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101results about How to "Simple data transfer" patented technology

Method for data transmission between a pump assembly and a control device, as well as a correspondingly designed pump system

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 transmission signal (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.
Owner:GRUNDFOS MANAGEMENT AS

Wide area protection control measurement system and method

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.
Owner:KK TOSHIBA

Method for monitoring closed circular coal yard optical fiber temperature and optical fiber monitoring device

The invention discloses a method for monitoring closed circular coal yard optical fiber temperature. In the method, optical fiber temperature sensing cables in the optical fiber monitoring device are paved by adopting a linear or U-shaped annular disk form with a mode of uniformly distributing and paving the optical fiber temperature sensing cables along one circumference of a coal retaining wall; the optical fiber temperature sensing cables are arranged on the coal retaining wall at intervals of 1 to 2 meters; a background service system of an optical fiber sensing analyzer acquires temperature information of positions where the optical fiber temperature sensing cables reach; a user remotely controls an operating system on an upper computer of a coal conveying program control room through an Ethernet network; stored data is output through a display and a printer; an industrial personal computer concentrated graphic monitoring and displaying system is adopted; and an alarm signal is transmitted to a programmable logic control (PLC) cabinet in the coal conveying control room. By the method, a fire situation and a temperature situation of a detected region of the coal retaining wall can be comprehensively, continuously and dynamically monitored in real time and on line; the detection range is large; and the type of an accident, the position of the accident and the size of a disaster area can be judged timely and accurately; and a temperature state of any point can be displayed accurately at any time.
Owner:宋志军

Method of manufacturing a multiple of identical gears by means of cutting machining

The invention relates to method of manufacturing a multiple of identical gears by means of cutting machining, in particular hob cutting or hob grinding, on a gear-cutting machine, wherein workpieces are machined by means of a rotating tool which is brought into engagement with the workpiece via the control of NC axes of the gear cutting machine. In accordance with the invention, deviations from workpiece to workpiece are compensated by a respective different control of at least one of the NC axes of the gear cutting machine.
Owner:LIEBHERR VERZAHNTECHNIK GMBH

Sensor time synchronization

A sensor for acquiring measured values and for outputting data samples having at least one first register for storing a sensor time, which includes time information on phase position and / or period of the data samples, the first register being readable out externally. The sensor includes at least one second register, which is writable on externally, and by which the phase position and / or the period of the data samples is able to be set in the sensor. Also described is a sensor system having at least one sensor and an external control unit by which at least the first register is readable and at least the second register is writable. Also described is a sensor-fused system having at least one sensor system having at least two sensors. Also described is a method for setting the phase position and / or the period of data samples in a sensor system or a sensor-fused system.
Owner:ROBERT BOSCH GMBH

Data encryption transmission method and intelligent terminal

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.
Owner:VIVO MOBILE COMM CO LTD

Power equipment remote intelligent on-line temperature measurement system

The invention discloses a power equipment remote intelligent on-line temperature measurement system. A temperature measurement module installed at a power equipment implicit connection part is utilized to carry out three-phase temperature measurement, a temperature measurement signal passes through a signal coding sending and receiving module, after an analog signal is converted into a digital signal, by utilizing Internet of things transmission technology Zigbee, a temperature measurement digital signal code is sent to a data analysis processing module, after data analysis processing module stores information, three-phase temperature comparison and ambient temperature comparison of each loop and temperature comparison between loops in equipment are carried out, if temperature of a phase is higher than temperature of the other two phases or three-phase temperature of a loop is higher than three-phase temperature of other loops, the data analysis processing module determines that the phase or a loop connection position has heating abnormity, a remote communication module carries out remote transmission of data obtained by the data analysis processing module to a data display module and a heating alarm module, and the data display module and the heating alarm module carry out heating information data displaying and alarming at a remote terminal.
Owner:NANYANG POWER SUPPLY COMPANY OF STATE GRID HENAN ELECTRIC POWER

Synthetic aperture sonar multi-sensor data sharing method in cluster environment

ActiveCN107168809ASimplify multi-type sensor data transferSimple sharingInterprogram communicationCollection TimeData sharing
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 signal processing. 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.
Owner:NAVAL UNIV OF ENG PLA

Arrangement for data transmission between an image source and an image reproducing system

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.
Owner:EIZO

Wireless-sensing photoelectric-type automatic separation device for oil-water discharge

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 signal processing 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 infrared light source and a photoelectric detection apparatus for receiving the infrared ray emitted by the infrared light source; the photoelectric detection apparatus transmits an output signal to the signal processing 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.
Owner:江阴智产汇知识产权运营有限公司
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