55results about How to "Realize online operation" patented technology

The invention relates to an on-line intelligent system for safety emergency based on multiple communication networks and sensing equipment, and belongs to the technical field of remote intelligent safety supervision equipment. The system consists of an on-line supervision module, a safety production cloud data center, and an emergency rescue module. The system is characterized in that the input end of the safety production cloud data center is in parallel connection with the on-line supervision module and an early-warning analysis auxiliary decision module; the output end of the safety production cloud data center is in parallel connection with a monitoring early-warning module, a video re-check intelligent control module, the emergency rescue module, and an information push module; and a data transmission and sharing switching module connected with the monitoring early-warning module is connected with a business subsystem. The system integrates on-line dynamic monitoring of safety production, alarm and management, hidden danger removal and intelligent law enforcement into one body, is well targeted, is high in applicability, and is high in efficiency of safety control and management. The system solves a problem that a conventional mode of segmented and manual monitoring is difficult in information integration and rectification, cannot achieve the real-time monitoring and quick processing of accidents, and is low in management efficiency.

The invention relates to a unit type high voltage transmission line wire-protection ice-melting method which includes the following steps: A. defining same-phase cracking lead wires (11, 12) of a certain section as a wire-protection ice-melting unit and adopting conductive spacers (90) at the positions of two ends of the unit; B. arranging a wire-protection ice-melting device (100) in the unit, wherein a loop circuit between the two spacers (90) and the cracking lead wires (11,12) are formed by the wire-protection ice-melting current output by the wire-protection ice-melting device (100), thus generating heat so as to realize wire-protection and ice-melting. The wire-protection and ice-melting device includes a wire-protection and ice-melting current control system and a wire-protection and ice-melting power. A corresponding wire-protection and ice-melting current used for heating the cracking lead wires (11, 12) is output by the wire-protection and ice-melting power according to the wire-protection and ice-melting current parameters, so as to realize wire-protection and ice-melting. Compared with the prior art, the method of the invention has the advantages of shortcut power obtaining, low cost, flexible control and good wire-protection and ice-melting effect, etc.

Said balanced system adopts classical control and intelligent control combination, fully utilizing intelligent control technology to individually control every subsystem. At the same time, it utilizes mixed material hopper in and out quantity balance and level of material set value position tracking system to ensure whole large system stabilizing. In said invented material balance intelligent control, classical control realizes automatic proportioning and 80 electrical equipments sequential control; fuzzy control, according to operator experience, to form relevant membership function and control law which can realizes adaptive optimization according to procedural dynamic variation.

The invention discloses a continuous production process and equipment for liquid detergent, and the process comprise the following steps: continuously and quantificationally adding the raw materials of the liquid detergent into the feeding end of a dynamic mixer at a specific ratio in the formula; finishing corresponding chemical reaction for each raw material component in the dynamic mixer in the process of flowing to an outlet end from an inlet end, and evenly mixing; and then continuously entering filling equipment to generate a liquid detergent finished product. The continuous production equipment disclosed by the invention is combined by equipment and a control system, wherein the equipment is composed of a raw material metering device, conveying equipment, reaction equipment, a detection instrument and an automatic control system. The continuous production equipment has the advantages of simple process, convenience in operation, quickness and flexibility in variety switching and the like; single equipment can produce the liquid detergents of different formulas, product verities can be quickly switched, and the production efficiency and the equipment use ratio are improved.

The invention discloses a page and control increasing method based on a WEB. The method includes the steps of (1) increasing node pages, (2) increasing controls, and (3) displaying the pages, wherein in the first step, a controller sends a client request to a tree menu management module, a JDBC interface is called, and a template is selected to be stored in a portal base table in a relation library; in the second step, the controller sends the client request to a control management module, and the control management module stores a node id and a column parameter in the portal base table in the relation library through JDBC; in the third step, the controller sends the client request to the control management module and the tree menu management module, control information and service data are obtained through data access management, and instantiation of the pages is achieved. The method achieves web online operation, and on the basis that safety requirements of a power system are met, measurement point information in a real-time database and service lists and the portal base table in a relation database can be displayed in real time.

The invention discloses a smart grid big data-based electricity price execution checking method. The method comprises the following steps: 1) processing the power consumer power consumption data by utilizing a data pre-processing module; 2) constructing a power consumer typical power consumption track expert library by utilizing a clustering algorithm; and 3) realizing the electricity process execution checking of the power consumers by utilizing a distance discriminant analysis algorithm. According to the clustering algorithm, an initial clustering center can be determined through the density parameters of sample points; by utilizing a method of combining the cluster evaluation index and the score evaluation index, the optimum number of clusters can be determined, so that a power consumer typical power consumption track curve is formed; according to the distance discriminant analysis algorithm, electricity price execution checking discrimination is carried out on new power consumers, and through calculating the electricity price abnormal suspected coefficient, a list of the final the electricity price execution abnormal consumers is determined. According to the method, the intelligent analysis and identification of the power consumption behavior tracks can be realized, the remote online diagnosis of the consumer electricity price execution can be realized, and the pertinence, correctness and timeliness of the marketing checking can be improved.

The invention provides a scene teaching management system and method for rail transit training. The system comprises a scene management module, a whole-line control module, a vehicle control module and a communication and signal control module. The method comprises the following steps: creating or storing various scenes used for rail transit training and acquiring a target scene appointed for training from the scenes, and then controlling the starting or stopping of communication and signal control action in the target scene, the starting or stopping of the train in the target scene and the running and stopping of the train in the target scene combined with the communication and signal fault. According to the invention, the online running of the signal systems of the training platform is realized, the high-accuracy and operable scene is supplied for the rail transit training and the technical problem of unconformity between logic and reality caused by only training through the system without multi-post fault / scene simulating exercise or pure computer simulation for the fault scene can be solved.

The invention discloses a method and a device for preventing and removing scales, removing oxygen, cleaning, sterilizing and removing algal by using ultrasonic waves. In a working medium circuit and a cooling medium circuit of a steam power plant, a filter is used for filtering dirt, and an ultrasonic processor is used for preventing and removing scales, removing oxygen, cleaning, sterilizing andremoving algal from water subjected to dirt filtration. The method and the device have the advantages that: thermal power generation process and equipment are supplemented, improved and developed by applying the acoustic technology, the steam power plant is operated on line by applying the acoustic technology, and under the action of ultrasonic cavitation effect, nanoscale cavitation closing state and negative high pressure bubble bursting characteristics, the nanoscale steam cleaning function, oxygen removal function and scale removal and cleaning function are realized. Water is taken as a carrier, and the scales are removed without dead angle when the current reaches positions with scales; substances are not added into the device, resistance is not increased, and the mechanical structure and function of the device are not changed; and the body of the conventional steam power plant is not changed, and the method and the device are suitable for promotion and application.

The invention discloses an intelligent comprehensive modeling method for power load digital statistics. The method comprises a non-invasive load monitoring technology. According to the technology, anelectric energy metering device is used for collecting electric load information, deep learning, reinforcement learning and other technologies are used for identifying and classifying user electric loads, a load element model and parameters based on data are formed, and the proportion of energy consumed by a single load element to total consumed energy is calculated. The load element model and theenergy consumption proportion are combined into a load model and the load model is summarized to a bus node, and data such as load element types, parameters and proportions are acquired by adopting methods such as digital statistics and intelligent synthesis. Then, a deep learning algorithm framework such as a production adversarial network generates a power load model and a load discrimination model for accuracy verification of the power load model. The digital statistical intelligent comprehensive modeling method for the power load has the potential of online operation and real-time modeling.

The invention relates to a vacuum oil purifier, comprising an oil inlet valve, a coarse filter, an oil inlet pump, a heater, a vacuum cylinder, an oil discharging pump, a fine filter, a condenser and a vacuum pump, wherein the oil inlet valve is communicated with the coarse filter, the oil inlet pump, the heater and the vacuum cylinder in sequence; the upper part of the vacuum cylinder is connected with the condenser with the vacuum pump, and the lower part of the vacuum cylinder is connected with the fine filter; and an oil-water separating cylinder is arranged between the heater and the vacuum cylinder and is internally provided with a coalescent filter which is externally connected with a water storage tank with a water discharging electromagnetic valve. The vacuum oil purifier has the advantages that oil liquid containing steam and impurities is purified by adopting the combined action of the oil-water separator and the vacuum cylinder, water, gas and impurities in oil are removed quickly under the state of water cooling and high vacuum, and the demulsification degree is increased, so that the quality of the oil is comprehensively improved, the online operation can be realized, water discharge can be realized without stopping, and the waste oil can reach new-oil standard; and the operation is simple and convenient.

The invention belongs to the fields of microbes and food biotechnologies, and concretely discloses a loose tea Eurotium cristatum fermentation technology. The technology comprises the following steps: 1, rehydrating gross tea by a rehydrating machine to make the water content reach 16-35 wt%; 2, adding the rehydrated gross tea to a rotary bottling machine to make the rehydrated gross tea be packaged in charging bottles, stacking the bottles, placing the charging bottles to a high-temperature and high-pressure sterilizer, sterilizing the charging bottles, adding the sterilized charging bottles into a cooling room, cooling the charging bottles to 30-80 DEG C, placing the cooled charging bottles into an inoculation room, and carrying out inoculation; 3, adding the inoculated charging bottles into a fermentation room, and carrying out fermentation at 20-40 DEG C under a humidity of 30-75% for 6-10 d; and 4, adding the fermented tea leaves to an automatic discharging machine, taking out the tea leaves from the charging bottles, placing the tea leaves in a drying disc, and drying the tea leaves until the water content is 5-12 wt%. The technology has the advantages of uniform Eurotium cristatum growth, high Eurotium cristatum growth capacity, obvious Eurotium cristatum, simplicity and high standardization degree, so the product quality is safe and controllable, the health effects of the product are further enhanced, and the product quality is excellent.

The invention discloses an integrated pipeline for nuclear power plant human error preventing training and a human factor training system thereof. The integrated pipeline comprises a water tank, a main pipe system and a centrifugal pump protection pipe system. The water tank comprises a water outlet pipe and a water inlet pipe. One end of the main pipe system is connected with the water outlet pipe, and the other end is connected with the water inlet pipe so as to form a loop. The main pipe system comprises a first pipeline, a second pipeline and a standby pipeline which are connected in parallel, and the first pipeline, the second pipeline and the standby pipeline are respectively provided with a first isolating valve, a centrifugal pump, a non-return valve, an electric regulating valve and a second isolating valve which are arranged in turn. The centrifugal pump protection pipe system comprises three protection pipelines. One end of the three protection pipelines is connected with the first pipeline, the second pipeline and the standby pipeline and the connecting points are arranged between the electric regulating valve and the second isolating valve, and the other end of the three protection pipelines is connected with the water tank. The integrated pipeline for nuclear power plant human error preventing training has the advantages of being close to the onsite actual working environment, wide in professional range of training personnel, comprehensive in training level and available in online operation.

Provided are an air pre-heater system preventing low-temperature corrosion and an air pre-heating method. The air pre-heater system comprises a heat exchange system and a heating medium system. The heat exchange system comprises a smoke-air heat exchanger, a smoke-heating medium heat exchanger and a heating medium-air heat exchanger. The smoke-air heat exchanger and the smoke-heating medium heat exchanger are sequentially arranged in a heating furnace flue along the smoke flowing direction, and the heating medium-air heat exchanger is arranged outside the heating furnace flue. The smoke-heating medium heat exchanger, the heating medium-air heat exchanger and a heating medium system are connected in series to form a circulating system, smoke heat is transferred to a heating medium through the smoke-heating medium heat exchanger, an air inlet of the heating medium-air heat exchanger is connected with a fan, and outside air is subjected to primary heating of the heating medium-air heat exchanger, then enters the smoke-air heat exchanger to enable the air temperature to be higher than the dew-point temperature of sulfur-containing smoke and is used for supporting combustion after being subjected to secondary heating of high-temperature smoke. The phenomenon of low-temperature corrosion can be prevented, and accordingly an air pre-heater can run on line for a long period.

The invention relates to a method and device for washing and purifying ocean engineering power tail gas only through seawater. The method includes the steps that engine tail gas and seawater are guided into a filler washing device, the purified tail gas and the washing seawater are discharged out of the washing device after washing, and the washing seawater is discharged into a sea after water quality is restored. The method and device are suitable for ocean ships, ocean platforms and other ocean engineering facilities compact in space, the engine tail gas with the smoke temperature being 200-500 DEG C is directly purified, manufacturing and running cost is low, reliability and the running rate are high, the device and an engine silencer can work integrally to achieve online running, the method is a reliable technology executing the IMO low-sulfur fuel replacement regulation and has the functions that sparks of the tail gas are thoroughly extinguished and cooling performance is good, the safety of the ocean engineering facilities is improved, and the health environment of ocean engineering operators is remarkably improved.

The invention relates to a high-viscosity vacuum oil purifier which comprises an oil inlet pump, an oil inlet valve, a coarse filter, a heater, a vacuum cylinder, an oil discharge pump, a fine filter, a condenser and a vacuum pump. The oil inlet pump is sequentially communicated with the oil inlet valve, the coarse filter, the heater and the vacuum cylinder, an upper portion of the vacuum cylinder is connected with the condenser with the vacuum pump, a lower portion of the vacuum cylinder is connected with the fine filter via the oil discharge pump, a sedimentation chamber is formed between the heater and the vacuum cylinder, and a sediment discharging valve is arranged at the bottom of the setting chamber. High-viscosity oil containing water, gas and impurity is purified by combined actions of the sedimentation chamber and the vacuum cylinder. The water, the gas and the impurity in the oil are quickly removed under water-cooling sedimentation and vacuum conditions, demulsification is improved, and quality of the oil is comprehensively improved. The high-viscosity vacuum oil purifier can be operated online, drain away water without a halt, enable waste oil to reach standards for unused oil, and is simple and convenient to operate.

The invention belongs to the technical field of danger early warning, and discloses a dangerous operation early warning method and system, a storage medium and a processing terminal. The method comprises the steps of collecting image data of a dangerous operation site, related temperature and pressure data of a dangerous operation environment, and dangerous operation types, regions, personnel, time and other information; analyzing and judging fire hazards, non-standard operation or other unsafe factors based on the acquired image data, a dangerous operation management system and an operation process; judging whether the dangerous operation environment is safe or not based on the collected temperature, pressure or other environment data of the dangerous operation environment; when it is analyzed and judged that unsafe factors exist or the working environment is unsafe, carrying out interlocking linkage based on a preset self-sending emergency interlocking plan, and giving an alarm for the unsafe factors; and displaying related environment data, dangerous operation types, regions, personnel, time and other information. According to the invention, the occurrence of disasters is effectively reduced, and the accuracy and efficiency of early warning are improved.

The invention provides a fault diagnosis method for an aircraft airspeed tube based on neural network analysis and redundancy output. Sufficient historical data of input and output of the aircraft airspeed tube under normal working conditions is obtained, a non-linear neural net model for describing the input and output characteristics of the airspeed tube is established, and the neural network model is trained by using historical training data of input and output under the normal conditions to construct a neural network analytical model of the aircraft airspeed tube. After common fault modesof the airspeed tube are determined, the residual data of the actual output of the airspeed tube and a signal output by the neural network model are collected, when the residual data is greater than atolerance value, it is determined that a fault occurs in the airspeed tube, and the actual output of the airspeed tube and the analytical output signal of the neural network model are subjected to linear regression to identify fault characteristic parameters, thereby identifying fault categories occurring in the airspeed tube and achieving the fault diagnosis of the aircraft airspeed tube.

The invention belongs to the technical field of engineering machinery leasing, and discloses an engineering machinery leasing online payment and order financing system, which comprises a financing applicant, a financing guaranty party and a financing service platform, wherein the financing service platform comprises a login unit, an order management unit, a payment unit and a risk control unit; the risk control unit comprises an information auditing module and a credit investigation reward and punishment module. The system is used for verifying a financing application and carrying out credit investigation management on a financing applicant and a financing guaranty party. According to the invention, financing advance payment in the engineering machinery leasing process can be effectively realized by using the financing service platform, so that the fund turnover problem of a supplier and a demander in the leasing process is solved, and the purposes of accelerating the project construction progress and improving the overall construction efficiency are achieved; meanwhile, the financing service platform is combined with the Internet technology to realize the online operation of the financing process, so that the financing service is simpler and more convenient.

The invention discloses a method for evaluating welding residual stress. The method comprises the following steps of: collecting a magnetic signal of a welding joint, collecting magnetic signals of atest material under different stresses through a static load tensile test, achieving longitudinal / transverse separation of the magnetic signals by combining correlation analysis between longitudinal residual stress and transverse residual stress of the welding joint, further extracting magnetic signal characteristic parameters capable of representing welding longitudinal stress, and finally, realizing the effective evaluation of the longitudinal residual stress of the welding joint by establishing the corresponding relationship between the stress and the magnetic signal characteristic parameters. According to the method, by establishing the corresponding relation between the stress and the magnetic signal characteristic parameters, quantitative evaluation of the stress value and the direction of a welding sample can be achieved, and meanwhile the method has the advantages of being free of damage, rapid, safe, capable of achieving online operation and the like.

The invention relates to a steering device used in an automatic double-anode carbon block conveying system casting process and in particular relates to an online steering device of a double-anode casting carbon block conveying system. The online steering device comprises a conveying chain support and a conveying roller matched with the conveying chain support and is characterized in that a supporting steel bar is fixed at the left side of the conveying roller, and a guiding device is arranged at the upper part of each of the two sides of the conveying roller. The online steering device provided by the invention is simple in structure, safe and reliable and can change horizontal movement of a carbon block into longitudinal movement of the carbon block without influencing normal operation of equipment, so that production efficiency of the equipment is improved.

The invention relates to a method and a device for secondarily filtering a doctor solution by side stream, and belongs to the technical field of purification of the doctor solution of synthesis ammonia. The method adopts a doctor solution side-stream filter process, and desulfurizes the doctor solution by a doctor solution side-stream filter system and a filter regeneration system which regenerates the filter system; and the device consists of the doctor solution side-stream filter system and the filter regeneration system. The invention is suitable for tannin extract normal pressure desulfurization systems; and after the doctor solution shunted on a doctor solution main pipeline is desulfurized by the device, suspending sulfur and secondary salt contents in deficient liquid after the desulfurization can be effectively reduced, and phenomenon of tower blockage of a desulfurizing tower is reduced. The method and the device not only improve the desulfurization efficiency of the tannin extract desulfurization systems and prolong the stable operation cycle of the systems, but also reduce the discharge of the doctor solution due to tower cleaning; and the suspending sulfur particles after the desulfurization are not discharged and have no pollution, the phenomenon of the tower blockage of the desulfurizing tower is reduced, and the system is stably operated in a long cycle; and the method and the device realize online operation and online back washing, and optimally configure a back washing solution to prevent the back washing solution polluting the environment.

The invention discloses an owner meeting establishment and decision-making method and device based on a block chain, and a medium, and aims at solving the problems that establishment and decision making of an owner meeting lack good management, establishment, voting and decision making of the owner meeting are conducted in an offline mode, voting and decision making processes are tedious, smooth operation of the owner meeting is not facilitated, and certain inconvenience is brought to owners. The method comprises the following steps: acquiring identity information of an owner node and performing identity authentication; after the identity authentication is passed, generating a blockchain wallet address and a private key corresponding to the owner node based on a preset smart contract; andin the owner meeting decision process, determining a decision result corresponding to the decision process according to the voting information corresponding to the voting token sent by each owner node.

The present invention relates to the technical field of pressure vessel detection, in particular to a vessel and pipeline internal state comprehensive detection system capable of detecting various states inside a pressure vessel. The system comprises a pressure vessel which is in fixed connection with the foundation, a pressure pipeline which is in fixed connection and communication with the pressure vessel, an adjustment and monitoring device which is fixedly and electrically connected with the pressure vessel or the pressure pipeline, a comprehensive monitoring system which is electrically connected with the adjustment and monitoring device, and an operation terminal which is electrically connected with the comprehensive monitoring system. The present invention provides a vessel and pipeline internal state comprehensive detection system for detecting various states inside a pressure vessel, integrated with state monitoring, remote transmission and remote diagnosis, various conditionsin the pressure vessel or the pressure pipeline can be detected without an operator going to the site, fluid conditions in the pressure vessel or the pressure pipeline can be monitored in real time,the online operation and online feedback can be realized, various conditions can be processed timely, and work efficiency can be improved.

The invention discloses a protective cover, a connector, a disassembling tool and a method of disassembling the protective cover on the connector. The protective cover is used for protecting the connector, and comprises a body; one end of the body is concave and forms a cavity for accommodating a contact pin of the connector, the other end is concave and forms a connection hole for butt joint, andthe connection hole is not communicated with the cavity; and the surface of the body is provided with a bayonet communicated with the connection hole. According to the protective cover disclosed in the invention, the structure is simple, cyclic utilization is realized, the cost is saved, the contact pin of the connector is accommodated through opening the cavity, the contact pin is protected frombeing touched by a foreign body and from being damaged, pin inverting when an inserting card is inserted and pulled can be avoided, as the connection hole not communicated with the cavity is arranged, dust and the like can be prevented from polluting the contact pin, a dustproof role is played to the contact pin of the connector, bad contact or influenced signal SI performance can be avoided, moisture-proof and waterproof protection can be realized, and the contact pin can be prevented from being in bad contact due to corrosion.

The invention belongs to the fields of microbes and food biotechnologies, and concretely discloses a loose tea Eurotium cristatum fermentation technology. The technology comprises the following steps: 1, rehydrating gross tea by a rehydrating machine to make the water content reach 16-35 wt%; 2, adding the rehydrated gross tea to a rotary bottling machine to make the rehydrated gross tea be packaged in charging bottles, stacking the bottles, placing the charging bottles to a high-temperature and high-pressure sterilizer, sterilizing the charging bottles, adding the sterilized charging bottles into a cooling room, cooling the charging bottles to 30-80 DEG C, placing the cooled charging bottles into an inoculation room, and carrying out inoculation; 3, adding the inoculated charging bottles into a fermentation room, and carrying out fermentation at 20-40 DEG C under a humidity of 30-75% for 6-10 d; and 4, adding the fermented tea leaves to an automatic discharging machine, taking out the tea leaves from the charging bottles, placing the tea leaves in a drying disc, and drying the tea leaves until the water content is 5-12 wt%. The technology has the advantages of uniform Eurotium cristatum growth, high Eurotium cristatum growth capacity, obvious Eurotium cristatum, simplicity and high standardization degree, so the product quality is safe and controllable, the health effects of the product are further enhanced, and the product quality is excellent.

The invention discloses a copyright transaction system which comprises a control terminal and a transaction system, the control terminal and the transaction system are in bidirectional connection, thetransaction system comprises a listing system and a picking system, and the listing system and the picking system are in bidirectional connection. The listing system comprises an account registrationunit, a listing application unit, a listing agreement signing unit, a listing announcement sharing unit and an announcement off-shelf unit. The invention relates to the technical field of copyright transaction. According to the copyright transaction system, the listing system and the excerpting system are arranged, the listing application unit is utilized to be matched with the listing classification unit, the data submitting unit and the listing deadline limiting unit, so that data of a listing party and data of an excerpting party are audited, unpassed data can be rejected for supplementaryfilling, and passed data also have certain listing duration, not only can online operation of personnel be facilitated, but also more sense of trust can be added to transactions of the listing partyand the picking party.

The invention discloses a dial plate detection method and system based on a multi-task cascaded convolutional network, and belongs to the technical field of target detection. An instrument panel areain the whole picture is detected and feature points in the instrument panel are detected and positioned; a multi-task learning mechanism is adopted, the relation between sub-tasks is fully utilized, dual tasks of instrument panel area detection and instrument panel feature point positioning are achieved in parallel, a new online difficult sample mining strategy is used, and the training effect isbetter than that of manual sample selection. A corresponding training model is generated by training a data set, and dial detection and dial feature point positioning are performed on a test set picture by using the training model so that accurate detection of the dial area and accurate positioning of the dial feature points under different backgrounds can be realized and the effect of real-time detection can be achieved by the lightweight convolutional neural network design.

The invention relates to an emergency processing method for falling of a sliding valve gate plate through a catalyst. The method comprises the following steps that S1, a flange short-section hot-tapping hole is formed in the accurate portion of the back side of a sliding valve; S2, a gate plate jacking-back device and a blowing device are installed on a flange short-section, specifically, the gateplate jacking-back device comprises a lead screw ejector rod; and S3, the lead screw ejector rod penetrates through the formed hole, the sliding valve gate plate can be further pushed to open the sliding valve, a broken valve rod on the other side of the sliding valve can still the sliding valve gate plate to close to the sliding valve, the sliding valve control effect recovers, and blowing is carried out every time the sliding valve gate plate is opened or closed. The invention further discloses a device for the method. Online operation can be achieved, shutdown is not needed, benefits are great, the structure is simple, and safety and reliability are achieved.

According to the real estate sales management system provided by the invention, a developer client receives input real estate sales information and sends the real estate sales information to a management platform; the owner client receives the input real estate query instruction, sends the real estate query instruction to the management platform and checks data returned by the management platform; the financial institution client receives the input financial product information and sends the financial product information to the management platform; the management platform issues the real estate sales information which is approved, acquires corresponding data according to the real estate query instruction, returns the data to the owner client, and issues the approved financial product information. The system provides more intelligent electronic processes in the real estate sales process for developers, agents, financial institutions and owners, various users can realize online operation and diversified functions only through the system, the defect that various users need to go offline for transaction in a traditional method is overcome, the labor cost is saved, and the user experience is improved.

The invention belongs to the technical field of operation and maintenance systems, and discloses an operation equipment anomaly prediction operation and maintenance system, which comprises at least one operation equipment, a monitoring system, an identification system, an analysis system and a judgment system, the monitoring system is arranged on operation equipment; the identification system is electrically connected with the monitoring system; the analysis system is electrically connected with the identification system; and the judgment system is electrically connected with the analysis system. According to the method, the working state parameters of the operation equipment can be monitored in real time, comparison is carried out according to the ideal state, whether the operation equipment is abnormal or not is judged, a corresponding solution is output in a matched mode according to the abnormity, and therefore great work convenience is brought to workers. The invention further discloses an operation and maintenance method based on the operation and maintenance system.