UPS Display Device with Signal Bus for Modular Monitoring
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Solution Overview
Problem
Current modularized UPS systems require additional display screens for monitoring, leading to space wastage and inconvenience due to potential display failures, which can disrupt power supply monitoring.
Innovation Solution
A UPS display device with a signal bus connecting power supply modules, display units, and control units, allowing for single machine or system display modes, reducing the need for extra displays and enhancing flexibility by enabling operation message sharing across multiple modules.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If additional display screens are installed for monitoring UPS operation messages, then monitoring capability is improved, but space consumption increases
Solution Approach 1:
Each power supply module's display unit is designed to perform multiple functions: it can display operation messages for its own module (single machine display mode) or for the entire UPS system (system display mode). This multi-functionality eliminates the need for separate dedicated display screens, as each display unit can serve both module-specific and system-wide monitoring needs, thereby reducing overall space consumption while maintaining comprehensive monitoring capability.
Solution Approach 2:
The patent merges the function of individual module monitoring and system-wide monitoring into a single integrated display unit within each power supply module. By combining these previously separate functions into one display unit that can switch between display modes, the system reduces the total number of display screens required, thus reducing space consumption in the machine shelf while preserving complete monitoring capability.
2Reliability
If additional display screens are installed for monitoring, then monitoring coverage is improved, but device complexity increases
Solution Approach 1:
The display unit is designed with multi-functionality to display both single machine operation messages and system operation messages. This eliminates the need for separate dedicated display screens for different monitoring purposes, thereby reducing device complexity while maintaining comprehensive monitoring coverage across all power supply modules.
Solution Approach 2:
The display unit dynamically switches between single machine display mode and system display mode based on control signals from the control interface. This dynamic capability allows a single display unit to adapt to different monitoring needs, replacing what would traditionally require multiple static display screens, thus reducing overall device complexity while preserving complete monitoring coverage.
3Ease of operation
If each power supply module has its own display screen, then individual module monitoring is improved, but space usage increases
Solution Approach 1:
Each power supply module's display unit is designed to serve dual purposes: monitoring the specific module's operation messages and monitoring system-wide operation messages. This universality allows individual module monitoring to be achieved without requiring additional dedicated display screens, as each display unit can independently display its module's status or switch to display system status, thereby reducing space usage while maintaining ease of individual module monitoring.
4Reliability
If display screens are made redundant across modules, then system reliability is improved, but device complexity increases
Solution Approach 1:
The display unit is designed with universal display capability to show both single machine operation messages and system operation messages. This multi-functionality creates a form of redundancy where each display unit can back up the monitoring function for the entire system, not just its own module. This approach improves system reliability through functional redundancy while avoiding the complexity of adding multiple independent display systems.
Data Source
AI summary
The present invention provides an uninterruptible power supply display device which includes a signal bus and a plurality of power supply modules each having a power supply unit, a display unit and a control unit. The plurality of power supply modules electrically connect with the signal bus. The control unit on each power supply module simultaneously electrically connects with the power supply unit, the display unit and the signal bus. Each display unit can be operated under a single machine display mode or a system display mode. When under the single machine display mode, the display unit displays the operation message of the corresponding power supply module. When under the system display mode, the display unit generates a system display screen to display the operation messages of the plurality of power supply modules.