48results about How to "Realize the counting function" patented technology

The invention relates to an oil field operation device, in particular to an oil field workover treatment machine. The machine body is arranged on a hydraulic load-bearing traveling gear and is interlocked with the hydraulic load-bearing traveling gear. Hydraulic tongs connected with a telescopic bracket on the machine body can be extended out and retracted with the telescopic bracket. A clip seat is positioned below the hydraulic tongs and is arranged on a well head. An elevator which is suspended onto the machine body can reciprocate up and down. A faucet is positioned above the machine body and the clip seat; a pipe throwing device is arranged on the faucet and the machine body; and a clip unlocking device and a clip locking device corresponding to the elevator are arranged on the clip seat and the pipe throwing device respectively. A righting mechanism and a valve mechanism are further arranged on the faucet. A control cabinet is arranged on the machine body; and the clip seat, the hydraulic tongs, the elevator and the pipe throwing device are connected with a control system in the control cabinet respectively. The oil field workover treatment machine can be assembled and disassembled conveniently and rapidly, thereby not only facilitating transportation, but also changing the positions to meet the requirements of different work. Simultaneously the machine can be laid freely at a well field according to the practical conditions.

The invention relates to an oil field well workover treatment tool, in particular to hydraulic tongs capable of realizing the automatic loading / unloading of an oil pipe and a sucker rod. The hydraulic tongs comprise main tongs, back tongs, a high-low-speed gear shift mechanism and a connecting support. The back tongs are arranged on the connecting support; the main tongs are positioned above the back tongs and are connected with the back tongs through a guide bar; and the main tongs can reciprocate up and down along the guide bar. The high-low-speed gear shift mechanism is arranged on the main tongs; the output end of the high-low-speed gear shift mechanism is connected with a gear shift device inside the main tongs; and the high-low-speed gear shift mechanism is also connected with a hydraulic control module. The hydraulic tongs are connected with a hydraulic tongs telescopic bracket of the machine body of the well workover machine through the connecting support. The hydraulic tongs are driven by the telescopic bracket to realize automatic telescoping, thereby freeing operators from a dangerous operating environment. Automatic operation is realized for the loading / unloading of the hydraulic tongs, thereby not only reducing the labor intensity of workers, but also avoiding possible accidental injury of workers during the operation.

The invention relates to a power-assisted loading and unloading device for large, heavy and fragile parcels, comprising a mounting base, a conveying device arranged inside the mounting base, and a driving device connected with the conveying device. The conveying device comprises a first conveying section, a second conveying section and a third conveying section arranged inside the mounting base. The driving device comprises a pair of screws, motors arranged at the ends of the screws, a slider in threaded connection with the screws, and a pair of connecting rods hinged to the upper end of the slider. The connecting rods are arranged along a vertical plane, and the upper ends of the connecting rods are hinged to a cross bar below the second conveying section. The device has the advantage that the inclination angle of the second conveying section and the height of the third conveying section are changed by adjusting the inclination angle of the connecting rods, the inclination angle of the connecting rods can be adjusted just by changing the position of the bottom slider on the screws through forward / reverse rotation of the motors, the overall structure design is very reasonable, and adjustment is convenient.

The invention discloses a micro-fluidic-chip device and method for particle-and-cell sequence isolation and enumeration based on nanometer-micron channel combination. A micro channel of the micro-fluidic-chip device comprises a sample feeding channel, a main channel and a plurality of sample discharging channels, wherein a first electric-field isolation and enumeration channel is provided with anisolation-and-enumeration anode liquid storage hole, and is perpendicularly communicated with the main channel through a first detection door; a second electric-field isolation and enumeration channelis provided with an isolation-and-enumeration cathode liquid storage hole, and is perpendicularly communicated with the main channel and a flow field focusing channel through a second detection door;platinum electrodes are inserted into the isolation-and-enumeration anode / cathode liquid storage holes, the anode of a direct-current power source is connected with the first electric-field isolationand enumeration channel, and the cathode of the direct-current power source is connected with the second electric-field isolation and enumeration channel. According to the micro-fluidic-chip device and method for particle-and-cell sequence isolation and enumeration based on nanometer-micron channel combination, enumeration can be achieved when to-be-detected cells do not enter the detection doors, and under the condition that to-be-isolated cells are not damaged, cells accurately flow into the different discharging channels under the dielectrophoresis force.

The invention discloses a road congestion condition detection method taking robustness vehicle target detection as a core. The method comprises the following steps: firstly, carrying out vehicle detection by adopting a YOLOv3 model network; secondly, aiming at the problem of repeated counting caused by jitter of the central point of a vehicle detection frame, realizing accurate counting of vehicles by judging whether the coordinates of the central point of the vehicle are located in the vehicle detection frame or not and judging whether the intersection of the vehicle detection frame and the vehicle detector is greater than a set threshold value or not, and recording the position and size information of the vehicles in a certain time; performing information screening by using NMS to estimate the maximum bearing capacity; and finally, specifically quantifying the congestion index CI, wherein the congestion degree of the road section can be accurately judged by adopting the congestion index. The method can directly, clearly, simply, conveniently and economically obtain the road traffic jam condition in real time, is convenient for local traffic police departments to apply, and has decision reference value.

The invention relates an automatic clamping piece tapping device and a method thereof, and relates to the clamping piece tapping device and the method thereof. The clamping piece tapping device comprises a transmission device, an index plate, a screw tap, a clamping block and an automatic control system. The screw tap is installed on a main shaft of a drilling spindle through a chuck, multiple positioning grooves are evenly distributed on the index plate, and the index box is fixed to an output shaft of a stepping motor. The transmission device is located on one side of the index plate, and the clamping block is connected with an output end of a clamping cylinder. The main shaft of the drilling spindle, and the clamping cylinder and the stepping motor are connected with an output end of the automatic control system. The method comprises the steps of beginning, delivering, positioning, clamping, tapping, returning, loosening, rotating and judging whether all clamping workpieces are finished machining or not. According to the automatic clamping piece tapping device and the method thereof, automatic production can be achieved, the advantages of being high in efficiency, high in labor intensity, stable in quality and low in production cost are possessed, the function of automatic counting is possessed, the use of the automatic clamping piece tapping device is convenient, and forming an automatic flow production line with other working procedures is convenient.

The invention discloses a coin sorting counting device. A conventional coin sorting device has a large size and a high production cost. The coin sorting counting device comprises a funnel-type coin separating disc, a coin channel pipe, a block, a rotating disc, a coin screening disc, infrared counting devices, a coin guiding funnel, and a coin collecting cylinder. Because of differences between diameters of coin sorting through grooves, separating and counting of fifth sets of 1 Yuan coins, 5 Jiao coins, and 1 Jiao coins and fourth sets of 1 Jiao coins are realized. A stepping motor is used to drive the rotating disc to drive the coins in k coin input pipes to rotate around the coin screening disc, and then 4k coin sorting through grooves are used for sorting the coins at the same time, and the 4k infrared counting devices are used for counting at the same time, and therefore sorting speed is fast. The coin sorting counting device has a simple structure and a low production cost, and is suitable for supermarkets, bus companies, vending machine operators, and other operation units.

The invention discloses a coin sorting machine and method. The coin sorting machine comprises a rack,a screening device,a collecting device and a transmission device; a funnel,a first drainage plate,aone-yuan screen,a second drainage plate,a half-yuan screen,a third drainage plate and an inclined guide plate which are arranged on a screening support of the screening device from top to bottom in sequence. The one-yuan screen,the half-yuan screen and the inclined guide plate are inclined to the same direction,the first drainage plate,the second drainage plate and the third drainage plate are inclined to the opposite direction,and the funnel is located above the high end of the first drainage plate; the collecting device comprises a one-yuan collecting mechanism,a half-yuan collecting mechanism and a dime collecting mechanism which are collected with a coin outlet of the one-yuan screen,a coin outlet of the half-yuan screen and a coin outlet of the inclined guide plate respectively; thetransmission device is connected with the screening device and the collecting device,and the screening device and the collecting device are driven to synchronously move back and forth on a guide railof the rack,so that coins on the screening device fall into the collecting device. According to the device,sorting and collecting of the coins are achieved,the classification and collection efficiencyis improved,the accuracy is high,and the labor intensity of workers is reduced.

The invention provides a method for processing an anode device of an ultraviolet photon counting integral imaging detector so as to overcome technical problems that the precision of a crossed position-sensitive anode is difficult to achieve by adopting traditional machining technologies, and that an upper conductive layer and an insulating layer cannot be precisely processed by adopting general photoetching technologies. The PCB (printed circuit board) processing technology adopted by the method mainly comprises the steps of precasting a photoetching diaphragm plate, etching an anode pattern, bonding modules, precisely covering the photoetching diaphragm plate, cutting an insulating material by adopting femtosecond laser and connecting a via plated though hole interface. The method provided by the invention is high in processing precision, simple in process, high in yield, low in cost, and capable of carrying out mass production in a large scale.

The invention discloses an odometer applied on a vehicle axle for metering vehicle-miles of travel. The odometer comprises a shell, a through hole formed in a central position of the shell, a double-screw bolt penetrated in the through hole and matched with the through hole, a self-locking nut matched and connected with the double-screw bolt in a threading manner, a turbine worm mechanism disposed in the central position of the shell and installed inside the shell, a copper sleeve sleeving a worm, a counterweight balancing mechanism connected with the turbine worm mechanism by virtue of the copper sleeve, a turbine shaft penetrating through the central position of a turbine, supporting frames respectively arranged at two ends of the turbine shaft, a ratchet mechanism disposed at one side of the turbine worm mechanism and installed on the supporting frames and a counting mechanism arranged at the bottom end of the turbine worm mechanism and driven by the ratchet mechanism. The odometer not only can provide accurate and intuitive mileage information, but also can solve the problem that the traditional odometer cannot directly meter the mileage of a trailer with no driving speed changer.

The invention relates to the technical field of textile equipment, in particular to a ribbon arranging device with automatic warning and automatic counting functions for a ribbon loom. The device comprises a machine body, wherein the machine body comprises a fixing frame, a transmission mechanism, a camera shooting mechanism, a counting mechanism, an abnormal warning sensing system, a transmission mechanism and a ribbon throwing and arranging mechanism; the ribbon throwing and arranging mechanism comprises a side disc; a triangular eccentric rotating wheel is arranged on the side disc; an abnormal sensor is arranged on the side disc; the abnormal warning sensing system comprises an abnormal image collecting module, an abnormal recognition module, an abnormal warning module and an abnormal braking module; and a rewinding frame is arranged at the bottom end of the fixing frame. According to the device, abnormal processing is conducted through the abnormal warning sensing system, the automatic ribbon arranging and counting functions are achieved, abnormal ribbons can be warned and stopped in time, manual ribbon arranging and counting by production personnel are avoided, labor is saved, labor intensity is lowered, safety coefficient is increased, and production efficiency is improved.

The invention discloses a lens sorting and conveying device. The lens sorting and conveying device comprises a device body, a motor, a conveying housing, substance storing cavities and a control panel, wherein the substance storing cavities are formed in two sides of the bottom of the device body; the motor is mounted on the outer wall on one side of the device body through a supporting plate; a rotating shaft is mounted at the output end of the motor through a coupling, and a belt pulley is fixed to the surface of the rotating shaft; the conveying housing is mounted at the top end of the device body; rotating rollers are hinged to two sides in the conveying housing, a U-shaped bracket is mounted on one side of the top end of the conveying housing, and an air cylinder is fixed to the central position at the top end of the U-shaped bracket, and a detecting frame is arranged under the air cylinder; and the control panel is fixed to the central position of the surface of the conveying housing. According to the lens sorting and conveying device disclosed by the invention, the convenience degree of the sorting and conveying device when the sorting and conveying device is used is increased, the efficiency of the sorting and conveying device during sorting is improved, and an intelligent detection function of lenses is realized.

The invention discloses an automatic PCB sorting system and method. The automatic PCB sorting system comprises a central processing system, an infrared-ray identifying device for identifying a productdimension, a transmission system for PCB transmission, a bearing plate for placing PCBs, an optical scanning system and a board reshaping machine. The automatic PCB sorting system can realize automatic sorting of the PCBs, is high in sorting efficiency, is high in accuracy, reduces the cost, can sort products which do not meet requirements, ensures product quality, avoids a follow-up package mixing condition, can realize a PCB counting function through a multi-position type counting bearing plate, avoids manual counting errors, and improves production efficiency.

The invention discloses a browser fingerprint detection behavior monitoring method. The method comprises the following steps: 1) rewriting an API that can be used for fingerprint detection, and addinga counting function; 2) requesting, by a browser, a page from a web server, replacing the API in a page script returned by the web server to the browser with the rewritten corresponding API, and thenreturning the modified page script to the browser; 3) when the rewritten API is called by the web server for execution, updating the execution times of the API, and then injecting a counting result in the page; 4) when the browser requests the page from the web server again, extracting a Cookie value from an HTTP header requested from the page, and transmitting the Cookie value to a target domain; and 5) determining a browser fingerprint detection behavior of the web server through the Cookie value in the target domain. By adoption of the browser fingerprint detection behavior monitoring method disclosed by the invention, a user can intuitively understand the degree of leakage of the own browser fingerprint.

The invention discloses a miniature banknote sorter, comprising a fifth DC motor, a banknote feeding mechanism, a guiding mechanism, a banknote guiding mechanism and a banknote discharging mechanism; a banknote pressing plate is connected to an eighth shaft; a sixth shaft is connected through a pair of bearing semicircular bosses; the bearing semicircular bosses are fixedly connected to a third support through a bolt; cone gears are symmetrically arranged on the sixth shaft; a tenth shaft is in transmission connection with a second DC motor through a second synchronization wheel belt; the second synchronization wheel belt is in transmission connection with a fourth DC motor; a first banknote box is arranged on the left of a first shaft; a fifth DC motor is in transmission connection with a third synchronization wheel; and a fourth synchronization wheel belt is connected to an offset wheel support. The miniature banknote sorter can realize banknote sorting speed of 300 / sec, has high efficiency and greatly reduces sorting time and sorting labor of staff.

The invention discloses an energy transmission-integration counting system based on mechanical energy. The energy transmission-in-one counting system comprises an electromagnetic power generation structure, a counting measurement circuit, a counting energy supply circuit, a controller and a wireless transmission module, the electromagnetic power generation structure generates power under the driving of external equipment and transmits electric signals to the counting measurement circuit and the counting energy supply circuit respectively; the counting measurement circuit outputs correspondinghigh and low levels to the controller by comparing input electric signals; after receiving the electric signal, the counting energy supply circuit charges or stops charging under the control of the controller, and meanwhile, the counting energy supply circuit supplies power to the controller; the controller controls the counting energy supply circuit according to the relation between the voltage of the monitoring counting energy supply circuit and a set voltage threshold value; meanwhile, counting is carried out according to the corresponding relation between the high-level output rule and 'whether counting is needed or not', and the high-level output rule and 'whether counting is needed or not' are transmitted to the wireless transmission module for external equipment to read counting data. Energy supply and sensing are combined, and the counting function of the sensor can be achieved while power is generated.

The invention discloses a circuit breaker action frequency counting device and method. The device comprises an open-type current sensor and a counter, wherein the open-type current sensor is electrically connected with the counter; a power supply line of an opening and closing coil of the circuit breaker penetrates through the open-type current sensor, and the open-type current sensor is used forcollecting a current signal flowing through the opening and closing coil of the circuit breaker of the power supply line and sending the current signal to the counter; and the counter is installed ona guide rail of a control cabinet of the circuit breaker, and the counter is used for obtaining a sampling value from the current signal and counting the action times of the circuit breaker accordingto the sampling value. The function of counting the action times of the circuit breaker in a non-intrusive manner is realized, the counting value of the circuit breaker can be remotely transmitted ina wireless manner, the field reading of inspection personnel is avoided, and the method has important significance for improving the state monitoring capability of equipment and improving the workingefficiency of the inspection personnel.

The invention relates to a counting type supply device for flexible mineral insulated cable product connectors. The counting type supply device comprises a base and a supply slideway installed on the upper left side of the base in a hinged mode. An inclined supply material passageway is installed on the rear part of the base, and the front end of the inclined supply material passageway abuts against the rear side wall of the right part of the supply slideway. A linkage block is installed at the right end of the supply slideway. The linkage block is connected with a swing driving assembly. The swing driving assembly is matched with a counting assembly. The counting type supply device is high in automation degree, and the supply slidingway can be controlled to swing to control the cable product connectors to be fed one by one; and during each time of feeding, the feeding counting function can be achieved through the manner of controlling a first rotating wheel to rotate and controlling a second rotating wheel to rotate in a carry mode, and practicability is high.

The invention relates to a badminton ball picking robot, belonging to the field of picking robots. A ball bucket supply mechanism is fixedly connected above a chassis; the lower end of the ball bucketis connected to the ball bucket supply mechanism, and the upper end is below a machine head; the lower part of a ball sucking tube is fixedly connected to a hole in the center of the chassis, and theupper end is located below the center of the machine head; the two ends of a center pillar tube are located between the chassis and the machine head separately, which are used for supporting the machine head; the lower end of a hollow aluminum profile wire trunking is fixedly connected to the upper part of the chassis, and the upper end is fixedly connected to a hinge; the hinge is also hinged tothe machine head; and the machine head can rotate about the hinge axis of the hinge. The advantages of the badminton ball picking robot are as follows: the structure is novel; pneumatic ball pickingis adopted, therefore, the damage to badminton during ball picking is greatly reduced; the posture of badminton can be adjusted during the pneumatic ball picking process, which facilitates the subsequent process to arrange the badminton, and enables the robot to store a large number of badminton; a photoelectric proximity switch can realize the badminton counting function; and the mobile chassis can realize the automatic ball picking function.

The invention provides a dripping speed counting and emergency alarm hanging meter for medical personnel. The hanging meter comprises a hanging meter main body. The hanging meter main body is an electronic hanging meter capable of timing; the hanging meter main body comprises a shell, an adjusting button, a clock chip, a power supply and a display screen; a single-chip microcomputer and a camera shooting unit are further arranged in the shell; and the adjusting button, the clock chip and the display screen are connected with the single-chip microcomputer, the camera shooting unit is connectedto the power supply, the display screen is installed on the upper surface of the shell, a clamping part is fixed to the lower surface of the shell, and a rapid dripping monitoring device is arranged in the clamping part and connected to the single-chip microcomputer. In the invention, droplet counting is carried out through the rapid dripping monitoring device; and a problem that manual dripping speed counting is not accurate enough can be solved, meanwhile, a workload of a medical staff can be reduced, the time of the medical staff can be saved, security personnel can be reminded of medical disturbance or violent events and the like in time, the security personnel can conveniently and quickly know the situation and give an alarm in time, and the life safety of the medical staff is guaranteed.

The invention discloses an intelligent badminton racket action recognition system which comprises a racket comprising a racket head and a racket handle; a human body signal acquisition device, used for acquiring the three-axis acceleration, the three-axis angular velocity and the three-axis attitude angle of the racket, the human body signal acquisition device comprising a main control chip, a motion sensor, a Bluetooth module and a lithium battery, and the main control chip being electrically connected with the motion sensor, the Bluetooth module and the lithium battery; and a human body action analysis device, used for decoding the data acquired by the human body signal acquisition device and obtaining an identification result by utilizing a motion identification method, and the human body action analysis device having a network training mode and a competition mode. According to the intelligent badminton racket action recognition system, the effect of more accurate training is achieved by learning the exercise data sample of each athlete, and the starting point and the ending point of each action are determined by adopting an exercise recognition method, so that the counting function of various actions is realized.

The invention discloses a safety type lithium ion battery, and belongs to the technical field of lithium ion batteries. According to the safety type lithium ion battery, when the lithium ion battery has abnormal high temperature, a copper block can be far away from a first conductive block by utilizing weakening of magnetic force between a ferrite magnet and a magnetic net, so a function of automatically disconnecting the battery from a circuit is realized, and the indicating ball is arranged on the lithium ion battery to avoid continuous heating of the battery and ensure the safety of the battery; meanwhile, the frequency of abnormal high temperature of the lithium ion battery can be displayed according to the number of the color balls in the transparent tube in the indicating ball, the working state of the battery can be visually known when a maintainer overhauls the battery, the maintainer is helped to rapidly troubleshoot the abnormal battery, and the use safety of the lithium ion battery is improved; when the temperature of the lithium ion battery is abnormal, the attachment net can be shortened, so the thermal grease in the storage ring automatically flows out, and the lithium ion battery is helped to be rapidly cooled.

The invention relates to an oil field well workover treatment tool, in particular to hydraulic tongs capable of realizing the automatic loading / unloading of an oil pipe and a sucker rod. The hydraulictongs comprise main tongs, back tongs, a high-low-speed gear shift mechanism and a connecting support. The back tongs are arranged on the connecting support; the main tongs are positioned above the back tongs and are connected with the back tongs through a guide bar; and the main tongs can reciprocate up and down along the guide bar. The high-low-speed gear shift mechanism is arranged on the maintongs; the output end of the high-low-speed gear shift mechanism is connected with a gear shift device inside the main tongs; and the high-low-speed gear shift mechanism is also connected with a hydraulic control module. The hydraulic tongs are connected with a hydraulic tongs telescopic bracket of the machine body of the well workover machine through the connecting support. The hydraulic tongs are driven by the telescopic bracket to realize automatic telescoping, thereby freeing operators from a dangerous operating environment. Automatic operation is realized for the loading / unloading of thehydraulic tongs, thereby not only reducing the labor intensity of workers, but also avoiding possible accidental injury of workers during the operation.

The invention discloses a browser fingerprint detection behavior monitoring method. The method comprises the following steps: 1) rewriting an API that can be used for fingerprint detection, and addinga counting function; 2) requesting, by a browser, a page from a web server, replacing the API in a page script returned by the web server to the browser with the rewritten corresponding API, and thenreturning the modified page script to the browser; 3) when the rewritten API is called by the web server for execution, updating the execution times of the API, and then injecting a counting result in the page; 4) when the browser requests the page from the web server again, extracting a Cookie value from an HTTP header requested from the page, and transmitting the Cookie value to a target domain; and 5) determining a browser fingerprint detection behavior of the web server through the Cookie value in the target domain. By adoption of the browser fingerprint detection behavior monitoring method disclosed by the invention, a user can intuitively understand the degree of leakage of the own browser fingerprint.

The invention discloses a dumpling counting refrigerator. The dumpling counting refrigerator comprises a refrigerator body, a dumpling storage box and a counting discharge device, wherein the dumplingstorage box is installed on the refrigerator body, and the counting discharge device is installed on the refrigerator body. The dumpling counting refrigerator has the beneficial effects that the counting discharge device is arranged to enable dumplings to be discharged one by one, and the counting function of the dumplings is realized by coordinating with counting by a sensor; the sealing performance of the refrigerator body is improved though the arrangement of a lower baffle; and the dumpling counting refrigerator is simple in structure, convenient and rapid to use, high in efficiency, time-saving and labor-saving, and has great practicability.

The invention discloses a ring toy. The ring toy includes a base, a sleeve rod and a ring. The sleeve rod includes a main rod and a branch rod. The detection device includes a telescopic assembly, a magnet block, a reed switch and a controller electrically connected to the reed switch, the telescopic assembly has a fixed end fixed to the main rod and a telescopic end opposite to the fixed end, The distance between the telescopic end and the corresponding branch rod is less than the thickness of the ferrule, the reed switch is arranged close to the fixed end, the magnet block is telescopically arranged on the telescopic assembly, and the telescopic When the end is hit by the ferrule, it shortens and makes the distance between the reed switch and the magnet block smaller, thereby triggering the reed switch to close and sending an acknowledgment signal to the controller, which receives The confirmation signal is determined to be in the trap. The ring toy has automatic scoring function, simple structure and low cost.

The invention relates to the technical field of sports equipment, in particular to a tensioning cylinder type tennis ball ejection device and a method thereof. The tensioning cylinder type tennis ballejection device comprises a temperature detection system, an infrared counting system, a communication system, a central processing system, a cleaning system and a ball feeding system; the temperature detection system is arranged on an ejection cylinder, so that damage to the tennis ball or the ejection device when the temperature of the ejection cylinder wall is abnormal caused by too many ejection times is avoided; the infrared counting system is provided and can monitor the ejection number of the tennis balls in real time, so that loss of the tennis balls caused by the fact that the ball picking number is not consistent with the ejection number is avoided, and counting and check of the tennis ball number are facilitated; the tennis ball on the lower part of a storage box is prodded tothe orifice of a ball feeding cylinder by a scraping plate, the scraping plate automatically returns, and the orifice of the ball feeding cylinder can accommodate only one tennis ball at a time, so one-time movement of the scraping plate is one-time ball feeding and the infrared counting system can perform corresponding counting; and the tensioning cylinder type tennis ball ejection device is simple in structure, convenient and quick in operation and higher in safety, and has more complete functions and higher creativity.

A road congestion detection method with robust vehicle target detection as the core. Firstly, the YOLOv3 model network is used for vehicle detection; Accurate counting of vehicles is achieved by checking whether the intersection of the frame and the vehicle detection frame and the vehicle detector is greater than the set threshold, and record the position and size information of the vehicle within a certain period of time; use NMS to filter information and estimate the maximum carrying capacity; finally, the specific Quantify the congestion index CI, and use the congestion index to accurately judge the congestion level of the road section. The method of the invention can directly and clearly obtain the road traffic congestion situation in a simple, convenient, economical and real-time manner, is convenient for local traffic police departments to apply, and has decision-making reference value.