Double-loop separated type refrigeration equipment

Abstract

The invention provides double-loop separated type refrigeration equipment. The double-loop separated type refrigeration equipment comprises a dual refrigeration system, a fan, an outdoor unit shell and a plurality of indoor storage cabinets; in the dual refrigeration system, a first condenser is connected with a first air and liquid separator; the first air and liquid separator is connected with a first heat exchanger; the first heat exchanger is connected with a second evaporator; the first air and liquid separator is connected with a first evaporator; the first evaporator is connected with the first heat exchanger; the second evaporator and the first heat exchanger are separately connected with a first compressor through a third heat exchanger; a first heat regenerator is provided with a third capillary tube and a first heat regenerating tube which exchange heat with each other; a second heat regenerator is provided with a fourth capillary tube and a second heat regenerating tube which exchange heat with each other; a heat exchange passage II of the second heat exchanger is connected with an inlet of a second compressor through the first heat regenerating tube; and an outlet of a fourth evaporator is connected with the inlet of the second compressor through the second heat regenerating tube. The double-loop separated type refrigeration equipment can increase the utilization rate of energy, improve the refrigeration performance and widen the refrigeration temperature range so as to improve the universality.

Description

technical field [0001] The invention relates to refrigeration equipment, in particular to a double-circuit split type refrigeration equipment. Background technique [0002] At present, refrigeration equipment (refrigerators, freezers, etc.) are widely used in people's daily life. With the continuous improvement of people's living standards, people have higher and higher requirements for food and refrigeration equipment in terms of environmental protection, energy saving, and freshness preservation. Food storage requirements, wine needs to be stored in the temperature zone of 5~20℃, fruits and vegetables should be stored in the temperature zone of 0~8℃, ordinary meat, fish and other products need to be stored in -18℃, and some Special foods need to be stored at ultra-low temperatures. For example, tuna needs to be stored in an environment around -55°C to ensure the deliciousness of its meat. In the prior art, refrigeration equipment with multi-temperature zone refrigeration...

AI Technical Summary

Problems solved by technology

In the prior art, refrigeration equipment with multi-temperature zone refrigeration function usually adopts cooling capacity distribution and corresponding electronic control strategy to realize multi-temperature zone refrigeration, but in the actual use process, the multi-temperature zone in the prior art On the one hand, the refrigeration equipment increases the heat transfer temperature and the energy utilization rate is low. On the other hand, the control system is cumbersome. During the user's use, it is easy to have a problem of cooling difference or even no cooling at a certain temperature; more importantly, different temperature zones cannot be used. Realize refrigeration with large temperature difference, and the refrigeration temperature range is small

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