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98 results about "Accident avoidance" patented technology

Valve state monitoring and safety interlocking method and system based on machine vision

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.
Owner:DALIAN UNIV OF TECH

Security assessment method, device and equipment of receiving station and medium

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.
Owner:PIPECHINA SOUTH CHINA CO +1

Data storage method and related apparatus

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.
Owner:YINWANG INTELLIGENT TECHNOLOGIES CO LTD

Hydraulic lifting platform with early warning fence

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.
Owner:NAME PLATE SEIKO MASCH (SHANDONG) CO LTD

Electric furnace panel

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.
Owner:刘亮成

Alarm automatic identification linkage telephone voice and short message notification system and method

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.
Owner:BAZHOU POWER SUPPLY CO OF STATE GRID XINJIANG ELECTRIC POWER CO LTD

Pipeline loading and unloading pressure safety interlocking device

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.
Owner:WEIHUA (RUDONG) TRADING CO LTD

An inclined shaft skip car derailment automatic detection device and skip car system

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.
Owner:HUNAN CHENZHOU MINING CO LTD

Safety warning device for loading and unloading area of vehicle

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.
Owner:GUIZHOU TOBACCO CO LIUPANSHUI CO

Electric power operator behavior monitoring method and system based on AI vision

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.
Owner:HUANENG SHAANXI JINGBIAN ELECTRIC POWER CO LTD +1

A running car installed with a robot

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.
Owner:HUA WEIYI (HAINAN) INVESTMENT CO LTD

Novel online monitoring device for built-in bearing of desulfurization and denitrification fan

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.
Owner:SHANDONG RUIHANG IND INVESTMENT CO LTD

Construction site safety management warning device

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.
Owner:ZHEJIANG KAIHUA ROAD IND CITY CONSTRUCTION & DEVELOPMENT CO LTD

Hopper loading state monitoring system based on acoustic double-frequency feature extraction and control method

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.
Owner:JIANGSU XCMG STATE KEY LAB TECH CO LTD

SYSTEM AND METHOD FOR DETECTING MONOTONIC DRIVING CONDITIONS TO PREVENT DRIVER HYPNOSIS

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.
Owner:MERCEDES BENZ GROUP AG

Unmanned aerial vehicle hoisting torque monitoring and safety control method

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.
Owner:GUANGZHOU CHUANGYUAN ROBOT CO LTD

Brake system device and control method

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.
Owner:LUDONG UNIVERSITY

Method and system for monitoring line safety of charging pile

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.
Owner:GUANGDONG HUIYI NEW ENERGY TECHNOLOGY CO LTD

Tunnel intelligent dimming device

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.
Owner:南京交通运营管理集团有限公司 +1

Fault alarm method, device, equipment, storage medium and computer program product

The application discloses a fault alarm method and device, equipment, storage medium and computer program product, and relates to the field of intelligent management of electrical equipment. The method is applied to an electrical equipment and comprises the following steps: acquiring N posture turning angles of the electrical equipment in a single motion process, wherein N is a positive integer; determining whether the electrical equipment is in an abnormal state according to at least one of the N posture turning angles; and outputting fault early warning information of the electrical equipment in the case that the electrical equipment is in the abnormal state. According to the fault alarm method, the health state of the electrical equipment can be controlled, and the equipment fault can be timely alarmed, so that the probability of accidents can be avoided.
Owner:SHANGHAI ELECTRICAL APP RES INST

Electromagnet with adjustable pole shoe gap and adjusting method thereof

The invention belongs to the technical field of electromagnets and core parts of magnetic mass spectrometers, particularly relates to an electromagnet with an adjustable pole shoe gap and an adjusting method thereof, and aims to solve the problems of improvement of the accuracy and the mass resolution of ion trajectories and ion trajectory distortion, signal resolution reduction, transmission efficiency loss and the like caused by a dispersion field. The electromagnet with the adjustable pole shoe gap comprises a C-shaped yoke, a coil wound on the yoke, a cooling system, a pole shoe assembly, an adjusting mechanism and the like. In the adjusting method of the electromagnet, the steps of gap adjustment, pole shoe replacement, heat balance management including flow self-adaptive cooling and current control and the like are combined to jointly form an omnibearing and multi-layer closed-loop control chain from machinery, thermology to electricity, the influence of a dispersion field is pressed to a negligible level, and therefore accident expansion is avoided, and the service life of the electromagnet is prolonged. And personnel and equipment safety is guaranteed.
Owner:SICHUAN HONGHUA IND

Municipal engineering construction fence

The utility model provides a municipal engineering construction fence. The municipal engineering construction fence comprises a base, a fixed vertical rod and a fence plate. Two fixed vertical rods are connected to the base side by side. Wherein the fixed vertical rod on the outer side of one base is connected with the first end of the surrounding plate in an inserted mode, and the fixed vertical rod on the inner side of the adjacent base is connected with the second end of the surrounding plate in an inserted mode. A fixing strip is arranged on each fixing vertical rod in the height direction, and clamping grooves matched with the corresponding fixing strips in an inserted mode are formed in the two ends of the surrounding plate. The municipal engineering construction fence further comprises a fixing base. The fixed seats are matched with the two fixed vertical rods on the same base and the two adjacent coamings in an inserting manner; and a voice prompter is assembled on the fixed seat. According to the construction method, the fence is erected in a splicing mode, the convenience of disassembly and assembly is guaranteed, meanwhile, the connecting strength of the fence is high, transportation and turnover use are facilitated, the construction progress is accelerated, meanwhile, sound early warning is provided for a construction area, and accidents are avoided.
Owner:HUNAN FIFTH ENG CO LTD

Frame for assembly type semitrailer

The invention relates to the technical field of special vehicle equipment, in particular to an assembly type semitrailer frame which comprises a supporting frame, a supporting piece, a movable adjusting mechanism and an inertia limiting mechanism. A workpiece is fixed through the splicing structure of the movable adjusting mechanism, the gravity center is adjusted to be stable, then the workpiece is limited in the supporting frame through the supporting piece, then transferring can be conducted, meanwhile, during quick braking, the inertia of the whole workpiece can be weakened through the inertia limiting mechanism, accidents are effectively avoided, and the frame is simple in structure, convenient to use and low in cost. The safety problem in the transferring process of the vertical large and heavy workpieces is effectively solved, meanwhile, the vertical large and heavy workpiece transferring device can adapt to workpieces of different lengths, has good applicability and is beneficial to popularization and use of equipment.
Owner:HUNAN TIEHUA JINGFU AUTOMOBILE GRP CO LTD

An electric loader safety control method, system, storage medium and device

The application discloses an electric loader safety control method and system, a storage medium and equipment. The application pre-calibrates the electric loader braking area under different working conditions, determines the adaptive braking area according to the current speed and the steering angle, and performs electric loader braking control according to the braking area and the obstacle coordinates, so that the electric loader is prevented from colliding with the obstacle, accidents are avoided, and the safety of the electric loader is ensured. The application sets a prompt area on the basis of the braking area, issues a prompt when the obstacle is in the prompt area, and reminds the operator to adjust the running state. When the vehicle speed V t When the vehicle speed V is greater than a set threshold V1 and the steering oil way pressure is less than a set threshold F, that is, when the vehicle loses the steering ability during running, the emergency steering pump is started in time, and the steering safety is ensured.
Owner:XCMG CONSTRUCTION MACHINERY CO LTD SCIENCE & TECHNOLOGY BRANCH

A vehicle danger warning light control method, device and automobile

The application relates to the technical field of automobiles and provides a vehicle danger warning light control method, a vehicle danger warning light control device and an automobile. The method comprises the following steps: when a vehicle is parked, whether the vehicle is in a preset danger scene range is monitored; if the vehicle is in the danger scene range, whether the vehicle door or the tail door of the vehicle is in an open state is detected; and if the vehicle door or the tail door of the vehicle is in the open state, a danger warning light of the vehicle is turned on. The application does not need manual opening of the danger warning light, realizes the effect that the danger warning light of the vehicle is automatically turned on in the danger scene range, and thus can effectively avoid accidents and improves the safety of vehicle use.
Owner:CHONGQING SELIS PHOENIX INTELLIGENT INNOVATION TECH CO LTD

Top-drive self-adaptive intelligent shock absorber

The invention discloses a tool used in the technical field of petroleum drilling, and particularly relates to a top drive self-adaptive intelligent shock absorber which comprises a transmission shaft, a spline shell, a lower shell, a transmission shaft sleeve, a cylinder body, magnetorheological fluid, a spring, a piston, a coil, a cylinder cover, a piston rod, an acceleration sensor, a control unit and a battery pack. According to the technical scheme, a spring and magnetorheological fluid are used in cooperation to conduct vibration reduction, the spring provides main elastic supporting and basic buffering, the magnetorheological fluid can conduct active damping force infinite adjustment of millisecond response, the spring and the magnetorheological fluid work cooperatively, broadband vibration and large impact can be efficiently restrained at the same time, and the vibration reduction effect is good. And the excellent damping effect of combining rigidity and softness and self-adapting to complex working conditions is achieved. The top drive damping device is connected between a top drive and a drill rod, is mainly used for protecting the top drive when a drilling tool jumps in shallow well drilling operation, and can remarkably improve the damping performance of the top drive, achieve efficient and stable work of the top drive, guarantee smooth drilling operation and avoid accident risks.
Owner:SOUTHWEST PETROLEUM UNIV +2

Vehicle management system for campus safety

The invention discloses a vehicle management system for campus safety, which comprises an information registration module, an information management module, a vehicle positioning module and an overspeed reminding module, and is more beneficial to accurate management of vehicles in a campus by acquiring information of vehicles entering the campus in a visual identification and manual registration mode. Meanwhile, the vehicles entering the campus are divided into temporary visit vehicles and resident vehicles of teachers and students in the campus, different management modes are implemented respectively, and the management difficulty is reduced; the positioning device is configured for the vehicle entering the park, so that the position and the speed of the vehicle in the park can be mastered in real time, then a voice module configured on the positioning device reminds people on the vehicle to decelerate in time, and a broadcast arranged in the campus reminds pedestrians in the campus to avoid in time, so that accidents are avoided.
Owner:ZHEJIANG DIAN MA YUN CHE TECH CO LTD

Electric drive mine truck emergency safety protection system and emergency safety protection method thereof

The invention discloses an electric drive mine truck emergency safety protection system and a method thereof, and belongs to the technical field of mine truck safety control, the system comprises a vehicle control unit, an emergency steering pump module, a capacitor backup module, a tilt angle sensor and a standby DCDC module, an emergency steering pump module integrated flow sensor, a switching valve and a 24V motor, the oil way is connected with a main steering pump oil way in parallel; the capacitor backup module is connected with a high-voltage bus and used for short-time power supply when high voltage is abnormal. The standby DCDC module is connected with the output end of the capacitor backup module and supplies power to the 24V low-voltage loop and the ON signal loop; the tilt angle sensor is connected with the motor controller through a hard wire, and the vehicle control unit receives and processes sensor signals and executes multiple emergency strategies such as high-pressure maintenance, emergency steering, low-pressure backup and emergency hill holding; according to the invention, the steering and braking functions of the vehicle can be maintained when the high-voltage electricity or 24V control electricity is abnormally lost, so that the driving safety and the system reliability are remarkably improved, and accidents are effectively avoided.
Owner:SHANGHAI JIFENG SHANGCHI ELECTRIC CO LTD

Data collection and user behavior analysis system for urban rail transit

This invention discloses a data acquisition and user behavior analysis system for urban rail transit, relating to the field of behavioral analysis technology. It includes an image acquisition module that collects image data containing pixel coordinates and numbers in real time; a data preprocessing module that preprocesses the data; and a central computing module that performs comprehensive calculations and standardization on the preprocessed image data to obtain passenger transfer disorder parameters. If the analysis indicates disorder, the prompt module is invoked; otherwise, the system terminates. The prompt module is responsible for issuing polite transfer prompts. Through image recognition and algorithmic analysis, the system can quickly identify transfer disorder and issue prompts, avoiding accidents and protecting vulnerable groups. It can also objectively assess order, reduce delays, and alleviate passenger anxiety and enhance trust through polite prompts.
Owner:NANJING XINYUANTONG INTELLIGENT TECH CO LTD