A device and method for data interaction between a starburst wireless module and a CAN bus

By establishing a bidirectional data communication and protocol conversion mechanism between the StarScan wireless module and the CAN bus, the problems of complex wiring and high maintenance costs between multiple CAN bus networks are solved, achieving efficient and reliable data interaction, which is suitable for industrial control scenarios.

CN122340436APending Publication Date: 2026-07-03ZHEJIANG ZHIKONG TECH CO LTD
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Applications(China)
Current Assignee / Owner
ZHEJIANG ZHIKONG TECH CO LTD
Filing Date
2026-04-14
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

In existing technologies, communication between multiple CAN bus networks is complicated by wiring and high maintenance costs. Furthermore, existing wireless extension solutions have significant latency, making it difficult to meet the real-time and reliability requirements of industrial control scenarios.

Method used

By establishing a bidirectional data communication and protocol conversion mechanism between the StarSpark wireless module and the CAN bus, data interaction is achieved using the StarSpark wireless interface module, the CAN bus interface module, and the main control conversion circuit module. This includes a first processing loop and a second processing loop, which perform data conversion and encapsulation. It supports shadow identifier replacement and differential encapsulation recovery algorithms, constrained time window merging and offset-length boundary recovery algorithms, etc.

Benefits of technology

It enables stable and accurate wireless data interaction between different CAN network devices, reduces wiring complexity and maintenance costs, and balances high wireless communication quality, low transmission latency and reliable data interaction, making it suitable for the real-time and reliability requirements of industrial control scenarios.

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Abstract

This invention relates to the field of communication technology, providing a data interaction device and method between a StarSpark wireless module and a CAN bus. The device includes a StarSpark wireless interface module for receiving wireless extended messages from a target workstation data interaction device, or sending wireless extended messages generated by a main control conversion circuit module to the target workstation data interaction device; a CAN bus interface module for receiving CAN signals from a local CAN bus network or sending CAN signals to the local CAN bus network and performing level conversion; and a main control conversion circuit module connected to both the StarSpark wireless interface module and the CAN bus interface module, used for data conversion processing between the local CAN bus network and the StarSpark wireless network. By establishing a bidirectional data communication and protocol conversion mechanism between the StarSpark wireless network and the CAN bus, wireless data interaction between different CAN network devices is achieved, reducing the complexity and maintenance costs of cross-workstation wiring, while also achieving high wireless communication quality and low transmission latency.
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