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    New technology for refrigeration compressors

    New technology for refrigeration compressors Refrigeration compressors are too extensive, from small refrigerator wine cabinets to large ice storage chillers, the core of which is a refrigeration compressor, and the mechanical structure is completely different. Each subdivided compressor can be divided from refrigerant, and the corresponding structure and material are very different. I only talk about commonly used air-conditioning compressors, refrigerator compressors. 1. The latest research direction of air-conditioning compressors is frequency conversion technology. The core is the frequency conversion motor structure and the electronic design of the frequency conversion board. Other key structures are similar to fixed speed machines. On the other hand, it is aimed at new refrigerants (mainly R290 in the future, which will not destroy ozone and have no greenhouse effect), because the entropy and enthalpy points of the refrigerants are different, the thermal effects are different, and the flammable and explosive characteristics lead to structural design. s difference. 2. In terms of refrigerator compressors, the piston type is generally used because there are fewer refrigerants in the refrigeration cycle and less cooling capacity. However, in recent years, linear compressors have appeared, because there is no crankshaft to rotate the shaft, there are two fewer pairs of motion pairs, the mechanical friction is much less, and the efficiency is also high. The problems brought about are large vibrations and the study of nonlinear staying. This is a cutting-edge structure. The other is oil-free. Because the piston type is mechanically lubricated, oil circulation is essential, and the new structural design can be moved completely without oil lubrication. 1. 48% higher operating efficiency: Especially under partial load conditions, the compressor saves 48% energy compared with other brands of the same model. This special performance can realize its on-site or remote monitoring through a network-based monitoring and diagnostic system. 2. No need for lubricating oil, maintenance cost is 50% lower than oil-containing compressor: Oil-free is achieved after decades of struggle in industry. The oil-free design not only eliminates the possibility of reducing efficiency due to oil pollution, but also eliminates oil management accessories: oil heater, oil pump, oil separator, oil filter, etc. 3. Ultra-light body design: A 120 ton compressor weighs only 295 pounds, which is equivalent to 1/5 of the weight of some traditional machines. 4. Ultra-quiet operation process: The sound during operation is less than 70 decibels, the compressor is so quiet that if you are under the background noise of the typical equipment, you can't hear it running. 5. Redefined soft start: The compressor redefines soft start, requiring only 2 amps of starting current, while traditional compressors require 500 to 600 amps.

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