Electrical Cabinet Cooling Solution Determination
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Solution Overview
Problem
It is challenging to determine an optimized cooling solution for electrical cabinets that minimizes electrical consumption, as existing methods often oversize refrigeration units due to difficulties in anticipating refrigeration needs and evaluating the most efficient architectural configurations for temperature maintenance in thermal zones.
Innovation Solution
A method and system for determining an optimized cooling solution for electrical cabinets, involving a device that characterizes cooling needs based on the cabinet's specific features, selects appropriate cooling systems, and chooses the layout and dimensions of air circulation openings to minimize energy consumption by regulating temperatures in distinct thermal zones.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If cooling units are oversized to ensure adequate cooling capacity, then temperature control reliability is improved, but energy consumption increases
Solution Approach 1:
The patent applies preliminary action by performing thermal simulations and cooling requirement assessments during the cabinet design phase. The method calculates the actual cooling needs based on the specific architectural configuration, electrical equipment distribution, and thermal zones before the cabinet is built, enabling selection of appropriately sized cooling units rather than oversized ones.
Solution Approach 2:
The patent utilizes parameter changes by varying the architectural configuration parameters (partition plans, air circulation opening positions and dimensions) in thermal simulations to determine their impact on cooling requirements. This allows optimization of both the cabinet architecture and cooling unit sizing to achieve reliable temperature control with minimal energy consumption.
2Use of energy by moving object
If architectural configuration is optimized to reduce cooling needs, then energy consumption decreases, but design complexity increases
Solution Approach 1:
The patent applies segmentation by dividing the cabinet interior into distinct thermal zones with different temperature requirements. The method separately analyzes cooling needs for each zone and optimizes the architectural configuration (partition plans, air circulation openings) for each zone, making the complex optimization problem manageable and systematic.
Solution Approach 2:
The patent utilizes feedback by using thermal simulation results to evaluate the performance of different architectural configurations. The simulation provides feedback on temperature distribution and cooling requirements, which is then used to iteratively optimize the cabinet architecture, reducing design complexity through a systematic evaluation process.
3Reliability
If thermal zones are separated to optimize device operation, then device efficiency is improved, but cooling system complexity increases
Solution Approach 1:
The patent applies local quality by creating distinct thermal zones with different temperature characteristics tailored to the specific thermal requirements of electrical devices in each zone. The method optimizes air circulation opening positions and dimensions locally for each zone, allowing devices to operate at optimal efficiency without requiring a complex centralized cooling system.
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 approach allows for the selection of the most energy-efficient cooling solution, reducing electricity consumption by optimizing the cooling power necessary for maintaining optimal operating temperatures in electrical cabinets.
Implementation Method 1
air circulation openings arranged in the separation plane at predetermined positions and with predetermined dimensions, said air circulation openings being adapted to a cooling system of the electrical cabinet
Implementation Method 2
characterize a cooling requirement of the electrical cabinet from said data and said accessibility criteria
Data Source
Figure 1~2
Figure 3
Figure 4
AI summary
This method (100) is intended for determining a cooling solution for an electrical cabinet (1) in which a plurality of electrical functional units (22) are housed, arranged according to a separation plane (P).It is implemented by computer and comprises the following steps: - characterization (120) of the cooling requirement of the electrical cabinet (1), - deduction (130) of a distribution coefficient of the cooling requirement between a first and a second thermal zone (E1, E2) of the electrical cabinet (1) separated from each other by the separation plane (P), - selection (140) of a cooling system (30) to cool the electrical cabinet (1), - choice (150) of an arrangement of the cooling system (30) on at least one external wall (10, 11, 12, 13, 14, 15) of the electrical cabinet (1), and - evaluation (160, 170) of the need to form a lower air circulation opening (29A) in a lower half of the separation plane (P) and, if so, of the position and dimensions of this lower air circulation opening (29A).