External Cooling Control for Heat During Charging and Data Exchange
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Solution Overview
Problem
Portable electronic devices experience performance degradation due to heat buildup during charging and data exchange with stationary devices, which can be exacerbated by concurrent usage of multimedia functions.
Innovation Solution
An electronic device with a cooling function that includes a housing design with angled portions, openings for air intake and discharge, and an electric fan motor to effectively dissipate heat, along with a control circuit for monitoring temperature and adjusting cooling levels based on detected heat levels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the portable electronic device performs charging and data exchange functions while resting on the stationary electronic device, then the functionality and productivity are improved, but heat generation increases causing performance degradation
Solution Approach 1:
A cooling device is introduced as an intermediary between the portable electronic device and the stationary electronic device. The cooling device includes a cooling member that contacts the portable device to conduct heat away, and a wind blowing member that generates airflow to dissipate heat from the portable device, thereby mediating the thermal interaction during charging and data exchange operations
Solution Approach 2:
The heat dissipation function is extracted as a separate, dedicated cooling device rather than being integrated into the stationary electronic device itself. This allows the cooling functionality to be independently controlled and optimized without affecting the charging or data exchange operations
2Adaptability or versatility
If the portable electronic device concurrently executes multimedia functions during charging, then the versatility and ease of operation are improved, but heat generation is aggravated
Solution Approach 1:
The cooling device is activated in advance or concurrently with charging operations to prevent heat buildup before it causes performance degradation. The control unit monitors the operation state and activates the cooling member and wind blowing member proactively when charging or multimedia functions are detected
Solution Approach 2:
The cooling device serves as a thermal intermediary that allows the portable device to execute multiple functions simultaneously by actively managing heat dissipation, thereby enabling versatile operation without the harmful thermal effects
3Temperature
If the cooling device activates the electric fan motor to discharge air, then the cooling effectiveness is improved, but the device complexity and energy consumption increase
Solution Approach 1:
The wind blowing member is configured to blow air toward specific regions where heat dissipation is most needed, rather than providing uniform cooling throughout. The control unit adjusts the operation intensity based on detected heat levels, applying partial cooling action only when and where necessary
Solution Approach 2:
The cooling device utilizes natural convection and the device's own operational heat as the cooling source. The electric fan motor is only activated when necessary, and the system uses the heat generated during normal operation as the target for cooling, making the cooling process self-regulating to an extent
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
The solution efficiently dissipates heat generated during charging and data exchange, enhancing the reliability and performance of portable electronic devices by actively managing cooling levels based on temperature monitoring.
Implementation Method 1
an electric fan motor disposed in a space between the first cover and the second cover, and the electric fan configured to discharge at least part of intake air from at least some of the first openings to at least some of the second openings
Implementation Method 2
a wireless charging circuit disposed between the electric fan motor and the second cover
Data Source
AI summary
An electronic device includes a processor electronically connected to a memory and is configured to detect whether the electronic device is on an external electronic device having a cooling function. In response to detecting the electronic device being on the external electronic device, detecting, by the processor determines whether the electronic device is functionally connected to the external electronic device, and if so, the processor monitors a temperature of the electronic device. The processor generates a control command corresponding to the monitored temperature and sends the generated control command to the external electronic device having the cooling function.