Air conditioner system and control method thereof

An air-conditioning system and valve port technology, applied in refrigerators, refrigeration components, refrigeration and liquefaction, etc.

Active Publication Date: 2016-10-26
GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the present invention proposes an air conditioning system that not only solves the problem of small load operation, but also realizes uninterrupted heating and defrosting

Method used

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  • Air conditioner system and control method thereof
  • Air conditioner system and control method thereof

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Embodiment Construction

[0035] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0036] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation indicated by rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicati...

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Abstract

The invention discloses an air conditioner system and a control method thereof. The air conditioner system comprises a compressor, a main four-way valve, an auxiliary four-way valve, an indoor heat exchanger, a first throttling device, a second throttling device, a first on-off valve, a second on-off valve and a third on-off valve. According to the air conditioner system, the outdoor heat exchanger can be dismounted into two portions or multiple portions, and through combination of all parts and a pipeline and control over all valves, intermittent heating defrosting and low-load running control can be achieved.

Description

technical field [0001] The invention relates to the technical field of refrigeration, in particular to an air-conditioning system and a control method for the air-conditioning system. Background technique [0002] For the multi-connected air conditioning system, sometimes there will be a state of small load operation. The small-load operation of the air conditioner may cause liquid return to the compressor, insufficient exhaust superheat, or an increase in exhaust pressure. Long-term small-load operation will cause damage to the compressor and affect the safety of the system. The current solution to small-load operation is generally to bypass a part of the refrigerant in the compressor discharge pipeline to the low-pressure pipeline, and to balance the capacity difference between the internal and external heat exchangers through capacity unloading. But this method is not enough to fundamentally solve the problem of small load operation. [0003] In addition, when the air ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B13/00F25B41/04F25B47/02F25B41/20
CPCF25B13/00F25B47/025F25B2313/02742F25B41/31F25B41/20
Inventor 郭剑许永锋熊美兵杨元涛黄文
Owner GD MIDEA HEATING & VENTILATING EQUIP CO LTD
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