Machine room for accommodating immersion cooling electronic system and control method thereof
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Solution Overview
Problem
The issue of gaseous heat transfer medium escaping into the surrounding environment when the tank is opened during maintenance or device movement in immersion cooling systems, posing a risk to nearby personnel.
Innovation Solution
A machine room design with an exhaust device and control system that adjusts exhaust volume based on tank cover status and gas concentration to manage gas discharge effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the tank cover is opened to move electronic devices in and out or perform maintenance, then the ease of operation is improved, but gaseous heat transfer medium escapes into the surrounding environment creating harmful effects
Solution Approach 1:
A chamber is introduced as an intermediary space between the tank and the surrounding environment. When the tank cover is opened, the exhaust device activated within the chamber captures and exhausts the gaseous heat transfer medium before it can escape into the surrounding environment, thus mediating the harmful effect while maintaining operational accessibility
Solution Approach 2:
The harmful gaseous heat transfer medium is extracted from the environment by capturing it within the chamber using the exhaust device. This separates the harmful substance removal function from the tank operation, allowing the cover to be opened for maintenance while the gas is continuously extracted and discharged through the exhaust device
2Reliability
If the exhaust volume is increased to prevent gas exposure, then the safety is improved, but the energy consumption increases
Solution Approach 1:
The exhaust volume is made dynamic rather than fixed. The control system adjusts the exhaust volume based on real-time detection of gas concentration and tank cover status. When the cover is closed, exhaust volume is reduced or stopped; when opened or gas concentration increases, exhaust volume increases accordingly, optimizing the balance between safety and energy consumption
Solution Approach 2:
A feedback control mechanism is implemented where gas concentration detectors monitor the environment and tank cover detectors monitor the cover status. This information feeds back to the control system, which dynamically adjusts the exhaust device operation to maintain safety while minimizing energy consumption by avoiding unnecessary high-volume exhaust when not needed
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
Prevents operators from being exposed to excessive gas by dynamically controlling exhaust volume, maintaining safe operating conditions within the chamber.
Implementation Method 1
heat generated by the operation of the electronic devices is removed through the phase change of the coolant from liquid to gas
Implementation Method 2
heat generated by the operation of the electronic devices is removed through the phase change of the coolant from liquid to gas
Data Source
AI summary
a machine room for accommodating an immersion cooling electronic system includes a chamber, an exhaust device, a reservoir tank group and a control system. The exhaust device is disposed in the chamber and configured to exhaust gas out of the chamber. The reservoir tank group is located in the chamber and includes at least one liquid cooling tank and its cover. The at least one liquid cooling tank is configured to accommodate a coolant and at least one electronic device for at least partially immersing the at least one electronic device in the coolant, and the cover is movably disposed on the at least one liquid cooling tank to cover the corresponding at least one liquid cooling tank. The control system is electrically connected to the exhaust device and configured to adjust an exhaust volume of the exhaust device.