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1742results about How to "Reduce casualties" patented technology

Monitoring and prewarning system and method for geological disasters

The invention relates to a monitoring and prewarning system and a monitoring and prewarning method for geological disasters. The monitoring and prewarning system for the geological disasters comprises a plurality of global navigation satellite system (GNSS) monitoring stations 1, a continuous operational reference system (CORS) 2, a 3rd-generation (3G) wireless network or wireless bridge 3, a microwave communication system 4, a monitoring and prewarning server 5, a monitoring and prewarning central computer 6 and the like which are arranged in a monitored area. Each GNSS monitoring station 1 comprises a global positioning system (GPS) receiver 11, a 3G network transmission component 12, video monitoring equipment 13, a microwave communication transmission component 14, a power supply 15 and the like. In the method, the aims of forecasting and prewarning possibly initiated geological disasters automatically in real time can be fulfilled by setting the GNSS monitoring stations in areas liable to the geological disasters, monitoring ground surface displacement in real time by the CORS, performing real-time ground surface displacement monitoring on the geological disasters, such as collapse, landslide, debris flow, surface collapse, subsidence, ground fissure and the like, which can be caused by ground surface displacement, combining remote video monitoring, performing data processing on monitoring information, and automatically issuing prewarning information.
Owner:河北省第一测绘院

Method and device for obtaining optimal path to hurry to scene of traffic accident

The invention discloses a method and device for obtaining an optimal path to hurry to a scene of a traffic accident. The method comprises the following steps of: respectively calculating fastest paths for police cars around an accident scene to arrive at the accident scene and selecting one path which consumes the shortest time from all the fastest paths as the optimal path; and announcing the police car corresponding to the optimal path to hurry to the accident scene by adopting the optimal path, thus arriving at the accident scene in the shortest time. Therefore, by utilizing the method, the accident spread is avoided, the injuries and deaths can be reduced; and the time for processing the traffic accident is effectively saved by the method. In the method, when the fastest driving paths of the police cars are calculated, each driving path is segmented at first and then the driving time of the whole driving path is calculated through calculating an average car speed of each segment of the path, so that the fastest driving path is found out. As the path is segmented, the calculated average speed is more precise and more accurate. The invention also discloses a device corresponding to the method; and the method and the device are combined so that the police car can arrive at the accident scene in the shortest time.
Owner:GUANGDONG VTRON TECH CO LTD

Automobile anti-collision alarm system based on pulse laser ranging

The invention relates to an automobile anti-collision alarm system based on pulse laser ranging, which belongs to the technical field of electronics, which is provided with a control circuit, a laser transmitting circuit, a laser receiving amplifier circuit and relevant circuits. A single chip microcomputer STC12C5A60S2 is the core of the control circuit, after laser pulse signals are in spectral processing by a spectroscope with the support of corresponding programs, one channel of the laser pulse signals is reflected by a reflector to be directly received by a PIN receiving circuit, another channel of the pulse laser signals is reflected by an automobile ahead, and then is received by the APD (avalanche photo diode) laser receiving circuit, after receiving time of each of the channels of the laser pulse signals is accurately corrected by a discriminator circuit, the channels of the laser pulse signals are transmitted to the single chip microcomputer master control circuit to be processed, the distance from an automobile with the automobile anti-collision alarm system and the automobile ahead is monitored in real time, and the system can give a sound and light alarm when the automobile is in danger, simultaneously reminds a driver of controlling automobile speed in a voice manner and keeping the distance from the automobile to the automobile ahead. In addition, when necessary, the system outputs brake signals to control the automobile to brake. Besides, the automobile anti-collision alarm system is large in measurement range, high in directivity, interference resistance, precision and practicality, fast in response time and simple in structure, and has high economic benefit and social benefit.
Owner:YANGZHOU UNIV

Urban rail transit emergency passenger flow space-time distribution prediction method

ActiveCN110782070AReal-time calculation of inbound volumeReal-time calculation of outbound volumeForecastingState predictionSimulation
The invention provides an urban rail transit emergency passenger flow space-time distribution prediction method, which comprises the steps of analyzing historical emergency driving organization adjustment measures based on historical data, and mining passenger flow space-time distribution rules, influence ranges and passenger selection behaviors of historical emergencies; based on the AFC real-time card swiping data, predicting OD distribution under emergencies by using a space-time correlation prediction model in combination with a mining result of historical data; performing real-time adjustment and deduction on the train timetable under the emergency according to an analysis result of historical emergency driving organization adjustment measures, and updating an effective path of the track; and realizing rail transit passenger flow space-time distribution state prediction under different emergency scenes by combining the rail effective path updating result and the OD distribution prediction result under the emergency and based on a multipath probability distribution model. According to the method, the passenger flow distribution condition of the rail transit road network under the emergency situation can be accurately mastered in real time.
Owner:BEIJING TRANSPORTATION INFORMATION CENT +1

Mine emergency communication system

The invention relates to a mine communication system, in particular to an emergency communication support system of coal mines. The emergency communication support system comprises an integrated command rescue call center server, an IP (Internet Protocol) telephone switchboard and an voice gateway, which are interactively connected through Ethernet, wherein the voice gateway is simultaneously connected to a dispatching switchboard, an integrated IP voice access gateway for mine is adopted as the voice gateway, a 32-bit embedded microprocessor is adopted for the voice access gateway, a protocol conversion address of the microprocessor is connected with a system interface module, a serial port of the microprocessor is connected with a field bus protocol conversion module, the field bus protocol conversion module is connected with an underground dispatching amplified phone, an MAC (Media Access Control) address of the microprocessor is connected with a network module, and the microprocessor is connected with an Ethernet switchboard through the network module. The microprocessor is provided with a corresponding data interface for connecting an optical fiber transmission module, the microprocessor is accessed to an underground industrial optical fiber ring net through the optical fiber transmission module, and the underground loud-speaking phone is accessed to the underground industrial optical fiber ring net through a converter. According to the mine communication system disclosed by the invention, a difficult problem of the speed bottleneck in the wide-band network underground communication of a mine area is solved, and a way is paved for networking and informatizing of a mine monitoring system.
Owner:ZHENGZHOU SAIJIN ELECTRIC

Method for detecting electric arc light and detection device therefor

The invention provides a method for detecting electric arc light and a detection device therefor. The detecting method is an optical wavelength switching method which switches ultraviolet light in thereceived electric arc light into visible light which is transmitted by an optical fiber and switched to be an electric signal by a photoelectric converter, and the electric signal can be used for cutting off a signal source of current of an electric power system. Correspondingly, the detection device mainly consists of an optical filter, optical wavelength switching material, a visible light bandpass filter, the optical fiber and the photoelectric converter, wherein the optical fiber is arranged between the optical wavelength switching material and the visible light band pass filter or between the visible light band pass filter and the photoelectric converter; and the optical fiber, the optical wavelength switching material and the visible light band pass filter have split type or combined structure. The invention can be used for accurately judging the occurrence of faulted electric arc light in the electric power system, quickly cuts off the current of the faulted system, and shortens the process duration of the electric arc light, thus reducing the equipment damage as well as loss of life and personal injury caused by the electric arc light to the utmost extent.
Owner:严跃

Dash-proof distant control boring machine and its control method

The invention discloses an outburst prevention distance control drilling machine and the control method thereof, which comprise a base, a main drilling machine unit and a control system; the main drilling machine unit is arranged on the base which is provided with a running gear; the main drilling machine unit comprises a power head, a driving mechanism and a power device; the control system includes a distance control system and a main control system; the distance control system includes an automatic control system I, a human-machine interface and a display; the main control system includes a sensor group and an automatic control system II; the automatic control system II receives the operation state signal of the main drilling machine unit from the sensor group, transmits the signal to the automatic control system I, receives the control signal of the automatic control system I and sends the command signal to the main drilling machine unit. The outburst prevention distance control drilling machine and the control method realize the unmanned operation of the drilling hole; the operator can control the drilling machine out of the range of 100m; the protection capability of the gas hole drilling operators is improved greatly; the casualty is reduced and the safety state of mines is improved.
Owner:CHINA COAL TECH ENG GRP CHONGQING RES INST

An underwater glider and an unmanned submersible vehicle retracting and releasing device

The invention discloses a retracting and releasing device of an underwater glider and an unmanned submersible vehicle, An underwater glider and an unmanned submersible vehicle retracting and releasingdevice including chassis, A synchronous belt horizontal transmission component is instal on that chassis, A rail is mounted on the chassis, A movable trolley is slidably connected to the rail, and the lower surface of the moving trolley is fixedly connected to the horizontal transmission assembly of the synchronous belt, The movable trolley is provided with a recovery manipulator assembly, the movable trolley is rotatably connected with a retracting and placing tipping frame assembly, a glider is arranged on the retracting and placing tipping frame assembly, and two turnover cylinders are rotatably connected with the retracting and placing tipping frame assembly in a common symmetrical manner between the mobile trolley and the retracting and placing tipping frame assembly. The invention has the advantages of ingenious structure, low cost and use cost, little influence of wind and wave, low probability of equipment damage and personnel casualty, no need of manual rope operation, and large amount of time and energy of staff are saved.
Owner:QINGDAO CHENMING MARINE EQUIP TECH CO LTD

Multi-cell automobile energy-absorbing buffer device

InactiveCN104890604AReduce the initial peak of the collisionDifferent energy absorption effectsBumpersMetallic materialsMechanical engineering
The invention discloses a gradient multi-cell automobile energy-absorbing buffer device which comprises a gradient multi-cell energy-absorbing pipe (2). The gradient multi-cell energy-absorbing pipe (2) comprises a plurality of cells, a plurality of side walls are enclosed to form each cell, and the thickness of each side wall is changed in a gradient manner, namely, the thickness of each side wall is gradually decreased by a preset gradient from the edge of the side wall to the middle of the side wall. Light metal materials can be extruded to form an energy-absorbing buffer structure. A multi-cell structure is arranged on the cross section of the gradient multi-cell automobile energy-absorbing buffer device, the deformation mode of the structure is more stable as compared with a traditional single pipe energy-absorbing structure, and energy-absorbing efficiency is higher. Compared with an equal-thickness multi-cell structure, a portion making a great contribution to structural plastic deformation performance is effectively enhanced by gradient thickness change, and a portion making a small contribution to deformation performance is weakened. The gradient multi-cell automobile energy-absorbing buffer device serves as a direct impact energy-absorbing structure for an automobile, direct impact safety of the automobile can be greatly enhanced, and automobile passenger casualties are reduced.
Owner:HUNAN UNIV

Mining safety helmet with functions of perceiving vital signs and dangerous environment of miners and early warning

InactiveCN102742954AMaster vital signsEasy to manageHatsHeadwear capsEngineeringLoudspeaker
The invention aims to provide a mining safety helmet with functions of perceiving vital signs and dangerous environment of miners and early warning. The mining safety helmet is formed by a safety helmet shell, a safety helmet liner, a loudspeaker, a human body temperature sensor, a pressure sensor, a methane detection sensor, a carbon oxide detection sensor, an external temperature sensor, an air ventilating opening, a microprocessor, a wireless transmission module, a rechargeable battery, a horizontal speed detection sensor, a vertical speed detection sensor, a gravity induction sensor, a loudspeaker acoustic transmission opening, a power supply switch, a charging interface and a system updating interface. Temperatures, moving speeds, body gestures, head pressure information and underground environment monitoring data of underground personnel can be collected in real time and uploaded. When an accident happens, services are provided for formulating a rescuing scheme according to the collected vital signs and movement state information of the miners; and before the accident happens, early warning can be carried out according to environment monitoring information; and a working condition of the underground personnel can be evaluated according to the personnel movement and the body gesture information under the normal condition.
Owner:SHANDONG UNIV OF SCI & TECH

Traffic warning method and system based on Internet

InactiveCN105513361AExact classification processingTimely classification and processingDetection of traffic movementAlarmsTraffic accidentThe Internet
The invention discloses a traffic warning method and system based on Internet. The method includes the steps that a vehicle intelligent terminal acquires information of images around a vehicle through a camera, and it is determined that a traffic accident happens to the vehicle according to the image information; a recording function is started, and voice information of a user is recorded; position information of the vehicle is acquired through a GPS; the image information, the voice information, the position information and pre-stored vehicle user information are sent to a server through the Internet; the server recognizes key words of the voice information, the traffic accident type of the vehicle is determined according to the key words and the image information, and the image information, the voice information, the position information and pre-stored vehicle user information are sent to a service terminal corresponding to the traffic accident type through the Internet. By means of the method and system, accurate classification processing can be fast and precisely performed on the traffic accident happening to the vehicle in time, better service can be provided for a vehicle user, and casualties and property loss caused by the traffic accident can be reduced.
Owner:GUANGZHOU JUNHE INTELLIGENT EQUIP TECH CO LTD
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