52results about How to "Realize plug and play function" patented technology

This invention discloses a multi-monitor system, including: The master indicator, establishes the wireless position determination sensor; As well as one or more than one supplementary monitor, at monitor's central place, establishes the monitor information launcher used in the launch. This invention also provides one method of using in the multi-monitor system, diagnosing and adjusting automatically many monitors' relative position, including the following steps: Through establishes the wireless position determination sensor on master indicator and the supplementary monitor's launcher, according to the predetermined judgment criterion, determines the supplementary monitor's relative position opposite master indicator, namely the supplementary monitor's azimuth information; Then to the operating system with each monitor's azimuth information. The operating system could establish each supplementary monitor's position in the driver according to the azimuth information.

The invention discloses an intelligent sensor for the electrical conductivity of water quality. The sensor comprises a temperature-conductivity probe used for sensing the temperature and the electrical conductivity of the water; a signal conditioning module which is connected with the temperature-conductivity probe, forms a sensing circuit with the temperature-conductivity probe and carries out filtering and amplification to an output signal; a microprocessor which is connected with the signal conditioning module, is used for digitizing the signal input by the signal conditioning module and adopts IEEE1451 standards to carry out the calibration and alignment of channels; a bus interface module which is connected with the microprocessor and is used for the functions of networking and plugging and playing; and a power module which supplies power to the circuits of all parts of the sensor under the control of the microprocessor and realizes the characteristic of low power consumption. The invention can eliminate the polarization effect of the probe, has pollution resistance, large measuring range and low price, and is characterized by the functions of self alignment and compensation, self diagnosis and plugging and playing and high integrity.

A method for dynamically distributing IP address on set-top box includes connecting client end module to IPTV set top box of Internet and using service end module to distribute and manage DHCP server of IP, utilizing set-top box at client end to monitor UDP port 67 and to send IP address leasing request as well as to configure TCP / IP, using server at service end to receive IP address leasing request of set -top box and to return confirmed IP address back as well as to change IP address mapping table on server.

Dynamic expandable Parlay / OSA gateway of open interface technique in use for next generation of network is composed of soft bus, configuration management unit, SCF unit, TCAP / non TCAP quasi protocol mapping unit, operation maintenance unit and network administer unit. Being as common communication channel for each unit / module, the soft bus can shield difference of isomerous application system and network system so as to make the gateway possible to be deployed in practical network environment. Executing register / cancel mechanism of modules, the control center-configuration management unit makes the gateway introduce new SCF module and protocol mapping module dynamically in plug and play mode or start up process instance of new module, also realize load balancing. When replacing protocol stack, the protocol-mapping unit is modified partially in protocol adaptation layer; and codes of SCF module does not need to be modified. Features are: good expansibility, and easy of application.

The invention provides a distributed control method for an isolated micro grid. The method distributes a distributed controller for each distributed power supply, and only interactive voltage and frequency information between adjacent controllers are needed; a consistency algorithm evaluation is used to obtain average voltage and frequency of the whole network and is used for secondary optimal control; by optimizing reference voltage and frequency of droop control, each distributed power supply can output active power accurately according to a rated capacity proportional distribution, and system voltage regulation and frequency modulation are performed. Compared with the prior art, by using a sparse communication network without a center node, the method provided by the invention can realize the plug and play of the distributed power supply, and proportional control of power can be realized only through interactive voltage information; besides, the communication lines and communication traffics are less, the demand on the communication lines is low, and the reliability of the method is high.

The method of establishing intelligent virtual display for intelligent virtual control instrument includes the following steps: determining the configuration of intelligent virtual display; determining the makeup of intelligent virtual display; establishing the modules, instrument function library and function library for the intelligent virtual display; and establishing the development system and making the intelligent virtual display in Windows system through constituting the outer appearance of the intelligent virtual display via setting and altering the attribute, selecting the function of the intelligent virtual display and selecting the instrument function of the intelligent virtual display. The present invention has the technological features of several switched display modes, capacity of meeting the requirement of virtual instrument and plug-and-play function.

The invention discloses a service transport method and device. The method comprises that a first node generates a route forwarding table to reach other nodes according to the topology structural of the whole network, and a tunnel forwarding table is established according to addresses of target nodes in the route forwarding table and corresponding tunnel ID; and according to the tunnel ID in a service message and the tunnel forwarding table, the first node carries out service transport. According to the invention, the problem that a lot of manual configuration is needed in the IP RAN network service channel in the related arm is solved, a plug-and-play function of a device is realized, great convenience is provided for establishment of service channels of the IP RAN network, and the labor and time cost due to manual configuration is reduced.

The invention discloses a power optimization scheduling-based microgrid energy storage system state consistency control method, which belongs to the technical field of control of the microgrid energystorage system. The method adopts time-of-use price, new energy prediction output and energy storage unit battery pack state of energy SOE to determine an energy storage unit operation strategy on thebasis of considering energy storage charge and discharge efficiency and ensuring system active power balance, and considers an energy storage unit battery pack state of energy SOE imbalance problem and time-varying energy storage unit power charge and discharge bearing capability SOP, and a microgrid energy storage system power balance model is built; and besides, through a consistency protocol,energy storage units SOH and SOE are ensured to be consistent, the application performance of the energy storage unit in the energy storage system is improved, the overall charge and discharge times of the energy storage system is effectively reduced, and the service life is improved.

The invention discloses a modularized high-frequency link power conversion system of a plug-and-play structure, and belongs to the technical field of power electronics. The system comprises a power supply module with a plug-and-play port, a control module with a plug-and-play port, a signal processing module with a plug-and-play port, one or more power modules with plug-and-play ports, one or more high-frequency isolation transformers and a mother board with multiple plug-and-play ports. The power supply module, the control module, the signal processing module and the power modules are inserted into the corresponding plug-and-play ports respectively of the mother board through respective play-and-plug ports, and signal transmission is achieved through a signal connection bus on the mother board. The power modules are connected through power connection buses, and the power modules and the high-frequency isolation transformers are connected through power connection buses. The plug-and-play function of the power conversion system can be achieved, and production, assembling and maintenance are facilitated through a modularized structure.

The invention provides a multi-objective optimal dispatching method of a power system based on a two-layer consistency algorithm. The process comprises the following steps: establishing a multi-objective optimal dispatching model of the power system; searching for the best condition; designing a two-level consistency algorithm to find out the optimal output of the generator and calculating the minimum value of comprehensive expectation. The invention considers the influence of the transmission loss on the system supply-demand balance and the unit output optimization, and can realize the real-time calculation of the transmission loss. The multi-objective optimization problem is transformed into a single objective optimization problem by using linear weighted sum method. The supply side cansatisfy its own interests by adjusting the weighted coefficient according to the demand of the enterprise. The optimal configuration of electric energy is realized, and the supply side is guided to make a reasonable capacity plan. On the premise of considering the transmission loss, it can meet the user's load demand and improve the economic benefit and social environmental protection benefit of the enterprise. Low dependence on communication and effective protection of enterprise and user privacy, and can achieve plug and play group and effectively respond to network topology changes.

The present invention provides an RS232 communication system supporting multipoint long-distance communication. The RS232 serial communication system comprises a master device and at least one slave device which are connected with an RS232 serial differential bus. In the RS232 serial communication system, a loopback control module controls the bus, an output control module controls an accessed device, a conflict detection module detects a bus conflict, a carrier monitoring module contends the bus control right, and an interface conversion module enables the signal anti-interference capability to be enhanced and a communication distance to be increased. By the mutual cooperation of the loopback control module, the output control module, the conflict detection module and the carrier monitoring module, a half-duplex communication mode and a full duplex communication mode can be supported, and the multipoint-to-multipoint communication can be realized.

The invention belongs to the technical field of hydrogen production by water electrolysis, in particular relates to a method for diagnosing the fault of a rectifying cabinet on the basis of wavelet transformation and Wigner-Ville distribution. A decomposing layer number n of wavelets is chosen according to a frequency band where a fault signal among signals is positioned; db1 and db3 are used as generating functions of the wavelets, multiresolution decomposition of n to 1 layers are respectively carried out so as to decompose the original fault signal into n sequences with each of which having only one component; each component is analyzed according to the Wigner-Ville distribution, the Wigner-Ville distribution of all the sequences are combined to form the time frequency of the original signal, and the multiple dimensioned on-line analytical method of the signal is realized. The method can greatly enhance the accuracy for diagnosing the fault, the reliability and the maintenance level of the prior rectifying cabinet for producing hydrogen by water electrolysis so as to ensure that equipment for producing hydrogen by water electrolysis safely and reliably works.

The invention discloses a cooperative control method applicable to a photovoltaic generator set without a main control center. Auxiliary variable iterative calculation is introduced so that an output power of the photovoltaic generator set is obtained; through a high-level controller, a stocking rate instruction value is calculated; approximate calculation is carried out on a maximum power output by each photovoltaic generator and then measured values of stocking rates are calculated; a communication matrix is established, and through a bottom layer controller, reference values of the stocking rates and reference values of DC bus voltages of grid-connected inverters are calculated; and through a voltage current double-closed-loop PI control method of the photovoltaic grid-connected inverters, stable control of output power of each photovoltaic generator is realized. The method does not need to arrange a main control center to control the photovoltaic generator set so that communication device and cost are saved and operation robustness is improved and a plug and play function is realized; and cooperative control of output powers of a large number of photovoltaic generators which are geometrically distributed is realized and support is provided to smoothing of load fluctuations of an electric power network and improvement of voltage and frequency stability in the electrical power network.

The invention discloses a hydraulic excavator hammer parameter setting method, characterized in that: in an excavator controller, setting a hammer parameter setter which comprises preset parameter database, input module, display module and setting module, firstly selecting preset hammer trademark and model, after confirming parameters, modifying excavator electric control program memory by the setting module and completing settings of the hammer parameters including pressure and flow of hydraulic system and matching power of hydraulic pump. And the invention implements 'plug-and-play' function of the hydraulic hammer, and when a user changes the hydraulic hammer, he only needs to select the corresponding trademark and model on display screen to be able to implement power system's power, pressure and flow matching.

The invention relates to the technical field of plug-and-play of intelligent equipment in a low-voltage transformer area of a distribution network, in particular to a method for realizing plug-and-play of power distribution and utilization intelligent equipment. The method comprises the steps of executing plug-and-play of a power distribution main station and intelligent equipment and executing plug-and-play of the intelligent equipment and a tail end node. The invention aims to overcome the defects in the prior art, and provides a plug-and-play method for power distribution and utilization intelligent equipment which does not have a recognizable MAC address or IP address, in particular to intelligent equipment in a low-voltage transformer area of a power distribution network.

The invention discloses a panel TV and a method for driving a display thereof, wherein the method is that a main control chip of the display solidifies drive parameters of the display and establishes a communication protocol with a core board; and the core board obtains the drive parameters of the display from the main control chip of the display through the communication protocol, and drives the display according to the drive parameters. In the invention, as the drive parameters of the display are solidified on the main control chip of the display and the communication protocol with the core board is established on the main control chip of the display, when the display is needed to be driven, as long as the core board obtains the drive parameters of the display from the main control chip of the display through the communication protocol and the drive operation of the display is performed, the display can be driven; and as no software working staff is required to be involved in software modification, the function of plug-and-play of the display is achieved, the production procedure of the panel TV is simplified, and the operation cost of the panel TV is reduced.

The invention discloses a comprehensive carrier suitable for carrying tunnel equipment and facilities. The comprehensive carrier comprises at least one main rod arranged on the side wall or the top of a tunnel in the tunnel driving direction, each main rod comprises a rectangular outer shell and a plurality of branch bins arranged in the rectangular outer shell, clamping grooves extending in the length direction of the main rods are correspondingly formed in the outer side walls of the rectangular outer shells, and a plurality of penetrating holes arranged at intervals are formed in the bottoms of the clamping grooves. According to the comprehensive carrier suitable for carrying the tunnel equipment and facilities, the plug-and-play function of the tunnel equipment and facilities is realized, a convenient installation way is provided, sufficient power supply and network wiring are reserved, and rewiring in the later period is avoided; universal installation of various devices and subsequent increase of the devices are facilitated, pipelines can be clearly classified and carried, and replacement and maintenance are further facilitated; electromechanical equipment is convenient and fast to connect and install, the pipelines are orderly distributed, and disorder is avoided; and the main rods are convenient and quick to install and dismount, the simple and quick dismounting requirements of subsequent cable and equipment increase and decrease are met, the installation and maintenance period is shortened, and the construction and maintenance cost is reduced.

The invention belongs to the technical field of an electronic device and particularly relates to a smart home universal gateway based on a cloud technology. The smart home universal gateway comprisesa gateway control unit, a power module, an MCU control module, a conversion module, a communication module, a user control module, a cloud server module, a feedback module, a detection module, an external control device unit, a control module and a transmitting and receiving module. The gateway control unit is equipped with the power module, the MCU control module, the conversion module and the communication module. The external control device unit is equipped with the feedback module, the detection module, the control module and the transmitting and receiving module. The gateway control unitand the user control module are in bidirectional data connection. The gateway control unit and the cloud server module are in bidirectional data connection. The gateway control unit and the external control device unit are in bidirectional data connection based on a wireless communication protocol.

The invention discloses a plug-and-play type photovoltaic power generation combined system which comprises a photovoltaic component, a photovoltaic storage battery, an inverter, a photovoltaic input control circuit, a direct-current voltage stabilizing circuit, a photovoltaic controller, a direct-current output interface, an alternating-current output interface, an alternating-current back-up source interface, a grid-connection interface and a storage box. The photovoltaic component, the photovoltaic storage battery and the inverter are arranged in the storage box, the output end of the photovoltaic component is connected with the input end of the photovoltaic storage battery, one output end of the storage battery is connected with the direct-current output interface, the other output end of the storage battery is connected with the inverter, and the inverter, the alternating-current output interface and the grid-connection interface are connected.

This invention provides one IPv6 data collection system based on IEEE 1451.4 intelligent sensor, which comprises n sensor interfaces to meet IEEE 1451.4, wherein, the data collector comprises one imbed network controller connected to Ethernet chip through signal line and connected to sensor interface circuit through signal line and to connect output of chip with isolation transducer input end; the isolation transducer output end is connected to RJ45 interface as interface connected to IPv6 network.

The invention discloses a method and a system for playing multimedia files in an external USB (universal serial bus) storage on the basis of an Android platform. The method includes the steps: when the USB storage is externally connected to an Android device using the Android platform, controlling to mount the USB storage to a specified file catalog in a file system of the Android device; starting a video player or an audio player; acquiring a multimedia file to be played from the USB storage according to a playing request of the video player or audio player, analyzing the multimedia file to a specified data pool in the Android device; returning the analyzed multimedia file from the data pool to the video player or audio player, and allowing the video player or audio player to play the multimedia file. Management and playing of the multimedia data are centralized, flow management is centralized, the function of plug and play is realized, and users of the Android devices are provided with better experience.

The invention discloses an intelligent sensor and an intelligent method thereof, and the intelligent sensor comprises a sensor module, a circuit switch module, a signal conditioning module and a processor; the sensor module is disconnected or connected with the signal conditioning module through the circuit switch module, and the processor is connected with the signal conditioning module and the circuit switch module; the sensor module is used for collecting measured data; the signal conditioning module is used for receiving and processing the data acquired by the sensor module and sending thedata to the processor; the processor is used for processing the data processed by the signal conditioning module and sending a control instruction to the circuit switch module; and the circuit switchmodule is used for receiving a control instruction of the processor to connect or disconnect the sensor module and the signal conditioning module. Through combined use of the processor and the basicsensor, the sensor is endowed with an intelligent capability, and an intelligent function is realized.

The invention discloses an unmanned aerial vehicle airborne equipment management system, which comprises a main control system, a wireless transmission subsystem, at least a bus interface subsystem and a flight control subsystem. The wireless transmission subsystem, each bus interface subsystem, and the flight control subsystem are respectively connected with the main control system. The main control system communicates with a ground station through the flight control subsystem and / or the wireless transmission subsystem. The main control system is used for receiving equipment data signals sent by the bus interface subsystem and transmitting the signals to the ground station through the wireless transmission subsystem or the flight control subsystem. The main control system is also used for receiving command signals sent by the ground station through the wireless transmission subsystem or the flight control subsystem. The unmanned aerial vehicle airborne equipment management system solves the incompatibility of various types of airborne equipment in the prior art, realizes the plug-and-play function of the airborne equipment, and has good safety and stability.

The method of establishing intelligent virtual display for intelligent virtual control instrument includes the following steps: determining the configuration of intelligent virtual display; determining the makeup of intelligent virtual display; establishing the modules, instrument function library and function library for the intelligent virtual display; and establishing the development system and making the intelligent virtual display in Windows system through constituting the outer appearance of the intelligent virtual display via setting and altering the attribute, selecting the function of the intelligent virtual display and selecting the instrument function of the intelligent virtual display. The present invention has the technological features of several switched display modes, capacity of meeting the requirement of virtual instrument and plug-and-play function.

The invention discloses a multi-stack distributed control method based on fuel cell health degree correction, and the method comprises the steps: collecting voltage and current signals of an output end of a fuel cell, collecting voltage and current signals of an output end of a unidirectional converter, and collecting voltage and current signals of a demand side; evaluating the real-time operation performance of the fuel cell through the obtained voltage, current and power of the output end of the fuel cell, and quantifying the health degree of each fuel cell; calculating a real-time self-tuning factor related to the current performance state of each fuel cell according to the health degree calculation result of the fuel cells and by combining the circuit and current-carrying characteristics of the direct-current power supply network; and finally, completing the self-adaptive adjustment of the output power of the fuel cells through the rapid correction of a voltage outer loop and a current inner loop under the change of a real-time self-tuning factor, and achieving the distributed control of multiple stacks of fuel cells. According to the invention, any electric pile can access the system or the fault electric pile can exit the system, the communication fault is reduced, the system stability is enhanced, and the system capacity expansion is facilitated.

The invention discloses a hot plug system and a hot plug method for a field test bus function module. The hot plug system comprises a controller, wherein the controller is connected with a state monitoring line between the controller and an MCU by means of a field test bus; the controller transmits a control signal for switching on MOSFET to a MOSFET driving module by means of the field test bus;a source electrode voltage output end of the MOSFET driving module is connected with a source electrode of the MOSFET; a gate voltage output end of the MOSFET driving module is connected with a gate electrode of the MOSFET; a drain electrode of the MOSFET supplies power to the field test bus function module; an output voltage monitoring module monitors a power supply voltage of the field test busfunction module and feeds back the power supply voltage to the MCU; and an input current monitoring module detects an input current input to the source electrode of the MOSFET by means of the field test bus and feeds back the input current to the MCU. Compared with a traditional hot plug method, the hot plug system and the hot plug method have the advantages of being flexible in parameter setting,small in size, low in cost, good in safety and stability and the like.

A method for dynamically distributing IP address on set-top box includes connecting client end module to IPTV set top box of Internet and using service end module to distribute and manage DHCP server of IP, utilizing set-top box at client end to monitor UDP port 67 and to send IP address leasing request as well as to configure TCP / IP, using server at service end to receive IP address leasing request of set -top box and to return confirmed IP address back as well as to change IP address mapping table on server.

The invention provides an optical line terminal and an optical network unit. The optical line terminal of the invention comprises a deviation wavelength determination unit. The deviation wavelength determination unit is used for obtaining a second channel of uplink optical signals and determining whether the wavelength of the second channel of uplink optical signals is deviated with respect to peak transmission wavelength in the characteristic frequency spectrum of receiving arrayed waveguide grating, and determining deviation wavelength information if the wavelength of the second channel of uplink optical signals is deviated with respect to the peak transmission wavelength, and encoding the deviation wavelength information to downlink multi-wavelength optical signals. The optical network unit of the invention can adjust the wavelength of optical signals of a tunable laser according to received deviation wavelength information. By means of the optical line terminal and the optical network unit of the invention, the wavelength of the tunable laser of the optical network unit can be controlled remotely at the optical line terminal. The optical line terminal and the optical network unit of the invention are advantageous in structural simplicity, easiness in implementation and low cost.

The invention discloses a cooperative control method applicable to a photovoltaic generator set without a main control center. Auxiliary variable iterative calculation is introduced so that an output power of the photovoltaic generator set is obtained; through a high-level controller, a stocking rate instruction value is calculated; approximate calculation is carried out on a maximum power output by each photovoltaic generator and then measured values of stocking rates are calculated; a communication matrix is established, and through a bottom layer controller, reference values of the stocking rates and reference values of DC bus voltages of grid-connected inverters are calculated; and through a voltage current double-closed-loop PI control method of the photovoltaic grid-connected inverters, stable control of output power of each photovoltaic generator is realized. The method does not need to arrange a main control center to control the photovoltaic generator set so that communication device and cost are saved and operation robustness is improved and a plug and play function is realized; and cooperative control of output powers of a large number of photovoltaic generators which are geometrically distributed is realized and support is provided to smoothing of load fluctuations of an electric power network and improvement of voltage and frequency stability in the electrical power network.

The invention provides a plug and play device activation method and a system thereof. An NVC device and an NVT device are initially located in limited working modes; the NVC device starts its own device management module to search the NVT device, sets the found first activation code of the NVT device by using the security activation code obtained by itself, activates the NVT device and enables the NVT device to be located in a normal working mode; when the NVT device is located in the normal working mode, the NVT device sends video bitstream to the NVC device according to the received video service request of the NVC device. In adoption of the method and the system of the invention, the plug and play function can be realized rapidly; the user operation is convenient; and the security is high.