Experimental system based on small commercial refrigeration device

Abstract

The invention discloses an experiment system based on a small commercial refrigeration device. The experiment system comprises a compressor, a condenser, a high-pressure liquid storage device, a drying filter, a heat regenerator, a high-pressure throttling unit, a low-pressure throttling unit, a high-temperature evaporator and a low-temperature evaporator. The high-pressure throttling unit comprises a high-pressure thermostatic expansion valve branch, a high-pressure capillary branch and a high-pressure needle-shaped throttling valve branch which are connected in parallel; the low-pressure throttling unit comprises a low-pressure thermostatic expansion valve branch and a low-pressure capillary branch which are connected in parallel. A pipeline between an exhaust port of the compressor andthe condenser, a pipeline of an air suction port of the compressor, an inlet pipeline of the high-pressure evaporator, an inlet pipeline of the low-pressure evaporator and an outlet pipeline of the low-pressure evaporator are respectively provided with a liquid viewing mirror. According to the system, multiple functions of manually switching throttling modes, troubleshooting, refrigerant observation and the like of the refrigerating system can be realized, so that the teaching process is richer, and the system is suitable for engineering practice. Actual operation conditions under different working conditions can be simulated, and the fault analysis capability of students can be improved.

Description

technical field [0001] The invention relates to the technical field of experimental equipment, and more specifically relates to an experimental system based on a small commercial refrigeration device. Background technique [0002] Refrigeration technology is a combination of theory and practice. Experimental teaching plays an irreplaceable role in cultivating students' practical ability and ability to solve practical problems. At present, in the teaching process of refrigeration technology, due to the lack of experimental equipment, students often can only carry out simple simulation experiments, and cannot fully integrate the refrigeration knowledge they have mastered with practical applications, and often lack the ability to overcome practical problems in the actual work process The technical means have affected the normal work. Contents of the invention [0003] The purpose of the present invention is to provide an experimental system for a small commercial refrigerati...

AI Technical Summary

Problems solved by technology

At present, in the teaching process of refrigeration technology, due to the lack of experimental equipment, students often can only carry out simple simulation experiments, and cannot fully integrate th

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