A method for data transmission between a pump assembly (2) and a control device (8) is provided, wherein the pump assembly (2) for the energy supply is connected via at least one electrical supply lead (10) to a frequency converter (14). The data transmission is effected via the electrical supply lead (10), and an evaluation of a data transmissionsignal (34) received by the pump assembly (2) or the control device (8) is only effected in low-disturbance regions of a carrier signal (22) formed by a supply current. A pump system designed for carrying out this method is also provided.
The invention relates to an automationsystem in which automation components (1) have integrated RFID tags (2) with a memory (3) for storing identification and operating data. The automation components further feature integrated RFID write / read devices (4), which can write current operating and process data onto the RFID tag (2) and can read data from the RFID rag (2). Furthermore, a mobile RFID write / read device (5) is provided, with the aid of which the data can be read out from the RFID tag (2) of the automation component (1) and / or data can be entered into the component.
The present invention provides a method of data transmission in an intelligence household system and an intelligence household system which has a terminal device adopting a plurality of communication protocols, comprising an exchanging server, a gateway and a terminal device. The method comprises two steps as follows: 1 the foresaid gateway directly packs a terminal data package which is bonded with the gateway and emitted by the terminal device as a data frame with a prearranged protocol form and transmits to the exchanging server; 2 the aforesaid exchanging server updates the destination address that the terminal data contains according to the preset policy and transmits the data frame after the modification of the data package according to the updated destination address. The present invention realizes that the communication protocol communicating between all terminal devices in the whole intelligence household system has no strict requirement; the data transmission in the whole intelligence household system is simpler; and the network structure of the system is simpler with strong expandability.
The invention discloses a data switching system based on a locator identify separation protocol (LISP), which comprises an IP backbone network and more than one tunneling router. The data switching system is characterized in that the system also comprises an LISP superimposed layer for storing the mapping relationship between an endpoint identifier (EID) and a routing locator (RLOC); the LISP superimposed layer comprises at least one distributed hash table (DHT) server; and the tunneling router is connected with the DHT server, and is used for transmitting a mapping request or a mapping register to the DHT server and receiving a mapping response from the DHT server. The invention also discloses an LISP data switching method. By using the invention, the mapping from the EID to the RLOC can be simply and conveniently realized, thereby flexibly completing the switching of LISP data.
The invention provides an RFID technology based concrete quality monitoringsystem and a working method thereof. The system comprises a production information monitoring unit, a supplier inputting unit, a constructor detecting unit and a central monitor control unit. The working method comprises the following steps: electronic tag initialization, production information monitoring and early warning, supplier information inputting, constructor detecting, etc. The invention can track and manage the whole process of concrete, including production, vehicle transport, unloading detection, construction site detection, maintenance and the like, and efficiently monitor the concrete quality.
The invention provides an equipment data collectingsystem based on OPC UA protocol, which can solve multi-level data collection, transmission and monitoring problems of each bottom device, measuring instrument, automatic controlsystem and so on on the industrial site, realize data transparency of complicated bottom automation equipment and improve information integrationmodes. The equipment data collectingsystem based on the OPC UA protocol is characterized by comprising a bottom adapter, an OPC UA middleware and an upper application, wherein the bottom adapter comprises a data modulation module and a data transmission module, wherein the data modulation module is used for taking out bottom equipment data value needed by a user, data values of a plurality of communication protocols can be taken out through configuration, and the data transmission module is used for transmitting the data value taken out from the data modulation module to the OPC UA middleware at a configured speed; the OPC UA middleware comprises a data service center and a Modeling and configuring module; and the data service center comprises a data collection module, an even processing module, an OPC UA real-time dataserver and a history data module.
The present invention provides a wide area protection control measurement system and method which excels in economy, reliability and expandability, in which applied arithmetic operation functions for protection, control and measurement can be freely added and changed, without adding or changing power monitoring terminals to be installed in the electric-supply station. The wide area protection control measurement system is configured from N number of power monitoring terminals 1 installed in an electric-supply station in a target range, one electric quantity aggregation device 3 connected with these power monitoring terminals 1 via a communication network 2, and M number of applied arithmetic operation devices 4 connected with the electric aggregation device 3 through an inter-device connection. Each power monitoring terminal 1 transmits electric quantity data to the electric quantity aggregation device 3 via the communication network 2. The electric quantity aggregation device 3 aggregates received electric quantity data to generate aggregated electric quantity data and outputs it to each applied arithmetic operation devices 4. Each applied arithmetic operation devices 4 performs applied arithmetic operation for protection, control or management, using the aggregated electric quantity data acquired from the electric quantity aggregation device 3.
The invention relates to a data transmission and control method for a wireless self-organized network controlsystem. The method comprises a bottom-to-top data transmission method for monitoring information and a top-to-bottom control method for a user. The method adopts a collector, a controller and other terminal subsystems, together with a wire data transmission technology at a monitoring nodeand a wireless data transmission technology between the monitoring node and a central base station, transmits the monitoring information from the collector in a bottom-to-top manner to a user mobile phone, and the user controls the controller in a top-to-bottom manner. Due to the adoption of the method, information amount in data transmission is small, the transmission is fast, a great amount of wire circuit arrangement is eliminated, the operating cost is saved, and the safety is high; and due to the small amount of wirelesssignal transmission, low interference and high reliability are achieved.
An integrated power supply and communication device is presented. The integrated device provides power and communication access to an electronic appliance. The integrated device may be manufactured with a single power and communication input, reducing the amount of wiring and cabling often present with conventional modems. A plurality of electronic appliances can be networked over an existing power line communication (PLC) network. By using low and speed communication modules, more advanced electronic appliances can communicate with less sophisticated electronic appliances. The integrated device also allows access to other networks, such as a bridged network. The bridged network may then provide access to other, local area networks (LAN), local power networks, and the World Wide Web. The integrated device can be programmed and configured to be adapted to many different electronic devices, allowing user flexibility in setting up a PLC network.
The Smart Mouse technology is a computer mouse with its own computer, memory, Software, OS, networking and GUI. The Mousetop Window GUI is the viewport into the mouse and gateway between the mouse and computer(s). The mouse becomes a computer network where data can be stored and retrieved in the mouse buffer memory, mouse memory or between connected computer(s). Software and licenses can be served from the mouse allowing the sharing of software and licenses across multiple computers in proximity or remotely located. Shared cursor switching, drag and drop data and other interactive functions are available. Profile storage in the mouse allows for multiple configurations of networking or isolating the window. Concepts like keyboard switching, biometric access, child security and numerous other novel concepts are included with this technology. Added physical features like removable memory and connectivity to other hand held technology like iphone or ipad provide expanded communication functionality.
The embodiment of the invention provides a data encryption transmission method. The method is applied to an intelligent terminal, and comprises the following steps of: pre-setting a secret key of corresponding light of data to be transmitted based on visible light wireless communication; obtaining a secret key of emission light of the intelligent terminal based on visible light wireless communication; matching the secret key of the emission light with the pre-set secret key of corresponding light of the data to be transmitted; if matching is successful, transmitting the data to be transmitted by the emission light based on a visible light wireless communication manner; and otherwise, not transmitting the data to be transmitted by the emission light. The embodiment of the invention further provides the intelligent terminal. According to the method and the intelligent terminal in the embodiment of the invention, whether the emission light can transmit the data to be transmitted or not is determined by judging whether the secret key of the emission light and the secret key of the corresponding light of the data to be transmitted are successfully matched or not; the fact that the data is difficultly decoded can be ensured; the malicious data transmission possibility is reduced; the transmission data interception possibility is also reduced; and thus, data transmission is relatively simple and safe.
The invention discloses an indoor positioning and tracking system based on grating matrix technology, comprising an indoor grating arrangement and a monitoring system. The indoor grating arrangement refers to a grating matrix system arranged horizontally or vertically in a room. The monitoring system comprises a data generating transmitting module and a background dataprocessingsystem. The datagenerating transmitting module is integrated with the grating receiving tube, and transmits the state information data of the grating receiving tube to the background dataprocessingsystem in real time. The background dataprocessing system automatically marks and connects the coordinate positions of the continuously moving persons or objects according to the related information to obtain a real-time moving track of persons or objects, and performs the identification confirmation with the identity registration condition of persons or objects entering the room. According to the indoor positioning and tracking system based on grating matrix technology, the grating matrix of the system is simple to construct, small in investment, accurate in positioning and good in popularization prospect.
One or more embodiments of the invention allows a customer to use a uniform graphical user interface instead of multiple, discrete processingsoftware applications and discrete hardware peripherals with different graphical user interfaces to enter data, perform workflowprocessing, validate the data entered and guide the customer with instructions. One or more embodiments of the invention simplifies the transfer of data between different applications / systems which are used in a workflow process, simplifies the entry of data by reducing or eliminating the need to reenter the same data, provides validation of the data entered by the customer and guides the customer with instructions. The data may also be transferred from one discrete hardware peripheral to another peripheral or a third partysoftware application and increases customer ease by presenting the user with a uniform graphical user interface.
The invention discloses a radio data service access method, system and device. The method comprises a radio frequency module and a radio link control (RLC) protocol layer processing module, wherein the radio frequency module is used for receiving radio data service request initiated by a data service terminal and then performing service data and service signaling interaction with the data service terminal through a radio air interface; and the RLC layer processing module is used for performing service data and service signaling interaction with an external network for providing radio data service through a network interface and enabling the data service to access to the external network. Through access nodes, the data service terminal can simply and conveniently access the external network with low cost, and the large-quantity high-speed data transmission requirement of radio data service can be met.
The invention relates to the technical field of signal connectors, in particular to a multifunctional connector which comprises a male seat and a female seat. The male seat and the female seat respectively comprise an insulating body, a plurality of metal terminals and a metal shell, the metal terminals are mounted on the insulating body, the metal shell is sleeved outside the insulating body, and the male seat and the female seat are respectively provided with thirteen metal pins. Thirteen pins needed by HDMI (high definitionmultimedia interface) technical protocol, five pins needed by MHL (mobile high-definition link) technical protocol and nine pins needed by USB3.0 technical protocol can be covered, the three technical protocols are unified to form a plug specification, electronic information equipment manufacturers can conveniently unify plugs, and cost caused by different joint specifications is reduced.
An integrated temperature and humidity control device includes a temperature and humidity sensing element, a temperature and humidity sensing transmission interface, a computation processing module, a communication interface, and a display interface which are integrated with each other. The device performs local and remote fab temperature and humidity control simultaneously and allows on-site display of temperature and humidity levels at the fab. Accordingly, the device enables convenient simultaneous control and display of temperature and humidity levels and simplifies the layout thereof.
This invention discloses a kind of data acquisition and liquid crystaldisplay device. It concludes: a chip computer communicating with the epistatic computer through the interface, the input connecting the eight circuits analogue signal, then output to the first to eight operational amplifier of the AD data converter and then transfer the analogue signal from the first to eight operational amplifier to digital signal after that through the bus and the AD data converter connecting with the chip computer; the real-time clock connecting with the chip computer through the SPI bus and the LCD interface connecting with the chip computer through the data bus of which output reaches the liquid crystal indicator and through the logic device to the indicator also mounts a switch negative pressure generator connecting with the LCD interface; and a door dog, EEPROM, and avoltage monitor connecting with the chip computer. This invention adopts the electronic switch and operates automatically and it can realize the eight channels data acquisition.
The invention provides a data caching method and device, a data using method and device and a terminal, and is characterized in that a terminal video memory is provided with a first-level cache regionfor caching an image for an application under the condition that the terminal utilizes a multi-level cache region to cache the image for the application. Under the condition that the terminal uses the multi-level cache region as the application cache image, the terminal video memory is used for replacing the memory cache region as the first-level cache region, and then the terminal video memory is used for caching the image. The application does not need to divide a part of memory space in the preset data volume memory to cache the image, so that the problem caused by the fact that the application consumes more memory cache images is thoroughly solved. Besides, the capacity of the terminal video memory is far larger than that of the memory cache region, so that more images can be stored compared with the memory cache region, and the hit rate of the first-level cache region is increased.
The invention discloses a multi-sensor data sharing method in a cluster environment. The method comprises the steps that (1) system working parameters are set; (2) acquisition time of a single piece of original sonar echo data is calculated, the number of maximum sensor data in a corresponding time period is determined, and initial storage space is distributed; (3) data uploaded by all sensor nodes is received and stored; (4) when collection of a single piece of sonar data is completed, current sensor data is ordered according to collection time, then the sensor data in the corresponding time period of the currently collected sonar data is intercepted, and data packing operation is performed; (5) sending times are calculated, and the sensor data is sent to a subsequence data receiving thread according to a fixed size and the sending times; and (6) the data receiving thread completes data receiving, performs unpacking and then performs subsequent signalprocessing. According to the data sharing method, the sensor data can be easily shared between different threads, expansion is easy, and limitation of the type and number of the sensor data is avoided.
In one aspect an arrangement for data transmission between an image source and an image reproducing system is build, with digital R / G / B video signals being able to be fed to the image reproducing system via an R / G / B path pair in each instance and a communication signal. Measures are proposed which reduce the transmission time required to transmit large data volumes in a communication operating mode.
The invention provides a method for realizing data transmission among different brands of PLC. The method comprises the steps: building communication connection between a man-machine interface and each PLC in various brands of PLC systems; in the man-machine interface, defining a source tag pointing to the read data and a destination tag pointing to read data respectively; and in the man-machine interface, a value of the source tag is given to a destination tag to realize the data transmission between PLC reading data and a PLC of which data is read. The method can conveniently realize the data transmission among different brands of PLC.
The invention relates to a wireless-sensing photoelectric-type automatic separation device for oil-water discharge. The wireless-sensing photoelectric-type automatic separation device comprises a separation valve used for oil-water discharge, at least one group of photoelectric sensors, a signalprocessing and operating module and a valve opening-closing controller, wherein the separation valve is installed at the outlet of an oil storage tank or at the outlets of other oil-water discharge devices; the photoelectric sensors are installed at the inlet end of the separation valve; the photoelectric sensor comprises an infraredlight source and a photoelectric detection apparatus for receiving the infraredray emitted by the infraredlight source; the photoelectric detection apparatus transmits an output signal to the signalprocessing and operating module; the signal processing and operating module processes and operates the signal and then sends a control command to the valve; the valve can be automatically opened and closed according to a set threshold; and a wireless module realizes monitoring on the oil storage amount according to the opening time and the closing time of the valve. The automatic separation device has the advantages of being simple in structure, high in accuracy, and low in cost.