CN107664337A - Air-conditioning system, the control method of air-conditioner set equipment and device - Google Patents
Air-conditioning system, the control method of air-conditioner set equipment and device Download PDFInfo
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- CN107664337A CN107664337A CN201710719045.8A CN201710719045A CN107664337A CN 107664337 A CN107664337 A CN 107664337A CN 201710719045 A CN201710719045 A CN 201710719045A CN 107664337 A CN107664337 A CN 107664337A
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- air
- conditioner set
- set equipment
- controller
- identification code
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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
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of air-conditioning system, the control method of air-conditioner set equipment and device.The control method of the air-conditioner set equipment includes：Asked in response to condition adjudgement, generate identification code, wherein, condition adjudgement asks to be used to judge whether air-conditioner set equipment will enter lock-out state, when air-conditioner set equipment enters lock-out state, is not responding to control signal；Identification code is sent to the controller of air-conditioning system, wherein, controller is used to issue control signal to air-conditioner set equipment, and response key is sent when receiving identification code；When receiving response key, matching response key and local key；If not receiving response key in the given time or when the response key that receives and inconsistent local key, into lock-out state.The present invention solves Three-Part protocol equipment and monitors bus data, and analog controller issues control signal, the problem of influenceing air-conditioner set equipment normal operation.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly, to a kind of air-conditioning system, the controlling party of air-conditioner set equipment
Method and device.
Background technology
The communication data of current commercial Large Central Air Conditioning System can be obtained by monitoring bus data.Include touch among this
Whole unit allocation parameters that screen controller issues.Using computer or other equipment that can be communicated, the data that will be listened to
The data distributing of simulated touch screen controller is to air-conditioner set equipment, you can the operation of simulated touch screen controller, accordingly even when
There is no the touch screen controller that genuine is equipped with, central air-conditioning can also work.
But this mode is present than more serious risk.Firstth, in the control process of air-conditioner set equipment, due to not having
Controller is normally participated in controlling, and the running status of air-conditioner set equipment effectively can not be fed back by controller in real time, with
It can not in advance be found as some serious unit equipment failures, have impact on the life-span of unit equipment；Secondth, the communication of non-original factory
Its communication interface specification of equipment may be inconsistent, it is possible to the unit equipment on interference communications network, causes unit equipment to damage.
If the 3rd, unit equipment can be the ability to easily control using third-party communication apparatus to run, the safe operation of air-conditioning system is influenceed.
For, because Three-Part protocol equipment monitors bus data, analog controller issues in air-conditioning system in correlation technique
Control signal, and the problem of influence air-conditioner set equipment normal operation, not yet propose to efficiently solve scheme at present.
The content of the invention
It is existing at least to solve the invention provides a kind of air-conditioning system, the control method of air-conditioner set equipment and device
Three-Part protocol equipment monitors bus data in technology, and analog controller issues control signal, it is normal to influence air-conditioner set equipment
The problem of operation.
In order to solve the above technical problems, one side according to embodiments of the present invention, the invention provides a kind of air conditioner
The control method of group equipment.
The control method of the air-conditioner set equipment includes：Asked in response to condition adjudgement, generate identification code, wherein, state
Judge that request is used to judge whether air-conditioner set equipment will enter lock-out state, when air-conditioner set equipment enters lock-out state, no
Responsive control signal；Identification code is sent to the controller of air-conditioning system, wherein, controller is used to issue control to air-conditioner set equipment
Signal processed, and response key is sent when receiving identification code；When receiving response key, matching response key and local are close
Key；If not receiving response key in the given time or when the response key that receives and inconsistent local key, enter
Lock-out state.
Further, asked in response to condition adjudgement, before generating identification code, this method also includes：Receive controller
Synchronous condition adjudgement request, wherein, controller is used to receive the condition adjudgement request of the first air-conditioner set equipment transmission
Afterwards, condition adjudgement request is synchronized to communication bus, so that the second air-conditioner set equipment being connected with communication bus can connect
Receive the synchronous condition adjudgement request of controller.
Further, asked in response to condition adjudgement, before generating identification code, this method also includes：According to pre- timing
Between interval generation condition adjudgement request.
Further, after lock-out state is entered, this method also includes：When the response key received and local key one
During cause, normal condition is converted to by lock-out state, wherein, being capable of response control letter when air-conditioner set equipment enters normal condition
Number.
Further, after lock-out state is entered, this method also includes：Lock state information is broadcasted to communication bus, its
In, the first air-conditioner set equipment is used to broadcast lock state information to communication bus, so that be connected with communication bus the
Two air-conditioner set equipment enter lock-out state after lock state information is received.
Further, identification code includes random number.
Further, response key is the information that controller uses predetermined cryptographic algorithm Encrypted-identification-code to obtain, local close
Key is the information that air-conditioner set equipment uses predetermined cryptographic algorithm Encrypted-identification-code to obtain.
In order to solve the above technical problems, one side according to embodiments of the present invention, the invention provides a kind of air conditioner
The control device of group equipment.
The control device of the air-conditioner set equipment includes：Respond module, for being asked in response to condition adjudgement, generation identification
Code, wherein, condition adjudgement asks to be used to judge whether air-conditioner set equipment will enter lock-out state, and air-conditioner set equipment enters lock
When determining state, control signal is not responding to；Sending module, for sending identification code to the controller of air-conditioning system, wherein, controller
For issuing control signal to air-conditioner set equipment, and response key is sent when receiving identification code；Matching module, for
When receiving response key, matching response key and local key；State Transferring module, for not receiving in the given time
When response key or the response key and inconsistent local key received, into lock-out state.
Further, the control device also includes：Receiving module, for being asked in respond module in response to condition adjudgement,
Before generating identification code, the synchronous condition adjudgement request of controller is received, wherein, controller is used to receive the first air conditioner
After the condition adjudgement request that group equipment is sent, condition adjudgement request is synchronized to communication bus, so as to be connected with communication bus
The receiving module of the second air-conditioner set equipment can receive the synchronous condition adjudgement request of controller.
In order to solve the above technical problems, one side according to embodiments of the present invention, the invention provides a kind of air-conditioning system
System.
The air-conditioning system includes：Controller, for issuing control signal to air-conditioner set equipment, and receiving air conditioner
Response key is sent during the identification code that group equipment is sent；And air-conditioner set equipment, it is connected with controller, wherein, air conditioner
Group equipment includes the control device of any one air-conditioner set equipment provided by the invention.
In the present invention, air-conditioner set equipment responsive state judges that request sends identification code to controller, if predetermined
Response key is not received in time, or, the response key and local key that air-conditioner set equipment receives are inconsistent, show
The identification code that air-conditioner set equipment is sent is not under control the Normal Feedback of device, and now air-conditioner set equipment is directly entered locking
State, even if Three-Part protocol equipment is intended to be controlled air-conditioner set equipment by the control signal listened to, due to sky
Unit equipment is adjusted not obtain the response of response key after identification code is sent, air-conditioner set equipment enters lock-out state, and makes
The control of Three-Part protocol equipment can not succeed, and protect unit equipment not controlled by Three-Part protocol equipment, improve complete machine fortune
Row life-span and stability.
Brief description of the drawings
Fig. 1 is the step flow chart of the control method of air-conditioner set equipment described in the embodiment of the present invention 1；
Fig. 2 is the step flow chart of the control method of air-conditioner set equipment described in the embodiment of the present invention 2；
Fig. 3 is the schematic diagram of the air-conditioning system described in the embodiment of the present invention 2 where air-conditioner set equipment；
Fig. 4 is the step flow chart of the control method of air-conditioner set equipment described in the embodiment of the present invention 3；
Fig. 5 is the block diagram of the control device of air-conditioner set equipment described in the embodiment of the present invention 4；
Fig. 6 is the block diagram of air-conditioning system described in the embodiment of the present invention 5.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent and the consistent all embodiments of the present invention.On the contrary, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects being described in detail in claims, of the invention.
Air-conditioning system of the present invention includes controller and multiple air-conditioner set equipment, wherein, controller can be tactile
Screen controller, or button controller etc. are touched, the present invention is not defined to this.Air-conditioner set equipment includes main frame, wind cabinet
Namely fan coil etc..Controller is in same communication network with each air-conditioner set equipment, and controller can be to each air-conditioning
Unit equipment sends control signal, for example, controlling the switch of air-conditioner set equipment and under unit equipment by control signal
Send out control parameter of State Transferring etc..
In the present invention, set by the communication mechanism between air-conditioner set equipment and controller, air-conditioner set equipment is rung
Condition adjudgement is answered to ask to send identification code to controller, if response key is not received in the given time, or, air conditioner
The response key and local key that group equipment receives are inconsistent, show that the identification code that air-conditioner set equipment is sent is not controlled
The Normal Feedback of device processed, now air-conditioner set equipment is directly entered lock-out state, even if the data of communication network are monitored, uses
Three-Part protocol equipment simulating controller issues control signal to air-conditioner set equipment, and air-conditioner set equipment also can recognize that this
Kind state, and oneself is locked.When avoiding controlling air-conditioner set equipment using Three-Part protocol equipment, it is impossible to timely feedback air
The running status of unit equipment is adjusted, avoids causing on communication network because the interface opering characteristic of electric apparatus of Three-Part protocol equipment is inconsistent
Air-conditioner set device damage, while avoid using the unpredictable wind that brings of non-original factory accessory control unit equipment operation
Danger, in a word, ensure air-conditioner set equipment overall service life and stability.
Control method, control device and the air-conditioning system of air-conditioner set equipment provided by the invention described in detail below
Embodiment.
Embodiment 1
This embodiment offers a kind of control method of air-conditioner set equipment, the executive agent of the control method is air-conditioning system
Any one air-conditioner set equipment in system, Fig. 1 are described in the embodiment of the present invention 1 the step of the control method of air-conditioner set equipment
Flow chart, as shown in figure 1, the control method includes steps S101 to step S104.
Step S101：Asked in response to condition adjudgement, generate identification code.
Wherein, condition adjudgement asks to be used to judge whether air-conditioner set equipment will enter lock-out state, air-conditioner set equipment
During into lock-out state, control signal is not responding to, that is, after holding bird unit equipment enters lock-out state, receives control
During signal, without any response.
For the step, specifically, in one case, the control unit of air-conditioner set equipment itself is set to open fortune
After row, condition adjudgement request is automatically generated at interval of predetermined time interval, such as timer is set, after operation is opened, is opened by 0
Beginning timing, when reaching the time value of predetermined time interval, timer is reset, and generates condition adjudgement request.Air-conditioner set is set
After itself standby generation condition adjudgement request, condition adjudgement request is responded, generates identification code.In another case, air conditioner
Group equipment receives the condition adjudgement request that the equipment outside itself is sent, for example, receiving the condition adjudgement request that controller issues
Deng.
In either case, air-conditioner set equipment responsive state judges that the mode of request is generation identification code.Its
In, it is preferable that preset a kind of identification code generating algorithm in the control unit of air-conditioner set equipment, the identification code bag of algorithm generation
Random number is included, so as to which the identification code that different air-conditioner set equipment, same air-conditioner set equipment generate in the different time is not
It is identical, the leakage of identification code can be avoided and usurped.
Step S102：Identification code is sent to the controller of air-conditioning system.
Air-conditioner set equipment sends identification code to the controller of air-conditioning system after identification code is generated, wherein, air-conditioning system
The controller of system is the equipment for issuing control signal in air-conditioning system to air-conditioner set equipment, if each air conditioner in air-conditioning system
Group equipment is by controller when normally being controlled, and controller can receive the identification code of air-conditioner set equipment transmission, and according to receiving
Identification code generation response key be back to air-conditioner set equipment.If air-conditioning unit equipment is not by controller in air-conditioning system
When controlling, but being in the abnormality controlled by Three-Part protocol equipment, no controller generation response key is back to sky
Adjust unit equipment.Or Three-Part protocol equipment sends incorrect response key to air-conditioner set equipment.
Step S103：When receiving response key, matching response key and local key.
Air-conditioner set equipment finds out the local key being locally stored when receiving response key, or, receiving response
During key, local key is locally generated, response key is matched with local key, to enter to the response key received
Row checking.
Preferably, the information that response key is obtained for controller using predetermined cryptographic algorithm Encrypted-identification-code, local key
The information obtained for air-conditioner set equipment using identical predetermined cryptographic algorithm Encrypted-identification-code.Using the preferred embodiment, for
Three-Part protocol equipment, on the premise of predetermined cryptographic algorithm is not known about, even if intercepting and capturing identification code, correctly should it can not also generate
Answer key；For controller and air-conditioner set equipment, encryption identical identification code is calculated using the predetermined encryption of identical, can be obtained
Identical key, namely local key are identical with correct response key so that in step S103, response key and local
The matching process of key is simple.
Step S104：If not receiving response key in the given time or the response key that receives and local key
When inconsistent, into lock-out state.
Air-conditioner set equipment does not receive response key in the given time, or, what air-conditioner set equipment received should
Answer key and local key be inconsistent, show that identification code that air-conditioner set equipment is sent is not under control the Normal Feedback of device,
Now air-conditioner set equipment is directly entered lock-out state, even if Three-Part protocol equipment is intended to the control signal pair by listening to
Air-conditioner set equipment is controlled, empty because air-conditioner set equipment does not obtain the response of response key after identification code is sent
Adjust unit equipment to enter lock-out state, and prevent the control of Three-Part protocol equipment from succeeding.
The control method of the air-conditioner set equipment provided using the embodiment, simultaneously mould is monitored when using Three-Part protocol equipment
When intending controller control air-conditioner set equipment, when the identification code that air-conditioner set equipment is sent does not obtain correct response key,
Automatically into lock-out state, protect unit equipment not controlled by Three-Part protocol equipment, improve complete machine service life with stably
Property.
Embodiment 2
This embodiment offers a kind of control method of air-conditioner set equipment, Fig. 2 is air conditioner described in the embodiment of the present invention 2
The step flow chart of the control method of group equipment, the executive agent of the control method are at least two air conditioners in air-conditioning system
Group equipment, Fig. 3 is the schematic diagram of the air-conditioning system described in the embodiment of the present invention 2 where air-conditioner set equipment, as shown in figure 3, touching
Touch screen controller and equipment 1 (namely first air-conditioner set equipment), equipment 2 (namely second air-conditioner set equipment) and equipment 3 (
That is the 3rd air-conditioner set equipment) same communication network is in, as shown in Fig. 2 the control method includes steps S201
To step S204.
Step S201：First air-conditioner set equipment interval predetermined time interval automatically generates condition adjudgement request.
Step S202：First air-conditioner set equipment sends condition adjudgement request to controller.
Wherein, condition adjudgement request is synchronized to communication bus by controller when receiving condition adjudgement request, so that with
The second air-conditioner set equipment that communication bus is connected can receive the synchronous condition adjudgement request of controller.
Step S203：Second air-conditioner set equipment receives the synchronous condition adjudgement request of controller.
Step S204：Second air-conditioner set equipment is asked in response to condition adjudgement, generates identification code.
Step S205：Second air-conditioner set equipment sends identification code to the controller of air-conditioning system.
Step S206：When second air-conditioner set equipment does not receive response key in the given time, into lock-out state.
Step S207：When second air-conditioner set equipment receives response key in the given time, matching response key with
Local key.
Step S208：When the response key that the second air-conditioner set equipment receives and inconsistent local key, into locking
State.
Step S209：When the response key that second air-conditioner set equipment receives is with local key agreement, normal shape is kept
State.
Using the embodiment, by an air-conditioner set equipment in air-conditioning system, namely the first air-conditioner set equipment, every
A period of time sends condition adjudgement request, from controller to other air-conditioner set equipment within air-conditioning systems, namely the second air-conditioning
Unit equipment, forwarding state judge request so that the second air-conditioner set equipment can timing to controller send identification code, connecing
When can not receive the response key that controller issues, into lock-out state.Sending condition adjudgement without each air-conditioner set equipment please
Ask, save the communication resources of each air-conditioner set equipment.
Preferably, in the case of a kind of, in the control method for the air-conditioner set equipment that above-described embodiment 2 provides, when first
During the state that air-conditioner set equipment normally controls still in controller, condition adjudgement request is initiated in the first air-conditioner set equipment
Afterwards, the second air-conditioner set equipment can normally receive condition adjudgement request Concurrency and go out identification code, the second air-conditioner set equipment meeting
Enter lock-out state due to not receiving correct response key.When the second air-conditioner set equipment in air-conditioning system is in non-
During the abnormality of controller control, for the second air-conditioner set equipment after lock-out state is entered, the first air-conditioner set equipment can be after
Continuous to perform step S201 and step S202, correspondingly, the second air-conditioner set equipment still may proceed to perform step S203 to step
S205, during which, when the second air-conditioner set equipment in air-conditioning system returns to the normal condition of non-controlling device control, the second air-conditioning
Unit equipment can receive and local key one in the given time after identification code to controller is sent by step S205
The response key of cause, now, normal condition is converted to by lock-out state, wherein, when air-conditioner set equipment enters normal condition, energy
Enough responsive control signals.
It is further preferred that the second air-conditioner set equipment, after lock-out state is entered, the second air-conditioner set device broadcasts are locked
Determine status information to communication bus, with the second air-conditioner set equipment be in same communication network the first air-conditioner set equipment,
Three air-conditioner set equipment can receive lock state information, also, the first air-conditioner set equipment and the 3rd air-conditioner set equipment
After lock state information is received, lock-out state is directly entered.Avoid the first air-conditioner set equipment and the 3rd air-conditioner set
Equipment is also by the abnormal control of Three-Part protocol equipment.
Preferably, in another case, in the control method for the air-conditioner set equipment that above-described embodiment 2 provides, first
While air-conditioner set equipment initiates condition adjudgement request, identification code is sent to controller, when all air-conditioner set equipment are all located
When the state of Three-Part protocol unit exception control, the first air-conditioner set equipment can be due to not receiving correct response key
And entering lock-out state, the first air-conditioner set equipment is after lock-out state is entered, the first air-conditioner set device broadcasts lock-out state
Information is in the second air-conditioner set equipment, the 3rd air-conditioning of same communication network with the first air-conditioner set equipment to communication bus
Unit equipment, even if being not received by condition adjudgement request, it can be directly entered locking after lock state information is received
State.During the state for avoiding all air-conditioner set equipment from being controlled all in Three-Part protocol unit exception, the second air-conditioner set is set
Standby and the 3rd air-conditioner set equipment is unable to responsive state and judges request and send identification code, and is in normal condition.
Embodiment 3
This embodiment offers a kind of control method of air-conditioner set equipment, Fig. 4 is air conditioner described in the embodiment of the present invention 3
The step flow chart of the control method of group equipment, the executive agent of the control method are at least two air conditioners in air-conditioning system
Group equipment, communicated using CAN between the air-conditioner set equipment and touch screen controller in air-conditioning system, Can is communicated
Belong to dereliction to communicate, the equipment on all communication buses can be initiated to communicate.As shown in figure 4, the step of control method includes
Describe in detail as follows.
The air-conditioner set equipment of whole air-conditioning system can be initiated synchronous crypto-operation by CAN communication network and ask (namely shape
State judges request).Touch screen controller receive synchronous crypto-operation request after can actively to communication bus send synchronizing information (namely
Synchronous regime judges request).Air-conditioner set equipment in bus can receive the synchronizing information.When some air-conditioner set equipment is received
An identification code can be generated after to synchronizing information, and the identification code is reported into touch screen controller, touch screen controller is received
A correct response key must be replied after to identification code within a certain period of time.Air-conditioner set equipment receives touch-screen control
Matched after the response key of device with the local key of itself.Itself is locked if both are inconsistent, into lock-out state,
Control signal is not responding to, is just unlocked when the response key received is consistent with own local key.
Air-conditioner set equipment on communication network uses same set of AES, each air-conditioner set with touch screen controller
The identification code that equipment is initiated is generated and will not repeated according to AES.Any air-conditioner set equipment in bus once detects
Fail to the response key received and local cipher key match, locking mode is immediately entered, so as to protect whole set equipment.
It is the control method of air-conditioner set equipment provided by the invention above, present invention also offers air-conditioner set equipment
Control device is, it is necessary to which explanation, the control device of air-conditioner set equipment are used to perform any one air-conditioning provided by the invention
The control method of unit equipment.Simultaneously as the control method of air-conditioner set equipment provided by the invention is based on control device
Same inventive concept, related part can be visited mutually, in each embodiment of the control method in air-conditioner set equipment
Part through detailed description, no longer it is described in detail in the control device part of air-conditioner set equipment.
Embodiment 4
The embodiment 4 provides a kind of control device of air-conditioner set equipment, and the control device is arranged in air-conditioning system
Any one air-conditioner set equipment, Fig. 5 be the control device of air-conditioner set equipment described in the embodiment of the present invention 4 block diagram, such as
Shown in Fig. 5, the control device includes respond module 10, sending module 20, matching module 30 and State Transferring module 40.
Wherein, respond module 10 is used to ask in response to condition adjudgement, generates identification code, wherein, condition adjudgement request is used
In judging whether air-conditioner set equipment will enter lock-out state, when air-conditioner set equipment enters lock-out state, control letter is not responding to
Number.
Sending module 20 is used to send identification code to the controller of air-conditioning system, wherein, controller is used for air-conditioner set
Equipment issues control signal, and response key is sent when receiving identification code.
Matching module 30 is used for when receiving response key, matching response key and local key.
State Transferring module 40 be used to not receiving response key in the given time or the response key that receives with
When local key is inconsistent, into lock-out state.
The control device of the air-conditioner set equipment provided using the embodiment, simultaneously mould is monitored when using Three-Part protocol equipment
When intending controller control air-conditioner set equipment, when the identification code that air-conditioner set equipment is sent does not obtain correct response key,
Automatically into lock-out state, protect unit equipment not controlled by Three-Part protocol equipment, improve complete machine service life with stably
Property.
Preferably, the control device also includes：Receiving module, for being asked in respond module 10 in response to condition adjudgement,
Before generating identification code, the synchronous condition adjudgement request of controller is received, wherein, controller is used to receive the first air conditioner
After the condition adjudgement request that group equipment is sent, condition adjudgement request is synchronized to communication bus, so as to be connected with communication bus
The receiving module of the second air-conditioner set equipment can receive the synchronous condition adjudgement request of controller.
Preferably, the control device also includes：Generation module, it is raw for being asked in respond module in response to condition adjudgement
Into before identification code, interval generation condition adjudgement request to schedule.
Preferably, State Transferring module 40 is additionally operable to after lock-out state is entered, when the response key received and local
During key agreement, normal condition is converted to by lock-out state, wherein, when air-conditioner set equipment enters normal condition, it can respond
Control signal.
Preferably, the control device also includes：Broadcast module, for air-conditioner set equipment enter lock-out state after, extensively
Lock state information is broadcast to communication bus, wherein, the broadcast module of the first air-conditioner set equipment is for wide by lock state information
Communication bus is cast to, so that the second air-conditioner set equipment being connected with communication bus enters after lock state information is received
Lock-out state.
Preferably, identification code includes random number.
Preferably, the information that response key is obtained for controller using predetermined cryptographic algorithm Encrypted-identification-code, local key
The information obtained for air-conditioner set equipment using predetermined cryptographic algorithm Encrypted-identification-code.
Embodiment 5
The embodiment 5 provides a kind of air-conditioning system, and Fig. 6 is the block diagram of air-conditioning system described in the embodiment of the present invention 5, is such as schemed
Shown in 6, the air-conditioning system includes the air-conditioner set equipment 02 of controller 01 and first and the second air-conditioner set equipment 03, wherein, extremely
Few second air-conditioner set equipment 03 includes the control device of any one air-conditioner set equipment provided by the invention.
Specifically, the first air-conditioner set equipment 02 and the second air-conditioner set equipment 03 are connected with controller 01, and first
Air-conditioner set equipment 02 is spaced predetermined time interval and automatically generates condition adjudgement request, and condition adjudgement request is sent and extremely controlled
Device 01.
Controller 01 issues control signal to the first air-conditioner set equipment 02 and the second air-conditioner set equipment 03, and is receiving
When being asked to condition adjudgement, condition adjudgement request is synchronized to communication bus, so that the second air-conditioning being connected with communication bus
Unit equipment 03 can receive the synchronous condition adjudgement request of controller 01.Second air-conditioner set equipment 03 is sentenced in response to state
Disconnected request, generates identification code, sends identification code to the controller 01 of air-conditioning system.After controller 01 receives identification code, generation
Response key is back to the second air-conditioner set equipment 03.
When second air-conditioner set equipment 03 does not receive response key in the given time, into lock-out state；Predetermined
When response key is received in the time, matching response key and local key, when response key and local key are inconsistent, enter
Enter lock-out state；When the response key received is with local key agreement, normal condition is kept.
The air-conditioning system provided using the embodiment, it is empty when monitoring simultaneously analog controller control using Three-Part protocol equipment
When adjusting unit equipment, when the identification code that air-conditioner set equipment is sent does not obtain correct response key, automatically into locking shape
State, protect unit equipment not controlled by Three-Part protocol equipment, improve complete machine service life and stability.
Although some specific embodiments of the present invention are described in detail by example, the skill of this area
Art personnel it should be understood that example above merely to illustrating, the scope being not intended to be limiting of the invention.The skill of this area
Art personnel to above example it should be understood that can modify without departing from the scope and spirit of the present invention.This hair
Bright scope is defined by the following claims.
Those skilled in the art will readily occur to the present invention its after considering specification and putting into practice invention disclosed herein
Its embodiment.The application be intended to the present invention any modification, purposes or adaptations, these modifications, purposes or
Person's adaptations follow the general principle of the present invention and the common knowledge in the art do not invented including the present invention
Or conventional techniques.Description and embodiments are considered only as exemplary, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be appreciated that the invention is not limited in the precision architecture for being described above and being shown in the drawings, and
And various modifications and changes can be being carried out without departing from the scope.The scope of the present invention is only limited by appended claim.
Claims (10)
- A kind of 1. control method of air-conditioner set equipment, it is characterised in that including：Asked in response to condition adjudgement, generate identification code, wherein, the condition adjudgement asks to be used to judge that air-conditioner set equipment is It is no to enter lock-out state, when the air-conditioner set equipment enters the lock-out state, it is not responding to control signal；The identification code is sent to the controller of the air-conditioning system, wherein, the controller is used to set to the air-conditioner set It is standby to issue the control signal, and response key is sent when receiving the identification code；When receiving the response key, the response key and local key are matched；If not receiving the response key in the given time or the response key that receives and the local key When inconsistent, into the lock-out state.
- 2. the control method of air-conditioner set equipment according to claim 1, it is characterised in that asked in response to condition adjudgement Ask, before generating identification code, methods described also includes：The synchronous condition adjudgement request of the controller is received, wherein, the controller is used to receive the first air-conditioning Unit equipment send the condition adjudgement request after, by the condition adjudgement request be synchronized to communication bus so that with communication The second air-conditioner set equipment that bus is connected can receive the synchronous condition adjudgement request of the controller.
- 3. the control method of air-conditioner set equipment according to claim 1, it is characterised in that asked in response to condition adjudgement Ask, before generating identification code, methods described also includes：Interval generates the condition adjudgement request to schedule.
- 4. the control method of air-conditioner set equipment according to claim 1, it is characterised in that entering the lock-out state Afterwards, methods described also includes：When the response key received is with the local key agreement, normal condition is converted to by the lock-out state, Wherein, when the air-conditioner set equipment enters the normal condition, the control signal can be responded.
- 5. the control method of air-conditioner set equipment according to claim 1, it is characterised in that entering the lock-out state Afterwards, methods described also includes：Lock state information is broadcasted to communication bus, wherein, the first air-conditioner set equipment is used for the lock state information is wide Communication bus is cast to, so that the second air-conditioner set equipment being connected with communication bus is after the lock state information is received Into the lock-out state.
- 6. the control method of air-conditioner set equipment according to claim 1, it is characterised in that the identification code includes random Number.
- 7. the control method of air-conditioner set equipment according to claim 1, it is characterised in that the response key is described The information that controller is obtained using the predetermined cryptographic algorithm encryption identification code, the local key is the air-conditioner set equipment The information obtained using the predetermined cryptographic algorithm encryption identification code.
- A kind of 8. control device of air-conditioner set equipment, it is characterised in that including：Respond module, for being asked in response to condition adjudgement, identification code is generated, wherein, the condition adjudgement asks to be used to judge Whether air-conditioner set equipment will enter lock-out state, when the air-conditioner set equipment enters the lock-out state, be not responding to control Signal；Sending module, for sending the identification code to the controller of the air-conditioning system, wherein, the controller is used for institute State air-conditioner set equipment and issue the control signal, and response key is sent when receiving the identification code；Matching module, for when receiving the response key, matching the response key and local key；State Transferring module, for the response key for not receiving the response key in the given time or receiving With the local key it is inconsistent when, into the lock-out state.
- 9. the control device of air-conditioner set equipment according to claim 1, it is characterised in that the control device also wraps Include：Receiving module, for being asked in the respond module in response to condition adjudgement, before generating identification code, receive the control The synchronous condition adjudgement request of device, wherein, the controller is used to receive the transmission of the first air-conditioner set equipment After condition adjudgement request, condition adjudgement request is synchronized to communication bus, so that be connected with communication bus the The receiving module of two air-conditioner set equipment can receive the synchronous condition adjudgement request of the controller.
- A kind of 10. air-conditioning system, it is characterised in that including：Controller, for issuing control signal to air-conditioner set equipment, and in the knowledge for receiving the air-conditioner set equipment transmission Response key is sent during other code；AndThe air-conditioner set equipment, is connected with the controller, wherein, the air-conditioner set equipment includes claim 8 or 9 The control device of described air-conditioner set equipment.
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