Tracking Transportable Wireless Transmitters in Process Plants

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Solution Overview

Problem

In industrial settings, especially in hydrocarbon production and processing plants, existing wireless transmission devices for sensor data are often not transportable, prone to misplacement, or confused with other devices, hindering system monitoring, diagnostics, and troubleshooting due to the lack of a reliable method for tracking and locating these devices.

Innovation Solution

A system comprising a transportable wireless transmission device that can receive and transmit sensor data and component-specific information using RFID and GPS, allowing for the mapping and tracking of components within a plant layout, enabling efficient localization and maintenance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If wireless transmission devices are made transportable to improve flexibility and reduce cabling costs, then ease of operation and cost are improved, but the devices become susceptible to misplacement, loss, and confusion with other devices

Engineering Contradiction:
ImprovetransportabilityVSAvoiddevice location tracking
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The patent introduces location tracking devices as intermediaries between the transportable wireless transmission devices and the central repository. These tracking devices attach to the movable wireless devices and provide continuous location information, mediating the problem of device misplacement while maintaining transportability.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The system implements feedback by continuously monitoring the location of wireless transmission devices through tracking devices and communicating this information to the central repository. This feedback mechanism allows operators to know the real-time status and location of each device, preventing misplacement and enabling quick recovery if devices are lost.

Inventive Principle:
Principle #23Feedback

2Reliability

If wired data transmission is used to ensure reliable data transmission, then reliability is improved, but cabling costs and commissioning time increase

Engineering Contradiction:
Improvedata transmission reliabilityVSAvoidcabling infrastructure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent replaces the mechanical cabling system with wireless transmission technology. Wireless transmission devices communicate with the central repository through wireless signals, eliminating the need for physical cables, junction boxes, and trenches while maintaining data transmission functionality.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The wireless transmission devices perform multiple functions: they transmit sensor data wirelessly, provide location information through integrated tracking, and enable both permanent and temporary monitoring applications. This multi-functionality consolidates what would otherwise require separate wired infrastructure and tracking systems.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Ease of manufacture

If wireless transmission devices are used to reduce cabling costs and commissioning time, then ease of manufacture and installation are improved, but tracking and monitoring of device locations becomes difficult

Engineering Contradiction:
Improveinstallation simplicityVSAvoiddevice location detection
Core Design Contradiction:
Ease of manufactureVSDifficulty of detecting and measuring

Solution Approach 1:

The location tracking device is nested within or attached to the wireless transmission device, forming an integrated unit. This nesting approach allows the tracking functionality to travel with the wireless device, enabling continuous location detection without adding separate external tracking infrastructure.

Inventive Principle:
Principle #7Nested doll (Nesting)

Solution Approach 2:

The system creates a digital copy or representation of the physical device location through the tracking device. The tracking device captures and transmits location information that replicates the physical position of the wireless transmission device in the digital monitoring system, enabling easy location detection and mapping.

Inventive Principle:
Principle #26Copying

Data Source

PatentUS9584957B2Tracking wireless transmitters in process locations
Publication Date: 2017.02.28 EXXONMOBIL UPSTREAM RESEARCH COMPANY(US)
  • US9584957B2 patent drawing
  • US9584957B2 patent drawing
  • US9584957B2 patent drawing

AI summary

A system for wirelessly monitoring a property in a process, comprising a sensor data device for providing sensor data relating to the process a memory device comprising information, wherein the information comprises transmission information, a transportable wireless transmission device configured to receive the sensor data and the information, interpret the transmission information, and transmit the sensor data, the information, or both to a receiving station using the transmission information, and a temporary mounting position in proximity to the memory device for temporarily positioning the transportable wireless transmission device.