41results about How to "Avoid driving safety" patented technology

The invention relates to a method for controlling sound play in a vehicular information entertainment system. The method comprises the following steps that: a system creates a play mode list and stores the play mode list, wherein a sound play control manner in each play mode and play modes of a vehicle in different state are recoded in the play model list; and the system detects a current vehicle state, extracts stored data of a play mode in a corresponding vehicle state according to the acquired current vehicle state, and controls sound play according to the play mode. The method can be used for preventing the driving safety of a driver from being influenced by played sound when a vehicle runs.

The invention discloses an automatic driving vehicle lane changing method and device, and an automatic driving vehicle having the same. The method comprises steps that the current driving lane information of the automatic driving vehicle is detected; whether the current driving lane information satisfies the lane changing condition is determined; if yes, the automatic driving vehicle is controlledfor changing a lane to an adjacent lane that satisfies the lane changing condition. The method is advantaged in that according to the current driving lane information of the automatic driving vehicle, whether lane change can be performed is determined, in the lane changing process, the automatic driving vehicle is controlled for changing the lane, so a driving safety problem caused by lane changing is effectively avoided, reliability of lane changing is effectively improved, driving is made to be safer and more reliable, and use experience is improved.

The invention relates to a steering wheel. The steering wheel comprises a main body and a vehicle-mounted electronic equipment control device which is mounted on the main body, wherein the main body comprises a rim and a hub; the vehicle-mounted electronic equipment control device is used for controlling vehicle-mounted electronic equipment to execute a corresponding function; the vehicle-mounted electronic equipment control device comprises at least one touch type display screen and a processor; at least one touch type display screen is a software display screen and arranged on the surface of the main body; the processor controls at least one touch type display screen to display an operation interface; a plurality of icons corresponding to different functions of at least one vehicle-mounted electronic equipment are displayed on the operation interface; each icon corresponds to a control instruction when being pressed; and the control instruction is used for controlling the corresponding vehicle-mounted electronic equipment to execute corresponding functions. The invention further provides a vehicle using the steering wheel.

The invention discloses a heating ventilation and air conditioning electric control system. The heating ventilation and air conditioning electric control system comprises an air conditioning controller, an air conditioning device and an automobile body controller, wherein the automobile body controller can receive a temperature signal detected by an automobile external environment temperature sensor and transmits an environment temperature signal to the air conditioning controller; the air conditioning device feeds back an evaporator temperature signal to the air conditioning controller; the system is also provided with an economic mode press button connected to the air conditioning controller and an automobile internal temperature sensor; the economic mode press button is used for receiving an economic mode operation requirement of a user; and the air conditioning controller controls the system to operate in different operation modes according to the environment temperature signal and / or the evaporator temperature signal and / or automobile internal temperature information and the state of the economic mode press button. By the heating ventilation and air conditioning electric control system, fuel economy of the hybrid power automobile can be optimized, so that heating ventilation and air condition service can be provided intelligently, comfort degree in the automobile is improved, friendly operation is provided, and satisfaction degree is improved.

The invention discloses a community induction parking management method. The community induction parking management method comprises the steps that temporary parking spaces are divided in a community,planning parking spaces are divided into blocks according to the time period, and temporary parking space information and planning parking space information are obtained; vehicle license informationof a vehicle entering the community is identified, and vehicle owner vehicle using habit information corresponding to the vehicle license information is obtained; the vehicle owner vehicle using habitinformation and the planning parking space or temporary parking space information are matched to generate a designated planning parking space or a designated temporary parking space and correspondingtravelling route information; a vehicle owner is guided to park according to the designated planning parking space or the designated temporary parking space, and the corresponding travelling route information and vehicle owner vehicle using habit information; and after the vehicle owner parks, the temporary parking space and planning parking space information is updated, and parking information is pushed to the vehicle owner. According to the management method provided by the invention, the number of vehicle owner vehicle moving times can be decreased, congestion and narrowness of a road canbe reduced, travel of the vehicle owner is facilitated, and the vehicle owner is timely reminded to move the vehicle in case of emergency.

The embodiment of the present invention discloses a method and system for simulating a trackside device of an interconnected crossover line. Information interaction is performed between a host trackside simulator of a host line and a target trackside simulator of a target line. In a process that a train crosses from the host line to the target line, before the head of the train crosses a demarcation point, the host trackside simulator transmits the first message information of a target transponder from the target trackside simulator to an onboard controller, in order that the onboard controller can determine, based on the first message information, the line information whether the target line currently allows the train to enter before the train crosses the demarcation point. The onboard controller controls the train to cross the demarcation point and enter the target line to ensure safe driving only when the first message information allows the train to enter the target line. The method, by means of the information interaction between the trackside simulators of different lines, can obtain the condition of the line to be entered in advance during a train crossing process, and ensures the driving safety of the train.

The invention discloses a deceleration and antiskid marked line suitable for an entrance and an exit sections of a tunnel, comprising a section of continuous longitudinal antiskid gage ed line respectively distributed at entrance of the tunnel and the exit of the tunnel along the direction of traffic, a plurality of deceleration marked line transversely distributed at intervals and distributed onthe section outside an entrance hole of the tunnel along the direction of traffic and a plurality of the deceleration marked line transversely distributed at intervals and distributed on the section in an exit hole of the tunnel along the direction of traffic. The antiskid marked line continuously extends to the hole from the outside of the hole and comprises a resin-based adhesive bottom layer directly coated on the road surface, an antiskid skeletal material wearable layer uniformly sprinkled on the resin-based adhesive bottom layer and a colored surface layer coated on the antiskid wearablelayer. The deceleration marked lines are in convex structures. The invention has reasonable design, convenient construction and good use effect, has excellent safety alert and anti-slip effect, and can effectively solve the problem of traffic safety of the entrance and exit sections of the tunnel.

The invention provides a control system for adjusting luminance of a working indicator lamp. The control system comprises a control module, a sensor module, a working indictor lamp and a pulse width modulation module which are in mutual electrical connection; the sensor module is used for collecting environment light radiation or light ray intensity of an external environment; the control module stores a corresponding relation between the environment light radiation or light ray intensity and duty ratio needing to be output by the pulse width modulation module, so as to output a corresponding duty ratio according to the environment light radiation or light ray intensity collected by the sensor module; and the pulse width modulation module outputs a voltage signal corresponding to the collected environment light radiation or light ray intensity according to the duty ratio signal output by the control module, so as to change the voltage at the two ends of the working indicator lamp in order to adjust the luminance of the working indicator lamp. Further, the invention provides a control method for regulating the luminance of the working indicator lamp by adopting the control system.

The invention discloses a modular telescopic device with adjustable annular steel, and belongs to the technical field of bridge structure telescopic devices. The modular telescopic device comprises boundary beams, a center beam, bearing cross beams and boundary beam anchoring assemblies. According to the connecting relation of the boundary beams, the center beam, the bearing cross beams and the boundary beam anchoring assemblies, the boundary beam anchoring assemblies are arranged on the boundary beams, and the annular steel of the boundary beam anchoring assemblies can freely move along cross round steel; U-shaped anchoring steel bars are welded to the two sides of a bearing beam box or a displacement rod box, cross penetrating steel bars penetrate through embedded steel bars and the U-shaped anchoring steel bars, and connecting and anchoring of the displacement rod box and the embedded steel bars are achieved; the center beam is borne on the bearing beam box and connected with the bearing cross beams, an elastic displacement assembly is fixedly connected with the boundary beams or the center beam through the displacement rod box. The mounting efficiency of the modular telescopic device of a bridge can be improved.

The invention relates to the technical field of auxiliary driving. The invention provides a vehicle blind area detection processing method and device, a vehicle-mounted terminal and a storage medium.Vehicle blind area images are obtained; under the condition that the image is detected to comprise the preset protection target and the preset risk target, an alarm area formed between the preset protection target and the vehicle in the image can be determined;and then according to the position relation between the preset risk target and the alarm area in the image, whether a vehicle blind area needs to be warned or not is judged. By optimizing the alarm strategy, the target which truly has the collision risk to the vehicle can be accurately identified to trigger the vehicle blind area alarm,the occurrence of a false alarm condition is avoided, the vehicle blind area alarm accuracy is improved, and the driving safety problem caused by paralysis of a driver on the alarm can be further prevented.

The embodiment of the invention provides a screen adjusting method and device for a vehicle, the vehicle and a readable storage medium. The method comprises the steps of receiving the speech of a userwhen a voice assistant is in a wakeup state, and recognizing the speech of the user to obtain a speech recognition result; judging whether the speech of the user meets the adjusting condition of a vehicle-mounted screen or not according to the speech of the user; if the speech of the user meets the adjusting condition of the vehicle-mounted screen, controlling the vehicle-mounted screen to rotateaccording to the speech recognition result. According to the embodiment, it is achieved that the display angle of the vehicle-mounted screen is automatically adjusted by using a speech instruction; the personalized adjusting requirements of different users for the vehicle-mounted screen display angles are met in the vehicle usage process; hand operation is not needed; the operation is simple; theproblem about traffic safety caused by manual adjustment is solved.

The invention discloses an auxiliary driving method which comprises the following steps: acquiring a road image in front of a carrier; performing image recognition on the road image to judge whether atraffic sign is contained or not; when the road image contains the traffic sign, extracting a first image frame shot by the traffic sign at a first moment and a second image frame shot at a second moment; judging whether the change rule of the traffic sign between the first image frame and the second image frame conforms to a preset rule or not; and when the change rule of the traffic sign between the first image frame and the second image frame conforms to a preset rule, identifying the traffic sign and triggering a carrying tool to execute corresponding operation according to an identification result of the traffic sign. The invention further provides an auxiliary driving device and a computer readable storage medium. According to the auxiliary driving device and the method and the computer readable storage medium, the traffic sign can be accurately recognized, and the driver is assisted in driving the carrier based on the recognition result of the traffic sign.

The invention provides a sensor for monitoring temperature and vibration of a rotating body. The temperature and vibration monitoring problem of a large number of rotary working parts existing in vehicles, motors, industrial machines and the like is solved, and the invalid situation caused by too high temperature or too large shake of the rotating parts in the devices is avoided. The sensor for monitoring temperature and vibration of the rotating body can be installed on a rotary part and monitor the working temperature and vibration conditions of the rotary part, and can give a timely alarm once the working temperature rises and exceeds a certain range or vibration is abnormal.

The invention discloses an auxiliary frame bush assembly which comprises an inner liner pipe, an outer liner pipe, a rubber main spring, an upper press block and a lower press block. The inner liner pipe is arranged in the rubber main spring. The outer wall of the inner liner pipe abuts against the inner wall of the rubber main spring. The outer liner pipe is fixedly arranged on the periphery of the rubber main spring. The inner wall of the outer liner pipe abuts against the outer wall of the rubber main spring. The upper press block and the lower press block are detachably fixed to the upperend and the lower end of the rubber main spring. The auxiliary frame bush assembly is simple in structure; the vehicle NVH and vehicle controllability can be improved; rigidity can be adjusted flexibly; the whole vehicle weight is reduced; and therefore the vehicle safety is improved.

The invention discloses an anti-freezing agent and a preparation method and application thereof, and belongs to the technical field of anti-freezing of road surfaces in cold and cold mountainous areas, the anti-freezing agent is prepared from the following raw materials in parts by mass: 460-560 parts of a composite salt saturated solution, 60-80 parts of a corrosion inhibitor, 130-165 parts of a hydrophobic active agent and 230-280 parts of a wrapping material. Composite salt in the anti-freezing agent is screened with the solubility of single-component salt and the phase transformation point of a saturated solution as indexes, and then based on the three-component simplex centroid design thought in mixed material design, the proportion combination with the maximum target value is selected with the ice melting amount as the index; salinization substances are controlled to be uniformly released within the service life of a pavement, the use durability of the pavement is guaranteed, the pavement is used for preparing anti-freezing concrete, the anti-freezing asphalt concrete which is suitable for high and cold areas and has excellent high-temperature performance and water stability is obtained, and the problems of road traffic safety and the like in the high and cold areas can be solved.

The invention discloses a road safety warning method and system, relates to the field of road traffic safety, and mainly aims to solve the driving safety problem of a special road reasonably and improve the traffic utilization rate of the special road. The method comprises the following steps: respectively detecting a first number of passing targets in a first detection area on a road and a secondnumber of passing targets in a second detection area on a road intersected with the road; determining a first safety warning scheme or a second safety warning scheme according to the first quantity and the second quantity; performing safety warning according to the first safety warning scheme or the second safety warning scheme, wherein the first safety warning scheme is a safety warning scheme in which the first number and the second number are single, and the second safety warning scheme is a safety warning scheme in which at least one of the first number and the second number is multiple.The road safety warning device is suitable for warning of road safety.

The embodiments of the invention provide a call control method, which is applied to an electronic device; the electronic device comprises a brain wave sensor, wherein the method comprises the following steps: when it is detected that the electronic device and an automobile central control system are in an interconnection state, switching the control mode of the electronic device into a brain wavecontrol mode; when a pass call request is detected, a brain wave signal of a user is acquired through the brain wave sensor; the passive call request is determined to respond according to the brain wave signal, and a call connection with an active calling party is built. According to the embodiments of the invention, the improvement of the intelligence, the security and the convenience of processing an incoming call request by an electronic device in a vehicle-mounted interconnection state is facilitated.

The invention discloses a self-snow-melting water-permeable water-collecting integral pavement, which comprises a low freezing point protective agent coating, a low freezing point color surface layer,a low freezing point primary color bottom layer, a coarse sand leveling layer, a graded gravel layer and a plain soil layer which are sequentially arranged from top to bottom. A water collecting device is also arranged at the middle lower part of the graded gravel layer. an environment-friendly low freezing point material is mixed with concrete and a protective agent material, to form the low freezing point protective agent coating, the low freezing point color surface layer and the low freezing point primary color bottom layer, so that a snowy road is frozen in winter, snow water quickly infiltrates after being melted, snow on the road surface is continuously melted, the whole snow melting process is accelerated, and potential safety hazards caused by snowing and freezing are eliminated.The low freezing point material is combined with a water guide pipe, so that the infiltrated snow water is effectively drained, a base layer is protected from the corrosion of salinized substances, and rainwater can be recycled and purified.

The embodiment of the invention provides a vehicle control method, device and equipment and a medium, relates to the technical field of intelligent driving, and can be used for scenes such as ports, mines, expressways and urban traffic. The method comprises the steps that according to the current position and the driving route of a vehicle, the target gradient at the set distance in front of the current position on the driving route is obtained from a high-precision map, the gradient in front can be determined in advance, and the driving speed of the vehicle is determined according to the corresponding relation between the gradient stored in advance and the driving speed. The first target driving speed is rapidly determined in a query mode, the calculation process is omitted, the time delay is lower, the response is faster, the timeliness of vehicle speed determination is ensured, the target gradient in front of the driving route is obtained in advance, vehicle speed control is carried out, and the vehicle speed control efficiency is improved. Therefore, the control accuracy can be ensured to a certain extent.

Embodiments of the present invention provide a train management method and device based on vehicle-vehicle communication, the method comprising: in the vehicle-vehicle communication driving mode, when the internal communication of the vehicle-vehicle communication train set fails, the vehicle-vehicle communication The train set sends communication failure information to the ground controller, so that the ground controller generates a train activation identification command according to the communication failure information, and sends the train activation identification command to the vehicle-vehicle communication train set; The vehicle-to-vehicle communication train set switches the vehicle-to-vehicle communication driving mode to an automatic driving mode according to the activation flag command. By calculating the movement authorization based on the train position when the vehicle-to-vehicle communication fails, the train position tracking problem that the vehicle-to-vehicle communication is interrupted can be quickly located, and the train activation identification command is sent to the vehicle-to-vehicle communication train set, so that Vehicle-to-vehicle communication trainsets can be quickly switched to automatic control mode.

The invention discloses anti-freezing environment-friendly diluted asphalt and a preparation method thereof. The anti-freezing environment-friendly diluted asphalt is prepared from the following raw materials in parts by weight: 50 to 80 parts of petroleum asphalt, 12 to 35 parts of biological asphalt, 10 to 26 parts of a modifier, 3 to 12 parts of a stabilizer, 25 to 58 parts of a diluent, 14 to25 parts of an inorganic filler calcium carbonate, 14 to 25 parts of glass fibers, 6 to 20 parts of a hydrophobic anti-freezing agent and 8 to 21 parts of shale ceramsite. The anti-freezing environment-friendly diluted asphalt of the invention solves the problems of weak high-temperature performance and strong temperature sensitivity of existing biological asphalt, high price of traditional road asphalt and the like in the prior art, has excellent high / low temperature resistance, skid resistance, wear resistance and aging resistance, does not flow at high temperature, has improved flexibilityat low temperature and favorable ductility, and can effectively overcome the problem that traditional diluted asphalt is easily limited by seasons, weather and temperature in the construction process.

The invention relates to the field of automobile plastic fuel tanks, in particular to an automobile fuel tank nut cover assembly method. The automobile fuel tank nut cover assembly method is characterized by sequentially comprising the following steps that A), a fuel tank body (2) is placed on an assembly fixture; B), a sealing ring and an oil pump are installed in order, a nut cover (3) is installed on the fuel tank body (2); C), the nut cover (3) is rotated clockwise with the hand from a fuel tank thread starting point (1), and a nut cover assembly arrow (5) is aligned at a nut assembly start mark (4); D), the nut cover (3) is sleeved with a special sleeve of an electric torque wrench tool with the set angle, and then an electric torque wrench is started to conduct automation rotation; and E), when the nut cover assembly arrow (5) is automatically rotated to a nut arrow end point area formed by a nut assembly final end mark (6) controlled by the torque and the angle on the fuel tankbody (2), the torque value of the nut cover (3) at the time is obtained and is compared with the set torque force range, and if the torque value exceeds the range, the part size is out of tolerance. After adopting the method, the mounting precision of the nut cover on the fuel tank body is high.

The invention discloses a self-melting colored permeable integral pavement. The pavement comprises a low-freezing-point protective agent coating, a low-freezing-point colored surface layer, a low-freezing-point primary-color bottom layer, a coarse sand leveling layer, a graded broken stone layer and a plain soil layer which are sequentially arranged from top to bottom. According to the pavement, an environment-friendly low-freezing-point material is mixed with concrete and a protective agent material to form the low-freezing-point protective agent coating, the low-freezing-point colored surface layer and the low-freezing-point primary-color bottom layer, the pavement freezes due to the winter snowfall, snow water rapidly infiltrates downwards after being melted, snow on the surface of thepavement melts continuously, the snow melting process is accelerated, and potential safety hazards caused by snowfall freezing are eliminated; and the pavement has great economic and social significance in solving the traffic safety problem of ice-snow-covered pavements in China and the urban waterlogging problem, decreasing the traffic accident rate, reducing traffic accident losses and protecting the ecological environment at the periphery of the pavement.

The invention discloses a deceleration and antiskid marked line suitable for an entrance and an exit sections of a tunnel, comprising a section of continuous longitudinal antiskid gage ed line respectively distributed at entrance of the tunnel and the exit of the tunnel along the direction of traffic, a plurality of deceleration marked line transversely distributed at intervals and distributed onthe section outside an entrance hole of the tunnel along the direction of traffic and a plurality of the deceleration marked line transversely distributed at intervals and distributed on the section in an exit hole of the tunnel along the direction of traffic. The antiskid marked line continuously extends to the hole from the outside of the hole and comprises a resin-based adhesive bottom layer directly coated on the road surface, an antiskid skeletal material wearable layer uniformly sprinkled on the resin-based adhesive bottom layer and a colored surface layer coated on the antiskid wearable layer. The deceleration marked lines are in convex structures. The invention has reasonable design, convenient construction and good use effect, has excellent safety alert and anti-slip effect, and can effectively solve the problem of traffic safety of the entrance and exit sections of the tunnel.

The invention discloses a road safety warning method and system, which relate to the field of road traffic safety, mainly aiming at solving the driving safety problem of special roads in the most rational way, and at the same time improving the traffic utilization rate of special roads. The method includes: respectively detecting the first number of passing objects in the first detection area on the road and the second number of passing objects in the second detection area on the road intersecting with the road; according to the first number and the first number Two quantities determine the first security warning scheme or the second security warning scheme; carry out security warning according to the first security warning scheme or the second security warning scheme; wherein, the first security warning scheme is the first quantity And the second quantity is a single security warning scheme, and the second security warning scheme is a security warning scheme in which at least one of the first quantity and the second quantity is multiple. The invention is suitable for road safety warning.

The invention relates to a fault detection method and system for an electric air compressor. The detection method includes the following steps: After a whole vehicle is powered on, at least one of thefollowing items is tested: whether an air compressor enablement instruction is valid, whether an air compressor control instruction is valid, whether an air compressor execution instruction state isvalid, and whether communication between the air compressor and a whole vehicle controller is normal. If any of the instructions is invalid, the execution instruction state is invalid or the communication is abnormal, an air compressor abnormity alarm is carried out. According to the invention, in a process of power-on running of the vehicle, through active detection of various possible faults ofthe air compressor, various hidden dangers of the air compressor that may occur in the air compressor can be detected, and the function safety guarantee degree of the air compressor is high, wherein adetection range is wide. Compared with off-line detection, the fault detection method and system for an electric air compressor are timely in detection and short in detection interval, can realize detection and fault treatment of random failure of an air compressor system, and can effectively avoid the problem that the function failure of the air compressor seriously affects the driving safety.