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Air-conditioning system and control method thereof

A control method and air-conditioning system technology, which is applied in the direction of air-conditioning systems, heating and ventilation control systems, heating and ventilation safety systems, etc., can solve problems such as large power loads, and achieve solutions to large power loads, lower usage fees, and lower costs. The number of creams and the effect of frequency

Active Publication Date: 2016-11-16
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Therefore, the technical problem to be solved by the present invention is to overcome the defect that the air-conditioning system in the prior art has a relatively large power load, thereby providing an air-conditioning system and its control method

Method used

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  • Air-conditioning system and control method thereof
  • Air-conditioning system and control method thereof
  • Air-conditioning system and control method thereof

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specific Embodiment approach

[0068] At night in summer, the energy storage device 6 is used to store cold in the low electricity price. During the day, the unit consumes a small amount of electric energy, and uses the cold energy stored in the energy storage device to achieve efficient cooling of the indoor unit, which plays a role in peak-shaving and valley-filling of the power load. Effectively reduce the user's air-conditioning usage fee. The specific implementation is as follows:

[0069] Night refrigeration / cold storage: The high-temperature gaseous refrigerant discharged from the compressor 1 is divided into two paths through the oil-gas separator 11, and enters the second four-way valve 4 and the first four-way valve 5 respectively, wherein the first connection end of the second four-way valve 4 41 communicates with the second connecting end 42, the third connecting end 43 communicates with the fourth connecting end 44, the first connecting end 51 of the first four-way valve 5 communicates with the...

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Abstract

The invention provides an air-conditioning system and a control method thereof. The air-conditioning system comprises a compressor (1), a first heat exchanger (2), an indoor unit heat exchanger (3), a first four-way valve (5) and an energy storage device (6), wherein a first connecting end (51) of the first four-way valve (5) is connected to an exhaust port of the compressor (1), a second connecting end (52) of the first four-way valve (5) is connected to the energy storage device (6), a third connecting end (53) of the first four-way valve (5) is connected to a suction port of the compressor (1), and a fourth connecting end (54) of the first four-way valve (5) is connected to the first heat exchanger (2). The air-conditioning system further comprises a second four-way valve (4), wherein a first connecting end (41) of the second four-way valve (4) is connected to the suction port of the compressor (1), a second connecting end (42) of the second four-way valve (4) is connected to the second heat exchanger (3), a third connecting end (43) of the second four-way valve (4) is connected to the exhaust port of the compressor (1), and a fourth connecting end (44) of the second four-way valve (4) is connected to the first heat exchanger (2). By the adoption of the air-conditioning system and the control method thereof, the technical problem that the power load of the air-conditioning system is large can be solved.

Description

technical field [0001] The invention belongs to the technical field of air conditioning, and in particular relates to an air conditioning system and a control method thereof. Background technique [0002] As a mature technology, energy storage is widely used in large-scale central air-conditioning systems, but energy storage technology is rarely used in small household central air-conditioning systems. In recent years, small household central air conditioners have maintained rapid growth, and their operating characteristics will put more and more pressure on the power supply system; and the air conditioning system has more defrosting times during winter operation, and cannot provide support during the defrosting period. Due to the continuous heating of the room, the operating heat load is larger and the energy consumption of the unit is larger in summer operation. [0003] Because the domestic multi-connected air-conditioning system in the prior art has technical problems s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F5/00F24F11/00F24F13/30F25B41/04F25B47/02F25B41/20
CPCF24F5/001F24F5/0017F24F11/30F24F13/30F25B47/02F24F11/41F24F2005/0032F25B2600/25F25B2347/021F25B2400/24F25B2313/02742F25B2313/02332F25B41/20Y02E60/14
Inventor 许克刘群波傅英胜余凯薛寒冬倪毅李耀东李龙飞
Owner GREE ELECTRIC APPLIANCES INC
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