Water Heater Timer Control to Reduce Continuous Flow Waste
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Solution Overview
Problem
Conventional water and energy management systems in water provision systems, such as those using heat pumps, face inefficiencies in heating water to desired temperatures and lack effective mechanisms to detect and prevent unnecessary water and energy usage, leading to waste.
Innovation Solution
A control module with machine learning algorithms and sensors is integrated into the water provision system to monitor and adjust water flow and temperature based on object presence, detect continuous usage, and generate reports, utilizing a combination of electric heating elements and heat pumps with phase change materials for thermal energy storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If heat pumps are used to heat water, then energy efficiency is improved, but heating time increases
Solution Approach 1:
The system performs preliminary heating actions by detecting object presence in advance and pre-heating water before it is actually needed. The control module monitors sensor data to determine when objects (e.g., hands, bodies) are approaching or present at water outlets, and initiates heating提前, so that hot water is ready when the user actually needs it, reducing the perceived waiting time while maintaining heat pump energy efficiency
Solution Approach 2:
The system dynamically adjusts heating operations based on real-time sensor feedback. The control module continuously monitors object presence, water temperature, and usage patterns, and dynamically modulates the heat pump operation and water flow to optimize both energy efficiency and response time, adapting to changing conditions rather than operating at fixed parameters
2Ease of operation
If water flow is increased to meet demand, then user satisfaction is improved, but water and energy waste increases
Solution Approach 1:
The system implements feedback control by using sensors to detect object presence and continuously monitoring water outlet usage. The control module receives sensor signals and adjusts water flow and heating operations in real-time based on actual usage conditions. When objects are detected, the system increases water flow and heating to meet demand; when objects are absent, it reduces or stops flow, preventing waste while maintaining user satisfaction during actual use
Solution Approach 2:
The system provides self-service by automatically detecting user presence and adjusting water supply without manual intervention. The sensors and control module work together to autonomously determine when water should be supplied at what flow rate, eliminating the need for users to manually adjust taps or switches, thereby maintaining convenience while preventing waste during absent periods
3Speed
If conventional heating elements are used, then heating speed is improved, but energy efficiency deteriorates
Solution Approach 1:
The system merges heat pump technology with electric heating elements into a hybrid heating system. The heat pump provides efficient base heating for bulk water heating, while electric heating elements provide supplemental fast heating when rapid temperature increase is needed. The control module intelligently coordinates both heating sources, using the heat pump for energy-efficient operation and the electric elements for speed enhancement, achieving both energy efficiency and heating speed simultaneously
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 reduces energy and water consumption by dynamically adjusting water flow and temperature in real-time, preventing waste by automatically turning off unnecessary heated water supply and providing usage data for habit modification, while maintaining efficient heating through heat pumps.
Implementation Method 1
A heat pump is a device that transfers thermal energy from a source of heat to a thermal reservoir. Thermal energy from the air (e.g, outside air, or air from a hot room in the house) or a ground source (e.g, ground loop or water filled borehole) is extracted by a receiving heat exchanger and transferred to a contained refrigerant.
Implementation Method 2
The now higher energy refrigerant is compressed, causing it to raise temperature considerably, where this now hot refrigerant exchanges thermal energy via a heat exchanger to a heating water loop.
Implementation Method 3
aerated showers and taps to reduce water flow
Implementation Method 4
showers and taps equipped with motion sensors that stop the flow of water when no motion is detected
Data Source
AI summary
A heater arrangement system for a water provision system for controlling a water supply provided to a water outlet, the water outlet being arranged to provide heated water to a user, the heater arrangement system comprising: a water heating device disposed remotely from the water outlet; and a control unit communicatively coupled to the water heating device, the control unit being configured to a) set a timer to begin counting from an initial time value, upon detection that the water outlet has been opened, and b) initiate a warning if an elapsed time of the timer has passed a first threshold time value.