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Outdoor unit with continuous heating function, air conditioner system and control method

A control method and technology of an air-conditioning system, applied in air-conditioning systems, heating and ventilation control systems, heating methods, etc., can solve problems such as low comfort and indoor temperature fluctuations, to ensure heating, maintain outlet temperature and comfort Effect

Pending Publication Date: 2019-10-15
GREE ELECTRIC APPLIANCES INC
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Problems solved by technology

[0003] In order to solve the technical problem of low comfort caused by indoor temperature fluctuations during defrosting, an outdoor unit and air-conditioning system with continuous heating function is provided that uses two heat exchangers to defrost separately to ensure continuous heating inside the room. and control method

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  • Outdoor unit with continuous heating function, air conditioner system and control method
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  • Outdoor unit with continuous heating function, air conditioner system and control method

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Embodiment Construction

[0033] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0034] Such as Figure 1 to Figure 5 The shown outdoor unit includes a first connecting pipe 1 and a second connecting pipe 2 communicating with the indoor unit, and also includes a compressor 3 , a first heat exchanger 41 , a second heat exchanger 42 , and a first reversing valve 51 , a second reversing valve 52 and two throttling devices 6, the first heat exchanger 41 has a first end connected to the exhaust port of the compressor 3 and the other end connected to the first connecting pipe 1 One state and the second state in which one end is connected to the suction port of the compressor 3 and t...

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Abstract

The invention provides an outdoor unit with the continuous heating function, an air conditioner system and a control method. The outdoor unit comprises a compressor, a first heat exchanger, a second heat exchanger, a first reversing valve, a second reversing valve and two throttling devices; the first heat exchanger has the first state and the second state, according to the first state, one end ofthe first heat exchanger is connected with an exhaust port of the compressor, and the other end of the first heat exchanger is connected with a first connecting pipe; and according to the second state, one end of the first heat exchanger is connected with an air suction port of the compressor, and the other end of the first heat exchanger is connected with the first connecting pipe. According tothe outdoor unit with the continuous heating function, the air conditioner system and the control method, the two heat exchangers are arranged, when the air conditioner outdoor unit enters in the defrosting process, one part of high-temperature refrigerant can enter an indoor unit, the aim that during outdoor unit defrosting, the indoor unit is not shut down and continuously heat is achieved, theunit heating amount is forcefully ensured, and the air outlet temperature and the comfort of the indoor side are kept.

Description

technical field [0001] The invention relates to the technical field of air treatment equipment, in particular to an outdoor unit with continuous heating function, an air conditioning system and a control method. Background technique [0002] Heating and defrosting of multi-connected air conditioners is a common problem in the air conditioning industry today. During the heating operation of the air conditioner, the outdoor unit frosts to a certain extent, and the unit needs to switch to cooling mode to defrost the outdoor unit. During the defrosting process, the indoor unit turns Because the low-pressure evaporating side cannot continue to heat, the indoor temperature will drop to a certain extent, causing great fluctuations in the indoor ambient temperature. The defrosting process takes a certain amount of time. During a defrosting process, the air conditioner compressor needs to experience the following: Three stages: heating operation→reduce the operating frequency to prep...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F1/06F24F3/06F24F11/67F24F11/84F24F11/89F24F11/42
CPCF24F1/06F24F3/065F24F11/67F24F11/84F24F11/89F24F11/42
Inventor 武连发张仕强金孟孟李立民曹朋
Owner GREE ELECTRIC APPLIANCES INC
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