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Energy saving control method, system and air conditioner

An energy-saving control system and energy-saving control technology, applied in heating and ventilation control systems, heating and ventilation safety systems, heating methods, etc., can solve problems such as low energy efficiency and air conditioners that cannot achieve energy-saving effects, and achieve the goal of improving energy-saving effects Effect

Active Publication Date: 2015-12-16
GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, during the whole process of air conditioner operation, most of the time is in a state of relatively low energy efficiency, so that the air conditioner cannot achieve the best energy-saving effect

Method used

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  • Energy saving control method, system and air conditioner
  • Energy saving control method, system and air conditioner
  • Energy saving control method, system and air conditioner

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0045] see figure 2 The first embodiment of the energy-saving control method of the present invention is shown. The energy-saving control method is mainly applied to air conditioners, which includes the following steps:

[0046] Step S100, detecting the ambient temperature.

[0047] Preferably, the ambient temperature in this embodiment includes indoor ambient temperature T1 and outdoor ambient temperature T4. Of course, it is also possible to detect only the indoor ambient temperature T1 or the outdoor ambient temperature.

[0048] Step S200, query the highest energy efficiency comparison table, and match the optimal operating frequency of the compressor according to the ambient temperature.

[0049] The highest energy efficiency comparison table in this embodiment includes indoor ambient temperature T1, outdoor ambient temperature T4 and optimal operating frequency F, and each indoor ambient temperature T1 and outdoor ambient temperature corresponds to an optimal operatin...

example 1

[0077] If there is no corresponding outdoor ambient temperature T4 but there is a corresponding indoor ambient temperature T1, then search the two approximate outdoor ambient temperatures T41 and T42 closest to the outdoor ambient temperature T4 in the maximum energy efficiency comparison table, and T42> T41; According to the approximate outdoor ambient temperature T41 and indoor ambient temperature T1, the corresponding approximate optimal operating frequency F1 is obtained, and the corresponding approximate optimal operating frequency F2 is obtained according to the approximate outdoor ambient temperature T42 and indoor ambient temperature T1; the calculated approximate optimal operating frequency is based on the interpolation method Describe the optimal operating frequency F=F1+(F2-F1)*(T4-T41) / (T42-T41) corresponding to the indoor ambient temperature T1 and the outdoor ambient temperature T4.

[0078] For example, the indoor ambient temperature T1 and the outdoor ambient te...

example 2

[0080] If there is no corresponding indoor ambient temperature T1 in the highest energy efficiency comparison table but there is a corresponding outdoor ambient temperature T4, then search for the two approximate indoor ambient temperatures T11 and T11 that are closest to the indoor ambient temperature T1 and T12, and T12>T11; according to the approximate indoor ambient temperature T11 and outdoor ambient temperature T4 to obtain the corresponding approximate optimal operating frequency F1, according to the approximate indoor ambient temperature T12 and outdoor ambient temperature T4 to obtain the corresponding approximate optimal operating frequency F2; The optimal operating frequency F=F1+(F2-F1)*(T1-T11) / (T12-T11) corresponding to the indoor environment temperature T1 and the outdoor environment temperature T4 is calculated by an interpolation method.

[0081] For example, it is detected that the indoor ambient temperature T1 and the outdoor ambient temperature T4 are 20°C a...

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Abstract

The invention discloses an energy saving control method and system as well as an air conditioner. The energy saving control method comprises the following steps of: step S100, detecting the environment temperatures; step S200, inquiring a maximum energy efficiency comparison table, and matching the best running frequency of a compressor according to the environment temperatures, and step S300, controlling the compressor to run according to the best running frequency. The energy saving control method provided by the invention has the advantages of matching the corresponding best running frequency by detecting the environment temperatures under different working conditions and controlling the compressor to run according to the best running frequency, thereby enabling the air conditioner to always run at the maximum energy efficiency ratio and increasing the energy saving effect of the air conditioner.

Description

technical field [0001] The invention relates to the technical field of air conditioners, in particular to an energy-saving control method and system and an air conditioner with the energy-saving control system. Background technique [0002] When the air conditioner is in cooling or heating operation, under a certain working condition, that is, under a certain ambient temperature, as the operating frequency of the compressor increases, the energy efficiency ratio of the air conditioner first increases and then decreases, and the energy efficiency The operating frequency corresponding to the highest point is the optimal operating frequency of the compressor. Under different working conditions, that is, under different ambient temperature conditions, the optimal operating frequency corresponding to the highest energy efficiency ratio is different, that is, different operating conditions correspond to different optimal operating frequencies. Such as figure 1 The graph showing ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/00
Inventor 李金波陈建昌
Owner GD MIDEA AIR-CONDITIONING EQUIP CO LTD