UPS Input Module Layout for Narrower Multi-Module Cabinets
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Solution Overview
Problem
Existing uninterruptible power supply devices with multiple modules experience an increase in width due to the inclusion of input modules, leading to space inefficiencies and installation challenges.
Innovation Solution
The design incorporates AC and DC input wires with cable attachment portions arranged in a specific configuration, separated in a direction perpendicular to the modules' adjacency, along with offsetting these attachments for improved accessibility and reduced width, allowing for easier installation and maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an input module is provided between the AC power supply and multiple uninterruptible power supply modules, then the device can receive and distribute electric power from the AC power supply, but the width of the entire uninterruptible power supply device increases in the direction where the modules and input module are adjacent
Solution Approach 1:
The patent repositions the AC input cable attachment portions from a lateral arrangement (increasing width in the first direction) to a front-rear arrangement (separated in the second direction). This dimensional change allows the input module to be integrated without increasing the overall width of the device, as cables attach to the front and rear faces rather than extending the side profile.
2Reliability
If multiple AC input wires are provided with cable attachment portions, then electric power can be input to multiple uninterruptible power supply modules, but the attachment portions need to be separated by aerial insulation distance which increases device width
Solution Approach 1:
The patent separates multiple AC input cable attachment portions in the second direction (front-rear direction) rather than the first direction (lateral direction). This allows the required aerial insulation distance to be maintained between attachment portions while not increasing the width of the input module in the first direction, as the separation occurs along the depth axis of the device.
Data Source
AI summary
This uninterruptible power supply device includes an input module provided with a plurality of conductor wires having a plate shape including at least a plurality of AC input wires, and an uninterruptible power supply module. In addition, the plurality of AC input wires each extend in an X direction in which the uninterruptible power supply module and the input module are adjacent to each other, and have AC input cable attachment portions in which an AC input cable is attached. The AC input cable attachment portions are disposed so as to be separated from each other in a Y direction, which is a direction in which a front side and a rear side of the input module face each other.