149 results about "Accident avoidance" patented technology

The invention provides a miner safety early warning system based on UWB and AI cameras, and relates to the technical field of mine safety, the miner safety early warning system comprises a positioning module, a video monitoring and analysis module, a data fusion and processing module and an early warning and communication module, the positioning module is composed of a plurality of UWB base stations arranged in a mine and UWB positioning cards worn by miners, and the video monitoring and analysis module is connected with the early warning and communication module. The centimeter-level real-time positioning of miners is realized through ultra-wideband pulse signals; the UWB technology is applied, the positioning precision is improved to the centimeter level, the positions of miners can be accurately mastered, precious time is won for emergency rescue, intelligent recognition and analysis of personnel behaviors and environmental risks are achieved through the AI camera, the defects of traditional monitoring are overcome, potential safety hazards can be found in advance, and through multi-source data fusion and real-time processing, the safety of the miners is improved. The system can give an early warning at the first time when a danger occurs, thereby effectively avoiding the occurrence of an accident or reducing the harm degree of the accident.

The invention discloses a valve state monitoring and safety interlocking method based on machine vision, and belongs to the technical field of industrial process control and safety. The method comprises the following steps: 1, calibrating a camera and establishing a model; step 2, image acquisition and preprocessing; step 3, key image feature extraction and state decision; fourthly, opening degree calculation and state judgment are carried out; 5, safety interlocking is triggered; and 6, feeding back data. The valve state monitoring and safety interlocking method is achieved through the valve state monitoring and safety interlocking system. According to the invention, the millimeter-level or even submillimeter-level displacement and angle real-time accurate measurement of the opening degree of the valve can be realized, the state monitoring of the valve is realized, and the stability and reliability in the production process are improved; state judgment is carried out by comparing the real-time opening value with the instruction opening from the control system, a safety interlocking signal is generated and transmitted to the safety interlocking system, and finally physical safety action is triggered, so that a set of complete safety protection system is realized, and accidents are avoided.

The invention discloses a data acquisition and user behavior analysis system for urban rail transit, which relates to the technical field of behavior analysis, and comprises an image acquisition module for acquiring image data containing coordinates and quantity of pixel points in real time; the data preprocessing module preprocesses the data; the central calculation processing module obtains passenger transfer confusion parameters through comprehensive calculation and standardization processing, calls a prompt module if the parameters are confusion after analysis, and ends if not; and the prompt module is responsible for sending a polite transfer prompt. According to the system, through image recognition and algorithm analysis, transfer chaos can be quickly recognized and prompted, accidents are avoided, and vulnerable groups are protected; in addition, order can be evaluated objectively, delay is reduced, anxiety of passengers is relieved through political prompts, and credibility is improved.

The invention discloses a safety monitoring method and system based on an electric power operation environment, and relates to the technical field of electric power operation safety management, and the method comprises the steps: collecting first data and second data, and carrying out the real-time analysis through combining the first data and the second data; identifying the first state through a first model, and performing evaluation to generate a first evaluation score; and predicting a first behavior mode through a first method, and adjusting a first threshold to guide an operator to take safety measures. According to the method provided by the invention, behavior identification is carried out by combining the ConvLSTM model, and non-standard operation behaviors can be found in time, so that potential safety hazards are effectively avoided; by constructing a safety risk assessment model, the risk of accidents is effectively reduced; by dynamically adjusting the monitoring threshold value, the safety monitoring system is more sensitive and accurate, the change of the working environment can be responded in time, and the safety of operators is ensured; through behavior trend prediction, potential non-standard behaviors can be recognized in advance, and accidents are avoided.

The utility model discloses an intelligent warning system for a preposed warning section of a high-risk road section of a highway, and belongs to the technical field of traffic safety and accident warning. According to the warning system, the monitoring unit and the warning unit are arranged to monitor roads and the like, and the warning unit is utilized to carry out early warning or on-site warning management on a driver according to the monitoring result, so that further expansion of accidents is avoided. Specifically, the monitoring unit realizes comprehensive monitoring of a road by acquiring image data of the road and vehicles on the road, a load condition of the road, an oscillation condition of the road and an on-off state of the road; the warning unit carries out early warning prompt on a driver through multiple aspects of sound, vision and characters, and the warning unit is arranged on a monitoring road section and a front warning section, so that the driver can obtain an early warning signal in advance, and the driving safety is guaranteed; the defects of existing high-risk road section warning or existing system on-site early warning are overcome.

The embodiment of the invention discloses a safety assessment method and device for a receiving station, equipment and a medium, and the method comprises the steps: determining a risk event according to a hazard source in a to-be-assessed receiving station, and enabling the risk event to represent a hazard source out-of-control event; determining a safety index of the to-be-evaluated receiving station according to historical data associated with the risk event of other receiving stations and the technological process of the to-be-evaluated receiving station; a comprehensive influence matrix is determined according to the index scores of the safety indexes, a safety evaluation graph of the to-be-evaluated receiving station is determined based on the comprehensive influence matrix, and the safety evaluation graph is used for investigation operation of risk events of the receiving station and characterization of the causal relationship and the hierarchy of the safety indexes. Based on the safety assessment diagram provided by the embodiment of the invention, accident cause factors, causal relationships and levels can be determined, the accuracy of risk disposal can be improved, and meanwhile, through the safety indexes and the safety assessment diagram, the accident occurrence mechanism can be known, the accident prevention capability can be improved, and the occurrence of accidents can be avoided.

A data storage method and a related apparatus, a vehicle, and a controller. A drive-by-wire system (101) is connected to the controller, and the vehicle comprises the drive-by-wire system (101) and the controller. Parameter data of the drive-by-wire system (101) is layered to obtain first data and second data. The drive-by-wire system (101) only stores the first data, which provides lower precision for the parameter data, and sends to a first controller the second data, which can provide higher precision for the parameter data, so that the first controller stores the second data. The parts having different precisions are stored in different components, so that the precision of data can flexibly match storage component costs, and the costs required for storing data of the drive-by-wire system (101) are reduced. If a device comprising the drive-by-wire system (101) fails (for example, an automobile experiences an accident), and data inside of the drive-by-wire system (101) is unavailable, the second data stored in the first controller can still provide high precision for parameter data, such that the situation in which data is completely unavailable due to loss of some components after an accident can be avoided, and the possibility of data being returned after the accident is increased.

The utility model relates to a hydraulic lifting platform with an early warning fence. The hydraulic lifting platform comprises a plurality of stand columns fixedly arranged on a lifting platform, assembly blocks fixedly arranged at the upper ends of at least two pairs of stand columns on the front side and the rear side respectively, swing arms matched with the assembly blocks in a pivot mode, and two movable stop levers with the two ends connected with the free ends of the two pairs of swing arms on the front side and the rear side respectively. And a positioning block is arranged on the assembly block and is matched with the pivot end of the swing arm, so that the swing arm can be kept in an upward inclined extending state towards the inner side of the protective fence relative to the upright post, and meanwhile, the swing arm can rotate towards the outer side of the protective fence relative to the upright post. And a sensing assembly and an alarm are arranged on the assembly block. The sensing assembly is matched with the pivot end of the swing arm, and the sensing assembly can generate a sensing signal when the swing arm rotates. According to the lifting platform, when an operator is excessively close to the operation side edge of the lifting platform, the operator can be reminded in time, the safety of the operator can be guaranteed, and accidents are effectively avoided.

The utility model discloses an anti-channeling belt feeder which comprises an AI camera, a feeder, a gate, a hydraulic station and an electrical controller, the AI camera is arranged in front of an outlet of the feeder, the feeder and the hydraulic station are connected with the electrical controller, and the hydraulic station is connected with the gate of the feeder. According to the utility model, the occurrence of bin channeling accidents is effectively avoided, and accidents are avoided.

The utility model relates to a household appliance, in particular to an electric furnace panel, which solves the use problem of an electric furnace. Comprising a base, a panel and a furnace body, the panel is arranged on the top face of the base and fixedly connected with the top face of the base, a mounting groove allowing the furnace body to be embedded is formed in the panel face of the panel, and the furnace body and the base are fixedly assembled. A switch controller electrically connected with the key switch is arranged in the cavity, the top face of the oven body is a heating face, and the oven body is provided with evenly-distributed heat conduction strips and heating wires arranged in a surrounding mode on the heating face. Due to efficient energy conservation, intelligent temperature control and efficient heating wire design, energy consumption is reduced, and heating efficiency is improved; safety and reliability are achieved, multiple protection mechanisms are adopted, use safety is ensured, and accidents are avoided; intelligent operation is achieved, remote control and timing functions are supported, and user experience is improved; due to the design of the multi-color indicator lamp, a user can visually know the working state of the electric furnace.

The invention relates to the technical field of substation operation and maintenance monitoring, in particular to an alarm automatic identification linkage telephone voice and short message informing system and method, the system part comprises an alarm identification module, an information integration module and a linkage informing module, the alarm identification module receives an abnormal alarm of field equipment and outputs alarm and accident information according to a set rule; the information integration module grabs and integrates the information to form complete information and then outputs the complete information, and the linkage notification module receives the complete information and sends the complete information to related personnel in a short message form, and converts the complete information into audio to automatically make a call for playing at the same time; the method comprises the steps of receiving an alarm and outputting information according to a set rule, capturing integrated information to form complete information, receiving the complete information and informing related personnel in the form of short messages and telephone voices. The system can get rid of dependence on manual monitoring, realizes automatic alarm identification and active notification, quickly notifies related personnel to process the alarm, and avoids accident expansion.

The utility model relates to the technical field of pipeline loading and unloading, and discloses a loading and unloading pipeline pressure safety interlocking device which comprises a loading yard quantitative loading controller, and further comprises an alarm piece, a monitoring piece and an emergency stop piece which are arranged on the outer side of the loading yard quantitative loading controller. The static oil spilling device, the gas phase pressure transmitter, the liquid phase pressure transmitter, the vortex shedding flowmeter and the mass flowmeter are arranged on the outer side of the quantitative loading controller of the loading yard. According to the utility model, parameters such as pressure, temperature, flow and the like of a pipeline can be monitored in real time through the cooperative use of the quantitative loading controller of the loading yard, the alarm piece, the monitoring piece and the emergency stop piece; abnormal conditions can be found in time, and accidents such as pipeline breakage caused by abnormal pressure are avoided; when an abnormal condition is monitored, an alarm can be triggered automatically, accidents are avoided, meanwhile, equipment such as a valve and a pump of a pipeline can be controlled automatically, danger caused by the abnormal condition is prevented, and the safety of loading and unloading operation is improved.

The application discloses a kind of inclined shaft skip car derailment automatic detection device and skip car system, wherein device four laser ranging sensors, vehicle-mounted wireless signal sending device, multiple wireless signal receiving modules and derailment detection controller;Four laser ranging sensors are used to detect the distance from track and output transmission to vehicle-mounted wireless signal sending device;Vehicle-mounted wireless signal sending device is used to wirelessly send the distance data received to wireless signal receiving module;Wireless signal receiving module is used to send the distance data received to derailment detection controller;Derailment detection controller is used to receive distance data and compare with preset threshold value, when the distance data received exceeds preset threshold value, send alarm signal.The detection scheme takes distance as the basis for judgment, real-time, high detection result accuracy, can timely and accurately detect derailment accident, so as to stop in time, avoid accident expansion, further improve the inclined shaft skip car operation safety.

The invention discloses a blast furnace charging skip double-master mutual inspection control system and a working method thereof, the system comprises two digital master controllers, PLCs in the digital master controllers have Ethernet communication capability and are used for receiving and processing position and state information from the two master controllers, and data transmission is carried out between the PLCs and an upper computer; according to the invention, mutual monitoring between the two master controllers is realized through the dual-digital master mutual inspection control system. When one master command has a fault, the other master command can timely perceive the fault, so that the out-of-control system caused by the fault of a single master command is effectively avoided, the reliability of the blast furnace charging skip control system is remarkably improved, and the system can send alarm information to an upper computer in an extremely short time once an abnormality is found, so that the system is convenient to use. And an operator can quickly respond and take measures in time, so that further expansion of an accident is avoided, and the loss is reduced to the greatest extent.

The utility model discloses a safety alarm device for a vehicle loading and unloading area, comprising a warehouse unit which comprises a warehouse chamber, a rolling gate arranged at an unloading port of the warehouse chamber, and a chain plate machine which is arranged in the warehouse chamber and is opposite to the rolling gate; the alarm unit comprises a first sensor which is mounted at the rolling gate and is used for sensing the opening and closing of the rolling gate, a second sensor which is mounted at the unloading port of the warehouse and is used for sensing vehicles, an audible and visual alarm which is mounted at the unloading port of the warehouse, and a controller which is electrically connected with the first sensor, the second sensor and the audible and visual alarm; in the unloading and backing process of the vehicle, obstacles such as vehicles or people in front of a loading and unloading opening can be detected, sound-light alarm is triggered, and surrounding personnel are reminded that the vehicle backs up and rapidly leaves a dangerous area. Meanwhile, a driver can be reminded to control the vehicle speed, when the vehicle is close to a proper distance of a loading and unloading port platform, the sound-light alarm stops, the driver is reminded that the vehicle is in place, and accidents are avoided.

The present invention discloses a circuit protection device with an intelligent fault warning function, comprising a mounting housing, an electrical connection assembly and a protection assembly. The mounting housing is composed of a first transverse section, a second transverse section and a vertical section connecting the first transverse section and the second transverse section. The electrical connection assembly is provided with a first electrical connector, a second electrical connector and an isolating member, and the protection assembly is provided with a protection seat, a driving member, a manual member, a rotating member and a rotating member and a locking member arranged inside the rotating member. The circuit protection device with an intelligent fault warning function can be driven manually and electrically by a driving member, and can quickly disconnect the first electrical connector and the second electrical connector in the electrical connection assembly, achieving a quick disconnection effect. After the circuit is disconnected, the isolating member can play a limiting role and cannot be reset in the reverse direction, thereby improving the safety performance of the circuit protection and avoiding the occurrence of accidents.

The present invention discloses a safety control device for an earth drill, which belongs to the field of garden machinery accessories. It mainly includes a control base, on which a displaceable control wheel is provided. A blocking leg rod fixedly connected is provided at a position deviating from the center of the circle on the control wheel. An elastic mechanism for supporting and limiting is provided between the control base and the control wheel. A pull rope is provided on the control wheel. The structure of the present invention is simple, safe and reliable. When the drill bit suddenly stops rotating, the eccentric structure is triggered by the blocking leg rod, so that the throttle cable of the earth drill is loosened, thereby rapidly reducing the rotation speed of the earth drill and avoiding accidents. The present invention is mainly used for the safety control of earth drills.

The invention discloses a power worker behavior monitoring method and system based on AI vision, and the method comprises the steps: collecting and preprocessing continuous real-shot images of a power worker in a working process, obtaining a preprocessed image, determining the limb features of a human body, and carrying out the prediction through a preset AI model and the limb features, thereby obtaining an action prediction image; determining motion characteristics of a human body in the motion prediction image to determine a motion type; based on the working scene and the action type in the preprocessed image, evaluating the behavior of the power operator to obtain a behavior safety evaluation value; and determining a state risk level based on the behavior safety evaluation value, and sending out a corresponding safety early warning prompt. According to the invention, the AI vision is applied to behavior monitoring of the electric power operation personnel, potential dangerous behaviors or unsafe states can be detected in time, corresponding safety early warning prompts can be given out, and the working personnel can be reminded to take measures in time to avoid accidents, so that the accident risk is effectively reduced, and the personnel safety is guaranteed.

The application provides an automatic door opening and closing device and a boarding bridge. The automatic door opening and closing device comprises a driving structure for driving opening and closing of a door, the driving structure is connected with and controlled by a controller of the boarding bridge; a connecting structure connecting the driving structure with the door; and a locking structure locking the door in the opening process and when the door is fully opened or locking the door in the closing process and when the door is fully closed, the locking structure is connected with the controller of the boarding bridge. The locking structure is arranged on the automatic door opening and closing device, so that the door can be stably kept in the opened or closed state, and accidents are avoided.

The utility model provides a kind of installation robot running car, comprising: running car assembly, lifting assembly and machine component, running car assembly includes: bottom plate, support, wheel body and spring shock absorber, the rear edge of the lower side surface of bottom plate is rotatably installed with two wheel bodies by two supports, the front edge of the lower side surface of bottom plate is installed with two wheel bodies by two spring shock absorbers, the upper side surface of bottom plate is installed with lifting assembly, compared with prior art, the utility model has the beneficial effects as follows: by setting machine component, when using, running box can be used as a centralized storage area, for storing running object, when in working process, machine inspection component can monitor inside running box, once abnormal condition is found, can timely send early warning, remind operator to take corresponding measures, avoid the occurrence of accident, improve the reliability and safety of work.

The utility model relates to the field of bearing on-line monitoring, and discloses a novel desulfurization and denitrification fan built-in bearing on-line monitoring device which comprises a bearing base, the bearing base is arranged in a shell, three sets of bearings are arranged in the bearing base, the axial surface and the horizontal surface of the bearing base are each provided with an M6 threaded hole, and the M6 threaded holes are communicated with the bearing base. An acceleration vibration sensor is arranged in the M6 threaded hole, the acceleration vibration sensor is electrically connected with an IMx-8 collector through a cable, the cable is an armored cable, and the IMx-8 collector is electrically connected with a local area wireless network. Data detected by the acceleration vibration sensor can be transmitted to the IMx-8 collector through an armored cable, the operation state of the bearing base can be analyzed through a frequency domain spectrum, a time domain spectrum, an envelope spectrum, a cepstrum and the like, meanwhile, vibration values collected by the acceleration vibration sensor in real time form a vibration trend, intelligent alarm and threshold alarm are achieved, and the service life of the bearing base is prolonged. Therefore, the operation state of the bearing can be effectively mastered, equipment hidden dangers can be predicted in advance, and accidents are avoided.

The utility model relates to the field of warning devices, in particular to a construction site safety management warning device which comprises a warning plate and a warning assembly. A warning assembly used for being adjusted and used according to different management warning requirements is installed at the outer end of the warning plate. The warning assembly comprises a limiting frame, a connecting block, an alarm, a warning lamp, a protection plate and a connecting frame. According to the utility model, the alarm is adopted to assist the warning panel to broadcast warning information, and acousto-optic dual warning is formed, so that personnel can obtain the warning information in an area far away from the warning, the alertness of the personnel is effectively aroused, and the personnel can be ensured to notice potential dangers in time and take corresponding protective measures to avoid accidents; the safety management level of a construction site is improved, multiple sets of warning lamps are externally connected for auxiliary warning, the warning range is expanded to a wider area, warning information is more striking, it is ensured that the warning information can be received within a larger range, personnel are effectively prevented from entering a dangerous area by mistake, and the warning effect of the device is improved.

The invention discloses a hopper loading state monitoring system based on acoustic double-frequency feature extraction and a control method, and the system comprises acoustic double-frequency sensors which are symmetrically arranged at the two sides of the top of a hopper, and the sensors employ a double-frequency alternating excitation mode; the distance between the acoustic double-frequency sensor and the material in the hopper is calculated according to the preprocessed signal, and the filling state is judged according to the distance threshold interval where the calculated distance is located; and the distances from the acoustic double-frequency sensors on the two sides to the materials in the hopper are compared, the weighting index is calculated, and the weighting early warning level of the hopper is determined according to the weighting index threshold interval where the weighting index obtained through calculation is located. The dual-frequency measurement improves the detection reliability of a complex environment and a complex material surface; multiple sensors cooperate to realize synchronous monitoring of the filling degree and the emphasis, so that the accuracy of data monitoring is guaranteed, and accidents are avoided; a grading early warning mechanism for the filling degree and the emphasis level gives consideration to safety and operability, and a manager and a driver can obtain information more visually and judge the severity rapidly.

The invention relates to a manufacturing method of a ventilated advertisement, placard and road traffic signboard and application of corresponding materials, namely, the ventilated materials are adopted, materials with holes such as a metal screen and a metal sheet punched with round holes are selected for manufacturing, the ventilated materials have the outstanding characteristics that ventilation is achieved, wind can easily blow through the advertisement and the placard, wind resistance is eliminated, and meanwhile, the advertisement and the placard can be prevented from being blown through the metal screen and the metal sheet. The existence of literal surfaces and contents of advertisements and placards can be kept, the defect that windproof outdoor advertisements and placards are easily blown down by wind is overcome, potential safety hazards are eliminated, and accidents are avoided.

The present invention relates to a system (104) and a method (400) for detecting monotonous road conditions. The system (104) receives video data from an image acquisition unit (106) connected to a vehicle (102), extracts one or more features from each frame in the video data, and assigns an attention score to each of the one or more features. The system (104) then determines a similarity score based on the similarity between the extracted features and the corresponding attention scores from successive frames in the video data. The system (104) also determines a number of objects near the vehicle based on the video data and determines whether a road (100) has monotonous driving conditions based on the number of objects and the similarity score.The system (104) improves road safety by detecting monotonous road conditions and warning the driver to prevent driver hypnosis and thus avoid accidents.

The invention relates to an unmanned aerial vehicle hoisting torque monitoring and safety control method, and belongs to the technical field of photovoltaic cleaning robots, the method comprises the steps of hoisting connection, torque real-time monitoring, safety state judgment and response, secondary program calibration, X / Y axis torque monitoring through a six-dimensional force sensor, hidden overturning risk which cannot be recognized by a traditional system, and safety control of the unmanned aerial vehicle. A three-level response mechanism is designed, risk gradient management and control are achieved through a dynamic threshold value, operation interruption caused by mistaken unhooking is avoided, active intervention can be achieved before serious unbalance, normal flight is ensured through first-level response, the position of a lifting point is adjusted in time through second-level response through a second-level calibration program, potential risks are eliminated, and operation safety is guaranteed. The three-level response is rapid unhooking when the risk of serious overturning occurs, accidents are effectively avoided, the safety, reliability and intelligent level of the photovoltaic cleaning robot hoisted by the unmanned aerial vehicle are greatly improved, and the safety and continuity of high-altitude cleaning operation are improved.

The application discloses a brake system device and a control method, relates to the technical field of automobile auxiliary accessories, and comprises installation components, a main driver synchronous component and a copilot control component, two of the installation components are arranged, a copilot control component is arranged on the surface of one installation component, a main driver synchronous component is arranged on the surface of the other installation component, and a threaded box is arranged at the bottom of the brake pedal. The brake system device and the control method are characterized in that when the brake pedal is stepped on, the contact of the pressure sensor is triggered, the servo motor drives the winding wheel to rotate by a corresponding angle to wind the pull rope, the pull rope is pulled to rotate the brake pedal by an angle consistent with the rotation angle of the brake pedal, and thus the vehicle is decelerated and braked by the brake pedal, so that the person with rich driving experience at the copilot position can control the vehicle to avoid accidents when accompanying a novice driver to travel by a private car.

The invention relates to the technical field of charging piles, in particular to a line safety monitoring method and system for a charging pile. Comprising the following steps that charging piles are grouped according to a preset number specification, and each group is provided with a corresponding power control main switch; when an automobile is charged, timing is started from the moment when the automobile is charged, and after the preset time is up, the resistance value at the electricity control main switch is continuously obtained to serve as a first value; and judging whether the first numerical value is greater than a resistance threshold, if the first numerical value is greater than the resistance threshold, closing the power control main switch, and if the first numerical value is smaller than the resistance threshold, continuing to supply power. When the first data is larger than the resistance threshold value, short circuit and other conditions exist in the group of charging piles, at the moment, only the corresponding power control main switch needs to be closed, accidents can be avoided in time, meanwhile, other charging piles can continue to be used for charging, use of other charging piles under normal conditions is not affected, and the charging efficiency is improved. And the practicability and the safety of the charging pile are greatly improved.

The utility model belongs to the technical field of tunnel dimming devices, and particularly relates to an intelligent tunnel dimming device which comprises a bending machine box and a rotating box, a steering motor is fixedly installed on the rear side of an inner cavity of the bending machine box, an output shaft of the steering motor is fixedly connected with a driving wheel, and the front side of the bending machine box is rotationally connected with a pipe shaft through a bearing. The top end of the pipe shaft is inserted and connected with a driven wheel, a synchronous belt is wound between the driving wheel and the driven wheel, and the bottom end of the pipe shaft is inserted and fixedly connected with the top side of a rotating box; the speed measuring radar is installed on the rotating box to detect the current position and the current speed of an automobile, the LED lamp wick is turned on to illuminate the tunnel portal when it is monitored that the automobile drives into the tunnel portal, and then when the automobile gradually approaches the tunnel portal, the steering module is instructed to control the steering motor to conduct angle deflection on the tubular shaft through the driving wheel and the driven wheel, so that the steering effect is achieved. The light is enabled to always irradiate a set area at the front end of the vehicle in a driving state, so that good light supplement can be performed on the vehicle, and accidents are avoided.