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Frequency conversion air conditioner and control method of frequency conversion air conditioner

A technology of frequency conversion air conditioner and control method, which is applied in heating and ventilation control systems, heating methods, space heating and ventilation, etc., can solve the problems of low energy efficiency and high power consumption of frequency conversion air conditioners, and reduce high power consumption , Improve efficiency and energy efficiency

Pending Publication Date: 2016-05-04
GREE ELECTRIC APPLIANCES INC
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Problems solved by technology

[0003] An embodiment of the present invention provides an inverter air conditioner and a control method for the inverter air conditioner to solve the problems of low energy efficiency and high power consumption of the inverter air conditioner in the prior art

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  • Frequency conversion air conditioner and control method of frequency conversion air conditioner
  • Frequency conversion air conditioner and control method of frequency conversion air conditioner
  • Frequency conversion air conditioner and control method of frequency conversion air conditioner

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Embodiment Construction

[0018] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

[0019] see figure 1 and figure 2 As shown, according to the embodiment of the present invention, an inverter air conditioner is provided. The inverter air conditioner includes an inverter compressor 10 and an inverter circuit 20 corresponding to the inverter compressor. The inverter circuit 20 includes a first inverter 21 and the second inverter 22, the first inverter 21 and the second inverter 22 are connected in parallel on the DC bus.

[0020] By connecting the first inverter 21 and the second inverter 22 in parallel to the +Udc voltage of the DC bus, the capacity of the original single inverter in the prior art can be divided into two equal parts. When the inverter air conditioner is under low load , will run at a lower frequency. At this time, the mode of two inverters working ...

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Abstract

The invention discloses a frequency conversion air conditioner and a control method of the frequency conversion air conditioner. The frequency conversion air conditioner comprises a frequency conversion compressor and an inverter circuit corresponding to the frequency conversion compressor. The inverter circuit comprises a first inverter and a second inverter which are arranged on a direct current bus in a parallel connection mode. The frequency conversion air conditioner and the control method of the frequency conversion air conditioner effectively solve the problems that an frequency conversion air conditioner is low in energy efficiency and high in power consumption in the prior art.

Description

technical field [0001] The invention relates to the technical field of air conditioners, in particular to an inverter air conditioner and a control method for the inverter air conditioner. Background technique [0002] In the prior art, the frequency conversion air conditioner (low cooling capacity) generally adopts a single compressor, and the frequency conversion control adopts a single inverter to realize. When the air conditioner is running at a specific frequency, the efficiency of the compressor and inverter is constant, and the efficiency can only be improved by optimizing other parts of the system. When the inverter air conditioner is under low load, it will run at a lower frequency. Due to the low efficiency of the compressor and inverter, the energy efficiency of the inverter air conditioner is low and the power consumption is high. Contents of the invention [0003] Embodiments of the present invention provide an inverter air conditioner and a control method fo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/00
CPCF24F11/30F24F11/70F24F11/52
Inventor 潘高强张有林
Owner GREE ELECTRIC APPLIANCES INC
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