WO2012109891A1 - Method for remotely monitoring mileage of hybrid vehicle - Google Patents

Method for remotely monitoring mileage of hybrid vehicle Download PDF

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Publication number
WO2012109891A1
WO2012109891A1 PCT/CN2011/079085 CN2011079085W WO2012109891A1 WO 2012109891 A1 WO2012109891 A1 WO 2012109891A1 CN 2011079085 W CN2011079085 W CN 2011079085W WO 2012109891 A1 WO2012109891 A1 WO 2012109891A1
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Prior art keywords
mileage
vehicle
car
remote monitoring
real
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PCT/CN2011/079085
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French (fr)
Chinese (zh)
Inventor
严钦山
邓柯军
刘小俊
杨宁
苏岭
Original Assignee
重庆长安汽车股份有限公司
重庆长安新能源汽车有限公司
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Application filed by 重庆长安汽车股份有限公司, 重庆长安新能源汽车有限公司 filed Critical 重庆长安汽车股份有限公司
Publication of WO2012109891A1 publication Critical patent/WO2012109891A1/en

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    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/008—Registering or indicating the working of vehicles communicating information to a remotely located station
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles

Definitions

  • the present invention relates to the field of hybrid vehicle control, and in particular, to a remote monitoring method for driving mileage of a hybrid vehicle.
  • New energy vehicles mainly include pure electric vehicles and hybrid vehicles. New energy vehicles are a revolution in traditional automobile technology. Most of them are currently in the research and development stage, and even new energy vehicles that are put into production will have different problems.
  • Hybrid electric vehicle is a new energy vehicle equipped with both the internal combustion engine and the electric motor and the energy storage device battery. Therefore, the real-time remote monitoring system has high practical value during the demonstration operation of the hybrid vehicle.
  • the remote monitoring technology staff can collect the vehicle position and vehicle mileage in the vehicle in real time through the remote monitoring system, real-time monitoring of the running mileage of the vehicle, and mastering the running mileage data of the vehicle. .
  • the invention provides a remote monitoring method for the mileage of a hybrid vehicle, which is intended to reduce the excessive data collection amount and optimize the calculation method of the vehicle mileage, thereby improving the calculation accuracy of the vehicle mileage.
  • a remote monitoring method for driving mileage of a hybrid vehicle comprising: a wireless transceiver module, a network operator server, and a monitoring system user terminal installed in a vehicle controller of the automobile,
  • the utility model also relates to a wireless communication network and an internet communication network; wherein the wireless transceiver module on the vehicle is used for transmitting the vehicle mileage real-time data to the monitoring system user terminal during the driving process, and the monitoring system user terminal collects the vehicle transmission.
  • Real-time data on the mileage of the car is the real-time data of the mileage of the car
  • the transfer station, the wireless communication network and the internet communication network are transmission media for data transmission; the method is that the vehicle mileage value is calculated by the vehicle controller during the running of the vehicle, and the calculated mileage of the vehicle is calculated.
  • the real-time data is sent to the network operator server through the wireless transceiver module and via the wireless communication network, and is transmitted to the monitoring system user terminal through the internet communication network after being transferred by the network operator server, and the data collected by the technicians at the user terminal is collected. Analyze and monitor the current mileage of the car.
  • the EEPROM (Electrically Erasable Read Only Memory) of the vehicle controller is provided with a storage area dedicated to storing the mileage of the vehicle, and the area is used to store the calculated total mileage of the vehicle when the vehicle is powered off. The area is also used to take the total mileage of the car from this area after the car is powered on.
  • the invention not only accurately calculates the mileage of the vehicle, but also realizes real-time remote monitoring of the mileage of the vehicle in the platform of the remote monitoring system.
  • the remote monitoring system can be used to collect and monitor the driving mileage of the vehicle, and the real-time driving mileage data can be obtained conveniently and quickly, and the calculation method of the driving mileage of the invention has high accuracy, small error and high reliability.
  • FIG. 1 is a schematic diagram of remote monitoring of the mileage of a moderately hybrid vehicle according to the present invention
  • FIG. 2 is a structural diagram of a mileage of a moderately hybrid vehicle according to the present invention
  • FIG. 3 is a schematic diagram of a method for calculating the mileage of a moderate hybrid vehicle according to the present invention.
  • the remote monitoring principle of the driving mileage of the present invention is shown in FIG. 1.
  • the remote monitoring system includes a wireless transceiver module installed on the automobile, a network operator server, a monitoring system user terminal, and also a wireless communication network and an internet. Communication network.
  • the wireless transceiver module on the vehicle is used for transmitting real-time data of the vehicle mileage to the remote monitoring system while the vehicle is running, and the user terminal of the monitoring system collects real-time data of the mileage of the vehicle sent by the vehicle, and the network operator server transmits the vehicle.
  • the mileage transfer station, the wireless communication network and the internet communication network are transmission media for data transmission.
  • the vehicle controller calculates the calculated mileage value of the car at this moment through the wireless transceiver module installed thereon and sends it to the network operator server via the wireless network, and transits through the network operator server. After that, it is transmitted to the user terminal of the monitoring system by means of the internet network.
  • the technicians at the user terminal can analyze and process the collected data to monitor the current total mileage of the car.
  • the structure diagram of the mileage of the automobile of the invention is shown in Fig. 2.
  • the invention relates to a vehicle control unit (HCU), a display control unit (DCU) and a brake system (ABS); wherein the HCU is mainly responsible for calculating the mileage of the vehicle.
  • the DCU is mainly responsible for displaying the mileage of the car calculated by the HCU on the instrument panel.
  • the ABS is mainly responsible for providing the vehicle wheel speed signal; the subsystems in the structure diagram are connected by the CAN bus.
  • FIG. 3 The schematic diagram of the vehicle mileage calculation method of the present invention is shown in Figure 3, in the HCU system.
  • a storage area dedicated to storing the mileage of the car is opened in the EEPROM. This area is used to store the calculated total mileage of the car in this area when the car is powered off. It is also used to take the total mileage of the car from the area after the car is powered on. .
  • the total mileage of the car from the last power-off time is read from the car mileage storage area in the EEPROM to the RAM, and the value taken out is used as the base value of the current power-on.
  • the wheel speed signal collected by the ABS is sent to the HCU, and the wheel speed signal is integrated with the time, that is, the sampling time is taken as the integration time A t , the integral is taken for the collected wheel speed, and then the integral is obtained.
  • the value is added to the base value to obtain the total mileage value of the current stage.
  • the total mileage calculated in this stage is sent out through the CAN bus for display on the vehicle instrument, and the total mileage calculated at this stage is to be used as the next stage of operation.
  • the base value When the car is powered off, it is necessary to save the total mileage of the car in the car mileage storage area before the power is turned off.
  • the program is running in the RAM when the power is off, and the total mileage value of the car is temporarily saved in the RAM. This is to ensure that this value will ensure that the next power-up is available. This value needs to be stored from RAM in the car mileage storage area of the EEPROM.
  • the vehicle mileage calculation method used by the vehicle controller is as follows:
  • the vehicle controller When the car is powered on, the vehicle controller reads the total mileage traveled by the car from the car mileage storage area in the EEPROM to the RAM (random access memory) at the time of the last power-off, and takes the value as the power-on. Base value; After the vehicle starts, the wheel speed signal collected by the braking system ABS is sent to the vehicle controller HCU, and the wheel speed signal is integrated with time, that is, the sampling time is used as the integration time A t, the collected wheel The speed is taken, and then the integrated value is added to the base value to obtain the total mileage value of the current stage. The total mileage calculated in this stage is sent to the display control unit (DCU) through the CAN bus for display on the automobile meter; At the same time, the total mileage calculated at this stage should be used as the base value of the next stage of operation;
  • DCU display control unit
  • the mileage of a car is calculated by taking the wheel speed signal from the ABS (anti-skid brake system) after the car is in normal driving. Integral, the obtained integral value plus the last calculated mileage to get the mileage of the car at this moment, and the calculated mileage of the vehicle is sent to the remote monitoring system terminal through the communication network; when the car is powered off, the power is turned off.
  • the previous calculation will save the obtained mileage of the car line 3 to the vehicle mileage storage area of the EEPROM of the vehicle controller, so as to save the total mileage of the car at that time, it can be provided to the next car power-on start.
  • Power-off protection measures When the vehicle is powered on, first take the total mileage of the car from the last power-off time from the vehicle mileage storage area of the EEPROM of the vehicle controller, and use this value as the power-on calculation car. The base value of the mileage, this is the power-on reading process.

Abstract

A method for remotely monitoring mileage of hybrid vehicle, the method is achieved based on a remote monitoring system; the remote monitoring system comprises a wireless transceiver module, a network operator server, a monitoring system user terminal, a wireless communication network and an Internet communication network installed in the hybrid control unit of a vehicle; the method comprises: the wireless transceiver module sends real-time vehicle mileage data to the network operator server via a wireless network while the vehicle is traveling; the network operator server forwards the real-time vehicle mileage data to the monitoring system user terminal via the Internet communication network. The present invention is scientifically reasonable and not only accurately calculates the vehicle mileage but also achieves the real-time remote monitoring of the vehicle mileage at a remote monitoring system platform. During vehicle demonstration operation, the remote monitoring system can be used to collect and monitor vehicle mileage, thus obtaining real-time vehicle mileage data conveniently and quickly.

Description

一种混合动力汽车行驶里程远程监控方法  Remote monitoring method for driving mileage of hybrid vehicle
本申请要求于 2011 年 2 月 17 日提交中国专利局、 申请号为 201110039580.1、 发明名称为 "一种混合动力汽车行驶里程远程监控方法"的 中国专利申请的优先权， 其全部内容通过引用结合在本申请中。  This application claims priority to Chinese Patent Application No. 201110039580.1, entitled "A Remote Monitoring Method for Driving Range of Hybrid Electric Vehicles", filed on February 17, 2011, the entire contents of which are incorporated by reference. In this application.
技术领域 本发明属于混合动力汽车控制领域，特别涉及一种混合动力汽车行驶里程 远程监控方法。 TECHNICAL FIELD The present invention relates to the field of hybrid vehicle control, and in particular, to a remote monitoring method for driving mileage of a hybrid vehicle.
背景技术 Background technique
新能源汽车主要包括纯电动汽车和混合动力汽车，新能源汽车是对传统汽 车技术的变革， 目前大部分处于研发阶段， 即使投产的新能源汽车也会存在不 同的问题。混合动力汽车是一种同时搭载了内燃机和电动机两种动力装置及储 能装置电池的新能源汽车， 因而在混合动力汽车示范运行过程中， 实时远程监 控系统就具有很高的实用价值。 当新能源汽车行驶在外的时候，远程监控技术 工作人员可以通过远程监控系统实时采集汽车运行中的车辆位置、车辆行驶里 程等数据， 实现对汽车的运行里程实时监控， 掌握汽车的运行里程数资料。  New energy vehicles mainly include pure electric vehicles and hybrid vehicles. New energy vehicles are a revolution in traditional automobile technology. Most of them are currently in the research and development stage, and even new energy vehicles that are put into production will have different problems. Hybrid electric vehicle is a new energy vehicle equipped with both the internal combustion engine and the electric motor and the energy storage device battery. Therefore, the real-time remote monitoring system has high practical value during the demonstration operation of the hybrid vehicle. When the new energy vehicle is driving outside, the remote monitoring technology staff can collect the vehicle position and vehicle mileage in the vehicle in real time through the remote monitoring system, real-time monitoring of the running mileage of the vehicle, and mastering the running mileage data of the vehicle. .
现有的车辆远程监控系统有很多， 基本上都是针对传统汽车实行远程监 控， 且存在采集信号多、 数据量大， 采集过程中的通讯费用庞大， 且对汽车行 驶里程的计算精度差等问题。  There are many remote monitoring systems for vehicles, which are basically remote monitoring for traditional vehicles, and there are many acquisition signals, large data volume, large communication costs during the collection process, and poor calculation accuracy of the mileage of the vehicle. .
发明内容  Summary of the invention
本发明提供一种混合动力汽车行驶里程远程监控方法，拟在减少过多的数 据采集量， 优化车辆行驶里程计算方法， 以此提高汽车行驶里程的计算精度。  The invention provides a remote monitoring method for the mileage of a hybrid vehicle, which is intended to reduce the excessive data collection amount and optimize the calculation method of the vehicle mileage, thereby improving the calculation accuracy of the vehicle mileage.
本发明的技术方案如下：  The technical solution of the present invention is as follows:
一种混合动力汽车行驶里程远程监控方法，所述方法基于远程监控系统实 现， 所述远程监控系统包含安装在汽车的整车控制器中的无线收发模块、 网络 运营商服务器、 监控系统用户终端， 还借助于无线通讯网络以及 internet (互 联网）通讯网络； 其中车辆上的无线收发模块用于车辆在行驶过程中向监控系 统用户终端发送汽车行驶里程实时数据，而监控系统用户终端则收集车辆发送 来的汽车行驶里程实时数据，网络运营商服务器是发送汽车行驶里程实时数据 的中转站， 无线通讯网络以及 internet通讯网络是数据传送的传送介质； 所述方法是汽车在运行过程中由整车控制器计算此时刻的汽车行驶里程 值，将计算所得的汽车行 ^史里程实时数据通过无线收发模块并借助无线通讯网 络发送到网络运营商服务器， 经网络运营商服务器中转后再借助 internet通讯 网络传送到监控系统用户终端，处在用户终端的技术人员则通过采集来的数据 进行分析处理， 监控汽车目前的行驶总里程。 A remote monitoring method for driving mileage of a hybrid vehicle, the method being implemented based on a remote monitoring system, comprising: a wireless transceiver module, a network operator server, and a monitoring system user terminal installed in a vehicle controller of the automobile, The utility model also relates to a wireless communication network and an internet communication network; wherein the wireless transceiver module on the vehicle is used for transmitting the vehicle mileage real-time data to the monitoring system user terminal during the driving process, and the monitoring system user terminal collects the vehicle transmission. Real-time data on the mileage of the car, the network operator server is the real-time data of the mileage of the car The transfer station, the wireless communication network and the internet communication network are transmission media for data transmission; the method is that the vehicle mileage value is calculated by the vehicle controller during the running of the vehicle, and the calculated mileage of the vehicle is calculated. The real-time data is sent to the network operator server through the wireless transceiver module and via the wireless communication network, and is transmitted to the monitoring system user terminal through the internet communication network after being transferred by the network operator server, and the data collected by the technicians at the user terminal is collected. Analyze and monitor the current mileage of the car.
所述整车控制器的 EEPROM (电可擦除只读存储器） 中设有一个专用于 存储汽车行驶里程的存储区域，此区域用于在汽车下电时将计算的汽车行驶总 里程存储在此区域， 也用于在汽车上电后从此区域取出汽车行驶总里程。  The EEPROM (Electrically Erasable Read Only Memory) of the vehicle controller is provided with a storage area dedicated to storing the mileage of the vehicle, and the area is used to store the calculated total mileage of the vehicle when the vehicle is powered off. The area is also used to take the total mileage of the car from this area after the car is powered on.
本发明不仅准确的计算了汽车行驶里程，而且还实现了在远程监控系统平 台对汽车行驶里程的实时远程监控。在汽车示范运营中可以借助远程监控系统 采集和监控汽车行驶里程， 方便快捷的得到实时汽车行驶里程数据， 而且本发 明的汽车行驶里程计算方法准确性高、 误差小， 具有高可靠性。  The invention not only accurately calculates the mileage of the vehicle, but also realizes real-time remote monitoring of the mileage of the vehicle in the platform of the remote monitoring system. In the demonstration operation of the vehicle, the remote monitoring system can be used to collect and monitor the driving mileage of the vehicle, and the real-time driving mileage data can be obtained conveniently and quickly, and the calculation method of the driving mileage of the invention has high accuracy, small error and high reliability.
附图说明 DRAWINGS
图 1为本发明的一种中度混合动力汽车行驶里程远程监控原理图； 图 2为本发明的一种中度混合动力汽车行驶里程结构图；  1 is a schematic diagram of remote monitoring of the mileage of a moderately hybrid vehicle according to the present invention; FIG. 2 is a structural diagram of a mileage of a moderately hybrid vehicle according to the present invention;
图 3为本发明的一种中度混合动力汽车行驶里程计算方法原理图。  FIG. 3 is a schematic diagram of a method for calculating the mileage of a moderate hybrid vehicle according to the present invention.
具体实施方式 本发明的汽车行驶里程远程监控原理如图 1所示，远程监控系统包含了安 装在汽车上的无线收发模块， 网络运营商服务器， 监控系统用户终端， 还借助 了无线通讯网络以及 internet通讯网络。 其中车辆上的无线收发模块用于车辆 在行驶过程中向远程监控系统发送汽车行驶里程实时数据，而监控系统用户终 端则收集车辆发送来的汽车行驶里程实时数据，网络运营商服务器是发送汽车 行驶里程的中转站， 无线通讯网络以及 internet通讯网络是数据传送的传送介 质。当汽车在运行过程中时整车控制器将计算所得的此时刻的汽车行马史里程值 通过安装在其上的无线收发模块并借助无线网络发送到网络运营商服务器，经 网络运营商服务器中转后再借助 internet网络传送到监控系统的用户终端， 处 在用户终端的技术人员可以通过采集来的数据进行分析处理，监控汽车目前的 行驶总里程。 本发明汽车行马史里程的结构图如图 2 所示， 本发明涉及到整车控制单元 ( HCU )、 显示控制单元（DCU )、 刹车系统（ABS ); 其中 HCU主要负责计 算汽车行驶里程， DCU主要负责在仪表台显示经过 HCU计算出的汽车行驶里 程， ABS主要负责提供汽车轮速信号；结构图中各子系统通过 CAN总线相连。 DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The remote monitoring principle of the driving mileage of the present invention is shown in FIG. 1. The remote monitoring system includes a wireless transceiver module installed on the automobile, a network operator server, a monitoring system user terminal, and also a wireless communication network and an internet. Communication network. The wireless transceiver module on the vehicle is used for transmitting real-time data of the vehicle mileage to the remote monitoring system while the vehicle is running, and the user terminal of the monitoring system collects real-time data of the mileage of the vehicle sent by the vehicle, and the network operator server transmits the vehicle. The mileage transfer station, the wireless communication network and the internet communication network are transmission media for data transmission. When the car is in operation, the vehicle controller calculates the calculated mileage value of the car at this moment through the wireless transceiver module installed thereon and sends it to the network operator server via the wireless network, and transits through the network operator server. After that, it is transmitted to the user terminal of the monitoring system by means of the internet network. The technicians at the user terminal can analyze and process the collected data to monitor the current total mileage of the car. The structure diagram of the mileage of the automobile of the invention is shown in Fig. 2. The invention relates to a vehicle control unit (HCU), a display control unit (DCU) and a brake system (ABS); wherein the HCU is mainly responsible for calculating the mileage of the vehicle. The DCU is mainly responsible for displaying the mileage of the car calculated by the HCU on the instrument panel. The ABS is mainly responsible for providing the vehicle wheel speed signal; the subsystems in the structure diagram are connected by the CAN bus.
本发明的汽车行驶里程计算方法原理图如图 3 所示， 在 HCU 系统的 The schematic diagram of the vehicle mileage calculation method of the present invention is shown in Figure 3, in the HCU system.
EEPROM 中开辟一个专用于存储汽车行驶里程的存储区域， 此区域用于在汽 车下电时将计算的汽车行驶总里程存储在此区域，也用于在汽车上电后从此区 域取出汽车行驶总里程。 当汽车上电的时候从 EEPROM中的汽车里程存储区 读出上次下电时刻该汽车行驶的总里程到 RAM中， 将取出的值作为本次上电 的基值。 在汽车启动后把 ABS采集的轮速信号发送到 HCU, 并把该轮速信号 对时间采取积分运算， 即以采样时间作为积分时间 A t , 对所采集的轮速采取 积分， 然后将积分所得值与基值相加得到本阶段的行驶总里程值， 本阶段计算 的行驶总里程通过 CAN总线发送出去， 以供在汽车仪表上显示， 同时本阶段 计算的行驶总里程要作为下一阶段运算的基值。 当汽车下电停止时， 需要在下 电前将下电时刻汽车行驶的总里程保存在汽车行驶里程存储区域，下电时刻程 序在 RAM中运行， 而此刻汽车行驶总里程值还临时保存在 RAM中， 这是为 了保证此值能保证下次上电可用需要将此值从 RAM中存储到 EEPROM的汽 车里程存储区域中。 A storage area dedicated to storing the mileage of the car is opened in the EEPROM. This area is used to store the calculated total mileage of the car in this area when the car is powered off. It is also used to take the total mileage of the car from the area after the car is powered on. . When the car is powered on, the total mileage of the car from the last power-off time is read from the car mileage storage area in the EEPROM to the RAM, and the value taken out is used as the base value of the current power-on. After the car starts, the wheel speed signal collected by the ABS is sent to the HCU, and the wheel speed signal is integrated with the time, that is, the sampling time is taken as the integration time A t , the integral is taken for the collected wheel speed, and then the integral is obtained. The value is added to the base value to obtain the total mileage value of the current stage. The total mileage calculated in this stage is sent out through the CAN bus for display on the vehicle instrument, and the total mileage calculated at this stage is to be used as the next stage of operation. The base value. When the car is powered off, it is necessary to save the total mileage of the car in the car mileage storage area before the power is turned off. The program is running in the RAM when the power is off, and the total mileage value of the car is temporarily saved in the RAM. This is to ensure that this value will ensure that the next power-up is available. This value needs to be stored from RAM in the car mileage storage area of the EEPROM.
整车控制器采用的汽车行 3史里程计算方法如下：  The vehicle mileage calculation method used by the vehicle controller is as follows:
当汽车上电的时， 整车控制器从 EEPROM中的汽车里程存储区读出上次 下电时刻该汽车行驶的总里程到 RAM (随机存储器） 中， 将取出的值作为本 次上电的基值； 在汽车启动后把刹车系统 ABS采集的轮速信号发送到整车控 制器 HCU, 并把该轮速信号对时间采取积分运算即以采样时间作为积分时间 A t, 对所采集的轮速采取积分， 然后将积分所得值与基值相加得到本阶段的 行驶总里程值， 本阶段计算的行驶总里程通过 CAN总线发送到显示控制单元 ( DCU ) , 以供在汽车仪表上显示； 同时本阶段计算的行驶总里程要作为下一 阶段运算的基值；  When the car is powered on, the vehicle controller reads the total mileage traveled by the car from the car mileage storage area in the EEPROM to the RAM (random access memory) at the time of the last power-off, and takes the value as the power-on. Base value; After the vehicle starts, the wheel speed signal collected by the braking system ABS is sent to the vehicle controller HCU, and the wheel speed signal is integrated with time, that is, the sampling time is used as the integration time A t, the collected wheel The speed is taken, and then the integrated value is added to the base value to obtain the total mileage value of the current stage. The total mileage calculated in this stage is sent to the display control unit (DCU) through the CAN bus for display on the automobile meter; At the same time, the total mileage calculated at this stage should be used as the base value of the next stage of operation;
当汽车下电停止时，先在下电前将下电时刻汽车行驶的总里程保存在汽车 行驶里程存储区域， 下电时刻程序在 RAM中运行， 同时将汽车行驶总里程值 临时保存在 RAM中，以在下次上电时将此值从 RAM中存储到 EEPROM的汽 车里程存储区域中。 When the car is powered off, first save the total mileage of the car in the car mileage storage area before the power is turned off. The program will run in the RAM at the time of power-off, and the total mileage of the car will be driven. Temporarily stored in RAM to store this value from RAM in the car's mileage storage area on the next power-up.
概括地说，汽车行驶里程的计算方法为，在汽车正常行驶过程中， HCU (整 车控制单元)从 ABS (防滑刹车系统)取得车辆行驶轮速信号经过处理后， 把轮 速对时间采取离散积分，所得积分值加上上次计算的行驶里程从而得到此时刻 的汽车行驶里程，并将计算所得的汽车行驶里程值通过通讯网络发给远程监控 系统终端； 在汽车下电停车时，在下电前时刻将计算所得到的汽车行 3史里程保 存到整车控制器的 EEPROM的汽车行驶里程存储区域中， 以供保存该时刻汽 车行驶总里程可以提供给下次汽车上电起动使用，此为下电保护措施； 在汽车 上电起动时， 首先从整车控制器的 EEPROM的汽车行驶里程存储区域中取出 上次下电时刻的汽车行驶总里程，并把此值作为本次上电计算汽车行驶里程的 基值， 此为上电读取过程。  In a nutshell, the mileage of a car is calculated by taking the wheel speed signal from the ABS (anti-skid brake system) after the car is in normal driving. Integral, the obtained integral value plus the last calculated mileage to get the mileage of the car at this moment, and the calculated mileage of the vehicle is sent to the remote monitoring system terminal through the communication network; when the car is powered off, the power is turned off. The previous calculation will save the obtained mileage of the car line 3 to the vehicle mileage storage area of the EEPROM of the vehicle controller, so as to save the total mileage of the car at that time, it can be provided to the next car power-on start. Power-off protection measures; When the vehicle is powered on, first take the total mileage of the car from the last power-off time from the vehicle mileage storage area of the EEPROM of the vehicle controller, and use this value as the power-on calculation car. The base value of the mileage, this is the power-on reading process.

Claims

权 利 要 求 Rights request
1、 一种混合动力汽车行驶里程远程监控方法， 其特征在于， 所述方法基 于远程监控系统实现，所述远程监控系统包含安装在汽车的整车控制器中的无 线收发模块、 网络运营商服务器、监控系统用户终端， 和无线通讯网络以及互 联网 internet通讯网络， 所述方法包括：  A remote monitoring method for driving mileage of a hybrid vehicle, characterized in that the method is implemented based on a remote monitoring system, the remote monitoring system comprising a wireless transceiver module installed in a vehicle controller of a vehicle, and a network operator server The monitoring system user terminal, and the wireless communication network and the internet internet communication network, the method includes:
车辆在行驶过程中所述无线收发模块通过无线网络向网络运营商服务器 发送汽车行驶里程实时数据；  The wireless transceiver module transmits real-time data of the mileage of the vehicle to the network operator server through the wireless network during the running of the vehicle;
网络运营商服务器通过 internet通讯网络向所述监控系统用户终端转发所 述汽车行驶里程实时数据。  The network operator server forwards the real-time data of the mileage of the automobile to the user terminal of the monitoring system through the internet communication network.
2、 根据权利要求 1所述的混合动力汽车行驶里程远程监控方法， 其特征 在于，所述车辆在行驶过程中所述无线收发模块通过无线网络向网络运营商服 务器发送汽车行驶里程实时数据包括：  2. The remote monitoring method for the mileage of a hybrid vehicle according to claim 1, wherein the wireless transceiver module transmits the real-time data of the mileage of the vehicle to the network operator server through the wireless network during the running of the vehicle, including:
车辆在运行过程中由整车控制器 HCU计算此时刻的汽车行驶里程实时数 据；  During the running of the vehicle, the vehicle controller HCU calculates the real-time data of the mileage of the vehicle at this moment;
将计算所得的汽车行驶里程实时数据通过由无线收发模块通过无线通讯 网络发送到网络运营商服务器。  The calculated real-time data of the mileage of the automobile is transmitted to the network operator server through the wireless communication network by the wireless transceiver module.
3、 根据权利要求 2所述的混合动力汽车行驶里程远程监控方法， 其特征 在于， 还包括： 所述 HCU的电可擦除只读存储器 EEPROM中设有一个专用 于存储汽车行驶里程的存储区域，此区域用于在汽车下电时将计算的汽车行驶 总里程存储在此区域， 也用于在汽车上电后从此区域取出汽车行驶总里程。  3. The remote monitoring method for driving range of a hybrid vehicle according to claim 2, further comprising: a storage area dedicated to storing mileage of the vehicle in the EEPROM of the HCU; This area is used to store the calculated total mileage of the car in this area when the car is powered off. It is also used to take the total mileage of the car from this area after the car is powered on.
4、 根据权利要求 3所述的混合动力汽车行驶里程远程监控方法， 其特征 在于， 所述整车控制器计算此时刻的汽车行 3史里程实时数据包括：  The remote monitoring method for the mileage of a hybrid vehicle according to claim 3, wherein the vehicle controller calculates the real-time data of the mileage of the automobile line at the moment:
当汽车上电的时， 所述 HCU从 EEPROM中的汽车里程存储区读出上次 下电时刻该汽车行驶的总里程到随机存储器 RAM中， 将取出的值作为本次上 电的基值；  When the car is powered on, the HCU reads the total mileage traveled by the car from the car mileage storage area in the EEPROM to the random access memory RAM at the time of the last power-off, and takes the value taken as the base value of the current power-on;
在汽车启动后， 把刹车系统 ABS采集的轮速信号发送到 HCU, 并把该轮 速信号对时间采取积分运算，将积分运算所得值与基值相加得到本阶段的行驶 总里程值， 将本阶段的行驶总里程通过 CAN总线发送到显示控制单元 DCU, 以供在汽车仪表上显示，以及将本阶段的行驶总里程要作为下一阶段运算的基 值； After the car is started, the wheel speed signal collected by the brake system ABS is sent to the HCU, and the wheel speed signal is integrated with the time, and the value obtained by the integral operation is added to the base value to obtain the total mileage value of the current stage. The total mileage of this stage is sent to the display control unit DCU via the CAN bus for display on the vehicle instrument, and the total mileage of this phase is used as the basis for the next stage of operation. Value
当汽车下电停止时，将将下电时刻汽车行驶的总里程保存在汽车行驶里程 存储区域， 下电时刻程序在 RAM中运行， 同时将汽车行驶总里程值临时保存 在 RAM中，以在下次上电时将此值从 RAM中存储到 EEPROM的汽车里程存 储区域中。  When the car is powered off, the total mileage of the car will be saved in the car mileage storage area at the time of power-off. The program is run in RAM at the time of power-off, and the total mileage value of the car is temporarily saved in RAM for the next time. This value is stored from the RAM in the car mileage storage area of the EEPROM at power-on.
PCT/CN2011/079085 2011-02-17 2011-08-30 Method for remotely monitoring mileage of hybrid vehicle WO2012109891A1 (en)

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