2319results about How to "Reduce safety incidents" patented technology

The invention discloses a routing inspection robot vision system and a state detection method of a transformer substation. The routing inspection robot vision system comprises a motion control module, wherein a holder control module is arranged on the motion control module and connected with an image acquisition module through a vision servo module, the image acquisition module is connected with an image intelligent analyzing system through an image transmission module, the image intelligent analyzing system comprises a device classifying module, a disconnecting link state recognition module, a high-voltage breaker recognition module, an instrument reading module and an appearance abnormal recognition module, and modules of the image intelligent analyzing system are connected with a comprehensive analyzing module which is connected with a transformer substation information control system interface module. The routing inspection robot vision system and the state detection method of the transformer substation can automatically analyze the current device states including all detection contents of the daily patrol working of the transformer substation, achieve conversion from a cycle patrol mode to the patrol mode based on the states, complete automatic recognition and recording of the device states of the transformer substation and greatly reduce engagement of working staff.

The invention discloses an intelligent charging method and device; the method comprises the following steps: the maximum output current of a charger is detected: while charging up a terminal, the voltage at two ends of the charger is detected, the maximum charging current which is obtained by detection and causes the voltage of the charger to be normal is taken as the maximum output current of the charger; and the charging current which is not more than the maximum output current is used for charging up the terminal; the device comprises a maximum output current detection module which is used for detecting the maximum output current of the charger and detecting the voltage of the charger while the charger charges up the terminal; and the maximum charging current which is obtained by detection and causes the voltage of the charger to be normal is taken as the maximum output current of the charger. The method and device of the invention cause the terminal to be capable of intelligently recognizing the maximum output currents of different chargers and control the charging current within the safety range, improve the compatible capacity of the terminal to various chargers, protect the charger and reduce the probability of the safety accident.

The invention relates to a glare control system based on Internet of vehicles and a control method of the glare control system. The system comprises a GPS (global positioning system) module used for judging the current position of a vehicle; a communication module connected with the GPS module for realizing data transmission among the vehicles; an information processing module connected with the communication module for processing the received information and information of the vehicle to judge whether meeting or whether the meeting is finished and send a corresponding command to an executing module; and the executing module connected with the information processing module for executing the command sent by the information processing module. The system and the method provided by the invention have accurate data transmission and sensitive reaction in an operation process, the vehicle-mounted glare control system can automatically switch a high beam and a dipped headlight according to the distance among the vehicles within a preset range so as to achieve the anti-glare purposes and effectively reduce safety accidents.

Starter control valve failure prediction machines, systems, program products, and computer implemented methods to predict and trend starter control valve failures in gas turbine engines using a starter control valve health prognostic and to make predictions of starter control valve failures, are provided. A computer implemented method according to an embodiment of the present invention can include the steps of generating a continuous starter control valve deterioration trend function responsive to a plurality of health indices derived from gas turbine engine startup data downloaded from gas turbine engine sensors for a plurality of startups and analyzing the continuous starter control valve deterioration trend function to identify potential starter control valve failure points where the points on the starter control valve deterioration trend function correlate to a starter control valve health prognostic responsive to historic gas turbine engine startup data downloaded from gas turbine engine sensors.

The invention provides a quantitative estimation method of a lithium ion power battery internal short-circuit degree, and the quantitative estimation method belongs to the technical field of batteries. The invention provides the estimation method based on a battery electrochemical model, which identifies model parameters by adopting an optimization method, and through establishing an internal short-circuit equivalent circuit model and utilizing variations of half-cell voltage along with the state of charge (SOC) and a discharge voltage curve of an internal short-circuit battery, thereby acquiring an estimated value of internal short-circuit resistance. The quantitative estimation method has good repeatability, high adaptability, can be used for evaluating the internal short-circuit degree of the battery with triggered internal short-circuit, and can complete the estimation of magnitude of the internal short-circuit resistance in different battery operating states. The quantitative estimation method provides valid internal short-circuit evaluation data for an internal short-circuit early detection algorithm, and has important practical significance.

The invention discloses an Internet of vehicles information system oriented to V2X network connection vehicles. The system comprises a vehicle terminal T-BOX, a mobile APP client side and a server background system; one mobile phone APP is bound with one vehicle terminal T-BOX; the vehicle terminal T-BOX is mounted on the vehicle through an OBD interface, the vehicle terminal T-BOX on each vehiclecan perform ad-hoc networking with the other vehicles in a communication range and perform communication through a V2X(802.11p) dedicated short-distance wireless communication mode; and the vehicle terminal T-BOX communicates with the server background system through a 4G/5G wireless mode. The Internet of vehicles information system provided by the invention is formed by combination with demandsof the present vehicle networking and vehicle security pre-warning and the disadvantages of the current single-vehicle communication.

The invention discloses a power supply plugging system. The system comprises a shell (1) and a walking cavity (2) arranged inside the shell (1). The left side of the walking cavity (2) is communicated with a plug sliding cavity (3). A power supply base (4) is arranged on the right side of the walking cavity (2). A power supply socket (41) is arranged in the power supply base (4). A plug device of electrical equipment is arranged in a sliding manner in the plug sliding cavity (3). The plug device includes a plug body (5), a holding block (53) arranged on the plug body (5), a square lock slot (51) arranged on the plug body (5), and an electrical connector (52) arranged on the right side face of the plug body (5). The electrical connector (52) is used for being connected with the power supply socket (41) to supply power. The edge of the right side face of the plug body (5) is provided with a guide slope (55).

The application provides a method and device for controlling a driverless vehicle and a storage medium. The method comprises the following steps of judging whether the operating state of a master control module is abnormal or not according to vehicle state information detected by a failure detecting module; when the condition that the operating state of the master control module is abnormal is determined, acquiring a failure scene in which the driverless vehicle is and a failure problem by utilizing an auxiliary control module; and controlling the driving state of the driverless vehicle according to a control strategy determined by the auxiliary control module according to the failure scene and the failure problem. According to the technical solution, the occurrence probability that a safety accident is caused by the fact that the master control module of a driverless system works abnormally is reduced, and the problem that personal safety and equipment and property safety can be possibly threatened during research and development of the driverless vehicle is solved.

The invention relates to a method for controlling full automatic roll changing of a hog finishing mill. Hardware used by the method consists of a controller, a server, an operating computer and a roll changing bogie, wherein the server and the operating computer are connected with the controller respectively, and the controller controls operation of the roll changing bogie. The control method comprises the following steps in sequence: preparation of roll changing, disassembly of the prior working roll, assembly of a novel working roll, and preparation of steel rolling, wherein jacked pile position value E7 of the roll changing bogie on an upper working roll realizes relative position control by a self-adapting positioning method; the position value E7 is calculated by contact position value E9 of the roll changing bogie and a finishing machine frame minus 420 millimeters; and the contact position value E9 of the roll changing bogie and the finishing machine frame is obtained by judgment of the absolute position of the roll changing bogie before the finishing machine frame, the reference velocity, the actual velocity and the working current of a motor; and after automatic roll changing is subjected to manual interference, automatic roll changing is continuously completed by utilizing the breakpoint continuing function of an SFC module of programmed software P80i in the controller, and quick full automation of the roll changing process is realized.

The invention relates to a method for low-pressure processing of coal bed gas, comprising the steps of: introducing the coal bed gas into a hydration reactor from the bottom part of a hydration reactor so as to be contacted with hydrate working liquid in the hydration reactor, leading methane contained in the coal bed gas and water in the hydrate working liquid to generate hydration reaction to form a hydrate which is removed from the coal bed gas; meanwhile, the purified gas is obtained after the methane in the coal bed gas is removed; wherein the operation pressure of the hydration reactor is 0.11-0.85MPa, and the temperature is 3-18 DEG C. The formed hydrate can be further introduced into a hydrate decomposition device for decomposition, thereby obtaining the methane with high concentration. The invention simultaneously relates to a device for realizing the method for low-pressure processing of the coal bed gas. The invention can safely purify the oxygen-containing coal bed gas under lower pressure and remove the contained methane to be lower than 0.05 molar fraction, thereby reducing the emission of the methane, reducing the greenhouse effect and simultaneously avoiding the risk of explosion.

The invention provides a power battery thermal runaway early warning method. The abnormal deviation of the lowest battery monomer voltage to the average voltage is calculated and the abnormal deviation of the highest monomer temperature to the average temperature is calculated through real-time detection data of the battery monomer voltage and the battery monomer temperature. The battery value ofa battery module is detected, and abnormal deviation of the charge state is calculated according to various detection parameters. Meanwhile, the combustible gas concentration and the gas pressure aredetected in real time, and whether the combustible gas concentration reaches a threshold value or not and whether the gas pressure reaches the threshold value or not are judged. The above parameters are comprehensively considered, and thermal runaway early warning is performed. According to the method, the thermal runaway can be early warned before the thermal runaway occurs, so that the harm caused by the thermal runaway is greatly reduced. The power battery thermal runaway early warning method is beneficial to improving the reliability of power battery safety management and reducing the occurrence of lithium ion power battery safety accidents.

The invention relates to a construction steel structure weld ultrasonic phased array detection technology. The technology employs an ultrasonic phased array detection instrument (1) and an ultrasonic phased array probe (2) to detect the weld defect (7) in a weldment's weld (6), and consists of the steps of: 1. instrument setting; 2. instrument calibration; and 3. scanning detection. Specifically the phased array detection instrument comprises a host, the probe, software, a scanning device and accessories. According to the detection technology provided by the invention, ultrasonic phased array is employed to scan the weld only 1 to 2 times so as to finish detection, and the detection result and image are stored. The technology can effectively shorten the detection cycle, can provide beneficial reference basis for ensuring safety assessment of construction steel structure, reduces the occurrence of safety accidents, and provides reference for design to reduce conservative design, enriches construction steel structure weld nondestructive detection methods, improves work efficiency and quality, and escorts construction steel structure welding quality.

The invention provides an underground emergency evacuation virtual crowd simulation method based on multiple intelligent agents. A virtual mine emergency evacuation crowd simulation frame is built by using the underground emergency evacuation virtual crowd simulation method based on the multiple intelligent agents. The virtual mine emergency evacuation crowd simulation frame is mainly composed of five portions of a crowd simulation engine, a geometric scene simulation engine, a scene database, an event recorder and a human-computer interaction interface. In consideration of different understandings on mine knowledge and different behavior decisions of miners playing different roles when mine disasters occur, a multiple intelligent agent miner crowd emergency evacuation module and a crowd emergency evacuation algorithm for the different roles of the miners such as job foremen, expert miners, common miners and rescuers are built by using the underground emergency evacuation virtual crowd simulation method based on the multiple intelligent agents according to a role theory. The underground emergency evacuation virtual crowd simulation method based on the multiple intelligent agents can simulate true situations of a mine well, has good universality and verisimilitude, and can provide effective technical support for underground security accident analysis and prevention, mine safety training and rescue exercises.

A method, system and program product for alerting an information technology support organization of a security event is provided. The method includes storing in a trouble ticket alerting system trouble tickets corresponding to security events logged for a system. Further, the method includes analyzing, at a pre-determined time interval, recently logged security events among the security events logged, the recently logged security events being logged within the pre-determined time interval, comparing a recent security event of the recently logged security events to each of the trouble tickets, automatically creating a new trouble ticket when no match is found to an existing trouble ticket and if the recent security event matches an existing trouble ticket, escalating the existing trouble ticket, such that an information technology support organization is alerted of the recent security event so that appropriate action can be taken to alleviate the recent security event.

The invention provides a lithium-ion battery composite membrane and a preparation method thereof and a lithium-ion battery. The lithium-ion battery composite membrane comprises a polyolefin membrane and a protective layer, wherein the protective layer is arranged on at least one surface of the polyolefin membrane; the protective layer is formed by the following composition; the composition contains a composite phase-change microcapsule and a binder; the composite phase-change microcapsule contains a phase-change material and a fire retardant; and inorganic particles are attached to the outer surface of the composite phase-change microcapsule. The lithium-ion battery composite membrane simultaneously has good high temperature resistance, heat buffer performance and flame retardant property; and the use safety of the lithium-ion battery can be significantly improved.

The invention relates to an automatic laminating machine comprising a frame, an X shaft moving mechanism, a Y shaft moving mechanism, a Z shaft moving mechanism, a work bench, a picking and compressing mechanism, an image system, and a controlling system. The X shaft moving mechanism and the Y shaft moving mechanism are arranged on the frame. The work bench used for bearing accessories and a product requiring lamination is arranged on the X shaft moving mechanism, and can move along the X shaft under the driving of the X shaft moving mechanism. The Z shaft moving mechanism is arranged on the Y shaft moving mechanism, and can move along the Y shaft under the driving of the Y shaft moving mechanism. The picking and compressing mechanism is arranged on the Z shaft moving mechanism, and can move along a direction perpendicular to the X shaft and the Y shaft under the driving of the Z shaft moving mechanism, such that the picking and compressing mechanism can move toward or depart form the work bench. The image system is arranged on the Z shaft moving mechanism. The image system is used for acquiring related information of the accessories and the product requiring lamination, and for feeding the information back to the controlling system. With the information, the controlling system transmits corresponding execution signals.

The invention relates to an annular protecting liquid for oil and gas wells and belongs to the chemical technology field. In the liquid, a solution of organic acid salts is used as a density modifier, an imidazoline quaternary ammonium salt is used as a corrosion inhibitor, a quaternary ammonium salt cationic surfactant is used as a bacteriostatic agent and an isoascorbic acid alkali metal salt or an optical isomer thereof is used as a deoxidant. And an iron-centric coordination compound with two-valence ion or basic zinc carbonate can be added as a Desulphurizing Reagent, according to the sulfur-containing situation of a casing annulus. With a corrosion rate to N80 steel discs of 0.070mm/a and a corrosion rate to TP110SS steel discs of 0.0105mm/a, the annular protecting liquid, which is capable of prolonging the service life of an annular tubular column of a shaft by over 50% and decreasing the safety accidents resulted from corrosion perforation by over 30%, satisfies the requirements of annular protecting liquid for wells with different depths, has the characteristics of low stratum damage rate and no pollution and is applicable to the annular protection of oil and gas wells with high content of sulfur or other oil and gas wells.

An ecological city system is prepared as setting motor vehicle road to be highway road for eliminating off traffic block-up, building all weather road system to separate man from motor vehicle and man from bicycle lane, setting sound proof shed above and along motor vehicle road to completely isolate noise of motor vehicle, setting zero transfer station structure between top layer and bottom layer of overpass to build up zero transit system of city public transit.

The invention discloses an anti-icing paint. The paint comprises a component A and a component B in a mass ratio of (4-7):1, wherein the component A is prepared from the following ingredients in percentage by mass: 20-80 percent of fluorosilicon resin with solid content of 20-70 percent, 0.05-2 percent of a defoaming agent, 0.05-2 percent of a flatting agent, 0.05-2 percent of a rheological agent, 0.05-5 percent of a light stabilizer, 0.05-2 percent of a matting agent, 0.05-2 percent of drier, 10-60 percent of rutile titanium dioxide, 0.1-20 percent of a dispersant and 20-70 percent of a solvent A; and the component B is prepared from the following ingredients in percentage by mass: 20-80 percent of a polyisocyanate curing agent and 20-80 percent of a solvent B. The anti-icing coating formed by the anti-icing paint has low surface energy and good hydrophobicity, can be used for effectively reducing the ice adhering strength of a base material, has excellent weather resistance and abrasion resistance, has high hardness and strong adhesive force to the base material, can be applied to wind blades, electric wires and cables and other cold surfaces with anti-icing requirement, and can be used for effectively relieving the icing phenomenon of cold surfaces, guaranteeing efficient working of the wind blades, the electric wires and cables and the like and prolonging the service lives of the wind blades, the electric wires and cables.

The invention relates to a fault data prediction method, a device, a computer device and a storage medium of a generator set. The method comprises: acquiring operating parameters in the current operation process of the generator set; carrying out decision classification on the operation parameters by using an established decision tree model; acquiring the output classification information after the decision tree model decision classification; outputting fault data prediction results based on the classification information. By using the fault data prediction method of the generator set, the accuracy of the fault analysis can be improved, and the occurrence of safety accidents can be reduced, therefore, the fault prediction accuracy is high.

The invention belongs to the technical field of lithium ion batteries, and concretely discloses a high-safety lithium ion battery cathode material and its preparation method. The preparation method of the high-safety lithium ion battery cathode material comprises the following steps: reacting an Al(OH)3 sol with NaOH and LiOH at 40-90DEG C to prepare LiAlO2, mixing graphite with the LiAlO2, adjusting the pH value, heating to 500-800DEG C to remove organic compounds and water, and grinding to obtain graphite/LiAlO2 composite powder; and putting the graphite/LiAlO2 composite powder under an iron catalyst in a quartz tube to prepare an LiAlO2/carbon nanotube composite material, and ball-milling to obtain the high-safety lithium ion battery cathode material. The high-safety lithium ion battery cathode material provided by the invention has an excellent safety performance, and is especially suitable for large capacity and high rate lithium ion batteries.

The invention belongs to the technical field of computer vision, and particularly relates to a labor protection article wearing condition detection and identity recognition method based on deep learning. The method comprises the following steps of collecting data to make a special data set for worker labor protection article wearing condition detection and identity recognition; preprocessing, labeling and dividing the data set; designing and training each depth model based on multiple target detection algorithm principles; carrying out model integration on a plurality of depth models by adopting a Stacking Enable method; and training a face recognition model and a pedestrian re-recognition model based on deep learning by using the public data set, constructing a face recognition and pedestrian re-recognition comparison database of a work site, performing adaptive optimization on the models in combination with the image database, and performing detection and monitoring. The safety of workers in a construction site is improved, safety accidents are reduced, good social value and commercial value are achieved, and the application prospect is wide.

The invention relates to a multi-functional metal surface pretreatment solution and a preparation method thereof. The multi-functional metal surface pretreatment solution is mainly prepared from the following components by weight percent: 0.2-0.6% of zinc oxide, 10-30% of phosphoric acid, 0.2-1.5% of fatty alcohol-polyoxyethylene ether, 0.5-2% of quaternary ammonium salt, 0.5-2% of hydrogen peroxide, 2-6% of hydroxymethyl imidazoline, 2-3% of ethylene glycol, 8-15% of tartaric acid, 1-3% of sodium tripolyphosphate, 0.1-0.3% of RH promoter and 0.1-0.5% of benzotriazole. The method comprises the following steps: mixing zinc oxide and water to obtain paste, adding partial phosphoric acid to stir and obtain a solution A; 2) adding water, fatty alcohol-polyoxyethylene ether, quaternary ammonium salt, hydrogen peroxide, hydroxymethyl imidazoline, ethylene glycol, solution A and other substances in a reaction tank in turn; and 3) stirring for 1.5-3.0 hours at the room temperature to obtain transparent finished product which is not agglomerated. The multi-functional metal surface pretreatment solution can be recycled, have no pollution and on emission, save energy, protect the environment and have lower cost.