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Double-temperature air conditioning system and control method thereof

An air-conditioning system and a part of the technology are applied in the dual-temperature air-conditioning system and its control field, which can solve the problems of low energy efficiency of the system, and achieve the effect of improving the energy efficiency of the system and improving the heat exchange effect.

Pending Publication Date: 2020-11-27
GREE ELECTRIC APPLIANCES INC OF ZHUHAI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, the present invention provides a dual-temperature air-conditioning system and its control method, which are at least used to solve the technical problem of low system energy efficiency in the prior art, specifically:

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  • Double-temperature air conditioning system and control method thereof
  • Double-temperature air conditioning system and control method thereof
  • Double-temperature air conditioning system and control method thereof

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Embodiment Construction

[0058]In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0059] Terms used in the embodiments of the present invention are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. The singular forms "a", "said" and "the" used in the embodiments of the present invention and the appended claims are also intended to include plural forms, unless the c...

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Abstract

The invention provides a double-temperature air conditioning system and a control method thereof. The double-temperature air conditioning system comprises a compressor, an outdoor heat exchanger, an indoor heat exchanger, and an intermediate heat exchanger. The compressor comprises two air inlets and at least one air outlet. The outdoor heat exchanger is connected with the air outlets of the compressor. The indoor heat exchanger comprises a first heat exchanger and a second heat exchanger. The first heat exchanger is connected with the outdoor heat exchanger through a first branch circuit. A first throttling device is arranged on the first branch circuit. The first heat exchanger is connected with the first air inlet of the compressor. The second heat exchanger is connected with the secondport of the outdoor heat exchanger. A second throttling device is arranged on a second branch circuit. The second heat exchanger is connected with the second air inlet of the compressor. The first branch circuit and the second branch circuit are connected with the intermediate heat exchanger at the same time. The double-temperature air conditioning system and the control method thereof can improve the energy efficiency of the air conditioning system.

Description

technical field [0001] The invention relates to the technical field of air conditioning, in particular to a dual-temperature air conditioning system and a control method thereof. Background technique [0002] The dual-temperature air-conditioning system sets two adjacent indoor heat exchangers indoors, and through the stepwise cooling and dehumidification or temperature-raising treatment of the indoor return air, the indoor heat exchangers of the air-conditioning system realize the heat exchange under cooling or heating conditions. The thermal gradient difference improves the heat exchange efficiency of the heat exchanger, thereby improving the overall energy efficiency of the air conditioning system. [0003] However, the two subcooling degrees of the front and rear row heat exchangers of this system under the heating condition are lower than those of the conventional single-stage system under the heating condition, which leads to evaporation under the heating condition. T...

Claims

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Application Information

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IPC IPC(8): F25B5/02F25B6/02F25B13/00F25B41/00F25B41/06F25B41/04F25B31/00F25B49/02
CPCF25B5/02F25B6/02F25B13/00F25B41/00F25B31/00F25B49/02
Inventor 黄健贵郑波梁祥飞吕如兵
Owner GREE ELECTRIC APPLIANCES INC OF ZHUHAI
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