139results about How to "Reduce loss of life and property" patented technology

The invention provides an intelligent handling system and method for elevator failure repair, which can efficiently and quickly handle elevator failures, lowers the elevator running cost and guarantees life and property safety. The intelligent handling method comprises the following steps: one-key repair or code-scanning repair is performed, wherein one-key repair is that a one-key repair button arranged in an elevator car is pressed down to send failure information including the elevator name and the like to a cloud platform through a network, and code-scanning repair is that repair QR codes are scanned with a mobile phone to be linked to the cloud platform, and then the failure information is sent to the cloud platform through the network; after receiving the failure information, the cloud platform sends the elevator position and the failure information to a property management terminal and a maintenance personnel terminal through the network; after seeing the failure information on the maintenance personnel terminal, maintenance personnel receives or refuses maintenance tasks and feeds back to the cloud platform, and if receiving the maintenance tasks, the maintenance personnel feeds the progress and handling information of the maintenance tasks through the maintenance personnel terminal; and the cloud platform sends the progress and the handling information of the maintenance tasks to the property management terminal and the maintenance personnel terminal through the network.

The invention relates to a moving vehicle detection method based on a novel deep convolution neural network. The method uses a monocular camera to implement a detection algorithm of a moving vehicle in the front and brings forward a moving vehicle detection framework based a novel convolution neural network. Through the novel convolution neural network, vehicle features can be obtained very accurately, and a target vehicle can be further accurately separated out, so that a machine recognition effect can be achieved, and the target vehicle can be tracked more quickly. As far as vehicle detection is concerned, the method can be adapted to a high-speed driving environment, and provides technical guarantee for implementation of intelligent assisted driving. The method solves the problem of traffic safety, improves road vehicle throughput, reduces the malignant traffic accident rate, and reduces life and property losses. From the perspective of improving social and economic benefits, the method has great meaning in reality and broad application prospect.

The invention relates to an automobile active anti-collision curve false-alarm eliminating method. According to the automobile active anti-collision curve false-alarm eliminating method, an automobile is idealized into a mass point, and the automobile runs along a central line of a curve; an azimuth angle is defined to be the included angle between the straight line formed by two automobiles and the straight line formed by the exact front of the automobile, and the changing range of the azimuth angle in the same lane is worked out along the dynamic changes of the present range D of the two automobiles. The relative distance D and the azimuth angle theta are measured through a video or a millimeter-wave radar or a laser radar sensor, whether the azimuth angle is within the range or not is judged, and if yes, it is indicated that the two automobiles are in the same lane; if not, the two automobiles are not in the same lane, and a false alarm can be eliminated. The automobile active anti-collision curve false-alarm eliminating method has great practical significance and wide application prospects for solving the problem of traffic safety, improving transportation capability, reducing the occurrence rate of terrible traffic accidents, reducing losses of life and properties and improving social and economic benefits.

The invention discloses a hail detection algorithm on the basis of meteorological radar data. The hail detection algorithm has the advantages that scientific guidance effects pertinently for timely hail weather warning and artificial influence and intervention can be realized for meteorological departments by a method for identifying and judging hail and the hail intensity by the aid of meteorological radar materials; hail detection algorithms are integrated and improved by the aid of American WSR-88D Doppler weather radar systems and current SWAN meteorological radar systems in China, research is carried out on thresholds of the VIL (vertically integrated liquid water contents) density of large hail occurrence cloud layers, accordingly, hail detection algorithm thresholds suitable for localization can be obtained, the hail weather warning time and accuracy can be improved, a scientific basis can be provided for disastrous weather short-time imminent forecasting by the meteorological departments, and influence can be possibly timely implemented on hail disastrous weather by artificial influence meteorological departments.

The invention discloses a wireless alarm system for preventing secondary accidents of a freeway tunnel group, which comprises alarm base stations, a signal repeater, a scene alarm assembly, a remote controller and a monitoring center, wherein the alarm base stations are distributed in a channel and used for starting an alarm signal when an accident is generated; the scene alarm assembly is arranged at the entrance of the channel; the alarm signal of the alarm base stations is transmitted among the alarm base stations in the channel by a wireless network; the accident alarm signal of the alarmbase stations is finally transmitted to the remote controller, and the scene alarm assembly is driven by the remote controller to remind the following vehicle to slow down or avoid entering the channel in an acousto-optic picture way; the remote controller is communicated with the monitoring center by a GSM/GPRS network, and the monitoring center carries out remote monitoring on scene equipment and an alarm state by the remote controller. The invention can effectively prevent the secondary accidents of a freeway tunnel group.

The invention discloses a multifunctional intelligent anti-collision device of an automobile. The device comprises an air bag, anti-collision detecting units and an anti-collision controller. The anti-collision detecting unit comprises a front camera, a head ultrasonic distance measurement sensor, a rear camera, a tail ultrasonic distance measurement sensor, an infrared human detection sensor, an automobile speed sensor and an acceleration sensor. The anti-collision controller comprises a DSP digital signal processor, a voltage conversion circuit module, a touch liquid crystal display, a Flash memory, a USB communication circuit, a GPRS wireless communication module, a clock circuit module, a signal conditioning circuit, a voice play circuit and a relay. The multifunctional intelligent anti-collision device of the automobile is simple in structure, reasonable in design, convenient to use and operate, capable of avoiding accidents such as reversing collision, collision with an obstacle ahead due to acceleration, collision with a rear obstacle due to emergency braking, secondary collision after a car accident and the like, complete in functions, high in working stability and reliability, high in practicality and convenient to popularize and use.

The invention discloses a comprehensive and integrative gas drainage method which can be used for solving the problems that gas drainage is difficult to realize due to soft coal beds and low air permeability of the existing mines and the drainage effect of the current single gas drainage technology is unsatisfied. The method disclosed by the invention comprises the following steps: (1) high-position fracture borehole drainage of the top plate of a coal bed; (2) heterotropic high-position borehole drainage of a return airway; and (3) upper corner pipe-laying drainage of a gob. According to the invention, the stress field and fracture field caused by mining and a gas migration rule are fully utilized, so that drilled holes are high in drainage efficiency and flexible in arrangement, a drainage system is simple, the gas concentration at a drainage outlet can be up to 15-24%, and the gas drainage efficiency can reach 55-67.3%. The method disclosed by the invention is a new technology and method in fully mechanized caving face gas control methods, can be used for reducing the occurrence of excessive gas accidents and reducing the losses of life and property, has very important and far-reaching significance and is strongly worthy to be popularized and applied.

The invention discloses a multi-data fusion meteorological prediction early warning method, and the method comprises the steps: carrying out the assimilation of meteorological observation data througha multi-source 4D-WRF-EnSRF data assimilation system, enabling the assimilation data to serve as the input of a DeepConvLSTMs artificial intelligence prediction network, and achieving the training ofthe network and the real-time rainfall prediction of multiple data sources; finely dividing rainfall intervals, and setting early warning levels; seamlessly dividing the coverage area of each mobilemeteorological station; and planning a mobile meteorological station, a meteorological monitoring center, a multi-means publishing platform and a prediction and early warning information publishing system, and guaranteeing real-time linkage of the system architecture. Multi-data acquisition and fusion are realized, prediction and early warning results are uploaded and issued in real time, a to-be-rescued area is rapidly locked, a rescue scheme is issued, and rescue field communication is ensured; the weather forecasting and early warning timeliness and accuracy are improved, the early warninginformation publishing coverage rate is increased, the weather disaster prevention and reduction service capacity and the rescue capacity are enhanced, and life and property losses caused by rainstormdisasters and secondary derivative disasters of the rainstorm disasters are effectively reduced.

The invention relates to a method for fabricating a house through members assembled by interlocking combined building blocks. The combined building blocks with different thicknesses, different interlocking types and functional block shapes are assembled to be the independent members such as inner-outer-wall equal thickness and unequal thickness hollow or solid square, L-shaped, T-shaped and cross structural column window beams, door beams, cantilevering beams, ring beams, wallboards and floors, and the independent members are fabricated to be the house meeting the current standard quality requirements. The products are not only suitable for small scattered living house man-made buildings, but also suitable for whole mechanical low-rise, multi-rise and high-rise full-fabricated buildings, the effect of improving seismic performance of the house is achieved, the aerial working safety risk under layer-by-layer erecting is avoided, lots of formworks are saved, the building construction speed is increased, and compared with all other domestic and oversea current building structure systems, the products have the more significant cost performance advantage.

The invention provides a lightning protection based safety monitoring platform and a safety monitoring method thereof, and relates to the technical field of lightning protection. The method comprisesthat a sensing layer collects characteristic parameter information of a lightning protection environment in real time, and uploads the characteristic parameter information to a cloud computing layer via a communication layer; a risk evaluation and processing unit of the cloud computing layer analyzes and processes the characteristic parameter information to obtain a risk evaluation result of the lightning protection environment, and the risk evaluation result is sent to an application layer; and according to an instruction, input by a user, to check the risk evaluation result of the lightningprotection environment, a risk evaluation interface unit of the application layer is displayed to the user. Thus, it is not necessary to monitor different lightning protection equipment in the lightning protection environment by people regularly, comprehensive online real-time mentoring of the lightning protection equipment is realized, danger that may be caused by lightning stroke can be predicted and analyzed timely, and life and property loss caused by lightning stroke can be reduced to the largest extent.

The invention relates to a dangerous and old house monitoring system. For main features of settlement and cracks and the like of dangerous and old houses, corresponding terminal monitoring instruments are designed to carry out long-term uninterrupted monitoring on key positions and dangerous points of the dangerous and old houses to obtain reliable and accurate long-term dynamic monitoring data; signals of the terminal monitoring instruments are gathered and processed through a control center to realize real-time evaluation of the current situation of a target object; the signals are transmitted to a background server through GPRS/3G/GSM communication technology; and a management platform computer can randomly observe dynamic change of specific building settlement and wall cracks and transient radical changes before collapse, thereby providing assistant basis for house danger-relieving work decision, and issuing early-warning reminding in time when abnormity occurs.

The invention discloses a multi-rotor-wing unmanned aerial vehicle capable of carrying a fire extinguisher for fire fighting and relates to the technical field of fire fighting of fire extinguishers.The multi-rotor-wing unmanned aerial vehicle capable of carrying the fire extinguisher for fire fighting comprises an unmanned aerial vehicle bottom plate and a fire extinguishing system installed below the unmanned aerial vehicle bottom plate; the fire extinguishing system comprises the fire extinguisher, a fire extinguisher spray nozzle, a button type gas valve, a mechanical starting device anda guiding pipe; the fire extinguisher is installed below the unmanned aerial vehicle bottom plate through an installing mechanism; two parallel positioning frames are arranged on the side front of theunmanned aerial vehicle bottom plate; direct current motors are installed on the side end faces of the tail ends of the positioning frames; an installing groove is formed between the two positioningframes; a U-shaped base is installed in the installing groove; a laser sight is arranged at the lower end of the U-shaped base; and the fire extinguisher spray nozzle is installed in the U-shaped base. The fire extinguishing method is especially suitable for fire extinguishing of high-rise buildings, poisonous and harmful, inflammable and explosive fire fighting environments and other special firefighting environments.

The invention discloses a fault diagnosis method for a hydraulic pump of an electro-hydrostatic actuator. The method comprises the following steps: firstly, acquiring a vibration signal on a hydraulicpump shell of the electro-hydrostatic actuator or a pressure signal at an outlet of a hydraulic pump by utilizing a vibration acceleration sensor or a pressure sensor, constructing a feature vector based on a wavelet packet decomposition technology, and encoding a fault type of the hydraulic pump of the electro-hydrostatic actuator to serve as a training output sample; acquiring a vibration signal data set or a pressure signal data set of a hydraulic pump of the electro-hydrostatic actuator; optimizing model hyper-parameters C and delta of the support vector machine automatically by using aquantum particle swarm algorithm; obtaining the values of the optimal hyper-parameters C and delta, substituting the values into a support vector machine model, and training the support vector machinemodel of the optimal hyper-parameters by utilizing the feature vectors extracted from the training data set of the electro-hydrostatic actuator hydraulic pump and the fault codes corresponding to thefeature vectors; and finally, carrying out electro-hydrostatic actuator hydraulic pump fault diagnosis on the electro-hydrostatic actuator hydraulic pump test data set.

The invention discloses an anti-collision environmental-protection and energy-conservation street lamp. A solar panel and a first support rod are arranged at the upper end of a lamp body; multiple connecting rods and a wind power module are arranged on one side of the upper end of a support column; multiple lamp arms and a street lamp module are arranged on one side of the upper end of the supportcolumn; a lamp cover, an LED energy saving lamp and a mosquito dispelling protective cover are arranged at the upper end of one side of the street lamp module; a buffer device is arranged on one sideof the lower end of the support column; buffer protecting plates are arranged on one sides of anti-collision extension rods; first buffer springs and second buffer springs sleeve the externals of theanti-collision extension rods; elastic nuts are arranged on one sides of buffer protecting plates; buffer steel plates, expansion foam agents and anti-collision pads are arranged on one sides of theelastic nuts; a base is arranged at the bottom end of the support column; and multiple fixed ground columns are arranged on the two sides of the lower end of the base. The anti-collision environmental-protection and energy-conservation street lamp has the beneficial effects of achieving the effect of relieving the collision impact to protect the street lamp and reducing the maintenance cost and the vehicle and people life and property loss.

The invention discloses a method for obtaining the deflection of a dam body on the basis of measurement values of measured points of a limited inclinometer. Correlation vector regression with high generalization capability for small samples is adopted, measurement values of existing limited inclination angles are used as output variables, influencing factors such as coordinates of the measured points, the water level, the temperature, the pore pressure and the time are adopted as input variables, a correlation vector machine model is established, the tangent value of the inclination angle of an arbitrary spatial point on a measurement line at specific time is predicted, space coordinates are adopted for performing explicit optimal polynomial fitting on the tangent values of the inclinationangles on the measurement line, integration is performed on an optimal polynomial, and a tilt meter or the displacement measurement value of the top (such as an opening of an inclination measurementtube) of the measurement line of the inclinometer or the displacement measurement value of the bottom (such as the bottom of the inclination measurement tube) of the measurement line of the inclinometer is utilized to determine an integration constant, so that the horizontal displacement distribution (deflection) along the axis of an entire vertical inclination measurement hole is obtained. The measurement values of different time and space are simultaneously utilized, the influence factors such as external loads and the time and space are taken into account, and the method can be popularizedto other situations such as a slope, other projects of the slope and the horizontal layout of the measurement line.

The invention discloses a visualization method for emergency early warning of sudden toxic gas leakage. The method comprises the steps: completing the collection of meteorological wind field data, chemical plant data, road network data and geographic data, and carrying out the preprocessing of the collected data; establishing a streaming database for the wind field data; predicting a poison gas diffusion range after a sudden poison gas leakage accident occurs in the chemical plant through the Gaussian puff model, and calculating evacuation path plans of all citizens in the affected range according to a poison gas diffusion range prediction result; finally, outputting a fusion view of accident surrounding geographical condition visualization, wind field visualization, poison gas diffusion range prediction result visualization and evacuation path planning visualization in real time. According to the method disclosed in the invention, an urban emergency management department can be helpedto make reasonable emergency decisions more efficiently in a specific scene of sudden toxic gas leakage disasters, and life safety threats to citizens are reduced.

The invention relates to a hydrogen fuel engine protection system. The hydrogen fuel engine protection system comprises a hydrogen fuel engine, a high-pressure air pipeline, a fuel gas pipeline, a waste gas pipeline, an engine oil circulating pipeline, a cooling water circulating pipeline, a protection shell, a fuel pipeline protection casing and a waste gas pipeline protection casing. The hydrogen fuel engine is wrapped with the protection shell. A hydrogen storing unit is connected with the fuel gas pipeline through a fuel valve. A protection gas interlayer is formed between an engine shell of the hydrogen fuel engine and the protection shell. A protection gas storage tank communicates with the fuel pipeline protection casing through a valve. The fuel pipeline protection casing and the waste gas pipeline protection casing communicate with the protection gas interlayer, and pipeline connection sealing rubber sleeves are arranged at the joints. The protection gas interlayer is provided with a protection gas outlet which is connected to the fuel pipeline protection casing. By arranging the protection shell outside the engine, protection gas is used for protecting the engine, and leakage of hydrogen is reduced and even avoided; and the operation safety of the engine is advantageously protected, and unnecessary disasters are avoided.

The invention provides a nuclear, chemical and biological medical rescue expert system, belonging to the technical field of expert information systems. The system comprises a nuclear radiation injuryterrorist attack medical rescue subsystem, a chemical terrorist attack medical rescue subsystem, a bioterrorist attack medical rescue subsystem and a geographic information subsystem, wherein the nuclear radiation injury terrorist attack medical rescue subsystem, the chemical terrorist attack medical rescue subsystem and the bioterrorist attack medical rescue subsystem respectively comprise a basic information unit, a medical rescue unit, a consulting information unit and a corresponding database; and the geographic information subsystem comprises a target quick positioning unit, a map operation controlling unit, a hazard assessment unit and a corresponding GIS database. The seamless integration is adopted among all the subsystems and between the units and the databases of all the subsystems, and the quick positioning for the query targets is supported; and the professional skills required for handling the nuclear, chemical and biological emergent events of public health and the command decision-making information can be quickly searched by using the system, thereby effectively handling the emergent events in time.

The invention provides a large-scale fire monitoring method and system based on time difference measurement and calculation. The fire monitoring method comprises the following steps: dividing a to-be-monitored area into a plurality of sub-areas according to area information of the to-be-monitored target area; carrying out data initialization, configuring a plurality of signal receiving devices andat least one signal transmitting device for each subarea, and obtaining a communication time difference between the signal receiving devices and the signal transmitting devices and transmitting information of the signal transmitting devices received by the signal receiving devices in each subarea; acquiring position information of each signal transmitting device according to the coordinate information of each signal receiving device and the communication time difference; and acquiring a live wire leading edge fitting curve and a live wire pushing speed according to the position information ofeach signal transmitting device. According to the invention, the fire development trend is fed back in real time.

The invention discloses a transformer substation protection system. The system comprises a fire alarm system, a small animal repelling system, a signal protection device and a steel structured kit, wherein the fire alarm system comprises a trigger device, a fire alarm controller, a fire alarm device, a fire-fighting linked controller and automatic fire-fighting equipment, the animal repelling system comprises a snake repeller, a mouse repeller, an wireless integrated controller and a microcontroller, the snake repeller and the mouse repeller are electrically connected with the wireless integrated controller, the signal protection device comprises a cable and a cable signal transmitter, an additional wire is arranged on the lower end of the cable, signal generators are arranged on both ends of the additional wire, the signal generators are synchronized with the signal transmitter, a synchronous controller is arranged in the cable signal transmitter, and a same-frequency device is arranged in the synchronous controller. The transformer substation protection system can conduct fire pre-warning, small animal repelling and signal transmission protection.

The invention relates to an automatic continuous monitoring system for subway deep tunnel engineering construction safety, which belongs to the field of tunnel construction safety monitoring and earlywarning, and comprises a sensor unit, a data acquisition and transmission unit, a data processing and control unit and a construction safety evaluation program module, the sensor unit collects displacement, strain, settlement and inclination angle monitoring information; the data acquisition and transmission unit comprises a sensor wireless data transceiver and a wireless data relay transceiver and is used for wirelessly transmitting and receiving inclination angle monitoring information among all the units; the data processing and control unit comprises a computer, and the construction safety assessment program module performs wavelet packet analysis on at least one of displacement, strain, settlement and inclination angle monitoring information data when executed by the computer, and identifies the occurrence time, damage position and damage degree of tunnel structure damage. The method has the advantages of real-time performance, convenience, high efficiency and accuracy.

The invention relates to a fire fighting foam liquid remote transportation and transfer method and a fire fighting foam liquid remote transportation and transfer system. The method comprises the following steps that 1) a foam liquid transportation and transfer operation vehicle and a foam liquid distribution operation vehicle are adopted, the foam liquid transportation and transfer operation vehicle is parked in a position with the proper distance from a fire scene, and the foam liquid distribution operation vehicle is parked in a position with the distance being dozens of meters away from a fight fighting vehicle; 2) bulk foam liquid is transported to a position beside the foam liquid transportation and transfer operation vehicle, the foam liquid transportation and transfer operation vehicle is connected with a suction pipe group through an input pump group, and the suction pipe group fast sucks the bulk foam liquid for concentrating the bulk foam liquid into a transportation and transfer transit tank arranged on the foam liquid transportation and transfer operation vehicle; 3) the foam liquid in the transportation and transfer transit tank arranged on the foam liquid transportation and transfer operation vehicle is transported and transferred for a long distance into a distribution transit tank arranged on the foam liquid distribution operation vehicle through a transportation and transfer pump group and a transportation and transfer hose; and 4) the foam liquid distribution operation vehicle is connected with a distributor through a distribution pump group and a distribution hose, the distributor is connected with each fire fight vehicle through hoses, and the foam liquid in the distribution transit tank is continuously distributed into each fire fighting vehicle for carrying out fire fighting.

The invention relates to a road tunnel traffic risk real-time evaluation system and belongs to the field of road tunnel traffic risk early-warning technique. The system comprises a system management module, a risk source and disease knowledge base management module, a risk dynamic recognition and management module, a real-time data acquisition and management module, and a risk early-warning and display management module. According to the invention, the monte carlo method, the fuzzy comprehensive evaluation method and the neural network method are combined. Meanwhile, the data acquisition and the analysis are carried out on the complex environment data and the traffic data of a road tunnel. Moreover, the risk of the served road tunnel is evaluated in real time through a road tunnel risk model, so that the occurrence of risks can be prevented in time. The life and property loss of people can be reduced to a great extent.