278results about How to "Real-time monitoring of operation" patented technology

The invention provides a power supply system remote monitoring system. A transformer equipment data acquisition module acquires the analog quantity of field transformer equipment and the current, voltage, active power, reactive power, coil temperature and oil temperature at each side of the transformer. A power supply circuit data acquisition module acquires the current, active power and reactive power of a power supply line, the voltage and frequency of a bus, and the three-phase voltage, three-phase current, zero-sequence voltage and zero-sequence current of the power supply line. A circuit breaker data acquisition module, an isolating switch data acquisition module and a grounding switch data acquisition module are respectively used for acquiring the switching quantity of the field equipment. Through a monitoring platform, systematic data storage is performed, monitoring clients can be connected to share data information, and grid maintenance personnel can exchange knowledge and accumulate data. Typical cases are formed based on stored maintenance process logs, maintenance process cases and related standard or specification files. Related standards, specification documents and operation procedures are provided. Knowledge and experience sharing and management are realized.

The invention relates to a crushing process of an alumina crusting block generated during the first-stage electrolytic aluminum production and a production line thereof. The crushing process includes the following steps: feeding, grinding, material separating, air supplementing, material collecting, dust collecting and material storing. As to the production line for realizing the crushing process of the alumina crusting block, a mechanical part comprises a raw material bin, a feeding machine, a grinding machine, a sorting machine, a cyclone dust collector, a bag type dust collector, a chute and a finished product bin which are sequentially connected with each other; an electric control part comprises an IPC (industrial personal computer), a PLC, a frequency changing and speed regulating system, an acousto-optic alarm display system and a sensing system. The crushing process and the production line thereof in the invention achieve the standard discharging granularity that usually 2/3-stage can achieve, increase the production efficiency, reduce consumption, and can timely recycle the alumina crusting block at the same time.

The invention discloses a water area automatic routing inspection system and method based on an unmanned aerial vehicle. The system partially comprises a ground control center, an intelligent take-off and landing station and the unmanned aerial vehicle, wherein the ground control center comprises an unmanned aerial vehicle dispatching platform and a water area routing inspection result analysis platform; the unmanned aerial vehicle dispatching platform is used for selecting vehicle types of the unmanned aerial vehicle; the water area routing inspection result analysis platform receives and stores the water area routing inspection data and analyzes the water area features through water area routing inspection data; the intelligent take-off and landing station comprises a data transmission module and an autonomous cruising module; the data transmission module is used for receiving data sent by the unmanned aerial vehicle in real time, and sending the data to the ground control center; the autonomous cruising module is used for using a non-manual method for changing a power supply battery of the unmanned aerial vehicle in the process of executing the water area routing inspection task by the unmanned aerial vehicle; the unmanned aerial vehicle cruising function is executed.

The invention discloses a workshop production scheduling method based on a genetic algorithm, and the method comprises the steps: constructing and training a decision tree model based on labeled orderdata, and inputting to-be-produced order data into the trained decision tree model to obtain the priority of a to-be-produced order; based on comprehensive consideration of a genetic algorithm, constraint conditions, encoding and decoding, fitness calculation and the like, finding an optimal production scheduling plan and finally, presenting a specified number of encoding schemes to production scheduling personnel in a graphical interface form for selection. Furthermore, the invention also discloses a workshop production scheduling system based on the genetic algorithm corresponding to the workshop production scheduling method. In the process of using the genetic algorithm to participate in decision making, the factors such as production efficiency, overall balance of the production line,multi-objective optimization and possible emergencies are comprehensively considered, the production efficiency is improved, the balance of the production line is realized, and the maximization of enterprise benefits is facilitated.

The invention discloses a closed type production line device and a method for crushing aluminum oxide crusted blocks. In the invention, materials are crushed primarily on a production line, so that the feeding particle size is less than or equal to 300 millimeters, the discharging particle size is less than or equal to 1 millimeter, a standard discharging particle size which can only be reached by performing secondary and tertiary crushing is reached, the production efficiency is increased, the consumption is lowered, and aluminum oxide crusted blocks are recycled in time; and automatic running of the entire production line is controlled through an electric control system, so that dust purification in the crushing process is realized simultaneously. The closed type production line device consists of a mechanical part and an electric control part, wherein the mechanical part consists of a crusher, an iron remover, a conveyer, a raw material cabin, a gate valve, a vibratory feeder, a pulverizing mill, an air locking discharge valve, a coarse powder separator, a cyclone dust collector, a circular fan, a bag type dust collector, an exhaust fan, iron removers and a finished product cabin. The method for crushing the aluminum oxide crusted blocks comprises feeding, pulverizing, material separating, air replenishing, material and dust collecting and material storing in sequence. The device and the method are safe, environmentally-friendly and efficient, and energy is saved.

This invention discloses a method of ammonia liquid storage tank remote monitoring and automatic spraying system. This system can real -time on-line monitor operational conditions of storage tank and provide rapid remote processing if ammonia liquid accidentally leak. The remote photographical monitoring system can monitor the device operating state directly. When ammonia liquid leaking, the remote pneumatic cut-off valve intercepts the storage tank out of the flow quickly. At the same time, the ammonia on-line monitor and automatic spraying system can dilute the ammonia liquid and ammonia into waste liquid, which is then transferred to other working procedure by waste liquid pump. Thus, it effectively decreases ammonia leaking pollution. This invention is safe, simple and low cost.

The present invention provides a low-voltage transformer area fault diagnosis system. Data control subsystems are arranged in various low-voltage transformer areas of a power distribution network; monitoring and diagnosis are carried out on parameters of the low-voltage transformer areas, such as three-phase voltage, three-phase current, frequency, power, oil temperature and switching quantity; when the monitored parameters exceed threshold values, an alarm is given; the time information of a Beidou clock source is obtained, so that the time of components within system time can be set in a unified manner; the data information of monitoring points in the monitored areas is organically integrated through the forms of lines, formulas, instruments, tables, graphs and numerical values; the integrated data information is outputted in a visualized manner, so that a data development trend chart can be formed; key parameters can be prominently projected onto a display platform; and when the data information in the monitoring points exceeds a threshold value, alarm filtering, alarm forwarding, alarm display, alarm query and alarm statistics related processing are carried out, and then, alarm information is stored timely and correctly.

The invention relates to a power system fault pre-alarming method based on the traveling wave electric amount measurement, belonging to the field of power system relay protection; the method comprises: collecting the traveling wave electric amount measured on part or all the power equipment in the power system in real time and synchronously monitoring whether perturbation occurs on the power system; recording the occurrence time of the perturbation; and comparing the characteristics of the traveling waves electric amount on all the power equipment and determining the power equipment where the perturbation occurs; comparing whether the power equipment where the last three times perturbations including the current perturbation occur is the same power equipment; if yes, calculating the interval between the first perturbation and the third perturbation of the last three perturbations; the time interval being smaller than or equal to the preset time interval, judging that the power equipment has a fault and outputting the result of the fault pre-alarming. The invention can promptly provide power system fault pre-alarming information, thus reducing the power system faults, improving the power system supply reliability and ensuring the safe and stable operation of the power systems.

The invention belongs to the technical field of optical machining and particularly relates to an intelligent flexible polishing method for a non-spherical optical element and an intelligent flexible polishing device adopted for the intelligent flexible polishing method. The intelligent flexible polishing method includes the steps that (1) a robot scans a workpiece through a sensor to collect characteristic information of the workpiece; (2) a robot control system determines a polishing theoretical track; (3) a polishing mechanism drives a polishing airbag to move on the surface of the workpiecealong the polishing theoretical track, and the material removal quantities of various points on the surface of the optical element are accurately controlled; and (4) the robot control system carriesout iterative operation repeatedly so as to control the surface shape error of the workpiece. The intelligent flexible polishing device comprises the robot (1), a rotating joint (2), a workbench (10),an air pressure adjusting device (12), the robot control system (13), the polishing mechanism (7) and a computer (14). A machine area is stable, surface shape adaptability is good, the operating conditions of a polishing system can be monitored in real time, and ultraprecise polishing of large-size high-curvature non-spherical surfaces is achieved.

The invention discloses a detection method for GPS antenna malicious shielding. The detection method comprises the steps that firstly, whether GPS positioning is effective or not is detected, if GPS positioning is invalid, the suspicion that a GPS antenna is shielded and cannot be positioned exists, and whether the GPS positioning invalid phenomenon is caused by signal shielding or not is judged through the SNR algorithm; if the calculation result is true, it is determined that the GPS antenna is shielded maliciously, and then the second step is executed to conduct malicious shielding detection; secondly, an invisible light emitter and an invisible light receiver are arranged inside an GPS antenna receiving head, the invisible light emitter is responsible for emitting outwards signals of invisible light with the designated wavelength, the invisible light receiver is responsible for receiving the signals of the invisible light, whether shielding objects exist outside the GPS antenna or not is judged by detecting whether the receiver receives the signals of the invisible light with the designated wavelength or not, and if the receiver receives the signals of the invisible light with the designated wavelength sent by the emitter, it is indicated that the GPS antenna is shielded maliciously.

The invention discloses a universal variable-frequency electromagnetic descaler. The interior of the descaler comprises a one-chip microcomputer main control board which is respectively connected with an LED backlight control module, a lattice liquid crystal display module, a coil power amplifier trigger circuit module, a D/A converter, a coil alarm module, an activate key, a main menu button, a reset circuit module, a parameter setting module, a PC communication module, a measuring module and a key switch through leads, wherein the LED backlight control module is connected with the lattice liquid crystal display module through a lead, the coil power amplifier trigger circuit module is successively connected with a coil power amplification module and an output coil through leads, the D/A converter 7 is connected with a coil power source control module through a lead, and the parameter setting module is connected with a parameter setting button 18 through a lead. The invention further discloses the descaling process of the universal variable-frequency electromagnetic descaler. The universal variable-frequency electromagnetic descaler provided by the invention is convenient to install and use and has good descaling and antiscaling effects.

A 3D printer comprises a driving wheel which is arranged in the moving direction of a printing wire produced by the 3D printer and is used for driving the printing wire, and a motor used for driving the driving wheel. The 3D printer further comprises a wire plugging detection module. The wire plugging detection module comprises a driven wheel which is subjected to the friction of the printing wire to rotate, a reflective photoelectric switch which is used for detecting whether the driven wheel rotates or not, and a single chip microcomputer which is electrically connected with the reflective photoelectric switch and the motor. The reflective photoelectric switch emits pulse signals when detecting that the driven wheel rotates, and does not emit pulse signals when detecting that the driven wheel does not rotate. The single chip microcomputer is standby when receiving the pulse signals, and emits control signals to enable the motor to stop working when not receiving the pulse signals. According to the 3D printer, when the printing wire is plugged, the motor can be actively made to stop working, and therefore raw material waste caused by continuous printing wire conveying is avoided.

The invention provides a credit grading model updating method and system. The credit grading model updating method and system are used for constructing a sample of a current credit grading model as abenchmark, and the attribute availability of the current credit grading model and the stability and the accuracy of the current credit grading model are determined. When the attribute of the current credit grading model cannot be obtained or the stability of the current credit grading model exceeds a preset stability threshold value or the accuracy of the current credit grading model exceeds a preset accuracy threshold value, a new credit grading model is built so as to update the current credit grading model; otherwise, the current credit grading model is continuously used. The running condition of the current credit grading model can be monitored in real time. When the current credit grading model is invalid or the operation result is not accurate, timely updating is carried out to ensure the reliability and the accuracy of credit grading.

The invention discloses a detection and transmission method of a torque, the load and the rotational speed of a screw pump pumping well. During running of the screw pump pumping well, parameters of the torque, the load and the rotational speed of a polished rod of the screw pump pumping well are collected and are treated with data operation after signal conditioning, and then data subjected to data operation treatment is stored or is wirelessly transmitted. In the device for realizing the method, a shell is provided with a solar collection board, a torque load sensor, a rotational speed sensor and a wireless transmitting antenna and is internally provided with a storage battery, a power voltage stabilizing module, a signal conditioning module, a data operation treatment module, a storage module and a wireless transceiving module. With the adoption of the method, the running condition of the screw pump pumping well can be monitored in real time, thereby the accuracy of diagnose is ensured; and with the adoption of the device, the torque, the load and the rotational speed of a screw pump can be detected under the conditions without shutdown and artificial interference, thereby the safety, the reliability and the real-time performance of detection are ensured.

The invention relates to a distribution network fault first-aid repair power failure information reporting system and method. The technical proposal of the distribution network fault first-aid repair power failure information reporting system and method is that: a 95598 remote work station, a DMS distribution network automatic system, an OMS dispatching management system are respectively connected with a data supporting platform through an information interaction bus; the data supporting platform comprises an application server, a data server, a storage device, a load balancer, a switch and a firewall; the load balancer is connected between the application server and the data server; the storage device is connected between the application server and the data server; and the data supporting platform performs information interaction with a control computer through the firewall, the 95598 remote work station and the DMS distribution network automatic system. The distribution network fault first-aid repair power failure information reporting system and method has the advantages of monitoring the running condition of power grid in real time, finding out a power failure event in time, changing passive receiving of a 95598 fault work order treatment scheme into active treatment so that the 95598 fault work order treatment scheme can actively sending a power failure short message to a user of the power failure area; merging the fault work orders of the same power failure event, reducing the reporting time for the power failure information, improving the working efficiency and realizing first-rate service.

The invention discloses a panoramic real-time simulation method for a power system, which comprises the following steps: respectively constructing a primary system model and a secondary system model of a substation; writing the simulation data of each step into the real-time database after the system model is calculated once. Once the system model has computed and written simulation data of any step size to the real-time database, the secondary system model collects the data from the real-time database; simultaneously, the primary system model transmits the simulation data to the signal converting device, and if the primary system model receives the action information sent by the secondary system model and simultaneously receives the information returned to the primary system model by thesignal converting device, the simulation is carried out according to the topology structure formed at present. The invention coordinates and synchronizes the primary system simulation, the secondary equipment simulation and part of the real secondary equipment, and has the interoperability, thereby forming a complete simulation test system, which can ensure the seamless docking of the simulation platform with the real secondary equipment and the virtual digital protection.

The invention discloses a computer information safety storage system. The system comprises a human-computer interaction module, a plurality of safety storage spaces, an operating state recording module, a computer safety monitoring module, a data transferring module, a network cutting module, a USB interface cutting module, an emergency passage module and a central processor. According to the system, by the combination of biological characteristic data, primary random encryption and secondary ciphertext encryption, the division of encryption storage and operating authorization of the computerinformation is achieved, and therefore the data safety is greatly improved; by the design of the computer monitoring module, the real-time monitoring of the user operating state and the computer safety situation is achieved, a data transferring function is provided, and the information safety is further guaranteed.

The invention discloses an intelligent monitoring device for a deep-hole drilling machine. The device comprises a main monitoring plate, a rotating speed monitoring module and a vibration monitoring module, wherein the rotating speed monitoring module and the vibration monitoring module are mounted on a main shaft of the drilling machine and are also electrically connected with the main monitoring plate; an alarming module is arranged on the main monitoring plate. According to the device, the rotating speed monitoring module and the vibration monitoring module are mounted on the main shaft of the drilling machine, so that the running condition of the main shaft can be monitored in real time; in case of abnormality of the monitored data, the main monitoring plate can alarm to remind operators of troubleshooting equipment, so that the safety of the drilling machine and the service life of a drill bit can be effectively protected; the drilling machine can be intelligently monitored.

The invention discloses a method for monitoring abnormal logins and abnormal operations of an electricity utilization information acquisition system account. The method includes the following steps: separately establishing data models for recording account logins and account operations in a system background, and performing log recording on login and operation information of the electricity utilization information acquisition system account; by periodically judging whether the number of logins and operations of the same account within a minute or an hour exceeds a certain threshold and/or whether repeated logins and operations exist within the same second, judging the login anomaly and operation anomaly of the account, and performing access restriction on the account; and recording the login anomaly or the operation anomaly of the account in a log table, wherein the anomalies include the abnormal time, anomaly types and the number of restrictions. According to the method disclosed by the invention, the login and operation conditions of the system account are monitored in real time, the account with the abnormal logins and operations can be restricted in real time, and thus the stability and security of the system operation can be improved.

The invention relates to an electronic-type fee-control electric energy meter and particularly relates to a wireless remote meter reading fee-control electric energy meter. The electric energy meter comprises a microprocessor and is characterized by also comprising a wireless communication module with the microprocessor, thus realizing two-way communication with a remote server through a wireless network. Compared with the prior art, the electric energy meter provided by the invention has the following advantages: 1, meter reading is convenient, so that a power supply department does not need to carry out fussy meter reading in a user power utilization field but only needs to carrying out wireless remote meter reading; and 2, the user power utilization condition and the power grid operating condition can be monitored in real time, and task monitoring and real-time stationary measurement are customized through a master station, so that the power utilization condition and the power grid operating parameter can be analyzed.