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Air conditioner control method

A control method and air conditioner technology, applied in heating and ventilation control systems, refrigerators, refrigeration components, etc., can solve problems such as poor heating effect, improve utilization rate, ensure heat exchange efficiency, and improve heating energy efficiency Effect

Active Publication Date: 2022-07-19
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the above-mentioned problems in the prior art, that is, to solve the problem of poor heating effect in existing air conditioners, the present invention provides a control method for an air conditioner, the air conditioner includes a compressor, an outdoor unit condensing The condenser, the main capillary tube and the indoor unit evaporator, the outdoor unit condenser includes a heat exchange pipe section, a supercooling pipe section, a throttling element, a supercooling connecting pipe and several supercooling valves, and the first end of the supercooling pipe section passes through The main capillary is connected to the evaporator of the indoor unit, and the first end and the second end of the subcooling pipe section are divided into n subcooling intervals by the plurality of subcooling valves, among which several Each of the subcooling sections is connected to the first end of the throttling element through a supercooling connecting pipe, and the second end of the throttling element is connected to the heat exchange pipe section. The control method includes:

Method used

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Embodiment 1

[0055] First refer to figure 1 , the inverter air conditioner of the present invention will be described. in, figure 1 It is a system schematic diagram of the inverter air conditioner in the first embodiment of the present invention.

[0056] like figure 1 As shown, in order to solve the problem of poor heating effect of the existing air conditioner, the present application provides an inverter air conditioner, which includes an indoor unit, an outdoor unit, and a pipeline connecting the indoor unit and the outdoor unit. The outdoor unit includes a variable frequency compressor 1 , a four-way valve 2 , an outdoor unit condenser 5 , an outdoor fan 6 and a main capillary 7 , and the indoor unit includes an indoor unit evaporator 3 and an indoor fan 4 . The outdoor unit condenser 5 includes a heat exchange pipe section 51, a subcooling pipe section 52, a throttle element 53, a subcooling connecting pipe 54 and several subcooling valves (55a, 55b). The heat exchange pipe sectio...

Embodiment 2

[0089] Refer below figure 2 and Figure 5 , to introduce the heating control method of the air conditioner of the present application. in, Figure 5 It is a flowchart of the control method of the air conditioner of this invention.

[0090] like figure 2 and Figure 5 As shown, corresponding to the above-mentioned variable frequency air conditioner, the present application also provides a control method for the variable frequency air conditioner, the specific structure of which has been introduced in Embodiment 1, and will not be repeated here. Control methods include:

[0091] S100. During heating operation, obtain the outdoor ambient temperature; for example, during heating operation of the air conditioner, obtain the outdoor ambient temperature through a temperature sensor provided on the outdoor unit.

[0092] S200, compare the size of the outdoor ambient temperature and the temperature threshold; for example, the temperature threshold is a temperature that can refl...

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Abstract

The invention relates to the technical field of air conditioning, in particular to a control method of an air conditioner. The present invention aims to solve the problem of poor heating effect existing in the existing air conditioner. For this purpose, the control method of the present invention includes: obtaining the outdoor ambient temperature during heating operation; comparing the size of the outdoor ambient temperature and the temperature threshold; when the outdoor ambient temperature is less than the temperature threshold, obtaining the temperature of the heat exchange pipe section; According to the temperature of the pipe section, the opening and closing of several subcooling valves can be selectively adjusted to adjust the effective length of the subcooling pipe section. The above control method can effectively improve the heating effect of the air conditioner, improve the heating energy efficiency of the air conditioner, inhibit frost formation and effectively defrost.

Description

technical field [0001] The invention relates to the technical field of air conditioning, in particular to a control method of an air conditioner. Background technique [0002] Traditional inverter air conditioners only assess cooling energy efficiency and power, and use cooling energy efficiency as the energy efficiency rating standard, but have no requirements for heating power and capacity. Therefore, when developing inverter air conditioners, R&D personnel generally take the best cooling energy efficiency as the design principle. However, with the introduction and implementation of the new national energy efficiency standards, the cooling, heating power and energy efficiency of inverter air conditioners are all included in the assessment scope, and heating energy efficiency has a great impact on the overall energy efficiency of air conditioners. Its heating energy efficiency has become one of the most critical tasks in the current industry. [0003] In addition, in the p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/64F24F11/84F24F11/61F25B41/20F25B41/31F25B41/37F24F110/12
CPCF24F11/64F24F11/84F24F11/61F24F2110/12F25B2600/25
Inventor 罗荣邦许文明
Owner QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD
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