Adaptive Temperature Control for Electronic Devices
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Solution Overview
Problem
Existing temperature control methods for electronic devices with cooling fans consume unnecessary power and generate heat due to continuous operation during stable temperature conditions, and previous solutions that adjust measurement intervals based on temperature changes can lead to prolonged intervals and higher peak temperatures.
Innovation Solution
An electronic device with a temperature control unit that stores past temperature measurements, determines temperature trends, and adjusts measurement intervals and cooling fan rotation speeds accordingly, shortening intervals when temperatures rise and lengthening when they stabilize within a normal range.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If the cooling fan operates continuously or periodically to control temperature, then the temperature of electronic components is maintained within operating limits, but unnecessary power is consumed and heat is generated by the rotation speed control unit
Solution Approach 1:
The patent applies periodic action by implementing variable measurement intervals for temperature monitoring. Instead of continuous or fixed periodic operation, the system dynamically adjusts the interval between temperature measurements based on current temperature conditions. When temperature is stable and within normal range, measurement intervals are extended; when temperature rises, intervals are shortened. This reduces the operational frequency of the rotation speed control unit, thereby reducing power consumption while maintaining effective temperature control.
2Use of energy by moving object
If the measurement interval is extended when temperature is stable, then power consumption is reduced, but the temperature at which the cooling fan operates at maximum speed becomes higher
Solution Approach 1:
The patent applies dynamics by making the measurement interval adaptive rather than fixed. The system dynamically adjusts the measurement interval based on real-time temperature conditions. When temperature is stable and within the normal range, the interval is extended to save power. When temperature rises or exceeds the normal range, the interval is shortened to detect temperature changes more frequently. This dynamic adjustment ensures that peak temperatures are detected and responded to promptly, preventing excessive temperature rise while still allowing extended intervals during stable conditions to reduce power consumption.
Solution Approach 2:
The patent implements feedback by continuously monitoring temperature and using this information to adjust the measurement interval. The system measures temperature, compares it with the normal range, and based on this feedback, determines whether to extend or shorten the next measurement interval. This closed-loop feedback mechanism ensures that the measurement strategy adapts to actual temperature conditions, preventing both unnecessary measurements (which would increase power consumption) and missed temperature rises (which would increase peak temperature).
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 approach enables more efficient and stable temperature control by reducing unnecessary power consumption and maintaining stable temperatures, avoiding prolonged measurement intervals during stability and minimizing peak temperatures.
Implementation Method 1
a cooling fan 300A to 300D... move air in the device... air cooling is performed
Implementation Method 2
a temperature sensor 600... measure temperatures inside the device... temperature measured continuously or periodically by the temperature sensor
Data Source
AI summary
An object of the present invention is to provide an electronic device in which a temperature control using a cooling fan can be made more efficiently and more stably and a method for controlling temperature of a device.The device includes the fan, a measurement unit, and a control unit which controls a rotation speed of the fan based on the measured temperature. The control unit stores a plurality of measured temperatures and a normal temperature range for each measurement unit, determines the presence or absence of a temperature increasing trend, shortens a time interval when it is determined that increases, determines whether or not the plurality of temperatures are included in the normal range when it is determined that does not increase, prolongs when the all are included in the normal range, and does not change when at least one is not included in the normal range.