Wireless occupancy sensor with controllable light indicator
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Solution Overview
Problem
Existing HVAC systems lack efficient control mechanisms that integrate real-time occupancy and temperature data from multiple sensors to optimize heating and cooling operations, leading to suboptimal energy usage and comfort levels.
Innovation Solution
The development of wireless occupancy sensors that communicate with HVAC controllers, providing real-time occupancy status and temperature data, allowing the system to adjust heating and cooling settings dynamically based on occupancy and temperature readings from multiple sensors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If HVAC systems operate continuously without occupancy detection, then heating and cooling are always applied, but energy consumption increases unnecessarily
Solution Approach 1:
The system uses occupancy sensors to automatically detect presence and control HVAC operation without manual intervention. The sensor body with occupancy sensor, LED, wireless transceiver, and controller enables the system to self-regulate based on detected occupancy, eliminating the need for continuous manual control while reducing energy waste in unoccupied spaces.
Solution Approach 2:
The wireless occupancy sensor provides real-time feedback to the HVAC controller about occupancy status. The controller receives occupancy signals and temperature signals, processes this feedback information, and adjusts HVAC component operation accordingly, creating a closed-loop control system that optimizes energy usage based on actual conditions.
2Measurement precision
If multiple sensors are integrated into the HVAC controller, then control precision improves, but device complexity increases
Solution Approach 1:
The system separates the sensing function into a独立的 wireless occupancy sensor unit with its own controller, occupancy sensor, temperature sensor, LED, and wireless transceiver. This segmented architecture allows the sensor to collect and process occupancy and temperature data locally, then wirelessly transmit information to the main HVAC controller, reducing the complexity burden on the central control system while maintaining high measurement precision.
Solution Approach 2:
The wireless occupancy sensor acts as an intermediary device between the physical environment (occupancy and temperature conditions) and the HVAC control system. It collects data from occupancy and temperature sensors, processes this information locally, and transmits processed signals to the HVAC controller, simplifying the overall system architecture while enabling precise environmental monitoring and control.
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 solution enables more precise control of HVAC systems, improving energy efficiency and comfort by ensuring that heating and cooling are only applied when needed, based on actual occupancy and temperature conditions, thereby reducing energy consumption and enhancing user comfort.
Implementation Method 1
a light emitting diode (LED) that is housed by the sensor body
Data Source
AI summary
A wireless occupancy sensor that is configured to be deployed within a building space includes a sensor body, an occupancy sensor that is housed by the sensor body, a light emitting diode (LED) that is housed by the sensor body, a wireless transceiver that is housed by the sensor body and is configured to be in wireless communication with a remote device. A controller is housed by the sensor body and is operably coupled to the occupancy sensor, the LED and the wireless transceiver and is configured to receive via the wireless transceiver a request to illuminate the LED from the remote device and in response to receiving the request, illuminate the LED in order to help visually identify the wireless occupancy sensor in the building space.