44results about How to "Eliminate driving safety hazards" patented technology

The embodiment of the invention discloses a vehicle fault detection method and device, a vehicle and a storage medium. The method comprises the following steps of obtaining a vacuum pump starting state, a braking pedal state, the vacuum pressure of a vacuum pump sensor and the environmental pressure of an environment sensor; according to the vacuum pump starting state and the braking pedal state,determining a preset pressure change tendency, and according to the vacuum pressure and the pressure change tendency, detecting the faults of the vacuum pump sensor; and when the vacuum pump sensor isunder a normal working state, obtaining pre-stored vacuum pump ultimate pressure, and according to the ultimate pressure and the environmental pressure, detecting the faults of the environment sensor. By use of the technical scheme of the embodiment of the invention, the fault of a vacuum system is detected when the voltage of the vacuum sensor is under a normal range, the fault detection accuracy of the vacuum pump system is improved, and vehicle driving safety can be enhanced.

The invention discloses an automobile repair order grabbing method and system based on accurate automobile fault analysis. The automobile repair order grabbing system comprises a monitor-in car intelligent terminal, an automobile repair service terminal, an automobile owner maintenance operation terminal and an automobile repair order grabbing operation terminal. The automobile repair order grabbing method comprises the steps that an automobile owner publishes a vehicle fault order, and an automobile maintenance shop or a maintenance technician formulates a bidding maintenance quotation according to the matched vehicle fault order so as to complete bidding order grabbing operation; The vehicle owner checks all the bidding orders to check, screen and confirm, and the vehicle maintenance shop or the maintenance technician checks whether the confirmation state of the bidding orders is successful or not, so that the vehicle maintenance shop or the maintenance technician enters a maintenance waiting state; and after maintenance of the automobile maintenance shop or the maintenance technician is completed, maintenance completion information is sent to the automobile owner for confirmation. Accurate quotation and order grabbing can be carried out according to the fault diagnosis result, a vehicle owner can carry out three-family goods ratio and preferential order placing, transparentconsumption is increased, and the price negotiation capability of the vehicle owner is greatly improved.

The invention discloses a steering frame of a railway track car with flaw detection devices, which comprises a framework, the upper part of the framework is provided with a traction seat connected with a car body through a traction device; the lower part of the framework is provided with an elastic node seat which is connected with a shaft box body through an elastic node; the shaft box body is connected with wheel pairs; a support spring arranged on the framework, a horizontal shock absorber and a two-system vertical shock absorber form a two-system suspension system of the car body; a shaft box spring with one end supported at the upper part of the shaft box body and the other end supported at the lower end of the framework and a one-system vertical shock absorber arranged on the framework form a one-system suspension system of the car body; the end part of the framework is provided with a unit brake; the shaft box body is provided with flaw detection devices arrange at intervals along the direction of steel tracks; and detection wheels of the flaw detection devices are in direct contact with steel tracks between the wheel pairs. According to the invention, the manufacturing cost is lowered, the shock of the detection wheels is reduced, the flaw detection accuracy rate is improved; moreover, the steering frame has the advantages of good operation quality is good, high pass curve performance, small horizontal force of wheel tracks, reliable braking performance and great convenience in maintenance and can completely meet the requirement of steel track flaw detection with high flaw detection speed.

The invention relates to a powder metallurgy brake shoe, in particular to a powder metallurgy brake shoe with a bent welded structure, which comprises a steel backing, a skeleton, a plurality of friction blocks, a brake shoe nose and a stopping block, wherein a brake block is formed on one skeleton by sintering friction blocks; the skeleton is welded onto the steel backing. According to the invention, a plurality of friction blocks are welded onto one whole skeleton at the same time, and then, the whole skeleton is welded onto the steel backing, the powder metallurgy brake shoe has the benefits of large friction area, simple structure, high convenience for processing, short processing periods, low cost, low possibility of looseness and flaking off for brake blocks, and high safety.

The invention provides an automobile panoramic look-around system and method and an automobile, and the system comprises: a processor which is used for obtaining an automobile driving slope change value, and transmitting a look-around image angle adjustment instruction to a look-around controller if the slope change value exceeds a preset first threshold value; the look-around controller which isused for adjusting the angle of the image acquired by a camera unit according to the look-around image angle adjusting instruction; the camera unit which is used for collecting surrounding images of the vehicle and sending the images to a man-computer interaction display interface; and the human-computer interaction display interface which is used for displaying the look-around images acquired bythe camera unit. The problem that in the prior art, when a vehicle runs on a steep road surface, a driver cannot see the front road condition in the vehicle and can only see the sky, and thus the front view is located in a blind area, and safety risks exist is solved.

The present application relates to the technical field of safe vehicle driving in rainy and snowy days, and more particularly to an automotive door window glass heater, an automotive door window glassautomatic heating device and an automotive door window glass automatic heating method. The automotive door window glass heater includes two electrodes, two conductive elastic members, and a pluralityof heating mechanisms. The two electrodes have opposite polarities and are disposed on the door windows of the automobile. The two conductive elastic members correspond to the two electrodes respectively. Each conductive elastic member has an elastic free end. A certain gap is arranged between the elastic free end of each conductive elastic member and the corresponding electrode. The heating mechanisms are mounted on the door window glass of the automobile and are configured to heat the door and window glass. When the door window glass of the automobile are closed, the door window glass drives the positive and negative poles of the heating mechanisms to electrically touch the two conductive elastic members respectively, and force the elastic free ends of the two conductive elastic membersto be abutted against the two corresponding electrodes respectively. The automotive door window glass heater can eliminate the water and snow on the door window glass, improves the view of a road during changing a lane or turning in the rainy and snowy days, and improves the safety of the driving.

The invention discloses a powder metallurgy brake shoe structure and a machining method thereof. The brake shoe structure comprises a back plate, a steel backing, a friction body and a shoe back component. The back plate is fixed to the arc in the shoe back component, the steel backing is located on the inner arc of the back plate, and the friction body is fixed to the steel backing. The shoe back component is composed of a shoe back body, arc check blocks, boss locating pins and a curved shoe nose, the arc check blocks, the boss locating pins and the curved shoe nose are arranged on the shoe back body, and the arc check blocks, the boss locating pins, the curved shoe nose and the shoe back body are integrated. A weld joint formed by welding the steel backing and the shoe back body on a brake block in the middle of a brake shoe is connected with weld joints formed by welding the steel backing and the shoe back body on brake blocks on the two sides of the brake shoe into a whole, the situation that in the frequent brake process of a currently-used shoe brake on a locomotive, weld joints of welding parts crack, and especially weld joints crack and even fall off in the welding process of a shoe brake nose on the brake shoe can be avoided within the service life of the shoe brake, and potential running safety hazards are eliminated.

The invention relates to a relay service life obtaining method and device, a storage medium, electronic equipment and a vehicle. The remaining service life of a high-voltage relay can be accurately estimated. The invention discloses a high-voltage relay life obtaining method. The method comprises the steps of obtaining current life loss of a high-voltage relay, wherein the current life loss comprises first life loss caused by current closing and opening times; wherein the second service life loss is caused by the voltage difference between the two ends of the high-voltage relay in the currentclosing period, the third service life loss is caused by transient current in the current opening period, and the fourth service life loss is caused by electrifying current and temperature in the current charging and discharging accumulation time in the whole vehicle using process; and normalizing the obtained current life loss to obtain the residual service life of the high-voltage relay.

The invention discloses a vibration damping type motorcycle foot rest. The vibration damping type motorcycle foot rest comprises a foot rest body and a foot rest rack used for installing the foot rest body and capable of being fixed to a motorcycle frame. The inner end of the foot rest body is hinged to the foot rest rack. At least two rubber vibration damping bases are arranged on the foot rest rack. Positioning poles capable of being embedded into the rubber vibration damping bases to achieve positioning are arranged at the bottom of the foot rest body. Vibration, transferred to a driver and a passenger, of a motorcycle body can be effectively buffered, and the comfort degree of the driver and the passenger is increased; the driver and the passenger can keep balance easily. The influences on gear shifting and braking of the driver are avoided or reduced, so that potential safety hazards of driving are effectively eliminated and the driving safety of a motorcycle is ensured to the maximum extent.

The embodiment of the invention provides an accelerator opening signal adjusting method, device and equipment, a storage medium and a system. The accelerator opening signal adjusting method comprisesthe steps that an accelerator opening signal value sent by an accelerator pedal position sensor is received; if the accelerator opening signal value is larger than or equal to the preset accelerator opening safety threshold value, the change value, sent by the main driving seat position sensor, of the longitudinal displacement of the main driving seat is obtained; if the change value of the longitudinal displacement of the main driving seat is equal to the preset longitudinal displacement safety threshold value, a current control instruction is generated, and an accelerator opening signal value of the current control instruction is an accelerator opening signal value corresponding to an existing change value of the longitudinal displacement of the main driving seat, wherein the change value of the longitudinal displacement of the main driving seat is closest to and smaller than a preset longitudinal displacement safety threshold value in time; and the vehicle is controlled to run according to the accelerator opening signal value of the control instruction, the phenomenon of vehicle rushing or stall is avoided, driving safety hazards are eliminated, and then safe driving of a driveris guaranteed.

The embodiment of the invention discloses a semaphore system for a rail transit, a semaphore and a train. The semaphore system comprises a state transmitter arranged on a semaphore and a receiver arranged on the train. The semaphore encodes the current signal lamp state of the semaphore into the signal lamp state data through the state transmitter in real time, and the receiver on the train receives the signal lamp state data and analyzes the signal lamp state of the semaphore. Through the signal system, the driver can know the signal lamp status of the signal through the receiver on the trainduring the driving process, and make different control strategies. As that naked eye of the drive is no longer required to discriminate the signal lamp state, the misjudgment of the signal lamp statedue to weather, driving at night or fatigue of the driver is avoided, and the behaviors of the drive that endanger driving safety such as rash advance under the misjudgment of the signal lamp state are avoided, and the hidden danger of driving safety is eliminated.

The invention relates to the technical field of railway vehicles, and provides a cab framework, a cab and a vehicle. The cab framework comprises a cab rear end beam and is suitable for being connectedto a cab hood through the cab rear end beam. A water guide groove is suitable for being connected between the cab rear end beam and the cab hood, the water guide groove is provided with a water guideopening, and the water guide opening faces a splicing seam between the cab rear end beam and the cab hood. According to the cab framework provided by the embodiment of the invention, the water guidegroove is formed between the cab rear end beam and the cab hood, so that seepage water between the cab rear end beam and the cab hood can be collected and discharged, the seepage water can be effectively prevented from entering the cab, and the influence of external seepage water on equipment in the cab is avoided; and the potential safety hazard of driving caused by water seepage is eliminated. Moreover, the cab framework is simple in structure, easy to implement and low in cost.

The invention discloses a motorcycle pedal assembly which comprises a foot containing body and a foot rest which is used for installing the foot containing body and can be fixed to a frame of a motorcycle. The inner end of the foot containing body is hinged to the foot rest and an air bag is additionally arranged between the foot containing body and the foot rest. By the adoption of the motorcycle pedal assembly, vibration generated by the motorcycle and transmitted to a driver and a rider can be effectively buffered, the comfort degree of the driver and the rider is increased, balance can be kept for the driver and the rider, gear shifting operation and braking operation performed by the driver are not affected or slightly affected, potential traveling safety hazards are effectively eliminated, and the traveling safety of the motorcycle is guaranteed to the maximum degree.

The invention provides a brake control method and device for a maglev train. The maglev train is dragged and braked through a long-stator synchronous linear motor. The brake control method comprises the steps of determining the initial braking distance of the maglev train; selectively compensating the initial braking distance according to a stator section step changing method of the long-stator synchronous linear motor to determine a reference braking distance; determining a reference braking curve according to the reference braking distance; and determining the reference speed of the current position in real time according to the reference braking curve and a preset speed limiting curve, so that braking of the maglev train is controlled. The invention further provides a device for achieving the brake control method. According to the braking control method and device of the maglev train, the problem that operation control is uncertain due to power change in the operation process of the maglev train is solved, and particularly in the process of controlling braking of the train, it can be guaranteed that the train is accurately braked, the speed limiting requirement is met, and accurate parking is achieved.

The invention discloses an active safety auxiliary driving system based on real-time state monitoring of a driver, and the system carries out driver emotion recognition and / or driver behavior intelligent analysis and / or driver seat sensing monitoring data analysis, and carries out operations such as automatic speed control and the like to control vehicle actions. According to the system, the real-time emotion, the driving behavior and the fatigue state of the driver in the driving process are monitored in real time, the driving state of the vehicle is intelligently controlled in a linkage mode according to the monitoring result, and / or a safety warning is formed for the driver, so that the traffic safety of operating vehicles such as two passengers, one danger, one cargo and one school is guaranteed from the perspective of the driver.

Belonging to the technical field of tire repair fluids, the invention discloses a tire repair fluid with high discrimination, which is composed of the following raw materials by weight: 20-30 parts of natural latex; 20-30 parts of an anti-freezing agent; 15 to 25 parts of water; 5-10 parts of a mixed auxiliary agent; 5-10 parts of a recognition additive; the tire repairing liquid is prepared by mixing the natural latex, the anti-freezing agent, the water, the mixed auxiliary agent and the recognition additive, the anti-freezing agent and the water are fully mixed through the mixed additive, the viscosity is increased, and the punctured position of a tire is repaired through the natural latex; the fluorescent agent in the identification additive can enable a driver to well judge whether the tire repair liquid continues to overflow or not at night, so that the identification degree is high, the tire repair condition of the tire repair liquid can be judged, and the potential safety hazard of driving is eliminated.

The present application relates to the technical field of vehicle safety driving in rainy and snowy days, in particular to a heater for door and window glass of an automobile, an automatic heating device and an automatic heating method thereof. The automobile door and window glass heater includes two electrodes, two conductive elastic parts and several heating mechanisms. The polarities of the two electrodes are opposite and are arranged on the door and window of the car, and the two conductive elastic parts correspond to the two electrodes respectively. The conductive elastic parts have elastic free ends, and there is a certain gap between the elastic free ends of each conductive elastic part and the corresponding electrodes. The heating mechanism is installed on the door and window glass of the car and is used to heat the door and window glass. When the door and window glass closes the car door and window, the positive and negative poles of the heating mechanism driven by the door and window glass respectively electrically touch the two conductive elastic parts, and press the elastic free ends of the two conductive elastic parts to respectively bear against the corresponding two electrodes. The application can eliminate water stains and snow accumulation on door and window glass, improve driving vision when merging and turning in rainy and snowy days, and improve driving safety.

The invention discloses a vibration isolation pedal which comprises a leg supporter body and a leg supporter frame for installing the leg supporter body, wherein the inner end of the leg supporter body is articulated with the leg supporter frame, at least two rubber vibration damping seats are arranged on the leg supporter frame, and a positioning rod capable of being embedded into the rubber vibration damping seats to realize positioning is arranged at the bottom of the leg supporter body; and the leg supporter frame comprises a seat frame and a connecting frame for being fixed on a frame of a motorcycle, a cylindrical connector is formed at the inner end of the seat frame, a shaft sleeve is arranged at the connecting end of the connecting frame and the seat frame, and the connector penetrates through the shaft sleeve through a vibration damping lining so as to realize connection and fixation. The vibration isolation pedal can effectively buffer the vibration of the motorcycle and prevent the transfer of the vibration to a driver and a passenger, so that the comfort of the driver and the passenger can be improved , the driver and the passenger can keep balance easily and the influence to the operations of the driver for engaging a gear and braking can be avoided or relieved, thereby effectively eliminating potential safety hazards in running and ensuring the safety of the motorcycle in running to the maximum extent.

The invention relates to the technical field of motorbikes, in particular to a vibration-reduction type motorbike leg supporter. The vibration-reduction type motorbike leg supporter includes leg supporter bodies, foot rests are horizontally arranged below the leg supporter bodies, mounting plates are welded to the top of the foot rests, and mounting holes which communicate with each other are formed in two ends of the foot rests and the mounting plates; limiting devices are arranged in the mounting holes, and the top of the mounting plates are provided with vibration reduction mechanisms. According to the vibration-reduction type motorbike leg supporter, the vibration generated by motorbikes can be effectively buffered to improve the comfort of drivers and facilitate balance of the drivers, and the operations of engaging a gear and braking the motorbikes of the drivers are not affected or alleviated, so that the potential safety hazard during driving can be effectively eliminated, andthe driving safety of the motorbikes can be ensured to the maximum.

The invention discloses a method for searching for non-standard requirements of locking rail temperature data of a seamless track, and the method comprises the following steps: 1, performing the following processing on a common seamless track locking rail temperature data EXCEL table: 1) inserting a header into five blank rows, wherein the first row is used for starting a software row; 2) making title bars of error types in the second row and the fourth row; 3) employing the third row and the fifth row for summarizing error data to a corresponding title bar after software inspection; 2, programming: 1) setting corresponding program starting conditions; 2) after the program is started, firstly reading the maximum serial number in the column A serial number column of the EXCEL table, and taking the serial number as a termination condition of program cycle operation; 3) performing programming according to the modules set in the previous step, determining whether the seamless track lockingrail temperature data meet the standard requirements or not through operation, and summarizing the non-compliant data into corresponding columns of the third row and the fifth row according to the error categories.

The invention discloses a steering wheel. According to the invention, a driver can execute a simple and repeatable dialing action along with loud sound so as to relieve anxiety which may occur in a driving process. The steering wheel comprises a lower ring framework integrated with a spoke and an upper ring framework; the diameter of the tail end of the upper ring framework is smaller than that ofthe framework body; the tail end of the lower ring framework is in the shape similar to a hollow sleeve, the tail end is inserted into the tail end through a limiting ring, the limiting ring can be switched between a first state and a second state, and when the limiting ring is in the first state, the upper ring framework and the lower ring framework are fixed. And when the limiting ring is in the second state, the upper ring framework can be driven by force to generate angular deflection relative to the plane where the lower ring framework is located.

The invention discloses a drum-typed floating brake shoe bi-direction pushing structure brake which comprises a brake body which comprises a bake hug, a friction plate, a left brake shoe block, a right brake shoe block and a tension spring. The left brake shoe block and the right brake shoe block are movably connected by a hinge pillar. The brake is characterized in that: a cam is arranged at theother side opposite to the hinge pillar and between the left brake shoe block and the right brake shoe block; a round pin is arranged at the side of the hinge pillar and between the left brake shoe block and the right brake shoe block; and the position, at which the left brake shoe block and the right brake shoe block are matched with the round pin is an inclined plane. In the brake of the invention, both the coupling ends and the movable ends of the brake shoe blocks are outward stretched, thus increasing the contacting area between the brake shoe blocks and the inner side surface of the brake hub and keeping the contacting area to be unchanged; the brake ensures uniform brake and uniform temperature rising caused by braking, can reduce the abrasion of the brake hub, cause difficult fracture of the brake hub, prolong the service life of the brake hug, eliminate traffic safety hidden trouble, and ensure safety.

The invention discloses a beautiful scene shooting method, which comprises the following steps: acquiring target scenic spot information on a navigation route according to a preset user preference scenic spot type and the acquired navigation route of a vehicle; wherein the target scenic spot information comprises position information of a target scenic spot and a scenic spot type of the target scenic spot; and acquiring real-time position information of a vehicle, and shooting the target scenic spot according to the real-time position information and the target scenic spot information to obtain a target scenic spot photo. The invention further discloses a beautiful scene shooting device. According to the embodiment of the invention, the user preference scenic spot type is considered, the target scenic spot information on the navigation route is obtained, the real-time position information and the target scenic spot information of the vehicle are combined, the target scenic spot is automatically shot, the driving potential safety hazard caused by manual observation of the scenery outside the vehicle and manual shooting of the scenic spot is avoided, and the scenic spot shooting quality is improved.

The invention discloses a tunnel lighting control system with dynamic configuration of lighting segment structures. It is composed of lighting group in the tunnel, stepless dimming controller, vehicle detector, illuminance meter, and host computer. The lighting group in the tunnel is divided into the lighting group in the entrance section, the lighting group in the dynamic configuration section, the lighting group in the middle section and the lamps in the exit section. The lamps in the group of lamps in the dynamic configuration section are controlled independently by a single lamp. The host computer adjusts the brightness of different lamps in the group of lamps in the dynamic configuration section according to the ambient brightness and traffic flow outside the tunnel, so as to realize the control of the length of each lighting section in the tunnel. and dynamic configuration of brightness. The invention realizes the smooth transition of lighting brightness in tunnel lighting, solves the problem of human eye discomfort caused by sudden changes in brightness, realizes on-demand lighting at the same time, improves the energy saving, safety and comfort of tunnel operation, and can be widely used In the field of tunnel lighting control such as urban road tunnels and highway tunnels, it is especially suitable for extra-long tunnels and continuous tunnel groups in mountainous areas.