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Refrigeration cycle system and its control method

A technology of a circulation system and a control method, applied in the field of air conditioning and refrigeration systems, can solve the problems of limited energy efficiency, high maintenance and use costs, and complicated control, and achieve the effect of improving the coefficient of performance and reliability, and the advantages of the coefficient of performance and reliability.

Active Publication Date: 2018-05-18
GREE ELECTRIC APPLIANCES INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, under ultra-low temperature refrigeration conditions, when the natural ambient temperature is low, the refrigeration cycle system using a compressor consumes more energy, its energy efficiency is relatively limited, and the control is more complicated, and the maintenance and use costs are higher.

Method used

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  • Refrigeration cycle system and its control method
  • Refrigeration cycle system and its control method
  • Refrigeration cycle system and its control method

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Embodiment Construction

[0050] In order to further explain the technical means and effects of the present invention to achieve the intended purpose of the invention, the specific implementation, structure, features and effects of the application according to the present invention will be described in detail below in conjunction with the accompanying drawings and preferred embodiments. . In the following description, different "one embodiment" or "embodiment" do not necessarily refer to the same embodiment. Furthermore, the particular features, structures, or characteristics of one or more embodiments may be combined in any suitable manner.

[0051] Such as figure 1 As shown, a refrigeration cycle system 100 proposed by an embodiment of the present invention includes a condenser 1 , an evaporator 2 and a refrigerant pump 3 . The refrigerant outlet of the evaporator 2 is connected to the refrigerant inlet of the condenser 1 . The inlet of the refrigerant pump 3 is connected to the refrigerant outlet...

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Abstract

The invention relates to a refrigeration cycle system and a control method thereof, and relates to the field of air-conditioning and refrigeration systems. The main purpose is to improve the performance coefficient and reliability of the refrigeration cycle system under ultra-low temperature refrigeration conditions. The technical solution mainly adopted is: a refrigeration cycle system, including a condenser, an evaporator and a refrigerant pump, the refrigerant outlet of the evaporator is connected to the refrigerant inlet of the condenser, and the inlet of the refrigerant pump is connected to the condenser The outlet of the refrigerant pump is connected to the refrigerant outlet of the evaporator, and the outlet of the refrigerant pump is connected to the refrigerant inlet of the evaporator. Compared with the existing technology, since the power of the refrigerant pump is much smaller than that of the compressor, and it can be lubricated without oil, the coefficient of performance and reliability of the refrigerant pump operation under ultra-low temperature refrigeration conditions have greater advantages, thereby improving The coefficient of performance and reliability of the refrigeration cycle system using refrigerant pumps under ultra-low temperature refrigeration conditions were studied.

Description

technical field [0001] The invention relates to the technical field of air conditioning and refrigeration systems, in particular to a refrigeration cycle system and a control method thereof. Background technique [0002] The existing refrigeration cycle is based on the work of the compressor, and the dynamic balance and refrigeration cycle of the refrigeration system are achieved through the compressor. However, under ultra-low temperature refrigeration conditions, when the natural environment temperature is low, the refrigeration cycle system using a compressor consumes more energy, its energy efficiency is relatively limited, and the control is more complicated, and the maintenance and use costs are higher. Contents of the invention [0003] In view of this, the present invention provides a refrigeration cycle system and its control method, the main purpose of which is to improve the coefficient of performance and reliability of the refrigeration cycle system under ultra...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25B41/00F25B41/04F25B49/00F25B41/20F25B41/40
CPCF25B41/00F25B49/00F25B2600/21F25B2600/19F25B41/20
Inventor 罗建飞张威何林
Owner GREE ELECTRIC APPLIANCES INC
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