CN108626847B - Multi-connected air conditioning unit system - Google Patents
Multi-connected air conditioning unit system Download PDFInfo
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- CN108626847B CN108626847B CN201810333221.9A CN201810333221A CN108626847B CN 108626847 B CN108626847 B CN 108626847B CN 201810333221 A CN201810333221 A CN 201810333221A CN 108626847 B CN108626847 B CN 108626847B
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- air conditioning
- conditioning unit
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- unit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
- F24F11/58—Remote control using Internet communication
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a multi-connected air conditioning unit system. Wherein, this system includes: the at least one air conditioning unit is accessed to a power line carrier PLC communication network through a power line and communicates by adopting a PLC communication technology, wherein the at least one air conditioning unit comprises a first air conditioning unit; and the control equipment is used for communicating with the first air conditioning unit through a wireless network. The invention solves the technical problem of high engineering installation cost of the multi-connected air conditioning unit in the related technology.
Description
Technical Field
The invention relates to the field of air conditioners, in particular to a multi-connected air conditioning unit system.
Background
The multi-connected air conditioning unit is an air conditioning system widely applied at present, a communication network adopted by the multi-connected air conditioning unit is composed of communication lines for connecting all the multi-connected air conditioning units, the communication networks are connected in a wired communication mode, such as controller area network CAN communication, 485 communication, HBS communication and the like, wiring problems among unit equipment need to be considered in the installation process, and the defects that engineering installation cost is high, difficulty is high, poor contact faults of the communication lines are difficult to eliminate and the like exist. A multi-connected air conditioning unit Communication network based on broadband Power Line Communication (PLC for short) takes a Power supply Power Line network as a data Communication Line, and the Power supply Power Line network is ubiquitous, so that the Power supply Power Line of the multi-connected air conditioning unit is connected into the Power supply Power Line Communication network, the engineering quantity of Communication Line installation can be saved, and the phenomenon of poor contact of Communication lines can be reduced. The PLC communication is very suitable for being applied to the communication of the air conditioner internal and external units. However, the control equipment such as the wire controller for controlling the air conditioner internal unit needs to control the air conditioner internal and external units through wired communication, and the engineering installation cost is still high.
Aiming at the technical problem that the engineering installation cost of a multi-connected air conditioning unit in the related technology is high, an effective solution is not provided at present.
Disclosure of Invention
The embodiment of the invention provides a multi-connected air conditioning unit system, which at least solves the technical problem of high engineering installation cost of the multi-connected air conditioning unit in the related technology.
According to an aspect of an embodiment of the present invention, there is provided a multi-connected air conditioning unit system including: the at least one air conditioning unit is accessed to a power line carrier PLC communication network through a power line and communicates by adopting a PLC communication technology, wherein the at least one air conditioning unit comprises a first air conditioning unit; and the control equipment is used for communicating with the first air conditioning unit through a wireless network.
Further, the first air conditioning unit includes at least one air conditioner, each air conditioner including: the wireless communication module is used for carrying out wireless communication with the control equipment; and the power carrier module is used for communicating with other equipment in the PLC communication network by adopting a PLC communication technology.
Further, the wireless communication module is one of the following: wireless fidelity WIFI module, bluetooth module, infrared module.
Furthermore, at least one air conditioning unit also comprises a second air conditioning unit, and the control equipment is communicated with the second air conditioning unit through the first air conditioning unit.
Further, the first air conditioning unit is an air conditioning inner unit, and the second air conditioning unit is an air conditioning outer unit.
Further, the control device comprises at least one of: a wire controller; a mobile terminal; and a remote controller.
Further, the control equipment comprises a plurality of wire controllers, the first air conditioning unit is an air conditioning inner unit, the air conditioning inner unit comprises a plurality of air conditioning inner units, and the plurality of wire controllers and the plurality of air conditioning inner units are communicated through a wireless network in a one-to-one correspondence mode.
Furthermore, at least one air conditioning unit comprises a plurality of air conditioners, each air conditioner comprises a power carrier module and a controller, the power carrier module is communicated with the serial port module, the power carrier module of each air conditioner is connected to the PLC communication network through a corresponding power line, the power carrier module is used for transmitting data through the power line, and the controller is used for processing the data.
Furthermore, the power carrier module of each air conditioner adopts a carrier sense multiple access/collision sense CSMA/CD communication mechanism for communication.
Further, the PLC communication network is also used for connecting at least one of the following devices: debugging equipment, centralized control ware and gateway device.
In the embodiment of the invention, at least one air conditioning unit is accessed to a power line carrier PLC communication network through a power line and communicates by adopting a PLC communication technology, wherein the at least one air conditioning unit comprises a first air conditioning unit; the control device is used for communicating with the first air conditioning unit through a wireless network, the technical problem that the engineering installation cost of the multi-connected air conditioning unit is high in the related technology is solved, and the technical effect that the installation cost of the multi-connected air conditioning unit can be reduced is achieved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic diagram of an alternative multi-gang air conditioning unit system according to an embodiment of the invention;
FIG. 2 is a schematic diagram of a communication network configuration of an alternative multi-connected air conditioning unit system according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an alternative multi-connected air conditioning unit system according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The present application provides embodiments of a multi-gang air conditioning unit system.
The multi-connected air conditioning unit system provided by the embodiment of the application comprises at least one air conditioning unit and control equipment, wherein each air conditioning unit comprises a plurality of air conditioners, and each air conditioner can be an air conditioner internal unit or an air conditioner external unit. At least one air conditioning unit in the multi-connected air conditioning unit system is accessed to a power line carrier PLC communication network through a power line (power supply line) and is communicated by adopting a PLC communication technology.
The at least one air conditioning unit comprises a first air conditioning unit, the control device is used for communicating with the first air conditioning unit through a wireless network, and the control device can comprise at least one of the following components: the line controller, the mobile terminal and the remote controller can be communicated with the first air conditioning unit through a wireless network. Optionally, under the condition that the control device includes a plurality of line controllers, the first air conditioning unit is an air conditioning internal unit, and the air conditioning internal unit includes a plurality of air conditioning internal units, the line controllers and the air conditioning internal units may be in one-to-one correspondence, and each line controller communicates with the corresponding air conditioning internal unit through a wireless network. Because the control device communicates with the first air conditioning unit through a wireless network, each air conditioner in the first air conditioning unit may include a wireless communication module for performing wireless communication with the control device, and a power carrier module for performing communication with other devices in the PLC communication network by using a PLC communication technology, wherein the wireless communication module may be one of the following: wireless fidelity WIFI module, bluetooth module, infrared module.
Furthermore, at least one air conditioning unit also comprises a second air conditioning unit, and the control equipment can communicate with the second air conditioning unit through the first air conditioning unit. For example, as shown in fig. 1, the multi-air conditioning unit system includes a first air conditioning unit 11, a second air conditioning unit 12, and a control device 20, where the control device 20 communicates with the first air conditioning unit 11 through a wireless network, the first air conditioning unit 11 and the second air conditioning unit 12 access to the same PLC network through a power line, and the control device 20 can communicate with the second air conditioning unit 12 through the first air conditioning unit 11. The multi-connected air conditioning unit system provided by the embodiment does not need extra wiring, only needs to utilize the existing power line to form a PLC communication network, each air conditioner can be accessed into the PLC communication network through the power line to carry out communication, and the control equipment (for example, a wire controller) and the air conditioners do not need to be connected through wires, so that the complexity and the cost of installation engineering are reduced.
Optionally, the first air conditioning unit is an internal air conditioning unit, and the second air conditioning unit is an external air conditioning unit, that is, the internal air conditioning unit and the control device of the multi-connected air conditioning unit system provided in this embodiment communicate with each other through a wireless network, and the internal air conditioning unit and the external air conditioning unit communicate with each other through a PLC communication network.
As an optional implementation manner of the above embodiment, since at least one air conditioning unit may include a plurality of air conditioners (the air conditioners may be air conditioner internal units or air conditioner external units), each air conditioner may include a power carrier module (PLC module) and a controller, which communicate with each other through a serial port module, and the power carrier module of each air conditioner is connected to the PLC communication network through a corresponding power line, where the power carrier module is configured to transmit data through the power line, and the controller is configured to process the data.
For example, as shown in fig. 2, the multi-connected air conditioning unit system provided by this embodiment includes an air conditioning inner unit, an air conditioning outer unit, and a line controller, each air conditioning outer unit in the air conditioning outer unit includes an outer unit controller and a PLC module, serial port communication is performed between the outer unit controller of each air conditioning outer unit and the PLC module through a serial port module, each air conditioning inner unit in the air conditioning inner unit includes an inner unit controller and a PLC module, serial port communication is performed between the inner unit controller and the PLC module through a serial port module, the line controller includes a line controller, and wireless communication is performed between the line controller and the inner unit controller of the air conditioning inner unit through a wireless communication module. The PLC module of each air conditioner internal unit and the PLC module of each air conditioner external unit form a PLC communication network through power lines, and communication is carried out by adopting a PLC communication technology.
In the prior art, a PLC communication network is generally a network architecture in a master-slave manner, that is, PLC communication needs to determine a master node to be responsible for communication management and maintenance of all nodes in the PLC network. In order to get rid of the master-slave communication mode, as an optional embodiment, each PLC module in the PLC communication network communicates by adopting a carrier sense multiple access/collision sense CSMA/CD communication mechanism, so that the whole PLC communication network realizes a multi-master structure, any node (each node is an air conditioner) in the network topology can realize autonomous data transmission and reception, and the problem of low efficiency of the master-slave network architecture adopted in the prior art is solved.
Optionally, the PLC communication network may be further configured to connect at least one of the following devices: debugging equipment, centralized control ware and gateway device.
An alternative implementation of the multi-connected air conditioning unit system provided by the above embodiment is described below with reference to fig. 3 as follows:
as shown in fig. 3, in the multi-connected air conditioning unit system provided in this embodiment, all indoor units (also referred to as air conditioning indoor units and indoor units) and outdoor units (also referred to as air conditioning outdoor units and outdoor units) are connected to a power supply power line network (PLC communication network) by using a power supply line (power line), and communicate with each other through a broadband power line carrier communication technology (PLC communication technology), and communication data in the PLC communication network uses the power supply power line network as a transmission medium to implement mutual communication between the air conditioning units. The indoor unit and the wire controller are connected in a wireless communication mode. The multi-connected air conditioning unit system provided by the embodiment omits a communication line installed in engineering, utilizes a wireless network and the existing power line for communication, and realizes an internal and external machine network architecture without the communication line.
The multi-connected air conditioning unit system provided by this embodiment adopts a network architecture combining PLC communication and wireless communication, as shown in fig. 3, the network 1 is a PLC communication network, the PLC communication network includes an air conditioning internal unit and an air conditioning external unit, and further, may further include a debugging device, an integrated controller, and a gateway device as shown in fig. 3. The network 2 is a wireless communication network, the wireless communication network is a communication network between the air conditioner internal units and the line controllers, and each air conditioner internal unit is communicated with the corresponding line controller through the wireless network.
The two-layer network of PLC communication and wireless communication is intercommunicated, specifically, two-layer network of PLC communication and wireless communication is connected through the interior machine, and two-layer network intercommunication is regarded as communication gateway through the interior machine. The communication network architecture can use wireless line controllers, remote controllers, mobile phones and other wireless devices to control the air conditioning unit, and the wireless communication modes include but are not limited to WIFI, Bluetooth, infrared and other communication modes.
Two communication entrances (PLC communication and wireless communication) provided by the multi-connected air conditioning unit system lay a foundation for the future Internet of things, for example, the remote monitoring equipment or other third-party control equipment can be accessed to and control the air conditioning unit in a PLC communication or wireless communication mode. The wireless communication equipment, the PLC power line modem and other equipment in the market are more and more at present, different communication modes can be flexibly selected to control the air conditioning unit according to actual conditions, or the air conditioning unit is connected with other electrical equipment, and favorable conditions are provided for intelligent home furnishing.
The communication network in the multi-connected air conditioning unit system provided in this embodiment is divided into an uplink network and a downlink network, as shown in fig. 2, the uplink network is a PLC communication network between a PLC module and another PLC module, and the downlink network is a serial communication network between the PLC module and its corresponding air conditioner controller. Specifically, an uplink network is formed between the PLC module and other PLC modules, a CSMA/CD communication mechanism is adopted, a data management and arbitration mechanism is arranged between the PLC module and other PLC modules, any node (PLC module) in a network topology can independently send and receive data at any time, data interaction between air conditioners in the uplink network is achieved through a multi-master structure, then a controller in each air conditioner and the PLC module form a downlink network, and data interaction between the controller in the air conditioner and the PLC module is achieved. And data interaction is carried out on the data of the downlink network and the data of the uplink network through the PLC module, so that the data interaction between the air conditioners is realized.
The PLC communication technology has the advantages of high communication speed, large communication data volume, high reliability and the like, but has the characteristics of complex power supply power line network structure, large communication interference, large data volume time variation and the like, and in order to realize the effective control of a multi-connected air conditioner system, in practical application, the communication quality of a PLC communication network is detected, the serial port communication baud rate of a controller of each air conditioner is further set, the power of the PLC module is set to adapt to the communication baud rate of the PLC communication module, and therefore the network communication efficiency is improved.
The order of the embodiments of the present application described above does not represent the merits of the embodiments.
In the above embodiments of the present application, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments. In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways.
The foregoing is only a preferred embodiment of the present application and it should be noted that those skilled in the art can make several improvements and modifications without departing from the principle of the present application, and these improvements and modifications should also be considered as the protection scope of the present application.
Claims (8)
1. A multi-connected air conditioning unit system, characterized in that it comprises:
the system comprises at least one air conditioning unit, a power line carrier PLC communication network and a PLC communication technology, wherein the at least one air conditioning unit comprises a first air conditioning unit;
the control equipment is used for communicating with the first air conditioning unit through a wireless network;
the first air conditioning unit includes at least one air conditioner, each of the air conditioners including:
the wireless communication module is used for carrying out wireless communication with the control equipment;
the power carrier module is used for communicating with other equipment in the PLC communication network by adopting the PLC communication technology;
the wireless communication module is one of the following: wireless fidelity WIFI module, bluetooth module, infrared module.
2. A multi-connected air conditioning unit system as claimed in claim 1, wherein the at least one air conditioning unit further includes a second air conditioning unit, and the control device communicates with the second air conditioning unit through the first air conditioning unit.
3. A multi-connected air conditioning unit system as claimed in claim 2, wherein the first air conditioning unit is an air conditioning inner unit and the second air conditioning unit is an air conditioning outer unit.
4. A multi-couple air conditioning unit system as set forth in claim 1, wherein said control device comprises at least one of: a wire controller; a mobile terminal; and a remote controller.
5. A multi-connected air conditioning unit system as claimed in claim 4, wherein the control device comprises a plurality of line controllers, the first air conditioning unit is an air conditioning indoor unit, the air conditioning indoor unit comprises a plurality of air conditioning indoor units, and the plurality of line controllers communicate with the plurality of air conditioning indoor units one by one through a wireless network.
6. A multi-connected air conditioning unit system as claimed in claim 1, wherein the at least one air conditioning unit includes a plurality of air conditioners, each of the air conditioners includes a power carrier module and a controller communicating through a serial port module, the power carrier module of each of the air conditioners is connected to the PLC communication network through a corresponding power line, the power carrier module is configured to transmit data using the power line, and the controller is configured to process the data.
7. A multi-connected air conditioner unit system as claimed in claim 6, wherein the power carrier module of each of the air conditioners communicates using a carrier sense multiple access/collision sense CSMA/CD communication mechanism.
8. A multi-couple air conditioning unit system as claimed in claim 1, wherein the PLC communication network is further used to connect at least one of the following devices: debugging equipment, centralized control ware and gateway device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810333221.9A CN108626847B (en) | 2018-04-13 | 2018-04-13 | Multi-connected air conditioning unit system |
| PCT/CN2018/121260 WO2019196482A1 (en) | 2018-04-13 | 2018-12-14 | Multi-split air conditioning unit system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810333221.9A CN108626847B (en) | 2018-04-13 | 2018-04-13 | Multi-connected air conditioning unit system |
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| CN108626847A CN108626847A (en) | 2018-10-09 |
| CN108626847B true CN108626847B (en) | 2019-12-31 |
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| CN201810333221.9A Active CN108626847B (en) | 2018-04-13 | 2018-04-13 | Multi-connected air conditioning unit system |
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| WO (1) | WO2019196482A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626847B (en) * | 2018-04-13 | 2019-12-31 | 珠海格力电器股份有限公司 | Multi-connected air conditioning unit system |
| CN110943762A (en) * | 2019-10-17 | 2020-03-31 | 珠海格力电器股份有限公司 | Direct-current power line carrier communication method based on differential Manchester coding and air conditioner |
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| US6990335B1 (en) * | 2004-11-18 | 2006-01-24 | Charles G. Shamoon | Ubiquitous connectivity and control system for remote locations |
| CN201041396Y (en) * | 2007-01-31 | 2008-03-26 | 四川长虹电器股份有限公司 | Radio network air conditioner |
| CN101592374B (en) * | 2009-07-10 | 2012-03-28 | 浙江大学 | Household air conditioner with different capacities of fixed-speed double compressors and control method thereof |
| CN203024344U (en) * | 2013-01-08 | 2013-06-26 | 湖南天佳电子技术有限公司 | Energy efficiency management and control system based on power line carrier for demand side of central air-conditioner |
| CN103807976B (en) * | 2014-01-26 | 2016-04-20 | 西安理工大学 | Based on the external air conditioning control method of power line carrier |
| CN104089371B (en) * | 2014-07-02 | 2016-08-31 | 珠海格力电器股份有限公司 | Multi-online air-conditioning system |
| WO2016143130A1 (en) * | 2015-03-12 | 2016-09-15 | 三菱電機株式会社 | Air conditioner connection system |
| US10502442B2 (en) * | 2015-04-03 | 2019-12-10 | Lucis Technologies Holdings Limited | Device control system |
| CN104776562B (en) * | 2015-04-14 | 2017-10-31 | 广东美的暖通设备有限公司 | The method that multiple on-line system and internal-external machine set up connection by electric line carrier communication |
| CN104819550A (en) * | 2015-05-04 | 2015-08-05 | 广东美的暖通设备有限公司 | Central air-conditioning system |
| CN205448172U (en) * | 2015-12-31 | 2016-08-10 | 瑞斯康微电子（深圳）有限公司 | Central air conditioning intelligence temperature controller and central air conditioning system |
| CN106067837B (en) * | 2016-05-18 | 2018-11-30 | 珠海格力电器股份有限公司 | Multi-variable air conditioning unit and its address setting method and device |
| CN105846858A (en) * | 2016-05-18 | 2016-08-10 | 珠海格力电器股份有限公司 | Multi connection air conditioning units, networking method thereof and device |
| CN106225181A (en) * | 2016-09-12 | 2016-12-14 | 珠海格力电器股份有限公司 | The communication device of multi-online air-conditioning system and multi-online air-conditioning system |
| CN206094436U (en) * | 2016-09-12 | 2017-04-12 | 珠海格力电器股份有限公司 | Multi -split air -conditioning system's communication device and multi -split air -conditioning system |
| CN106440052B (en) * | 2016-11-03 | 2022-03-15 | 广东美的制冷设备有限公司 | Air conditioner and control method thereof |
| CN108626847B (en) * | 2018-04-13 | 2019-12-31 | 珠海格力电器股份有限公司 | Multi-connected air conditioning unit system |
-
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- 2018-04-13 CN CN201810333221.9A patent/CN108626847B/en active Active
- 2018-12-14 WO PCT/CN2018/121260 patent/WO2019196482A1/en active Application Filing
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| CN108626847A (en) | 2018-10-09 |
| WO2019196482A1 (en) | 2019-10-17 |
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