Wireless industrial process field device with multiple transceivers

By deploying multiple radio transceivers and antenna arrays in industrial process field equipment, using multi-core radio technology, the power limit and interference problems of wireless communication in industrial process are solved, and high reliability and high performance wireless communication is achieved.

CN119731951APending Publication Date: 2025-03-28ROSEMOUNT INC
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Patent Information

Application Number
CN202380011401.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2023-08-24
Filing Date
2023-08-25
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

In the industrial process, existing wireless communication technology faces problems such as power limitations, interfering electrical signals and RF signals blocking, resulting in increased communication difficulty and it is difficult for existing systems to achieve high reliability and high performance wireless communication.

Method used

Using multi-core radio technology, multiple RF communication links are formed by deploying multiple radio transceivers in field devices, and using antenna arrays and multi-transceiver configurations, the optimal communication links and protocols are selected to improve communication reliability and performance.

Benefits of technology

Through multi-core radio technology, the reliability and performance of wireless communications in complex industrial environments are achieved, the sensing and control capabilities of process variables are enhanced, power consumption is reduced, and the capacity and flexibility of the system are improved.

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Abstract

A wireless industrial process field device (200) includes a process interface element (212) configured to interface with a process fluid and control or sense a process variable of the process fluid. The controller (204) is configured to control operation of the process interface element (212). The RF circuit board (244) includes a plurality of RF transceivers (212) carried on the RF circuit board (244), each RF transceiver configured to transmit and / or receive an RF signal carrying information related to the process variable. A plurality of antennas (214) are carried on the RF circuit board (244) and form an antenna array. Each antenna of the plurality of antennas (214) is coupled to at least one RF transceiver of the plurality of RF transceivers (212). Each antenna of the plurality of antennas (214) has a different antenna pattern. A controller (204) controls operation of the plurality of RF transceivers (212) to communicate with a remote device through an antenna array pattern formed by transmitting RF signals via a plurality of antenna patterns of the plurality of antennas (214).
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