64results about How to "Reduce the difficulty of rescue" patented technology

The invention relates to an emergency traction system applied to urban mass transit. The system comprises a power supply network, an auxiliary system of an urban mass vehicle, a main traction invertor, a traction motor, a power conversion device, an energy storage component and a master controller; the output end of the power supply network is connected with the power conversion device, the main traction invertor and the auxiliary system of the urban mass vehicle respectively; one end of the energy storage component is connected with the high-voltage side of the power supply network, and one end of the energy storage component is connected with the power supply network; the high-voltage side of the power conversion device is connected with the main traction invertor and the auxiliary system of the urban mass vehicle, and the low-voltage side of the power conversion device is connected with the energy storage component; and the traction motor is connected with the output end of the main traction invertor, and drives a train to run; and the power supply network, the auxiliary system of the urban mass vehicle, the main traction invertor, the traction motor, the power conversion device and the energy storage component are connected with the master controller through a communication bus. The system is suitable for high voltage grades, has a smaller volume and long service life, is high in reliability, and wide in an application range, and can be controlled flexibly, the traction load and distance are larger; and time of return on investment is short.

The invention relates to a vehicle-mounted hybrid energy storage device applied to urban rail transit. The vehicle-mounted hybrid energy storage device is connected with a power supply grid and is further connected with a train chief traction system and a train auxiliary system. The vehicle-mounted hybrid energy storage device comprises multiple sets of high-voltage half-bridge direct-current/direct-current converters, multiple sets of low-voltage half-bridge direct-current/direct-current converters, multiple sets of super capacitors for high-power discharge, multiple switching tubes for controlling pre-charge and terminal voltage, a storage battery pack which is formed by multiple storage batteries in serial-parallel connection and used for long-time discharge, and multiple sets of filter circuits for filtration. Compared with the prior art, the vehicle-mounted hybrid energy storage device disclosed by the invention can carry out self-traction by using the reserved power of the hybrid energy storage device when the power supply grid of vehicles is in an outage fault, so as to move the vehicles to a safe district to avoid a disaster. The vehicle-mounted hybrid energy storage device not only is small in size and light in weight, but also has the advantages of saving energy, reducing consumption, reducing energy consumption of the urban rail transit, improving economic benefits and the like.

The invention discloses an anti-sinking system of a ship. The anti-sinking system comprises a detection subsystem, a central control subsystem and an anti-sinking executive subsystem, wherein the detection subsystem consists of a gravity center deflecting angle detection device for the ship and an immersion depth detection device for the ship; the central control subsystem consists of a manual control part and an automatic control part which are parallel, and is used for processing detection information and performing executive operation on the anti-sinking executive subsystem; the anti-sinking executive subsystem consists of a pressure storing container group, an air pump group, air pipelines, air sac cabins and air bags, wherein the pressure storing container group consists of a plurality of pressure storing containers which are connected in parallel, compressed air with certain pressure is invariably maintained in the pressure storing containers, one ends of the pressure storing containers are connected with the air pump group through the air pipelines, and the other ends of the pressure storing containers are connected with the air bags in the air sac cabins. According to the anti-sinking system disclosed by the invention, the air bags are arranged so as to prevent the overturn and the sinking of the ship, the sinking speed of the ship is lowered, time of safe evacuation for people and property is bought, and the salvage difficulty is reduced.

The invention discloses a rocket type line-throwing life-saving device. The rocket type line-throwing life-saving device comprises a throwing barrel, wherein the throwing barrel is arranged on a bracket; a bottom sealing head is arranged at the lower part of the throwing barrel; one end of the bottom sealing head is connected with a chassis, and the other end of the bottom sealing head is provided with threads and is connected with a pressure chamber by the threads; the pressure chamber is connected with the throwing barrel by the threads; a flight body is arranged in the throwing barrel; the bottom sealing head is provided with a through hole; a flue gas chamber component is inserted into the hole and is screwed by a front nut and a rear nut; the throwing barrel is also provided with a line head fixing point. The rocket type line-throwing life-saving device disclosed by the invention has the advantages that since the high pressure generated by explosion of a propelling agent is adopted, the flight distance of the flight body is increased, and the rescue distance is increased from less than 100M to 3-4KM; the rescue difficulty is lowered and the rescue efficiency is improved; the throwing angle can be adjusted by an arranged angle disc; the throwing distance can be accurately measured by a laser distance measuring instrument.

The invention relates to a vehicle accident early-warning method, vehicle accident early-warning equipment, and a vehicle, which can timely transmit early-warning information to surrounding vehicles and/or a traffic service platform when the vehicle is in an accident and when an accident has already occurred, so as to remind the surrounding vehicles to change routes, thereby reducing the difficulty of rescue, shortening rescue time and improving rescue efficiency. The vehicle accident early-warning method comprises the steps of: acquiring acceleration of the vehicle and detecting a turning-onstate of a vehicle accident prevention device; generating the early-warning information when the acceleration is greater than a predetermined acceleration value and/or the vehicle accident preventiondevice is turned on; and transmitting the early-warning information to the surrounding vehicles and/or the traffic service platform.

The invention discloses a life-saving casting device, comprising an ejector seat, a gun handle, a shouldering, a sleeve, a nozzle, a gun body joint, an ejection air bottle, a life-saving cylinder, and a life-saving rope. The life-saving rope is disposed in the lower cavity of the textile backpack. A fastening piece accommodating the ejector seat, the gun handle and the sleeve is provided in the upper portion of the textile backpack. A detachable shouldering connecting seat is disposed between the tail end of the ejector seat and the shouldering, which is in U-shape, having one end rotatably connected to a pin shaft disposed in the concave slot of the shouldering connecting seat. The axis of the pin roll is perpendicular to the central line, and positioning piece of the fixed shouldering is disposed on the shouldering connecting seat. By adopting such a manner, the life saving casting device is compact in size, light in weight, as a result carrying by rescue worker to an appropriate location in emergency field for ejection is facilitated, which is beneficial to holding best life-saving opportunity by the rescue worker, and difficulty of rescuing the trapped is lowered.

The invention relates to the technical field of coal mine emergency rescue, in particular to an underground coal mine tunnel type emergency rescue channel system. The underground coal mine tunnel type emergency rescue channel system comprises an emergency rescue channel, a pressure fan, an air supply barrel tape and a control chamber. The emergency rescue channel is arranged on one side of a roadway in the extending direction of an underground coal mine tunnel. The control chamber is arranged on the earth's surface, and a controller is arranged in the control chamber. A compressed air port is further formed in the upper portion of the side wall of the emergency rescue channel. One end of the air supply barrel tape is used for being communicated with the pressure fan in the control chamber, the other end of the air supply barrel tape is communicated with the compressed air port, and the pressure fan is electrically connected with the controller. When gas and coal outburst, gas explosion, fire disaster, water permeating, collapse and other dangerous cases occur in the tunnel, the pressure fan delivers ground air into the tunnel through the air supply barrel tape. Accordingly, the dangerous cases in the tunnel is relieved, the rescue difficulty of rescuers is reduced, and further the rescuers can conveniently enter the tunnel to search and rescue underground trapped persons in the roadway.

The invention relates to an automatic water rescue bracelet, and belongs to the field of electronic apparatus. A heart rate monitoring device measures pulse by photoelectric plethysmography, and obtains accurate pulse data; then a photoelectric sensor converts a measured signal into an optical signal, and then the optical signal is converted into an electrical signal by means of a photoelectric element; a comparator compares a mean value of the pulse data with a proposed standard value, and determines whether the pulse data are within a safe range or not; then a water conductive device switchis used for judging whether a person falls into water, thereby forming a second judgment basis; and then, an A/D (analog-digital) converter converts an analog signal into a digital signal, and transmits the digital signal to an MCU (microprogrammed control unit) for processing, the MCU processes the digital signal transmitted from the A/D converter, and if measured pulse frequency is within a dangerous frequency range, the MCU generates a control signal to start an alarm device to realize the alarm, and triggers a switch to start a gas-flushing device to inflate the bracelet, so that a drowning person can float on the water surface.

The invention discloses a light guidance fire hazard evacuation system and a light guidance fire hazard evacuation control method. The light guidance fire hazard evacuation system comprises a plurality of fire hazard sensing units, a fire hazard control host and a plurality of evacuation indication units and also comprises a plurality of cameras, wherein the fire hazard sensing units, the evacuation indication units and the cameras are independently wirelessly communicated with the fire hazard control host; the fire hazard control host receives and stores data sent from the fire hazard sensingunits or the cameras, judges whether a fire hazard happens or not and determines the position of a fire hazard site; and a Flyod algorithm is adopted to calculate an optimal path from a fire hazard area to each emergency exit, and the evacuation indication units are controlled for indication. By use of the Flyod algorithm, the optimal evacuation path is calculated, people can be evacuated from different emergency exits, so that evacuation time can be effectively shortened, and congestion accidents are avoided. A laser light and a bidirectional LED (Light Emitting Diode) indication light source are adopted to jointly serve as an evacuation indication sign, an indication effect is improved, so that people can quickly evacuate when smoke is thick, and therefore, evacuation efficiency when the fire hazard happens can be greatly improved.

The invention discloses downhole life-saving equipment. The downhole life-saving equipment comprises a ground hoisting crane and an underground life preserver which is connected with the ground hoisting crane. The underground life preserver comprises a clamp-type stretching control X frame, a hanging bracket, a bottomed self-control device, a bottomless telescopic barrel and a bottomed clamp device. The clamp-type stretching control X frame is formed by hinging two mechanical arms in a crossed mode. The top of the hanging bracket is hinged to the upper portion of the clamp-type stretching control X frame through a connecting rod. The lower portion of the hanging bracket is hinged to the crossed position of the two mechanical arms. The bottomed self-control device is located below the clamp-type stretching control X frame and is further hinged to the lower ends of the two mechanical arms. The lower ends of the two mechanical arms are further fixedly connected with the bottomless telescopic barrel. The upper portion of the bottomless telescopic barrel is connected with the bottomed self-control device, and the bottom of the bottomless telescopic barrel is fixedly connected with the top of the bottomed clamp device. The life-saving equipment is wide in life-saving range, efficiency can be improved and cost can be reduced; the life-saving difficulties are lowered, and the burdens of firemen are relieved; original manual operation is changed into automation at one step, rescue can be conducted immediately when the equipment comes, the rescue does not have to depend on fire brigades, and local people can carry out rescue in time.

The invention discloses rescue equipment for elevator emergency escape. The rescue equipment comprises an elevator car main body, a driving mechanism, a climbing ladder frame and a fixed buffer mechanism; an escape exit is formed in the elevator car main body, a telescopic groove and a clamping groove are formed in the side wall of the escape exit, and a baffle plate is arranged in the telescopic groove; the driving mechanism is arranged at the top of the elevator car main body and comprises a motor, a transmission shaft is connected to the motor, and a driving gear is installed on the transmission shaft; the climbing ladder frame comprises a pair of first ladder rods, a pair of second ladder rods, a pair of third ladder rods and a pair of fourth ladder rods; and the fixed buffer mechanism is arranged on one side of the climbing ladder frame. By arranging corresponding mechanisms of existing elevator rescue equipment, trapped persons in an elevator can quickly climb out of the elevator through the device, the rescue difficulty is reduced, the rescue time is shortened, the trapped persons can be rescued in time, secondary accidents are avoided, and therefore the personal safety of passengers is guaranteed.

The invention relates to an offshore booster station and particularly relates to a fire-fighting escape ladder for the offshore booster station, an offshore booster station platform and an offshore booster station system. The fire-fighting escape ladder comprises a rotating shaft and an escape ladder body, wherein the rotating shaft provides a rotating axis for rotation of the escape ladder; one end of the escape ladder body is hinged with the booster station by the rotating shaft; an included angle theta is formed between the axis direction of the rotating shaft and a plane where the boosterstation platform is positioned; theta is greater than 0 degree and smaller than 90 degrees; and a rotating plane of the escape ladder body around the rotating shaft is below the plane where the booster station platform is positioned. The escape ladder provided by the invention is simple in structure, does not need to be driven to work, can be descended towards the sea surface when rotating, and ensures safety of the afflicted.

A rescue device for treating leakage of dangerous chemical includes g a first container having a closed negative pressure chamber and an intake which allows outside dangerous chemicals to enter the first container, and a second container installed and fixed in the first container. The second container contains a substantially harmless liquefied gas and has an opening which controllably communicates with the external environment. When the dangerous chemicals are leaking, the rescue device can be used to reduce the loss of dangerous chemical, alleviate the harm to the environment and human, and avoid the possible disastrous consequences.

The invention provides a rescue system and method. The rescue system comprises multiple information obtaining parts, a positioning part, an information transmitting part, a server and a rescue part; the information obtaining parts are in communication with the positioning part through Bluetooth; communication is achieved between the information obtaining parts and the information transmitting part, between the positioning part and the information transmitting part and between the information transmitting part and the server through a wireless network. According to the rescue system and method,the information transmitting part is utilized for sending vital sign information, surrounding environment information and rescue signals of to-be-rescued personnel to the server in a complicated indoor environment through wireless network communication, so that the vital sign information and position information of the to-be-rescued personnel are precisely obtained, and thus the rescue difficultyin the indoor environment is lowered.

The invention discloses a mechanical power U-shaped life buoy. The mechanical power U-shaped life buoy comprises a U-shaped life buoy body and mechanical power pushing devices used for pushing the U-shaped life buoy body to move; the mechanical power pushing devices are arranged in the rear ends of leg parts on the two sides of the U-shaped life buoy body; and the mechanical power pushing devicesare accelerating water jet ejectors. According to the mechanical power U-shaped life buoy, by arranging the mechanical power pushing devices on the U-shaped life buoy body, lifeguards can be helped tomove in a rapid water flow in an accelerated manner so that a precious time can be saved for rescue; the mechanical power pushing devices can assist rescue to reduce a danger caused by limited physical power of a rescuer; the mechanical power pushing devices can control the life buoy to move to drowning men through a remote control signal receiver so that the rescue difficulty is reduced, and therescue success rate is also increased.

The invention provides a fire-fighting fire emergency rescue device based on cloud computing and a use method of the fire-fighting fire emergency rescue device, and relates to the field of fire rescue. The fire-fighting fire emergency rescue device based on cloud computing comprises an unmanned aerial vehicle body, supporting foot stools are fixedly connected to the two sides of the bottom of the unmanned aerial vehicle body, a mechanical arm is arranged at one end of the bottom of the unmanned aerial vehicle body, a spray head is fixedly connected to the bottom end of each mounting rod, and a submersible pump is fixedly connected to the inner bottom of a water tank. A water diversion connector is fixedly connected to the output end of the submersible pump, and a Beidou positioning module is arranged on one side of the top of the unmanned aerial vehicle body. An intelligent terminal remotely controls the unmanned aerial vehicle body to go to the interior of a fire, the submersible pump can drive water in the water tank to be sprayed out through the spray heads, the thermal imager can transmit on-site pictures to the intelligent terminal, cooling, fire extinguishing, rapid positioning and navigation can be conducted, the fire site environment can be detected in time, and the fire fighting and fire rescue efficiency can be improved.

The invention provides an underground personnel tracking algorithm based on computer vision, and the algorithm can quickly complete the detection of underground personnel in case of a mine disaster through the video image processing by using the computer vision technology, thereby facilitating the rescue. The algorithm is high in real-time performance, good in robustness, high in precision and lowin cost. The algorithm can effectively overcome the display difficulties of low illumination, uneven illumination, flashlight illumination interference, high similarity of targets and backgrounds andthe like under a mine, effectively detects and tracks personnel under the mine, can provide accurate personnel position information after an accident happens, actively and quickly carries out rescue.In addition, the personnel distribution situation can be mastered in real time in ordinary production, the work is arranged and dispatched, and the management level of coal production is improved.

The invention relates to the technical field of robots and discloses an emergency rescue underwater robot. The robot comprises a trunk; a head is arranged at the upper end of the trunk; stand columnsare arranged at the bottom end of the trunk; a base is arranged at the lower ends of the stand columns; a connecting seat is arranged at the top end of the head; a first containing box is arranged onthe front surface wall of the trunk; a partition plate is arranged in the trunk; and an oxygen cavity is formed in the position, located in the trunk, of the upper end of the partition plate. According to the emergency rescue underwater robot, a placing plate, an air cylinder, an electric telescopic rod, a first connecting plate and a cutting knife are additionally arranged, so that aquatic plantswound around the legs of a person in distress can be quickly cut, the limitation of a rescued person in water can be effectively reduced, the problem of inconvenience in rescue due to the fact that an existing underwater robot is not provided with a cutting device and a rescuer needs to use a cutter for cutting is solved, and rescue difficulty is reduced.

The invention relates to the technical field of chemical fire prevention and control, in particular to a combustion product based chemical fire fuel identification method. The method includes the steps of: a. selecting a high purity chemical combustible sample, putting the sample into a flue gas generation device for combustion, and inputting the flue gas produced by combustion into a mixing device; b. inputting the uniformly mixed flue gas in the mixing device into several light chambers through capillary tubes, and collecting the radiation intensity variation data generated by the influenceof flue gas on direct light and scattered light in the light chambers; and c. inputting the data into a database established a computer, randomly selecting part of the data in the database as the training set, performing training by Randomforest algorithm, and then testing the training set with the rest data so as to determine the effectiveness. The method identifies the influence of flue gas generated by different combustion products on medium-long wave light rays to collect sample data and establish the big database, also employs Randomforest machine algorithm learning to realize rapid analysis and response of fire scene comburent, and can reduce the risk and rescue difficulty of chemical fires.

The invention relates to an emergency communication method and device based on geographical position information, and the method comprises the steps: dialing a preset emergency telephone number through a cellphone; enabling the cellphone to obtain the current geographical position information of the cellphone and the geographical position information of a rescue center which is the nearest to thecellphone through a local global positioning system when the call of the preset emergency telephone number is successful; displaying the obtained current geographical position information of the cellphone and the obtained geographical position information of the rescue center which is the nearest to the cellphone; coding the current geographical position information of the cellphone and the geographical position information of the rescue center which is the nearest to the cellphone into a voice file at a predetermined format; transmitting the voice file at the predetermined format to the preset emergency telephone number. According to the invention, the method can achieve a purpose of transmitting the current geographical position information of the cellphone and the geographical positioninformation of the rescue center which is the nearest to the cellphone to the preset emergency telephone number at any time through the voice file, and reduces the rescue difficulty.

The invention relates to the technical field of rail train running control, in particular to an emergency system for switching failure of a non-power area of a double-current system vehicle. The emergency system which comprises a position module, a first detection module, a processing module and a prompting module. The position module obtains real-time position information of the vehicle in real time; the first detection module detects a switching failure signal when the vehicle is switched in the non-power area and sends the switching failure signal to the processing module, and the processing module obtains position information when receiving the switching failure signal and judges failure reason information according to the switching failure signal and the position information; and the processing module determines emergency processing information according to the failure reason information and sends the emergency processing information to the prompting module for prompting. According to the invention, emergency prompting can be carried out in time after the driving switching state of the non-power area is detected, and the follow-up rescue difficulty of the vehicle is reduced.

According to the technical scheme, the plastic steel window with the anti-theft mechanism is characterized in that the plastic steel window comprises a wall body, a mounting opening is formed in one side of the wall body, a window frame is arranged in the mounting opening, the top face and the bottom face in the window frame are each provided with two rotating holes, and a glass window is arranged in the window frame; the top face and the bottom face of the glass window are both fixedly provided with rotating columns, the rotating columns and the rotating holes are rotationally arranged in a sleeved mode, an anti-theft assembly is arranged on one side of the window frame and used for preventing strangers from entering, by arranging a rack, an anti-theft net is hung on the glass window at ordinary times, daylighting and ventilation of the window cannot be hindered, and when the strangers are in front of the window, the anti-theft net is hung on the glass window. The infrared detector can detect a transmission signal, the PLC starts the motor to put down the burglar mesh, strangers are prevented from entering the burglar mesh and damaging the glass window, and when a fire disaster needs to be rescued, people in a room control the burglar mesh to rise, rescue workers can enter the room from the window for rescue, and the rescue difficulty is reduced.