Wired remote controller and power saving method therefor
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Solution Overview
Problem
The increased power consumption of wired remote controllers connected to indoor units, particularly due to the use of TFT LCD displays and high-speed microcomputers, can lead to insufficient power supply in the indoor units, affecting their operation.
Innovation Solution
A wired remote controller with a processor that adjusts its display panel brightness based on the power capacity of the indoor unit and total connected controllers, reducing power consumption by decreasing brightness when the load exceeds a critical range and increasing it when within the range, and adjusting communication cycles and waiting times to conserve power.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If TFT LCD display and high-speed microcomputer are used in wired remote controller, then processing speed and display quality are improved, but power consumption increases
Solution Approach 1:
The remote controller dynamically adjusts display brightness based on operational state and power availability. The processor varies brightness levels to match the power consumption capacity of the connected indoor unit, allowing high-performance components to operate at reduced power levels when necessary while maintaining full performance when power is充足
Solution Approach 2:
The system changes the brightness parameter of the display panel based on power consumption calculations. By adjusting this physical parameter, the remote controller optimizes power usage while maintaining acceptable display quality, resolving the contradiction between high-performance components and power consumption limits
2Ease of operation
If wired remote controller is connected to indoor unit, then control functionality is improved, but power capacity of indoor unit becomes insufficient
Solution Approach 1:
The remote controller receives power consumption information from the indoor unit and uses this feedback to adjust its own power consumption. The processor calculates the difference between the indoor unit's power capacity and its power consumption, then adjusts display brightness accordingly, creating a closed-loop feedback system that balances power usage
Solution Approach 2:
The remote controller autonomously manages its own power consumption by adjusting display brightness based on power availability. The system independently calculates power margins and makes real-time adjustments without external intervention, enabling the control functionality to operate within power constraints
3Adaptability or versatility
If multiple wired remote controllers are connected to indoor unit, then user convenience is improved, but total power consumption increases
Solution Approach 1:
Multiple remote controllers share the power consumption burden by coordinating their display operations. When one controller is actively used, other controllers reduce or turn off their displays, merging their power consumption patterns to stay within the total power capacity of the indoor unit while still providing multi-user access
Data Source
AI summary
A wired remote controller is provided. The wired remote controller includes a display panel, a wired interface that is connected to an indoor unit by wire, a memory in which information on a power capacity for each indoor unit model is stored, and a processor that receives power from the indoor unit through the wired interface and communicates with the indoor unit through the wired interface, wherein the processor is configured to receive information on power consumption of the indoor unit through the wired interface, identify a power capacity corresponding to the indoor unit based on the information on the power capacity stored in the memory, and adjust the brightness of the display panel based on the identified power capacity and the received power consumption of the indoor unit.