Methods and Internet of Things (IoT) systems for predicting maintenance materials of smart gas pipeline networks

1. A method for predicting maintenance materials of a smart gas pipeline network, implemented based on a smart gas safety management platform of an Internet of Things (IoT) system for predicting maintenance materials of a smart gas pipeline network, comprising:

obtaining a pipeline network feature of a gas pipeline network;

predicting fault probabilities of one or more point positions of the gas pipeline network based on the pipeline network feature, the fault probabilities including probabilities of one or more preset fault types of faults occurring at the point positions, wherein

the predicting fault probabilities of one or more point positions of the gas pipeline network based on the pipeline network feature includes:

constructing a pipeline network diagram based on the pipeline network feature, a node of the pipeline network diagram corresponding to the point position of the gas pipeline network, and an edge of the pipeline network diagram corresponding to a gas pipeline of the gas pipeline network; and

predicting, based on the pipeline network diagram, the fault probabilities of one or more point positions of the gas pipeline network through a probability determination model, the probability determination model being a machine learning model; and

determining demand for the maintenance materials based on the fault probabilities of the one or more point positions, wherein

the determining the demand for the maintenance materials includes:

determining sub-demand for the maintenance materials of each point position based on the fault probability of each point position of the one or more point positions, the sub-demand being obtained based on historical maintenance data of the gas pipeline network; and

determining the demand for the maintenance materials based on the sub-demand of each point position of the gas pipeline network, wherein

the IoT system further comprises: a smart gas user platform, a smart gas service platform, a smart gas sensor network platform, and a smart gas object platform;

the smart gas user platform includes a gas user sub-platform and a supervision user sub-platform;

the smart gas service platform includes a smart gas use service sub-platform corresponding to the gas user sub-platform, and a smart supervision service sub-platform corresponding to the supervision user sub-platform;

the smart gas safety management platform includes a smart gas emergency maintenance management sub-platform and a smart gas data center, wherein the smart gas emergency maintenance management sub-platform includes a device safety monitoring management module, a safety alarm management module, a work order dispatch management module, and a materials management module;

the smart gas sensor network platform includes a smart gas device sensor network sub-platform and a smart gas maintenance engineering sensor network sub-platform;

the smart gas object platform includes a smart gas device object sub-platform and a smart gas maintenance engineering object sub-platform; and

the determining demand for the maintenance materials based on the fault probability of each point position includes:

transmitting the demand for the maintenance materials to the smart gas user platform based on the smart gas service platform.

2. The method of claim 1 , wherein a node feature of the node of the pipeline network diagram includes node complexity; and

the node complexity is related to a type, a historical maintenance duration, and a single inspection duration of the point position corresponding to the node.

3. The method of claim 1 , wherein an edge feature of the edge of the pipeline network diagram includes edge complexity; and

the edge complexity is related to a length, a surface area, a count of surface parts, and a count of functional structures of the gas pipeline corresponding to the edge.

4. A non-transitory computer-readable storage medium storing computer instructions, wherein when reading the computer instructions in the storage medium, a computer implements the method for predicting maintenance materials of a smart gas pipeline network of claim 1 .

5. An Internet of Things (IoT) system for predicting maintenance materials of a smart gas pipeline network, comprising: a smart gas user platform, a smart gas service platform, a smart gas safety management platform, a smart gas sensor network platform, and a smart gas object platform, wherein

the smart gas object platform is configured to obtain a pipeline network feature of a gas pipeline network, and transmit the pipeline network feature to the smart gas safety management platform through the smart gas sensor network platform; and

the smart gas safety management platform is configured to:

predict fault probabilities of one or more point positions of the gas pipeline network based on the pipeline network feature, the fault probabilities including probabilities of one or more preset fault types of faults occurring at the point positions, wherein

the predicting fault probabilities of one or more point positions of the gas pipeline network based on the pipeline network feature includes:

constructing a pipeline network diagram based on the pipeline network feature, a node of the pipeline network diagram corresponding to the point position of the gas pipeline network, and an edge of the pipeline network diagram corresponding to a gas pipeline of the gas pipeline network; and

predicting, based on the pipeline network diagram, the fault probabilities of one or more point positions of the gas pipeline network through a probability determination model, the probability determination model being a machine learning model; and

determine demand for the maintenance materials based on the fault probabilities of the one or more point positions, wherein

the determining the demand for the maintenance materials includes:

determining sub-demand for the maintenance materials of each point position based on the fault probability of each point position of the one or more point positions, the sub-demand being obtained based on historical maintenance data of the gas pipeline network; and

determining the demand for the maintenance materials based on the sub-demand of each point position of the gas pipeline network, wherein

the smart gas user platform includes a gas user sub-platform and a supervision user sub-platform;

the smart gas service platform includes a smart gas use service sub-platform corresponding to the gas user sub-platform, and a smart supervision service sub-platform corresponding to the supervision user sub-platform;

the smart gas safety management platform includes a smart gas emergency maintenance management sub-platform and a smart gas data center, wherein the smart gas emergency maintenance management sub-platform includes a device safety monitoring management module, a safety alarm management module, a work order dispatch management module, and a materials management module;

the smart gas sensor network platform includes a smart gas device sensor network sub-platform and a smart gas maintenance engineering sensor network sub-platform;

the smart gas object platform includes a smart gas device object sub-platform and a smart gas maintenance engineering object sub-platform; and

the smart gas safety management platform is further configured to:

transmit the demand for the maintenance materials to the smart gas user platform based on the smart gas service platform; and

send the demand for the maintenance materials to the smart gas maintenance engineering object sub-platform based on the smart gas maintenance engineering sensor network sub-platform.