CN110958323A - Communication method for Internet of things device - Google Patents
Communication method for Internet of things device Download PDFInfo
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- CN110958323A CN110958323A CN201911267281.6A CN201911267281A CN110958323A CN 110958323 A CN110958323 A CN 110958323A CN 201911267281 A CN201911267281 A CN 201911267281A CN 110958323 A CN110958323 A CN 110958323A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
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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 relates to a communication method of an internet of things device suitable for an internet of things. The invention relates to a communication method of an internet of things device, which is implemented by an internet of things system, wherein the internet of things system comprises a main gateway, a plurality of sub-gateways and at least one internet of things device connected with each sub-gateway.
Description
Technical Field
The present invention relates to a configuration of connections between different types of switching system networks, and more particularly, to a communication method for an internet of things device suitable for an internet of things.
Background
In the prior art, a gateway can establish an internet of things system by connecting a plurality of internet of things devices without the capability of being connected to a communication network, when a user wants to control a target internet of things device of one of the internet of things devices to which the gateway is connected, the user is connected to the gateway through a using end of the user and transmits a control message to the gateway, and when the gateway receives the control message, the control message comprises a target device identification code corresponding to the target internet of things device and a control instruction, and the gateway transmits a control signal to the target internet of things device according to the control message so as to control the target internet of things device.
However, the prior art still has some drawbacks, because the number of the internet of things devices connectable under one gateway is limited, when a plurality of internet of things devices are connected to the same gateway, the control delay of the equipment is easily caused, and therefore, it is necessary to connect with the internet of things devices through a plurality of gateways for distributed management, however, different gateways are independent from each other and cannot communicate with each other, if the internet of things devices connected under each gateway are managed through the user terminal, the user terminal can only establish a connection with each gateway one by one to manage the internet of things devices connected under each gateway, and in addition, the management can only be individually controlled when managing the internet of things devices under each gateway, and it is difficult to integrate the control.
Disclosure of Invention
The invention aims to provide a network equipment communication method which can control an internet of things device under each gateway without establishing a connection between a user side and each gateway one by one and can integrate and control the internet of things devices under different gateways.
The purpose of the invention is realized by the following technical scheme:
the communication method of the internet of things device is implemented by an internet of things system, the internet of things system comprises a main gateway, a plurality of sub-gateways and at least one internet of things device connected under each sub-gateway, the communication method of the internet of things device comprises the following steps:
step (A) for each sub-gateway, the sub-gateway broadcasting a broadcast message including a sub-gateway identification code and a sub-gateway network protocol address;
step (B) when the master gateway receives the broadcast message, the master gateway transmits a network protocol address of the master gateway and an Internet of things device request to the corresponding slave gateway broadcasting the broadcast message;
step (C) when the sub-gateway corresponding to the broadcast message receives the network protocol address of the main gateway, the sub-gateway corresponding to the broadcast message establishes a connection with the main gateway according to the network protocol address of the main gateway;
step (D) when the sub-gateway corresponding to the broadcast message receives the request of the Internet of things device, the sub-gateway corresponding to the broadcast message transmits a reply message containing the device information of each Internet of things device connected below the sub-gateway to the main gateway;
and (E) when the main gateway receives the reply message, the main gateway stores the sub-gateway identification code of the sub-gateway corresponding to the broadcast message and the corresponding relation between the sub-gateway corresponding to the broadcast message and the device information of each internet-of-things device connected below the sub-gateway.
Preferably, in step (D), each device information includes a device identification code of the corresponding internet-of-things device and a device function type.
Preferably, the master gateway of the internet of things system is further connected to a user terminal via a communication network, and preferably, after step (E), further comprises the following steps:
(F) when the main gateway receives a control message from the user end, wherein the control message comprises a target Internet of things device identification code corresponding to one of the Internet of things devices and a control instruction, the main gateway obtains a target sub-gateway identification code corresponding to the target Internet of things device identification code according to the target Internet of things device identification code;
(G) the main gateway forwards the control message to a target sub-gateway corresponding to the target sub-gateway identification code according to the target sub-gateway identification code; and
(H) when the target sub-gateway receives the control message, the target sub-gateway generates a control signal and transmits the control signal to a target Internet of things device corresponding to the target Internet of things device identification code so as to control the target Internet of things device.
Preferably, after step (H), the following steps are further included:
(I) when the target internet of things device receives the control signal, the target internet of things device changes the state of the target internet of things device according to the control signal and transmits state data containing a state signal corresponding to the state of the target internet of things device and the identification code of the target internet of things device to the target sub-gateway;
(J) when the target sub-gateway receives the status data, the target sub-gateway generates and transmits a status message to the master gateway according to the target Internet of things device identification code of the target Internet of things device and the status signal; and
(K) when the master gateway receives the status message, the master gateway transmits the status message to the user end through the communication network, so that the user end displays the status of the target internet of things device according to the status message.
Preferably, in the step (D), each device information further includes a device status of the corresponding internet-of-things device;
in step (E), the master gateway further stores device information of each Internet of things device; and
in step (K), when the master gateway receives the status message, the master gateway further updates the device status corresponding to the target internet of things device according to the status message.
Preferably, the device function type of each internet-of-things device comprises one of a sensing type function related to sensing an environmental state and an operation type function related to starting operation.
Preferably, the master gateway further stores at least one determination rule, each determination rule is related to a sensing type internet of things device having a device function type belonging to a sensing type function and an operation type internet of things device corresponding to the sensing type internet of things device and having a device function type belonging to an operation type function, and the method further comprises the following steps after the step (E):
(L) when the sensing type internet of things device having the device function type belonging to the sensing type function generates and transmits a sensing data to the sub-gateway connected to the sensing type internet of things device, the sub-gateway connected to the sensing type internet of things device transfers the sensing data to the main gateway, wherein the sensing data includes a sensing signal generated by the sensing type internet of things device and a device identification code of the sensing type internet of things device;
(M) when the master gateway receives the sensing data, the master gateway determining whether to generate another control message to an operation-type internet-of-things device corresponding to the sensing-type internet-of-things device and having a device function type belonging to an operation-type function according to the sensing data and a determination rule corresponding to the sensing-type internet-of-things device;
(N) when the master gateway determines that another control message needs to be generated to the operation type Internet of things device, the master gateway generates the another control message corresponding to the operation type Internet of things device;
(O) when the master gateway generates the other control message corresponding to the operational type internet of things device, the master gateway obtaining a destination sub-gateway identification code corresponding to the device identification code of the operational type internet of things device according to the device identification code of the operational type internet of things device;
(P) the master gateway forwarding the another control message to a destination sub-gateway corresponding to the destination sub-gateway ID according to the destination sub-gateway ID; and
(Q) when the target sub-gateway receives the other control message, wherein the other control message comprises a device identification code corresponding to the operation type Internet of things device and a control instruction, the target sub-gateway generates a control signal according to the control message and transmits the control signal to the operation type Internet of things device corresponding to the operation type Internet of things device identification code so as to control the operation type Internet of things device.
Preferably, after the step (Q), the method further comprises the following steps:
(R) when the operation type Internet of things device receives the control signal, the operation type Internet of things device changes its own state according to the control signal and transmits a state signal corresponding to its own state and state data corresponding to the device identification code of the operation type Internet of things device to the destination sub-gateway;
(S) when the target sub-gateway receives the status data, the target sub-gateway generates and transmits a status message to the master gateway according to the device identification code of the operation type IOT and the status signal; and
(T) when the master gateway receives the status message, the master gateway updates the device status corresponding to the operation type Internet of things device according to the status message.
Preferably, the master gateway further stores at least one determination rule, each determination rule is associated with a first operation-type internet-of-things device having a device function type belonging to an operation type function and a second operation-type internet-of-things device corresponding to the first operation-type internet-of-things device and having a device function type belonging to an operation type function, and after step (E), further comprises the following steps:
(i) when the first operation type internet of things device generates and transmits a first state data to the sub-gateway connected with the first operation type internet of things device, the sub-gateway connected with the first operation type internet of things device transmits the first state data to the main gateway, wherein the first state data comprises a first state signal corresponding to the self state of the first operation type internet of things device and a device identification code of the first operation type internet of things device;
(ii) when the main gateway receives the first state data, the main gateway judges whether to generate another control message to a second operation type internet of things device corresponding to the first operation type internet of things device according to the first state data and a judgment rule corresponding to the first operation type internet of things device;
(iii) when the master gateway judges that another control message needs to be generated to the second operation type internet of things device, the master gateway generates the another control message corresponding to the second operation type internet of things device;
(iv) when the main gateway generates the other control message corresponding to the second operation type internet of things device, the main gateway obtains a relay sub-gateway identification code corresponding to the device identification code of the second operation type internet of things device according to the device identification code of the second operation type internet of things device;
(v) the main gateway forwards the other control message to a relay sub-gateway corresponding to the relay sub-gateway identification code according to the relay sub-gateway identification code; and
(vi) when the relay sub-gateway receives the other control message, wherein the other control message comprises a device identification code corresponding to the second operation type internet of things device and a control instruction, the relay sub-gateway generates a control signal according to the control message and transmits the control signal to the second operation type internet of things device corresponding to the device identification code of the second operation type internet of things device so as to control the second operation type internet of things device. Preferably, the method further comprises the following steps after the step (E):
(U) an add-on request is broadcast by a device of an internet of things to be connected, the add-on request including a new device identification code and a new device function type corresponding to the device of the internet of things to be connected;
(V) when a specific sub-gateway of the sub-gateways receives the join request, the specific sub-gateway authenticates the Internet of things device to be connected; and
(W) when the specific sub-gateway successfully authenticates the internet of things device to be connected, the specific sub-gateway establishes connection with the internet of things device to be connected and stores device information of the internet of things device to be connected.
The invention has the beneficial effects that: the invention establishes a connection between each sub-gateway and the main gateway, and stores the corresponding relation between the identification code of each sub-gateway and the device information of each internet-of-things device connected under the identification code through the main gateway, so that each internet-of-things device among different sub-gateways can be controlled through the main gateway, and the aim of integrated control is achieved.
Drawings
FIG. 1 is a block flow diagram of the present invention;
FIG. 2 is a flow chart of a setup procedure of the present invention;
FIG. 3 is a flow chart of a new program of the present invention;
FIG. 4 is a flowchart of a process of using end-point control;
FIG. 5 is a flowchart of an end-control procedure of the sensing type physical connection device of the present invention.
Detailed Description
In order to further explain the technical scheme of the invention, the following detailed description is combined with the accompanying drawings.
Referring to fig. 1 and 2, the communication method of the internet of things device of the present invention is implemented by an internet of things system, which includes a user 2, a main gateway 1 connected to the user 2 via a communication network 100, a plurality of sub-gateways 11, and at least one internet of things device 12 connected under each sub-gateway 11.
The following describes an embodiment of the communication method of the internet of things device implemented by the internet of things system with reference to the accompanying drawings, where the embodiment sequentially includes an establishing procedure, a new adding procedure, a user end control procedure, a sensing type internet of things device end control procedure, and an operating type internet of things device end control procedure.
Referring to fig. 2, the establishing procedure describes how to establish a connection between each sub-gateway 11 and the main gateway 1, and how to establish a corresponding relationship between each sub-gateway 11 and the internet of things devices 12, and includes a step 301, a step 302, a step 303, a step 304, and a step 305. Since the connection of each sub-gateway 11 and the establishment process of the corresponding relationship are similar, only a single sub-gateway 11 will be described in the following description.
In step 301, the sub-gateway 11 broadcasts a broadcast message including a sub-gateway identification code and a sub-gateway network protocol address, wherein the sub-gateway identification code and the sub-gateway network protocol address correspond to the sub-gateway 11, and the broadcast message further includes other basic messages, such as a manufacturer name corresponding to the sub-gateway 11, and a software and hardware version number corresponding to the sub-gateway 11.
In step 302, when the master gateway 1 receives the broadcast message, the master gateway 1 transmits a master gateway network protocol address and an internet of things device request to the slave gateway 11, and it should be noted that the master gateway 1 also transmits a plurality of basic messages, such as the manufacturer name corresponding to the master gateway 1 and the software/hardware version number corresponding to the master gateway 1, to the slave gateway 11.
In step 303, when the sub-gateway 11 receives the IP address of the main gateway, the sub-gateway 11 establishes a connection with the main gateway 1 according to the IP address of the main gateway.
In step 34, when the sub-gateway 11 receives the request of the internet-of-things device, the sub-gateway 11 generates and transmits a reply message containing device information of each internet-of-things device 12 connected thereunder to the main gateway 1. Wherein each device information includes a device identification code, a device function type, and a device status of the corresponding internet-of-things device 12.
It should be noted that each device function type includes a sensing type function related to sensing an environmental condition and an operation type function related to activating an operation, for example, an internet of things device with a sensing type function, such as an aerosol detector or a date detector, capable of sensing an environmental condition; the operation-type internet-of-things device may be, for example, an intelligent light bulb or an intelligent gardening watering device, and the like, but is not limited thereto. Each device state represents an operating state of the internet-of-things device 12, for example, the device state of an intelligent light bulb can be an on state for emitting light and an off state for not emitting light.
In step 305, when the master gateway 1 receives the reply message, the master gateway 1 stores the sub-gateway identification code of the sub-gateway 11, the corresponding relationship of the device information of each of the devices 12 connected under the sub-gateway 11, and the device information of each of the devices 12, in this embodiment, the main gateway connects the sub-gateway identification code, the Internet of things device 12 connected under the sub-gateway, for example, the device ID and device information of the intelligent light bulb are stored in a device list, wherein the device list records the device identification code of the intelligent light bulb as 55667788, the device function type of the internet-of-things device with the sub-gateway identification code 11223344, the device identification code 55667788 corresponding to the device identification code 55667788 of the intelligent light bulb is an operation type, and the device status of the internet-of-things device is an off state.
Referring to fig. 3, the new procedure illustrates how an internet-of-things device 12 to be connected establishes a connection with one of the sub-gateways 11 to be connected, and includes a step 401, a step 402, and a step 403. In step 401, the to-be-connected device 12 broadcasts a join request including the new device id, the new device function type, and the device status of the to-be-connected device according to a new device id and a new device function type corresponding to the to-be-connected device 12. In step 402, when one of the sub-gateways 11 to be connected receives the join request, the sub-gateway 11 to be connected authenticates the internet-of-things device 12 to be connected, wherein the join request is encrypted in an encryption manner, and the sub-gateway 11 to be connected stores an encryption protocol for determining whether the encryption manner of the join request is correct, for example, the sub-gateway 11 to be connected confirms whether the join request conforms to the encryption manner by an encryption key. When the sub-gateway to be connected 11 determines that the encryption mode of the join request is incorrect, the new program is ended, and when the sub-gateway to be connected 11 determines that the encryption mode of the join request is correct, the sub-gateway to be connected 11 successfully authenticates the internet-of-things device to be connected 12, and the process proceeds to step 403.
In step 403, the to-be-connected sub-gateway 11 establishes a connection with the to-be-connected internet-of-things device 12, and stores device information of the to-be-connected internet-of-things device 12 according to the join request.
Referring to fig. 4, the user terminal control program illustrates that the user terminal 2 controls a target internet of things device 12 through an input operation of a user, and includes a step 501, a step 502, a step 503, a step 504, a step 505, a step 506, a step 507, a step 508, and a step 509.
In step 501, the user end 2 generates a control message through the user input operation, and transmits the control message to the master gateway 1 through the communication network 100, wherein the control message includes a target internet of things device identification code and a control command corresponding to the target internet of things device 12. For example, when a user wants to control the intelligent light bulb in the internet of things system, the user generates a control message through the user terminal 2 and transmits the control message to the master gateway 1 through the communication network 100, wherein the control message includes a target internet of things device identification code 55667788 corresponding to the intelligent light bulb and a control command related to an internet of things device with an opening device identification code 55667788.
In step 502, when the master gateway 1 receives the control message, the master gateway 1 obtains a target sub-gateway identification code corresponding to the target internet-of-things device identification code according to the target internet-of-things device identification code. It should be noted that in this embodiment, the master gateway 1 obtains a target sub-gateway identification code corresponding to the target device identification code according to the target device identification code and the device list, taking the target device identification code 55667788 as an example, the master gateway 1 obtains the sub-gateway identification code corresponding to the target device identification code 55667788 as 11223344 according to the target device identification code and the device list.
In step 503, the master gateway forwards the control message to a target sub-gateway 11 corresponding to the target sub-gateway identification code according to the target sub-gateway identification code.
In step 504, when the target sub-gateway 11 receives the control message, the target sub-gateway 11 generates a control signal according to the control message, and transmits the control signal to the target internet-of-things device 12 corresponding to the target internet-of-things device identification code according to the target internet-of-things device identification code. For example, the target sub-gateway 11 generates an on control signal according to the control message related to the internet-of-things device with the on device identification code of 55667788, and transmits the on control signal to the intelligent light bulb according to the target internet-of-things device identification code 55667788.
In step 505, when the target internet of things device 12 receives the control signal, the target internet of things device 12 changes its own state according to the control signal, and simultaneously generates and transmits a state data to the target sub-gateway 11 corresponding to the target internet of things device 12, wherein the state data includes the target internet of things device identification code corresponding to the target internet of things device 12 and a state signal corresponding to its own state. For example, when the smart light receives the control signal, the smart light switches to an on state according to the control signal and transmits a status data to the target sub-gateway 11, wherein the status data includes the device identification code 55667788 and a status signal indicating that the device status of the internet-connected device corresponding to the device identification code 55667788 is an on state.
In step 506, when the target sub-gateway 11 receives the status data, the target sub-gateway 11 generates and transmits a status message including the target internet-of-things device id and the status signal to the master gateway 1 according to the target internet-of-things device id and the status signal of the target internet-of-things device 12. For example, when the target sub-gateway 11 receives the status signal transmitted by the intelligent light bulb, the target sub-gateway generates and transmits a status message to the master gateway 1, which includes the target internet of things device identification code of the intelligent light bulb and is related to the intelligent light bulb being in the on state.
In step 507, when the master gateway 1 receives the status message, the master gateway 1 transmits the status message to the user end 2.
On the other hand, in step 508, when the master gateway 1 receives the status message, the master gateway 1 updates the device status of the device information corresponding to the target internet-of-things device 12 according to the status message. For example, when the master gateway 1 receives the status message related to the smart bulb, the master gateway 1 updates the device status of the smart bulb to be on according to the status message.
In step 509, when the status message is sent to the user terminal 2, the status message displays the device status of the target internet-of-things device 12 at the user terminal 2. For example, when the status message related to the intelligent light bulb is transmitted to the user terminal 2, the status message indicates that the intelligent light bulb is turned on at the user terminal 2.
For example, the main gateway 1 is connected to a first target sub-gateway 11, a second target sub-gateway 11, and a third target sub-gateway 11, the first target sub-gateway 11 is connected to a first target internet of things device 12, wherein the first target internet of things device 12 is an intelligent curtain, similarly, the second target sub-gateway 12 and the third target sub-gateway 12 are respectively connected to an intelligent curtain, when a user wants to open the intelligent curtains simultaneously, the user generates a control message related to opening the intelligent curtains through the user terminal 2, and then the user terminal transmits the control message to the main gateway 1 through the communication network 100, wherein the control message includes target internet of things device identification codes of the intelligent curtains, and a control command related to opening the target internet of things device 12 corresponding to the target internet of things device identification codes, when the master gateway 1 receives the control message, the master gateway 1 obtains a plurality of target sub-gateway identification codes corresponding to the target internet-of-things device identification codes according to the target internet-of-things device identification codes, and forwards the control message to the first target sub-gateway 11, the second target sub-gateway 11, and the third target sub-gateway 11 respectively corresponding to the target sub-gateway identification codes, when the first target sub-gateway 11 receives the control message, the first target sub-gateway 11 generates a control signal according to the control message, and forwards the control signal to the first target internet-of-things device 12 according to the target internet-of-things device identification code corresponding to the first target internet-of-things device 12, that is, the intelligent window curtain, similarly, the second target sub-gateway 11 and the third target sub-gateway 11 send the control signal to the second target sub-gateway 11 connected to the second target sub-gateway 11 The sub-gateway 11 and the third target sub-gateway 11, and when the intelligent curtains receive the control signals, the intelligent curtains switch to an open state according to the received control signals, and respectively transmit a state data containing a target Internet of things device identification code and a state signal corresponding to the intelligent curtains to the first target sub-gateway 11, the second target sub-gateway 11, and the third target sub-gateway 11, wherein the state signal indicates that the intelligent curtains are in the open state, when the first target sub-gateway 11 receives the state data, the first target sub-gateway 11 generates and transmits a state message containing the target Internet of things device identification code of the intelligent curtains and related to the open state of the intelligent curtains to the main gateway 1 according to the state data, and similarly, the second target sub-gateway 11 and the third target sub-gateway 11 respectively transmit a status message to the main gateway 1, when the main gateway 1 receives the status message, the main gateway 1 updates the device status of the intelligent curtains to be open, and on the other hand, the main gateway 1 transmits the status message to the user end 2, so that the user end 2 displays that the intelligent curtains are open.
Referring to fig. 5, the sensing-type internet-of-things device control program illustrates how a sensing-type internet-of-things device 12 having a device function type belonging to a sensing-type function changes a device state of the sensing-type internet-of-things device 12 having a device function type belonging to an operation-type function and corresponding to the sensing-type internet-of-things device, and includes a step 601, a step 602, a step 603, a step 604, a step 605, a step 606, a step 607, a step 608, a step 609, and a step 610.
It should be noted that the user end generates and transmits at least one determination rule to the main gateway 1 through the input operation of the user, so that the main gateway 1 stores the at least one determination rule in advance, wherein each determination rule has a condition portion and a control portion, the condition portion includes a device identification code of a sensing type internet of things device 12 having a device function type belonging to a sensing type function, and a trigger condition for determining whether the sensing signal of the sensing type internet of things device 12 conforms to a condition state, the control portion includes a device identification code of an operation type internet of things device 12 corresponding to the sensing type internet of things device and having a device function type belonging to an operation type function, and a control action for indicating control related to the operation type internet of things device 12, for example, a photo detector belonging to the sensing type internet of things device 12, the device identification code is 11335577, an intelligent curtain belongs to the operating type internet-of-things device 12, the device identification code is 22446688, the condition part related to the sunshine detector and the determination rule of the intelligent curtain comprises the device identification code 11335577, the triggering condition is that a detection value transmitted by the internet-of-things device with the device identification code 11335577 is higher than a preset threshold value, the control part comprises the device identification code 22446688, and the control action is to enable the internet-of-things device with the device identification code 22446688 to be in a sunshade state.
In step 601, the sensing-type internet of things device 12 generates and transmits sensing data to a sub-gateway 11 (hereinafter, referred to as a first sub-gateway 11) corresponding to the sensing-type internet of things device 12, wherein the sensing data includes a sensing signal related to a detected value detected by the sensing-type internet of things device 12 and a sensing-type internet of things device identifier corresponding to the sensing-type internet of things device 12. For example, the sunshine detector generates a sensing signal related to the detected illuminance value, and transmits a sensing data including the sensing signal and the device identification code 11335577 corresponding to the sunshine detector to the first sub-gateway 11 corresponding to the sunshine detector.
In step 602, when the first sub-gateway 11 receives the sensing data, the first sub-gateway 11 forwards the sensing data to the main gateway 1.
In step 603, when the master gateway 1 receives the sensing data, the master gateway 1 determines whether to generate another control message to the operational type internet of things device 12 having a device function type that is an operational type function and corresponding to the sensing type internet of things device according to a determination rule corresponding to the sensing type internet of things device 12 (i.e., a determination rule having a sensing type internet of things device identification code corresponding to the sensing type internet of things device 12), ends the internet of things device end control procedure when it determines that another control message is not required, and proceeds to step 604 when it determines that another control message is required to be generated to the operational type internet of things device 12. For example, when the master gateway 1 receives the sensing data, the master gateway 1 determines whether to generate another control message according to the determination rule corresponding to the device identification code 11335577, and when the master gateway 1 determines that the detected value of the internet-of-things device with the device identification code 11335577 is greater than the predetermined threshold, the master gateway generates another control message.
In step 604, when the master gateway 1 determines that the other control message needs to be generated to the operation-type internet of things device 12, the master gateway 1 generates the other control message corresponding to the operation-type internet of things device, for example, the master gateway 1 generates the other control message according to the determination rule corresponding to the device identification code 11335577, wherein the other control message includes the device identification code 22446688 and the control command for operating the internet of things device with the device identification code of 22446688 in the sunshade state.
In step 605, when the master gateway 1 generates the another control message, the master gateway 1 obtains a destination sub-gateway identification code corresponding to the operation-type physical connection device identification code according to the operation-type physical connection device identification code corresponding to the operation-type physical connection device 12.
In step 606, the master gateway 1 transmits the another control message to the destination sub-gateway 11 corresponding to the destination sub-gateway ID according to the destination sub-gateway ID.
In step 607, when the target sub-gateway 11 receives the other control message, the target sub-gateway 11 generates a control signal according to the other control message and transmits the control signal to the operation-type internet-of-things device 12 corresponding to the operation-type internet-of-things device identification code according to the operation-type internet-of-things device identification code in the other control message, for example, the target sub-gateway 11 generates a control signal indicating to switch the state to the sunshade state according to the other control message and transmits the control signal to the intelligent window shade corresponding to the device identification code 22446688 according to the device identification code 22446688.
In step 608, when the operation-type internet-of-things device 12 receives the control signal, the operation-type internet-of-things device 12 changes its own state according to the control signal and transmits a state signal corresponding to its own state and the operation-type internet-of-things device identification code to the destination sub-gateway 11, for example, when the intelligent curtain receives the control signal, the intelligent curtain changes its state to a sunshade state and transmits a state signal related to the state change to the sunshade state and the device identification code 22446688 corresponding to the intelligent curtain to the destination sub-gateway 11 corresponding to the intelligent curtain.
In step 609, when the target sub-gateway 11 receives the status signal and the operation-type internet-of-things device identification code, the target sub-gateway 11 generates a status message containing the operation-type internet-of-things device identification code and the status signal and transmits the status message to the master gateway 1.
In step 610, when the master gateway 1 receives the status message, the master gateway 1 updates the device status and device information corresponding to the operating type internet of things device according to the status message, for example, when the master gateway 1 receives the status message corresponding to the internet of things device with device identification code 22446688, wherein the status message is the status of the internet of things device corresponding to device identification code 22446688 is a sunshade status, the master gateway 1 updates the device status of the internet of things device corresponding to device identification code 22446688 stored in the master gateway 1 according to the status message to be a sunshade status.
The operation type physical connection device end control program is similar to the sensing type physical connection device end control program, and the same parts are not repeated, and the difference lies in that: for each determination rule, the condition portion of the determination rule may also include a device identification code of a first operation-type internet-of-things device 12 having a device function type belonging to an operation-type function, and a trigger condition for determining whether the device status of the first operation-type internet-of-things device 12 meets a condition status, the control portion includes a device identification code of a second operation-type internet-of-things device 12 corresponding to the first operation-type internet-of-things device and having a device function type belonging to an operation-type function, and a control action for indicating control related to the second operation-type internet-of-things device 12, in step 601, a first status data is generated by the first operation-type internet-of-things device 12 and transmitted to a sub-gateway connected to the first operation-type internet-of things device, wherein the first status data includes a first status signal corresponding to the self status of the first operation-type internet-of-things device, and the device identification code of the first operation type internet of things device, in the step 603, when the main gateway 1 receives the first status data, the main gateway updates the device status corresponding to the operation type internet of things device according to the first status data; and determining whether another control message is generated to the second operation type internet of things device corresponding to the first operation type internet of things device according to the determination rule corresponding to the first operation type internet of things device 12, ending the operation type internet of things device end control program when it is determined that another control message is not required to be generated, and performing the steps 604-610 when it is determined that another control message is required to be generated to the second operation type internet of things device 12.
For example, a fourth target sub-gateway 11 connected to the main gateway 1 is connected to a reed switch and an acousto-optic alarm belonging to the function of operation type, a fifth target sub-gateway 11 and a sixth target sub-gateway 11 connected to the main gateway 1 are respectively connected to an acousto-optic alarm belonging to the function of operation type, and the main gateway 1 stores a determination rule related to the reed switch and the acousto-optic alarms, wherein the condition part of the determination rule includes the device identification code of the reed switch, the trigger condition is that the IOT 12 corresponding to the device identification code of the reed switch is switched to the on state, the control part includes the device identification codes of the acousto-optic alarms, the control action is that the IOT corresponding to the device identification codes of the acousto-optic alarms is switched to the on state, when the reed switch generates and transmits a device identification code including the reed switch and the state of the reed switch When the state data of the number is transmitted to the fourth target sub-gateway 11, the fourth target sub-gateway 11 transfers the state data to the main gateway 1, the main gateway updates the state of the reed switch to the on state according to the state data, generates a control message corresponding to the acousto-optic alarms according to the determination rule, and transmits the control message to the fourth target sub-gateway 11, the fifth target sub-gateway 11, and the sixth target sub-gateway 11 according to the device identification code of the acousto-optic alarms, respectively, the fourth target sub-gateway 11 generates a control signal switched to the on state according to the control message, and transmits the control signal to the acousto-optic alarms connected to the fourth target sub-gateway 11 according to the control message, similarly, the fifth target sub-gateway 11 and the sixth target sub-gateway 11 generate a control signal and transmit the control signal to the acousto-optic alarms connected to themselves, respectively, when the acousto-optic alarms receive the control signals corresponding to the acousto-optic alarms, respectively, the acousto-optic alarms are switched to an on state to emit warning sound and warning light, and transmit the state signals and device identification codes corresponding to the acousto-optic alarms to the fourth target sub-gateway 11, the fifth target sub-gateway 11, and the sixth target sub-gateway 11, respectively, when the fourth target sub-gateway 11 receives the state signals and device identification codes corresponding to the acousto-optic alarms connected thereto, the fourth target sub-gateway 11 generates and transmits a state message including the device identification code of the acousto-optic alarms and the state signals of the acousto-optic alarms to the main gateway 1, similarly, the fifth target sub-gateway 11 and the sixth target sub-gateway 11 generate and transmit a state message including the device identification code of the acousto-optic alarms connected thereto and the state signals of the acousto-optic alarms to the main gateway 1, respectively, when the master gateway 1 receives the status messages, it updates the status of the acousto-optic alarms to be on status according to the status messages.
To sum up, the communication method of internet of things device of the present invention establishes a connection with the main gateway 1 through each sub-gateway 11, wherein the main gateway 1 further stores an identification code of each sub-gateway, a corresponding relationship of device information of each internet of things device 12 connected under each sub-gateway 11, and the determination rules, so that the user end 2 can perform a comprehensive management on all internet of things devices only by connecting to the main gateway 1, for example, transmitting a control message to the main gateway 1 to control the internet of things devices 12 without individually establishing a connection with each sub-gateway 11 for individual control, on the other hand, the main gateway 1 stores the determination rules, when the sensing type internet of things devices 12 generate and transmit the sensing data to the main gateway 1, the main gateway 1 can control the operation type internet of things devices 12 corresponding to the sensing type internet of things devices 12 according to the determination rules, that is, in the internet of things system, the management of the main gateway 1 can automatically activate the internet of things devices 12, and the message of each internet of things device under each sub-gateway 11 can be transmitted to the main gateway 1 for integrated management, so as to achieve the effect of integrated control and management, thereby achieving the purpose of the present invention.
The product form of the present invention is not limited to the embodiments and examples shown in the present application, and any suitable changes or modifications of the similar ideas should be made without departing from the patent scope of the present invention.
Claims (10)
1. A communication method of Internet of things devices is implemented by an Internet of things system, which comprises a main gateway, a plurality of sub-gateways and at least one Internet of things device connected below each sub-gateway, and is characterized in that: the communication method of the Internet of things device comprises the following steps:
(A) for each sub-gateway, the sub-gateway broadcasting a broadcast message including a sub-gateway identifier and a sub-gateway network protocol address;
(B) when the main gateway receives the broadcast message, the main gateway transmits a network protocol address of the main gateway and an Internet of things device request to the sub-gateway correspondingly broadcasting the broadcast message;
(C) when the sub-gateway corresponding to the broadcast message receives the network protocol address of the main gateway, the sub-gateway corresponding to the broadcast message establishes a connection with the main gateway according to the network protocol address of the main gateway;
(D) when the sub-gateway corresponding to the broadcast message receives the request of the Internet of things device, the sub-gateway corresponding to the broadcast message transmits a reply message containing device information of each Internet of things device connected thereunder to the main gateway; and
(E) when the master gateway receives the reply message, the master gateway stores the sub-gateway identification code corresponding to the sub-gateway broadcasting the broadcast message, and the corresponding relationship between the sub-gateway identification code and the device information of each Internet of things device connected to the sub-gateway broadcasting the broadcast message.
2. The method of claim 1, wherein: in step (D), each device information includes a device identification code and a device function type of the corresponding internet-of-things device.
3. The method of claim 2, wherein: the main gateway of the internet of things system is further connected to a user end through a communication network, and after the step (E), the method further comprises the following steps:
(F) when the main gateway receives a control message from the user end, wherein the control message comprises a target Internet of things device identification code corresponding to one of the Internet of things devices and a control instruction, the main gateway obtains a target sub-gateway identification code corresponding to the target Internet of things device identification code according to the target Internet of things device identification code;
(G) the main gateway forwards the control message to a target sub-gateway corresponding to the target sub-gateway identification code according to the target sub-gateway identification code; and
(H) when the target sub-gateway receives the control message, the target sub-gateway generates a control signal and transmits the control signal to a target Internet of things device corresponding to the target Internet of things device identification code so as to control the target Internet of things device.
4. The method of claim 3, wherein: after the step (H), further comprising the steps of:
(I) when the target internet of things device receives the control signal, the target internet of things device changes the state of the target internet of things device according to the control signal and transmits state data containing a state signal corresponding to the state of the target internet of things device and the identification code of the target internet of things device to the target sub-gateway;
(J) when the target sub-gateway receives the status data, the target sub-gateway generates and transmits a status message to the master gateway according to the target Internet of things device identification code of the target Internet of things device and the status signal; and
(K) when the master gateway receives the status message, the master gateway transmits the status message to the user end through the communication network, so that the user end displays the status of the target internet of things device according to the status message.
5. The method of claim 4, wherein the method comprises: in step (D), each device information further includes a device status of the corresponding Internet of things device; in step (E), the master gateway further stores device information of each Internet of things device; and in step (K), when the master gateway receives the status message, the master gateway also updates the device status corresponding to the target Internet of things device according to the status message.
6. The method of claim 5, wherein: the device function type of each internet-of-things device comprises one of a sensing type function related to sensing an environmental state and an operation type function related to starting operation.
7. The method of claim 6, wherein: the main gateway further stores at least one determination rule, each determination rule is related to a sensing type internet of things device having a device function type belonging to a sensing type function, and an operation type internet of things device corresponding to the sensing type internet of things device and having a device function type belonging to an operation type function, and the method further comprises the following steps after the step (E):
(L) when the sensing type IOT device with the device function type belonging to the sensing type function generates and transmits a sensing data to the sub-gateway connected with the sensing type IOT device, the sub-gateway connected with the sensing type IOT device transmits the sensing data to the main gateway, wherein the sensing data comprises a sensing signal generated by the sensing type IOT device and a device identification code of the sensing type IOT device;
(M) when the master gateway receives the sensing data, the master gateway determining whether to generate another control message to an operation-type internet-of-things device corresponding to the sensing-type internet-of-things device and having a device function type belonging to an operation-type function according to the sensing data and a determination rule corresponding to the sensing-type internet-of-things device;
(N) when the master gateway determines that another control message needs to be generated to the operation type Internet of things device, the master gateway generates the another control message corresponding to the operation type Internet of things device;
(O) when the master gateway generates the other control message corresponding to the operational type internet of things device, the master gateway obtaining a destination sub-gateway identification code corresponding to the device identification code of the operational type internet of things device according to the device identification code of the operational type internet of things device;
(P) the master gateway forwarding the another control message to a destination sub-gateway corresponding to the destination sub-gateway ID according to the destination sub-gateway ID; and
(Q) when the target sub-gateway receives the other control message, wherein the other control message comprises a device identification code corresponding to the operation type Internet of things device and a control instruction, the target sub-gateway generates a control signal according to the control message and transmits the control signal to the operation type Internet of things device corresponding to the operation type Internet of things device identification code so as to control the operation type Internet of things device.
8. The method of claim 7, wherein: after the step (Q), further comprising the steps of:
(R) when the operation type Internet of things device receives the control signal, the operation type Internet of things device changes its own state according to the control signal and transmits a state signal corresponding to its own state and state data corresponding to the device identification code of the operation type Internet of things device to the destination sub-gateway;
(S) when the target sub-gateway receives the status data, the target sub-gateway generates and transmits a status message to the master gateway according to the device identification code of the operation type IOT and the status signal; and
(T) when the master gateway receives the status message, the master gateway updates the device status corresponding to the operation type Internet of things device according to the status message.
9. The method of claim 6, wherein: the main gateway further stores at least one determination rule, each determination rule is related to a first operation type internet of things device having a device function type belonging to operation type functions and a second operation type internet of things device corresponding to the first operation type internet of things device and having a device function type belonging to operation type functions, and the method further comprises the following steps after the step (E):
(i) when the first operation type internet of things device generates and transmits a first state data to the sub-gateway connected with the first operation type internet of things device, the sub-gateway connected with the first operation type internet of things device transmits the first state data to the main gateway, wherein the first state data comprises a first state signal corresponding to the self state of the first operation type internet of things device and a device identification code of the first operation type internet of things device;
(ii) when the main gateway receives the first state data, the main gateway judges whether to generate another control message to a second operation type internet of things device corresponding to the first operation type internet of things device according to the first state data and a judgment rule corresponding to the first operation type internet of things device;
(iii) when the master gateway judges that another control message needs to be generated to the second operation type internet of things device, the master gateway generates the another control message corresponding to the second operation type internet of things device;
(iv) when the main gateway generates the other control message corresponding to the second operation type internet of things device, the main gateway obtains a relay sub-gateway identification code corresponding to the device identification code of the second operation type internet of things device according to the device identification code of the second operation type internet of things device;
(v) the main gateway forwards the other control message to a relay sub-gateway corresponding to the relay sub-gateway identification code according to the relay sub-gateway identification code; and
(vi) when the relay sub-gateway receives the other control message, wherein the other control message comprises a device identification code corresponding to the second operation type internet of things device and a control instruction, the relay sub-gateway generates a control signal according to the control message and transmits the control signal to the second operation type internet of things device corresponding to the device identification code of the second operation type internet of things device so as to control the second operation type internet of things device.
10. The method of claim 1, wherein: the following steps are also included after the step (E):
(U) an add-on request is broadcast by a device of an internet of things to be connected, the add-on request including a new device identification code and a new device function type corresponding to the device of the internet of things to be connected;
(V) when a specific sub-gateway of the sub-gateways receives the join request, the specific sub-gateway authenticates the Internet of things device to be connected; and
(W) when the specific sub-gateway successfully authenticates the internet of things device to be connected, the specific sub-gateway establishes connection with the internet of things device to be connected and stores device information of the internet of things device to be connected.
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