Method for improving heating effect of multi-connected machine indoor machines and unit thereof

A thermal effect, multi-connection technology, applied in heating methods, refrigeration components, refrigerators, etc., can solve the problems of insufficient total amount of refrigerant, high system energy consumption, and high compressor discharge temperature, and improve heating efficiency and energy consumption. low effect
CN105890118AActive Publication Date: 2016-08-24NINGBO AUX ELECTRIC
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Applications(China)
Current Assignee / Owner
NINGBO AUX ELECTRIC
Publication Date
2016-08-24

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Abstract

The invention discloses a method for improving the heating effect of multi-connected machine indoor machines and a unit thereof. The method comprises the steps of 1, stopping partial indoor machines while partial indoor machines of indoor units (5) carry out heating and carrying out operation for t1; 2, detecting the opening degree of an outdoor machine electronic expansion valve (4), obtaining the saturate temperature value T1 of an outdoor heat exchange machine (3) and detecting the exhaust temperature T2 of a compressor (1); 3, setting the refrigerant lack condition of the indoor machines in the heating mode according to the opening degree of the outdoor machine electronic expansion valve (4), the saturate temperature value T1 and the exhaust temperature T2 in the step 2, implementing the step 4 if the condition is met and otherwise, implementing the step 5; 4, increasing the opening degree of indoor machine electronic expansion valves (6) of the stopped indoor machines, and implementing the step 2; and 5, maintaining the increased opening degree of the indoor machine electronic expansion valves (6) of the stopped indoor machines. The method and the unit have the advantages that the heating effect is guaranteed, and the needed energy consumption is low.
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Description

technical field

[0001] The invention relates to a method for improving the heating effect of a multi-line internal mechanism and the unit thereof. Background technique

[0002] Air-conditioning has become a part of people's life as refrigeration or heating equipment, which improves the comfort of people's life, but the operation of air-conditioning needs to consume more electric energy. The operating cycle of the air conditioner is also longer, and generally there is no problem in running it for 10 years. At present, the multi-connected air conditioners on the market, especially when heating, adopt a new technical solution for the phenomenon of refrigerant bias flow, so that the heating effect of the system can be improved.

[0003] For example, the Chinese patent with the application number CN201110255060.4, the patent name is: Control method for preventing refrigerant drift when multi-connected air-conditioning unit is heating, the invention discloses a control method for...

Claims

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