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New energy vehicle control module remote programming method

A technology for new energy vehicles and control modules, which is applied in the direction of data exchange, digital transmission system, and electrical components through path configuration. quick effect

Inactive Publication Date: 2018-11-13
DORCEN AUTO CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

The local flashing method requires maintenance personnel to visit the site in person, and the cost is relatively high. The remote flashing method at this stage also has the risk of flashing failure

Method used

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Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0012] The specific implementation manner of the present invention will be further described in detail through the description of the best embodiment below.

[0013] The remote flashing of the new energy vehicle intelligent controller program requires the T-box to be able to download the remote program through GPRS; other intelligent ECUs (electronic control units) have the CAN network communication function; if the vehicle has multiple CAN buses, a certain ECU has the function of network routing; it is necessary to solve the data communication between multiple ECUs during the flashing process.

[0014] (1) T-box communicates with the server, receives the ECU program sent by the server, downloads it locally through 4G / 3G signal, checks the integrity of the program after the download is completed, and then transmits the flashing program to the CAN network; If the program is complete, transmit the flashing program to the CAN network, and the ECU receives the data on the CAN netw...

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Abstract

The invention discloses a new energy vehicle control module remote programming method. A vehicle T-box achieves communication with a remote server, receives ECU software updating programs sent by theremote server, verifies the completeness of the updating programs after downloading the programs to the local and transmits the programming programs to a CAN network if the programs are complete, andECUs receive data on the CAN network to achieve software updating programming; and if the programs are incomplete, the remote server retransmits programming programs to allow the T-box to receive theprogramming programs, and the T-box re-downloads the updating programming programs. The method has the advantages that a function of detecting the completeness of the programming programs is added tothe T-box, therefore, it is effectively guaranteed that the remote programming programs can be completely downloaded to the local to be stored, and the problem that the programming programs are downloaded incompletely due to the fact that a network signal of the T-box interrupts, but ECU program programming is executed is avoided.

Description

technical field [0001] The invention relates to the technical field of new energy vehicles, in particular to a method for remotely flashing a control module of a new energy vehicle. Background technique [0002] In recent years, with the rapid development of the Internet of Vehicles industry, new energy vehicles have more intelligent advantages than traditional fuel vehicles, making them gradually popular among the public, and their market share is also growing exponentially. New energy vehicles use the three electric systems (VCU, BMS, MCU) as the core control module to realize the intelligent management of the whole vehicle. After the sales of new energy vehicles, it is sometimes necessary to upgrade the software of the intelligent control module to obtain a better driving experience. The local flashing method requires maintenance personnel to visit the site in person, and the cost is relatively high. The remote flashing method at this stage also has the risk of flashing ...

Claims

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Application Information

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IPC IPC(8): H04L29/08H04L12/40
CPCH04L12/40006H04L67/06H04L67/12H04L67/34H04L2012/40215H04L2012/40273
Inventor 吴建中姜剑吴潇朱琛琦方谊茂
Owner DORCEN AUTO CO LTD
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