Sauna Heating Power Allocation for Peak Load Control
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Solution Overview
Problem
Current sauna power control systems lack efficient methods for allocating power across multiple heating devices within a sauna facility, leading to inefficient energy usage and potential load peaks during operation.
Innovation Solution
A power allocation method utilizing a power control unit (PCU) that determines the base and operating power needed for each heating device based on operator priority, adjusts power distribution to avoid exceeding maximum power limits, and incorporates features like preheating, energy storage, and user requests to optimize energy usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If multiple heating devices are operated simultaneously at full power, then the heating performance and temperature maintenance are improved, but the energy consumption increases and load peaks occur
Solution Approach 1:
The patent applies local quality by assigning different priority levels to different heating devices based on their location and importance. High-priority devices (e.g., in frequently used saunas) receive full power allocation, while low-priority devices receive reduced power or delayed activation. This selective power distribution maintains temperature in critical areas while reducing overall energy consumption and avoiding load peaks.
Solution Approach 2:
The system dynamically adjusts power allocation to heating devices based on real-time conditions such as current temperature, humidity, usage patterns, and available power capacity. The controller continuously monitors system state and modifies power distribution accordingly, enabling flexible response to changing demands while preventing excessive energy consumption and load peaks.
2Ease of operation
If power is allocated based on operator priority, then the operational necessity and user satisfaction are improved, but the system complexity increases
Solution Approach 1:
The patent segments the power allocation system into distinct priority levels (e.g., high, medium, low priority) for different heating devices. Each priority level has predefined power allocation rules and activation thresholds. This segmentation simplifies the control logic by creating discrete, manageable categories rather than requiring continuous complex optimization calculations, making the system easier to implement and operate.
Data Source
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AI summary
The invention discloses a method, and a device for allocating power across heating devices (HDs) located within an area of a sauna facility. The method comprises, preferably in this order, the following steps: determining if the at least two HDs located within the area of the sauna facility are turned on (S202); and identifying an operator priority allocated to each of the at least two turned on HDs (S203); where, when it is determined that the at least two HDs located within the area of the sauna facility are turned on, calculate a respective base value power needed to be provided to each respective HD to achieve and maintain a base value of temperature and/or humidity in surrounding of the each respective HD (S204), where a value of each of the respective base value power is determined based on the operator priority allocated to the respective HD, and wherein a sum of the each of the respective base value power needed to be provided to the at least two turned on HDs should not exceed a predetermined maximum power value.