Networked air-conditioner control system and method
A technology of a control system and a control method, which is applied in heating and ventilation control systems, heating and ventilation safety systems, heating methods, etc., can solve problems such as network paralysis, difficulty in networking, and restrictions on network upgrade and capacity expansion, and achieve easy expansion. , The effect of flexible and diverse methods and convenient maintenance
Inactive Publication Date: 2012-07-11
GUANGDONG CHIGO AIR CONDITIONING
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Problems solved by technology
[0003] 1. Each node is short-circuit connected, and the damage of any node may cause the entire network to be paralyzed
[0004] 2. The devices in the network need to be addressed manually, which makes networking difficult
[0005] 3. There is no efficient troubleshooting method for network nodes, making network maintenance difficult
[0006] 4. The network capacity is limited by the load capacity of the 485 bus, and the network upgrade and capacity increase are limited
Method used
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[0034] like figure 1 As shown, a network air conditioning control system of the present invention includes N hubs, N network relay stations, N groups of air conditioners, a local host computer, and a remote computer; the N hubs are connected step by step, the first The level hub is connected to the local host computer; each group of air conditioners is composed of 8 air conditioners, and each hub is connected to a group of air conditioners; each hub is connected to a network relay station through a serial interface, and the network relay station is connected to a remote computer through Ethernet .
[0035] like figure 2 As shown, each hub includes a single-chip microcomputer, 8 air-conditioning port 485 chips, an upper-level port 485 chip and a lower-level port 485 chip; the single-chip microcomputer is connected with the air-conditioning port 485 chip, the upper-level port 485 chip and the lower-level port 485 chip respectively; The single-chip microcomputer is also connec...
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The invention discloses a networked air-conditioner control system, which comprises a plurality of groups of air conditioners, a plurality of concentrators and a local upper computer. Each upper-level concentrator is connected with the corresponding lower-level concentrator, the first-level concentrator is the local upper computer, each concentrator is connected with the corresponding group of air conditioners and consists of a single chip microcomputer, air conditioner port 485 chips, an upper-level port 485 chip and a lower-level port 485 chip, and each single chip microcomputer is respectively connected with the corresponding air conditioner port 485 chips, the corresponding upper-level port 485 chip and the corresponding lower-level port 485 chip. The invention further discloses a networked air-conditioner control method for the system. Compared with the prior art, the networked air-conditioner control system and the networked air-conditioner control method have the advantages that nodal points are separated from each other, networking is easy, maintenance is convenient and quick, extension is realized easily.
Description
technical field [0001] The invention relates to the field of air conditioner control, in particular to a network air conditioner control system and method. Background technique [0002] Generally, hospitals, shopping malls, office buildings and other places have multiple air conditioners installed. If each air conditioner needs to be controlled separately, it will result in a waste of manpower and material resources. At present, there are also air-conditioning control systems that can realize centralized control of multiple air-conditioners, but this type of air-conditioning control system is a network with a linear topology built on a 485 bus, which has the following disadvantages: [0003] 1. Each node is short-circuited, and the damage of any node may lead to the paralysis of the entire network. [0004] 2. The devices in the network need to be addressed manually, which makes networking difficult. [0005] 3. There is no efficient troubleshooting method for network node...
Claims
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IPC IPC(8): F24F11/00
Inventor 朱坤燕黄炜徐林
Owner GUANGDONG CHIGO AIR CONDITIONING