923results about How to "Go digital" patented technology

The invention discloses a digital multimedia information transmission platform, which comprises an acquisition system, a manufacturing system, a media resource system, a management system and a release system, wherein the acquisition system consists of control equipment, outside network material receiving server and an foreign signal, studio signal and magnet tape material acquisition and collection subsystem; the manufacturing system consists of a program editing system, a program examination system, a background packing and synthesizing system and a resource manager; the media resource system consists of a media resource cataloging and searching work station, a transcoding server, a database server, a storage management and migration server and a system management working station; the management system consists of a uniform user identification system and a network management system; the release system serving as an external interface module of a multimedia center encrypts finished products in multiple formats and executes related release according to outside service demands; and the platform is an integrated production line of digital media contents and also a digital media resource comprehensive service system platform and can realize overall media resource sharing.

The invention discloses a geological disaster emergency plan digitization system which comprises a data acquisition transmission layer, a database management layer, a data driving layer and an application layer. The data acquisition transmission layer is positioned at the lowermost part of the digitization system and used for acquiring and transmitting data relating to a geological disaster; the database management layer is positioned on the data acquisition transmission layer and used for storing and processing various data information used in the system; the data driving layer is connected with the database management layer and used for taking charge of managing and supporting various data; the application layer comprises an emergency plan visualization subsystem and a plan dynamic deduction subsystem and is used for managing various functions provided by the system. The geological disaster emergency plan digitization system adopts technical means of a modern computer, a network, IOT (Internet Of Things), a GIS (Geographic Information System), a GPS (Global Positioning System) and the like, researches and develops a digital geological disaster emergency plan and implements high efficiency and visualization in the process of executing the geological disaster emergency plan so as to implement digitization and intelligentization of the geological disaster emergency management work.

The invention relates to an intelligent online monitoring and pre-warning system for cable operation condition. The intelligent online monitoring and pre-warning system comprises a monitoring terminal and a monitoring center master station, wherein the monitoring terminal acquires monitoring parameters of the cable operation condition, such as the grounding current of the metal protective layer of the cable, cable joint temperature, combustible gas content, poisonous gas content, oxygen gas content, smoke, water level and manhole cover security, in real time and reports the acquisition data to the monitoring center master station in a timing manner through a wireless network; the monitoring center master station is used for timely carrying out storage, statistic, analysis, display and processing on the reported acquisition data and has functions of acquiring synthetic data of cable operation, monitoring the operation state in real time, displaying image data, pre-warning a fault and giving an alarm, carrying out statistic analysis of information data and the like. The intelligent online monitoring and pre-warning system can provide an effective monitoring method for ensuring the cable trench line security, ensure that the high-voltage cable line runs stably and reliably and greatly improve the power supplying reliability.

The invention discloses a method for detecting a digitized transformer station model. In recent years, IEC61850 and digitized transformer stations are developed quickly; however, great difference exists due to different producers and different device models, which brings great difficulties and hidden troubles to debugging and running; therefore, a detection means and a method which are simple, practical, effective and comprehensive are needed. In accordance with an IEC61850 standard, the method for detecting the digitized transformer station model supports a standardized detection aiming at the domestic 'Engineering Implementation Technical Specifications of IEC61850 International Standard', and is widely applied to the model detection of digitalized and conventional IEC61850 transformer station comprehensive automatic systems, wherein the method comprises the following steps of: detecting whether an XML format is right and performing Schema verification; detecting basic unit data, namely detecting the information such as logical nodes, common data, data objects, attributes and the like; resolving and detecting a model GOOSE and four-remote information; comparing offline and online models; and detecting SCD file virtual terminals.

Provided is a student answer information real-time collection and efficient and intelligent correcting system and use method in a teaching process, belonging to a teaching system. A teacher lesson preparation module is used for teachers to compile exercises, input standard answers and scores, and upload data to a server; students upload answers to the server at student clients; an efficient and intelligent correcting module is used for automatically correcting objective questions, preprocessing subjective questions, automatically correcting the questions capable of being intelligently corrected, sending the questions incapable of being intelligently corrected to teachers for correction, and transmitting correction results to the server; the server feeds back the correction results to the student clients. The system and method can realize ''networking, digital and customized'' education, allow students to ''learn anywhere and anytime'', deeply fuse with current education, reach the effect of ''classroom application, regular application, and universal application'', and be easily and extensively copied in areas with poor education resources to realize educational equity and teaching in accordance with the aptitude of students.

The invention discloses a road traffic intelligent management method, system and platform, and the method comprises the steps: obtaining the road traffic information, travel request information of a user, and the vehicle navigation information of a vehicle on the road; generating an optimal driving path according to the road traffic information, travel request information and the vehicle navigation information, and taking the optimal driving path as the navigation information for the travel vehicle, wherein the travel vehicle of the user achieves the automatic driving according to the vehiclenavigation information. The method combines the travel request information with the road traffic information and the vehicle navigation information, achieves the planning of the driving path in an optimal mode, achieves the generation of the optimal driving path, and enables the travel vehicle to achieve the automatic driving according to the optimal driving path. The method, system and platform can avoid a condition that the driving path just can be passively adjusted according to the road traffic information, achieve the planning of the optimal driving path of automatic driving for all vehicles on an urban road, enable the vehicles to remain unblocked, and achieves the high-efficiency intelligent traffic management.

A vehicle real-time monitoring system based on a wireless RF identification technology is provided, which is composed of an interactive vehicle license plate, a detector, a communication network terminal, a communication network, a center server and a control management system, etc. The system is capable of realizing digitalization of vehicle monitoring information; the interactive vehicle license plate realizes an interactive function of the vehicle license plate by using a RFID technic and an audio, optical prompting technic, thereby interactive response between a vehicle to be monitored and the vehicle monitoring system; the interactive vehicle license plate is decryption-proof, falsification-proof, every license plate has a global unique identification number capable of realizing no-parking large-distance automatic identification and automatic examination of unlawful vehicles, vehicles with pirated license plates, and blacklist vehicles; a vehicle information database of real-time positions of the vehicles to be monitored, moving tracks and the like can be generated. The invention uses an active RF card, avoids a fault that an effective distance of a passive RF card (such as a bus IC card, an entrance guard card), and uses an omnidirectional (non-directional antenna) to veritably realizing no-parking large-distance automatic identification.

The invention discloses an intelligent confidential article identification management system on the basis of an internet of things. The intelligent confidential article identification management system comprises intelligent identification storage systems and information management systems. Ultrahigh RFID (radiofrequency identification) and biometric identification technologies, computer network technologies and the like are fused in the intelligent identification storage systems, so that storage states and access behavior of confidential articles in intelligent storage cabinets can be effectively identified and monitored, and intelligent and informationized management tools can be provided for management institutions for strictly managing materials in the aspects of intelligent confidential material identification, real-time managed and controlled article information aggregation, real-time confidential article inventory, whole-course liability traceability and the like. The intelligent confidential article identification management system has the advantages that the intelligent confidential article identification management system is based on existing advanced technologies of article perception, sensing and personnel identity authentication, and requirements of article and material information construction and the requirement on updating and upgrading management and control on important materials are considered in a certain aspect, so that the traditional manual management mode of material management and control is transited to a modern information management mode, and informationized, digital and real-time material management and control can be implemented.

The invention relates to a solar fireproof monitoring and prewarning system for gridding forestry. The solar fireproof monitoring and prewarning system is characterized by comprising front-end acquisition systems and a monitoring center, wherein the plurality of front-end acquisition systems transmit acquired fire information to the monitoring center in a wired or wireless manner; and the fire information comprises video, smoke and / or temperature information. The solar fireproof monitoring and prewarning system has the advantages of avoiding the limitation of the traditional manual fire overseeing and observing method, realizing digitalization and scientization of forestry management, greatly reducing the charge against revenue and the management cost of a forestry department and enhancing the effect of a forestry enterprise.

The invention relates to method for identifying operating modal parameters of a linear time-varying structure based on memory-restricted principal component analysis. According to the method, the operating modal parameters of a dynamical system with time-varying structural characteristics can be identified by only using unsteady vibration response signals, the operating modal parameters of the structure are identified, and the dynamical variation characteristics of the system can be effectively monitored in real time, thus the method can be applied to vibration control, equipment fault diagnosis, health monitoring, and system structure analysis and optimization. The method is characterized in that the parameter characteristics of the system are identified by only using actual measured response signals, load signals aren't measured, and the method is proven according to mathematical theoretical analysis and experiment, so that a physical significance is endowed to the method. The invention further relates to an operating modal measuring device based on the method, and the device is used for measuring vibration response signals and identifying the operating modal parameters to obtain the real-time online dynamical characteristic change of the system structure, thus the device can be applied to fault diagnosis and health monitoring analysis of a large complex engineering structure (bridge, rail and the like).

The invention discloses a prediction method for mine dynamic disasters. The method comprises the steps of performing macroscopic analysis on a disaster background of a mine lot according to natural geological conditions, including configuration, tectonic movements, natural earthquakes, ground stress and the like in the analysis of natural geological dynamic conditions of the mine lot, so as to realize the preliminary evaluation on the structural environment, stress environment and energy environment of the mine lot; performing the primary prediction of the mine dynamic disasters, realizing the assessment of risks on the dynamic disasters generated in a coal bed based on the natural conditions of the mine, and realizing the prediction and regional division on the dangerousness of related coal layers of the whole mine; performing the secondary prediction on the mine dynamic disasters, fully considering the engineering effect and gas extraction engineering based on the primary prediction, so as to realize the prediction on a working surface. According to the method, the digitization and visualization of predicted results can be realized, guidance can be provided for the prevention of the mine dynamic disasters, scientific basis can be provided for adopting controlling measures in a targeted way, and the economic waste caused by blindly adopting the measures can be prevented.

The invention relates to an optimization control method of blast furnace temperature. The temperature control of the existing blast furnace ironmaking enterprises is determined by experience, thus the temperature control is inaccurate. In the optimization control method, time lag and uncertainty of actual parameters are considered; the blast furnace temperature is predicted by establishing a predication model of a steplike dynamic matrix predictive control algorithm, and then links such as rolling optimization, feedback compensation and the like are performed, thus ensuring to obtain an optimum and stable use amount of the three factors, that is, coal injection amount, blast volume and cooling water flow rate. The method comprises the specific steps as follows: establishing an admissible control set and the predication model, and performing model conversion, the feedback compensation and the rolling optimization to obtain an optimum control rate. The time lag and the uncertainty of the actual parameters as well as correction model error are considered in the method, thus ensuring to generate the optimum coal injection amount, the blast volume and the cooling water flow rate.

The invention discloses an engineering investigation information digital collection, management and integrated application method. The method is realized jointly through a desktop management subsystem and a mobile device collection subsystem and completed at a PC desktop terminal and a PDA mobile terminal, and the whole process is carried out based on the same data architecture and the same data model. The method and technology for engineering investigation information resource collection and production, organization and management to diversified utilization are suitable for collection, management and utilization of investigation information resources in all industries and can be directly applied and popularized in engineering investigation of all industries.

This invention discloses such a measurement and method of a large caliber steel tube cross-section shape, which belongs to the domain of geometric measurement technique. The measurement system of information processing mode and measurement mode is located in the small moving car, with the small car moving on the datum circular orbit. The input and output mode connect the information processing mode through the serial port. The measurement method is like this: testing a series of the steel tube surface and the radial distance of a certain known datum circular orbit radius in order to get a configuration point coordinates of the steel tube cross-section. When the amount of sampling points is abundant enough, we can get the accurate outline of steel tube. Then the information-processing mode counts the steel tube cross-section shape and dimension parameter.

The invention discloses a farm-oriented aerial vehicle safe operation flight monitoring device and a control algorithm thereof. The device comprises an aerial vehicle pose sensor module, an air safety decision-making module, a data input-output interface module and a power supply module. The air safety decision-making module is connected with the air vehicle pose sensor module, processes data obtained from the air vehicle pose sensor module, and judges and determines the flight state of an aerial vehicle according to preset parameters and the safe operation flight control algorithm. The data input-output interface module is connected with the air safety decision-making module, receives external parameters or instruction input in a wire or wireless mode, outputs an safety alarm prompt or current position information, and can conduct real-time interaction with an external monitoring system. The farm-oriented aerial vehicle safe operation flight monitoring device and the control algorithm thereof can achieve standardization and unification of the farm-oriented unmanned aerial vehicle field operation safety parameters, achieve unification of the air safety parameters, and achieve digital and full-automatic monitoring on the farm-oriented aerial vehicle.

The utility model discloses a three-dimensional wind measuring unit based on a comprehensive vision, which comprises a bracket, an omni-directional vision sensor and a microprocessor for detecting wind speed and wind direction. A wind cup, a reducing mechanism, a fixed connecting link, a wind mark and a wind direction orientation block are arranged in the horizontal direction and the vertical direction of the bracket. The wind cup is fixedly connected with the upper side of the input shaft of the reducing mechanism, while the lower end of the input shaft of the reducing mechanism is sleeve-jointed on the upper end of the fixed connecting link. The wind mark is sleeved on a connecting shaft; the connecting shaft is fixedly connected with the lower end of the fixed connecting link; the wind direction orientation block is arranged at the end of the wind mark; the upper end of the wind direction orientation block is positioned at the same plane with the reducing mechanism. Two pointers are respectively positioned on the input shaft and the output shaft of the reducing mechanism, and the upper end of the two pointers and the wind direction orientation block are provided with marker color. The visual range of the vision sensor comprises the plane where the vertical direction and the horizontal direction of the reducing mechanism are positioned. The utility model has the advantages of high-precision, high sensitivity, long-term reliability, high reliability in test results and effective test of 3D wind speed and direction detection.

The present invention discloses an intelligent monitoring and operation maintenance system for a photovoltaic power station. The intelligent monitoring and operation maintenance system comprises a photovoltaic power station user terminal application module, a photovoltaic power station panorama data monitoring and value-added service cloud platform, a photovoltaic power station base monitoring service cloud platform I, a photovoltaic power station base monitoring service cloud platform II, a photovoltaic power station base operation maintenance service cloud platform, a photovoltaic power station data acquisition and supervisory control cloud platform and a photovoltaic power station sensor global data exchange cloud platform. According to the present invention, the intelligent monitoring and operation maintenance system performs digital monitoring on the solar photovoltaic power station, continuous monitoring on numerous devices and detection points, as well as analysis and evaluation on the operation efficiency, the failure rate and other main indicators of critical equipment, realizes the simultaneous remote and local monitoring, and records the alarm of emergency failure events, the analysis of historical operation data, various date parameter graphs and reports, the calculation for economic indicators of operation of the entire power station, the analysis of operation benefits and the power prediction for a power generation system.

The invention relates to a real-time monitoring system for the loading, the unloading and the tallying of containers, which comprises a video monitoring system based on the digital video technology and the network transmission by adopting a BOSCH full-digital and distributed network monitoring system. A digital monitoring system is composed of a collecting head for front-end images, a video camera coder, client software, and a video control and management server, and used for monitoring container numbers and container damage, checking lead seal, and monitoring the container position in a cabin. The distributed network monitoring system comprises a network exchanger and an enterprise local area network. A front-court monitoring centre is arranged in a tallying room on the bridge crane working site; and a main control centre is arranged in a remote control centre; the front-court centre is used for controlling the actions of a high-speed head and a video camera, so as to perform real-time video recording; the main control centre is used for controlling the actions of each bridge crane head and the video camera, so as to inquire front-court videos to be replayed and control the video switchover of the large screen or the video wall.

The present invention relates to a computer-aided geological survey system based on portable machine. It adopts the multiple S integration technique including GIS, GPS, DBS, RS, CADS, ES and ANNS systems and method oriented towards object to make design and development. The data collected by said system are fed into unified space data base and attribute data base, and the data base technique can be used to make effective connection and information extraction. The system includes front-stage material collecting and reduction, wild data acquisition and indoor data comprehensive reduction three subsystem platforms.

The invention discloses a system for dynamically deducing and simulating emergency plans for chemical accidents. The system comprises a basic data platform module, a three-dimensional plan editing module and a three-dimensional digital plan platform module. The basic data platform module is used for providing geographic information data, place basic information data and numerical simulated data of accident occurrence procedures for the simulating system for constructing three-dimensional models for dynamically deducing the emergency plans; the three-dimensional plan editing module associates various emergency plans available in enterprises with various pieces of information of three-dimensional scenes according to the various information data provided by the basic data platform module, so that the emergency plans for the chemical accidents of the petrochemical enterprises can be edited to obtain emergency plans in three-dimensional forms; the three-dimensional digital plan platform module is used for dynamically deducing and demonstrating the edited emergency plans in the three-dimensional forms. The system has the advantages that various shortcomings due to paper and electronic documents can be overcome by the aid of the system, and management personnel and employees can comprehensively, specifically and pertinently understand the various accidents which occur in actual working procedures in the petrochemical enterprises.

The invention discloses an archive management system, which comprises an interface file module, a data collection module, a system management module, and an archive utilization module. The interface file module comprises a reception file module and a file consolidation module, and provides, for a used mechanism, interfaces for seamless interfacing between the archive management system and other platforms; the data collection module comprises an archive description module, a data archive file leading-in module, an archive scanning module, an archive detecting module, and an archive filing module, wherein, the archive scanning module is used to convert an archive into a corresponding digital format file, then correctness of the archive is detected by the archive detecting module, and finally the archive description module and the archive filing module are used to realize archive description and archive filing; and the system management module is used for authority management, log management, data dictionary management, and electronic form management.

The invention provides a train dynamic adjustment method and system under emergency events, and the method comprises the steps: recording the historical map adjustment data under all emergency events,collecting the data information of trains in the same direction of the same time segment of the current emergency event, determining the operation scene conditions of the trains, and building a scenelibrary according to the data information and the operation scene conditions; establishing an environmental model based on the historical data set according to the historical map data and the Markovdecision process; according to the scene library and the environment model based on the historical data set, deep reinforcement learning is carried out through an agent, and a train dynamic adjustmentmodel is obtained; and carrying out on-line dynamic adjustment on the actual performance running chart of the train in the same direction of the same time segment of the current emergency through thetrain dynamic adjustment model. According to the method, the solving speed and quality of dynamically adjusting the approximate optimal feasible solution are improved, and the dynamic adjustment problem of the train actual performance running chart in an emergency is solved.

The invention provides a horizontal adjusting sling for a spacecraft, which comprises a hoisting ring component, an XY workbench, a hoisting beam and straps, wherein the XY workbench is arranged on the hoisting beam; the top center of the XY workbench is hinged with the hoisting ring component through a universal joint; four straps are arranged below the hoisting beam; the XY workbench comprises an X workbench and a Y workbench; the X workbench slides on the Y workbench through a slide rail along the X direction; the Y workbench slides on the hoisting beam through a slide rail in the Y direction; and the hoisting ring component comprises a hoisting ring connected with a hook of a crane, a middle bearing structure and a two-dimensional inclination sensor b for measuring the angle of inclination of the hook relative to the crane. Compared with the prior art, the horizontal adjusting sling for hoisting the spacecraft solves the problem that automatic horizontal adjustment cannot be implemented in a two-dimensional plane, the digitization and automation in the measuring and adjusting process are achieved, the hoisting accuracy and hoisting efficiency are improved and the labor intensity of operators is reduced.

The invention discloses a confidential express method. The method comprises the following steps: establishing an express information processing center; encrypting and saving the address information and receiving password of a recipient and generating a key code through a server; sending the key code to an initiator through the recipient; sending the key code, the goods information and the initiator identification to the server through the initiator for encrypting, saving and generating a bill number; sending the goods together with the bill number; reading the bill number and checking the goods information by an undertaking worker; transporting the goods to a sorting place to enter the transfer stage after checking; reading out the bill number by a sorting worker; sorting the goods according to a targeted city; transferring to the next station until arriving at the delivery station of the targeted city; reading the bill number by an express delivery worker to obtain the receiving address and contact mode; delivering the goods to the recipient; sending the receiving password to the server to verify to obtain the goods by the recipient. With the adoption of the confidential express method, the information of the recipient and the initiator can be effectively prevented from leaking; in addition, a complete system of signing after receiving is provided. The invention also discloses a confidential express system.

The invention relates to a decentralized control system for layering a controller. The traditional controller arranged in a plane layout manner is divided into a plurality of layers to ensure that a plurality of tasks completed by one control unit set in an original DSC (Decentralized Control System) are respectively executed by a plurality of FCUs after the function is subdivided and coordinatedby using an MCU (Microprogrammed Control Unit), thus the correspondence of the control unit and equipment is more clear, the load factor of data transmission on a backbone network is effectively reduced, the control risk is dispersed and the response speed is increased. Because the FCUs controlled in device level are placed at a site of an equipment side, the length of a cable connecting the siteequipment is reduced, and the function of realizing PID (Proportion Integration Differentiation) regulation is realized in stead of the traditional intelligent apparatus; and the site equipment is always measured by adopting conventional apparatuses. According to the invention, industrial Ethernet transmission is adopted in longer distance between the site FCUs and the MCU in a control chamber, compared with the original DCS with same control scale and distance, the control cable cost can be saved by above 60 percent, the investment cost of the site equipment is lowered, the area of the control chamber is effectively reduced, and the cost is greatly decreased.

An integrated high temperature superconduct magnetic suspension energy storage flywheel magnetic bearing digital control system is provided, which comprises a DSP module, a FPGA module, a serial communication module and a signal modulation module. Wherein, the DSP module realizes the treatment of advanced control arithmetic and the calculation of rotate speed; the FPGA module accomplishes the sampling of displacement and electric current signal, counting of rotate speed and PWM modulation of the control extent; a control electric current for the magnetic bearing loop is generated via a power amplifier to realize the high precision control of the high temperature superconduct magnetic suspension energy storage flywheel magnetic bearing system. In addition, the serial communication module realizes the real time communication between a upper position machine and FPGA; the signal modulation module offsets, amplifies and filter the collected displacement and electric current signal as well as outputs the result to FPGA module. Therefore, the digital control system in the invention does not only realizes outstanding computation capacity and high communication speed, but also assures the real time communication between the upper position machine and FPGA, thereby further enhancing the control precision for the high temperature superconduct magnetic suspension energy storage flywheel magnetic bearing system.

A sample frequency offset tracing signal process device of an FDM system and a method includes a digital converter, an inter potation filter, a FIR filter, a serial-parallel transformer, a rough timing test device and a latter timing error test device, among which, an interpolation control loop composed of orderly connected loop filter device, a re-sample control device and a digital control oscillator is set for computing the interpolation control offset value to regulate the interpolation positions by related offset computation between the latter timing error test device and the interpolation filter and the integer part of the timing error got by the latter timing error test device is used to regulate the Fourier transformation computation window position, the decimal fraction part is used as the error input signal of the loop to drive the loop filter and re-sample controller, the digital control oscillator and computing the deviation value by the phase deviation value to regulate the position.

An integrated magnetic suspension flywheel magnetic bearing digital control device includes an interface circuit, an A / D conversion chip, a FPGA module and a DSP module. The device obtains data of the magnetic bearing rotor displacement signals, circuit of the coil and rotating velocity, the DSP module generates a control volume in terms of a control algorithm and delivers it to the FPGA, which carries out PWM modulation based on the control volume and current signals to transfer its signal to a full-bridge energy conversion circuit to generate control current needed by the magnetic bearing coils to realize the active control to magnetic suspension flywheel magnetic bearing system.

The invention provides an accurate exercise evaluation and rehabilitation training system comprising an exercise data acquisition and analysis module, an electromyography data acquisition and analysismodule, an exercise function evaluation module, an exercise missing muscle synergy problem determination module, an immersive rehabilitation training module, an accurate rehabilitation training and treatment module, a patient database module and a normal person exercise function and muscle dynamics index library. The exercise function and exercise missing can be accurately and quantitatively evaluated based on the micro-sensor intelligent sensing technology and the information fusion technology, and the problems of the muscle level and the nerve stimulation level of exercise missing can be analyzed and determined so as to specify and perform the rehabilitation training and treatment plan in a targeted way. Meanwhile, the immersive rehabilitation training function is also provided so as tofacilitate patient acceptance and adherence and realize digitalization, accuracy and visualization of exercise rehabilitation.

The invention discloses a remote controlled cooking robot which realizes remote operation through Internet or a mobile communication network. The cooking robot is a small-sized cooking robot which hasmultiple intelligences and can fry for family and commercial use, can be controlled by a personal computer to realize automatic cooking of various types of dishes; the flavor and the heating controlare set by programs; and various cooking programs are stored in the computer. The cooking robot comprises a mechanical structure, a control circuit and a software system. The main components comprisea stir-fry mechanical arm, a feeding mechanical arm, a rotating seasoning bin, a liquid adding device, a heating device, a refreshing chamber, a heat preservation chamber and a standard side dishes box. The feeding mechanical arm automatically recognizes solid seasoning in the rotating seasoning bin and quantitatively takes out the solid seasoning to put into a pan. The liquid adding device adds the liquid-state seasoning into the pan at regular time and in a fixed quantity. An intelligent heating device carries out controlled heating on the pan, so that oily fume and open fires do not exist,the heat energy diffusion is small, and the energy-saving and environment-protecting effects are significant.