3029results about How to "Low retrofit cost" patented technology

The invention discloses a dual-fuel modified system. A natural gas supply system comprises a natural gas main pipeline, a mixer, a sensor set and a control system. The control system is in communication connection with the sensor set and an electromagnetic switch valve in the natural gas main pipeline. The dual-fuel modified system is started under the mode of diesel oil. When operation signals transmitted by the sensor set are within a preset range, the control system controls the electromagnetic switch valve to be opened, and when the operation signals transmitted by the sensor set are beyond the preset range, the control system controls the electromagnetic switch valve to be closed. According to the dual-fuel modified system, the natural gas main pipeline, the mixer, the sensor set and the control system are arranged on the basis of an original diesel engine, the original diesel engine and an ECU of the original diesel engine are not modified largely, the modifying process is simple, the modifying cost is low, and therefore the feasibility for modifying the large-scale diesel engine to the dual-fuel modified system is improved.

The invention relates to an inquiring system for car location in garage, comprising a camera set, a position mark, a licence plate identification unit, a computer system and an inquiring terminal which are connected with each other. The method comprises the following steps of: movably collecting the licence plate image information and the corresponding location information of each parking car at each parking place; converting the licence plate image information into the text information of the licence plate; storing the text information of the licence plate and the corresponding location information to the database in a mode of one-to-one correspondence; when a command for inquiring the parking place is received, finding out the corresponding location information in the database and displaying the location information according to the text information of the licence plate, which is carried in the command. By adopting the method, drivers are not needed to change or increase the present driving and parking habits, the internal devices are not needed to be changed or increased, and the location information of the parking car can be provided at any time;, therefore, the drivers only need to remember their own car numbers and can conveniently and rapidly find out the parking place.

The invention provides a business system monitoring method and system, electronic equipment and a computer readable storage medium. The method includes: collecting the log data of a business system, performing filtration and standardization preprocessing on the acquired data, screening out data from specific IP addresses and / or specific mainframes and / or specific systems from the preprocessed business system data, performing standardization and verification, judging whether the business system log processed again is an abnormal unit or not according to the preset keywords of the monitoring items corresponding to monitored services, generating a monitoring abnormity alarm according to monitoring rules, selecting a corresponding monitoring strategy to give out alarm information through one or more media and the like. The method has the advantages that zero invasion of the to-be-monitored system can be achieved, the transformation cost of the to-be-monitored system is lowered greatly, high instantaneity and arrival rate are achieved, and the like.

The invention discloses screen audience rating counting and content recommendation system and method based on a two-way set top box, belonging to the technical field of the application of digital TV set top boxes. In the method, a counting module is provided in digital TV program playing by utilizing the communication function of the two-way set top box and used for carrying out accumulative counting on programs and uploading a result to a central server; and the counting can be emptied according to required server ends. The audience rating of each program can be learnt by utilizing counted information server ends, and the related program recommendation can be provided for users by a video recommendation system according to user information for viewing programs and displayed on a set top box control interface in a menu manner. The system can provide accurate audience rating real-time counting for users and merchants as well as related information for the users, thereby greatly benefiting to the merchants and the users and having strong commercial values.

The invention belongs to the technical field of environment protection, and relates to a device and a process for temperature difference crystallizing ammonia process desulfurization, which is especially suitable for the ammonia process modification and newly-built desulfurization of the original calcium process desulfurization device. The device comprises a desulfurization tower, a densifying device, a gas-liquid heat exchanger, a circulating pump, a concentration circulating pump, a magma pump, a concentration crystallization tank and a drying system, wherein the desulfurization tower, the circulating pump, the magma pump and the drying system adopt the devices in the original calcium process desulfurization; the lower part of the densifying device is provided with a gas distributor, andthe upper part thereof is provided with spray heads which are arranged in 2-3 layers; spray heads in the desulfurization tower are arranged in 2-4 layers, a liquid supplementation pipe is connected with the spray heads at the lowest layer in the desulfurization tower; the concentration crystallization tank is a tank with a conical bottom part; and the upper part of the concentration crystallization tank is provided with a pipeline to be connected with the bottom of the densifying device, the middle of the concentration crystallization tank is provided with a pipeline to be connected with theconcentration circulating pump, and the bottom is provided with a pipeline to be connected with the magma pump. The invention can farthest utilize the original devices on the premise of guaranteeing the normal desulfurization efficiency, thereby saving the investment, reducing the energy consumption and eliminating the secondary pollution.

An oxyfuel boiler 1 is equipped with an oxygen separation apparatus 23 to produce oxygen by separating oxygen from the air, a recirculation fan 26 to supply a portion of combustion flue gas branched from the combustion flue gas discharged from the boiler to the oxyfuel boiler 1, a temperature sensor 14a to detect gas temperature at a boiler outlet 1d in the oxyfuel boiler 1, and a control apparatus 150 to calculate gas temperature at a furnace outlet 1c in the boiler from the gas temperature at the boiler outlet 1d detected by the temperature sensor 14a and control the operating condition of the recirculation fan 26 so that the calculated gas temperature at the furnace outlet 1c becomes a desired preset gas temperature.

The present invention relates to a rare-earth doped low-temperature denitration catalyst and a preparation method thereof. The main active component of the catalyst is manganese oxide, the carrier is titanium oxide, and cerium oxide and iron oxide are used as cocatalysts. The preparation method includes the following steps: adding solutions of various metal nitrates into a metatitanic acid slurry, then adjusting the pH of the mixture to obtain complete precipitation by using concentrated ammonia, stirring for a while, and performing centrifugal filtration to the resulting suspension, and drying and calcining at a temperature to obtain the rare-earth doped low-temperature denitration catalyst; wherein the molar ratio of each element is as follows: Mn: Fe: Ce: Ti = 5: (0 ~ 2): 4:20. In the temperature range of 140-180 DEG C, the denitration activity of the metal oxide low temperature catalyst of the present invention can reach 80-98%, and the catalyst has a relatively excellent water and sulfur resistance performance.

The invention discloses a device and a method for balancing an active load of a Docker container. The method comprises the following steps: receiving a to-be-executed application file and presetting to-be-executed application details; converting the to-be-executed application file into a Docker mirror image; executing an application starting command in the Docker mirror image; transmitting a registration request and registering an application to a distributed coordination server; acquiring registering information from the distributed coordination server, acquiring change data, corresponding to the container, of an application example, and analyzing the data; updating a configuration file to a general load balancer by configuring a template. According to the device and the method disclosed by the invention, a real-time active discovering and registering mechanism is realized; the general load balancer is adopted for providing services for a Docker container cluster.

A capturing method for high speed network data packet based on the zero-copy technology, relating to field of network flow capacity monitoring and analysis. The method comprises a computer at least with one network card; the computer is arranged with operation system and data packet capturing program; the data packet capturing program captures the data packet via the network card. The method comprises following steps: 1) initialization of the network card, 2) initialization of the data packet capturing program, 3) starting data capture, being characterized in that: steps of the starting data capture are: a, the network card of a hardware layer passes the received data packet to the network card driven program of the core layer via DMA way; b, the data packet capturing program of a user layer obtains the data packet received by the network card driven program via mapping way. The capturing method for high speed network data packet based on zero-copy technology of this invention implements high speed network data packet capture based on the hardware platform and zero-copy technology. The invention has advantages of low system expense, high efficiency of capture and low reclaiming cost.

The invention discloses a people searching method and system based on face and human body identification; the method selects an identification mode from two identification modes through sharpness determinations, thus providing options for the identification modes, and effectively improving the identification performance; the method uses a human body identification mode to carry out after-detection tracking, thus preventing face identification failure caused by an unclear face, realizing face detection and tracking of a target person, improving the city safety level without changing hardware, and saving modification costs; the method uses the human body identification to realize ID authentication and behavior monitoring, thus reducing ID authentication and monitoring failure probability, and improving post-event tracing back capability; the searching system comprises a data determination unit, a mode selection unit, and a human body identification unit; the human body identification unit also comprises a face obtaining module and a behavior detection module; beneficial effects of the method and system are realized.

The invention relates to a self-adaptive auto-switching scheme for standby power supply of an incoming circuit breaker of a transformer station. Breakers for standby auto-switching in the present power system are divided into a power type and an intermediate interconnection type. The self-adaptive auto-switching scheme for standby power supply is characterized in that self-adaptive standby switching function of standby auto-switching units can be achieved by adopting four work manners no matter what the main wiring manner of transformer station with a voltage level of 110 kV or less is; four standby auto-switching work manners can be selectively switched and the primary connection manner of a voltage transformer can be determined through protection value setting; and the state of an interconnection circuit breaker can be determined through value setting and external pressplate switching. The novel scheme can maximally reduce the alteration cost of the present equipment, and has application and popularization values. The standby self-switching unit adopting the scheme can self-adaptively operate under the different wiring manners and different operation manners without being operated by operators, thereby ensuring the power supply reliability.

The invention discloses a grounding grid corrosion rate level prediction method which comprises the following steps: (1) inputting training sample data; (2) randomly sampling training samples according to a bootstrap sampling principle in a Bagging algorithm, forming training sample bootstrap subsets with the number of M, and constituting training sample bootstrap subset data sets; (3) structuring a weak classifier model according to a k-nearest neighbor (KNN) algorithm, sequentially training the training sample bootstrap subsets with the number of M, and obtaining weak classifiers with the number of M; (4) structuring a strong classifier model according to an Adaboost algorithm; (5) inputting to-be-tested sample data, predicting a grounding grid corrosion rate level, obtaining a predicting result, and displaying the predicting result through a displayer. The grounding grid corrosion rate level prediction method has the advantages of being novel and reasonable in design, convenient and fast to use and operate, high in predicting precision, capable of achieving an accurate prediction to the grounding grid corrosion rate level by means of a small amount of data samples which are measured in the prior art, low in implementation cost, strong in practicability and high in value of popularization and application.

The invention discloses an electronic-controlled engine, an energy-saving method of the electronic-controlled engine, an energy-saving device of the electronic-controlled engine and an engineering machine. The energy-saving method of the electronic-controlled engine comprises the steps of obtaining output power of the electronic-controlled engine according to actual operation working conditions of the engineering machine, determining the current operation mode of the electronic-controlled engine according to the output power, determining an universal characteristic curve corresponding to the current operation mode according to the current operation mode, according to the universal characteristic curve, determining the optimal rotation speed of the electronic-controlled engine, adjusting the current actual rotation speed of the electronic-controlled engine into the optimal rotation speed, and enabling the electronic-controlled engine to operate in an optimal oil consumption area corresponding to the current working condition. Therefore, the optimal oil consumption area can be correspondingly set according to loads, and the purpose of effectively reducing energy consumption of the whole engine can be achieved according to the working condition with different loads.

The invention provides a train coupling failed train rescue method and system. The method comprises the steps that when a dispatch center confirms that a failed train cannot move, a coupling order and a continuous operation order are sent to a rescue train through an integrated monitoring system so as to enable the rescue train to travel towards, approach and couple the failed train, and after coupling succeeds, the integrated monitoring system sends a coupling operation order to the rescue train; the rescue train sends a brake relieving order to the failed train so as to enable the failed train to relive emergency brake and parking brake; and the rescue train travels towards a destination and is braked after reaching the destination. According to the train coupling failed train rescue method and system, under the condition that the rescue train is unpiloted, the rescue train can rapidly couples the failed train to achieve rescue under control of the integrated monitoring system, the rescue efficiency is improved, the labor cost is reduced, and the equipment modification cost is low.

The invention discloses an integrated flue gas treatment device and method. The device comprises flue gas treatment equipment, ozone supply equipment, hydrogen peroxide supply equipment, evaporation and concentration equipment, cyclic sedimentation equipment and the like, wherein the flue gas treatment equipment comprises an ozone spray oxidation reaction layer, a hydrogen peroxide spray oxidation reaction layer, an absorber spray area, a slurry circulation area and a dust and mist removal area; both the ozone spray oxidation reaction layer and the hydrogen peroxide spray oxidation reaction layer are arranged in the absorber spray area; the dust and mist removal area is positioned above the absorber spray area; both the evaporation and concentration equipment and the cyclic sedimentation equipment are arranged in the flue gas treatment equipment. The device and the method disclosed by the invention are suitable for comprehensive treatment of flue gas containing SO2, NOX, Hg and dust and resource utilization of liquid waste in coal fired boilers, iron and steel sintering machines, pellets, industry kiln stoves and the like.

The invention discloses a system for improving security of network bank transaction data. The system includes a data acquiring device for receiving transaction data input by a client, outputting the received transaction data to a data processing device, and storing the data in a data storing device; the data storing device for storing the transaction data input by the data acquiring device and the data input by the data processing device; and the data processing device for generating massage identifying code after receiving a request for user transaction, and sending the generated massage identifying code to a user mobile terminal and storing the code in the data storing device, wherein, after the massage identifying code input by the user is received, whether the massage identifying code is accordant with the massage identifying code stored in the data storing device is judged; and if the result is positive, the transaction request is sent to a bank system mainframe to carry out core business transaction, otherwise, the process is over. A method for improving security of network bank transaction data is also provided. The invention improves security of network bank transaction data.

The invention relates to an amount recognition system for code scanning payment cash register of merchants, and an implementation method of the amount recognition system. The amount recognition system is characterized in that: original cash register software of merchants does not need to be modified, and code scanning payment cash register software is additionally installed to achieve support for code scanning payment; when the code scanning payment cash register software is installed for the first time, a screenshot region in the cash register software is set by using a button (1) marked with ''selecting amount appearing region'', the code scanning payment cash register software automatically performs screenshot on a settlement amount region of the cash register software according to a preset range when carrying out code scanning payment settlement each time, an opencv computer vision library is used for performing preprocessing on a picture to generate a binary image and save it, then a specific amount is recognized and amount input is automatically achieved through OCR (optical character recognition) according to a language package which is specially trained and corrected.

The invention relates to a natural air-conditioning system which comprises a basement (2), a superstructure (1) which is positioned above the basement (2) and a ventilation structure which is used for communicating the basement (2) and the superstructure (1), wherein, the basement (2) is provided with an air inlet (33) which is communicated with the ground; the natural air-conditioning system is characterized in that the superstructure (1) is provided with a ventilation well (5) which is communicated with the basement (2), the top end of the ventilation well (5) is extended to the top part of the superstructure (1) and is communicated with the outside atmosphere; furthermore, an exhaust port (51) which is communicated with the ventilation well (5) is arranged in the internal space of the superstructure (1); and the ventilation structure comprises an air inlet mechanism (3) and an air supply mechanism. Compared with the prior art, the natural air-conditioning system of the invention has the advantages of achieving the purpose of mutual supplement between the indoor temperature and the underground temperature by the air by slightly improving the prior ventilation system, allowing the indoor temperature to be warm in winter and cool in summer, realizing the reuse all year around, greatly saving the power, having lower improvement cost and being applicable to popularization and application.

The invention discloses an AC electrified railway traction in-phase power supply device based on a YNd11 connection transformer, the traction transformer of the device is a three-phase transformer (T1) connected in YNd11, and the three primary sides of the transformer (T1) in a YN connection The three phases A, B, and C are connected to the high-voltage public power grid, and the low-voltage side terminals (a, b, c) of the transformer are connected to a power flow controller (IC), and the terminals a and b are connected to the electrified railway catenary (TR) . The device can realize the same-phase power supply for the entire railway line without phase separation, and the power supply voltage is stable, ensuring the high-speed and heavy-load operation of the locomotive; at the same time, the device can eliminate the negative sequence, reactive power and harmonics of the railway traction load on the electric energy of the public grid impact, low cost, and easy implementation.

The invention discloses an energy-saving intelligent control system for an air compressor set, which comprises an intelligent flow control system, an intelligent electric efficiency control system and a pressure container. According to the air consumption conditions monitored in time by a pressure sensor in an air supply main-pipe network of the air compressor set and air-consuming places, a sampling regulation controller and an execution controller regulate on-spot air pressure through an executing mechanism in time so as to maintain constant-pressure air supply in the pipe network in an aircompression system and prevent energy waste caused by pressure fluctuation of the pipe network; and a programmable logic controller controls the switching and operation of the controlled air compressor set, so the phenomenon that unloaded electricity does idle work is eliminated. The energy-saving intelligent control system of the air compressor set has the advantages of rational structure, high automation and obvious energy-saving effect. Meanwhile, the invention also discloses an energy-saving intelligent control method for the air compressor set.

The invention discloses a method and device for preventing touch key misoperations in a landscape screen state of a mobile terminal. The method includes the steps of detecting whether the mobile terminal is in the landscape screen state, detecting whether an application program operating currently is in a full screen state if the mobile terminal is in the landscape screen state, obtaining current work frequency of a GPU of the mobile terminal and judging whether the current work frequency of the GPU exceeds a specified threshold value if the application program operating currently is in the full screen state, and sending a broadcast to a system layer to disable touch keys and generating virtual keys corresponding to the touch keys in the touch screen of the mobile terminal if the current work frequency of the GPU exceeds the specified threshold value, wherein the virtual keys are in a hidden state in default setting and can be displayed through preset sliding gestures. The problem that touch key misoperations occur when the application program is operated in the landscape screen state can be solved, user operations can be facilitated and user experience is improved.

The invention relates to a method for protecting a subscription permanent identifier (SUPI) through utilization of 5G-AKA and belongs to the technical field of 5G communication. The method solves theproblem that in the prior art, various important sensitive information such as an identity, a location and business of a subscriber cannot be concealed well. The method comprises the following steps:a terminal initiates an authentication request, and a core network judges whether to replace identity information or not through a level and sensitive degree of the terminal; selecting an SUPI' as a new in-use identity of the terminal when it is determined that the identity information needs to be replaced; the encrypted SUPI' is sent to the terminal; and the terminal verifies authentication response, after the in-use identity of the terminal is replaced, the terminal initiates a secondary authentication request, and the authentication is carried out through utilization of the new in-use identity. According to the method, the network modification cost is low; the subscriber is not affected; the efficiency is high; the original network authentication security is maintained; and on the premise that a current core network protocol system is not changed, the subscriber sensitive information is protected through utilization of an authentication channel from the terminal subscriber to a mobile communication network.

A gutter inlet automatic overflow pollutant intercepting device comprises a clamping seat. At least one extensible rod is connected with the portion below the clamping seat. The lower end of the extensible rod is connected with a metal support. The metal support and the extensible rod are sleeved by a filter screen. The gutter inlet automatic overflow pollutant intercepting device is characterized in that the clamping seat comprises a grease absorbing cable clamping groove. According to the gutter inlet automatic overflow pollutant intercepting device, pollutants entering a gutter inlet is intercepted through the pollutant intercepting filter screen, so that the gutter inlet and a rainwater pipeline are prevented from being blocked, and the water discharging capacity of a rainwater pipeline network is improved; the pollutants are controlled from a source through the rainwater pipeline network, so that disposing pressure of a sewage disposal plant and pollution to city water by runoff pollution are reduced. Grease type pollutants in runoff rainwater can be effectively controlled through the arrangement of a grease absorbing cable, so that the following disposing cost of the sewage disposal plant and the pollution of city water are reduced, and the gutter inlet automatic overflow pollutant intercepting device has obvious environment and economic benefits. According to the gutter inlet automatic overflow pollutant intercepting device, the structure of an existing gutter inlet is not changed, the improving cost of the gutter inlet is reduced, and the gutter inlet automatic overflow pollutant intercepting device is simple in structure, practical and low in production cost.

The invention provides a visitor identification elevator access control system. An inhabitant management unit is used for receiving visitor visit requests sent by other devices, receiving authorization instructions sent by an inhabitant and sending the authorization instructions to an access registration unit or an elevator identification unit; the access registration unit is used for receiving the authorization instructions of the inhabitant, performing registration on visitors, registering identification information of the visitors and corresponding permission information of the visitors and sending the information to the elevator identification unit; and the elevator identification unit is used for receiving and storing the identification information and the permission information of the visitors, identifying identities of the visitors, performing matching on the stored identification information according to the identification information provided by the visitors, and opening elevator permissions or registering elevator instructions according to the permission information if the matching is successful. The invention further provides an elevator passenger identification device. The visitor identification elevator access control system and the elevator passenger identification device are high in safety performance and simple to operate.

The invention discloses a warehousing system capable of automatically processing and carrying out orders and a warehousing method thereof and belongs to the automation and intelligent technology field of the warehousing system. The warehousing system comprises inventory shelves, operation station positions, mobile order vehicles and a management scheduling system, wherein each mobile order vehicle carries a plurality of freight carrying baskets and is used for bearing input and output commodities. The warehousing method comprises the following steps that the management scheduling system processes and converts inventory operation orders into a carrying task and distributes to the mobile order vehicles; and the mobile order vehicles arrive at the different operation station positions according to the received carrying task and carry out corresponding inventory operation till that all tasks are completed. By using the warehousing system capable of automatically processing and carrying out the orders and the method thereof, an existing warehouse does not need to be changed greatly, a space utilization rate of the warehouse can be increased, integral operation energy consumption of the warehouse can be reduced, manpower walking links can be greatly reduced, warehouse operation efficiency is increased, and according to a demand fluctuation or service changes, an application scene can be flexibly adjusted.

The invention relates to spinning equipment, in particular to a semi-continuous high-speed spinning machine. The semi-continuous high-speed spinning machine comprises a rack, a glue supply device, a strip forming device, a spinning device and a winding device, wherein a spinning roller of the spinning device is horizontally arranged relative to an operating surface of a spinning surface. The operating surface of the spinning surface is a horizontal working surface in a spinning surface area, and the fact that the spinning roller is horizontally arranged relative to the operating surface of the spinning surface refers to that the spinning roller is horizontally installed relative to spinning workers when the spinning workers face towards the winding device. According to the semi-continuous high-speed spinning machine, the spinning roller is horizontally arranged relative to the operating surface of the spinning surface, and two ends of the horizontally arranged spinning roller are fixed, so that the spinning speed can be increased on the basis of the semi-continuous high-speed spinning machine, the spinning roller is ensured to rotate stably without shaking, and the problems of intertwining and breakage of strips caused by shaking of the spinning roller during spinning are solved.

The invention belongs to the technical field of health-care massage chairs, and particularly relates to a special back frame structure for a massage chair. The back frame structure comprises an L-shaped whole curve guide rail and a manipulator massage machine core, wherein the L-shaped whole curve guide rail is installed and welded by a left channel steel type curve guide rail and a right channel steel type curve guide rail which are parallel mutually through a plurality of back frame bending pipes; the lower end of the L-shaped whole curve guide rail is fixedly arranged on a base of the massage chair; the channel steel type curve guide rails are integrally forged and formed by a back frame curve section and a seat frame curve section, wherein the back frame curve section simulates the structures of the head part, the neck part and the back part of a human body, and the seat frame curve section simulates the structures of the caudal vertebra, the hip part and the huckle part; and when in message, the manipulator massage machine core can extend from the head part and the back part to the caudal vertebra till the hip part and the huckle part. The special back frame structure has the advantages that the manipulator massage machine core can reach the caudal vertebra, the hip part and the huckle part for carrying out multi-manipulation massage such as kneading, finger-pressing and knocking, so that the comfort of massage is thoroughly and effectively improved.

Embodiments of the present invention provide a method, an apparatus, and a system for predicting a risk of a traffic accident. The method includes: obtaining a surveillance video on a target road section; obtaining video structured information according to the surveillance video; according to license plate number information in the video structured information, inquiring the vehicle condition information and historical behavior information of each first vehicle on the target road segment in the preset database; obtaining the environmental condition information of the target road segment when the surveillance video is captured; for each of the first vehicles, based on historical information of traffic accidents occurring on the target road section, the vehicle condition information and historical behavior information, and the environmental condition information, determining a risk factor of a traffic accident of each first vehicle; and determining the risk factor as a prediction resultof the risk of the traffic accident occurred on the vehicle in the target road section. The embodiments of the invention realize the prediction of the risk of the traffic accident in a vehicle and improve the accuracy of the traffic accident risk prediction on the road.

The invention relates to a method for monitoring internetwork nonstandard dialing services, which is to acquire internetwork incoming and outgoing call records by intercepting monitoring nodes, to perform data analysis on the call records, to examine and verify internetwork call doubtful numbers through an operating center, and to add illegal numbers into an interception number list for interception, so that the method can effectively judge and intercept illegal internetwork communication, and avoid loss of telephone expenses. Moreover, the method has low system modification cost and can be effectively popularized into actual application.

The invention provides a valet parking method and device. The valet parking method comprises the steps that 1, a global waypoint map and free parking space location information of a parking lot wherea vehicle is to be parked are acquired, and global path planning is conducted according to the global waypoint map and the free parking space location information; 2, automatic driving is started according to global path planning, vehicle vision information is acquired, and local path planning and obstacle avoidance processing are conducted according to the vehicle vision information; and 3, parking space searching is conducted when the vehicle is automatically driven to the position near a free parking space, and parking is conducted after the free parking space meeting the parking conditionis searched. According to the valet parking method and device, a T-box is taken as a valet parking information interaction entity, automatic parking of the vehicle is achieved through the vehicle-mounted vision information and the waypoint map without needing to depend on a high-precision map, parking lot fixed monitoring and GPS positioning information, the improvement cost of the parking lot canbe reduced, and time waste of a customer in the destination parking process is reduced.