Air conditioner frequency-conversion driving control system and air conditioner using same

A variable frequency drive and control system technology, applied in the field of control systems, can solve problems such as high cost, unsuitable for large-scale promotion and application, complex power module control technology, etc., and achieve the effect of reducing installation size and control cost

Inactive Publication Date: 2014-05-28
傅先凤
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the control technology of the power module in this patent is too complicated and the cost is too high, so it is not suitable for large-scale promotion and application

Method used

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  • Air conditioner frequency-conversion driving control system and air conditioner using same
  • Air conditioner frequency-conversion driving control system and air conditioner using same
  • Air conditioner frequency-conversion driving control system and air conditioner using same

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Embodiment Construction

[0030] The embodiment of the present invention discloses an air conditioner variable frequency drive control system, which includes a compressor motor and a fan motor, and also includes a single variable frequency drive; Simultaneous control of the fan motor; preferably, the voltage / frequency curve of the fan motor and the voltage / frequency curve of the compressor motor are the same.

[0031] In the embodiment of the present invention, the voltage / frequency curve of the fan motor and the voltage / frequency curve of the compressor motor are set to be the same or similar, that is, the fan motor and the compressor can realize synchronous operation. The product of the maximum speed and the number of poles of the compressor is set equal to the product of the maximum speed of the compressor and the number of poles, that is, the highest operating speed that can be achieved by the fan motor and the compressor motor can be achieved respectively. In this way, a single variable frequency d...

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Abstract

The invention discloses an air conditioner frequency-conversion driving control system and an air conditioner using the same. The air conditioner frequency-conversion driving control system comprises a compressor motor, a fan motor and a single frequency-conversion driver. An output shaft of the frequency-conversion driver is simultaneously connected with the compressor motor and the fan motor, so that the compressor motor and the fan motor are simultaneously controlled. The control cost is greatly reduced on the premise that the running efficiency and the energy efficiency ratio of the air conditioner frequency-conversion driving control system are equivalent to those of a double-frequency-conversion air conditioner driving system, and the mounting size of the air conditioner frequency conversion system is effectively reduced.

Description

technical field [0001] The invention relates to a control system, in particular to an air conditioner frequency conversion drive control system and the air conditioner to which it is applied. Background technique [0002] The air conditioning system has two motors, namely a compressor motor used for the operation of the compressor and a fan motor used for the operation of the fan. [0003] Among them, the compressor is the heart of the refrigeration (heating) system. It inhales low-temperature and low-pressure refrigerant gas from the suction pipe, drives the piston to compress it through the operation of the compressor motor, and discharges high-temperature and high-pressure refrigerant to the exhaust pipe. The gas provides power for the refrigeration cycle, thereby realizing the refrigeration cycle of compression→condensation→expansion→evaporation (heat absorption). A compressor generally consists of a housing, compressor motor, cylinder, piston, control equipment (starte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/02F25B31/02
CPCY02B30/70
Inventor 傅先凤
Owner 傅先凤
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