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Address competition method for multi-connected control system

A control system, multi-connection technology, applied in the field of address competition of multi-connection control systems

Active Publication Date: 2021-05-25
QINGDAO HAIER AIR CONDITIONING ELECTRONICS CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve the above-mentioned problems in the prior art, that is, in order to solve the technical problem of how to efficiently set the communication address of the indoor unit in the multi-connected air-conditioning system

Method used

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  • Address competition method for multi-connected control system
  • Address competition method for multi-connected control system
  • Address competition method for multi-connected control system

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Embodiment Construction

[0048] 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.

[0049] Firstly, it needs to be explained that the multi-connected control system in the present invention includes a master control device and multiple slave control devices, and each master control device is connected to multiple slave control devices respectively. In addition, the master control device communicates with the slave control devices connected to it using a master-slave bus communication method (the master control device acts as a master, and the slave control device acts as a slave). For example, the multi-connected control system may be a multi-connected air-conditioning system, in which the outdoor unit of the air conditioner ...

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Abstract

The invention relates to the technical field of multi-connected air-conditioning control, and specifically provides an address competition method for a multi-connected control system, aiming at solving the technical problem of how to efficiently set the communication addresses of indoor units in the multi-connected air-conditioning system. For this purpose, in the present invention, the main control device (such as the outdoor unit of the air conditioner) can order each address in the preset address segment sequentially. The slave control device (such as an air conditioner indoor unit) can respond to the master control device according to the preset response time and the current number of broadcasts requested by the master control device. Among them, the master control device temporarily assigned a communication address responds first, so as to quickly complete the address competition. At the same time, the main control device can also perform multiple continuous on-demand broadcasts for a certain address, so as to increase the success rate of address competition.

Description

technical field [0001] The invention relates to the technical field of multi-connected air conditioner control, in particular to an address competition method for a multi-connected control system. Background technique [0002] In a multi-connected air conditioning system, each outdoor unit can communicate interactively with multiple indoor units. In order to ensure reliable communication between the outdoor unit and each indoor unit, it is necessary to set a unique communication address for each indoor unit in advance. Currently, the communication address of the indoor unit can be set by manual setting or automatic allocation. Specifically, the manual setting method refers to setting the communication address of each indoor unit one by one by the operator before the start-up of the multi-connected air-conditioning system. This method has high reliability, but is not suitable for setting the addresses of indoor units in batches. The automatic allocation method refers to the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/12
CPCH04L61/50H04L61/5038H04L61/5092Y02P90/02F24F11/30
Inventor 禚百田时斌程绍江张锐钢王军邵文俊
Owner QINGDAO HAIER AIR CONDITIONING ELECTRONICS CO LTD
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