Trailer Telematics Light Failure Detection System
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Solution Overview
Problem
Current systems lack an effective method for real-time monitoring and reporting of lighting device failures on trailers, which can lead to roadside service calls and downtime, as they do not efficiently detect voltage and current anomalies in LED lighting systems.
Innovation Solution
A telematics system with a light failure detection system integrated into the trailer's electrical system, utilizing a microcontroller to monitor voltage and current levels, adjust thresholds based on temperature, and transmit fault information to a master control unit for remote monitoring and reporting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If voltage and current monitoring circuits are added to detect lighting failures, then reliability of lighting system is improved, but device complexity increases
Solution Approach 1:
The patent combines multiple monitoring functions (voltage monitoring, current monitoring, temperature sensing) into a single integrated control unit that manages all lighting circuits. This consolidation improves reliability through comprehensive monitoring while mitigating complexity by centralizing control logic in one microcontroller rather than distributing separate monitoring systems throughout the trailer.
Solution Approach 2:
The patent introduces a master control unit as an intermediary between the power source, lighting circuits, and monitoring systems. This central controller coordinates voltage monitoring, current monitoring, and temperature sensing operations, enabling reliable fault detection while simplifying the overall system architecture by providing a single point of control rather than multiple independent monitoring systems.
2Measurement precision
If real-time monitoring of all lighting circuits is implemented, then detection precision of failures is improved, but use of energy increases
Solution Approach 1:
The patent implements periodic monitoring of voltage and current levels in lighting circuits rather than continuous monitoring. The microcontroller cycles through each lighting circuit at predetermined intervals to check for failures, which maintains adequate detection precision for safety-critical applications while significantly reducing energy consumption compared to continuous real-time monitoring of all circuits simultaneously.
Solution Approach 2:
The patent monitors voltage and current parameters with higher precision than minimum requirements when failures are detected, allowing the system to use enhanced measurement capabilities selectively. Normal operation uses standard monitoring thresholds, but when anomalies are detected, the system increases measurement frequency and precision to confirm failures, optimizing energy use while maintaining high detection precision when needed.
3Measurement precision
If temperature compensation for current thresholds is implemented, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The patent dynamically adjusts current monitoring thresholds based on temperature readings from the temperature sensor. As temperature changes affect the electrical characteristics of LED circuits, the microcontroller modifies the acceptable current ranges accordingly. This parameter adjustment improves measurement precision by accounting for environmental variations, while the complexity is managed through software-based threshold modification rather than additional hardware circuits.
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
The system provides real-time awareness of lighting failures, reducing roadside service calls and downtime by enabling immediate detection and reporting of faults, allowing for proactive maintenance and minimizing operational disruptions.
Implementation Method 1
The master control unit includes a solar panel
Implementation Method 2
a GPS receiver module
Implementation Method 3
A system for monitoring a trailer having a plurality of light emitting diode devices
Data Source
AI summary
A system for monitoring a trailer having a plurality of light emitting diode devices includes a master control unit attached to an outside surface of the trailer. The master control unit includes a solar panel, a GPS receiver module, a cellular data transceiver module for communicating with a central tracking computer via a cellular data network interfaced to the Internet, and a local wireless network master transceiver module in wireless communication with a plurality of wireless sensors and a light out detection system. A microcontroller is provided for controlling the local wireless network master transceiver module to periodically obtain sensor data from the wireless sensors and light out detection system, and for controlling the cellular data transceiver module to transmit the location and the sensor data to the central tracking computer for storage in the tracking database.