Abstract: The embodiments of the specification provide a method for civil administration in a smart city based on the Internet of Things (IoT). The method may include: a civil administration platform obtaining target resident information of a target area from a civil service platform, wherein the target resident information may be obtained by the civil service platform after processing resident information of a target user in response to a civil service request sent by the target user through a user platform; and determining, based on the target resident information, an increased population of the target area within a target period.

Abstract: The present disclosure discloses an Industrial Internet of Things for determining a material transportation path, a control method and a medium thereof, wherein the management platform in the Industrial Internet of Things includes: an obtaining module configured to generate a first layout directed graph; a material module configured to assign a material requirement to a corresponding material end point and assign a material supply to a corresponding material start point; a reconstruction module configured to reconstruct the first layout directed graph and form a third layout directed graph; a first calculation module configured to calculate a first path; a correction module configured to form an intermediate layout directed graph; and a second calculation module configured to calculate a second path.

Abstract: The present disclosure discloses a risk prevention method based on energy of natural gas in a full cycle, including: obtaining loss data of natural gas based on metering equipment, wherein the loss data of the natural gas includes metering data of the natural gas consumed in a measured area during a plurality of time periods; obtaining output data of natural gas, wherein the output data of the natural gas includes metering data of the natural gas transmitted by a gas supplier in the measured area during the plurality of time periods; based on the processing of loss data of natural gas and output data of natural gas, determining whether natural gas transmission is abnormal.

Abstract: The embodiments of the present disclosure provide methods and systems for energy measuring based on natural gas data of a smart gas meter, including establishing the gas IoT. The object platform obtains consumed gas volume data and location data of the smart gas meter as first data and second data, and sending them to the management platform through the sensor network platform. The management platform generates consumed gas preprocessing data based on the first data and the second data, and generates energy measurement data after performing the computation outside the gas IoT on the consumed gas preprocessing data by the cloud platform outside the gas IoT. The management platform sends the energy measurement data to the user platform configured in a regional pipeline network center through the service platform. The user platform performs gas energy measurement of the smart gas meter based on the energy measurement data.

Abstract: A method for tidal lane opening management in a smart city is provided. The method applied to the management platform includes issuing a data obtaining instruction to a sensor network platform to obtain a first traffic feature of a target road within a first time period from an object platform, wherein the first traffic feature is a feature reflecting a flow situation of the target road, determining a target tidal lane opening scheme of the target road within the first time period based on the first traffic feature using a preset algorithm, generating a scheme execution instruction based on the target tidal lane opening program, sending the scheme execution instruction to the target object through, and issuing a data upload instruction to send the target tidal lane opening scheme to the user platform through a service platform.

Abstract: The present disclosure relates to a chip module, a circuit board and an electronic device. The chip module includes: a chip; a heat-dissipating metal sheet, and a thermal conductive layer located between the chip and the heat-dissipating metal sheet, where a thermal conductive material included in the thermal conductive layer is a phase change material or a thermal conductive paste.

Abstract: The present disclosure provides a method and a system for area management in a smart city based on an Internet of Things. The method includes obtaining environmental monitoring data in a target area through a sensor network platform, the environmental monitoring data including at least one of air quality data, weather data, and satellite image data, predicting an air pollution situation in the target area through a regional prediction model based on the environmental monitoring data, the regional prediction model being a machine learning model, and sending prompt information, which is determined based on the air pollution situation in the target area, to a user platform through a service platform, wherein the target area is a hexagonal area; and the regional prediction model includes seven regional models and an air quality determination model; wherein a prediction mode of the regional prediction model is an iterative prediction.

Abstract: The embodiments of the present disclosure provide a method for maintenance of a filter element at a gas gate station and an Internet of Things system. The method includes: obtaining usage information of a filter element, the usage information including at least one of a cleaning cost and a blockage degree; the cleaning cost being determined by processing the blockage degree, an impurity feature, times of the filter element being cleaned, a usage duration of the filter element, and a replacement cycle based on a cost prediction model; obtaining the usage information, determining a filter element maintenance plan at least based on the cleaning cost in the usage information, and sending the filter element maintenance plan to a data center; and sending, by the data center, the filter element maintenance plan to a user platform through a service platform.

Abstract: The present disclosure provides an intelligent manufacturing method based on Industrial Internet of Things with a centralized service platform, including: the user platform inputting the parameter configuration information, and the service platform disassembling it into multiple sets of configuration data groups according to process; the management platform storing and processing the configuration data groups, and the configuration data group being used as a reference data group; the object platform taking the perception information as a verification data group at a set time interval; the management platform receiving and processing the verification data group, and sending the reference data group and the verification data group to the service platform; the service platform receiving and comparing the reference data group and the verification data group; if comparisons exceed the set threshold range, generating stop operation instructions and sending them to the object platform to control the production line

Abstract: A Christmas tree stand connecting structure and an LED decorative lamp are disclosed. The Christmas tree stand connecting structure includes a fixed disc and an LED decorative lamp, wherein a side wall of the fixed disc is movably connected with a supporting frame. A top of the fixed disc is equipped with a connecting mechanism, wherein an angle adjusting assembly is arranged in the connecting mechanism. The connecting mechanism includes a connecting part, a positioning part, a connecting end, a connecting line, and a connecting port. The connecting part is assembled through the positioning part on a bottom of the connecting part and the positioning slot in a top. In a mounting process, a blocking part inside a matching slot is jacked to two sides through a semicircular structure on the top for a clamping part to clamp and fix a side wall of the blocking part.

Abstract: A lamp device capable of being rotated to plug in at any angle includes a mounting base, wherein side walls of the mounting base are fixedly connected with four fixed supporting feet, wherein the four fixed supporting feet are uniformly distributed on the side walls of the mounting base. A mounting slot is formed inside the mounting base, and a plurality of plug-in connectors are plugged in the mounting slot. Rotating assemblies are arranged inside the plurality of plug-in connectors, and fixing assemblies are arranged on side walls of the plurality of plug-in connectors. The rotating assemblies are arranged for a moveable barrel to rotate on the side walls of the plurality of plug-in connectors through gear shafts and annular racks engaged with the gear shafts to adjust an angle of a lamp mounted in a mounting part without affecting a decorative lighting.

Abstract: The present disclosure relates to the field of light-emitting decorative craft, and in particular, to a Christmas tree connecting rod assembly. A branch connecting rod is assembled with a branch mounting rod, and a first connecting contact assembly is electrically connected to a second connecting contact assembly. Therefore, the entire connecting rod assembly achieves circuit communication through the first connecting contact assembly and the second connecting contact assembly. In addition, all wires are routed internally, so that electrical wires are prevented from being directly arranged on the trunk of a Christmas tree, making the Christmas tree decoration more beautiful.

Abstract: The present disclosure relates to the field of light-emitting decorative craft, and in particular, to a Christmas tree connecting rod assembly. A branch connecting rod is assembled with a branch mounting rod, and a first connecting contact assembly is electrically connected to a second connecting contact assembly. Therefore, the entire connecting rod assembly achieves circuit communication through the first connecting contact assembly and the second connecting contact assembly. In addition, all wires are routed internally, so that electrical wires are prevented from being directly arranged on the trunk of a Christmas tree, making the Christmas tree decoration more beautiful.

Abstract: The present invention provides a Christmas tree. The Christmas tree includes a base, several branches, and several main rods. The main rods are fixedly connected to the base. The branches are fixedly connected to the main rods. The main rods are inserted into one another and fixed, and in this case the male terminal and the female terminal are inserted into one another and fixed. A main current cable for an external power supply is disposed on the base. The female terminal of the last main rod and the male terminal at the top end of the base are inserted into each other and fixed. A current interface for an external light source is disposed at a tail end at the male terminal in the main rod. The current interface passes through the through hole to extend outside the main rod.