30results about How to "Implement telemetry" patented technology

The invention discloses an on-line monitoring device and method for the corona discharge of an ultra-high voltage power transmission line. The on-line monitoring device comprises a sensor unit, a signal conditioning unit, a signal processing unit, a wireless communication unit, an upper computer monitoring unit, a system failure diagnosing unit and a system power supply unit. The on-line monitoring method comprises the following steps of: carrying out signal acquisition for the field working state of power transmission equipment by the sensor unit; transforming data types through the signal conditioning unit to obtain a useful signal which can be identified by a CPU (Central Processing Unit) of the signal processing unit; sending the processed data to the wireless communication unit through a serial port by the signal processing unit; and receiving the data and carrying out failure diagnosis by an upper computer server so as to give the current operation state of the equipment, equipment parameters and a failure diagnosis result.

A rotary dynamic milling torque measurement instrument comprises a milling tool, a tool handle, a power supply system and a signal transmission system; wherein the tool handle is integrated with a torque sensor which comprises a sensitive element directly processed on the tool handle, a resistance strain foil bond on the sensitive element and a signal correction circuit connected with the strain foil; the signal correction circuit amplifies and outputs the signals generated by the strain foil to the signal transmission system connected with the signal correction circuit; the signal transmission system receives the signals output by the signal correction circuit and transmits the signals in a wireless transmission way; the power supply system adopts an electromagnetic induction way to supply power for the sensor. The invention integrates the torque sensor in the tool handle, so that the tool handle is provided with the torque measurement function, simple structure and convenient manufacture; the sensor power supply of the invention ensures the power supply not to be influenced by the tool handle rotation; and the wireless signal transmission way of the invention can cause the signal receiving end to depart from the cutting area appropriately.

The invention discloses a photoacoustic spectroscopy telemetering method and device based on a micro quartz tuning fork optoacoustic effect. The method comprises the following steps of: modulating continuous light of which the wavelength changes continuously into light of which the light intensity changes according to a certain frequency, and irradiating the light of which the light intensity changes to an object to be tested; collecting light reflected by the object to be tested by a concave mirror, and irradiating the collected light to a micro quartz tuning fork, wherein the amplitude of the micro quartz tuning fork changes along with the wavelength of incident light waves; and irradiating an arm of the micro quartz tuning fork by another beam of laser, wherein the light spot position of the reflected laser beam moves along with the vibration of the micro quartz tuning fork, the reflected light is irradiated to a light spot position detector after the light path of the reflected light is lengthened through a folded path, the amplitude size of the micro quartz tuning fork can be obtained by detecting the movement of the light spot, and the absorption spectrum of the tested object can be obtained by continuously changing the output wavelength of a variable wavelength laser. The method does not need sample preparation and pre-concentration processes or a photoacoustic cell, and can be used for directly and remotely measuring objects in an open environment.

The invention relates to a distributed type power supply parameter monitoring method and system based on a GPRS/GIS. The system comprises a remote collection terminal, a GPRS/SMS data communication unit and a distributed type power supply monitoring center, and the remote collection terminal is in data communication with the distributed type power supply monitoring center through the GPRS/SMS data communication unit. The method and system can finish integration of GIS spatial data and telemetry and telecontrol relational data, and the target of the distributed type power supply parameter online monitoring system is achieved; the system regards a public wireless data communication mode as a data transmission means, telemetry and telecontrol are achieved with a low cost, and meanwhile the system flexibility and adaptability are represented; the system achieves online detection on distributed type power supply parameter change situations, working states of distributed type power supplies can be monitored at any time in a remote monitoring mode, the whole distributed type power supply system can be in the optimal working state with assistance of an auxiliary decision and analysis system, and the monitoring function is played to the maximum extent.

The invention discloses a system for emergency communication in mine production which includes a server, an exchanger, a monitoring terminal, a base station, a repeater and a leakage cable; the base station connects with the server through the exchanger, the monitoring terminal for location video monitoring person and tracking vehicle is connected between the base station and the exchanger; the base station connects with the leakage cable leading to the mine, the base station sends signal to the mine through the leakage cable, a pair of repeaters are set at a certain distance away on the leakage cable with long distance for processing filtering and compensating to signal. The method uses the repeater with 450MHz frequency band which can filter various noise in transmitting process by using the inner duplexer, and process amplifier compensation to the useful sign. The 450M frequency band has wide band that realize data transmition for voice signl under the mine, vehicle tracking, person location and railroad switch control.

The invention discloses an optical fiber type high-precision tension detection device, which comprises a shell and pulleys arranged at the upper part of the shell, wherein two of the pulleys are arranged at the two sides and are fixedly connected with the shell through fixed rods, the rest middle pulley is positioned between the two pulleys and is fixed on the upper end of a transmission rod, the transmission rod is arranged on the shell, the shell is also internally provided with an optical fiber curved sensing unit, the optical fiber curved sensing unit comprises signal optical fibers, a curved testing passage for the signal optical fibers to pass through and a testing unit butted with the signal optical fibers, the testing unit is also connected with a processing unit, and the curved testing passage also comprises a curved bracket, and a plurality of deformation teeth I and a plurality of deformation teeth II which are continuously arranged at opposite two sides in the curved bracket, and are in corresponding staggered arrangement, and the signal optical fibers are arranged between the deformation teeth I and the deformation teeth II. The optical fiber type high-precision tension detection device disclosed by the invention has the advantages that the design is reasonable, the manufacture is convenient, the suitability is strong, and the measurement to the tension of a cable can be realized.

The invention discloses an overlay network-oriented lightweight in-band network telemetering method and the method comprises the following steps: S1, packaging an IP message, so as to obtain a detection data packet so that the detection data packet sequentially collects the ID of underlay equipment along the way and the link state information of an equipment port side; S2, analyzing the detection data packet; S3, starting to traverse by taking any equipment in the Overlay network as a root node to obtain a non-overlapping detection path; S4, performing control according to the detection path in the step S3 to obtain a customized detection data packet forwarding path; and S5, after the detection data packet reaches the end point, storing and querying the acquired network monitoring information. The invention also provides an overlay network-oriented lightweight in-band network telemetering device and a storage medium, and lightweight Overlay network monitoring can be realized with lower overhead.

The invention relates to a vibration measurement apparatus based on a laser speckle of a polarized singular-point light beam. With the apparatus, a problem that non-destructive telemetering of vibration information can not be realized in the prior art can be solved. On the basis of the principle of laser speckle excitation by the polarized singular-point light beam and combination with a vector-light field coherent technology, a vector light field coherent technology passes through a light splitter and then irradiates a detected zone; a singular-point light beam laser scattering effect is generated by the detected zone; and a laser speckle passes through an out-of focus optical imaging system to carry out transmission. Another polarized singular-point light beam after light splitting passes through two wave plates; horizontal polarized distribution control is carried out and then reflection is carried out by a reflection element; an overlapped area with a laser speckle light filed exists to form an interference light field; and a photoelectric sensor detects the interference light field information and vibration information is obtained based on information processing. According to the invention, the vibration measurement apparatus has characteristics of non-contact detection, non-destructive detection, remote measurement realization, adjustable performance, high sensitivity and reliability, good anti-interference capability, wide frequency response characteristic, high information quantity, easy system construction, convenient usage, and wide application range and the like.

The invention discloses a hydrogen detection system. The hydrogen detection system adopts an ultrasonic resonant cavity sensor to detect the hydrogen concentration, hydrogen enters a resonant cavity, by means of the characteristic that the resonance frequency changes due to change of the sound wave conduction velocity, the hydrogen concentration is obtained, and the sensitivity is high; wireless transmission modules are arranged at a detecting terminal and a receiving terminal, remote hydrogen detection is realized, and multi-location hydrogen detection can be realized.

The invention discloses a frozen soil subsidence method and apparatus, relating to geotechnical engineering deformation monitoring. The concrete method is described as follows: (1) drill vertically in frozen soil monitored and choose measuring point; (2) measuring wire which is stainless steel wire rolled on pulley, with one end fixed on the measuring point and another fixed with weight drop; (3) on the measuring wire of hole outlet, clamping device for installing photocoupling CCD sensor which can obtain information of subsidence of the measuring point is fixed; (4) use special apparatus to show, transmit and record information of subsidence information. The apparatus is consisted of frozen soil drilling digital sensor (A), CCD digital data collection instrument (B), lightwave fiber converter (C), lightwave fiber (D), dual-ring optical transmitter and receiver (E) and PC computer (F), realizing frozen soil subsidence remote measurement under complex circumstance, besides, it can also be used in eotechnical engineering deformation monitoring, the device has tructure simple, high accuracy, good stability and convenient operation.

The invention relates to a dissolved-oxygen monitoring sensor, including filter net, cathode, shell with top cover, anode, thermistor and oxygen transmitting film, where the side wall of the shell is set with electrolyte filling mouth, under which is the oxygen transmitting film installed, and the shell above the oxygen transmitting film holds the electrolyte; the cathode, anode and thermistor are installed in the shell, where the anode is a spiral structure, the cathode is a structure formed by linking the ring with the straight line, the cathode, anode and thermistor are linked with external cable through the electrode lead wire hole, air gap and sealed plug, respectively; under the oxygen transmitting film, the filter net is installed by the shield, and a liquor storing cavity is formed between the oxygen transmitting film and the filter net.

The invention provides a deep space information network dynamic management and control system, which comprises a ground and near-earth space network module used for dynamic access management and control of various spacecrafts in an earth-moon space; a lunar surface and lunar ring network module which is used for managing and controlling various detectors on the back lunar surface or spacecrafts running to the back lunar surface; and a Mars surrounding and Mars surface network module which is used for realizing wide-area coverage of the Mars and supporting access of various detection terminalson the Mars and data relay service. According to the management and control system, the deep space main control network nodes are arranged in multiple layers and multiple airspaces, unified managementand control are carried out on users within the capacity coverage range of the deep space main control network nodes, and the management and control efficiency is improved. The architecture has the characteristics of strong expansibility, high management and control efficiency, strong management and control timeliness and the like, and can support lunar exploration, lunar surface environment monitoring, Mars exploration and related scientific research work.

The invention discloses a 10KV power distribution network electricity larceny preventing bolt sensing system comprising a terminal sensing system and a main station system. The terminal sensing system is arranged on a user ammeter end. The terminal sensing system comprises a pressure sensing device composed of a bolt, a gasket and an annular force cell, a CPU chip, a relay and a micropower power supply. The CPU chip is provided with a signal acquisition unit connected to the annular force cell, a cipher program unit connected to the relay, a communication unit and a control unit connected to the various units. The main station system is arranged on the center of a power distribution network, and comprises a power distribution network monitoring work station, a data processing work station, a telephone repair reporting work station and an information communication work station used for communication connection. According to the invention, through analysis of pressure changes after a fastening ammeter is screwed tightly by the bolt, private ammeter opening and electricity larceny behaviors are monitored in remote, and the behaviors can be stopped through automatic power-off. The electrification will only be recovered after decryption. Emphasis of monitoring can also be carried out certain ammeters. The 10KV power distribution network electricity larceny preventing bolt sensing system is energy saving and environment friendly.

The invention discloses a hyperspectrum-based ship tail gas measurement system. The system comprises a hyperspectral data acquisition module, a data preprocessing module and a spectral analysis module, wherein the hyperspectral data acquisition module comprises a hyperspectral camera for line scanning and a common camera provided with a high wide-angle lens; the common camera is used for positioning a target ship; the hyperspectral camera is used for carrying out real-time line scanning to acquire spectral data of target ship tail gas; the data preprocessing module is used for preprocessing the acquired hyperspectral image data; the spectral analysis module is used for analyzing and processing the preprocessed hyperspectral image data, a multi-dimensional time sequence ship tail gas spectral analysis model based on a support vector machine is arranged in the spectral analysis module, and the multi-dimensional time sequence ship tail gas spectral analysis model inputs the hyperspectralimage data of the target ship tail gas and outputs the component data of the tail gas. The invention further discloses a hyperspectrum-based ship tail gas measurement method. The spectral analysis model is established based on the support vector machine, and the identification speed and accuracy are improved.

A telemetering and remote signaling power monitoring and fast fault diagnosis system is composed of a sensor group, an on-off state output device, a current and temperature display instrument, a set of communication equipment and a background server. The server group is installed on a cable needing to be monitored; the on-off state output device is installed in the position of a switch or a relay; the current and temperature display instrument is installed in a position convenient to view; the communication equipment is usually installed in a special electric cabinet; the background server is arranged in a power grid machine room. The sensor group sends acquired temperature and current values to the current and temperature display instrument and the communication equipment through optical fibers, and the communication equipment receives data sent by the sensor group and acquires the on-off state and then sends the data and the on-off state to the background server. The telemetering and remote signaling power monitoring and fast fault diagnosis system integrates the modern computer technology, the communication network technology and other technologies, equipment on a power distribution network can be remotely metered and signaled in real time, and the telemetering and remote signaling power monitoring and fast fault diagnosis system is a power monitoring and diagnosis device scientific in structure, convenient to use and safe to operate.

The invention relates to a laser-sensing-based multi-parameter detection method. With the method, a problem that simultaneous detection of concentration and vibration can not be realized in the prior art can be solved. According to the invention, on the basis of laser environment sensing, a spectrum detection principle and a laser speckle effect are combined; and a laser beam irradiates a detected area and a laser speckle passes through an optical imaging system and is detected by a two-dimensional photoelectric sensor. With the out-of-focus imaging technology, the speckle information detected by the two-dimensional imaging photoelectric sensor is processed, thereby realizing measurement of the mechanical vibration characteristic of the detected area. An intensity photoelectric sensor is used for detecting a scattered light signal; and a second-harmonic absorption spectrum analysis algorithm is used to obtain gas concentration information at a path where the light beam passes. The provided multi-parameter detection method has the following characteristics: non-destructive testing and telemetering are realized; detection of object concentration and vibration parameters is realized based on different physical detection principles; the sensitivity and signal to noise ratio are high; shapes and materials of detected objects are diversified; the information content is high; the system is easy to construct; the application range is wide; and the functions are easy to expand and the like.

The invention discloses a contact box with online ground fault detection and three-remote functions. The contact box is arranged in a KYN61-40.5 intermediate switch cabinet and comprises a background management module, a detecting and sending module, an alarm module and a sensing module. The contact box with the online ground fault detection and three-remote functions has the advantages that the contact box succeeds in mastering three-phase current and zero-sequence current change information in real time, discovering ground fault timely and achieving remote telemetering, telesignalization and relevant telecontrol of ground faults of the switch cabinet and can guarantee that safe and stable operation of the switch cabinet cannot be affected by existence of the ground faults, so that power supply reliability is improved effectively.

The invention discloses a power electronic automation control system, which comprises a control terminal, a data acquisition processor, an electronic power system, an electronic transformer, a circuit breaker and an alarm system, and is characterized in that the control terminal is connected with the data acquisition processor and the alarm system; the data acquisition processor is respectively connected with the electronic power system, the electronic transformer and the circuit breaker, the control terminal is connected with the Bluetooth module through the wireless communication module, the wireless communication module is connected with the Internet of Things system through the signal transmitter, the Internet of Things system is connected with the remote control end through the signal receiver, and the remote control end is connected with the control terminal through the signal receiver. The Internet of Things system is also connected with the mobile operation end; the Internet of Things system comprises an Internet of Things terminal, a security module, an information transmission network, an operation and maintenance security supervision platform and an Internet of Things server, and the control module is connected with the power-off module. Fault information of the electronic power system can be fed back in time, so that technicians can maintain the system in time conveniently.

The invention discloses a remote signaling converter of a power switch position, belongs to an improvement of a power switch structure, and solves the problems that the remote monitoring of power clients can not be realized and the electricity cost can not be charged in time and in full amount, which affects the economic benefit of power enterprises. The remote signaling converter of the power switch position is characterized by consisting of resistors R01, R02, R03, R1, R2 and R3, a capacitor C and a bidirectional photoelectric coupler GO; one terminal of the resistor R01 and one terminal of the resistor R02 are respectively connected with an input terminal of the bidirectional photoelectric coupler GO; the resistor R03 is connected with the input terminal of the bidirectional photoelectric coupler GO in parallel; one terminal of the resistor R2 and one terminal of the resistor R3 are respectively connected with an output terminal of the bidirectional photoelectric coupler GO; the resistor R1 is connected with the output terminal of the bidirectional photoelectric coupler GO in parallel; two terminals of the capacitor C are respectively connected with one terminal of the resistor R2 and one terminal of the resistor R3. The remote signaling converter of the power switch position has the advantages of remote metering, remote signaling and remote controlling the information of the power client side, assuring timely and full charging of the electricity cost, and maintaining the benefit of the power enterprises and the clients.