CN107664337B - 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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- CN107664337B CN107664337B CN201710719045.8A CN201710719045A CN107664337B CN 107664337 B CN107664337 B CN 107664337B CN 201710719045 A CN201710719045 A CN 201710719045A CN 107664337 B CN107664337 B CN 107664337B
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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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Abstract
The invention discloses a kind of air-conditioning system, the control method of air-conditioner set equipment and devices.The control method of the air-conditioner set equipment includes: to judge to request in response to state, generates identification code, wherein state judges that request for judging whether air-conditioner set equipment will enter lock state, when air-conditioner set equipment enters lock state, is not responding to control signal；Send the controller of identification code to air-conditioning system, wherein controller is used to issue control signal to air-conditioner set equipment, and response key is issued when receiving identification code；When receiving response key, matching response key and local key；If response key is not received in the given time or the response key that receives and when inconsistent local key, into lock state.The present invention solves Three-Part protocol equipment and monitors bus data, and analog controller issues control signal, influences the problem of air-conditioner set equipment operates normally.
Description
Technical field
The present invention relates to air-conditioning technical fields, more particularly, to a kind of air-conditioning system, the controlling party of air-conditioner set equipment
Method and device.
Background technique
The communication data of current commercialization Large Central Air Conditioning System can be obtained by monitoring bus data.It include touching in 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 to air-conditioner set equipment, can simulated touch screen controller operation, accordingly even when
The touch screen controller for not having genuine to be equipped with, central air-conditioning can also work.
But there is more serious risk in this mode.The first, in the control process of air-conditioner set equipment, due to not having
Controller normally participates in controlling, and the operating status of air-conditioner set equipment cannot effectively be fed back by controller in real time, with
It cannot be found in advance as some serious unit equipment failures, affect the service life of unit equipment；The second, the communication of non-original factory
Its communication interface specification of equipment may be inconsistent, it is possible to which the unit equipment on interference communications network causes unit equipment to damage.
If third can be the ability to easily control unit equipment operation using third-party communication apparatus, the safe operation of air-conditioning system is influenced.
For, since Three-Part protocol equipment monitors bus data, analog controller issues in air-conditioning system in the related technology
Signal is controlled, and influences the problem of air-conditioner set equipment operates normally, not yet proposes to efficiently solve scheme at present.
Summary of the invention
The present invention provides a kind of air-conditioning system, the control method of air-conditioner set equipment and devices, existing at least to solve
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, according to an aspect of an embodiment of the present invention, the present invention provides a kind of air conditioners
The control method of group equipment.
The control method of the air-conditioner set equipment includes: to judge to request in response to state, generates identification code, wherein state
Judge request for judging whether air-conditioner set equipment will be into lock state, when air-conditioner set equipment enters lock state, no
Responsive control signal；Send the controller of identification code to air-conditioning system, wherein controller is used to issue control to air-conditioner set equipment
Signal processed, and response key is issued 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 the response key that receives and when inconsistent local key, enter
Lock state.
Further, judging to request in response to state, before generating identification code, this method further include: receive controller
Synchronous state judges request, wherein controller is used in the state judgement request for receiving the transmission of the first air-conditioner set equipment
Afterwards, state judgement request is synchronized to communication bus, so that the second air-conditioner set equipment being connected with communication bus can connect
Receive the synchronous state judgement request of controller.
Further, judging to request in response to state, before generating identification code, this method further include: according to pre- timing
Between interval generation state judgement request.
Further, after entering lock state, this method further include: when the response key received and local key one
When cause, normal condition is converted to by lock state, wherein when air-conditioner set equipment enters normal condition, be able to respond control letter
Number.
Further, after entering lock state, this method further include: broadcast lock state information to communication bus,
In, the first air-conditioner set equipment is for broadcasting lock state information to communication bus, so that be connected with communication bus the
Two air-conditioner set equipment enter lock state after receiving lock state information.
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, according to an aspect of an embodiment of the present invention, the present invention provides a kind of air conditioners
The control device of group equipment.
The control device of the air-conditioner set equipment includes: respond module, for judging to request in response to state, generates identification
Code, wherein state judges request for judging whether air-conditioner set equipment will enter lock state, and air-conditioner set equipment enters lock
When determining state, it is not responding to control signal；Sending module, for sending the controller of identification code to air-conditioning system, wherein controller
For issuing control signal to air-conditioner set equipment, and response key is issued when receiving identification code；Matching module is used for
When receiving response key, matching response key and local key；State conversion module, for not receiving in the given time
When response key or the response key received and inconsistent local key, into lock state.
Further, the control device further include: receiving module, for judging to request in response to state in respond module,
Before generating identification code, receives the synchronous state of controller and judge request, wherein controller is for receiving the first air conditioner
After the state judgement request that group equipment is sent, state judgement 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 state judgement request of controller.
In order to solve the above technical problems, according to an aspect of an embodiment of the present invention, the present invention provides a kind of air-conditioning systems
System.
The air-conditioning system includes: controller, for issuing control signal to air-conditioner set equipment, and is receiving air conditioner
Response key is sent when 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 judgement request issues identification code to controller, if predetermined
Response key is not received in time, alternatively, response key and local key that air-conditioner set equipment receives are inconsistent, is shown
The identification code that air-conditioner set equipment issues is not under control the Normal Feedback of device, and air-conditioner set equipment is directly entered locking at this time
State, even if Three-Part protocol equipment is intended to control 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 issuing identification code, air-conditioner set equipment enters lock state, and makes
The control of Three-Part protocol equipment cannot succeed, and protect control of the unit equipment not by Three-Part protocol equipment, improve complete machine fortune
Row service life and stability.
Detailed description of the invention
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 where air-conditioner set equipment described in the embodiment of the present invention 2；
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.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
The example of device and method being described in detail in claims, some aspects of the invention are consistent.
Air-conditioning system of the present invention includes controller and multiple air-conditioner set equipment, wherein controller can be touching
Screen controller or button controller etc. are touched, the present invention is not limited thereto.Air-conditioner set equipment includes host, wind cabinet
Namely fan coil etc..Controller and each air-conditioner set equipment are in same communication network, and controller can be to each air-conditioning
Unit equipment sends control signal, for example, controlling the switch of air-conditioner set equipment by control signal and under unit equipment
The control parameter etc. of hair-like state conversion.
In the present invention, it is arranged by the communication mechanism between air-conditioner set equipment and controller, air-conditioner set equipment is rung
State judgement request is answered to issue identification code to controller, if not receiving response key in the given time, alternatively, air conditioner
The response key that group equipment receives and local key are inconsistent, and the identification code for showing that air-conditioner set equipment issues is not controlled
The Normal Feedback of device processed, air-conditioner set equipment is directly entered lock state at this time, 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 air-conditioner set equipment being controlled using Three-Part protocol equipment, cannot timely feedback sky
The operating status for adjusting unit equipment, avoids causing on communication network because the interface opering characteristic of electric apparatus of Three-Part protocol equipment is inconsistent
Air-conditioner set equipment damage, while avoid using non-original factory accessory control unit equipment operation the unpredictable wind of bring
Danger, in short, ensureing the service life and stability of air-conditioner set equipment entirety.
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 executing subject of the control method is air-conditioning system
The step of any one air-conditioner set equipment in system, Fig. 1 is the control method of air-conditioner set equipment described in the embodiment of the present invention 1
Flow chart, as shown in Figure 1, the control method includes the following steps, namely S101 to step S104.
Step S101: judge to request in response to state, generate identification code.
Wherein, state judges request for judging whether air-conditioner set equipment will enter lock state, air-conditioner set equipment
When into lock state, it is not responding to control signal, that is, receiving control when air-conditioner set equipment enters lock state after and believing
Number when, without any response.
For the step, specifically, in one case, the control unit that air-conditioner set equipment itself is arranged is opening fortune
After row, state judgement request is automatically generated at interval of predetermined time interval, such as setting timer is opened after opening operation by 0
Beginning timing, when reaching the time value of predetermined time interval, timer is reset, and generates state judgement request.Air-conditioner set is set
The standby state that itself generates judges after requesting, and responds state judgement request, generates identification code.In another case, air conditioner
Group equipment receives the state judgement request of the transmission of the equipment except itself, for example, receiving the state judgement request that controller issues
Deng.
In either case, the mode of air-conditioner set equipment responsive state judgement 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 packet which generates
Random number is included, thus, the identification code that different air-conditioner set equipment, same air-conditioner set equipment generate in different times is not
It is identical, can to avoid identification code leakage and usurp.
Step S102: the controller of identification code to air-conditioning system is sent.
Identification code is sent to the controller of air-conditioning system after generating identification code by air-conditioner set equipment, wherein air-conditioning system
The controller of system is the equipment for issuing control signal to air-conditioner set equipment in air-conditioning system, 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 generate 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 generates response key and 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, alternatively, receiving response
When key, be locally generated local key, response key matched with local key, with to the response key received into
Row verifying.
Preferably, response key is the information that controller uses predetermined cryptographic algorithm Encrypted-identification-code to obtain, local key
The information for using identical predetermined cryptographic algorithm Encrypted-identification-code to obtain for air-conditioner set equipment.Using the preferred embodiment, for
Three-Part protocol equipment, even if intercepting and capturing identification code, can not also be generated and correctly be answered under the premise of not knowing about predetermined cryptographic algorithm
Answer key；For controller and air-conditioner set equipment, is calculated using identical predetermined encryption and encrypt identical identification code, it is available
Identical key, namely local key are identical as correct response key, so that in step S103, response key and local
The matching process of key is simple.
Step S104: if the response key and local key that do not receive response key in the given time or receive
When inconsistent, into lock state.
Air-conditioner set equipment does not receive response key in the given time, alternatively, answering of receiving of air-conditioner set equipment
It answers key and local key is inconsistent, show that the identification code of air-conditioner set equipment sending is not under control the Normal Feedback of device,
Air-conditioner set equipment is directly entered lock state at this time, even if Three-Part protocol equipment is intended to the control signal pair by listening to
Air-conditioner set equipment is controlled, empty since air-conditioner set equipment does not obtain the response of response key after issuing identification code
It adjusts unit equipment to enter lock state, and prevents the control of Three-Part protocol equipment from succeeding.
Using the control method for the air-conditioner set equipment that the embodiment provides, when use Three-Part protocol equipment monitors simultaneously mould
When quasi- controller control air-conditioner set equipment, when the identification code that air-conditioner set equipment issues does not obtain correct response key,
Automatically into lock state, control of the unit equipment not by Three-Part protocol equipment is protected, improves complete machine service life and stabilization
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 executing subject 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 where air-conditioner set equipment described in the embodiment of the present invention 2, 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 third air-conditioner set equipment) it is in same communication network, as shown in Fig. 2, the control method includes the following steps, namely S201
To step S204.
Step the S201: the first air-conditioner set equipment interval predetermined time interval automatically generates state judgement request.
State judgement request is sent to controller by step the S202: the first air-conditioner set equipment.
Wherein, state judgement request is synchronized to communication bus when receiving state judgement request by controller, so that with
The second air-conditioner set equipment that communication bus is connected can receive the synchronous state judgement request of controller.
Step the S203: the second air-conditioner set equipment receives the synchronous state of controller and judges request.
Step the S204: the second air-conditioner set equipment judges to request in response to state, generates identification code.
Step the S205: the second air-conditioner set equipment sends the controller of identification code to air-conditioning system.
When the S206: the second air-conditioner set of step equipment does not receive response key in the given time, into lock state.
When step the S207: the second air-conditioner set equipment receives response key in the given time, matching response key with
Local key.
When response key and inconsistent local key that step the S208: the second air-conditioner set equipment receives, into locking
State.
When response key and local key agreement that step the S209: the second air-conditioner set equipment receives, normal shape is kept
State.
Using the embodiment, by the air-conditioner set equipment namely the first air-conditioner set equipment in air-conditioning system, every
A period of time issues state judgement request, from controller to other air-conditioner set equipment namely the second air-conditioning within air-conditioning systems
Unit equipment, forwarding state judgement request, enables the second air-conditioner set equipment timing to send identification code to controller, is connecing
When can not receive the response key that controller issues, into lock state.State judgement is issued without each air-conditioner set equipment to ask
It asks, saves the communication resources of each air-conditioner set equipment.
Preferably, in a kind of situation, in the control method for the air-conditioner set equipment that above-described embodiment 2 provides, when first
Air-conditioner set equipment still in controller normal control state when, the first air-conditioner set equipment initiate state judgement request
Afterwards, the second air-conditioner set equipment can normally receive state and judge that request Concurrency goes out identification code, the second air-conditioner set equipment meeting
Enter lock state due to not receiving correct response key.When the second air-conditioner set equipment in air-conditioning system is in non-
When the abnormality of controller control, for the second air-conditioner set equipment after entering lock state, the first air-conditioner set equipment can be after
Continuous to execute step S201 and step S202, correspondingly, the second air-conditioner set equipment still will continue to execute 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 sending identification code to controller by step S205
The response key of cause, at this point, being converted to normal condition by lock 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 entering lock state, 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 third air-conditioner set equipment
After receiving lock state information, it is directly entered lock state.Avoid the first air-conditioner set equipment and third 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 state judgement 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 state, the first air-conditioner set equipment is after entering lock state, the first air-conditioner set device broadcasts lock state
Information is in the second air-conditioner set equipment, the third air-conditioning of same communication network with the first air-conditioner set equipment to communication bus
Unit equipment can be directly entered locking after receiving lock state information even if being not received by state judgement request
State.When the state for avoiding all air-conditioner set equipment from controlling all in Three-Part protocol unit exception, the second air-conditioner set is set
Standby and third air-conditioner set equipment is unable to responsive state judgement request and issues 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 executing subject of the control method are at least two air conditioners in air-conditioning system
Equipment is organized, is communicated between the air-conditioner set equipment and touch screen controller in air-conditioning system using CAN bus, Can communication
Belong to dereliction communication, the equipment on all communication buses can be initiated to communicate.As shown in figure 4, the control method includes the steps that
Detailed description are as follows.
The air-conditioner set equipment of entire air-conditioning system can initiate synchronous crypto-operation request (namely shape by CAN communication network
State judgement request).Touch screen controller receive synchronous crypto-operation request after can actively to communication bus send synchronizing information (namely
Synchronous regime judgement 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 to touch screen controller, and touch screen controller is received
A correct response code key must be replied after to identification code within a certain period of time.Air-conditioner set equipment receives touch screen control
It is matched after the response code key of device with the local code key of itself.Itself is locked if the two is inconsistent, into lock state,
It is not responding to control signal, is just unlocked when the response code key received is consistent with own local code key.
Air-conditioner set equipment and touch screen controller on communication network use same set of Encryption Algorithm, each air-conditioner set
The identification code that equipment is initiated is generated and will not be repeated according to Encryption Algorithm.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, to protect whole set equipment.
The above are the control methods of air-conditioner set equipment provided by the invention, and the present invention also provides air-conditioner set equipment
Control device, it should be noted that the control device of air-conditioner set equipment is for executing 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 place can be visited mutually, in each embodiment of the control method in air-conditioner set equipment
Part through being described in detail no longer 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, which is set in air-conditioning system
Any one air-conditioner set equipment, Fig. 5 be the embodiment of the present invention 4 described in air-conditioner set equipment control device block diagram, such as
Shown in Fig. 5, which includes respond module 10, sending module 20, matching module 30 and state conversion module 40.
Wherein, respond module 10 is used to judge to request in response to state, generates identification code, wherein state judgement request is used
In judging whether air-conditioner set equipment will enter lock state, when air-conditioner set equipment enters lock state, it is not responding to control letter
Number.
Sending module 20 is used to send the controller of identification code to air-conditioning system, wherein controller is used for air-conditioner set
Equipment issues control signal, and response key is issued when receiving identification code.
Matching module 30 is used for when receiving response key, matching response key and local key.
State conversion module 40 be used to not receive response key in the given time or the response key that receives with
When local key is inconsistent, into lock state.
Using the control device for the air-conditioner set equipment that the embodiment provides, when use Three-Part protocol equipment monitors simultaneously mould
When quasi- controller control air-conditioner set equipment, when the identification code that air-conditioner set equipment issues does not obtain correct response key,
Automatically into lock state, control of the unit equipment not by Three-Part protocol equipment is protected, improves complete machine service life and stabilization
Property.
Preferably, the control device further include: receiving module, for judging to request in response to state in respond module 10,
Before generating identification code, receives the synchronous state of controller and judge request, wherein controller is for receiving the first air conditioner
After the state judgement request that group equipment is sent, state judgement 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 state judgement request of controller.
Preferably, the control device further include: generation module, it is raw for judging to request in response to state in respond module
Before identification code, it is spaced the judgement request of generation state to schedule.
Preferably, state conversion module 40 is also used to after entering lock state, when the response key received and local
When key agreement, normal condition is converted to by lock state, wherein when air-conditioner set equipment enters normal condition, be able to respond
Control signal.
Preferably, the control device further include: broadcast module, for after air-conditioner set equipment enters lock state, extensively
Lock state information is broadcast to communication bus, wherein the broadcast module of the first air-conditioner set equipment is used for lock state information is wide
Communication bus is cast to, so that the second air-conditioner set equipment being connected with communication bus enters after receiving lock state information
Lock state.
Preferably, identification code includes random number.
Preferably, response key is the information that controller uses predetermined cryptographic algorithm Encrypted-identification-code to obtain, local key
The information for using predetermined cryptographic algorithm Encrypted-identification-code to obtain for air-conditioner set equipment.
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, such as schemes
Shown in 6, which includes controller 01 and the first air-conditioner set equipment 02 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 state judgement request, and state judgement request is sent to control
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 judging to request to state, state judgement request is synchronized to communication bus, so that the second air-conditioning being connected with communication bus
Unit equipment 03 can receive the synchronous state judgement request of controller 01.Second air-conditioner set equipment 03 is sentenced in response to state
Disconnected request, generates identification code, sends the controller 01 of identification code to air-conditioning system.After controller 01 receives identification code, generate
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 state；Predetermined
When receiving response key in the time, matching response key and local key, when response key and inconsistent local key, into
Enter lock state；When the response key and local key agreement that receive, 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 issues does not obtain correct response key, automatically into locking shape
State protects control of the unit equipment not by Three-Part protocol equipment, improves complete machine service life and stability.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair
Bright range is defined by the following claims.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to of the invention its
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the invention, these modifications, purposes or
The common knowledge in the art that person's adaptive change follows general principle of the invention and do not invent including the present invention
Or conventional techniques.The description and examples are only to be considered as illustrative, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be understood that the present invention is not limited to the precise structure already described above and shown in the accompanying drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is limited only by the attached claims.
Claims (7)
1. a kind of control method of air-conditioner set equipment characterized by comprising
It receives the synchronous state of controller and judges request, wherein the controller is for receiving the first air-conditioner set equipment
After the state judgement request sent, state judgement request is synchronized to communication bus, so as to be connected with communication bus
The the second air-conditioner set equipment connect can receive the synchronous state judgement request of the controller；
Judge to request in response to state, generate identification code, wherein the state judges that request is for judging air-conditioner set equipment
It is no to enter lock state, when the air-conditioner set equipment enters the lock state, it is not responding to control signal；
Send the controller of the identification code to the air-conditioning system, wherein the controller to the air-conditioner set for setting
It is standby to issue the control signal, and response key is issued when receiving the identification code；
When receiving the response key, the response key and local key are matched；
If the response key and the local key that do not receive the response key in the given time or receive
When inconsistent, into the lock state；
Wherein, the response key is that the controller uses predetermined cryptographic algorithm to encrypt the information that the identification code obtains, institute
Stating local key is that the air-conditioner set equipment uses the predetermined cryptographic algorithm to encrypt the information that the identification code obtains.
2. the control method of air-conditioner set equipment according to claim 1, which is characterized in that asked in response to state judgement
It asks, before generating identification code, the method also includes:
Interval generates the state judgement request to schedule.
3. the control method of air-conditioner set equipment according to claim 1, which is characterized in that entering the lock state
Afterwards, the method also includes:
When the response key and the local key agreement received, normal condition is converted to by the lock state,
Wherein, when the air-conditioner set equipment enters the normal condition, it is able to respond the control signal.
4. the control method of air-conditioner set equipment according to claim 1, which is characterized in that entering the lock state
Afterwards, the method 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 receiving the lock state information
Into the lock state.
5. the control method of air-conditioner set equipment according to claim 1, which is characterized in that the identification code includes random
Number.
6. a kind of control device of air-conditioner set equipment characterized by comprising
Respond module generates identification code for judging to request in response to state, wherein the state judgement request is for judging
Whether air-conditioner set equipment will enter lock state is not responding to control when the air-conditioner set equipment enters the lock state
Signal；
Sending module, for sending the controller of the identification code to the air-conditioning system, wherein the controller is used for institute
It states air-conditioner set equipment and issues the control signal, and issue response key when receiving the identification code；
Matching module, for when receiving the response key, matching the response key and local key；
State conversion module, the response key for not receiving the response key in the given time or receiving
When inconsistent with the local key, into the lock state；
Wherein, the response key is that the controller uses predetermined cryptographic algorithm to encrypt the information that the identification code obtains, institute
Stating local key is that the air-conditioner set equipment uses the predetermined cryptographic algorithm to encrypt the information that the identification code obtains；
Wherein, the control device further include:
Receiving module before generating identification code, receives the control for judging to request in response to state in the respond module
The synchronous state of device judges request, wherein the controller is for receiving the transmission of the first air-conditioner set equipment
After state judgement request, state judgement 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 state judgement request of the controller.
7. a kind of air-conditioning system characterized by comprising
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 when other code；And
The air-conditioner set equipment, is connected with the controller, wherein the air-conditioner set equipment includes claim 6 institute
The control device for the air-conditioner set equipment stated.
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| CN109446790A (en) * | 2018-10-31 | 2019-03-08 | 珠海格力电器股份有限公司 | Air-conditioner set encrypting and decrypting method, device and encrypting and decrypting terminal |
| CN110398027B (en) * | 2019-08-01 | 2021-09-14 | 格力电器（武汉）有限公司 | Air conditioner indoor unit encryption method and system |
| CN111358483B (en) * | 2020-03-02 | 2023-08-25 | 京东方科技集团股份有限公司 | Control method of flat panel detector, upper computer, flat panel detector and medical system |
| CN112133032A (en) * | 2020-08-31 | 2020-12-25 | 青岛海尔空调器有限总公司 | Message synchronization method and message synchronization equipment for shared air conditioner |
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