CN106016587B - multi-connected air conditioning unit and communication method and device thereof - Google Patents
multi-connected air conditioning unit and communication method and device thereof Download PDFInfo
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- CN106016587B CN106016587B CN201610335248.2A CN201610335248A CN106016587B CN 106016587 B CN106016587 B CN 106016587B CN 201610335248 A CN201610335248 A CN 201610335248A CN 106016587 B CN106016587 B CN 106016587B
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- 238000004891 communication Methods 0.000 title claims abstract description 277
- 238000004378 air conditioning Methods 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 10
- 238000009434 installation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
-
- 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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- Combustion & Propulsion (AREA)
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- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
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- Mathematical Physics (AREA)
- Small-Scale Networks (AREA)
- Air Conditioning Control Device (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
The invention discloses a multi-connected air conditioning unit and a communication method and device thereof. The multi-connected air conditioning unit and the communication method thereof comprise the following steps: judging whether the first PLC air conditioning unit receives CAN communication data or not; if the first PLC air conditioning unit receives the CAN communication data, converting the CAN communication data into PLC communication data, wherein the PLC communication data are data transmitted through a power supply power line network; and transmitting PLC communication data to the power supply power line network through the power supply power line. The invention solves the problem that the CAN communication air conditioning unit in the related technology CAN not be accessed to a power supply power line network.
Description
Technical field
The present invention relates to field of air conditioning, in particular to a kind of multi-variable air conditioning unit and its means of communication and device.
Background technique
Multi-variable air conditioning unit is currently used air-conditioning system, including one or more air-conditioner outdoor unit groups and multiple
Air conditioner indoor unit group.The connection type of communication network used by usual multi-variable air conditioning unit is each to be connected by data communication line
Air-conditioner set, due to multi-variable air conditioning unit have air-conditioning quantity it is more, installation site dispersion, it is hidden the features such as, therefore, cause existing
That there is project installations is at high cost for the communication network of multi-variable air conditioning unit, difficulty is high, connection poor contact and failure are difficult to arrange
The defects of looking into.
Network of the energizing power gauze network as power supply, generally existing in each building, multi-connected air conditioner
Group usually accesses energizing power gauze network by power supply line.Since energizing power gauze network is also used as data communication
Transmission medium, therefore, the multi-variable air conditioning unit of access energizing power gauze network can use electric line carrier communication (Power
Line Communication, abbreviation PLC) technology, pass through energizing power line transmitted data on network.
But there are also using controller local area network (Control Area Network, abbreviation in multi-variable air conditioning unit
CAN) the air-conditioner set communicated can not access energizing power gauze network using the air-conditioner set of CAN communication in the prior art, can not
With the air-conditioner set networking using PLC communication.
Aiming at the problem that air-conditioner set of CAN communication in the related technology can not access energizing power gauze network, at present not yet
It puts forward effective solutions.
Summary of the invention
The main purpose of the present invention is to provide a kind of multi-variable air conditioning unit and its means of communication and devices, to solve correlation
The air-conditioner set of CAN communication can not access the problem of energizing power gauze network in technology.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of communication side of multi-variable air conditioning unit
Method.Multi-variable air conditioning unit includes CAN air-conditioner set and multiple PLC air-conditioner sets, wherein multiple PLC air-conditioner sets pass through power supply
Power supply line is accessed energizing power gauze network and is communicated using PLC mechanics of communication, and multiple PLC air-conditioner sets include the first PLC air-conditioning
Unit, CAN air-conditioner set are connected by CAN communication bus with the part PLC air-conditioner set in multiple PLC air-conditioner sets, are used
In sending CAN communication data, this method comprises: judging whether the first PLC air-conditioner set receives CAN communication data；If sentenced
Disconnected first PLC air-conditioner set out receives CAN communication data, converts PLC communication data for CAN communication data, wherein PLC
Communication data is the data by energizing power line network transmission；And it is sent by power supply line to energizing power gauze network
PLC communication data.
Further, the first PLC air-conditioner set is provided with communication data forwarding module, and communication data forwarding module is used for will
CAN communication data are converted into PLC communication data, and judging whether the first PLC air-conditioner set receives CAN communication data includes: to sentence
Whether disconnected first PLC air-conditioner set is more than that preset time does not receive CAN online data, wherein CAN online data is CAN empty
What tune unit was sent is used to characterize the online data of CAN air-conditioner set；And if it is judged that the first PLC air-conditioner set is more than pre-
If the time does not receive CAN online data, communication control data forwarding module is closed.
Further, CAN air-conditioner set is connected with the first PLC air-conditioner set, judges whether the first PLC air-conditioner set connects
Receiving CAN communication data includes: to judge whether the first PLC air-conditioner set is more than that preset time does not receive CAN communication data, such as
Fruit judges that the first PLC air-conditioner set is more than that preset time does not receive CAN communication data, judges CAN air-conditioner set and the
The connection of one PLC air-conditioner set goes offline and executes first to CAN air-conditioner set and goes offline operation, wherein first operation that goes offline is used for
Remove the related data of the CAN air-conditioner set in the first PLC air-conditioner set.
Further, executing first operation that goes offline to CAN air-conditioner set includes: that will be performed the first CAN for going offline operation
Air-conditioner set is removed name from the rolls in the online list of CAN air-conditioner set of the first PLC air-conditioner set；And/or the first PLC air-conditioner set of control
Display be performed first go offline operation CAN air-conditioner set and the first PLC air-conditioner set the failure identification that goes offline of connection.
Further, CAN air-conditioner set is connected with the first PLC air-conditioner set, this method further include: judges the first PLC
Whether air-conditioner set is more than that preset time does not receive the data that energizing power gauze network is sent to CAN air-conditioner set；If sentenced
Disconnected first PLC air-conditioner set out is more than that preset time does not receive the data that energizing power gauze network is sent to CAN air-conditioner set,
Judge that CAN air-conditioner set and the connection of energizing power gauze network go offline；Second is executed to CAN air-conditioner set to go offline operation.
Further, to CAN air-conditioner set execute second go offline operation include: instruction CAN air-conditioner set show with power
The failure identification that the connection of power line network goes offline；And/or instruction CAN air-conditioner set to energizing power gauze network application and is powered
Power line network line.
Further, this method further include: judge whether the first PLC air-conditioner set is more than preset time not from energizing power
Gauze network receives data；If it is judged that the first PLC air-conditioner set is more than that preset time does not receive number from energizing power gauze network
According to judging that the first PLC air-conditioner set goes offline in energizing power gauze network；Judging that the first PLC air-conditioner set powering
After going offline in power line network, the first PLC air-conditioner set of control executes third and goes offline operation.
Further, control the first PLC air-conditioner set execute third go offline operation include: control the first PLC air-conditioner set
To energizing power gauze network application and energizing power line network connectivity；Judge whether are the first PLC air-conditioner set and energizing power line
Successful connection；If it is judged that the first PLC air-conditioner set and the successful connection of energizing power line, indicate CAN air-conditioner set to power supply
Power line network application and energizing power line network connectivity.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of communication of multi-variable air conditioning unit fills
It sets.Multi-variable air conditioning unit includes CAN air-conditioner set and multiple PLC air-conditioner sets, wherein multiple PLC air-conditioner sets pass through power supply
Power supply line is accessed energizing power gauze network and is communicated using PLC mechanics of communication, and multiple PLC air-conditioner sets include the first PLC air-conditioning
Unit, CAN air-conditioner set are connected by CAN communication bus with the part PLC air-conditioner set in multiple PLC air-conditioner sets, are used
In sending CAN communication data, which includes: judging unit, for judging it is logical whether the first PLC air-conditioner set receives CAN
Interrogate data；Conversion unit, for if it is judged that the first PLC air-conditioner set receives CAN communication data, by CAN communication data
It is converted into PLC communication data, wherein PLC communication data is the data by energizing power line network transmission；And it sends single
Member, for sending PLC communication data to energizing power gauze network by power supply line.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of multi-variable air conditioning unit.The multi-joint sky
Adjusting unit includes the communication device of multi-variable air conditioning unit of the invention.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of multi-variable air conditioning unit.The multi-joint sky
Adjusting unit includes: CAN air-conditioner set, wherein CAN air-conditioner set includes: the first CAN communication module, for sending CAN communication number
According to；And multiple PLC air-conditioner sets, energizing power gauze network is accessed by power supply line and is communicated using PLC mechanics of communication,
Part PLC air-conditioner set in multiple PLC air-conditioner sets is connected by CAN communication bus with the first CAN communication module,
In, multiple PLC air-conditioner sets include the first PLC air-conditioner set, and the first PLC air-conditioner set includes: the second CAN communication module, with
First CAN communication module is connected, for receiving CAN communication data；Master control control module is connected with the second CAN communication module
It connects, receives CAN communication data for judging whether, and convert CAN communication data to after receiving CAN communication data
PLC communication data, wherein PLC communication data is the data by energizing power line network transmission；And power line communication mould
Block is connected with master control control module, for sending PLC communication data to energizing power gauze network by power supply line.
The present invention judges whether that receiving CAN air-conditioner set sends by the PLC air-conditioner set in energizing power gauze network
CAN communication data convert PLC communication data for CAN communication data after receiving CAN communication data, and by PLC
Communication data is sent via energizing power gauze network, and the air-conditioner set for solving CAN communication can not access energizing power gauze network
The problem of, and then achieved the effect that make the air-conditioner set of CAN communication to access energizing power gauze network.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of the means of communication of multi-variable air conditioning unit according to a first embodiment of the present invention；
Fig. 2 is the structural block diagram of the communication means of multi-variable air conditioning unit according to an embodiment of the present invention；
Fig. 3 is the flow chart of the means of communication of multi-variable air conditioning unit according to a second embodiment of the present invention；
Fig. 4 is the schematic diagram of the communication device of multi-variable air conditioning unit according to an embodiment of the present invention；
Fig. 5 is the schematic diagram of multi-variable air conditioning unit according to a first embodiment of the present invention；
Fig. 6 is the schematic diagram of multi-variable air conditioning unit according to a second embodiment of the present invention；And
Fig. 7 is the schematic diagram of PLC air-conditioner set forwarding CAN communication data according to an embodiment of the present invention.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only
The embodiment of the application a part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people
Member's every other embodiment obtained without making creative work, all should belong to the model of the application protection
It encloses.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to embodiments herein described herein.In addition, term " includes " and " tool
Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing a series of steps or units
Process, method, system, product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include without clear
Other step or units listing to Chu or intrinsic for these process, methods, product or equipment.
The embodiment provides a kind of means of communication of multi-variable air conditioning unit.
Fig. 1 is the flow chart of the means of communication of multi-variable air conditioning unit according to a first embodiment of the present invention.As shown in Figure 1,
Method includes the following steps:
Step S101, judges whether the first PLC air-conditioner set receives CAN communication data.
Multi-variable air conditioning unit includes CAN air-conditioner set and multiple PLC air-conditioner sets, wherein multiple PLC air-conditioner sets pass through
Power supply line is accessed energizing power gauze network and is communicated using PLC mechanics of communication, and multiple PLC air-conditioner sets include the first PLC
Air-conditioner set, the first PLC air-conditioner set can be any one air-conditioner set.CAN air-conditioner set passes through CAN communication bus and more
Part PLC air-conditioner set in a PLC air-conditioner set is connected, for sending CAN communication data.
Judge whether the first PLC air-conditioner set receives CAN communication data, if receiving CAN communication data, can sentence
Whether the CAN communication data that disconnected first PLC air-conditioner set receives are data that CAN air-conditioner set is sent.PLC air-conditioner set exists
After powering on, it can detect whether to receive CAN communication data according to Fixed Time Interval, if it is judged that the first PLC air-conditioning
The data that CAN air-conditioner set is sent when the CAN communication data that unit receives, then the first PLC air-conditioner set has identified CAN sky
It adjusts unit to be connected to the first PLC air-conditioner set, and the CAN communication data can be responded.
Any one air-conditioner set in multi-variable air conditioning unit is performed both by after power-up judges that the first PLC air-conditioner set is
It is no to receive CAN communication data, alternatively, can also judge certainly with each air-conditioner set in multi-variable air conditioning unit after power-up
Whether body is connected with CAN air-conditioner set, if it is judged that itself being connected with CAN air-conditioner set, judges whether to receive CAN communication
Data.
Step S102 converts CAN communication data if it is judged that the first PLC air-conditioner set receives CAN communication data
For PLC communication data.
PLC communication data is the data by energizing power line network transmission, and CAN air-conditioner set passes through CAN communication bus
The communication data of CAN air-conditioner set is sent to PLC air-conditioner set, PLC air-conditioner set receives CAN by CAN communication bus
After the CAN communication data that air-conditioner set is sent, PLC communication data is converted by CAN communication data.Optionally, PLC air conditioner
Group may include communication data forwarding module, convert PLC communication data for CAN communication data for executing.
Step S103 sends PLC communication data to energizing power gauze network by power supply line.
CAN communication data are being converted PLC communication data by PLC air-conditioner set, and PLC is communicated number by power supply line
According to energizing power gauze network is forwarded to realize the logical of other air-conditioner sets in CAN air-conditioner set and energizing power gauze network
News.
The means of communication for the multi-variable air conditioning unit that the embodiment provides, pass through the PLC air conditioner in energizing power gauze network
Group judges whether that the CAN communication data for receiving the transmission of CAN air-conditioner set lead to CAN after receiving CAN communication data
News data are converted into PLC communication data, and PLC communication data is sent via energizing power gauze network, solve CAN communication
Air-conditioner set can not access the problem of energizing power gauze network, and then reached and the air-conditioner set of CAN communication is made to access power supply
The effect of power line network.
The communication data for converting CAN communication data to PLC communication data can be set in first PLC air-conditioner set
Forwarding module.Judge whether the first PLC air-conditioner set receives CAN communication data and can be and judges that the first PLC air-conditioner set is
No is more than that preset time does not receive CAN online data, wherein CAN online data is also a kind of CAN communication data, is CAN sky
What tune unit was sent is used to characterize the online data of CAN air-conditioner set, if it is judged that when the first PLC air-conditioner set is more than default
Between do not receive CAN online data, then it is assumed that the CAN air-conditioner set connecting with the first PLC air-conditioner set is not online, control first
The communication data forwarding module of PLC air-conditioner set is closed, and communication data forwarding capability is disabled, so that the first PLC air-conditioner set
The available effective utilization of resource.
If the first PLC air-conditioner set receives CAN communication data, and the CAN communication data are the transmission of CAN air-conditioner set
Communication data, then may determine that the first PLC air-conditioner set is connected with CAN air-conditioner set, judging the first PLC air conditioner
Group is more than that preset time does not receive CAN communication data, judges that CAN air-conditioner set and the connection of the first PLC air-conditioner set fall
Line simultaneously executes first to CAN air-conditioner set and goes offline operation, wherein first go offline operation for removing in the first PLC air-conditioner set
In CAN air-conditioner set related data.
First operation that goes offline may include by the communication data of the CAN air-conditioner set in the first PLC air-conditioner set, network
The data such as location all remove, for example, by be performed first go offline operation CAN air-conditioner set the first PLC air-conditioner set CAN
It is removed name from the rolls in the online list of air-conditioner set, can also include that notice CAN air-conditioner set and the connection of the first PLC air-conditioner set go offline,
CAN air-conditioner set can execute corresponding operation after notified, connect for example, sending to the first PLC air-conditioner set
Line request etc. can also include in the terminal display CAN air-conditioner set of the first PLC air-conditioner set and the first PLC air-conditioner set
The failure identification to go offline or code are connected, waits certain CAN air-conditioner set to send CAN communication data again online.
If the first PLC air-conditioner set is connected with CAN air-conditioner set, it can be determined that the first PLC air-conditioner set whether be more than
Preset time does not receive the data that energizing power gauze network is sent to CAN air-conditioner set；If it is judged that the first PLC air conditioner
Group is more than that preset time does not receive the data that energizing power gauze network is sent to CAN air-conditioner set, judges CAN air-conditioner set
Connection with energizing power gauze network goes offline；Second is executed to CAN air-conditioner set to go offline operation.
It may include indicating that CAN air-conditioner set shows the event to go offline with the connection of energizing power gauze network that second, which goes offline, which operates,
Barrier mark；It also may include indicating CAN air-conditioner set to energizing power gauze network application and energizing power line network connectivity.
First PLC air-conditioner set can also determine whether to be more than that preset time does not receive any number from energizing power gauze network
According to or specific data, if it is judged that the first PLC air-conditioner set be more than preset time from energizing power gauze network receive it is any
Data or specific data judge that the first PLC air-conditioner set goes offline in energizing power gauze network.Judging the first PLC sky
It adjusts after unit goes offline in energizing power gauze network, the first PLC air-conditioner set of control executes third and goes offline operation.Third goes offline
Operation can be the first PLC air-conditioner set of control to energizing power gauze network application and energizing power line network connectivity, first
After the application of PLC air-conditioner set and energizing power line network connectivity, judge whether the first PLC air-conditioner set connects with energizing power line
It is connected into function；If it is judged that the first PLC air-conditioner set and the successful connection of energizing power line, instruction CAN air-conditioner set is electric to power supply
Powerline networks application and energizing power line network connectivity.
Fig. 2 is the structural block diagram of the communication means of multi-variable air conditioning unit according to an embodiment of the present invention.The embodiment can be with
As the preferred embodiment of above-mentioned first embodiment, as shown in Fig. 2, this method include automatic identification CAN air-conditioner set method,
CAN communication data method for transformation and CAN air-conditioner set communicating control method.
PLC air-conditioner set can may include mainboard controller in PLC air-conditioner set with automatic identification CAN air-conditioner set,
The mainboard controller of PLC air-conditioner set after power-up, can switch CAN communication polarity and communication wave according to fixed interval
Special rate, to adapt to CAN communication.The CAN online data that PLC air-conditioner set waits CAN air-conditioner set to send after power-up, CAN
CAN air-conditioner set is online for characterizing for online data, and PLC air-conditioner set is receiving the CAN of CAN air-conditioner set transmission in line number
According to later, can identifying CAN air-conditioner set, and determine that CAN air-conditioner set is online.If CAN air-conditioner set is online, PLC
Air-conditioner set can open communication data forwarding capability, and communication data forwarding capability can be the master by being arranged in mainboard controller
Control what control module executed.If it is judged that CAN air-conditioner set is not online, then the communication data of PLC air-conditioner set can be closed
Forwarding capability, so that the available most effective utilization of the resources of chip of mainboard controller.
Communication data forwarding capability may be implemented in PLC air-conditioner set, and the PLC communication data in energizing power gauze network is turned
It turns to CAN communication data forwarding and gives CAN air-conditioner set, the CAN communication data that CAN air-conditioner set is sent can also be converted to
PLC communication data is coupled to energizing power gauze network.
CAN air-conditioner set communicating control method may be implemented PLC air-conditioner set and judge whether CAN air-conditioner set is empty with PLC
It adjusts the connection of unit to go offline, can also judge whether CAN air-conditioner set goes offline with the connection of energizing power gauze network, can also sentence
It is disconnected that whether the connection of itself and energizing power gauze network goes offline.It may insure CAN sky by CAN air-conditioner set communicating control method
Adjust the reliability communicated between the air-conditioner set in unit and energizing power gauze network.
If it exceeds preset time PLC air-conditioner set does not receive the CAN communication data of CAN air-conditioner set transmission, then PLC
Air-conditioner set judges that CAN air-conditioner set goes offline, and removes the online mark of CAN air-conditioner set, shows in PLC air-conditioner set
The fault code that goes offline of CAN air-conditioner set, while certain CAN sky can be waited by the method for automatic identification CAN air-conditioner set
Adjust unit online.
If PLC air-conditioner set is after parsing energizing power gauze network is issued to the PLC communication data of PLC air-conditioner set
Judge to be more than that preset time does not receive the data that energizing power gauze network is sent to CAN air-conditioner set, then PLC air-conditioner set
Think that CAN air-conditioner set goes offline in energizing power gauze network, and can notify CAN air-conditioner set, CAN air-conditioner set can be shown
Show corresponding fault code, can also apply accessing energizing power gauze network again.
If PLC air-conditioner set is more than that preset time does not receive data from energizing power gauze network, then it is assumed that itself
It goes offline from energizing power gauze network, and can notify CAN air-conditioner set.PLC air-conditioner set is after judging that itself goes offline
Application incoming data frame can be sent to energizing power gauze network to apply accessing energizing power gauze according to prefixed time interval
Network.If the line success again of PLC air-conditioner set, CAN air-conditioner set can be reinformed, CAN air-conditioner set is receiving notice
Later, the request for data frame of application access energizing power gauze network can be sent again by PLC air-conditioner set.
Pass through automatic identification CAN air-conditioner set method, CAN communication data method for transformation and CAN air-conditioner set Communication Control
The organic coordination of method operates, it can be achieved that CAN air-conditioner set accesses the multi-variable air conditioning unit based on energizing power gauze network.
Fig. 3 is the flow chart of the means of communication of multi-variable air conditioning unit according to a second embodiment of the present invention.As shown in figure 3,
The method of the embodiment the following steps are included:
Step 1, PLC air-conditioner set power on.
Step 2, PLC air-conditioner set judge whether to receive CAN air-conditioner set online data.CAN air-conditioner set is in line number
According to for characterizing, CAN air-conditioner set is online, and PLC air-conditioner set is after judging to receive CAN air-conditioner set online data, really
It is online to make CAN air-conditioner set.If PLC air-conditioner set judges the online data for not receiving CAN air-conditioner set, step is returned
Rapid two continue to judge.
Step 3 judges whether to receive if judging to receive CAN air-conditioner set online data in step 2
CAN communication data.CAN communication data are the data that CAN air-conditioner set is sent, and are and other air-conditionings in energizing power gauze network
The data of unit interaction.
Step 4 judges whether sending itself if judging to receive CAN communication data in step 3
PLC communication data.If it is judged that sending the PLC communication data of itself, return step four continues to execute judgement.
Step 5, if judging to send out CAN air-conditioner set not in the PLC communication data for sending itself in step 4
The CAN communication data sent are converted into PLC communication data.
Step 6 sends the CAN communication data for being converted into PLC communication data into energizing power gauze network.
Step 7 judges whether CAN air-conditioner set goes offline after step 6.Wherein, if it is judged that CAN air conditioner
Group goes offline, return step two, judges whether to receive CAN air-conditioner set online data.If it is judged that CAN air-conditioner set does not fall
Line, return step three judge whether to receive CAN communication data.Wherein, after step 4, if it is judged that not receiving
CAN communication data execute step 7, judge whether CAN air-conditioner set goes offline.
Step 8, if it is judged that receiving CAN air-conditioner set online data, judges whether to receive after step 2
The data of CAN air-conditioner set are sent to energizing power gauze network.If it is judged that not receiving the transmission of energizing power gauze network
To the data of CAN air-conditioner set, return step seven judges whether CAN air-conditioner set goes offline.
Step 9 leads to PLC if it is judged that receiving the data that energizing power gauze network is sent to CAN air-conditioner set
News data are converted into CAN communication data.
Step 10 sends and is converted into the PLC communication datas of CAN communication data to CAN air-conditioner set.After step 10,
Step 7 is executed, judges whether CAN air-conditioner set goes offline.
The means of communication of the multi-variable air conditioning unit provided by the embodiment may be implemented CAN air-conditioner set and be based on power supply
The multi-variable air conditioning unit of power line network communicates, and CAN air-conditioner set is accessed energizing power gauze network.
It should be noted that step shown in the flowchart of the accompanying drawings can be in such as a group of computer-executable instructions
It is executed in computer system, although also, logical order is shown in flow charts, and it in some cases, can be with not
The sequence being same as herein executes shown or described step.
The embodiments of the present invention also provide a kind of communication devices of multi-variable air conditioning unit.It should be noted that of the invention
The communication device of the multi-variable air conditioning unit of embodiment can be used for executing the means of communication of multi-variable air conditioning unit of the invention.
Fig. 4 is the schematic diagram of the communication device of multi-variable air conditioning unit according to an embodiment of the present invention.As shown in figure 4, the dress
It sets including judging unit 10, conversion unit 20 and transmission unit 30.
Multi-variable air conditioning unit includes CAN air-conditioner set and multiple PLC air-conditioner sets, wherein multiple PLC air-conditioner sets pass through
Power supply line is accessed energizing power gauze network and is communicated using PLC mechanics of communication, and multiple PLC air-conditioner sets include the first PLC
Air-conditioner set, CAN air-conditioner set are connected by CAN communication bus with the part PLC air-conditioner set in multiple PLC air-conditioner sets
It connects, for sending CAN communication data.
Judging unit 10 is for judging whether the first PLC air-conditioner set receives CAN communication data.Conversion unit 20 is used for
If it is judged that the first PLC air-conditioner set receives CAN communication data, PLC communication data is converted by CAN communication data,
In, PLC communication data is the data by energizing power line network transmission.Transmission unit 30 is used to pass through power supply line to confession
Electric power line network sends PLC communication data.
The embodiments of the present invention also provide a kind of multi-variable air conditioning units.It should be noted that the embodiment of the present invention is more
Air-conditioner group may include the communication device of the multi-variable air conditioning unit of the embodiment of the present invention.
Fig. 5 is the schematic diagram of multi-variable air conditioning unit according to a first embodiment of the present invention.As shown in figure 5, the combined air conditioners
Unit includes multiple PLC air-conditioner sets and multiple CAN air-conditioner sets.Part in CAN air-conditioner set and multiple PLC air-conditioner sets
Air-conditioner set is connected by CAN communication line, and optionally, a CAN air-conditioner set can pass through CAN with a PLC air-conditioner set
Connection connection, multiple PLC air-conditioner sets access energizing power gauze network by power supply line.The combined air conditioners of the embodiment
Unit can be used for executing the means of communication of multi-variable air conditioning unit provided in an embodiment of the present invention.
CAN air-conditioner set may include the first CAN communication module, and the first CAN communication module is for sending CAN communication number
According to.
Part PLC air-conditioner set in multiple PLC air-conditioner sets passes through CAN communication bus and the first CAN communication module phase
Connection, wherein multiple PLC air-conditioner sets include the first PLC air-conditioner set, and the first PLC air-conditioner set includes the second CAN communication mould
Block, master control control module and power line communication module.
Second CAN communication module is connected, for receiving CAN communication data with the first CAN communication module；Master control control
Module is connected with the second CAN communication module, receives CAN communication data for judging whether, and receiving CAN communication
PLC communication data is converted by CAN communication data after data, wherein PLC communication data is to pass by energizing power gauze network
Defeated data；And power line communication module, it is connected with master control control module, for passing through power supply line to energizing power
Gauze network sends PLC communication data.
It optionally, can be by CAN air-conditioner set and first when arranging the multi-variable air conditioning unit network that the embodiment provides
PLC air-conditioner set, alternatively, and being connected with the first PLC air-conditioner set comprising the air-conditioner set of equal modules.
Fig. 6 is the schematic diagram of multi-variable air conditioning unit according to a second embodiment of the present invention.As shown in fig. 6, the combined air conditioners
Each air-conditioner set is provided with mainboard controller in unit, and multiple PLC air-conditioner set mainboard controllers pass through power supply line
Energizing power gauze network is accessed, CAN air-conditioner set mainboard controller is connected to multiple PLC air-conditioner set masters by CAN communication line
Part PLC air-conditioner set mainboard controller in plate controller.
Fig. 7 is the schematic diagram of PLC air-conditioner set forwarding CAN communication data according to an embodiment of the present invention.As shown in fig. 7,
PLC air-conditioner set mainboard controller includes master control control module, power line communication module and CAN communication module, and master control controls mould
By serial communication between block and power line communication module, master control control module passes through power line communication module number to be sent
According to being coupled on power supply line, it is sent in energizing power gauze network, and energizing power is parsed by power line communication module
The data transmitted in gauze network.
CAN air-conditioner set mainboard controller includes master control control module and CAN communication module, CAN air-conditioner set mainboard control
The master control control module of device processed passes through the CAN communication module communication of CAN communication module and PLC air-conditioner set mainboard controller.
The master control control module of CAN air-conditioner set mainboard controller can pass through CAN communication module with data to be sent
It is transmitted to the CAN communication module of PLC air-conditioner set mainboard controller, the master control control module of PLC air-conditioner set mainboard controller
Processing is carried out to the CAN communication data that CAN communication module receives and is converted into PLC communication data, passes through power line communication module
PLC communication data is coupled in energizing power gauze network.
The PLC communication data sent in energizing power gauze network to CAN air-conditioner set is controlled by PLC air-conditioner set mainboard
The power line communication module of device receives, and is converted into CAN communication number by the master control control module of PLC air-conditioner set mainboard controller
It is communicated according to via CAN communication module and CAN air-conditioner set, CAN air-conditioner set receives CAN by the CAN communication module of itself and leads to
Data are interrogated, the operation such as parsing or response is executed to CAN communication data by the master control control module of itself.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
Be performed by computing device in the storage device, perhaps they are fabricated to each integrated circuit modules or by they
In multiple modules or step be fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific
Hardware and software combines.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of means of communication of multi-variable air conditioning unit, which is characterized in that the multi-variable air conditioning unit include CAN air-conditioner set and
Multiple PLC air-conditioner sets, wherein the multiple PLC air-conditioner set accesses energizing power gauze network by power supply line and adopts
It is communicated with PLC mechanics of communication, the multiple PLC air-conditioner set includes the first PLC air-conditioner set, and CAN air-conditioner set is logical by CAN
News bus is connected with the part PLC air-conditioner set in the multiple PLC air-conditioner set, described for sending CAN communication data
Method includes:
Judge whether the first PLC air-conditioner set receives the CAN communication data；
If it is judged that the first PLC air-conditioner set receives the CAN communication data, the CAN communication data are converted
For PLC communication data, wherein the PLC communication data is the data by the energizing power line network transmission；And
The PLC communication data is sent to the energizing power gauze network by the power supply line；
Wherein, the first PLC air-conditioner set is provided with communication data forwarding module, and the communication data forwarding module is used for will
The CAN communication data are converted into PLC communication data；
Judging whether the first PLC air-conditioner set receives CAN communication data includes: to judge the first PLC air-conditioner set
It whether is more than that preset time does not receive CAN online data, wherein the CAN online data is CAN air-conditioner set transmission
For characterizing the online data of the CAN air-conditioner set；And if it is judged that the first PLC air-conditioner set is more than described
Preset time does not receive the CAN online data, controls the communication data forwarding module and closes.
2. the method according to claim 1, wherein the CAN air-conditioner set and the first PLC air-conditioner set
It is connected, judges whether the first PLC air-conditioner set receives CAN communication data and include:
Judge whether the first PLC air-conditioner set is more than that preset time does not receive the CAN communication data；And
If it is judged that the first PLC air-conditioner set is more than that the preset time does not receive the CAN communication data, judge
The connection of the CAN air-conditioner set and the first PLC air-conditioner set goes offline and executes first to the CAN air-conditioner set out
Line operation, wherein described first goes offline operation for removing the CAN air-conditioner set in the first PLC air-conditioner set
Related data.
3. according to the method described in claim 2, operating packet it is characterized in that, executing first to the CAN air-conditioner set and going offline
It includes:
By be performed first go offline operation CAN air-conditioner set the first PLC air-conditioner set CAN air-conditioner set in alignment
It is removed name from the rolls in table；And/or
Control the first PLC air-conditioner set show be performed first go offline operation CAN air-conditioner set and the first PLC it is empty
The failure identification for adjusting the connection of unit to go offline.
4. the method according to claim 1, wherein the CAN air-conditioner set and the first PLC air-conditioner set
It is connected, the method also includes:
Judge whether the first PLC air-conditioner set is more than that preset time does not receive the energizing power gauze network to described
The data that CAN air-conditioner set is sent；
If it is judged that the first PLC air-conditioner set be more than the preset time do not receive the energizing power gauze network to
The data that the CAN air-conditioner set is sent, judge that the CAN air-conditioner set and the connection of the energizing power gauze network fall
Line；And
Second is executed to the CAN air-conditioner set to go offline operation.
5. according to the method described in claim 4, operating packet it is characterized in that, executing second to the CAN air-conditioner set and going offline
It includes:
Indicate that the CAN air-conditioner set shows the failure identification to go offline with the connection of the energizing power gauze network；And/or
Indicate the CAN air-conditioner set to the energizing power gauze network application and the energizing power line network connectivity.
6. the method according to claim 1, wherein the method also includes:
Judge whether the first PLC air-conditioner set is more than that preset time does not receive data from the energizing power gauze network；
If it is judged that the first PLC air-conditioner set is more than that the preset time does not receive number from the energizing power gauze network
According to judging that the first PLC air-conditioner set goes offline in the energizing power gauze network；And
After judging that the first PLC air-conditioner set goes offline in the energizing power gauze network, the first PLC is controlled
Air-conditioner set executes third and goes offline operation.
7. according to the method described in claim 6, it is characterized in that, control the first PLC air-conditioner set execution third goes offline
Operation includes:
The first PLC air-conditioner set is controlled to the energizing power gauze network application and the energizing power line network connectivity；
Judge the first PLC air-conditioner set and the energizing power line whether successful connection；And
If it is judged that the first PLC air-conditioner set and the energizing power line successful connection, indicate the CAN air-conditioner set
To the energizing power gauze network application and the energizing power line network connectivity.
8. a kind of communication device of multi-variable air conditioning unit, which is characterized in that the multi-variable air conditioning unit include CAN air-conditioner set and
Multiple PLC air-conditioner sets, wherein the multiple PLC air-conditioner set accesses energizing power gauze network by power supply line and adopts
It is communicated with PLC mechanics of communication, the multiple PLC air-conditioner set includes the first PLC air-conditioner set, and CAN air-conditioner set is logical by CAN
News bus is connected with the part PLC air-conditioner set in the multiple PLC air-conditioner set, described for sending CAN communication data
Device includes:
Judging unit, for judging whether the first PLC air-conditioner set receives the CAN communication data；
Conversion unit, for if it is judged that the first PLC air-conditioner set receives the CAN communication data, by the CAN
Communication data is converted into PLC communication data, wherein the PLC communication data is to pass through the energizing power line network transmission
Data；And
Transmission unit, for sending the PLC communication data to the energizing power gauze network by the power supply line；
Wherein, the first PLC air-conditioner set is provided with communication data forwarding module, and the communication data forwarding module is used for will
The CAN communication data are converted into PLC communication data, are more than that preset time does not receive institute in the first PLC air-conditioner set
In the case where stating CAN online data, the communication data forwarding module is closed.
9. a kind of multi-variable air conditioning unit, which is characterized in that the communication device including multi-variable air conditioning unit according to any one of claims 8.
10. a kind of multi-variable air conditioning unit characterized by comprising
CAN air-conditioner set, wherein the CAN air-conditioner set includes: the first CAN communication module, for sending CAN communication data；
And
Multiple PLC air-conditioner sets are accessed energizing power gauze network by power supply line and are communicated using PLC mechanics of communication, institute
The part PLC air-conditioner set stated in multiple PLC air-conditioner sets is connected by CAN communication bus with the first CAN communication module
It connects, wherein the multiple PLC air-conditioner set includes the first PLC air-conditioner set, and the first PLC air-conditioner set includes:
Second CAN communication module is connected with the first CAN communication module, for receiving the CAN communication data；
Master control control module is connected with the second CAN communication module, receives the CAN communication number for judging whether
According to, and PLC communication data is converted by the CAN communication data after receiving the CAN communication data, wherein it is described
PLC communication data is the data by the energizing power line network transmission；And
Power line communication module is connected with the master control control module, for by the power supply line to the power supply
Power line network sends the PLC communication data；
Wherein, the first PLC air-conditioner set is provided with communication data forwarding module, and the communication data forwarding module is used for will
The CAN communication data are converted into PLC communication data, are more than that preset time does not receive institute in the first PLC air-conditioner set
In the case where stating CAN online data, the communication data forwarding module is closed.
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| CN116683946A (en) * | 2017-12-18 | 2023-09-01 | 华为数字能源技术有限公司 | Photovoltaic system safety control method, equipment and system |
| CN108800446A (en) * | 2018-04-13 | 2018-11-13 | 珠海格力电器股份有限公司 | Air conditioning system and communication method between units in air conditioning system |
| CN108613258A (en) * | 2018-04-13 | 2018-10-02 | 珠海格力电器股份有限公司 | Air conditioning system and communication method of air conditioning unit |
| CN108592310A (en) * | 2018-04-13 | 2018-09-28 | 珠海格力电器股份有限公司 | Air conditioning system and communication method between units in air conditioning system |
| CN108397861A (en) * | 2018-04-13 | 2018-08-14 | 珠海格力电器股份有限公司 | Air conditioner controller and air conditioner |
| CN108833218B (en) * | 2018-04-13 | 2021-01-12 | 珠海格力电器股份有限公司 | Network system of multi-connected air conditioning unit and establishing method thereof |
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