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35results about How to "Improve emergency response" patented technology

Power grid fault emergency rescue method

The invention relates to the technical field of power grid fault repair, in particular to a power grid fault emergency rescue method. The method comprises the following steps: acquiring topological structure data, key equipment parameters and real-time operation state data of a power grid; constructing a power grid digital twin model according to the power grid topological structure data, the key equipment parameters and the real-time operation state data, and performing real-time state evaluation to obtain fault risk early warning data and real-time fault condition data; when the real-time fault condition data shows that a fault occurs, performing fault point positioning and fault type determination based on deep learning according to the fault risk early warning data and the real-time operation state data to obtain fault diagnosis data; and constructing a fault influence range model according to the fault diagnosis data and a preset FACTS and HVDC characteristic model. According to the method, deep learning, a graph theory and a multi-objective optimization technology are fused, and intelligent fault identification, influence range modeling and accurate emergency disposal scheme optimization are realized.
Owner:STATE GRID BEIJING ELECTRIC POWER CO +1

Emergency evacuation path planning method and system and storage medium

The invention relates to the technical field of path planning, in particular to an emergency evacuation path planning method and system and a storage medium. The method comprises the following steps: obtaining building layout data; performing building structure topology analysis on the building layout data to generate building structure layout data; arranging monitoring equipment according to the building structure layout data to obtain monitoring equipment deployment data; performing environment perception on the monitoring equipment based on the monitoring equipment deployment data so as to generate environment perception data; performing static image acquisition on the environment sensing data to obtain a static environment image; performing channel connection on the static environment image to generate building channel distribution data; and performing potential dangerous channel area identification on the building channel distribution data through the static environment image to generate potential dangerous channel area data. According to the invention, by integrating environment perception, dynamic video stream analysis and intelligent path scheduling, the flexibility and accuracy of emergency evacuation path planning are improved.
Owner:HAINAN VOCATIONAL COLLEGE OF SCI & TECH

Flight space orientation training auxiliary system and method

The invention discloses a flight space directional training auxiliary system and method, and the system comprises a flight task simulation module; the meteorological environment simulation module is used for simulating a meteorological scene corresponding to a flight task, and simulating the meteorological scene by establishing a multi-dimensional meteorological model and combining meteorological parameters; the meteorological environment parameter control module comprises a time step length control module which adopts a preset time step length to input meteorological parameter observation data collected in real time to the meteorological parameter setting module; the specific meteorological event control module is used for transmitting meteorological parameters of a specific meteorological event area to the meteorological parameter setting module when the airplane triggers a specific meteorological event; and the training scheme generation module is used for generating a proper training scheme according to the historical training information of the flight personnel. According to the system and the method, a real and personalized simulation training environment can be provided for the flight personnel, and the professional skills and the capability of coping with various flight conditions of the flight personnel are effectively improved.
Owner:AIR FORCE MEDICAL CENT PLA

Intelligent inspection optimization method for electric power safety production management

The invention discloses an electric power safety production management intelligent inspection optimization method, and relates to the technical field of electric power system operation and maintenance, and the method comprises the steps: building an equipment ledger library based on a block chain through collection data, customizing an inspection task, carrying out the uniqueness management of equipment through a radio frequency induction technology, and carrying out the management of the uniqueness of the equipment in the inspection process. The system adopts a self-adaptive control algorithm to dynamically adjust an inspection path, collects equipment operation data, associates the operation data with basic information and feeds back the operation data and the basic information to the system in real time, analyzes whether the equipment meets quality inspection requirements or not according to real-time data and equipment states in the system, adds a temporary inspection task and an emergency inspection task aiming at a fault when the fault occurs, and improves the inspection efficiency. And updating the inspection plan, predicting equipment defects by using a machine learning algorithm, and carrying out equipment maintenance and equipment parameter adjustment. According to the method, the problem that traditional equipment ledger management, inspection task customization and equipment defect prediction are incomplete can be solved.
Owner:HUANENG PENGZHOU THERMAL POWER CO LTD

Intelligent linkage control system for tunnel electromechanical equipment

The invention relates to the technical field of intelligent control, in particular to an intelligent linkage control system for tunnel electromechanical equipment, which comprises an environment sensing module, a data analysis module, an intelligent decision module, a linkage control module, a user interaction module and an emergency response module, wherein the environment sensing module is used for acquiring environment parameters in a tunnel; the data analysis module is used for generating an environment trend prediction and anomaly detection result; the intelligent decision module is used for generating a linkage control strategy in combination with a preset fuzzy logic algorithm; the linkage control module is used for adjusting electromechanical equipment in the tunnel to realize intelligent linkage control of the equipment; the user interaction module is used for providing multiple interaction modes; and the emergency response module is used for immediately starting emergency measures when an emergency occurs. According to the invention, through real-time monitoring, intelligent adjustment and effective emergency response, the safety, reliability and emergency processing capability of the tunnel are significantly improved.
Owner:HUNAN COMM RES INST CO LTD

Safe and reliable data center machine room cold channel

The invention provides a safe and reliable data center machine room cooling channel, and belongs to the technical field of data center heat dissipation and cooling devices. Comprising a bottom plate component, a vertical frame component, data center cabinets, a fire-fighting linkage skylight system, an access door system, an access control system and a monitoring sensing system, the data center cabinets are arranged between the bottom plate component and the vertical frame component in pairs, and the fire-fighting linkage skylight system is located at the top ends of the data center cabinets and the vertical frame component and can be in linkage with the monitoring sensing system. The channel door systems are located on the two sides of the cold channel respectively and can be in linkage with the access control system and the monitoring sensing system, and the purposes of safe opening and closing and emergency opening and closing are achieved. Meanwhile, an intelligent lighting system is further installed on the outer bottom face of the bottom short frame in the fire-fighting linkage skylight system, conventional lighting management can be achieved, highlight continuous lighting can be conducted in emergency, and reliable guarantee is provided for efficient operation, safety management and energy-saving control of a data center.
Owner:NAT COMPUTER NETWORK & INFORMATION SECURITY MANAGEMENT CENT SHANGHAI BRANCH

Mine safety virtual training system

The invention provides a mine safety virtual practical training system, which comprises a virtual environment construction module for constructing a highly realistic virtual mine scene according to a real mine operation environment by using a virtual reality technology; the man-machine interaction module is used for realizing interactive operation between the student and the virtual scene, including simulation of operation equipment and simulation of accident emergency disposal; the safety knowledge learning module is used for providing theoretical knowledge learning related to mine safety; and the practical operation module is used for carrying out practical operation in the virtual scene and simulating various operations in the actual mine production process. The comprehensive, efficient and safe mine safety training environment is provided for trainees through fine three-dimensional modeling, rich man-machine interaction modes, comprehensive safety knowledge content and highly simulated practical operation tasks.
Owner:TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY

Power communication network delay detection method and device based on fgOTN

The invention relates to the technical field of network delay detection, in particular to an fgOTN-based power communication network delay detection method and device. The method comprises the following steps: firstly, establishing a power communication network model according to power communication equipment and a link relationship thereof, selecting any two nodes in a network as a transmitting end and a receiving end, and acquiring time delay of data during transmission at the two ends; secondly, acquiring all paths from a sending end to a receiving end under different flow conditions based on historical data, and acquiring average time delays of all the paths under different flows; meanwhile, historical data are analyzed according to the constructed delay detection model, and optimal path delays under different flows are obtained. And finally, acquiring a current flow state and time delay thereof in the power communication network, comparing the time delay with the average time delay function and the optimal time delay function, and judging whether the time delay is in a normal interval or not. And if the delay exceeds the interval, predicting the abnormal state of the network by calculating a high burst delay probability.
Owner:NORTHEAST ELECTRIC POWER DESIGN INST CO LTD OF CHINA POWER ENG CONSULTING GRP

Tail pipe rubber plug, tail pipe rubber plug device with controllable breakdown pressure and application method of tail pipe rubber plug device

ActiveCN119593720AImprove emergency responseIncrease job securitySealing/packingWell cementingCement paste
The invention relates to the technical field of oil field drilling liner cementing, in particular to a drilling liner rubber plug, a drilling liner rubber plug device with controllable breakdown pressure and an application method of the drilling liner rubber plug device. The upper body and the lower body are used for bearing all parts of the tail pipe rubber plug and arranged on the upper portion and the lower portion of the tail pipe rubber plug respectively. The shear pin is used for connecting the tail pipe rubber plug and the central pipe, and when the pressure applied to the tail pipe rubber plug by the drill rod rubber plug reaches a first preset pressure value, the shear pin is cut off; the emergency shearing sleeve is fixed to the middle of the cavity of the lower body through the emergency pin, when the pressure applied to the tail pipe rubber plug by the drill rod rubber plug reaches a second preset pressure value, the emergency pin is cut off, and the emergency shearing sleeve continues to move downwards along with the drill rod rubber plug. When the tail pipe rubber plug body is blocked in the tail pipe and cannot be smoothly jacked through, an emergency breakdown mechanism can be started, and excessive cement paste is effectively prevented from being retained in the tail pipe.
Owner:ZHANJIANG BRANCH OF CHINA NATIONAL OFFSHORE OIL CORP

AGV (Automatic Guided Vehicle) control system and method for emergency carrying of environmental chamber test vehicle

The invention relates to an AGV (Automatic Guided Vehicle) control system for emergency carrying of a test vehicle in an environmental chamber, which comprises an emergency management module, an automatic unbinding module and a vehicle moving AGV module, and is characterized in that the automatic unbinding module is used for binding the test vehicle on a stand column and immediately unbinding after receiving an emergency carrying instruction, so that the test vehicle can be carried by the AGV; and the vehicle moving AGV module comprises an AGV control sub-module and an AGV execution sub-module. The invention further discloses an AGV control method for emergency carrying of the environmental chamber test vehicle. According to the AGV control system and method designed for the emergency carrying scene of the test vehicle in the environmental chamber, the vacancy of a current AGV emergency carrying control system is made up, rapid response and processing under the emergency situation can be effectively handled, and meanwhile the stability and safety of the carrying process are guaranteed; according to the invention, the emergency processing capability of the system is enhanced, the operation process of the AGV is optimized, the dependence on operators is reduced, and the possibility of human errors is reduced.
Owner:HEFEI UNIV OF TECH

Method and system for opening and closing emergency power supply based on intelligent control water gate

The invention relates to the technical field of hoist emergency power supplies, in particular to a method and system for opening and closing an emergency power supply based on intelligent control of a water gate, and the method comprises the steps: obtaining a target water gate opening and closing motor, monitoring a power indicator light of a power gate engine in real time, obtaining a three-phase sine wave power supply if the power indicator light is determined to be extinguished, and charging the power gate engine; if the charging brake engine needs to execute reversing operation, the charging brake engine is subjected to reversing operation, a reversing brake engine is obtained, if the charging brake engine does not need to execute reversing operation, current monitoring is conducted on the charging brake engine, current data are obtained, and if it is confirmed that data larger than a preset current threshold value exist in the current data, the solid-state battery module is adjusted; and obtaining optimal current data until data greater than a preset current threshold value does not exist in the current data, and completing the opening and closing of the emergency power supply based on the intelligent control water gate based on the optimal current data and the reversing gate engine. The efficiency and the intelligent degree of the emergency power supply can be improved.
Owner:WUXI UNIV

Intelligent filtering energy-saving power control device

The invention discloses an intelligent filtering energy-saving electricity control device, and belongs to the technical field of electric energy filters. Comprising an electric control cabinet protection cabinet body and a sealing door hinged to the outer surface of the electric control cabinet protection cabinet body, an electric energy filter main board is fixedly installed at the inner axis position of the electric control cabinet protection cabinet body through an auxiliary support, and a first circular ring frame is fixedly installed at the outer edge position of the electric energy filter main board through an auxiliary support; the first circular ring frame and the adjustable air control module are arranged in the protection cabinet body of the electric control cabinet, and a servo motor and a rotating plate in the circular ring driving module are combined, so that 360-degree surrounding rotation of fan blades is realized, and heat around the main board of the electric energy filter is effectively taken away. Meanwhile, the outward-extending infrared detection unit can perform 360-degree dead-corner-free scanning in the rotating process, the temperature of all parts of the electric energy filter mainboard is monitored in real time, it is ensured that preventive measures are taken before equipment damage caused by high-temperature elements, and the stability and reliability of the equipment are improved.
Owner:ZHEJIANG YONGSHENG INTELLIGENT TECH CO LTD

Inclined steel pipe pile support with pit bottom pressure reduction and bidirectional grouting functions

The utility model discloses an inclined steel pipe pile support with pit bottom pressure reduction and bidirectional grouting functions, and belongs to the field of building construction. The inclined steel pipe pile support sequentially comprises a top conventional section, a middle grouting section, a bottom pressure reduction section and an end grouting head from top to bottom. And a plurality of grouting pipes are uniformly fixed on the inner sides of the top conventional section, the middle grouting section and the bottom pressure reducing section in the circumferential direction. A plurality of lateral grouting holes used for lateral soil reinforcement are formed in the side wall of the middle grouting section at intervals in the axial direction of the lateral grouting pipe; a plurality of filter holes for releasing the pressure of the confined water are formed in the side wall of the bottom pressure reducing section. The end grouting head is of a conical structure for reducing resistance; and an end grouting hole communicated with the end grouting pipe is formed in the end grouting head. The inclined steel pipe pile support has the functions of pit bottom pressure reduction and two-way grouting, and the number of pressure reduction wells in a pit can be remarkably reduced. In addition, after large-scale pouring of the bottom plate is completed, the inclined steel pipe pile support can be pulled upwards to be recycled.
Owner:ZHONGTIAN CONSTR GROUP +1

A speed reducer device for emulsion drilling rigs

This utility model discloses a reducer device for emulsion drilling rigs, including a first mounting shell, a second mounting shell disposed on the first mounting shell, and fixing bolts disposed between the first and second mounting shells. It enables rapid fixing and disassembly of the reducer body without disassembling numerous related components, significantly simplifying the replacement process, shortening downtime, and reducing the impact on construction progress. In terms of maintenance, the ease of assembly and disassembly reduces reliance on confined operating spaces and the risk of secondary damage due to improper operation. Regarding costs, it reduces labor hours and labor costs; reduces wear and tear on surrounding components from repeated disassembly, lowering the probability of unplanned replacements; and eliminates the need to stock complete units, reducing inventory costs. Furthermore, the flexible fixing method facilitates adaptation to equipment upgrade needs without requiring modification or replacement of the entire machine, further reducing costs, making it particularly suitable for scenarios such as underground mining.
Owner:SHIJIAZHUANG YIDA BREAST HORSE DRILL MACHINERY CO LTD

Novel power distribution system multi-time scale reserve capacity optimal configuration method and device

The invention discloses a novel power distribution system multi-time scale reserve capacity optimization configuration method and device, and the method comprises the steps: generating an operation scene based on wind and light load information through employing a Wasserstein gradient penalty generative adversarial network, and generating a typical scene set through employing an improved K-means clustering reduction scene; based on the multi-time-scale standby service demand model, constructing a power distribution system multi-time-scale standby capacity double-layer optimization configuration model based on conditional value-at-risk, and applying a conditional value-at-risk theory to control operation risks existing in a typical scene set; performing equivalent transformation on the double-layer optimal configuration model and constraint conditions based on second-order cone relaxation and parameter transfer, and obtaining an optimal configuration result through a solver; and based on an optimal configuration result, realizing optimal configuration of the standby resources with the minimum optimal configuration and operation cost. The device comprises a processor and a memory.
Owner:TIANJIN UNIV +2

Well descending abnormity identification method and device based on dynamic time warping

The invention discloses a well descending abnormity identification method and device based on dynamic time warping. The method comprises the following steps: acquiring monitoring data of a miner descending into a well; preprocessing the monitoring data of the miner descending into the well to obtain preprocessed monitoring data; extracting personnel step number and personnel vital sign data from the preprocessed monitoring data; clustering miners according to the personnel step number to obtain a plurality of miner clusters; on the basis of the same miner cluster, obtaining the personnel vital sign similarity between any two miners according to dynamic time warping; and according to the similarity of the vital signs of the personnel, well descending abnormal data are recognized, and thus well descending abnormal recognition based on dynamic time warping is completed. The method can comprehensively and effectively identify underground abnormal conditions, and significantly improves the accuracy of abnormal identification, thereby providing more reliable guarantee for underground safety.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD +1

Bridge incident drainage collection device

The utility model relates to municipal and highway drainage engineering technical field especially, relate to a bridge accident drainage collection device, including oil separation sedimentation tank, accident pool, water quality detection well, sedimentation tank inlet water electric valve, accident pool inlet water electric valve, the water quality detection well is linked together with the inlet pipe of accident water, the oil separation sedimentation tank and accident pool are linked together with the both ends of water quality detection well through the water pipe, the top of oil separation sedimentation tank is equipped with the oil baffle along the vertical direction, the bottom of oil baffle is suspended in the pool bottom of oil separation sedimentation tank, and the water flows through the oil separation cavity and enters the deposition cavity from the bottom of oil baffle from top to bottom, the middle of accident pool is equipped with overflow weir, and the overflow weir divides accident pool into two compartments, and after the first compartment is full of water, can overflow to the second compartment through overflow weir. The utility model can solve how to collect the accident drainage collection of the road section crossing sensitive water area, avoid the environmental risk of pollutant entering sensitive water area, realize the real-time monitoring and emergency expansion function problem.
Owner:CHANGJIANG SURVEY PLANNING DESIGN & RES CO LTD

Charge detection optimized and improved ash bucket anti-blocking heat-tracing-free system

ActiveCN224184988UDynamically adjust output intensityAccurately enhance beam currentLarge containersThermodynamicsDistributed control system
The utility model provides a charge detection optimized and improved ash bucket anti-blocking heat-tracing-free system, which comprises an ash bucket, a special nano ceramic material coating coated on the inner wall of the ash bucket, a fluidization air pipeline arranged at a position close to the bottom of the ash bucket, an anti-blocking device arranged at an inlet of the fluidization air pipeline, and a charge quantity detection sensor group arranged on the inner wall of the ash bucket, the charge quantity detection sensor group is electrically connected with the distributed control system, and the outer wall of the ash bucket is provided with a blockage clearing device. The system provided by the utility model eliminates detection dead angles, the sensors collect data in real time through the distributed control system, output of the anti-blocking device is dynamically adjusted, the dust dispersing effect is improved, and the system has the advantages of being comprehensive in detection, accurate in control, low in energy consumption, long in service life and the like.
Owner:SHENHUA GUOHUA JIUJIANG POWER GENERATION CO LTD +1

Wireless communication network-based data transmission method for top-loaded ultraviolet pan-tilt camera

The invention discloses a wireless communication network-based data transmission method for a top-loaded ultraviolet pan-tilt camera, and relates to the field of wireless communication networks. The system comprises a data acquisition module, a preprocessing module, an encoding module, a transmission queue management module, a wireless transmission module, a transmission state monitoring module and a decoding verification module. According to the invention, three wireless communication networks of ZigBee, Wi-Fi and 5G are combined, a corresponding detection signal transmitting module and a detection signal receiving module are arranged, detection signals are periodically sent, the signal quality of each network is evaluated in real time, an optimal transmission network is intelligently selected according to the bit error rate, the signal arrival time interval and other indexes, and when the packet loss rate or the signal strength does not reach the standard, the optimal transmission network can be obtained. And the network mode can be automatically switched, and stable and continuous data circulation can be maintained in a complex and changeable environment no matter in an area with strong signal interference or in a remote place with weak signals.
Owner:SHANDONG QINGZHI INFORMATION TECH CO LTD

Intelligent folding and unfolding double-layer skeleton type windproof and hail-proof greenhouse

The invention discloses an intelligent retractable double-layer skeleton type windproof and hail-proof greenhouse, and relates to the technical field of agricultural greenhouses, the technical key points are that the greenhouse comprises an inner skeleton and a foundation block fixedly mounted at the top of the inner skeleton, the inner side of the foundation block is provided with a hail-proof mechanism, and the hail-proof mechanism comprises an outer skeleton, an elastic net and a deicing assembly; the elastic net comprises a plurality of buses fixedly installed on the inner side of the outer framework, telescopic springs are fixedly installed in the buses, and a plurality of sub-wires fixedly connected with the other inner side of the outer framework are fixedly installed at one ends of the telescopic springs. The anti-hail greenhouse has the advantages that the anti-hail capability of the greenhouse is effectively improved, the deicing component is used for quickly melting an ice layer, the windproof mechanism is arranged to enhance the stability in strong wind weather, the safety and stability of agricultural production in extreme weather are comprehensively guaranteed, and the influence of natural disasters on crops is reduced.
Owner:HUANGLING COUNTY CHENHAO ANTI-HAIL AGRI TECH CO LTD

Oblique steel pipe pile support with dewatering and end grouting functions

The utility model discloses an inclined steel pipe pile support with dewatering and end grouting functions, and belongs to the field of building construction. The inclined steel pipe pile support comprises a pile body standard section and a pile end grouting head. The pile end grouting head is arranged at the bottom end of the pile body standard section, and the top end of the pile body standard section is connected with a top beam at the top of a foundation pit peripheral supporting structure through a reinforcing pier. The pile body standard section is of a hollow structure, and a plurality of grouting pipes are evenly fixed to the inner side of the pile body standard section in the circumferential direction. A plurality of filtering holes used for draining and dewatering are formed in the side wall of the standard section of the pile body, the positions of the filtering holes are kept away from the grouting pipe, and grout leakage is avoided. The pile end grouting head is of a conical structure capable of reducing resistance, and a pile end grouting hole is formed in the pile end grouting head. The inclined steel pipe pile support has the functions of dewatering and end grouting, and the combined action of the dewatering and end grouting ensures that the bearing capacity of the steel pipe pile can meet the design requirement. In addition, after large-scale pouring of the bottom plate is completed, the inclined steel pipe pile support can be pulled upwards to be recycled.
Owner:ZHONGTIAN CONSTR GROUP +1

Interlocking mechanism of permanent magnet ring main unit

The utility model relates to an interlocking mechanism of a permanent magnet ring main unit, which comprises a support frame and a support frame, the support frame is provided with a mounting hole, a driving shaft is arranged in the mounting hole, one end of the driving shaft extends outwards and is provided with a cam, and the other end of the driving shaft is connected with a transmission shaft of a permanent magnet circuit breaker through a coupler. Two guide pins are arranged on the outer side of the supporting frame and located below the driving shaft, an interlocking sliding plate is installed on the two guide pins in a sliding mode, kidney-shaped holes are formed in the positions, corresponding to the two guide pins, of the interlocking sliding plate so that the interlocking sliding plate can slide in the vertical direction, and a reset tension spring is installed between the inner side of the interlocking sliding plate and the supporting frame. A top plate is arranged at the top end of the interlocking sliding plate corresponding to the cam, and a locking part is arranged at the lower end of the interlocking sliding plate and used for shielding an operation shaft of the isolation mechanism; according to the utility model, interlocking between the permanent magnetic mechanism and the isolation mechanism of the permanent magnetic ring main unit is realized, and the operation safety is improved.
Owner:HUBEI WANGAN TECH

Electric feed pump isolation method and electric feed pump isolation system thereof

The invention relates to an electric feed pump isolation method and an electric feed pump isolation system thereof, and belongs to the field of thermal power generating unit feed pumps, and the method comprises the following steps: S1, when a unit is reduced to 50% of BMCR load, stopping a faulted feed pump, and checking that an air inlet electric door and a control valve of the feed pump are closed tightly; s2, after the rotating speed of the feed pump reaches 0, the electric feed pump is powered off; s3, pressure relief and drainage of the feed pump, closing a high-pressure door, closing a low-pressure door and closing an outlet electric door of the feed pump; s4, closing a manual door of a middle tap of the water feeding pump; s5, closing a manual dosing door at the inlet of the booster pump and the like; the device has the advantages that rapid and safe isolation maintenance of the electric feed pump is achieved, equipment damage is avoided, and the safety and economic benefits of unit operation are enhanced. Through the step-by-step pressure relief water drainage and isolation steps, it is ensured that the pressure in the system is effectively controlled before the water feeding pump is overhauled, and equipment damage or personnel injury caused by sudden pressure release is prevented.
Owner:HUADIAN POWER INTERNATIONAL CORPORATION LTD +1

A tailpipe rubber plug, a tailpipe rubber plug device with controllable breakdown pressure, and its application method.

ActiveCN119593720BImprove emergency responseIncrease job securitySealing/packing
This invention relates to the field of oilfield tailpipe cementing technology, specifically to a tailpipe rubber plug, a controllable breakdown pressure tailpipe rubber plug device, and its application method. The tailpipe rubber plug includes: a shear pin, an upper body, a lower body, an emergency pin, and an emergency shear sleeve. The upper and lower bodies support the various components of the tailpipe rubber plug and are respectively located at the upper and lower parts of the tailpipe rubber plug. The shear pin connects the tailpipe rubber plug to the central tube. When the pressure applied by the drill pipe rubber plug to the tailpipe rubber plug reaches a first preset pressure value, the shear pin shears off. The emergency shear sleeve is fixed to the center of the cavity of the lower body by the emergency pin. When the pressure applied by the drill pipe rubber plug to the tailpipe rubber plug reaches a second preset pressure value, the emergency pin shears off, and the emergency shear sleeve continues to descend with the drill pipe rubber plug. This invention can activate an emergency breakdown mechanism when the tailpipe rubber plug body encounters obstruction and pressure buildup in the tailpipe, effectively preventing excessive cement slurry from remaining in the tailpipe.
Owner:ZHANJIANG BRANCH OF CHINA NATIONAL OFFSHORE OIL CORP

A simulation training device for potential malfunctions and accidents

ActiveCN224625093UImprove emergency response
This application relates to the field of simulation training device technology and discloses a simulation training device for potential malfunctions and accidents, including an outer pipe and an inner pipe. Multiple sets of inner pipes are arranged inside the outer pipes. The diameter of the inner pipe is smaller than that of the outer pipe. Both ends of the inner pipe are fixedly connected to annular plates, which are fixedly connected to the inner surface of the outer pipe. An exhaust space is formed between the inner surface of the outer pipe and the outer surface of the inner pipe, located between the two sets of annular plates. Leakage points are provided at the exhaust space locations on the outer pipe. A connecting pipe is provided through the surface of the inner pipe. This invention, through the combination of the outer and inner pipes, allows instructors to pre-open one or more valves to simulate a real-world pipe leak. Students can use existing leak detection devices to detect the pipe, identify the leak points, and perform emergency operations, thereby simulating pipe leaks and improving students' emergency response capabilities.
Owner:HEFEI DEAN INTELLIGENT TECHNOLOGY CO LTD

Intelligent law enforcement and evidence collection method and system for police motorcycle

The invention discloses an intelligent law enforcement evidence obtaining method and system for a police motorcycle, and the method comprises the following steps: S1, collecting an omnibearing image from the head of a vehicle to the tail of the vehicle, and positioning the vehicle; s2, recognizing license plate information by using a multi-hidden-layer filtering recognition algorithm, wherein the license plate information comprises image preprocessing and image tilt correction; s3, detecting and recognizing a dynamic face in the acquired video image by using capsule neural network video face detection; and S4, according to the detection result, performing voice output adaptive to the detection result by using a TTS intelligent voice conversion algorithm. According to the invention, convenient, accurate and intelligent law enforcement experience is provided for vast iron-riding traffic police, and the advantages of flexibility, mobility and multiple functions of the iron-riding traffic police are brought into full play; a novel intelligent law enforcement means is provided for practically improving road surface management and control, accurately striking and determining key traffic violations, effectively relieving traffic jam pressure, improving maneuverability and flexibility of patrol police force and enhancing emergency processing and rapid reaction capability.
Owner:ANHUI VOCATION TECH CO LTD

ROS-based underwater unmanned aerial vehicle controller

The invention provides an ROS-based underwater unmanned aerial vehicle controller, which comprises a software module and a hardware module, and is characterized in that the software module is provided with a plurality of ROS nodes in an ROS communication framework; the ROS node comprises an underwater master control WEB communication system node, an underwater master control task configuration system node, an underwater master control time sequence system node, an underwater master control energy system node, an underwater master control navigation system node, an underwater master control decision control system node and an underwater master control emergency system node; an underwater master control data storage system node and an underwater master control load system node; each system node carries out receiving, sending and synchronous control of messages through an internal protocol according to different functions, and the underwater master control time sequence system node is responsible for instruction issuing and data feedback receiving of function nodes through a synchronous time sequence, namely a request response method; and the ROS node performs data synchronization and processing according to an internal protocol by a publishing and subscribing method, and the publishing and subscribing method synchronizes message data among systems.
Owner:BEIJING ZHONGAN INTELLIGENT INFORMATION TECH CO LTD

Ship operation simulation method and system based on geographical environment simulation

The embodiment of the invention provides a ship operation simulation method and system based on geographical environment simulation, and the method comprises the steps: receiving a navigation task of a target ship, and determining whether the route information of the navigation task has a risk region or not; obtaining water area data and historical accident data of the risk area, and generating a simulation operation task based on the water area data and the historical accident data; acquiring an operation time axis of the test personnel completing the simulation operation task, comparing and determining misoperation of the test personnel in combination with a preset standard operation time axis, calculating a corresponding task score, and judging whether the task score is higher than a score threshold value or not; and when the task score is lower than the score threshold, repeating the steps of determining a model accident corresponding to the misoperation, adjusting accident data of the model accident, generating a simulation operation task in combination with the regional model, calculating the task score of the simulation operation task completed by the tester, and stopping the test until the task score is higher than the score threshold.
Owner:ZHEJIANG INT MARITIME COLLEGE +1

Emergency power supply management circuit and single-phase three-phase electric meter

The present invention provides an emergency power supply management circuit for a single three-phase electric meter and a single three-phase electric meter. The circuit includes a power management chip, including an LDO constant current charging module, a boost module and a diode D2; a voltage stabilizing unit, including capacitors C4 and C5, for stabilizing the LDO output voltage; a supercapacitor, for storing the energy required for emergency power supply; and an MCU, which is the power consumption end of the emergency power supply management circuit and is used for controlling and monitoring the electric meter. The present invention can effectively provide a stable voltage output when the power supply is interrupted, ensuring the stable operation and rapid response of the system in an emergency.
Owner:杭州得明电子股份有限公司

Tunnel driving vehicle monitoring method and system, terminal and storage medium

The invention relates to the technical field of tunnel driving, in particular to a tunnel driving vehicle monitoring method and system, a terminal and a storage medium. Comprising the following steps: S1, constructing a tunnel simulation model based on geometric data of a tunnel; s2, acquiring a real-time position, a real-time speed, a real-time acceleration and a special identifier of the vehicle; s3, establishing a Kalman prediction model to predict the position, the speed and the acceleration of the vehicle; s4, analyzing and marking special vehicles in combination with the predicted position, speed and acceleration and the real-time position, real-time speed and real-time acceleration, wherein the special vehicles comprise a track special vehicle and a speed special vehicle; and S5, displaying the marked special vehicle and / or the vehicle with the special identifier at the corresponding position of the simulation model. The vehicle driving trend can be observed in advance, and potential risks can be found in time.
Owner:SHANDONG ZHENGCHEN TECH CO LTD