Centralized Charging Cabinet with Isolation Area
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Solution Overview
Problem
The existing electric vehicle charging systems suffer from low space utilization due to the distributed arrangement of rectifying equipment, power distribution stations, and control apparatus, which complicates design and safety.
Innovation Solution
A centralized charging cabinet is introduced, featuring an isolation transformer in an isolation area and charging units in a charging area, with connections located at the back region to enhance space utilization and safety through high-voltage area isolation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If rectifying equipment, power distribution station and control apparatus are arranged in a distributed manner, then each component can be independently designed and maintained, but the space utilization is low and the system complexity increases
Solution Approach 1:
The patent combines the isolation transformer and charging unit into a single integrated charging cabinet structure. The isolation transformer is placed in the isolation area while the charging unit is placed in the charging area, merging multiple components that were previously distributed into one centralized unit. This reduces the overall space required while maintaining functional independence through internal area separation.
Solution Approach 2:
The charging cabinet is divided into distinct isolation area and charging area with clear spatial separation. The isolation area houses the isolation transformer while the charging area houses the charging units. This segmentation allows independent design and maintenance of each functional zone while achieving centralized space utilization.
2Ease of manufacture
If rectifying equipment, power distribution station and control apparatus are arranged in a distributed manner, then each component has its own casing requirements, but the design requirements for casing become more complex and material costs increase
Solution Approach 1:
Multiple components (isolation transformer and charging units) that previously required separate casings are now housed within a single charging cabinet structure. This eliminates the need for multiple independent casing designs and reduces overall material requirements while maintaining functional independence through internal area separation.
3Device complexity
If high-voltage areas are not isolated, then the structure is simpler, but the safety of the charging system is compromised
Solution Approach 1:
The charging cabinet is segmented into an isolation area containing the isolation transformer and a charging area containing the charging units. This spatial segmentation physically isolates high-voltage areas from low-voltage areas, ensuring safety while maintaining a relatively simple overall structure. The connection between areas is established through controlled connection structures at the back region.
4Ease of operation
If connection structures are located at the front region, then access is easier, but the isolation of high-voltage areas is compromised and safety is reduced
Solution Approach 1:
Instead of placing the connection structures at the front region for easy access, the connection structures are inverted to the back region of the charging area. This positioning maintains high-voltage area isolation by keeping connection points away from the front access area, while still providing operational access through the rear of the unit.
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 configuration improves space utilization, reduces design complexity and material costs for the charging unit casing, and enhances safety by isolating high-voltage areas, allowing for easier maintenance and installation.
Implementation Method 1
an isolation transformer, provided in the isolation area; and at least one charging unit, provided in the charging area, where each of the charging unit is electrically connected to a secondary winding of the isolation transformer
Data Source
AI summary
The present disclosure provides a centralized charging cabinet, including: a charging cabinet, provided with an isolation area and a charging area therein; an isolation transformer, provided in the isolation area; and at least one charging unit, provided in the charging area, where each of the charging unit is electrically connected to a secondary winding of the isolation transformer through a plurality of first connection structures, and the plurality of first connection structures are located at a back region of the charging area. In the centralized charging cabinet, the isolation transformer is provided in the isolation area inside the charging cabinet, the charging unit is provided in the charging area inside the charging cabinet, which realizes a centralized layout of the isolation transformer and the charging unit and improves the space utilization.