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Compressor and its control method, air conditioner

A control method and compressor technology, which is applied in the direction of machines/engines, refrigerators, refrigeration components, etc., can solve problems such as increased compressor vibration, poor working conditions, and crankshaft reversal, so as to reduce vibration amplitude and improve system life , the effect of improving performance

Active Publication Date: 2020-07-28
GREE ELECTRIC APPLIANCES INC
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the compressor suddenly stops, the working conditions will be even worse, the inertial force and refrigerant pressure are at the maximum, and there is a high pressure difference between the exhaust chamber and the suction chamber, which may also cause the crankshaft to reverse, further increasing the compressor vibration
[0004] At the same time, when the compressor starts, the greater the pressure in the compression chamber, the greater the torque that needs to be provided by the motor. If the motor cannot provide enough torque, it will fail to start or the starting performance will be reduced. This abnormal starting state, Easier to aggravate compressor shaking

Method used

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  • Compressor and its control method, air conditioner
  • Compressor and its control method, air conditioner
  • Compressor and its control method, air conditioner

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Embodiment Construction

[0046] see in conjunction Figure 1 to Figure 5 As shown, according to the embodiment of the present invention, the compressor includes a housing 1, a crankshaft 2 is arranged in the housing 1, and the inner cavity of the housing 1 forms a high-pressure discharge chamber 4 and a low-pressure chamber 5, and the high-pressure discharge chamber 4 and the low-pressure chamber The cavity 5 can be selectively communicated through the crankshaft 2 .

[0047] When the compressor starts or stops suddenly, the high-pressure discharge chamber 4 and the low-pressure chamber 5 can be connected through the crankshaft 2, so as to release the pressure in time, balance the pressure difference between the high-pressure discharge chamber 4 and the low-pressure chamber 5, and reduce or eliminate the Refrigerant pressure load, improve compressor start-up and continuous start-up performance, achieve continuous start-up effect in a very short time, reduce vibration amplitude during compressor start-...

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Abstract

The invention provides a compressor, a control method thereof and an air conditioner. The compressor comprises a shell (1). A crankshaft (2) is arranged in the shell (1). A high-pressure exhaust cavity (4) and a low-pressure cavity (5) are formed in an inner cavity of the shell (1). The high-pressure exhaust cavity (4) and the low-pressure cavity (5) can selectively communicate through the crankshaft (2). According to the compressor provided by the invention, vibration of the compressor can be reduced in the start and stop process.

Description

technical field [0001] The invention belongs to the technical field of air compression, and in particular relates to a compressor, a control method thereof, and an air conditioner. Background technique [0002] When the air conditioner compressor and its piping are started and stopped, the compressor shakes a lot, which causes the pipeline to deform greatly, causing the stress on the pipeline to increase sharply, causing the pipeline to break or cause large fatigue damage. [0003] In a deeper level, when the compressor starts suddenly, the rotor will generate a gradually increasing rotational inertia force, and at the same time, the load of the compression chamber will increase, causing the high-pressure refrigerant to collide with the compressor shell, and the combination of the two will give the compressor a large impact, making the compression The machine shakes a lot. When the compressor suddenly stops, the working conditions will be even worse, the inertial force and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04C28/00F04C29/00F04C29/12F25B49/02
CPCF04C28/00F04C29/00F04C29/12F25B49/022F25B2500/13
Inventor 荆振洋杨阳汪建何维令李亚慧张建勋
Owner GREE ELECTRIC APPLIANCES INC
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