50 results about "Fatal accident" patented technology

The present invention discloses a communication system and method for determining and recording the geographical location of an object attached with a short range wireless device, over a wide area, in a vicinity of a radio beacon that can be located by a remote control station, upon establishing or interrupting a wireless connection between said wireless device and said radio beacon. One embodiment of the invention relates to a system for search and rescue of a man overboard (person overboard), a quite frequent and fatal accident at sea.

The invention relates to a crawler type fire-fighting robot and an operating method therefor and belongs to the technical field of robots. The crawler type fire-fighting robot is composed of a bubble module, an electric device control box, a lighting device, a camera device, a hydraulic capstan device, a walking mechanism, an internal heat dissipating port, a self-cooling spraying system, a gas detection device and the like. The crawler type fire-fighting robot is controlled on a basis of a wireless remote control mode to control a fire scene through devices such as crawler type walking mechanism, the gas detection device, the lighting device and the camera device. The robot is suitable for remotely executing fire rescue work in flammable and combustible, toxic and harmful, radioactive severe environments and the like and has the characteristics of high-temperature resistance, impact resistance and the like, and occurrence of bodily injuries and fatal accidents of rescue personnel can be effectively reduced.

The invention is suitable for the implementation field of accident management in a nuclear power station and a method of settling a severe accident for an improved 1000MW class PWR nuclear power station is provided. The method comprises the following steps of: reading measured data of the nuclear power station in a severe accident condition and judging the severity degree of the accident according to the data; determining the execution sequence for the diagnosis tree of the accident condition in a severe accident management guidance and the logical sequence for the condition of accident diagnosis in the diagnosis tree of accident condition according to the severity degree of the accident; entering the corresponded diagnosis tree of the accident condition according to the severity degree of the accident and diagnosing the accident according to the condition of the accident diagnosis in the diagnosis tree of the accident condition and entering the corresponded accident management guidance. Through the judgment of the severity of the accident and according to the diagnosis tree of the accident condition, the invention diagnoses and settles the accident with symptom as the guide and with pertinence, thereby realizing efficient, quick and correct judgment and settlement of the accident when the accident happens.

The invention discloses a swimming pool drowning life-saving intelligent system. The swimming pool drowning life-saving intelligent system comprises an intelligent drowning monitoring alarm apparatus, an underwater sound signal receiving conversion device and a data processing device. When a swimmer is in a drowning condition, the intelligent drowning monitoring alarm apparatus automatically sends a sound wave signal, the underwater sound signal receiving conversion device receives the sound wave signal sent by the intelligent drowning monitoring alarm apparatus underwater, converts the sound wave signal in to an electric signal and transmits the electric signal to the data processing device through a wired or wireless communications technology; the data processing device processes the received signal so as to precisely locate the position of a drowning man in the water, and records and displays the underwater moving track of the drowning man. The swimming pool drowning life-saving intelligent system provided by the invention has the beneficial effects that the intellectualized and automatic drowning alarm and processing device is adopted, thus the defect of the existing drowning life-saving manner is overcome, the intellectualized and automatic alarm of a drowning accident is realized, the active prevention, prewarning and in-time detection of drowning life saving are realized, and the incidence rate of the drowning accident, especially, the drowning fatal accident, can be basically avoided.

The present invention discloses a communication system and method for determining and recording the geographical location of an object attached with a short range wireless device, over a wide area, in a vicinity of a radio beacon that can be located by a remote control station, upon establishing or interrupting a wireless connection between said wireless device and said radio beacon. One embodiment of the invention relates to a system for search and rescue of a man overboard (person overboard), a quite frequent and fatal accident at sea.

The invention provides a toxic gas leakage accident crowd evacuation behavior dynamic prediction simulation device and a working method thereof and belongs to the environmental safety field. Accordingto the device and working method thereof of the invention, qualitative and quantitative relationships between factors, such as toxic gas leakage accident scenarios, diffusion conditions, and individual characteristics of people, and line selection of the people, are determined on the basis of the crowd evacuation dynamics and cellular automata theory, and cellular local movement rules are established; a dynamic expression of evacuation speed that changes with the amount of inhaled toxic gas is established according to critical states and critical conditions for a toxic substance harm model todetect out people poisoning and fatal accidents; a cellular automata theory-based people dynamic evacuation model is established; and the model is used to form a device which simulates the safety evacuation of people in a toxic gas leakage accident in a visualized manner, so that functions such as simultaneous simulation and simultaneous display of toxic gas diffusion and the evacuation behaviorof the people are completed, and therefore, persons responsible for evacuation can be better assisted to make decisions, or the public can be better assisted to master correct escape skills in the case of toxic gas leakage accidents.

The invention relates to an electronic alarming guard bar for isolating the electrified regions such as power plants, power stations and other places, the construction fields and other dangerous regions, comprising two or above bars provided with a photoelectric beam detector, which comprises a photoelectric beam transmitter and a photoelectric beam receiver, in pairs arranged on different bars and connected with an alarm device each. It is convenient to install and simple to operate and able to reduce fatal accidents.

In one example, we describe a method and system for Tunnel Air Ventilation, which is very practical, economical, and easy to install or implement. The repair and maintenance is safer and less expensive. The overall cost of installation and repair is lower. The system is more stable, and thus, safer for the vehicles and people. It is not damaged by sand, and it does not cause damage to vehicles by sand. So, the risk is minimized. The overall value for the government and society is very high. The efficiency and low down time translates to a cleaner air in the tunnel, which is a major health issue for people, which causes sickness and even death for pollution and toxicity, or by fatal accidents in the tunnel, due to intoxication of the drivers or dizziness. Different variations are also discussed and shown.

The invention provides a traffic safety evaluation system and an evaluation index calculation method thereof. The traffic safety evaluation system comprises 1, a traffic accident analysis module, 2, atraffic violation analysis module and 3, a traffic negative order analysis module, wherein the traffic accident analysis module calculates the number of per-capita traffic accidents and the proportion of fatal accidents through data recorded by the system; the traffic violation analysis module calculates the number of per-capita traffic violation and the proportion of important illegal events through the data recorded by the system; and the traffic negative order analysis module calculates the number of per-capita negative order events and the proportion of serious negative order events through the data recorded by the system. According to the traffic safety evaluation system, by taking the traffic accidents, traffic violation and traffic negative order events as observation objects, direct safety indicators such as happened accidents and violation are included, indirect safety indicators such as the negative order events are also included, comprehensive traffic safety evaluation is conducted by combing the multiple indicators of the three objects, the accuracy, rationality and comprehensiveness of traffic safety evaluation are improved, the defect that traffic safety is evaluatedfrom the single angle is overcome, and safety evaluation from the dimension of traffic hazards is complemented.

The invention discloses a car lifting device in car production conveying equipment. The conveying equipment comprises a lifting appliance and a locking device for locking the lifting appliance. A car is provided with a location hole, and the lifting appliance is provided with a locating pin and a lift claw for location. The car lifting device is provided with a frame trolley (1), and the frame trolley (1) is provided with a bracket (4) which is in a frame shape for propping a car body. The bracket (4) is installed on the frame trolley (1) by four double-acting cylinders (2). By adopting the technical scheme, equipment accidents, fatal accidents and equipment shutdown caused by inaccurate locating of the car body in a production line are greatly avoided. The car lifting device is applied, and therefore the production efficiency and the product quality are increased. The device has safety, reliability, practicality and creativity.

The invention discloses a head belt unfolding device with belt sway switches. The head belt unfolding device with the belt sway switches comprises vertical rods, a transverse door beam, a belt unfolding roller base, belt unfolding rollers, a belt sway switch installation plate, the belt sway switches and a stop roller. Each end of the door beam is connected with the upper end of the corresponding vertical rod. The height of the door beam can be adjusted in the mode that the door beam is moved vertically at the connection positions. The upper end of the belt unfolding roller base is connected with the door beam. The belt unfolding roller base can be transversely moved at the connection position, so that the left position and the right position of the belt unfolding roller base can be adjusted. The belt unfolding rollers are located at the lower end of the belt unfolding roller base. The upper end of the belt sway switch installation plate is connected with the door beam. The belt sway switch installation plate can be transversely moved at the connection position so that the left position and the right position of the belt sway switch installation plate can be adjusted. The stop roller is connected with the lower end of the belt sway switch installation plate. The stop roller can be transversely moved at the connection position so that the left position and the right position of the stop roller can be adjusted. The belt sway switches are arranged on the stop roller. The stop roller can rotate with the belt sway switches as the center. By the adoption of the head belt unfolding device with the belt sway switches, a tubular conveyer belt can be forcibly unfolded, the belt sway switches are triggered to send out an alarming signal and a stop signal according to the deflection quantity, and fatal accidents are avoided.

Light-sound warning system of ail participants in road traffic solves the problem of safe and reliable signaling of a pedestrian on road, in a way that a driver who saw a pedestrian on the road activates the switch which transmits the information to other vehicles via radio signals, and signals to pedestrians with light and audio signals that there is a vehicle approaching. This system protects both the pedestrian, as well as the driver who first spotted the pedestrian because the vehicle driving behind the vehicle that first saw the pedestrian often does not observe the situation on time causing the collision with both the vehicle and the pedestrian. The value of this system is that the pedestrian is protected from incoming vehicles, the damage insurance claims to insurance companies are decreased, and the safety of drivers in traffic is increased because it reduces the possibility of fatal accidents. In addition, the auto industry gets more jobs and increased employment. The system is realized by connecting the following elements installed inside the vehicle: the central unit (2), the receiving- transmitting unit (4), the switch (6), the interior light signals (10), external audio signals (12) and the internal sound signals (14); while the exterior light system is (8) is installed on the outer periphery of the vehicle.

The invention discloses an anti-misoperation locking system and method for a power plant. When a device line is overhauled or a high-pressure-side earthing switch of a boosting transformer is needed to be closed in other circumstances, a first disconnecting switch is firstly switched off, a first key is taken out from a first control lock on the first disconnecting switch and then is inserted into a first exchange lock, a second key is taken out from a second exchange lock and finally is inserted into a second control lock on the earthing switch, and the earthing switch is closed. After the operation is completed, the earthing switch is switched off again, the second key is taken out from the second control lock and put back to a key exchange box, the first key is taken out from the first exchange lock and inserted into the first control lock again, and then the first disconnecting switch can be operated. By the adoption of the anti-misoperation locking system and the method for the power plant, electrical misoperation caused by inaccurate computer monitoring signals and man-made errors are completely eradicated, device damage and personal injury and fatal accidents are avoided, and the operating safety of the power plant is ensured.

A medicinal fluid injector having branch lines to inject a ringer solution together with a treatment solution is provided. If the vein of the patient is clogged, the treatment solution is not injected into the patient, but flows back into the ringer solution, which is injected into the patient through a free fall scheme. If the vein is open, the medicinal fluid is excessively injected at a time, causing fatal accident to the patient. To solve this problem, a check valve is installed in an injection tube to prevent the medicinal fluid or the blood from flowing back into the ringer solution even if pressure difference occurs in the medicinal fluid injector. If the medicinal fluid stagnates, an alarm is generated to notify medical staffs of the emergency, so that medicinal fluid injector is safely used.

The invention relates to an environment-friendly type wind-driven generator facilitating climbing and preventing falling. The environment-friendly type wind-driven generator comprises a protection mechanism, a braking plate, a driving unit and a plurality of climbing units. The climbing units each comprise an inserting rod, a fixing ring, an inclined rod and two climbing assemblies. Each climbing assembly comprises a supporting sleeve, a supporting rod and a hinge unit. The protection mechanism comprises a vertically-arranged sliding rod, a sliding ring, a safety belt, two transverse rods and a plurality of protection units. Each protection unit comprises a notch, a fixed shaft, a third sleeve ring and a protection rod. According to the environment-friendly type wind-driven generator facilitating climbing and preventing falling, the situation that people without fixed duties climb on a tower frame to result in safety accidents is prevented while climbing of workers is facilitated through the climbing units; in the climbing process, the protection units are utilized to prevent falling accidents, so that the safety coefficient of equipment is increased, besides, a hub and a vane stop rotating through the driving unit, the situation that birds bypass the vane when flying and passing through the equipment is facilitated, the bird fatal accident is avoided, and the environment-friendly type wind-driven generator is beneficial for harmonious development of the ecological environment.

Automatic placement of safety cones from a moving vehicle is provided. The preferred safety cone would have a flexible cone part. A receptacle holds a plurality of safety cones either with the flexible cone part in non-compressed position or in spring-loaded position. The receptacle is removably attached to the vehicle. A releasing means that is attached to the receptacle is controlled and advances the safety cones in an automatic and controlled fashion, one-by-one, to different locations on a ground surface from a moving vehicle. The advantage is that it automatically handles the placement of a plurality of safety cones while driving. There would be no more need for a person to manually place the safety cones. It provides for increased road safety since it decreases or even eliminates the number of fatal or non-fatal accidents as well as chronic injuries of road-workers that are involved in placing safety cones.

The invention relates to a safe power supply monitoring system of building construction machinery. The safe power supply monitoring system comprises a general distribution box detection device, branch distribution box detection devices and switch box detection devices, simultaneously has a wireless data remote transmission function, transmits acquired results to an outer computer in a wireless mode and monitors the potential safety hazards of three-level distribution boxes in real time by virtue of special software. By utilizing the safe power supply monitoring system, equipment and fatal accidents are reduced, and the safe operation efficiency is obviously improved.

The invention discloses an induction power supply electric transmission line anti-external damage monitoring and warning system. The system comprises an anti-external damage monitoring and warning device, a GPRS module, a front-end computer, and a data server; the anti-external force damage monitoring and warning device is installed on the electric transmission line and is connected with the GPRS module; the GPRS module is connected with the front-end computer; the front-end computer is connected with the data server. By means of the induction power supply electric transmission line anti-external damage monitoring and warning system, real-time monitoring and warning for overhead lines can be realized to effectively control the operation state of overhead line crossing tower segments. The system plays a significant role in preventing external force damage, reducing accident rate, and increasing safe operation capability comprising fatal accidents; the system is of great importance for electric power safe production and economic benefit.

The invention relates to a coal bunker capable of preventing chute blockage and coal agglomeration. The technical problem to be solved by the invention is to provide a coal bunker capable of preventing chute blockage and coal agglomeration. The coal bunker capable of preventing chute blockage and coal agglomeration can alleviate the labor intensity of workers and risk during clearance as well as avoid fatal accident of burning a coal feeder. In order to solve the technical problem, the technical scheme provided by the invention is that the coal bunker capable of preventing chute blockage and coal agglomeration comprises a coal bunker, a loosen machine, and a hydraulic stop valve. The coal bunker is cone-shaped. The loosen machine is arranged in a cone part at the lower part of the coal bunker. The hydraulic stop valve is arranged at a coal outlet of the coal bunker. The lower part of the hydraulic stop valve is connected with the coal feeder through an inlet short piece. The hydraulic stop valve is connected with a controller. According to the coal bunker capable of preventing chute blockage and coal agglomeration provided by the invention, the coal feeding quality is greatly improved, and phenomena of smoke fleeing, rise of outlet temperature and manual clearance can be avoided; chute blockage and coal agglomeration are eliminated; the fatal accident of burning the coal feeder is thoroughly eliminated, the cost is saved, and the benefit and safety are improved.

The invention discloses an anti-climbing electric pole which comprises an electric pole body. A mounting frame is arranged on the electric pole body. A plurality of supporting plates are evenly distributed on the mounting frame from top to bottom. Connecting rods are arranged on the two sides of the mounting frame and are in pivot joint with the mounting frame. A plurality of draw bars are evenly distributed between the two connecting rods from top to bottom. A steel fork is arranged at the bottom end of each draw bar. A lantern ring is arranged at the upper end of the electric pole body. A fixing rod is arranged at the lower end of the electric pole body. A stay cord is arranged at the upper end of one connecting rod and penetrates through the lantern ring. One end of the stay cord is connected with the fixing rod. According to the anti-climbing electric pole, in a normal state, the connecting rods can be pulled upwards through the stay cord, the stay cord is fixed to the fixing rod, and the effect that the draw bars are pulled to be folded upwards and the steel forks are ejected outwards at the same time can be achieved so that passersby can be effectively prevented from climbing the electric pole through the steel forks, and electric shock fatal accidents are effectively avoided accordingly.

The invention provides an inspection well capable of achieving safe protection and fast water seepage. The inspection well comprises an inspection well cover and a shaft of a cylindrical structure, two gates are arranged on the wall of the shaft, water drainage holes are formed in the gates, water drainage fences are arranged in the water drainage holes, steps are arranged on the wall of the shaft, and water seepage holes are formed in the inspection well cover. The inspection well is suitable for being used in an urban down drain pipe network and being capable of preventing people from being washed away by water when people fall into the inspection well, and reducing fatal accidents.

The invention belongs to the road safety field and relates to a Bayesian network-based multi-data fusion algorithm. The algorithm involves linearity, traffic volume, climate environment, historical accidents, roadside features, roadside traffic accident occurrence probability, and monitoring opinions, wherein the linearity includes an average curve and a longitudinal gradient, the traffic volume includes daily average traffic volume and the proportion of trucks, the climatic environment includes the frequencies of rain, snow and fog climate and the frequencies of other natural disasters, the historical accidents include wounding accidents, fatal accidents and property loss accidents, the roadside features include roadside depth, discrete hazardous materials, continuous hazardous materialsand clear zone conditions, and the monitoring opinions are variables. According to the algorithm of the present invention, the Bayesian network, serving as a reliability analysis means, processes complex logic relationships, and therefore, multi-state variables and related lines between the variables can be processed conveniently, and uncertainty relationships between the variables can be well expressed. The algorithm can have high real-time performance and is scientific and reasonable.

The invention provides an elevator steel wire rope overhauling device and an overhauling method of the elevator steel wire rope overhauling device, which aim at overcoming the problems of more working hours, a great amount of labour consumption, low safety factor and accordingly-caused industrial injuries or fatal accidents in the elevator steel wire rope overhauling device and the overhaul method of the elevator steel wire rope overhauling device in the prior art. According to the elevator steel wire rope overhauling device and the overhauling method of the elevator steel wire rope overhauling device in the invention, all overhauling operations can be realized by only one person within two hours, the safety factor is high, multiple active safety protection measures are provided, and the anthropic safety risk is reduced.

The invention discloses a swimming pool drowning life-saving intelligent system. The swimming pool drowning life-saving intelligent system comprises an intelligent drowning monitoring alarm apparatus, an underwater sound signal receiving conversion device and a data processing device. When a swimmer is in a drowning condition, the intelligent drowning monitoring alarm apparatus automatically sends a sound wave signal, the underwater sound signal receiving conversion device receives the sound wave signal sent by the intelligent drowning monitoring alarm apparatus underwater, converts the sound wave signal in to an electric signal and transmits the electric signal to the data processing device through a wired or wireless communications technology; the data processing device processes the received signal so as to precisely locate the position of a drowning man in the water, and records and displays the underwater moving track of the drowning man. The swimming pool drowning life-saving intelligent system provided by the invention has the beneficial effects that the intellectualized and automatic drowning alarm and processing device is adopted, thus the defect of the existing drowning life-saving manner is overcome, the intellectualized and automatic alarm of a drowning accident is realized, the active prevention, prewarning and in-time detection of drowning life saving are realized, and the incidence rate of the drowning accident, especially, the drowning fatal accident, can be basically avoided.

This invention discloses a automatic control device of dispersal door, it contains electromagnetic lock used for installing in the dispersal door, and electromagnetic lock-switch testing circuit, the output of electromagnetic lock-switch testing circuit and SCM are anastomosis, SCM fits together with incoming end of master controller through communication interface; fire alarm signal links to incoming end of master controller by manual or automatic control circuit; power circuit links to electromagnetic lock by manual or automatic control circuit; yet display circuit links to master controller. It could realize automatic control the electromagnetic lock of dispersal door. When there is not emergency, it makes the electromagnetic lock in blocking state, so as to satisfy the public security demand of public security departments; when there is emergency, it could automatically unlock according to alarm signal, ensure the in time escape of personnel, accord with prescription of fire agent, which safeguard against fatal accident of not open dispersal door when staves taken charge of unlocking failure to arrive the scene, and avoid loss of burnout spreading out.

An emergency treatment device for elevator dropping is used in a daily elevator [1]. A speed-measuring positioning module [2] and an intelligent control module [3] are arranged in an elevator, electromagnets [5] are arranged at the bottom of the elevator and in an elevator shaft [4], the speed-measuring positioning module [2] is used for measuring current descending speed and height of the elevator, the electromagnets [5] are controlled by the speed-measuring positioning module [2] to start and can generate strong electromagnetic N poles and S poles to generate mutual exclusion effect so as to hold up the elevator which is dropping at high speed, and magnetic pole strength of the electromagnets [4] are adjustable; the intelligent control module [3] calculates optimal magnetic pole strength according to the descending speed and height to control corresponding current, a changing law of the magnetic pole strength should be from low to high, and a high-strength isolation plate should be arranged at the bottom of an elevator car to withstand electromagnetic pulse; an alarming module is arranged to give out corresponding LEDs or sounds for alarming, so that providing of emergency treatment and saving of life can be realized when the elevator stalls and drops, and degree of injury and fatal accidents can be lowered.

The invention discloses an amphibian tank gun automatic drainage device, belonging to the technical field of guns; the automatic drainage device is used for draining the water entering in a gun barrel, wherein the water is from the splash caused by the bombing of a shell launched by enemy in the water adjacent to the tank or caused by the storm when an amphibian tank gun is in float-crossing sailing. In the invention, fatal accident caused by a condition that the gun cannot shoot since the water is taken in the gun barrel or a condition that the bore premature is caused by the rushed shooting since the water is taken in the gun barrel is overcome, the risk of the amphibian tank gun when shooting on the water is reduced, and the safety and battle effectiveness of the amphibian tank are improved; the device is provided with a drainage channel for communicating the internal and the external of the gun barrel; the drainage channel is opened to drain the water in the gun barrel at normal time, and is automatically closed by using gun pressure when the gun shoots so as to prevent high-temperature high-pressure gas from leaking to guarantee the performance of the gun.

An automobile bumping safety protector relates to a special device controlling the release of the automobile bumping energy, having the special function to ensure the vehicle body not damaged when the automobiles are positively bumped. The externality of the invention is similar to a damping cylinder. The invention consists of a cylindrical structure impacting rod and a bearing pad, a metal safety piece, a brake screw, an elastic clamp ring and so on matched with the impacting rod in a metal cylinder with enough rigidity. The working principle of the invention is that the impacting force produced by the huge energy when the automobile is bumped is restricted within a safe range by the anti-impacting capability of the metal piece and is gradually consumed in the process continuously punching and cutting the metal piece, thus reaching the protection of the vehicle safety. The vehicle body is not damaged during the bumping process, thus eliminating the fatal accident caused by the squeezing of the driver as the deformation of the vehicle body, and indirectly protecting the safety of the driver.

The invention discloses a movable chair blocking device for preventing fast fall in an ascending mine cableway, which comprises a hanger frame; a fixed shaft is installed on a movable plate; the movable plate is installed on the hanger frame through U-shaped bolts; the fixed shaft is provided with a shaft sleeve which can be fixed by nuts; and the shaft sleeve is provided with a baffle. The invention has the following beneficial effects: the baffle can be rotated only in a running direction of a steel wire rope without influencing the passing of a rope clip, so that the baffle can prevent the rope clip from sliding downwards and avoid the occurrence of injured and fatal accidents of passengers when the power failure of the mine cableway occurs in the running course, the situation of fast falling occurs in the ascending mine cableway and an ascending hanging chair rapidly slides downwards under the action of gravity.

The invention discloses a device and method for detecting the concentration of acetylene gas by using photo-induced ultrasonic method. Detectors, temperature sensors, pressure sensors, lock-in amplifiers, data acquisition cards, computers. Based on the above device, the non-contact measurement of the acetylene gas concentration can be realized quickly, accurately, with high sensitivity and high resolution, and the occurrence of fatal accidents caused by acetylene gas poisoning can be effectively avoided. Using temperature and pressure to correct the monitoring value of the concentration can effectively reduce the influence of environmental factors on gas detection and greatly improve the measurement accuracy of the system. The use of ultrasonic imaging to detect gas concentration can reduce the interference of other gas components and environmental noise, and the detection speed is faster and the sensitivity is higher.