Ion Drag Blower and Fan Cooling System for Noise Reduction
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Solution Overview
Problem
Information handling systems generate heat during high-performance operations, leading to performance degradation if not mitigated, and traditional cooling fans increase noise levels, which can interfere with system use.
Innovation Solution
An ion emitter/collector blower cooling system is integrated with a cooling fan in series, utilizing an ion emitter and collector to create a silent airflow supplemented by a fan, with a control system that activates components based on temperature and power thresholds to optimize cooling and reduce noise.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a traditional cooling fan is used to cool the information handling system, then heat dissipation is achieved, but noise levels increase
Solution Approach 1:
The patent combines an ion emitter/collector blower with a traditional cooling fan to create a hybrid cooling system. The ion blower generates silent airflow to cool the system, while the fan provides supplemental cooling when needed. This merging allows the system to achieve effective heat dissipation through multiple mechanisms while minimizing noise by using the silent ion blower as the primary cooling method.
Solution Approach 2:
The ion emitter/collector blower acts as an intermediary between the heat-generating components and the external environment. It creates a controlled airflow path that silently removes heat from the information handling system, mediating the cooling process without the noise associated with traditional fans. The ion blower's electric field-driven ion movement provides a quiet intermediary mechanism for heat transfer.
2Object-affected harmful factors
If an ion emitter/collector blower is used for cooling, then noise is minimized, but cooling capacity may be insufficient for high-performance operations
Solution Approach 1:
The cooling system dynamically adjusts its operation by controlling when the ion blower and fan are activated. The system can operate in silent mode using only the ion blower during low-heat conditions, and dynamically engage the fan when high-performance operations generate excessive heat. This dynamic control allows the system to optimize between noise minimization and cooling capacity based on real-time thermal conditions.
Solution Approach 2:
The system applies partial cooling action from the ion blower during normal operations and adds excessive cooling capacity from the fan when needed. The ion blower provides baseline cooling sufficient for low-to-moderate heat generation, while the fan can be activated to provide additional cooling power during high-performance operations, ensuring adequate heat dissipation across all operating conditions.
3Temperature
If both ion blower and fan are activated simultaneously, then cooling efficiency is maximized, but power consumption increases
Solution Approach 1:
The system uses feedback control to monitor temperature conditions and adjust the operation of the ion blower and fan accordingly. Temperature sensors provide feedback about the thermal state of the information handling system, and the control logic uses this information to determine whether to activate the fan, the ion blower, or both. This feedback mechanism ensures that power consumption is optimized by activating components only when their cooling contribution is necessary to maintain acceptable temperature levels.
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 effectively manages heat dissipation while minimizing noise, providing a quiet and efficient cooling mechanism for information handling systems by leveraging the ion emitter/collector blower's silent operation and the fan's enhanced airflow when needed.
Implementation Method 1
The ion emitter/collector blower cooling system is operatively coupled to an ionic driving circuit operatively coupled to the ion emitter to create an airflow along an electric field to a collector
Data Source
AI summary
An information handling system comprising a processor, memory device and a power source including a fan and an ion emitter/collector blower cooling system including an ion emitter and an ion collector placed in fluidic series with the fan to generate an airflow along a voltage field from the ion emitter to the ion collector and with the fan. An embedded controller to execute code instructions of an ion emitter/collector blower and fan control system to control the activation of the ion emitter/collector blower and the fan by activating the ion emitter/collector blower at a varying levels depending on a type of power source that the information handling system is coupled to, meeting a temperature threshold, and a detected operating mode of the information handling system to prioritize the ion emitter/collector blower over the fan to limit noise and power.