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38results about How to "Run real-time monitoring" patented technology

Wireless and remote monitoring and networking system and method for motor state

The invention discloses a wireless and remote monitoring and networking system and a method for a motor state. The system comprises a sensor for monitoring the running state of a motor, a wireless and remote monitoring and networking device for the motor state, a motor producer applying server, a motor producer data server, a motor user server and a cell phone client. The system allows a motor producer and a motor user to jointly have access to the running parameters of a motor in real time; the motor producer can directly take part in fault diagnosing, therefore, more accurately judge the faulty state of the motor and finding out the source of failure. Further, a motor fault diagnosing knowledge base in accordance to the full life cycle of the motor is established to provide evidence for a motor producer to solve the problems of the motor and further optimize the motor. With such a system, relevant technicians can know about the abnormal running state of the motor in time, and do routine maintenance and repair to the motor with purpose to prevent accidents in motor and to ensure the normal running of the motor. Further, the system is capable of monitoring the running of a motor distantly in real time.
Owner:CHINA UNIV OF MINING & TECH

Macro-axis submerged high-temperature molten salt pump comprehensive test detection device

The invention relates to a comprehensive test and detection device for a long-axis submerged high-temperature molten salt pump, which includes a test pump and a molten salt tank. The test pump is located in the molten salt tank, and a circuit pipe inlet is opened on the molten salt tank. The output port of the test pump is connected with the inlet of the circuit pipe through a circuit pipe; a pressure gauge, a flow meter, a check valve, a flow regulating valve and a maintenance valve are installed on the circuit pipe; Installed with pressure gauge and liquid level gauge. The invention realizes the test under high temperature conditions, and combines the pump test device with the valve test device, saves the space occupied by the device and the energy consumption of operation, unifies the test conditions of molten salt pumps and valves with the working conditions, and provides accurate pump and valve performance under multi-high temperature conditions. evaluation of. Set up monitoring sensors at key parts to monitor the operation stability of the test device and the equipment under test, and combine the performance evaluation results to evaluate the operation stability of the test object and ensure the safe operation of the test equipment.
Owner:JIANGSU UNIV +1

Remote monitoring garbage station equipment based on internet of things and transfer vehicle dispatching method

The invention relates to remote monitoring garbage station equipment based on an internet of things and a transfer vehicle dispatching method. The method is to build a monitoring and dispatching control center of equipment and transfer vehicles by an environmental sanitation department; a control system is built; a computer is allocated as a manager of the control system; an internet of things server is built, and is wirelessly communicated with all garbage compression transfer stations and vehicles; each garbage station sends self-inspected information and full-loaded garbage collection information to the computer by the server; the computer processes the received information; for the equipment required to be repaired, a repair instruction is sent to an equipment repair transponder; for the vehicles fully loaded with garbage, a transfer instruction is sent to a vehicle transponder; equipment maintainers perform the repair instruction; vehicle drivers select active answering after receiving the instruction; and if the transfer instruction is sent and no vehicle answers within stated time, the computer actively dispatches the proper vehicle to transfer the garbage according to information of a GPS orientator. The method is simple and standard in operation.
Owner:HUBEI JINGGONG SCI & TECH

Intelligent monitoring water purifying machine applicable to hospital disinfecting and supply center

The invention discloses an intelligent monitoring water purifying machine applicable to a hospital disinfecting and supply center. A running water inlet is connected with a water hammer arrestor; the water hammer arrestor is connected with a composite-filter core filtering device; the composite-filter core filtering device is connected with a booster pump; the booster pump is connected with a water inlet of a RO membrane filtration device; a clean water outlet of the RO membrane filtration device is connected with a clean water pipeline; a concentrated water outlet of the RO membrane filtration device is connected with a concentrated water pipeline; a water quality sensor and a tee joint are sequentially arranged on the clean water pipeline; one end of the tee joint is connected with a water outlet; the other end of the tee joint is connected with a pressure water storage tank; a cleaning pipe is connected onto a pipeline between the tee joint and the pressure water storage tank, and connected with a cleaning air pump. Through the adoption of the intelligent monitoring water purifying machine, the water purifying efficiency and the water purifying quality are improved, so that the intelligent monitoring water purifying machine is worthy of large-scale popularization and application.
Owner:上海荷福人工智能科技(集团)有限公司

Device for online monitoring running state of transformer substation grounding grid

The invention discloses a device for online monitoring a running state of a transformer substation grounding grid. The device comprises a CPU (Central Processing Unit), a power supply module, an oscillator and a power amplifier, wherein an output end of the power amplifier is connected with an electricity taking device, the electricity taking device is connected to a grounding down lead, the electricity taking device is connected with the CPU through an A / D (Analog / Digital) converter, a measuring coil is connected between the electricity taking device and the A / D converter, an output end of the CPU is connected with a remote substation server through a communication module, circuit on resistance of the grounding down lead can be detected through the measuring coil and the electricity taking device and can be transmitted to the remote substation server through the communication module, and safety evaluation of the state of a grounding grid can be obtained. According to the device disclosed by the invention, the state of the transformer substation grounding grid can be subjected to online remote monitoring through the remote substation server; direct guidance can be provided for the running maintenance of the transformer substation grounding grid according to a monitoring evaluation result; the device has no negative effects on an original device of an electric power system.
Owner:STATE GRID CORP OF CHINA +1

Terminal operation parameter monitoring system and method

InactiveCN106325180ARun real-time monitoringRun the real-time monitoring terminal system to see if it is running normallyProgramme controlComputer controlTerminal equipmentMonitoring system
The present invention provides a terminal operation parameter monitoring system which monitors the operation parameter of at least one terminal device which is in communication connection with a central server. The system is characterized in that the system comprises an operation parameter acquisition unit which is in the terminal device and collects operation parameters, a threshold setting and storing unit which set and stores the threshold range of normal operation parameters, an alarm judgment unit which judges whether the collected operation parameters exceed the threshold range or not and emits an alarm if so. Therefore, through collecting the operation parameters of the terminal device, through collecting and analyzing the data, whether the terminal system is in a normal operation can be monitored in real time.
Owner:SHANGHAI HIGH DEFINITION DIGITAL TECH IND

Vibration and impact pulse composite sensor

The invention discloses a vibration and impact pulse composite sensor comprising a shell (1), a bolt (2) arranged at one end of the shell (1), a plug (3) arranged at the other end of the shell (1), aninsulating bracket (4) arranged in the shell (1), piezoelectric ceramic (5) fixed on the insulating bracket (4), and a resonance mass block (6) with one end fixedly connected with the piezoelectric ceramic (5), a circuit board support (7) arranged at the other end of the resonance mass block (6), a filtering circuit board (8) arranged on the circuit board support (7), a sealing body (9) connectedwith the filtering circuit board (8), and a metal closed shell shielding cover (10) arranged on the periphery of the piezoelectric ceramic (5), the resonance mass block (6), the circuit board support(7) and the filtering circuit board (8). The vibration and impact pulse composite sensor provided by the invention can detect vibration signals and impact pulse signals of industrial mechanical equipment at the same time.
Owner:中嵌科技(北京)有限公司

Intelligent zipper and processing device thereof

The invention discloses an intelligent zipper. The intelligent zipper comprises a zipper body, wherein the zipper body is provided with a zipper head and a pull-tab, the zipper head is provided with a meshing opening and a guiding opening, and the pull-tab is arranged on the upper end of the zipper head and is in clearance fit with the zipper head. The intelligent zipper is characterized in that the pull-tab is connected with a pull ring, a PCBA board is arranged in the pull ring, a chip into which terminal client information can be implanted is built in the PCBA board, and the chip is provided with a GSM / GPRS module with a positioning function. According to the intelligent zipper, the latest single chip MT6260 is adopted, the quadruple-frequency universal subminiature GSM / GPRS module with low power consumption and the positioning function is developed and implanted into the chip of the zipper, and then the terminal client information according to the zipper selling is implanted into the chip, and the intelligent zipper has the functions of remote prevention of burglary, and position monitoring, and can be widely applied to the fields including the smart home, the medical terminal, the security industry, the mobile communication transmission, the remote monitoring, the personal positioning and checking attendance, personnel management, terminal data transmission and the like.
Owner:王丽华

Direct and indirect compensation-type tire pressure monitoring system

The invention discloses a direct and indirect compensation-type tire pressure monitoring system which comprises a wheel speed sensor, a transmitting module and a car-mounted BCM. The car-mounted BCM is connected with the wheel speed sensor and the transmitting module, and the transmitting module converts tire pressure and temperature information into high-frequency signals and transmits the high-frequency signals to the car-mounted BCM. According to the direct and indirect compensation-type tire pressure monitoring system, a single high-frequency signal direct-type transmitting mode and indirect-type tire speed measuring are adopted to calculate the tire pressure condition, and the wheel speed sensor, the transmitting module and the car-mounted BCM are connected into the compensation-typesystem jointly. The direct and indirect compensation-type tire pressure monitoring system has the advantages that (1) signal transmitting is more stable, and through compensation, real-time transmitting is conducted to achieve real-time monitoring during car operation; (2) power consumption is greatly reduced, and the service life of the sensor is prolonged; and (3) the misinformation condition isavoided from direct-transmitting to indirect-type compensation.
Owner:苏州峻基汽车电器有限公司

Side-sway rotary stereoscopic parking space

The invention discloses a side-sway rotary stereoscopic parking space which is a novel stereoscopic parking space. The side-sway rotary stereoscopic parking space achieves no-avoiding parking. According to the side-sway rotary stereoscopic parking space, the design that a rhombus structure and a triangle structure are organically integrated is adopted for an upper layer, rising and horizontal moving are conducted synchronously, and meanwhile, a safe device is seamlessly integrated in the operation process to ensure operation safety; a lower layer adopts a rotary out-garage method, thereby being simple, effective, safe and reliable; and meanwhile, the parking space can be reasonably arranged by adopting different permutation and combination methods according to installation sites and has no special requirements for parking sites. The parking space is built on stilts by using steel structures, and thus the parking space can be built in places such as grassland, flower beds, green belts and roads; when the parking space is dismantled, original appearances are basically recovered; and the parking space is specially suitable for places, such as residential areas and roads, where no parking space is available or parking spaces are insufficient, for places where people do not willing to solve parking problems at the cost of scarifying green belts, for open-parking grounds where parking spaces can be doubled or even more under the limited space condition and for volume expansion of underground garage. The side-sway rotary stereoscopic parking space is a good supplement for solving parking problems.
Owner:周建新

An early warning platform and an early warning method

The invention discloses an early warning platform and an early warning method, An Early Warning Platform, include an alert item setting module, Alert Item Query Module, Alert Result Query Module, An operation monitoring module of the early warning platform and a log management module of the early warning platform, The early warning item setting module establishes various early warning items according to requirements, The early warning result query module views the early warning information of the user or the department according to the classification of the early warning items. The early warning platform operation monitoring module provides the system administrator with visual operation status. During the operation of the early warning platform, any program abnormality occurs in the earlywarning platform log management module, which is recorded in the log. An early warning method comprises the following steps: establishing an early warning item, automatically analyzing data, pushing early warning information, feeding back processing results, verifying by a supervision department and further optimizing management; The invention improves the management and control ability of the abnormal service and improves the timeliness of the service processing.
Owner:HUAINAN MINING IND GRP

Elevator sill detection method

The invention discloses an elevator sill detection method. The method comprises the following steps: S1, carrying out data collection, wherein an elevator door image is analyzed from a video image; S2, carrying out data preprocessing and establishment of a sill detection model, wherein the elevator door image is preprocessed, and a sill in the elevator door image is marked and is input into a neural network for training to obtain a trained sill detection model; S3, carrying out network model detection, wherein the sill detection model is input into a control center module, and when a camera obtains a new video image, the sill detection model is used for predicting the opening and closing state of an elevator door in real time; and S4, judging whether the state of the elevator door is normal or not according to the prediction result, and giving out an alarm when abnormity occurs. By establishing the sill detection model, predicting the coordinate information of the elevator sill in real time and calculating the elevator operation parameters, the state of the elevator door is monitored in real time, problems can be found in time, and the elevator safety is improved.
Owner:WECO OPTOELECTRONICS

Converter valve on-line monitoring device

A converter valve on-line monitoring device provided by the present invention comprises a control chip, and a monitoring circuit, a communication return circuit and a trigger circuit which are connected with the control chip, the monitoring circuit is used for monitoring the operation state of a target converter valve and sending the operation state to the control chip; the control chip is used for performing logical operation on the running state, sending the running state after logical operation to the valve-based electronic equipment through the communication return circuit, receiving a control instruction sent by the valve-based electronic equipment through the communication return circuit, generating a corresponding control signal according to the control instruction, and sending the control signal to the trigger circuit; and the trigger circuit is used for controlling the target converter valve to act according to the control signal. The monitoring circuit monitors the operation state of the target converter valve and sends the operation state to the valve base electronic equipment, so that an operator can monitor the operation state of the extra-high voltage converter valve in real time and position a fault point in time, and the operation of the extra-high voltage converter station is more intelligent.
Owner:GLOBAL ENERGY INTERCONNECTION RES INST CO LTD +1

A wireless remote monitoring and interconnection system and method for motor status

The invention discloses a wireless and remote monitoring and networking system and a method for a motor state. The system comprises a sensor for monitoring the running state of a motor, a wireless and remote monitoring and networking device for the motor state, a motor producer applying server, a motor producer data server, a motor user server and a cell phone client. The system allows a motor producer and a motor user to jointly have access to the running parameters of a motor in real time; the motor producer can directly take part in fault diagnosing, therefore, more accurately judge the faulty state of the motor and finding out the source of failure. Further, a motor fault diagnosing knowledge base in accordance to the full life cycle of the motor is established to provide evidence for a motor producer to solve the problems of the motor and further optimize the motor. With such a system, relevant technicians can know about the abnormal running state of the motor in time, and do routine maintenance and repair to the motor with purpose to prevent accidents in motor and to ensure the normal running of the motor. Further, the system is capable of monitoring the running of a motor distantly in real time.
Owner:CHINA UNIV OF MINING & TECH

Environment-friendly waste paper crushing device

The invention discloses an environment-friendly waste paper crushing device which comprises a cavity. A feeding bin with an outward opening is arranged above the cavity, and a crushing mechanism is arranged in the cavity. The environment-friendly waste paper crushing device can be used for assembling blades with different numbers and intervals according to waste paper with different material specifications and different processing requirements; by arranging belt wheels with different sizes on a driving shaft, the driving shaft and a driven shaft can obtain different rotating speeds, and accordingly crushing results meeting requirements can be obtained for different kinds of waste paper treatment. In addition, a fan with the adjustable position is arranged between a discharge net and a discharge plate, so that paper sheets can be effectively prevented from being accumulated on the discharge plate, and the effective operation of the crushing device is ensured; due to the fact that an observation window is arranged on the cavity, the operation of the crushing device can be monitored in real time, and relevant conditions can be processed in time; and rollers are arranged below the cavity, so that the crushing device is convenient to move and place, and the use convenience is improved.
Owner:李郅恺

Background program management system

The invention discloses a background program management system. The background program management system comprises a main processor module, a program running module, a background program monitoring module and a memory management module. The program running module, the background program monitoring module and the memory management module are connected with the main processor module respectively. The main processor module comprises authority management and classified processing; the program running module comprises a running monitoring system, an interface switching system, a background conversion system and a program management system, and the running monitoring system, the interface switching system, the background conversion system and the program management system are installed in the program running module; the background monitoring module comprises a temperature control device, an interface control system, a protection system and an alarming system; the memory management module comprises an occupation detecting system and a limiting start system. When the background program management system runs, the running of programs and the loading on the system can be monitored in real time, when the system reaches a certain temperature, running programs except main programs are closed, so that a protective effect on a mobile phone is achieved, and the fluency and safety of the system in use are ensured.
Owner:TAICANG HONG CE TUODA SCI & TECH COUSULTING CO LTD

Computer background management system

The invention discloses a computer background management system, which comprises a main processor module, a program running module, a background monitoring module and a memory management module, and the program running module, the background monitoring module and the memory management module are all connected with the main processor module, and the main The processor module includes authority management and hierarchical processing. The program operation module includes operation monitoring, interface switching, background conversion and program management. Operation monitoring, interface switching, background conversion and program management are all installed in the program operation module. The background monitoring module includes temperature Control device, interface control, protection system and alarm system. The memory management module includes occupancy detection and limit start. This background program management system can monitor the operation of the program and the load on the system in real time during operation. The running programs other than the main program protect the mobile phone and ensure the fluency and safety of the system during use.
Owner:苏州千阙传媒有限公司

Vehicle heat pump air conditioner with pressure sensors

The invention discloses a vehicle heat pump air conditioner with pressure sensors. The vehicle heat pump air conditioner comprises an air supplementation compressor. The air supplementation compressor is connected with a vehicle exterior heat exchanger by a four-way valve, the vehicle exterior heat exchanger is connected with a plate heat exchanger by check valves, the other end of the plate heat exchanger is connected with a main-way electronic valve, the other end of the main-way electronic valve is connected with check valves, the corresponding check valve is connected with a vehicle interior heat exchanger, and the vehicle interior heat exchanger is connected with the air supplementation compressor by the four-way valve; a group of pressure sensors and temperature sensors matched with the pressure sensors are arranged at an exhaust opening and an air inlet of the air supplementation compressor respectively. Compared with the prior art, the vehicle heat pump air conditioner has the advantages that the pressure sensors and the temperature sensors are matched with one another, accordingly, the air inlet and exhaust temperatures of the air supplementation compressor can be monitored, the refrigerant circulation volumes can be controlled according to monitoring results, and the vehicle heat pump air conditioner can reliably and stably run in high-temperature or alpine regions; the pressures of systems further can be monitored by the pressure sensors in real time, conditions that whether refrigerants of the systems leak or not, whether the systems are blocked or not and the like can be judged, and accordingly normal running of the systems can be guaranteed.
Owner:ZHENGZHOU KELIN VEHICLE AIR CONDITIONING

A Wind Tunnel Static Vane Adjustable Axial Flow Compressor Anti-surge System Using Interpolation Operation

The invention discloses a wind tunnel stationary blade adjustable axial flow compressor surge preventing system capable of adopting interpolation operation. The wind tunnel stationary blade adjustableaxial flow compressor surge preventing system comprises a central controller, a surge preventing control unit, a stationary blade adjusting mechanism, a monitoring unit and a rotation speed control unit. The system is characterized in that surge line data of which angles are not measured is acquired according to surge line data of which stationary blade angles are measured through interpolation operation, surge preventing warning lines are set, and a unit is allowed to operate when the stationary blade angles of the surge line data are not actually measured; the stable operation angle range of the unit is greatly expanded under the preconditions that debugging work and cost are not increased; and the operation working condition of the axial flow compressor is monitored in real time, the surge preventing warning lines are automatically switched, the surge preventing warning lines are subjected to temperature correction according to the operation working condition of the unit, and the unit stably operates in the surge preventing warning lines. The wind tunnel stationary blade adjustable axial flow compressor surge preventing system adopting interpolation operation can be further applied to other industrial occasions of which the stationary blade angles frequently change.
Owner:AVIC SHENYANG AERODYNAMICS RES INST

Wound-rotor brushless doubly-fed motor control device and control method

The invention discloses a wound-rotor brushless doubly-fed motor control device and control method. The wound rotor brushless doubly-fed motor control method comprises: a power supply of a control device is switched on and a control device is ready; after the control device is ready, parameters are set on a human-machine interface; a startup operation is executed; a power winding power supply is switched on; a control module in a control device executes a vector adaptive control algorithm according to a detected motor signal; the control module drives a converter module to realize output on a control winding; after the control device controls the motor to achieve natural synchronous speed, a non-impact starting process is finished; after the starting is finished, the control device controls the motor to operate with accelerated speed or reduced speed according to a set frequency and a set torque parameter; and when the control device is failed, the control device quits working and a short circuit loop on a control winding side is switched on.
Owner:北京国电四维清洁能源技术有限公司

A ship energy-saving power generation equipment

The invention proposes a ship energy-saving power generation equipment, which includes a power generation unit, a wind power unit located above the power generation unit, and a water power unit located below the power generation unit. The power generation unit includes an outer rotor, an inner rotor and a collector ring, and the upper part of the outer rotor is connected to the wind power unit. The wind power transmission shaft is connected to the bellows through the first wind power fixed bearing and the second wind power fixed bearing. The wind power transmission shaft is equipped with evenly distributed wind blades, and the upper part of the wind power transmission shaft is also equipped with a monitoring device for the direction of rotation and speed of the wind power transmission shaft. The wind speed sensor, the outer side of the bellows is provided with a plurality of air inlets and outlets for wind in and out, the air collectors are provided with a rotating shaft to control the rotation of the windshield, and the rotating shaft is connected to the control motor; the rotating shaft and the windshield designed in the present invention realize the wind direction and wind power transmission The speed control avoids the problem of the outer rotor and the inner rotor rotating in the same direction, making the equipment more stable and efficient; the designed expander controls the inner rotor to move up and down in the outer rotor and enables the water tank to enter the water and leave the water surface.
Owner:BINZHOU POLYTECHNIC

Monitoring and evaluation system and monitoring and evaluation method for the operation of central air-conditioning and refrigeration room

The invention relates to a system and method for monitoring and evaluating operation of a concentrated air conditioner refrigerating station. The system for monitoring and evaluating operation of the concentrated air conditioner refrigerating station is formed by connection of an input module, a measuring module, a processing module, a storage module and an evaluation module, wherein the input module is provided with a touch type signal input end and a touch type signal output end; the output end is connected with an I / O port I of the processing module and a data I / O port I of the storage module; the measuring module is provided with a temperature measuring unit, an air temperature and humidity measuring unit, a flow measuring unit and an electric quantity measuring unit; the signal output end of the measuring module is connected with an I / O port II of the processing module and an I / O port II of the storage module; an I / O port of the evaluation module is connected with an I / O port III of the processing module; the data input end of the evaluation module is connected with the data output end of the storage module. The system and the method can be used for optimizing the utilization of the operation efficiency of the concentrated air conditioner refrigerating station; the energy-saving effect can be realized.
Owner:广州市设计院集团有限公司

Engineering chassis concrete sprayer

The invention discloses an engineering chassis concrete sprayer. The engineering chassis concrete sprayer structurally comprises a base, wheels, an electric control cabinet, a fault warning device, a feeding hopper, a storage tank, a conveying pipe and a discharging outlet. The overall base is of a cuboid structure. The fault warning device is arranged at the top of the electric control cabinet. According to the engineering chassis concrete sprayer, the fault warning device is arranged, thus, the operation state can be inducted through a fault sensor, a processor processes the inducted information and then cooperates with a warning lamp and a buzzer to remind an operator so that operation of the engineering chassis concrete sprayer can be monitored in real time, when a line fault or other operation faults occur to the sprayer, the operator can be reminded in time to process the fault, the situation that harm is brought to the operator during working is avoided, the safety in the working process is effectively improved, and the reliability is improved.
Owner:GUANGZHOU SONGBIN ENG TECH CO LTD

High-frequency loop tire pressure monitoring system based on speed sensor

The invention discloses a high-frequency loop tire pressure monitoring system based on a speed sensor. The high-frequency loop tire pressure monitoring system based on the speed sensor comprises the wheel speed sensor, an emitting module and a vehicle-mounted BCM; the vehicle-mounted BCM is connected with the wheel speed sensor and the emitting module; the emitting module converts the tire pressure and the temperature information into a high-frequency signal and transmits the high-frequency signal to the vehicle-mounted BCM; the vehicle-mounted BCM receives the high-frequency signal from the emitting module and then sends a feedback signal to the emitting module; the wheel speed sensor collects the tire data forwards, after the data are processed by the BCM, the tire pressure value is figured out, and forward transmission of the feedback signal is conducted. The tire pressure emitting module and the vehicle-mounted BCM are connected jointly to form a feedback loop system through the high-frequency signal and the vehicle-mounted speed sensor. The high-frequency loop tire pressure monitoring system based on the speed sensor has the advantages that 1, signal transmission is more stable, real-time emitting is conducted through a feedback loop, and real-time monitoring during traveling of a vehicle is achieved; 2, the power consumption is greatly reduced and the service life of thesensor is prolonged; and 3, the vehicle-mounted BCM is used for receiving, and the quantity of complex wires and parts on the vehicle is reduced.
Owner:苏州峻基汽车电器有限公司

Frequency conversion speed control system based on computer control

The invention discloses a frequency conversion speed control system based on computer control. The frequency conversion speed control system is in wireless data communication with an upper computer and is characterized by comprising a rectifier connected with a power supply, wherein the rectifier is connected with a power drive circuit; the output end of the power drive circuit is connected with a central control circuit and an inverter; the inverter is connected with a motor; the central control circuit is in wireless data communication with the upper computer and comprises a wireless communication module, a voltage detection circuit and a current detection circuit. The rectifier is a bridge rectifier and has the model number of DF005S. The frequency conversion speed control system based on computer control, disclosed by the invention, is in data communication with the computer, so that the system can be applied to electrical equipment requiring speed control such as an electric car, and the computer can be used for monitoring the operation of the motor in real time.
Owner:DALIAN SHENGRONGXIANG SCI & TECH

An ultra-low emission intelligent environmental protection island system for coal-fired power plants

The invention discloses an ultra-low emission intelligent environmental protection island system for a coal-fired power plant. The system includes a data collection unit, a data transmission unit, a data storage unit, a data processing unit and a visual monitoring system, wherein the data collection unit includes a unit operation state detector and a CEMS detector, the data transmission unit includes multiple wireless modules for transmission of acquisition data, the wireless modules are in communication connection with the unit operation state detector and the CEMS detector, the data storageunit is disposed in a memory of a computer terminal, the data acquisition module is in communication connection with the computer terminal, historical data in the data storage unit is modeled by the processing unit and is then transmitted to the visual monitoring system, and the data is visually displayed by the visual monitoring system. The system is advantaged in that low-cost and high-yield operation of an ultra-low emission intelligent environmental protection island is realized without increasing hardware facilities, real-time monitoring is realized, and stable and reliable operation of the system are guaranteed.
Owner:ZHEJIANG HOPE ENVIRONMENTAL PROTECTION ENG

DC field device control system and method

The invention provides a DC field device control system and method. That scheme comprises: a DC station control device obtains a position state of a primary device and an operation state of a DC protection device, and sends a control command to the primary device. A workstation monitors the position state of the primary device and the operation state of the DC protection device. The primary deviceadjusts the position state according to the control command. In the case of line failure, the DC protection device regulates each pole circuit breaker on the DC bus. Based on this scheme, the workstation can monitor the operation state of the DC field device in real time, so as to obtain the failure position. The operation of the DC field device can be quickly regulated based on the DC station control device and the DC protection device, and the failure can be solved in time or eliminated in advance, the damage of the DC field device is avoided and the working efficiency and the economic benefit of the converter station are greatly improved.
Owner:STATE GRID CORP OF CHINA +1
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