CN104089371B - Multi-online air-conditioning system - Google Patents
Multi-online air-conditioning system Download PDFInfo
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- CN104089371B CN104089371B CN201410312939.1A CN201410312939A CN104089371B CN 104089371 B CN104089371 B CN 104089371B CN 201410312939 A CN201410312939 A CN 201410312939A CN 104089371 B CN104089371 B CN 104089371B
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Abstract
The invention discloses a kind of multi-online air-conditioning system.This system includes off-premises station, indoor set and line control machine, is connected by first network layer communication between off-premises station and indoor set；Connected by the second Internet communication between indoor set and line control machine；First network layer and the second Internet collectively form communication network；Communication network carries out communication by CAN agreement.It builds the communication network that various equipment carry out data transmission in multiple on-line system of layering based on CAN communication mode, all nodes that the equipment such as off-premises station in network and indoor set are constituted are all equality, if whenever network idle, all nodes can send data by communication network, communication efficiency is high, real-time.And communication network is the network of stratification, favorable expandability, networking flexibility, it is simple to the centralized supervisory of multi-online air-conditioning system and control.
Description
Technical field
The present invention relates to field of air conditioning, particularly relate to a kind of multi-online air-conditioning system.
Background technology
In air conditioning system, the communication network of multi-connected machine is communication system the most complicated inside air-conditioning, and its network sets
Slave node is many, data interaction amount is big, communication distance is remote, data age and accuracy requirement high, this is to many
Online communication proposes high requirement.In conventional art, the communication network of multi-connected machine is based on RS-485 mostly
Communication modes is set up, and its network uses host-guest architecture, i.e. main control computer circulation to call the roll from machine, main from machine response
The mode of control machine, so cause in traditional multi-online air-conditioning system significant data response poor in timeliness,
Communication efficiency is low.
Summary of the invention
Based on this, it is necessary to make for multi-online air-conditioning system in conventional art uses RS-485 communication modes
The problem of significant data effective poor, communication efficiency accordingly the in one-tenth system, it is provided that a kind of data response reality
The new multi-online air-conditioning system that effect property is high.
For realizing a kind of multi-online air-conditioning system that the object of the invention provides, including off-premises station, indoor set and line
Control device, is connected by first network layer communication between described off-premises station and described indoor set；
Connected by the second Internet communication between described indoor set and described line control machine；
Described first network layer and described second Internet collectively form communication network；
Described communication network carries out communication by CAN agreement.
As the embodiment of a kind of multi-online air-conditioning system, described off-premises station is at least two, described logical
News network also includes the 3rd Internet, and off-premises station described at least two is connected by described 3rd Internet communication.
As the embodiment of a kind of multi-online air-conditioning system, also include that Centralized Controller and/or building control
Gateway；
Described Centralized Controller and/or building control gateway and are connected with described 3rd Internet communication.
As the embodiment of a kind of multi-online air-conditioning system, also include one end and described first network layer and/
Or described 3rd Internet connect protocol converter, and described protocol converter the other end connect computer；
Described computer is for being monitored described indoor set and/or described off-premises station.
As the embodiment of a kind of multi-online air-conditioning system, described indoor set is one, described line control machine
For at least two.
As the embodiment of a kind of multi-online air-conditioning system, the quantity of described indoor set is less than or equal to 16.
As the embodiment of a kind of multi-online air-conditioning system, described at least two, off-premises station connects at least two
Individual different described first network layer.
As the embodiment of a kind of multi-online air-conditioning system, the communication baud rate of described first network layer is
20Kbps。
As the embodiment of a kind of multi-online air-conditioning system, the communication baud rate of described 3rd Internet is
50Kbps。
As the embodiment of a kind of multi-online air-conditioning system, in off-premises station described at least two is set
The controller of individual described off-premises station is master controller, and described main controller controls is by described first network layer
The sequential of transmission data.
The beneficial effect comprise that a kind of multi-online air-conditioning system that the present invention provides, lead to based on CAN
News mode builds the communication network that various equipment carry out data transmission in multiple on-line system of layering, network
In off-premises station and all nodes of constituting of the equipment such as indoor set be all equality, as long as whenever network is empty
In the spare time, all nodes can send data by communication network, and communication efficiency is high, real-time.And communication
Network is the network of stratification, favorable expandability, networking flexibility, it is simple to the centralized supervisory of multi-online air-conditioning system
And control.
Accompanying drawing explanation
Fig. 1 is the system structure schematic diagram of a specific embodiment of a kind of multi-online air-conditioning system of the present invention；
Fig. 2 is the system structure schematic diagram of another specific embodiment of a kind of multi-online air-conditioning system of the present invention；
Fig. 3 is the system structure schematic diagram of the still another embodiment of a kind of multi-online air-conditioning system of the present invention；
Fig. 4 is the system structure schematic diagram of the still another embodiment of a kind of multi-online air-conditioning system of the present invention.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing to this
The detailed description of the invention of the multi-online air-conditioning system of invention illustrates.Should be appreciated that tool described herein
Body embodiment only in order to explain the present invention, is not intended to limit the present invention.
The multi-online air-conditioning system of one embodiment of the invention, as it is shown in figure 1, include off-premises station 100, indoor set
200 and line control machine 300.First network layer 001 He being additionally included between off-premises station 100 and indoor set 200
The second Internet 002 between indoor set 200 and line control machine 300.
Wherein, connected by first network layer 001 communication between off-premises station 100 and indoor set 200；Indoor
Connected by the second Internet 002 communication between machine 200 and line control machine 300.First network layer 001 and
Two Internets 002 collectively form the communication network of multi-online air-conditioning system, are responsible for off-premises station 100, room in system
Information transmission between interior machine 200 and line control machine 300.And the communication network in the present invention passes through CAN
(Controller Area Network, controller local area network) bus protocol carries out communication.
Herein it should be noted that controller local area network (CAN) belongs to the category of fieldbus, its network
It is equality for all nodes in many host nodes structure, i.e. network, if whenever network idle, institute
There is node can send data.The off-premises station 100 that wherein, is connected in the embodiment of the present invention in communication network,
Indoor set 200 and line control machine 300 are all as the node in controller local area network.With conventional art difference
Be, in conventional art select one as main controlled node after, main controlled node cycle detection other connect from
Whether node has data to be sent, and in the embodiment of the present invention, the status of all nodes is identical, as connected
Identical to the status of all line control machines of the second Internet, as long as during the second Internet free time, any one line
Control device can send data to the second Internet 002, without waiting that any other sends data and allows life
Order.So, improve data in multi-online air-conditioning system and respond ageing and communication efficiency.
And the multi-online air-conditioning system of the embodiment of the present invention combines the feature that multi-connected machine is installed, to a whole set of network
Carry out the design of stratification.By indoor set controller between first network layer 001 and the second Internet 002
Carry out data interaction.
More preferably, first network layer 001 can be accessed by 1 or multiple stage off-premises station 100 (the outer machine of modularity),
As it is shown in figure 1, be the structural representation connecting 1 off-premises station 100, as in figure 2 it is shown, for connecting two
The situation of off-premises station 100, wherein, two off-premises stations 100 are respectively off-premises station 1 and off-premises station 2, certainly exist
In other embodiments, the quantity of off-premises station 100 can also be other values.Meanwhile, first network layer 001 is also
Accessible the most tens of indoor sets, constitute a set of multi-joint unit.Fig. 1 and Fig. 2 illustrate only connection three
The situation of individual indoor set 200.Three indoor sets are respectively indoor set 1, indoor set 2 and indoor set 3.Connect
During the indoor set of other quantity, connected mode is identical, is connected to the most side by side in network.
Wherein, the communication baud rate of first network layer 001 up to 20Kbps, communication distance up to 1500m,
Communication distance is remote, it is possible to meet the communication that heavy construction off-premises station 100 is distant with indoor set 200.Protect
Card off-premises station 100 and indoor set 200 properly functioning.
Herein it should be noted that the concrete structure of above-mentioned multiple indoor set 200 is in the system of actual installation
Identical may be likely to difference.Illustrate the indoor set of three structures the most difference in fig. 1 and 2
The situation of 200.
Second Internet 002 is to connect the network between indoor set 200 and line control machine 300, this network design
For single one or more line control machines 300 that connects, and most 16 indoor sets 200, it is convenient to real
Being uniformly controlled of existing small range of indoor set 200.And when only connecting 1 indoor set 200, and be simultaneously connected with
During multiple line control machine 300, multiple line control machine 300 can be realized and control same indoor set 200.
Wherein in an embodiment, as it is shown on figure 3, aforesaid communication network also includes the 3rd Internet 003.
3rd Internet 003 is connected with off-premises station 100 communication.Herein it should be noted that the 3rd Internet is for even
Connect the network between outdoor controller, can by overlap multi-joint unit be linked together by this network more so that
The controlled indoor set 200 of network, the quantity of off-premises station 100 extend at double, simultaneously facilitate Centralized Controller 400,
Building control indoor set 200 and the off-premises station 100 that gateway 500 etc. is controlled the size huge.
The multi-online air-conditioning system that the present invention implements connects the room overlapping multi-joint unit by the 3rd Internet 003 more
Outer machine, thus the transmission data overlapping multi-joint unit are carried out comprehensively by the 3rd Internet more, it is achieved the most right
The controls overlapping multi-joint unit, have the highest extensibility more.And centralized Control can be accessed in each layer network
Device, building control the device nodes such as gateway, and convenient realization is to the monitoring of device node each in network and to indoor
Machine, the control of off-premises station.
Wherein, Centralized Controller 400 is used for implementing multi-online air-conditioning system remotely to control, timing controlled,
Temperature controls, centralized Control etc., it is achieved simple linkage function and System self-test function, to air conditioning system event
Barrier detects, and realizes reporting to the police.Multi-online air-conditioning system is connected building Controling network by the 3rd Internet
Close 500 to be easy to combine multi-online air-conditioning system with other monitoring systems, it is achieved overall control.
And the 3rd the communication baud rate of Internet 003 up to 50Kbps, communication distance is up to more than 500m.
Long transmission distance.
In one of them multi-online air-conditioning system of the present invention, as shown in Figure 4, also include and first network layer
001 and the 3rd Internet 003 connect protocol converter 600, the other end of protocol converter 600 connect into
The computer 700 of row monitoring.Computer 700 obtains room by the 3rd Internet 003 and first network floor 001
Outer machine 100 and the parameter information of indoor set 200, and to off-premises station 100 and the running status of indoor set 200
It is monitored, or its function is debugged.
It is preferred that for ensureing that the timely of significant data in multi-gang air-conditioner unit is transmitted, can be by multiple rooms
The a set of multi-joint unit that outer machine and one or more indoor set 200 are constituted chooses an off-premises station 100, order
The controller of the off-premises station 100 chosen is as the master controller of a set of multi-joint unit at place, master controller control
System guarantees the priority treatment of significant data and the orderly transmission of each node data.Such as two indoor sets 200 simultaneously
Detect that when communication network is idle and needs to send data, then two indoor sets can pass through first network layer simultaneously
001 sends data, the most then need master controller to judge the priority of data, and determines preferential transmission
The data of transmission.While receiving each node-node transmission data flexibly, data transmission is carried out suitable regulation and control,
While raising data transmission is ageing, it is ensured that the transmission of significant data.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for this area
Those of ordinary skill for, without departing from the inventive concept of the premise, it is also possible to make some deformation and
Improving, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended
Claim is as the criterion.
Claims (10)
1. a multi-online air-conditioning system, including off-premises station, indoor set and line control machine, it is characterised in that institute
State and connected by first network layer communication between off-premises station and described indoor set；
Connected by the second Internet communication between described indoor set and described line control machine；
Described first network layer and described second Internet collectively form communication network；
Described communication network carries out communication by CAN agreement.
Multi-online air-conditioning system the most according to claim 1, it is characterised in that described off-premises station be to
Few two, described communication network also includes the 3rd Internet, and off-premises station described at least two passes through the described 3rd
Internet communication connects.
Multi-online air-conditioning system the most according to claim 2, it is characterised in that also include centralized Control
Device and/or building control gateway；
Described Centralized Controller and/or building control gateway and are connected with described 3rd Internet communication.
Multi-online air-conditioning system the most according to claim 2, it is characterised in that also include one end and institute
State first network layer and/or protocol converter that described 3rd Internet connects, and described protocol converter is another
One end connects computer；
Described computer is for being monitored described indoor set and/or described off-premises station.
Multi-online air-conditioning system the most according to claim 1, it is characterised in that described indoor set is one
Individual, described line control machine is at least two.
Multi-online air-conditioning system the most according to claim 1, it is characterised in that the number of described indoor set
Amount is less than or equal to 16.
Multi-online air-conditioning system the most according to claim 2, it is characterised in that room described at least two
Outer machine connects the described first network layer that at least two is different.
Multi-online air-conditioning system the most according to claim 1, it is characterised in that described first network layer
Communication baud rate be 20Kbps.
Multi-online air-conditioning system the most according to claim 2, it is characterised in that described 3rd Internet
Communication baud rate be 50Kbps.
Multi-online air-conditioning system the most according to claim 2, it is characterised in that at least two is set
The controller of a described off-premises station in described off-premises station is master controller, and described main controller controls is passed through
The sequential of the transmission data of described first network layer.
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| CN201410312939.1A CN104089371B (en) | 2014-07-02 | 2014-07-02 | Multi-online air-conditioning system |
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| CN201410312939.1A CN104089371B (en) | 2014-07-02 | 2014-07-02 | Multi-online air-conditioning system |
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| CN104089371A CN104089371A (en) | 2014-10-08 |
| CN104089371B true CN104089371B (en) | 2016-08-31 |
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Effective date of registration: 20180425 Address after: 519070, Jinji Hill Road, front hill, Zhuhai, Guangdong Co-patentee after: GREE ELECTRIC APPLIANCES (CHONGQING) Co.,Ltd. Patentee after: GREE ELECTRIC APPLIANCES Inc. OF ZHUHAI Address before: No. six, Qianshan Jinji West Road, Zhuhai, Guangdong Province Patentee before: GREE ELECTRIC APPLIANCES Inc. OF ZHUHAI |
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Inventor after: Liu Hua Inventor after: Tang Jie Inventor after: Jin Guohua Inventor after: Yu Weiyou Inventor after: Wu Gui Inventor after: Wang Wencan Inventor after: Huang Qiang Inventor after: Xiao Huanming Inventor after: Deng Zhongwen Inventor before: Tang Jie Inventor before: Jin Guohua Inventor before: Wu Gui Inventor before: Wang Wencan Inventor before: Huang Qiang Inventor before: Xiao Huanming Inventor before: Deng Zhongwen |