WO2012103680A1 - 带车载诊断系统的汽车行驶记录仪 - Google Patents

带车载诊断系统的汽车行驶记录仪 Download PDF

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Publication number
WO2012103680A1
WO2012103680A1 PCT/CN2011/070848 CN2011070848W WO2012103680A1 WO 2012103680 A1 WO2012103680 A1 WO 2012103680A1 CN 2011070848 W CN2011070848 W CN 2011070848W WO 2012103680 A1 WO2012103680 A1 WO 2012103680A1
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module
vehicle
recorder
ecu
diagnostic system
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PCT/CN2011/070848
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English (en)
French (fr)
Inventor
盛瑾
吕学本
杨显平
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Sheng Jin
Lv Xueben
Yang Xianping
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Application filed by Sheng Jin, Lv Xueben, Yang Xianping filed Critical Sheng Jin
Priority to PCT/CN2011/070848 priority Critical patent/WO2012103680A1/zh
Publication of WO2012103680A1 publication Critical patent/WO2012103680A1/zh

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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
    • G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
    • G07C5/0841—Registering performance data
    • G07C5/085—Registering performance data using electronic data carriers
    • G07C5/0866—Registering performance data using electronic data carriers the electronic data carrier being a digital video recorder in combination with video camera

Definitions

  • the present invention relates to a vehicle travel recorder, and more particularly to an onboard diagnostic system (OBD: On-Board) Diagnostics) car tachograph.
  • OBD On-Board Diagnostics
  • the car tachograph is called the "black box" of the car and can record the speed, time, mileage, etc. of the car.
  • the OBD diagnostic box can be read from the automotive electronic control unit (ECU: Electronic Control Unit) information such as body, engine, transmission and anti-lock braking system (ABS: Anti-lock Baking System) information. Based on the diagnosis and detection of ECU information, it is possible to detect faults existing in the system and store fault information.
  • ECU Automotive electronic control unit
  • ABS Anti-lock Baking System
  • the technical problem to be solved by the present invention is that the above-described automobile drive recorder of the prior art does not have the defect of the OBD diagnostic function, and provides a vehicle travel recorder with an onboard diagnostic system.
  • the technical solution adopted by the present invention to solve the technical problem thereof is: constructing a vehicle driving recorder with an on-board diagnostic system, including a driving recorder, characterized in that it further comprises an OBD diagnostic box, and the OBD diagnostic box passes the communication interface module
  • the travel recorder is connected to output the collected ECU data to the drive recorder.
  • the OBD diagnostic box further includes a video generating module for converting the collected ECU data into a video signal.
  • the communication interface module is a wired communication interface module.
  • the communication interface module is a wireless communication interface module.
  • the wireless communication interface module is a wireless radio frequency module or a bluetooth module or a WiFi module.
  • the OBD diagnostic box includes a central processing unit, a power supply module, a clock module, an ECU interface circuit, and a USB interface.
  • the drive recorder includes an audio and/or video module for displaying the ECU data.
  • the drive recorder includes an external storage interface module and/or an internal storage module for storing the ECU data.
  • the driving recorder comprises a central processing unit, a power module, a clock module, a USB interface module, a sensor module, and a user button module.
  • the drive recorder comprises a GSM module and/or a GPS module.
  • An automobile travel recorder with an onboard diagnostic system embodying the present invention has the following beneficial effects: the automobile travel recorder of the present invention can simultaneously record and save vehicle travel data, a picture taken by a camera, and data collected from an OBD diagnostic box. Therefore, the situation and state of the vehicle during driving are more completely reproduced, and sufficient and complete data are provided for analyzing, summarizing, and controlling accidents or accidents of the vehicle, and laws and regulations for effectively preventing the occurrence of vehicle accidents or accidents are prepared for the competent department or the competent authority. It provides a feasible basis, provides effective data for the design, production and improvement of vehicles, and provides strong evidence for the judgment and punishment of accidents or accidents. At the same time, during the driving process, the vehicle fault information and dynamic data information collected by the OBD diagnostic box can be displayed on the screen of the driving recorder in real time, or the driver can be warned in time by voice, which can effectively prevent the accident.
  • FIG. 1 is a block diagram of a vehicle travel recorder with an onboard diagnostic system of the present invention
  • FIG. 2 is a block diagram of an OBD diagnostic box in accordance with an embodiment of the present invention.
  • FIG. 3 is a block diagram of a drive recorder in accordance with an embodiment of the present invention.
  • the tachograph also has an OBD diagnostic function.
  • the vehicle drive recorder with the onboard diagnostic system includes a drive recorder and an OBD diagnostic box, and the communication interface module respectively connects the central processor 1 and the central processing unit 2 so that the two can mutually Communication to exchange data and information.
  • the OBD diagnostic box further includes an ECU interface circuit through which the OBD diagnostic box can read information from the automobile ECU including the body ECU, the engine ECU, the transmission ECU, and the ECU of the ABS. After detecting and diagnosing the data code collected by the ECU, the OBD diagnostic box converts it into a video signal and transmits it to the driving recorder through the communication interface module.
  • the driving recorder can not only record and save the fault information and dynamics related to the ECU data. The data can also be displayed on the screen or reported to the driver via voice.
  • the OBD diagnostic box includes a central processing unit 2 and a power supply module, a clock module, a USB interface module, a communication interface module, and an ECU interface circuit connected to the central processing unit 2.
  • ECU interface circuit is used to establish A physical interface link between the OBD diagnostic box and the automotive ECU diagnostic interface.
  • the ECU interface circuit allows the central processing unit 2 to read ECU data including the body ECU, the engine ECU, the transmission ECU, and the ECU of the ABS.
  • the central processing unit 2 is preferably the STM32F103X series.
  • the central processing unit 2 detects and diagnoses a code associated with the failure information transmitted by the automobile ECU and transmits it to the video generation module to be converted into a video signal therein.
  • the video signal can be transmitted to the drive recorder via the communication interface module.
  • the communication interface module is used to communicate with the drive recorder for data exchange.
  • the wired communication interface module can be selected during operation, or the wireless communication interface module can be selected.
  • any one of Bluetooth transmission, wireless radio transmission, and WiFi transmission can be selected.
  • the USB interface module is USB to RS-232C for downloading and updating the OBD diagnostic box program.
  • the drive recorder includes a central processing unit 1 and a communication interface module, a power supply module, a clock module, an audio/video interface module, a USB interface module, a sensor module, a GPS module, and a GSM connected to the central processing unit 1.
  • a central processing unit 1 can receive and process data and information.
  • the central processing unit 1 can receive driving data of the automobile ECU via the communication interface module, including vehicle speed, rotational speed, water temperature, throttle opening, etc., and can also receive audio/audio/
  • the image, sound and direction positions of the interior and exterior of the car input by the video module can also receive information such as car vibration input by the sensor module, and can also receive user commands input by the user button module.
  • the communication interface module of the drive recorder is in one-to-one correspondence with the communication interface module of the OBD diagnostic box, and is consistent to realize data and information exchange.
  • the sensor module includes a sensing device such as a three-dimensional sensitivity sensor, a vibration sensor, and the user button module includes a recording button and a power button.
  • the central processing unit 1 can record and save related data, for example, can store video and audio data, data from the automobile ECU, and data from the sensor to the external storage interface module and/or internal.
  • the storage module wherein the external storage interface module uses a read/write flash FLASH, such as an SD card, a TF card, or the like. It can be connected to a computer via a USB interface module to extract stored data and information.
  • the above information can also be output to the audio/video module, and the driver can report directly to the driver through the screen display or voice, so that the driver can obtain the vehicle condition information in time, and avoid accidents as much as possible.
  • data can be transmitted to the control center through the GSM module and/or the GPS module. Through communication and interaction with the control center, real-time monitoring and scheduling of the control center can be accepted, and alarms can be issued to it in time.
  • the vehicle traveling recorder with the vehicle-mounted diagnostic system of the present invention can obtain the key data related to the ECU collected by the OBD diagnostic box on the basis of obtaining the driving data of the vehicle and the picture taken by the camera, thereby completing more completely.
  • the situation and state of the vehicle during travel are reproduced.
  • the recorded data and information be recorded and saved, but also the driver can be intuitively alerted by video and/or audio to effectively avoid accidents.

Description

带车载诊断系统的汽车行驶记录仪 技术领域
本发明涉及汽车行驶记录仪，更具体地说，涉及一种带车载诊断系统（OBD：On-Board Diagnostics）的汽车行驶记录仪。
背景技术
汽车行驶记录仪称为汽车的“黑匣子”，可以记录车辆行驶的速度、时间、里程等。随着汽车的日益进步和规范，大部分汽车已经能支持通过软件监控汽车控制系统的OBD诊断。OBD诊断盒能够读取来自汽车电子控制单元（ECU: Electronic Control Unit）的信息，例如有关车身、发动机、变速器以及防抱死制动系统（ABS：Anti-lock Baking System）的信息。基于对ECU信息的诊断和检测，能够及时发现系统中存在的故障，并存储故障信息。然而，现有的汽车行驶记录仪一般不具备OBD诊断功能，不能直接获取来自汽车ECU的故障信息和动态数据。
发明内容
本发明要解决的技术问题在于，针对现有技术的上述汽车行驶记录仪不具备OBD诊断功能的缺陷，提供一种带车载诊断系统的汽车行驶记录仪。
本发明解决其技术问题所采用的技术方案是：构造一种带车载诊断系统的汽车行驶记录仪，包括行驶记录器，其特征在于，还包括OBD诊断盒，所述OBD诊断盒通过通讯接口模块连接所述行驶记录器，以将采集的ECU数据输出至所述行驶记录器。
优选地，所述OBD诊断盒还包括视频生成模块，用于将采集的所述ECU数据转换成视频信号。
优选地，所述通讯接口模块为有线通讯接口模块。
优选地，所述通讯接口模块为无线通讯接口模块。
优选地，所述无线通讯接口模块为无线射频模块或蓝牙模块或WiFi模块。
优选地，所述OBD诊断盒包括中央处理器、电源模块、时钟模块、ECU接口电路和USB接口。
优选地，所述行驶记录器包括用于显示所述ECU数据的音频和/或视频模块。
优选地，所述行驶记录器包括用于存储所述ECU数据的外部存储接口模块和/或内部存储模块。
优选地，所述行驶记录器包括中央处理器、电源模块、时钟模块、USB接口模块、传感器模块、用户按键模块。
优选地，所述行驶记录器包括GSM模块和/或GPS模块。
实施本发明的一种带车载诊断系统的汽车行驶记录仪，具有以下有益效果：本发明的汽车行驶记录仪能同时记录和保存车辆行驶数据、摄像头拍摄的画面以及来自OBD诊断盒采集的数据，从而更加完整地再现车辆行驶时的情况及状态，为分析、总结、控制车辆发生意外或事故提供了充分和完整的数据，为主管部门或主管单位制定有效避免发生车辆意外或事故行为的法律法规提供了可行的依据，为车辆的设计、生产、改进提供了有效的数据，为意外或事故的判定、处罚提供了有力的证据。同时，行驶过程中，经OBD诊断盒采集的车辆故障信息和动态数据信息可以实时显示在行驶记录器的屏幕上，或通过语音及时向驾驶员发出警告，能有效预防事故的发生。
附图说明
下面将结合附图及实施例对本发明作进一步说明，附图中：
图1是本发明带车载诊断系统的汽车行驶记录仪的框图；
图2是依据本发明实施例的OBD诊断盒的框图；
图3是依据本发明实施例的行驶记录器的框图。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
本发明的关键发明点在于，行驶记录仪还具备OBD诊断功能。如图1所示，带车载诊断系统的汽车行驶记录仪同时包括行驶记录器和OBD诊断盒，通讯接口模块分别连接两者的中央处理器1和中央处理器2，使得两者之间可以相互通讯，以交换数据和信息。其中，OBD诊断盒还包括ECU接口电路，通过该ECU接口电路，OBD诊断盒可以读取来自汽车ECU的信息，上述汽车ECU包括车身ECU、发动机ECU、变速器ECU以及ABS的ECU等。OBD诊断盒对ECU采集的数据代码进行检测和诊断后，将其转换成视频信号，并通过通讯接口模块传输至行驶记录器，行驶记录器不仅能记录和保存该ECU数据相关的故障信息和动态数据，还能将其显示在屏幕上，或通过语音报告给驾驶员。
图2是依据本发明实施例的OBD诊断盒的框图。如图2所示，OBD诊断盒包括中央处理器2以及与中央处理器2相连接的电源模块、时钟模块、USB接口模块、通讯接口模块和ECU接口电路。ECU接口电路用于建立 OBD诊断盒与汽车ECU诊断接口之间相适应的物理接口链路。可以支持多种协议规范或电器特性，包括ISO 9141-2、ISO 14230-4（KWP2000）、SAE J1850 41.6 kbps PWM（脉冲宽度调制）、SAE J1850 10.4 kbps VPW（可变脉冲宽度）、ISO 15765-4（CAN）、L-Line和多通道K-Line、SAE J1708/1587、SAE J1939、ISO 14229、K-Line和L-Line。通过ECU接口电路，中央处理器2可读取包括车身ECU、发动机ECU、变速器ECU以及ABS的ECU等在内的ECU数据。中央处理器2优选STM32F103X系列。中央处理器2检测和诊断汽车ECU发送的故障信息相关的代码，并将其发送至视频生成模块，以在其中转换成视频信号。该视频信号可经通讯接口模块传输至行驶记录器。通信接口模块用于与行驶记录器通讯，以进行数据交换。操作中可以选择有线通信接口模块，或选择无线通信接口模块。对于无线通信接口模块，可以选择蓝牙传输、无线射频传输和WiFi传输中的任一种。USB接口模块为USB转RS-232C，用于下载和更新OBD诊断盒程序。
图3是依据本发明实施例的行驶记录器的框图。如图3所示，行驶记录器包括中央处理器1以及与中央处理器1相连接的通讯接口模块、电源模块、时钟模块、音频/视频接口模块、USB接口模块、传感器模块、GPS模块、GSM模块、外部存储接口模块、内部存储模块和用户按键模块。中央处理器1可以接收和处理数据和信息，例如，中央处理器1可经通讯接口模块接收汽车ECU的行驶数据，包括车速、转速、水温、节气门开度等，同时还可接收来自音频/视频模块输入的汽车内部和外部的影像、声音和方向位置，还可接收传感器模块输入的诸如汽车震动相关的信息，还可接收用户按键模块输入的用户指令等。其中行驶记录器的通讯接口模块与OBD诊断盒的通讯接口模块一一对应，保持一致，以实现数据和信息的交换。传感器模块包括三维灵敏度传感器、震动传感器等传感装置，用户按键模块包括记录键和电源键。中央处理器1对接收的数据和信息进行处理后，一方面可以记录和保存相关数据，例如，可存储视频音频资料、来自汽车ECU的资料以及来自传感器的资料等到外部存储接口模块和/或内部存储模块，其中外部存储接口模块采用读写闪存FLASH，如SD卡、TF卡等。并可通过USB接口模块与电脑连接，以提取所存储的数据和信息。另一方面还可将上述信息输出至音频/视频模块，通过屏幕显示或语音直接向驾驶员实时报告，使驾驶员及时获得车况信息，尽可能避免事故的发生。另一方面，还可通过GSM模块和/或GPS模块传输数据给控制中心，通过与控制中心的通讯和交互，可以接受控制中心的实时监控和调度，以及及时向其报警。
综上所述，采用本发明的带车载诊断系统的汽车行驶记录仪，在获得车辆行驶数据和摄像头拍摄的画面的基础上，还能够获得OBD诊断盒采集的ECU相关的关键数据，从而更加完整地再现了车辆行驶时的情况及状态。同时，不仅能记录和保存所获取的数据和信息，还可通过视频和/或音频直观地向驾驶员报警，有效避免事故的发生。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。

Claims (10)

1、一种带车载诊断系统的汽车行驶记录仪，包括行驶记录器，其特征在于，还包括OBD诊断盒，所述OBD诊断盒通过通讯接口模块连接所述行驶记录器，以将采集的ECU数据输出至所述行驶记录器。
2、根据权利要求1所述的带车载诊断系统的汽车行驶记录仪，其特征在于，所述OBD诊断盒还包括视频生成模块，用于将采集的所述ECU数据转换成视频信号。
3、根据权利要求1所述的带车载诊断系统的汽车行驶记录仪，其特征在于，所述通讯接口模块为有线通讯接口模块。
4、根据权利要求1所述的带车载诊断系统的汽车行驶记录仪，其特征在于，所述通讯接口模块为无线通讯接口模块。
5、根据权利要求4所述的带车载诊断系统的汽车行驶记录仪，其特征在于，所述无线通讯接口模块为无线射频模块或蓝牙模块或WiFi模块。
6、根据权利要求1-5任一项所述的带车载诊断系统的汽车行驶记录仪，其特征在于，所述OBD诊断盒包括中央处理器、电源模块、时钟模块、ECU接口电路和USB接口模块。
7、根据权利要求6所述的带车载诊断系统的汽车行驶记录仪，其特征在于，所述行驶记录器包括用于显示所述ECU数据的音频和/或视频模块。
8、根据权利要求7所述的带车载诊断系统的汽车行驶记录仪，其特征在于，所述行驶记录器包括用于存储所述ECU数据的外部存储接口模块和/或内部存储模块。
9、根据权利要求8所述的带车载诊断系统的汽车行驶记录仪，其特征在于，所述行驶记录器包括中央处理器、电源模块、时钟模块、USB接口模块、传感器模块和用户按键模块。
10、根据权利要求9所述的带车载诊断系统的汽车行驶记录仪，其特征在于，所述行驶记录器包括GSM模块和/或GPS模块。
PCT/CN2011/070848 2011-01-31 2011-01-31 带车载诊断系统的汽车行驶记录仪 WO2012103680A1 (zh)

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CN105425765A (zh) * 2015-10-29 2016-03-23 深圳市轱辘软件开发有限公司 一种定位器控制方法及用户终端
CN105437976A (zh) * 2015-12-19 2016-03-30 江苏常隆客车有限公司 一种电动车用多功能仪表系统
EP3011541A1 (de) * 2013-06-19 2016-04-27 Robert Bosch GmbH Modul und system zur fahrzeugdiagnose
CN106773968A (zh) * 2016-12-22 2017-05-31 北京航天益森风洞工程技术有限公司 基于v2x无线通信的车载智能终端装置
CN109017742A (zh) * 2018-09-04 2018-12-18 任涛 一种摩托车电动车abs防抱死远程诊断监控系统
CN109901558A (zh) * 2019-03-29 2019-06-18 南京汽车集团有限公司 一种商用车智能工程诊断仪及其使用方法
CN111086469A (zh) * 2018-08-10 2020-05-01 深圳市嘉瀚科技有限公司 一种车载诊断系统
CN111901548A (zh) * 2020-04-25 2020-11-06 南京庞托斯智能科技有限公司 一种防抖警用记录仪
CN113297284A (zh) * 2021-04-26 2021-08-24 广州电享加科技有限公司 电动汽车动力电池虚电状态识别设备及方法
CN114419757A (zh) * 2021-11-26 2022-04-29 安徽绿舟科技有限公司 一种车机数据无线采集的方法与装置

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EP3011541A1 (de) * 2013-06-19 2016-04-27 Robert Bosch GmbH Modul und system zur fahrzeugdiagnose
CN104678990A (zh) * 2014-12-25 2015-06-03 上海通用汽车有限公司 一种用于车辆自诊断的方法、装置和车辆自诊断系统
CN105425765A (zh) * 2015-10-29 2016-03-23 深圳市轱辘软件开发有限公司 一种定位器控制方法及用户终端
CN105437976A (zh) * 2015-12-19 2016-03-30 江苏常隆客车有限公司 一种电动车用多功能仪表系统
CN106773968A (zh) * 2016-12-22 2017-05-31 北京航天益森风洞工程技术有限公司 基于v2x无线通信的车载智能终端装置
CN111086469A (zh) * 2018-08-10 2020-05-01 深圳市嘉瀚科技有限公司 一种车载诊断系统
CN109017742A (zh) * 2018-09-04 2018-12-18 任涛 一种摩托车电动车abs防抱死远程诊断监控系统
CN109901558A (zh) * 2019-03-29 2019-06-18 南京汽车集团有限公司 一种商用车智能工程诊断仪及其使用方法
CN111901548A (zh) * 2020-04-25 2020-11-06 南京庞托斯智能科技有限公司 一种防抖警用记录仪
CN113297284A (zh) * 2021-04-26 2021-08-24 广州电享加科技有限公司 电动汽车动力电池虚电状态识别设备及方法
CN114419757A (zh) * 2021-11-26 2022-04-29 安徽绿舟科技有限公司 一种车机数据无线采集的方法与装置

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