Universal Wireless Transceiver for Sensor Networks
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Solution Overview
Problem
Existing process control systems face challenges with multiple hardwired connections between sensors and test and measurement instruments, which are time-consuming, costly, and error-prone, limiting the accuracy and extent of process variable measurement and control.
Innovation Solution
A wireless transceiver system with microprocessor and communication circuitry that enables wireless communication between sensors and test and measurement devices, allowing for multiple sensors to transmit data and control signals without physical connections, using technologies like ZigBee for reliable and efficient data exchange.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If hardwired connections are used between sensors and test and measurement instruments, then reliable data transmission is achieved, but installation time and complexity increase
Solution Approach 1:
The patent replaces the mechanical hardwired connection system with a wireless communication system. The test and measurement instrument includes wireless communication circuitry that enables radio frequency data transmission with sensors, eliminating the need for physical cable connections while maintaining reliable data transmission capabilities.
2Adaptability or versatility
If multiple sensors are connected via hardwired connections, then comprehensive process monitoring is achieved, but system complexity and cost increase
Solution Approach 1:
The patent implements a universal wireless communication interface in the test and measurement instrument that can accommodate multiple types of sensors through standardized wireless protocols. This multi-functional wireless interface allows diverse sensors to be connected without requiring separate hardwired connection systems for each sensor type, thereby reducing overall system complexity.
3Reliability
If hardwired connections are used for sensor data transmission, then stable signal delivery is achieved, but maintenance difficulty increases
Solution Approach 1:
The patent substitutes the mechanical hardwired connection system with wireless communication, eliminating physical connection points that require maintenance. The wireless signal transmission maintains stable signal delivery without the wear and tear associated with repeated cable connections and disconnections, thereby simplifying maintenance operations.
Data Source
AI summary
A wireless transceiver includes a microprocessor for processing signals and communication circuitry coupled to the microprocessor. The communication circuitry includes input/output circuitry for receiving signals from a plurality of wireless devices over a wireless communication path, for providing the signals to the microprocessor, and for transmitting processed signals from the microprocessor to the plurality of wireless devices. The input/output circuitry of the transceiver includes a non-wireless connection coupling the wireless transceiver to a test and measurement device. The test and measurement device receives the processed signals from the microprocessor, processes the received signal and data and/or information encoded therein, and performs a predetermined response thereto.