Heat Pipe Heatsink Testing Device with Segmented Heating
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Solution Overview
Problem
Inaccurate heat dissipation performance testing of heat pipe heatsinks leads to defective products being released, as conventional methods only assess overall thermal performance without evaluating individual heat pipes effectively.
Innovation Solution
A performance testing device with a heating simulation assembly and temperature sensors to simulate heat generation and dissipation, allowing for precise detection of temperature differences between evaporation and condensing pipe sections to identify defective heat pipes, ensuring each heat pipe meets quality standards.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional thermal testing method with single heating block is used, then testing simplicity is maintained, but measurement precision of individual heat pipe performance deteriorates
Solution Approach 1:
The heating block is divided into multiple independent heating units, with each unit corresponding to one heat pipe. Each heating unit includes an independent heating rod and temperature sensor, enabling separate testing of each heat pipe's performance while maintaining operational simplicity through modular design.
Solution Approach 2:
Each heating unit is designed with localized heating and temperature measurement capabilities specific to its corresponding heat pipe position. This allows precise measurement of individual heat pipe performance without affecting other heat pipes, resolving the contradiction between simple operation and precise measurement.
2Measurement precision
If heating block is divided into multiple independent heating units, then measurement precision of individual heat pipes is improved, but device complexity increases
Solution Approach 1:
The heating block is segmented into multiple independent heating units arranged in an array, where each unit corresponds to one heat pipe. This segmentation enables precise individual measurement while maintaining structural simplicity through repetitive modular units that follow a consistent design pattern.
Solution Approach 2:
Multiple heating units are merged into a single integrated heating block structure, sharing common support frameworks and thermal management systems. This combining approach reduces overall device complexity while preserving the precision benefits of individual heating units for each heat pipe.
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 solution enables more accurate heat dissipation performance testing of heat pipe heatsinks, ensuring only qualified products are released and preventing defective ones from reaching the market.
Implementation Method 1
the heating rods are configured to heat the heating block, so that the heating block can simulate the heat generation of the heating element
Implementation Method 2
a heating simulation assembly configured to simulate heat generation of a heating element, where the heating simulation assembly has a heat conduction end face configured to be fitted to and transfer heat with evaporation pipe sections
Implementation Method 3
transfer heat with evaporation pipe sections of heat pipes of the heat pipe heatsink
Implementation Method 4
The internal capillarity of the heat pipe may be damaged due to deformation in the process of pipe rolling
Data Source
Figure 1
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Figure 4~5
AI summary
A performance testing device for heat pipe heatsink is provided according to the present application, including a heating simulation assembly, first temperature sensors and second temperature sensors, the heating simulation assembly is used to simulate heating generation of a heating element and has a heat conduction end face fitted to and transfer heat with the evaporation pipe sections of heat pipes of the heat pipe heatsink; the first temperature sensors are used to detect the temperature of the heat conduction end face, and the first temperature sensors are arranged in one-to-one correspondence with the evaporation pipe sections of the heat pipes; the second temperature sensors are arranged at condensing pipe sections of the heat pipes. In the performance testing device, each heat pipe of the heat pipe heatsink is provided with a corresponding first temperature sensor and a corresponding second temperature sensor, the quality of each heat pipe of the heat pipe heatsink can be judged, which makes the heat dissipation performance test of heat pipe heatsink more accurate, thereby ensuring the heat dissipation performance of the qualified heat pipe heatsink manufactured by the factory, and effectively avoiding the defective heat pipe heatsinks from leaving the factory.