873 results about "Automated control system" patented technology

The invention relates to the technical field of microbial fermentation control, in particular to an automatic microbial reaction fermentation control system and a control method. The method comprises the following steps: collecting real-time microbial environment parameters and identifying a data multi-axis structure, extracting master control environment interval data, eliminating redundant signals to generate standard microbial environment data, defining a fermentation degree contrast template through fermentation historical records, and constructing a microbial fermentation timeline framework. The method comprises the following steps: acquiring standard environmental data, identifying a fermentation state of the standard environmental data, constructing a simulated microbial environmental field by using the standard microbial environmental data, performing global microbial reaction simulation, determining fermentation reaction structure partitions based on the data, performing difference comparison to generate fermentation difference data, and performing compensation simulation by using the difference data. And automatic fermentation compensation control of microorganisms is realized. According to the invention, the intelligent automatic control and optimization of the microbial fermentation process are realized, the fermentation efficiency and stability are obviously improved, and the manual intervention is reduced.

The invention provides a well drilling automatic control system which comprises an input establishing module used for inputting well track design parameters and establishing a well drilling system dynamic model; the target trajectory planning module is used for verifying stratum parameters according to the actual drilling data and planning the target trajectory of the current drilling section based on the verification result by using the drilling system dynamics model to obtain the target trajectory; the control quantity feed-forward calculation module is used for calculating the control quantity of the drilling machine by adopting a feed-forward algorithm based on the target track parameters, controlling the drilling real-time calibration module of the drilling machine, and correcting the control quantity in real time based on real-time evaluation of drilling errors in the drilling process; and the data output module is used for outputting logging data in the drilling process of the column after the preset drilling distance of the column is reached. Full-intelligent operation in the drilling process is achieved, and the precision, safety and oil and gas recovery efficiency of drilling operation are effectively improved.

The invention belongs to the technical field of automatic control, and relates to a self-adaptive control method based on multi-physical modeling. According to the method, by collecting multi-source data of a controlled object, a thermal, electric and force coupling relation used for control analysis is established so as to describe dynamic responses under different operation conditions. And calculating stress, motor power, energy consumption and temperature rise change in the operation process based on a coupling relation to obtain system performance data, verifying stability and safety of different control parameter combinations in a simulation environment, and obtaining performance indexes including operation retardation risk, overload safety margin and safety response time limit. And according to a simulation result, under the condition of meeting safety constraints, taking energy consumption and temperature rise as optimization targets, adjusting control parameters, generating optimized control parameter configuration data, and feeding back the optimized control parameter configuration data to a control unit, so that closed-loop adaptive control and performance optimization are realized. According to the invention, through multi-physical coupling modeling and simulation optimization, the adaptability and reliability of the automatic control system are improved.

The invention discloses a hoist automatic control method for intelligent water conservancy, and belongs to the technical field of intelligent water conservancy. The method specifically comprises the following steps: S1, constructing a multi-dimensional parameter monitoring system: deploying multiple types of sensors on a hoist and corresponding water conservancy facilities, collecting water conservancy environment parameters, equipment operation parameters and environment meteorological parameters in real time, performing cleaning, format conversion and space-time alignment on data, and synchronizing the processed data to an intelligent water conservancy cloud platform; s2, historical data preprocessing and depth feature extraction: obtaining historical data of the multi-dimensional data, performing multi-dimensional preprocessing, constructing depth feature extraction ore pulp based on the preprocessed historical data and the data acquired in real time, and extracting depth features capable of accurately reflecting a water conservancy scene rule and an equipment operation state. By constructing a multi-dimensional parameter monitoring system, three types of parameters of a water conservancy environment, equipment operation and environmental meteorology are collected in real time, and decision one-sidedness caused by only depending on water level data is avoided.

The invention relates to the technical field of road maintenance, and discloses a laser leveling automatic control system for the paving thickness of a cold-recycled mixture, and the system comprises a state obtaining module which is used for obtaining state information in real time; the prediction module is used for generating a final forming thickness prediction value based on the dynamic compaction settlement model; the control decision module is used for determining the deviation between the final forming thickness predicted value and the preset target forming thickness and outputting a target control instruction based on the deviation; the execution module takes the target control instruction as input and sends the target control instruction to the paving device; and the model correction module is used for adjusting parameters of the dynamic compaction settlement model. The state information in the state acquisition module is received through the prediction module, a final forming thickness prediction value is generated, and error feedback adjustment is performed based on the final forming thickness prediction value, so that advanced modeling and compaction ratio prediction and auxiliary paving elevation regulation are realized, and the problems of large system hysteresis and slow response to nonlinear settlement are solved.

The invention provides a tire crane automatic control system and method based on embedded edge calculation, and relates to the technical field of port automation, the tire crane automatic control system comprises a sensing and detecting layer used for collecting motion states and operation environment information of a cart, a trolley and a lifting appliance of a tire crane in real time; the core control layer is used for processing sensor data in real time and generating a control instruction; the action execution layer comprises a PLC gateway, a main control PLC and a driving motor, the PLC gateway communicates with the core control layer and is used for receiving a control instruction, and the main control PLC drives the motor to execute corresponding actions of a cart, a trolley and a lifting appliance; and the task management layer comprises an intelligent remote control console, is in communication connection with the core control layer, and is used for issuing the operation task instruction to the core control layer and receiving the system state data from the core control layer. Unmanned operation of the tire crane can be achieved, and a complete technical base is provided for port automation.

The invention discloses a mobile small-flow flowmeter online calibration system and method, and belongs to the technical field of flow metering calibration. The system comprises a test pipeline, a start-stop valve group connected with a calibrated flowmeter in series, a weighing container, a high-precision electronic balance and a full-automatic control system. The system is characterized by further comprising an automatic emptying system which is kept physically separated from the weighing container during measurement and automatically descends to enter the container to empty liquid after measurement is finished; and the windproof vibration isolation system integrally wraps the high-precision electronic balance and the weighing container and is used for isolating environment airflow and mechanical vibration. Through the non-contact emptying and environment isolation design, the interference of the outside on the weighing precision is fundamentally eliminated, the technical problems of low field calibration precision and poor repeatability of the mobile small-flow flowmeter are solved in combination with the full-automatic control process, and the mobile small-flow flowmeter has the advantages of high calibration precision, high automation degree and high reliability.

The invention relates to the cross technical field of biomedical engineering and psychotherapy, in particular to an automatic control system for classified exposure therapy of phobia based on naked eye 3D. The system comprises an electroencephalogram signal feature extraction module, a heart rate variability feature extraction module, a skin electric response feature extraction module, an eye movement feature extraction module, a physiological load state feature extraction module, an exposure therapy process feature extraction module, a first feature fusion module, a second feature fusion module and a stimulation parameter adaptive control module. The method combines multi-mode biological signal real-time analysis and naked eye 3D stimulation parameter self-adaptive adjustment, and is suitable for clinical psychological treatment mechanisms and psychological health intervention scenes.

The invention discloses an oil and gas long-distance pipeline automatic control system fault identification method based on deep learning, and the method comprises the following steps: collecting and preprocessing a time sequence, and generating a standardized input sequence; constructing a physical constraint feature set, and generating a physical observable representation; encoding the valve opening instruction time sequence and the pump station frequency instruction time sequence to form a combined input sequence; obtaining Koopman state representation, and generating a linear evolution state sequence; a residual nonlinear compensation structure is introduced to generate residual features, and a comprehensive state sequence is formed; time scale splitting is carried out, and fast, medium-speed and slow time scale feature sequences are decomposed; identifying anomalies and generating a time scale anomaly feature set; leakage energy loss indexes are calculated and fused to form fault mode drift representation; judging the pipeline state, and outputting a fault recognition result. According to the invention, a deep Koopman operator structure is adopted, accurate identification of pipeline faults is realized, and the method has the advantage of high diagnosis reliability.

The invention discloses an intelligent fish culture automatic control system and method based on the Internet of Things, and relates to the technical field of aquaculture control, the system comprises a data sensing unit used for collecting water quality parameters, environment parameters and fish behavior information of a culture environment in real time by using a multi-parameter water quality sensor and an environment sensor; the intelligent control unit is used for executing a multi-parameter association control algorithm and an early warning control strategy based on the breeding environment data and executing a control instruction to adjust breeding environment parameters; the network communication unit is used for establishing data communication connection between the local and the cloud; the remote application unit is used for remote monitoring and manual intervention; the intelligent control unit comprises a main control module which is used for establishing an ammonia nitrogen driven dissolved oxygen early warning control strategy according to the water quality parameters and generating a stage treatment instruction in combination with the environmental parameters. Multiple sensors and an automatic control algorithm are integrated, water quality parameters can be monitored in real time, and the fish culture environment can be automatically adjusted.

The invention discloses a real-time monitoring and closed-loop regulation and control method and device for construction quality of an asphalt pavement, and relates to the technical field of intelligent monitoring of road construction. The method comprises the steps of collecting multi-modal data in a construction process and performing space-time alignment to generate a space-time aligned multi-modal data set; constructing graph structure data of the construction area based on the set; extracting a node embedding vector by using a graph neural network; synchronously outputting the compactness, the temperature uniformity index and the flatness index through a multi-task prediction model based on the vector; identifying a construction track abnormal area based on the road roller track data; and generating a construction quality digital twinborn model by integrating the information, and performing feedback regulation on an automatic control system of the road roller based on the model. Through multi-modal data fusion, graph structure modeling and multi-task collaborative prediction, real-time monitoring and dynamic regulation and control of the construction quality of the asphalt pavement are realized, the prediction precision can be effectively improved, and the monitoring efficiency and accuracy are remarkably improved.

The invention relates to a method for preventing a water hammer from being cut off during high-speed operation of a pipeline, which comprises the following steps of: 1, calculating pipeline pressure under various water levels and different flows according to the length of the pipeline, the inner diameter of the pipeline and the category of internal corrosion prevention, and preliminarily determining the opening degree corresponding to the flow required by operation of a flow regulating and pressure regulating valve; secondly, at least three cut-off methods including quick closing, slow closing and two-stage closing are proposed based on the initial opening degree of the flow and pressure regulating valve, the water hammer effects of all the cut-off methods are compared through simulation analysis, and the optimal cut-off scheme is selected; 3, verifying the optimal cut-off scheme in actual water supply operation of the water delivery pipeline; and fourthly, an automatic control system is additionally arranged at the position of the flow and pressure regulating valve, parameters are set through the system according to verified data, and automatic regulation and control over the opening degree of the valve and flow control are achieved. Unattended operation is achieved, sudden change of pressure borne by the pipeline can be effectively avoided, and operation stability is guaranteed.

The invention relates to the technical field of flotation machinery, and particularly discloses a high-precision automatic liquid level control system which comprises an intelligent controller, a PID controller, a laser distance measuring sensor, a floating ball and an intelligent valve positioner, the floating ball floats on the upper surface of liquid in a flotation tank, and the upper end of the floating ball is connected with a position feedback plate; the laser distance measuring sensor is used for measuring the position of the position feedback plate to obtain an actual liquid level and transmitting the actual liquid level data to the PID controller; the PID controller is used for carrying out PID operation on the actual liquid level and the set liquid level and outputting a signal to the intelligent valve positioner, and the intelligent valve positioner is used for controlling the air cylinder to move and opening or closing the valve through the linkage mechanism and feeding back execution parameters to the intelligent controller, so that the liquid level is automatically adjusted on line.

The invention relates to the field of industrial automatic control systems, and discloses a mine hoisting cage positioning information and emergency plan linkage control system, which comprises a conventional dynamic control unit and an absolute safety anchor point unit, the anchor point unit latches a continuous positioning value of a conventional unit when a binary anchor point sensor is triggered, and the absolute safety anchor point unit locks the continuous positioning value of the conventional unit when the binary anchor point sensor is triggered. The method comprises the following steps of: acquiring a theoretical reference value, comparing the theoretical reference value with the theoretical reference value to generate a drift calibration value, sending the drift calibration value to a conventional unit, and correcting a positioning reference by the conventional unit by using the drift calibration value. The online self-calibration of a control system is realized by using a safety anchor point, so that the safety unit is converted into an active calibrator; the accumulated drift of the high-precision sensor can be avoided during operation.

The invention discloses a vertical terrestrial heat ventilation and phase change energy storage floor fresh air coupling system, and belongs to the technical field of phase change material heat storage and building ventilation. The vertical terrestrial heat ventilation and phase change energy storage floor fresh air coupling system comprises a room body and a fresh air preheating system; the end, close to the fresh air preheating system, of the fresh air channel is arranged on the bottom side in the room body, the other end of the fresh air channel is arranged on the upper side, away from the fresh air preheating system, of the wall body in the room body, an inner interlayer is arranged on the bottom side in the room body, a phase change energy storage module is arranged in the top side of the room body, and a capillary hot water pipe network is arranged between the phase change energy storage module and the inner interlayer. An exhaust system is arranged at the end, close to the fresh air preheating system, of the inner interlayer, one end of the exhaust system is located on the upper surface of the inner interlayer, the other end of the exhaust system penetrates through the room body and is located on the outer side of the room body, and the fresh air channel, the capillary hot water pipe network and the exhaust system are further connected with an automatic control system. According to the invention, vertical sleeve geothermal ventilation and energy-saving regulation and control of a building thermal environment are realized.

An automatic control system for a hydrogen refueling station comprises a controller and multiple types of sensors which are electrically connected, and the sensors are used for monitoring pressure parameters, flow parameters and temperature parameters of hydrogen of the hydrogen refueling station; the controller is used for receiving the monitored pressure parameters, flow parameters and temperature parameters and analyzing and processing the parameters in real time so as to realize hydrogen leakage protection, overpressure protection and temperature protection of the hydrogen refueling station; the sensor is connected with the controller through a Modbus or a CAN (Controller Area Network) bus; the sensors comprise a temperature sensor, a pressure sensor and a flow meter, the temperature sensor and the pressure sensor are respectively arranged in a gas discharge column, a compressor and a heat exchanger of the hydrogen refueling station, and the flow meter is arranged in a hydrogen storage bottle group and a hydrogen refueling machine.

The invention relates to the technical field of shield tunnel reinforcement, and particularly discloses a foundation correction unit and a monitoring correction device for shield tunnel segments. The basic correction unit is composed of a duct piece support and a sliding rail base and is fixed to the surface of a duct piece in a lossless mode through a vacuum suction cup. The monitoring and correcting device is formed by connecting a plurality of annular correcting units and / or longitudinal correcting units, and the annular / longitudinal correcting units are formed by connecting basic correcting units and bidirectional force application rods and are integrated with monitoring sensors. The monitoring and correcting device is also provided with an automatic control system which comprises a data acquisition module and a servo module, the data acquisition module acquires monitoring data of the displacement sensor, the angle sensor and the vacuum gauge in real time, the servo module resolves the monitoring data in real time and generates a control instruction, and the suction force of the suction cup and the tension and compression load of the hydraulic oil cylinder are dynamically adjusted. And active correction of duct piece deformation and structural stability control are achieved. The tunnel deformation development can be effectively inhibited while the structural integrity of the duct piece is guaranteed.

An automated control system for a glider towed by a tug employs a sensor system (e.g., cameras mounted on at least one of the aircraft) to determine the relative position and velocity of the glider. A controller determines corrections to the flight characteristics of the glider in response to this data from the sensor system to maintain the glider on the surface of a limit sphere extending behind the tug with a predetermined radius based on the length of the tow cable. An interface to the flight controls of the glider maintains the desired flight characteristics of the glider provided by the controller.

The invention relates to the technical field of circulating fluidized bed flue gas desulfurization, and discloses an automatic control system applied to a CFB desulfurization digester. The feeding unit is used for conveying quick lime and comprises a quick lime bin, a screw feeder and a belt conveying scale which are connected in sequence, and the belt conveying scale is in signal connection with the digestion automatic controller; the digestion reaction unit comprises a three-stage digester and a plurality of digestion thermometers arranged in the three-stage digester, and the digestion thermometers are in signal connection with the digestion automatic controller. The water-cement ratio is dynamically adjusted by monitoring the temperature change trend in real time, fluctuation of the quality of quick lime can be automatically adapted, and the limitation of fixed water-cement ratio control is overcome; by searching the optimal water-cement ratio, the full digestion of the quick lime is ensured, and the activity and uniformity of the slaked lime product are improved; and moreover, the dependence on artificial experience is reduced through automatic control, and the stability and continuity of system operation are improved.

The invention relates to the technical field, and discloses a tablet weight automatic control system based on tablet candy production, comprising: a pressure detection module for detecting the actual pressure value of a candy tablet in real time in the tabletting process; the signal conversion module is used for converting the analog quantity signal output by the pressure detection module into a VME digital signal; the control processing module is used for executing a discretization PID control algorithm, comparing the actual pressure value with a set pressure value and outputting a control instruction; the filling adjusting module is used for adjusting the material filling amount according to the control instruction; the metering guide rail module is used for accurately controlling the material feeding position; vME bus high-speed data transmission (40MB / s) and a PID real-time control algorithm are adopted, the system response time is shortened to be within 100 ms, and compared with 3-5 min response time of a traditional method, the response time is improved by 1800-3000 times. Adjustment can be completed within three tabletting periods after deviation is detected, and generation of unqualified products is greatly reduced.

The invention relates to the technical field of automatic control in the textile industry, and discloses an automatic control system of a doffer, which comprises a sensing module, a decision control module, an execution module, an energy consumption management module and a fault monitoring and maintenance module. Through a multi-dimensional data acquisition and intelligent control technology, each link of operation of the doffer can be comprehensively covered, conventional mechanical action execution is concerned, factors such as spindle posture, yarn tension, equipment energy consumption and vibration state are also included, and an intelligent algorithm is deeply integrated to carry out working condition analysis and instruction generation; doffing control can meet production requirements more accurately, and powerful support is provided for efficient development of doffing operation.

The invention discloses cement-based material carbon dioxide mineralization maintenance equipment, which comprises a mineralization maintenance kettle, and has the beneficial effects that through the cooperative work of an external forced circulation system and an internal multipoint uniform gas distribution and wet distribution structure, and in combination with an auxiliary heat conduction structure, a heat conduction pipe and an inner heat conduction ring, the traditional static and weak convection maintenance mode is broken through; gas at each point in the kettle is efficiently mixed, and local overheating, overwetting or insufficient reaction is avoided, so that the performance uniformity of materials in the same batch is ensured, the mineralization reaction process is accelerated, an integrated and automatic control system is constructed, and safe, stable and intelligent operation of the maintenance process is ensured; after curing is finished, residual gas rich in unreacted carbon dioxide in the kettle can be effectively collected and purified for recycling through a recovery device composed of a sucking pump and a collecting pipe, and heat can be efficiently transmitted and recycled inside and outside the system through the design of a heat exchanger and a heat conduction structure.

The present invention relates to the technical field of medical devices, and specifically to a medical anesthesia machine capable of preventing anesthetic reflux. The present invention comprises: a main body mechanism, a drug filling mechanism and a mask mechanism. The main body mechanism comprises a columnar shell and a support frame. An anti-skid column is fixedly installed on the top of the columnar shell, an anesthetic treatment medicine tube is installed on the anti-skid column, an anesthetic treatment medicine tube is fixedly connected to the inner wall of the anesthetic treatment medicine tube with an anesthetic evaporator, and a sealing plug is slidably embedded between the anesthetic treatment medicine tube and the anesthetic evaporator. During the atomization anesthesia process, the present invention can coordinate the operation of various components of the device through an automated control system according to the patient's inhalation and exhalation states, push the atomized anesthetic gas to be delivered to the mask for the patient to inhale during inhalation, stop the delivery in time and close the corresponding passage during exhalation, so that the anesthetic delivery is synchronized with the patient's breathing, which not only ensures the anesthesia effect but also greatly reduces the possibility of anesthetic reflux caused by reverse pressure difference.

The invention relates to the technical field of nuclear power plant automatic control and fluid regulation, in particular to a nuclear power plant condensation water regulating valve automatic control system which comprises a sensor data acquisition and synchronization module which acquires and synchronizes parameters in a nuclear power plant condensation water system; the reinforcement learning control module reads parameters of the sensor data acquisition and synchronization module, and generates a regulating valve control strategy by using a reinforcement learning algorithm; the real-time prediction and control decision module controls and predicts the opening degree of the condensed water regulating valve according to the regulating strategy of the reinforcement learning control module; and the anomaly detection and safety protection module reads the parameters acquired by the data acquisition and synchronization module, monitors the parameters and gives an alarm according to an anomaly monitoring result. According to the system, valve oscillation and unreasonable adjustment in a traditional method can be avoided while a valve adjustment strategy is learned and optimized in real time, and the precision and stability of condensed water flow adjustment are improved.

The invention relates to a few-person offshore platform domestic sewage treatment device which is characterized in that a liquid level sensor, a regulating cabinet COD sensor, a regulating cabinet ammonia nitrogen sensor and a regulating cabinet pH sensor are arranged in a regulating cabinet, a hydrolysis cabinet filler and a hydrolysis cabinet DO sensor are arranged in a hydrolysis cabinet, and an anoxic cabinet filler, an anoxic cabinet MLSS sensor and an anoxic cabinet DO sensor are arranged in an anoxic cabinet; an aerobic cabinet MBBR, an MLSS sensor and a DO sensor are arranged in the aerobic cabinet, a clear water cabinet liquid level sensor, a COD sensor, a clear water cabinet ammonia nitrogen sensor and a clear water cabinet pH sensor are arranged in the clear water cabinet, and the automatic control system is electrically connected with the multi-parameter water quality analyzer, the sensors, the pumps and the electromagnetic valves. The device is used for domestic sewage treatment of a'few people 'offshore platform, and effluent treated by the device meets the requirements of the decision (containing nitrogen and phosphorus) of the International Maritime Organization MEPC.227 (64).

The invention discloses an industrial internet collaborative AI algorithm time-sharing and pressure-sharing flow-adjusting water supply energy-saving system, and relates to the technical field of industrial automatic control system device manufacturing, and the system comprises a multi-source data acquisition module which obtains equipment, user and environment parameters in real time, and generates working condition feature vectors; the traffic pre-judgment module predicts traffic in combination with historical data; the self-adaptive division module dynamically adjusts a time period boundary; the meta-learning collaborative decision-making module generates a control scheme through a pressure-flow collaborative optimization algorithm; the closed-loop control module adjusts a water pump and a valve to realize energy-saving optimization of the water supply system; according to the invention, through multi-source data acquisition and integration of equipment, user and environment data and flow pre-judgment, trend analysis and sudden change prediction, self-adaptive division of dynamic adjustment time periods, meta-learning collaborative decision generation of a pressure-flow control scheme, closed-loop control and accurate adjustment, dynamic collaborative optimization is realized, and dual goals of energy conservation and stable water supply are achieved.

The invention discloses a product distribution profit sharing automatic control system based on an intelligent contract, and relates to the technical field of automatic control. The system comprises a timeliness parameter acquisition module, a timeliness intelligent regulation and control module, a consistency parameter acquisition module and a consistency intelligent regulation and control module. According to the method, the timeliness of the distribution profit sharing data is obtained by obtaining the timeliness parameters, whether intelligent timeliness regulation and control are executed is judged, if yes, a cooperative verification link is executed after regulation and control, and if not, the cooperative verification link is directly executed, the consistency parameters are obtained to obtain the consistency of the distribution profit sharing data, and whether intelligent consistency regulation and control are executed is judged. And if yes, executing a profit sharing process automatic execution link after regulation and control, and if not, directly executing the profit sharing process automatic execution link, thereby improving the accuracy of product distribution profit sharing automatic control, and solving the problem of low accuracy of product distribution profit sharing automatic control caused by low reliability of on-chain and off-chain data interaction in the prior art.

The invention relates to the technical field of water pump operation monitoring, control and fault processing, in particular to a water pump operation monitoring and automatic control system which comprises a multi-parameter monitoring module, a data processing and transmission module, an intelligent decision control module, a self-adjusting module and a fault diagnosis early warning module. The P factor can be adjusted in time through instantaneous correction of the change rate of the pressure deviation of the water outlet end, and quick response and stable control of the pressure are achieved; and secondly, in the execution aspect, broadband adjustment of a frequency conversion controller of 5-50 Hz is adopted, fine adjustment is preferentially adopted when the pressure deviation of an electric adjusting valve is smaller than 0.05 MPa, and reasonable application of coarse adjustment and fine adjustment is achieved in cooperation with the large-range working condition of field actual operation and the small-range parameter difference.

The invention provides a multiphase flow metering automatic control method and device, a medium and a program product, and is applied to an automatic control system of a multiphase flow metering device.The method comprises the steps that metering data from a mass flow meter, a gas flow meter and a liquid level meter are obtained, time synchronization processing and unification processing are conducted on the metering data, and a standardized data set is generated; based on the standardized data set, characteristic parameters representing the multiphase flow state are extracted, and a state parameter set used for describing the current flow state is generated; when at least one index in the state parameter set meets an abnormal judgment condition, an abnormal flow state is judged, and a corrected liquid level value is generated; and based on the deviation value between the corrected liquid level value and the reference liquid level, a feedback control signal is calculated, and the opening degree of the valve is dynamically adjusted, so that the liquid level of the fluid in the outlet pipeline is automatically maintained within the preset height range. According to the automatic adjusting mechanism, the liquid level in the outlet pipeline can be automatically adjusted within the preset height range, and stable output of the liquid phase is achieved.

An automatic feeding mechanism of a continuous mesh belt tempering furnace is automatic feeding equipment for tempering car parts after medium-frequency quenching and cleaning, and adopts the technical scheme that the automatic feeding mechanism comprises a working table plate and a tempering furnace, the working table plate is fixedly connected with a furnace body of the tempering furnace through a transition plate, and a feeding device, a pushing device and a control device are arranged on the working table plate. An electric control cabinet is arranged below the working table plate, a controller connected with an automatic control system is arranged in the electric control cabinet, the feeding device automatically takes workpieces and sends the workpieces to the tempering furnace, the pushing device pushes the multiple rows of workpieces to an inlet of a mesh belt of the tempering furnace, and the workpieces on the mesh belt automatically enter the heating box. According to the utility model, automatic multi-row feeding can be carried out when outer ring or jacket workpieces in a car are tempered, the labor intensity of operators can be reduced, the working efficiency is improved, the supply time is shortened, the occupied area of the tempering furnace is reduced, the labor force is liberated, and the operators have time to supervise other equipment.