CN113507401A - Linkage switch state synchronization method of multiple control units in whole-house intelligent system - Google Patents
Linkage switch state synchronization method of multiple control units in whole-house intelligent system Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
- H04L12/2816—Controlling appliance services of a home automation network by calling their functionalities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
- H04L12/2807—Exchanging configuration information on appliance services in a home automation network
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses a linkage switch state synchronization method of multi-control units in a whole-house intelligent system, wherein each multi-control unit comprises a plurality of linkage switches, and the state synchronization of each linkage switch in the multi-control units is realized through the following modes: s1, changing the state of a linkage switch; s2, the linkage switch sends a state message to other linkage switches in the unit; and S3, synchronizing the state according to the message after the state message is received by other linked switches. According to the scheme, the linkage switches in the multi-control unit are directly synchronized without passing through the gateway, the method has the advantages of high synchronization speed, no influence of a gateway network and the like, and obstacle-free synchronization can be realized even if the gateway is down.
Description
Technical Field
The invention belongs to the technical field of whole-house intelligent systems, and particularly relates to a linkage switch state synchronization method of multiple control units in a whole-house intelligent system.
Background
In an intelligent scene, when a plurality of switches correspond to the same controlled device, the switches are the linked switches which are associated with each other, if one linked switch is operated, the other linked switches need to be in state synchronization, for example, the switch a, the switch B and the switch C are all switch devices for controlling a D lamp, when the switch a is operated to turn on the D lamp, all three switches should be switched from the off state to the on state, since the switch a is operated, the switch a is directly switched to the on state, but the switch B, C is not operated, and needs to be switched to the on state in a synchronization mode. The traditional synchronization mode is that the switch A reports the state information to the gateway, the gateway issues the state to B, C, and then the switch B and the switch C switch to the on state according to the state information issued by the gateway to realize synchronization. However, in such a method, a gateway is needed, and the gateway is a heart of an intelligent internet of things system, and plays a plurality of tasks, and more messages are transmitted and received at every moment, so that the method for realizing synchronization through the gateway has the problems of low efficiency and high delay.
In addition, because the state synchronization needs to use the gateway which is a central node of the whole-house intelligent system, the network pressure is high, and the possibility of paralysis is also highest. If the gateway is down, the state synchronization of the associated switches cannot be realized, and multiple controls cause problems, for example, after the operation switch turns on the light, if the switches and the switches cannot be synchronized, the switches and the switches are turned off by operation next time, and because the current state of the switches is still off, the operation is regarded as the operation of turning on the light, the light can not be normally turned off, the light can be turned off only by operating twice, and if the gateway still does not recover at this time, the three switches cannot realize the state synchronization, so that the problem of disordered states of the three switches is caused, and the user experience sense also can be reduced accordingly.
Moreover, due to the long delay time and the low efficiency, under the condition of frequent light turning on and off (such as children playing light-on games), the problem that the gateway is down due to the fact that contradictory signals are received for many times in a short time (one signal is not processed, the other contradictory signal is received, and a plurality of signals are repeated in the short time).
Disclosure of Invention
The invention aims to solve the problems and provides a linkage switch state synchronization method of a multi-control unit in a whole-house intelligent system.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a gang switch of many accuse units in full room intelligent system, every many accuse unit includes a plurality of gang switches, realizes through following mode that each gang switch's in the many accuse units state is synchronous:
s1, changing the state of a linkage switch;
s2, the linkage switch sends a state message to other linkage switches in the unit;
and S3, synchronizing the state according to the message after the state message is received by other linked switches.
In the method for synchronizing the states of the multi-control switches in the whole-house intelligent system, in step S2, the ganged switch judges whether the ganged switch is the virtual master control, if so, the state message is sent to all other ganged switches in the multi-control unit, otherwise, the state message is only sent to the ganged switch serving as the virtual master control.
In the above method for synchronizing the states of the multi-control switches in the whole-house intelligent system, when the linked switch in step S1 is a non-virtual master, in step S3, the virtual master sends the state message to all other linked switches in the multi-control unit after synchronizing the state according to the message.
In the state synchronization method of the multi-control switches in the whole house intelligent system, each multi-control unit has a linkage switch as a virtual master control.
In the state synchronization method for the multi-control switches in the whole house intelligent system, binding relations with the virtual master control are stored in all the other linkage switches except the virtual master control in one multi-control unit so as to send the state message to the virtual master control when the state changes.
In the above method for synchronizing the states of the multi-control switches in the whole-house intelligent system, the linkage switches serving as the virtual master control in the multi-control unit store the binding relationships with all other linkage switches in the unit, so that when the states change, the state messages are sent to all other linkage switches in the multi-control unit.
In the state synchronization method for the multi-control switches in the whole-house intelligent system, one of the ganged switches in the multi-control units is designated as the virtual master control by the gateway in the corresponding whole-house intelligent system.
In the above method for synchronizing the states of the multi-control switches in the whole-house intelligent system, when the gateway detects that the ganged switch designated as the virtual master control is offline, other ganged switches are changed to serve as the virtual master control of the corresponding multi-control unit.
In the above method for synchronizing the states of the multi-control switches in the whole-house intelligent system, after step S3, the method further includes:
and S4, reporting the state information to the gateway by at least one linkage switch.
In the above method for synchronizing the states of the multi-control switches in the whole-house intelligent system, in step S4, the virtual master reports the state information to the gateway.
The invention has the advantages that:
the linkage switches in the multi-control unit are directly synchronized without passing through a gateway, so that the method has the advantages of high synchronization speed, no influence of a gateway network and the like, and the linkage switches can be synchronized without obstacles even if the gateway is down;
the pressure of the gateway cannot be increased because the gateway does not pass through the gateway, so that the speed of processing other tasks by the gateway is indirectly increased;
by adopting the virtual master control concept, the message quantity in the state synchronization process can be effectively reduced, and the synchronization efficiency is improved;
the method has a master control self-recovery mechanism, and when the linkage switch serving as the virtual master control is off-line due to a fault and the like, the gateway appoints other linkage switches as the virtual master control again, so that the stability and the safety of the synchronous network can be guaranteed.
Drawings
FIG. 1 is a method for synchronizing states of a ganged switch according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating a relationship between a gateway and a multi-control unit according to a second embodiment of the present invention;
FIG. 3 is a method for synchronizing states of the ganged switches according to a second embodiment of the present invention;
fig. 4 is a flowchart of a method for master self-recovery in the third embodiment of the present invention.
Reference numerals: a multi-control unit 1; a ganged switch 2; a gateway 3.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The whole-house intelligent system in the scheme is an intelligent system applied to the fields of families, hotels, offices, endowments, education and the like, for example, an intelligent home system, based on a Zigbee network, and a switch device which is provided with a Zigbee gateway and is accessed to the Zigbee gateway through the Zigbee network is arranged in one scene, and the method is mainly a multi-control switch state synchronization method based on a Zigbee3.0 network. In a typical home scenario, there will be a plurality of multi-control units 1, each multi-control unit 1 comprising two or three ganged switches 2 and a controlled device, such as a lamp, controlled by all ganged switches 2 in the respective multi-control unit 1. In other scenes with larger volume, more multi-control units 1 exist, and more than three multi-control units 1 of the ganged switch 2 also exist. In the prior art, each time the state of the multi-control unit 1 is switched, all the associated ganged switches 2 need to be synchronized through the gateway 3, a large amount of network space is occupied, and the network occupation problem, the synchronization delay problem and the like are more prominent in the scene that the more the multi-control units 1 are, the more the ganged switches 2 are. According to the scheme, a synchronous mode without passing through the gateway 3 is realized through a special technical means, state synchronization is directly completed by the gang switch 2, the network pressure of the gateway 3 can be greatly reduced, and meanwhile, the problems of synchronous delay caused by network problems and congestion problems of the gateway 3, the problem that state synchronization cannot be realized due to breakdown of the gateway 3 and the like are solved.
Example one
The embodiment provides a method for synchronizing the states of ganged switches 2 of multiple control units 1 in a whole-house intelligent system, wherein each multiple control unit 1 comprises a plurality of mutually associated ganged switches 2, the ganged switches 2 are used for controlling one controlled device in a linkage manner, and as shown in fig. 1, the state synchronization of the state that each ganged switch 2 in the multiple control unit 1 is separated from a gateway 3 is realized by the following specific method:
s1, changing the state of a linkage switch 2;
s2, the linked switch 2 sends a state message to all other linked switches 2 in the multi-control unit 1;
s3, after receiving the state messages, all other linked switches 2 finish state synchronization according to the message synchronization state;
and S4, reporting the state information to the gateway 3 by all the ganged switches 2 in the multi-control unit 1 or reporting the state information to the gateway 3 by any one ganged switch 2. The gateway 3 synchronizes the state information to the corresponding APP.
In this embodiment, all the ganged switches 2 in the multi-control unit 1 have a binding relationship with other ganged switches 2 in the unit, and the binding relationship is sent to each ganged switch 2 by the gateway 3. And after the state of any linkage switch 2 is changed, the state message is sent to other linkage switches 2 in the unit according to the binding relationship so as to realize state synchronization.
According to the scheme, the state messages are directly sent to other ganged switches 2 in the unit when the state of the ganged switch 2 is changed, the other ganged switches 2 are directly in the message synchronization state, the ganged switch can be completely separated from the gateway 3 to realize the multi-control function without passing through the gateway 3, the multi-control function is not influenced by the network of the gateway 3, the synchronization step can not cause pressure on the gateway 3 because the ganged switch does not pass through the gateway 3, and the speed of processing other tasks by the gateway 3 is indirectly improved. And all the multi-control units 1 in the same network are independent in the state synchronization process, and no matter how many multi-control units 1 in the network are, the synchronization of other multi-control units 1 is not influenced.
Example two
The present embodiment is similar to the present embodiment, except that, as shown in fig. 2, the gateway 3 designates one of the ganged switches 2 as a virtual master for each multi-control unit 1 in the present embodiment. The gateway 3 establishes a binding relationship between the virtual master control and all other ganged switches 2 in the unit in the virtual master control, and sends a state message to all other ganged switches 2 in the multi-control unit 1 according to the binding relationship after the state of the virtual master control is changed; and meanwhile, the binding relationship between the corresponding ganged switch 2 and the virtual master control is established in other ganged switches 2.
The specific method is shown in fig. 3:
s1, changing the state of a linkage switch 2;
s2, the linkage switch 2 judges whether the linkage switch is a virtual master control, if so, the step S3 is executed, otherwise, the step S4 is executed;
s3, sending the state message to all other ganged switches 2 in the multi-control unit 1, and synchronizing the state according to the message after the other ganged switches 2 receive the state message;
s4, sending a state message to the linkage switch 2 serving as the virtual master control, sending the state message to all other linkage switches 2 in the multi-control unit 1 after the virtual master control synchronizes the state according to the message, and synchronizing the state according to the message after the linkage switch 2 receives the state message;
and S5, reporting the state information to the gateway 3 by all the ganged switches 2 in the multi-control unit 1 respectively, or reporting the state information to the gateway 3 by the virtual master control. The gateway 3 synchronizes the state information to the corresponding APP.
In step S4, the other unsynchronized ganged switches 2 are synchronized according to the status of the message after receiving the status message sent by the virtual master, and the synchronized ganged switch 2 mainly refers to the ganged switch 2 in step S1, and the status is switched without resynchronization.
The method is exemplified by taking a scene with A, B, C, D four ganged switches 2 in one multi-control unit 1 as an example: the switch A is designated as a virtual master, when the state of the switch A changes due to operation, the switch A records the binding relationship with B, C, D, so that state messages are sent to the switches B, C and D, and the switches B, C and D return the state messages to the switch A after the synchronous state to complete synchronization; when the switch B changes state due to operation, the switch B records the binding relationship with the switch A, so that a state message is sent to the switch A, the switch A sends the state message to B, C, D according to the binding relationship after changing the state according to the message, at the moment, the state synchronization between the switch A and the switch B is completed, C, D returns the state message to the switch A after receiving the state message according to the message synchronization state, the synchronization is completed, and all the ganged switches 2 in the unit complete the state synchronization.
In the first embodiment, since all the ganged switches 2 are equal, the ganged switches 2 after synchronizing according to the status message will send the status message to all other ganged switches 2 in the unit because the status changes, so that there are many communication messages in the whole synchronization process. For example, there are A, B, C, D four ganged switches 2 in a multi-control unit 1, a switch a sends a status message to B, C, D after being operated to change the status, a switch B also sends a status message to A, C, D after changing the status according to the status message, similarly, a switch C also sends a status message to A, B, D after changing the status according to the status message, and a switch D also sends a status message to A, B, C after changing the status according to the status message. Finally, the switch a is required to confirm that the state of the switch a is consistent with the state messages respectively sent by the switch B, C, D, the switch B is required to confirm that the state of the switch B is consistent with the state messages respectively sent by the switch A, C, D, the switch C is required to confirm that the state of the switch C is consistent with the state messages respectively sent by the switch A, B, D, and the switch D is required to confirm that the state of the switch B is consistent with the state messages respectively sent by the switch A, B, C, so that the state synchronization of all the ganged switches 2 in the whole multi-control unit 1 is completed. Therefore, although there are still many advantages to the state synchronization method through the gateway 3 in the first embodiment, there still exists a significant disadvantage that the synchronization delay problem still exists. The scheme further improves the defects still existing in the first embodiment, the linked switch 2 serving as the virtual master control is used for communicating with other linked switches 2 to carry out state synchronization in a mode of designating one linked switch 2 as the virtual master control, the problem that each linked switch 2 sends a state message to the other linked switches 2 cannot occur, the number of messages in the state synchronization process can be effectively reduced, the synchronization efficiency is improved, and the synchronization delay problem is solved.
EXAMPLE III
In the second embodiment, a virtual master control concept is proposed, and one ganged switch 2 is designated as a virtual master control, so that unnecessary communication messages are greatly reduced, and the synchronization efficiency is improved. The ganged switch 2 is basically zero-pressure relative to the gateway 3, so the downtime probability of the ganged switch 2 is much lower than that of the gateway 3, but the low probability does not mean that the downtime is impossible, and under the condition that the virtual main control is crashed, the other normal ganged switches 2 in the multi-control unit 1 cannot be subjected to state synchronization. The embodiment provides a main control self-recovery means for the situation that the ganged switch 2 may be down.
In the whole-house intelligent system, the gateway 3 is networked with all the intelligent devices, the gateway 3 side can know the online and offline conditions of all the intelligent devices, and in case that the ganged switch 2 serving as the main control is down, the gateway 3 appoints the main control again based on the characteristic of the whole-house intelligent system to realize main control self-recovery under the condition that the virtual main control is down, so that the stability and the safety of the synchronous network are ensured, as shown in fig. 4, the specific method is as follows:
when the gateway 3 detects that the ganged switch 2 designated as the virtual master is offline, other ganged switches 2 are changed to be used as the virtual master of the corresponding multi-control unit 1, and the condition that the ganged switch 2 is offline includes the condition that the ganged switch 2 is offline in a fault, or the ganged switch 2 is deleted offline and the like.
The change mode is that other ganged switches 2 are appointed to be used as virtual main control of the corresponding multi-control unit 1, and the binding relation in each ganged switch 2 is changed; when the linkage switch which is originally the virtual master control is on line again, the virtual master control identity is cancelled, and meanwhile, the binding relationship of the linkage switch which is originally the virtual master control is changed, namely, the original binding relationship with all other linkage switches in the unit is changed into the binding relationship with the newly appointed virtual master control. The re-online comprises the situations of re-online, re-joining and the like.
Of course, the gateway 3 may send the offline condition to the corresponding APP and inform the user that the ganged switch 2 is currently in the offline state. In addition, the gateway 3 changes the binding relationship among the respective gang switches 2 while changing the designated virtual master.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although multi-control unit 1 is used more herein; a ganged switch 2; gateway 3, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. A linkage switch state synchronization method of multi-control units in a whole-house intelligent system is provided, wherein each multi-control unit comprises a plurality of linkage switches, and the method is characterized in that the state synchronization of each linkage switch in the multi-control units is realized through the following modes:
s1, changing the state of a linkage switch;
s2, the linkage switch sends a state message to other linkage switches in the unit;
and S3, synchronizing the state according to the message after the state message is received by other linked switches.
2. The method for synchronizing the states of the ganged switches of the multi-control units in the whole-house intelligent system according to claim 1, wherein in step S2, the ganged switches determine whether the ganged switches are virtual masters, and if so, the state messages are sent to all other ganged switches in the multi-control units, otherwise, the state messages are only sent to the ganged switches serving as the virtual masters.
3. The method for synchronizing the states of the ganged switches of the multi-control units in the whole house intelligent system according to claim 2, wherein when the ganged switch is the non-virtual master in step S1, the virtual master sends the state message to all other ganged switches in the multi-control unit after synchronizing the states according to the message in step S3.
4. The method of claim 3, wherein there is a ganged switch as a virtual master in each multi-control unit.
5. The method according to claim 4, wherein the binding relationship between the virtual master control and each of the other multi-control units is stored in the multi-control unit except the virtual master control, so as to send the status message to the virtual master control when the status changes.
6. The method according to claim 5, wherein the ganged switches in the multi-control unit serving as the virtual master control are stored with binding relationships with all other ganged switches in the unit, so that the status message is sent to all other ganged switches in the multi-control unit when the status changes.
7. The method of claim 6, wherein a gateway in the corresponding whole house intelligent system designates one of the ganged switches in the multi-control unit as the virtual master.
8. The method of claim 7, wherein when the gateway detects that the ganged switch designated as the virtual master is offline, other ganged switches are changed to serve as the virtual masters of the corresponding multi-control units.
9. The method for synchronizing the states of the ganged switches of the multi-control units in the whole house intelligent system according to claim 8, wherein the step S3 is followed by the step of:
and S4, reporting the state information to the gateway by at least one linkage switch.
10. The method for synchronizing the states of the multi-control unit linkage switches in the whole house intelligent system according to claim 9, wherein in step S4, the virtual master controller reports the state information to the gateway.
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