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Air conditioner capable of preventing liquid strike and control method thereof

A control method and technology of an air conditioner, applied in the field of air conditioners

Active Publication Date: 2019-11-29
NINGBO AUX ELECTRIC +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method cannot fundamentally solve the problem of liquid hammer damage to the compressor

Method used

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  • Air conditioner capable of preventing liquid strike and control method thereof

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Embodiment Construction

[0014] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0015] The air conditioner includes an indoor unit, an outdoor unit, a valve 3 and a compressor 4. The indoor unit includes a first indoor unit heat exchanger 11, a second indoor unit heat exchanger 12, an indoor fan 13, an indoor electromechanical heater 14, and an inner panel temperature sensor. Device 15, inner ring temperature sensing device 16, outdoor unit including outdoor unit heat exchanger 21, outdoor fan 22, outer disk temperature sensing device 23, and outer ring temperature sensing device 24.

[0016] The air conditioner also includes a throttling device and a plurality of two-way valves. Through the on and off states of the two-way valves, the series and parallel connection of the first indoor unit heat exch...

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Abstract

The invention provides an air conditioner capable of preventing liquid strike and a control method thereof. The air conditioner capable of preventing liquid strike comprises an indoor machine and an outdoor machine, wherein the indoor machine comprises a first indoor machine heat exchanger, a second indoor machine heat exchanger and a plurality of two-way valves; and the series-parallel connectionstate of the first indoor machine heat exchanger and the second indoor machine heat exchanger is changed through the conduction and disconnection state of the multiple two-way valves, so that the flow of refrigerant in the air conditioner is changed, the problem of air suction and liquid entrainment cannot occur in a refrigeration low-load state, and the liquid strike phenomenon is avoided.

Description

Technical field [0001] The present invention relates to the technical field of air conditioners, and in particular to an air conditioner and a control method for preventing liquid hammer. Background technique [0002] When the air conditioner has a low refrigeration load and a low load, the compressor is likely to bring in liquid during suction and cause liquid hammer, which will seriously affect the reliability of the compressor. At present, in conventional refrigeration and air-conditioning, when the suction superheat is insufficient and liquid hammer may occur, the method of dissecting the long-term operation of the compressor is used to assist in determining the reliability of the compressor. This method cannot fundamentally solve the problem of damage to the compressor caused by the liquid hammer phenomenon. Summary of the invention [0003] The problem solved by the present invention is to adjust the flow of the refrigerant in the air conditioner to ensure that the problem ...

Claims

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Application Information

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IPC IPC(8): F24F11/89F24F11/64F25B41/00F25B41/04F25B39/00F25B49/02F25B41/20F25B41/40
CPCF24F11/89F24F11/64F25B41/00F25B39/00F25B49/02F25B41/20
Inventor 汪云霞曾友坚
Owner NINGBO AUX ELECTRIC
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