Vacuum Cabinet Liquid Cooling for Electronic Heat Dissipation
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Solution Overview
Problem
Traditional cooling solutions in data centers, relying on air convection, face challenges in controlling humidity and cleanliness, which can shorten the service life of electronic devices.
Innovation Solution
A machine cabinet design featuring a vacuum inner chamber, a liquid working medium accommodating area, a heat exchanger, and a delivery passage, where the liquid working medium is converted into a gas to cool electronic devices, then liquefied and guided back through a heat exchanger and delivery passage, eliminating air circulation-related issues.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If air convection cooling is used, then cooling effect is achieved, but humidity and cleanliness control deteriorates
Solution Approach 1:
The patent extracts the air medium from the cooling system by creating a vacuum environment inside the cabinet. The working medium (liquid refrigerant) is separated from the electronic devices, circulating in a closed loop outside the vacuum chamber while the devices themselves remain in a vacuum-sealed environment. This eliminates air circulation that causes humidity and cleanliness issues.
Solution Approach 2:
The patent creates a vacuum environment (inert atmosphere) inside the cabinet to protect electronic devices from air-related harmful factors such as oxidation, dust, and humidity. The vacuum seal prevents air from entering the cabinet interior while the external cooling system operates independently.
2Temperature
If air circulation cooling is implemented, then heat dissipation is achieved, but service life of electronic devices decreases
Solution Approach 1:
The air circulation system is completely extracted from the cabinet interior. Instead of circulating air around the devices, the patent uses a vacuum-sealed environment with external liquid cooling. The working medium circulates in pipes outside the vacuum chamber, transferring heat without contacting the electronic devices, thus preserving their service life.
Solution Approach 2:
The vacuum environment serves as an inert atmosphere that protects electronic devices from oxidative degradation, dust contamination, and humidity-related damage. This inert environment significantly extends device service life while the external cooling system handles all heat dissipation requirements.
3Object-affected harmful factors
If liquid working medium is used for cooling, then humidity and cleanliness control improves, but system complexity increases
Solution Approach 1:
The patent employs a hydraulic cooling system using liquid refrigerant circulating through heat exchangers and pipes. The liquid working medium absorbs heat from the cabinet exterior and releases it externally, providing effective cooling while maintaining vacuum seal integrity. This hydraulic approach replaces complex air circulation control systems.
Solution Approach 2:
The cooling system utilizes phase transitions of the liquid refrigerant (evaporation and condensation) in heat exchangers to efficiently transfer heat. The refrigerant evaporates to absorb heat and condenses to release heat, providing a compact and efficient cooling mechanism that simplifies the overall system design.
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 effectively dissipates heat using only liquid cooling, reducing the impact of temperature, humidity, and cleanliness on electronic devices, thereby extending their service life and simplifying maintenance.
Implementation Method 1
the liquid working medium is converted into a gas working medium to enter the heat exchanger after cooling the electronic devices to be cooled
Implementation Method 2
the heat exchanger is configured to liquefy the gas working medium into a liquid working medium
Implementation Method 3
the inner chamber is in a vacuum state and configured to accommodate electronic devices to be cooled
Data Source
AI summary
The machine cabinet for dissipating heat includes a housing, and an inner chamber, a liquid working medium accommodating area, a heat exchanger and a delivery passage disposed in the housing. The inner chamber is in a vacuum state and accommodates electronic devices to be cooled; the liquid working medium accommodating area accommodates a liquid working medium, the liquid working medium is converted into a gas working medium to enter the heat exchanger after cooling the electronic devices to be cooled; the heat exchanger liquefies the gas working medium into a liquid working medium and guides the liquid working medium obtained by liquefying the gas working medium into the delivery passage; and the delivery passage is connected with the heat exchanger and the liquid working medium accommodating area and guides the liquid working medium obtained by liquefying the gas working medium into the liquid working medium accommodating area.