WO2020019530A1 - 新型车灯软件集群式升级控制***及具有该***的车辆 - Google Patents

新型车灯软件集群式升级控制***及具有该***的车辆 Download PDF

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WO2020019530A1
WO2020019530A1 PCT/CN2018/110029 CN2018110029W WO2020019530A1 WO 2020019530 A1 WO2020019530 A1 WO 2020019530A1 CN 2018110029 W CN2018110029 W CN 2018110029W WO 2020019530 A1 WO2020019530 A1 WO 2020019530A1
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control unit
vehicle
program upgrade
upgrade
vehicle body
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PCT/CN2018/110029
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English (en)
French (fr)
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崔金星
任康成
董锋格
徐磊
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常州星宇车灯股份有限公司
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Publication of WO2020019530A1 publication Critical patent/WO2020019530A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00—Arrangements for software engineering
    • G06F8/60—Software deployment
    • G06F8/65—Updates
    • G06F8/654—Updates using techniques specially adapted for alterable solid state memories, e.g. for EEPROM or flash memories

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  • the invention belongs to the field of automotive electronics and low-power Bluetooth technology, and in particular relates to a new type of cluster software upgrade control system for vehicle lights and a vehicle having the system.
  • the present invention provides a new car light software cluster-type upgrade control system and a vehicle having the system, and the lamp of the first car is manually upgraded. After the software, the remaining vehicle lighting software can automatically complete the upgrade function without manual intervention, which truly realizes the combination of efficiency and speed, and has high practicality.
  • the present invention adopts the following technical solutions:
  • the new car light software cluster upgrade control system which includes a car body external program upgrade control unit, a car body internal program upgrade control unit, a driver control unit, and a lamp load unit connected in sequence.
  • the car body external program upgrade control unit is responsible for initiating program upgrade and transmission
  • the vehicle body internal program upgrade control unit is responsible for accepting and analyzing the current program data frame to be upgraded and transmitting the parsed correct data information to the second external flash of the drive control unit, or the vehicle body internal program upgrade control unit serves as the The initiator of the subsequent program upgrade; the drive control unit transfers the updated data in the second external flash to its own second internal flash, and completes the program upgrade function after restarting.
  • a relevant protocol including BLE is used between the external program upgrade control unit of the vehicle body and the internal program upgrade control unit of the vehicle body;
  • a UART serial bus protocol is used between the internal program upgrade control unit of the vehicle body and the driver control unit.
  • the external program upgrade control unit of the vehicle body includes a first internal FLASH, a first MCU, and a first Bluetooth data interface.
  • the first internal FLASH is responsible for storing file data to be upgraded;
  • the first MCU is responsible for parsing the file data to be upgraded, and
  • the file data is split into frames and sent to the first Bluetooth data interface;
  • the first Bluetooth data interface is responsible for sending the file data parsed and split by the first MCU to the second Bluetooth data interface of the internal program upgrade control unit.
  • the internal program upgrade control unit of the vehicle body includes a first external FLASH, a second MCU, a second Bluetooth data interface, and a first serial port.
  • the second Bluetooth data interface is responsible for receiving externally transmitted file data and passing it to the second MCU;
  • the second MCU is responsible for parsing the received file data and storing the correct file data in the first external FLASH;
  • the first serial port is responsible for the communication between the vehicle body internal program upgrade control unit and the driver control unit, and the internal body program upgrade control unit passes The first serial port learns whether the system software needs to be upgraded.
  • the drive control unit includes a second external FLASH, a second MCU, and a second serial port.
  • the second external FLASH is responsible for storing file data to be upgraded;
  • the second MCU is responsible for copying the file data of the second external FLASH to its own second internal FLASH, and decides whether the upgrade is successful;
  • the second serial port is responsible for sending out information about whether the drive control unit needs to be upgraded.
  • the vehicle has the above-mentioned new type of software upgrade control system for the lamp software.
  • the internal program upgrade control unit, driver control unit, and lamp load unit of the vehicle body are located in the vehicle body lamp as a whole.
  • an external person connects the external program upgrade control unit of the vehicle body to one of the many vehicles to be upgraded, and the external program upgrade control unit transmits the file data to be upgraded in real time through the internal program upgrade control unit of the vehicle body. Transferred to the second external flash of the drive control unit. After the drive control unit successfully transfers all the upgraded file data issued by the body control program upgrade control unit, it updates the data in the second external flash to its own system and restarts to complete the upgrade. Afterwards, the internal program upgrade control unit, as the initiator of the program upgrade function, completes the software upgrade tasks of other vehicles.
  • the present invention only requires external personnel to operate the external program upgrade control unit of the vehicle body to access one of the many vehicles to be upgraded. After completing the program upgrade of this vehicle, the remaining vehicle lighting software can automatically complete the upgrade function through clustering, without manual labor. Intervention reduces the manual workload, and theoretically there is no limit to the number of vehicles that can be upgraded.
  • the invention adopts low-power Bluetooth technology as a communication carrier to realize signal transmission, which greatly reduces system power consumption.
  • the present invention can also use a mobile phone to detect whether the lighting software has been downloaded successfully, on the one hand, it reduces the tediousness of manual operations, and on the other hand, it performs comprehensive detection during the upgrade process, improving the reliability of the upgrade. And success rate.
  • FIG. 1 is an overall block diagram of a control system according to an embodiment of the present invention.
  • FIG. 2 is an internal block diagram of a vehicle body external program upgrade control unit according to an embodiment of the present invention
  • FIG. 3 is an internal block diagram of a vehicle body internal program upgrade control unit according to an embodiment of the present invention.
  • FIG. 4 is an internal block diagram of a driver control unit according to an embodiment of the present invention.
  • 1- body external program upgrade control unit 11- first internal FLASH, 12- first MCU, 13- first Bluetooth data interface
  • 2- body internal program upgrade control unit 21- first external FLASH, 22 -Second MCU, 23- second Bluetooth data interface
  • 24- first serial port 3- driver control unit
  • 31- second external FLASH 32- third MCU, 33- second serial port
  • 4- headlight load unit 4- headlight load unit
  • BLE Bluetooth Low Energy
  • this embodiment proposes a new car light software clustered upgrade control system.
  • the external program upgrade control unit 1 of the vehicle body is connected to the internal program upgrade control unit 2 of the vehicle body, and initiates the first download task command.
  • the control program is transmitted to the vehicle body internal program upgrade control unit 2.
  • the vehicle body external program upgrade control unit 1 is no longer needed; in this process, the vehicle body external program upgrade control unit 1 is used as the host role, and the body interior
  • the program upgrade control unit 2 acts as a slave.
  • the function of the external program upgrade control unit 1 of the vehicle body is mainly completed by the mobile phone APP. In theory, as long as the mobile phone supports Bluetooth communication.
  • the vehicle body internal program upgrade control unit 2 is connected to the driver control unit 3.
  • the vehicle body internal program upgrade control unit 2 obtains the data of the vehicle body external program upgrade control unit 3 and stores it in the second external FLASH 31.
  • the internal program upgrade control unit 2 of the vehicle body switches from the slave mode to the master mode, and actively searches for nearby vehicle information that has not been successfully upgraded and the internal program upgrade control unit 2 of the vehicle lamps that have not been upgraded.
  • the communication transmits data in its own second external flash 31 to the other's second external flash 31.
  • the internal program upgrade control unit 2 of the vehicle body is mainly completed by a low-power Bluetooth single-chip microcomputer, and Nordic and Texas Instruments' low-power Bluetooth series chips can be considered.
  • the driver control unit 3 is connected to the lamp load unit 4, and the driver control unit 3 periodically informs the internal program upgrade control unit 2 whether the program of the vehicle itself needs to be upgraded.
  • the drive control unit 3 reads the updated data from the second external FLASH 31 and updates its own system data.
  • the driver control unit 3 is mainly completed by the driver controlling the single-chip microcomputer. Freescale series single-chip microcomputers can be considered.
  • the vehicle body external program upgrade control unit 1 stores the file data to be upgraded in the first internal FLASH 11, the first MCU 12 analyzes the file data, and transmits the file data to be upgraded to the first Bluetooth data interface 13.
  • Body interior program upgrade control unit 2 the vehicle body external program upgrade control unit 1 stores the file data to be upgraded in the first internal FLASH 11, the first MCU 12 analyzes the file data, and transmits the file data to be upgraded to the first Bluetooth data interface 13.
  • the internal program upgrade control unit 2 of the vehicle body is one of the core components of a new type of cluster software upgrade control system for car lights.
  • the second MCU 22 Bluetooth Low Energy MCU
  • the data transmitted by the vehicle body external program upgrade control unit 1 is stored in the first external flash 21 through the first serial port 24; the vehicle body internal program upgrade control unit 2 can also be networked with the vehicle body internal program upgrade control unit 2 in other lamps. To perform program upgrade tasks.
  • the driver control unit 3 is a hardware body that implements software functions of the vehicle light, and the third MCU 32 (driver control single chip microcomputer) and the vehicle body internal program upgrade control unit 2 exchange information.
  • the third MCU 32 continuously inquires whether its own program needs to be upgraded and transmits this information to the second Bluetooth interface 23 of the internal program upgrade control unit 2 through the second serial port 33; if the program upgrade data transmission is completed, the drive control unit 3 Transfer the data in the second external FLASH 31 to the second internal FLASH of the third MCU 32 and restart to complete the upgrade.
  • This embodiment also proposes a vehicle with a new type of software cluster update control system for vehicle lights.
  • An external person connects an external program upgrade control unit 1 of the vehicle body to one of the many vehicles to be upgraded.
  • the external program upgrade control unit 1 of the vehicle body is to be waited for.
  • the updated file data is transmitted to the second external flash 31 of the driver control unit 3 in real time through the internal program upgrade control unit 2 of the vehicle body.
  • the driver control unit 3 successfully transmits all the upgraded file data sent by the internal vehicle body program upgrade control unit 2, Update the data in the second external FLASH 31 to its own system.
  • the internal program upgrade control unit 2 acts as the initiator of the program upgrade function and completes the software upgrade tasks of other vehicles, thereby solving the automotive lamp software scene.
  • the burden and complexity of large-scale upgrades has greatly reduced the workload of field staff and improved the efficiency of software upgrades.
  • the upgrade task is initiated through the mobile phone APP, and the low-power Bluetooth technology is used to upgrade the light control software of one of the cars. Without manual intervention, the car will automatically search for and upgrade the car lights that are not updated by the surrounding software. The upgrade process does not affect the normal operation of the lights; in turn, the successfully upgraded lights will update the nearby non-upgraded car lights. This can complete the large-scale automotive lamp software upgrade. After all the upgrades are completed, the mobile phone APP can be used to check whether the upgrade is successful. It has great reference significance and promotion role for future vehicle software upgrades, and has a large market. Application prospects.

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  • General Engineering & Computer Science (AREA)
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Abstract

本发明公开一种新型车灯软件集群式升级控制***及具有该***的车辆，属于汽车电子领域和低功耗蓝牙技术领域。它包括依次相连的车身外部程序升级控制单元、车身内部程序升级控制单元、驱动器控制单元和车灯负载单元。本发明只需外部人员操作车身外部程序升级控制单元接入众多待升级车辆中的一辆，完成此车的程序升级后，其余的车辆灯具软件可自动通过集群式完成升级功能，无需人工干预，减少了人工工作量，理论上完成升级的车辆数目没有限制；本发明采用低功耗蓝牙技术作为通讯载体，实现信号传输，大大减小了***功耗。

Description

新型车灯软件集群式升级控制***及具有该***的车辆 技术领域
本发明属于汽车电子领域和低功耗蓝牙技术领域，尤其是一种新型车灯软件集群式升级控制***及具有该***的车辆。
背景技术
随着汽车电子行业的飞速发展，当今汽车工业对于控制软件功能要求越来越高。汽车电子软件更新越来越快，在车辆数量众多的升级功能场合，采用传统的软件升级方式，浪费大量的人力资源，造成效率低下。因此亟需提出一种新型程序升级模式，于是一种新型车灯软件集群式升级控制***及具有该***的车辆应运而生，通过人工完成升级第一辆车的灯具软件后，其余的车辆灯具软件可自动完成升级功能，无需人工干预，真正实现了效率和速度的结合，具有很高的实用性。
发明内容
为解决大规模车灯软件升级场合中人工下载繁琐，效率低下的问题，本发明提供一种新型车灯软件集群式升级控制***及具有该***的车辆，通过人工完成升级第一辆车的灯具软件后，其余的车辆灯具软件可自动完成升级功能，无需人工干预，真正实现了效率和速度的结合，具有很高的实用性。
为实现上述目的，本发明采用下述技术方案：
新型车灯软件集群式升级控制***，它包括依次相连的车身外部 程序升级控制单元、车身内部程序升级控制单元、驱动器控制单元和车灯负载单元，车身外部程序升级控制单元负责发起程序升级并传输待升级文件数据，车身内部程序升级控制单元负责接受并解析当前待升级的程序数据帧并将解析后的正确数据信息传输到驱动器控制单元的第二外部FLASH中，或者车身内部程序升级控制单元作为后续程序升级的发起者；驱动器控制单元将第二外部FLASH中更新好的数据转移到自身第二内部FLASH中，重启后完成程序升级功能。
进一步地，车身外部程序升级控制单元与车身内部程序升级控制单元之间使用包括BLE的相关协议；车身内部程序升级控制单元与驱动器控制单元之间使用UART串口总线协议。
进一步地，车身外部程序升级控制单元包括第一内部FLASH、第一MCU和第一蓝牙数据接口，第一内部FLASH负责存储待升级的文件数据；第一MCU负责解析待升级的文件数据，并将文件数据拆分成帧后发送给第一蓝牙数据接口；第一蓝牙数据接口负责将第一MCU解析并拆分的文件数据发送给所述内部程序升级控制单元的第二蓝牙数据接口。
进一步地，车身内部程序升级控制单元包括第一外部FLASH、第二MCU、第二蓝牙数据接口和第一串口，第二蓝牙数据接口负责接受外部传输过来的文件数据并传递给第二MCU；第二MCU负责解析接受的文件数据，并将格式正确的文件数据存储在第一外部FLASH中；第一串口负责车身内部程序升级控制单元和驱动器控制单元之间的通信，车身内部程序升级控制单元通过第一串口得知***软件是否需要 升级的信息。
进一步地，驱动器控制单元包括第二外部FLASH、第二MCU和第二串口，第二外部FLASH负责存储待升级的文件数据；第二MCU负责将第二外部FLASH的文件数据复制到自身第二内部FLASH，并决定自身是否升级成功；第二串口负责将驱动器控制单元是否需要升级的信息发送出去。
车辆，具有上述新型车灯软件集群式升级控制***。
进一步地，车身内部程序升级控制单元、驱动器控制单元和车灯负载单元作为一个整***于车身灯具内。
进一步地，初次进行程序升级操作时，外部人员将车身外部程序升级控制单元接入众多待升级车辆中的一辆，车身外部程序升级控制单元将待升级的文件数据通过车身内部程序升级控制单元实时传送至驱动器控制单元的第二外部FLASH中，驱动器控制单元根据车身内部程序升级控制单元发出的所有升级的文件数据传输成功后，将第二外部FLASH中的数据更新到自身***内，重启完成升级后，内部程序升级控制单元作为程序升级功能的发起者，完成其他车辆的软件升级任务。
有益效果：
1.本发明只需外部人员操作车身外部程序升级控制单元接入众多待升级车辆中的一辆，完成此车的程序升级后，其余的车辆灯具软件可自动通过集群式完成升级功能，无需人工干预，减少了人工工作量，理论上完成升级的车辆数目没有限制。
2.本发明采用低功耗蓝牙技术作为通讯载体，实现信号传输，大大减小了***功耗。
3.本发明在所有车辆完成下载功能后，还可利用手机检测灯具软件是否下载成功，一方面减轻了人工操作的繁琐性，另一方面在升级过程中全方位检测，提高了升级的可靠性以及成功率。
附图说明
图1是本发明一实施例的控制***整体框图；
图2是本发明一实施例的车身外部程序升级控制单元内部框图；
图3是本发明一实施例的车身内部程序升级控制单元内部框图；
图4是本发明一实施例的驱动器控制单元内部框图；
图中：1-车身外部程序升级控制单元、11-第一内部FLASH、12-第一MCU、13-第一蓝牙数据接口、2-车身内部程序升级控制单元、21-第一外部FLASH、22-第二MCU、23-第二蓝牙数据接口、24-第一串口、3-驱动器控制单元、31-第二外部FLASH、32-第三MCU、33-第二串口、4-车灯负载单元。
具体实施方式
下面结合附图和实施例对本发明进一步说明。
低功耗蓝牙(BLE)技术中有主机和从机之分，类似计算机操作***中的客户端和服务器角色，主机类似客户端，从机类似服务器，并且在工作时低功耗蓝牙单片机可在主从角色之间随时切换。
如图1所示，本实施例提出一种新型车灯软件集群式升级控 制***，车身外部程序升级控制单元1与车身内部程序升级控制单元2相连，发起首次下载任务命令，借助低功耗蓝牙技术，把控制程序传输给车身内部程序升级控制单元2，所有程序数据传输完成后，不再需要车身外部程序升级控制单元1；此过程中，车身外部程序升级控制单元1作为主机角色，车身内部程序升级控制单元2作为从机。车身外部程序升级控制单元1功能主要由手机APP完成，理论上只要手机支持蓝牙通信即可。
车身内部程序升级控制单元2与驱动器控制单元3相连，当启动程序升级任务时，车身内部程序升级控制单元2获取车身外部程序升级控制单元3的数据，将其存在第二外部FLASH 31中。首次升级升级功能完成后，车身内部程序升级控制单元2从从机模式切换为主机模式，主动搜寻附近未升级成功的车辆灯具信息和未升级的车辆灯具中的车身内部程序升级控制单元2组网通信，将自身的第二外部FLASH 31中的数据传输至对方的第二外部FLASH 31中。车身内部程序升级控制单元2主要由低功耗蓝牙单片机完成，可考虑nordic以及德州仪器系列的低功耗蓝牙系列芯片。
驱动器控制单元3与车灯负载单元4相连，驱动器控制单元3周期性的告知车身内部程序升级控制单元2自身程序是否需要升级。当升级功能完成后，驱动器控制单元3从第二外部FLASH 31中读取更新好的数据，更新自身***数据。驱动器控制单元3主要由驱动器控制单片机完成，可考虑飞思卡尔系列单片机。
如图2所示，车身外部程序升级控制单元1将待升级文件数据存储在第一内部FLASH 11中，第一MCU 12解析文件数据，并通过第一蓝牙数据接口13将待升级文件数据传输给车身内部程序升级控制单元2。
如图3所示，车身内部程序升级控制单元2是一种新型车灯软件集群式升级控制***的核心部件之一，第二MCU 22(低功耗蓝牙单片机)通过第二蓝牙数据接口23接受车身外部程序升级控制单元1传输过来的数据，并通过第一串口24存储至第一外部FLASH 21中；车身内部程序升级控制单元2还可以和其他灯具中的车身内部程序升级控制单元2组网，进行程序升级任务。
如图4所示，驱动器控制单元3是车灯软件功能实现的硬件主体，第三MCU 32(驱动器控制单片机)和车身内部程序升级控制单元2交互信息。第三MCU 32不断查询自身程序是否需要升级，并将此信息通过第二串口33传递给车身内部程序升级控制单元2的第二蓝牙接口23发送出去；如果程序升级数据传输完毕，驱动器控制单元3将第二外部FLASH 31中的数据搬运至第三MCU 32的第二内部FLASH，重启完成升级。
本实施例还提出一种具有新型车灯软件集群式升级控制***的车辆，外部人员将车身外部程序升级控制单元1接入众多待升级车辆中的一辆，车身外部程序升级控制单元1将待升级的文件数据通过车身内部程序升级控制单元2实时传送至驱动器控制单元3的第二外部FLASH 31中，驱动器控制单元3根据车身内部程序升级控制单元2 发出的所有升级的文件数据传输成功后，将第二外部FLASH 31中的数据更新到自身***内，重启完成升级后，内部程序升级控制单元2作为程序升级功能的发起者，完成其他车辆的软件升级任务，从而解决了汽车车灯软件现场大规模升级的繁重和复杂性，极大减轻了现场工作人员的工作量，提高了软件升级的效率。
在待升级汽车车灯数量众多的应用场合，只要将待升级的程序存储到手机里，通过手机APP启动升级任务，利用低功耗蓝牙技术将其中一辆车的车灯控制软件升级成功后，不用人工干预，这辆车就会自动搜索并升级周围软件未更新的汽车车灯，升级过程中不影响车灯正常工作；依次下去，升级成功的车灯会更新附近未更升级的汽车车灯，由此可完成大规模的汽车车灯软件升级工作，所有升级工作完成之后，可由手机APP检测升级是否成功，对于未来的车载软件升级有极大的借鉴意义和推动作用，具有很大的市场应用前景。
对本发明保护范围的限制，所属领域技术人员应该明白，在本发明的技术方案的基础上，本领域技术人员不需要付出创造性劳动即可做出的各种修改或变形仍在本发明的保护范围以内。

Claims (8)

  1. 新型车灯软件集群式升级控制***，它包括依次相连的车身外部程序升级控制单元(1)、车身内部程序升级控制单元(2)、驱动器控制单元(3)和车灯负载单元(4)，其特征在于：所述车身外部程序升级控制单元(1)负责发起程序升级并传输待升级文件数据，所述车身内部程序升级控制单元(2)负责接受并解析当前待升级的程序数据帧并将解析后的正确数据信息传输到所述驱动器控制单元(3)的第二外部FLASH(31)中，或者所述车身内部程序升级控制单元(2)作为后续程序升级的发起者；所述驱动器控制单元(3)将第二外部FLASH(31)中更新好的数据转移到自身第二内部FLASH中，重启后完成程序升级功能。
  2. 根据权利要求1的新型车灯软件集群式升级控制***，其特征在于：所述车身外部程序升级控制单元(1)与所述车身内部程序升级控制单元(2)之间使用包括BLE的相关协议；所述车身内部程序升级控制单元(2)与所述驱动器控制单元(3)之间使用UART串口总线协议。
  3. 根据权利要求1的新型车灯软件集群式升级控制***，其特征在于：所述车身外部程序升级控制单元(1)包括第一内部FLASH(11)、第一MCU(12)和第一蓝牙数据接口(13)，所述第一内部FLASH(11)负责存储待升级的文件数据；所述第一MCU(12)负责解析待升级的文件数据，并将文件数据拆分成帧后发送给所述第一蓝牙数据接口(13)；所述第一蓝牙数据接口(13)负责将所述第一MCU(12)解析并拆分的文件数据发送给所述所述内部程序升级控制单元(2)的 第二蓝牙数据接口(23)。
  4. 根据权利要求1的新型车灯软件集群式升级控制***，其特征在于：所述车身内部程序升级控制单元(2)包括第一外部FLASH(21)、第二MCU(22)、第二蓝牙数据接口(23)和第一串口(24)，所述第二蓝牙数据接口(23)负责接受外部传输过来的文件数据并传递给所述第二MCU(22)；所述第二MCU(22)负责解析接受的文件数据，并将格式正确的文件数据存储在所述第一外部FLASH(21)中；所述第一串口(24)负责所述车身内部程序升级控制单元(2)和所述驱动器控制单元(3)之间的通信，所述车身内部程序升级控制单元(2)通过第一串口(24)得知***软件是否需要升级的信息。
  5. 根据权利要求1的新型车灯软件集群式升级控制***，其特征在于：所述驱动器控制单元(3)包括第二外部FLASH(31)、第三MCU(32)和第二串口(33)，所述第二外部FLASH(31)负责存储待升级的文件数据；所述第三MCU(32)负责将所述第二外部FLASH(31)的文件数据复制到自身第二内部FLASH，并决定自身是否升级成功；所述第二串口(33)负责将所述驱动器控制单元(3)是否需要升级的信息发送出去。
  6. 车辆，其特征在于：具有权利要求1-5中任意一项所述的新型车灯软件集群式升级控制***。
  7. 根据权利要求6的车辆，其特征在于：所述车身内部程序升级控制单元(2)、所述驱动器控制单元(3)和所述车灯负载单元(4)作为一个整***于车身灯具内。
  8. 根据权利要求6的车辆，其特征在于：初次进行程序升级操作时，外部人员将所述车身外部程序升级控制单元(1)接入众多待升级车辆中的一辆，所述车身外部程序升级控制单元(1)将待升级的文件数据通过所述车身内部程序升级控制单元(2)实时传送至所述驱动器控制单元(3)的第二外部FLASH(31)中，所述驱动器控制单元(3)根据所述车身内部程序升级控制单元(2)发出的所有升级的文件数据传输成功后，将第二外部FLASH(31)中的数据更新到自身***内，重启完成升级后，所述内部程序升级控制单元(2)作为程序升级功能的发起者，完成其他车辆的软件升级任务。
PCT/CN2018/110029 2018-07-25 2018-10-12 新型车灯软件集群式升级控制***及具有该***的车辆 WO2020019530A1 (zh)

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