41results about How to "Meet the needs of operation" patented technology

The invention belongs to the field of water treatment, and relates to a method for strengthening the activity of anaerobic ammoxidized microorganisms through polyvinyl alcohol-sodium alginate-activated carbon embedment. The method comprises the following steps of: soaking activated carbon in anaerobic ammoxidized basic inorganic salt solution, and preparing an embedding medium by using polyvinyl alcohol, sodium alginate and the activated carbon into in a proportion; and uniformly mixing treated anaerobic ammoxidized sludge and the embedding medium in a volume ratio to obtain immobilized balls, and culturing to obtain the anaerobic ammoxidized microorganisms steadily coupled on the activated carbon. The invention aims at wastewater with low carbon-nitrogen ratio, and can provide a method for embedding the anaerobic ammoxidized sludge by using the sodium alginate and the polyvinyl alcohol as carriers and the activated carbon as a strengthening agent, and a technology for strengthening the activity of the anaerobic ammoxidized microorganisms and enabling the anaerobic ammoxidized microorganisms to resist the influence of adverse environment. By the method, sewage plants can run more steadily for a long time, and the conditions of actual operation management of the sewage plants are met.

The invention relates to a method for water interception curtain grouting in leakage hydraulic concrete, and belongs to the technical field of hydropower station mass concrete grouting. At first, hole site lofting and in-position of equipment are carried out, then drilling is conducted in a row separation, order separation and subsection mode, joint washing of wind and water in holes and a simple water pressure test are carried out, the wind is blown to drive the water, cement grouting in a row separation, order separation and subsection mode can be conducted, meanwhile lifting observation is carried out, and finally the holes are sealed, drilling and core taking of inspection holes are conducted, and inspection and acceptance are conducted through an acoustic wave test, camera shooting in the holes, the water pressure test and the like. The method is suitable for leakage grouting processing generated due to concrete interlayer joints, concrete defects and other reasons.

The invention discloses a terminal process control method and system. The method includes the steps that a process of a terminal is divided into multiple running grades in advance according to the importance degree from low to high; CPU temperature of the terminal is monitored, and the running grade corresponding to the CPU temperature is determined according to the corresponding relationship of preset temperature and the running grade; the process in the running grade is controlled to be closed. When all processes corresponding to the CPU temperature of a current smart phone are closed, memory and CPU resources occupied by the processes are reduced, the CPU temperature is lowered, the process with the lowest importance degree to a user is closed first, the processes with high importance degree to the user are closed later, requirements of people for process running are fully met, the phenomenon that the user accidentally uses malware or junk software which runs in the background continuously and cannot be closed by the user can be avoided, and excessively high CPU temperature caused by running of malware or junk software is prevented.

The invention relates to a triangle of a high device number towel machine and a design method. The triangle comprises a raising cam and a stitch cam, wherein a raising curve track is arranged on the raising cam, a stitch curve track is arranged on the stitch cam, the side surface at one end of the raising cam is arranged oppositely to the adjacent surface of the stitch cam, a triangle clearance is formed between the two end surfaces, arranged oppositely, of the raising cam and the stitch cam, the port of the raising curve track and that of the stitch curve track are in butt joint at the adjacent opposite surfaces of the raising cam and the stitch cam, the distance from the center of the raising port of the raising cam to the lower end surface of the raising cam is the raising height, the highest position of the raising curve track is the highest raising point, and the lowest position of the stitch curve track is the lowest stitch point. The triangle of the high device number towel machine is applicable to a circular knitting machine, and the newly designed triangle enables production of a high device number towel cloth to be possible.

The invention discloses a suspended ceiling structure of a long span underground powerhouse and a construction method thereof. The suspended ceiling structure of the long span underground powerhouse comprises two equilong rock anchor beams which are constructed and completed are located on two sides of an upstream and a downstream, a steal arched beam is located between the two rock anchor beams and stretches across in the upstream and downstream directions, an arched waterproof layer purlin support and an arched waterproof layer purlin strip are supported at the top flange of the steal arched beam, and an arched waterproof board is fixed to the arched waterproof layer purlin strip; a plurality of steel hanging rings and steel hanging rods are hung on the bottom flange of the steal arched beam, a main runner of a horizontal decorating layer is hung under the steel hanging rods, and a horizontal decorating layer purlin strip is fixed under the main runner; a fixed decorating board is installed on the lower surface of the horizontal decorating layer purlin strip, a plurality of air conduits are arranged in space between the horizontal decorating layer and an arched waterproof layer, and a plurality of maintenance trestle roads along cliffs are installed on the upper surface of the main runner. The steel arched beam and all steel components can be conveyed to a site to install after being processed, manufactured and completed in a factory, the construction is convenient, and the construction period is shortened. The water seepage of a powerhouse top arch is drained to an upstream and downstream side wall drainage ditch from an upper layer of the waterproof board, the problem that the top arch leaks water is solved, a decorating role of a lower layer of the horizontal decorating layer is played, and the operating requirement of power station is met.

A ether containing organic silicate characterized in that, it has the structural formula disclosed in the specification, wherein the process for preparing the organic silicate comprises the steps of, carrying out amination reaction of gamma-amine propyl triethoxysilicane alkyl or gamma-amine propyl trimethylsilicane oxysilane with dichlorine polyoxyethylene ether or dichlorine-polyoxymethylene at the temperature of 50-180 deg. C for 1-10 hours, the obtained product is done through basic hydrolysis at the temperature of 50-150 deg. C for 0.5-5 hours to obtain the end product.

The invention discloses a self-centering constant velocity universal joint assembly. The self-centering constant velocity universal joint assembly comprises a first column, a second column, a frame flange, a spline sleeve assembly, a protection sleeve assembly, an outer half shaft, a first outer sleeve, a second outer sleeve, a first cross shaft, a second cross shaft, a third cross shaft, a fourth cross shaft, a first frame fork, a second frame fork and a third frame fork. By means of the assembly, the turning angle in the transmission process can be reduced, the using environment of a transmission shaft is improved, and the self-centering constant velocity universal joint assembly can adapt to severe environments.

Warp knitting machine having a warping section, a yarn supply section and yarn tension means in which for each yarn is provided a tensioning spring (15) comprising a guiding means (17). Such a warp knitting machine should be operated with a higher speed and enhanced possibilities for patterning. To this end the tensioning spring (15) is made of fiber enforced plastic.

The invention discloses a handheld multi-degree-of-freedom hemostatic cutter for an endoscope. The hemostatic cutter comprises an operating handle, a tool rod, an autorotation body and a cutter head. The hemostatic cutter is characterized in that: the upper and lower ends of the tool rod are provided with a deflecting wheel set respectively, the upper end of the deflecting wheel set at the upper end of the tool rod is connected with the operating handle through an autorotation seat, and the lower end of the deflecting wheel set at the lower end of the tool rod is connected with the autorotation body through the autorotation seat; the lower end of the autorotation body is connected with the telescopic cutter head; and the lower end of the cutter head is provided with at least two operating needles. The hemostatic cutter can assist a surgeon in finishing hemostatic cutting operation under a pure endoscope condition, saves complex suturing operation in the process of excising a tissue or an organ, and realizes less bleeding and even no bleeding so as to save the surgery time and ensure the surgery quality.

The invention relates to a flexible circuit board structure with aluminum foil replacing a polymer flexible film, which comprises an aluminum foil layer, a conductive layer and a high-thermal-conductivity insulating glue layer, wherein the upper end face of the aluminum foil layer is evenly coated with the high-thermal-conductivity insulating glue layer with the thickness not larger than 0.5 mm, the upper end face of the aluminum foil layer is connected with the conductive layer through the high-thermal-conductivity insulating glue layer, and the conductive layer and the aluminum foil layer are distributed in parallel. The specific preparation process comprises the steps of pretreating the aluminum foil layer, coating the high-thermal-conductivity insulating glue layer and positioning theconductive layer. On one hand, the flexible circuit board is simple in structure and production process, low in production cost and good in structural strength, toughness, insulating property and flame retardance, on the other hand, compared with a traditional PI film, the production and use cost of the flexible circuit board can be effectively reduced, the high temperature resistance and circuitload capacity of the flexible circuit board are improved, requirements of operation of a large-load and large-circuit circuit system are effectively met, so that the effects of improving the comprehensive performance of the flexible circuit board and reducing the production and use cost are achieved.

The invention relates to equipment capable of improving quality of a cigarette filter tip, which mainly comprises a converging wheel arranged in front of a cigarette paper wrapping device and used foroverlapping and adhering an outer-layer paper tape and an inner-layer paper tape; a gluing device is arranged between the inner-layer cigarette paper disc and the converging wheel and used for brushing a bonding layer on the inner-layer paper tape entering the converging wheel; an eccentric wheel is arranged between the gluing device and the converging wheel, and the two ends, with different lengths, of the eccentric wheel alternately slide to abut against the side, without the bonding layer, of the inner-layer paper tape and used for adjusting the tension degree of the inner-layer paper tape; and a cutter wheel is arranged on one side of the converging wheel and used for cutting off the inner-layer paper tape which enters the converging wheel and is not intersected with the outer-layer paper tape. The double-layer paper at a free end of the cigarette can improve the mechanical strength of the butt joint position of the cigarette and the filter tip while meeting the requirement for operation of a high-speed cigarette making machine, and therefore the requirement for twisting and rolling during butt joint of the filter tip can be further met, and the quality of the cigarette filtertip connecting process can be improved.

An embedded track structure of a high-speed railway comprises a base and a track plate on the base, and is characterized in that the track plate is formed by prefabricating reinforced concrete, and aheight adjusting base plate, an elastic base plate and a steel rail are arranged in two track bearing grooves in the track plate from bottom to top; track adjusting grooves are longitudinally formed in the track bearing grooves at equal intervals; track adjusting pieces on the two sides of the steel rail in the track adjusting grooves are fixed to the bottoms of the track adjusting grooves throughanchor bolts; damping blocks are embedded between the front hammers of the track adjusting pieces and the rail webs of the steel rails; polyurethane filling bodies are filled between the track bearing grooves outside the track adjusting grooves and the steel rails; the bottom surface of the track plate is connected with a cast-in-place self-compacting mortar layer; and protrusions on the top faceof the self-compacting mortar layer are matched with grooves in the bottom face of the track plate, and an isolation layer is arranged between the bottom face of the self-compacting mortar layer andthe prefabricated base. The track structure can greatly reduce environmental noise, and reduce corrugation of steel rails and maintenance of anchor bolts, and track maintenance is convenient and low in cost; and batch and mechanical production and automatic laying of the tracks can be realized, so that the high-speed railway lines are convenient and quick to lay.

The invention belongs to the field of ships. A method for designing a ship propeller in an ice area is disclosed. A lifting line method and a lifting surface method are combined in the design. The design results are taken as the initial input of the lifting surface method, and the special parameter limits of the ship propeller in the ice area are input in the design process. The strength is checked according to the classification society code, and then the hydrodynamic calculation is carried out. The invention realizes the propeller design of the ice area ship and provides a reference for thedesign and construction of the ice area ship. The method can be implemented easily by programming, is high in design efficiency, and can reduce wake shrinkage and aft-ship wake effects, and reduce cavitation and noise; the special parameter limits of ship propeller in ice area are inputted in the design process, which further improves the design efficiency and meets the needs of ship propeller operation in complex ice area environment.

The invention relates to a gas station license plate unmanned aerial vehicle identification system and method based on the Internet of Things, and the system comprises an identification management server, parking space identification terminals, roadblock guide terminals, and an Internet of Things communication network, and the parking space identification terminals and the roadblock guide terminals establish data connection with the identification management server through the Internet of Things communication network, wherein the number of the parking space identification terminals is consistent with the number of oiling machines in the gas station, and the gas station entrance and exit are respectively provided with one roadblock guide terminal. The use method comprises three steps of system networking, identification system setting and license plate identification. On one hand, the requirements of operation of various gas station facilities can be effectively met, and the system maintenance and management cost is low; and on the other hand, the requirements for vehicle recognition, flow guiding and identity recording operation can be met, the situation that vehicles run, are managed and dispatched disorderly in the gas station is effectively avoided, and the overall running and management efficiency and reliability of the gas station are improved.

The invention relates to an anti-misoperation device of a circuit breaker electric operation mechanism (referred to as electric operator), which is used for preventing misoperation when a circuit breaker equipped with the electric operator is impacted and is characterized in that the anti-misoperation device of the electric operator comprises a mounting plate (1), a mounting block (2), a magnet (3), a iron sheet (4) and a sliding block (5). The mounting plate (1) is a mounting substrate of the electric operator and is fixed on the circuit breaker, the mounting block (2) is made of non-metallic materials and fixed on the mounting plate (1) through a screw, the magnet (3) is fixed on the mounting block (2) through the screw, the iron sheet (4) is fixed on the sliding block (5) through the screw, the sliding block (5) is one part of the electric operator, and the sliding block (5) drives the circuit breaker to carry out up and down (opening and closing) motion. When the circuit breaker is closed, the position of the iron sheet on the sliding block is just at the position which is attracted by the magnet. The magnet firmly attracts the iron sheet under the situation of strong impact, thereby preventing that the electric operator drives the circuit breaker to be impacted and further avoiding misoperation.

The invention discloses an oil gas discharging treatment system, comprising a safety shut-off valve connected to the down stream of an exhaust port of oil gas equipment, a main pipeline communicates with the down stream of the safety shut-off valve, and centrifugal fans are arranged on the main pipeline; a total hydrocarbon concentration analyzer matched with the safety shut-off valve is arranged at an air inlet of each centrifugal fan, and an air outlet of each centrifugal fan communicates with a burning conveying pipeline; the down streams of the burning conveying pipelines are connected with heating furnaces in a one-to-one correspondence mode, and anti-backfire assemblies positioned on the up streams of the heating furnaces are arranged on the burning conveying pipelines; and if the total hydrocarbon concentration analyzers detect that the content of the total hydrocarbon in the main pipeline is lower than 2%, the safety shut-off valve is kept in an on state, and if the total hydrocarbon concentration analyzers detect that the content of the total hydrocarbon in the main pipeline is not lower than 2%, the safety shut-off valve is disconnected, so as to prevent oil gas from flowing into the main pipeline. The oil gas discharging treatment system can effectively control the content of the total hydrocarbon in the discharged exhaust gas.

The invention relates to an anti-misoperation device of a circuit breaker electric operation mechanism (referred to as electric operator), which is used for preventing misoperation when a circuit breaker equipped with the electric operator is impacted and is characterized in that the anti-misoperation device of the electric operator comprises a mounting plate (1), a mounting block (2), a magnet (3), a iron sheet (4) and a sliding block (5). The mounting plate (1) is a mounting substrate of the electric operator and is fixed on the circuit breaker, the mounting block (2) is made of non-metallic materials and fixed on the mounting plate (1) through a screw, the magnet (3) is fixed on the mounting block (2) through the screw, the iron sheet (4) is fixed on the sliding block (5) through the screw, the sliding block (5) is one part of the electric operator, and the sliding block (5) drives the circuit breaker to carry out up and down (opening and closing) motion. When the circuit breaker is closed, the position of the iron sheet on the sliding block is just at the position which is attracted by the magnet. The magnet firmly attracts the iron sheet under the situation of strong impact, thereby preventing that the electric operator drives the circuit breaker to be impacted and further avoiding misoperation.

The invention proposes an auxiliary backup power supply under emergency traction conditions, including four parts: input pre-charging circuit, three-phase inverter circuit, LC filter circuit and output power distribution unit; the pre-charging circuit is used to The voltage precharges the DC‑LINK capacitor; the three-phase inverter circuit is used to convert the output of the precharge circuit from DC to AC; the LC filter circuit is used to suppress the high-order harmonics of the AC output of the three-phase inverter circuit, and the three The output filter of the phase inverter circuit is a smooth sine wave; the output power distribution unit is used for the power supply switching between BUI and external SIV, time-sharing start and the realization of system logic. The invention solves the problem of paralysis of the traction system under the failure of the auxiliary converter of the train, has small size, light weight, high output voltage steady-state precision, strong overload capacity and load impact resistance, and fast dynamic response.

The invention provides an auxiliary standby power supply under an emergency traction working condition. The auxiliary standby power supply comprises an input pre-charging circuit, a three-phase inverter circuit, an LC filter circuit and an output power distribution unit. The pre-charging circuit is used for pre-charging a DC-LINK capacitor according to the input voltage and the output voltage of the pre-charging circuit; the three-phase inverter circuit is used for converting the output of the pre-charging circuit from direct current to alternating current; the LC filter circuit is used for suppressing higher harmonics output by the alternating current of the three-phase inverter circuit and filtering the output of the three-phase inverter circuit into smooth sine waves; and the output power distribution unit is used for power supply switching between a BUI and an external SIV, time-sharing starting and implementation of system logic. The problem that a traction system breaks down under the condition that the train auxiliary converter breaks down is solved, the size is small, the weight is light, the output voltage steady-state precision is high, the overload capacity and the load impact resistance capacity are high, and the dynamic response is fast.

The invention relates to an air seal type wet spraying machine discharging system and a using method thereof. The air seal type wet spraying machine discharging system comprises a discharging hopper, a distributor, a discharging pipe, a material receiving plate and a high-pressure air pipe, wherein the upper end face of the distributor communicates with the discharging hopper, the lower end face of the distributor communicates with the material receiving plate, the discharging hopper, the distributor and the material receiving plate are coaxially distributed, the front end face of the material receiving plate communicates with the discharging pipe through a flow guide opening, the rear end face of the flow guide opening communicates with the high-pressure air pipe, the discharging hopper is of a groove-shaped structure with the axial section being in an inverted isosceles trapezoid shape, the material receiving plate is of a closed cavity structure with the axis section being in a rectangular shape, the upper end face of the material receiving plate is provided with the flow guide opening and communicates with the distributor, and the using method of the discharging system comprises two steps of equipment assembling and material distributing and conveying. According to the air seal type wet spraying machine discharging system and the using method thereof, on one hand, materials in a powdery state, a liquid state, a solid-liquid mixed state and the like can be effectively and continuously distributed and conveyed, on the other hand, the defect that when a traditional wet spraying machine operates, due to the fact that the pressure of the discharging position is too large, the materials in a charging barrel flow back, and material supply and feeding stability is poor is effectively overcome.

The river patrol management platform comprises a river patrol management subsystem and a mobile terminal application APP system, and is characterized in that 1) when a river patrol person carries a handheld device provided with a river patrol APP to patrol a river, the river patrol person takes a picture to obtain evidence when the water quality of stolen drainage and a drainage port does not meet requirements; 2) uploading to a background through an APP, and when an administrator receives a picture and an event description uploaded by a river patrolling person on a river patrolling management platform, notifying a local river leader of the event to check and process; (3) after the local river leader receives the circulation event, checking the site, and if the drainage belongs to secret drainage and the water quality of the drainage port does not meet the requirement, tracing the source of the drainage port to determine the source of the sewage; and 4) if the sewage is discharged by the enterprise, reporting the problem, and instructing the sewage discharge enterprise to rectify within the limit and review after the rectification is finished, if the sewage is not discharged by the enterprise, carrying out other related investigation to determine the pollution source, and if the sewage is not discharged by the enterprise, ending the work order in the system.

The invention relates to a method for water interception curtain grouting in leakage hydraulic concrete, and belongs to the technical field of hydropower station mass concrete grouting. At first, hole site lofting and in-position of equipment are carried out, then drilling is conducted in a row separation, order separation and subsection mode, joint washing of wind and water in holes and a simple water pressure test are carried out, the wind is blown to drive the water, cement grouting in a row separation, order separation and subsection mode can be conducted, meanwhile lifting observation is carried out, and finally the holes are sealed, drilling and core taking of inspection holes are conducted, and inspection and acceptance are conducted through an acoustic wave test, camera shooting in the holes, the water pressure test and the like. The method is suitable for leakage grouting processing generated due to concrete interlayer joints, concrete defects and other reasons.

A ether containing organic silicate characterized in that, it has the structural formula disclosed in the specification, wherein the process for preparing the organic silicate comprises the steps of, carrying out amination reaction of gamma-amine propyl triethoxysilicane alkyl or gamma-amine propyl trimethylsilicane oxysilane with dichlorine polyoxyethylene ether or dichlorine-polyoxymethylene at the temperature of 50-180 deg. C for 1-10 hours, the obtained product is done through basic hydrolysis at the temperature of 50-150 deg. C for 0.5-5 hours to obtain the end product.

The invention relates to a heat insulation strip high-temperature bending device and a using method, the heat insulation strip high-temperature bending device comprises a bearing base, a workbench, positioning plastic blocks, a lifting driving mechanism, a heating mechanism and a driving circuit, the upper end face of the bearing base is hinged to the lower end face of the workbench through an adjusting mechanism, the workbench is provided with a plurality of adjusting grooves, and each adjusting groove is internally provided with a plurality of positioning plastic blocks; the lower end face of each positioning plastic block is connected with one lifting driving mechanism, the lifting driving mechanisms are embedded in the bearing base, the heating mechanism is embedded in the bearing base, and the driving circuit is embedded outside the bearing base. Comprising the two steps of equipment preassembling, bending operation and the like. According to the heat insulation strip machining device, the field occupied area during equipment construction and operation can be effectively saved, and meanwhile the requirement for synchronously machining multiple heat insulation strips of different structure types on the multiple heat insulation strips is met.

The invention relates to a triangle of a high device number towel machine and a design method. The triangle comprises a raising cam and a stitch cam, wherein a raising curve track is arranged on the raising cam, a stitch curve track is arranged on the stitch cam, the side surface at one end of the raising cam is arranged oppositely to the adjacent surface of the stitch cam, a triangle clearance is formed between the two end surfaces, arranged oppositely, of the raising cam and the stitch cam, the port of the raising curve track and that of the stitch curve track are in butt joint at the adjacent opposite surfaces of the raising cam and the stitch cam, the distance from the center of the raising port of the raising cam to the lower end surface of the raising cam is the raising height, the highest position of the raising curve track is the highest raising point, and the lowest position of the stitch curve track is the lowest stitch point. The triangle of the high device number towel machine is applicable to a circular knitting machine, and the newly designed triangle enables production of a high device number towel cloth to be possible.

The invention discloses an airport meteorological observation video auxiliary system which mainly solves the problems of multiple restrictions on the meteorological observation and big manual work load in the prior art. The airport meteorological observation video auxiliary system includes: a data input and control unit used for collecting video data output from front end cameras and airport meteorological information data and controlling the front end cameras to move; a data processing unit used for storing and analyzing the data collected by the data input and control unit and then outputting the data; and a user unit used for receiving the data output by the data processing unit and performing image display and receiving user operation control signals. The front end cameras are at least two cradle head cameras arranged near an airport runway and at least arranged at take-off and landing terminuses of the runway. According to the invention, the high definition cradle head cameras arranged near the runway are combined with an automatic meteorological observation system of the airport so as to output data and airport meteorological information, the collected data is analyzed and processed, and the problem in the traditional airport meteorological observation is effective solved.

The invention discloses a bank-integrated third-party payment system including a bearing body, a main control touch screen display, a customer control touch screen display, a printer, a signal indicator lamp, a breathing lamp, an operation key, a speaker, a power binding post, a data communication port, a microphone, a scanning camera and a control system, wherein the bearing body comprises a base and a bearing column. The method for using the bank-integrated third-party payment system comprises four steps including equipment debugging, transaction information inputting, online transaction and transaction billing. The bank-integrated third-party payment system is simple in structure, flexible to use, high in degree of integration, good in information communication ability, flexible and reliable in operation, good in operation and data communication security, can effectively meet the needs of the operation of third-party online payment platforms so as to greatly facilitate the online fund settlement payment operation between merchants and customers.

The invention relates to a method for acquiring transient temperature rise of a single cable of a combined calandria, which comprises the following steps of: 1) respectively constructing a cable core-sheath model, a sheath-tube wall model and a tube wall-environment model, and performing simulation solution to obtain parameter values related to the structure of the calandria single cable in the models; 2) at the current t moment, calculating a cable heat flow I1 according to the cable current I, and respectively obtaining a cable core-sheath transient temperature rise delta T1 and a calandria wall transient temperature rise delta T2 according to the cable core-sheath model and the calandria wall-environment model of which the parameter values are determined; and 3) calculating the tube bank wall temperature T at the current t moment according to the environment temperature, calculating the cable sheath temperature T sheath according to the sheath-tube wall model, and calculating the cable core temperature at the current t moment according to the cable sheath temperature T sheath. Compared with the prior art, the method has the advantages of rapid modeling, lean calculation and the like.

The invention relates to a gas station license plate UAV recognition system and method based on the Internet of Things. The system includes a recognition management server, a parking space recognition terminal, a roadblock guidance terminal and an Internet of Things communication network. The communication network establishes a data connection with the identification management server, and the number of parking space identification terminals is consistent with the number of refueling machines in the gas station, and a roadblock guidance terminal is installed at the entrance and exit of the gas station. Its use method includes three steps: system networking, recognition system setting and license plate recognition. On the one hand, the present invention can effectively meet the operation needs of various gas station facilities, and the cost of system maintenance and management is low; , management and scheduling chaos, and improve the overall operation and management efficiency and reliability of the gas station.