Multi-station Thermal Performance Tester -

Multi-station Thermal Performance Tester

The Heat Pipe Multi-station Thermal Performance Tester is a high-precision automated system designed for the simultaneous measurement of the thermal resistance ( $R_{t h}$ ) and maximum heat transfer capacity ( $Q_{ma x}$ ) of multiple heat pipes or vapor chambers. It simulates the actual heat source and heat sink conditions of end-use applications (such as CPUs or power electronics). By monitoring the temperature gradient across the pipe under controlled power loads, the system provides a comprehensive evaluation of the heat pipe’s internal efficiency, wick health, and vacuum quality.

Key Features

High-Throughput Parallel Testing: Available in 4, 8, or 10-station configurations, allowing for independent testing of multiple samples under the same or different power loads.
Precision PID Load Control: Each station is equipped with an independent DC power supply and PID controller to maintain a stable heat flux, with power accuracy up to $\pm 0.1 W$ .
Automated Thermal Resistance Calculation: The software automatically calculates $R_{t h} = (T_{e} - T_{c}) / Q$ , where $T_{e}$ is the evaporator temperature and $T_{c}$ is the condenser temperature.
Multi-Angle Reliability Mapping: The system features a motorized tilting mechanism ( $0^{\circ}$ to $\pm 9 0^{\circ}$ ) to test the heat pipe in gravity-assisted or anti-gravity orientations.
High-Speed Data Acquisition: Real-time monitoring of all thermocouples with data logging at 1-second intervals, providing a detailed thermal stability profile.
Modular Clamping Interface: Interchangeable copper blocks (Heating/Cooling) allow for a wide range of product shapes, including round pipes, flattened pipes, and Vapor Chambers.

Technical Parameters

Item	Specification Detail
Model	CT-HP-TPT Series
Test Stations	4 / 8 / 10 / 12 Stations (Standard & Customizable)
Heating Power	0 – 500W per station (Customizable for server-grade pipes)
Cooling Method	Liquid-cooled (Water Chiller) / Forced Air-cooled
Temperature Accuracy	$\pm 0. 1^{\circ} C$ (Type T/K Thermocouples)
Power Stability	$\leq 0.5%$
Tilting Range	$0^{\circ} \sim \pm 9 0^{\circ}$ (Motorized / Automatic)
Cycle Time	$2 \sim 5$ minutes (depending on stabilization time)
Software	LabVIEW-based or Proprietary Windows Suite
Safety Features	Over-temp Alarms, Liquid Leakage Detection, E-Stop

Workflow Diagram

Applications

Consumer Electronics: Mass production testing for laptop, tablet, and smartphone heat pipes.
Computing & AI: High-power thermal validation for server heat sinks and GPU cooling modules.
Automotive Electronics: Testing heat pipes for LED headlamps and battery management systems.
Renewable Energy: Thermal performance audit for inverter and power module heat pipes.

FAQ

Q1: What is the difference between

A: $R_{t h}$ (Thermal Resistance) measures how efficiently the heat pipe transfers heat at a standard load. $Q_{ma x}$ (Maximum Heat Transfer) measures the limit at which the heat pipe fails (dries out). Our tester performs both measurements in a single automated sequence.

Q2: How does the system handle "Anti-Gravity" testing?

A: Heat pipes rely on a capillary wick to return liquid. In anti-gravity mode (evaporator above the condenser), the wick must work against gravity. Our motorized tilt system allows you to accurately measure the power drop-off at various angles to ensure performance in any device orientation.

Q3: Is the system compatible with different sizes of heat pipes?

A: Yes. The machine uses a Universal Clamping Base. You only need to change the copper heating and cooling blocks (which are precision-machined to fit your specific pipe diameter) to switch between different product models.

Q4: Can the test results be automatically uploaded to my factory's MES?

A: Absolutely. Our system supports Industry 4.0 data integration. Test results, including serial numbers (via scanner), date, $Q_{ma x}$ values, and pass/fail status, can be exported in CSV/JSON format or directly linked to your server via SQL database or local network.

Q5: What is the benefit of the "Multi-station" approach versus a single-station tester?

A: Thermal testing requires time for the heat pipe to reach a “Steady State” (equilibrium). A single-station tester creates a bottleneck in production. By testing 8 or 10 units at once, you can keep up with high-speed production lines without compromising the accuracy of the stabilization time.