Liquid storage tank and multi-connected air conditioner provided with same

Abstract

The invention discloses a liquid storage tank and a multi-connected air conditioner provided with the liquid storage tank. The liquid storage tank comprises a low-pressure tank body, a high-pressure tank body, a first connecting pipe, a second connecting pipe, a third connecting pipe and a fourth connecting pipe. The first connecting pipe and the second connecting pipe extend into the high-pressure tank body, and the third connecting pipe and the fourth connecting pipe extend into the low-pressure tank body. The high-pressure tank body is partially or integrally placed in the low-pressure tank body, or the low-pressure tank body is partially or integrally placed in the high-pressure tank body. According to the liquid storage tank, a high-temperature refrigerant in the high-pressure tank body exchanges heat with a low-temperature and low-pressure refrigerant in the low-pressure tank body, and therefore the purpose of exchanging the heat by utilizing the refrigerating capacity of the low-temperature and low-pressure refrigerant is achieved; in this way, the super-cooling degree of the refrigerant in the high-pressure tank body can be effectively enhanced, and the occupied space of the liquid storage tank is reduced.

Description

Technical field [0001] The invention relates to the field of electrical appliances, in particular to a liquid storage tank and a multi-connected air conditioner having the same. Background technique [0002] Multi-connected air conditioners are usually used in commercial places and commercial buildings, and outdoor units are generally installed on the roofs of buildings and in specific air-conditioned rooms. In order to ensure the reliable operation of the multi-unit air conditioner in the related art under different indoor and outdoor ambient temperatures and different loads, the outdoor unit is equipped with a high-pressure liquid storage tank and a low-pressure liquid storage tank, and the low-pressure liquid storage tank stores The low-temperature and low-pressure refrigerant, the cold capacity of the refrigerant in the low-pressure liquid storage tank of the multi-unit air conditioner in the related art is not used, resulting in a waste of cold capacity. Summary of the inve...

AI Technical Summary

Problems solved by technology

In the multi-connected air conditioner in the related art, in order to ensure reliable operation under different indoor and outdoor ambient temperatures and different loads, the outdoor unit is equipped with a high-pressure liquid storage tank and a low-pressure liquid storage tank, wherein the low-pressure liquid storage tank stores Low-temperature and low-pressure refrigerant, the cooling capacity of the refrigerant in the low-pressure liquid storage tank of the multi-connected air conditioner in the related art is not utilized, resulting in a waste of cooling capacity

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