Miniaturized Flow Detection Device for Electronic Cooling
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Solution Overview
Problem
Current flowmeters for electronic device cooling systems are bulky, expensive, and unable to detect cooling losses at the component level, leading to potential overheating and data loss in data centers.
Innovation Solution
A flow detection device with a float and sensor system that monitors the presence of a cooling fluid in a channel, providing a binary indication of fluid flow, integrated with a cooling arrangement and processor to manage cooling fluid flow and prevent overheating.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional flowmeters are used to monitor cooling fluid flow, then flow detection capability is provided, but the device size becomes too large and cost becomes too high for component-level integration
Solution Approach 1:
The invention divides the cooling system into component-level units, placing a miniaturized flow detection device ( comprising a float, channel, and sensor) at each electronic component rather than using a single centralized flowmeter for the entire rack. This segmentation enables component-level monitoring while reducing the size requirement for each individual detector.
Solution Approach 2:
The invention replaces traditional mechanical flowmeters with a simplified mechanical system consisting of a float that rises or falls in a vertical channel based on fluid flow presence, detected by a magnetic sensor. This substitution eliminates complex mechanical components of traditional flowmeters, enabling miniaturization and cost reduction.
2Measurement precision
If traditional flowmeters are used to monitor cooling fluid flow, then flow detection capability is provided, but the device complexity and cost increase
Solution Approach 1:
The invention extracts only the essential elements needed for flow detection: a float that responds to fluid flow and a sensor that detects the float's position. By removing unnecessary components of traditional flowmeters, the device complexity is reduced while maintaining flow detection capability.
Solution Approach 2:
The invention uses inexpensive components such as a simple float made from low-density material and a magnetic sensor that can be easily replaced. This approach reduces both device complexity and cost, making component-level deployment economically feasible.
3Measurement precision
If component-level flow detection is implemented, then cooling loss detection accuracy is improved, but the number of components and space requirements increase
Solution Approach 1:
The invention utilizes the vertical dimension by implementing a vertical channel where the float rises and falls. This vertical arrangement allows compact integration within the limited space of electronic components while maintaining component-level detection accuracy.
4Reliability
If rapid shutdown is triggered to prevent overheating, then equipment safety is improved, but data loss risk increases
Solution Approach 1:
The invention implements preliminary action by continuously monitoring cooling fluid flow and detecting abnormalities before they lead to overheating. The processor receives signals from the sensor and can initiate protective measures in advance, allowing for controlled shutdown procedures that minimize data loss while preventing equipment damage.
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
Enables efficient detection of cooling fluid flow at the component level, preventing overheating and data loss by triggering shutdowns or fluid flow adjustments, while being compact and cost-effective.
Implementation Method 1
a float located within the channel, a specific weight of the float being greater than a specific weight of a fluid injected in the flow detection device via the fluidic input port, respective locations of the fluidic input port, of the channel and of the fluidic output port on the flow detection device causing the float to rise within the channel when a sufficient flow of the fluid is injected
Data Source
AI summary
A flow detection device comprises a fluidic input port connected to a fluidic output port via a channel and a float located within the channel. A specific weight of the float exceeds a specific weight of a fluid injected in the flow detection device. Respective locations of the fluidic input port, of the channel and of the fluidic output port on the flow detection device cause the float to rise within the channel when a sufficient flow of the fluid is injected in the flow detection device. A sensor is provided to detect a position of the float within the channel. The flow detection device may be integrated in a cooling circuit having a cooling device for an electronic device to detect an eventual lack of a flow of a cooling fluid in the cooling circuit. A status of the flow of the cooling fluid is reported to a processor.