Wireless Dielectric Fluid Detection in Utility Enclosures
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current methods for detecting dielectric fluid leaks in high-voltage equipment are inadequate, as they require physical inspection and cannot differentiate between dielectric fluid and water, nor can they transmit results wirelessly, especially when power is not available within the utility enclosure.
Innovation Solution
A system comprising a sensor assembly with capacitance and pressure sensors that can detect the presence of dielectric fluid and water, transmit readings wirelessly, and differentiate between the two, using a processor and transmitter to calculate and report fluid levels, with a power source for autonomous operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If physical inspection methods are used to detect dielectric fluid leaks, then detection can be performed with simple equipment, but the detection process requires manual intervention and cannot provide real-time monitoring
Solution Approach 1:
The sensor assembly autonomously performs detection, processing, and wireless transmission of fluid presence data without requiring manual inspection. The system self-monitors dielectric fluid and water levels, automatically compares sensor readings with array data, and transmits results wirelessly, eliminating the need for human operators to physically inspect utility enclosures.
Solution Approach 2:
The patent replaces manual physical inspection with an automated electronic sensing system. Capacitance sensors and pressure sensors substitute for human visual and physical examination, while wireless transmission eliminates the need for operators to access enclosed spaces, transforming a mechanical inspection process into an automated electronic monitoring system.
2Device complexity
If traditional detection methods are used, then equipment can be simple, but they cannot differentiate between dielectric fluid and water presence
Solution Approach 1:
The detection system is divided into specialized sensor components: capacitance sensors for detecting dielectric fluid presence and pressure sensors for detecting water presence. Each sensor type is optimized for detecting specific fluid properties, allowing the system to differentiate between dielectric fluid and water through comparative analysis of readings from each sensor type.
Solution Approach 2:
The system detects different fluid types by measuring changes in physical parameters: capacitance values change when dielectric fluid is present, while pressure values change when water is present. By monitoring these parameter changes and comparing them against threshold values, the system accurately identifies and differentiates between dielectric fluid and water presence in utility enclosures.
3Adaptability or versatility
If wireless transmission is implemented without line power availability, then operational flexibility increases, but power supply becomes a critical constraint
Solution Approach 1:
The sensor assembly operates in periodic cycles, alternating between sleep mode to conserve power and active measurement mode to collect data. The microcontroller periodically activates sensors, processes readings, and transmits data wirelessly only when needed, rather than continuously operating all components. This periodic operation enables the system to function without line power by minimizing energy consumption while maintaining detection capabilities.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables reliable detection and differentiation of dielectric fluid and water levels within utility enclosures, transmitting results wirelessly, even without line power, thereby facilitating timely maintenance and reducing environmental contamination.
Implementation Method 1
The sensor assembly has an array of capacitance sensors extending into the utility enclosure to an area where fluids are expected to be present
Implementation Method 2
Dielectric fluids (DF) are used as electrical insulators in high voltage applications
Implementation Method 3
The sensor assembly also has a pressure sensor that can detect the total pressure of the fluids in the enclosure
Data Source
AI summary
A system is disclosed for detecting the presence of dielectric fluids and water in a utility enclosure. The system includes a sensor assembly that may be installed in the utility enclosure. The sensor assembly has an array of capacitance sensors extending into the utility enclosure to an area where the fluids are expected to be present. The sensor assembly also has a pressure sensor that can detect the total pressure of the fluids in the enclosure. The reading from both sensors can be feed to a processor and a transmitter that sends the readings wirelessly to a receiver assembly. The receiver assembly includes a wireless receiver, a second processor connected to the wireless receiver and a display. The processor may process the readings from the sensors to calculate and report the levels of fluids in the enclosure.