Communication Device Independent Power Control Standby
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Solution Overview
Problem
Existing communication devices with network communication functions face challenges in reducing power consumption during the stand-by state, as the network microcomputer needs to remain powered on, leading to insufficient power savings.
Innovation Solution
A communication device configuration with a main control part, a first network control part, a sub control part, and a second network control part, where power supplies to each part are independently controlled, allowing the network communication function to be enabled in the stand-by state while minimizing power consumption by selectively turning off high-power components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the network microcomputer is kept on in stand-by state to enable network communication function, then network communication capability is maintained, but power consumption cannot be reduced sufficiently
Solution Approach 1:
The control system is divided into multiple independent control parts (main control part, sub control part, first network control part, second network control part) that can be independently powered on or off. This segmentation allows the network communication function to be maintained by keeping only the necessary network control parts active while turning off other parts, thus resolving the contradiction between maintaining network capability and reducing power consumption.
Solution Approach 2:
The power state of each control part is made dynamic and adjustable based on operational needs. The system can transition between different power states (fully on, partially on, fully off) by independently controlling the power supply to each control part, allowing optimal balance between network communication capability and power consumption in stand-by state.
2Use of energy by moving object
If multiple control parts are used to enable independent power control, then power consumption can be reduced, but device complexity increases
Solution Approach 1:
The system is segmented into four distinct control parts with independent power control, allowing selective activation based on operational requirements. This segmentation enables fine-grained power management where only necessary components remain active, reducing overall power consumption despite the increased number of control units.
Solution Approach 2:
Each control part is designed to be multi-functional, handling various control tasks within its domain. The main control part manages overall system coordination, the sub control part handles basic operations, and the network control parts manage network communications. This multi-functionality reduces the need for additional specialized components, balancing complexity with functionality.
Data Source
AI summary
A communication device includes a main control part configured to receive and process an image signal; a first network control part configured to convert data input from an external device into the image signal and provide the main control part with the image signal; a sub control part configured to detect a power-on command; and a second network control part configured to control communications with the external device via a network to provide the first network control part with data input from the external device. Power supplies to the main control part, the sub control part, the first network control part and the second network control part are independently controlled.