38results about How to "Avoid Major Traffic Accidents" patented technology

The invention relates to a device for preventing faulty operation for using an accelerator as a brake by mistake based on computer vision, which comprises a vision sensor, an embedded system, a vehicle speed measuring unit, a vehicle driving angle measuring unit, a distance measuring unit, a voice alarm unit, an accelerator control unit, a brake control unit and a power supply unit, wherein the embedded system is used for reading the information of driving speed of a vehicle, a vehicle steering wheel angle, a video image of a front road of the vehicle, and the like, estimating a barrier distance on the front road and calculating a driving risk factor and driving risk change tendency according to the barrier distance, the vehicle steering wheel angle and the speed of the vehicle. The invention makes a corresponding driving decision according to the driving risk factor and the driving risk change tendency, controls the voice alarm unit to produce drive warning sound according to the driving decision, controls the accelerator control unit to allow the action effectiveness of stepping the accelerator by a driver and controls the brake control unit to control the automatic brake of the vehicle.

The invention discloses a high-precision map road information rapid generation system and method based on space-time trajectory reconstruction. The system comprises a track reconstruction module, a lane determination module, a lane separation module, a lane boundary line drawing module and a multi-data synthesis fusion module, wherein the track reconstruction module performs reverse space-time reconstruction of a vehicle driving track by utilizing the vehicle track information acquired by a roadside sensing unit and a vehicle-mounted unit, the lane determination module determines a lane according to a distance between vehicle driving tracks, the lane separation module draws a lane separation line at a midpoint of connecting lines of middle points of the adjacent single lane tracks, the lane boundary line drawing module draws a lane boundary line according to the vehicle driving track direction and the driving speed by taking the lane separation line as the reference and combining the road standard width and various line widths, and the multi-data synthesis fusion module fuses the collected roadside sign information with a map. The system is advantaged in that problems that an existing diversion high-precision map drawing process is complex, and special conditions of a road surface cannot be reflected in time are solved.

The invention discloses an intelligent wheel hub bearing unit, which comprises a mandrel, an outer ring and a half shaft, wherein the outer ring is provided with an inner hole, the local part of the mandrel extends out of the inner hole of the outer ring, the mandrel and the inner hole of the outer ring are in rotating matching, the mandrel is provided with an inner hole, one end of the half shaft movably extends into the inner hole of the mandrel, one end of the half shaft is fixedly connected with a star-shaped sleeve through screw threads, the star-shaped sleeve is positioned in the inner hole of the mandrel, the star-shaped sleeve forms a plurality of straight groove passages, and the straight groove passages are parallel to the axial line of the half shaft. Correspondingly, a plurality of straight groove passages are also formed on the inner hole wall of the mandrel, the straight groove passages are parallel to the center line of the inner hole of the mandrel. Universal joint rolling bodies are placed between the corresponding straight groove passages of the inner hole of the mandrel and the star-shaped groove, the inner hole of the mandrel is clamped into the O-shaped ring, the half shaft passes through the O-shaped ring, the half shaft and the O-shaped ring are movably matched, the O-shaped ring is blocked at the inner end of the star-shaped sleeve, and a film type temperature/vibration acceleration sensor is arranged on the outer wall of the outer ring. The intelligent wheel hub bearing unit can realize the real-time monitoring, the warning can be realized when abnormality occurs, and the maintenance can be carried out in time.

Disclosed is a mis-tread preventing device for emergency stop, belong to autocontrol technical field. The input port of a signal processor is connected to the output port of pressure difference electrical signal of a controllable magnet valve; the output port of the signal processor is connected to the input port of a controller; the two output ports of the controller are connected to the control pole of two electronic switches; the anode and the cathode of the first electronic switch are connected in series in a DC power supply loop for the controllable magnet valve; the controllable magnet valve is disposed at the upper range of the foot pedal accelerograph in a gasoline pipe of the automobile. Gasoline supplied to the automobile first goes through the controllable magnet valve, then passes the foot pedal accelerograph and at last goes to the cylinder of the engine. The anode and the cathode of the second electronic switch are connected in series in a DC power supply loop for an electricity powered handspike; the top of the electricity powered handspike is mechanically connected to the force arm at the lower part of the pedal rod of an arrester in a mode that the handspike and the arrester can rotate in a plane within 90 degree. The invention can prevent accidents and safeguard the safety of people as well as transportation vehicles.

The invention relates to a vehicle braking device. The structure is characterized in that when human and substance contact with the safe plate, under the action of compulsory force, the safe plate transports the pushing force to the connecting bar through pushing force shaft, pushing force arm, pushing bar, curve groove on the groove block of connecting bar; the connecting bar drives shifting fork shift small umbrella gear and duplex gear to slide forwards on the spline disk shaft through the pin of fulcrum connecting bar so that the small umbrella gear is mated with the big umbrella gear on the vehicle power transmission shaft and the duplex gear is mated with the speed mechanism; driving wheel of rack transmission and two driven gears of rack transmission on the shaft drives rack move downwards rapidly; the rack drives vehicle legs rotate downwards on the pin shaft; when ends of two vehicle legs contact with the ground rapidly, the vehicle stops compulsorily. The device compensates the lack of prior technology effectively. When the control is not controlled, vehicle can stop at once and there is no inertia force. Heavy traffic accident can be avoided to occur so that a big safeguard is added on vehicle.

The invention discloses a bus gearbox control device based on an ARM microcontroller. The bus gearbox control device comprises an ARM microcontroller, a crystal oscillator circuit module, a reset circuit module, a SD card data storage circuit module, and a GPRS wireless communication module. The input end of the ARM microcontroller is connected with a clock circuit module, a key operation circuit module, and a signal conditioning circuit module. The signal conditioning circuit module is formed by an amplifying circuit module, a filtering circuit module, and an A/D conversion circuit module. The input end of the amplifying circuit module is connected with a temperature sensor, a fuel quantity transducer, an oil pressure sensor, and a vehicle speed sensor. The output end of the ARM microcontroller is connected with an LED display screen, a charging control circuit, a first flow valve, a second flow valve, and a relay. The device solves problems of gearbox early damage, clutch early damage, and transmission system early damage, so development of buses meets low carbon technology requirements, and the low carbon technology is suitable for urban development.

The invention provides a multifunctional snow shoveling device, and relates to a device used for removing accumulated snow on a road. Two oil cylinders are installed between a plough body and a connecting member, a valve group is installed on the connecting member to adjust and control an oil way, and the flexible rotation of the plough body around a rotary pin shaft is achieved; a plough blade isconnected with the plough body through the pin shaft, a spring is arranged between the plough body and the plough blade to achieve buffering and restoring effects; the distance between the plough blade and the ground can be adjusted by a supporting seat connected with the rear end of the plough body to achieve depth control of snow shoveling. The device has the advantages of being simple and flexible in mechanism, simple and convenient to operate, convenient to maintain, high in efficiency and durable, and has significant social economic benefit on improving the transportation efficiency of vehicles and avoiding the occurrence of severe traffic accidents.

The invention provides a vehicle generator transmission shaft broken shaft fault detection method and device. The method comprises the following steps: detecting an engine crankshaft rotating speed signal and a generator rotor rotating speed signal in real time, and receiving the engine crankshaft rotating speed signal and the generator rotor rotating speed signal; performing first-order filtering denoising on the received engine crankshaft rotating speed signal and the generator rotor rotating speed signal, making a difference between the filtered engine crankshaft rotating speed signal and the filtered generator rotor rotating speed signal, and taking an absolute value of the difference value to obtain a speed difference absolute value; and if the speed difference absolute value exceeds a preset threshold value, determining that the generator transmission shaft is broken. According to the method, the transmission shaft can be maintained in time after being broken, the engine is stopped or the torque of the engine is limited, and major traffic accidents are effectively avoided.

A braking system of car features that a hydraulic (or pneumatic) protector is additionally used in the braking system for respectively controlling the front and back flexible braking flexible braking tubes. Said protector has a casing with central cavity as main oil (or air) channel, an oil (or air) inlet connected to oil (or air) trunk,and an interface connected to flexible braking tubes. A plunger in said central cavity divides the main oil (or air) channel into front and back oil (or air) cavities. A spring is arranged in the back oil (or air) cavity.

The invention discloses a brake cooling water monitoring device for an automobile, belongs to a brake safety monitoring device, and aims to provide a device capable of monitoring a brake water spray system in real time. The device comprises nozzles arranged on brake hubs, a cooling water pipe communicating the nozzles, and conductive probes (5) arranged on the nozzles (9); four control ends of a quad bilateral switch integrated circuit module (10) are electrically connected with the conductive probes (5) corresponding to the four control ends respectively; each control end correspondingly controls an internal control switch; a positive terminal of each internal control switch is respectively connected in parallel with an anode of a power supply through a monitoring pilot light (1), while a negative terminal is respectively connected in parallel with a cathode of the power supply through a bias resistor R; and the nozzles (9) are electrically connected with the anode of the power supply through conducting wires. The monitoring device has the advantages of simple structure, convenient use, low cost, high reliability and the like, and can be used for various autotrucks.

The invention discloses a three-dimensional multi-functional highway which is closed and purified by honeycomb ceramic bodies. The three-dimensional multi-functional highway comprises transverse largevehicle channels arranged an basement layer, first-layer longitudinal vehicle passages located above the basement level, second-layer transverse small vehicle passages located above the first layer,commercial housing located above the second-layer transverse small vehicle passages, indoor raising rooms located above the commercial housing and large shed rooms located above the indoor raising rooms. Exhaust gas passages extending to the large shed rooms are arranged in the middles of the transverse large vehicle channels at intervals in the driving direction, dedusting purifiers are arrangedon the upper portions of the exhaust gas passages, parking lots and pedestrian passageways are arranged on the sides of the first-layer longitudinal vehicle passages, concrete foundation pillars are arranged on both sides of traffic passages, and closed walls composed of the honeycomb ceramic bodies are arranged between the concrete foundation pillars. According to the three-dimensional multi-functional highway which is closed and purified by the honeycomb ceramic bodies, the problem of urban traffic congestion can be solved effectively, exhaust gas discharged from vehicles can be effectivelydirected to the exhaust gas passages, at the same time, noise of the vehicles during driving can be absorbed, and the exhaust gas which is led into the large shed rooms can be subjected to wet purification treatment.

The invention discloses a safety protection method and device for a traffic signal controller, and a safety protection end can obtain control data sent to the traffic signal controller by a control end, and analyzes the control data based on a protocol analysis library. Afterwards, according to an abnormal feature matching library, feature matching is carried out on each piece of control content obtained through analysis; and when the control content is successfully matched with the abnormal characteristics, performing protection processing on the control data according to the protection strategy, otherwise, forwarding the control content to the traffic signal controller, so that the traffic signal controller adjusts the display state of the traffic signal lamp according to the control content. The control data are analyzed through the safety protection end, abnormal feature matching is carried out, malicious control data are effectively monitored and intercepted, major traffic accidents caused by malicious attack behaviors are avoided, and the safety of a traffic system is guaranteed.

An overpass at an urban road intersection comprises overpass surfaces and roads which are crossed in four directions. Roads connected with the overpass surface in each direction are at least six lanes; the inner side, facing the center, of the overpass surface in each direction is provided with an inner side ramp bridge, and the outer side of the overpass surface is provided with an arc-shaped curve bridge; the overpass surface in each direction further comprises an outer side ramp bridge located on the leftmost side and a guide lane bridge located on the right side; at least three lanes of the guide lane bridge are a straight lane, a left turning lane and a right turning lane in sequence from left to right; and a U-shaped curve bridge is arranged between the straight lane of the guide lane of the overpass surface in each direction and the outer side ramp bridge, so that straight vehicles can reach the outer side ramp bridge of the road on the same side through the U-shaped curve bridge to turn around. According to the invention, traffic lights are unobstructed in all directions, people and vehicles are shunted, hidden dangers of traffic accidents of people and vehicles are eliminated, and major traffic accidents are effectively prevented.

Disclosed in the invention is an energy-saving environment-friendly type terminal for early warning of automobile instability. The terminal is composed of a rainfall detection device, a solar panel, a lead-acid battery, a data acquisition device, an MCU single-chip microcomputer, and a data transmitting terminal. The data acquisition device, the MCU single-chip microcomputer, and the data transmitting terminal are successively connected. A signal conditioning circuit is also connected to the data acquisition device; and the rainfall detection device, a slant angle detection device, and a temperature sensor are connected to the signal conditioning circuit. The solar panel and the lead-acid battery are connected to the MCU single-chip microcomputer; and a solar charging management device is also connected between the solar panel and the lead-acid battery. On the basis of the principle, information of a rainfall changing situation, a surface slant angle changing situation, and a temperature changing situation and the like in an environment can be monitored comprehensively and sent, thereby providing an information reference for the driver; a natural disaster can be found rapidly and then be early warned; and thus instability of an automobile due to the natural disaster can be voided, thereby preventing a major traffic accident. The terminal uses the bidirectional power supply with the solar panel and the battery, so that sufficient power and continuity of data transmission can be guaranteed and effects of energy conservation and environment protection can be realized.

The invention discloses an auxiliary emergency braking device for electric automobile. The device comprises a mounting plate, a steering shaft is rotationally connected to the upper side of the mounting plate, a steering wheel is arranged at the far end of the steering shaft, limiting grooves are formed in the two sides of the steering shaft, limiting blocks are arranged in the limiting grooves, limiting plates are rotationally connected to the outer sides of the limiting blocks, movable plates are arranged at the far ends of the limiting plates, limiting assemblies are arranged on the two sides of each limiting groove, and two working mechanisms are arranged on one side of the mounting plate. When the vehicle runs at a high speed, the working mechanisms are used for monitoring the rotation angle of the steering shaft; and when an emergency occurs in front of the vehicle and a driver fiercely turns the steering wheel, the steering wheel is subjected to steering braking, with the increasing of the driving speed of the vehicle, the steering angle is also reduced, and major traffic accidents caused by rollover of the vehicle due to the overlarge steering angle are avoided.

The invention discloses a safe mixer car for cement, including a front wheel, a rear wheel, an operator cabin(1) and a car frame(2) installed with a cement mix tank(3) and featuring that fender apronsare installed on each side of the car frame(2), which is located on between the front wheel and the rear wheel. The fender apron, through a hinge(6), consists of an upper fender apron(5) and a lowerfender (4), which are hinged with each other. After the adoption of the safe mixer car for cement, when an electric motor car or a passenger crashes on the side of the body of a cement mix car, the electric motor car or the passenger will be bounded by the fender apron, so that the electric motor car or the passenger will not be trod by the cement mix car and the danger happening on the electric motor car and the passenger will be avoided. Therefore, severe accidents will be avoided.

The invention discloses a truck overload controller. The truck overload controller solves the problem that according to the prior art, due to the fact that truck overload can not be controlled effectively, traffic accidents occur. The truck overload controller is characterized in that four pressure sensors (1) are installed at positions, close to wheels and bearing weight of a truck compartment, of a front axle and a rear axle respectively, an engine (7) is controlled through an 'and' gate circuit (3) and an 'or' gate circuit (4), and a speed control circuit which is composed of a speed inductor (5) and a piezoresistor is additionally arranged on an engine circuit. The truck overload controller has the advantage of being reasonable in structure, convenient to use, safe, reliable and the like. The truck overload controller is worth of wide population and application.

The invention relates to the technical field of guardrails, in particular to a buffering anti-collision warning guardrail for road and bridge construction, which comprises a base, a guardrail plate, a primary damping assembly, a secondary damping assembly and a silencing assembly arranged on one side of the guardrail plate, and a vertical part of the guardrail plate is fixed on the base; the damping guardrail has the beneficial effects that the primary damping assembly and the secondary damping assembly directly face a lane, the silencing assembly directly faces a road and bridge construction site, the base is fixed to the designated ground position, and when a vehicle rushes to the guardrail plate, the primary damping assembly is used for conducting primary force unloading and damping on the vehicle; secondary force unloading and shock absorption are conducted on the vehicle through the secondary shock absorption assembly, and noise generated in the road and bridge construction process is isolated through the noise reduction assembly; damping and force unloading can be effectively carried out on vehicles, major traffic accidents are prevented, noise reduction can be effectively carried out in the road and bridge construction process, and the road and bridge construction requirements are fully met.

The invention provides a traffic control system for an underground coal mine roadway, and the system comprises at least one traffic control device disposed in the underground roadway, and each traffic control device comprises an information collection assembly, an information processing assembly, and a reminding assembly. The information acquisition assembly comprises a positioning unit and a processing unit, the positioning unit is used for collecting proximity information of a target object; the information processing assembly is used for generating a reminding instruction for representing the passing state of the underground roadway according to the approaching information of the target object; and the reminding assembly is used for reminding the passing state of the underground roadway according to the reminding instruction. By combining the wireless communication technology and the infrared image sensing technology, pedestrians and vehicles approaching the underground roadway of the coal mine can be intelligently controlled, major traffic accidents are avoided, and the safety of the driving vehicles and pedestrians is guaranteed.

The present invention relates to an advanced brake priority device and method thereof, wherein the device includes an engine (10) mounted with an exhaust manifold (11) and an intake manifold; an engine vacuum sensor (A) for monitoring the vacuum state of the intake manifold; an electronic control unit (ECU, 110) for receiving the vacuum value of the engine vacuum sensor (A) and the brake signal ofthe brake switch (41) of the brake pedal (40); an electronic throttle system (ETS, Electric Throttle System, 30) for adjusting the amount of air flowing into the engine (10). The electronic control unit (ECU, 110) preferentially receives the brake switch by controlling the signal of the accelerator pedal (50) when the engine vacuum value is less than a preset standard value and the brake signal of the brake switch (41) is simultaneously received.