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42results about How to "Realize data monitoring" patented technology

IMES intelligent manufacturing execution system

PendingCN107831750ASolve the problem of missing ringsResolving conflicts in using different information systemsTotal factory controlProgramme total factory controlUser needsIslanding
An IMES intelligent manufacturing execution system is featured by comprising a basic data module, a production planning module, a production scheduling module, a qualify management module, a manufacturing resource management module, an employee management module, a warehouse management module, an integral report module, a system management module and an equipped mobile terminal system; the advantages are that the system can solve the information isolated island problems existing in MES and the defect ring problems formed between a MRP layer and a DCS layer; novel modules are developed according to user demands and used by a plurality of departments in the same time, thus solving the contradictions of different departments using different information systems, and improving the working efficiency; the IMES intelligent manufacturing execution system can monitor the factory flow data, thus enabling the management layer to make rapid decisions aiming at problems.
Owner:QINGDAO PENGHAI SOFT CO LTD

Online checking method for high-tension current transformer

The invention relates to an online checking method for a high-tension current transformer, which can check the high-tension current transformer in the field operation with high accuracy. The online checking method is characterized in that in a return circuit of the high-tension current transformer to be checked, a high-accuracy pincerlike hollow coil based on a PCB (Printed Circuit board) is connected in series, so that the high-tension current transformer is used as a standard current transformer, the signal of the high-tension side is digitized and transmitted to the low-tension side through fiber transmission, the output value of the standard current transformer and the output value of the checked high-tension current transformer at the synchronized instant are compared through an external synchronous trigger signal, the digital integration algorithm and error theory algorithm are realized by using a virtual instrument in a checking platform, so that the accuracy of the checked high-tension current transformer in the field operation is checked, the cost of interruption is reduced, and the checking period of the high-tension current transformer is shortened.
Owner:STATE GRID ELECTRIC POWER RES INST

Urban PM2.5 monitoring system and method based on Beidou and Internet of Things

The invention provides an urban PM2.5 monitoring system based on the Beidou and the Internet of Things, and the system comprises a cloud platform, a plurality of gateway devices, and a plurality of monitoring terminal devices. All monitoring terminal devices are in communication connection with all gateway devices through Beidou satellites. The gateway devices are in network communication connection with the cloud platform, and the monitoring terminal devices are used for monitoring of PM2.5, collects monitoring data and position information, and enables the collected monitoring data and position information to be transmitted to the gateway devices through the Beidou satellites. The gateway devices are used for enabling the received detected data to be transmitted to the cloud platform. The cloud platform is used for the analysis, storage and publishing of the received monitoring data. The invention also provides a corresponding urban PM2.5 monitoring method based on the Beidou and the Internet of Things. The system can automatically collect the position information of devices, reduces the construction difficulty, is convenient to maintain, is wide in application range, is stable in communication, and is wide in range of data monitoring.
Owner:MEDIASOC TECH

A market-oriented power management system and method

The invention discloses a market-oriented electric power management system, the system comprising a data acquisition module, which is used for acquiring electric power production information of a power plant and electric power sales information of a market. The data analysis module analyzes the production cost data according to the current electric power production information, and obtains the predicted value of the electric power production cost under the current electric power production condition; a data application module is used for generating a bidding strategy and a bidding instructionaccording to the production cost data and the predicted value of the data analysis module. The invention also discloses a market-oriented electric power management method. For the situation that the power plant in the power system cannot comprehensively monitor the production information of the power plant and the interests of the power market according to the production information and the marketinformation of the power plant itself, the system and method collects the production information of the power plant in the power production and the market information of the power plant and analyzesand stores the information according to the classification, which can be used to monitor the power production process and market trends comprehensively, so as to maximize the benefits of power sales.
Owner:广东红海湾发电有限公司 +1

Monitoring method across switches in intelligent substation

The invention relates to a monitoring method across switches in an intelligent substation. The monitoring method comprises the following steps: (1) the VLAN of a cascading port_b of the switch B is set; (2) the VLANs of other ports on the switch B are set; (3) mirror images of the other ports on the switch B are set; (4) the VLAN ID of a monitoring port of the switch A is set; (5) a cascading port_a of the switch A is set as another VLAN ID; (6) the mirror image of the cascading port_a is set. By means of the monitoring method, the monitoring of network messages across the switches by a station level of the intelligent substation can be realized effectively, the situation that an intelligent device on the far-end switch sends all the network messages can be effectively monitored, and repetitive messages cannot be received. The design scheme of the monitoring method is not just limited to the condition that two switches are in cascading connection, but can be extended to the condition of a network across the multiple switches.
Owner:STATE GRID CORP OF CHINA +2

Automatic optimizing system for runoff hydropower station

The invention provides an automatic optimizing system for a runoff hydropower station. A front water tank is provided with a water level detecting module for detecting water levels of the front watertank under different incoming flows; different-output calculation is realized by utilizing different flow grouping, so that optimal output is obtained; and a unit is optimized and regulated, so that operation benefits of the hydropower station are improved. Through a computer system, implementation optimization of a speed regulator is controlled, so that unit operation efficiency is improved.
Owner:郑州誉善贸易有限公司

Network interception device, system and method

The invention discloses a network interception device, system and method, and achieves the real-time data monitoring of an industrial Ethernet on the basis of nonintervention of an original network topology. The first and second network ports of the device are directly connected through PCB wiring, thereby enabling the network data to directly enter a network through the other network port duringuploading, avoiding the delay caused by the forwarding processing, and meeting the requirements of small-period real-time communication. The device employs an FPGA as a core device, adds a serial number and a timestamp to a network data frame, and then transmits the network data frame to a monitoring computer. The device performs the analysis of the data frame in the soft core of the CPU, obtainsthe required state information, and uploads the state information to a server through an NB-IOT module. The device is convenient and reliable in hardware connection, and is low in cost. Moreover, a user can compile a data frame analysis method by himself according to the type of a to-be-detected network, and obtains the state information concerned. The device has the higher application value and good prospect in the field of the industrial Ethernet.
Owner:山东易码智能科技股份有限公司

Intelligent sewage treatment device and method

The invention provides an intelligent sewage treatment device and method. The device comprises a container, as well as a mixing tank, a supermagnetic sewage purification box, a first water tank, an activated carbon filter device, a second water tank, a nano ultrafiltration device, a third water tank, a PAM addition device, a PAC addition device, an ammonia-nitrogen-free drug addition device, an activated carbon cleaning device, a disinfectant addition device, an ultrafiltration cleaning device, a water suction pump, a magnetic seed recovery device, a desliming device and an electric control cabinet which are located in the container. By adopting a supermagnetic separation and purification technology and container installation, the floor area is saved and transportation is convenient; remote maintenance and data monitoring of the intelligent sewage treatment device are achieved through a cloud server; wiring is not needed, a distance limit is avoided, only a mobile phone signal is needed, and a master-slave limit is avoided; data exchange of various modes, such as a one-to-many mode, a many-to-one mode and a many-to-many mode is achieved; and fault maintenance of maintenance personnel can be achieved at any place, and thus the operation cost is reduced.
Owner:BEIJING AREOSTANARD NEW TECH +1

Physically simulated gas injection-production flow control system of gas storage

The invention discloses a physically simulated gas injection-production flow control system of a gas storage. The system specifically comprises a gas injection-production control device which is connected with gas storage core model, and comprises a high-pressure cavity, a low-pressure cavity and a balance cavity; the control on the pressure and the flow of injected gas and produced gas of the gasstorage core model is realized by sufficiently mixing the gas in the high-pressure cavity and the gas in the low-pressure cavity in the balance cavity; a gas pressurizing device is communicated withthe high-pressure cavity and / or low-pressure cavity of the gas injection-production control device, and used for controlling high-pressure cavity pressure and / or the low-pressure cavity pressure in the gas injection-production control device; a gas cylinder device is connected with the gas pressurizing device and used for providing gas source for the gas pressurizing device; a gas flow monitoringdevice is arranged between the gas injection-production control device and the gas storage core model and used for recording gas flow data in the gas injection and gas production process; and a control analysis device is respectively connected with the gas pressurizing device and the gas traffic monitoring device, and used for controlling a control system to simulate the gas injection-production parameter in the actual gas storage, and monitoring and recording various experimental data.
Owner:PETROCHINA CO LTD

Intelligent fire-fighting emergency management system based on cloud platform

InactiveCN110912995ARealize mobile detection recordsStatus real-time recordFire rescueClosed circuit television systemsData valueEmbedded system
The invention discloses an intelligent fire-fighting emergency management system based on a cloud platform, and the system comprises a plurality of pieces of detection equipment which are used for detecting conditions for triggering a fire-fighting alarm; a plurality of fire extinguishing devices which are started to complete fire extinguishing operation in the area; a plurality of centralized controllers which are used for being in communication connection with the detection equipment and receiving data uploaded by the detection equipment through communication connection, controlling the fireextinguishing devices to be started when the data value reaches the fire extinguishing device starting condition, and leaving the fire extinguishing devices to stand when the data value does not reach the fire extinguishing device starting condition; and a cloud platform terminal which is used for forming communication connection with the centralized controller, receiving the data uploaded by thecentralized controller through the communication connection and storing the data to the cloud platform terminal. The intelligent fire-fighting emergency management system receives information of theintelligent sensing layer through Internet wired, WiFi, GPRS, 4G, 5G and other modes, and completes intelligent judgment through data processing.
Owner:浙江信达可恩消防股份有限公司

Medical data feedback system

The invention provides a medical data system. The medical data system comprises a collection device, a service interaction module and a mobile terminal, wherein the collection device is used for collecting physical sign information of a patient and outputting abnormal information when corresponding physical signs of the patient are abnormal, and the abnormal information reflects abnormalities of the physical signs of the patient; the service interaction module is connected with the collection device in a wired or wireless mode; the mobile terminal is connected to the service interaction module in a wireless mode and used for displaying the physical sign information; the service interaction module is configured with a grabbing strategy, the grabbing strategy is used for grabbing corresponding key points according to the abnormal information and then grabbing corresponding waveform segments from a waveform graph of the physical sign information according to the grabbed key points to form diagnostic information, and the service interaction module sends the diagnostic information to the corresponding mobile terminal. Thus, medical staff do not have to keep staying on a clinical monitoring terminal, data monitoring on the patient can be achieved, the medical data system is relatively simple and convenient, and treatment is conducted at the first time according to the physical signs of the patient.
Owner:深圳医信家健康技术有限公司

Method for generating custom message structure by custom monitoring of database changes and control device

Aiming at the defects in the prior art, the invention relates to a method and a device for generating a custom message structure by custom monitoring of database change, and aims to monitor change message notifications of different message structures issued by Mysql database table change. In order to achieve the purpose, the invention is realized through the following technical scheme: the methodfor generating the custom message structure by custom monitoring of the database change comprises the following steps: 1, a configuration stage; 2, subscribing binlog log data from the Mysql, and analyzing the binlog to obtain a library name, a table name and change content of the database; 3, according to filtering rule configuration of the library table, filtering matching operation types, fields and field condition values; 4, performing structure conversion to obtain a brand-new data structure; and step 5, publishing the data to a message queue theme. By means of the technical scheme, configuration is flexible and rapid, the configuration process is dynamic, configuration and use are achieved immediately, the method takes effect in time, and recompilation and restarting are not needed.
Owner:HAOYUN TECH CO LTD

Distributed photovoltaic power generation grid-connected measuring and controlling device

The invention discloses a distributed photovoltaic power generation grid-connected measuring and controlling device, which comprises a PLC module, a communication module, data acquisition modules, a switch, a power module and a man-machine interaction interface, wherein the first data acquisition module is connected with a first communication management module via an RS485 interface; the second data acquisition module is connected with a second communication management module via an RJ45 interface; the PLC module is connected with the switch via the RJ45 interface; the switch is in communication connection with the man-machine interface and the wireless communication module via the RJ45 interface; and the power module is connected with the PLC module, the switch and the man-machine interface and provides 24V DC power for the PLC module, the switch and the man-machine interface.
Owner:INST OF ELECTRICAL ENG CHINESE ACAD OF SCI

Intelligent networked vehicle driving monitoring system and method for vehicle-road cooperation

The invention provides an intelligent networked vehicle driving monitoring system and method for vehicle-road cooperation. The intelligent networked vehicle driving monitoring system for vehicle-roadcooperation comprises an automatic driving vehicle data acquisition module, an out-vehicle traffic environment data acquisition module, a driver operation and state information monitoring module and amulti-terminal information fusion transmission interaction module. According to the intelligent networked vehicle driving monitoring system and method for vehicle-road cooperation, data is obtained at the same time through multiple terminals and integrated, information perception is more comprehensive, and more comprehensive vehicle driving monitoring and assistance are provided.
Owner:深圳慧拓无限科技有限公司

Control method and device during weighing of cooking utensil and cooking utensil

The invention discloses a control method and device during weighing of a cooking utensil and the cooking utensil. The cooking utensil is internally provided with a weighing device. The weighing deviceis used for weighing the utensil body. The control method comprises the following steps: when the cooking utensil starts to cook, weighing the utensil body in real time through the weighing device; judging whether the cooking utensil is in an electromagnetic heating mode; and if the cooking utensil is in the electromagnetic heating mode, collecting and processing weighing data during the gap of electromagnetic heating to realize weighing data processing and electromagnetic heating time-share composite processing. The method ensures effective treatment of the weighing signal without influencing electromagnetic heating, and allows the cooking utensil to monitor weight change information of food to be cooked in real time under the working state to realize data monitoring and feedback of weight and evaporation amount of the food to be cooked in the cooking process, thereby improving cooking performance and cooking effect of the cooking utensil.
Owner:FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD

Monitoring system for distributed integrated rural sewage treatment equipment

The invention discloses a monitoring system for distributed integrated rural sewage treatment equipment, comprising remote operation equipment, video and voice monitoring equipment, data monitoring equipment, intelligent matching equipment, an industrial 4G wireless gateway, a monitoring center server, and a monitoring center gateway; wherein the remote operation equipment, the video and voice monitoring equipment, the data monitoring equipment and the intelligent matching equipment are connected with each other, and are connected with the industrial 4G wireless gateway and the monitoring center server, the monitoring center gateway is connected with the monitoring center server, and the monitoring center gateway is connected with the industrial 4G wireless gateway. The monitoring system of the invention is ingenious in overall conception and design, and solves the problem that the rural sewage treatment equipment is remote in installation position, dispersed in installation layout, and does not have a wired network, thus the remote operation equipment, video management and control equipment, the data monitoring equipment and the intelligent matching equipment in the rural sewage treatment equipment can not be monitored, and it is difficult to control transmission of information data, therefore, the monitoring system is suitable for being popularized and applied in rural distributed sewage treatment equipment.
Owner:ANHUI SHUNYU WATER AFFAIRS CO LTD

In-situ oxidation reduction potential testing device for laboratory simulation underground infiltration system

InactiveCN109187702ARealize data monitoringRealize the function of real-time data monitoringMaterial analysis by electric/magnetic meansData acquisitionOxidation reduction
The invention discloses an in-situ oxidation reduction potential testing device for a laboratory simulation underground infiltration system. The device comprises an underground infiltration system sewage treatment device and a multi-channel ORP real-time monitoring system, wherein the underground infiltration system sewage treatment device comprises experiment columns, wherein a mixed matrix is filled in each experiment column; a water outlet pipe is arranged at the bottom of each experiment column; a water distribution pipe is arranged at the top of each experiment column; the lower end of each water distribution pipe extends into the corresponding experiment column; a plurality of monitoring holes are vertically arranged in the outer wall of each experiment column; depolarization oxidation reduction electrodes are respectively arranged in the monitoring holes; the multi-channel ORP real-time monitoring system comprises a multi-channel data acquisition system and a computer; the multi-channel data acquisition system is respectively electrically connected to the depolarization oxidation reduction electrodes; the computer is electrically connected to the multi-channel data acquisition system; and electric signals of the depolarization oxidation reduction electrodes are transmitted to the computer through the multi-channel data acquisition system. According to the device, real-time data monitoring at different depths can be realized, and a function of carrying out real-time data monitoring at different mixed matrix depths is achieved.
Owner:NORTHEASTERN UNIV

Method for remotely and instantly updating client based on MQTT protocol

The invention relates to the technical field of system updating, and provides a method for remotely and instantly updating a client based on an MQTT protocol, which comprises the following steps: step 100, a background server obtains a client updating file uploaded by an administrator, and the background server sends an instruction for querying the client needing to be updated to the dbsql database according to the client updating file; step 200, the bsql database returns the client information needing to be updated to the background server; step 300, the background server forms a client list to be updated, then the background server sends the update push message to the MQTT server according to the client list to be updated; step 400, the MQTT server issues the update push message to the client to be updated; and step 500, the to-be-updated client obtains the client update file from the FTP server, and system update is carried out. According to the invention, the client can be remotely and instantly updated, and the updating efficiency of the client is improved.
Owner:智达信科技术股份有限公司

Design of intelligent numerical control switch power supply

The invention relates to a numerical control adjusting technology of a switch power supply and data display and remote control of an upper computer. A frame body, a power supply mainboard, a high precision AD sampling circuit, a temperature control circuit, an embedded microcontroller module, a liquid crystal module, a serial port communication module, a digital input module and an alarm circuit are included. Hardware circuits of an embedded micro-control system, a power supply system and the like are designed. In the invention, remote control can be achieved; and a computer is used to observe a load characteristic change curve in real time so that precision of the power supply is increased, circuit analysis is convenient, and scientific research, factory testing and science and education become convenient too. A design of an intelligent numerical control switch power supply possesses the following functions of 1, using a coding switch to adjust 0-50V / 10A output; 2, using a button to select a communication protocol to connect a computer or other portable equipment so as to realize remote control and data monitoring; 3, using an embedded microcontroller to carry out intelligent detection of a power supply key parameter; 4, carrying out functions of overvoltage and overcurrent protection, LCD display and data storage.
Owner:TIANJIN VOCATIONAL INST

Electronic display board system for automobile engine production management

The invention discloses an electronic display board system for automobile engine production management. The system comprises a PLC device, a PC terminal device, a database, a CS client platform, a Webservice, a mobile terminal APP, a BS webpage platform and a production line display. The PLC equipment, the PC terminal device, the database, the Web service and the BS webpage platform are connectedin sequence. The CS client platform is connected with the database, and the mobile terminal APP and the production line display are respectively connected with the Web service. The beneficial effectsof the system are that the system can achieve the omnibearing data monitoring and intelligent analysis of all dimensions of materials, procedures and quality control, provides a data display board for each production procedure, facilitates the front-line personnel to timely master the production dynamic conditions, guides and guarantees the standardized operation.
Owner:惠州西电仲恺人工智能联合创新实验室有限公司

Vehicle spherical hinge assembly debugging fixture

The invention provides a vehicle spherical hinge assembly debugging fixture. The vehicle spherical hinge assembly debugging fixture comprises a sleeve, a spherical hinge pressing load application mechanism and an assembly process load and displacement feedback mechanism, wherein the spherical hinge pressing load application mechanism comprises an adjusting nut, a screw rod, a spring, a pressure head mounting shaft and a pressure head; the assembly process load and displacement feedback mechanism comprises a force dial indicator, a displacement dial indicator, a reference block and a base; the adjusting nut and the base are respectively mounted at the two ends of the sleeve; the adjusting nut and the screw rod are in movable threaded connection; the pressure head mounting shaft and the screw rod are oppositely arranged, and are in movable cup joint with the sleeve; the spring is mounted between the screw rod and the pressure head mounting shaft; the pressure head is fixedly mounted at the tail end of the pressure head mounting shaft; the force dial indicator is fixedly connected with the screw rod; the displacement dial indicator is fixedly connected with the sleeve; and the reference block is positioned below contactors of the force dial indicator and the displacement dial indicator, and is fixedly connected with the pressure head mounting shaft. The vehicle spherical hinge assembly debugging fixture realizes the simulation of spherical hinge product actual assembly process and the data monitoring, and is simple in structure and low in execution cost.
Owner:四川望锦机械有限公司

Method and equipment for supplying power to LPWA equipment

The invention discloses a method and equipment for supplying power to LPWA equipment, which are used for solving a problem that the volume of a power supply battery of the LPWA equipment is too largein the prior art. In the embodiments of the invention, the LPWA equipment in an awakening state judges whether to enter a dormant state from the awakening state or not; and after the LPWA equipment enters the dormant state from the awakening state, the battery is stopped to supply the power, and the power is supplied by an energy source provided by wireless power supply equipment which is receivedthrough a radio frequency wireless transmission mode. The electric quantity required by the LPWA equipment is all provided by the battery in the prior art; when the LPWA equipment is in the dormant state, the power is supplied to maintain equipment operation through a wireless radio frequency mode; when the LPWA equipment is in an activated state, the power is supplied by the battery, so that thebattery configured by the LPWA equipment only needs to maintain the electric quantity required by the activated state of the equipment, and thus the electric quantity demand of the battery configuredby the LPWA equipment is reduced, and the volume of the battery is also reduced.
Owner:HISENSE

Intelligent service acquiring management method and system of real-name card

ActiveCN104599074ALower the threshold for card applicationEliminate errors in data entryCustomer relationshipResourcesThird partyApproaches of management
The invention relates to the field of computer management of smart cards, and discloses an intelligent service acquiring management method of a real-name card. The method comprises at least the step of reviewing information, namely, a data reviewing module receives a request carrying the user information of an owner from the final real-name card owner, then compares with the data in a third-party data storing module, and reviews and distributing the real-name card to the owner after determining that the request and the data are provided by the same owner. The invention further discloses an intelligent service acquiring management system of the real-name card. The method and system have the advantages that the online review is completely achieved, and the user simply supplies the identity information and related information; therefore, the operation process is simplified; the user does not need to provide ID card to verify the identity; the application value is high.
Owner:HANGZHOU YUNLING TECH

Intelligent business collection management method and system for real-name card making

ActiveCN104599074BLower the threshold for card applicationEliminate errors in data entryCustomer relationshipResourcesThird partyComputer module
The invention relates to the field of computer management of smart cards, and discloses an intelligent service acquiring management method of a real-name card. The method comprises at least the step of reviewing information, namely, a data reviewing module receives a request carrying the user information of an owner from the final real-name card owner, then compares with the data in a third-party data storing module, and reviews and distributing the real-name card to the owner after determining that the request and the data are provided by the same owner. The invention further discloses an intelligent service acquiring management system of the real-name card. The method and system have the advantages that the online review is completely achieved, and the user simply supplies the identity information and related information; therefore, the operation process is simplified; the user does not need to provide ID card to verify the identity; the application value is high.
Owner:HANGZHOU YUNLING TECH

Method and system for realizing data analysis based on intelligent water supply and drainage pipeline

InactiveCN108445810AMeet data maintenanceMeet big data optimizationProgramme controlComputer controlEngineeringData processing
The invention discloses a method and a system for realizing data analysis based on an intelligent water supply and drainage pipeline. The method comprises the steps that the water supply and drainagepipeline state information transmitted by the intelligent water supply and drainage pipeline is received based on a wireless acquisition terminal, wherein the water supply and drainage pipeline stateinformation is acquired by an intelligent data acquisition device fixed on the intelligent water supply and drainage pipeline; the wireless acquisition terminal transmits the received water supply anddrainage pipeline state information to a data processing center; and the data processing center analyzes the water supply and drainage pipeline state based on the water supply and drainage pipeline state information and prompts the analyzed water supply and drainage pipeline state to the management user. The water supply and drainage water flow velocity and / or the water supply and drainage pipeline wall pressure state are / is acquired through the wireless acquisition terminal so that monitoring of the water flow data and / or the pipeline wall pressure state in the water supply and drainage pipeline can be realized and the smart city management and service can be provided.
Owner:广东聚源管业实业有限公司

Circuit structure suitable for half-duplex bus signal direction control and control method

The invention provides a circuit structure suitable for half-duplex bus signal direction control. The circuit structure comprises a control module, an ADC module, a bus PHY module and a high-speed analog switch module. The control module receives a PHY signal of the bus PHY module, analyzes a bus signal according to the PHY signal, and judges the communication direction of the bus signal according to a bus protocol; the control module sends a switching command to control the high-speed analog switch module; the ADC module receives an electrical signal of the bus; the control module is connected with the ADC module through a bus. The invention further provides a control method suitable for half-duplex bus signal direction control. According to the invention, the high-speed analog switch module is adopted, so that timely switching of signal directions is realized, and system communication errors caused by the fact that ACK signals and the like are not returned in time are avoided.
Owner:VISION MICROSYST SHANGHAI

Communication acquisition device, photovoltaic inverter and control system

The invention discloses a communication acquisition device, a photovoltaic inverter and a control system, and the communication acquisition device comprises a first communication module which is used for receiving an output voltage transmitted by an assembly control end and transmitting an assembly on-off signal to the assembly control end; a second communication module which is used for receiving a string on-off signal sent by the monitoring end, transmitting loop current to the monitoring end and outputting voltage; a microcontroller which is used for receiving the loop current collected by the inverter body, wherein the microcontroller is also connected with the first communication module and the second communication module, and is used for receiving the output voltage through the first communication module, sending an assembly on-off signal to the assembly control end, receiving a group string on-off signal transmitted by the monitoring end through the second communication module, and transmitting loop current and output voltage to the monitoring end. According to the embodiment of the invention, the system achieves the remote monitoring of the state of the photovoltaic module, also has the capability of remotely turning off the photovoltaic module, integrates the two functions, and greatly reduces the monitoring cost.
Owner:CHANGSHA JINGHUI SOLAR ENERGY CO LTD

Multifunctional bracelet for managing eye using behaviors of children and teenagers

The invention discloses a multifunctional bracelet for managing eye using behaviors of children and teenagers. The wristband comprises a finger clamping type blood oxygen saturation degree testing device, a testing device base, a middle telescopic frame, a base fixing frame, a base and a wristband belt. The blood oxygen saturation degree can be measured through the finger clamping type blood oxygen saturation degree testing device, the finger clamping type blood oxygen saturation degree testing device and the bracelet are integrated, carrying is convenient, under the condition that the hand fears to wear the bracelet, the finger clamping type blood oxygen saturation degree testing device can be pulled out in a sliding mode through the middle telescopic frame, and therefore the blood oxygen saturation degree can be measured under the condition that the bracelet does not need to be taken off. Therefore, the finger can be stretched out to measure the oxyhemoglobin saturation by using the finger clamping type oxyhemoglobin saturation testing device, and the operation is convenient. In addition, a motion monitoring module, a heart rate monitoring module, a blood pressure monitoring module, an illumination detection module, a sitting posture detection module, an outdoor monitoring module and a sleep monitoring module can be integrated in the base, so that multifunctional data monitoring is achieved.
Owner:EYE HOSPITAL CHINA ACAD OF CHINESE MEDICAL SCI

A distributed photovoltaic power generation grid-connected measurement and control device

A distributed photovoltaic power generation grid-connected measurement and control device includes a PLC module, a communication module, a data acquisition module, a switch, a power supply module and a human-computer interaction interface. The first data acquisition module is connected to the first communication management module through the RS485 interface, the second data acquisition module is connected to the second communication management module through the RJ45 interface, the PLC module is connected to the switch through the RJ45 interface, and the switch communicates with the man-machine interface through the RJ45 interface It is connected with the wireless communication module, and the power module is connected with the PLC module, switch, and man-machine interface to provide 24V DC power for the PLC module, switch, and man-machine interface.
Owner:INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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