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Control method for air conditioner

A technology of an air-conditioning device and a control method, applied in the field of control, can solve the problems of low operation efficiency of the air-conditioning system, excessive cooling capacity of the air-conditioning device, and inability to accurately control the heat change trend of indoor equipment, etc., so as to improve the use efficiency and overall energy efficiency. Effect

Inactive Publication Date: 2014-12-31
CHUNGHWA TELECOM CO LTD
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AI Technical Summary

Problems solved by technology

Although this method can achieve the set indoor temperature conditions, because the heat of the indoor equipment cannot be known, it is impossible to carry out more precise control according to the heat change trend of the indoor equipment, so that the indoor ambient temperature is prone to excessive changes due to the heat generated by the indoor equipment. The cooling capacity of the air conditioner is too large, resulting in poor control of the cooling capacity of the air conditioner, resulting in problems such as excessive cooling capacity of the air conditioner or frequent start and stop of the air conditioner
Therefore, the existing air-conditioning control methods cannot predict the possible changes in the air-conditioning load in the next period, so that when a large amount of heat is released from the indoor equipment, it is difficult to accurately adjust the cooling capacity of the air-conditioning device, which makes the overall operation efficiency of the air-conditioning system low.
[0003] It can be seen that there are still many deficiencies in the above-mentioned conventional method, which is not a good design and needs to be improved urgently.

Method used

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Embodiment Construction

[0057] The present invention is to provide a control method for an air-conditioning device, which uses the heat gain in the air-conditioning area and the cooling capacity output by the air-conditioning device to achieve energy conservation, and indirectly controls the number of start-up and stop units, flow rate, or temperature, change the cooling capacity output by the air conditioner, so that the air conditioner has the function of automatically adjusting the cooling capacity, and can quickly provide low-temperature cooling when it is predicted to be a peak period of heat gain, that is, when the cooling efficiency is lower than the lower limit of the set range. To meet the cooling demand during the heat gain peak period; when it is predicted that the heat gain is off-peak period, that is, when the cooling efficiency is lower than the upper limit of the set range, low-speed high-temperature cooling can be provided to avoid excessive cold energy supply during the heat gain off-p...

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Abstract

The present invention discloses a control method for an air conditioner, comprising the steps calculating cooling efficiency according to the cooling capability value of the air conditioner and the obtained heat by an air conditioning area, dynamically adjusting the control parameters of the air conditioner, such as starting and closing, flow or temperature control processes of the air conditioner, and enabling the air conditioner to have a minimum cooling capability for automatically adjusting air temperature to be in accord with the required temperature of the air conditioning area, thereby increasing the comprehensive operation efficiency of the air conditioner system and achieving the purpose of saving energy.

Description

technical field [0001] The invention relates to a control method, in particular to an air conditioner energy-saving control method applied to an air conditioner. Background technique [0002] Existing air-conditioning control methods often use the comparison between the return air temperature of the air-conditioning device and a set temperature target value as a method for controlling environmental conditions. When the return air temperature of the air conditioner is higher than the indoor temperature target value, the air conditioner will be started to run, and once the target value is reached, the air conditioner will be stopped immediately. The air conditioner will not be restarted until the return air temperature of the air conditioner is higher than the target value. Although this method can achieve the set indoor temperature conditions, because the heat of the indoor equipment cannot be known, it is impossible to carry out more precise control according to the heat ch...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/00
Inventor 侯宏奇吴武杰吕光钦
Owner CHUNGHWA TELECOM CO LTD
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