12 results about "Metro station" patented technology

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 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 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.

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 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.