623 results about "Subway station" patented technology

The invention discloses a large-section long-footage mechanical blasting mixed excavation method suitable for a subway station, and relates to the technical field of underground rail transit engineering, and the method comprises the following steps: obtaining a tunnel section contour, a geologic structure and blasting parameters, building a three-dimensional blasting wave propagation inversion model, and combining geology and material heterogeneity to obtain a three-dimensional blasting wave propagation inversion model; and identifying a closed space region forming reflection interference, and predicting a space point location where blasting wave energy is abnormally accumulated. Based on the three-dimensional blasting wave propagation inversion model, the abnormal wave energy accumulation area is predicted in combination with geological heterogeneity, the high-risk blasting section is recognized, parameters are reconstructed, vibration real-time monitoring and model feedback correction are assisted, a closed-loop control system is constructed, local wave crest abnormity is effectively restrained, and the safety and controllability of large-section tunnel blasting construction are improved.

The invention discloses a subway service robot real-time path planning method based on a graph neural network, and the method comprises the following steps: scanning the environment in a subway station, completing the map construction, and obtaining basic environment data; performing target detection and personnel statistics to form an environment and passenger flow fusion map; taking the fused map as input, setting a starting point and a target position, and outputting a global path search initial state; calling an improved A * algorithm to carry out node expansion, calculating a cost estimation function, and generating candidate paths; performing redundant node deletion and arc smoothing processing on the candidate path, performing step length dynamic adjustment, and outputting an optimized global path; performing local path planning by adopting an improved dynamic window method, and outputting an update path in real time; a passenger evacuation scheme is generated and is output through a display screen and voice broadcast, evacuation is guided, and passing is guaranteed. According to the invention, real-time path planning of the subway service robot is realized.

The invention relates to the technical field of subway passenger flow prediction, and discloses a space-time perception subway passenger flow prediction method based on large model and multi-source information fusion, which comprises the following steps: constructing a data agent based on a large language model and a model context protocol; generating text description of each subway station and a corresponding spatial context embedding vector based on the peripheral interest point data of each subway station by utilizing a data agent; constructing an enhanced graph neural network according to the spatial context embedded vector, and performing spatio-temporal joint prediction based on the historical passenger flow data and the spatial context embedded vector by using the enhanced graph neural network to obtain a preliminary passenger flow prediction result; and constructing a cue word template, and performing domain knowledge calibration based on the cue word template by using the pre-trained large language model to obtain a final passenger flow prediction result. According to the method, external multi-source information is deeply fused, so that the urban rail transit passenger flow prediction task performance, robustness and interpretability are remarkably improved.

The invention provides a dynamic planning method for a fire evacuation path of a deep subway station based on a cellular automaton, and the method comprises the steps: building a subway space topology through employing the cellular automaton, simulating a fire environment through employing an FDS tool, and obtaining environment data; constructing a multi-field model based on subway space topology and environment data; based on the multi-field model, the pedestrian transition probability is calculated, then the pedestrian transition probability is corrected in combination with the deep subway facility characteristics and the pedestrian consensus behaviors, and finally the corrected pedestrian transition probability is output; and optimizing a cost function of an A star algorithm based on the corrected pedestrian transition probability to obtain a dynamic cost function, further obtaining an improved A star algorithm, planning an initial path based on the improved A star algorithm, formulating a path updating rule, and implementing a smooth transition strategy to realize dynamic path planning. According to the invention, the evacuation safety and the scheduling efficiency under the fire situation can be improved.

The invention provides a metro platform screen door safety monitoring method and monitoring system based on multi-source data analysis, and the method comprises the steps: obtaining a multi-source data set of a target metro platform, carrying out the time-space alignment processing of the multi-source data set, generating a multi-modal monitoring data set fusing the time-space characteristics, and carrying out the monitoring of the metro platform screen door safety. And performing foreign matter identification processing based on the multi-modal monitoring data set, generating a foreign matter monitoring result and foreign matter position distribution information of the shielding door area, performing density prediction processing according to the foreign matter monitoring result and a passenger flow data sequence in the multi-source data set, generating a passenger linear density prediction result and density change trend information, and performing density prediction processing according to the passenger linear density prediction result and the density change trend information. And generating a safety early warning strategy based on the foreign matter position distribution information and the density change trend information, and transmitting the safety early warning strategy to a subway platform control system to trigger emergency response operation. According to the invention, the emergency processing efficiency and passenger guidance accuracy of the subway platform in a sudden foreign matter blocking scene are effectively improved.

The invention relates to the technical field of twin models, in particular to a subway station flood prevention simulation method and system based on a three-dimensional model. According to the method, local important evaluation indexes are obtained through placename approximate analysis and concavity-convexity analysis of structures of point cloud data in a neighborhood space, and structural important evaluation indexes of single point cloud data are determined by combining and analyzing density distribution complexity in the neighborhood space; clustering the point cloud data and dividing the point cloud data into different regions; analyzing depth distribution of all the point cloud data in the regions; combining structural importance evaluation, determining an attention rate of each region, performing differential modeling and semantic processing to obtain a semantic three-dimensional model; and combining a hydrodynamic model to obtain a digital twinborn model. According to the method, differentiated three-dimensional modeling is carried out by evaluating the importance of each point cloud data in subway station flood prevention simulation, and flood prevention analysis is carried out more comprehensively and accurately by combining a digital twin model with a hydrodynamic model, so that the protection capability of subway flood prevention is improved.

The invention provides a subway platform edge behavior abnormity real-time identification and early warning method based on deep learning, and relates to the technical field of deep learning, which comprises the steps of obtaining real-time video data, performing pedestrian detection and track extraction, calculating behavior characteristic parameters and a dynamic distance threshold value, performing danger grade division on pedestrians, and performing early warning and early warning. According to the method, time sequence feature extraction is carried out on potential dangerous targets, a behavior abnormity scoring mechanism is established, timely early warning of abnormal behaviors is realized, the accuracy and real-time performance of safety monitoring of the subway platform can be effectively improved, and the occurrence rate of safety accidents can be reduced.

The invention discloses a subway multi-line transfer station flood multi-target dynamic evacuation path planning method. The method comprises the following steps: establishing a three-dimensional space model by acquiring subway station structure information, and abstracting the three-dimensional space model into network representation; real-time water regimen information is obtained through a hydrological sensor and video monitoring, preprocessing and fusion are carried out, and water regimen sensing data under unified space-time reference are generated; in-station crowd information is obtained in real time through video target detection, the crowd density and the traffic capacity are calculated, and crowd situation perception data are formed; generating a plurality of group evacuation path candidate schemes for different types of passengers by adopting a real-time path search algorithm in combination with the water regimen, the people flow situation and the trafficability constraint; evacuation paths are classified according to passenger types, evacuation guidance is issued through a multi-terminal channel, and differentiated dynamic guidance of departure passengers, transfer passengers and mobility-disabled passengers is achieved. According to the method, flood disasters and people flow changes can be responded in real time, and the evacuation efficiency and safety of the subway transfer station are improved.

The invention discloses a subway passenger flow prediction method, system and device considering subway-bus transfer, and a medium, and the method comprises the following steps: obtaining the historical passenger flow of a subway station in a certain region within a period of time and the historical passenger flow of a corresponding bus station around each subway station, and forming a data set; dividing the data set into a training set and a test set according to a time sequence; constructing a dynamic space-time decomposition and fusion network, wherein the dynamic space-time decomposition and fusion network comprises a time sequence decomposition module, a dynamic graph convolution module, a gated cross-modal attention fusion module and a dual-path space-time adaptive fusion module; and training the dynamic space-time decomposition and fusion network by using the training set and the test set, and predicting the subway passenger flow volume by using the optimized dynamic space-time decomposition and fusion network by using a mean absolute error, a root-mean-square error and a weighted mean absolute error percentage as performance evaluation indexes. The prediction precision is improved, and the practicability and generalization ability of the model are enhanced.

The invention is suitable for the field of intelligent illumination control and energy-saving management, and provides an illumination state monitoring management method and system for energy-saving operation of a subway station, and the method comprises the steps: continuously collecting the electrical characteristics, optical performance parameters, equipment basic attributes and historical operation records of illumination nodes, and carrying out the fusion to form analysis basic data; identifying potential fault risk nodes based on the data; simulating a fault influence by using a digital twin model and comparing the fault influence with a safety standard; and starting preventive optical compensation or compensation-combined graded early warning according to a comparison result. The system correspondingly comprises a parameter acquisition module, a risk analysis module, an influence analysis module and an optical compensation and early warning module. According to the invention, fault advanced pre-judgment, accurate compensation and efficient operation and maintenance are realized, the energy-saving and safe operation requirements are balanced, and the intelligent management level of the illumination system is improved.

The invention relates to the technical field of metro key station identification and vulnerability evaluation methods, in particular to a metro key station identification and vulnerability evaluation method, which specifically comprises the following steps: step 1, metro network construction: establishing a weighted metro network model by adopting a Space-L space method according to a topological relation between metro stations and intervals, taking stations as nodes, intervals as edges and passenger flow as edge weights to form a weighted graph structure reflecting passenger travel rules, constructing an OD passenger flow matrix based on subway passenger flow card swiping data, and quantifying passenger flow connection strength between different stations; according to the method, the time-varying importance evaluation of the dynamic Domiank is combined with the feature learning ability of the graph convolutional network, and meanwhile, the structural complexity and passenger flow dynamic features of the subway network are described, so that the high-precision identification of the key stations and the comprehensive evaluation of the network vulnerability are realized.

The invention relates to a carbon dioxide combined cooling heating and power supply system, which realizes liquid carbon dioxide energy storage and combined cooling heating and power supply through the technologies of liquid carbon dioxide energy storage, Brayton expansion power generation or pressure increasing heating, carbon dioxide variable-capacity stable-pressure storage and gas transmission, and provides a new energy source for safe and long-period operation and large-scale or small-scale application of an energy storage device. An efficient and feasible technical path is provided for'valley shifting and peak filling 'of photovoltaic power, wind power and a power grid, and the method is suitable for various application scenes such as subway stations, large shopping malls, refrigeration houses or large electricity users.

The invention discloses a grouting lifting device for an existing close-to-underpass structure of a subway station, and relates to the technical field of engineering construction equipment, the grouting lifting device comprises a mobile vehicle, a grouting assembly, an adjusting frame, a first linear driving mechanism, a grouting pipe, a second linear driving mechanism and a grouting head. The grouting assembly conducts grouting lifting work, a grouting pipe in the grouting mechanism is used for conducting grouting conveying on grout, and the grouting pipe discharges the grout from a grouting head; the second linear driving mechanism can drive the grouting pipe to do linear reciprocating motion, the grouting pipe is matched with the grouting head to achieve reciprocating type impact operation on grout, so that the grout in gaps and holes in an existing structure does pulse type motion, the compaction treatment effect of the grout in the existing structure or on a foundation soil layer is better, and the grouting efficiency is improved. The contact filling uniformity of the grout to the interior of the existing structure or the soil layer of the foundation is better, and the reinforcing and lifting effect of grouting on the foundation is better.

The invention provides a safety-oriented subway station passenger flow dynamic control method and system, and relates to the technical field of rail transit, and the method comprises the steps: calculating the time utility of each directed path and the selection probability of stairs and ladders according to real-time detection data, simulating the pedestrian walking process based on a microscopic pedestrian simulation model, and constructing a subway station simulation model; performing gridding processing on the preset risk detection area, constructing a multi-level comprehensive risk degree evaluation model based on the subway station simulation model in combination with the congestion level, the space risk, the train operation condition and the traffic capacity, and determining the comprehensive risk degree; constructing a prediction model; and with the minimization of the difference between the predicted risk degree and a set safety reference value as a target, optimizing the pull-in service delay time through closed-loop control to obtain the pull-in service delay time. The invention provides a metro passenger flow control method oriented to microscopic crowd safety. The metro passenger flow control method overcomes the defect that in the prior art, only the macroscopic service level or congestion is concerned, and local dynamic risks are ignored.

The invention relates to a subway station large passenger flow early warning method and system based on real-time data, and the method comprises the steps: obtaining the real-time mobile phone signaling data of a subway station and the surrounding, and carrying out the preprocessing of the real-time data; performing short-time passenger flow prediction and long-time passenger flow prediction based on the processed mobile phone signaling data; wherein the short-time passenger flow prediction adopts an ARIMA model to predict the passenger flow of each time window in the future set hours; according to long-time passenger flow prediction, an addition time sequence decomposition model is adopted to decompose a passenger flow sequence into a trend item, a season item and a residual item, the trend item is predicted through a polynomial regression model, the season item is predicted through a model based on Fourier series, and a long-time passenger flow prediction result is obtained based on the predicted trend item and the predicted season item; and performing early warning judgment according to the passenger flow prediction result and an early warning threshold dynamically updated based on the real-time passenger flow data. Compared with the prior art, the accuracy, timeliness and adaptability of large passenger flow early warning are effectively improved, and powerful support is provided for subway operation safety.

The invention discloses a single-circle staggered island shield metro station and a construction method thereof, and belongs to the technical field of metro, the metro station comprises a plurality of sections of tubular shield segments, a metro station space is formed in the shield segments, and a prefabricated opening part, a shielding door system and an assembly type middle plate are sequentially arranged in the metro station space from bottom to top; the subway station space is divided into a platform layer and a station hall layer through the assembly type middle plate, and the middle of the assembly type middle plate is supported through concrete middle partition walls arranged in the two shielding door systems at intervals in the longitudinal direction. Two fixed doors and two movable doors are further arranged between every two adjacent concrete mid-partition walls, the two sides of the two fixed doors are connected with the concrete mid-partition walls and the movable doors respectively, and the two movable doors can slide relative to the two fixed doors respectively and are used for communicating or separating the platform area and the rail-mounted area. According to the single-circle staggered island shield subway station, the space occupied by the shielding door can be reduced, the internal structure of the station is compact, the underground space is effectively utilized, and the shield diameter of the station is reduced.

The invention relates to the technical field of subway security and protection monitoring and video transmission, in particular to a subway security and protection monitoring video quick calling and multi-channel transmission optimization system, which comprises an analysis module used for extracting a feature set of multi-source heterogeneous metadata in a subway station and carrying out matching calculation on the feature set and an abnormal event template to obtain a matching confidence coefficient; if the matching confidence exceeds a preset threshold, judging that an abnormal event occurs and outputting an event feature identifier; determining an influence range and an association path of the event by combining space and scene information in the metadata according to the event feature identifier; and based on the influence range and the association path, obtaining a target equipment calling list containing the equipment identifier, the space-time weight and the initial priority. Intelligent sensing is realized through multi-source data fusion, dynamic resource allocation is realized through scheduling and channelization, and stable delivery of streaming media is guaranteed through adaptive coding and reliable transmission, so that the emergency response capability of a subway security monitoring system is comprehensively improved.

The utility model relates to the technical field of subway platform doors, and discloses an aluminum alloy subway platform door device which comprises a doorsill, a lintel, a door body and a stand column assembly connected with the doorsill, the lintel and the door body. The door body is composed of a door frame and tempered glass bonded to the door frame. Connecting corner connectors and connecting plates are arranged in the four corners of the door frame in a hidden mode, each connecting corner connector is a rectangular groove and clamped in a transverse frame of the corresponding corner of the door frame, and the size of each connecting corner connector is matched with the size of the section of the corresponding transverse frame. The connecting plate is clamped in the vertical frame at the corner of the door frame at the position consistent with the connecting corner brace in height, and the size of the connecting plate is matched with that of the section of the vertical frame; the connecting corner connectors are fixedly connected with the connecting plates through connecting screws so as to fixedly connect the transverse frames and the vertical frames at the corners of the door frame; the doorsill, the lintel, a door frame of the door body and the stand column assembly are all made of aluminum alloy. On the premise that the strength of the door body of the platform door is guaranteed, the phenomenon that the platform door is blocked when being opened under high wind pressure is avoided.

The embodiment of the invention provides a construction method of a laminated station and a laminated subway station, and the construction method comprises the following steps: pouring to form a station bottom plate; a running track is installed on a station bottom plate and extends in the longitudinal direction of a station. A first middle stand column is installed at the longitudinal starting end of the station and fixed to a station bottom plate in a grouting mode; assembling trolleys are installed and debugged on the walking rails; the side wall blocks are hoisted to the assembling trolley, and the assembling trolley carries the side wall blocks to the installation position along the walking track and carries out installation; after at least three side wall blocks are assembled on the assembling trolley, a second middle stand column is installed in place and fixed to a station bottom plate in a grouting mode; a longitudinal beam is installed between the tops of every two adjacent middle stand columns; sequentially installing at least three top plates between the assembled side wall blocks and the longitudinal beams; and the steps are repeated to install the middle stand columns, the side wall blocks, the longitudinal beams and the top plate. According to the construction method of the laminated station provided by the embodiment of the invention, the assembly requirement of the laminated station can be met, and the construction efficiency can be improved.

The invention discloses a tunnel-first and station-second mechanical underground excavation and expansion subway station and a construction method, and the subway station is located between two parallel subway interval tunnels and comprises a pipe jacking connection interval located between the two subway interval tunnels. Each pipe jacking connection section extends in the length direction of the subway section tunnel, and shafts are arranged at the two ends of each pipe jacking connection section. Each metro interval tunnel is connected with the pipe jacking connection interval through more than one connection channel; each vertical shaft is of a structure that a subway station is communicated with the ground. During construction, the vertical shaft is firstly built, and meanwhile the metro interval tunnel is constructed; a pipe jacking connection interval is built between the two vertical shafts; and finally, all the channels are constructed. A mechanical method is adopted for construction, and rapid, intensive and low-influence construction of subway engineering is achieved on the premise that few ground resources are occupied and the influence on the surrounding environment is small.

The invention discloses a double-layer three-center circular-arch-shaped subway station structure which comprises an arch-shaped top plate, two side walls connected with the two ends of the arch-shaped top plate respectively, a middle plate arranged between the two side walls and a bottom plate arranged at the bottoms of the two side walls, and the middle plate divides the subway station structure into an upper layer and a lower layer; the arch-shaped top plate is a three-centered circular arch-shaped top plate, two arches connected with the two side walls are tangent to the corresponding side walls respectively, and the rise span ratio of the arch-shaped top plate is 0.15-0.4. The problems that a rectangular subway station is poor in structural stability, low in space utilization rate, high in long-term maintenance cost and poor in attractiveness can be solved.

This invention discloses a method for generating key flood control nodes in subways based on image recognition of the subway's internal environment, relating to the field of flood control technology. The method includes: acquiring the judgment features of at least one transverse ditch; identifying at least one location of the transverse ditch within the subway as a reference location; obtaining at least one reference area, forming a flood control area within the reference area; obtaining the water flow trend within the flood control area, and analyzing the confluence point of the flood control area; acquiring the number of sandbags within the subway station as the feature count, and obtaining the feature wall of the confluence point; determining the number of sandbags allocated to the confluence point as the target count; and generating key flood control nodes at the confluence point. By identifying the reference location, forming the flood control area of ​​the reference area, obtaining the confluence point of the flood control area, and generating key flood control nodes at the confluence point, a better flood control effect can be achieved, effectively preventing the spread of flooding and minimizing the impact of flooding on the subway station.

The invention provides an escalator remote function safety device based on a safety PLC and a control method, and relates to the technical field of elevator safety control, and the escalator remote function safety device based on the safety PLC comprises an AI abnormal behavior detection module; a master control room monitoring and output module; a signal transmission module; an escalator control cabinet detection module; and a safety loop control module. By means of AI behavior recognition, safety PLC closed-loop control and remote signal transmission, remote emergency stopping of the escalator under the abnormal working condition is achieved, the SIL2 safety integrity level requirement of the IEC61508 standard is met, and the system is suitable for escalators and moving sidewalks in crowded places such as shopping malls, subway stations and airports.

The present application relates to geothermal energy development and utilization technical field, specifically to a kind of energy underground subway station design method based on federal learning, through parameter collection, local client local model update, calculation result is uploaded to central server, central server carries out update calculation, issue to local client local model, update iteration until global model robustness, the design result of each module is calculated, and heat exchange efficiency and thermal stress are predicted.The energy underground subway station design method proposed in the present application can fully consider the coordination between indoor user end, unit equipment selection and three kinds of energy station structure pipe end in station, and the design scheme obtained can greatly meet the energy-saving and emission-reducing design concept, with low calculation cost, the influence of heat exchange efficiency and heat exchange process on station structure can be accurately evaluated, and compared with traditional test method and field monitoring method, the cost of manpower and material resources can be greatly reduced.

The road construction protection device penetrating through the existing subway station comprises a protection vertical plate and a rectangular plate, ventilation holes are formed in the protection vertical plate, an air guide groove is formed in the bottom of the protection vertical plate, an arc-shaped plate is fixedly installed on one side of the bottom of the protection vertical plate, and the rectangular plate is fixedly installed on the arc-shaped plate. Two supporting plates are fixedly mounted on the side, away from the arc-shaped plate, of the protective vertical plate, and a rectangular groove is formed in one side of the protective vertical plate; stone and other heavy objects are placed in the placing groove, the placing stability of the protective vertical plate is guaranteed, in addition, wind can be conveniently guided and ventilated through the arranged vent holes, arc-shaped plates and wind guide grooves, strong wind can be ingeniously prevented from directly and violently impacting the protective vertical plate, the potential threat of wind pressure to the protective structure is greatly relieved, and the protective structure is safe and reliable. And the overall protection effect is further consolidated, the comfort level of the construction environment can be improved, construction obstacles caused by bad weather conditions are reduced, and the project progress and quality are guaranteed.

The invention relates to the technical field of civil engineering foundation pit supporting, in particular to a hoisting method for a large steel structure in semi-cover excavation construction of a subway station. Comprising an open excavation area and a cover excavation area; the steel structure is conveyed into the foundation pit from the open excavation area through a crane and conveyed to the cover excavation area from the interval area between the middle pile bodies; the position of the walking vehicle is adjusted, and the height of the carrier roller frame is adjusted through the lifting mechanism to correspond to the position of the conveyed steel structure; after the steel structure penetrates through a steel rope ring connected with the first electric hoist, the steel structure is conveyed to the small trailer, and the left end of the steel structure is located on the left side of the small trailer; the small trailer carries the steel structure to walk leftwards for a certain distance and is lifted by the steel rope ring connected with the electric hoist, and the small trailer and the steel structure jointly convey the steel structure to the steel enclosing purlin and are manually connected; after the steel structure in the area is installed, the walking beam is started to move forwards along the hanger rail, and the chain drives the walking vehicle to move to the next construction position at the same time. The method is simple in process, convenient to operate, high in construction efficiency and small in resource waste.

The invention provides a mechanical obstacle removing method and system for a shield crossing section steel joint underground diaphragm wall. The method comprises the following steps: firstly, determining a wall section to be subjected to obstacle removing and a section steel joint in a shield crossing range; then, a vertical drill hole is formed in the position, away from one side of the foundation pit, of the underground diaphragm wall, an all-casing full-slewing drilling machine is adopted for conducting segmented drilling on wall concrete and profile steel joints in the wall concrete, segmented cutting and taking out are conducted, and the vertical obstacle removing hole is backfilled; a horizontal or nearly horizontal drill hole is formed in the position, close to one side of the foundation pit, of the underground diaphragm wall, a horizontal diamond drilling machine is adopted for cutting and taking out the profile steel connector within the range of the shield tunnel portal, and a horizontal obstacle removing hole is blocked or backfilled; and finally, shield tunneling machine crossing construction is implemented. According to the method, the obstacle removing target is clear, side-by-side mechanical obstacle removing of the underground diaphragm wall with the section steel joints can be achieved under the conditions that a large-diameter obstacle removing well is not constructed and underground excavation manual obstacle removing is not carried out, and the method is verified through indoor and field tests and is suitable for being used in subway station crossing projects with limited fields.

The present application relates to the technical field of subway first ring construction, and discloses a kind of assembled subway station first ring assembling device and construction method, the device includes: support, the support is symmetrically arranged, and the support is fixedly installed with limiting plate.The present application can be in the process of hoisting and installing the bottom plate of assembling first ring, can be adjusted to the position of offset bottom plate by the cooperation of inclined surface and vertical surface of limiting plate, so that each bottom plate can be centrally located in the required installation area, greatly reduce the operation difficulty of hoisting equipment operator, and when adjusting the position of limiting plate to the next bottom plate installation area, the bottom plate can be separated from the limiting plate, to avoid the friction of limiting plate, to protect it, the limiting plate can be cleaned before adjusting the position of bottom plate, so that the residual slag on the surface of limiting plate is washed, so that the subsequent bottom plate and limiting plate can reduce friction when contacting, to protect the limiting plate.

The invention relates to the technical field of subway platform doors, in particular to a multiple safety control device and method for a subway platform door. According to the multi-safety control device and method for the subway platform door, the technical problem that in the prior art, the safety of the subway platform door is poor is solved. A multi-safety control device for a subway platform door comprises a safety area monitoring assembly which is used for monitoring whether personnel in a safety area are in a moving state or not; the safety area monitoring assembly can accurately capture the motion state of people in the safety area. When a person rapidly gets close to the door body, the control assembly timely controls the door body to operate at a slow first movement speed, sufficient response thinking time is provided for the person, the person stops getting close to the door body, and the risk that the person is pinched is greatly reduced. The buffer area monitoring assembly monitors the personnel condition in the buffer area in real time, collision between personnel and the door body is avoided from multiple dimensions, and personnel safety is guaranteed in an all-around mode.

1. The name of the design product: the name of the device (G101). 2. The use of the design product: for use in exhibition hall, subway station, elevator, door control prompt, automatic speaker, advertising promotion and other occasions, and can realize the adjustment of multiple angles, realize the use of multiple angle monitoring. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view 1.