48results about How to "Real-time monitoring of operating parameters" patented technology

The invention relates to an intelligent urban gas PE pipe network measurement and control system and method. The intelligent urban gas PE pipe network measurement and control system is characterized in that a plurality of measurement and control nodes are arranged on a pipe network between a gas source and a user; each measurement and control node can collect the pipe network gas running pressure, temperature and flow of the corresponding geographic position point of the PE pipe network and send the pipe network gas running pressure, temperature and flow to a master control room server through a wireless local area network and can also receive valve closing control instructions from the master control room server; and the position of each measurement and control node is provided with an intelligent PE valve, wherein the intelligent PE valve is provided with a power storage module, a pipe exterior master control module and a pipe interior wireless collection module. According to the intelligent urban gas PE pipe network measurement and control system and method, the intelligent PE valves are arranged on the pipe network in a segmented manner and are all connected to the master control room server of the urban gas PE pipe network through the wireless network, and through the monitoring analysis and leakage judgment method, real-time monitoring and safety monitoring of integral pipe network running are achieved.

The invention belongs to the technical field of railway carriage equipment diagnosis, and relates to a method for long-distance collection and diagnosis treatment of a vehicle-mounted equipment status. The method adopts a cloud platform-based remote wireless monitoring system to monitor the information of the vehicle-mounted equipment status in real time. The cloud platform-based remote wireless monitoring system comprises a vehicle-mounted equipment detection module, a data communication terminal and an internet cloud platform. The cloud platform-based remote wireless monitoring system can monitor the operating parameter and status information of a vehicle in real time and realize the on-line intelligent diagnosis and long-distance acceptance of status and fault information to discover the failure of vehicle-mounted equipment timely and rapidly and to transmit the failure to relevant units quickly and accurately, thereby minimizing the maintenance time, reducing the equipment failure rate and improving the operation safety of trains.

The invention belongs to the field of automatic control, and relates to a double-screw synchronization control method based on a virtual main shaft. The method comprises the steps: achieving the synchronous operation of a radar array plane drive screw through the synchronization control mode of the virtual main shaft, enabling a position instruction to serve as the virtual main shaft, taking two servo motors to serve as driven shafts, and enabling the two motors to operate under the drive of the main shaft. The method achieves the quick and high-precision setting-up requirements of a phased array radar plane, solves problems in the screw synchronization drive that a lagged driven shaft, the bigger position or force moment difference of two screws and the excessively quick adjustment cause the system oscillation and poorer synchronization reliability. The method is good in application prospect in the field.

The invention discloses a fuel cell hybrid power tramcar united braking system and method. The system comprises a fuel cell power supply circuit, a lithium ion battery power supply circuit, a super-capacitor power supply circuit, a traction inverter, a traction motor, a mechanical braking device, a control system, a direct current bus and a braking resistor. Optimal braking and braking energy recycling maximization are achieved when it is guaranteed that fuel cell hybrid power reliably supplies power to a tramcar load; and on the premise that the braking performance of the system is guaranteed, optimal braking uniting regenerative braking, energy consumption braking and mechanical braking is achieved, braking energy is recycled as much as possible, the fuel use rate is increased, the purpose of fuel economical efficiency is achieved, the service life of an energy storage device is prolonged, and cost is reduced.

The invention discloses a regenerated braking energy recovery optimization method and system for a hybrid power tramcar. According to an operation characteristic curve of the fuel cell hybrid power tramcar and a mechanical characteristic curve of a traction motor, braking operation control optimization of a driving mode is set, electric braking force is fully utilized, and braking energy feedbackis maximized; and then, by optimizing energy management strategies, output distribution of all power supplies is controlled, and braking energy recovery is maximized. According to the regenerated braking energy recovery optimization method and system for the hybrid power tramcar, stable braking and braking energy recovery are achieved while it is ensured that a fuel cell hybrid power system supplies electricity to the load of the tramcar reliably; under the premise of ensuring the braking property of the system, braking optimization of combination of feedback braking, energy consumption braking and mechanical braking is achieved, braking energy recovery is maximized as much as possible, the fuel utilization rate is increased, and the purpose of fuel economy is achieved; and braking noise is reduced, emission is reduced, the service life of an energy storage device is prolonged, the operating cost is reduced, and the braking safety of the tramcar is improved.

The invention discloses an equipment fault alarm method and system, and the method comprises the following steps: 1), obtaining fault information of equipment through an instrument control system, andtransmitting the fault information to a fault analysis system; 2) generating alarm information according to the fault information of the equipment by utilizing a fault analysis system, and sending the alarm information to a graded alarm system; and 3) generating a graded alarm scheme according to the alarm information by using a graded alarm system, and performing graded alarm. The system provided by the invention adopts the method. According to the invention, operation parameters of the equipment can be monitored in real time, faults can be found in time, highly-targeted accurate alarm can be carried out, efficient, accurate and reliable guidance is provided for equipment maintenance, the automation degree and accuracy of equipment fault alarm processing are improved, safe and efficientoperation of the equipment is effectively ensured, and the system and method have very high economy, and are very suitable for popularization in the industry.

The invention discloses a system and a method for remotely monitoring the running state of an electric appliance. The system is provided with an electric appliance device with a main control unit and a wireless communication unit; a server carrying out bi-directional wireless communications with the electric appliance device and a terminal device, receiving the running parameters of the electric appliance device and outputting the running parameters to the terminal device according to the request of a terminal device; and the terminal device in bidirectional wireless connection with the server to transmit the request to the server and to receive the running parameters transmitted by the server concerning the electric appliance device. The main control unit of the electric appliance device obtains the running parameters of the electric appliance device and transits them to the server through the wireless communication unit. The server transmits the running parameters of the electric appliance device to the mobile terminal. According to the invention, it is possible to remotely monitor the running parameters of an electric appliance device. The monitoring is convenient, highly-efficient and brings good experience to the user.

The invention discloses a high-frequency high-power supply operation monitoring and controlling system for electric precipitation. The high-frequency high-power supply operation monitoring and controlling system comprises a low-voltage side parameter detection module, a high-voltage side parameter detection module, a temperature detection module, a communication module and a monitoring and controlling center, wherein the low-voltage side parameter detection module is used for detecting the operation parameters of an input power supply at the high frequency side; the high-voltage side parameter detection module is used for detecting the operation parameters secondarily output by a transformer; the temperature detection module is used for detecting the transformer oil temperature parameter of the power supply and the temperature parameter of an IGBT radiator; the communication module is used for sending the parameter data detected by the modules to the monitoring and controlling center; the monitoring and controlling center is used for displaying he detected parameter data in real time and storing the data on a storage module for calling. The system can be used for monitoring and controlling the operation parameters of the power supply in real time, so that the workers can conveniently know the operation conditions in time and clear the faults; meanwhile, the system is provided with the storage module which is convenient to call the history data, is used for judging the possible fault causes and has the effect of alarming automatically, so that the troubles and the labor are saved.

The invention discloses a reverse starting test method and device for a traction system. The method comprises the following steps that: S1, a test accompanying traction system and a to-be-tested traction system are connected with each other, so that the a reverse starting test system is constructed, the test accompanying traction system simulates the load of the to-be-tested traction system; S2, when a test is started, the reverse of the test accompanying traction system is controlled to be started, and the test accompanying traction system is controlled to operate according to control parameters calculated according to operation conditions required by the test; S3, when the test accompanying traction system operates under a specified operation working condition, the to-be-tested tractionsystem is started, a forward torque is applied onto the to-be-tested traction system, and the to-be-tested traction system and the test accompanying traction system are controlled to realize reverse twin trawling according to the torque direction of the test accompanying traction system, so that a vehicle reverse starting working condition can be simulated; and S4, the operation states of the to-be-tested traction system and the test accompanying traction system are monitored, a test result is judged. The method has the advantages of simple test operation, low implementation cost, high test reliability, good test performance and the like.

The invention discloses a flue gas repeated aeration desulfurization and denitrification system which comprises a tower body, a basic solution tank, a recycling tank, a smoke passage, a chimney, a monitoring device, an executive device, a computing control device and two aeration rooms, wherein each aeration room comprises an aeration tank and a spraying rack. The invention further discloses a fuzzy control method for the flue gas repeated aeration desulfurization and denitrification system. The fuzzy control method comprises the following steps: step 1, generating a fuzzy control model rule list; step 2, adjusting and controlling the liquid level height of alkali wastewater in the aeration tanks; step 3: adjusting and controlling the water flow of spraying passages. Through the utilization of the alkali wastewater to perform flue gas desulfurization and denitrification treatment, the cost of the flue gas desulfurization and denitrification in the prior art is reduced.

The invention provides an air conditioner monitoring system used for real-time monitoring of the running parameters of an air conditioner. The air conditioner monitoring system comprises a monitoringdevice and a user terminal; the monitoring device is electrically connected with the air conditioner and is in communication connection with the user terminal; and the monitoring device can collect the running parameter information of the air conditioner in real time and sending the information to the user terminal to be displayed. By means of the air conditioner monitoring system, the running parameter of the air conditioner can be monitored in real time, reasonableness of control of a main control program can be effectively evaluated in actual use of the air conditioner, and after-sale failure protection analysis is facilitated.

The invention discloses a movable automatic calibration system and method for a formation and capacity grading test power supply. The system comprises a monitoring module, a regulation and control module, an acquisition module and a parameter calibration module, wherein the monitoring module monitors the operating parameters of the formation and capacity grading test power supply in real time, theacquisition module is configured to collect relevant parameters of each channel of the formation and capacity grading test power supply, and the parameter calibration module is configured to re-adjust the calibration parameters of the formation and capacity grading test power supply according to the collected relevant parameters and to re-calibrate the formation and capacity grading test power supply through a formation and capacity grading client. The system can automatically recalibrate the formation and capacity grading test power supply according to the operating parameter information ofthe formation and capacity grading test power supply, thereby ensuring the accuracy and reliability of the formation and capacity grading test power supply.

The invention discloses a control device for a hydrogen-oxygen generator. The control device for the hydrogen-oxygen generator comprises a PLC, an electrolytic tank liquid level monitoring system, a gas accommodating chamber pressure monitoring system, a current regulating system, an alarm system, a remote monitoring system, a touch screen, a rectifying power controller and a rectifying inverter unit. A current value can be automatically set, a double monitoring is provided through a liquid level and air pressure, the hydrogen-oxygen generator cannot work normally or an accident is brought dueto the fault of the PLC is avoided, safety is high, and high efficiency is achieved.

The invention provides a railway wagon. A top cover detection device detects the opening or closing state of a top cover and outputs first detection information. A bottom door detection device detectsthe opening or closing state of a bottom door and outputs second detection information. A brake cylinder detection device detects the working state of a brake cylinder and outputs third detection information. A pressure detection device detects the pressure value in a train pipe or a brake cylinder pressure pipe and outputs the pressure value. An acceleration detection device collects a first acceleration value of the vehicle body vibrating in the first direction and outputs the first acceleration value, or collects a second acceleration value of a swing bolster vibrating in a second direction and outputs the second acceleration value. And a monitoring platform receives operation parameters (the operation parameters comprise the first detection information, the second detection information, the first acceleration value or the second acceleration value, the third detection information and the pressure value) through an information station subsystem, and determines the operation state of the railway wagon according to the operation parameters.

A functional accessory integration system of a new energy automobile comprises a support, a motor and a wheel system, wherein the motor and the wheel system are arranged on the support, the support isconnected with the automobile, and the wheel system comprises a plurality of belt pulleys, a plurality of guide wheels and at least one tensioning wheel, and is formed by connecting the belt pulleyswith the guide wheels and the tensioning wheels by a belt. Each belt pulley is connected with a functional accessory. The motor is connected with the wheel system through a drive belt pulley. A control unit is connected with the functional accessories, a pressure sensor and a temperature sensor through wires. The functional accessory integration system of the new energy automobile has the advantages that the structural design is reasonable, the occupied space is small, installation is convenient, energy is saved, consumption is low, the cost is low, and control is convenient.

The invention discloses a dual-fuel engine instrument. The dual-fuel engine instrument comprises an instrument shell; a PCB circuit board is installed in the instrument shell, and an instrument CPU isinstalled on the PCB circuit board; a display screen is installed on the instrument shell, and a wiring harness interface is installed on the surface of the rear portion of the instrument shell; andan installation bracket is installed on the outer surface of the instrument shell. The invention further discloses a control method for a dual-fuel engine. The engine is included, the dual-fuel engineinstrument is installed on the engine, the engine is electrically connected with an ECU, a rotation speed sensor, an engine oil pressure sensor, an engine oil temperature sensor, a water temperaturesensor, a fuel gas pressure sensor and a fuel gas injection valve of the engine are all electrically connected with the ECU, and the ECU is electrically connected with the instrument CPU through the wiring harness interface and a wiring harness; and the display screen can display characters such as 'diesel oil module' or 'dual-fuel module', and display corresponding engine operation parameters, accordingly, the operation parameters of the engine can be monitored in real time, and normal operation of the engine is ensured.

The invention provides an elevator monitoring system which comprises a signal collector, a central processing unit, an alarm device and a video monitor. The signal collector is connected with a configuration box of an elevator and used for collecting parameter values of the configuration box. The central processing unit carries out comparative analysis on the collected parameter values and preset elevator state reference values to judge whether the current work state of the elevator is normal or not. If the current work state of the elevator is not normal, a starting instruction is sent to the alarm device, camera equipment is called to carry out display through a video displayer, the alarm device gives a voice alarm according to the starting instruction, and the video displayer displays a monitoring area of the camera equipment. According to the elevator monitoring system, elevator operating parameters can be monitored in real time, whether the current work state of the elevator is normal or not is judged automatically, an alarm is given in time, the problem that manual detection and maintenance are not in time is solved, and elevator accidents are effectively avoided.

The invention relates to an intelligent surge prevention device of a superspeed centrifugal fan. The intelligent surge prevention device comprises a fan running state monitoring system, a fan measuring and controlling system, a compound vent valve and a frequency converter. The fan running state monitoring system monitors the air pressure, air volume, bearing vibration, motor current and other parameters, screens the fan running state fed back by the fan measuring and controlling system in real time, and automatically takes surge withdrawal measures. The compound vent valve is a multifunctional vent valve integrating an electric control valve and a mechanical pressure release valve. The frequency converter controls a motor to adjust the running revolutions per minute in real time. By meansof the intelligent surge prevention device, the active surge prevention in the early period of surge of the fan and timely surge withdrawal during surge can be ensured, and the damage of surge to thesuperspeed centrifugal fan is avoided.

The invention discloses a pump pipe valve system with an intelligent remote monitoring, early warning and control terminal and is applied to long-distance water transfer, municipal water supply, powerstations, reservoirs, channel dams and other water conservancy projects. The functional system is formed by pumps, pipes and valves based on pipelines, a crucial role is played in a pipeline system,operation safety of the system and the health of equipment directly determine operation of a pump pipe valve system and function realization of pipeline water transmission and distribution, an intelligent remote monitoring early warning and control terminal is applied, by combining a new generation of information technology, an automatic control technology, a hydrodynamic model simulation analysistechnology, a pump pipe valve equipment process and the like, operation parameter acquisition, analysis, control and transmission of the pump pipe valve system are achieved, purposes of safe operation of the pump pipe valve system and healthy management of equipment are achieved, and safe operation of hydraulic engineering is guaranteed.

The invention discloses a container data center cooling system and an operation strategy thereof, and belongs to the technical field of energy conservation. The system comprises a box body inner water cooling circulation module, a fresh air natural cooling module, a hot water tank, a sky radiation refrigeration module, a water side natural cooling module, a cold water tank, a steam compression refrigeration module, a water storage tank, a first electromagnetic three-way valve, a second electromagnetic three-way valve, a first three-way connector and a second three-way connector. According to the container data center cooling system, the sky radiation refrigeration technology is combined into the container data center cooling system, the coupling condition of multiple cold sources is considered, scientific integrated optimization design is conducted on wide-area all-weather application of the container data center cooling system, and the temperature sensors, the flow meters, the valves and the bypass pipelines are additionally arranged, so the operation conditions are monitored in real time, cooling modes are flexibly switched according to internal and external parameters of the system, natural cold sources are fully utilized, refrigeration energy consumption is reduced, and energy and economic benefits are improved. Meanwhile, flexible movement and rapid construction and installation capability of the container data center are ensured.

The invention provides an intelligent maintenance system for a ship unloader. The intelligent maintenance system for the ship unloader comprises a complete unloader state monitoring module and a maintenance management module, wherein the complete unloader state monitoring module is used for monitoring the operating parameters and the control commands of the ship unloader, and the maintenance management module is used for recording, updating and monitoring the maintenance data of motors, transmission cabinets, inversion cabinets, high-voltage cabinets, transformers, cable reels, complete lubricating devices, steel wire ropes, bearings, carrier rollers and / or pulleys of the ship unloader. According to the intelligent maintenance system for the ship unloader, all the operating parameters of the ship unloader can be monitored in real time, the daily maintenance data of the ship unloader can be managed scientifically, maintenance work of the ship unloader can be standardized easily, the service efficiency of the ship unloader is improved, the service life of the ship unloader is prolonged, and the overall cost of wharf loading and unloading operation is reduced.

The invention discloses a power transformation frequency converter. The invention discloses a power transformation frequency converter. The converter comprises a wire inlet chamber which comprises a plurality of wiring chambers and is used for being in butt joint with a cable so as to receive and output a plurality of paths of three-phase alternating currents with different voltage values; a rectifying unit which is used for converting the three-phase alternating currents output from the wire inlet chamber into direct currents; an inversion unit which is used for converting the direct currentsoutput by the rectifying unit into alternating currents of which the frequency is different from that of the three-phase alternating currents received by the wire inlet chamber, and a control unit which is used for controlling the inversion unit to output the alternating currents of different frequencies. According to the power transformation frequency converter, two sets of cable input systems with different voltages are arranged, so that the power transformation frequency converter can meet the use of double power supplies, and the application range of the power transformation frequency converter is expanded. In addition, the power transformation frequency converter also adopts an integrated skid-mounted structure, so that the equipment is convenient to install, move and maintain.

The invention discloses a monitoring system and a monitoring method for a wind power boosting rotor. The monitoring system for the wind power boosting rotor comprises a controller, acceleration sensors, a strain gauge, a laser range finder and an alarm module, the plurality of groups of acceleration sensors are used for detecting the vibration speed and the vibration acceleration of the base; thecontroller is used for driving the alarm module to give a primary alarm when the vibration speed exceeds a first speed threshold value and / or the vibration acceleration exceeds a first acceleration threshold value; the strain gauge is used for detecting deformation data of an outer cylinder; the controller is used for driving the alarm module to give a first-level alarm when the deformation data exceeds a first deformation threshold value; the laser range finder is used for detecting the eccentricity of the outer cylinder; and the controller is used for driving the alarm module to give a first-level alarm when the eccentricity exceeds a first eccentricity threshold value. According to the technical scheme, the running state of the wind power boosting rotor is monitored, and safe running ofthe wind power boosting rotor is guaranteed.

The embodiment of the invention provides a communication equipment operation parameter monitoring method and device. The method is applied to an articulated naturality web. The articulated naturalityweb comprises an articulated naturality web server, articulated naturality web communication equipment and an articulated naturality web network management platform. The method comprises the followingsteps: the articulated naturality web communication equipment collecting own equipment operation parameters; the articulated naturality web communication equipment uploading the equipment operation parameters to an articulated naturality web server; and the articulated naturality web server uploading the equipment operation parameters to an articulated naturality web network management platform.In the embodiment of the invention, the equipment operation parameters are acquired through the articulated naturality web communication equipment, the equipment operation parameters are uploaded to the articulated naturality web server, and the articulated naturality web server uploads the received equipment operation parameters to the articulated naturality web network management platform, so that the operation parameters of the articulated naturality web communication equipment can be monitored in real time through the articulated naturality web network management platform.

The invention discloses an intelligent high-low voltage pre-installed outdoor transformer station. A top cover of a box body is of a sloping roof structure with an eave, and the interior of the box body is divided into an upper space, a central space and a lower space, wherein the upper space, the central space and the lower space are communicated with each other. A high-voltage power distribution chamber, a transformer chamber and a low-voltage power distribution chamber of the central space are respectively used for installing a low-voltage power distribution device, a transformer and a high-voltage power distribution device. A monitoring device and the wireless connection device are installed in the upper space, and the upper space is provided with a water pump and a water immersing sensor. A water pumping pipe of the water pump and a probe of the water immersing sensor respectively stretch into the lower space, and the water pump and the water immersing sensor are connected with the monitoring device. The transformer station provided by the invention can meet the demands of outdoor installation and application under varied weather conditions, is good in heat dissipation, is resistant to moisture and water, can monitor the operation parameters of the transformer station in real time through a client, and achieves the intelligent monitoring.

The invention provides a data analyzing system of electric power devices. The data analyzing system includes a plurality of electric power devices which are connected to a measurement and control apparatus. The measurement and control apparatus is connected to a monitoring platform. The measurement and control apparatus real-time monitors operation parameters of the electric power devices and transmits the operation parameters to the monitoring platform. The measurement and control apparatus is connected to a client. The monitoring platform analyzes the operation parameters of the electric power devices transmitted by the measurement and control apparatus, and outputs an analysis result. According to the invention, the system can monitor operation parameters of the electric power devices, conduct real-time analysis, and avoids accidental faults occurred to the electric power devices.

The invention discloses a children medical pump monitoring system. The children medical pump monitoring system comprises a medical pump, a medical pump operation state detection module, a first alarm module, a power supply module, a medical pump monitoring center server, a medical worker mobile terminal and a power supply electric power management module; the medical pump operation state detection module is used for collecting operation parameters when the medical pump infuses a liquid medicine; and the medical pump monitoring center server sends the received operation parameters to a medical worker mobile terminal, meanwhile, analyzes and processes the received operation parameters, and sends an alarm instruction to the medical pump when the operation parameters are abnormal. The children medical pump monitoring system can realize real-time monitoring of the operation parameters in the use process of the child medical pump, and when the infusion speed of the medical pump is abnormal, the infusion speed of the medical pump can be automatically adjusted to be consistent with preset infusion speed judgment data of the medical pump in the storage module, so that the infusion efficiency and the use safety of the medical pump are improved, and meanwhile, whether power is supplied normally to the medical pump or not is monitored in real time, thus avoiding hurt to a patient due to power failure of the medical pump.

The invention discloses a central air conditioning water system debugging method, a fault diagnosis method and an operation optimization method. A calculation method for constructing an association matrix and a basic loop matrix is adopted according to a fluid network analysis theory, water flow is designed through a balance valve branch of the central air conditioning water system, and an openingdegree value of the balance valve branch of the central air conditioning water system is calculated; and hydraulic balance debugging is carried out according to the calculated opening degree value, and meanwhile, the fault diagnosis and operation optimization are realized according to the contrastive analysis of data value monitored by a monitoring platform in real time and a set normal operationtarget value. The method has the advantages that a scientific basis is provided to the debugging of the central air conditioning water system, the hydraulic debugging efficiency is improved, meanwhile the fault diagnosis and the operation optimization of the water system are achieved, and safe and efficient operation of the system is guaranteed.

The invention discloses a kilowatt-scale fuel cell / lithium-ion cell hybrid power device and an energy management method thereof. The device comprises a fuel cell power supply loop, a lithium-ion cell power supply loop, a fuel cell power control unit and a lithium-ion cell power control unit. Compared with the prior art, according to the kilowatt-scale fuel cell / lithium-ion cell hybrid power device and the energy management method thereof provided by the invention, an energy management is carried out on the fuel cell and the lithium-ion cell when reliable power supply on a load is ensured; the service lifetime of the two cells is prolonged; and the security coefficients of the two cells are improved.