82results about "Wired architecture usage" patented technology

The safety systems for commercial blasting operations include wireless transmitter system(s) configured to send command signals wirelessly to wireless devices that are configured for wireless electronic blasting (web). The system also includes disable antenna(s) that define deactivation zone(s): vehicle / personnel presence detector system(s) including detectors that define detection zone(s), and / or RFID scanner system(s) with reader antennas that defined scanner zone(s); and a safety control system in electronic communication with the wireless transmitter system(s), and the vehicle / personnel presence detector systems and / or the RFID scanner systems, wherein the safety control system is configured to control the wireless transmitter systems to send wireless disable command(s) to disable the wireless devices that are within the deactivation zones, and / or to control alarm system(s) to generate alarms, in response to a vehicle / person being detected in the detection zones and / or a wireless device being detected in the scanner zones.

The present application discloses a method and a device for notifying a power disconnection. The invention relates to a method and a device for transmitting a message from a first node device to one or more node devices that are neighbours of said node device, said node devices belonging to a power supply network using power lines and radio communication. According to the invention: - said first node device detects (E40) a disconnection of an electricity supply, - said first node device checks (E42) in a routing table if it is connected to a neighbouring node device by a radio link, - if yes, said first node device sends (E43) a unicast message to said neighbouring node device by said radio link indicating a disconnection of said electricity supply to said first node device, - if no, said first node device sends (E44) a radio broadcast message indicating that said first node device detected a disconnection of said electricity supply.

The invention relates to the technical field of oil-gas exploration logging, provides a logging work data real-time transmission system and method based on an embedded structure, and aims to solve the problems that in the prior art, data transmission is insufficient in real-time performance, a logging system is difficult to troubleshoot, and the data transmission efficiency is low. And the technical problem that the ground decoding board only supports cable communication of a single modulation mode is solved. Comprising a downhole instrument used for collecting original logging electric signals; the mode transformer is used for performing impedance matching processing on the original logging electric signal to obtain a preprocessed logging signal; the amplifier module is used for performing method processing on the preprocessed logging signal to obtain an amplified logging signal; the A / D conversion module is used for converting the amplified logging signal into a digital signal from an analog signal to obtain a digital logging signal; the modulation-demodulation module is used for decoding the digital logging signal to obtain a decoded logging signal; and the network communication module is used for uploading the decoded logging signal to logging acquisition software of an upper computer in real time.

The invention relates to the technical field of remote control, and discloses a remote control method for underground equipment, which comprises the following steps: constructing an edge-cloud collaborative decision architecture, reading real-time data by an edge node to obtain equipment operation and chamber environment data, and comparing the data with a preset equipment safety threshold; acquiring working condition data, calling historical operation data of cloud equipment, judging whether to adjust safety thresholds such as a power upper limit of a charger, and if so, adjusting; triggering an alarm and adjusting parameters when the real-time data exceeds a threshold value, calling maintenance historical data and combining the maintenance historical data with the periodic environment data of the chamber to predict the residual life of the equipment, and scheduling standby equipment for replacement when the equipment reaches the life; calling a fault early warning model, inputting real-time data to obtain an early warning result, generating a state report in combination with last maintenance data, and pushing the state report to ground operation and maintenance personnel through networking; before an instruction is issued, an edge node lightweight digital twin engine is started to simulate an execution effect, and the instruction is issued after parameters are corrected. According to the invention, the safety and efficiency of remote control of underground equipment can be improved.

The invention relates to a method (300) for protecting a signal (105) for transmitting a sequence of measurement values (110) to a signal processing unit (115). The method (300) comprises the steps of reading (310) at least one sequence of measurement values (110) of a sensor (120) and processing (320) the measurement values (110) by using a cyclic processing rule (135) in order to determine a changed measurement value (110') for each of the at least two measurement values (110). Finally, the method (300) comprises the step of transmitting (330) the changed measurement value (110) as the measurement value (110) of the sensor (120) to the signal processing unit (115).

The invention discloses a multi-mode communication system suitable for a high-voltage zero-measuring robot system. The multi-mode communication system comprises an unmanned aerial vehicle, a robot unit, a ground base station, a mounting connection unit and a pilot assistant. LRWIFI communication is adopted between the robot unit and the ground base station. LORA communication is adopted between the mounting connection unit and the pilot assistant. LORA communication is adopted between the mounting connection unit and the ground base station; and the LRWIFI antenna of the ground base station adopts a directional gain design and points to an operation area of the robot unit. Through accurate analysis of communication requirements among different devices, an adaptive communication mode is selected and reasonable arrangement is carried out, so that stable, efficient and safe data transmission among the devices in a high-voltage environment is realized.

This invention discloses a smart energy meter data acquisition device, method, equipment, and storage medium for carbon emission metering, relating to the fields of power system and carbon emission management technology. It includes a carbon emission hardware calculation circuit module that verifies frozen data and regional-level carbon emission factors and line loss power from the upper-level node to generate carbon emission data; a first non-volatile processor that stores the carbon emission data; and a second non-volatile processor that serves as a backup for the first non-volatile processor and stores frozen electricity data. The device of this invention expands the carbon emission metering function at low cost through the idle RS485 ports of existing smart energy meters, generates dynamic carbon emission factors through local calculation, accurately calculates carbon emission data, improves data accuracy, real-time performance, and reliability, reduces the burden of centralized calculation, lowers system transformation costs, supports large-scale application, and effectively promotes low-carbon transformation and green power management.

The invention discloses an electric energy meter data adaptive fragmentation transmission communication method and system based on multi-dimensional perception, and the method comprises the steps: enabling an intelligent electric meter to extract the fingerprint stability characteristics of a power supply voltage waveform, detecting a load switching edge event, generating perception data, and uploading the perception data; the concentrator generates a channel quality map reflecting a physical channel state of a power grid according to sensing data of each electric meter, and generates and issues a dynamic fragmentation strategy parameter defining a corresponding relation between a channel quality grade, a network load grade and a recommended fragmentation size and an error correction coding scheme in combination with a real-time network load state; the intelligent electric meter generates a final transmission strategy according to the voltage fingerprint characteristics, the load event and the strategy parameters in combination with the key level of the to-be-transmitted data; processing to-be-transmitted data into fragments according to the strategy, and sending the fragments; the concentrator receives and decodes the data fragments to obtain reading data. The method can be adaptive to channel and network changes, and the copying and reading reliability and efficiency are improved.

The invention relates to the technical field of communication machine room monitoring, in particular to a communication machine room equipment parameter acquisition system based on multi-protocol compatibility, which comprises a plurality of pieces of equipment to be monitored, a monitoring unit, a processing unit, a server, a database and a monitoring center. According to the system, collected multi-protocol parameters are subjected to preprocessing such as analysis, packaging and compression; the transmission performance state is judged by calculating the transmission duration characterization value and comparing the transmission duration characterization value with a preset threshold value; the compression rate is adjusted based on the judgment result, the minimum unpacking byte is further adjusted according to the compression effect, unified processing of multi-protocol parameters, optimization of transmission performance and adjustment of the compression rate are achieved, and the collection efficiency, the transmission stability and the resource utilization rate of communication machine room monitoring data are effectively improved.

The utility model relates to a safety device. Various embodiments of voltage detection devices and related safety systems are provided. In various embodiments, a voltage detection device is configured to be coupled to a safety headgear and to detect a distance and / or direction to an object having an electrical current. In various embodiments, the voltage detection device is detachably coupled to the safety headgear.

The invention discloses a dual-channel master control device and a control method for intelligent devices in a large commercial place. The device comprises a multi-protocol access module, a network configuration module, a device learning module, a dual-channel control module and the like. The method comprises the following steps: accessing intelligent equipment through Lora, Bluetooth and other multi-protocols, and collecting operation and environment data; aP network distribution and wired / wireless network access are supported, and visual management and power-off memory of sub-devices are realized; automatically learning sub-device information and establishing a dynamic file; local UDP and cloud Wi-Fi dual-channel control is constructed, and reliable execution of an instruction is guaranteed; scenarized configuration and multimode triggering are supported, an instruction retransmission fault-tolerant mechanism is configured, and the operation state is output in real time through a serial port. According to the control method, equipment management and control are achieved through the steps of initialization, data collection, configuration management, instruction execution and the like. The scheme is compatible with multiple types of equipment, rapid in control response, stable in operation, simplified in management process, reduced in maintenance cost, and suitable for centralized management and control of intelligent equipment in large commercial places.

The application discloses a novel communication vehicle integrated system and relates to the field of communication networks.The application realizes the innovation of the communication vehicle integrated mode through two-stage reconstruction of a physical layer and a protocol layer.The communication equipment is modularly designed and arranged on a modular bearing platform, and the interconnection cable between the equipment is built into the modular equipment bearing platform and used for connecting the modular equipment arranged on the modular equipment bearing platform.The bus type wiring mode is adopted inside the modular equipment bearing platform, and the modular equipment bearing platform mainly comprises five buses, namely, a switching bus, a management bus, a clock bus, a password bus and a power supply bus, so that the five buses can be integrated for the modular equipment arranged on the modular equipment bearing platform and can provide five connections, namely, information exchange, health management, clock information, password management and power supply management.The number of the integrated cables of the communication vehicle can be greatly reduced.

A leak in the membrane of a generally horizontal roof support deck includes dividing the membrane into separate zones and locating a sensor to detect moisture underneath the membrane. A unique digital code address is assigned to sensor where inputs of the sensors are connected to a single power and signaling cable system using a daisy chain. The serial bus controller is to interrogate each of the sensor devices using the address to identify zones where moisture is detected. A transmitting antenna is provided at each sensor which is switched on when moisture is detected for detecting of the sensor from above the membrane by a utility locate device to confirm the location of the sensor.

The invention provides a radio frequency test control system and a radio frequency test method. The radio frequency test control system comprises an upper computer used for sending a control instruction of a radio frequency test task; the data processing system is connected with the upper computer and used for providing level and time sequence control for the radio frequency test task and generating a path switching instruction of the radio frequency test task based on the control instruction; the test daughter board is connected with the data processing system and used for providing a radio frequency test task test piece so as to execute a radio frequency test task; the coaxial switch is connected with the test daughter board and used for switching a radio frequency test path based on the path switching instruction; the data acquisition system is connected with the test daughter board through a coaxial switch, communicates with an upper computer through a network, and is used for acquiring test data of the test piece and sending the test data to the upper computer; and the power supply system is used for providing a plurality of working power supplies with different voltages so as to provide working voltages for the radio frequency test control system.

The application discloses a multi-parameter target range testing system and testing method based on Ethernet, which comprises a plurality of data acquisition and data processing front ends, utilizes optical fiber transmission to realize communication with an upper computer through a switch and adopts an Ethernet transmission protocol; a bore pressure sensor of the data acquisition and data processing front end is fixed on a bore of a weapon to be measured, a pressure transmission pipeline with a cavity is arranged at a connection position of the bore pressure sensor and the bore, a pressure transmission medium is filled in the pressure transmission pipeline, the cavity is arranged between the pressure transmission medium and the bore pressure sensor, and a noise sensor of the data acquisition and data processing front end is arranged around the weapon. A micro processing chip is connected with the switch through a PHY Ethernet circuit, and a storage module is arranged outside the micro processing chip; the upper computer comprises a user terminal and is used for controlling the issuance of instructions and the reception and analysis of testing data. The application can realize high-precision measurement and acquisition of multi-parameter and multi-channel weapon parameters in a complex environment.

A distributed system for measuring electrical power in an electrical installation powered by a cyclical alternating electrical signal, the system including a device for measuring voltages and at least one device for measuring currents suitable for communicating according to a communication protocol. The device for measuring voltages is configured, during a transmission period including a plurality of successive cycles of the electrical signal, to code the samples of voltage, per cycle, to form a codeword and to transmit the codeword to the device(s) for measuring currents. Each device for measuring currents is configured to receive at least two successive communication frames, each frame corresponding to a cycle of the electrical signal; for each frame, to determine and apply a decompression method to obtain N decoded samples of voltage, and to compute a series of power values.

The invention provides a multi-parameter cooperative monitoring and real-time early warning method and device, and relates to the technical field of hydropower station auxiliary system small motor state monitoring, and the method comprises the steps: synchronously collecting the operation data of a small motor through an embedded sensor array; hardware filtering processing is carried out on the collected vibration signals, drift compensation is carried out on the temperature signals based on environment interference characteristics, and calibrated multi-dimensional operation parameters are generated; the fault type and grade are judged through a multi-parameter collaborative analysis algorithm, insulation aging early warning is triggered when the winding temperature change rate is abnormal and no load fluctuates, abrasion early warning is triggered when the bearing temperature or vibration amplitude exceeds a preset threshold value, and winding fault early warning is triggered when the three-phase current unbalance degree exceeds a threshold value; real-time monitoring data and early warning information are transmitted to a hydropower station monitoring system through two channels of the wired communication unit and the wireless communication unit, and linkage control of local sound-light alarm and a remote system is achieved. The system stability is effectively enhanced.

A method of operating a module battery management unit includes randomly selecting one number from among assignable identification numbers in response to an identifier assignment command, assigning the selected number as a temporary identifier, transmitting a first message including the temporary identifier in response to an identifier transmission command , receiving messages transmitted by the other module battery management unit in response to the identifier transmission command, and checking identifiers of the other module battery management unit from the messages, comparing the temporary identifier with identifiers of the other module battery management unit in response to an identifier comparison command , assigning the temporary identifier as a final identifier if the temporary identifier does not overlap with identifiers of the other module battery management unit, and transmitting a second message including the final identifier to the serial communication bus in response to an identifier check command.

A below the surface infrastructure monitoring system includes a polymeric geogrid comprising one or more sensors attached thereto; a sensor pod attached to the geogrid via fasteners and comprising a microcontroller, a wireless communications adapter, and a protective enclosure for receiving signals from the sensors; and a computing network comprising an infrastructure processing engine configured to receive the sensor signals and apply a multi-parameter algorithm using the received signals and data stored in a database to assess subsurface conditions.

An electricity meter (1) arranged to measure electrical energy supplied to a facility by a distribution network (2) comprising a plurality of phases (3), the electricity meter comprising: a communication module (5) arranged to enable communication by power line communication; a switching circuit (10) arranged to selectively connect the communication module (5) to one of the phases; a processor unit (6) arranged to control the switching circuit to connect the communication module to an optimized phase of the phases (3), the optimized phase being dynamically selected to optimize a quality of communication by power line communication.

The invention relates to the technical field of photovoltaic inverters, and particularly discloses a photovoltaic inverter acquisition communication system which comprises a photovoltaic inverter communication platform, a database, a plurality of communication management machines, a plurality of DTUs, a plurality of inverters and intelligent electrical equipment. The output end of the database is in signal connection with the input end of the photovoltaic inverter communication platform, the output end of the other communication manager is in signal connection with the input end of one DTU through a 485 line, and the other DTU is in bidirectional signal connection with one inverter through a 485 line. The system can improve the collection communication speed, improves the power generation efficiency, helps enterprises to better master the power generation condition, integrates various collection technologies and accounting methods, meets the diversified demands of users, improves the working efficiency, is convenient to operate, reduces the learning cost, also guarantees the user data safety, and improves the system reliability.

The present application relates to sewage treatment technical field, disclose a kind of replacement environmental monitoring device and multi-protocol compatible telemetry terminal, including substrate, first guide rail, first sliding table, bearing seat and execution arm, through guide groove-guide wheel linkage structure, using servo motor drive synchronous belt to drive bearing seat to move, make guide wheel roll in V-shaped first guide groove, realize the automatic switching of execution arm water quality sensor in detection position and replacement position;With anti-interference execution arm, layered sampling mechanism, solve the problem of traditional equipment operation cumbersome, detection one-sided, can multidimensional acquisition water quality data and realize maintenance-free cleaning;Telemetry terminal uses industrial-grade MCU, integrates multi-protocol analysis engine, RS485 communication module and Beidou short message double communication module and double energy power supply system, with high compatibility, low power consumption and strong environmental adaptability;The present application realizes detection station automatic switching, multidimensional water quality acquisition and full-link reliable transmission, applicable to sewage plant, city pipe network scene.

The invention relates to an intelligent control system for active monitoring and active fire extinguishing. The MCU of the host is used for setting a condition threshold value and acquiring data, storing and recording the data, transmitting the data through a 4G or 5G network or a Wi-Fi network or an RS485 communication line, a serial server or a router and a server, and monitoring real-time temperature data through a mobile phone APP or a computer APP; an early warning temperature alarm, a cloud server, a mobile phone APP or a computer APP, a TCP / IP protocol, an enterprise central control system or an FAS and a fire alarm system, and a short message or a mailbox or an APP acousto-optic notification designated principal and a fire protection unit. The mobile phone or the computer with network signals can be used for setting the early warning temperature of a monitored area, actively starting the fire extinguishing temperature, actively starting the fire extinguishing mode, monitoring the interval time of data transmission, monitoring the early warning temperature state, notifying the fire extinguishing starting state, and notifying the position of a fault area or an area where fire extinguishing is started.

The invention discloses a digital twinborn intelligent operation and maintenance system and method for atomic oxygen ground simulation equipment, and the system achieves the process automation of equipment operation, the comprehensive perception of an operation state, intelligent prediction and visual management and control through the construction of high-fidelity virtual mapping of physical equipment and the fusion of multi-source real-time data and mechanism simulation data. Therefore, the efficiency, the accuracy, the safety and the intelligent level of the atomic oxygen ground simulation test are improved.

A method for protecting a signal for transmitting a sequence of measurement values to a signal processing unit. The method includes a step of reading in at least one sequence of measurement values from a sensor and a step of processing the measurement values using a cyclical processing specification in order to determine a varied measurement value for each of at least two measurement values. Finally, the method comprises a step of sending the varied measurement values to the signal processing unit as measurement values from the sensor.

A daisy chain breakpoint recovery method, apparatus and device, and a storage medium. The method comprises: acquiring a connection number of front-end sampling chips in a daisy chain, and on the basis of the connection number, determining whether there is a breakpoint in the daisy chain; when there is a breakpoint in the daisy chain, limiting a travelling power on the basis of sampled data before the breakpoint; reconnecting the front-end sampling chips in the daisy chain, such that the daisy chain is restored to normal; and after the daisy chain is restored to normal, acquiring overall sampled data, and restoring the travelling power on the basis of the overall sampled data.

The invention discloses an oil and gas drilling sensor signal sharing device. Wherein the signal distribution box is connected with the logging instrument signal panel, the two shared acquisition machines and the bus, the bus is used for being connected with the logging outlet interface box, one shared acquisition machine is further connected with the logging instrument signal processing unit and / or the logging instrument acquisition system, and the other shared acquisition machine is further connected with the orientation instrument signal processing unit and / or the orientation instrument acquisition system. The analog signal sharing junction box is connected with the direction finder signal processing unit and used for being connected with the vertical pressure sensor and the logging drill floor interface box, and the logging drill floor interface box is connected with the logging outlet interface box. Signal sharing is realized and cost is reduced.

The invention discloses an intelligent sensing device and method for freeze-thaw damage of high-cold and high-altitude concrete, and solves the defects of non-real-time, ex-situ and poor extreme environment adaptability in the prior art. The device comprises a concrete implantable sensing unit, a layered support framework, a multi-element signal acquisition terminal and a plateau enhanced protection system, the sensing unit is divided into a surface layer, a core and a protection layer and is embedded into a monitoring well, and multi-dimensional signals are acquired through a strain film, a phase change trigger module and a temperature and humidity composite sensor; the layered support framework ensures the installation precision and deformation synchronization; the terminal integrates extreme environment protection, signal processing and graded early warning functions; the protection system strengthens well wall and cable protection. According to the method, 10Hz synchronous sampling is achieved through drilling reinforcement and installation connection, in-situ real-time multi-dimensional intelligent monitoring is achieved through signal decoupling, freeze-thaw recognition and frontal surface tracking, damage indexes are quantified, three-level early warning is executed, a steel bar protection layer corrosion special alarm is pushed, an extreme environment is adapted, and key support is provided for safe operation and maintenance of cold region engineering.

The application relates to the technical field of electric power data collection, and provides an electric power data collection re-copying method and device, a concentrator and a storage medium. Electric power data of a target device is acquired in real time through a data collection device, so that the acquired electric power data is subjected to integrity checking according to a preset data monitoring mode; when the electric power data is found to be incomplete, the data type is determined according to a data classification label to determine whether the data is preset key data; for the key data, the emergency degree of the data is determined according to a time effectiveness label; according to the time effectiveness and importance degree of the key data, a corresponding re-copying strategy is formulated; and according to the re-copying strategy and address information, an automatic re-copying operation of the data is performed. The application can reasonably perform automatic re-copying distribution by differentiating different types and key degrees of data, so that the processing efficiency of data abnormalities is improved, and the time effectiveness and continuity of electric power data are ensured.

Power from an external circuit is effectively utilized. A two-wire transmitter connected to the external circuit via two transmission lines operates using an input voltage and a current signal supplied from the external circuit, the two-wire transmitter including a constant current circuit that controls the current signal based on a detection result of a sensor, and a shunt regulator circuit that controls a circuit voltage based on the input voltage, the shunt regulator circuit controlling the circuit voltage so that the circuit voltage becomes larger as the input voltage becomes larger.