Control method and device for air conditioner compressor, and air conditioner

A technology for compressors and air conditioners, which is applied in control input involving air characteristics, space heating and ventilation control input, space heating and ventilation, etc. Compressor frequent downtime and other problems, to achieve the effect of improving the overall performance, taking into account the operating efficiency of the compressor, and reducing comfort

Inactive Publication Date: 2019-01-15
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Simply controlling the switching of the winding connection mode based on the frequency of the compressor can improve the operating efficiency of the compressor, but it cannot guarantee the comfort of the indoor environment
Moreover, when switching the winding connection mode, it is generally necessary to stop the compressor first and then switch. If the frequency changes frequently and the winding connection mode is frequently switched, the compressor needs to be stopped frequently, which will greatly affect the comfort of the indoor environment. Impact
Thus, using the existing method, the effect of improving the overall performance of the air conditioner by improving the efficiency of the compressor is reduced

Method used

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  • Control method and device for air conditioner compressor, and air conditioner
  • Control method and device for air conditioner compressor, and air conditioner
  • Control method and device for air conditioner compressor, and air conditioner

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Embodiment Construction

[0038] 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.

[0039] See figure 1 , which is a flow chart of an embodiment of an air conditioner compressor control method based on the present invention, specifically, a flow chart of a compressor control method of an embodiment that takes into account both environmental comfort and compressor operating efficiency.

[0040] Such as figure 1 As shown, the method for realizing the control of the compressor of the air conditioner in this embodiment includes the winding switching control process formed by the following steps:

[0041] Step 101: Calculate the temperature difference between the real-time indoor temperature and the indoor temperature target value, obtain the real-time indoor temperature difference, and compare the real-time indoor temperature differe...

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Abstract

The invention discloses a control method and device for an air conditioner compressor, and an air conditioner. The control method comprises the step of circularly executing the following winding switching control processes: the temperature difference between the real-time indoor temperature and an indoor temperature target value is calculated, and the real-time indoor temperature difference is obtained and compared with a first set indoor temperature difference threshold; if the real-time indoor temperature difference is not less than the first set indoor temperature difference threshold, windings of the compressor are controlled to be connected in a triangle mode; and if the real-time indoor temperature difference is less than the first set indoor temperature difference threshold, the windings of the compressor are controlled to be connected in a star-shape mode. By applying the control method, overall operation performance of the air conditioner can be improved.

Description

technical field [0001] The invention belongs to the technical field of air conditioning, in particular relates to an air conditioner and its control, more specifically relates to an air conditioner compressor control method, a control device and an air conditioner. Background technique [0002] The existing frequency conversion air conditioner has the advantages of more accurate temperature control, less power consumption, and lower noise than the fixed frequency air conditioner by adjusting the operating frequency of the compressor. For compressors, there are star connection and delta connection for the internal winding connection. When the compressor runs at the same frequency, the compressor efficiency corresponding to different winding connection is not completely the same. At present, the winding connection mode of most air conditioner compressors has been determined after leaving the factory and cannot be changed during operation. Under certain operating frequencies, t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/64F24F11/86F24F110/10
CPCF24F11/64F24F11/86F24F2110/10
Inventor 刘聚科许国景徐贝贝吕兴宇程永甫
Owner QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD
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