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Refrigerating system

A refrigeration system and refrigerant technology, used in refrigerators, refrigeration components, refrigeration and liquefaction, etc., can solve problems such as affecting the normal operation of the unit and lack of refrigerant.

Active Publication Date: 2020-06-12
YORK GUANGZHOU AIR CONDITIONING & REFRIGERATION +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the unit is working, some heat exchangers in the refrigeration system do not work, and liquid refrigerant will accumulate inside the non-working heat exchangers, resulting in a lack of refrigerant when the unit is running, affecting the normal operation of the unit

Method used

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Embodiment Construction

[0033] Various embodiments of the present application will be described below with reference to the accompanying drawings, which form a part hereof. It should be understood that although directional terms, such as "upper," "lower," etc., are used herein to describe various exemplary structural parts and elements of the present application, these terms are used herein for convenience of description only. Based on example orientations shown in attached drawings. Since the embodiments disclosed in this application can be arranged in different orientations, these directional terms are for illustration only and should not be regarded as limiting.

[0034] Figure 1A The connecting passages of the refrigeration system 100 of the first embodiment of the present application are shown. Such as Figure 1A As shown, the refrigeration system 100 includes a compressor 101, a first heat exchanger 102, a second heat exchanger 112, a third heat exchanger 113, a first throttle valve 108, a se...

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Abstract

Disclosed is a refrigerating system. The refrigerating system comprises a refrigerating system part, a connecting pipeline, switch structures and discharge channels. The refrigerating system part comprises three heat exchangers. The connecting pipeline can be connected with the refrigerating system part and further be combined into different working systems through the switch structures. When twoof the heat exchangers are selected in the switch structures to form one working system and the saturation temperature corresponding to the internal pressure of the unselected heat exchanger is higherthan the medium or environment temperature of the heat exchanger, a liquid-state refrigerant can be stored in the unworking heat exchanger. According to the refrigerating system in the invention, theswitch structures are arranged at the two ends of the unworking heat exchanger, so that the unworking heat exchanger is isolated from the working circulation system, the additionally-arranged discharge channels can communicate with the unworking heat exchanger and the low-pressure side of the working system under the condition that the pressure of the low-pressure side of the working system is smaller than the internal pressure of the unworking heat exchanger, the refrigerant stored in the unworking heat exchanger can be transferred into the circulation system, and the phenomenon that no refrigerant exists in the circulation system can be prevented.

Description

technical field [0001] This application relates to the technical field of refrigeration systems. Background technique [0002] Refrigeration system technology is often used in various units such as full heat recovery units, air-conditioning and hot water multi-function units, and four-pipe cooling and hot water units. There are three or more heat exchangers. When the unit is working, some heat exchangers in the refrigeration system do not work, and liquid refrigerant will accumulate inside the non-working heat exchangers, resulting in a lack of refrigerant when the unit is running, affecting the normal operation of the unit. Contents of the invention [0003] The present application provides a refrigeration system, which includes: refrigeration system components, connecting pipelines and switch structures. The refrigeration system components include a compressor, a first heat exchanger, a second heat exchanger, a third heat exchanger, a first throttle valve and a second ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B13/00F25B41/00F25B49/02F25B41/04F25B41/30
CPCF25B13/00F25B41/00F25B49/02F25B41/20F25B41/24F25B2313/003F25B2313/021F25B2313/009F25B2700/2116F25B2700/197F25B2600/2507F25B41/40F25B45/00
Inventor 俞德茂吴双
Owner YORK GUANGZHOU AIR CONDITIONING & REFRIGERATION
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