705 results about "Terminal unit" patented technology

The invention discloses a power distribution network feeder terminal FTU intelligent monitoring method based on artificial intelligence. The method comprises the following steps that multi-dimensional operation parameter data of a power distribution network feeder terminal FTU are collected in real time through multiple sensors; carrying out dynamic preprocessing on the multi-dimensional operation parameter data to generate a standardized feature matrix, and matching the dimension of the standardized feature matrix with a preset multi-modal deep learning model input layer; inputting the standardized feature matrix into a pre-trained multi-modal deep learning model to generate a real-time monitoring result; wherein the real-time monitoring result comprises fault probability distribution and an equipment health degree score. Compared with the prior art, the method has the following advantages and effects that the data processing precision can be improved, and fault prediction and equipment health assessment can be optimized through the multi-modal deep learning model, so that more intelligent management of the power distribution network is realized.

The invention relates to the technical field of power systems, in particular to a multi-dimensional network performance index evaluation system and method based on measured data of a new energy station. Comprising a data acquisition preprocessing unit; a multi-dimensional index construction unit; the weight adjustment unit dynamically adjusts the index weight according to the operation condition based on a fusion algorithm of an improved analytic hierarchy process and an entropy weight method; the performance evaluation model unit adopts a comprehensive evaluation model fused with a random forest algorithm to generate multi-dimensional performance scores and risk early warning; and the visual interaction terminal unit is used for displaying the evaluation result in real time and generating a trend analysis report. According to the invention, the three-dimensional evaluation system covering the static electrical parameters, the dynamic stability indexes and the harmonic pollution indexes is constructed, so that the limitation of single-dimensional evaluation in the prior art is broken through, and the extension of the network-related performance of the new energy station from local detection to full-dimensional coverage is realized; and the multi-scene evaluation requirements of the power grid on the steady-state operation, the transient response and the electric energy quality of the station are accurately matched.

The invention discloses a bulk cargo supply chain data transmission method and system based on an intelligent transportation box, and relates to the technical field of logistics data transmission, and the method comprises the steps: collecting multi-modal sensing data in real time through a multi-source data collection interface of the intelligent transportation box; the intelligent transportation box edge calculation module performs cleaning, compression aggregation and key event intelligent identification on the data; a transmission strategy is adaptively selected according to the data type and the network state, a key event alarm message is immediately sent, data are locally cached when the network is interrupted, and subsequent transmission is recovered; transmitting the data to a cloud by adopting a secure communication protocol; the cloud receives management data and provides remote configuration, alarm notification and data visualization functions, the system comprises an intelligent transportation box terminal unit and a cloud service platform unit, data transmission reliability and efficiency are improved, bandwidth and cloud cost are reduced, cargo transportation safety is guaranteed, and the system is suitable for bulk cargo cross-regional transportation scenes.

A board connector including plural terminal units each including an inner terminal, an outer terminal covering the inner terminal, and a terminal unit-side dielectric body provided between the inner terminal and the outer terminal and supporting the inner terminal. The plural terminal units are arranged in a row along one direction in a state in which adjacent of the plural terminal units contact each other.

The invention discloses an off-line function verification system for an intelligent electric actuating mechanism, and the system comprises an off-line function verification unit which achieves the data interaction through the connection with a system signal terminal unit of the intelligent electric actuating mechanism, so as to achieve the off-line function verification function of the intelligent electric actuating mechanism. The offline function verification unit is an integrated module and comprises a man-machine interaction module, a host control module, an interface module, an instruction control module, a control power supply control module and a power supply control module; the problems that a large amount of manpower and time are consumed, the test process is tedious, the work efficiency of the original test process is low, human errors and test record detection errors are prone to occurring, data analysis depends on manpower, and the error risk is increased due to the fact that a traditional test method at the present stage consumes operations such as frequently changing used tools and modifying wiring in the test process are solved.

The invention relates to an FTU (feeder terminal unit) broken line fault monitoring method, which comprises the following steps of: performing electrical data acquisition on an FTU line through a preset electrical mutual inductor to obtain electrical data; wherein the electrical data comprises voltage data and current data; performing phase angle calculation on the voltage data and the current data to obtain a phase angle difference value; if the phase angle difference value is not in the standard range, calling a database to obtain the attribute of the FTU line; through a preset distributed parameter model, based on the attribute of the line, the phase angle and the electrical data, carrying out broken line positioning on the line to obtain a broken line area; performing dynamic feature identification on the electrical parameters corresponding to the broken line area to obtain fault dynamic features, and performing fault type analysis on the broken line area based on the fault dynamic features to obtain a fault type monitoring report; the technical problems that a traditional fault monitoring method depends on manual inspection and a simple fault indicator, and it is difficult to meet the positioning precision and judge the fault type are solved.

The present disclosure relates to a manual motor starter and, more specifically, to a trip device for a manual motor starter. A trip device for a manual motor starter according to an embodiment of the present disclosure comprises: a trip unit body forming the base of a trip unit; a fixed contact coupled to the lower portion of the trip unit body; a heater assembly inserted and coupled to the trip unit body and detecting the heat variation; a coil coupled to the upper portion of the trip unit body; a core unit inserted into the coil; a terminal rod coupled to the core unit and the trip unit body, and having one end portion forming a terminal unit; and an instant trip lever which is rotatably coupled to the trip unit body and is operated by the core unit, wherein a coil attachment portion in which the coil is inserted and installed protrudes from the trip unit body.

Techniques for powering a multi-unit optical network terminal (MU-ONT) located outside of a multi-unit building include obtaining reverse power from Power-over-Ethernet (PoE) lines connecting the MU-ONT to terminal units (TUs) or customer premises equipments (CPEs) disposed inside the building. Reverse power may be injected into the PoE lines at the TUs, for example. Via an MU-ONT reverse powering device, the reverse power may be separated from services data provided via the PoE lines, and the services data may be delivered between the TUs and a Passive Optical Network (PON) via the MU-ONT. The reverse power obtained from the PoE lines may be aggregated to provide the MU-ONT with power commensurate with its power load. In some embodiments, the MU-ONT power load may be shared or distributed across PoE lines in a passive or actively controlled manner based on variations in the MU-ONT load and / or respective characteristics of the PoE lines.

The invention relates to a distribution line fault section positioning method and device, equipment, a medium and a product. The method comprises the following steps: acquiring voltage and current data acquired by each feeder terminal unit of a fault distribution line in a preset time period; performing differential processing on the voltage and current data to obtain a fault component of voltage and current, and performing optimal phase-mode transformation processing on the fault component to obtain a line-mode component of the fault component; calculating a forward traveling wave and a backward traveling wave of the linear mode component; and determining a fault area of the fault distribution line and a fault section in the fault area according to the front traveling wave and the reverse traveling wave corresponding to each feeder terminal unit. According to the invention, the fault positioning precision can be improved.

A method can include sending, by a first wireless device to an access and mobility management function (AMF) via a mobile base station relay (MBSR), a registration request message requesting a first network slice and a second network slice. The MBSR can include a base station distributed unit and a mobile terminal unit connecting to a base station central unit via a Uu interface. The MBSR can support mobility within a network and can broadcast an indication of a mobile relay cell. The method can also include receiving, from the MBSR, a registration accept message indicating the first network slice being allowed and the second network slice being rejected. The method can further include receiving, from the MBSR, one or more messages indicating a tracking area change of the MBSR, the second network slice being supported, and the first network slice being rejected.

The invention provides a remote firmware upgrading and accident handling method for a lease cabinet equipment terminal, and relates to the technical field of communication, and the method comprises the steps: storing data to be subjected to firmware upgrading through a cloud end, transmitting the firmware upgrading data to a communication unit through network communication, and then transmitting the firmware upgrading data to a terminal unit through a physical mode and forward error correction; the communication unit creates a message data table and stores and processes firmware upgrading data nodes aiming at the terminal unit, the terminal unit responds to or stores the data to a data area to be subjected to firmware upgrading according to types after receiving the data, and backs up original firmware data and an updating program to a running area to complete upgrading after receiving the complete firmware upgrading data; the method also comprises a breakpoint resuming function which can be recovered from the last transmission point after the network is interrupted, and the terminal unit can be automatically recovered when an accident occurs in the upgrading process, so that the upgrading reliability and efficiency are improved.

The invention discloses a power distribution network fault section positioning detection method based on mixture of Transform and a particle swarm and a related device. The method comprises the following steps: constructing and initializing an upstream section matrix, a downstream section matrix, an upstream power supply matrix and a downstream power supply matrix at the current moment; reading operation parameters of the regional power distribution network and configuration data of the measurement equipment; carrying out Transform model training by using the operation parameters and the configuration data of the measurement equipment; current fault information is extracted from the feeder terminal unit, and a Transform model is called to complement missing data; and constructing a target function based on the constructed matrix and data obtained after completion of the missing data, and solving the target function to locate the position of the fault section. According to the method, the intelligent algorithm is introduced on the basis of original FTU configuration of the power distribution network, missing data is supplemented, the particle swarm optimization is used for solving, and the calculation precision and robustness of power distribution network fault positioning are improved.

In some embodiments, a fiber optic cable may be monitored while reducing false positives from disturbances in trusted areas. In some embodiments, a system includes a light source, a first remote termination unit in a trusted area, and a second remote termination unit in another trusted area. The light source emits light through the fiber optic cable, which passes through the first remote termination unit, an untrusted area, and then the second remote termination unit. The remote termination units reflect portions of the light back towards the light source. The system uses a prediction model to detect disturbances in the untrusted area based on the reflected light data.

Disclosed is a female terminal capable of handling a large current while suppressing an increase in the size of the female terminal, and capable of also suppressing a deformation risk at the time of manufacturing a contact spring part.　This female terminal (10) comprises a body part (20) having a connection part (16) and a cylindrical conductor part (18), and a contact forming metal fitting (22) assembled to the cylindrical conductor part (18). The cylindrical conductor part (18) has a male terminal insertion port (24), a rear opening window (26), and a to-be-welded part (38) constituted by a chamfered part provided on an inner peripheral edge part of an end surface (37) on the male terminal insertion port (24) or rear opening window (26) side. The contact forming metal fitting (22) has a frame body part (52) assembled to an inner surface (35) of a wall part of the cylindrical conductor part (18), a contact spring part (54) that protrudes toward the inside of the frame body part (52) and is brought into pressure contact with a male terminal (12) inserted from the male terminal insertion port (24), and a welded part (56) that is provided by bending the edge part of the frame body part (52) on the male terminal insertion port (24) or rear opening window (26) side along the inclination of the chamfered part. The welded part (56) and the to-be-welded part (38) are mutually overlapped and welded.

The utility model discloses a wiring terminal, a grid-connected box and a photovoltaic power station, the wiring terminal comprises a terminal unit, the terminal unit comprises a housing, a conducting strip and a connecting piece, the housing is provided with an accommodating groove, and the housing is defined to have a height direction; the conducting strip is arranged in the containing groove, the conducting strip comprises an input section and an output section, the input section is bent to form at least two input tables, and the at least two input tables are arranged in a step shape in the height direction of the shell; the connecting piece comprises an input wiring piece and an output wiring piece, the input wiring piece is connected with the conduction input table and is used for connecting and fixing the input cable, and the output wiring piece is connected with the conduction output section and is used for connecting and fixing the output cable. According to the technical scheme of the utility model, the requirement that one wiring terminal is connected with at least two input cables and one output cable at the same time is met, the occupied space of the wiring terminal in photovoltaic equipment such as a grid-connected box is reduced, and the practicability and reliability of the wiring terminal are further improved.

A terminal unit includes a male terminal and a female terminal. The female terminal includes a first contact portion, a second contact portion and spring members. The male terminal includes a pair of inclined portions. The first contact portion includes a pair of first inclined side edge parts along the inclined portions. Each first inclined side edge part is provided with a first contact point portion. The second contact portion includes a pair of second inclined side edge parts along the inclined portions. Each second inclined side edge part is provided with a second contact point portion. The spring members include a first spring member and a second spring member for biasing the first and second inclined side edge parts in directions toward each other. The first and second spring members press the first and second contact point portions against the inclined portions press-fit between those contact point portions.

A green energy based digital asset transfer and issuance system and a method thereof are disclosed and are applicable to a green energy bank and at least one individual user. The system includes a reserve management unit, an issuance management unit, at least one energy storage unit, at least one transaction unit, and at least one terminal unit, which are operated with steps (a) the green energy bank purchasing at least one green energy; (b) summing the purchased green energy into a green energy reserve; (c) issuing the green energy reserve into a digital asset; and (d) using the digital asset to conduct trading with at least one individual user. As such, the green energy bank issues green energy into a digital asset to allow an individual user to do trading with the digital asset, so as to prosper the green energy business.

The invention discloses a rapid load adjusting system of a steam turbine generator unit, and relates to the technical field of control of steam turbine generator units of thermal power plants. The system comprises a condenser, a circulating water input pipeline, a circulating water output pipeline, a steam turbine generator unit, a fin type heat exchanger, a cooling medium storage tank, a cooling medium conveying pipeline, an automatic temperature control flow regulating valve, a first temperature detector, a second temperature detector, a telecontrol terminal unit, a unit actual power detection mechanism and a DCS control device. The fin type heat exchanger is integrated in the circulating water input pipeline, the input end of the cooling medium conveying pipeline is connected with the output end of the cooling medium storage tank, the output end of the cooling medium conveying pipeline is connected with the fin type heat exchanger, and the automatic temperature control flow regulating valve is installed on the cooling medium conveying pipeline. Through the arrangement, the load response speed of the steam turbine generator unit under the severe working condition can be effectively improved on the premise that the complexity and the cost of the system are not obviously increased.

The invention relates to the technical field of coal mine production, in particular to a coal mine underground coal machine fault monitoring and diagnosing system based on edge calculation. The coal mine underground coal machine fault monitoring and diagnosing system based on edge calculation comprises an edge acquisition unit, an edge calculation unit and a visual terminal unit, according to the invention, the first diagnosis result obtained by fusing the fault diagnosis model constructed based on historical data and the second diagnosis result obtained by the data features extracted from the real-time data are combined to comprehensively judge whether the equipment is abnormal or not, so that multi-dimensional diagnosis can be realized, the situations of misjudgment and missed judgment are greatly reduced, and the fault diagnosis efficiency is improved. And meanwhile, after the fault is judged, a reasonable maintenance scheme can be quickly matched for the corresponding fault, and the maintenance efficiency and the refinement level of equipment operation and maintenance management are improved.

The invention provides a sound production system, a control method and a vehicle, which can be applied to the field of intelligent cabins. The sound production system comprises N terminal units, each terminal unit in the N terminal units comprises a communication module and a sound production device, and N is a positive integer; and M preset interfaces, each preset interface in the M preset interfaces comprises a power supply interface and / or a communication interface, the power supply interface is used for supplying power to the terminal unit, the communication interface is used for sending signaling and / or data to the terminal unit through the communication module, and M is a positive integer and is greater than or equal to N. The embodiment of the invention can be applied to an intelligent automobile or an electric automobile, the design flexibility of the sound production system can be improved, the sound production system can be conveniently transformed by a user, and the use experience of the user can be improved.

A connector device is provided with a first connector to be mounted on a first circuit board and a second connector to be mounted on a second circuit board. The first connector includes a plurality of first terminal unit each formed such that a first inner conductor is surrounded by a first outer conductor. The second connector includes a plurality of second terminal units facing the plurality of first terminal units and a plurality of movable terminal units. The second terminal unit is formed such that a second inner conductor is surrounded by a second outer conductor. The movable terminal unit is swingable with the second terminal unit as a fulcrum. A tip part of the movable terminal unit is connectable to the first terminal unit. The plurality of movable terminal units are coupled to swing integrally by an alignment member.

The invention relates to the technical field of low-altitude aircraft attitude control, in particular to a low-altitude aircraft attitude control system based on intelligent information data analysis. The method comprises the following steps: a data acquisition and storage unit acquires aircraft data and environmental parameter data; the intelligent information analysis unit analyzes the real-time attitude of the aircraft by using a nonlinear dynamics technology and a singular perturbation theory technology, and judges whether the aircraft is in a safe state or not by using a singular perturbation analysis technology; the single aircraft control unit generates an optimal control strategy by using a linear quadratic regulator in combination with an advanced attitude control algorithm; the multi-aircraft control unit adopts a distributed control strategy to control coordinated flight among the aircrafts; and the control display terminal unit is used for providing an integrated human-computer interaction interface. According to the low-altitude aircraft attitude control system based on intelligent information data analysis, nonlinear dynamics and singular perturbation theories are combined, and cooperative flight control of a single aircraft or multiple aircrafts is realized by adopting a distributed control architecture.

The invention relates to a shipborne weather radar integrated platform and an installation method, and belongs to the technical field of shipborne radars. A radar system is disassembled into a platform unit, a power cabinet unit and a display control terminal unit through a separated layout; wherein the platform unit adopts a heightened cylinder structure to support a ball cover and an internal phased array antenna, and is combined with a two-degree-of-freedom stable platform to compensate the shaking of a ship body in real time; the power cabinet sinks to a middle-layer deck cabin; the display control terminal is arranged in front of a forecastle deck central control room; in addition, aiming at a closed ball cover environment, an air conditioner internal unit is arranged in a direct blowing device in the cover, an external unit is moved to a lower deck, and accurate temperature and humidity control is realized by matching with a dehumidifier and double-path condensate water discharge. According to the invention, while the radar performance is satisfied, the light weight of the upper part, the system reliability and the maintenance convenience are realized.

The invention discloses a power line troubleshooting practical training device which comprises an operation panel and a power supply module. The operation panel is used for arranging wires according to a preset circuit diagram and is detachably provided with a plurality of analog switches, a plurality of fault indicators, a display operation screen, a plurality of fault points, a plurality of data acquisition terminal units and a core control module; the power supply module is used for supplying power to the operation panel; the analog switch simulates switching on and switching off in a manual or automatic mode so as to achieve the effect of power supply switching. The fault point can simulate a fault condition; the fault indicator is connected with a specified fault point; the core control module is connected with the fault indicator and the data acquisition terminal unit, and is used for selecting the fault type and fault point setting of the current simulation line according to the signal of the display operation screen, and simulating the common fault type. According to the invention, a real-time simulation technology is adopted, so that trainees can carry out troubleshooting and processing in an approximately real environment, and thus the fault handling capability is improved.

The present invention discloses a method for planting, managing and tracking operations of intelligent agricultural machinery, comprising the following steps: building a planting, managing and tracking system, which includes a terminal unit and a background server; loading the terminal unit on an intelligent agricultural machinery; performing planting by the intelligent agricultural machinery, recording trajectory information of the planting operation, and uploading the information to the background server; when entering the later stage of field management or harvesting, the intelligent agricultural machinery loaded with the terminal unit is connected to the background server, and downloads the operation trajectory information of the designated field in the planting stage; if the operation trajectory of the intelligent agricultural machinery in the planting stage is inconsistent with the operation trajectory of the intelligent agricultural machinery in the later stage of field management or harvesting, the planting operation trajectory information needs to be adjusted and processed to obtain operation trajectory information adapted to the intelligent agricultural machinery in the later stage of field management or harvesting; the intelligent agricultural machinery in the later stage of management or harvesting completes the tracking operation according to the adapted operation trajectory information obtained through the adjustment.

A network coupling device for coupling at least one appliance to a network via an electrical line includes: at least one terminal unit for connecting the at least one appliance to the network coupling device via the electrical line; at least one transceiver unit assigned to the at least one terminal unit, the at least one transceiver unit coupling at least one signal into and / or out of the line; a control unit for transmitting the at least one signal to the at least one appliance and / or receiving the at least one signal from the at least one appliance via the at least one transceiver unit and the at least one terminal unit; and at least one conversion module arranged between the at least one transceiver unit and the control unit, the at least one conversion module converting the at least one signal.

The invention discloses an aluminum wiring terminal, a wiring terminal unit and an assembling method, and the method comprises the steps: carrying out the laser etching of a joint surface of an aluminum conductive sheet, forming a pretreated conductive sheet with a micro-nano structure, depositing a protective coating on the joint surface, and carrying out the curing, and obtaining a conductive sheet with a protective coating. And then crimping and assembling with an insulating shell assembly to form a crimping assembly, and fixing bolts are arranged in the insulating shell assembly. Applying resonance fastening of characteristic frequency to a fixing bolt in the crimping assembly, injecting a lubricating medium in the fastening process, performing synchronous detection and verification of multi-physical field parameters on the fastening assembly, and feeding back detection data to a production control system to optimize assembly process parameters; the micro-nano structure is constructed on the joint surface of the conducting strip and the protective coating is deposited, so that the interface conductivity and oxidation resistance are remarkably improved, online detection and dynamic feedback optimization are integrated, and the consistency and reliability of the product are improved.

The invention provides an FTU-DTU cooperative power distribution terminal recording data uploading method and system, and the system comprises a feeder terminal unit which is used for collecting feeder electrical quantity data, generating a recording file when a fault is detected, and transmitting the recording file to a data transmission unit; and the data transmission unit is used for receiving the wave recording file, compressing the wave recording file, adaptively selecting a communication protocol according to a real-time network state, and uploading the compressed wave recording file to a master station system.

The invention discloses an intelligent optical path protection monitoring system for a power system. The intelligent optical path protection monitoring system comprises a master station end arranged in a communication machine room in a power supply area and substation ends arranged in transformer substations. In the master station end, an optical transceiver is connected with an OLP protection unit, an optical pulse tester is connected with the OLP protection unit through a program control multi-path optical switch, and a master control board is connected with the optical pulse tester and the OLP protection unit. In the substation end, the optical transceiver is connected with the OLP protection unit, and the main control board is connected with the OLP protection unit; and the OLP unit of the main station end is connected with the OLP unit of each sub-station end through a main link optical fiber and a standby link optical fiber. According to the invention, optical path automatic switching protection and optical cable on-line visual monitoring analysis can be realized, and a real-time, rapid and accurate fault point positioning means can be realized.

The present specification relates to a coil module and a home appliance including the same. A home appliance according to one embodiment of the present invention may comprise: a coil module comprising a plurality of first coil units stacked in a vertical direction and comprising a plurality of working coils, and a plurality of second coil units stacked in the vertical direction, a plurality of second coil units including a plurality of sensing coils and a wiring pattern electrically connecting the terminal unit with the working coil or the terminal unit with the sensing coils, and arranged in a different layer from the plurality of first coil units; and a control unit that performs container detection by using the sensing coil, and controls driving of the working coil in accordance with a result of the container detection.