Multi-Color LED Bar Status Display for Power Devices
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Solution Overview
Problem
Conventional power devices, such as solar inverters and UPS devices, often require monitoring personnel to physically approach the device to read operating statuses due to limited and inconvenient display methods, particularly when installed in elevated or remote locations, and rely on single-color LEDs which lack diversity in indicating different statuses.
Innovation Solution
A power device equipped with a central microprocessor and LED bar circuit that changes color and brightness to indicate power source and battery status, allowing for remote monitoring through breathing-like or chase patterns, enabling immediate status awareness without the need for multiple LEDs or physical proximity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If multiple single-color LEDs are used to display different operating statuses, then the display information completeness is improved, but the device complexity and space requirement increase
Solution Approach 1:
The patent combines multiple single-color LEDs into a single multi-color LED component that can display different operating statuses through color changes. This merging approach maintains complete status information display while reducing the number of individual LED components needed, thereby simplifying the device structure and reducing space requirements.
Solution Approach 2:
The patent utilizes the ability of a single LED to change its emission color by altering electrical parameters (such as applying different voltages to different anodes of a multi-color LED). This allows one LED component to perform the function of multiple LEDs, displaying various statuses like charging, discharging, and power on/off states through different colors without increasing device complexity.
2Loss of information
If multiple single-color LEDs are used to display different operating statuses, then the display information completeness is improved, but the space burden increases
Solution Approach 1:
The patent merges multiple LED components into a single integrated multi-color LED unit. This consolidation maintains the ability to display complete operating status information while significantly reducing the physical space required for the display, as one compact multi-color LED replaces what would otherwise require multiple separate LED components arranged in space.
Solution Approach 2:
The single multi-color LED component serves multiple functions by displaying different colors to indicate various operating statuses (charging, discharging, power states, etc.). This multi-functionality eliminates the need for multiple dedicated LEDs for different status indicators, thereby reducing the overall space burden while maintaining complete information display capability.
3Loss of information
If LCD display screen is used for showing operating status, then the information display capability is improved, but the ease of operation from distance is worsened
Solution Approach 1:
The patent employs color-changing LED indicators that can be clearly seen from a distance. By using different colors to represent different operating statuses (such as green for charging, red for discharging, yellow for power on), the system provides effective remote monitoring capability. The bright, distinct colors are visible from afar without requiring the observer to physically approach the device, thus improving ease of operation from distance while maintaining information display capability.
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
Enables convenient and immediate monitoring of power usage and device status from a distance, enhancing user experience by simplifying the display of complex information through a single LED or light strip, reducing the burden of space and inconvenience associated with traditional display methods.
Implementation Method 1
an LED bar circuit, electrically coupled to the central microprocessor
Implementation Method 2
a power conversion circuit, electrically coupled to the central microprocessor
Data Source
AI summary
A power device capable of displaying various statuses and a displaying method are provided. The power device includes: a central microprocessor, a power conversion circuit, an LED bar (or a light bar) circuit, and a battery pack. The central microprocessor intrinsically has color setting and control logic and is internally provided with a color setting and control logic circuit. The power device is externally connected to a utility power source, a solar photovoltaic power source, a backup battery pack, and a load. The color setting and control logic circuit enables the LED bar circuit to correspondingly emit LED light of at least two colors according to different power sources supplied to the load or a battery capacity, and the LED light is displayed in a breathing-like manner. The central microprocessor adjusts a breathing rate of the LED light according to a power consumption of the load.