3672 results about "Via fence" patented technology

The invention discloses a field monitoring method based on engineering informatization, and the method comprises the steps: collecting the tightness data of a rope in real time through a tension sensor integrated on a protection rope, and transmitting the data to a field monitoring system; the method comprises the following steps: acquiring a worker operation picture shot by video monitoring equipment deployed in a construction site, and extracting posture features such as a body inclination angle and arm extension length of a worker in the picture; determining a real-time position coordinate of the worker according to the information of the positioning tag worn by the worker, and judging whether the coordinate is in a preset dangerous area electronic fence or not; according to the distance relation between the connection points of the worker and the protection rope, the swing track of the protection rope and the movement track calculated by the position coordinate change of the worker are analyzed, and whether the worker breaks away from the protection rope illegally or not is judged; if it is judged that the worker is separated from the protection rope, the position of a connection point of the protection rope suspected to fall off is marked in the monitoring picture according to the material characteristic and the color characteristic of the protection rope.

The invention provides a positioning and tracking early-warning method and system for a Bluetooth signal, and relates to the technical field of positioning and tracking, and the method comprises the steps: receiving a Bluetooth signal of a target Bluetooth device through a Bluetooth receiver, correcting a signal feature parameter through a signal attenuation compensation model, and combining the position coordinate of the Bluetooth receiver, the real-time position of the target equipment is calculated through a positioning algorithm, and the real-time position and the corrected signal characteristic parameters are stored in a track database; based on historical trajectory data, a space-time diagram convolutional neural network model is constructed and trained to predict a target trajectory, and an electronic fence is dynamically generated in combination with target activity rule parameters; and generating fence early warning information by comparing the prediction track and the electronic fence boundary, extracting a target behavior feature vector, identifying an abnormal behavior by using a behavior identification model, and generating comprehensive early warning information in combination with the fence early warning information.

The invention provides an all-weather autonomous inspection method and system based on cluster task dynamic load balancing, and relates to the technical field of inspection monitoring, and the method comprises the steps: collecting the remaining electric quantity, the positioning position, the task queue length and the sensor health state of an unmanned aerial vehicle cluster in real time through an airborne terminal; fusing the meteorological data and the multi-source environment sensing data, and constructing a dynamic obstacle map and a meteorological influence model; dividing an inspection area into a plurality of sub-areas based on an electronic fence, dynamically adjusting the inspection priority of each sub-area, setting task weights of a water taking head and a raw water pipeline facility, and distributing inspection tasks according to the priorities; based on the remaining power of the unmanned aerial vehicle, the task priority, the current load and the meteorological data, a bipartite graph matching model of the unmanned aerial vehicle and the task is constructed, the matching weight is dynamically calculated, the optimal matching distribution of the unmanned aerial vehicle and the inspection task is completed, and the efficient inspection operation of the unmanned aerial vehicle cluster in the complex environment is realized.

The invention provides a safety early warning method and device for abnormal behavior trajectory analysis and a medium, and relates to the technical field of safety early warning, and the method comprises the steps: collecting behavior trajectory data of a target region through a multi-source sensing device, and carrying out the multi-dimensional feature extraction of a behavior trajectory data set; according to the stay frequency characteristics, carrying out abnormity determination on the track space-time distribution characteristics and the speed change characteristics, and constructing an abnormal behavior determination vector; performing wandering mode recognition based on the abnormal behavior judgment vector, determining an abnormal behavior level, and triggering a graded early warning mechanism according to the abnormal behavior level; and generating an abnormal behavior alarm signal according to the grading early warning mechanism, combining the abnormal behavior alarm signal with the electronic fence information of the target area to generate a safety early warning report, and pushing the report to a monitoring terminal. According to the invention, the technical problem of abnormal behavior recognition accuracy in the prior art can be solved, and the technical effect of improving the behavior judgment accuracy is achieved.

The present invention discloses a new type of fence, of which two adjacent fence frames are connected by a first connector, a support shaft that can rotate and connect with the first connector is provided on the upper connecting base of the frame, the first connector can perform vertical reciprocating motion relative to the support shaft to lock or unlock the upper connecting base, and the angle between adjacent frames cannot be adjusted when the upper connecting base is locked. Compared with traditional methods, the present invention presents a simple structure that can be conveniently operated and allows for quick adjustment of the angle between adjacent frames of the fence.

The invention relates to the technical field of wind power generation, discloses an intelligent safety early warning method for wind power hoisting operation, and aims to solve the technical problems of insufficient perception and lack of data fusion and intelligent analysis decision in existing operation safety management. The method is characterized by comprising the following steps: constructing an intelligent terminal integrated with a UWB / IMU / safety belt / environment sensor; deploying a positioning base station network and a signal relay system; a multi-source data fusion intelligent analysis platform is established, and high-precision positioning, behavior recognition and deep learning risk prediction are achieved; and a closed-loop intelligent decision-making and execution system is constructed, and graded early warning, electronic fence, environment linkage and one-key help calling are realized. According to the method, a traditional experience driving mode is innovated into a data driving mode, the safety level and the operation efficiency of wind power hoisting operation are remarkably improved, and the defects of insufficient perception, information isolation and the like are overcome.

The embodiment of the invention discloses a level-to-level management strategy generation method and system for an electronic fence based on a 5G base station iron tower, and the method comprises the steps: collecting a multi-source heterogeneous monitoring data set covering an electronic fence warning region through sensor arrays disposed at different monitoring point positions of the 5G base station iron tower; the data comprise environment sensing data and target motion data; performing space-time correlation fusion processing on the data set to generate a basic analysis data set, determining a space relative relationship between the target motion data and the electronic fence boundary and potential influence of environment perception data on the motion behavior of the target object based on the basic analysis data set, and generating risk assessment information; a hierarchical management strategy is made according to the risk assessment information, strategy execution parameters are adjusted by continuously tracking a behavior evolution process of a target object in an electronic fence warning area to realize optimization iteration, and the accuracy and adaptability of electronic fence management are improved.

The invention discloses a wearable thermal power plant personnel route planning device based on UWB, and relates to the technical field of route planning, an inspection task is generated based on an inspection plan, and the Euclidean distance between an inspector and an inspection task point is calculated through a linear programming method by combining real-time position data of the inspector and adopting the minimum distance optimization principle, so that the route planning efficiency is improved. Distributing an inspection path; equipment state scores, historical fault scores and safety risk scores are introduced, a multi-factor weighted optimization target is constructed, high-fault-frequency and high-risk equipment is subjected to priority inspection, safety accidents possibly caused by equipment abnormity are reduced, meanwhile, the advancing route of inspectors is optimized, and the inspection coverage rate is increased; the UWB electronic fence technology is adopted to monitor an inspector in real time, the Euclidean distance is adopted to calculate the distance between the inspector and a high-risk area, through a two-stage early warning mechanism, visual, vibration or voice reminding is provided when the inspector approaches or enters the dangerous area, and a safety early warning signal is synchronously sent to a background.

A cushion for removably coupling to a fence.

The invention provides a leasing equipment full life cycle monitoring method and system based on the Internet of Things, and belongs to the technical field of equipment operation and maintenance monitoring, and the method comprises the steps: obtaining real-time state data of leasing equipment in an operation process through a multi-source sensor; performing feature extraction on the real-time state data to obtain various feature vectors, and constructing a multi-dimensional feature vector set; inputting the multi-dimensional feature vector set into a random forest model, and judging whether the leasing equipment is in an abnormal state or not in combination with a space-time clustering algorithm; if yes, fault prediction is carried out on the leasing equipment in combination with an abnormal detection result, historical operation data and a baseline model, and a fault probability value of the leasing equipment is obtained; the future position of the leasing equipment is predicted based on the position data, an electronic fence boundary is set for the leasing equipment, if the future position exceeds the electronic fence boundary, an early warning notification of trajectory deviation is generated, and the system finally realizes trajectory and fault visual presentation in a thermodynamic diagram mode, so that the equipment operation and maintenance intelligence and management precision are improved.

The invention relates to a chemical plant dangerous area electronic fence generation method and system, and the method comprises the steps: obtaining the positioning data of a target person, the positioning data of production equipment, and the video monitoring data and environment sensing data of a target area, carrying out the recognition based on the video monitoring data, and obtaining the behavior data of the target person, the method comprises the steps of dividing a target area into virtual grids based on a dynamic grid algorithm, determining distribution of geographic features based on GIS geographic information of the target area, filtering impassable areas based on the distribution of the geographic features, aggregating and combining adjacent grids, generating a closed boundary, and establishing a risk level evaluation model to evaluate the risk level of each virtual grid. The boundary adjusting module is used for adjusting the minimum buffer area width of the closed boundary to obtain a final electronic fence boundary, and the electronic fence boundary is used for carrying out risk early warning. According to the invention, dynamic and accurate sensing and protection of the high-risk area in the chemical plant are realized.

The invention relates to a multi-modal fusion-based fence crossing behavior detection method, which comprises the following steps of: firstly, judging whether a person in a video is overlapped with a fence or not through a semantic segmentation algorithm module so as to judge whether the person is in contact with the fence or not, and then acquiring distance information between the person and the fence by utilizing a monocular depth estimation algorithm module; the abnormal behavior detection algorithm module is used for analyzing whether the behavior of the current person deviates from a normal mode, and finally, the detection results of the three algorithm modules are fused to comprehensively judge whether the person is crossing the fence; according to the method, multiple information sources including semantics, depth, behaviors and the like are utilized, the spanning behaviors can be judged more comprehensively and accurately, meanwhile, the method can be achieved only through a monocular camera, the deployment and maintenance cost is lower, the method is more suitable for complex scenes such as shielding and angles, some tiny abnormal behaviors can be captured, and the method is suitable for popularization and application. All-weather automatic monitoring for efficiently and stably detecting the fence crossing behavior in a complex environment is realized.

The present invention relates to the field of electronic fence technology, specifically to an electronic fence monitoring method and system for unmanned aerial vehicles, comprising the following steps: based on the real-time positioning data of the unmanned aerial vehicle, by analyzing the positioning changes of the unmanned aerial vehicle within a period of time, calculating the flight speed of the unmanned aerial vehicle, and analyzing the change trend of the flight speed of the unmanned aerial vehicle according to the flight speed data of the unmanned aerial vehicle within a period of time, and obtaining the speed information of the unmanned aerial vehicle. The present invention can analyze the distance between the unmanned aerial vehicle and the electronic fence in real time and estimate the crossing time by continuously tracking the flight speed and flight direction, thereby providing scientific data support for preventing potential safety risks, and by adjusting the warning threshold and matching the reaction time of the operator, improving the adaptability and practicality of the early warning, making the warning more timely and effective, significantly reducing the possibility of false alarms and missed alarms, enhancing the response speed and accuracy of the unmanned aerial vehicle electronic fence system, and effectively preventing the illegal flight of the unmanned aerial vehicle and the occurrence of safety accidents.

The invention discloses a hybrid model driving-based space-time consistency regulation and control method for a central heating system, which comprises the following steps of: performing hydraulic equilibrium analysis on the central heating system, and performing hydraulic analysis on a space structure of a heating pipe network by using a graph theory method based on an energy conservation law, simulating the hydraulic working condition of the official website by using a basic loop analysis method; based on an energy conservation and mass conservation heat balance equation, a heat source and a heat user are indirectly connected through heat exchanger transition, a dynamic physical model of each subsystem is established based on a lumped heat capacity method, a refined model of the heat supply system is established, and the thermal dynamic characteristics of the system are researched and analyzed; based on a Pearson's correlation function, considering thermal inertia of equipment such as a pipe network of the central heating system and a building fence structure, and determining a regulation and control period and time of the regulation and control model; according to the method, by controlling the opening degree of the regulating valve of the heat exchange station, the suitability degree of the room temperature of a heat user is guaranteed.

The invention discloses a safety early warning method and system based on Beidou + UWB positioning, and relates to the technical field of personnel positioning and safety early warning, and the method comprises the steps: collecting positioning signal data in real time, and carrying out the preprocessing; based on real-time quality evaluation of a positioning signal source, adaptively adjusting a fusion weight, and generating a continuous high-precision positioning data sequence; predicting a future motion trail by using the trail prediction model, performing border crossing judgment in combination with electronic fence spatial data, and outputting a border crossing prediction mark; performing risk analysis by taking the track sequence and the border crossing mark as input and combining the spatial distance between the personnel and the electronic fence, the movement speed and the regional risk level, and outputting a risk score and a level mark thereof; and performing graded response according to the risk grades, and recording and feeding back safety early warning data. According to the invention, high-precision continuous positioning in a complex environment is realized, personnel border-crossing active early warning and risk grading response are supported, and the real-time performance, the accuracy and the intelligent level of safety supervision are remarkably improved.

The invention discloses a muck truck behavior research and judgment method, device and equipment based on virtual electronic fences, and relates to the technical field of vehicle state monitoring, the method comprises the following steps: obtaining real-time coordinate data of different sites, and generating dynamic electronic fences of the different sites according to the real-time coordinate data of the different sites; processing the multi-source driving data of the muck truck, and analyzing and recording the real-time driving state of the muck truck in combination with the dynamic electronic fences of the different sites; and based on the real-time driving state of the muck truck and the dynamic electronic fences of the different sites, studying and judging whether the muck truck has illegal behaviors or not. By establishing the dynamic electronic fence, a supervision blind area caused by mismatching of a traditional fence and a dynamic scene is solved, multi-source driving data is fused, the composite violation problem that a single data source is difficult to find is solved, matching calculation is performed on the driving state, violation behaviors are found immediately, evidence is stored immediately after finding, and the driving safety is improved. And the response time from behavior occurrence to supervision intervention is remarkably shortened.

The invention relates to a construction electronic fence system, which realizes accurate monitoring and management of personnel or vehicles on a construction site by integrating a plurality of functional modules. The system comprises an electronic fence construction module used for setting an electronic fence boundary and generating related information; the positioning information acquisition module is used for providing real-time positioning data for personnel or vehicles; the electronic fence matching module is responsible for matching and judging whether the position of the personnel or the vehicle crosses the border; and the early warning module triggers early warning under specific conditions. The system has the advantages that through the Beidou positioning technology, the system can provide high-precision position information, and the monitoring accuracy is ensured; due to the flexible construction and matching functions of the electronic fence, the system can adapt to the requirements of different construction sites; and the early warning module is introduced, so that an alarm can be given out in time under the abnormal conditions that personnel or vehicles cross the border and the like, and the safety and the management efficiency of the construction site are effectively improved.

A modular fence system is disposable into a freestanding enclosure on a supporting surface without the use of any tools and includes a fence panel assembly having a plurality of fence panels each having a frame with a plurality of fence slats mounted therein. A plurality of fence support units each have a frame interface and a frame support. Each frame interface is disposable between adjacent fence panels and each frame support is positionable into a freestanding relation with the supporting surface. A plurality of toggle clamps are disposable between a disengaged configuration for positioning around portions of adjacent fence panels and / or interfaces disposed thereinbetween, and a releasably secure engaged configuration to maintain the frames of adjacent ones of the plurality of fence panels and the frame interface operably disposed thereinbetween in an interconnected freestanding configuration.

A wireless electronic fence is worn on a pet and includes: a positioning assembly, a signal detection assembly, a warning assembly, and a master control circuit. The positioning assembly receives a first signal sent by an external terminal, determines a position of the positioning assembly based on the first signal; and outputs a position detection signal. The signal detection assembly detects a signal strength of the first signal and outputs a signal strength detection signal. The master control circuit receives the signal strength detection signal; compares the signal strength of the first signal carried in the signal strength detection signal with a preset signal strength to produce a comparison result; and controls the warning assembly to operate or to stop operating according to the comparison result.

The present application belongs to the field of production safety technology, and specifically provides a wellhead safety protection device, including a guardrail and a first cover plate, wherein the guardrail is a foldable frame structure, and the guardrail is erected around the wellhead; the first cover plate is installed on the side of the guardrail, and the first cover plate is used to cover the wellhead. The wellhead safety protection device provided by the present application not only meets the requirements for the inspection, maintenance and access functions of the lower facilities of the belt conveyor corridor, but also completely solves the potential safety hazards caused by the failure to cover the wellhead cover in time; the present application designs the first cover plate and the guardrail as a linkage device with an integrated structure, which has a compact structure and is easy to retract and fold. When the first cover plate is opened, the guardrail is unfolded at the same time to form a fence around the wellhead, which also plays a role in safety protection; when the guardrail is folded down, the first cover plate can move downward together with it to close and cover the wellhead, which is simple and convenient to operate, thereby improving the convenience of operation.

The invention discloses a human-hat matching method, system and equipment based on an intelligent safety helmet, and relates to the technical field of biological feature recognition, and the human-hat matching method based on the intelligent safety helmet comprises the steps: determining a matching strategy according to a working area where the intelligent safety helmet is located; receiving a human-hat matching instruction, and generating a voice prompt-data acquisition instruction according to the matching strategy and the human-hat matching instruction; the voice prompt-data acquisition instruction is sent to the intelligent safety helmet located in a working electronic fence coverage area, so that the intelligent safety helmet sends a preset voice prompt and feeds back acquired identity data, and the intelligent safety helmet is in a power-on state and a wearing in-place state; and carrying out human-hat matching according to the matching strategy and the identity data to obtain a human-hat matching result. According to the invention, people-hat matching can be accurately carried out in construction areas under various working conditions, and the construction safety management level is effectively improved.

A cutting tool fence apparatus with a flip stop connector, measuring ruler and moveable material stop. The cutting tool fence apparatus includes a measuring ruler included on the fence itself to provide a precise measuring system. The fence includes a connection apparatus to connect the fence to a flip-stop. The flip-stop allows a tape measure to be used to provide a precise measurements with the measuring ruler imprinted on the fence. The fence is also used as a zero-clearance fence with a moveable material stop component that can be adjusted both vertically and horizontally to securely hold a piece of material for cutting.

The invention provides a vision-based intelligent electronic fence protection system and method for field bridge operation safety. The system comprises monitoring equipment, a switch, a sensing workstation and an audible and visual alarm, the monitoring equipment is used for monitoring a field bridge operation area to obtain monitoring images, integrating the monitoring images into monitoring data and sending the monitoring data to the sensing work station through the switch; the switch is used for transmitting the monitoring data to the sensing work station; the sensing work station is used for configuring an intelligent electronic fence protection function of a yard bridge operation area and identifying lane lines on a yard bridge driving path in real time; performing real-time processing and identification on the monitoring data, detecting abnormal invasion in the field bridge operation area, and generating an early warning signal; according to the technical scheme provided by the invention, obstacles in an operation area can be accurately detected, and abnormal conditions in a specific range can be early warned.

The invention relates to the technical field of sensor measurement, in particular to an intelligent water area virtual electronic fence based on acousto-optic-electric fusion. The system specifically comprises a water area sensor fusion network, a water area interface fluctuation feature extraction unit, an intrusion probability prediction unit and a self-adaptive alarm response unit. The water area sensor fusion network is used for capturing a sound wave signal, an optical signal and an electromagnetic signal in a target water area, and performing dynamic attenuation correction according to physical characteristics of water to obtain a fusion sensing result; the water area interface fluctuation feature extraction unit is used for extracting fluctuation energy spectrum density related to water disturbance at each frequency; the intrusion probability prediction unit is used for calculating the current anomaly metric and predicting the intrusion probability of each position in the target water area; and the adaptive alarm response unit is used for calculating the current alarm intensity of each position and executing an early warning strategy. According to the invention, high-probability intrusion threats can be rapidly identified and amplified.

The invention discloses a vertical management system for concrete production, transportation and pouring, and the system is characterized in that a concrete production task management system judges production demands according to a project concrete production plan and field demand feedback, and automatically arranges the production tasks of all concrete mixing stations according to the number of the mixing stations, the production capacity, the field demand condition and the concrete mix proportion; the concrete transportation management system obtains the position information of the equipment, determines the position information of the equipment according to the electronic fence data of the delimited area, judges the operation state of the equipment according to the change of the position information of the equipment, determines the operation efficiency information according to the state change, and issues a scheduling instruction; according to the concrete pouring management system, concrete sign-in judgment and pouring point pouring strength calculation are achieved through a sign-in judgment algorithm according to the position relation between the mixing truck and the pump truck, cluster dispatching management of a large number of equipment and facilities in concrete production, transportation and pouring sites can be achieved, and the production efficiency of dispatching operation is improved.

The invention relates to an electronic fence detection method and device, computer equipment and a readable storage medium. The method comprises the following steps: constructing a spatial index of an electronic fence corresponding to a target area to be detected, performing positioning monitoring on each target object based on the target area, and constructing each point object for querying in the spatial index; according to the spatial index of the electronic fence, screening out a plurality of associated fence areas corresponding to each point object; obtaining a position judgment result of any point object by judging a position relationship between any point object and the corresponding multiple associated fence areas, and determining a buffer area detection result of any point object according to buffer area configuration information of the multiple associated fence areas corresponding to any point object; and in combination with the position judgment result of each point object and the buffer area detection result, obtaining the position state of each target object in the target area. By adopting the method, the calculation amount of position judgment can be reduced, and the accuracy and processing efficiency of electronic fence detection are improved.

The invention is suitable for the technical field of monitoring management, and particularly relates to a civil engineering safety monitoring management method and system, and the method comprises the steps: S100, positioning the position of a potential safety hazard in a civil engineering construction site, carrying out the rating of the potential safety hazard, obtaining the control authority of a lighting device at the position, editing the lighting mode of the lighting device, and carrying out the recognition of the potential safety hazard; the illumination mode comprises normally-on and flicker, and establishing a corresponding relation between the rating and flicker frequency; and S200, recording the generation time of the potential safety hazard, cutting the potential safety hazard into a plurality of segments, mapping the grade into the segments, updating the flicker frequency, and constructing a monitoring lake. Through cooperation with the output template, the monitoring result of the potential safety hazard can be visually displayed, data support is provided for monitoring management, and through arrangement of the multi-level electronic fence, the safety of the position of the potential safety hazard is greatly improved, intruders are prevented from entering by mistake, accidents are greatly reduced, and the construction efficiency is improved.

The invention relates to the related technical field of building fence structures, and discloses an energy-saving composite phase change heat storage building envelope structure which comprises a phase change heat storage plate and a heat insulation plate, the phase change heat storage plate comprises a heat storage plate shell, a first mounting groove is formed in the outer side face of the heat storage plate shell, and a first movable groove is formed in the first mounting groove; a sliding block is arranged at the first movable groove, a fourth connecting block is fixedly connected to the side face of the sliding block, a first connecting block is movably connected to the top of the fourth connecting block, a first connecting plate is fixedly connected to the side face of the first connecting block, and a spring damper and a connecting rod are fixedly connected to the side face of the first connecting plate; a second mounting groove is formed in the inner side face of the heat preservation plate shell, and a supporting block is arranged at the bottom of the second mounting groove. When the device is installed, the wall body can be fixed through the structure between the phase change heat storage plate and the heat insulation plate, the heat insulation effect is better, and meanwhile the installation process is simpler and more convenient.

A fence assembly tool is provided. The fence assembly tool may be an auxiliary tool that is removably coupled to a first fence post, to assist an individual in assembling fences. Specifically, the fence assembly tool may include an elongate body that includes one or more brackets extending therefrom. Each of the one or more brackets may be adapted to receive a first end of a cross member of a fence assembly. A second opposing end of the cross member may then be coupled to a second fence post while remaining supported at the first end by the assembly tool. This process may be repeated for multiple cross members as needed, thereby allowing a user to assemble or repair a fence without assistance from others.

The invention provides a panoramic management and control method and device for substation operation area inspection. According to the method, a three-dimensional visual model of a transformer substation is constructed to ensure that an equipment state, a personnel position and a maintenance route are instantly visible in the inspection process, on the basis, equipment operation data and historical maintenance data are integrated to realize dynamic planning of the maintenance route, and through an electronic fence and a positioning device, the maintenance route can be dynamically planned. According to the method, the polling personnel are prevented from mistakenly entering non-operation dangerous areas, the safety of the polling personnel is ensured, the dynamic real-time management of the polling process of the transformer substation is realized, and the problem that the response is not timely due to manual monitoring in the prior art is solved.