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Communication protocol system applicable to battery parameter remote monitoring of pure electric vehicle

A pure electric vehicle and battery parameter technology, applied in the direction of electric vehicle charging technology, electric vehicles, transmission systems, etc., can solve the problems of complex hierarchical structure, complex protocol implementation procedures, and inapplicable remote monitoring of battery parameters of pure electric vehicles, etc., to achieve Easy to use, simple and clear protocol

Inactive Publication Date: 2010-01-20
BEIJING JIAOTONG UNIV
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  • Claims
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AI Technical Summary

Problems solved by technology

Most of the commonly used standard communication protocols are a complete set of protocols with complex hierarchical structures and complex implementation procedures for writing protocols. Therefore, commonly used standard communication protocols are not suitable for remote monitoring of battery parameters of pure electric vehicles.

Method used

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  • Communication protocol system applicable to battery parameter remote monitoring of pure electric vehicle

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Embodiment 1

[0037] Embodiment 1: According to the communication protocol system applicable to the remote monitoring of battery parameters of pure electric vehicles according to the present invention, when the various protocols of the system are implemented, all data are expressed in the form of characters. According to the present invention, in each protocol frame, the content length of "vehicle number" is 4 bytes, which is composed of 0-9 characters, and each character occupies one byte. For example, the vehicle number is 8001. The content length of "date time" is 14 bytes, composed of year (4 bytes), month (2 bytes), day (2 bytes), hour (2 bytes), minute (2 characters) section), seconds (2 bytes), such as 20090713091234, which means 9:12:34 on July 13, 2009; the content of "Confirmation Information" is "REC" and the length is 3 bytes; the content of "Time Period" The length is 6 bytes, consisting of hours (2 bytes), minutes (2 bytes), and seconds (2 bytes); the length of the "check" con...

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Abstract

The invention relates to a communication protocol system which is applicable to battery parameter remote monitoring of a pure electric vehicle and comprises a complete set of communication protocols which includes 13 protocol modules in total. The protocol system defines encoding methods and frame formats of the voltage and extreme values of a single battery and temperature parameters of a battery chamber for carrying out wireless transmission between a vehicle and a monitoring center; the monitoring center can automatically identify whether the sorts of the received battery parameters and parameter data are accurate or not and also can remotely correct the communication parameters of the vehicle, thereby achieving the goal of remotely monitoring the battery parameters of the pure electric vehicle in the monitoring center; in addition, both the vehicle and the monitoring center can automatically detect whether a wireless communication link between the vehicle and the monitoring center is connected normally or not, namely, the vehicle and the monitoring center can detect the disconnection of the communication link when the communication link is off for week communication signals and the like. Since the communication protocol system has complete protocol stack, the wireless data exchange between the monitoring center and the pore electric vehicle can be carried out timely, stably, and reliably.

Description

technical field [0001] The invention relates to a communication protocol system for remote monitoring, in particular to a communication protocol system for wireless remote monitoring of a large number of battery parameters when a pure electric vehicle is running. Background technique [0002] At present, with the reduction of petroleum energy all over the world, compared with traditional energy, new energy generally has the characteristics of less pollution and large reserves, which is of great significance for solving the serious environmental pollution and resource (especially fossil energy) depletion problems in the world today. Pure electric vehicles use batteries instead of petroleum as the power source for vehicles. It is a new energy vehicle, and the production and use of new energy in the automobile industry, which is one of the pillar industries of the national economy, is undoubtedly of great significance. [0003] Different from ordinary fuel vehicles, the perform...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06B60L3/00
CPCY02T90/16
Inventor 毕军关伟黄爱玲卫振林
Owner BEIJING JIAOTONG UNIV
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