CN215344632U - Vehicle-mounted FOTA remote upgrading system - Google Patents
Vehicle-mounted FOTA remote upgrading system Download PDFInfo
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- CN215344632U CN215344632U CN202121178616.XU CN202121178616U CN215344632U CN 215344632 U CN215344632 U CN 215344632U CN 202121178616 U CN202121178616 U CN 202121178616U CN 215344632 U CN215344632 U CN 215344632U
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Abstract
The utility model provides a vehicle-mounted FOTA remote upgrading system which is used for reducing the maintenance cost of vehicle-mounted software and comprises a FOTA server, a TSP platform, a download server, a PKI server and a vehicle-mounted upgrading triggering unit, wherein the TSP platform, the download server and the PKI server are respectively in communication connection with the FOTA server, the TSP platform, the download server and the PKI server are respectively in communication connection with a vehicle-mounted main control end, an FOTA upgrading module is integrated at the main control end, and the main control end is respectively connected with each functional unit to be upgraded. The vehicle-mounted FOTA remote upgrading system integrates the FOTA upgrading module in the main control end, when an upgrading task is configured on the FOTA server, the FOTA upgrading module automatically detects the task through the triggering of the upgrading triggering unit, the upgrading package is downloaded and verified safely, and after verification is completed, software upgrading can be respectively carried out on each functional unit to be upgraded according to the difference of the upgrading package.
Description
Technical Field
The utility model belongs to the technical field of automobiles, and particularly relates to an automobile remote upgrading system.
Background
Since the 21 st century, the automotive industry has faced numerous challenges, with the proliferation of pre-installed and downloaded software placing tremendous pressure on-board system software management. According to research reports, the number of code Lines (LOC) in automobiles is increased to 2-3 hundred million in the near future, and the total amount of software in electric automobiles is increased by 40-60%. Under the multiple challenges of high maintenance cost of vehicle-mounted software, long automobile manufacturing period, regional limitation of service and the like, the wireless updating of firmware provides an advanced solution for automobile manufacturers and first-level suppliers, and the solution can uniformly update, manage and improve the software performance of an automobile remote information processing unit, an Electronic Control Unit (ECU) and an information entertainment system (IVI) in a wireless mode.
Disclosure of Invention
The utility model aims to provide a vehicle-mounted FOTA remote upgrading system to reduce the maintenance cost of vehicle-mounted software.
The vehicle-mounted FOTA remote upgrading system comprises an FOTA server, a TSP platform, a download server, a PKI server and a vehicle-mounted upgrading trigger unit, wherein the TSP platform, the download server and the PKI server are respectively in communication connection with the FOTA server, the TSP platform, the download server and the PKI server are respectively in communication connection with a vehicle-mounted main control end, an FOTA upgrading module is integrated at the main control end, and the main control end is respectively connected with each functional unit to be upgraded.
The tsp (telematics Service provider) platform is an automobile remote Service provider, acquires data information from a vehicle-mounted terminal, a car factory Service platform, an operator platform and the like, and implements applications such as vehicle fault diagnosis, T Service transaction, vehicle-related information management and the like by analyzing and processing the data information, thereby providing all-around services such as vehicle information management, vehicle conditions, maintenance, vehicle control and the like for clients and users.
The Over-The-Air software upgrading of The FOTA (Firmware Over-The-Air) mobile terminal refers to that Firmware upgrading service is provided for equipment with a networking function through a cloud upgrading technology, a user obtains an intelligent terminal system upgrading package in an easily extensible mode according to needs by using a network, and cloud upgrading is carried out through The FOTA to finish system repair and optimization.
The download server is an intelligent virtual Network established on the basis of the existing Network, and by means of edge servers deployed in various places, users can obtain required Content nearby through functional modules of load balancing, Content distribution, scheduling and the like of a central platform, Network congestion is reduced, user access response speed and hit rate are improved, and key technologies of the CDN mainly include Content storage and distribution technologies.
A PKI (Public Key Infrastructure) server is a Key management platform conforming to a predetermined standard, and is capable of providing cryptographic services such as encryption and digital signature and a necessary Key and certificate management system for all network applications, and in brief, a PKI is an Infrastructure for providing security services, which is established by using Public Key theory and technology.
The vehicle-mounted FOTA remote upgrading system integrates the FOTA upgrading module in the main control end, when an upgrading task is configured on the FOTA server, the FOTA upgrading module automatically detects the task through the triggering of the upgrading triggering unit, the upgrading package is downloaded and verified safely, and after verification is completed, software upgrading can be respectively carried out on each functional unit to be upgraded according to the difference of the upgrading package.
Specifically, the master control end is an information entertainment domain and mainly comprises an instrument and a sound entertainment system; the upgrading trigger unit is an ignition switch or a touch panel; the functional unit comprises a remote communication gateway, a 360-degree panorama module, an engine management system, a gearbox controller, a wireless charging module and a multimedia control panel.
The specific upgrading process of the vehicle-mounted FOTA remote upgrading system is as follows:
1. configuration: basic information on an FOTA server is from a TSP platform, firstly, an upgrade task needs to be configured on the FOTA server and an upgrade package is uploaded to the FOTA server, the FOTA server sends the abstract of the upgrade package to a PKI server, the PKI signs the abstract by using a private key of the FOTA server and returns signature data to the FOTA server, and the FOTA server packs the signature data and the unsigned upgrade package into a signed upgrade package to be stored and synchronizes to CDN download servers of various regions;
2. and (3) detection: the vehicle end can trigger the upgrade task detection through an upgrade trigger unit (for example, actively inquiring the upgrade task through a touch panel, or actively detecting the upgrade task during each ignition and pushing the upgrade task by a server, and the like), the FOTA server matches the upgrade task according to the ECU version information reported by the vehicle-mounted main control end and issues the description information of the upgrade task, and all requests of the main control end are transmitted to the FOTA server through the PKI server;
3. downloading: the FOTA upgrading module firstly carries out identity authentication on the CDN download server, and then downloads an upgrading packet from the CDN download server through an HTTPS (hypertext transfer protocol secure protocol) secure channel according to an upgrading packet download address in the upgrading task information;
4. upgrading: the FOTA upgrading module combines and restores the differential packet and the current version complete packet backed up locally to generate a target complete packet, and sends the target complete packet to the corresponding functional unit for complete packet upgrading, or directly sends the differential packet to the functional unit needing differential upgrading for differential upgrading, and after all the functional units are upgraded, the upgrading result is collected and reported to the FOTA server.
The main control end is in communication connection with the functional units through the CAN network, so that in the upgrading process, the main control end CAN carry out software upgrading on the functional units on all the CAN networks through the CAN network.
The vehicle-mounted FOTA remote upgrading system is simple in structure, can remotely upgrade each vehicle-mounted functional unit, and can effectively reduce the maintenance cost of vehicle-mounted software.
Drawings
FIG. 1 is a schematic diagram of the vehicle FOTA remote upgrade system of the present invention.
Detailed Description
The following describes embodiments of the present invention, such as shapes and structures of respective members, mutual positions and connection relationships between respective portions, and actions and operation principles of the respective portions, in further detail, with reference to the accompanying drawings.
Example 1:
the embodiment provides a vehicle-mounted FOTA remote upgrading system to reduce the maintenance cost of vehicle-mounted software.
As shown in fig. 1, the vehicle-mounted FOTA remote upgrade system of this embodiment includes a FOTA server, and a TSP platform, a download server, a PKI server, and a vehicle-mounted upgrade trigger unit that are respectively in communication connection with the FOTA server, where the TSP platform, the download server, and the PKI server are respectively in communication connection with a vehicle-mounted main control end, the main control end is integrated with a FOTA upgrade module, and the main control end is respectively connected with each functional unit to be upgraded through a relay gateway and a CAN network.
In this embodiment, the main control end is an infotainment domain, and mainly includes an instrument and an audio entertainment system; the upgrading trigger unit is an ignition switch or a touch panel; the functional unit comprises a remote communication gateway, a 360-degree panorama module, an engine management system, a gearbox controller, a wireless charging module and a multimedia control panel.
The specific upgrading process of the vehicle-mounted FOTA remote upgrading system is as follows:
1. configuration: basic information on an FOTA server is from a TSP platform, firstly, an upgrade task needs to be configured on the FOTA server and an upgrade package is uploaded to the FOTA server, the FOTA server sends the abstract of the upgrade package to a PKI server, the PKI signs the abstract by using a private key of the FOTA server and returns signature data to the FOTA server, and the FOTA server packs the signature data and the unsigned upgrade package into a signed upgrade package to be stored and synchronizes to CDN download servers of various regions;
2. and (3) detection: the vehicle end can trigger the upgrade task detection through an upgrade trigger unit (for example, actively inquiring the upgrade task through a touch panel, or actively detecting the upgrade task during each ignition and pushing the upgrade task by a server, and the like), the FOTA server matches the upgrade task according to the ECU version information reported by the vehicle-mounted main control end and issues the description information of the upgrade task, and all requests of the main control end are transmitted to the FOTA server through the PKI server;
3. downloading: the FOTA upgrading module firstly carries out identity authentication on the CDN download server, and then downloads an upgrading packet from the CDN download server through an HTTPS (hypertext transfer protocol secure protocol) secure channel according to an upgrading packet download address in the upgrading task information;
4. upgrading: the FOTA upgrading module combines and restores the differential packet and the current version complete packet backed up locally to generate a target complete packet, and sends the target complete packet to the corresponding functional unit for complete packet upgrading, or directly sends the differential packet to the functional unit needing differential upgrading for differential upgrading, and after all the functional units are upgraded, the upgrading result is collected and reported to the FOTA server.
The utility model has been described in connection with the accompanying drawings, it is to be understood that the utility model is not limited in its application to the details of construction and the arrangement of the components set forth in the following description, as long as the utility model is capable of being practiced without modification in any way whatsoever, and is capable of other applications without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (4)
1. The vehicle-mounted FOTA remote upgrading system is characterized by comprising an FOTA server, a TSP platform, a download server, a PKI server and a vehicle-mounted upgrading trigger unit, wherein the TSP platform, the download server, the PKI server and the vehicle-mounted upgrading trigger unit are in communication connection with the FOTA server respectively, the TSP platform, the download server and the PKI server are in communication connection with a vehicle-mounted main control end respectively, an FOTA upgrading module is integrated at the main control end, and the main control end is connected with each functional unit to be upgraded respectively.
2. The vehicle FOTA remote upgrade system of claim 1, wherein said host is an infotainment domain.
3. The vehicle-mounted FOTA remote upgrade system according to claim 1, wherein the upgrade trigger unit is an ignition switch or a touch panel.
4. The vehicle FOTA remote upgrade system according to claim 1, wherein said functional units comprise a remote communication gateway, a 360-degree panorama module, an engine management system, a gearbox controller, a wireless charging module, and a multimedia control panel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121178616.XU CN215344632U (en) | 2021-05-29 | 2021-05-29 | Vehicle-mounted FOTA remote upgrading system |
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| CN202121178616.XU CN215344632U (en) | 2021-05-29 | 2021-05-29 | Vehicle-mounted FOTA remote upgrading system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114697358A (en) * | 2022-02-28 | 2022-07-01 | 智马达汽车有限公司 | Intelligent automobile FOTA upgrading system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114697358A (en) * | 2022-02-28 | 2022-07-01 | 智马达汽车有限公司 | Intelligent automobile FOTA upgrading system and method |
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