休眠状态。
处理器12具体用于通过执行关机流程以恢复休眠状态。
本实施例中，电量监控装置包括开关电路、处理器、存储器和通信电路，通过开关电路在达到计时周期时，对处理器进行唤醒，进而处于唤醒 状态的处理器通过CAN总线获取车辆的车载电源的剩余电量，一方面，若剩余电量低于阈值电量，则通信电路向预存手机号码发送该剩余电量，处理器在通信电路发送剩余电量后，复休眠状态，另一方面，若剩余电量不低于阈值电量，则复休眠状态，从而实现了对电动汽车的车载电池电量进行监控。同时，由于在车辆处于停驶状态时，周期性唤醒电量监控装置进行电量监控，减少了电量监控装置自身的耗电量，另外，仅在剩余电量较低时通知用户进一步减少了自身的耗电量，避免出现车载电源电量耗尽的情况。
实施例二
图2为本发明实施例二提供的另一种电量监控装置的结构示意图，如图2所示，在实施例一的基础上，本实施例中的开关电路11，进一步包括：继电器111和计时器112。
其中，继电器111和所述计时器112电连接。
计时器112，用于达到计时周期时，向所述继电器111发送指示信号。
继电器111，用于接收到所述指示信号后，接续所述车辆的车载电池与所述处理器12之间的电连接，以对所述处理器12进行唤醒。
具体的，该计时周期可以为一个小时，每个小时，继电器111通过接续车载电池与所述处理器12之间的电连接，从而触发处理器12处于唤醒状态，执行后续通过所述CAN总线获取所述车辆的车载电源的剩余电量；若所述剩余电量低于阈值电量，则向所述通信电路14发送所述剩余电量，并在所述通信电路14发送所述剩余电量后，复休眠状态；若所述剩余电量不低于阈值电量，则复休眠状态的流程。
由于计时器112每个小时触发继电器111唤醒处理器12一次，并且，无论车载电池的剩余电量如何，该处理器12均会在对剩余电量进行监控之后恢复休眠，从而减少了电量监控装置自身的耗电量。
本实施例中，电量监控装置包括开关电路、处理器、存储器和通信电路，通过开关电路在达到计时周期时，对处理器进行唤醒，进而处于唤醒状态的处理器通过CAN总线获取车辆的车载电源的剩余电量，一方面，若剩余电量低于阈值电量，则通信电路向预存手机号码发送该剩余电量，处理器在通信电路发送剩余电量后，复休眠状态，另一方面，若剩余电量 不低于阈值电量，则复休眠状态，从而实现了对电动汽车的车载电池电量进行监控。同时，由于在车辆处于停驶状态时，周期性唤醒电量监控装置进行电量监控，减少了电量监控装置自身的耗电量，另外，仅在剩余电量较低时通知用户进一步减少了自身的耗电量，避免出现车载电源电量耗尽的情况。
实施例三
本实施例中的电量监控装置，在实施例一或二所提供的电量监控装置的基础上，处理器12进一步用于若所述剩余电量低于阈值电量，则指示所述开关电路停止对所述处理器进行唤醒。
具体的，处理器12，具体用于若所述剩余电量低于阈值电量，则通过删除所述开关电路11中所设置的计时周期，以停止所述开关电路11对所述处理器12进行唤醒。
也就是说，处理器12若确认剩余电量低于阈值电量，则向所述通信电路14发送所述剩余电量，同时，通过删除所述开关电路11中所设置的计时周期，以停止所述开关电路11对所述处理器12进行唤醒，并在所述通信电路14发送所述剩余电量后，复休眠状态。
在剩余电量较低时，不仅处理器12在确认成功通知用户之后，恢复休眠，而且，停止开关电路11对处理器12进行周期性的唤醒，以进一步减少自身的耗电量，避免出现车载电源电量耗尽的情况。
进一步，处理器12还用于若通过所述CAN总线获得的所述车辆状态为行驶状态，则指示所述开关电路11停止对所述处理器12进行唤醒，并通过所述CAN总线实时获取所述车辆的车载电源的剩余电量，若所述剩余电量低于阈值电量，则向所述通信电路14发送所述剩余电量。
具体的，在车辆处于行驶状态时，处理器12指示所述开关电路11停止对所述处理器12进行唤醒，而是通过所述CAN总线实时获取所述车辆的车载电源的剩余电量，并在所述剩余电量低于阈值电量时，向所述通信电路14发送所述剩余电量，以使通信电路14向所述存储器13所预存的手机号码发送所述剩余电量。
也就是说，在车辆行驶状态时，该处理器12实时监控电量，这是由于车辆在行驶过程中，电能消耗较大，短时间内电量会下降较快，因而，周 期性监控已不能满足监控需求，改为实时监控电量，在剩余电量不足时，及时通知用户。
本实施例还提供了一种导航系统，该系统包括本实施例中的电量监控装置。其中，电量监控装置中的处理器12具体可以为导航系统的电源管理芯片。
本实施例中，电量监控装置包括开关电路、处理器、存储器和通信电路，通过开关电路在达到计时周期时，对处理器进行唤醒，进而处于唤醒状态的处理器通过CAN总线获取车辆的车载电源的剩余电量，一方面，若剩余电量低于阈值电量，则通信电路向预存手机号码发送该剩余电量，处理器在通信电路发送剩余电量后，复休眠状态，另一方面，若剩余电量不低于阈值电量，则复休眠状态，从而实现了对电动汽车的车载电池电量进行监控。同时，由于在车辆处于停驶状态时，周期性唤醒电量监控装置进行电量监控，减少了电量监控装置自身的耗电量，另外，车辆在行驶过程中，电能消耗较大，短时间内电量会下降较快，因而，周期性监控已不能满足监控需求，电量监控装置在车辆处于行驶状态时，实时监控电量，从而在剩余电量不足时，及时通知用户。
实施例四
本实施例提供了一种车辆，该车辆可以为电动车辆，该车辆内部安装有前述各实施例中所提供的电量监控装置中的一个，图3为电量监控装置的电路连接关系图，如图3所示，该电量监控装置中的处理器12与车辆的CAN总线连接，开关电路11与车载电源电连接。其中，电量监控装置中的处理器具体可以为该车辆的导航系统的电源管理芯片。
具体的，车辆的发动机停止运行之后，CAN总线发送发动机关机信号，则电量监控装置中的处理器12接收到发动机关机信号之后，指示开关电路11启动，在达到计时周期时，开关电路11对所述处理器12进行唤醒。进而，处理器12通过所述CAN总线获取所述车辆的车载电源的剩余电量，判断剩余电量。一方面，若所述剩余电量低于阈值电量，则处理器12向所述通信电路14发送所述剩余电量，同时删除所述开关电路11中所设置的计时周期，以停止所述开关电路11对所述处理器12进行唤醒，并在所述通信电路14发送所述剩余电量后，复休眠状态。另一方面，若所述剩余电 量不低于阈值电量，则处理器12复休眠状态。
由于计时器112每个计时周期触发继电器111唤醒处理器12一次，并且，无论车载电池的剩余电量如何，该处理器12均会在对剩余电量进行监控之后恢复休眠，从而减少了电量监控装置自身的耗电量。另外，在剩余电量较低时，不仅处理器12在确认成功通知用户之后，恢复休眠，而且，停止开关电路11对处理器12进行周期性的唤醒，以进一步减少自身的耗电量，避免出现车载电源电量耗尽的情况。
进一步，具体的，在车辆处于行驶状态时，CAN总线发送发动机启动信号，处理器12通过发动机启动信号确认车辆状态为行驶状态，指示所述开关电路11停止对所述处理器12进行唤醒，而是通过所述CAN总线实时获取所述车辆的车载电源的剩余电量，并在所述剩余电量低于阈值电量时，向所述通信电路14发送所述剩余电量，以使通信电路14向所述存储器13所预存的手机号码发送所述剩余电量。
在车辆行驶状态时，该处理器12实时监控电量，这是由于车辆在行驶过程中，电能消耗较大，短时间内电量会下降较快，因而，周期性监控已不能满足监控需求，改为实时监控电量，在剩余电量不足时，及时通知用户。
本实施例中，电量监控装置包括开关电路、处理器、存储器和通信电路，通过开关电路在达到计时周期时，对处理器进行唤醒，进而处于唤醒状态的处理器通过CAN总线获取车辆的车载电源的剩余电量，一方面，若剩余电量低于阈值电量，则通信电路向预存手机号码发送该剩余电量，处理器在通信电路发送剩余电量后，复休眠状态，另一方面，若剩余电量不低于阈值电量，则复休眠状态，从而实现了对电动汽车的车载电池电量进行监控。同时，由于在车辆处于停驶状态时，周期性唤醒电量监控装置进行电量监控，减少了电量监控装置自身的耗电量，另外，车辆在行驶过程中，电能消耗较大，短时间内电量会下降较快，因而，周期性监控已不能满足监控需求，电量监控装置在车辆处于行驶状态时，实时监控电量，从而在剩余电量不足时，及时通知用户。
本领域普通技术人员可以理解：实现上述各方法实施例的全部或部分步骤可以通过程序指令相关的硬件来完成。前述的程序可以存储于一计算机可读取存储介质中。该程序在执行时，执行包括上述各方法实施例的步 骤；而前述的存储介质包括：ROM、RAM、磁碟或者光盘等各种可以存储程序代码的介质。
最后应说明的是：以上各实施例仅用以说明本发明的实施例的技术方案，而非对其限制；尽管参照前述各实施例对本发明的实施例进行了详细的说明，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，或者对其中部分或者全部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范围。

Claims (11)

  1. 一种电量监控装置，其特征在于，包括：开关电路、处理器、存储器和通信电路；所述处理器分别与所述开关电路和所述通信电路电连接，所述通信电路与所述存储器电连接；
    开关电路，用于在达到计时周期时，对所述处理器进行唤醒；
    处理器，用于处于唤醒状态时，若通过车辆的CAN总线获得的所述车辆状态为停驶状态，则通过所述CAN总线获取所述车辆的车载电源的剩余电量；若所述剩余电量低于阈值电量，则向所述通信电路发送所述剩余电量，并在所述通信电路发送所述剩余电量后，复休眠状态；若所述剩余电量不低于阈值电量，则复休眠状态；
    存储器，用于预存手机号码；
    通信电路，用于向所述存储器所预存的手机号码发送所述剩余电量。
  2. 根据权利要求1所述的电量监控装置，其特征在于，所述开关电路，包括：继电器和计时器；所述继电器和所述计时器电连接；
    所述计时器，用于达到计时周期时，向所述继电器发送指示信号；
    所述继电器，用于接收到所述指示信号后，接续所述车辆的车载电池与所述处理器之间的电连接，以对所述处理器进行唤醒。
  3. 根据权利要求1所述的电量监控装置，其特征在于，
    所述通信电路，具体用于接收所述处理器发送的剩余电量，从所述存储器读取预存手机号码，以短信形式通过基站向所述手机号码发送所述剩余电量，接收到所述基站发送的成功发送响应后，向所述处理器发送所述成功发送响应。
  4. 根据权利要求3所述的电量监控装置，其特征在于，所述处理器在所述通信电路发送所述剩余电量后，复休眠状态，包括：
    所述处理器，具体用于接收到所述成功发送响应后，执行关机流程以恢复休眠状态。
  5. 根据权利要求1-4任一项所述的电量监控装置，其特征在于，
    所述处理器，还用于若所述剩余电量低于阈值电量，则指示所述开关电路停止对所述处理器进行唤醒。
  6. 根据权利要求5所述的电量监控装置，其特征在于，
    所述处理器，具体用于若所述剩余电量低于阈值电量，则通过删除所 述开关电路中所设置的计时周期，以停止所述开关电路对所述处理器进行唤醒。
  7. 根据权利要求1-4任一项所述的电量监控装置，其特征在于，
    所述处理器，还用于若通过所述CAN总线获得的所述车辆状态为行驶状态，则指示所述开关电路停止对所述处理器进行唤醒，并通过所述CAN总线实时获取所述车辆的车载电源的剩余电量，若所述剩余电量低于阈值电量，则向所述通信电路发送所述剩余电量。
  8. 根据权利要求1-4任一项所述的电量监控装置，其特征在于，所述阈值电量取值范围为10％-30％。
  9. 根据权利要求1-4任一项所述的电量监控装置，其特征在于，所述处理器具体为所述车辆的导航系统的电源管理芯片。
  10. 一种导航系统，其特征在于，包括如权利要求1-8任一项所述的电量监控装置。
  11. 一种车辆，其特征在于，包括如权利要求1-8任一项所述的电量监控装置。
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