Processor Thermal Mitigation via Dynamic Voltage and Periodic Fan Control
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Solution Overview
Problem
Image processing apparatuses face challenges in efficiently cooling heat generated by components like CPUs and image processing boards, leading to performance deterioration and reduced lifespan, with existing cooling methods like heat sinks and fans causing noise and dust accumulation issues.
Innovation Solution
An image processing apparatus with a controller that adjusts operating voltage and enables mode changes to manage temperature, including reducing voltage, resetting modules, and activating a ventilation fan, to efficiently cool the processor while minimizing fan operation and noise.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a fan is used to cool the processor, then cooling efficiency is improved, but noise and dust accumulation increase
Solution Approach 1:
The fan operates periodically based on temperature thresholds rather than continuously. The controller activates the fan only when the processor temperature exceeds a predetermined threshold and deactivates it when the temperature returns to a safe range, thereby reducing noise and dust accumulation while maintaining effective cooling when needed.
Solution Approach 2:
The system uses temperature detection feedback to control fan operation. The sensor continuously monitors processor temperature and provides feedback to the controller, which adjusts fan operation accordingly - activating the fan when temperature is high and deactivating it when temperature is acceptable, thus optimizing the balance between cooling efficiency and minimizing harmful effects.
2Productivity
If the processor operates at high speed, then processing performance is improved, but heat generation increases
Solution Approach 1:
The system dynamically adjusts processor operating modes based on temperature conditions. The controller can switch between different operation modes - high performance mode when temperature is acceptable and reduced performance mode when temperature exceeds thresholds - allowing the system to optimize between processing speed and thermal management.
Solution Approach 2:
The system changes operational parameters such as processor clock speed or power consumption levels based on temperature feedback. When the processor temperature approaches dangerous levels, the controller reduces the operating parameters to lower heat generation, and increases them when temperature is acceptable, thus balancing performance and thermal management.
3Temperature
If continuous cooling is implemented, then processor temperature is maintained low, but energy consumption increases
Solution Approach 1:
Instead of continuous cooling, the system uses periodic cooling interventions. The fan operates only when temperature exceeds a threshold and remains inactive when temperature is within acceptable ranges, significantly reducing energy consumption while maintaining processor temperature within safe operating limits.
Solution Approach 2:
The cooling system is designed to be self-regulating based on temperature conditions. The sensor and controller automatically determine when cooling is needed and when it can be stopped, eliminating the need for continuous external energy input while ensuring the processor operates within safe temperature parameters.
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
This solution effectively reduces processor temperature, prolongs apparatus lifespan, and minimizes noise and dust-related cooling inefficiencies by strategically managing voltage and fan usage based on temperature thresholds.
Implementation Method 1
a sensor configured to detect a temperature of the processor
Implementation Method 2
control the power supply to supply a lower level operating voltage to at least one of the one or more processing modules
Implementation Method 3
a ventilation fan configured to be driven to cool the processor
Data Source
AI summary
An image processing apparatus and control method is provided. The image processing apparatus includes a processor including one or more processing modules configured to process data, a power supply configured to supply an operating voltage to the one or more processing modules in a normal operation mode, a sensor configured to detect a temperature of the processor, and a controller configured to change the processor from the normal operation mode to one of a first operation mode and a second operation mode according to the temperature detected by the sensor, control the power supply to supply a lower level operating voltage to at least one of the one or more processing modules when the processor is in the first operation mode, and reset or disable at least one processing module selected from the one or more processing modules when the processor is in the second operation mode.