Telematics Battery Switching for Inactive Equipment Reporting
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Solution Overview
Problem
Existing telematics devices face challenges in maintaining equipment battery health and telematics health during inactive states, leading to reduced duration of data reporting and potential battery depletion, which affects the prioritization of equipment maintenance.
Innovation Solution
A telematics device with a controller that adjusts transmission intervals based on equipment and device battery threshold voltages, switching from equipment to device battery power when voltage levels reach specific thresholds, and recharging the device battery during inactive states to extend reporting duration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the telematics device transmits wireless telematics signals at an interval of every 15 minutes during inactive equipment state, then telematics data reporting frequency is improved, but battery capacity is quickly depleted
Solution Approach 1:
The telematics device dynamically adjusts its transmission interval based on battery voltage thresholds. When voltage is above the first threshold, it transmits at the first interval (every 15 minutes). When voltage drops to the second threshold, it switches to a second interval that is less frequent, thereby adapting system behavior to energy availability and preventing complete battery depletion
Solution Approach 2:
The system changes the transmission interval parameter based on battery voltage conditions. The controller monitors battery voltage and modifies the reporting frequency parameter - using a first interval when voltage is sufficient and a second, less frequent interval when voltage is low, thus optimizing the balance between data reporting and energy conservation
2Power
If the telematics device uses equipment battery power during inactive state, then power availability is improved, but equipment battery health deteriorates
Solution Approach 1:
The device battery serves as an intermediary power source between the equipment battery and the telematics device. When the equipment battery voltage drops to the second threshold, the telematics device switches to using the device battery for power, allowing continued operation while protecting the equipment battery from deep discharge and preserving its long-term health
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
This approach extends the lifespan of both equipment and device batteries, maintaining telematics health and enabling longer data reporting durations, thus supporting equipment maintenance needs by balancing battery health and telematics reporting.
Implementation Method 1
The telematics device may include a device battery which may also be capable of powering the controller and telecommunication device
Implementation Method 2
recharge the device battery from the equipment battery
Data Source
AI summary
A telematics device for reporting data includes a controller, a device battery, and a transceiver to transmit telematics signals including data associated with equipment having a battery. During an inactive state of the equipment, (i) when the equipment battery voltage exceeds a first threshold, the transceiver transmits signals at a first interval powered by the equipment battery, (ii) when the equipment battery voltage fails to exceed the first threshold but exceeds a second threshold and the device battery voltage exceeds a device battery threshold, the transceiver transmits signals at a second interval powered by the device battery, and (iii) when the equipment battery voltage fails to exceed the first threshold but exceeds the second threshold and the device battery voltage fails to exceed the device battery threshold, the transceiver transmits signals at a third interval powered by the equipment battery, and the device battery recharges from the equipment battery.