Wall Switch Occupancy Sensor With AC-DC Motion Alarm Integration
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Solution Overview
Problem
Conventional lighting-control and motion-sensing technologies require separate sensors for energy management and security systems, leading to redundancy and increased installation complexity in buildings.
Innovation Solution
Integration of a low-voltage motion sensing alarm with a high-voltage light source within a standard wall switch box, utilizing a voltage conversion component to generate DC voltage from AC, enabling motion detection and alarm signaling, with wireless transmission capabilities for security and energy control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate sensors are used for lighting control and security systems, then each function can be performed independently, but installation complexity increases and redundancy occurs
Solution Approach 1:
The patent combines separate lighting control sensors and security motion sensors into a single integrated occupancy sensor device. This unified device uses a single sensor assembly that can detect both lighting control conditions and security motion events, eliminating the need for multiple separate sensors and reducing installation complexity while maintaining functional independence through software-based function separation.
Solution Approach 2:
The integrated occupancy sensor is designed to perform multiple functions including lighting control, security motion detection, and energy management within a single device. The sensor assembly and processing unit can be configured to serve different purposes based on system requirements, providing universal applicability across both lighting and security applications without requiring separate specialized sensors.
2Adaptability or versatility
If multiple separate devices are installed for lighting and security, then each device can be optimized for its specific function, but redundancy increases and cost increases
Solution Approach 1:
The patent merges multiple separate devices into a single integrated occupancy sensor that handles both lighting control and security functions. This consolidation reduces the quantity of devices installed in buildings while maintaining the ability to perform function-specific optimizations through configurable software and processing logic that can be tailored to each application's requirements.
Solution Approach 2:
The single occupancy sensor device is designed with universal multi-functionality, capable of serving both lighting control and security detection roles. The device incorporates configurable parameters and processing algorithms that allow it to be optimized for specific functions based on system configuration, eliminating redundancy while preserving function-specific performance through software-based adaptability.
3Ease of manufacture
If conventional separate systems are used, then installation follows standard procedures, but energy efficiency and security controls require separate infrastructure
Solution Approach 1:
The patent combines lighting control and security control infrastructure into a single integrated occupancy sensor device that can be installed using standard procedures. The unified device eliminates the need for separate infrastructure installations by consolidating sensor assemblies, processing units, and communication interfaces into one package that replaces multiple separate devices, thereby simplifying installation while maintaining ease of manufacture through adherence to standard installation practices.
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 integration provides a cost-effective, single-device solution for energy efficiency and security controls, simplifying installation and reducing redundancy by combining functions within a standard wall switch box, while maintaining high power conversion efficiency and security features.
Implementation Method 1
a voltage conversion component that converts an AC voltage to a DC voltage
Implementation Method 2
a motion sensing component that detects, from the wall switch box using the DC voltage, a motion of an object
Implementation Method 3
a wireless transmitter component that transmits, using the DC voltage, alarm signals from the wall switch box
Data Source
AI summary
Integrating a direct current (DC) voltage motion sensing alarm with an alternating current (AC) voltage light source is presented herein. An apparatus can include a voltage conversion component that generates, within a wall switch box, a DC voltage from an AC voltage that is higher in magnitude than the DC voltage, and a motion sensing component that detects, from the wall switch box using the DC voltage, a motion of an object. The motion sensing component can detect the motion using an infrared and/or ultrasonic based DC sensor. The apparatus can further include a security component that generates, from the wall switch box using the DC voltage, an alarm signal and/or wireless alarm signal based on the motion, and a power component that switches, from the wall switch box using the DC voltage based on the motion, the AC voltage from a first contact to a second contact.