DIY Dome AC (520°C Regulator) Optimize Finances with -25°C - +35°C Fast Cooling Freezing Conditioner

Summary

This video demonstrates the process of assembling a powerful small air conditioning system, detailing the components like the filter-drier, copper tubes, capillary tubes, and the refrigeration compressor. It explains how to solder parts together, adjust temperatures using a regulator, and the steps of charging the system with refrigerant. The script also touches on the creation of printed circuit boards and their use in managing the system's power and performance. Additionally, the presenter showcases tools and techniques for modifying parts, soldering, and assembling the cooling system for optimal efficiency.

Takeaways

• ❄️ Super powerful small air conditioning system designed for instant freezing and high-temperature regulation up to 520°C.
• 🔧 The filter-drier (zeolite cartridge) is a key component of the refrigeration unit, designed to remove moisture and prevent clogs in the capillary tube.
• 📏 The capillary tube plays a crucial role in creating a pressure difference between the evaporator and condenser to transport refrigerant.
• 🔩 Detailed steps are provided on soldering components like the capillary tube to the evaporator and filter-drier housing.
• 🔌 A voltage regulator is created and demonstrated using a salt lamp to show how it adjusts voltage ranges for a soldering iron.
• 🛠️ A micro refrigeration compressor stand is built using a calculator case and operates on the Carnot cycle of compression, cooling, expansion, and heating.
• 📉 High-pressure operation is explained, noting that refrigeration compressors handle pressure better than membrane compressors.
• 🧪 System evacuation and charging are necessary steps, where air is removed and replaced with a precise amount of refrigerant mixture.
• ⚙️ The air conditioner requires refueling every 10 hours due to the cold vapor and temperature fluctuations produced by the system.
• 📢 Viewers are encouraged to share the video on social media for direct responses and comments from the creator.

Q & A

What is the purpose of the filter-drier in a refrigeration unit?

The filter-drier serves to remove moisture from the refrigerant and protect the capillary tube from clogging with solid particles. It is installed between the condenser and the capillary tube in household refrigerators and coolers.

What is the function of the capillary tube in a refrigeration unit?

The capillary tube is a crucial component in the refrigeration unit, designed to transport refrigerant to the evaporator. It creates a pressure difference between the evaporator and the condenser.

How do you prepare the evaporator for an air conditioning system?

To prepare the evaporator, the capillary tube is inserted into the drier shell and soldered. Holes are drilled to match the diameter of the evaporator tube, and the copper tube is soldered to the drier housing.

Why is it important to vacuum the air out of the refrigeration system before charging it with refrigerant?

Vacuuming out the air ensures that no air remains in the system, which could interfere with the refrigerant's function. If air remains, it can cause malfunction or damage the compressor.

What does the Carnot cycle consist of in a refrigeration compressor?

The Carnot cycle consists of four phases: compression, cooling, expansion, and heating. During compression, the gas is pressurized, raising its temperature. It then cools and transitions to a liquid state before expansion and heating.

What happens if you miscalculate the liquid mixture in a refrigeration system?

Miscalculating the liquid mixture can cause the liquid to either boil or freeze within the system, potentially damaging the compressor.

What is the significance of a 6-layer PCB in electronics design?

A 6-layer PCB offers additional layers for power and ground management, reducing electromagnetic interference (EMI) and improving performance. It is commonly used in high-density applications for enhanced functionality and flexibility.

Why is it necessary to solder the wires and connect the input and output wires to the socket and plug?

Soldering the wires and connecting the input and output wires to the socket and plug is essential to ensure proper electrical connections between the components, allowing the system to function correctly.

What role does the pyrometer play in soldering?

The pyrometer is used to measure the temperature of the soldering iron at different settings, allowing precise control over the soldering process. This helps ensure consistent temperature when soldering components.

Why does the cooler design in this video require refueling every 10 hours?

The cooler design is highly powerful and generates significant cold vapor, but it requires regular refueling every 10 hours to maintain its performance due to the continuous operation and temperature fluctuations.