Image-Processing Heater DC Power Switching for Condensation Control
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Solution Overview
Problem
Existing image-processing apparatuses face energy inefficiencies and performance variability due to fluctuations in ambient temperature, leading to condensation and operational failures, despite using DC power supplies that do not account for varying operational states.
Innovation Solution
An image-processing apparatus with DC power supplies that dynamically adjust their operation states based on the driving states of heaters to minimize surplus power consumption, incorporating a controller to manage power distribution efficiently.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If power is supplied from a DC power supply to multiple heaters, then the temperature management effectiveness is improved, but the power consumption increases excessively
Solution Approach 1:
The power supply unit dynamically switches between operation states (first operation state with higher power output and second operation state with lower power output) based on the number of heaters requiring power. This dynamic adjustment allows the system to provide sufficient power when multiple heaters are needed while reducing power consumption when fewer heaters are active, resolving the contradiction between temperature management effectiveness and power consumption.
Solution Approach 2:
The system changes the power supply parameters by switching between different operation states with different total consumed power levels. When the number of driven heaters exceeds a threshold, the system transitions to the first operation state; otherwise, it operates in the second operation state. This parameter change enables adaptive power management that balances heating effectiveness with energy conservation.
2Reliability
If the heater is run continuously to prevent condensation, then the reliability is improved, but the energy waste increases
Solution Approach 1:
Instead of continuous operation, the heater operates periodically based on actual demand. The control unit determines whether the heater should be driven based on the operation state of the image-forming apparatus and the number of heaters requiring power. This periodic activation approach maintains operational reliability by providing heating when needed while avoiding energy waste during periods when heating is not required.
Solution Approach 2:
The system uses its own operational state information and environmental conditions to automatically determine when heating is necessary. The control unit monitors the apparatus state and activates heaters only when condensation risk is present, allowing the system to self-regulate heating operations based on actual needs rather than continuous operation, thereby reducing energy waste while maintaining reliability.
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
Enhances energy conservation and reduces wasteful power consumption by optimizing power supply states according to heater usage, thereby preventing condensation-related failures and improving operational efficiency.
Implementation Method 1
a heater is installed in an apparatus to manage the temperature within the apparatus
Data Source
AI summary
There is provided an image-processing apparatus including: one or more heaters; a power supply unit including at least one direct current power supply, the power supply unit being configured to operate in one of a plurality of operation states having respective different total consumed powers; one or more drive circuits configured to drive the one or more heaters, respectively, using power supplied from the at least one direct current power supply; and a controller configured to control, on the basis of a driving state of the one or more heaters, the power supply unit to operate in an operation state selected such that a surplus of the total consumed power is reduced.