Projection Device Heat Dissipation Tank Pressure Sensing
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Solution Overview
Problem
Existing projection devices face challenges in accurately and cost-effectively monitoring the liquid level of the cooling fluid in their cooling modules, as traditional methods like transparent pipes can break or corrode, and float-based systems require complex designs and higher costs.
Innovation Solution
Incorporating a pressure sensing device within the tank to measure the liquid level of the cooling fluid in real-time, allowing for low-cost and reliable monitoring of fluid levels, which includes a pressure sensor and a level bar that can be positioned to accommodate different orientations and fluid levels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a transparent pipe (glass or plastic) is used to indicate liquid level, then the liquid level can be visually observed, but the pipe may break easily or react with the cooling fluid causing corrosion and cracking
Solution Approach 1:
The patent replaces the mechanical/visual indication system (transparent pipe requiring human eye observation) with an electronic sensing system (pressure sensing device that outputs electrical signals). This substitution eliminates the weaknesses of glass breaking and plastic corrosion while maintaining reliable liquid level detection through electrical signal output.
2Measurement precision
If a float-based level indicator with contacts is used, then real-time liquid level reading is enabled, but the design requires precise contact design and higher costs
Solution Approach 1:
The patent extracts the essential function of liquid level detection from the complex float-based system and implements it through a simplified pressure sensing device. This extraction eliminates the need for precise float design, multiple contacts, and complex mechanical linkages, while maintaining real-time measurement capability through direct pressure measurement.
Solution Approach 2:
The patent changes the measurement parameter from mechanical position (float height) to pressure (fluid pressure at sensor location). This parameter change enables real-time liquid level measurement through electrical pressure sensing, avoiding the complexity of mechanical float and contact systems while maintaining measurement precision.
3Ease of operation
If a transparent pipe is used for liquid level indication, then visual observation is possible, but specific material selection is required and human eye reading is needed
Solution Approach 1:
The patent replaces the visual observation system requiring specific transparent materials and human eye reading with an automated electronic sensing system. This substitution eliminates material selection constraints and human operation requirements, enabling automatic liquid level detection through electrical signals.
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 real-time liquid level detection, preventing cooling failures and reducing design costs by using a small-sized, highly reliable pressure gauge, ensuring efficient heat dissipation and fluid replenishment.
Implementation Method 1
The tank includes a pressure sensing device configured to measure a liquid level of the cooling fluid in the tank
Data Source
AI summary
A projection device includes at least one heat source and a heat dissipation module. The heat dissipation module is connected to the heat source and is configured to dissipate heat energy generated by the heat source. The heat dissipation module includes a tank, at least one radiator, at least one cold plate, a cooling fluid, and a connection pipe. The connection pipe connects the tank, the radiator, and the cold plate, so that the cooling fluid flows in the heat dissipation module. The tank includes a pressure sensing device configured to measure a liquid level of the cooling fluid in the tank. Also, a tank is provided. The projection device provided in the disclosure can learn the liquid level of the tank in real-time, and the design cost is low.