77results about How to "Avoid driving accidents" patented technology

The invention relates to a detecting method for the failure of an automatic air brake system of a train, which comprises the following steps of: receiving and storing a train pipe pressure and a brake cylinder pressure transmitted by a sensor and acquired in a sampling period; obtaining first train pipe pressure and first brake cylinder pressure acquired in the sampling period as well as second train pipe pressure and second brake cylinder pressure acquired before a certain times of the sampling period; and judging whether the brake system is in failure according to the change of the first train pipe pressure relative to the second train pipe pressure and according to the change of the first brake cylinder pressure to the second brake cylinder pressure, wherein failure prompting information is output when the brake system is judged to be in failure. Correspondingly, the invention also relates to a detecting device for the failure of an automatic air brake system of a train, and monitoring and alarming equipment for the braking of the train. When the detecting method, the detecting device and the monitoring and alarming equipment are adopted, the online detection on the failure of the automatic air brake system of the train can be realized in real time, and the reliability and the accuracy of the detection result can reach a higher level.

The invention provides an automobile intelligent control method and control system. The automobile intelligent control system comprises an ECU, a voice control subsystem and a touch screen control subsystem. The voice control subsystem comprises a voice collection device and a voice recognition device, wherein the voice collection device is used for collecting voices of a user and enabling the voices to form voice signals, and the voice recognition device is in signal connection with the voice collection device and is used for receiving the voice signals from the voice collection device and analyzing voice control commands from the voice signals. The touch screen control subsystem is used for displaying a control interface and receiving user touch screen motions which form touch motion signals, and analyzes touch control commands according to the touch motion signals. The ECU is respectively in signal connection with the voice control subsystem and the touch screen control subsystem, and is used for obtaining the voice control commands and the touch control commands, and generating control commands sent to an executive component according to the voice control commands and / or the touch control commands. According to the technical scheme, the automobile intelligent control method and control system improve safety and enable a driver to operate an automobile more conveniently.

The invention discloses a driving behavior control system. The driving behavior control system comprehensively judges car driving states and whether a car is in a dangerous driving states or not through collecting various index parameters in car driving process, and imposes restrictions on the dangerous driving behavior according to the judgment. The technical scheme of the driving behavior control system includes that data collected by a car sensor, an electronic map device and a global positioning system (GPS) device are stored into a car safety black box device; a car driving state judging device reads the collected data from the car black box device, judges out the driving state of the car by combining prestored feature data of car driving state models, and obtains a result that whether the car is currently in the dangerous driving state or not by further combining prestored indexes of the dangerous driving state; and actions which restrict the driving behavior are done according to the judgment.

The invention relates to an intelligent shunt circuit for a section track and a route type piecewise unlocking method, which solve the technical problems of frequently generating accidents caused by ill track shunt circuits in the prior art and avoiding potential safety hazards caused by three-point piecewise unlocking. The route type piecewise unlocking method comprises the following steps of: converting analog voltage pulse signals into digital voltage signals by a track circuit with the help of an A / D (analog / digital) conversion circuit; judging the occupancy condition of the section track according to a curved line of the digital voltage signals; connecting a track circuit of a first section track and a track circuit of a second section track of a next-stage route in parallel; and respectively transmitting the collected voltage signals into a CPU1 (central processing unit 1) of the stage route. The route type piecewise unlocking method can effectively reflect the occupancy condition of the last section track of the stage route, and the routes can be better connected.

The invention relates to a vehicle driver anti-drowsy automatic emergency stop device which comprises a video camera and an image processing single board computer, and has the technical key points that the video camera is arranged at the position corresponding to the eye part of the sight line in front of a driver inside a cab; a video image output end of the video camera is connected with the image processing single board computer, and an input end of the image processing single board computer is also respectively connected with an engine rotating speed signal output end and a running speed signal output end of a vehicle computer; an output end of the image processing single board computer is respectively connected with an accelerator controller, a braking controller, an alarm device andan input end of a dual flash relay. Once the driver has the drowsy dangerous situation when in driving, an execution driving controller can lead the driver to be converted into a safe state by the functions of audible alarm and controlling dual flash, brake force and an accelerator. The device has simple structure and reliable use, and can effectively prevent the driving accident caused by the driver who dozes off when in driving.

The invention relates to a control device for preventing mistakenly pedaling of the accelerator pedal of a car. The device comprises a brake pedal, an accelerator pedal, a transmission shaft of the brake pedal, a transmission shaft of the accelerator pedal, an automatic brake disc, a time sensor, an oil way control switch, an auto-control safety system assembly for preventing mistakenly pedaling of the accelerator pedal of a car mistakenly, and the like. The invention has the advantages that a driver pedals the accelerator pedal of a car when meeting an emergency, with the functions of the time sensor, the oil way control switch and the like, the oil supply can be cut off timely, simultaneously, the auto-control safety system assembly for preventing mistakenly pedaling of the accelerator pedal of a car sends instructions to a hydraulic braking system, the hydraulic braking system applies braking force on the brake pedal to brake the moving car, thereby car accidents are avoided.

A digital communication equipment and method for the integrated radio digital warning system of locomotive features that a 800-MH2 integrated digital radio station with 821.2375 MH2 as receiving frequency and 866.2375 MP2 as transmitting frequency is used. Its advantages are no cross-talking interference, and high transmission power.

The invention discloses an anti-collision radar early warning system of a railway bridge. The system comprises a host computer, and an X wave band radar detection device, a wireless communication device, a sound-light alarming device and a recording device which are connected with the host computer. The X wave band radar detection device is installed on a bridge pier. Ships sailing in a preset region in front of the bridge pier are detected by use of X wave bands, and detected data is sent to the host computer in real time. The host computer determines region and time where the ships locating in according to the received data, and executes corresponding operation for the region, thereby achieving the anti-collision early warning and collision warning for the bridge pier.

The invention discloses an automobile safe driving early-warning system, and comprises short-distance / long-distance automobile safe driving early-warning system and methods. The short-distance automobile safe driving early-warning system comprises radar sensors arranged in the periphery of a vehicle body, a vehicle body motion sensing sensor group, a driving track prediction module, an automobile commutation network module and a display unit. An early warning system of dynamic neighbor automobile network is constructed for a vehicle and neighbor vehicles in the surrounding, the whole constructed system is displayed in a vehicle-mounted screen terminal in real time, driving accidents can be avoided effectively, and hidden safety troubles are reduced.

The invention discloses a networking operation dispatching system for railway vehicles based on electronic intervals. The networking operation dispatching system comprises interval terminal relay computers, communication ranging antennas along with rails, locomotive response computers along with locomotives, and a road network computer, wherein each interval terminal relay computer is installed at the endpoint of each electronic terminal; the communication ranging antennas along with the rails are as long as the electronic terminals, one end of each communication ranging antenna is connected with each interval terminal relay computer, and the other end of each communication ranging antenna is free; each locomotive response computer is installed on each locomotive and is in communication with each corresponding interval terminal relay computer in each electronic interval through each communication ranging antenna along with the rail; the road network computer is connected with all the interval terminal relay computers to form a network; and railway safety detection sensors are installed among the electronic intervals. The networking operation dispatching system can overcome the difficulties in unified schedule and command in a method of improving locomotive operation density and preventing collision and rear-end collision of the locomotives in the electronic intervals, and can realize mutual information communication between the locomotives as well as between the locomotives and the road network.

The invention provides an electrohydraulic automobile emergency braking mistakenly-stepping prevention accelerator pedal device which comprises an accelerator pedal and a brake pedal, wherein an electrohydraulic mistakenly-stepping linkage device is arranged on the accelerator pedal; the electrohydraulic mistakenly-stepping linkage device comprises a push rod, a piston cylinder, a membrane, a control valve and a hydraulic storage tank; one end of a push rod is connected with a hinged shaft of the accelerator pedal, and the other end of the push rod is hinged with a piston of the piston cylinder; the hydraulic storage tank is arranged above a piston cylinder body, and the control valve is arranged between the cylinder body and the hydraulic storage tank; the membrane is arranged in the cylinder body; an assistance motor circuit on-off switch is arranged on the membrane; an assistance motor circuit contact is arranged at the right end of the cylinder body; one end of the assistance motor circuit contact is in series connection with a storage battery low voltage loop, and the other end of the assistance motor circuit contact is connected with an assistance motor; a motor reducer is arranged on the assistance motor; and the motor reducer is connected with a brake pedal arm through a drawing wire. The device obeys normal operation; the structure is simple, the cost is low, and the braking is accurate; and travelling accidents caused by mistakenly stepping the accelerator pedal can be effectively avoided, and the safety of an automobile is improved.

The invention discloses a multi-functional car shower head type windshield wiper. The multi-functional car shower head type windshield wiper comprises a windshield wiper arm, a connecting device, a wiper body and a windshield wiper strip which are connected in sequence, wherein, the wiper body comprises an upperbody, a connecting body and a lowerbody which are connected in sequence; a plurality of water outlet holes are formed in the lowerbody, and a plurality of air outlet holes are formed in the connecting body; the air outlet holes are connected with an air pump through pipelines, and the water outlet holes are connected with a water pump through pipelines; the windshield wiper strip is provided with a scraping piece and a soft brush, installed on the end surface of the lowebody and rotates relative to the lowebody of the windshield wiper strip; and a groove is formed in the end surface of the lowerbody, when the windshield wiper strip stretches out and draws back, the windshield wiper strip is stored in the groove or stretches out of the groove, and when the windshield wiper strip rotates, the scraping piece and the soft brush which are used for replacing the windshield wiper strip are made to run. By means of the multi-functional car shower head type windshield wiper, the cleaning efficiency of the windshield wiper is improved, and meanwhile, the wind resistance of the windshield wiper is reduced.

The embodiment of the invention provides a method for rewriting a transponder message. The method comprises the following steps of: receiving a first transponder message which is to be written into a transponder to be rewritten; reading a first key variable in the first transponder message; reading a second key variable in a second transponder message which exists in the responder to be rewritten; and comparing that whether the first key variable with the second key variable are consistent or not, if yes, writing the first transponder message into the responder to be rewritten. According to the method, a step of monitoring the transponder message writing is additionally arranged, so that the transponder message can be effectively prevented from being written into the non-corresponding transponder, moreover, the checking and rewriting work of the transponder message is completed through a computer, the engineering technicians are not needed, thus, the possible risk that the engineering technicians do not write the transponder message into the corresponding transponder can be reduced, and the accuracy of on-site transponder message rewriting is ensured. In addition, the embodiment of the invention further provides a device for rewriting the transponder message.

The invention discloses a vehicle and road cloud remote control system and method based on quantum encryption. The control system comprises a cloud service platform, a quantum password service platform, a quantum password generation network and a vehicle-mounted terminal. The cloud service platform comprises a service platform end quantum encryption and decryption module, an information display module and a cloud control module, and the quantum secret service platform comprises a quantum key pool, a quantum key distribution service module and a key management service module. The vehicle-mounted terminal comprises a vehicle end quantum encryption and decryption module, a vehicle video switching module, a CAN communication module, a vehicle end signaling service module and a network monitoring module. According to the method, a traditional quantum encryption mode is creatively improved, and the communication safety performance can be greatly improved; in the remote control process, the system can be automatically switched to the road end to perform short-distance communication with the road end, and the road end directly communicates with the cloud end, so that stable interaction with the cloud end is facilitated, and safe cloud driving is realized.

The invention discloses a fatigue driving early-warning and alleviating system for a new energy automobile. The fatigue driving early-warning and alleviating system comprises an automobile controller, wherein in the technical essential, an input end of the automobile controller is connected with an output end of an electroencephalogram signal acquisition device through an upper computer, and an output end of the automobile controller is sequentially connected with input ends of a body controller, an air conditioner controller and a motor controller; an output end of the body controller is connected with input ends of a danger alarming flash lamp and a voice prompting device respectively; an output end of the air conditioner controller is connected with an input end of an electric air conditioner; and an output end of the motor controller is connected with an input end of a drive motor. The fatigue driving early-warning and alleviating system disclosed by the invention has the function of warning other vehicles by automatically turning on the danger alarming flash lamp through the body controller once a driver is in a fatigue driving state; or, accidents due to a too high driving speed of the automobile are avoided by controlling the drive motor to reduce a rotational speed through the motor controller; or the purpose of alleviating the fatigue of the driver is achieved by turning on the electric air conditioner to lower a temperature in the automobile through the air conditioner controller, thus converting the fatigue driving state to a safe state.

The invention discloses an existing railway line mileage lofting method based on an aerial survey technique. The method comprises the following steps of extracting of discrete point coordinates, forward projecting of the coordinates, complete railway mid-line generating, line mileage valuating, backward projecting of the coordinates and mileage lofting. According to the existing railway line mileage lofting method, accumulation of manual measurement errors and occurrence of gross errors are weakened, labor input is reduced, the working efficiency is improved, and train operation accidents caused when railway signals are disturbed by a steel rule are avoided; traditional existing line on-line operation can be replaced, the error tolerance requirement of railway mileage measurement can be met, and the mileage lofting precision can meet the standard requirement of 1 / 2,000.

The invention provides a method and a device for controlling vehicle driving. The method comprises the following steps of when traffic light is identified, collecting states of the plurality of traffic light at an intersection, which are not just the traffic light in a vehicle driving direction; and according to a logical relationship between the plurality of traffic light, determining the state of the traffic light in the vehicle driving direction so as to avoid a vehicle driving traffic accident caused by misidentification of the traffic light state in the driving direction due to backlighting and other scenes. A problem that vehicle control is prone to error due to low accuracy of the identification of the traffic light in a correlation technology is solved.

The invention discloses a system for monitoring the thickness of a brake pad in real time. The system comprises a distance sensor for detecting a gap between the brake pad and a brake disc, a microprocessor, a display and an alarm, wherein the distance sensor is installed at a position on the brake disc which is in contact with the brake pad. The display and the alarm are installed in a cab of anautomobile; the distance sensor is a laser ranging sensor; the microprocessor wirelessly transmits signals with the display and the alarm; and the microprocessor receives a distance signal between thebrake pad and the brake disc, converts the distance signal into brake pad thickness data for transmission to the display, and determines whether the current thickness is in a dangerous state. The system and method for monitoring the thickness of the brake pad in real time are simple and practical, the thickness of the brake pad is visually displayed through the display, and the current wear conditions of the brake pad and whether the brake pad needs to be replaced are judged.

The invention provides an oil-water separator for compressed air. The oil-water separator comprises an outer shell (1) and an inner shell (2), wherein the outer shell is arranged at the periphery of the inner shell; a guiding bar (3) which is of a spiral structure is arranged between the inner wall of the outer shell and the outer wall of the inner shell; a spiral gas guiding passage (30) is formed between the outer shell and the inner shell by the guiding bar which is of the spiral structure; the inner part of the inner shell is filled with filter filler (4) for filtering oil, water and impurities. According to the oil-water separator for the compressed air, provided by the invention, flow guiding is carried out on the compressed air by utilizing the spiral gas guiding passage arranged between the outer shell and the inner shell, the structure is simple, and the drying effect is good. In a heatless regeneration type compressed air dryer provided by the invention, the oil-water separator is arranged in a drying tower; the oil-water separation effect is good, the maintenance is convenient, and the cost is greatly reduced; the outer surface of a control valve is coated with a PTC (Positive Temperature Coefficient) heating plate by the heatless generation type compressed air dryer, so that the function of maintaining constant power is obtained, and the safety performance is good.

The invention relates to an intelligent electronic wheel stopper for a track train and an application method of the intelligent electronic wheel stopper. The intelligent electronic wheel stopper for the track train comprises a ground device, a sensor assembly and a host. The ground device comprises a braking landmark and wheel stopper devices. According to the intelligent electronic wheel stopper for the track train and the application method of the intelligent electronic wheel stopper, the situation of the wheel stopper devices can be detected in real time, train slipping, stealing of the wheel stopper devices and driving accidents caused by pressing of the wheel stopper devices are prevented, and the train operation accidents, caused by the train slipping, stealing of the wheel stopper devices and driving accidents caused by pressing of the wheel stopper devices, of the track train are avoided. In addition, an active electronic tag is adopted in a control signal source of the intelligent electronic wheel stopper for the track train, the tag is inserted into the wheel stopper only when used, installing is very convenient, and compared with other active wheel stoppers, a wheel stopper body is not provided with a complex circuit or a power source, and the fault caused by inappropriate storage is avoided.

The invention discloses an electric-control braking device for a car. The electric-control braking device comprises a first supporting surface, a second supporting surface and a braking motor, whereinthe first supporting surface is provided with a braking switch and a first pedal bracket; the second supporting surface is provided with a braking system, a guiding wheel and a fixed part; a brakingpull rope is connected with a rotary-shaft traction end of the braking motor; the braking motor is controlled to be started or stopped by a control system of the car; the control system of the car isconnected with a sensor. The electric-control braking device disclosed by the invention has the beneficial effects that the design is simple and reasonable; when emergent braking is needed due to suddenly-changed road conditions or other emergencies, if a driver can not take corresponding measures in time, the electric-control braking system can intervene automatically, the braking pull rope is pulled by the braking motor, a braking pedal is driven to move by action of a flexible shaft, the guiding wheel and a second pedal bracket so as to form a braking force, and after the braking is eliminated, an auxiliary braking system returns into a monitoring state again automatically, so that the driving accidents are prevented and the operating safety of the car is ensured.

The invention discloses a metro construction rail car signal lamp and environment brightness detection device, wherein the metro construction rail car signal lamp and environment brightness detectiondevice comprises a rail car head end, a high-definition camera is mounted at the top of an external side of the rail car head end, and an image processor, a display screen, a first attention device and a second attention device are mounted at the inside of the rail car head end. According to the metro construction rail car signal lamp and environment brightness detection device provided by the invention, by starting from the point of view of intelligent video monitoring, and taking machine vision as a basis, and based on video image processing related technologies and algorithms, aiming at specific structure characteristics of the rail car and analysis on operating and working characteristics of the rail car, a state of a signal lamp in front of an operation direction of the rail car and sudden change of lighting intensity of the inside of a tunnel are acquired in real time through the camera mounted at the top of an engine, images acquired are processed and analyzed automatically, a corresponding safety detection model is built, consequently, the rail car can detect the state of the signal lamp in front of the rail car and the sudden change conditions of the lighting intensity inan operating process, and intelligent pre-warning can be executed for a result of detection, thus, safety of the rail car in a traveling process is guaranteed.

The invention provides a positioning drift detection method, device and equipment and a computer readable storage medium. The method comprises the steps of acquiring travelling information of an unmanned aerial vehicle at a current moment; forecasting an expected travelling range of the unmanned aerial vehicle at a next moment according to the travelling information of the current moment, whereinpreset time interval exists between the current moment and the next moment; acquiring travelling information of the unmanned aerial vehicle at the next moment; and judging whether the travelling information at the next moment is in the expected travelling range or not, and executing corresponding operation according to a judgment result. By the method, whether drift is occurred or not can be accurately determined, the unmanned aerial vehicle can be further prevented from a travelling accident, and the travelling safety of the unmanned aerial vehicle is improved.

The embodiment of the invention discloses an obstacle image display method, electronic equipment and a computer readable medium. A specific embodiment of the method comprises the following steps: acquiring an image group shot by a vehicle-mounted camera of a vehicle; splicing the images in the image group to obtain a spliced image; inputting the spliced image into a preset visual detection model to obtain a dynamic obstacle detection information group, a static obstacle detection information group and drivable area detection information; adjusting the dynamic obstacle detection information group and the static obstacle detection information group to obtain a dynamic obstacle adjustment information group and a static obstacle adjustment information group; generating a collision prediction information group based on the dynamic obstacle adjustment information group and the static obstacle adjustment information group; generating an obstacle display information group and a driver operation prompt information group; and displaying the spliced image based on the obstacle display information group and the driver operation prompt information group. According to the embodiment, the safety of vehicle driving can be improved.

The invention discloses a locomotive traction motor axle suspension bush machining device, relates to devices for finish machining of an inner circle surface of an axle suspension bush of a locomotive traction motor, and mainly aims at solving the problems that due to the fact that an existing axle suspension bush is in the structure of two semi-circles, the existing axle suspension bush has certain deformation in a natural state after being machined so that the working performance of the existing axle suspension bush is affected, and the hidden danger of adhesion of the existing axle suspension bush and serious shaft locking in a running process can be caused. According to the locomotive traction motor axle suspension bush machining device, an upper tire body and a lower tire body form an inner cavity which is matched with the axle suspension bush in shape, one connecting edge of the upper tire body and one connecting edge of the lower tire body are connected through a hinge pin, the other connecting edge of the upper tire body and the other connecting edge of the lower tire body are fixedly connected through a bolt. Due to the fact that the closed space formed by the upper tire body and the lower tire body is in a hollow cylindrical shape and completely simulates an installing surface of the axle suspension bush of the locomotive traction motor, the axle suspension bush to be machined is installed in the inner circle surface formed by the upper tire body and the lower tire body in the machining process, and therefore the operation reliability of the axle suspension bush is improved, and the accidents of the adhesion of the axle suspension bush and the shaft locking in the running process are eradicated. The locomotive traction motor axle suspension bush machining device is simple to install, convenient to machine and capable of guaranteeing machining quality.

The embodiment of the invention provides a method and device for monitoring the working state of a turnout point switch, and the method comprises the steps: determining the corresponding to-be-monitored feature information according to a to-be-monitored current curve, wherein the to-be-monitored current curve is obtained through the drawing of the working current data collected by a target turnoutpoint switch; and inputting the to-be-monitored feature information into a state monitoring model to obtain state information output by the state monitoring model, with the state information being information representing whether the target turnout point switch works abnormally or not. The embodiment of the invention provides a method and device for monitoring the working state of the turnout point switch. Through the state monitoring model, the characteristic information of the current curve obtained by drawing the working current data collected by the target turnout point switch is subjected to state monitoring and recognition, the working state of the target turnout point switch can be tracked in time, and driving accidents of an on-orbit train are avoided.

The invention discloses a sharing method and device of vehicle positioning information, and an automobile. The sharing method of the vehicle positioning information comprises the following steps: judging whether a signal of a global positioning system GPS positioning device is detected; when not detecting the signal of the GPS positioning device, acquiring real-time location information by combining the positioning information acquired before the interruption of the signal of the GPS positioning device with a gyroscope; and sending out the real-time location information in a broadcast way. Onthe one hand, the real-time location information can be continuously acquired by combining the gyroscope even if the GPS positioning device is offline, and the accurate acquisition of the real-time location information is ensured; on the other hand, the interaction information content between the vehicles is reduced, the accuracy of the information reaching the vehicle is ensured, and the drivingaccident caused by information error is avoided.