151results about How to "Ensure safe driving" patented technology

The invention relates to a voice-controlled vehicle GPS navigating system and the method for realizing the same, comprising the following steps of: 1, an electric map module make the place names in a map into a place name list, and the place name list is used as a distinguishing set for a voice distinguishing module and then is sent to the voice distinguishing module; 2, the start-up key of the voice distinguishing module is turned on; 3, the voice distinguishing module receives input voice and extracts characters of the input voice; 4, voice recognition is performed after abstracting the characters; 5, after the voice recognition is finished, a plurality of candidates are output for the final affirmation of users; 6, the final results affirmed by users are transmitted to the electric map module and then is mapped into corresponding map coordinate to be displayed on a screen. The invention not only simplified the operation procedures of GPS device, but also provides safeguards for drivers, and the invention, at the same time, facilitates the popularization of GPS.

The invention provides a fingerprint-based speed limiting device of an automatic transmission automobile, and a control method thereof, belonging to the technical field of automobiles. The problem that the highest driving speed is not limited through fingerprint identification corresponding to different identities can be solved by the invention. The device comprises a fingerprint sensor for acquiring biological fingerprints and an EMS (electronic monitoring system), wherein an electronic air throttle and a fingerprint identification controller are respectively connected on the EMS, the fingerprint identification controller is connected with the fingerprint sensor, a host interface is further connected on the fingerprint identification controller, the fingerprint identification controller is used for receiving fingerprint data detected by the fingerprint sensor, performing storage, comparison and deletion on the fingerprint data in a fingerprint database according to input signals of the host interface and outputting a set control speed limiting signal to the EMS, and the EMS is used for controlling the opening degree of the electronic air throttle. The control method comprises the following steps of: A. performing fingerprint identification and registration; B. judging the control conditions for starting speed limitation; and C. judging fingerprint information. The device and the method are based on a fingerprint identification technology and can limit the highest driving speed for different users.

The invention relates to the field of motor control and provides a motor output torque control method and device and an automobile and aims to solve the technical problem of failure in realization ofautomobile driving and braking through one pedal in the prior art. The motor output torque control method in an embodiment includes: determining a driving mode of the automobile; acquiring acceleratorpedal openness and motor rotating speed when the driving mode of the automobile is a single-pedal driving mode; determining a motor initial output torque according to the accelerator pedal openness and motor rotating speed; subjecting the motor initial output torque to torque limiting value processing to obtain a torque after torque limiting value processing, and outputting. The motor output torque control method and device and the automobile have the advantage that automobile driving or braking through one pedal namely the accelerator pedal is realized.

The invention provides a regional forced gas extraction method for a single low-permeability outburst thick coal seam. The regional forced gas extraction method comprises the steps of (a) excavating a rock gangway in a rock fissure zone and drilling a lower-position seam through hole downwards, (b) drilling a high-position seam through hole downwards in the rock gangway, (c) starting a high-pressure water-injection pump station, performing hole expanding operation on the coal seam through sections of the drilled holes under the conditions of the water pressure of 10-20MPa, the flow rate of 8m<3> / h and the single-hole coal output greater than 5t, (d) sealing the drilled holes and carrying out drainage strip networking extraction operation after the hole expanding operation is finished, (e) after the extraction is up to the standard, carrying out tunneling operation of an air return way and a transportation roadway, and meanwhile, drilling a bedding pre-extraction hole in the working face and carrying out the hole sealing and networking extraction operations, and (f) continuously extracting the gas of the goaf in the rock gangway during the recovery of the working face. The regional forced gas extraction method is capable of converting a high-gas outburst coal seam into a low-gas outburst risk-free coal seam, comprehensively guaranteeing safe production of the working face, and meanwhile, obviously increasing the coal roadway tunneling speed.

The invention relates to a vehicle projection illumination display system based on the vision processing and sensor technology. The system takes an image vision acquisition and detection module and amulti-sensor signal acquisition module as input, a projection illumination display module as output, and an automobile on-board micro-processing control unit as the core, according to the vehicle operating traffic information, by combining a vehicle lighting working mode, the corresponding intelligent illumination driving signal is sent out, and the brightness, graph and image of the projection illumination display module are adjusted self-adaptively in real time to realize the projection display of a light. A light projection illumination condition monitoring module is used for monitoring theoperation condition, and the system can connect the vehicle driving information to a network through a communication module (WiFi or Bluetooth), or connect to a mobile phone APP software, so as to facilitate the automobile Internet of Things control in the later period. The whole system is stable and reliable, and has the characteristics of being in high resolution, programmable and intelligent.

The invention discloses a driving behavior data collection method based on the Internet, and the method comprises the following steps: 1), collecting the face change features of a driver through a vehicle-mounted camera disposed at the upper part of the front window of a vehicle; 2), detecting the physical signs of the driver through a biosensor; 3), detecting the driving behavior features of the driver through a vehicle-mounted sensor; 4), detecting the driving state change features of the vehicle through a vehicle driving state sensor; 5), enabling a collection system to gather the data collected by all sensors and transmit the data to a cloud side for storage through Internet communication equipment, wherein the vehicle can download the uploaded driving behavior data from the cloud side when there is a need; 6), building a relation model of driving behaviors and a fatigue state according to the collected driving behavior data, carrying out the multi-parameter comprehensive description of the fatigue state, and judging whether the driver is in the fatigue state or not. The method collects the driving behavior information in real time, and provides danger warning for the driver, so as to guarantee the safe driving.

The invention discloses a system and a method for adjusting the vehicle light. A pitch adjusting shaft for adjusting the pitch irradiation angle of a headlamp is arranged on the headlamp of the vehicle, so that the problems that twp preset irradiation angles of a traditional vehicle headlamp in the driving process cannot meet the requirement under the condition that road conditions are complex and cause great potential hazards. The system comprises a vehicle body inclined angle detecting unit, a pitch irradiating angle calculating unit, a pitch motor driver and a pitch adjusting motor. The method comprises the following steps: detecting the inclined angle of the vehicle body by using the vehicle body inclined angle detecting unit; calculating the pitch irradiation angle by using the pitch irradiation angle calculating unit; converting the pitch irradiation angle into a pitch driving instruction and transmitting the pitch driving instruction to the pitch adjusting motor by using the pitch motor driver; and adjusting the pitch adjusting shaft connected with the pitch adjusting motor according to the pitch driving instruction to enable the vehicle headlamp to be always kept at the optimal irradiation angle, thereby solving the problems.

The invention belongs to a construction method for railway line engineering, and in particular relates to a line reinforcing construction method for reinforcing the traditional railway line when a frame bridge is built. The line reinforcing construction method comprises the following steps of: 1. building four groups of deep foundation piles at the two sides of the traditional railway line, wherein each two groups of deep foundation piles are arranged at one side, and each group comprises multiple deep foundation piles which are arranged in the same direction as the railway; 2. penetrating crossbeam I-shaped steel through each railway sleeper gap under the railway line so that the crossbeam I-shaped steel vertically passes through the railway line and stretches across the deep foundation piles at the two sides of the railway; 3. laying two H-shaped steel on the crossbeam I-shaped steel above the two groups of deep foundation files at the same side of the railway line; 4. arranging square timbers between railway tracks and the H-shaped steel; and 5. dismantling line reinforcing systems and recovering the lines after a bridge is propped in place. The H-shaped steel is 900 H-shaped steel 4; and the crossbeam I-shaped steel is I45b I-shaped steel. The line reinforcing construction method can ensure the safety driving of the traditional railway line to the maximum limit under various complicated geological conditions.

The invention provides an adaptive cruising control method and device, and an electric vehicle. The method comprises the following steps: obtaining the vehicle driving state information of an electricvehicle and a target tracking vehicle; according to the vehicle driving state information, determining the target output torque of the electric vehicle; according to the target output torque, carrying out cruising control on the electric vehicle. By use of the method, the vehicle driving state information of an electric vehicle and the target tracking vehicle is obtained, and the electric vehicleis subjected to cruising control according to the target output torque, which is determined by the vehicle driving state information, of the electric vehicle. Therefore, in a vehicle following process, a driver regulates the power output of the vehicle to guarantee the driving and riding feeling of people on the vehicle on a premise that the vehicle is guaranteed to be safely driven, and the purposes of the dynamic traceability and the driving and riding comfort of the electric vehicle are realized.

The invention provides an automobile rear view mirror adjustment device, an automobile rear view mirror adjustment method, an automobile rear view mirror adjustment system and an automobile. The automobile rear view mirror adjustment device comprises a first acquisition module for acquiring current eye space position information of a driver, a first storage module for storing preset eye space position ranges of a plurality of drivers and rear view mirror direction adjustment target data corresponding to each eye space position range, a second acquisition module for acquiring the rear view mirror direction adjustment target data corresponding to the current eye space position information of the driver from the first storage module and a control module for controlling an automobile rear view mirror motor to adjust the direction of a rear view mirror according to the rear view mirror direction adjustment target data. The automobile rear view mirror adjustment system comprises a seat sensor, a face image sensor and the automobile rear view mirror adjustment device. An automobile with the system can automatically adjust the direction of each rear view mirror by identifying the eye space position information of the driver, so that the operation is simplified, and the safety traveling is guaranteed.

The invention relates to a side-blown synchronous scrubbing windscreen wiper reversing by double wiper blade shafts. The windscreen wiper comprises brush heads, a wiper motor, a washing kettle, a washing water pump and water supply pipes, wherein a left water channel and a right water channel are respectively arranged on two sides of each brush head, and a plurality of left nozzles and right nozzles of each brush head are respectively arranged on the outer sides of the left and right water channels. The windscreen wiper is characterized in that the water supply pipes of the water channels of each brush head, namely a left water channel water supply pipe and a right water channel water supply pipe, extend downward along brush arms, pass through hollow power shafts of the brush arms and are respectively connected with water supply openings of a reversing valve fixed on a power shaft driving arm, namely a left water channel water supply opening and a right water channel water supply opening of the reversing valve. One ends of the water supply pipes of the reversing valve are connected with a water inlet of the reversing valve, while the other ends of the water supply pipes are connected with the washing water pump of the washing kettle. The washing nozzles and the wiper of the windscreen wiper are integrally arranged. Water spray and brushing can be synchronously carried out, so that water flowing away is less. An adhesive tape of the windscreen wiper is in a double-wiper-blade structure, so that the windscreen wiper is high in water wiping efficiency and provides powerful guarantee for safe driving.

The invention provides a lane changing auxiliary warning system, and relates to the technical field of vehicle safety. The lane changing auxiliary warning system comprises an information acquisition unit, a processing unit and a warning unit. The information acquisition unit is used for acquiring driving information of vehicles around a vehicle and vehicle information of a driving state of the vehicle; the processing unit is used for receiving the driving information of the surrounding vehicles and the vehicle information and judging whether a collision danger to the left side or the right side of the vehicle exists or not; the warning unit is used for sending a corresponding left side warning signal or a corresponding right side warning signal to a driver according to the collision dangerto the left side or the right side of the vehicle in response to a result that the processing unit judges that the vehicle has the collision danger to the surrounding vehicles; the warning unit comprises a vision reminding unit, a voice reminding unit and a touch reminding unit; the processing unit classifies the collision danger into various different corresponding collision danger levels; the warning unit sends different corresponding warning signals to the driver according to the various different collision danger levels.

The invention provides an automobile control method which includes the following steps that when an automobile is started or runs, the practical lodes of an automobile are detected; the power and the torque curves of an engine under automobile working conditions corresponding to the practical loads are selected according to the practical loads, wherein different working conditions correspond to different preset power and different torque curves of the engine; the fuel jetting pressure, the jetting moment and the jetting amount are controlled according to the requested torque, power and torque curves of a driver so as to reduce the fuel consumption of the automobile. According to the automobile control method, the automobile can select the engine power and torque curves corresponding to the practical loads according to the practical loads of the automobile, accordingly, the output performance of the engine is determined, and the automobile can run with the minimum fuel consumption rate under different working conditions. Thus, fuel can be saved, in addition, the method can avoid overspeed running when the automobile is in the no-load process or half-load process, and safe running is ensured. The invention further provides a control system of the automobile and the automobile with the control system.

The invention relates to a safety control method of double-clutch transmission gear-engagement failures, which comprises the following steps: judging the driving intent by monitoring the running state information in time, monitoring the change of the target gear in time, and counting the number of gear-engagement failures for the same target gear; and when the gear-engagement failure judgment condition is satisfied, entering the limp working condition and reporting the failures. The method can accurately judge the gear-engagement condition to ensure the safe driving of the vehicle, and can avoid the unnecessary operations caused by misjudgment.

The invention discloses an overrunning type clutch transmission mechanism of a motorcycle, comprising a casing, a main clutch and a variable-speed device, wherein a power output shaft of the main clutch is matched with a power input shaft of the variable-speed device in a transmission way by an overrunning clutch. In the parking operation process, the invention can eliminate the influence of the experience of a driver, does not depend on the operation of the main clutch, can automatically cut off a transmission chain before parking, enables a vehicle to glide, thereby avoiding the long-time separation running of the main clutch and prolonging the service life of the main clutch; moreover, the gliding transmission chain is shorter, reactive loss is reduced and the invention is beneficial to energy saving; and the transmission mechanism enables the driver to successfully carry out the parking operation, ensures safe driving, is beneficial to protecting the variable-speed device and the clutch and lowers the operation and maintenance cost.

The invention discloses high-power LED (Light Emitting Diode) light source assembled street lamp and tunnel lamp, comprising a framework, lighting modules, a control box, a support and a controller, wherein the controller is arranged in the control box; the framework is formed by assembling an upper beam, a lower beam and left and right fixing frames, a plurality of lighting modules are arranged side by side in the framework and each lighting module can rotate from side to side along respective axis; the control box is fixed with the framework; and the support is fixed with the framework through the control box and also can be directly fixed with the framework. By means of the special lamp of the high-power LED light source assembled street lamp and tunnel lamp which is provided by the invention, the problems of general street lamps and tunnel lamps cannot be assembled on site according to practical situations and the light distribution curve, the power, the overall dimensions of the lamps cannot be regulated at will and the like can be solved; the design structure is reasonable; the light distribution curve of the lamps is adjustable, the power and the size can be easily changed; various road conditions can be adapted; and the best road surface lighting effect can be acheived.

The present invention provides a vehicle windshield glass cleaning agent, which comprises the following raw materials by weight: 0.1-1.0 part of isotridecyl alcohol polyoxyethylene ether, 1-3 parts of polyethylene glycol, 1.0-5.0 parts of alcohol ether, 0.1-0.3 part of alkenyl succinic anhydride, 0.01-0.1 part of an anti-mildew agent, 1.0-5.0 parts of an antibacterial agent, 10.0-60.0 parts of lower alcohol, and 40.0-90.0 parts of water. According to the present invention, the vehicle windshield glass cleaning agent has characteristics of good cleaning performance, no corrosion on vehicle body, and low residue, such that the visual field of the driver is not hampered so as to ensure the safe driving.

The invention discloses an intelligent navigation system based on Internet of Vehicles. The intelligent navigation system comprises a plurality of ultrasonic sensors, a main controller and a communication module I for being communicated with a central server; the plurality of ultrasonic sensors are connected with the input end of the main controller in sequence through a filtering circuit, an amplification circuit and an A / D (Analogue / Digital) conversion circuit; the input end of the main controller is further connected with an operation key, a data storage device and a communication module II for being communicated with other vehicles; the output end of the main controller is connected with an audible and visual alarm, a voice navigation module and a display. The intelligent navigation system has a simple structure and a reasonable design, and is convenient to mount; a driver can be reminded of paying attention to the potential dangers in an automobile driving process so that the safe driving of the driver is guaranteed; meanwhile, going-out road condition information can be provided for a user at any time so that the user can go out smoothly; the intelligent degree is high, the operation is simple and convenient, the use effect is good and the popularization value is high.

The invention introduces a road traffic guiding method which is realized by a road traffic guiding system based on road monitoring consisting of a vehicle positioning system, a vehicle-mounted traffic signal machine, a pavement traffic signal machine, an intelligent road traffic signboard, a central monitor and a communication transmission system. The method can guide traffic for driving vehicles on a road of a highway pavement and forecast the approaching distance marker of vehicles in conventional weather and haze weather conditions so as immediately send remote display warm to the driving vehicles when sudden impounded surface water and hydrops, freezing, accidents, fire and collapse deformation of the pavement of the highway happen to avoid big accidents so as to realize the purpose of assisting safe driving and improving the utilization ratio of highway. The method and system have the characteristics of convenient implementation and strong practicality.

The invention provides a one-button target search optimization method for an intelligent vehicle-mounted information service terminal. The method comprises the following steps: S1, acquiring latitude and longitude coordinates of a point A1 where a vehicle lies and acquiring information of a surrounding target site Ck; S2, acquiring latitude and longitude coordinates of a point A2 where the vehicle lies after the vehicle runs for a time of delta t; S3, working out the distances between the point A1 and the point A2 and between the target site Ck and the point A1 as well as the point A2; S4, judging that whether the site Ck is a point in the forward path of the vehicle or not; S5, working out the shortest path of the points in the forward path of the vehicle and finding out the target in the minimum distance; and S6, invoking the latitude and longitude of the target site in the minimum distance and tagging in a map for navigation. The method not only can ensure that a user can obtain the optimal path to the best destination that is most suitable for the current travelling state and satisfy special requirements of the user, but also can allow the user not to select search results manually, so as to ensure safety driving of a driver and saving time for the user.

The invention discloses a road traffic guiding method based on a positioning system, and the road traffic guiding method is realized by a road traffic guiding system which is composed of a vehicle positioning system, a vehicle-mounted signaling machine, a pavement signaling machine, an intelligent road traffic signboard, a central monitor and a communication transmission system. In haze days, vehicles on the pavement are guided, and the approaching distance of vehicles is identified and predicted; when emergent ground water or liquid accumulation, icing, fire hazard or pavement collapse and deformation occur in the pavement, early warning is timely and remotely emitted to the driving vehicles, more serious accidents are avoided, safe driving is helped, and the utilization rate of highway is improved; and the method and system are characterized by convenient realization and high practicality.

The invention discloses an enterprise railway station comprehensive automation system which is connected with an original purchasing and selling system (or an ERP system) of an enterprise, and integrates microcomputer interlocking equipment, positioning base station and ground transponder equipment, locomotive-mounted LKJ equipment, locomotive number identification equipment, terminal line earth retaining equipment and the like, integrates a microcomputer interlocking system, a terminal line anti-collision system, a crossing centralized management and control system, a locomotive running train-ground joint control system, a train number identification system and the like. The system is developed. The system comprises a vehicle receiving and dispatching automation subsystem, an arrival disassembly and vehicle taking and sending dispatching and commanding automation subsystem, a microcomputer interlocking road arrangement automation subsystem, a shunting operation hook clearing automation subsystem, a driving safety protection automation subsystem and a mobile phone mobile terminal APP real-time management and control subsystem. The problems of dispatching and commanding automation,driving organization automation and driving safety automation of an enterprise railway station are solved, and technical means and safety guarantee are provided for enterprise railway multi-post integration, cost reduction and benefit increase.

The invention provides a vehicle rearview mirror adjustment method and device and a vehicle. The method includes the steps that rear view images reflected through rearview mirrors of the vehicle are acquired through a first photographic device; and whether the rear view images meet a preset requirement or not is judged, and if a judgment result is negative, direction adjustment signals are sent to the rearview mirrors according to the rear view images till the rear view images meet the preset requirement. By the adoption of the vehicle rearview mirror adjustment method and device and the vehicle, the problem that vehicle rearview mirrors cannot be automatically adjusted in the prior art is solved so that the condition behind the vehicle can be conveniently observed by a driver, the safe driving is guaranteed, and meanwhile the inconvenience caused by manual adjustment or adjustment conducted according to the experience of the driver is avoided.

The invention discloses a snow removing and ice melting device. The snow removing and ice melting device comprises a snow collection device, a water tank, a high-temperature heating device, a steam chamber rand a vapor spraying pipe, wherein the snow collection device is connected to the water tank through a pipeline; the water tank is connected to the steam chamber through a pipeline; the steam chamber is connected to the vapor spraying pipe through a pipeline; and the high-temperature heating device is arranged at the periphery of the water tank. The snow removing and ice melting device disclosed by the invention can be used for firstly removing snow and then melting ice, is reasonable in structural design, and has the advantages of easiness of manufacturing, convenience for installation and utilization, good snow removing and ice melting effects and the like.

The invention belongs to the field of municipal road facilities, in particular to a self-adjusting speed bump with high safety performance. The speed bump includes a base, and a sliding groove is formed in the upper surface of the base. The side wall of the sliding groove is in sliding connection with a speed reduction block. The speed reduction block is fixedly connected with the bottom face of the sliding groove through an elastic air bag. A plurality of lifting rods are fixedly connected to the lower surface of the speed reduction block. The bottom face of the sliding groove is rotationallyconnected with a plurality of sleeves. The sleeves sleeve the lifting rods and are in threaded connection with the lifting rods. Two rotating pipes are fixedly connected to the side wall of each sleeve, permanent magnet blocks are slidably connected into the rotating pipes, and the permanent magnet blocks are fixedly connected with the sleeve through reset springs. Magnet rings are fixedly connected to the lower surface of the speed reduction block. According to the invention, a vehicle with a slower speed can safely and comfortably pass through the speed bump, and a more obvious bumping feeling is given to the vehicle with a higher speed, so that a driver is forced to slow down the speed, a guarantee is provided for safe driving on a road, and a good warning effect is achieved.

The invention provides a Bluetooth connecting device for a handset and a vehicular sound box, and relates to a vehicular sound box. The Bluetooth connecting device comprises a handset, a handset main control circuit arranged in the handset, a vehicular sound box, and a vehicular sound box main control circuit arranged in the vehicular sound box, wherein the handset is provided with a Bluetooth chip; the vehicular sound box is provided with a Bluetooth module of the vehicular sound box; the Bluetooth chip of the handset is electrically connected with the handset main control circuit; the Bluetooth module of the vehicular sound box is electrically connected with the vehicular sound box main control circuit; the Bluetooth chip of the handset is connected with the Bluetooth module of the vehicular sound box by signals; the vehicular sound box is also provided with a microphone that is internally provided with a microphone main control circuit that is connected with the vehicular sound box main control circuit by signals. The Bluetooth connecting device has the benefits of avoiding the mistaken driving of a driver when the driver holds the handset, also avoiding the situation that the driver can not hear other environmental prompt sound owning to the wearing of an earphone, ensuring the accurate driving of the driver, and ensuring the safe driving of the driver.

The invention provides a service display method, device, equipment and system. The method comprises the steps that a first service layer is displayed above a basic map layer; and responding to a layer switching instruction triggered by a user, the first service layer is hidden, and a second service layer is displayed above the basic map layer, wherein the basic map layer contains basic map elements corresponding to locations, and each service layer comprises all POIs corresponding to provided services. When the user uses different service layers based on different service demands of himself / herself, the service layer which the user needs to use can be switched to by executing the layer switching instruction on the currently displayed service layer, needed POIs can be selected from the POIs contained in different service layers to meet corresponding service demands, and the method is easy and convenient to operate and beneficial for guaranteeing safe driving of the user.

The invention discloses a single-blade electromagnetic reversing synchronous scrubbing windshield wiper. The single-blade electromagnetic reversing synchronous scrubbing windshield wiper comprises a wiper head, a wiper motor, a windshield washer, a washing water pump and water supply pipes. Water channels, namely, the wiper head left water channel and the wipe head right water channel, are arranged on the two sides of the wiper head respectively. The outer side of the left water channel and the outer side of the right water channel are provided with a plurality of wiper head left nozzles and a plurality of wiper head right nozzles respectively. The single-blade electromagnetic reversing synchronous scrubbing windshield wiper is characterized in that wiper head water channel water supply pipes, namely, the left water channel water supply pipe and the right water channel water supply pipe, downward extend along a wiper arm, penetrate through a hollow wiper arm power shaft, and are connected with reversing valve water supply openings, namely, the reversing valve left water channel water supply opening and the reversing valve right water channel water supply opening respectively, one end of the reversing valve water supply pipe is connected with a reversing valve water inlet, and the other end of the reversing valve water supply pipe is connected with the washing water pump of the windshield washer. Washing nozzles of the windshield wiper and the windshield wiper are integrally arranged, water spraying and scrubbing can be synchronously conducted, water resources can not be wasted, and scrubbing solutions are saved; due to the fact that water spraying and scrubbing are synchronously conducted, blurred vision caused when water is sprayed onto windshield can be avoided, and powerful guarantees are provided for safety driving.

The invention discloses a vehicle lane changing early warning method based on Vehicle to Vehicle (V2V). The vehicle lane changing early warning method comprises the steps that firstly, confirming an automobile located in front of a vehicle on an adjacent lane of the automobile; calculating danger coefficients of adjacent lanes; and finally, judging whether the vehicle in front of the vehicle on the adjacent lane of the vehicle changes the lane with high probability or not; and if yes, sending an early warning of large-probability lane changing of the vehicle on the adjacent lane to the driver of the vehicle. The invention further discloses a lane changing early warning device which is used for implementing the lane changing early warning method and comprises a V2V communication unit, a central processing unit and an indicator light unit. An OBD module, a GPS module and a V2V information interaction module are arranged in the V2V communication unit; and a vehicle position generation module, an adjacent lane danger coefficient calculation module and a lane change judgment module are arranged in the central processing unit. According to the invention, the probability of traffic accidents caused by collision between the vehicle on the adjacent lane and the own vehicle in the process of changing the lane to the current lane of the own vehicle can be remarkably reduced.

The invention relates to the technical field of road snow removal, and provides a multifunctional pavement ice and snow removal construction method based on electromagnetic heating and microwave heating. The method utilizes the effects of magnetism gathering and microwave reflection to flexibly deal with the ice and snow removal work of asphalt pavements or steel bridge decks made of different materials, and efficiently heats ice and snow. The problems that a traditional snow removing mode is single, snow removing is not thorough, and harm to the road surface is large are solved, a vehicle body is included, a vehicle head used for driving the vehicle body to advance is arranged at the front portion of the vehicle body, and a snow removal shovel assembly is mounted at the front end of the vehicle head. A snow-melting agent spreader, a high-power diesel generator, a heat dissipation mechanism and a heating device which can be turned over and adjusted through a mechanical arm structure are sequentially arranged on the vehicle body from the vehicle tail to the vehicle head. By means of the effects of magnetism gathering and microwave reflection, ice and snow removing work of asphalt pavements or steel bridge floors made of different materials is flexibly coped with, efficient ice / snow removing work is conducted in the mode that the snow removal shovel pushes snow and a snow meltingagent is spread, and higher social use value and application prospects are achieved.