Intelligent circuit breaker self-description information interaction method and system based on Lwm2m protocol
A technology of intelligent circuit breaker and information interaction, applied in the field of computer-network-internet of things, can solve the problems of technicians not knowing the danger, insufficient network bandwidth, information upload failure, etc., to reduce the load and ensure the effect of uploading
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Embodiment 1
[0108] The present invention proposes an intelligent circuit breaker self-describing information interaction method based on the Lwm2m protocol, such as figure 1 As shown, the method includes:
[0109] Step 101: After the smart circuit breaker registers with the side device, the smart circuit breaker performs a request-response interaction process of self-describing information with the side device based on the resource definition method of the Lwm2m protocol;
[0110] Step 102: The smart circuit breaker performs an interactive process of subscription and publication of self-describing information with edge devices based on the resource definition method of the Lwm2m protocol.
[0111] Before step 101, the establishment of the registration process includes:
[0112] The following client is the smart circuit breaker, and the server is the edge device.
[0113] Combine the device self-description access process of the smart circuit breaker with the client registration mechanis...
Embodiment 2
[0126] A self-describing information interaction method for intelligent circuit breakers based on the Lwm2m protocol, such as image 3 As shown, the method includes:
[0127] Step 201: After the side device registers with the smart circuit breaker, the side device performs a request-response interaction process of self-describing information with the smart circuit breaker based on the resource definition method of the Lwm2m protocol;
[0128] Step 202: The side device performs an interactive process of subscription and release of self-describing information with the smart circuit breaker based on the resource definition method of the Lwm2m protocol.
[0129] According to the information template, the server sends a request message to the client to obtain the required self-describing information. If too much information is required, the request can be sent in fragments.
[0130] After obtaining the complete information, the server uses the subscription mode to subscribe to so...
Embodiment 3
[0133] For the network topology, in addition to the above-mentioned self-describing mechanism, the following methods will be adopted to ensure reliable transmission and "device-edge-cloud" synchronization. The process is based on Figure 4 Execution, including:
[0134] (1) After receiving the complete self-description information, the edge terminal will package the obtained self-description information according to a certain format, and report it to the cloud.
[0135] (2) The cloud completely stores the self-describing information of the circuit breaker in the database, and builds the network topology based on the information, and presents it on the visualization application.
[0136] (3) Provide an information confirmation mechanism for information interaction between "device-edge-cloud", especially "device-edge" interaction. According to the information template received from the registration message, the "edge" detects whether the request sent out is correctly responded,...
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