91results about How to "Avoid unsafe accidents" patented technology

The invention discloses a vehicle driving safety monitoring method, a vehicle driving safety monitoring device and a vehicle driving safety monitoring system. The vehicle driving safety monitoring method comprises the steps of: determining a driving route range between a starting address and a destination address as well as a reasonable time range of arriving at the destination address by a taxi taking server according to the starting address and the destination address contained in a taxi booking request; sending an in-vehicle image acquisition command to vehicle-mounted intelligent equipment if the taxi taking server determines that vehicle position exceeds the driving route range or the vehicle driving time exceeds the reasonable time range according to driving data of a vehicle transmitted by the vehicle-mounted intelligent equipment, so that the vehicle-mounted intelligent equipment acquires in-vehicle image information and transmits the in-vehicle image information to the taxi taking server; comparing the in-vehicle image information acquired in the former period and the later period on the basis of the in-vehicle image information acquired after the vehicle-mounted intelligent equipment responds to the taxi booking request and a passenger gets on the vehicle; and sending alarm information to a safety monitoring server when determining that an unsafe index reaches a preset alarm threshold value, and notifying traffic police near the vehicle to vehicle to check or monitor the vehicle to ensure driving safety.

The invention discloses a method for detecting a locomotive bearing fault. For a practical condition of the locomotive, the method disclosed by the invention adopts a combination of a temperature detection method and a vibration detection method to perform detection on a bearing fault of the locomotive. When the temperature detection is employed to detect the locomotive bearing fault, a temperature trend analysis method and an advanced interference processing method of catching an early warning and protecting alarm. When the vibration method is adopted to detect the locomotive bearing fault, the combination of the simple diagnosis and the precise diagnosis and the combination of the vibration detection and shock pulse detection are adopted. As a result, the invention can perform early alarm on the axle fault of the locomotive, can promptly process the axles having an early stage fault, and prevent the unsafe accident from happening.

The invention discloses a timber optimized truncate method and relative optimized truncate saw. First, inputting the saw data list which comprises target saw length and quality parameters into the computer; when the sawed timber that longitudinally supplied passes the position relative to the detecting device, the detecting device reads the information of sawed timber into the computer, and the computer according to the input saw data list and said information to select the optimized sawing method; the saw machine according to said method processes truncating on the timber. Two sides of said truncate machine individually have a feeding platform and a finished product classifying platform; wherein, said feeding platform has a detecting device; said finished product classifying platform has a finished product classifying device; and a waste removing device is arranged between them.

The present invention discloses a multi-stage pulse synergistic perforating system for oil-gas well. Said system is characterized by that on the basis of adopting detonator for resisting sand impact and synergistic perforating gun said invention utilizes synergistic gun tail, connecting component and threaded connecting component to make second-stage synergistic gunpowder with higher combustion velocity and third-stage synergistic gunpowder with lower combustion velocity be added into the construction pipe string, and the adopted partition board time-delay fire lighter can light the next-stage synergistic gunpowder after a period of time after the last-stage perforating gun is perforated so as to form several gunpowder pressure pulses to fracture formation and make the fracture be continuously extended. Besides, the proppants in two synergistic gunpowders can be fed into the formation fracture together with high-temperature high-pressure gas so as to prevent the formation fracture from being closed.

The invention relates to a position prompting method and a position prompting device. The position prompting method comprises the steps of acquiring the current area of an intelligent watch; determining the safety grade of the current area of the intelligent watch according to the current area of the intelligent watch and a preset area safety grade correspondence table; and transmitting prompting information to terminal equipment according to the safety grade of the current area of the intelligent watch so that user of the terminal equipment can acquire the safety grade of the area in which a child who wears the intelligent watch exists, thereby ensuring high safety of the child.

The invention relates to the technical field of railway equipment and provides a turnout steel rail damage monitoring method and device. The device comprises a sensor, a monitoring extension, a monitoring host and a data center, wherein the sensor is mounted on a turnout steel rail and transmits collected characteristic data to the monitoring extension; after processing the characteristic data, the monitoring extension transmits processing results to the monitoring host; the monitoring host processes the processing results and performs appointed distribution; the data center manages the entire device and controls a client terminal according to reprocessed data The turnout steel rail damage monitoring device solves the technical problem that, when rail circuits and large rail inspection vehicles are utilized to detecting damage of steel rails, rapidly-developed tiny cracks cannot be identified effectively and accordingly lead to non-detection zones. Further, the turnout steel rail damage monitoring device can effectively identify the tiny cracks on the turnout steel rail to overcome the non-detection zones.

The invention relates to the technical field of access control systems, in particular to a video monitoring safety access system which is applied to an access control system in a power equipment maintenance area. The video monitoring safety access system comprises a video acquisition device, a video analysis module and a control module, wherein the video acquisition device is used for acquiring clothes characteristic image information of a maintenance user; the video analysis module is used for analyzing and processing the acquired clothes characteristic image information of the maintenance user and judging whether clothes of the maintenance user are consistent with a standard dressing style or not; the control module is used for controlling opening of a gate of the access control system in the power equipment maintenance area when the video analysis module judges that the clothes of the maintenance user are consistent with the standard dressing style. The video monitoring safety access system solves the technical problem that in the prior art, safety measures in a maintenance site are inadequately monitored, and thus can strictly monitor the safety measures so as to avoid unsafe accidents.

The invention provides a hazardous area warning method and device. The method comprises the steps that a beacon frame transmitted by a beacon is received, wherein the beacon frame comprises the identifier of the area where the beacon is located; whether the area where the beacon is located is a hazardous area is determined according to the identifier of the area where the beacon is located; if the area where the beacon is located is a hazardous area, an intelligent device prompts that a user is going to enter the hazardous area. According to the method, the intelligent device can detect the surrounding hazardous area in advance and prompts the user to prevent unsafe accidents.

The invention provides a flame-proof type multi-rotor unmanned aerial vehicle which comprises a center disc and four engine arms. The four engine arms are evenly distributed with the center disc as a center. The lower end of a box in the center disc and a transparent spherical cover are sealed, the upper end of the box and an upper cover of the box are sealed, the upper cover of the box and a GPS module are sealed, and a boss mounted on the engine arm on the side face of the box and a long rod of a motor box are sealed. A lower cover of the motor box and the motor box are sealed, an upper cover of the motor box and a connecting shaft are sealed, and an antenna mounting boss and an antenna mounting nut are sealed. Therefore, internal equipment and the outer environment are completely separated through a whole shell, combustible and explosive gas or particles in the outer environment cannot enter the shell of the flame-proof type multi-rotor unmanned aerial vehicle, safety accidents are avoided, and the life and property safety of people is guaranteed.

The invention relates to the field of crane control, in particular to a UWB-based crane wireless positioning control system and method. By the method, through combined action of a wireless label, a wireless sensor, a position calculation base station and a crane controller, the problems of low accuracy, difficulty in construction, high cost and low performance after long-time use during current crane positioning control are solved.

The invention discloses a method and device for recycling carbon disulfide from hydrogen sulfide tail gas during preparation of carbon disulfide. The method comprises the steps that the hydrogen sulfide tail gas containing carbon disulfide is introduced into a waste gas collector during preparation of carbon disulfide; the hydrogen sulfide tail gas which contains carbon disulfide and is contained in the waste gas collector is fed into a hydrogen sulfide compressor, the pressurized hydrogen sulfide tail gas containing carbon disulfide is fed into a condenser for condensation, liquid hydrogen sulfide is recycled, and gas hydrogen sulfide is conveyed into a hydrogen sulfide conveyance pipe to enter the hydrogen sulfide treatment process. The device comprises the waste gas collector, the compressor, the condenser, a carbon disulfide collector and the hydrogen sulfide conveyance pipe. According to the whole technology system, waste and sewage are not generated, so that carbon disulfide industrial production meets technological conditions of totally clean production, and production consumption is reduced to the maximum extent.

The invention discloses a temperature sensing color changing photovoltaic module. The photovoltaic module is composed of tampered glass, a transparent EVA adhesive film, crystalline silicon battery pieces, a temperature sensing EVA adhesive film, a white EVA adhesive film and a photovoltaic backboard from top to bottom in sequence, wherein the temperature sensing EVA adhesive film is a pre-cross-linking adhesive film with the cross-linking degree being 40-60%. The temperature sensing EVA adhesive film is additionally arranged in the photovoltaic module, and the photovoltaic module can carry out direct color changing display according to temperature values under irradiation of the sun, so that temperature changes in all areas on the photovoltaic module are known comprehensively, the work that working personnel carry out measurement point by point is omitted, and safety accidents are avoided.

The invention relates to a motor vehicle driving permission device based on artificial intelligence. The motor vehicle driving permission device comprises a pressure sensor, a microphone, a camera, an intelligent voice conversation system, a liquid crystal display with a touch function and a microprocessor, wherein the intelligent voice conversation system is used for transferring pre-stored voice fragments for broadcasting; the interactive reply content of a driver and the voice fragments is acquired through utilizing a microphone, or the driver can also choose to answer questions on the liquid crystal display with the touch function; the facial expression of the driver is acquired by the camera; and based on the reply content and the facial expression of the driver, the situation whether the emotion of the driver is stable or not is judged, and if the emotion of the driver is not stable, a signal of refusing ignition is outputted by the microprocessor to an ignition controller, so that the current motor vehicle cannot normally ignite. According to the motor vehicle driving permission device disclosed by the invention, a facial expression recognition system is arranged in the motor vehicle, so that whether the driver can be permitted to drive the vehicle is judged according to the expression of the driver, and the occurrence of unsafe accidents caused by abnormal emotion of the driver is avoided.

The invention discloses a vibration flat rammer, which is characterized by the following: setting motor on the frame and armrest on the armrest seat; fixing flange on the motor; setting arm seat absorber and absorber protector between armrest seat and upper installment plate; fixing the loading system on the rack lower installment plate; setting pulley box with driving structure in connection with the motor and loading system on the installment flange; adapting front eccentric block, middle eccentric block and back eccentric block in the loading case to generate exciting force to compact ground foundation through motor driving system; setting lubrication system in the loading case to lubricate the operation part and reduce noise. The invention adapts universal joint as driving part, which avoids the rigidity driving shaft breakdown phenomenon.

The invention discloses a heat-pipe type boiler / furnace / kiln flue-gas waste-heat recovery device which externally consists of a cylindrical horizontal vessel and a heat pipe set, wherein the cylindrical horizontal vessel is provided with a support, supported on the outside of the top of a flue by the support, and respectively connected with a water inlet valve, a safety valve, a pressure gauge, a discharge valve, a water outlet valve, a liquid level meter and a blow-off valve by pipes; the heat pipe set is composed of a plurality of heat pipes which are arranged according to a certain rule, the upper half parts of the pipes stretch into the water in the horizontal vessel, and the lower half parts of the pipes are inserted in the flue, so that mediums in the pipes are heated by high-temperature flue gas in the flue so as to form a steam flow, the steam flow transfers heats to the upper half parts of the heat pipes in the process of upward movement and then transfers the heats to the water in the vessel, after the heats are released, the mediums are condensed into liquid, and then the liquid flows back to the lower half parts of the heat pipes, after the process is circulated repeatedly, the heats in the flue gas are collected and rapidly transferred to the vessel so as to heat the water in the vessel to a high temperature. The waste-heat recovery device disclosed by the invention is high in heat efficiency, less in heat-transfer loss, safe and reliable.

The invention discloses an intelligent crawling control strategy for a pure electric vehicle. Judgment conditions for entering crawling are added, i.e., a driver off-seat alarm is invalid, a driver safety belt unfastening alarm is invalid, and a radar detection alarm signal is invalid. The two judgment conditions of the driver off-seat alarm is invalid and the driver safety belt unfastening alarmis invalid are met, the driver meets requirement of safe driving; and if the driver off-seat alarm is valid or the driver safety belt unfastening alarm is valid, a seat sends a load control alarm signal to an instrument, and the instrument sends an alarm icon and reminds the driver to recover the correct sitting posture and fasten the safety belt. The radar detection alarm signal detects whether pedestrians or obstacles exist on a preset advancing road of the vehicle or not through four radars so as to determine whether the vehicle is suitable for entering the crawling function or not. According to the invention, the perception ability of the vehicle to the driving intention of the driver and the surrounding environment is enhanced, wrong driving behaviors caused by misoperation, forgetting and non-standard driving habits of the driver are reduced, and unsafe accidents are avoided.

The invention relates to the technical field of optical-fiber sensing, and provides a distributed optical-fiber monitoring method and device of structure cracks. The device includes a distributed sensing optical cable, a distributed optical-fiber demodulator, a monitoring host and a data center. The distributed sensing optical cable is installed at a surface or an inside of a structure body. The distributed optical-fiber demodulator is installed near the structure body, is connected with the distributed sensing optical cable, collects feature data of the surface or the inside of the structurebody, and transmits the same to the monitoring host. The monitoring host processes the feature data, and then carries out assigned distribution. The data center manages the entire device, and controlsa customer terminal according to data after reprocessing. The problem that when crack detection is carried out by the prior art, intelligent seam finding and seam control cannot be carried out, and blind areas of detection exist are solved, then the structure cracks can be effectively identified, and the problem of the blind areas of detection is overcome.

The invention discloses a thermal power plant risk pre-control management system based on a virtual physical information fusion technology. The system comprises a high-precision positioning system, anequipment data resource pool system, a three-dimensional software integration system and an active security database system. The high-precision positioning system collects position information of important mobile equipment of a thermal power plant and real-time position information of operators and common mobile equipment of the thermal power plant, and transmits the collected information to theequipment data resource pool system. The three-dimensional software integration system collects three-dimensional model information of a whole plant, performs lossless compression on data and transmits the data into the equipment data resource pool system. The equipment data resource pool system provides plant equipment operation state information, constructor operation information, safety management information and the like for the safety database system. The system can realize dangerous pre-control management intellectualization by effectively integrating high-precision positioning, a three-dimensional data model, an active safety database and the like.

The invention provides an electric automobile intelligent control method for improving economy of a whole automobile. A slope climbing automobile speed control module (A), a load monitoring module (B)and an intelligent control module (C) are comprised. The slope climbing automobile speed control module (A) can adjust the highest automobile speed of the whole automobile in the slope climbing process in a self-adaptive mode, and the economy of the whole automobile is optimized. The load monitoring module (B) cooperates with a data network of a remote monitoring platform, so that the fleet management is facilitated, the direction of goods can be tracked in real time, and the occurrence of unsafe accidents caused by overload by a driver can be avoided. The intelligent control module (C) adjusts the actual torque output of an electric driving system in a self-adaptive mode through load data uploaded in real time, and the economy of the whole automobile is further optimized. Secondly, the peak discharge current of a lithium battery can also be greatly reduced through the control strategy, so that the discharging current of the lithium battery tends to be smooth, the service life of thelithium battery can be effectively prolonged, and the capacity attenuation of the lithium battery can be effectively reduced.

The invention belongs to the technical field of machining manufacture, and particularly relates to an overturning machine which is applicable to products, sectional materials and plate materials in industrial automatic production lines. The overturning machine is improved on the basis of a current tiger jaw overturning machine, and a power transmission system is changed; the power transmission system of the overturning machine comprises a motor, a reducer, a gear and a gear ring; the output end of the motor is provided with the reducer; the gear is arranged on the output end of the reducer; the gear ring fixedly clings to a tiger jaw overturning rack along the direction from the tail end of the upper part of the tiger jaw overturning rack to the tail end of the lower part of the tiger jaw overturning rack; and the gear is meshed with the gear ring. The overturning machine is simple in structure and needs small driving force.

The invention relates to a formula of a high-flashing-point water-soluble demulsifying agent. The high-flashing-point water-soluble demulsifying agent comprises the following chemical raw materials in parts by weight: 30-50 parts of epoxypropane oxirane block polymer, 20-40 parts of alcohol solvent and 20-40 parts of water. The flashing point of the water-soluble demulsifying agent prepared by replacing methyl alcohol with the high-flashing-point alcohol solvent is greater than or equal to 65 DEG C, and the water-soluble demulsifying agent has relatively strong surface activity and relatively good hydrophilcity and lipophilicity. The high-flashing-point water-soluble demulsifying agent can be used for greatly reducing the risks of production, storage, transportation and field use, which are caused by a low-flashing-point demulsifying agent using methyl alcohol and water as solvents in a crude oil gathering and transportation process, and more importantly, the high-flashing-point water-soluble demulsifying agent can be used for solving the problem that the flashing point does not meet the safe export requirements.

The invention relates to full-automatic anti-light decay laser processing equipment of a solar cell sheet. A mechanical rotating arm assembly, a rotating temperature control adsorption work bench and a cell sheet transfer module are arranged on a processing table surface separately, wherein the rotating temperature control adsorption work bench and the cell sheet transfer module are distributed at two sides of the mechanical rotating arm assembly and can horizontally rotate on the processing table surface; two groups of temperature control suction cup modules which are symmetrically distributed side by side are arranged at the upper end of the rotating temperature control adsorption work bench; a feeding suction cup and a cooling and blanking suction cup are arranged at two ends of the mechanical rotating arm assembly; the feeding suction cup and the cooling and blanking suction cup can rotate to the upper parts of one group of temperature control suction cup modules or the cell sheet transfer module separately in the rotation process of the mechanical rotating arm assembly; and a laser generator module is located at the upper parts of the other groups of temperature control suction cup modules. The full-automatic anti-light decay laser processing equipment has the advantages of being simple in structure and convenient to use; quick cooling after preheating and processing can be achieved in the processing process of the cell sheet; and the processing efficiency is relatively high.

The invention relates to the field of power transmission line on-line monitoring, in particular to a power transmission line monitoring system of a combined iron and steel enterprise. The system comprises an insulator corona discharge monitoring module arranged on a transmission line between two transformer substations and used for collecting corona traveling waves generated on the transmission line; an external damage prevention monitoring module which is arranged around the transmission line and used for collecting border crossing behavior information and / or invasion behavior images of the surrounding environment; a partial discharge monitoring module which is arranged at the grounding part of the cable joint and is used for acquiring a partial discharge pulse current signal of the cablejoint; and a main control module which is used for determining the position of a pollution flashover fault point based on the corona traveling wave, also used for sending an alarm signal to the position where the border-crossing behavior and / or the intrusion behavior occurs based on the border-crossing behavior information and / or the intrusion behavior image and used for determining the insulation degradation degree of the cable joint based on the local pulse current signal so as to effectively monitor various potential safety hazards on the power transmission line of the iron and steel enterprise.

The invention provides a scratch-resistant low-speed cracking PE fuel gas pipe and a preparation method thereof, and belongs to the technical field of conveying pipes. The scratch-resistant low-speedcracking PE fuel gas pipe comprises a main body structure layer and a protecting layer. The main body structure layer is a PE material, and the protecting layer is a crosslinking material. A thicknessof the main body structure layer is greater than a thickness of the protecting layer. The scratch-resistant low-speed cracking PE fuel gas pipe is capable of increasing properties of wear resistance,scratch resistance, low-speed cracking and the like of the PE fuel gas pipe, keeping all advantages of the original PE fuel gas pipe, prolonging the service life of the PE fuel gas pipe, and avoidinga safety accident.

The gas burning radiation roaster has casing with opened upper part, ceramic glass part for setting matter to be cooked, exhaust channel formed below the ceramic glass part, fuel gas canal and radiation burner to burn mixed gas for producing cooking radiation energy source. The heat separating structure is installed below the burner canal and ceramic glass to prevent high temperature gas form being heated. During the high temperature burning gas passes through the exhaust channel, the cover over the exhaust port is used to protect the ceramic glass part from becoming heat and ensure safety.

The invention provides an outdoor mobile AC distribution box device, which is characterized in that an insulator support on upper left end of an outer box body is fixed with a high-voltage insulator connected with a high-voltage overhead line, an operating mechanism arranged inside the outer box body is connected with a double-throw disconnecting switch, a control end of the operating mechanism islocated in a main control room, the switching of an upper disconnecting switch or a lower disconnecting switch in the double-throw disconnecting switch is controlled through the operating mechanism,a vacuum circuit breaker is provided with a locking operation device which forms a compulsory joint anti-locking mechanism with the operating mechanism and is used for controlling the on-off of the vacuum circuit breaker. The outdoor mobile AC emergency power distribution device solves the problems of poor integration and disorderly wiring of the existing power distribution equipment and the problem that the existing power distribution equipment are required to be dismantled and reconstructed and cannot be reused if the power distribution site is changed, eliminates the problem of cost and time resource waste caused by reconstructing the power distribution equipment, effectively avoids the equipment damage and unsafe accidents caused by improper operations through additionally arranging the compulsory joint anti-locking mechanism, and has the advantages of high safety, reliability, practicability and economy and high repeated utilization rate.

The invention relates to an automatic material seal for use in a processing process of cottonseed oil. The automatic material seal comprises a storage box, wherein the top of the storage box is connected with a feed flat scraper, and the bottom of the storage box is connected with a feed buried scraper; a high and low level controller is arranged in the box body of the storage box and comprises a high level probe and a low level probe; a connecting line of the high and low level controller in the storage box is connected with a frequency converter of a motor of the feed buried scraper; when the level of the storage box reaches the height of the low level probe, the feeding speed of the feed buried scraper is slowed down; when the level is at the height of the high level probe, the feeding speed is increased; when a fault occurs in a pretreatment workshop, feeding is automatically stopped. Compared with the prior art, the automatic material seal has the advantages that manual observation is not required any longer, the labor intensity of workers is reduced and unsafe incidents caused by human reasons are avoided.

The invention belongs to the technical field of machining manufacture, and particularly relates to an overturning machine which is applicable to products, sectional materials and plate materials in industrial automatic production lines. The overturning machine is improved on the basis of a current tiger jaw overturning machine, and a power transmission system is changed; the power transmission system of the overturning machine comprises a motor, a reducer, a gear and a gear ring; the output end of the motor is provided with the reducer; the gear is arranged on the output end of the reducer; the gear ring fixedly clings to a tiger jaw overturning rack along the direction from the tail end of the upper part of the tiger jaw overturning rack to the tail end of the lower part of the tiger jaw overturning rack; and the gear is meshed with the gear ring. The overturning machine is simple in structure and needs small driving force.

The invention provides an automobile speed limitation and maintenance reminding method and a vehicular speed limitation and maintenance reminding system, and relates to the field of automobile safety. According to the reminding method, real-time driving speed value of an automobile is detected, a preset driving speed value inputted by a user is acquired, the real-time driving speed value and the preset driving speed value are compared, different real-time driving speed values adopt different alarm modes to remind users to pay attention to decelerate and slowly drive, unsafe accidents caused by divided attention due to viewing an instrument panel in the driving process are avoided, accumulated mileage is acquired based on accumulated real-time driving speed value, the accumulated mileage and preset mileage are compared, the user is reminded when the automobile needs to be maintained, the preset driving speed value is inputted, road information cannot be acquired by GPS (global position system) signals, and the reminding method solves the problem that navigation software is opened, so that over-speed is reminded, and GPS signals are unstable. After the automobile stops, a system enters dormancy, a power supply of an input unit is turned off, the input unit cannot receive preset driving speed values inputted by users, and energy consumption is reduced.