Fresh air conditioning system and control method thereof

A fresh air conditioner and control method technology, which is applied in the direction of air conditioning system, ventilation system, heating and ventilation control system, etc., and can solve problems such as easy frosting

Pending Publication Date: 2020-05-12
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Based on this, it is necessary to provide a fresh air air conditioning system and its control method that are not prone to frost to address the problem of easy frosting in traditional air conditioning systems

Method used

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  • Fresh air conditioning system and control method thereof
  • Fresh air conditioning system and control method thereof
  • Fresh air conditioning system and control method thereof

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Embodiment Construction

[0051] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0052] It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for purposes ...

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PUM

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Abstract

The invention relates to a fresh air conditioning system and a control method thereof. The fresh air conditioning system comprises a first main air duct, a second main air duct, a first heat exchangerand a second heat exchanger; the first main air duct is provided with a first air inlet and a second air inlet; the second main air duct is provided with a third air inlet and a fourth air inlet; thefirst air inlet and the third air inlet communicate with outdoor space; the second air inlet and the fourth air inlet communicate with indoor space; the first heat exchanger is used for exchanging heat with the first main air duct; the second heat exchanger is used for exchanging heat with the second main air duct; in the heating mode, one of the first heat exchanger and the second heat exchangeracts as a condenser, the other one acts as an evaporator, the main air duct for exchanging heat with the condenser acts as a fresh air duct, and the main air duct for exchanging heat with the evaporator acts as a return air duct; and in the heating mode, indoor return air enters the outdoor space from the return air duct and exchanges heat with the evaporator during the process of flowing throughthe return air duct, and since the temperature of the indoor return air is higher than the temperature of the outdoor space, the evaporator is not frosted, and the continuous heating without defrosting is realized.

Description

technical field [0001] The invention relates to the technical field of air conditioning, in particular to a fresh air air conditioning system and a control method thereof. Background technique [0002] When the air-conditioning system is in heating operation, affected by the ambient temperature and relative humidity, frost will appear on the surface of the outdoor heat exchanger. When the ambient temperature is constant, the higher the relative humidity is, the faster the frosting speed of the outdoor heat exchanger will be, and the faster the heating decay of the air conditioning system will be. Therefore, the air conditioning system needs frequent defrosting during the heating process. [0003] However, when the air-conditioning system defrosts, it will cause indoor thermal comfort to decline. The environmental test results show that: the indoor temperature drops by 2°C-7°C during the defrost cycle, and it takes 10min-20min for the room to return to the temperature before...

Claims

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Application Information

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IPC IPC(8): F24F7/007F24F11/42F24F11/64F24F11/65F24F11/81F24F11/88F24F12/00F24F110/12
CPCF24F7/007F24F11/42F24F11/64F24F11/65F24F11/81F24F11/88F24F12/006F24F2110/12
Inventor 马健恒张玉峰杨力
Owner GREE ELECTRIC APPLIANCES INC
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