40 results about "Accident avoidance" patented technology

The embodiment of the invention discloses a safety assessment method and device for a receiving station, equipment and a medium, and the method comprises the steps: determining a risk event according to a hazard source in a to-be-assessed receiving station, and enabling the risk event to represent a hazard source out-of-control event; determining a safety index of the to-be-evaluated receiving station according to historical data associated with the risk event of other receiving stations and the technological process of the to-be-evaluated receiving station; a comprehensive influence matrix is determined according to the index scores of the safety indexes, a safety evaluation graph of the to-be-evaluated receiving station is determined based on the comprehensive influence matrix, and the safety evaluation graph is used for investigation operation of risk events of the receiving station and characterization of the causal relationship and the hierarchy of the safety indexes. Based on the safety assessment diagram provided by the embodiment of the invention, accident cause factors, causal relationships and levels can be determined, the accuracy of risk disposal can be improved, and meanwhile, through the safety indexes and the safety assessment diagram, the accident occurrence mechanism can be known, the accident prevention capability can be improved, and the occurrence of accidents can be avoided.

A data storage method and a related apparatus, a vehicle, and a controller. A drive-by-wire system (101) is connected to the controller, and the vehicle comprises the drive-by-wire system (101) and the controller. Parameter data of the drive-by-wire system (101) is layered to obtain first data and second data. The drive-by-wire system (101) only stores the first data, which provides lower precision for the parameter data, and sends to a first controller the second data, which can provide higher precision for the parameter data, so that the first controller stores the second data. The parts having different precisions are stored in different components, so that the precision of data can flexibly match storage component costs, and the costs required for storing data of the drive-by-wire system (101) are reduced. If a device comprising the drive-by-wire system (101) fails (for example, an automobile experiences an accident), and data inside of the drive-by-wire system (101) is unavailable, the second data stored in the first controller can still provide high precision for parameter data, such that the situation in which data is completely unavailable due to loss of some components after an accident can be avoided, and the possibility of data being returned after the accident is increased.

The utility model relates to a household appliance, in particular to an electric furnace panel, which solves the use problem of an electric furnace. Comprising a base, a panel and a furnace body, the panel is arranged on the top face of the base and fixedly connected with the top face of the base, a mounting groove allowing the furnace body to be embedded is formed in the panel face of the panel, and the furnace body and the base are fixedly assembled. A switch controller electrically connected with the key switch is arranged in the cavity, the top face of the oven body is a heating face, and the oven body is provided with evenly-distributed heat conduction strips and heating wires arranged in a surrounding mode on the heating face. Due to efficient energy conservation, intelligent temperature control and efficient heating wire design, energy consumption is reduced, and heating efficiency is improved; safety and reliability are achieved, multiple protection mechanisms are adopted, use safety is ensured, and accidents are avoided; intelligent operation is achieved, remote control and timing functions are supported, and user experience is improved; due to the design of the multi-color indicator lamp, a user can visually know the working state of the electric furnace.

The invention relates to the technical field of substation operation and maintenance monitoring, in particular to an alarm automatic identification linkage telephone voice and short message informing system and method, the system part comprises an alarm identification module, an information integration module and a linkage informing module, the alarm identification module receives an abnormal alarm of field equipment and outputs alarm and accident information according to a set rule; the information integration module grabs and integrates the information to form complete information and then outputs the complete information, and the linkage notification module receives the complete information and sends the complete information to related personnel in a short message form, and converts the complete information into audio to automatically make a call for playing at the same time; the method comprises the steps of receiving an alarm and outputting information according to a set rule, capturing integrated information to form complete information, receiving the complete information and informing related personnel in the form of short messages and telephone voices. The system can get rid of dependence on manual monitoring, realizes automatic alarm identification and active notification, quickly notifies related personnel to process the alarm, and avoids accident expansion.

The utility model relates to the technical field of pipeline loading and unloading, and discloses a loading and unloading pipeline pressure safety interlocking device which comprises a loading yard quantitative loading controller, and further comprises an alarm piece, a monitoring piece and an emergency stop piece which are arranged on the outer side of the loading yard quantitative loading controller. The static oil spilling device, the gas phase pressure transmitter, the liquid phase pressure transmitter, the vortex shedding flowmeter and the mass flowmeter are arranged on the outer side of the quantitative loading controller of the loading yard. According to the utility model, parameters such as pressure, temperature, flow and the like of a pipeline can be monitored in real time through the cooperative use of the quantitative loading controller of the loading yard, the alarm piece, the monitoring piece and the emergency stop piece; abnormal conditions can be found in time, and accidents such as pipeline breakage caused by abnormal pressure are avoided; when an abnormal condition is monitored, an alarm can be triggered automatically, accidents are avoided, meanwhile, equipment such as a valve and a pump of a pipeline can be controlled automatically, danger caused by the abnormal condition is prevented, and the safety of loading and unloading operation is improved.

The utility model relates to the field of warning devices, in particular to a construction site safety management warning device which comprises a warning plate and a warning assembly. A warning assembly used for being adjusted and used according to different management warning requirements is installed at the outer end of the warning plate. The warning assembly comprises a limiting frame, a connecting block, an alarm, a warning lamp, a protection plate and a connecting frame. According to the utility model, the alarm is adopted to assist the warning panel to broadcast warning information, and acousto-optic dual warning is formed, so that personnel can obtain the warning information in an area far away from the warning, the alertness of the personnel is effectively aroused, and the personnel can be ensured to notice potential dangers in time and take corresponding protective measures to avoid accidents; the safety management level of a construction site is improved, multiple sets of warning lamps are externally connected for auxiliary warning, the warning range is expanded to a wider area, warning information is more striking, it is ensured that the warning information can be received within a larger range, personnel are effectively prevented from entering a dangerous area by mistake, and the warning effect of the device is improved.

The present invention relates to a system (104) and a method (400) for detecting monotonous road conditions. The system (104) receives video data from an image acquisition unit (106) connected to a vehicle (102), extracts one or more features from each frame in the video data, and assigns an attention score to each of the one or more features. The system (104) then determines a similarity score based on the similarity between the extracted features and the corresponding attention scores from successive frames in the video data. The system (104) also determines a number of objects near the vehicle based on the video data and determines whether a road (100) has monotonous driving conditions based on the number of objects and the similarity score.The system (104) improves road safety by detecting monotonous road conditions and warning the driver to prevent driver hypnosis and thus avoid accidents.

The application discloses a brake system device and a control method, relates to the technical field of automobile auxiliary accessories, and comprises installation components, a main driver synchronous component and a copilot control component, two of the installation components are arranged, a copilot control component is arranged on the surface of one installation component, a main driver synchronous component is arranged on the surface of the other installation component, and a threaded box is arranged at the bottom of the brake pedal. The brake system device and the control method are characterized in that when the brake pedal is stepped on, the contact of the pressure sensor is triggered, the servo motor drives the winding wheel to rotate by a corresponding angle to wind the pull rope, the pull rope is pulled to rotate the brake pedal by an angle consistent with the rotation angle of the brake pedal, and thus the vehicle is decelerated and braked by the brake pedal, so that the person with rich driving experience at the copilot position can control the vehicle to avoid accidents when accompanying a novice driver to travel by a private car.

The invention relates to the technical field of charging piles, in particular to a line safety monitoring method and system for a charging pile. Comprising the following steps that charging piles are grouped according to a preset number specification, and each group is provided with a corresponding power control main switch; when an automobile is charged, timing is started from the moment when the automobile is charged, and after the preset time is up, the resistance value at the electricity control main switch is continuously obtained to serve as a first value; and judging whether the first numerical value is greater than a resistance threshold, if the first numerical value is greater than the resistance threshold, closing the power control main switch, and if the first numerical value is smaller than the resistance threshold, continuing to supply power. When the first data is larger than the resistance threshold value, short circuit and other conditions exist in the group of charging piles, at the moment, only the corresponding power control main switch needs to be closed, accidents can be avoided in time, meanwhile, other charging piles can continue to be used for charging, use of other charging piles under normal conditions is not affected, and the charging efficiency is improved. And the practicability and the safety of the charging pile are greatly improved.

The utility model belongs to the technical field of tunnel dimming devices, and particularly relates to an intelligent tunnel dimming device which comprises a bending machine box and a rotating box, a steering motor is fixedly installed on the rear side of an inner cavity of the bending machine box, an output shaft of the steering motor is fixedly connected with a driving wheel, and the front side of the bending machine box is rotationally connected with a pipe shaft through a bearing. The top end of the pipe shaft is inserted and connected with a driven wheel, a synchronous belt is wound between the driving wheel and the driven wheel, and the bottom end of the pipe shaft is inserted and fixedly connected with the top side of a rotating box; the speed measuring radar is installed on the rotating box to detect the current position and the current speed of an automobile, the LED lamp wick is turned on to illuminate the tunnel portal when it is monitored that the automobile drives into the tunnel portal, and then when the automobile gradually approaches the tunnel portal, the steering module is instructed to control the steering motor to conduct angle deflection on the tubular shaft through the driving wheel and the driven wheel, so that the steering effect is achieved. The light is enabled to always irradiate a set area at the front end of the vehicle in a driving state, so that good light supplement can be performed on the vehicle, and accidents are avoided.

The application discloses a fault alarm method and device, equipment, storage medium and computer program product, and relates to the field of intelligent management of electrical equipment. The method is applied to an electrical equipment and comprises the following steps: acquiring N posture turning angles of the electrical equipment in a single motion process, wherein N is a positive integer; determining whether the electrical equipment is in an abnormal state according to at least one of the N posture turning angles; and outputting fault early warning information of the electrical equipment in the case that the electrical equipment is in the abnormal state. According to the fault alarm method, the health state of the electrical equipment can be controlled, and the equipment fault can be timely alarmed, so that the probability of accidents can be avoided.

The invention relates to the technical field of special vehicle equipment, in particular to an assembly type semitrailer frame which comprises a supporting frame, a supporting piece, a movable adjusting mechanism and an inertia limiting mechanism. A workpiece is fixed through the splicing structure of the movable adjusting mechanism, the gravity center is adjusted to be stable, then the workpiece is limited in the supporting frame through the supporting piece, then transferring can be conducted, meanwhile, during quick braking, the inertia of the whole workpiece can be weakened through the inertia limiting mechanism, accidents are effectively avoided, and the frame is simple in structure, convenient to use and low in cost. The safety problem in the transferring process of the vertical large and heavy workpieces is effectively solved, meanwhile, the vertical large and heavy workpiece transferring device can adapt to workpieces of different lengths, has good applicability and is beneficial to popularization and use of equipment.

The invention discloses an electric drive mine truck emergency safety protection system and a method thereof, and belongs to the technical field of mine truck safety control, the system comprises a vehicle control unit, an emergency steering pump module, a capacitor backup module, a tilt angle sensor and a standby DCDC module, an emergency steering pump module integrated flow sensor, a switching valve and a 24V motor, the oil way is connected with a main steering pump oil way in parallel; the capacitor backup module is connected with a high-voltage bus and used for short-time power supply when high voltage is abnormal. The standby DCDC module is connected with the output end of the capacitor backup module and supplies power to the 24V low-voltage loop and the ON signal loop; the tilt angle sensor is connected with the motor controller through a hard wire, and the vehicle control unit receives and processes sensor signals and executes multiple emergency strategies such as high-pressure maintenance, emergency steering, low-pressure backup and emergency hill holding; according to the invention, the steering and braking functions of the vehicle can be maintained when the high-voltage electricity or 24V control electricity is abnormally lost, so that the driving safety and the system reliability are remarkably improved, and accidents are effectively avoided.

The utility model belongs to the technical field of circular coolers, and discloses a circular cooler trolley which comprises a frame, a main wheel is mounted at one end of the frame, two auxiliary frames are symmetrically arranged on two sides of the frame, auxiliary wheels are mounted at one ends of the two auxiliary frames, and adjusting assemblies are arranged between the frame and the two auxiliary frames. The adjusting assembly comprises two connecting shafts symmetrically installed in the frame, and one side of each connecting shaft is fixedly connected with an I-shaped frame. According to the utility model, through the cooperative use of the auxiliary frame, the auxiliary wheel and the adjusting assembly, when the monitor monitors that the corresponding main wheel breaks down, the control unit controls the power box to start electrifying the driving motor and the buzzer at the moment, and when the auxiliary wheel is used, the buzzer is conducted and sounds to remind a worker which main wheel breaks down at the first time; the corresponding main wheel can be replaced and maintained more quickly, on the premise that production is guaranteed, accident enlargement can be effectively avoided, and the accident handling difficulty is greatly reduced.

The invention discloses a metering box latent hidden danger situation perception and recognition system based on artificial intelligence, and relates to the technical field of metering box hidden danger recognition, and the system comprises the following modules: an image monitoring module which is provided with a plurality of high-definition cameras in a metering box and shoots the conditions in the box through the cameras, obtaining an image of a metering box door opening person and an image in the box through a camera, judging whether to feed back to a manager or not through the image in the box, judging whether a risk of illegal opening of the box door exists or not through the image of the metering box door opening person, and feeding back to the manager according to a judgment result; through combining the parameters of the image monitoring module and the humidity monitoring module, whether the risk of line short circuit caused by dust deposition and water absorption exists in the metering box is comprehensively judged, and through combining the parameters of the image monitoring module and the humidity monitoring module, the line short circuit caused by dust deposition and water absorption can be pre-estimated and judged. And the hidden danger risk is fed back to management personnel, so that accidents are avoided before the accidents occur.

The invention provides a high-voltage bus reactive equipment fire rapid removal method and device, and relates to the technical field of power system relay protection. The method comprises the following steps: acquiring zero-sequence voltage of a bus; starting zero-sequence overvoltage protection according to the bus zero-sequence voltage; the three-phase voltage is detected in real time, and when it is detected that the three-phase voltage does not meet the voltage auxiliary criterion, zero-sequence overvoltage protection is locked; and detecting the current of each interval of the bus in real time, and locking zero-sequence overvoltage protection when detecting that the current of each interval meets the current auxiliary criterion. The zero-sequence voltage is adopted for rapid identification, meanwhile, through complementary verification of double locking criteria, accurate control of protection logic is achieved, faults are rapidly removed in the early stage of reactive equipment fire faults, accident expansion is avoided, the safety of a main transformer is protected, and equipment damage and personal injury are prevented.

The application relates to the technical field of alarm devices, in particular to a safety interlocking alarm device for construction safety hidden dangers, which comprises a base plate, an alarm mechanism, a triggering mechanism and an interlocking evacuation mechanism arranged outside the base plate. The alarm mechanism comprises a first assembly plate, the outer side of the first assembly plate is provided with an alarm lamp, and the first assembly plate is provided with a protective frame. The triggering mechanism comprises a detection cylinder, the inner side of the detection cylinder is provided with a bolt, and the detection cylinder is provided with a movable table. The interlocking evacuation mechanism comprises a second assembly plate, the inner side of the second assembly plate is provided with a crawling ladder. The safety interlocking alarm device can sensitively detect small displacement of the supporting base plate, automatically triggers the alarm lamp in the danger area to give a warning when the displacement is excessive, automatically lowers the protective frame under the danger area to strengthen the support, simultaneously drives the crawling ladder on the side base plate to be lowered, so that the workers can quickly give a warning to fall out of the danger area and evacuate from the groove, and accidents can be avoided.

A method, for example a computer-implemented method, for a vehicle, with a driver assistance function, for example active, for example for accident avoidance, wherein the method comprises: executing a first sub-function of the driver assistance function, for example in the vehicle; receiving first information, for example from at least one other device, for example an infrastructure device or a cloud device, wherein the first information characterizes at least one aspect of a second sub-function of the driver assistance function, wherein the second sub-function is executable and / or is executed outside the vehicle, for example by the at least one other device; and at least temporarily executing the driver assistance function based on the first sub-function and based on the first information.

The invention discloses an online identification method for stopper nozzle blocking in the continuous casting process. The method comprises the steps that 100, the stopper argon back pressure measured value pi at each moment in a set time window tn in the continuous casting process is collected in real time; 200, on the basis of the stopper rod argon back pressure measured value pi at each moment, the range delta py of the maximum value and the minimum value of stopper rod argon back pressure in the time window tn is obtained; 300, the range delta py is compared with a set range first threshold value delta pmax1, and if delta py is larger than or equal to delta pmax1, primary early warning is output; and in the continuous casting process, the time window tn is moved, and the steps 100-300 are repeatedly executed till the casting process is finished. According to the online identification method for stopper rod water gap blocking in the continuous casting process, stopper rod head or water gap blocking can be predicted in advance, and accidents are avoided.

The present disclosure provides a multi-bottle group vehicle-mounted hydrogen storage intelligent monitoring and early warning system and method, which comprises a micro-deformation sensor for collecting micro-deformation of a multi-bottle group vehicle-mounted hydrogen storage system and converting the micro-deformation into a voltage signal; a bottle mouth combined valve comprising a temperature sensor and a pressure sensor for collecting pressure changes and temperature changes of the multi-bottle group vehicle-mounted hydrogen storage system; a multi-bottle group vehicle-mounted hydrogen storage system controller for receiving a deformation signal of the micro-deformation sensor and a pressure change signal and a temperature change signal sent by the pressure sensor and the temperature sensor integrated in the bottle mouth combined valve; the multi-bottle group vehicle-mounted hydrogen storage system can be monitored in real time to determine whether the number of one cycle is reached; by monitoring the fatigue state of the structure of the multi-bottle group vehicle-mounted hydrogen storage system, the service life of the multi-bottle group vehicle-mounted hydrogen storage system can be predicted in advance, and accidents can be avoided.

The utility model provides a road and bridge collapse automatic alarm system, comprising a first mounting plate arranged on a first pavement slab body; a mounting column is arranged on the first mounting plate; the second mounting plate is arranged on the second pavement slab body; a rotating column and an alarm body are adjacently arranged on the second mounting plate; the alarm rod is rotatably arranged on the rotating column; one end of the alarm rod sleeves the mounting column, and the other end of the alarm rod is arranged below the alarm body; a limiting block and an adjusting block are arranged on the mounting column, an action space is formed between the limiting block and the adjusting block, and one end of the alarm rod sleeves the action space; the alarm device is arranged on a fence of the road and bridge and is connected with the alarm body; the road and bridge collapse automatic alarm system provided by the utility model is in a detection state before the road and bridge collapse, and at the moment, excessive energy consumption is not needed; and when collapse occurs, the collapse condition can be detected in time, and an alarm is given, so that accidents are avoided.

The embodiment of the invention discloses an oil product loading and unloading operation path planning method, system and equipment and a storage medium, and the method comprises the steps: judging the operation state of each main pipeline after obtaining a target operation type, an output party and a target receiving party; selecting an idle main pipeline handle, and comparing whether the current working medium information is consistent with the last working medium information or not; and if the current operation medium information is consistent with the last operation medium information, selecting a main pipeline without a fault device and a busy device in the main pipeline as an available main pipeline, and performing preset weight calculation on each available main pipeline to obtain an optimal main pipeline path. According to the embodiment of the invention, before the oil loading and unloading work is started, the optimal pipeline path is planned by analyzing the target operation information and scoring each path, so that the workload of path planning is simplified while manual selection errors and mixing of different oil products are avoided, the potential safety hazard is reduced, and accidents are avoided.

The application provides a highway maintenance equipment vehicle anti-collision system, belonging to the anti-collision technical field, which comprises a vehicle-mounted end, a vehicle position detection end and a highway maintenance equipment vehicle end, the vehicle-mounted end is wirelessly connected with the vehicle position detection end, the vehicle position detection end is wirelessly connected with the highway maintenance equipment vehicle end, and the vehicle-mounted end is used for sending an addressing signal in real time for the vehicle position detection end to detect.The application can effectively avoid the collision of the vehicle with the cone barrel or the highway maintenance equipment vehicle, reduce the occurrence of road accidents, and effectively avoid the personnel injury caused by the accident, while the staff on the highway maintenance equipment vehicle can be informed to make an avoidance notification in time when the vehicle information is not avoided in time, and the real-time detection of the traffic flow information at the rear can timely make an adjustment when congestion or preparation for congestion occurs, so as to avoid the influence of the highway maintenance equipment vehicle on the road traffic.

The utility model discloses a lifting device capable of repeatedly utilizing a manual hole digging pile. The lifting device comprises control equipment and a lifting frame base, and the lifting frame base is arranged on the periphery of a pile hole. The lower ends of the lifting frames are connected with the corresponding embedded connecting pieces respectively; the lifting frame top cover is connected to the top of the lifting frame, and the lower end of the lifting frame top cover is connected with a central suspension stress cross beam; the sliding device is connected to the central suspension stress cross beam; the hoisting assembly is connected to the sliding device; the protection assembly is arranged on the outer side below the lifting frame; the safety protection equipment is arranged at the hoisting frame base; and the sliding device and the hoisting assembly are both connected with the control equipment. The device is ingenious in design, safe and reliable, the labor burden of operators can be greatly reduced, the efficiency can be improved, the life safety of the operators can be ensured, accidents can be avoided, the stability of the device can be improved, and the working efficiency can be improved.

The utility model provides a twist-off induction mounting device for a central current collector and a crane, and belongs to the technical field of cranes. According to the technical scheme, the center current collector twist-off induction installation device comprises a telescopic universal coupling and a twist-off induction mechanism, the twist-off induction mechanism comprises a first induction module, a second induction module and an early warning module, the first induction module is connected with the early warning module, the first induction module is connected with a first installation frame, and the second induction module is connected with a second installation frame. The first sensing module is connected with the first mounting frame, the second sensing module is connected with the second mounting frame, the positions of the first sensing module and the second sensing module are relatively sensed, when the first sensing module and the second sensing module generate relative displacement, the first sensing module transmits a signal to the early warning module, and the early warning module sends out early warning information. Relative displacement occurs between the first sensing module and the second sensing module, and the early warning module sends out early warning information, so that further expansion of accidents is avoided, the working safety is improved, time is effectively bought for maintenance, and the maintenance cost is reduced.

The invention discloses a high-speed traveling cable with an anti-swing early warning unit, and the high-speed traveling cable is characterized in that an insulating wire core of a 0.75 mm < 2 > soft copper conductor is placed on each of the two sides in an outer sheath of the high-speed traveling cable as the early warning unit. The invention further discloses an induction early warning device and an early warning method based on the induction early warning device. When the high-speed traveling cable deflects, early warning is achieved according to serious conditions, elevator stopping accidents and safety accidents caused by too large deflection of the cable of a high-speed elevator and an ultra-high-speed elevator are effectively prevented, accident losses are avoided, the maintenance time is shortened, the safety of a high-speed elevator system is improved, and the maintenance cost is saved.

The anti-skid device comprises a main support, a limiting block, an induction blocking piece, a protection plate, a telescopic spring, a groove, a baffle and a supporting column A are arranged in the front portion of the main support, and an air blower is arranged on one side of the rear portion of the main support; a telescopic rod A and a telescopic rod B are arranged in front of and behind the main support, the telescopic rod A is located on the lower portion of the protection plate, a supporting frame is arranged at the lower end of the telescopic rod A, a plurality of wheel carriers are arranged on the lower portion of the supporting frame, and each wheel carrier comprises a pressure reduction supporting frame, a roller A, a buffering support, a conical surface anti-collision stop block and an ice breaking conical head. The lower end of the telescopic rod B is provided with a supporting rod and a shock absorber, the lower end of the supporting rod is provided with a triangular heat storage box, the heat storage box is arranged on the lower portions of three slopes, and the upper portion of the rear slope of the heat storage box is provided with a three-way tail gas pipe, a smoke exhaust outlet and a gas guide pipe. The anti-skid device for the vehicle in the ice, snow and rain weather can timely deal with the driving problem in the snow and rain weather so as to avoid accidents, so that the driving is safer in the snow and rain weather, and the anti-skid device has very high practical value and popularization value.

The present application relates to the technical field of detection device, and relates to a detection device and control method for roof deformation in a roadway head support area. Seven frame cylinders are extended, and seven frame position switches send signals that the seven frame cylinders have been extended to position. Five swing cylinders respectively drive five detection assemblies to swing to a first position, and five swing position switches send electric signals. Five double-head cylinders drive hollow double-head pistons and detection rods to translate towards a roadway rough surface, detection contacts stop moving due to resistance on the roadway rough surface, and the hollow double-head pistons continue to translate by overcoming the elastic force of springs, and five detection position switches all send electric signals. Five angle sensors collect data. The present application can detect multiple points at one time, can quickly enter a detection state, can quickly detect an impending roof collapse accident, and can slow down or avoid the harm caused by the accident. Even if the roof sinks in a large area, the sinking value can be accurately detected, and the risk of underestimation can be avoided.

The application discloses a vehicle light control method and device, electronic equipment and storage medium, and the control method comprises the following steps: acquiring the brightness information of the environment where the vehicle is located; if the brightness meets the preset brightness condition, acquiring the driving information of the vehicle; if the driving information meets the preset condition, controlling the vehicle to alternately switch the high beam and low beam. The application judges the brightness information of the environment where the vehicle is located, and then controls the vehicle to perform the high beam and low beam switching operation according to the acquired driving information when the brightness meets the condition, so that the vehicle can accurately send a prompt signal to other people and vehicles at night or in a dim light, effectively avoids accidents, and ensures road traffic safety.

The utility model discloses a special tool for detecting eccentricity of a blank cock, and relates to the technical field of workpiece detection tools. The special tool for detecting the eccentricity of the plug cock of the blank comprises a workbench main body, a rotating disc, a three-jaw chuck, a motor, a controller, a cable, a foot switch and an adjusting unit, wherein the workbench main body is arranged at a target position; the rotating disc is rotationally connected to the workbench body. And the three-jaw chuck is arranged on the rotating disc. According to the special tool for detecting the eccentricity of the blank cock, the pedal switch is adopted to replace a traditional manual toggle type switch, and the pedal switch is designed to stop immediately after being loosened, so that an operator can quickly loosen the pedal switch and cut off a motor power supply in an emergency, accidents are effectively avoided, and the personal safety of the operator is guaranteed. And meanwhile, the foot switch liberates the hands of the worker, so that the worker can better concentrate on the measurement work of the blank, and the operation is convenient.