CN115220945A - Raspberry pie-based vehicle detection device and method, vehicle and storage medium - Google Patents
Raspberry pie-based vehicle detection device and method, vehicle and storage mediumDownload PDFInfo
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Abstract
Description
Translated fromChinese技术领域technical field
本申请涉及车辆检测技术领域，尤其涉及一种基于树莓派的车辆检测设备、方法、车辆及存储介质。The present application relates to the technical field of vehicle detection, and in particular, to a Raspberry Pi-based vehicle detection device, method, vehicle, and storage medium.
背景技术Background technique
车辆下线电检测试专门针对车辆进行故障诊断、功能配置、控制器测试、传感器标定、执行器测试等车辆总装下线电器测试，是汽车生产过程中的重要一环。The vehicle off-line electrical testing test is specially designed for vehicle fault diagnosis, function configuration, controller testing, sensor calibration, actuator testing and other vehicle assembly off-line electrical testing, which is an important part of the automobile production process.
现有技术中，通常通过专有的检测设备来对车辆进行下线电检，但目前的需要在每个检测工位上配备一个检测设备，且在车辆到达检测工位时还需要人工选择与该工位对应的检测程序，存在检测智能化不高的问题。In the prior art, the off-line electrical inspection of the vehicle is usually carried out through a proprietary testing device, but at present, each testing station needs to be equipped with a testing device, and when the vehicle arrives at the testing station, manual selection and The detection program corresponding to this station has the problem that the detection intelligence is not high.
发明内容SUMMARY OF THE INVENTION
本申请提供一种基于树莓派的车辆检测设备、方法、车辆及存储介质，能够解决车辆检测智能化不高的问题。The present application provides a vehicle detection device, method, vehicle and storage medium based on Raspberry Pi, which can solve the problem of low intelligence in vehicle detection.
为达到上述目的，本申请采用如下技术方案：To achieve the above object, the application adopts the following technical solutions:
本申请实施例第一方面，提供一种基于树莓派的车辆检测设备，该设备包括：In a first aspect of the embodiments of the present application, a Raspberry Pi-based vehicle detection device is provided, and the device includes:
监测模块，用于监测车辆检测设备的设备位置，并向确定模块发送设备位置；The monitoring module is used to monitor the device location of the vehicle detection device and send the device location to the determination module;
确定模块，用于根据设备位置从多个检测工位中确定出当前的目标检测工位，并根据目标检测工位确定对应的目标检测程序的标识，以及向测试模块发送目标检测程序的标识，各检测工位用于检测车辆对应的功能，各检测工位包括对应的坐标范围；A determination module is used to determine the current target detection station from a plurality of detection stations according to the position of the equipment, and to determine the identification of the corresponding target detection program according to the target detection station, and to send the identification of the target detection program to the test module, Each detection station is used to detect the corresponding function of the vehicle, and each detection station includes the corresponding coordinate range;
测试模块，用于根据目标检测程序的标识调用目标检测程序对车辆进行检测，生成检测数据；The test module is used to call the target detection program to detect the vehicle according to the identification of the target detection program, and generate detection data;
远程通信模块，用于将检测数据发送至远程设备。A remote communication module for sending detection data to a remote device.
在一个实施例中，设备还包括配置模块，配置模块用于：In one embodiment, the device further includes a configuration module for:
根据检测工位的检测顺序和检测工位对应的检测装置的位置信息为各检测工位配置对应的坐标范围。A corresponding coordinate range is configured for each detection station according to the detection sequence of the detection stations and the position information of the detection device corresponding to the detection stations.
在一个实施例中，确定模块具体用于：In one embodiment, the determining module is specifically used for:
若监测到的车辆检测设备当前的设备位置位于检测工位的坐标范围，则将检测工位确定为目标检测工位。If the current equipment position of the monitored vehicle detection equipment is located in the coordinate range of the detection station, the detection station is determined as the target detection station.
在一个是实施例中，设备包括第一预设接口，第一预设接口与车辆的车载自诊断系统的接口连接，设备还包括充电模块，充电模块包括降压电路，充电模块用于：In one embodiment, the device includes a first preset interface, the first preset interface is connected to an interface of an onboard self-diagnosis system of the vehicle, the device further includes a charging module, the charging module includes a step-down circuit, and the charging module is used for:
接收车辆利用车载自诊断系统的接口传输的电能，利用降压电路对电能进行降压处理，得到目标电能，利用目标电能为车辆检测设备供电。Receive the electric energy transmitted by the vehicle using the interface of the on-board self-diagnosis system, use the step-down circuit to lower the electric energy, obtain the target electric energy, and use the target electric energy to supply power to the vehicle detection equipment.
在一个实施例中，测试模块还用于：In one embodiment, the test module is also used to:
接收远程设备发送的远程检测程序，并根据远程检测程序和目标检测程序的优先级确定出当前检测程序，并利用当前检测程序对车辆进行检测。Receive the remote detection program sent by the remote device, determine the current detection program according to the priority of the remote detection program and the target detection program, and use the current detection program to detect the vehicle.
在一个实施例中，设备中还包括多个诊断程序，诊断程序与测试程序对应，测试模块还用于：In one embodiment, the device further includes a plurality of diagnostic programs, the diagnostic programs correspond to the test programs, and the test module is further used for:
若利用目标检测程序对车辆进行检测过程中出现报错提示时，则调用与目标检测程序对应的诊断程序对车辆进行故障诊断。If an error message occurs in the process of detecting the vehicle by using the target detection program, the diagnosis program corresponding to the target detection program is called to diagnose the fault of the vehicle.
在一个实施例中，远程通信模块还用于：In one embodiment, the remote communication module is also used to:
接收远程设备发送的车辆的更新数据，更新数据包括更新后的检测程序和更新好后的车辆配置数据，和/或，接收远程设备发送的操作指令，操作指令用于指示调用目标诊断程序对车辆进行诊断。Receive the updated data of the vehicle sent by the remote device, the updated data includes the updated detection program and the updated vehicle configuration data, and/or, receive the operation instruction sent by the remote device, the operation instruction is used to instruct calling the target diagnostic program to the vehicle. Diagnose.
本申请实施例第二方面，提供一种基于树莓派的车辆检测方法，该方法包括：In a second aspect of the embodiments of the present application, a Raspberry Pi-based vehicle detection method is provided, the method comprising:
监测车辆检测设备的设备位置，并向确定模块发送设备位置；Monitor the device location of the vehicle detection device, and send the device location to the determination module;
根据设备位置从多个检测工位中确定出当前的目标检测工位，并根据目标检测工位确定对应的目标检测程序的标识，以及向测试模块发送目标检测程序的标识，各检测工位用于检测车辆对应的功能，各检测工位包括对应的坐标范围；Determine the current target detection station from a plurality of detection stations according to the position of the equipment, and determine the corresponding target detection program identification according to the target detection station, and send the target detection program identification to the test module. In order to detect the corresponding function of the vehicle, each detection station includes the corresponding coordinate range;
根据目标检测程序的标识调用目标检测程序对车辆进行检测，生成检测数据；According to the identification of the target detection program, the target detection program is called to detect the vehicle, and the detection data is generated;
将检测数据发送至远程设备。Send detection data to a remote device.
本申请实施例第三方面，提供一种车辆，该车辆包括本申请实施例第一方面中的基于树莓派的车辆检测设备。In a third aspect of the embodiments of the present application, a vehicle is provided, and the vehicle includes the Raspberry Pi-based vehicle detection device in the first aspect of the embodiments of the present application.
本申请实施例第四方面，提供一种计算机可读存储介质，该计算机可读存储介质上存储有计算机程序，该计算机程序被处理器执行时实现本申请实施例第二方面中的基于树莓派的车辆检测方法。In a fourth aspect of the embodiments of the present application, a computer-readable storage medium is provided, and a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the Raspberry Pai's vehicle detection method.
本申请实施例提供的技术方案带来的有益效果至少包括：The beneficial effects brought by the technical solutions provided in the embodiments of the present application include at least:
本申请实施例提供的基于树莓派的车辆检测设备，该设备包括：监测模块，用于监测车辆检测设备的设备位置，并向确定模块发送设备位置；确定模块，用于根据设备位置从多个检测工位中确定出当前的目标检测工位，并根据目标检测工位确定对应的目标检测程序的标识，以及向测试模块发送目标检测程序的标识，各检测工位用于检测车辆对应的功能，各检测工位包括对应的坐标范围；测试模块，用于根据目标检测程序的标识调用目标检测程序对车辆进行检测，生成检测数据；远程通信模块，用于将检测数据发送至远程设备。本申请实施例提供的基于树莓派的车辆检测设备可以根据监测到的车辆检测设备的设备位置来确定当前的目标检测工位，并根据设备位置自动调用与目标检测工位对应的检测程序来自动对车辆进行检测，无需手动选择对应的检测程序，这样可以提高车辆检测的智能性。The Raspberry Pi-based vehicle detection device provided by the embodiment of the present application includes: a monitoring module for monitoring the device location of the vehicle detection device, and sending the device location to the determination module; The current target detection station is determined from each detection station, and the corresponding target detection program identification is determined according to the target detection station, and the target detection program identification is sent to the test module. Each detection station is used to detect the corresponding vehicle. Each detection station includes the corresponding coordinate range; the test module is used to call the target detection program according to the identification of the target detection program to detect the vehicle and generate detection data; the remote communication module is used to send the detection data to the remote device. The Raspberry Pi-based vehicle detection device provided by the embodiment of the present application can determine the current target detection station according to the detected device position of the vehicle detection device, and automatically call the detection program corresponding to the target detection station according to the device position to The vehicle is automatically detected without the need to manually select the corresponding detection program, which can improve the intelligence of vehicle detection.
附图说明Description of drawings
图1为本申请实施例提供的一种基于树莓派的车辆检测设备的结构图一；FIG. 1 is a structural diagram 1 of a Raspberry Pi-based vehicle detection device provided by an embodiment of the application;
图2为本申请实施例提供的一种基于树莓派的车辆检测设备的结构图二；FIG. 2 is a structural diagram 2 of a Raspberry Pi-based vehicle detection device provided by an embodiment of the application;
图3为本申请实施例提供的一种基于树莓派的车辆检测方法的流程图。FIG. 3 is a flowchart of a Raspberry Pi-based vehicle detection method provided by an embodiment of the present application.
具体实施方式Detailed ways
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.
以下，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本公开实施例的描述中，除非另有说明，“多个”的含义是两个或两个以上。Hereinafter, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the embodiments of the present disclosure, unless otherwise specified, "plurality" means two or more.
另外，“基于”或“根据”的使用意味着开放和包容性，因为“基于”或“根据”一个或多个条件或值的过程、步骤、计算或其他动作在实践中可以基于额外条件或超出的值。Additionally, the use of "based on" or "according to" is meant to be open and inclusive, as a process, step, calculation or other action "based on" or "depending on" one or more conditions or values may in practice be based on additional conditions or Exceeded value.
车辆下线电检测试专门针对车辆进行故障诊断、功能配置、控制器测试、传感器标定、执行器测试等车辆总装下线电器测试，是汽车生产过程中的重要一环。The vehicle off-line electrical testing test is specially designed for vehicle fault diagnosis, function configuration, controller testing, sensor calibration, actuator testing and other vehicle assembly off-line electrical testing, which is an important part of the automobile production process.
现有技术中，通常通过专有的检测设备来对车辆进行下线电检，但目前的需要在每个检测工位上配备一个检测设备，且在车辆到达检测工位时还需要人工选择与该工位对应的检测程序，存在检测智能化不高的问题。In the prior art, the off-line electrical inspection of the vehicle is usually carried out through a proprietary testing device, but at present, each testing station needs to be equipped with a testing device, and when the vehicle arrives at the testing station, manual selection and The detection program corresponding to this station has the problem that the detection intelligence is not high.
为了解决上述问题，本申请实施例提供了一种基于树莓派的车辆检测设备，该设备包括：监测模块，用于监测车辆检测设备的设备位置，并向确定模块发送设备位置；确定模块，用于根据设备位置从多个检测工位中确定出当前的目标检测工位，并根据目标检测工位确定对应的目标检测程序的标识，以及向测试模块发送目标检测程序的标识，各检测工位用于检测车辆对应的功能，各检测工位包括对应的坐标范围；测试模块，用于根据目标检测程序的标识调用目标检测程序对车辆进行检测，生成检测数据；远程通信模块，用于将检测数据发送至远程设备。本申请实施例提供的基于树莓派的车辆检测设备可以根据监测到的车辆检测设备的设备位置来确定当前的目标检测工位，并根据设备位置自动调用与目标检测工位对应的检测程序来自动对车辆进行检测，无需手动选择对应的检测程序，这样可以提高车辆检测的智能性。In order to solve the above problem, an embodiment of the present application provides a Raspberry Pi-based vehicle detection device, the device includes: a monitoring module, configured to monitor the device location of the vehicle detection device, and send the device location to the determination module; the determination module, It is used to determine the current target detection station from a plurality of detection stations according to the position of the equipment, and to determine the corresponding target detection program identification according to the target detection station, and to send the target detection program identification to the test module. The position is used to detect the corresponding function of the vehicle, and each detection station includes the corresponding coordinate range; the test module is used to call the target detection program according to the identification of the target detection program to detect the vehicle and generate detection data; the remote communication module is used to Detection data is sent to the remote device. The Raspberry Pi-based vehicle detection device provided by the embodiment of the present application can determine the current target detection station according to the detected device position of the vehicle detection device, and automatically call the detection program corresponding to the target detection station according to the device position to The vehicle is automatically detected without the need to manually select the corresponding detection program, which can improve the intelligence of vehicle detection.
如图1所示，本申请实施例提供了一种基于树莓派的车辆检测设备，该设备包括：As shown in FIG. 1 , an embodiment of the present application provides a Raspberry Pi-based vehicle detection device, which includes:
监测模块11，用于监测车辆检测设备的设备位置，并向确定模块发送设备位置。The
可选的，该车辆检测设备中可以设置有GPS定位模块来实时监测车辆的设备位置。Optionally, the vehicle detection device may be provided with a GPS positioning module to monitor the device location of the vehicle in real time.
确定模块12，用于根据设备位置从多个检测工位中确定出当前的目标检测工位，并根据目标检测工位确定对应的目标检测程序的标识，以及向测试模块发送目标检测程序的标识。The
其中，各检测工位用于检测车辆对应的功能，各检测工位包括对应的坐标范围。Among them, each detection station is used to detect the function corresponding to the vehicle, and each detection station includes a corresponding coordinate range.
可选的，该检测工位可以为加注，软件刷写、智能辅助标定、终检，或者其他可以复用此设备的工位。Optionally, the inspection station can be refilling, software flashing, intelligent auxiliary calibration, final inspection, or other stations that can reuse this equipment.
具体的，每个检测工位都包括对应的检测位置范围，车辆检测设备可以根据当前的设备位置和检测工位的位置范围来确定当前要检测的目标检测工位，然后根据目标检测工位确定对应的目标检测程序的标识，并根据确定出的目标检测程序的标识。Specifically, each detection station includes a corresponding detection position range. The vehicle detection equipment can determine the current target detection station to be detected according to the current equipment position and the position range of the detection station, and then determine the target detection station according to the target detection station. The identification of the corresponding target detection program, and according to the determined identification of the target detection program.
测试模块13，用于根据目标检测程序的标识调用目标检测程序对车辆进行检测，生成检测数据。The
远程通信模块14，用于将检测数据发送至远程设备。The
可选的，该远程设备可以为服务器、计算机设备或终端设备等，本申请实施例对此不作具体限定。Optionally, the remote device may be a server, a computer device, or a terminal device, etc., which is not specifically limited in this embodiment of the present application.
需要说明的是，该车辆检测设备是基于树莓派的设备，其中，检测模块、确定模块、测试模块和远程通信模块是基于树莓派开发的，因此该检测设备的实际大小可以为巴掌大小，便于携带和使用。It should be noted that the vehicle detection device is based on Raspberry Pi, in which the detection module, determination module, test module and remote communication module are developed based on Raspberry Pi, so the actual size of the detection device can be the size of a palm , easy to carry and use.
具体的，本申请直接利用树莓派自带的软硬件开发平台，充分利用树莓派自身丰富的总线接口形式(SCI、SPI、CAN、I2C等)，自带的蓝牙、WiFi、红外、GPS、以太网等外设功能，加配OBD供电功能、自主开发电检程序，实现远程/在线电检的功能，可自动定位工位信息，到达指定工位自动开始对应的电检流程，提高电检效率，降低产线停线风险，并且设备外形小巧随车使用非常方便。Specifically, this application directly uses the software and hardware development platform that comes with the Raspberry Pi, and makes full use of the Raspberry Pi's own rich bus interface forms (SCI, SPI, CAN, I2C, etc.), and the built-in Bluetooth, WiFi, infrared, GPS, etc. , Ethernet and other peripheral functions, plus OBD power supply function, self-developed electrical inspection program, realize the function of remote/online electrical inspection, can automatically locate station information, automatically start the corresponding electrical inspection process when arriving at the designated station, improve electrical inspection Efficiency, reduce the risk of production line downtime, and the equipment is small and convenient to use with the car.
本申请实施例提供了一种基于树莓派的车辆检测设备，该设备包括：监测模块，用于监测车辆检测设备的设备位置，并向确定模块发送设备位置；确定模块，用于根据设备位置从多个检测工位中确定出当前的目标检测工位，并根据目标检测工位确定对应的目标检测程序的标识，以及向测试模块发送目标检测程序的标识，各检测工位用于检测车辆对应的功能，各检测工位包括对应的坐标范围；测试模块，用于根据目标检测程序的标识调用目标检测程序对车辆进行检测，生成检测数据；远程通信模块，用于将检测数据发送至远程设备。本申请实施例提供的基于树莓派的车辆检测设备可以根据监测到的车辆检测设备的设备位置来确定当前的目标检测工位，并根据设备位置自动调用与目标检测工位对应的检测程序来自动对车辆进行检测，无需手动选择对应的检测程序，这样可以提高车辆检测的智能性。An embodiment of the present application provides a Raspberry Pi-based vehicle detection device, the device includes: a monitoring module for monitoring the device location of the vehicle detection device, and sending the device location to a determination module; a determination module for based on the device location Determine the current target detection station from multiple detection stations, and determine the corresponding target detection program identification according to the target detection station, and send the target detection program identification to the test module. Each detection station is used to detect vehicles. Corresponding functions, each detection station includes the corresponding coordinate range; the test module is used to call the target detection program according to the identification of the target detection program to detect the vehicle and generate detection data; the remote communication module is used to send the detection data to the remote. equipment. The Raspberry Pi-based vehicle detection device provided by the embodiment of the present application can determine the current target detection station according to the detected device position of the vehicle detection device, and automatically call the detection program corresponding to the target detection station according to the device position to The vehicle is automatically detected without the need to manually select the corresponding detection program, which can improve the intelligence of vehicle detection.
如图2所示，在一个实施例中，设备还包括配置模块，配置模块用于：根据检测工位的检测顺序和检测工位对应的检测装置的位置信息为各检测工位配置对应的坐标范围。As shown in FIG. 2 , in one embodiment, the device further includes a configuration module, and the configuration module is used to configure the corresponding coordinates for each detection station according to the detection sequence of the detection station and the position information of the detection device corresponding to the detection station scope.
示例的，如加注工位包括加液设备，那么该工位的坐标范围就可以根据该工位中的加液设备的坐标位置和检测顺序来确定对应的坐标范围。如软件刷写工位，可以根据检测顺序提前为该工位配置对应的坐标范围，得到该检测工位的坐标范围。For example, if the filling station includes liquid addition equipment, the coordinate range of the station can be determined according to the coordinate position and detection sequence of the liquid addition equipment in the station. For example, a software flashing station can configure the corresponding coordinate range for the station in advance according to the detection sequence, so as to obtain the coordinate range of the detection station.
在一个实施例中，确定模块12具体用于：In one embodiment, the determining
若监测到的车辆检测设备当前的设备位置位于实体工位的坐标范围或虚拟工位的坐标范围，则将实体工位或虚拟工位确定为目标检测工位。If the current equipment position of the monitored vehicle detection equipment is located in the coordinate range of the physical workstation or the coordinate range of the virtual workstation, the physical workstation or the virtual workstation is determined as the target detection workstation.
可选的，设备包括第一预设接口，第一预设接口与车辆的车载自诊断系统的接口连接，设备还包括充电模块，充电模块包括降压电路，充电模块用于：Optionally, the device includes a first preset interface, the first preset interface is connected to an interface of an on-board self-diagnosis system of the vehicle, the device further includes a charging module, the charging module includes a step-down circuit, and the charging module is used for:
接收车辆利用车载自诊断系统的接口传输的电能，利用降压电路对电能进行降压处理，得到目标电能，利用目标电能为车辆检测设备供电。Receive the electric energy transmitted by the vehicle using the interface of the on-board self-diagnosis system, use the step-down circuit to lower the electric energy, obtain the target electric energy, and use the target electric energy to supply power to the vehicle detection equipment.
需要说明的是，目前的电检设备有些是无法通过车辆的车载自诊断系统(OBD)接口来供电，电检过程(如软件刷写工位)较长的时候，有断电风险，一旦刷写过程中设备断电，极大可能会造成车辆的控制单元(ECU)的损坏。需要反复的监测电量问题，或是通过外接线路的方法来保证电检过程中电量充足。本申请通过将预设的接口与车辆的OBD接口连接，可以对电检设备进行充电，这样可以保证电检设备的电量充足。It should be noted that some of the current electrical inspection equipment cannot be powered through the vehicle's on-board diagnostic system (OBD) interface. When the electrical inspection process (such as the software flashing station) is long, there is a risk of power failure. If the device is powered off during the writing process, the control unit (ECU) of the vehicle may be damaged. It is necessary to repeatedly monitor the power problem, or use an external circuit to ensure sufficient power during the power inspection process. In the present application, by connecting the preset interface with the OBD interface of the vehicle, the electrical inspection equipment can be charged, which can ensure that the electrical inspection equipment has sufficient power.
可选的，测试模块13还用于：接收远程设备发送的远程检测程序，并根据远程检测程序和目标检测程序的优先级确定出当前检测程序，并利用当前检测程序对车辆进行检测。Optionally, the
其中，设备中还包括多个诊断程序，诊断程序与测试程序对应，测试模块还用于：若利用目标检测程序对车辆进行检测过程中出现报错提示时，则调用与目标检测程序对应的诊断程序对车辆进行故障诊断。Among them, the device also includes a plurality of diagnostic programs, the diagnostic programs correspond to the test programs, and the test module is also used for: if an error message occurs during the detection process of the vehicle by using the target detection program, call the diagnostic program corresponding to the target detection program. Troubleshoot the vehicle.
需要说明的是，远程通信模块14还用于：接收远程设备发送的车辆的更新数据，更新数据包括更新后的检测程序和更新好后的车辆配置数据，和/或，接收远程设备发送的操作指令，操作指令用于指示调用目标诊断程序对车辆进行诊断。It should be noted that the
本申请实施例提供的基于树莓派的车辆检测设备，在现有的设备功能上增加了OBD供电模块，电池模块，并集成以太网、CAN网络总线数据传输功能。随车使用方便，且可以在电检的同时保证设备的电量充足，遇到车辆异常断电场景，还可以启动电检设备电池供电模式，保证设备不会异常断电。同时集成GPS模块，后台监测位置信息至电检程序，使得车辆到达制定工位即可自动开始电检，无需人工过多干预。增加CAN模块。搭配CAN通讯电检程序，适配CAN通讯协议下的电检场景。利用VNC和FTP网络传输技术，实现远程登陆树莓派和车辆配置文件传输、电检程序管理。下线检测的本地操作与远程访问机制，使设备在不影响车辆下线检测正常使用的同时具备远程操作的可行性。此外，该车辆检测设备增加车辆下线检测可视化显示与操控平台，实现下线检测设备屏幕监控，设备异常管理，电检异常管理，电检结果分析等功能，进一步的该检测设备集成诊断界面至电检脚本，使得车辆电检报错的场景下，无需更换设备，可直接发送诊断指令至车辆的控制单元，后台定时监控故障码，自动对故障码进行分析与故障记录和显示。The Raspberry Pi-based vehicle detection device provided by the embodiments of the present application adds an OBD power supply module and a battery module to the existing device functions, and integrates data transmission functions of Ethernet and CAN network bus. It is easy to use with the vehicle, and it can ensure that the power of the device is sufficient during the power inspection. In the event of an abnormal power failure of the vehicle, the battery power supply mode of the power inspection device can also be activated to ensure that the device will not be powered off abnormally. At the same time, the GPS module is integrated to monitor the location information in the background to the electrical inspection program, so that the vehicle can automatically start the electrical inspection when it arrives at the designated station, without excessive manual intervention. Added CAN module. With the CAN communication electrical inspection program, it adapts to the electrical inspection scene under the CAN communication protocol. Utilize VNC and FTP network transmission technology to realize remote login to Raspberry Pi, transmission of vehicle configuration files, and management of electrical inspection programs. The local operation and remote access mechanism of off-line detection makes the device feasible for remote operation without affecting the normal use of vehicle off-line detection. In addition, the vehicle inspection equipment adds a visual display and control platform for vehicle offline inspection to realize screen monitoring of offline inspection equipment, equipment abnormality management, electrical inspection abnormal management, and electrical inspection result analysis. Further, the inspection equipment integrates the diagnostic interface to The electric inspection script makes it possible to directly send diagnostic instructions to the control unit of the vehicle without replacing the equipment in the scenario where the vehicle electric inspection reports an error.
具体的，通过在树莓派上外加12V-5V的DCDC降压电路，并将以太网口(RJ45)的信号线(EthernetRX&TX)、RS485_CAN_HAT扩展板卡上的CANH&CANL信号线，统一按照OBD接口的信号排布对应接上，从而实现CAN、Ethernet、供电都可以通过OBD口直接接到实车上进行诊断通信、设备供电。另外，CAN扩展卡和GPS通过树莓派自带的插接件直接插在树莓派板上，配置好相关的驱动，即可使用。Specifically, a 12V-5V DCDC step-down circuit is added to the Raspberry Pi, and the signal lines (EthernetRX&TX) of the Ethernet port (RJ45) and the CANH&CANL signal lines on the RS485_CAN_HAT expansion board are unified in accordance with the signals of the OBD interface. The layout should be connected accordingly, so that CAN, Ethernet and power supply can be directly connected to the real vehicle through the OBD port for diagnostic communication and equipment power supply. In addition, the CAN expansion card and GPS can be directly plugged into the Raspberry Pi board through the plug-in connector that comes with the Raspberry Pi, and the related drivers can be configured before use.
集成GPS定位系统，通过在树莓派上增加GPS模块，可自动获取当前设备的位置坐标，与工厂各个检测工位的位置坐标范围做匹配，将此位置信息获取程序添加在树莓派的进程中，可实现到达不同工位开启不同的电检程序。Integrate the GPS positioning system. By adding a GPS module to the Raspberry Pi, the position coordinates of the current device can be automatically obtained and matched with the position coordinates of each detection station in the factory. This location information acquisition program is added to the process of the Raspberry Pi. In the middle, different electrical inspection procedures can be started when arriving at different stations.
下线检测的本地操作与远程访问机制，实现下线检测设备现场操作与远程访问操作的，下线检测设备在同时收到本地操作与远程操作时，自动根据事件优先级定义，执行进一步电检操作，从而避免系统的异常运行。The local operation and remote access mechanism of offline detection realizes on-site operation and remote access operation of offline detection equipment. When offline detection equipment receives local operation and remote operation at the same time, it will automatically perform further electrical inspection according to the definition of event priority. operation to avoid abnormal operation of the system.
针对软件刷写工位，还需要在此电检设备上定时无线传输车辆配置文件和刷写相关文件，我们利用FTP网络传输协议，配对树莓派的用户名、密码、IP，即可实现数据文件无线传输。For the software flashing station, it is also necessary to wirelessly transmit vehicle configuration files and flashing related files on this electrical inspection device. We use the FTP network transmission protocol to pair the username, password, and IP of the Raspberry Pi to realize the data. Wireless transfer of files.
电检诊断一体化上位机程控，该上位机包含各工位电检程序和诊断模块程序两部分。各工位(例如SWDL、ECOS、FHC)电检程序按照各工位EOL规范开发上位机程序，树莓派自带Python开发平台，可支持DoIP/CAN等多种通信协议的电检程序开发，在系统启动后自动与车辆、工位建立连接，并监测设备运行时间，设备异常事件，以及电检结果数据，然后将输入的这些数据进行处理后输出、工位合格率、检测项合格率、设备利用率等数据，显示在电检控制屏幕上。当测试报NOK的时候，直接切换诊断程序界面，直接将诊断指令发送到ECU。该诊断上位机程序可直接向车辆ECU发送诊断指令，同步分析诊断报文，结合故障码库，输出分析结果、自动保存log文件至后台。The electrical inspection and diagnosis are integrated with the upper computer program control. The upper computer includes two parts: the electrical inspection program of each station and the diagnosis module program. The electrical inspection program of each station (such as SWDL, ECOS, FHC) develops the host computer program according to the EOL specification of each station. The Raspberry Pi comes with a Python development platform, which can support the development of electrical inspection programs of various communication protocols such as DoIP/CAN. After the system is started, it automatically establishes connections with vehicles and stations, and monitors equipment running time, equipment abnormal events, and electrical inspection result data, and then processes the input data and outputs, station pass rate, inspection item pass rate, Data such as equipment utilization are displayed on the power inspection control screen. When the test report NOK, directly switch the diagnostic program interface, and directly send the diagnostic command to the ECU. The diagnostic host computer program can directly send diagnostic instructions to the vehicle ECU, analyze the diagnostic messages synchronously, combine with the fault code library, output the analysis results, and automatically save the log file to the background.
本申请通过基于VNC的协议的连接协议、用户认证协议来实现电检设备的远程监测与程控。VNC(Virtual Network Computing)是基于RFB(Remote Frame Buffer)协议进行通信的，是一个基于平台无关的简单显示协议的超级客户系统，RFB(远程帧缓存)是一个远程图形用户的简单协议，因为它工作在帧缓存级别上，所以它可以应用于所有的窗口系统，例如：X11,Windows和Mac系统。远程终端用户使用机器(比如显示器、键盘、鼠标)的叫做RFB客户端，提供帧缓存变化的被称为RFB服务器。RFB是基于TCP的一个应用层协议，服务器与客户端可通过RFB实现同步显示&操控。用服务器向客户端发送一个安全类型(SecurityType)，通知客户端用什么方式认证。客户端回复相同的安全类型，表示确认。通过这样的交互确认来保证连接的安全性。The present application realizes the remote monitoring and program control of the electrical inspection equipment through the connection protocol and user authentication protocol based on the VNC protocol. VNC (Virtual Network Computing) communicates based on the RFB (Remote Frame Buffer) protocol and is a super client system based on a platform-independent simple display protocol. RFB (Remote Frame Buffer) is a simple protocol for remote graphics users because it Works at the framebuffer level, so it can be applied to all windowing systems such as X11, Windows and Mac. A remote end user using a machine (such as a monitor, keyboard, mouse) is called an RFB client, and one that provides framebuffer changes is called an RFB server. RFB is an application layer protocol based on TCP. The server and client can realize synchronous display & control through RFB. Use the server to send a security type (SecurityType) to the client to inform the client how to authenticate. The client replies with the same security type, indicating confirmation. The security of the connection is guaranteed through such interactive confirmation.
本申请提供的电检设备相对于传统的下线电检系统，本申请在树莓派电检设备以及远程访问计算机上分别部署远程访问服务端及远程访问客户端，从而使传统下线检测设备增加了支持远程访问的功能。可以提高车辆下线检测问题的处理效率：当某些下线检测问题需要借助研发、供应商的人员支持处理时，技术支持人员通常需要查看电检记录，借助此系统相关人员不需要到工厂现场，通过远程方式即可查看电检记录，然后进行问题分析处理。Compared with the traditional offline electric inspection system, the electrical inspection equipment provided by this application deploys a remote access server and a remote access client on the Raspberry Pi electrical inspection equipment and the remote access computer respectively, so that the traditional offline inspection equipment is Added support for remote access. It can improve the processing efficiency of vehicle off-line inspection problems: when some off-line inspection problems need to be handled with the support of R&D and supplier personnel, technical support personnel usually need to check the electrical inspection records, and relevant personnel do not need to go to the factory site with this system. , you can view the electrical inspection records remotely, and then analyze and deal with the problem.
电检程序、车辆配置文件、工位电检文件远程更新：当上述输入资料需要升级/更新时，相对于传统模式下设备供应商技术人员到工厂现场，将设备中的程序手工替换成最新的程序，本申请下线检测设备供应商的软件工程师可直接访问各个电检设备，并将最新的电检程序、车辆配置文件、各工位电检文件释放到目标设备中。Remote update of electrical inspection program, vehicle configuration file, and station electrical inspection file: When the above input data needs to be upgraded/updated, compared to the traditional mode, the equipment supplier technicians go to the factory site and manually replace the programs in the equipment with the latest ones. Program, the software engineer of the offline testing equipment supplier of this application can directly access each electrical testing equipment, and release the latest electrical testing program, vehicle configuration file, and electrical testing files of each station to the target equipment.
下线检测功能的远程控制及自动化运行，在某些特定场景下(例如电检程序修改后的测试阶段)，相关人员需要测试某些下线检测功能的车辆响应，传统模式下只能通过操作工人操作设备的按钮或者通过设备触摸屏来执行电检功能，通过本申请涉及的远程访问机制和GPS定位功能，可以直接识别对应工位信息，通过在系统中选择要执行的电检EOL流程脚本，系统将传输用户的操作命令给电检设备，下线检测设备接收到操作命令后执行对应的电检程序。Remote control and automatic operation of the offline detection function. In some specific scenarios (such as the test stage after the electrical inspection program is modified), the relevant personnel need to test the vehicle response of some offline detection functions. In the traditional mode, only by operating Workers operate the buttons of the equipment or perform the electrical inspection function through the touch screen of the equipment. Through the remote access mechanism and GPS positioning function involved in this application, the corresponding workstation information can be directly identified, and by selecting the electrical inspection EOL process script to be executed in the system, The system will transmit the user's operation command to the electrical inspection device, and the offline inspection device will execute the corresponding electrical inspection program after receiving the operation command.
电检诊断一体化上位机程控，电检检测报错的情况下可立即进行诊断操作，无需更换设备，调配人力/设备资源，同样的，此功能支持远程操控，极大的提高电检故障排查效率。外观上，本申请的设备小巧，仅有手掌大小，通过车辆OBD口可进行充电/数据传输直接插在车辆OBD口上，自带屏幕，同步可现场直接操控该电检设备。能兼容CAN与DoIP两种车辆通讯协议，使得这套刷写装置能兼容现阶段所有车型。The electrical inspection and diagnosis are integrated with the upper computer program control, and the diagnosis operation can be performed immediately in the case of an error in the electrical inspection detection. There is no need to replace the equipment and allocate human/equipment resources. Similarly, this function supports remote control, which greatly improves the efficiency of electrical inspection troubleshooting. . Appearance, the device of the present application is small and only the size of a palm. It can be charged/transmitted through the OBD port of the vehicle and directly plugged into the OBD port of the vehicle. Compatible with CAN and DoIP two vehicle communication protocols, making this flashing device compatible with all current models.
如图3所示，本申请实施例提供了一种基于树莓派的车辆检测方法，该方法包括以下步骤：As shown in FIG. 3 , an embodiment of the present application provides a Raspberry Pi-based vehicle detection method, which includes the following steps:
步骤301、监测车辆检测设备的设备位置，并向确定模块发送设备位置；
步骤302、根据设备位置从多个检测工位中确定出当前的目标检测工位，并根据目标检测工位确定对应的目标检测程序的标识，以及向测试模块发送目标检测程序的标识；
各检测工位用于检测车辆对应的功能，各检测工位包括对应的坐标范围；Each detection station is used to detect the corresponding function of the vehicle, and each detection station includes the corresponding coordinate range;
步骤303、根据目标检测程序的标识调用目标检测程序对车辆进行检测，生成检测数据；
步骤304、将检测数据发送至远程设备。Step 304: Send the detection data to the remote device.
在一个实施例中，方法还包括：In one embodiment, the method further includes:
根据检测工位的检测顺序和检测工位对应的检测装置的位置信息为各检测工位配置对应的坐标范围。A corresponding coordinate range is configured for each detection station according to the detection sequence of the detection stations and the position information of the detection device corresponding to the detection stations.
在一个实施例中，根据设备位置从多个检测工位中确定出当前的目标检测工位，包括：In one embodiment, the current target detection station is determined from a plurality of detection stations according to the equipment position, including:
若监测到的车辆检测设备当前的设备位置位于检测工位的坐标范围，则将检测工位确定为目标检测工位。If the current equipment position of the monitored vehicle detection equipment is located in the coordinate range of the detection station, the detection station is determined as the target detection station.
在一个实施例中，设备包括第一预设接口，第一预设接口与车辆的车载自诊断系统的接口连接，方法还包括：In one embodiment, the device includes a first preset interface, and the first preset interface is connected to an interface of an on-board self-diagnosis system of the vehicle, and the method further includes:
接收车辆利用车载自诊断系统的接口传输的电能，利用降压电路对电能进行降压处理，得到目标电能，利用目标电能为车辆检测设备供电。Receive the electric energy transmitted by the vehicle using the interface of the on-board self-diagnosis system, use the step-down circuit to lower the electric energy, obtain the target electric energy, and use the target electric energy to supply power to the vehicle detection equipment.
在一个实施例中，方法还包括：In one embodiment, the method further includes:
接收远程设备发送的远程检测程序，并根据远程检测程序和目标检测程序的优先级确定出当前检测程序，并利用当前检测程序对车辆进行检测。Receive the remote detection program sent by the remote device, determine the current detection program according to the priority of the remote detection program and the target detection program, and use the current detection program to detect the vehicle.
在一个实施例中，设备中还包括多个诊断程序，诊断程序与测试程序对应，方法还包括：In one embodiment, the device further includes a plurality of diagnostic programs, the diagnostic programs correspond to the test programs, and the method further includes:
若利用目标检测程序对车辆进行检测过程中出现报错提示时，则调用与目标检测程序对应的诊断程序对车辆进行故障诊断。If an error message occurs in the process of detecting the vehicle by using the target detection program, the diagnosis program corresponding to the target detection program is called to diagnose the fault of the vehicle.
在一个实施例中，方法还包括：In one embodiment, the method further includes:
接收远程设备发送的车辆的更新数据，更新数据包括更新后的检测程序和更新好后的车辆配置数据，和/或，接收远程设备发送的操作指令，操作指令用于指示调用目标诊断程序对车辆进行诊断。Receive the updated data of the vehicle sent by the remote device, the updated data includes the updated detection program and the updated vehicle configuration data, and/or, receive the operation instruction sent by the remote device, the operation instruction is used to instruct calling the target diagnostic program to the vehicle. Diagnose.
本申请实施例提供的基于树莓派的车辆检测方法，通过监测车辆检测设备的设备位置，并向确定模块发送设备位置，根据设备位置从多个检测工位中确定出当前的目标检测工位，并根据目标检测工位确定对应的目标检测程序的标识，以及向测试模块发送目标检测程序的标识，各检测工位用于检测车辆对应的功能，各检测工位包括对应的坐标范围；根据目标检测程序的标识调用目标检测程序对车辆进行检测，生成检测数据；将检测数据发送至远程设备。本申请实施例提供的基于树莓派的车辆检测方法可以根据监测到的车辆检测设备的设备位置来确定当前的目标检测工位，并根据设备位置自动调用与目标检测工位对应的检测程序来自动对车辆进行检测，无需手动选择对应的检测程序，这样可以提高车辆检测的智能性。The Raspberry Pi-based vehicle detection method provided by the embodiment of the present application determines the current target detection station from a plurality of detection stations according to the device position by monitoring the equipment position of the vehicle detection equipment and sending the equipment position to the determination module. , and determine the identification of the corresponding target detection program according to the target detection station, and send the identification of the target detection program to the test module, each detection station is used to detect the corresponding function of the vehicle, and each detection station includes the corresponding coordinate range; The identification of the target detection program calls the target detection program to detect the vehicle, generates detection data, and sends the detection data to the remote device. The Raspberry Pi-based vehicle detection method provided by the embodiment of the present application can determine the current target detection station according to the device position of the monitored vehicle detection equipment, and automatically call the detection program corresponding to the target detection station according to the device position to The vehicle is automatically detected without the need to manually select the corresponding detection program, which can improve the intelligence of vehicle detection.
本申请另一实施例中，还提供一种计算机可读存储介质，其上存储有计算机程序，计算机程序被处理器执行时实现如本申请实施例的基于树莓派的车辆检测方法的步骤。In another embodiment of the present application, a computer-readable storage medium is further provided, on which a computer program is stored, and when the computer program is executed by a processor, the steps of the Raspberry Pi-based vehicle detection method according to the embodiment of the present application are implemented.
在上述实施例中，可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件程序实现时，可以全部或部分地以计算机程序产品的形式来实现。该计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行计算机执行指令时，全部或部分地产生按照本申请实施例的流程或功能。计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。计算机指令可以存储在计算机可读存储介质中，或者从一个计算机可读存储介质向另一个计算机可读存储介质传输，例如，计算机指令可以从一个网站站点、计算机、服务器或者数据中心通过有线(例如同轴电缆、光纤、数字用户线(digitalsubscriber line，DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包含一个或多个可以用介质集成的服务器、数据中心等数据存储设备。可用介质可以是磁性介质(例如，软盘、硬盘、磁带)，光介质(例如，DVD)、或者半导体介质(例如固态硬盘(solid state disk，SSD))等。In the above-mentioned embodiments, it may be implemented in whole or in part by software, hardware, firmware or any combination thereof. When implemented using a software program, it can be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer-executed instructions are loaded and executed on the computer, the flow or function according to the embodiments of the present application is generated in whole or in part. The computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable device. Computer instructions may be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from a website site, computer, server, or data center over a wire (e.g. coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (eg infrared, wireless, microwave, etc.) means to another website site, computer, server or data center. Computer-readable storage media can be any available media that can be accessed by a computer or data storage devices including one or more servers, data centers, etc., that can be integrated with the media. Useful media may be magnetic media (eg, floppy disks, hard disks, magnetic tapes), optical media (eg, DVDs), or semiconductor media (eg, solid state disks (SSDs)), and the like.
以上实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。The technical features of the above embodiments can be combined arbitrarily. In order to make the description simple, all possible combinations of the technical features in the above embodiments are not described. However, as long as there is no contradiction in the combination of these technical features It is considered to be the range described in this specification.
以上实施例仅表达了本申请的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本申请构思的前提下，还可以做出若干变形和改进，这些都属于本申请的保护范围。因此，本申请专利的保护范围应以所附权利要求为准。The above examples only represent several embodiments of the present application, and the descriptions thereof are relatively specific and detailed, but should not be construed as a limitation on the scope of the invention patent. It should be pointed out that for those skilled in the art, without departing from the concept of the present application, several modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the scope of protection of the patent of the present application shall be subject to the appended claims.
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