24 results about "Metro station" patented technology

The invention relates to the technical field of metro platform screen doors, in particular to a novel particulate matter-preventing energy-saving metro platform screen door with an adjustable tuyere, which comprises a metro platform, and a plurality of left-side perforated platform screen doors and right-side perforated platform screen doors are fixedly mounted on two sides of the metro platform respectively; a rotating mechanism is movably connected to one side of each shielding door with holes in the left side and one side of each shielding door with holes in the right side, an automatic control system is fixedly connected to one side of one shielding door with holes in the left side, and a left tunnel and a right tunnel are correspondingly arranged on one side of each shielding door with holes in the left side and one side of each shielding door with holes in the right side. The automatic control system adjusts the angle of the rotary baffle and closes the holes in the shielding doors on the two sides through a control circuit, on one hand, the filter screen can filter out coarse particles, on the other hand, the shielding doors can block fine particles such as PM2.5, and therefore dispersion of the particles in the tunnel into the platform is reduced, and in summer, due to the fact that the holes of the shielding doors are closed, the shielding doors can not be blocked. The loss of cold air in the platform into the tunnel is reduced, and energy is saved.

The invention relates to the field of metro station air conditioning system energy consumption prediction, and discloses a self-correcting metro station air conditioning energy consumption simulation system and method.The simulation system comprises a main cause analysis module and a self-correcting module, and the self-correcting module establishes a corresponding energy consumption simulation model and optimizes the energy consumption simulation model; the main cause analysis module comprises a data acquisition module and a data analysis module; the self-correction module comprises a model building module and an optimization module. The invention further discloses a simulation method based on the system, principal component analysis is performed on measured data of the subway station air conditioner system, an optimization algorithm is utilized to automatically correct an energy consumption simulation model, and the corrected energy consumption simulation model is applied to the subway station air conditioner control system. Therefore, the energy efficiency of the air-conditioning system of the subway station is quickly and accurately predicted, and efficient and low-consumption operation of the air-conditioning system is improved.

The application discloses a transfer planning method, system, equipment and medium based on multiple public transport modes, and belongs to the field of metro transfer. The application can provide a most comfortable metro transfer route.

The invention relates to the field of anti-falling surfaces, in particular to an anti-falling telescopic device for a metro platform screen door, which comprises a mounting groove formed in a metro platform, and further comprises a telescopic plate, a traction mechanism and a jacking mechanism, the traction mechanism comprises a sliding plate, a transmission assembly and a first rotating assembly, and the jacking mechanism comprises a second rotating assembly, two guide rails and two swing assemblies. According to the anti-falling telescopic device for the metro platform screen door, when the metro platform screen door is opened every time, the jacking mechanism is driven by the traction mechanism to operate, so that the telescopic plate ascends to fill up a gap between the edge of a metro platform and the metro door, the metro platform screen door is prevented from falling off, and the service life of the metro platform screen door is prolonged. A passenger can conveniently tread and pass, independent power equipment does not need to be arranged for supplying power to the telescopic plate to achieve opening and closing of the telescopic plate, the power consumption of the device is reduced, and then the anti-falling cost is reduced.

Methods for optimizing metro operation scheduling in a smart city are provided. The method may be realized by an Internet of Things system for optimizing metro operation scheduling in a smart city including a user platform, a service platform, a management platform, a sensor network platform, and an object platform. The method may be executed by the management platform, and may comprises: obtaining, based on the object platform, passenger flow data of at least one metro station related to a target station by the sensor network platform; determining predicted passenger flow data of the target station in a target period of time based on the passenger flow data of the at least one metro station; and determining an operation scheduling scheme of the target station in the target period of time based on the predicted passenger flow data, the operation scheduling scheme including at least a metro departure interval.

The utility model belongs to the technical field of metro station water supply and drainage pipeline pressing, and particularly relates to a reusable pressing tool for a clamping and pressing pipeline. Comprising an automatic exhaust device, an exhaust end shut-off valve and an expansion plug connector which are sequentially connected in series through a pipeline. A tee joint is connected between the exhaust end shut-off valve and the expansion plug connector, a transverse connector of the tee joint is connected with a first port of a drainage ball valve, and a second port of the drainage ball valve is used for being connected with a supercharging device. The expansion plug connector is used for being inserted into a to-be-pressed pipeline. According to the reusable pressing tool for clamping and pressing the pipeline, the technical problems that in the prior art, a thin-wall stainless steel pipeline connected in a clamping and pressing mode wastes pipe fittings and is low in efficiency are solved, the expansion plug connector can be matched with a pipeline without a special connector, the expansion plug connector is designed to be replaceable through a rubber plug, and the utilization rate of the expansion plug connector is improved. The single tool can adapt to pipelines with different pipe diameters, only the fixing boss needs to be detached when the rubber plug is replaced, the whole tool does not need to be replaced, and the equipment investment cost is reduced.

The invention discloses a metro station structure based on a large shield underneath passing existing line section and a construction method, the metro station structure comprises a first underground station hall layer, a second underground equipment layer, a third underground platform layer, a first existing line, a second newly-built line and a third long-term planning transfer line, the second newly-built line underneath passing existing line, the second newly-built line is perpendicular to or obliquely crossed with the third long-term planned transfer line, and the first underground floor station hall layer, the second underground floor equipment layer and the third underground floor platform layer are vertically arranged; the construction method comprises the following steps that open excavation construction is conducted at the two ends of the station; the construction method comprises the steps of constructing a shield tunnel, excavating the shield tunnel, constructing an ascending line L2 of a second new line, constructing a descending line L2'of the second new line, constructing a platform plate in the tunnel, constructing a rail top air duct in the tunnel, excavating a pipe-jacking tunnel and connecting a station hall layer of a station.. The construction method has the advantages that the influence on the existing line is small, the construction is fast, the investment is saved, and the adaptability of rail traffic construction is improved.

The utility model relates to the field of metro station electromechanical decoration, and discloses a multifunctional integrated public chair which comprises a shell, an upper layer cavity is formed in the shell, a lower layer cavity used for containing fire fighting equipment is arranged below the upper layer cavity, and the upper layer cavity and the lower layer cavity are mutually independent. Detachable access doors are mounted at the two ends of the upper-layer cavity, and a display screen is embedded in each access door; a cabinet door capable of being opened and closed is arranged at one end of the lower-layer cavity, a vertical plate is arranged at the other end of the lower-layer cavity, and a seat body is arranged on the side, adjacent to the access door, of the outer portion of the shell. The fire-fighting equipment is integrated into the shell, the seat bodies are arranged on the two sides of the shell, and the display screens are arranged at the front end and the rear end of the shell, so that passengers can wait for a bus to have a rest, station guidance, station periphery and other information can be obtained in time through the display screens, the fire-fighting equipment can be placed in a unified mode, and the purposes of convenience in operation and maintenance, practicability and attractiveness are achieved.

The present application belongs to the field of metro station environment regulation, and discloses a kind of metro station in environmental adaptive energy-saving control method;Including: using environmental parameter set to calculate outdoor enthalpy and indoor enthalpy, and using improved smoothing algorithm to optimize calculation indoor environment data, for the selection and control of operating mode;Predefine operating mode, and set the judgment standard of operating mode;Set operating mode switching logic and smooth switching mechanism, and adaptively adjust the mode running in the station;Based on environmental parameter set design dynamic correlation model, the parameters of environmental parameter set are associated with each other, based on dynamic correlation model design parameter gradual change optimization model, output optimized control parameters, output control parameters according to time sequence in adjustment cycle, rolling update is carried out, the switching of operating mode is completed by minimizing objective function, and the adaptive energy-saving control of metro station environment is realized.

The invention discloses a subway platform door system health degree evaluation and prediction method based on operation and maintenance data, and relates to the technical field of intelligent operation and maintenance of urban rail transit equipment, and the method comprises the steps of health degree evaluation system construction, feature optimization, time sequence prediction model design and verification, and model and time sequence analysis driven by fusion data. And dynamic evaluation and accurate prediction of the health state of the subway platform door system are realized. And a data driving method is closely combined with actual operation and maintenance requirements, so that the whole process optimization from health state evaluation to dynamic prediction is realized. Specifically, according to the patent scheme, firstly, a scientific and reasonable health degree evaluation system is constructed through a multiple linear regression model, the model is based on 14 key feature variables of a subway platform door system, SPSS software verification shows that the multiple correlation coefficient reaches up to 0.964, the decision coefficient reaches 0.929, and it is indicated that the model can accurately quantify the equipment health state; and a solid foundation is laid for subsequent prediction.

Provided is a centrifuge model test-based method for evaluating the impact of groundwater level fluctuations on metro station safety. In a centrifuge test model, after a centrifuge reaches a preset centrifuge acceleration value and operates stably for a period of time, the stress, strain, deformation and displacement of a metro station structure are recorded as first state data of the metro station structure; and a test water level is repeatedly raised and lowered, corresponding state data is recorded, and comparative analysis is performed on multiple sets of state data to analyze the impact of groundwater level fluctuations on the uplift resistance and structural safety of a metro station.

The invention relates to the technical field of rail transit automation control, in particular to a software-defined lightweight distributed rail transit station control system, which comprises a plug-in box, a power panel, a core board and a detachably installed software-defined peripheral interface board. The core board is connected with the software-defined peripheral interface board through a high-speed bus and a low-speed bus to realize real-time data transmission and configuration management, the software-defined peripheral interface board is integrated with a microprocessor, an interface circuit supports hot plug and local logic operation, a Lua script engine is arranged in the software-defined peripheral interface board, graphical or script programming is supported, and the software-defined peripheral interface board is connected with the software-defined peripheral interface board. The core board adopts an RISC-V architecture microprocessor, has the functions of board card registration, configuration issuing, health monitoring and redundancy scheduling, and supports automatic networking and second-level takeover of fault nodes. The system deploys an RT-Thread real-time operating system, has a multi-node instruction conflict resolution mechanism, arbitrates the control right according to the priority and the timestamp, and is suitable for multi-device cooperative control of the rail transit station.

The utility model discloses a closed water stop structure for post-construction of a subway station communication channel, which comprises the subway station communication channel, an existing communication channel and a post-construction communication channel, and the post-construction communication channel is arranged on the right side of the existing communication channel. The closed water stop structure comprises a large-diameter vertical water stop body and a large-diameter large-angle inclined water stop body, the large-diameter vertical water stop body is arranged at the right end of the existing communication channel, and the large-diameter large-angle inclined water stop body is arranged at the right end of the existing communication channel. The structure effectively cuts off hydraulic connection inside and outside the foundation pit at the joint of the bottom plate and the weak water stop position of the end corner, ensures smooth construction of the subway station communication channel, is suitable for complex geological conditions of high underground water areas, and can effectively reduce the construction cost while the operation safety of the existing subway is not influenced. And construction of connecting channels with commercial centers of surrounding plots is completed.

The application discloses a kind of underground excavation expansion support structure system of existing metro station downward storey, comprising: non-closed beam pipe curtain, it is set in the soil below existing metro station, and the side of pipe curtain towards existing metro station is formed with through gap;Connecting structure, including freezing cushion, top beam of reverse construction and water stop reinforcing part, freezing cushion is arranged between pipe curtain and the bottom of existing metro station, top beam of reverse construction is poured in the bottom of existing metro station and is arranged in through gap, top beam of reverse construction connects the inner wall of pipe curtain, water stop reinforcing part is connected to the outer wall of pipe curtain, freezing cushion and the bottom of existing metro station;Pre-support reinforcing body is supported between the opposite two inner walls of pipe curtain.The application solves the problem that existing shield method or mine method is used in the expansion and reconstruction of old station downward storey, and it is difficult to realize platform transfer or the amount of reinforcement is large, construction disturbance is large, construction speed is slow.

This application relates to the field of intelligent transportation technology, and in particular to a method and system for detecting abnormal events at urban rail transit stations. The method includes: inputting real-time monitoring data into a pre-set edge-side small model to judge anomalies in the real-time monitoring data; and, when an anomaly is determined, inputting the real-time monitoring data into a cloud-based large model for anomaly verification to obtain the corresponding anomaly detection result. The edge-side small model is trained through the following steps: mapping each detection head in the edge-side small model to the feature output layer used for knowledge distillation in the cloud-based large model to align the feature output layer with the corresponding detection head; and performing feature distillation on the edge-side small model based on a pre-collected second small model training dataset to obtain a trained edge-side small model. This method ensures anomaly recognition efficiency while improving anomaly recognition accuracy.

The utility model discloses a roof backfill construction structure and metro station construction structure, metro station includes roof main body structure, be provided waterproof layer on roof main body structure and be provided protective layer on waterproof layer, roof backfill construction structure includes: partition structure, be provided on the protective layer of target metro station, be provided with the roof backfill construction structure on the protective layer of target metro station, the upper part of the top plate main body structure is divided into a plurality of separated areas in a latticed manner; the soil material is used for backfilling the separation area in a flow state so as to be solidified in the separation area to form a soil body; and the fixing assembly is of a latticed structure and is used for being arranged on the separation structure and being connected with the soil body.

The invention relates to the technical field of metro station design, and discloses an underground station with a metro equipment management room and a metro affiliated upper cover built together and a method, and the underground station comprises an underground part and a ground affiliated part built together with the equipment management room; the underground part comprises a station platform located on the second underground floor and a station hall located on the first underground floor. A public area toilet, a sewage pump room, a wastewater pump room, a platform door equipment room and a lighting power distribution room are arranged on the station platform; the station platform is connected with the station hall through an elevator and a building escalator; a mechanical air duct and a mechanical fan are arranged on the two sides of the station hall. On the basis that the advantages of underground construction of the subway are reserved, main equipment and management rooms of the subway are adjusted to be constructed on the ground, the underground excavation length of the subway is effectively reduced, the equipment management rooms and an auxiliary upper cover of the subway are jointly constructed, construction is conducted in combination with the original auxiliary excavation range of the subway, and extra demolition and land acquisition are not added.

The present application belongs to the field of metro station electromechanical system control, and particularly relates to a metro station air conditioning system automatic control method based on reinforcement learning. The present application takes metro digital twin as a virtual sand table, uses a reinforcement learning algorithm to enable a computer to deduce and generate an executable and operable optimal control scheme at low cost and high efficiency, effectively solves the high energy consumption problem of building air conditioning systems, and has important technical value and practical significance. The goal of automatically deducing and generating an executable and operable optimal control scheme is achieved, thereby reducing the number of repeated adjustments, effectively reducing the work difficulty and personnel cost of personnel, and solving the pain point problem of high energy consumption of metro station air conditioning systems. Meanwhile, the present application has a certain generalization ability and can be applied to other air conditioning system forms or other electromechanical systems.

The invention provides metro station Internet of Things module equipment based on the Internet of Things technology and a networking method. The metro station Internet of Things module equipment comprises a bottom plate and a function module, wherein the function module comprises a power supply module, a main control module and an equipment module; the power supply module is used for providing a stable power supply for other functional modules of the Internet of Things module, monitoring and protecting a power supply state, and giving an alarm when an abnormality occurs; the main control module is used for realizing central management, two-way communication and intelligent relay functions of each functional module by running an embedded operating system; and the equipment module is used for peripheral signal acquisition and field-level logic control functions. The invention aims to provide real-time and accurate data support for operation management of the station.

The invention discloses an urban rail station classification carbon emission calculation method and system based on machine learning. The method is applied to the technical field of urban rail transit carbon emission calculation and comprises the steps that urban rail station building material carbon emission data are collected and preprocessed, and processed data are obtained; based on the processed data, adopting a PCA (Principal Component Analysis) combined clustering method to classify the stations, and extracting to obtain principal components; performing clustering analysis on the principal components by adopting a system clustering method to obtain a station classification result; and measuring and calculating the carbon emission in different construction stages based on a station classification result. In this way, the metro station carbon emission is measured and calculated through the method combining principal component analysis and clustering analysis, a more targeted and effective solution can be provided for accurate carbon reduction of the metro station, and low-carbon development of urban rail transit construction is promoted.

This certificate of addition to the main patent relates to a recording and indicator device for locations, messages, and appointments, intended particularly, but not exclusively, for use in ski slopes and winter sports resorts. It is characterized by the use of magnetic cards whose access codes allow for the recording or retrieval of location and time instructions useful for locating people. There are two types of cards: - TX cards for reading and recording messages; - RX cards (RX1-RX2-RX3) for reading messages only. The significant functions expressed by the device include: - suggested locations; - suggested times; - a recipient (RX1-RX2-RX3). The invention is intended for use in ski slopes and winter sports resorts, tourist or Olympic cities, public places, metro stations, and train stations.

This invention relates to a purple basket-shaped fungus ( Talaromyces purpureogenus This invention relates to the field of microbial technology, specifically to strain D01, a purple basket-forming bacterium. D01 has been deposited at the Guangdong Provincial Microbial Culture Collection Center (GDMCC) under accession number GDMCC NO.66458. This strain was isolated and purified from soil samples near the exit of Taihe Metro Station in Guangzhou. Experiments show that the antibacterial active substances produced by the fermentation of this strain have good antibacterial effects against Burkholderia cepacia, Staphylococcus aureus, Pseudomonas putida, Pseudomonas aeruginosa, Escherichia coli, and Candida albicans. Furthermore, these antibacterial active substances exhibit high-temperature resistance and excellent preservative effects, making them suitable as antibacterial and preservative raw materials for applications in food, health products, and daily chemical products. This demonstrates broad application prospects and significant value for transformational research.

The application discloses a kind of metro anti-floating seismic structure and construction method using double-layer gravity pouring pile.The anti-floating seismic structure includes station structure bottom plate, double-layer gravity pouring pile installed below station structure bottom plate, counterweight block arranged on pile top.Counterweight block is covered with concrete bottom seal.Double-layer gravity pouring pile includes inner pile pipe, outer pile pipe and top sealing plate;Inner pile pipe is sleeved in outer pile pipe;Top sealing plate closes the space between inner pile pipe and outer pile pipe as independent cavity.Independent cavity is filled with high-expansion gas before pouring;Inner layer hot melt liquid is poured in inner pile pipe during pouring, independent cavity is opened and poured with outer layer hot melt liquid.A plurality of holes are arranged on outer pile pipe at intervals;Holes are blocked with deformation sheet;Deformation sheet has plastic deformation capacity, and melting point is lower than pouring temperature of outer layer hot melt liquid.The anti-floating seismic structure and construction method effectively improve the anti-seismic and anti-floating performance of metro station structure by combining mechanical anchoring and gravity counterweight.

The invention relates to a permanent-temporary combined annular pipe-roofing underground excavation construction subway station tunnel arch opening reinforcing structure and a construction method, and belongs to the technical field of underground space construction. Comprising a temporary supporting structure and a permanent supporting structure, the temporary supporting structure comprises pipe roof linings arranged on the lower sides of annular pipe roofs on the two sides of an area close to a hole, and a door-shaped supporting steel frame is arranged below the pipe roof linings and fixed to the bottom of a tunnel; the permanent supporting structure comprises annular reinforcing beams, longitudinal reinforcing beams and pipe curtain anchor bars, the longitudinal reinforcing beams are arranged along the annular pipe curtain section on the two sides of the trepanning area, one ends of the pipe curtain anchor bars are implanted into the annular pipe curtain section, the other ends of the pipe curtain anchor bars are implanted into the longitudinal reinforcing beams, and the annular reinforcing beams are arranged below the two ends of the longitudinal reinforcing beams. The annular reinforcing beams are fixed to the annular pipe roofs in the non-perforated areas through the annular reinforcing beam anchor bars. The temporary supporting structure and the permanent supporting structure are combined, the tunnel arch structure can be reinforced under the condition of large holes, a new stable stress system can be formed after the annular pipe roofing is locally cut off, and tunnel construction safety is guaranteed.