Abstract: A method and a smart gas Internet of Things system for management based on gas safety are provided. The method may comprise obtaining gas-related features of at least one area; determining alert vectors of the at least one area based on the gas-related features by manners for feature extraction; determining a count of on-call maintenance personnel in the at least one area based on the alert vectors; determining whether the count of on-call maintenance personnel meets a preset threshold; and in response to a determination that there is at least one area where the count of on-call maintenance personnel meets the preset threshold, performing, based on an area map, multiple rounds of iterative update on a scheduling capability value of the at least one area that meets the preset threshold; and determining a real-time scheduling policy based on the updated scheduling capability value.

Abstract: The embodiments of the present disclosure provide a safety monitoring method and a safety monitoring Internet of Things system of pipe network reliability degree based on intelligent gas, wherein the method is executed by an intelligent gas pipe network safety management based on the safety monitoring Internet of Things system of pipe network reliability degree, including: obtaining reliability degree influence feature of a pipe network node; and the reliability degree influence feature include at least one of intrinsic features, and extrinsic features; determining reliability degree of the pipe network node based on the reliability degree influence feature; and determining a monitoring scheme based on the reliability degree of the pipe network node. The monitoring scheme includes a key pipe network node to be monitored.

Abstract: Method and an IoT system for gas gate station monitoring are provided. The method includes obtaining operation data of a gas gate station; obtaining a downstream user feature corresponding to the gas gate station and historical warning data corresponding to the gas gate station; determining, based on the downstream user feature and the historical warning data and in combination with the operation data, the associated node in a preset time period, the associated node including at least one of a gate station internal node and an external pipeline network node; obtaining monitoring data of the associated nodes, the monitoring data at least including node monitoring data of the gate station internal node and node monitoring data of the external pipeline network node; and issuing a warning notification in response to the monitoring data not satisfying a preset condition.

Abstract: Embodiments of the present disclosure provides a method and a system for managing UAV data transmission in smart city based on IoT. The method includes obtaining requirement information of a user by a general platform of the management platform from the user platform through the service platform, and assigning the requirement information to a corresponding management sub-platform; determining different time domains and different airspaces of at least two UAVs performing missions by the management sub-platform based on the requirement information, wherein the different time domains may have an overlapping interval, and the different airspaces may have an overlapping interval; and controlling the at least two UAVs to perform the different missions in the different time domains and the different airspaces by the management platform, and collecting mission data corresponding to different missions.

Abstract: A method, an Internet of Things system, and a medium for smart gas maintenance management order dispatch warning are provided. The method comprises: assigning a gas work order to an order receiver in response to an assignment module, and determining an warning characteristic of the gas work order; wherein, determining the warning characteristic of the gas work order comprise: based on the fault location characteristic of the gas work order, determining the traffic warning value through the traffic warning value determination module; determining the fault warning value based on the gas fault characteristic of the gas work order through the fault warning value determination module; in response to the warning monitoring module monitoring that the warning characteristic meet the preset condition, providing a warning to the order receiver by the warning module.

Abstract: The present disclosure provides a method and a system for greenspace cultivation and management in a smart city based on an Internet of Things.

Abstract: A smart gas emergency gas supply equipment is provided. The smart gas emergency gas supply equipment may be an emergency vehicle including a skid-mounted vehicle, a gas storage tank, an extensible pipeline group, a pressure regulating device, a gasification device, and a control module. The control module may be configured to determine, based on an emergency gas supply plan of the smart gas emergency gas supply device, operating parameters of the pressure regulating device and the gasification device. The emergency gas supply plan at least includes a gas source selection plan and a gas demand, the gas source selection plan may at least include a gas pipeline network crossover and a gas tank direct supply.

Abstract: The present disclosure provides a method for smart gas pipeline transportation performance prediction. The method includes: determining, based on a gas pipeline map, transportation performance of a target gas pipeline section by a transportation performance determination model, wherein the gas pipeline map reflects a connection relationship of a plurality of gas pipeline sections within a preset range of the target gas pipeline section, and the gas pipeline map is generated based on information of one or more historical gas pipeline sections; nodes of the gas pipeline map include connections between the gas pipeline sections, gas storage points, gate stations, or pipeline bends, and edges of the gas pipeline map include the gas pipeline sections; a node feature of the gas pipeline map includes whether to process gas, an edge feature of the gas pipeline map includes pipeline parameters and a pipeline maintenance situation.

Abstract: Methods and Internet of things systems for generating early warning information in a risk region in a smart city are provided. The method includes: obtaining, from at least one monitoring device of at least one target region based on a sensing network sub-platform of a sensing network platform, a monitoring image of the at least one target region by a public security management platform; sending the monitoring image of the corresponding target region to a management sub-platform of the public security management platform; and based on the management sub-platform, processing the monitoring image to determine a suspicious index of at least one person in the monitoring image; determining, based on a sum of suspicious group indexes of suspicious groups in the target region, a risk index of the target region; generating early warning information in response to the risk index of the target region greater than a first threshold.

Abstract: The present disclosure provides a system of an industrial Internet of Things (IoT) for operation management of an automated guided vehicle (AGV), a method, and a medium. The method includes: obtaining an AGV circuit layout, and adding pre-planned paths of all AGVs to form an AGV operation model; obtaining a feeding time of each material end point within a preset period; assigning an operation speed to each AGV of the all AGVs, calculating an operation track of the each AGV; determining that a current operation process is unqualified when any two of operation tracks reach a same node at a same time; determining a target operation speed combination; recalculating the operation tracks based on the target operating speed combination until the operation process is qualified; and controlling an operation of the each AGV and sending the operation track of the each AGV of the qualified operation process to a user.

Abstract: A method and a smart gas Internet of Things system for maintenance scheduling and management based on gas safety are provided. The method may comprise the following operations. Gas-related features of at least one area may be obtained, alert vectors of the at least one area may be determined based on the gas-related features, the alert vectors including a leakage alert value, a count of on-call maintenance personnel in the at least one area based on the alert vectors may be determined, whether the count of on-call maintenance personnel meets a preset threshold may be determined, in response to a determination that there is at least one area where the count of on-call maintenance personnel meets the preset threshold, a real-time scheduling policy based on a scheduling capability value of the at least one area where the count of on-call maintenance personnel meets the preset threshold may be determined.

Abstract: A circuit breaker and a power distribution system are provided. The circuit breaker includes a housing and an internal element disposed inside the housing. The housing includes a front panel and a rear panel that are disposed opposite to each other, the front panel is disposed with a button, a status display unit, and a power wiring port, and the rear panel is disposed with a power interface and a signal interface. The power wiring port and the power interface are connected to a circuit of a power distribution system. The signal interface is internally and electrically connected to the button, the status display unit, and the internal element, and the signal interface is externally configured to be electrically connected to a control unit disposed outside the housing. A control signal of the control unit implements working of the button, the status display unit, and the internal element.

Abstract: A current sampling system, the system including a magnetic component, that is an inductor or a transformer that has at least one winding, where the at least one winding has a first part and a second part, where a first terminal of the first part is connected to a first terminal of the second part, and where a second terminal of the first part is separated from a second terminal of the second part, and a current detection circuit, where the second terminal of the second part is connected to the current detection circuit, and where the current detection circuit is configured to sample a current flowing through the second part, and obtain a total current of the winding based on the sampled current flowing through the second part and a preset ratio.

Abstract: This application discloses a circuit breaker and a power distribution box, and relates to the field of communication device technologies. The circuit breaker includes a housing, a control apparatus, and a current signal collection mechanism, an operating mechanism, and a contactor mechanism that are disposed in the housing. The current signal collection mechanism has a first fixed contact and a second fixed contact that are electrically connected. The operating mechanism has a rotating part and a first moving contact. The first moving contact is electrically connected to a first electrode cable inlet port of the circuit breaker. Rotating the rotating part may make a circuit between the first moving contact and the first fixed contact connected/disconnected.

Abstract: In the power source switching control system, a circuit breaker includes a controller and an on/off apparatus. The controller controls, based on a signal of a monitor, the on/off apparatus to adjust an on/off state of a power source connected to the circuit breaker, that is, adjust, from an on state to an off state based on a switch-off signal of the monitor, a working power source that is currently working, and adjust a backup power source from an off state to an on state based on a switch-on signal of the monitor, to implement a process of power source switching between the working power source and the backup power source.

Abstract: A communication power supply system includes an alternating current power distribution module, a rectifier module, a monitoring module, a direct current power distribution module, and a signal-driven collection board. The monitoring module sends a control signal to the direct current power distribution module by using the signal-driven collection board, where the control signal is used to control the closing or opening of a circuit in the direct current power distribution module. The communication power supply system uses the monitoring module to control the direct current power distribution module, to control whether to power on the loads connected to the direct current power distribution module.

Abstract: A circuit breaker and a power distribution system are provided. The circuit breaker includes a housing and an internal element disposed inside the housing. The housing includes a front panel and a rear panel that are disposed opposite to each other, the front panel is disposed with a button, a status display unit, and a power wiring port, and the rear panel is disposed with a power interface and a signal interface. The power wiring port and the power interface are connected to a circuit of a power distribution system. The signal interface is internally and electrically connected to the button, the status display unit, and the internal element, and the signal interface is externally configured to be electrically connected to a control unit disposed outside the housing. A control signal of the control unit implements working of the button, the status display unit, and the internal element.

Abstract: The control apparatus includes an electrical signal detection unit, a control unit, a contactor, a first execution unit, a protection unit, and a second execution unit. The electrical signal detection unit detects an electrical signal on a loop, and send the electrical signal to the control unit. The control unit generates a control signal, and send the control signal to the first execution unit. The contactor is connected to the loop. The first execution unit controls the contactor to be closed or opened, where when the contactor is closed, the loop is connected, and when the contactor is opened, the loop is disconnected. The protection unit detects a current value on the loop when the contactor is closed, where an opening instruction is sent to the second execution unit when the current value reaches a trip threshold. The second execution unit opens the contactor when receiving the opening instruction.