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Air conditioning system, control method of air conditioning system and air conditioner

A technology of an air conditioning system and a control method, which is applied to heating and ventilation control systems, heating and ventilation safety systems, heating methods, etc., can solve problems such as the inability of compressors to be effectively controlled, and achieve the effect of improving reliability

Active Publication Date: 2019-01-29
GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0003] The present invention aims to at least solve the technical problem that the compressor cannot be effectively controlled if the discharge temperature sensor fails in the control system existing in the prior art

Method used

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  • Air conditioning system, control method of air conditioning system and air conditioner
  • Air conditioning system, control method of air conditioning system and air conditioner
  • Air conditioning system, control method of air conditioning system and air conditioner

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Embodiment Construction

[0046] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0047] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described here. Therefore, the protection scope of the present invention is not limited by the specific details disclosed below. EXAMPLE LIMITATIONS.

[0048] figure 1 A flowchart showing a control method of an air conditioning system provided by an embodiment of the present invention.

[0049] like figure 1 As shown, the specific flow of the con...

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Abstract

The invention provides an air conditioning system, a control method of the air conditioning system and an air conditioner. The air conditioning system comprises a compressor. The control method of theair conditioning system comprises the following steps that the exhaust temperature Td of the compressor, the back temperature Ts of the compressor, the exhaust pressure Pc of the compressor, the backpressure Pe of the compressor and the outdoor environment temperature T4 are acquired; the first saturation temperature Tc corresponding to the exhaust pressure Pc and the back superheat degree SH are acquired; according to the exhaust temperature Td, the first saturation temperature Tc and the back superheat degree SH, whether an exhaust temperature sensor of the air conditioning system loses efficacy or not is judged; if the exhaust temperature sensor loses efficacy, the frequency of the compressor is adjusted according to the back superheat degree SH. According to the control method of theair conditioning system, after the exhaust temperature sensor loses efficacy, the frequency of the compressor is adjusted through the back superheat degree SH, then the frequency of the compressor can still be effectively controlled, then the air conditioning system can still keep the normal operation state, and the reliability of the air conditioning system can be improved.

Description

technical field [0001] The present invention relates to the technical field of air conditioning, in particular to a control method of an air conditioning system, an air conditioning system and an air conditioner. Background technique [0002] At present, sensors are widely used in air-conditioning systems, and more applications also mean that the temperature sensor has a higher failure probability, such as short circuit, open circuit, and temperature drift of the temperature sensor. The compressor, which is the core component of the air conditioning system, is equipped with at least a discharge temperature sensor. Once the compressor discharge temperature sensor fails, the parameters of components such as the frequency of the compressor in the outdoor unit and the valve body cannot be effectively controlled, which not only affects the service life of the air conditioning system, but also greatly affects the user experience of the air conditioner. Contents of the invention ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/38F24F11/52F24F11/64F24F11/84F24F11/86
CPCF24F11/38F24F11/52F24F11/64F24F11/84F24F11/86
Inventor 万永强许永锋梁伯启李波舒文涛钱小龙陈汝锋
Owner GD MIDEA HEATING & VENTILATING EQUIP CO LTD
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