Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

76results about How to "Avoid driving accidents" patented technology

Detecting method and device for failure of automatic air brake system of train

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.
Owner:LOCOMOTIVE & CAR RES INST OF CHINA ACAD OF RAILWAY SCI

Automobile intelligent control method and control system

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.
Owner:ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD +1

Electrohydraulic automobile emergency braking mistakenly-stepping prevention accelerator pedal device

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.
Owner:HUBEI UNIV OF AUTOMOTIVE TECH

Multi-functional car shower head type windshield wiper

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.
Owner:WUHAN UNIV OF TECH

Vehicle and road cloud remote control system and method based on quantum encryption

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.
Owner:安徽冠盾科技有限公司

Fatigue driving early-warning and alleviating system for new energy automobile

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.
Owner:BRILLIANCE AUTO

Oil-water separator for compressed air and heatless regeneration type compressed air dryer

PendingCN107469532ARealize drainage and oil dischargeSimple structureCombination devicesGas treatmentEngineering
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.
Owner:ZHUZHOU LINCE GRP

Intelligent electronic wheel stopper for track train and application method of intelligent electronic wheel stopper

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.
Owner:中铁十局集团电务工程有限公司

Electric-control braking device for car and working method thereof

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.
Owner:安徽航途智能科技有限公司

An online monitor for the wear condition of locomotive brake shoe and tire

The invention discloses an online monitor of abrasion working conditions of a locomotive braking brake-shoe and a wheel rim. A working condition of a brake is detected through displacement sensors. Provided is a novel sensor for monitoring working conditions, namely braking or buffering of an inner unit brake and an electric locomotive unit brake. According to the novel sensor, an open-loop control for a locomotive braking device is changed into a closed-loop control and a locomotive operator can realize working conditions of each unit brake at any time through a computer when the locomotive runs or prepares to work. According to the online monitor of the abrasion working conditions of the locomotive braking brake-shoe and the wheel rim, locomotive operating accidents caused by relax separation, wheel tread separation or insufficient braking force of locomotive wheelsets due to faults of the unit brakes are prevented, and important significance is brought to guarantee of safe locomotive operation. According to the online monitor of the abrasion working conditions of the locomotive braking brake-shoe and the wheel rim, the two displacement sensors and an installation position are used for detecting various parameters and used for calculating the thickness of the brake-shoe, an abrasion degree of the wheel to a wheel tread and a buffering reaching degree of the brakes. Meanwhile, signals generated by mechanical changes of the sensors are converted into the thickness of the brake-shoe, the abrasion degree of the wheel tread and the buffering reaching degree of the brakes.
Owner:HUNAN RAILWAY PROFESSIONAL TECH COLLEGE

Metro construction rail car signal lamp and environment brightness detection device

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.
Owner:CHINA RAILWAY FIRST GRP CO LTD +1

Obstacle image display method, electronic equipment and computer readable medium

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.
Owner:禾多科技(广州)有限公司

Locomotive traction motor axle suspension bush machining device

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.
Owner:襄阳中车电机技术有限公司

Small fisheye lens with high resolution and application thereof

The invention provides a small fisheye lens with high resolution and application thereof. A first lens, a second lens, a third lens, a diaphragm, a fourth lens, a fifth lens, a sixth lens, a filter disc and an image plane IMA are sequentially arranged in the incident direction of an optical axis; the first lens has negative focal power, the object side surface is a convex surface, and the image side surface is a concave surface; the second lens has negative focal power, the object side surface of the second lens is a convex surface, and the image side surface is a concave surface; the third lens has positive focal power, the object side surface of the third lens is a convex surface, and the image side surface is a convex surface or a concave surface; the fourth lens has positive focal power, the object side surface of the fourth lens is a convex surface, and the image side surface is a convex surface or a concave surface; the fifth lens has negative focal power, the object side surface of the fifth lens is a concave surface, and the image side surface is a concave surface or a convex surface; the sixth lens has positive focal power, the object side surface of the sixth lens is a convex surface, and the image side surface is a convex surface; the structure is simple, miniaturization of the lens module is facilitated, the cost is low, the lens has high resolution and clear imaging, and meanwhile the lens has high relative illumination and better image illumination uniformity.
Owner:SIRTEC INT SUZHOU
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products