Xiaomi heat dissipation technology with Tesla valve

Xiaomi's Loop LiquidCool Technology: The Next Generation Xiaomi Heat Dispersing Technology Showcase

As the performance of mobile phones improves, in addition to the basic parameters, the heat dissipation configuration is systematically focused, such as strong heat dissipation, which can maintain a high frequency CPU / GPU for a long time for better performance and gaming performance.

Nowadays, mobile phone cooling is broadly divided into two types, one depending on the active cooling, the other device for auxiliary cooling, for example a gaming phone fan, the other general neutral cooling, VC liquid cooling or other material composition. .

Today, Xiaomi has officially announced the next generation heat dissipation technology called "Xiaomi Loop Liquid Cool Technology". It is a self-research ring cold pump cooling technology that is said to be the cooling technology of the future.

Officially, the next generation Xiaomi heat dissipation technology focuses on space satellite cooling, a coolant pumped to the telephone heating area via a vapor-liquid phase change, thereby generating high-speed heat conduction, creating a smooth one-way cooling loop. .

Officially, the loop cold pump consists of an evaporator, condenser, compensation hole, and steam and liquid pipes. The evaporator is located in the heat source area of ​​the phone's main panel.

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When the vapor condenser flows, it condenses into a liquid, the capillary force passes through the inhaled fluid tube and then back to the compensation hole for the evaporator to refill the cold liquid, so the cycle, no additional force. Although the principle of phase change is similar to VC liquid cooling, due to different structures, the actual effect is quite different.

When the vapor condenser flows, it condenses into a liquid, the capillary force passes through the inhaled fluid tube and then back to the compensation hole for the evaporator to refill the cold liquid, so the cycle, no additional force. Although the principle of phase change is similar to VC liquid cooling, due to different structures, the actual effect is quite different.

Conventional VC liquids do not separate vapor and liquid from the coolant, so the hot vapor moving towards the condenser and the cold liquid returning to the evaporator travel in opposite directions, interfering with each other, making it difficult to return the liquid under heavy conditions.

At the same time, due to the special steam pipe design, the annular cold pump has a significant 30% reduction in airway resistance and a smoother vapor flow, allowing the heat to be directed to the cold end over long distances, resulting in a 100% increase in maximum heat transfer power.

The reason for the one-way circulation is that the structure of the Tesla valve in the compensation hole increases, similar to the effect of the one-way valve, and the liquid is usually released through the Tesla valve in the forward circulation from the fluid pipe to the evaporator. Vapors are released from the evaporator to the compensation of the inverse circulation, depending on the special design of the Tesla valve, so that the flow cannot be normally circulated so that the vapor flow does not repeat each other. And improving the efficiency of gas-liquid circulation.

Through a Xiaomi Mi MIX 4 Magic overhaul for real-world testing, the cooling part was replaced with a ring-shaped cold pump, using the "original god" for 30 minutes of testing, with 60 frames + of the highest quality possible. Frame continuous performance, maximum body temperature 47.7, average Snapdragon 888 5 body lower than body maximum temperature.

In addition, the Tesla valve brings heat one-way flow, vapor-liquid separation, and thanks to the low-resistance vapor channel design, Xiaomi’s self-propelled ring-shaped cold pump model can be released, stacking inside any type of body.

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