Address competition method of multi-connected type control system

A control system and multi-connection technology, which is applied in the field of address competition of multi-connection control systems, to achieve the effect of increasing address allocation speed, reducing competition time consumption, and reducing bus mediation time

Active Publication Date: 2018-09-11
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] 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 of multi-connected type control system
  • Address competition method of multi-connected type control system
  • Address competition method of multi-connected type 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 type air conditioner control, and specifically provides an address competition method of a multi-connected type control system. The address competition method of a multi-connected type control system aims at solving the technical problem of how to set an indoor machine communication address in the multi-connected type air conditionersystem efficiently. For the purpose, a primary control device (such as an air conditioner outdoor machine) can perform on-demand broadcasting on each address in a preset address section in sequence. Asecondary device (such as the air conditioner indoor machine) can answer the primary control device based on preset answering time and the number of currently on-demand broadcasting times of the primary control device. The primary control device to which a communication address is distributed temporarily answers preferably so as to finish address competition rapidly. Meanwhile, the primary control device can perform continuous on-demand broadcasting on one address for many times, so that the competition success rate of the address is increased.

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 Applications(China)
IPC IPC(8): H04L29/12
CPCH04L61/50H04L61/5038H04L61/5092F24F11/30
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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