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1105results about How to "Avoid property damage" patented technology

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

Method for automatically determining rescue path of expressway network

The invention discloses a method for automatically determining a rescue path of an expressway network. The method comprises the following steps of: 1, after a traffic accident, acquiring information of an accident site, information of peripheral emergency rescue points and information of a road network; 2, searching a path which has the shortest distance from a peripheral rescue point to an accident point and serves as an initial backup rescue path from the expressway network according to the position of the accident point and the position of the peripheral rescue point; and 3, determining a traffic stream direction influenced by the traffic accident according to lane occupied positions and traffic stream directions of the occupied lanes on the accident site, and acquiring a road condition of the accident site, the number of jammed lanes of the accident site and the position of the accident point. By the method, a rescue path decision scheme in the expressway network of emergency resources can be generated automatically, so that the emergency resources can be transported to the accident site immediately, the emergency rescue efficiency can be improved, and casualties and property loss can be reduced.
Owner:SOUTHEAST UNIV

Traveling information sharing system and control method thereof

The invention provides a traveling information sharing system which is connected with a servo unit and installed on a first vehicle. The traveling information sharing system comprises a short-range network module and a remote-range network module, wherein the short-range network module is used for enabling the first vehicle to build local area network connection with a third party vehicle to achieve data transmission among vehicles; and the remote-range network module is used for enabling the first vehicle to build network connection with the servo unit to achieve data transmission between the first vehicle and the servo unit. When the first vehicle needs to acquire the road condition information around the third party vehicle, the remote-range network module builds network connection with the servo unit to obtain the network address information of the third party vehicle, and the short-range network module builds local area network connection with the third party vehicle according to the network address information to obtain the road condition information. The traveling information system reduces the load of data transmission between the servo unit and the vehicles to a certain extent and further improves the instantaneity and smoothness in sharing of the traveling information.
Owner:QISDA SUZHOU +1

Vehicle carrying device for stereo garage

ActiveCN105484546AGuaranteed clamping stateAvoid property damageParkingsSprocketCantilever
The present invention provides a vehicle carrying device for a stereo garage, belongs to the technical field of load-carrying machinery, and relates to a vehicle access device for a stereo garage. Clamping, fixing and longitudinal and transverse movement of vehicles when the vehicles are accessed in the stereo garage can be effectively achieved. The vehicle carrying device comprises a bottom self-moving mechanism and wheel clamping mechanisms; two ends of a under frame are respectively provided with a pair of travelling wheels with power; two tracks are laid at two sides of the concave bottom of the under frame; two sets of wheel clamping mechanisms are disposed on the concave of the under frame; two sets of symmetrically arranged wheel clamping mechanisms are disposed on chassis of the wheel clamping mechanisms; tow sides of each chassis are provided with clamping motors with output shafts downward; driving chain wheels disposed below each chassis are fixed to output shafts of the clamping motors and are linked to driven chain wheels through chains; a roller is fixed to short arms at an inner side of a clamping arm through shafts at two ends; one end of a clamping connecting rod joint is hinged to the central section of the outside of each clamping arm; and cantilevers at two sides of each chassis are provided with travelling wheels coaxial with the driven chain wheels. The vehicle carrying device is mainly sued in a stereo parking garage.
Owner:SOUTHWEST JIAOTONG UNIV +1

Method for monitoring process of fused magnesium furnace based on improved supervised kernel locally linear embedding method

The invention provides a method for monitoring the process of a fused magnesium furnace based on an improved supervised kernel locally linear embedding method, and relates to the technical field of fault monitoring and diagnosis. The method includes the steps of mapping sample data X to a high dimensional feature space [phi](X) by using a kernel function; selecting the number of k neighbor points through a MKSLLE (Modified supervised kernel locally linear embedding) algorithm, and adding a regular term when constructing a reconstruction weight matrix; performing dimensionality reduction for an objective function composed of a KPCA-combined global preserving features and local preserving features, and obtaining a mapping matrix from a high dimensional data space to a low dimensional feature space and a coefficient matrix through approximate calculation; and constructing a Hotelling T2 statistic and an SPE statistic and determining control limits thereof. According to the invention, abnormalities and faults can be monitored online in real time in the working process of a fused magnesium furnace, the accuracy of fault monitoring is effectively improved, the occurrence of false alarms and false negatives is reduced, the property loss is reduced, and the personal safety of working staff is guaranteed.
Owner:NORTHEASTERN UNIV

Existing building surrounding type story-adding structure and construction method thereof

ActiveCN103225423AThe structural stress system is reasonableSolve the problem of housing difficultiesBuilding repairsShock proofingLand resourcesSteel columns
The invention relates to an existing building surrounding type story-adding structure and a construction method thereof, and belongs to the field of structure seismic strengthening. According to the invention, outer covering type steel structures are added on the periphery of an existing building, and the steel structures surround the existing building and are connected end to end on the plane, so that the horizontal seismic load of the whole structures can be effectively increased. According to the invention, when newly added load-bearing type steel columns of the surrounding type structures exceed the top part of the existing building, load-bearing cross beams are arranged and connected with the newly added load-bearing type steel columns. The whole load at the upper parts of the newly added load-bearing cross beams is transmitted to the newly added load-bearing type steel columns and then the foundation. The surrounding type story-adding technology enables the new structures and the old structures to be closely connected in a hinged or rigid manner, so that the structure stability is increased, the stress system of the whole structure is reasonable, and the safety and the reliability of the whole structure are ensured. Through existing building surrounding type story-adding construction, the present problem about housing difficulty of people is solved and meanwhile a great deal of land resource of the nation is saved.
Owner:湖南中腾土木工程技术有限公司

Method for paying through intermediate platform and paying system thereof

The invention relates to a method of paying through a middle platform, which is used to achieve payment to the middle platform by a user, and finish trading between a user and a merchant subsystem. The method comprises the following steps: firstly, receiving trading request transmitted by the merchant subsystem by the middle platform, wherein the trading request at least comprises cell phone numbers of a user and trading information which comprises payment amount, secondly, searching for corresponding account information by the middle platform according to the cell phone numbers, thirdly, switching word form of the trading information into voice through utilizing a speech synthesis technology by the middle platform, and forming voice data comprising a prompt user response mode, fourthly, dialing back corresponding cell phone numbers to a user by the middle platform, and playing the voice data after switching on and talking with a user, fifthly, finishing withholding detain treatment to a corresponding account by the middle platform according to the response of the user to the voice data, and transmitting the treatment results of the trade to the merchant subsystem or respectively transmitting to the merchant subsystem and a user. A user can pay through utilizing a cell phone and a telephone, and the method is convenient and has high security.
Owner:ALIBABA GRP HLDG LTD

Comprehensive integral mine dispatching communication system

ActiveCN104153815ARealize transmissionRealize the needs of underground mobile communicationMining devicesClosed circuit television systemsCommunications systemNetwork management
The invention discloses a comprehensive integrated mine dispatching communication system. The comprehensive integrated mine dispatching communication system comprises an integral dispatching platform, a dispatching platform and multiple functional systems, wherein the integral dispatching platform, the dispatching platform and the multiple functional systems constitute a local area network. The integral dispatching platform comprises a network switch, a dispatching host and a network management host. The dispatching platform monitors and dispatches the multiple functional systems through the local area network. The multiple functional systems comprise the wired dispatching communication system, the wireless dispatching communication system, the emergency broadcast communication system, the audio/video linkage system, the video dispatching system and the information miner lamp dispatching communication system. According to the comprehensive integrated mine dispatching communication system, the multiple functional systems are integrated through a universal IP network, the multiple systems can be commanded, dispatched, managed and maintained universally, and the multiple systems can independently operate; when an emergency occurs, multi-lateral cooperation, resource sharing and cooperative dispatching can be achieved.
Owner:北京迪为双兴通讯技术有限公司

Rotation anti-collision early warning control device of excavator, control device, and excavator

The invention discloses a rotation anti-collision early warning control device, a control device and an excavator, and belongs to the technical field of early warning of engineering machinery. The rotation anti-collision early warning control device comprises a controller and a plurality of distance sensors which are respectively connected with the controller, wherein the plurality of distance sensors are distributed at the tail part of a counter weight of the excavator; the controller is connected with a main pump proportional solenoid valve and a pilot operated solenoid valve of the excavator respectively; and specifically, the partition range of the distance from the counter weight to an obstacle behind is judged according to a signal received by the controller, so that the purpose of anti-collision early warning control is realized. The rotation anti-collision early warning control device, the control device and the excavator are available for eliminating vision dead points of an operator of the excavator, realize automatic alarm, and implement related protection action, and an automatic anti-collision monitoring device can be switched manually or automatically; and the rotation anti-collision early warning control device, the control device and the excavator are applicable to severe work conditions, do not cause human misjudgment easily and consequently avoid human injury or property loss.
Owner:SHANGHAI SANY HEAVY IND

Automobile tire burst prevention controller on basis of electrical power steering

The invention discloses an automobile tire burst prevention controller on the basis of the electrical power steering and relates to an automobile safety control device. The automobile tire burst prevention controller on the basis of the electrical power steering comprises an ECU (Electrical Conversion Unit) processor, a data acquisition part, a data processing part, a tire burst display part, a tire burst alarm part, a motor steering control part, a power supply circuit, an upper communication circuit and a fault diagnosis circuit. In the case of tire burst, the tire burst alarm part is started and tire burst information is displayed by the tire burst display part; a steering wheel is detected whether to steer and a steering direction and a steering angle of the steering wheel are detected by the data acquisition part; if the steering wheel does not steer, a steering system of a vehicle is directly controlled to carry out tire burst prevention control by the motor steering control part; if the steering wheel steers, the steering direction, the steering angle and turning velocity information of the steering wheel need to be detected so as to provide parameters for correcting a steering declination angle, then the steering system of the vehicle is controlled by the motor steering control part, and by controlling the steering system of the vehicle, the vehicle is kept moving in the original driving direction after the tire is burst so that the vehicle is avoided being out of control and being deflected when the tire is burst.
Owner:GUANGXI UNIVERSITY OF TECHNOLOGY

Flight control debugging protecting device of multi-rotor-wing unmanned plane

The invention provides a flight control debugging protecting device of a multi-rotor-wing unmanned plane. By the flight control debugging protecting device of the multi-rotor-wing unmanned plane, self-stabilization performance of a flight control system of the multi-rotor-wing unmanned plane can be debugged, and test safety is ensured. The flight control debugging protecting device of the multi-rotor-wing unmanned plane is based on a rigid body dynamics principle of flight of the multi-rotor-wing unmanned plane and comprises a triangular rack and four changeable flight control debugging modules; the movement type of the multi-rotor-wing unmanned plane is limited through a mechanical structure; three single degrees of freedom, including rolling, pitching and heading, of the flight control system of the unmanned plane can be debugged independently, and the three degrees of freedom can be debugged comprehensively; after control responses of the multi-rotor-wing unmanned plane are observed when the protecting device runs on different modules, actual performance of new skills and new methods which are used by the unmanned plane are clear; and self-stabilization of the flight control system can be subjected to functional partitioning, research and development engineering management is facilitated, debugging of the unmanned plane can be protected, possible property loss caused by blind trial flight is avoided, research and development risks and difficulties are reduced, and development of the industry of multi-rotor-wing unmanned planes is promoted.
Owner:NORTHWEST A & F UNIV

Dangerous and old building monitoring system based on Beidou positioning technology and dangerous and old building monitoring method based on Beidou positioning technology

The invention discloses a dangerous and old building monitoring system based on the Beidou positioning technology. The dangerous and old building monitoring system comprises a, an inclination and settlement monitoring module which is used for extracting the inclination characteristic quantity of the monitored house building in real time; b, a crack monitoring module which is used for monitoring the crack width of the monitored house building in real time; c, a stress-strain monitoring module which is used for performing real-time stress-strain characteristic quantity monitoring on the monitored house building; d, a dynamic characteristic monitoring module which is used for monitoring the change of the dynamic characteristic after internal damage of the monitored house building; e, an information processing module which is used for receiving the monitoring data outputted by the inclination and settlement monitoring module, the crack monitoring module, the stress-strain monitoring moduleand the dynamic characteristic monitoring module; f, a BDS positioning system; g, an auxiliary monitoring module; h, a central processing module; i, an intelligent analysis cloud platform; and j, a client side module. The advantages are that safety warning of the dangerous and old building can be realized.
Owner:张天骏

Multifunctional power distribution cabinet for communication base station

The invention discloses a multifunctional power distribution cabinet for a communication base station. The cabinet comprises a cabinet body, and a partition plate is arranged in the cabinet body. Thespace between the upper end face of the partition plate and the cabinet body is filled with a fire extinguishing agent. An installation cylinder is inserted into the partition plate, a sliding block is connected into the installation cylinder in a sealing and sliding mode, and a linkage mechanism is arranged on the sliding block. A plurality of ventilation openings are symmetrically formed in thecabinet body, and a plurality of closing mechanisms corresponding to the ventilation openings are arranged on the cabinet body. A rotating shaft is installed in each ventilation opening through a torsional spring, and a fan is arranged on each rotating shaft. According to the invention, external energy input is not needed, the fans are driven to rotate periodically by gasification and liquefactionof evaporated liquid, so that hot air in the cabinet body is exhausted intermittently, external cold air is sucked in intermittently, the flowing speed of the air in the cabinet body is increased, the cooling and heat dissipation effects are obvious, and energy conservation and environmental protection are achieved. Meanwhile, when a fire occurs in the cabinet body, the fire can be extinguished in time, and spreading of the fire is avoided.
Owner:尹俪橦
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