Method and device for realizing purpose of binding positions of CAN bus sensors

Abstract

The invention relates to the technical field of sensors, in particular discloses a method and a device for realizing the purpose of binding the positions of CAN bus sensors. The method comprises the following steps: sequentially controlling a plurality of sensors to be accessed to a CAN bus network, wherein the CAN data frame of each sensor has corresponding characteristic identification, and the characteristic identification of the CAN data frame of each sensor is unique in the whole CAN bus network; receiving the CAN data frame sent by each sensor in the accessing process of each sensor; acquiring the characteristic identification of each CAN data frame; and establishing the binding relation between each sensor and each installing position corresponding to the currently binding position according to each characteristic identification. The invention can be used for automatically establishing binding relation between a plurality of CAN bus sensors and each of installing positions on one CAN bus, thereby meeting the requirement for applying CAN bus sensors in a complex control system.

Description

technical field [0001] The invention relates to the technical field of sensors, in particular to a method and device for realizing the position binding of CAN (Controller Area Network, Controller Area Network) bus sensors. Background technique [0002] With the development of science and technology, people put forward higher and higher requirements for equipment. Nowadays, there is no longer a big gap in the realization of the basic functions of equipment. The competition between equipment is more and more reflected in its own intelligent control level. up and down. The improvement of equipment intelligence makes the application of sensors more and more in-depth. [0003] At present, various smart sensors have gradually entered people's sight. The so-called smart sensor refers to a sensor with a microprocessor, which has the functions of information detection and information processing. The biggest feature of smart sensors is to organically integrate the function of senso...

AI Technical Summary

Problems solved by technology

[0008] 1. The number of CAN bus sensors of the same type that can be connected is limited. Generally speaking, the number of CAN bus interfaces of the controller is between 1 and 2, which limits the use of the same type of CAN bus sensors in the system, especially For complex control systems

Moreover, due to the limitation of the number of CAN interfaces, its application range and scalability are very limited

[0009] 2. For complex control systems, multiple CAN bus networks are required, and each CAN bus network is independent, the wiring is complicated, and the reliability is not high

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