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Control method of multi-connected air conditioner

A control method and air conditioner technology, applied in air conditioning systems, heating and ventilation control systems, heating methods, etc., can solve problems such as feeling cold and reducing user experience

Active Publication Date: 2021-10-29
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

Even if the actual temperature of the room drops below the target temperature, the temperature detected by the indoor ambient temperature sensor will still be higher than the target temperature, and the air conditioner will still perform the warm-up mode at this time, so that the actual temperature of the room will continue to drop , the body feels cold, but the air conditioner cannot heat, which greatly reduces the user experience

Method used

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  • Control method of multi-connected air conditioner
  • Control method of multi-connected air conditioner
  • Control method of multi-connected air conditioner

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Embodiment Construction

[0022] Preferred embodiments of the present invention are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present invention, and are not intended to limit the protection scope of the present invention.

[0023] It should be noted that, in the description of the present application, terms such as "first", "second", and "third" are used for description purposes only, and should not be understood as indicating or implying relative importance. In addition, the multi-connected air conditioner includes one outdoor unit or a plurality of outdoor units, and the control method of the present invention is applicable to not only a multi-connected multi-connected air conditioner with one outdoor unit, but also applicable to a multi-connected air conditioner with multiple outdoor units. Multi-drag and multi-type multi-connected air conditioners.

[0024] ...

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Abstract

The invention relates to the technical field of air conditioning, and specifically provides a control method for a multi-connected air conditioner, aiming at controlling the indoor unit in a warm-up room to switch from a warm-up mode to a normal heating mode at a reasonable and accurate timing. The control method first turns on or off the fan of the indoor unit reaching the greenhouse alternately with a preset stop-on cycle to speed up the cooling speed of the indoor unit reaching the greenhouse, and then according to the comparison result between the indoor ambient temperature value and the target temperature value, Choose to switch the indoor unit directly from the warming mode to the normal heating mode, or increase the start-up time of the fan of the indoor unit and keep the downtime of the fan of the indoor unit unchanged to reduce the temperature of the indoor unit. The ambient temperature around the air conditioner is used to weaken the interference of the heat radiation of the indoor heat exchanger on the detection value of the indoor ambient temperature sensor, so that the air conditioner can control the indoor unit to switch from the high temperature mode to normal heating at a reasonable and accurate time mode to ensure that the actual indoor ambient temperature is always within the target temperature range.

Description

technical field [0001] The invention belongs to the technical field of air conditioners, and specifically provides a control method for a multi-connected air conditioner. Background technique [0002] Existing multi-connected air conditioners include a plurality of indoor units. Since the plurality of indoor units are in different indoor environments, it often occurs that some indoor units reach temperature while other indoor units are heating normally. At present, the multi-connected air conditioner will enter the temperature-reaching mode after the indoor unit reaches the temperature. In the temperature-reaching mode, the fan of the indoor unit in the greenhouse will stop running until it detects that the indoor ambient temperature is lower than the target temperature again, and the indoor machine will exit. Warm up mode, activate the normal heating mode to deliver hot air to the room. [0003] The existing multi-connected air conditioners are generally equipped with indo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/67F24F11/64F24F11/61F24F11/77F24F1/0003F24F110/12
CPCF24F1/0003F24F11/61F24F11/64F24F11/67F24F11/77F24F2110/12Y02B30/70
Inventor 王德平罗祖春徐菲菲潘孝军
Owner QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD
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