CN113839811A - Intelligent circuit breaker self-description information interaction method and system based on Lwm2m protocol - Google Patents
Intelligent circuit breaker self-description information interaction method and system based on Lwm2m protocol Download PDFInfo
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- CN113839811A CN113839811A CN202111030293.4A CN202111030293A CN113839811A CN 113839811 A CN113839811 A CN 113839811A CN 202111030293 A CN202111030293 A CN 202111030293A CN 113839811 A CN113839811 A CN 113839811A
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1073—Registration or de-registration
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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
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/54—Presence management, e.g. monitoring or registration for receipt of user log-on information, or the connection status of the users
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Abstract
The invention relates to an intelligent circuit breaker self-description information interaction method and system based on Lwm2m protocol, comprising the following steps: after the intelligent circuit breaker is registered with the side equipment, the intelligent circuit breaker performs a request response interaction process of self-description information with the side equipment based on a resource definition mode of an Lwm2m protocol; the intelligent breaker performs a subscription and release interaction process of self-description information with the edge device based on a resource definition mode of an Lwm2m protocol; the invention solves the problem of insufficient network bandwidth caused by using a traditional transmission mode by utilizing the characteristic that the lightweight Internet of things protocol Lwm2m transmits lightweight messages. The invention also establishes a network topology of a set of 'end-edge-cloud' model, ensures the reliable transmission of self-description information and realizes hierarchical management on equipment.
Description
Technical Field
The invention relates to the field of computers, networks and the Internet of things, in particular to an intelligent circuit breaker self-description information interaction method and system based on an Lwm2m protocol.
Background
The gradual development of the smart grid brings about the rapid increase of electric equipment, and in order to ensure the electric safety of a large amount of equipment, various equipment is provided with a smart breaker, and the link of a corresponding link is closed in time to ensure the electric safety when a dangerous case is found.
The proliferation of equipment has brought obvious problems to the installation of circuit breakers: if the conventional method of manually connecting the devices to the network is used, because the number of the devices is too large, management of the circuit breaker is a subject of responsibility, and even if a dangerous situation is found, a technician may not know that the dangerous situation occurs or cannot perform correct operation in time. Secondly, due to the limitation of cost, even if a method capable of automatically connecting the circuit breaker to the network is provided, in the process of transmitting the equipment information upwards, if a traditional transmission protocol is used, the information uploading can fail due to the shortage of network bandwidth.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an intelligent circuit breaker self-description information interaction method based on an Lwm2m protocol, which comprises the following steps:
after the intelligent circuit breaker is registered with the side equipment, the intelligent circuit breaker performs a request response interaction process of self-description information with the side equipment based on a resource definition mode of an Lwm2m protocol;
the intelligent breaker performs a subscription and publishing interaction process of self-description information with the edge device based on a resource definition mode of an Lwm2m protocol.
Preferably, the intelligent circuit breaker performs a request response interaction process of self-description information with the edge device based on a resource definition mode of the Lwm2m protocol, including:
when the intelligent circuit breaker receives a request message sent by the side equipment, compiling the self-description information of the intelligent circuit breaker into a plurality of response messages in a resource definition mode of Lwm2m protocol and sending the response messages to the side equipment;
wherein, the request message is compiled in a resource definition mode of Lwm2m protocol.
Preferably, the subscription and publication interaction process of the self-description information between the intelligent circuit breaker and the edge device based on the resource definition mode of the Lwm2m protocol includes:
after receiving a subscription message sent by the edge device, the intelligent circuit breaker compiles variable information subscribed by the edge device into a response message in a resource definition mode of an Lwm2m protocol at a certain time frequency and sends the response message to the edge device;
wherein the variable information is included in self-description information of the intelligent circuit breaker.
Preferably, the process of registering the intelligent circuit breaker with the edge device is as follows:
the intelligent circuit breaker compiles self-description information into a registration message in a resource definition mode of an Lwm2m protocol and sends the registration message to the edge equipment;
if a response message of the registration message sent by the side equipment is received within a preset time, the registration is successful;
if the response message of the registration message sent by the side equipment is not received within the preset time, the registration fails, and the intelligent circuit breaker compiles self-description information of the intelligent circuit breaker into the registration message in a resource definition mode of Lwm2m protocol again and sends the registration message to the side equipment until the registration is successful;
wherein, the response message of the registration message is compiled in a resource definition mode of Lwm2m protocol.
Preferably, after the registration of the intelligent circuit breaker and the edge device is successful, the method further includes:
the intelligent circuit breaker sends survival messages to the side equipment at regular time;
and if the intelligent circuit breaker does not receive the survival message sent by the side equipment within the preset time, disconnecting the communication link between the intelligent circuit breaker and the side equipment.
Further, after the communication link between the intelligent circuit breaker and the edge device is disconnected, the method further comprises:
the intelligent circuit breaker registers with the edge device again.
Preferably, the self-description information of the intelligent circuit breaker is preset and stored in the intelligent card chip;
the intelligent card chip is deployed in the intelligent circuit breaker.
Preferably, the self-description information includes:
fixed information and variable information of the intelligent circuit breaker;
wherein, the fixed information of the intelligent circuit breaker includes: the manufacturer, model, serial number, electric quantity and memory of the intelligent circuit breaker; the variable information of the intelligent circuit breaker includes: the intelligent circuit breaker detects voltage, current, operating temperature and operating humidity.
Based on the same inventive concept, the invention also provides an intelligent circuit breaker, comprising:
the response module is used for performing a request response interaction process of self-description information with the edge device based on a resource definition mode of an Lwm2m protocol after performing a registration process with the edge device;
and the publishing module is used for performing a subscription and publishing interaction process of self-description information with the edge device based on a resource definition mode of an Lwm2m protocol.
Preferably, the response module is specifically configured to:
when the intelligent circuit breaker receives a request message sent by the side equipment, compiling the self-description information of the intelligent circuit breaker into a plurality of response messages in a resource definition mode of Lwm2m protocol and sending the response messages to the side equipment;
wherein, the request message is compiled in a resource definition mode of Lwm2m protocol.
Preferably, the issuing module is specifically configured to:
after receiving a subscription message sent by the edge device, the intelligent circuit breaker compiles variable information subscribed by the edge device into a response message in a resource definition mode of an Lwm2m protocol at a certain time frequency and sends the response message to the edge device;
wherein the variable information is included in self-description information of the intelligent circuit breaker.
Preferably, the smart circuit breaker further comprises:
the system comprises a registration module, a deployment module and a self-description information module.
Further, the registration module is specifically configured to:
the intelligent circuit breaker compiles self-description information into a registration message in a resource definition mode of an Lwm2m protocol and sends the registration message to the edge equipment;
if a response message of the registration message sent by the side equipment is received within a preset time, the registration is successful;
if the response message of the registration message sent by the side equipment is not received within the preset time, the registration fails, and the intelligent circuit breaker compiles self-description information of the intelligent circuit breaker into the registration message in a resource definition mode of Lwm2m protocol again and sends the registration message to the side equipment until the registration is successful;
wherein, the response message of the registration message is compiled in a resource definition mode of Lwm2m protocol;
the intelligent circuit breaker sends survival messages to the side equipment at regular time;
and if the intelligent circuit breaker does not receive the survival message sent by the side equipment within the preset time, disconnecting the communication link between the intelligent circuit breaker and the side equipment.
The intelligent circuit breaker registers with the edge device again.
Further, the deployment module is specifically configured to:
the self-description information of the intelligent circuit breaker is preset and stored in the intelligent card chip;
the intelligent card chip is deployed in the intelligent circuit breaker.
Further, the self-description information module is specifically configured to:
acquiring fixed information and variable information of the intelligent circuit breaker;
wherein, the fixed information of the intelligent circuit breaker includes: the manufacturer, model, serial number, electric quantity and memory of the intelligent circuit breaker; the variable information of the intelligent circuit breaker includes: the intelligent circuit breaker detects voltage, current, operating temperature and operating humidity.
Based on the same inventive concept, the invention also provides an intelligent breaker self-description information interaction method based on the Lwm2m protocol, which comprises the following steps:
after the edge device and the intelligent circuit breaker are subjected to a registration process, the edge device and the intelligent circuit breaker are subjected to a request response interaction process of self-description information based on a resource definition mode of an Lwm2m protocol;
and the edge device performs a subscription and publication interaction process of self-description information with the intelligent circuit breaker based on a resource definition mode of an Lwm2m protocol.
Preferably, the resource definition manner based on the Lwm2m protocol and the intelligent circuit breaker perform a request response interaction process of self-description information, including:
the method comprises the steps that edge equipment sends a request message for requesting self-description information of the intelligent circuit breaker to the intelligent circuit breaker;
if the equipment receives a response message of the request message sent by the intelligent circuit breaker within the preset time, the request response interaction is successful;
if the equipment does not receive the response message of the request message sent by the intelligent circuit breaker within the preset time, the equipment sends the request message to the intelligent circuit breaker again until the request response interaction is successful;
wherein, the request message is compiled in a resource definition mode of Lwm2m protocol.
Further, after the device receives the response message of the request message sent by the intelligent circuit breaker within the preset time, the method further includes:
and the edge equipment uploads the response message to a cloud terminal.
Preferably, the subscription and publication interaction process of the self-description information between the edge device and the intelligent circuit breaker based on the resource definition mode of the Lwm2m protocol includes:
the method comprises the steps that edge equipment sends a subscription message for subscribing variable information of the intelligent circuit breaker to the intelligent circuit breaker and receives a corresponding response message sent by the intelligent circuit breaker at a certain time frequency;
wherein the variable information of the intelligent circuit breaker is contained in the self-description information; the subscription message is compiled in a resource definition mode of an Lwm2m protocol.
Preferably, the process of registering the edge device with the intelligent circuit breaker is as follows:
the method comprises the steps that edge equipment receives a registration message sent by an intelligent circuit breaker and sends a response message of the registration message compiled in a resource definition mode of an Lwm2m protocol to the intelligent circuit breaker;
the registration message is compiled in a resource definition mode of an Lwm2m protocol.
Preferably, after the edge device and the intelligent circuit breaker perform the registration process, the method further includes:
the side equipment sends survival messages to the intelligent circuit breaker in a timing mode;
if the side equipment does not receive the survival message sent by the intelligent circuit breaker within the preset time, the communication link between the side equipment and the intelligent circuit breaker is disconnected.
Based on the same inventive concept, the invention also provides edge equipment, comprising:
the request module is used for performing a request response interaction process of self-description information with the intelligent circuit breaker based on a resource definition mode of an Lwm2m protocol after performing a registration process with the intelligent circuit breaker;
and the subscription module is used for performing a subscription and publication interaction process of self-description information with the intelligent circuit breaker based on a resource definition mode of an Lwm2m protocol.
Preferably, the request module is specifically configured to:
the method comprises the steps that edge equipment sends a request message for requesting self-description information of the intelligent circuit breaker to the intelligent circuit breaker;
if the equipment receives a response message of the request message sent by the intelligent circuit breaker within the preset time, the request response interaction is successful;
if the equipment does not receive the response message of the request message sent by the intelligent circuit breaker within the preset time, the equipment sends the request message to the intelligent circuit breaker again until the request response interaction is successful;
the request message is compiled in a resource definition mode of an Lwm2m protocol;
and the edge equipment uploads the response message to a cloud terminal.
Preferably, the subscription module is specifically configured to:
the method comprises the steps that edge equipment sends a subscription message for subscribing variable information of the intelligent circuit breaker to the intelligent circuit breaker and receives a corresponding response message sent by the intelligent circuit breaker at a certain time frequency;
wherein the variable information of the intelligent circuit breaker is contained in the self-description information; the subscription message is compiled in a resource definition mode of an Lwm2m protocol.
Preferably, the edge device further includes:
and accessing the module.
Further, the access module is specifically configured to:
the method comprises the steps that edge equipment receives a registration message sent by an intelligent circuit breaker and sends a response message of the registration message compiled in a resource definition mode of an Lwm2m protocol to the intelligent circuit breaker;
the registration message is compiled in a resource definition mode of an Lwm2m protocol;
the side equipment sends survival messages to the intelligent circuit breaker in a timing mode;
if the side equipment does not receive the survival message sent by the intelligent circuit breaker within the preset time, the communication link between the side equipment and the intelligent circuit breaker is disconnected.
Based on the same inventive concept, the invention also provides an intelligent breaker self-description information interaction system based on the Lwm2m protocol, which comprises the following steps:
the intelligent circuit breaker is connected with the edge equipment in a communication mode.
Compared with the closest prior art, the invention has the following beneficial effects:
the invention provides an intelligent circuit breaker self-description information interaction method and system based on Lwm2m protocol, the technical scheme includes: after the intelligent circuit breaker is registered with the side equipment, the intelligent circuit breaker performs a request response interaction process of self-description information with the side equipment based on a resource definition mode of an Lwm2m protocol; the intelligent breaker performs a subscription and release interaction process of self-description information with the edge device based on a resource definition mode of an Lwm2m protocol; based on a lightweight internet of things protocol Lwm2m, complex breaker information is transmitted upwards through a special message mechanism, and the load of network bandwidth is greatly reduced.
The invention also establishes a network topology of a set of 'end-edge-cloud' model, carries out hierarchical management on the equipment and ensures the reliability of uploading the information of the equipment.
Drawings
Fig. 1 is a flowchart of an intelligent circuit breaker self-description information interaction method based on an Lwm2m protocol, provided by the invention;
fig. 2 is a schematic diagram of self-description information interaction of the intelligent circuit breaker based on the Lwm2m protocol provided by the invention;
fig. 3 is a schematic diagram of an intelligent circuit breaker self-description information interaction method based on the Lwm2m protocol provided by the invention;
FIG. 4 is an "end-edge-cloud" model topology in an embodiment of the invention;
fig. 5 is a system structural diagram of an intelligent circuit breaker provided by the present invention;
fig. 6 is a system configuration diagram of an edge device according to the present invention;
fig. 7 is a structural diagram of an intelligent circuit breaker self-description information interaction system based on the Lwm2m protocol, provided by the invention;
the reference numbers illustrate:
1-a smart circuit breaker; 2-edge equipment; 3-a smart card built in the smart circuit breaker; 4-cloud end; a-a deployment process; b-a registration process; c-request template information process; d-a subscription request procedure; e-self-describing information of the request or subscription; f, information interaction process between the intelligent circuit breaker and the side equipment; g-information interaction process between the G-side equipment and the cloud end; i-a retransmission mechanism; II-heartbeat message mechanism; III-presentation mechanism of data in the cloud.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The invention provides an intelligent circuit breaker self-description information interaction method based on an Lwm2m protocol, as shown in figure 1, the method comprises the following steps:
step 101: after the intelligent circuit breaker is registered with the side equipment, the intelligent circuit breaker performs a request response interaction process of self-description information with the side equipment based on a resource definition mode of an Lwm2m protocol;
step 102: the intelligent breaker performs a subscription and publishing interaction process of self-description information with the edge device based on a resource definition mode of an Lwm2m protocol.
Before step 101, the establishment of the registration process includes:
the following client is the intelligent circuit breaker, and the server is the edge device.
The device self-description access procedure of the intelligent circuit breaker is combined with the client registration mechanism of the Lwm2m protocol. In the Lwm2m protocol, the access process of the client is divided into two steps: deployment and registration. The deployment is to provide necessary information registered to the Lwm2m server, such as server access information, resource information supported by the client, and the like, to the client in various ways. And the registration is to report the information to the server, so as to connect the two.
The deployment portion of Lwm2m is quite similar to the self-described process of the device. They also have a need for various items of description information for client devices, i.e., edge devices. In addition, in the deployment mode, one mode is 'smart card deployment', namely, the smart card chip extracts various pieces of information of the equipment and stores the information into the client. Therefore, the intelligent card is used as self-description hardware of the terminal, so that the intelligent card has the capability of acquiring various description information of the circuit breaker, and automation is realized on the side.
After the information is obtained, the self-description information of the circuit breaker is transmitted to an upper layer of 'edge', and the mechanism of the Lwm2m protocol is still used to accomplish this, which specifically includes:
(1) after the smart card finishes information deployment, the registration message is uploaded to a server by carrying a self-description information template.
(2) The server receives the registration message, firstly completes the registration of the protocol itself to the client, and then reads the self-description information template in the message.
After deployment and registration are completed, two modes are adopted for information interaction between the client and the server of Lwm2m, one mode is a request/response mechanism, the server sends a request message to the client, and the client responds to information required by the server. The other is a subscription/publishing mechanism, the server subscribes to the required resources from the client, and the client periodically reports the information after receiving the subscription request.
the client receives a request message sent by the server according to the information template, and sends a corresponding response message to the server to provide the self-description information required by the server.
the client receives the subscription message sent by the server and sends a corresponding response message to the server to provide some necessary variables such as equipment version number, equipment fault information, electric power early warning information and the like in the self-description information required by the server, so that the functions of updating equipment, detecting equipment offline and acquiring warning information in time can be achieved.
For the above flow, Lwm2m defines a resource definition mode, in which each resource of the client is represented by three simple pieces of numbers, where the three pieces of numbers are an object number, an instance number, and a resource number. For example 5/1/6 represents a type 5 object, type 6 resource of a type 1 object instance. The Lwm2m protocol officially occupies part of the number. Some self-description information is contained in the self-description information and can be directly used, but the self-description information is not contained in the self-description information and can be depicted in a mode of customizing the meaning of the object number and the resource number. If the object number is 3, the corresponding device object includes information such as device manufacturer, model, serial number, power, memory, etc., which can be directly used. In addition, information such as voltage and current, working temperature and humidity, etc. detected by the circuit breaker can be defined in a manner that "object number 8 is defined as monitoring data, voltage corresponds to resource number 0, and current corresponds to equipment number 1 … …". The definition mode is firstly stored in the intelligent card, the intelligent card organizes the self-description information template according to the mode, and the server also sends the request message according to the mode, so that the effect of simplifying the message is achieved.
The above is an interaction mechanism on the "end-side", which mainly explains the actions performed by the intelligent circuit breaker, and the following mainly explains the interaction mechanism on the "edge-end" starting from the actions performed by the edge device.
Example 2
An intelligent circuit breaker self-description information interaction method based on Lwm2m protocol, as shown in FIG. 3, the method includes:
step 201: after the edge device and the intelligent circuit breaker are subjected to a registration process, the edge device and the intelligent circuit breaker are subjected to a request response interaction process of self-description information based on a resource definition mode of an Lwm2m protocol;
step 202: and the edge device performs a subscription and publication interaction process of self-description information with the intelligent circuit breaker based on a resource definition mode of an Lwm2m protocol.
And the server sends a request message to the client to acquire the required self-description information according to the information template. If the needed information is too much, a mode of sending the request in a slicing mode can be adopted.
After the complete information is acquired, the server subscribes some necessary variables such as equipment version number, equipment fault information, electric power early warning information and the like by using a subscription mode, and the functions of updating equipment, detecting equipment offline and acquiring warning information in time can be achieved.
The above is the interaction mechanism of "end" and "edge", because the network bandwidth on the "edge-cloud" level is sufficient and the number of devices is relatively small, it can be solved by the traditional method, and will not be discussed here. For the sake of completeness of the scheme, the following explains the network topology of "end-edge-cloud".
Example 3
For the network topology part, in addition to the self-describing mechanism described above, the following will be adopted to ensure reliable transport and "end-edge-cloud" synchronization, the process being performed based on fig. 4, including:
(1) after the side end receives the complete self-description information, the obtained self-description information is packaged according to a certain format and reported to the cloud end.
(2) The cloud completely stores the self-description information of the circuit breaker in the database, establishes a network topology according to the information and presents the network topology on a visual application.
(3) An information confirmation mechanism is provided for information interaction between end-edge-cloud, particularly end-edge interaction. The 'edge' detects whether the sent request is correctly responded according to the information template received from the registration message, and if not, the request message is retransmitted, thereby ensuring the integrity of the self-description information.
(4) Providing a 'heartbeat message' mechanism for each level of communication link, namely sending 'survival messages' upwards and downwards at regular time by 'end-edge-cloud', taking 'end-edge' as an example, when the link between the two is disconnected or the end equipment is damaged to cause the equipment to be offline, the 'edge' equipment detects the loss of the 'survival messages' in a period of time, and then immediately reporting the situation to the cloud, changing the equipment topology information of the cloud and reporting the offline situation of the equipment to a user.
In the invention, the self-description access of the intelligent breaker of the power distribution internet of things is realized by adopting a self-description interaction mode of the intelligent breaker.
The intelligent breaker of the distribution internet of things is self-described to be connected: the scheme is applied to the current power distribution construction, and intelligent circuit breakers are installed for key equipment in a power distribution network. The scheme is realized only by installing the intelligent card for the intelligent circuit breaker, and the cost is very low. After equipment is installed, the intelligent card automatically works, information of the intelligent circuit breaker is uploaded to the edge end through the communication link, the edge end is uploaded to the cloud end, the cloud end stores the equipment information of the intelligent circuit breaker into the cloud end database and displays the equipment information on the terminal according to data design application, and therefore relevant technical personnel can check the equipment information and find power utilization problems in time.
Example 4
The present invention provides an intelligent circuit breaker, as shown in fig. 5, including:
the response module is used for performing a request response interaction process of self-description information with the edge device based on a resource definition mode of an Lwm2m protocol after performing a registration process with the edge device;
and the publishing module is used for performing a subscription and publishing interaction process of self-description information with the edge device based on a resource definition mode of an Lwm2m protocol.
Preferably, the response module is specifically configured to:
when the intelligent circuit breaker receives a request message sent by the side equipment, compiling the self-description information of the intelligent circuit breaker into a plurality of response messages in a resource definition mode of Lwm2m protocol and sending the response messages to the side equipment;
wherein, the request message is compiled in a resource definition mode of Lwm2m protocol.
Preferably, the issuing module is specifically configured to:
after receiving a subscription message sent by the edge device, the intelligent circuit breaker compiles variable information subscribed by the edge device into a response message in a resource definition mode of an Lwm2m protocol at a certain time frequency and sends the response message to the edge device;
wherein the variable information is included in self-description information of the intelligent circuit breaker.
Preferably, the smart circuit breaker further comprises:
the system comprises a registration module, a deployment module and a self-description information module.
Further, the registration module is specifically configured to:
the intelligent circuit breaker compiles self-description information into a registration message in a resource definition mode of an Lwm2m protocol and sends the registration message to the edge equipment;
if a response message of the registration message sent by the side equipment is received within a preset time, the registration is successful;
if the response message of the registration message sent by the side equipment is not received within the preset time, the registration fails, and the intelligent circuit breaker compiles self-description information of the intelligent circuit breaker into the registration message in a resource definition mode of Lwm2m protocol again and sends the registration message to the side equipment until the registration is successful;
wherein, the response message of the registration message is compiled in a resource definition mode of Lwm2m protocol;
the intelligent circuit breaker sends survival messages to the side equipment at regular time;
and if the intelligent circuit breaker does not receive the survival message sent by the side equipment within the preset time, disconnecting the communication link between the intelligent circuit breaker and the side equipment.
The intelligent circuit breaker registers with the edge device again.
Further, the deployment module is specifically configured to:
the self-description information of the intelligent circuit breaker is preset and stored in the intelligent card chip;
the intelligent card chip is deployed in the intelligent circuit breaker.
Further, the self-description information module is specifically configured to:
acquiring fixed information and variable information of the intelligent circuit breaker;
wherein, the fixed information of the intelligent circuit breaker includes: the manufacturer, model, serial number, electric quantity and memory of the intelligent circuit breaker; the variable information of the intelligent circuit breaker includes: the intelligent circuit breaker detects voltage, current, operating temperature and operating humidity.
Example 5
The present invention provides an edge device, as shown in fig. 6, including:
the request module is used for performing a request response interaction process of self-description information with the intelligent circuit breaker based on a resource definition mode of an Lwm2m protocol after performing a registration process with the intelligent circuit breaker;
and the subscription module is used for performing a subscription and publication interaction process of self-description information with the intelligent circuit breaker based on a resource definition mode of an Lwm2m protocol.
Preferably, the request module is specifically configured to:
the method comprises the steps that edge equipment sends a request message for requesting self-description information of the intelligent circuit breaker to the intelligent circuit breaker;
if the equipment receives a response message of the request message sent by the intelligent circuit breaker within the preset time, the request response interaction is successful;
if the equipment does not receive the response message of the request message sent by the intelligent circuit breaker within the preset time, the equipment sends the request message to the intelligent circuit breaker again until the request response interaction is successful;
the request message is compiled in a resource definition mode of an Lwm2m protocol;
and the edge equipment uploads the response message to a cloud terminal.
Preferably, the subscription module is specifically configured to:
the method comprises the steps that edge equipment sends a subscription message for subscribing variable information of the intelligent circuit breaker to the intelligent circuit breaker and receives a corresponding response message sent by the intelligent circuit breaker at a certain time frequency;
wherein the variable information of the intelligent circuit breaker is contained in the self-description information; the subscription message is compiled in a resource definition mode of an Lwm2m protocol.
Preferably, the edge device further includes:
and accessing the module.
Further, the access module is specifically configured to:
the method comprises the steps that edge equipment receives a registration message sent by an intelligent circuit breaker and sends a response message of the registration message compiled in a resource definition mode of an Lwm2m protocol to the intelligent circuit breaker;
the registration message is compiled in a resource definition mode of an Lwm2m protocol;
the side equipment sends survival messages to the intelligent circuit breaker in a timing mode;
if the side equipment does not receive the survival message sent by the intelligent circuit breaker within the preset time, the communication link between the side equipment and the intelligent circuit breaker is disconnected.
Example 6
The invention provides an intelligent circuit breaker self-description information interaction system based on Lwm2m protocol, as shown in FIG. 7, comprising:
the intelligent circuit breaker is connected with the edge equipment in a communication mode.
Further, the system further comprises a cloud end, and the cloud end is in communication connection with the edge device.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (17)
1. An intelligent circuit breaker self-description information interaction method based on Lwm2m protocol is characterized by comprising the following steps:
after the intelligent circuit breaker is registered with the side equipment, the intelligent circuit breaker performs a request response interaction process of self-description information with the side equipment based on a resource definition mode of an Lwm2m protocol;
the intelligent breaker performs a subscription and publishing interaction process of self-description information with the edge device based on a resource definition mode of an Lwm2m protocol.
2. The method of claim 1, wherein the intelligent circuit breaker performs a request response interaction process of self-description information with the edge device based on a resource definition mode of an Lwm2m protocol, and the process comprises the following steps:
when the intelligent circuit breaker receives a request message sent by the side equipment, compiling the self-description information of the intelligent circuit breaker into a plurality of response messages in a resource definition mode of Lwm2m protocol and sending the response messages to the side equipment;
wherein, the request message is compiled in a resource definition mode of Lwm2m protocol.
3. The method of claim 1, wherein the intelligent circuit breaker performs a subscription and publication interaction process of self-description information with the edge device based on a resource definition mode of an Lwm2m protocol, and the subscription and publication interaction process comprises:
after receiving a subscription message sent by the edge device, the intelligent circuit breaker compiles variable information subscribed by the edge device into a response message in a resource definition mode of an Lwm2m protocol at a certain time frequency and sends the response message to the edge device;
wherein the variable information is included in self-description information of the intelligent circuit breaker.
4. The method of claim 1, wherein the smart circuit breaker registers with an edge device as follows:
the intelligent circuit breaker compiles self-description information into a registration message in a resource definition mode of an Lwm2m protocol and sends the registration message to the edge equipment;
if a response message of the registration message sent by the side equipment is received within a preset time, the registration is successful;
if the response message of the registration message sent by the side equipment is not received within the preset time, the registration fails, and the intelligent circuit breaker compiles self-description information of the intelligent circuit breaker into the registration message in a resource definition mode of Lwm2m protocol again and sends the registration message to the side equipment until the registration is successful;
wherein, the response message of the registration message is compiled in a resource definition mode of Lwm2m protocol.
5. The method of claim 1, wherein after the registration of the intelligent circuit breaker with the edge device is successful, further comprising:
the intelligent circuit breaker sends survival messages to the side equipment at regular time;
and if the intelligent circuit breaker does not receive the survival message sent by the side equipment within the preset time, disconnecting the communication link between the intelligent circuit breaker and the side equipment.
6. The method of claim 5, wherein after the communication link between the intelligent circuit breaker and the edge device is broken, further comprising:
the intelligent circuit breaker registers with the edge device again.
7. The method of claim 1, wherein the self-description information of the smart circuit breaker is preset and stored in a smart card chip;
the intelligent card chip is deployed in the intelligent circuit breaker.
8. The method of claim 1, wherein the self-describing information comprises:
fixed information and variable information of the intelligent circuit breaker;
wherein, the fixed information of the intelligent circuit breaker includes: the manufacturer, model, serial number, electric quantity and memory of the intelligent circuit breaker; the variable information of the intelligent circuit breaker includes: the intelligent circuit breaker detects voltage, current, operating temperature and operating humidity.
9. A smart circuit breaker, comprising:
the response module is used for performing a request response interaction process of self-description information with the edge device based on a resource definition mode of an Lwm2m protocol after performing a registration process with the edge device;
and the publishing module is used for performing a subscription and publishing interaction process of self-description information with the edge device based on a resource definition mode of an Lwm2m protocol.
10. An intelligent circuit breaker self-description information interaction method based on Lwm2m protocol is characterized by comprising the following steps:
after the edge device and the intelligent circuit breaker are subjected to a registration process, the edge device and the intelligent circuit breaker are subjected to a request response interaction process of self-description information based on a resource definition mode of an Lwm2m protocol;
and the edge device performs a subscription and publication interaction process of self-description information with the intelligent circuit breaker based on a resource definition mode of an Lwm2m protocol.
11. The method according to claim 10, wherein the Lwm2m protocol-based resource definition mode performs a request response interaction process of self-description information with the intelligent circuit breaker, and the process comprises:
the method comprises the steps that edge equipment sends a request message for requesting self-description information of the intelligent circuit breaker to the intelligent circuit breaker;
if the equipment receives a response message of the request message sent by the intelligent circuit breaker within the preset time, the request response interaction is successful;
if the equipment does not receive the response message of the request message sent by the intelligent circuit breaker within the preset time, the equipment sends the request message to the intelligent circuit breaker again until the request response interaction is successful;
wherein, the request message is compiled in a resource definition mode of Lwm2m protocol.
12. The method according to claim 11, wherein after the device receives the response message of the request message from the smart circuit breaker within the preset time, the method further comprises:
and the edge equipment uploads the response message to a cloud terminal.
13. The method of claim 10, wherein the edge device performs a subscription and publication interaction process of self-description information with the smart breaker based on a resource definition manner of the Lwm2m protocol, and the subscription and publication interaction process comprises:
the method comprises the steps that edge equipment sends a subscription message for subscribing variable information of the intelligent circuit breaker to the intelligent circuit breaker and receives a corresponding response message sent by the intelligent circuit breaker at a certain time frequency;
wherein the variable information of the intelligent circuit breaker is contained in the self-description information; the subscription message is compiled in a resource definition mode of an Lwm2m protocol.
14. The method of claim 10, wherein the edge device registers with the smart circuit breaker as follows:
the method comprises the steps that edge equipment receives a registration message sent by an intelligent circuit breaker and sends a response message of the registration message compiled in a resource definition mode of an Lwm2m protocol to the intelligent circuit breaker;
the registration message is compiled in a resource definition mode of an Lwm2m protocol.
15. The method of claim 10, wherein after the edge device performs a registration process with a smart circuit breaker, further comprising:
the side equipment sends survival messages to the intelligent circuit breaker in a timing mode;
if the side equipment does not receive the survival message sent by the intelligent circuit breaker within the preset time, the communication link between the side equipment and the intelligent circuit breaker is disconnected.
16. An edge device, comprising:
the request module is used for performing a request response interaction process of self-description information with the intelligent circuit breaker based on a resource definition mode of an Lwm2m protocol after performing a registration process with the intelligent circuit breaker;
and the subscription module is used for performing a subscription and publication interaction process of self-description information with the intelligent circuit breaker based on a resource definition mode of an Lwm2m protocol.
17. An intelligent circuit breaker self-description information interaction system based on Lwm2m protocol, characterized in that the system comprises:
the intelligent circuit breaker is in communication connection with the side equipment;
the intelligent circuit breaker is used for realizing the method of any one of claims 1-8;
the edge device is for implementing the method according to any of claims 10-15.
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| CN202111030293.4A CN113839811A (en) | 2021-09-03 | 2021-09-03 | Intelligent circuit breaker self-description information interaction method and system based on Lwm2m protocol |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111416723A (en) * | 2019-01-04 | 2020-07-14 | 华为技术有限公司 | Equipment management method and related equipment |
| CN112563083A (en) * | 2020-11-03 | 2021-03-26 | 中国电力科学研究院有限公司 | Internet of things intelligent circuit breaker implementation device, method and system based on open protocol |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111416723A (en) * | 2019-01-04 | 2020-07-14 | 华为技术有限公司 | Equipment management method and related equipment |
| CN112563083A (en) * | 2020-11-03 | 2021-03-26 | 中国电力科学研究院有限公司 | Internet of things intelligent circuit breaker implementation device, method and system based on open protocol |
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