WO2019196477A1 - 空调系统及空调机组的通信方法 - Google Patents

空调系统及空调机组的通信方法 Download PDF

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Publication number
WO2019196477A1
WO2019196477A1 PCT/CN2018/121134 CN2018121134W WO2019196477A1 WO 2019196477 A1 WO2019196477 A1 WO 2019196477A1 CN 2018121134 W CN2018121134 W CN 2018121134W WO 2019196477 A1 WO2019196477 A1 WO 2019196477A1
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WO
WIPO (PCT)
Prior art keywords
air conditioning
conditioning unit
type
unit
unique identifier
Prior art date
Application number
PCT/CN2018/121134
Other languages
English (en)
French (fr)
Inventor
唐杰
王文灿
邓忠文
叶铁英
玉维友
黄强
马翠明
杨都
张阳
李忠正
Original Assignee
珠海格力电器股份有限公司
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Publication of WO2019196477A1 publication Critical patent/WO2019196477A1/zh

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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
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • 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
    • 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
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/49—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring ensuring correct operation, e.g. by trial operation or configuration checks
    • 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
    • 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
    • F24F11/89—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties

Definitions

  • the present invention relates to the field of air conditioning, and in particular to an air conditioning system and a communication method of an air conditioning unit.
  • the equipment nodes (air-conditioning units) of the air-conditioning network are generally connected by wired communication such as CAN communication, 485 communication, HBS communication, etc.
  • wired communication such as CAN communication, 485 communication, HBS communication, etc.
  • the quality of communication is also affected by the length of the communication line and the connection method of the communication line; the quality of the communication line also affects the reliability of communication to some extent; different communication methods may be used between different device nodes; Manually solved, easy to connect wrong, it takes a lot of time to check wiring problems.
  • the connection problem of communication lines will become more prominent.
  • the embodiment of the invention provides a communication method for an air conditioning system and an air conditioning unit, so as to at least solve the technical problem of complicated design and difficult maintenance due to communication by using a conventional wired communication method.
  • an air conditioning system includes: at least one air conditioning unit connected to a power network through at least one Power Line Communication (PLC) controller; at least one PLC controller, One end is connected to the power network, and the other end is connected to at least one air conditioning unit for transmitting data received from the power network to at least one air conditioning unit; or, the data to be transmitted of the at least one air conditioning unit is transmitted to the air conditioning system through the power network.
  • PLC Power Line Communication
  • the at least one PLC controller and the at least one air conditioning unit are in one-to-one correspondence.
  • At least one PLC controller communicates by using a Carrier Sense Multiple Access with Collision Detection (CSMA/CD) communication protocol.
  • CSMA/CD Carrier Sense Multiple Access with Collision Detection
  • At least one PLC controller is coupled to the controller of the at least one air conditioning unit via a serial communication interface.
  • any one of the at least one PLC controller is further configured to send the data to be transmitted to the other PLC controller through the power network when detecting a trigger event from any one of the PLC controllers.
  • any one of the at least one PLC controller is further configured to detect a communication quality of the power network; and adjust a transmission rate between any one of the PLC controllers and the controller according to the communication quality and/or any one of the PLCs The power of the controller.
  • the at least one air conditioning unit comprises: at least one air conditioning unit of the first type and at least one air conditioning unit of the second type; at least one PLC controller, comprising: a first type of PLC controller connected to the first type of air conditioning unit and a second type of PLC controller connected to the second type of air conditioning unit;
  • the first type of PLC controller is configured to obtain a global unique identifier of the first type of air conditioning unit, and send the global unique identifier to the second type PLC controller through the power network, wherein the global unique identifier is the first type air conditioning unit in the air conditioning system Globally unique identifier in ;
  • the second type of PLC controller is configured to verify the global unique identifier and obtain the verification result; and send the verification result to the first type PLC controller through the power network;
  • the first type of PLC controller is further configured to receive the verification result sent by the second type PLC controller, and use the global unique identifier as the communication address used when communicating with other PLC controllers when the verification result indicates that the verification is passed. .
  • the second type of air conditioning unit comprises: an external unit in the air conditioning system; and the first type of air conditioning unit comprises: an internal unit in the air conditioning system.
  • At least one PLC controller is disposed on a motherboard of the air conditioner controller of the at least one air conditioning unit.
  • an air conditioning system comprising: a plurality of air conditioning systems, and any one of the plurality of air conditioning systems is the air conditioning system described above.
  • each of the plurality of air conditioning systems has a corresponding global unique identifier, and each of the air conditioning systems has a pairing relationship.
  • a communication method of an air conditioning unit including: a first type air conditioning unit in an air conditioning system transmits a global unique identifier of a first type air conditioning unit to a second type air conditioning unit through a power network; Wherein, the global unique identifier is a globally unique identifier of the first type of air conditioning unit in the air conditioning system; the first type of air conditioning unit receives the verification result of the second type of air conditioning unit, wherein the verification result is globally unique to the second type of air conditioning unit The verification result obtained by the verification is performed; the first type of air conditioning unit uses the global unique identifier as the communication address used when communicating with other air conditioning units when the verification result indicates that the verification is passed, wherein the other air conditioning units are in the air conditioning system. Any air conditioning unit other than one type of air conditioning unit.
  • the second type of air conditioning unit includes: an external unit in the air conditioning system; the first type of air conditioning unit includes: an internal unit in the air conditioning system.
  • the first air conditioning unit and the second type air conditioning unit perform data interaction through respective PLC controllers.
  • a communication method of an air conditioning unit including: a second type air conditioning unit in an air conditioning system receives a global unique identifier from a first type of air conditioning unit through a power network, and sends the same to a second type air conditioner.
  • the unit wherein the global unique identifier is the global unique identifier of the first type air conditioning unit in the air conditioning system; the second type air conditioning unit verifies the global unique identifier and obtains the verification result; the second type air conditioning unit sends the verification result to the power network to the
  • the first type of air conditioning unit wherein the first type of air conditioning unit uses the global unique identifier to perform data interaction with other air conditioning units in the air conditioning system when the verification result indicates that the verification is passed, and the other air conditioning units are air conditioning systems except the first type air conditioning unit. Any one of the air conditioning units.
  • a storage medium including a stored program, wherein the device in which the storage medium is located controls the communication method of the air conditioning unit described above when the program is running.
  • a processor for operating a program, wherein the program is executed to perform the communication method of the air conditioning unit described above.
  • the air conditioning unit is connected to the power network through the PLC controller, and the communication between the units is carried out through the power network, thereby realizing the application of the PLC power line carrier communication technology in the air conditioning system, and transmitting the unit information through the power line can effectively
  • the simplified installation process and network structure are convenient for maintenance, thereby solving the technical problem of complicated design and difficult maintenance due to communication by using the traditional wired communication method.
  • FIG. 1 is a schematic structural view of an air conditioning system according to an embodiment of the present invention.
  • FIG. 2a is a schematic structural view of an optional air conditioning system according to an embodiment of the present invention.
  • FIG. 2b is a schematic structural view of another alternative air conditioning system according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural view of another alternative air conditioning system according to an embodiment of the present invention.
  • FIG. 4 is a flow chart of a communication method of an air conditioning unit according to an embodiment of the present invention.
  • FIG. 5 is a flow chart of another communication method of an air conditioning unit according to an embodiment of the present invention.
  • FIG. 6 is a structural block diagram of a communication device of an air conditioning unit according to an embodiment of the present invention.
  • FIG. 7 is a block diagram showing the structure of a communication device of another air conditioning unit according to an embodiment of the present invention.
  • FIG. 8 is a flow chart of another communication method of an air conditioning unit according to an embodiment of the present invention.
  • FIG. 9 is a flow chart of a communication method of another air conditioning unit according to an embodiment of the present invention.
  • Power network The whole substation of various voltages in the power system and the whole of the transmission and distribution lines are called power grids. It mainly includes three units of substation, transmission and distribution.
  • PLC A communication method that uses a power line as a transmission medium for media signal or data transmission.
  • the technology can load the high frequency carrying the information into the current, and then transmit it by the wire.
  • the adapter that receives the information separates the high frequency from the current and transmits it to the node device to realize the information transmission.
  • the outdoor unit in the air conditioning system also known as the main unit, includes a compressor, a condenser, a throttling device, and the like.
  • the indoor unit in the air conditioning system and the equipment placed indoors in the air conditioning system may include an evaporator, a fan, a control board, a casing, and the like.
  • the air conditioning units are generally connected by wired communication such as CAN communication, 485 communication, HBS communication, etc.
  • the PLC power line carrier communication technology needs to be applied to the air conditioning network, and the transmission of the unit information through the power line can be effectively simplified.
  • the installation process and network structure save the cost of communication lines and avoid the connection and routing problems of communication lines during the installation of large network air conditioning units.
  • the air conditioning system includes at least one air conditioning unit 10, a PLC controller 12, and a power grid 14.
  • At least one air conditioning unit 10 is connected to the power network 14 through at least one PLC controller 12; wherein the manner in which the PLC controller is connected to the power network 14 can be implemented by connecting the air conditioning unit to the power line, for example, the power plug of the air conditioning unit Connect to the outlet to access the power grid.
  • the at least one air conditioning unit includes, but is not limited to, at least one of the following: an internal machine, an external unit, a line controller, and a centralized controller.
  • At least one PLC controller 12 has one end connected to the power network 14 and the other end connected to at least one air conditioning unit 10 for transmitting data received from the power grid to at least one air conditioning unit; or, the data to be transmitted of at least one air conditioning unit Transmission to other air conditioning units in the air conditioning system via the power grid.
  • the PLC controller 12 can be a separately set controller, for example, can occupy a circuit board independently, or can occupy the same main board with an existing controller in the air conditioning unit, that is, set the PLC controller to at least one air conditioning unit.
  • the air conditioner controller is located on the motherboard.
  • the meaning of the connection of the air conditioning unit to the PLC includes, but is not limited to, a controller connection corresponding to the air conditioning unit.
  • At least one PLC controller 12 and at least one air conditioning unit 10 are in one-to-one correspondence.
  • an air conditioner unit such as an external unit or an internal unit corresponds to one PLC controller.
  • a plurality of PLC controllers communicate using a CSMA/CD communication protocol; a plurality of PLC controllers are connected to controllers of the plurality of air conditioning units through a serial communication interface.
  • the PLC communication network belongs to the master-slave network architecture, which means that the PLC communication needs to determine the master node to be responsible for the communication management and maintenance of all stations in the power line network.
  • the embodiment of the present application establishes a multi-master air conditioner unit network structure, so that any node can independently transmit and receive data at any time.
  • the PLC communication itself is a network architecture belonging to the master-slave mode, that is, the PLC communication needs to determine the master node to be responsible for communication management and maintenance of all stations in the power network.
  • the PLC controller in the embodiment of the present application can realize the autonomous transmission of data. Therefore, the air conditioning system having the above PLC controller can have a communication network with a multi-master structure. Therefore, any node can independently transmit and receive data at any time. specifically:
  • Uplink network a communication network between the PLC controller and other PLC controllers
  • the PLC controller and other PLC controllers form an uplink network, and the CSMA/CD communication mechanism is adopted to enable the uplink network to realize data interaction between the units.
  • the controller of the single air conditioning unit and the PLC controller form a downlink network. Realize data interaction between air conditioner controller and PLC.
  • the downlink network data and the uplink network data are exchanged data through the PLC controller, thereby realizing data interaction inside the air conditioning unit.
  • the PLC controller and other PLC controllers have a data management and arbitration mechanism, so that any node can send data autonomously at any time, realizing the multi-master multi-connected air conditioning network architecture.
  • any one of the at least one PLC controller is further configured to send the data to be transmitted to the other PLC controller through the power network when detecting a trigger event from any one of the PLC controllers.
  • the trigger event inside the PLC controller refers to the event triggered by the data management arbitration mechanism. For example, when detecting the current PLC communication network idle, the timing trigger event inside the PLC controller, and receiving multiple data to be transmitted in the PLC, according to the preset The priority is to send data autonomously.
  • any one of the at least one PLC controller is further configured to detect a communication quality of the power network; and adjust a transmission rate between any one of the PLC controllers and the controller according to the communication quality and/or any one of the PLCs The power of the controller.
  • the communication quality can be represented by the signal strength, and the communication quality of the power network is detected and adjusted according to the communication quality: whether the transmission rate between the PLC controller and the controller and/or any is determined according to the signal strength and the preset comparison result.
  • the power of a PLC controller is adjusted. For example, when the signal strength is greater than or equal to the first preset threshold, both the transmission rate and the power are increased or one of the transmission rate and the power is increased. Similarly, the signal strength is less than At the first predetermined threshold, both the transmission rate and the power are reduced or one of the transmission rate and power is reduced.
  • the power network quality adaptive communication rate, communication module power, etc. the efficiency of data communication between the external machine and the internal machine is improved, and the reliability of data transmission is ensured.
  • the above embodiment describes a network architecture in which the air conditioning system adopts PLC technology.
  • the above network architecture can be implemented in the following manner: at least one air conditioning unit includes: at least one air conditioning unit of the first type and at least one second type The air conditioning unit; at least one PLC controller, comprising: a first type PLC controller connected to the first type air conditioning unit and a second type PLC controller connected to the second type air conditioning unit;
  • the first type of PLC controller is configured to obtain a global unique identifier of the first type of air conditioning unit, and send the global unique identifier to the second type PLC controller through the power network, wherein the global unique identifier is the first type air conditioning unit in the air conditioning system
  • the global unique identifier in the second type; the second type PLC controller is used to verify the global unique identifier and obtain the verification result; and the verification result is sent to the first type PLC controller through the power network; the first type PLC controller is also used
  • the receiving result is sent from the second type PLC controller, and when the verification result indicates that the verification is passed, the global unique identifier is used as the communication address used when communicating with other PLC controllers.
  • the air conditioning unit 10 includes: a first type air conditioning unit and a second type air conditioning unit, and the first type air conditioning unit is at least one air conditioning unit except the second type air conditioning unit. Any one outside;
  • a first type of air conditioning unit for transmitting device information of the first type of air conditioning unit to a first type of PLC controller corresponding to the first type of air conditioning unit, and receiving a global unique identifier from the first type of PLC controller, wherein
  • the global unique identifier is the global unique identifier of the first type of air conditioning unit in the air conditioning system; the first type of PLC controller is used to send the device information to the second type of air conditioning unit through the power network, and to receive the transmission from the second type PLC controller.
  • the globally unique identifier; the second type of air conditioning unit is configured to generate a global unique identifier according to the device information, and send the global unique identifier to the second type PLC controller corresponding to the second type air conditioning unit; the second type PLC controller, Used to send a globally unique identifier to the first type of PLC controller through the power grid.
  • the global unique identifier may be used as a communication address of the air conditioning unit when communicating between the air conditioning units, for example, it may be expressed as an IP address, but is not limited thereto.
  • the device information includes at least one of the following: a device attribute of the first type air conditioning unit, and a MAC address of the first type air conditioning unit.
  • the foregoing device attributes include, but are not limited to, a device model and a function attribute of the device.
  • the at least one air conditioning unit comprises: a first type unit and a second type unit; the first type unit is further configured to acquire a local external machine identification ID of the external machine, and send the local external machine identification to At least one internal machine; at least one internal machine is further configured to acquire a target external machine ID of the target external machine, and send an acknowledgement instruction to the external machine when the target external machine ID and the local external machine ID are consistent; the external machine is also used for After receiving the confirmation command, the internal ID of at least one internal machine is bound to the external machine.
  • the second type of air conditioning unit includes: an external unit in the air conditioning system; and the first type of air conditioning unit includes: an internal unit in the air conditioning system.
  • the external machine is further configured to acquire the local foreign machine identification ID of the external machine, and send the local foreign machine identification to at least one internal machine; at least one internal machine is further configured to acquire the target external machine ID of the target external machine, and When the target foreign machine ID and the local foreign machine ID are the same, the external machine sends an acknowledgement command; the external machine is further configured to bind the internal machine ID of the at least one internal machine to the external machine after receiving the confirmation command.
  • the external machine includes a controller, and the local identification ID of the external machine is obtained by the controller, and the local external machine identifier is sent to at least one internal machine; the internal machine includes an internal machine controller; and the internal machine ID of at least one internal machine is The external machine is bound, that is, at least one internal machine is paired with the external machine.
  • the functions performed by the above external and internal machines can be implemented by corresponding controllers, but are not limited thereto.
  • the second type air conditioning unit may be a unit selected according to a preset rule, for example, according to the working state of the unit, or may be a predefined unit. In an alternative embodiment, the air conditioning system may be selected.
  • the external unit serves as the second type of air conditioning unit described above.
  • the embodiment of the present application further provides an air conditioning system, including: a plurality of air conditioning systems, and any one of the plurality of air conditioning systems is the air conditioning system in the embodiment shown in FIG. 1.
  • a plurality of air conditioning systems include a multi-unit air conditioning unit system 1 and a multi-unit air conditioning unit system 2.
  • Devices in the two systems eg, external, internal, gateway, etc.
  • each of the plurality of air conditioning systems has a corresponding global unique identifier
  • each of the air conditioning systems has a pairing relationship.
  • the determination of the pairing relationship can be implemented by the binding of the internal ID and the external device.
  • Power line carrier communication is a communication method that uses a power line to carry out carrier transmission.
  • the use of existing power lines to transmit data information avoids the trouble of rewiring.
  • the external unit, internal unit, line controller, centralized controller and other equipment (or units) of the air conditioner need to be powered by the mains. When installed, they can be connected to the power grid according to the reserved power sockets and power lines. No special special interface is required.
  • the PLC controller is embedded in the controller board of each device of the air conditioner.
  • the PLC controller communicates with each air conditioner (such as an external unit, an internal unit, etc.), and the air conditioning unit transmits the data of the air conditioning unit that needs to be transmitted to the PLC controller, and the PLC controller is connected to the power network.
  • the PLC controller transmits the data of the air conditioning unit that needs to be transmitted, such as internal and external machines and line controllers, through the power carrier communication technology to effectively transmit information on the power line.
  • the PLC controller respectively obtains valid data transmitted from each other from the power line, and then transmits the obtained air conditioning unit data to the corresponding air conditioner. In this way, the data transmission between the air conditioner nodes is realized by the PLC controller.
  • the conventional wired method is converted into a "wireless" transmission mode, thereby eliminating the trouble of separately wiring the communication line.
  • the PLC power carrier communication technology physically solves the communication problem of the air conditioning unit, and the effective exchange of communication data between the air conditioning equipment nodes depends on the formulation of the software layer protocol.
  • Each device node has its own independent IP address for identification between devices. After the unit is powered on, each device will send information such as the device attributes identifying its own identity and its unique MAC address to its respective PLC module.
  • the PLC modules exchange information between the modules through the power line and send them to the respective air conditioners for control.
  • the external machine After receiving the information of the internal machine and the line controller through the data exchange of the PLC module, the external machine allocates a unique IP address (corresponding to the above-mentioned global unique identifier) to each device node according to the software layer protocol and memorizes.
  • the device nodes receive their respective IP addresses through the forwarding of the PLC controller, and then each device exchanges data with its own IP address as a flag.
  • a method embodiment of a communication method of an air conditioning unit is provided. It should be noted that the steps shown in the flowchart of the accompanying drawings may be executed in a computer system such as a set of computer executable instructions. Also, although logical sequences are shown in the flowcharts, in some cases the steps shown or described may be performed in a different order than the ones described herein.
  • FIG. 4 is a flow chart of a communication method of an air conditioning unit according to an embodiment of the present invention. As shown in FIG. 4, the method includes the following steps:
  • Step S402 the first type air conditioning unit in the air conditioning system sends the device information of the first type air conditioning unit to the second type air conditioning unit through the power network;
  • Step S404 the first type air conditioning unit receives the global unique identifier generated by the second type air conditioning unit according to the device information
  • Step S406 the first type of air conditioning unit performs data interaction with other air conditioning units in the air conditioning system according to the global unique identifier, wherein the other air conditioning units are any one of the air conditioning units except the first type of air conditioning unit.
  • the second type of air conditioning unit comprises: an outer unit in the air conditioning system.
  • FIG. 5 is a flow chart of a communication method of another air conditioning unit according to an embodiment of the present invention. As shown in FIG. 5, the method includes the following steps:
  • Step S502 the second type air conditioning unit in the air conditioning system receives device information from the first type air conditioning unit through the power network; wherein the manner in which the PLC controller accesses the power network can be implemented by connecting the air conditioning unit to the power line.
  • Step S504 the second type air conditioning unit generates a global unique identifier of the first type air conditioning unit according to the device information
  • Step S506 the second type air conditioning unit sends the global unique identifier to the first type air conditioning unit through the power network, wherein the first type air conditioning unit uses the global unique identifier to interact with other air conditioning units in the air conditioning system, and the other air conditioning units are air conditioners. Any air conditioning unit in the system other than the first type of air conditioning unit.
  • the first type of air conditioning unit and the second type of air conditioning unit include but are not limited to air conditioners, external units, internal units, line controllers, centralized controllers and other equipment (or units). Since the above equipments all require mains power supply, the installation may be based on The reserved power outlets and power cords are connected to the power grid and do not require a dedicated special interface.
  • the PLC controller is embedded in the controller board of each device of the air conditioner.
  • the PLC controller communicates with the air conditioners (external, internal, and line controllers), and the air conditioner transmits the data of the air conditioner unit that needs to be transmitted to the PLC controller, and the PLC controller accesses
  • the PLC controller transmits the data of the air conditioning units that need to be transmitted, such as internal and external machines and line controllers, through the power carrier communication technology to effectively transmit information on the power line.
  • the PLC controller respectively obtains valid data transmitted from each other from the power line, and then transmits the obtained air conditioning unit data to the corresponding air conditioner. In this way, the data transmission between the air conditioner nodes is realized by the PLC controller.
  • FIG. 6 is a structural block diagram of a communication device of an air conditioning unit according to an embodiment of the present invention.
  • the device can be applied to a first type of air conditioning unit in an air conditioning system, and is used to implement the method embodiment shown in FIG. Show that the device includes:
  • the sending module 60 is configured to send, by using a power network, device information of the first type air conditioning unit to the second type air conditioning unit;
  • the receiving module 62 is configured to receive a global unique identifier generated by the second type air conditioning unit according to the device information.
  • the interaction module 64 is configured to perform data interaction with other air conditioning units in the air conditioning system according to the global unique identifier, wherein the other air conditioning units are any one of the air conditioning systems except the first type of air conditioning unit.
  • each module shown in FIG. 6 can be implemented by means of software or hardware.
  • the foregoing modules are located in the same processor;
  • Each of the above modules is located in a different processor in any combination.
  • FIG. 7 is a block diagram showing the structure of a communication device of another air conditioning unit according to an embodiment of the present invention.
  • the device can be applied to the second type of air conditioning unit in the air conditioning system for implementing the method shown in FIG. 6.
  • the device includes:
  • the receiving module 70 is configured to receive device information from the air conditioning unit of the first type through the power network; wherein the manner in which the PLC controller accesses the power network can be implemented by connecting the air conditioning unit to the power line.
  • the generating module 72 is configured to generate, by the second type air conditioning unit, a global unique identifier of the first type air conditioning unit according to the device information;
  • the sending module 74 is configured to send the global unique identifier to the first type air conditioning unit through the power network, wherein the first type air conditioning unit uses the global unique identifier to perform data interaction with other air conditioning units in the air conditioning system, and the other air conditioning units are in the air conditioning system. Any air conditioning unit other than the first type of air conditioning unit.
  • each module shown in FIG. 7 can be implemented by means of software or hardware.
  • the foregoing modules are located in the same processor;
  • Each of the above modules is located in a different processor in any combination.
  • FIG. 8 is a flow chart of a communication method of another air conditioning unit according to an embodiment of the present invention. As shown in Figure 8, the method includes:
  • Step S802 the first type air conditioning unit in the air conditioning system sends the global unique identifier of the first type air conditioning unit to the second type air conditioning unit through the power network, wherein the global unique identifier is the first type air conditioning unit in the air conditioning system.
  • Step S804 the first type air conditioning unit receives the verification result of the second type air conditioning unit, wherein the verification result is a verification result obtained by verifying the global unique identifier by the second type air conditioning unit;
  • Step S806 the first type air conditioning unit uses the global unique identifier as a communication address used when communicating with other air conditioning units when the verification result indicates that the verification is passed, wherein the other air conditioning unit is the air conditioning system except the above Any air conditioning unit other than one type of air conditioning unit.
  • the verification process of step S806 may be implemented as the following implementation manner, but is not limited thereto: the second type air conditioning unit performs comparison according to the pre-stored identifier and the global unique identifier, and when the two are consistent, the verification is determined to pass; If they are inconsistent, it is determined that the verification has not passed.
  • the obtaining manner of the foregoing pre-stored identifier may be performed by receiving the corresponding line controller of the unit, or generating the identifier according to the device information sent by the second type air conditioning unit according to the first type air conditioning unit, and storing the identifier.
  • the second type air conditioning unit includes but is not limited to: the external unit in the air conditioning system; and the first type air conditioning unit includes but is not limited to: the internal unit in the air conditioning system.
  • the first air conditioning unit and the second air conditioning unit described above perform data interaction through respective PLC controllers.
  • FIG. 9 is a flow chart of a communication method of another air conditioning unit according to an embodiment of the present invention. As shown in FIG. 9, the method includes:
  • Step S902 the second type air conditioning unit in the air conditioning system receives the global unique identifier from the first type air conditioning unit through the power network and sends the global unique identifier to the second type air conditioning unit, wherein the global unique identifier is the first type air conditioning unit in the air conditioning system.
  • Step S904 the second type air conditioning unit verifies the global unique identifier, and obtains the verification result
  • Step S906 the second type air conditioning unit sends the verification result to the first type air conditioning unit through the power network, wherein the first type air conditioning unit uses the global unique identifier and the air conditioning system when the verification result indicates that the verification is passed.
  • the other air conditioning units perform data interaction, and the other air conditioning units are any one of the air conditioning systems except the first type air conditioning unit.
  • a storage medium comprising: a stored program, wherein, when the program is running, controlling a device where the storage medium is located to perform the communication method of the air conditioning unit described above, for example, when the program is running
  • the following functions can be performed: the first type of air conditioning unit in the air conditioning system transmits the device information of the first type air conditioning unit to the second type air conditioning unit through the power network; the first type air conditioning unit receives the second type air conditioning unit according to the device information.
  • the globally unique identifier the first type of air conditioning unit performs data interaction with other air conditioning units in the air conditioning system according to the global unique identifier, wherein the other air conditioning units are any one of the air conditioning units except the first type of air conditioning unit.
  • a storage medium comprising a stored program, wherein, when the program is running, controlling a device where the storage medium is located to perform the communication method of the air conditioning unit described above, for example, the program running
  • the following functions can be performed: the second type air conditioning unit in the air conditioning system receives equipment information from the first type air conditioning unit through the power grid; the second type air conditioning unit generates the global unique identifier of the first type air conditioning unit according to the equipment information;
  • the air conditioning unit sends the global unique identifier to the first type of air conditioning unit through the power network, wherein the first type of air conditioning unit uses the global unique identifier to interact with other air conditioning units in the air conditioning system, and the other air conditioning units are in the air conditioning system except the first type. Any air conditioning unit other than the air conditioning unit.
  • a processor for running a program wherein when the program is running, the communication method of the air conditioning unit described above is executed.
  • the following functions can be performed: an air conditioning system
  • the first type of air conditioning unit transmits the equipment information of the first type air conditioning unit to the second type air conditioning unit through the power network;
  • the first type air conditioning unit receives the global unique identifier generated by the second type air conditioning unit according to the device information;
  • the air conditioning unit performs data interaction with other air conditioning units in the air conditioning system according to the global unique identifier, wherein the other air conditioning units are any one of the air conditioning units except the first type of air conditioning unit.
  • another processor for running a program wherein when the program is running, the communication method of the air conditioning unit described above is executed, for example, when the program is running, the following functions can be performed:
  • the second type of air conditioning unit in the system receives equipment information from the first type of air conditioning unit through the power grid; the second type air conditioning unit generates a global unique identifier of the first type of air conditioning unit according to the equipment information; the second type of air conditioning unit passes the global unique identification
  • the power network is sent to the first type of air conditioning unit, wherein the first type of air conditioning unit uses the global unique identifier to interact with other air conditioning units in the air conditioning system, and the other air conditioning units are any one of the air conditioning systems except the first type of air conditioning unit.
  • Air conditioning units are any one of the air conditioning systems except the first type of air conditioning unit.
  • the disclosed technical contents may be implemented in other manners.
  • the device embodiments described above are only schematic.
  • the division of the unit may be a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or may be Integrate into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, unit or module, and may be electrical or otherwise.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
  • the technical solution of the present invention which is essential or contributes to the prior art, or all or part of the technical solution, may be embodied in the form of a software product stored in a storage medium.
  • a number of instructions are included to cause a computer device (which may be a personal computer, server or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic disk, or an optical disk, and the like. .
  • the solution provided by the embodiment of the present application can be applied to the field of air conditioning unit communication.
  • the air conditioning unit is connected to the power network through the PLC controller, and the communication between the units is performed through the power network, thereby realizing the PLC power line carrier communication.
  • the technology is applied to the air conditioning system, and the transmission of the unit information through the power line can effectively simplify the installation process and the network structure, and is convenient for maintenance.

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Abstract

一种空调系统及空调机组的通信方法，该方法包括：至少一个空调机组（10），通过至少一个电力线通信PLC控制器（12）接入电力网（14）中；至少一个PLC控制器（12），一端接入电力网（14）中，另一端接入至少一个空调机组（10），用于将从电力网（14）接收的数据发送至至少一个空调机组（10）；或者，将至少一个空调机组（10）的待传输数据通过电力网（14）传输至空调系统中的其他空调机组（10）。

Description

空调系统及空调机组的通信方法 技术领域
本发明涉及空调领域，具体而言，涉及一种空调系统及空调机组的通信方法。
背景技术
空调网络的设备节点(空调机组)之间一般通过CAN通讯、485通讯、HBS通讯等有线通讯方式进行连接，安装过程中需要考虑机组设备间的走线问题，预留走线空间；设备节点之间的通讯质量也会受通讯线长度、通讯线连接方式等影响；通讯线的质量也在一定程度上影响通讯可靠性；不同设备节点之间可能采用不同的通讯方式；通讯线的连接完全靠人工解决，易接错，需花费大量时间排查接线问题。特别是在多联机系统中，随着网络的扩大，通讯线的连接问题会越发突出。
针对上述的问题，目前尚未提出有效的解决方案。
发明内容
本发明实施例提供了一种空调系统及空调机组的通信方法，以至少解决由于采用传统的有线通信方式进行通信造成的设计复杂、不易维护等的技术问题。
根据本发明实施例的一个方面，提供了一种空调系统，包括：至少一个空调机组，通过至少一个电力线通信(Power Line Communication，简称为PLC)控制器接入电力网中；至少一个PLC控制器，一端接入电力网中，另一端接入至少一个空调机组，用于将从电力网接收的数据发送至至少一个空调机组；或者，将至少一个空调机组的待传输数据通过电力网传输至空调系统中的其他空调机组。
可选地，至少一个PLC控制器和至少一个空调机组是一一对应的。
可选地，至少一个PLC控制器之间采用载波监听多点接入/碰撞检测(Carrier Sense Multiple Access with Collision Detection，简称为CSMA/CD)通信协议进行通信。
可选地，至少一个PLC控制器与至少一个空调机组的控制器之间通过串行通信接口连接。
可选地，至少一个PLC控制器中的任意一个PLC控制器，还用于在检测到来自任意一个PLC控制器内部的触发事件时，将待传输数据通过电力网发送至其他PLC控制器。
可选地，至少一个PLC控制器中的任意一个PLC控制器，还用于检测电力网的通信质量；并依据通信质量调整任意一个PLC控制器和控制器之间的传输速率和/或任意一个PLC控制器的功率。
可选地，至少一个空调机组包括：至少一个第一类空调机组和至少一个第二类空调机组；至少一个PLC控制器，包括：与第一类空调机组连接的第一类PLC控制器和与第二类空调机组连接的第二类PLC控制器；
第一类PLC控制器，用于获取第一类空调机组的全局唯一标识，并将全局唯一标识通过电力网发送至第二类PLC控制器，其中，全局唯一标识为第一类空调机组在空调系统中的全局唯一标识；
第二类PLC控制器，用于对全局唯一标识进行验证，得到验证结果；并将验证结果通过电力网发送至第一类PLC控制器；
第一类PLC控制器，还用于接收来自第二类PLC控制器发送的验证结果，并在验证结果指示验证通过时，将全局唯一标识作为与其他PLC控制器进行通信时所采用的通信地址。
可选地，第二类空调机组包括：空调系统中的外机；第一类空调机组包括：空调系统中的内机。
可选地，至少一个PLC控制器设置于至少一个空调机组的空调控制器所在主板上。
根据本发明实施例的另一方面，提供了一种空调系统，其特征在于，包括：多个空调系统，多个空调系统中的任意一个空调系统为上述的空调系统。
可选地，多个空调系统中的任意一个空调系统中的各个机组具有各自对应的全局唯一标识，并且任意一个空调系统中的各个机组间具有配对关系。
根据本发明实施例的另一方面，提供了一种空调机组的通信方法，包括：空调系统中的第一类空调机组通过电力网将第一类空调机组的全局唯一标识发送至第二类空调机组，其中，全局唯一标识为第一类空调机组在空调系统中的全局唯一标识；第一类空调机组接收第二类空调机组的验证结果，其中，该验证结果为第二类空调机组对全局唯一标识进行验证得到的验证结果；第一类空调机组在验证结果指示验证通过时，将全局唯一标识作为与其他空调机组进行通信时所采用的通信地址，其中，其他空调 机组为空调系统中除第一类空调机组之外的任意一个空调机组。
第二类空调机组包括：空调系统中的外机；第一类空调机组包括：空调系统中的内机。
可选地，第一空调机组和第二类空调机组通过各自的PLC控制器进行数据交互。
根据本发明实施例的又一方面，提供了一种空调机组的通信方法，包括：空调系统中的第二类空调机组通过电力网接收来自第一类空调机组的全局唯一标识发送至第二类空调机组，其中，全局唯一标识为第一类空调机组在空调系统中的全局唯一标识；第二类空调机组对全局唯一标识进行验证，得到验证结果；第二类空调机组将验证结果通过电力网发送至第一类空调机组，其中，第一类空调机组在验证结果指示验证通过时，使用全局唯一标识与空调系统中的其他空调机组进行数据交互，其他空调机组为空调系统中除第一类空调机组之外的任意一个空调机组。
根据本发明实施例的再一方面，提供了一种存储介质，该存储介质包括存储的程序，其中，在程序运行时控制存储介质所在设备执行以上所述的空调机组的通信方法。
根据本发明实施例的再一方面，提供了一种处理器，该处理器用于运行程序，其中，程序运行时执行以上所述的空调机组的通信方法。
在本发明实施例中，采用空调机组通过PLC控制器接入电力网，并通过电力网进行机组间通信的方式，实现了将PLC电力线载波通讯技术应用于空调系统中，通过电力线传输机组信息，可以有效的简化安装过程和网络结构，便于维护，进而解决了由于采用传统的有线通信方式进行通信造成的设计复杂、不易维护等的技术问题。
附图说明
此处所说明的附图用来提供对本发明的进一步理解，构成本申请的一部分，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：
图1是根据本发明实施例的一种空调系统的结构示意图；
图2a是根据本发明实施例的一种可选的空调系统的结构示意图；
图2b是根据本发明实施例的另一种可选的空调系统的结构示意图；
图3是根据本发明实施例的另一种可选的空调系统的结构示意图；
图4是根据本发明实施例的一种空调机组的通信方法的流程图；
图5是根据本发明实施例的另一种空调机组的通信方法的流程图；
图6是根据本发明实施例的一种空调机组的通信装置的结构框图；
图7是根据本发明实施例的另一种空调机组的通信装置的结构框图；
图8是根据本发明实施例的另一种空调机组的通信方法的流程图；
图9是根据本发明实施例的另一种空调机组的通信方法的流程图。
具体实施方式
为了使本技术领域的人员更好地理解本发明方案，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分的实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都应当属于本发明保护的范围。
需要说明的是，本发明的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便这里描述的本发明的实施例能够以除了在这里图示或描述的那些以外的顺序实施。此外，术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含，例如，包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或单元，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。
为了便于理解本申请实施例，以下将本申请实施例中所涉及的技术术语简述如下：
电力网：电力系统中各种电压的变电所及输配电线路组成的整体，称为电力网。其主要包括变电、输电和配电三个单元。
PLC：利用电力线作为传输媒介进行媒体信号或数据传输的一种通信方式。该技术可以把载有信息的高频加载于电流，然后利用电线传输，接收信息的适配器再把高频从电流中分离出来并传送到节点设备，以实现信息传输。
外机：即空调系统中的室外机，又被称为主机，包括压缩机、冷凝器、节流装置等。
内机：即空调系统中的室内机，空调系统中放在室内的设备，可以包括蒸发器、 风扇、控制主板、外壳等。
相关技术中，空调机组间一般通过CAN通讯、485通讯、HBS通讯等有线通讯方式进行连接，但是，这样需要将PLC电力线载波通讯技术应用于空调网络中，通过电力线传输机组信息，可以有效的简化安装过程和网络结构，节约通讯线成本，避免大网络空调机组安装过程中通讯线的连接和走线问题。为实现上述目的，本申请实施例提供了相应的解决方案，以下详细说明。
图1是根据本发明实施例的一种空调系统的结构示意图。如图1所示，该空调系统包括：至少一个空调机组10、PLC控制器12、电力网14。
至少一个空调机组10，通过至少一个PLC控制器12接入电力网14中；其中，PLC控制器接入电力网14的方式可以通过将空调机组接入电力线的方式实现，例如，将空调机组的电源插头和插座连接，以接入电力网。
上述至少一个空调机组包括但不限于以下至少之一：内机、外机、线控器、集中控制器。
至少一个PLC控制器12，一端接入电力网14中，另一端接入至少一个空调机组10中，用于将从电力网接收的数据发送至少一个空调机组；或者，将至少一个空调机组的待传输数据通过电力网传输至空调系统中的其他空调机组。
其中，其他空调机组为空调系统中除空调机组10之外的任意一个空调机组。其中，该PLC控制器12可以是一个单独设置的控制器，例如，可以独立占据一块电路板，也可以与空调机组中的已有控制器占据同一主板，即将PLC控制器设置于至少一个空调机组的空调控制器所在主板上。其中，空调机组在与PLC连接的含义包括但不限于：与空调机组对应的控制器连接。
在一个可选实施例中，至少一个PLC控制器12和至少一个空调机组10是一一对应的。例如，外机、内机等空调机组分别对应一个PLC控制器。
可选地，多个PLC控制器之间采用CSMA/CD通信协议进行通信；多个PLC控制器与多个空调机组的控制器之间通过串行通信接口连接。
在宽带电力线(PLC)通讯技术中,PLC通讯网络属于主从方式的网络架构，也就是说PLC通讯需要确定主节点来负责电力线网络中所有站点的通讯管理和维护。而本申请实施例为了摆脱其主从的通讯方式，从而建立一种多主方式的空调机组网络结构，实现任意节点任意时刻均可自主发送、接收数据。
相关技术中，在宽带电力线通信技术(PLC)中,PLC通信自身是属于主从方式的 网络架构，也就是说PLC通信需要确定主节点来负责电力网络中所有站点的通信管理和维护。为了摆脱其主从的通信方式，正如上面所述，本申请实施例中的PLC控制器可以实现自主传输数据，因此，具有上述PLC控制器的空调系统中可以具有一个多主结构的通信网络，从而实现任意节点任意时刻均可自主发送、接收数据。具体地：
1)上行网络：PLC控制器与其他PLC控制器之间的通信网络；
2)下行网络：PLC控制器与空调控制器之间的通信网络。
首先PLC控制器与其他PLC控制器之间组成上行网络，采用CSMA/CD的通信机制，使上行网络实现机组之间的数据交互；然后，单个空调机组的控制器与PLC控制器组成下行网络，实现空调控制器与PLC的数据交互。下行网络数据与上行网络数据通过PLC控制器进行数据交互，从而实现了空调机组内部的数据交互。PLC控制器与其他PLC控制器之间具有数据管理、仲裁机制，使任意节点在任意时刻均可以自主发送数据，实现了多主的多联空调网络架构。
具体地，至少一个PLC控制器中的任意一个PLC控制器，还用于在检测到来自任意一个PLC控制器内部的触发事件时，将待传输数据通过电力网发送至其他PLC控制器。PLC控制器内部的触发事件是指数据管理仲裁机制触发的事件，例如，检测到当前PLC通信网络空闲、PLC控制器内部的定时触发事件、PLC内接收到多个待传输数据时，依据预设优先级自主发送数据等。
可选地，至少一个PLC控制器中的任意一个PLC控制器，还用于检测电力网的通信质量；并依据通信质量调整任意一个PLC控制器和控制器之间的传输速率和/或任意一个PLC控制器的功率。
例如，可以通过信号强度表示通信质量，则检测电力网的通信质量并依据通信质量进行调整：依据信号强度和预设的比较结果确定是否对PLC控制器和控制器之间的传输速率和/或任意一个PLC控制器的功率进行调整，例如，信号强度大于等于第一预设阈值时，将传输速率和功率均增大或将传输速率和功率中的其中一个参数增大，同理，信号强度小于第一预设阈值时，将传输速率和功率均减小或将传输速率和功率中的一个参数减小。根据电力网络质量自适应通信速率、通信模块功率等，提高了外机与内机之间数据通信的效率，保证了数据传输的可靠性。
以上实施例描述了空调系统采用PLC技术的网络架构，上述网络架构在进行机组间的通信时，可以通过以下方式实现：至少一个空调机组包括：至少一个第一类空调机组和至少一个第二类空调机组；至少一个PLC控制器，包括：与第一类空调机组连接的第一类PLC控制器和与第二类空调机组连接的第二类PLC控制器；
第一类PLC控制器，用于获取第一类空调机组的全局唯一标识，并将全局唯一标识通过电力网发送至第二类PLC控制器，其中，全局唯一标识为第一类空调机组在空调系统中的全局唯一标识；第二类PLC控制器，用于对全局唯一标识进行验证，得到验证结果；并将验证结果通过电力网发送至第一类PLC控制器；第一类PLC控制器，还用于接收来自第二类PLC控制器发送的验证结果，并在验证结果指示验证通过时，将全局唯一标识作为与其他PLC控制器进行通信时所采用的通信地址。
以上描述了通信地址的确定方式，其中，上述通信地址(即全局唯一标识)可以由第一类PLC控制器根据第一类空调机组的设备信息生成，也可以由第二类PLC控制器根据上述设备信息生成，对于后者，可以通过以下方式实现：上述空调机组10包括：第一类空调机组和第二类空调机组，第一类空调机组为至少一个空调机组中除第二类空调机组之外的任意一个；
第一类空调机组，用于将第一类空调机组的设备信息发送至与第一类空调机组对应的第一类PLC控制器，以及接收来自第一类PLC控制器的全局唯一标识，其中，全局唯一标识为第一类空调机组在空调系统中的全局唯一标识；第一类PLC控制器，用于通过电力网将设备信息发送至第二类空调机组，以及接收来自第二类PLC控制器发送的全局唯一标识；第二类空调机组，用于依据设备信息生成全局唯一标识，并将全局唯一标识发送至与第二类空调机组对应的第二类PLC控制器；第二类PLC控制器，用于将全局唯一标识通过电力网发送至第一类PLC控制器。
其中，上述全局唯一标识可以作为空调机组间进行通信时的空调机组的通信地址，例如，其可以表现为IP地址，但不限于此。上述设备信息包括以下至少之一：第一类空调机组的设备属性、第一类空调机组的MAC地址。其中，上述设备属性包括但不限于：设备型号、设备的功能属性。
在一个可选实施例中，至少一个空调机组包括：第一类机组和第二类机组；第一类机组，还用于获取外机的本地外机标识ID，并将本地外机标识发送至至少一个内机；至少一个内机，还用于获取目标外机的目标外机ID，并在目标外机ID和本地外机ID一致时，向外机发送确认指令；外机，还用于在接收到确认指令后，将至少一个内机的内机ID与外机进行绑定。
例如，第二类空调机组包括：空调系统中的外机；第一类空调机组包括：空调系统中的内机。此时，外机还用于获取外机的本地外机标识ID，并将本地外机标识发送至至少一个内机；至少一个内机，还用于获取目标外机的目标外机ID，并在目标外机ID和本地外机ID一致时，向外机发送确认指令；外机，还用于在接收到确认指令后，将至少一个内机的内机ID与外机进行绑定。其中，外机包括控制器，通过控制器获取 外机的本地标识ID，并将本地外机标识发送至至少一个内机；内机包括内机控制器；将至少一个内机的内机ID与外机进行绑定，即将至少一个内机与外机进行配对。其中，上述外机和内机完成的功能可以通过相应的控制器实现，但不限于此。
其中，上述第二类空调机组可以为根据预设规则选择的一个机组，例如，按照机组的工作状态进行选择，也可以是预先定义的机组，在一个可选实施例中，可以选择空调系统中的外机作为上述第二类空调机组。
本申请实施例还提供一种空调系统，该空调系统包括：多个空调系统，该多个空调系统中的任意一个空调系统为图1所示实施例中的空调系统。
如图2b所述，多个空调系统中包括多联空调机组系统1和多联空调机组系统2。两个系统中的设备(例如外机、内机、网关等)分别通过PLC通信网络1和PLC通信网络2进行通信。
可选地，多个空调系统中的任意一个空调系统中的各个机组具有各自对应的全局唯一标识，并且任意一个空调系统中的各个机组间具有配对关系。其中，该配对关系的确定可以通过内机ID和外机的绑定实现，具体可以参见以上实施例中的相关描述，此处不再赘述。
电力线载波通讯是利用电力线这种介质进行载波传输的一种通讯方式，利用现有电力线传输数据信息避免了重新布线的麻烦。如图2a所示，空调的外机、内机、线控器、集中控制器等设备(或机组)均需要市电供电，安装时可以根据预留的电源插座和电源线接入电力网中，不需要专用的特殊接口。PLC控制器嵌入在空调各设备的控制器主板上。如图3所示，PLC控制器与空调各设备(例如外机、内机等)之间进行通讯，空调设备将自身需要传输的空调机组数据传输给PLC控制器，PLC控制器接入电力网中，PLC控制器将内外机、线控器等需要传输的空调机组数据，通过电力载波通讯技术在电力线上进行信息的有效传输。PLC控制器分别从电力线上获取彼此传输的有效数据，再将获取的空调机组数据传递给对应的空调设备。这样，就通过PLC控制器实现了空调设备节点之间的数据透传。
如上所述，借用现有电力线系统传输数据信息，将传统的有线方式转化为“无线”传输方式，免去了单独布通讯线的麻烦。PLC电力载波通讯技术在物理上解决了空调机组的通讯问题，空调设备节点之间通讯数据的有效交换还要依赖于软件层协议的制定。各设备节点均有各自独立的IP地址用于设备之间的识别。机组上电之后，各设备会将标识自己身份的设备属性、各自唯一的MAC地址等信息发送给各自的PLC模块，PLC模块之间通过电力线交换模块间的信息，再发送给各自的空调设备控制器，外机 通过PLC模块的数据交换接收到内机、线控器等的信息之后，再根据软件层协议分配唯一的IP地址(相当于上述全局唯一标识)给各设备节点并记忆。设备节点通过PLC控制器的转发接收到各自的IP地址，之后各设备就以各自的IP地址为标志进行数据交换。
根据本发明实施例，提供了一种空调机组的通信方法的方法实施例，需要说明的是，在附图的流程图示出的步骤可以在诸如一组计算机可执行指令的计算机系统中执行，并且，虽然在流程图中示出了逻辑顺序，但是在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤。
图4是根据本发明实施例的一种空调机组的通信方法的流程图，如图4所示，该方法包括如下步骤：
步骤S402，空调系统中的第一类空调机组通过电力网将第一类空调机组的设备信息发送至第二类空调机组；
步骤S404，第一类空调机组接收第二类空调机组依据设备信息为生成的全局唯一标识；
步骤S406，第一类空调机组依据全局唯一标识与空调系统中的其他空调机组进行数据交互，其中，其他空调机组为空调系统中除第一类空调机组之外的任意一个空调机组。
在一个可选实施例中，上述第二类空调机组包括：空调系统中的外机。
需要说明的是，图4所示方法实施例，可以参见图1至图3所涉及实施例的相关描述，此处不再赘述。
图5是根据本发明实施例的另一种空调机组的通信方法的流程图。如图5所示，该方法包括如下步骤：
步骤S502，空调系统中的第二类空调机组通过电力网接收来自第一类空调机组的设备信息；其中，PLC控制器接入电力网的方式可以通过将空调机组接入电力线的方式实现。
步骤S504，第二类空调机组依据设备信息生成第一类空调机组的全局唯一标识；
步骤S506，第二类空调机组将全局唯一标识通过电力网发送至第一类空调机组，其中，第一类空调机组使用全局唯一标识与空调系统中的其他空调机组进行数据交互，其他空调机组为空调系统中除第一类空调机组之外的任意一个空调机组。
第一类空调机组和第二类空调机组包括但不限于空调的外机、内机、线控器、集中控制器等设备(或机组)，由于上述设备均需要市电供电，安装时可以根据预留的电源插座和电源线接入电力网中，不需要专用的特殊接口。PLC控制器嵌入在空调各设备的控制器主板上。如图3所示，PLC控制器与空调各设备(外机、内机、线控器)之间进行通讯，空调设备将自身需要传输的空调机组数据传输给PLC控制器，PLC控制器接入电力网中，PLC控制器将内外机、线控器等需要传输的空调机组数据，通过电力载波通讯技术在电力线上进行信息的有效传输。PLC控制器分别从电力线上获取彼此传输的有效数据，再将获取的空调机组数据传递给对应的空调设备。这样，就通过PLC控制器实现了空调设备节点之间的数据透传。
需要说明的是，图5所示方法实施例，可以参见图1至图3所涉及实施例的相关描述，此处不再赘述。
图6是根据本发明实施例的一种空调机组的通信装置的结构框图，该装置可以应用于空调系统中的第一类空调机组，用于实现图4所示方法实施例，如图6所示，该装置包括：
发送模块60，用于通过电力网将第一类空调机组的设备信息发送至第二类空调机组；
接收模块62，用于接收第二类空调机组依据设备信息为生成的全局唯一标识；
交互模块64，用于依据全局唯一标识与空调系统中的其他空调机组进行数据交互，其中，其他空调机组为空调系统中除第一类空调机组之外的任意一个空调机组。
需要说明的是，图6所示各个模块是可以通过软件或硬件的方式来实现的，例如，对于后者，可以表现为以下实现方式，但不限于此：上述各个模块位于同一处理器中；上述各个模块以任意组合的方式位于不同的处理器中。
图7是根据本发明实施例的另一种空调机组的通信装置的结构框图。该装置可以应用空调系统中的第二类空调机组，用于实现图6所示方法，如图7所示，该装置包括：
接收模块70，用于通过电力网接收来自第一类空调机组的设备信息；其中，PLC控制器接入电力网的方式可以通过将空调机组接入电力线的方式实现。
生成模块72，用于第二类空调机组依据设备信息生成第一类空调机组的全局唯一标识；
发送模块74，用于将全局唯一标识通过电力网发送至第一类空调机组，其中，第 一类空调机组使用全局唯一标识与空调系统中的其他空调机组进行数据交互，其他空调机组为空调系统中除第一类空调机组之外的任意一个空调机组。
需要说明的是，图7所示各个模块是可以通过软件或硬件的方式来实现的，例如，对于后者，可以表现为以下实现方式，但不限于此：上述各个模块位于同一处理器中；上述各个模块以任意组合的方式位于不同的处理器中。
图8是根据本发明实施例的另一种空调机组的通信方法的流程图。如图8所示，该方法包括：
步骤S802，空调系统中的第一类空调机组通过电力网将上述第一类空调机组的全局唯一标识发送至第二类空调机组，其中，上述全局唯一标识为上述第一类空调机组在上述空调系统中的全局唯一标识；
步骤S804，第一类空调机组接收上述第二类空调机组的验证结果，其中，该验证结果为第二类空调机组对上述全局唯一标识进行验证得到的验证结果；
步骤S806，第一类空调机组在上述验证结果指示验证通过时，将上述全局唯一标识作为与其他空调机组进行通信时所采用的通信地址，其中，上述其他空调机组为上述空调系统中除上述第一类空调机组之外的任意一个空调机组。
可选地，步骤S806的验证过程可以表现为以下实现方式，但不限于此：第二类空调机组依据预先存储的标识和上述全局唯一标识进行比对，在两者一致时，确定验证通过；不一致时，确定未通过验证。其中，上述预先存储的标识的获取方式可以表现为通过该机组对应的线控器接收，或者，在第二类空调机组依据第一类空调机组发送的设备信息生成标识，并存储。
上述第二类空调机组包括但不限于：上述空调系统中的外机；上述第一类空调机组包括但不限于：上述空调系统中的内机。
上述第一空调机组和上述第二类空调机组通过各自的PLC控制器进行数据交互。
图9是根据本发明实施例的另一种空调机组的通信方法的流程图。如图9所示，该方法包括：
步骤S902，空调系统中的第二类空调机组通过电力网接收来自第一类空调机组的全局唯一标识发送至第二类空调机组，其中，上述全局唯一标识为上述第一类空调机组在上述空调系统中的全局唯一标识；
步骤S904，第二类空调机组对全局唯一标识进行验证，得到验证结果；
步骤S906，第二类空调机组将上述验证结果通过上述电力网发送至上述第一类空调机组，其中，上述第一类空调机组在验证结果指示验证通过时，使用上述全局唯一标识与上述空调系统中的其他空调机组进行数据交互，上述其他空调机组为上述空调系统中除上述第一类空调机组之外的任意一个空调机组。
需要说明的是，图8和图9所示实施例的相关描述，可以参见图1-图7所示实施例的相关描述，此处不再赘述。
根据本发明实施例，还提供了一种存储介质，该存储介质包括存储的程序，其中，在程序运行时控制存储介质所在设备执行以上所述的空调机组的通信方法，例如，上述程序运行时可以执行以下功能：空调系统中的第一类空调机组通过电力网将第一类空调机组的设备信息发送至第二类空调机组；第一类空调机组接收第二类空调机组依据设备信息为生成的全局唯一标识；第一类空调机组依据全局唯一标识与空调系统中的其他空调机组进行数据交互，其中，其他空调机组为空调系统中除第一类空调机组之外的任意一个空调机组。
根据本发明实施例，还提供了另外一种存储介质，该存储介质包括存储的程序，其中，在程序运行时控制存储介质所在设备执行以上所述的空调机组的通信方法，例如，上述程序运行时可以执行以下功能：空调系统中的第二类空调机组通过电力网接收来自第一类空调机组的设备信息；第二类空调机组依据设备信息生成第一类空调机组的全局唯一标识；第二类空调机组将全局唯一标识通过电力网发送至第一类空调机组，其中，第一类空调机组使用全局唯一标识与空调系统中的其他空调机组进行数据交互，其他空调机组为空调系统中除第一类空调机组之外的任意一个空调机组。
根据本发明实施例的提供了一种处理器，该处理器用于运行程序，其中，程序运行时执行以上所述的空调机组的通信方法，例如，上述程序运行时，可以执行以下功能：空调系统中的第一类空调机组通过电力网将第一类空调机组的设备信息发送至第二类空调机组；第一类空调机组接收第二类空调机组依据设备信息为生成的全局唯一标识；第一类空调机组依据全局唯一标识与空调系统中的其他空调机组进行数据交互，其中，其他空调机组为空调系统中除第一类空调机组之外的任意一个空调机组。
根据本发明实施例的提供了另一种处理器，该处理器用于运行程序，其中，程序运行时执行以上所述的空调机组的通信方法，例如，上述程序运行时，可以执行以下功能：空调系统中的第二类空调机组通过电力网接收来自第一类空调机组的设备信息；第二类空调机组依据设备信息生成第一类空调机组的全局唯一标识；第二类空调机组将全局唯一标识通过电力网发送至第一类空调机组，其中，第一类空调机组使用全局唯一标识与空调系统中的其他空调机组进行数据交互，其他空调机组为空调系统中除 第一类空调机组之外的任意一个空调机组。
上述本发明实施例序号仅仅为了描述，不代表实施例的优劣。
在本发明的上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述的部分，可以参见其他实施例的相关描述。
在本申请所提供的几个实施例中，应该理解到，所揭露的技术内容，可通过其它的方式实现。其中，以上所描述的装置实施例仅仅是示意性的，例如所述单元的划分，可以为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，单元或模块的间接耦合或通信连接，可以是电性或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本发明各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本发明的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全部或部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可为个人计算机、服务器或者网络设备等)执行本发明各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、移动硬盘、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。
工业实用性
本申请实施例提供的方案可应用于空调机组通信领域，在本申请实施例中，采用 空调机组通过PLC控制器接入电力网，并通过电力网进行机组间通信的方式，实现了将PLC电力线载波通讯技术应用于空调系统中，通过电力线传输机组信息，可以有效的简化安装过程和网络结构，便于维护。

Claims (17)

  1. 一种空调系统，包括：
    至少一个空调机组，通过至少一个电力线通信PLC控制器接入电力网中；
    所述至少一个PLC控制器，一端接入所述电力网中，另一端接入所述至少一个空调机组，设置为将从所述电力网接收的数据发送至所述至少一个空调机组；或者，将所述至少一个空调机组的待传输数据通过所述电力网传输至空调系统中的其他空调机组。
  2. 根据权利要求1所述的空调系统，其中，所述至少一个PLC控制器和所述至少一个空调机组是一一对应的。
  3. 根据权利要求1所述的空调系统，其中，所述至少一个PLC控制器之间采用载波监听多点接入CSMA/碰撞检测CD通信协议进行通信。
  4. 根据权利要求1所述的空调系统，其中，所述至少一个PLC控制器与所述至少一个空调机组的控制器之间通过串行通信接口连接。
  5. 根据权利要求1所述的空调系统，其中，所述至少一个PLC控制器中的任意一个PLC控制器，还设置为在检测到来自所述任意一个PLC控制器内部的触发事件时，将所述待传输数据通过所述电力网发送至其他PLC控制器。
  6. 根据权利要求1所述的空调系统，其中，所述至少一个PLC控制器中的任意一个PLC控制器，还设置为检测所述电力网的通信质量；并依据所述通信质量调整所述任意一个PLC控制器和所述控制器之间的传输速率和/或所述任意一个PLC控制器的功率。
  7. 根据权利要求1所述的空调系统，其中，所述至少一个空调机组包括：至少一个第一类空调机组和至少一个第二类空调机组；所述至少一个PLC控制器，包括：与所述第一类空调机组连接的第一类PLC控制器和与所述第二类空调机组连接的第二类PLC控制器；
    所述第一类PLC控制器，设置为获取所述第一类空调机组的全局唯一标识，并将所述全局唯一标识通过所述电力网发送至第二类PLC控制器，其中，所述全局唯一标识为所述第一类空调机组在所述空调系统中的全局唯一标识；
    所述第二类PLC控制器，设置为对所述全局唯一标识进行验证，得到所述验 证结果；并将所述验证结果通过所述电力网发送至所述第一类PLC控制器；
    所述第一类PLC控制器，还设置为接收来自第二类PLC控制器发送的验证结果，并在所述验证结果指示验证通过时，将所述全局唯一标识作为与其他PLC控制器进行通信时所采用的通信地址。
  8. 根据权利要求7所述的空调系统，其中，所述第二类空调机组包括：所述空调系统中的外机；所述第一类空调机组包括：所述空调系统中的内机。
  9. 根据权利要求1至8中任意一项所述的空调系统，其中，所述至少一个PLC控制器设置于所述至少一个空调机组的空调控制器所在主板上。
  10. 一种空调系统，包括：多个空调系统，所述多个空调系统中的任意一个空调系统为权利要求1至9中任意一项所述的空调系统。
  11. 根据权利要求10所述的空调系统，其中，所述多个空调系统中的任意一个空调系统中的各个机组具有各自对应的全局唯一标识，并且所述任意一个空调系统中的各个机组间具有配对关系。
  12. 一种空调机组的通信方法，包括：
    空调系统中的第一类空调机组通过电力网将所述第一类空调机组的全局唯一标识发送至第二类空调机组，其中，所述全局唯一标识为所述第一类空调机组在所述空调系统中的全局唯一标识；
    所述第一类空调机组接收所述第二类空调机组的验证结果，其中，该验证结果为第二类空调机组对所述全局唯一标识进行验证得到的验证结果；
    所述第一类空调机组在所述验证结果指示验证通过时，将所述全局唯一标识作为与其他空调机组进行通信时所采用的通信地址，其中，所述其他空调机组为所述空调系统中除所述第一类空调机组之外的任意一个空调机组。
  13. 根据权利要求12所述的方法，其中，所述第二类空调机组包括：所述空调系统中的外机；所述第一类空调机组包括：所述空调系统中的内机。
  14. 根据权利要求12所述的方法，其中，所述第一类空调机组和所述第二类空调机组通过各自的PLC控制器进行数据交互。
  15. 一种空调机组的通信方法，包括：
    空调系统中的第二类空调机组通过电力网接收来自第一类空调机组的全局唯一标识发送至第二类空调机组，其中，所述全局唯一标识为所述第一类空调机组 在所述空调系统中的全局唯一标识；
    所述第二类空调机组对全局唯一标识进行验证，得到验证结果；
    所述第二类空调机组将所述验证结果通过所述电力网发送至所述第一类空调机组，其中，所述第一类空调机组在验证结果指示验证通过时，使用所述全局唯一标识与所述空调系统中的其他空调机组进行数据交互，所述其他空调机组为所述空调系统中除所述第一类空调机组之外的任意一个空调机组。
  16. 一种存储介质，所述存储介质包括存储的程序，其中，在所述程序运行时控制所述存储介质所在设备执行权利要求12至15中任意一项所述的空调机组的通信方法。
  17. 一种处理器，所述处理器设置为运行程序，其中，所述程序运行时执行权利要求12至15中任意一项所述的空调机组的通信方法。
PCT/CN2018/121134 2018-04-13 2018-12-14 空调系统及空调机组的通信方法 WO2019196477A1 (zh)

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