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A control method and an indoor unit of a multi-connected air-conditioning system

A multi-connected air conditioner and control method technology, which is applied to air conditioning systems, heating methods, mechanical equipment, etc., and can solve problems such as changing the operating parameters of indoor units

Active Publication Date: 2020-07-07
QINGDAO HAIER AIR CONDITIONING ELECTRONICS CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] One of the purposes of the present invention is to provide a control method for a multi-connected air-conditioning system to solve the problem in the prior art that the indoor units need to be disassembled and the operating parameters of the indoor units need to be changed

Method used

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  • A control method and an indoor unit of a multi-connected air-conditioning system
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  • A control method and an indoor unit of a multi-connected air-conditioning system

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Embodiment Construction

[0017] In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be understood by those skilled in the art that the present invention may be practiced without these specific details. In other instances, well-known methods, procedures, components and circuits have not been described in detail so as not to obscure the present invention.

[0018] In order to enable a quicker understanding of the illustrative embodiments of the present invention, a brief description of the main idea of ​​the present invention is given first.

[0019] see figure 1 , figure 1 A schematic structural view of a multi-connected air-conditioning system (also known as a central air-conditioning system, a one-to-multiple system) is shown. The multi-connected air conditioning system is composed of a large number of indoor units and very few outdoor units. Taking one outdoor unit and multiple indoo...

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Abstract

Provided are a control method for a multi-split air-conditioning system, and an indoor unit. The method comprises: obtaining a first data frame sent by an outdoor unit from a communication bus, and analyzing a control type and target configuration stored in the fields of the first data frame; according to the analyzed control type, correspondingly operating and processing the target configuration; and packaging a processing result into a second data frame according to protocol standard of the communication bus, and sending the second data frame to an outdoor unit through the communication bus. Operating personnel does not need to reach the position of each indoor unit to perform adjustment by opening cabinets, and remote management control can be realized. In addition, the outdoor unit which is associated with all indoor units is used to control and operate each indoor unit, other processing and control devices are not needed, and a computer board of the outdoor unit can realize the above functions. The method is simple in operation process, and the operating personnel can operate without very high professional ability. Using the outdoor unit can realize one-to-one and one-to-many operation, and working efficiency is greatly improved.

Description

technical field [0001] The invention relates to the technical field of air-conditioning equipment, in particular to a control method and an indoor unit of a multi-connected air-conditioning system. Background technique [0002] In a multi-connected system, the maximum number of internal units can reach 512. All the preset parameters of these air-conditioning indoor units are uniformly set before leaving the factory, using exactly the same configuration parameters. However, due to the installation in different environments, the parameter configuration requirements are also different. If the installation height of the indoor unit of the air conditioner exceeds three meters, parameters such as wind speed and PMV opening degree need to be readjusted. However, the machine has been installed in place at this time, and it is possible that the customer’s decoration has been completed or the site environment restrictions cannot easily access the machine. , which brings great diffic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F1/0007F24F11/56F24F11/52
Inventor 程绍江禚百田时斌王军国德防
Owner QINGDAO HAIER AIR CONDITIONING ELECTRONICS CO LTD
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