CN208635288U - Air-conditioning system - Google Patents

Abstract

The utility model discloses a kind of air-conditioning systems.Wherein, which includes: multiple air-conditioner sets；The outer machine of at least one of multiple air-conditioner sets and at least one interior machine access power network, and are communicated using first communication party formula；At least one interior machine at least supports two kinds of second communication method, at least one interior machine selects a kind of communication mode to be communicated with corresponding line control machine from least two second communication method；Wherein, first communication party formula includes: power line communication PLC mode, and second communication method includes: the communication mode in addition to PLC mode.The utility model solves machine in the related technology, outer machine, is mutually paired between line control machine and causes pairing process complicated and inconvenient technical problem.

Description

Air-conditioning system

Technical field

The utility model relates to field of air conditioning, in particular to a kind of air-conditioning system.

Background technique

Multi-variable air conditioning unit is now using very extensive air-conditioning system, and the communication network used is each more by connecting The communication line of air-conditioner group forms, and this communication network is attached by wired communication mode, such as CAN communication, 485 Communication, HBS communication etc..Since the communication network of use is made of the communication line for connecting each multi-variable air conditioning unit, installation process The middle routing problem for needing to consider between unit equipment, there is project installation is at high cost and difficulty is big, communication line poor contact therefore Barrier is difficult to the defects of checking.Combined air conditioners based on power line communication (Power Line Communication, referred to as PLC) Group communication network, using electric power networks of powering as data telecommunication line, since energizing power network is generally existing, pass through Multi-joint unit power supply line accesses energizing power line communication network, can not only save the project amount of communication line installation, also can The phenomenon that reducing communication line poor contact.

For above-mentioned problem, currently no effective solution has been proposed.

Utility model content

The embodiment of the present application provides a kind of air-conditioning system, at least solve in the related technology in machine, outer machine, line control machine it Between be mutually paired and cause pairing process complicated and inconvenient technical problem.

According to the one aspect of the embodiment of the present application, a kind of air-conditioning system is provided, comprising: multiple air-conditioner sets；It is multiple The outer machine of at least one of air-conditioner set and at least one interior machine access power network, and are communicated using first communication party formula； At least one interior machine at least supports two kinds of second communication method, at least one interior machine and corresponding line control machine are from least two second A kind of communication mode is selected to be communicated in communication mode；Wherein, first communication party formula includes: PLC mode, second communication method It include: plc communication mode and the communication mode in addition to PLC mode.

Optionally, the communication mode in addition to PLC mode includes at least one of: interior machine and line control machine pass through CAN (Controller Area Network, referred to as CAN) bus communication；Interior machine and line control machine pass through RS485 bus communication；It is interior Machine and line control machine are communicated by home bus system (Home Bus System, referred to as HBS).

Optionally, air-conditioning system further include: multiple PLC modules corresponding with multiple air-conditioner sets；Appoint in multiple PLC modules In one end access power network of PLC module of anticipating, the other end accesses the controller of multiple air-conditioner sets, and being used for will be from power network Received data are sent at least one air-conditioner set；Alternatively, by the to be transmitted of the controller from least one air-conditioner set Data are transmitted to other PLC modules in air-conditioning system by power network.

Optionally, carrier sense multiple access/collision detection (Carrier Sense is used between multiple PLC modules Multiple Access with Collision Detection, referred to as CSMA/CD) communication protocol communicated.

Optionally, it is connected between multiple PLC modules and the controller of multiple air-conditioner sets by serial communication interface.

Optionally, any one PLC module in multiple PLC modules is also used to detecting from any one PLC mould When trigger event inside block, data to be transmitted is sent to other PLC modules by power network.

Optionally, any one PLC module in multiple PLC modules, is also used to detect the communication quality of power network；And according to The function of the transmission rate and/or any one PLC module between any one PLC module and controller is adjusted according to communication quality Rate.

Optionally, outer machine, is also used to obtain the local outer machine mark (ID) of outer machine, and by local outer machine mark be sent to A few interior machine；At least one interior machine is also used to obtain the outer machine ID of target of the outer machine of target, and the machine ID and local outer outside target When machine ID is consistent, outside machine sends confirmation instruction；Outer machine is also used to after receiving confirmation instruction, by machine at least one Interior machine ID is bound with outer machine.

Optionally, multiple air-conditioner sets further include: Centralized Controller, gateway.

In the embodiment of the present application, using broadband power line carrier communication in such a way that wire communication combines, by more A air-conditioner set；The outer machine of at least one of multiple air-conditioner sets and at least one interior machine access power network, and logical using first Letter mode is communicated；At least one interior machine at least supports two kinds of second communication method, at least one interior machine and corresponding line traffic control Device selects a kind of communication mode to be communicated from least two second communication method；Wherein, first communication party formula includes: electric power Line communicates PLC mode, and second communication method includes: plc communication mode and the communication mode in addition to PLC mode, has reached letter Change the purpose of inside and outside machine pairing process, to realize the technology effect of the carry out data communication of multi-variable air conditioning unit efficient stable Fruit, so solve machine in the related technology, outer machine, be mutually paired between line control machine cause pairing process complicated and operation not Just the technical issues of.

Detailed description of the invention

Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application, The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model It limits.In the accompanying drawings:

Fig. 1 is the structure chart according to a kind of air-conditioning system of the embodiment of the present application；

Fig. 2 is the structure chart according to a kind of communication network of the embodiment of the present application；

Fig. 3 is the structure chart according to a kind of optionally air-conditioning system of the embodiment of the present application；And

Fig. 4 is the flow chart of the communication means in a kind of air-conditioning system according to the embodiment of the present application between unit.

Specific embodiment

In order to make those skilled in the art better understand the scheme of the utility model, below in conjunction with the embodiment of the present application In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only It is only the embodiment of the utility model a part, instead of all the embodiments.Based on the embodiments of the present invention, ability Domain those of ordinary skill every other embodiment obtained without making creative work, all should belong to this reality With novel protected range.

It should be noted that the specification and claims of the utility model and term " first " in above-mentioned attached drawing, " second " etc. is to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that in this way The data used are interchangeable under appropriate circumstances, so that the embodiments of the present invention described herein can be in addition at this In illustrate or description those of other than sequence implement.In addition, term " includes " and " having " and their any deformation, meaning Figure be to cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units Those of be not necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these processes, The intrinsic other step or units of method, product or equipment.

The embodiment of the present application in order to better understand, below such as by the summary of technical term involved in the embodiment of the present application Under:

Broadband power line carrier communication: broadband power line carrier communication finger beam band is limited between 2-30MHz, traffic rate In the power line carrier communication of 1Mbps or more.Power-line broadband communication technology is not necessarily to rewiring, as long as utilizing existing distribution Net adds some PLC local sides, relaying, terminal device and auxiliary equipment, original power line network can be become electric power Line communication network, original power outlet become telecommunications outlet.

Outer machine: the outdoor unit i.e. in air-conditioning system, be otherwise known as host, including compressor, condenser, throttling set group At.

Interior machine: the indoor unit i.e. in air-conditioning system is placed on indoor equipment, including evaporator, fan, control in air-conditioning system Mainboard processed, shell composition.

CSMA/CD: i.e. csma/cd technology, also referred to as carrier sense multiple access/collision Detection, is a kind of media access control protocol of contention type.

In the related technology, the multi-connected air conditioner group communication network based on broadband power line carrier communication, with mains The phenomenon that network is data telecommunication line, can save the project amount of communication line installation, reduce communication line poor contact, but use Plc communication needs to match inside and outside machine, line control machine one by one, and air-conditioner set could operate normally, to cause air-conditioner set Pairing process is complicated, problem inconvenient for operation.To solve the above problems, the embodiment of the present application provides corresponding solution, It is described further below.

According to the embodiment of the present application, a kind of embodiment of air-conditioning system is provided, Fig. 1 is the sky according to the embodiment of the present application Adjusting system, as shown in Figure 1, the air-conditioning system includes:

Multiple air-conditioner sets；

The outer machine of at least one of multiple air-conditioner sets (11,12 ... 1N) and at least one interior machine (201,202 ... Power network 20N) is accessed, and is communicated using first communication party formula 1；At least one interior machine at least supports two kinds of second communication party Formula 2, at least one interior machine select from least two second communication method a kind of logical with corresponding line control machine (31,32 ... 3N) Letter mode is communicated.

Wherein, first communication party formula 1 includes: PLC mode；Second communication method 2 includes: plc communication mode and except the side PLC Communication mode except formula.Communication mode in addition to PLC mode includes at least one of: interior machine and line control machine pass through CAN Bus communication；Interior machine and line control machine pass through RS485 bus communication；Interior machine is led to line control machine by home bus system HBS Letter, interior machine and line control machine take the wired communication modes such as CAN/RS485/HBS, and the pairing between interior machine, outer machine provides just Benefit.Wherein, the meaning of wired communication mode are as follows: the communication mode communicated using non-PLC mode, for example, by traditional The communications cable is attached the mode of communication.

Plc communication both can be used in interior machine and line control machine, can also take the side of the wire communications such as CAN or RS485 or HBS Formula can be compatible with the line control machine of communication, according to the strengths and weaknesses that different occasions and combination PLC are communicated with other, using not Same line control machine.Due to wired communication modes such as existing more CAN/RS485/HBS in the market, the utility model embodiment energy Compatible product already present in the market well.

For first communication party formula, i.e. PLC mode, can be realized by the way that PLC module is arranged within air-conditioning systems, for example, As shown in Fig. 2, in air-conditioning system further include: multiple PLC modules 20 corresponding with multiple air-conditioner sets；In multiple PLC modules 20 In one end access power network of any one PLC module, the other end accesses the controller 22 or line control machine of multiple air-conditioner sets Controller 24, at least one air-conditioner set will to be sent to from the received data of power network；Alternatively, will be empty from least one The data to be transmitted of the controller of unit is adjusted to be transmitted to other PLC modules in air-conditioning system by power network.Optionally, in sky When tune unit is outer machine, above controller is the controller 220 of outer machine；When above-mentioned air-conditioner set is interior machine, above controller is The controller 222 of interior machine.

Optionally, it is communicated between multiple PLC modules using CSMA/CD communication protocol；Multiple PLC modules and multiple skies It adjusts and is connected between the controller of unit by serial communication interface, as shown in Fig. 2, the master controller of air-conditioner set is (outside such as The controller of the controller of machine or interior machine) and PLC module between, data are interactively communicated by serial communication mode；PCL module and its Between his PLC module, communication network is formed by energizing power line, CSMA/CD communication mechanism is used between PLC module, and PLC module can independently send or receive data using data management arbitration mechanism, can make the entire combined air conditioners network architecture Realize multi-main construction, arbitrary node, which can be realized, in network topology independently sends and receives data, solves master-slave network framework side The slow problem of formula efficiency.

As an alternative embodiment, PLC module can be independently arranged in a circuit board, can also be with corresponding unit Controller be set in same circuit board, can be total with the controller of interior machine for example, for PLC module corresponding with interior machine It is same to be set in the mainboard of interior machine.

Wherein, due to that can be communicated by power network between PLC module, air-conditioning system can be formed by PLC In plc communication network.To realize the plc communication in air-conditioning system between unit, PLC module can be sent by data to be transmitted To before power line, data to be transmitted is modulated, so that data to be transmitted is suitable for transmitting on power line, such as will be carried The high-frequency signal of available for transmission data loads in electric current, and passes through power line transmission；In receiving side, by high-frequency signal from electric current In parse, obtain above-mentioned data to be transmitted.

As above, PLC module may be implemented from master data transfer, at this point, any one PLC in multiple PLC modules Module is also used to that data to be transmitted is passed through power network when detecting the trigger event inside any one PLC module It is sent to other PLC modules.Trigger event inside PLC module refers to the event of data management arbitration mechanism triggering, for example, inspection It measures current plc communication network idle, the clocked flip event inside PLC module, receive multiple data to be transmitted in PLC When, data etc. are independently sent according to pre-set priority.

In the related technology, in power-line broadband communication technology (PLC), plc communication itself is the net for belonging to master-slave mode Network framework, that is to say, that plc communication is it needs to be determined that host node is responsible for the telecommunication management and maintenance of all websites in electric power networks. In order to get rid of the communication mode of its principal and subordinate, as above, autonomous transmission number may be implemented in the PLC module in the embodiment of the present application According to therefore, can have the communication network of a multi-main construction in the air-conditioning system with above-mentioned PLC module, appoint to realize Meaning node any time can independently send, receive data.

Two kinds of communication modules are integrated in air-conditioning internal machine controller: PLC and other communication modules, interior machine can both have been adopted with line control machine With plc communication, the mode of the wire communications such as CAN/RS485/HBS can also be taken, according to different occasions and combines PLC logical with other The strengths and weaknesses of letter, the different line control machine of selection collocation.

Line control machine with plc communication is then connected in power line, can be realized all interiors controlled under the power line network Machine operation (line control machine needs to be matched with the interior machine controlled)；The line control machine of other communication modes is then connected to other of interior machine In communication module, (line control machine is connect with interior machine by independent communication line, is not required to match for the one-to-one control that can be realized to interior machine To can control).

Plc communication technology makes air-conditioner set be not required to independently installed communication line, and need to only connect with the mains can be realized data interaction, Project installation is simple, saves resource.But all devices are required to match and could work normally in PLC network, match process It is more complicated, and other wired communication modes, then it does not need to be matched, but need independently installed communication line.Two kinds of communications Mode cuts both ways, can be according to different occasions, different demands, corresponding line control machine of flexibly arranging in pairs or groups.

Optionally, any one PLC module in multiple PLC modules, is also used to detect the communication quality of power network；And according to The function of the transmission rate and/or any one PLC module between any one PLC module and controller is adjusted according to communication quality Rate.

Specifically, the communication quality of power network can by signal strength expression communication quality, then be detected and according to communication Quality is adjusted: basis signal intensity and preset comparison result determine whether to the transmission between PLC module and controller The power of rate and/or any one PLC module is adjusted, for example, when signal strength is more than or equal to the first preset threshold, it will Transmission rate and power increase or increase one of parameter in transmission rate and power, and similarly, signal strength is less than When the first preset threshold, transmission rate and power are reduced or reduce a parameter in transmission rate and power.According to Electric power networks quality adaptation traffic rate, communication module power etc., improve the efficiency of data communication between outer machine and interior machine, It ensure that the reliability of data transmission.

The embodiment of the present application uses broadband power line carrier communication, the multi-variable air conditioning unit based on broadband power line communication Communication control net, the communication speed with broadband power line communication is fast, amount of communication data is big, high reliability, but There are energizing power network structures it is complex, Communication Jamming and data volume time variation are larger the features such as.To realize combined air conditioners Effective control of unit should detect the communication quality of power network first, and then set multi-variable air conditioning unit master control control module Serial communication baud rate sets PLC module power, to adapt to the communication baud rate of broadband power line carrier communication control module, To improve network communication efficiency.

PLC electric power carrier communication technology physically solves the communication issue of air-conditioner set, and each inside and outside machine node needs There is unique network address for the identification id between equipment, and in an air-conditioning system, in addition centered on machine, every interior machine is equal It needs to be matched with outer machine, just can guarantee that every air-conditioner set in control network operates normally in this way.Therefore, air-conditioning network In, need to carry out Address Recognition to match the inside and outside machine of air-conditioning.And each interior machine and respective line control machine in system Between have and there is independent communication line to be attached, the pairing for inside and outside machine in this way offers convenience, while making interior machine and line control machine It arranges in pairs or groups more flexible.Such as:

Outer machine is also used to obtain the local outer machine mark ID of outer machine, and local outer machine mark is sent at least one Machine；At least one interior machine is also used to obtain the outer machine ID of target of the outer machine of target, and machine ID is consistent with local outer machine ID outside target When, outside machine sends confirmation instruction；Outer machine, be also used to receive confirmation instruction after, by the interior machine ID of machine at least one with Outer machine is bound.Wherein, outer machine includes controller, the local mark ID of outer machine is obtained by controller, and will local outer machine Mark is sent at least one interior machine；Interior machine includes interior machine controller；The interior machine ID of machine at least one is tied up with outer machine It is fixed, i.e., machine at least one and outer machine are matched.

In the embodiment of the present application, a kind of optional application scenarios are provided: after air-conditioner set powers on, into matching for the first time Mode:

Firstly, the controller of outer machine reads and show the identification id of itself, while being sent in power line by PLC module All interior machine nodes；

Then, in each interior machine node side, machine ID, line outside the target of machine outside the target that needs to match by line control machine input It controls device and sends the outer machine ID of target to interior machine controller.

Finally, when the ID that interior machine controller receives outer machine controller transmission is consistent with the outer machine ID of the target that line control machine inputs When, then interior machine controller sends pairing check signal to corresponding outer machine controller.After outer machine controller receives confirmation order, The ID of the interior machine is included in pairing list, indicates that outer machine and the pairing of interior machine are completed, concurrently provides and delivers to complement mark to corresponding interior machine Controller, the line control machine where interior machine show successfully character.

After the pairing for completing remaining interior machine in this way, air-conditioning network organizing pairing complete, air-conditioner set can communicate and Operation.

Optionally, as shown in figure 3, multiple air-conditioner sets further include: Centralized Controller 3, gateway 4, multiple air conditioners Group can also include commissioning device 5, and interior machine can select one kind from least two second communication method with corresponding line control machine Communication mode is communicated, and optionally, communication modes can be as in Fig. 3, and plc communication 41 and CAN/RS485/HBS etc. are logical Letter 42.

The multi-gang air-conditioner network system topology structure combined by broadband power line carrier communication with wire communication, with Each air-conditioner set is communication site, is multi-joint using power supply line and wire communication line as the communication network topology structure of communication media The providing a great convenience property of installation of air-conditioner set.Interior machine and outer machine are in PLC network, but interior machine and line control machine are by having The connection of line communication mode, without pairing, is brought just for the debugging of engineering and pairing so that is, by physical connection mode Benefit.

According to the embodiment of the present application, a kind of embodiment of air-conditioning system is provided, it should be noted that in the process of attached drawing The step of illustrating can execute in a computer system such as a set of computer executable instructions, although also, in process Logical order is shown in figure, but in some cases, it can be to be different from shown or described by sequence execution herein Step.

Fig. 4 is the communication means in the air-conditioning system according to the embodiment of the present application between unit, as shown in figure 4, this method packet Include following steps:

Step S402, interior machine in air-conditioning system is from supporting to select a kind of communication mode at least two communication modes；Extremely Few two kinds of communication modes include: PLC mode and the communication mode in addition to PLC mode；

Step S404, interior machine are communicated according to the communication mode of selection with corresponding line control machine；

Optionally, the communication mode in addition to PLC mode includes at least one of: interior machine is total by CAN with line control machine Line communication；Interior machine and line control machine pass through RS485 bus communication；Interior machine is communicated with line control machine by HBS.

Optionally, the outer machine of at least one of air-conditioning system and at least one interior machine access power network, and use PLC mode It is communicated.

It should be noted that the preferred embodiment of embodiment illustrated in fig. 4, may refer to retouch about the correlation of Fig. 1 to Fig. 3 It states, details are not described herein again.

The embodiment of the present application also provides a kind of storage medium, storage medium includes the program of storage, wherein is transported in program Equipment where controlling storage medium when row executes the communication means in above-mentioned air-conditioning system between unit.

Above-mentioned storage medium, for storing the program for executing following functions: the PLC mould in the first unit in air-conditioning system Block receives the data from the second unit by power network using first communication party formula；PLC module will using second communication method Data are sent to the controller of the first unit；Wherein, first communication party formula includes: power line communication PLC mode；Second communication party Formula includes: the communication mode in addition to PLC mode.

The embodiment of the present application also provides a kind of processor, processor is for running program, wherein program executes when running Communication means in above-mentioned air-conditioning system between unit.

Processor, for executing the program for realizing following functions: the PLC module in the first unit in air-conditioning system uses First communication party formula receives the data from the second unit by power network；PLC module is sent out data using second communication method It send to the controller of the first unit；Wherein, first communication party formula includes: power line communication PLC mode；Second communication method packet It includes: the communication mode in addition to PLC mode.

Above-mentioned the embodiment of the present application serial number is for illustration only, does not represent the advantages or disadvantages of the embodiments.

In the above embodiments of the present invention, all emphasize particularly on different fields to the description of each embodiment, in some embodiment The part not being described in detail, reference can be made to the related descriptions of other embodiments.

In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, Ke Yiwei A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of unit or module It connects, can be electrical or other forms.

The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple On unit.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.

In addition, each functional unit in each embodiment of the utility model can integrate in one processing unit, It can be each unit to physically exist alone, can also be integrated in one unit with two or more units.It is above-mentioned integrated Unit both can take the form of hardware realization, can also realize in the form of software functional units.

If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product When, it can store in a computer readable storage medium.Based on this understanding, the technical solution of the utility model sheet The all or part of the part that contributes to existing technology or the technical solution can be with software product in other words in matter Form embodies, which is stored in a storage medium, including some instructions are used so that a meter It calculates machine equipment (can be personal computer, server or network equipment etc.) and executes each embodiment the method for the utility model All or part of the steps.And storage medium above-mentioned include: USB flash disk, read-only memory (ROM, Read-Only Memory), with Machine access memory (RAM, Random Access Memory), mobile hard disk, magnetic or disk etc. are various to can store journey The medium of sequence code.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and Retouching also should be regarded as the protection scope of the utility model.

Claims (9)

1. a kind of air-conditioning system characterized by comprising multiple air-conditioner sets；

The outer machine of at least one of the multiple air-conditioner set and at least one interior machine access power network, and use first communication party Formula is communicated；At least one described interior machine at least supports two kinds of second communication method, at least one described interior machine with it is corresponding Line control machine selects a kind of communication mode to be communicated from least two second communication method；

Wherein, the first communication party formula includes: power line communication PLC mode, and the second communication method includes: plc communication Mode and the communication mode in addition to the PLC mode, it is total with the controller of the interior corresponding PLC module of machine and the interior machine It is same to be set in the mainboard of the interior machine.

2. air-conditioning system according to claim 1, which is characterized in that the communication mode in addition to the PLC mode Including at least one of: interior machine is communicated with line control machine by CAN bus；Interior machine and line control machine pass through RS485 bus communication；It is interior Machine is communicated with line control machine by home bus system HBS.

3. air-conditioning system according to claim 1, which is characterized in that the air-conditioning system further include:

Multiple PLC modules corresponding with the multiple air-conditioner set；The one of any one PLC module in the multiple PLC module It terminates in power network, the other end accesses the controller of the multiple air-conditioner set, and being used for will be from the received number of the power network According to being sent at least one described air-conditioner set；Alternatively, by the to be transmitted of the controller from least one air-conditioner set Data are transmitted to other PLC modules in air-conditioning system by the power network.

4. air-conditioning system according to claim 3, which is characterized in that use carrier sense between the multiple PLC module Multiple spot access CSMA/ collision detection CD communication protocol is communicated.

5. air-conditioning system according to claim 3, which is characterized in that the multiple PLC module and the multiple air conditioner It is connected between the line control machine of group by serial communication interface.

6. air-conditioning system according to claim 3, which is characterized in that any one PLC mould in the multiple PLC module Block is also used to pass through the data to be transmitted when detecting the trigger event inside any one described PLC module The power network is sent to other PLC modules.

7. air-conditioning system according to claim 3, which is characterized in that any one PLC mould in the multiple PLC module Block is also used to detect the communication quality of the power network；And according to the communication quality adjust any one described PLC module and The power of transmission rate and/or any one PLC module between the controller.

8. air-conditioning system according to claim 1, which is characterized in that

The outer machine, is also used to obtain the local outer machine mark ID of the outer machine, and machine mark outside the local is sent to institute State at least one interior machine；

At least one described interior machine is also used to obtain the outer machine ID of target of the outer machine of target, and the machine ID and described outside the target When locally outer machine ID is consistent, confirmation instruction is sent to the outer machine；

The outer machine is also used to after receiving confirmation instruction, by the interior machine ID of the machine at least one and described outer Machine is bound.

9. air-conditioning system according to claim 1, which is characterized in that the multiple air-conditioner set further include: centralized control Device, gateway.