CN106059715A - Multi-connected air-conditioning sets and data transmission method and device thereof - Google Patents

Multi-connected air-conditioning sets and data transmission method and device thereof Download PDF

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Publication number
CN106059715A
CN106059715A CN201610332680.6A CN201610332680A CN106059715A CN 106059715 A CN106059715 A CN 106059715A CN 201610332680 A CN201610332680 A CN 201610332680A CN 106059715 A CN106059715 A CN 106059715A
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CN
China
Prior art keywords
data
described data
data receiver
transmitted
conditioning unit
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Granted
Application number
CN201610332680.6A
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Chinese (zh)
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CN106059715B (en
Inventor
刘志辉
唐杰
邓忠文
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN201610332680.6A priority Critical patent/CN106059715B/en
Publication of CN106059715A publication Critical patent/CN106059715A/en
Application granted granted Critical
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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607Details of the supervisory signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/50Control or safety arrangements characterised by user interfaces or communication
    • F24F11/56Remote control
    • F24F11/58Remote control using Internet communication
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/54Systems for transmission via power distribution lines
    • H04B3/542Systems for transmission via power distribution lines the information being in digital form

Abstract

The invention discloses multi-connected air-conditioning sets and a data transmission method and device thereof. The method comprises the steps of: determining data receiving objects of data to be transmitted in a plurality of air-conditioning sets, wherein the data to be transmitted is the data transmitted to the data receiving objects; sending the data to be transmitted to the data receiving objects through a communication network; judging whether the data receiving objects are partial air-conditioning sets in the plurality of air-conditioning sets except the data sending side; and if the data receiving objects are partial air-conditioning sets in the plurality of air-conditioning sets except the data sending side, monitoring whether the data receiving objects receive the data to be transmitted. According to the invention, the problem in the prior art that the data transmission reliability of the communication network of the multi-connected air-conditioning sets is relatively poor is solved.

Description

Multi-variable air conditioning unit and data transmission method thereof and device
Technical field
The present invention relates to field of air conditioning, in particular to a kind of multi-variable air conditioning unit and data transmission method thereof and dress Put.
Background technology
Multi-variable air conditioning unit is the most conventional air conditioning system, including one or more air-conditioner outdoor unit groups and multiple Indoor apparatus of air conditioner group.Generally the connected mode of the communication network that multi-variable air conditioning unit is used is for be connected each by data communication line Multi-variable air conditioning unit, the communication network of multi-connected air conditioner group system can also use electrically-based line carrier communication (Power Lin Communication, is called for short PLC) communication network of technology.Energizing power gauze network is as the network of power supply, at each The most generally existing in building, multi-variable air conditioning unit generally accesses energizing power gauze network by power supply line.Due to power supply Power line network is also used as the transmission medium of data communication, therefore, accesses the multi-variable air conditioning unit of energizing power gauze network PLC can be used to transmit data.
Although using energizing power gauze network can solve the work of existing data communication network as data transmission medium The problem that journey installation cost is high, reduces connection loose contact phenomenon, but in correlation technique, multi-variable air conditioning unit is accessing confession After electricity power line network, the air conditioning unit destination object that cannot guarantee to send data receives data, and reliability is poor.
For the problem that the reliability of the communication network transmission data of multi-variable air conditioning unit in correlation technique is poor, the most still Effective solution is not proposed.
Summary of the invention
Present invention is primarily targeted at a kind of multi-variable air conditioning unit of offer and data transmission method thereof and device, to solve The problem that in correlation technique, the reliability of the communication network transmission data of multi-variable air conditioning unit is poor.
To achieve these goals, according to an aspect of the invention, it is provided the data of a kind of multi-variable air conditioning unit pass Transmission method.Multi-variable air conditioning unit includes multiple air conditioning unit, multiple air conditioning unit by communication network execution communication, the method bag Include: at multiple air conditioning unit middle data receiver objects determining data to be transmitted, wherein, data to be transmitted is to data receiver pair Data as transmission;Data to be transmitted is sent to data receiver object via communication network;Judge that whether data receiver object is Multiple air conditioning unit in part in air conditioning unit in addition to data receiver air conditioning unit;And if data receiver object For multiple air conditioning unit in part in air conditioning unit in addition to data receiver air conditioning unit, monitoring data receiver to as if No receive data to be transmitted.
Further, whether monitoring data receiver object receives data to be transmitted and includes: judges whether to receive and waits to supervise The data answering frame of control data receiver object feedback;If it is judged that the data receiving data receiver object to be monitored feedback should Answer frame, it is determined that data receiver object to be monitored receives data to be transmitted;And if it is judged that do not receive number to be monitored According to the data answering frame receiving object feedback, it is determined that data receiver object to be monitored does not receives data to be transmitted, and via Communication network sends data to be transmitted to the data receiver object to be monitored of non-feedback data acknowledgement frame again.
Further, it may be judged whether the data answering frame receiving data receiver object feedback includes: judge whether in advance If in response time, do not receive the data answering frame of data receiver object feedback, if it is judged that in default response time not Receiving the data answering frame of data receiver object feedback, the method also includes: judge that data receiver sends data to be transmitted Number of times whether exceed preset times, wherein, if it is judged that send the number of times of data to be transmitted not less than preset times, via Communication network sends data to be transmitted to the data receiver object of non-feedback data acknowledgement frame again;If it is judged that send to be passed The number of times of transmission of data exceedes preset times, no longer sends data to be transmitted to the data receiver object of non-feedback data acknowledgement frame.
Further, before whether monitoring data receiver object receives data to be transmitted, the method also includes: via Communication network sends data answering protocol frame to data receiver object, and wherein, data answering protocol frame is used for specifying data receiver The form of the data answering frame of object feedback, data receiver object is used for receiving data answering protocol frame and assisting according to data answering View frame generates the data answering frame of corresponding format.
Further, comprise determining that data connect at multiple air conditioning unit middle data receiver objects determining data to be transmitted Receive number and the address of object, send data to be transmitted via communication network to data receiver object and include: according to data receiver The number of object and address, data to be transmitted generate data transmission frames, and wherein, data receiver object is for receiving data biography Number and address, the data to be transmitted obtaining data receiver object is resolved after defeated frame;And connect to data via communication network Receive object and send data transmission frames.
Further, send data to be transmitted via communication network to data receiver object and comprise determining that data to be transmitted Control code, wherein, control code is for determining attribute and the direction of data to be transmitted;Control code according to data to be transmitted and treating Transmission data genaration data transmission frames;Data transmission frames is sent to data receiver object via communication network.
Further, communication network is energizing power gauze network, and multiple air conditioning unit accesses by power supply line are powered Power line network, and use electric line carrier communication technology to carry out communication.
To achieve these goals, according to an aspect of the invention, it is provided the data of a kind of multi-variable air conditioning unit pass Defeated device.Multi-variable air conditioning unit includes multiple air conditioning unit, multiple air conditioning unit by communication network execution communication, this device bag Include: determine unit, at multiple air conditioning unit middle data receiver objects determining data to be transmitted, wherein, data to be transmitted For the data to data receiver object transfer;Transmitting element, for sending to be transmitted via communication network to data receiver object Data;Judging unit, for judge data receiver object be whether multiple air conditioning unit in air-conditioning in addition to data receiver Part in unit is air conditioning unit;And monitoring unit, if being multiple air conditioning unit middle divisor evidences for data receiver object Part in air conditioning unit outside sender is air conditioning unit, and whether monitoring data receiver object receives data to be transmitted.
Further, monitoring unit includes: judge module, is used for judging whether to receive data receiver object to be monitored anti- The data answering frame of feedback;Determine module, for if it is judged that receive the data answering of data receiver object to be monitored feedback Frame, it is determined that data receiver object to be monitored receives data to be transmitted;And execution module, for if it is judged that do not receive Data answering frame to data receiver object to be monitored feedback, it is determined that data receiver object to be monitored does not receives number to be transmitted According to, and again send data to be transmitted to the data receiver object to be monitored of non-feedback data acknowledgement frame via communication network.
To achieve these goals, according to an aspect of the invention, it is provided a kind of multi-variable air conditioning unit.This multi-joint sky Tune unit includes the data transmission device of the multi-variable air conditioning unit of the present invention.
The present invention is by after the data receiver object determining data to be transmitted, it is judged that if data receiver is to liking Multiple air conditioning unit in part in air conditioning unit in addition to data receiver air conditioning unit, whether monitoring data receiver object Receive data to be transmitted, solve the poor problem of reliability of the communication network transmission data of multi-variable air conditioning unit, and then Reach the effect of the reliability of the communication network transmission data improving multi-variable air conditioning unit.
Accompanying drawing explanation
The accompanying drawing of the part constituting the application is used for providing a further understanding of the present invention, and the present invention's is schematic real Execute example and illustrate for explaining the present invention, being not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of the data transmission method of multi-variable air conditioning unit according to embodiments of the present invention;
Fig. 2 is the structured flowchart of the data transmission method of multi-variable air conditioning unit according to the preferred embodiment of the invention;
Fig. 3 is the structured flowchart of the data-transmission mode of multi-variable air conditioning unit according to embodiments of the present invention;
Fig. 4 is the structured flowchart of the Data Transport Protocol frame of multi-variable air conditioning unit according to embodiments of the present invention;
Fig. 5 is the structured flowchart of the data transmission frames of multi-variable air conditioning unit according to embodiments of the present invention;
Fig. 6 is the structured flowchart of the control code of multi-variable air conditioning unit according to embodiments of the present invention;
Fig. 7 is the structured flowchart of the data field of multi-variable air conditioning unit according to embodiments of the present invention;
Fig. 8 is the structured flowchart of the response protocol frame of multi-variable air conditioning unit according to embodiments of the present invention;
Fig. 9 is the schematic diagram of the data transmission device of multi-variable air conditioning unit according to embodiments of the present invention;
Figure 10 is the schematic diagram of multi-variable air conditioning unit according to embodiments of the present invention.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases Combination mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
In order to make those skilled in the art be more fully understood that the application scheme, below in conjunction with in the embodiment of the present application Accompanying drawing, is clearly and completely described the technical scheme in the embodiment of the present application, it is clear that described embodiment is only The embodiment of the application part rather than whole embodiments.Based on the embodiment in the application, ordinary skill people The every other embodiment that member is obtained under not making creative work premise, all should belong to the model of the application protection Enclose.
It should be noted that term " first " in the description and claims of this application and above-mentioned accompanying drawing, " Two " it is etc. for distinguishing similar object, without being used for describing specific order or precedence.Should be appreciated that so use Data can exchange in the appropriate case, in order to embodiments herein described herein.Additionally, term " includes " and " tool Have " and their any deformation, it is intended that cover non-exclusive comprising, such as, contain series of steps or unit Process, method, system, product or equipment are not necessarily limited to those steps or the unit clearly listed, but can include the most clear That list to Chu or for intrinsic other step of these processes, method, product or equipment or unit.
The embodiment provides the data transmission method of a kind of multi-variable air conditioning unit.
Fig. 1 is the flow chart of the data transmission method of multi-variable air conditioning unit according to embodiments of the present invention.As it is shown in figure 1, The method comprises the following steps:
Step S101, at multiple air conditioning unit middle data receiver objects determining data to be transmitted.
Multi-variable air conditioning unit includes multiple air conditioning unit, multiple air conditioning unit in each air conditioning unit be interconnect , perform communication by communication network.
Data to be transmitted is the data to data receiver object transfer, data receiver object be multiple air conditioning unit in one Individual or multiple air conditioning unit, data to be transmitted is the data that data receiver mails to data receiver object, can be to control data, It can also be its data etc..
Step S102, sends data to be transmitted via communication network to data receiver object.
Data receiver sends data to be transmitted via communication network, and the destination object of transmission is data receiver object.Treat Transmission data can send together with the address of data receiver object, it is simple to data receiver object is checked and accepted.
Step S103, it is judged that data receiver object be whether multiple air conditioning unit in air conditioner in addition to data receiver Part in group is air conditioning unit.
Data receiver, after sending data to be transmitted via communication network, needs to monitor whether data to be transmitted sends To data connection object.But, if data receiver object be multiple air conditioning unit in whole empty in addition to data receiver Adjust unit, whether data receiver object is not received data to be transmitted and be monitored.Therefore, at monitoring data receiver object Before whether receiving data to be transmitted, after determining data receiver object, need to judge that whether data receiver object is Multiple air conditioning unit in part in air conditioning unit in addition to data receiver air conditioning unit.
Step S104, if data receiver object be multiple air conditioning unit in air conditioning unit in addition to data receiver Part air conditioning unit, monitoring data receiver object whether receive data to be transmitted.
If data receiver judge data receiver object be multiple air conditioning unit in sky in addition to data receiver Adjust the part in unit air conditioning unit, can be one, it is also possible to be multiple, data receiver via communication network to data Receive after object sends data to be transmitted and monitor whether data receiver object receives data to be transmitted.
The data transmission method of the multi-variable air conditioning unit that this embodiment provides, by connecing in the data determining data to be transmitted Receive after object, it is judged that if data receiver to as if multiple air conditioning unit in air conditioning unit in addition to data receiver Part air conditioning unit, monitoring data receiver object whether receive data to be transmitted, solve combined air conditioners in correlation technique The poor problem of reliability of the communication network transmission data of unit, and then reached to improve the communication network of multi-variable air conditioning unit The effect of the reliability of transmission data.
Preferably, the communication network that the multi-variable air conditioning unit in this embodiment uses can be energizing power gauze network, many Individual air conditioning unit by power supply line access energizing power gauze network, and use electric line carrier communication technology to carry out communication. Energizing power gauze network is the network for providing electric power, can convert data to electric power by electric line carrier communication technology The data can transmitted in line, utilize energizing power gauze network to carry out data communication as transmission medium.
Preferably, whether monitoring data receiver object receives the concrete steps of data to be transmitted and may is that and judge whether Receiving the data answering frame of data receiver object to be monitored feedback, data answering frame is that data receiver object to be monitored is receiving The Frame of the response of feedback after data to be transmitted, is used for characterizing this data receiver object and receives data receiver transmission Data to be transmitted, data receiver can determine that after receiving data answering frame this data receiver object receives and treats Transmission data.
Data receiver object to be monitored can be the part or all of data receiver object in data receiver object, Ke Yiyou Data receiver determines, data receiver can optionally monitor the part data receiver object in data receiver object or complete Portion's data receiver object.Alternatively, data receiver can also send to data receiver object when sending data to be transmitted and treat The mark of monitoring data receiver object, data receiver object judges after receiving mark whether oneself is that data to be monitored connect Receive object, if it is judged that from as data receiver object to be monitored, then feedback data should after receiving data to be transmitted Answer frame.
If data receiver judges not receive the data answering frame of data receiver object to be monitored feedback, it is determined that Data receiver object to be monitored does not receives data to be transmitted, and data receiver can determine data receiver object to be monitored not After receiving data to be transmitted, again send out to the data receiver object to be monitored of non-feedback data acknowledgement frame via communication network Send data to be transmitted.
Data receiver repeats to send the number of times of data to be transmitted can the upper limit, and specifically, data receiver can To judge whether to receive the data answering frame of data receiver object feedback at interval of default response time, if it is judged that in advance If not receiving the data answering frame of data receiver object feedback in response time, it is judged that data receiver sends data to be transmitted Number of times whether exceed preset times, judging send data to be transmitted number of times not less than preset times, data receiver Again data to be transmitted is sent to the data receiver object of non-feedback data acknowledgement frame via communication network.When judging that data are sent out When the number of times of the side's of sending transmission data to be transmitted exceedes preset times, the no longer data receiver object to non-feedback data acknowledgement frame is sent out Send data to be transmitted.
The data answering frame of data receiver object feedback can be the Frame having set form, and data receiver object is permissible It is previously stored with the set form of this data answering frame, or, it is also possible to it is to liking at data receiver monitoring data receiver No receive data to be transmitted before, via communication network to data receiver object send data answering protocol frame, data answering The form of the data answering frame that protocol frame feeds back for specifying data receiver object.This data answering protocol frame can be with to be transmitted Data send in the lump, and data receiver object is receiving data answering protocol frame and generating corresponding format according to data answering protocol frame Data answering frame.
While data receiver sends data to be transmitted, it is also possible to send other data, such as, data receiver object Number and address, control code etc..Sending before data to be transmitted to data receiver object via communication network, first determining data Receiving number and the data such as address, control code of object, wherein, control code is for determining attribute and the direction of data to be transmitted. These data can be to be represented by coding, the form such as digital, alphabetical.Data receiver is being determined with data to be transmitted together After the data sent, data transmission frames can be generated according to these data with data to be transmitted, and via communication network to number Data transmission frames is sent according to receiving object.Data receiver object can resolve after receiving data transmission frames, obtains to be passed Transmission of data and with other data of carrying in data transmission frames.Data receiver can be by data transmission frames and response protocol frame Merge into a Frame to send to data receiver object.
Fig. 2 is the structured flowchart of the data transmission method of multi-variable air conditioning unit according to the preferred embodiment of the invention.This is real Execute the preferred embodiment that example can be above-described embodiment, as in figure 2 it is shown, the data transmission method of this embodiment includes two portions Point, data-transmission mode and Data Transport Protocol frame.
Data-transmission mode can be classified by data receiver according to the number of data receiver object, specifically, and can So that data-transmission mode is divided three classes, if as it is shown on figure 3, data receiver object be one air conditioning unit, data transmission mould Formula is unicast mode, if data receiver object is that the part in multi-variable air conditioning unit is air conditioning unit, data-transmission mode is group Broadcasting pattern, if data receiver object is the most air conditioning unit, data-transmission mode is broadcast mode.At unicast mode and multicast Under pattern, data receiver needs to monitor whether data receiver object receives data to be transmitted, can be by judging whether to connect The data answering frame receiving data receiver object feedback judges, it is alternatively possible to send response when sending data to be transmitted Protocol frame carrys out the form of the data answering frame of regulation data receiver object feedback, and in a broadcast mode, data receiver does not monitors Whether data receiver object receives data to be transmitted, does not judge whether to receive the data answering of data receiver object feedback Frame, alternatively, data receiver can not send response protocol frame in a broadcast mode.
Data Transport Protocol frame is the Frame that data receiver sends, and as shown in Figure 4, Data Transport Protocol frame can wrap Include data transmission frames and response protocol frame.Can carry data to be transmitted in data transmission frames, response protocol frame may be used for The form of the data answering frame of regulation data receiver object feedback.Transmission side data by the multi-variable air conditioning unit of this embodiment In method, data-transmission mode and organic cooperation of Data Transport Protocol frame, effective specification network data transmission, thus ensure that The high efficiency of data transmission and reliability.
Fig. 5 is the structured flowchart of the data transmission frames of multi-variable air conditioning unit according to embodiments of the present invention.As it is shown in figure 5, Data transmission frames can include frame head code, address number, address field, control code, data field length, data field, frame check code and Frame end code.Frame head code is the initial data of frame, and address number is the address number in address field, and address field is data receiver pair The address occurrence of elephant, control code controls transmission direction and the attribute of data, and data field length is the byte quantity in data field, Data field is the occurrence of data to be transmitted, and frame check code is check code, can be by calculating frame head code to data field all values The remainder values of 0x10000 remainder is obtained by sum, and frame end code is the end data of frame.
Fig. 6 is the structured flowchart of the control code of multi-variable air conditioning unit according to embodiments of the present invention.As shown in Figure 6, control Code can include 8 bits (Bit), and the 0th is used for representing data transfer direction, if value is 0, expression is the data that main frame sends Host-host protocol frame, if value is 1, expression is the Data Transport Protocol frame sent from machine, wherein, multiple air conditioning unit in can divide For main frame with from machine, use host-guest architecture.1st, the 2nd, the 3rd, the 4th and the 5th can be used to indicate that data are transmitted Attribute.Data transfer characteristics can use combined value to represent, K value represents that data transfer characteristics represents data for reading data, M value Transmission property is for writing data, and N value represents that data transfer characteristics is actively to send data, and H-number can be self-defined.6th and the 7th Can reserve.
Fig. 7 is the structured flowchart of the data field of multi-variable air conditioning unit according to embodiments of the present invention.As it is shown in fig. 7, data Territory, for protocol data function, position, data occurrence and verification etc., can include data function code, valid data length, number According to type, data initial address, valid data and CRC check code, data function code is used for characterizing data function type, significant figure According to the byte quantity of a length of valid data, data type is for characterizing the classification of protocol data, and data type is protocol data Classification, data initial address is the initial address of protocol data, and valid data are the occurrence of protocol data, CRC check code For calculated CRC check value from data function code to valid data.
The CRC check code of frame check code and data field ensure that data accuracy, address number and address field clearly provide Data receiver object, data field includes all information of data to be transmitted, ensure that data accuracy and height from data receiver Effect property.
In the communication network of multi-variable air conditioning unit based on PLC, some data needs to be sent to all of combined air conditioners Unit, some data needs to be sent to part multi-variable air conditioning unit, and some data is simply sent to single multi-variable air conditioning unit, in order to Meeting these demands, data-transmission mode can be divided into clean culture, multicast and broadcast transmission mode, by address number and address field Combination may determine that data-transmission mode.If address number is 0, address field is also 0, and data-transmission mode is broadcast transmission Pattern, when address number is more than 1 and is less than the number of whole multi-variable air conditioning unit, address field is the mark of all data receiver objects Identifier value, data-transmission mode is multicast data transmission mode, and when address number is equal to 1, address field is that individual data receives object Identifier value, data-transmission mode is unicast transmission mode.
In order to ensure the accurate data that receive of data receiver object, data receiver object after receiving the data, need to be sent out Sending data answering frame, data receiver passes through response protocol frame definition data answering frame in the Data Transport Protocol frame sent Form, as shown in Figure 8, response protocol frame includes start-of-frame, Self address territory and frame check code.Self address territory is data Receive the address of object self.If data receiver does not receives the data answering frame of some data receiver object feedback, weight Newly the data receiver object of these non-feedback data acknowledgement frames is sent data.When data receiver is to certain data receiver object When the number of times of retransmission data exceedes certain number of times, no longer retransmit, it is possible to report this information, such as, at the end of data receiver End shows that this data receiver object fails reception data.
It should be noted that can be at such as one group of computer executable instructions in the step shown in the flow chart of accompanying drawing Computer system performs, and, although show logical order in flow charts, but in some cases, can be with not It is same as the step shown or described by order execution herein.
Embodiments of the invention additionally provide the data transmission device of a kind of multi-variable air conditioning unit.It should be noted that this The data transmission device of the multi-variable air conditioning unit of inventive embodiments may be used for performing the data of the multi-variable air conditioning unit of the present invention Transmission method.
Fig. 9 is the schematic diagram of the data transmission device of multi-variable air conditioning unit according to embodiments of the present invention.As it is shown in figure 9, This device includes determining unit 10, transmitting element 20, it is judged that unit 30 and monitoring unit 40.
Multi-variable air conditioning unit includes multiple air conditioning unit, multiple air conditioning unit by communication network execution communication, determines list Unit 10 is at multiple air conditioning unit middle data receiver objects determining data to be transmitted, and wherein, data to be transmitted is to data Receive the data of object transfer;Transmitting element 20 is for sending data to be transmitted via communication network to data receiver object;Sentence Disconnected unit 30 for judge data receiver object be whether multiple air conditioning unit in air conditioning unit in addition to data receiver Part air conditioning unit;And if monitoring unit 40 for data receiver object be multiple air conditioning unit in except data receiver Outside air conditioning unit in part air conditioning unit, monitoring data receiver object whether receive data to be transmitted.
Preferably, monitoring unit 40 can include judge module, determines module and performs module.Judge module is used for judging Whether receive the data answering frame of data receiver object to be monitored feedback.Determine that module is for if it is judged that receive and wait to supervise The data answering frame of control data receiver object feedback, it is determined that data receiver object to be monitored receives data to be transmitted.Perform Module is not for if it is judged that receive the data answering frame of data receiver object to be monitored feedback, it is determined that data to be monitored Receive object and do not receive data to be transmitted, and again connect to the data to be monitored of non-feedback data acknowledgement frame via communication network Receive object and send data to be transmitted.
The data transmission device of the multi-variable air conditioning unit that this embodiment provides, by connecing in the data determining data to be transmitted Receive after object, it is judged that if data receiver to as if multiple air conditioning unit in air conditioning unit in addition to data receiver Part air conditioning unit, monitoring data receiver object whether receive data to be transmitted, solve the communication of multi-variable air conditioning unit The problem that the reliability of transmitted data on network is poor, and then reached to improve the communication network transmission data of multi-variable air conditioning unit The effect of reliability.
Embodiments of the invention additionally provide a kind of multi-variable air conditioning unit.It should be noted that the embodiment of the present invention is many Air-conditioner group can include the data transmission device of the multi-variable air conditioning unit of the present invention.
Figure 10 is the schematic diagram of multi-variable air conditioning unit according to embodiments of the present invention.As shown in Figure 10, multi-variable air conditioning unit Including multiple air conditioning unit, air conditioning unit is the unit for carrying out air regulation, and multi-variable air conditioning unit includes room conditioning Unit and outdoor air conditioner unit, room conditioning unit is multiple, and outdoor air conditioner unit can be one or more.
Multiple air conditioning unit all by power supply line be connected to energizing power gauze network and use power line carrier lead to News technology carries out communication.Energizing power gauze network is the network for providing electric power, permissible by electric line carrier communication technology Convert data to the data can transmitted in electric lines of force, utilize energizing power gauze network to carry out data as transmission medium and lead to News.
Obviously, those skilled in the art should be understood that each module of the above-mentioned present invention or each step can be with general Calculating device realize, they can concentrate on single calculating device, or be distributed in multiple calculating device and formed Network on, alternatively, they can with calculate the executable program code of device realize, it is thus possible to by they store Performed by calculating device in the storage device, or they are fabricated to respectively each integrated circuit modules, or by them In multiple modules or step be fabricated to single integrated circuit module and realize.So, the present invention be not restricted to any specifically Hardware and software combines.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies Change, equivalent, improvement etc., should be included within the scope of the present invention.

Claims (10)

1. the data transmission method of a multi-variable air conditioning unit, it is characterised in that described multi-variable air conditioning unit includes multiple air-conditioning Unit, the plurality of air conditioning unit by communication network execution communication, described method includes:
At the plurality of air conditioning unit middle data receiver object determining data to be transmitted, wherein, described data to be transmitted be to The data of described data receiver object transfer;
Described data to be transmitted is sent to described data receiver object via described communication network;
Judge described data receiver object be whether the plurality of air conditioning unit in air conditioning unit in addition to data receiver Part air conditioning unit;And
If described data receiver object be the plurality of air conditioning unit in air conditioning unit in addition to described data receiver Part air conditioning unit, monitor whether described data receiver object receives described data to be transmitted.
Method the most according to claim 1, it is characterised in that monitor described data receiver object whether receive described in treat Transmission data include:
Judge whether to receive the data answering frame of data receiver object to be monitored feedback;
If it is judged that receive the data answering frame of described data receiver object to be monitored feedback, it is determined that described number to be monitored Described data to be transmitted is received according to receiving object;And
If it is judged that do not receive the data answering frame of described data receiver object to be monitored feedback, it is determined that described to be monitored Data receiver object does not receives described data to be transmitted, and via described communication network again to not feeding back described data answering The data receiver object to be monitored of frame sends described data to be transmitted.
Method the most according to claim 2, it is characterised in that judge whether to receive described data receiver object feedback Data answering frame includes: judge whether not receive the data answering of described data receiver object feedback in default response time Frame, if it is judged that do not receive the data answering frame of described data receiver object feedback, institute in described default response time Method of stating also includes:
Judge whether the number of times of the described data receiver described data to be transmitted of transmission exceedes preset times,
Wherein, if it is judged that send the number of times of described data to be transmitted not less than described preset times, via described communication network Network sends described data to be transmitted to the data receiver object not feeding back described data answering frame again;If it is judged that send institute The number of times stating data to be transmitted exceedes described preset times, no longer sends out to the data receiver object not feeding back described data answering frame Send described data to be transmitted.
Method the most according to claim 2, it is characterised in that monitoring whether described data receiver object receives described Before data to be transmitted, described method also includes:
Sending described data answering protocol frame via described communication network to described data receiver object, wherein, described data should Answering the form of the data answering frame that protocol frame feeds back for specifying described data receiver object, described data receiver object is used for connecing Receive described data answering protocol frame and generate the data answering frame of corresponding format according to described data answering protocol frame.
Method the most according to claim 1, it is characterised in that
Described data receiver object is comprised determining that at the plurality of air conditioning unit middle data receiver object determining data to be transmitted Number and address,
Send described data to be transmitted via described communication network to described data receiver object to include:
Number and address, described data to be transmitted according to described data receiver object generate data transmission frames, wherein, described number According to receive object for resolve after receiving described data transmission frames obtain the number of described data receiver object and address, Described data to be transmitted;And
Described data transmission frames is sent to described data receiver object via described communication network.
Method the most according to claim 1, it is characterised in that send out to described data receiver object via described communication network Described data to be transmitted is sent to include:
Determine the control code of described data to be transmitted, wherein, described control code for determine described data to be transmitted attribute and Direction;
Control code and described data to be transmitted according to described data to be transmitted generate data transmission frames;
Described data transmission frames is sent to described data receiver object via described communication network.
Method the most according to claim 1, it is characterised in that described communication network is energizing power gauze network, described many Individual air conditioning unit by the power supply line described energizing power gauze network of access, and use electric line carrier communication technology to lead to News.
8. the data transmission device of a multi-variable air conditioning unit, it is characterised in that described multi-variable air conditioning unit includes multiple air-conditioning Unit, the plurality of air conditioning unit by communication network execution communication, described device includes:
Determine unit, at the plurality of air conditioning unit middle data receiver object determining data to be transmitted, wherein, described in treat Transmission data are the data to described data receiver object transfer;
Transmitting element, for sending described data to be transmitted via described communication network to described data receiver object;
Judging unit, be used for judging described data receiver object be whether the plurality of air conditioning unit in addition to data receiver Air conditioning unit in part air conditioning unit;And
Monitoring unit, if for described data receiver object be the plurality of air conditioning unit in addition to described data receiver Air conditioning unit in part air conditioning unit, monitor whether described data receiver object receives described data to be transmitted.
Device the most according to claim 8, it is characterised in that described monitoring unit includes:
Judge module, for judging whether to receive the data answering frame of data receiver object to be monitored feedback;
Determine module, for if it is judged that receive the data answering frame of described data receiver object to be monitored feedback, the most really Fixed described data receiver object to be monitored receives described data to be transmitted;And
Perform module, for if it is judged that do not receive the data answering frame of described data receiver object to be monitored feedback, then Determine that described data receiver object to be monitored does not receives described data to be transmitted, and via described communication network again to the most anti- The data receiver object to be monitored presenting described data answering frame sends described data to be transmitted.
10. a multi-variable air conditioning unit, it is characterised in that include that the data of the multi-variable air conditioning unit described in claim 8 or 9 pass Defeated device.
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