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Air conditioner control device, multi-split air conditioner and air conditioner control method

A technology of a control device and a control method, which is applied to the control input of air characteristics, the control input of space heating and ventilation, and the air-conditioning system, etc., to achieve the effect of solving excess capacity and saving energy consumption

Active Publication Date: 2015-09-02
GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1
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  • Abstract
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Problems solved by technology

This method is at the cost of reducing energy efficiency. The energy output of the system is still greater than the energy demand, and it cannot fundamentally solve the problem of excess energy when one drags multiple air conditioners with small loads.

Method used

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  • Air conditioner control device, multi-split air conditioner and air conditioner control method
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  • Air conditioner control device, multi-split air conditioner and air conditioner control method

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Embodiment Construction

[0035] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0036] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described here. Therefore, the protection scope of the present invention is not limited by the specific details disclosed below. EXAMPLE LIMITATIONS.

[0037] figure 1 A block diagram of an air conditioner control device according to an embodiment of the present invention is shown.

[0038] Such as figure 1 As shown, the air conditioner control d...

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Abstract

The invention provides an air conditioner control device, a multi-split air conditioner and an air conditioner control method. The air conditioner control device comprises an indoor unit heat exchanger, an energy storage device and a fan, wherein the indoor unit heat exchanger is used for performing heat exchange on a refrigerant from an outdoor unit compressor of the multi-split air conditioner; the energy storage device performs heat exchange on the refrigerant again when the refrigerant after heat exchange by the indoor unit heat exchanger flows through the energy storage device, so that cold capacity or heat is stored; the fan is used for driving airflow to perform heat exchange with the refrigerant in the indoor unit heat exchanger when the cold capacity or heat in the energy storage device is lower than a preset threshold value, and is used for driving the airflow to perform heat exchange with the energy storage device when the cold capacity or heat in the energy storage device is higher than or equal to the preset threshold value. According to the scheme, liquid impact caused by excess capacity of the multi-split air conditioner in a low load state and longtime work of the outdoor unit compressor is avoided, and the safety performance of the multi-split air conditioner is improved.

Description

technical field [0001] The present invention relates to the technical field of air conditioners, in particular to an air conditioner control device, a one-driver-multiple air conditioner and an air conditioner control method. Background technique [0002] At present, in the air conditioner multi-split system, it has become the future development trend in the multi-split field to use a high-power variable-frequency outdoor unit compressor to replace multiple full-frequency outdoor compressor combinations or multiple fixed-frequency outdoor compressor combinations. [0003] However, the high-power frequency conversion outdoor unit compressor often has the difficulty of controlling the cooling of small loads. These difficulties are generally caused by the limited minimum frequency and power of the outdoor unit compressor. Because the size of the condenser is certain, this leads to the minimum capacity output of the system under some small-load cooling or heating conditions. Th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F1/00F24F11/00F24F11/02F24F13/30
CPCF24F1/00F24F11/30F24F11/62F24F11/65F24F11/89F24F13/30F24F2110/00F24F2140/50F24F2221/54
Inventor 郭剑樋口逸生董世龙赵增毅陈雍容
Owner GD MIDEA HEATING & VENTILATING EQUIP CO LTD
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