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Refrigeration control method and system

A refrigeration control and controller technology, applied in heating and ventilation control system, heating and ventilation safety system, control input related to air characteristics, etc., can solve problems such as evaporator overheating, affecting user experience, etc., to avoid severe overheating , Prevent the effect of high temperature and high humidity blowing water

Active Publication Date: 2018-07-27
AUX AIR CONDITIONING LTD BY SHARE LTD
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  • Summary
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, when an inverter air conditioner with capillary throttling is used for cooling operation in a high-temperature and high-humidity environment, due to the high load of the evaporator, the refrigerant has completely evaporated into a gaseous state when flowing through the front part of the evaporator, and the rear part of the evaporator The flow path is seriously overheated. After the air passes through the evaporator with uneven cold and hot heat, it will form a confluence of hot and cold air in the air duct of the internal unit. Affect the user experience

Method used

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  • Refrigeration control method and system
  • Refrigeration control method and system

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no. 1 example

[0040] see figure 1 , is a schematic block diagram of a refrigeration control system provided by a preferred embodiment of the present invention, the refrigeration control system is applied to an air conditioner, and the refrigeration control system includes a controller 1, an evaporator 2, a first temperature sensor 3, and a second temperature sensor 4 As well as the compressor 5 , the controller 1 is electrically connected to the evaporator 2 , the first temperature sensor 3 , the second temperature sensor 4 and the compressor 5 for signal interaction. Wherein, the controller 1 is a main control board of an air conditioner.

[0041] Wherein, the first temperature sensor 3 is used for detecting the indoor ambient temperature, the second temperature sensor 4 is used for detecting the evaporator temperature of the evaporator 2, and the controller 1 is used for when the difference between the indoor ambient temperature and the evaporator temperature is lower than the preset temp...

no. 2 example

[0056] see image 3 , is a flow chart of the refrigeration control method provided by the preferred embodiment of the present invention, the refrigeration control method is applied to the air conditioner to prevent the air conditioner from blowing water at high temperature and high humidity, and the following will describe image 3 The process shown is described in detail.

[0057] Step S101 , obtaining the indoor ambient temperature, the evaporator temperature, the outdoor ambient temperature and the operating frequency of the compressor 5 .

[0058] In the embodiment of the present invention, when the air conditioner is running in cooling mode, the first temperature sensor 3 detects the indoor ambient temperature and feeds back to the controller 1, the second temperature sensor 4 detects the temperature of the evaporator and feeds back to the controller 1, and the third temperature sensor 6 Detect the outdoor temperature and feed it back to the controller 1, and meanwhile t...

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Abstract

The invention provides a refrigeration control method and system used for preventing an air conditioner from blowing water at high temperature and high humidity during refrigeration operation. The refrigeration control method comprises the steps of acquiring indoor ambient temperature measured by a first temperature sensor, evaporator temperature measured by a second temperature sensor, and the operating frequency of an air conditioner compressor; reducing the compressor frequency when the difference between the indoor ambient temperature and the evaporator temperature is lower than a first preset temperature difference threshold and the compressor does not run at low frequency, so that the indoor ambient temperature and the evaporator temperature are maintained within the preset temperature difference range. According to the refrigeration control method and system stated in the invention, the indoor ambient temperature and the evaporator temperature can be maintained within the presettemperature difference range, and the air conditioner is prevented from blowing the water at high temperature and high humidity during refrigeration operation.

Description

technical field [0001] The invention relates to the field of air conditioning, in particular to a refrigeration control method and system. Background technique [0002] At present, when an inverter air conditioner with capillary throttling is used for cooling operation in a high-temperature and high-humidity environment, due to the high load of the evaporator, the refrigerant has completely evaporated into a gaseous state when flowing through the front part of the evaporator, and the rear part of the evaporator The flow path is seriously overheated. After the air passes through the evaporator with uneven cold and hot heat, it will form a confluence of hot and cold air in the air duct of the internal unit. Affect the user experience. Contents of the invention [0003] In view of this, the present invention aims to provide a cooling control method and system to prevent the air conditioner from blowing water at high temperature and high humidity during cooling operation. ...

Claims

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Application Information

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IPC IPC(8): F24F11/30F24F11/64F24F11/86F24F110/10F24F110/12
CPCF24F11/30F24F11/64F24F11/86F24F2110/10F24F2110/12
Inventor 方宁古汤汤吴小毛陈冬
Owner AUX AIR CONDITIONING LTD BY SHARE LTD
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