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Method and device for adjusting operating frequency of compressor and air conditioner

A technology of working frequency and compressor, applied in the direction of heating, mechanical equipment, space heating and ventilation, etc., can solve the problem of high exhaust pressure and achieve the effect of avoiding excessive exhaust pressure

Active Publication Date: 2021-05-14
NINGBO AUX ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The problem solved by the invention is to quickly adjust the operating frequency of the compressor to avoid excessive exhaust pressure

Method used

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  • Method and device for adjusting operating frequency of compressor and air conditioner
  • Method and device for adjusting operating frequency of compressor and air conditioner
  • Method and device for adjusting operating frequency of compressor and air conditioner

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Embodiment Construction

[0028]In order to make the above objects, features, and advantages of the present invention, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0029]Please refer tofigure 1 The air conditioner 100 includes: memory 110, processor 120, and communication unit 130. The memory 110, processor 120, and communication unit 130 are electrically connected directly or indirectly between each other to implement data transmission or interaction. For example, these elements can be electrically connected to each other with one or more communication bus or signal lines.

[0030]The memory 110 is used to store programs or data. The memory 110 can be, but not limited to, a random access memory (RAM), a read only memory (ROM), programmable read-only memory (Programmable Read-Only Memory, PROM), ErasableProgramMable Read-Only Memory, ERASABLROGRAMMABLE, ELECTRIC ERASABLROGRAMMABLE READ-ONLY MEMORY, EEPROM, etc.

[0031]Processor 120...

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Abstract

The present invention relates to the technical field of air conditioning, in particular to a method and device for adjusting the working frequency of a compressor, and an air conditioner. Not less than the temperature threshold, and the number of indoor units connected to the same outdoor unit increases, the target operating frequency of the compressor is calculated based on the outdoor ambient temperature and the total load of the indoor units in the powered-on state, and the compressor is adjusted according to the calculated target operating frequency The current working frequency is to avoid the problem of compressor protection shutdown caused by excessive exhaust pressure when the number of refrigeration startups increases.

Description

Technical field[0001]The present invention relates to the field of air conditioning, and in particular, to a method, apparatus, and air conditioner for operating frequency adjustment of the compressor.Background technique[0002]In the case of multi-haircut, the compressor frequency is adjusted by the target evaporation pressure. When the exhaust pressure is higher than 3.8 MPa, in order to give priority to the system reliability, the compressor frequency performs PID adjustment according to the target exhaust pressure. The number of starters is increased. Since the indoor electrical elastic expansion valve is opened, the system evaporation pressure increases. When the external ambient temperature is greater than the threshold, the ideal operating frequency calculated by the air conditioner system will present a first raised reducing. Process, that is, in the process of increasing the number of starting platforms, under ideal conditions, the compressor will work with a steady increase...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/86F24F11/64F24F110/12
CPCF24F11/64F24F11/86F24F2110/12
Inventor 张秋玉刘合心刘潘陈华
Owner NINGBO AUX ELECTRIC
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