Vehicle Detection Sensor for Movable Barrier Operator Energy Control
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Solution Overview
Problem
Existing home automation and energy management systems lack flexibility and accuracy in determining user presence, leading to inefficient energy usage, unnecessary device operation, and user frustration, as they often rely on manual intervention or simplistic timing mechanisms that fail to distinguish between occupants and vehicles.
Innovation Solution
A movable barrier operator system that uses sensors to detect vehicle presence within a secured area, allowing for the control of service-providing devices such as thermostats and security systems without moving the barrier, enabling automatic adjustments based on vehicle presence or absence, thereby optimizing energy usage and preventing undesirable operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual intervention is used to control devices, then user convenience is improved, but energy efficiency deteriorates due to forgotten adjustments and unnecessary operation
Solution Approach 1:
The system enables devices to automatically adjust their operation based on vehicle detection. The controller autonomously determines occupancy status and controls service-providing devices without requiring manual user intervention, allowing the system to serve itself by making intelligent decisions about energy usage patterns
Solution Approach 2:
The sensor provides continuous feedback about vehicle presence to the controller, which then adjusts device operation accordingly. This closed-loop feedback mechanism ensures that devices are operated only when needed, preventing energy waste while maintaining user convenience through automatic responsiveness to changing conditions
2Loss of energy
If automatic timing mechanisms are used to control devices, then energy efficiency is improved, but measurement precision deteriorates due to inability to distinguish between occupants and vehicles
Solution Approach 1:
The system replaces simplistic mechanical timing mechanisms with an optical or electromagnetic sensor-based detection system. The sensor detects vehicle presence through physical characteristics (such as metal detection, optical reflection, or dimensional changes) rather than relying on time-based assumptions, enabling accurate distinction between actual occupancy and vehicle presence
Solution Approach 2:
The sensor acts as an intermediary between the physical presence of vehicles and the control system. It translates physical vehicle characteristics into detectable signals that the controller can interpret, enabling precise occupancy determination without requiring direct mechanical interaction or time-based inference
3Ease of operation
If service-providing devices are operated continuously, then user convenience is improved, but energy consumption increases unnecessarily
Solution Approach 1:
The system dynamically adjusts device operation based on real-time vehicle detection data. Instead of continuous operation, devices are activated or deactivated according to the actual presence of vehicles, creating a dynamic control pattern that maintains user convenience when needed while eliminating unnecessary energy consumption during unoccupied periods
Solution Approach 2:
The controller changes operational parameters of service-providing devices based on detected vehicle presence. When vehicles are detected, devices are activated with appropriate settings; when no vehicles are present, devices are deactivated or placed in energy-saving modes, optimizing the balance between convenience and energy usage through parameter adjustment
Data Source
AI summary
A movable barrier operator controls access to a secured area which houses vehicles. The movable barrier operator is operable to move a movable barrier from an open to a closed position. A sensor controls the operation of a service-providing device through the controller of a movable barrier operator or by direct communication to a controller for the service-providing device. The sensing device senses whether a vehicle is present in the secured area. The sensor is operatively connected to the moveable barrier operator and is used to control the operation of at least one service-providing device without necessarily effecting movement of a barrier by the movable barrier operator. Operation of the service-providing device is effected upon sensing whether a vehicle is present in the secured area to effect an operation of the service-providing device.