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A compressor exhaust fault detection method, compressor and air conditioner

A technology for compressor exhaust and fault detection, which is applied in the field of compressor exhaust fault detection, compressors and air conditioners, can solve problems such as power consumption waste, increase failure rate, load start and stop, etc., to reduce physical damage to loads, The effect of improving the overall performance and improving the service life

Active Publication Date: 2020-01-31
GREE ELECTRIC APPLIANCES INC
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

This kind of fault false alarm will increase the failure rate, cause unnecessary start and stop of load, cause load physical loss, waste of power consumption, unstable system performance and other problems, thus affecting the overall performance of the unit

Method used

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  • A compressor exhaust fault detection method, compressor and air conditioner

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Embodiment Construction

[0021] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the following specific examples are only used to explain the present invention, but not to limit the present invention.

[0022] When the air conditioning unit meets the opening conditions, the unit and the ambient temperature of the space are relatively low (compared to the normal temperature range detected by the exhaust temperature sensor), and the compressor exhaust temperature detected by the temperature sensor is too low at this time, the control The compressor triggers the low temperature protection (open circuit fault), reports the compressor exhaust open circuit fault, and controls the relevant loads to execute the shutdown action. In order to solve this technical problem, the method proposed by the present invention is ...

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Abstract

The invention discloses a method for detecting exhaust faults of a compressor, the compressor and an air conditioner. The method comprises the steps that after the compressor meets the startup condition to be started, a shield temperature wrap detects the open-circuit fault of exhaust temperature within set time; and when the compressor is in the startup state, the shield temperature wrap detectsthe open-circuit fault and the short-circuit fault of the exhaust temperature. The method is used for correcting detection of the exhaust temperature of the compressor, compressor frequent starting and stopping caused by erroneous judgment are reduced, and the service life of a unit is prolonged.

Description

technical field [0001] The invention relates to the technical field of air conditioning, in particular to a compressor exhaust fault detection method, a compressor using the method and an air conditioner. Background technique [0002] The normal operation of the compressor in the air conditioner unit is the guarantee to meet the cooling or heating effect of the air conditioner. Compressor discharge temperature is too high, or too low will affect the compressor. When the exhaust temperature is low, an open circuit fault occurs, and when the exhaust temperature is high, a short circuit fault occurs. Therefore, an exhaust temperature sensor is installed at the exhaust end of the compressor to monitor the exhaust temperature. At present, the detection method of the exhaust temperature sensor of the air conditioner is: if the temperature of the exhaust temperature sensor is detected to be too high or low for a continuous period of time, an open circuit or short circuit fault wi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/38F24F11/86
CPCF24F11/38F24F11/86
Inventor 孙亚丽俞煜辉郭双林周葆林杨光祥
Owner GREE ELECTRIC APPLIANCES INC