421 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.

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.

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.

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.

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 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 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.

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 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.

The invention belongs to the technical field of power distribution network short-circuit current calculation, and discloses an active power distribution network non-measurement branch short-circuit current aggregation estimation method, system and device and a medium, and the method comprises the steps: selecting a feeder terminal unit as a boundary of a non-measurement branch short-circuit current aggregation estimation range; voltage and current data are measured in real time through the feeder terminal unit, and fault detection is carried out on the measured voltage and current data; if the fault is detected, the positive sequence voltage phasor and the positive sequence current phasor before and after the fault are calculated and uploaded to the power distribution main station; and calculating an aggregation position coefficient, a pseudo equivalent impedance and a real equivalent impedance of the measurement-free branch, and estimating a short-circuit current aggregation value of the measurement-free branch. According to the method, the short-circuit current aggregation value of all the non-measurement branches can be estimated through the data of the two measurement points in the main line, and the investment cost of the short-circuit current calculation of the active power distribution network is reduced.

The invention relates to an active power distribution network fault self-recovery method and device based on an intelligent terminal unit. The method is applied to a management master station in the fault self-recovery system, the fault self-recovery system further comprises a plurality of core intelligent terminal units (STU), and the method comprises the following steps: determining a plurality of non-fault areas and at least one fault area in the active power distribution network according to at least one fault position in the active power distribution network, according to the global network topology description matrix of the active power distribution network, the available state of the inverter type distributed power supply IIDG in each non-fault area and the corresponding available power supply capacity in each non-fault area, determining a power supply recovery strategy of each non-fault area, and according to the power supply recovery strategy, recovering the power supply capacity of each non-fault area. And carrying out fault self-healing on the load in each non-fault area in the active power distribution network. By adopting the method, the power failure range in the active power distribution network is reduced, and the power supply reliability of the active power distribution network is improved.

According to the three-phase three-wire current acquisition circuit adaptive to the distribution network terminal and the control method, the three-phase three-wire current acquisition circuit comprises a current acquisition circuit, a signal amplification circuit, a metering and processing circuit, an operational amplifier and a multi-stage anti-interference design, and conversion from large current to small current is realized through elements such as a current transformer, a magnetic bead, a transient voltage suppression diode and a sampling resistor; current signals are converted into voltage signals, and electromagnetic interference and high-frequency noise are effectively suppressed; the precision and the amplitude of the signal are improved; data storage, processing and communication are achieved through the electric energy metering chip, the MCU, the resistor, the capacitor and other elements, the precision and reliability of current collection are remarkably improved through multi-level signal processing and anti-interference design, the reference requirements in the complex electromagnetic environment can be effectively met, and high-quality current data support is provided for power distribution network terminal equipment; the current collector is widely applied to a distribution network terminal unit and a power management system, and can complete a current accurate collection task in a complex electromagnetic environment.

To provide an asset management system capable of managing assets with high accuracy. [Solution] An asset management system that manages assets attached with tags that can identify individual information, comprising a terminal unit held by a terminal holder, the terminal unit including a tag communication unit that communicates with the tag to read the individual information, and a location information acquisition unit that acquires location information, wherein the location information acquisition unit starts acquiring the location information as information about the asset to which the tag is attached when a first condition is met, and stops acquiring the location information when a second condition is met, the first condition being at least one of a condition that communication between the tag communication unit and the tag is established and a condition that the level of the wireless communication is below a first threshold, and the second condition being at least one of a condition that the communication is not established and a condition that the level of the wireless communication is above a second threshold.

The invention relates to the technical field of satellite navigation and positioning, in particular to an intelligent dynamic compaction system and method based on Beidou precise positioning, and the system comprises a Beidou high-precision positioning unit, a multi-source parameter synchronous sensing unit, an intelligent interaction display control terminal unit, a digital twin cloud platform unit, and an intelligent decision and control unit. According to the invention, high-reliability and millisecond-level fusion acquisition of construction parameters is realized through two-way redundancy sensing and PTP hardware synchronization, high-quality data support is provided for accurate decision making, multi-role efficient monitoring and abnormity early warning are realized by means of environment adaptive interaction and AR visualization technology, the field operation and supervision efficiency is improved, and the system has good application prospects. Based on digital twinning simulation and deep reinforcement learning, autonomous optimization and accurate control of tamping parameters are realized, the construction quality and efficiency are remarkably improved, and manual dependence is reduced.

Aspects of a multi-modal apparatus are described. For example, the apparatus may comprise a multi-energy sensor mountable in a distal portion of a digit of a terminal unit and a multi-energy haptic generator mountable in a socket of the terminal unit so that the multi-energy haptic generator is maintained against skin of an affected limb when the socket is worn on the affected limb. The multi-energy sensor may be operable with the multi-energy haptic generator to output one or more different types of haptic energy toward the skin responsive to the multi-energy sensor when the distal portion is placed in contact with an object while the socket is worn on the affected limb. Related kits, methods, and systems also are described.

The invention belongs to the technical field of microwave antennas, and particularly provides a tight coupling phased array with a tail end unit loaded with asymmetric dipoles. The main structure of the antenna comprises a radiation structure (I) which is composed of frequency selection surfaces which are arranged above folded dipoles and are periodically arranged, dipoles which are symmetrically arranged in a central unit and dipoles which are asymmetrically arranged in an edge unit; and the feed structure II is composed of a gradient microstrip feeder line, a metal floor and a coaxial line. According to the invention, a frequency selective surface is loaded above a folded dipole, a traditional tight coupling phased array is replaced, a heavy dielectric layer is loaded above the dipole, and a 1 * 8 one-dimensional linear array is designed. Besides, by prolonging the length of the folded dipole on the tail end array element, compared with a traditional structure, extra capacitance is introduced under the condition that the height of the array section is not changed, and the problem that the array is difficult to match at low frequency is effectively relieved.

The invention relates to the technical field of coal mine communication, and discloses a mine signal blind area ad hoc network cluster system which can support multi-person talking, is low in cost and can quickly recover communication after a disaster, the mine signal blind area ad hoc network cluster system comprises a relay unit and a terminal unit, and the relay unit comprises a plurality of relay devices arranged at intervals. At least one relay device is in wired or wireless connection with the ground node to receive and transmit emergency signals, each relay device adaptively adjusts radio frequency parameters, and adjacent relay devices are connected through a LoRa single-channel link and communicate through a Mesh protocol; the terminal unit comprises a plurality of carry-on terminals which are connected with the nearest relay device or the strongest-signal relay device through a LoRa single-channel link, and each carry-on terminal comprises a transmitting mode and a receiving mode; and when receiving the emergency signal or a random access request sent by the portable terminal, the relay device forwards the emergency signal or the personnel sound signal to an adjacent relay device, or sends the emergency signal or the personnel sound signal to the portable terminal in a receiving mode in a broadcast mode.

This lid is used for an outer package of a power storage device. The lid comprises: a lid body; a through-hole that penetrates the lid body; an insulation member including an in-hole disposition part disposed inside the through-hole, and an out-of-hole disposition part connected to the in-hole disposition part and disposed outside the through-hole; and a barrier member that covers at least a portion of the out-of-hole disposition part of the insulation member. The barrier member has a moisture barrier property and / or gas barrier property higher than that of the insulating member.

A terminal unit for a heating, ventilation, and / or air conditioning (HVAC) system, including: a housing including a base wall, a first chamber configured to receive a first air flow, and a second chamber configured to receive a second air flow; an internal wall disposed within the housing and extending between the first chamber and the second chamber, wherein the internal wall includes an opening formed therein, and wherein the second air flow selectively flows through the opening from the second chamber to the first chamber along an air flow path; and a damper door rotatable relative to the internal wall and configured to substantially prevent the first air flow from flowing through the opening from the first chamber to the second chamber in a closed position, the damper door positioned at an angle relative a vertical plane that is perpendicular to the base wall.

An image forming apparatus includes a first housing and a second housing connected to each other, a first connector unit disposed on the first housing and including a first terminal unit and a first supporting unit that supports the first terminal unit, a second connector unit disposed on the second housing and including a second terminal unit that is electrically connected to the first terminal unit by being engaged with the first terminal unit in a first direction and a second supporting unit that supports the second terminal unit, a first elastic member connected between the first terminal unit and the first supporting unit or between the first supporting unit and the first housing, and a second elastic member connected between the second terminal unit and the second supporting unit or between the second supporting unit and the second housing.

To provide a terminal unit that can improve the detection accuracy of the detection unit on its own. [Solution] The terminal unit 40 includes a terminal body 50 extending along a first axis X, a temperature sensor 70 having a detection unit 71 capable of detecting the temperature of the terminal body 50 and a signal line 72 capable of transmitting the signal detected by the detection unit 71, and a sensor holder 80 having a sensor holding unit 81 that holds the detection unit 71 so that the detection unit 71 contacts the outer peripheral surface of the terminal body 50, and a fixing unit 82 that is fitted onto the outer peripheral surface of the terminal body 50.

The application relates to a high-voltage power-taking capacitor protection and harmonic suppression system and a circuit thereof, and belongs to the field of power distribution network intelligent control switch power taking. The circuit is arranged between an isolation transformer and a feeder terminal unit (FTU), and comprises an input protection circuit for suppressing input surge overvoltage and fast pulse group, a harmonic filter circuit for filtering out harmonics, a signal acquisition and conditioning circuit for converting an alternating current signal into a direct current voltage signal, and a control protection circuit for comparing the direct current voltage signal with a preset reference voltage. The system further comprises a high-voltage capacitor voltage divider, an isolation transformer and the feeder terminal unit (FTU). The application effectively solves the problem that harmonic interference, surge impact and overvoltage risk coexist in the high-voltage power-taking system, greatly improves the safety and reliability of the operation of the rear-end FTU equipment under the premise of ensuring the accuracy of voltage signal measurement and power supply continuity.

The present invention relates to a switchboard having a design-changeable module using an inner partition wall, the switchboard comprising: an outer enclosure; a busbar part disposed on one side of the outer enclosure; a plurality of function units vertically arranged inside the outer enclosure; a terminal unit connected to main circuit parts of the function units; and a partition wall part for separately storing the function units to separate the inner space of the outer enclosure, wherein the partition wall part is configured to be detachable so that the design of the inner partition wall module can be changed.

The invention discloses a high-sensitivity passive sensing terminal design method, and belongs to the technical field of passive sensing of the Internet of Things. The method is used for solving the problems of unstable energy collection, insufficient energy storage and easy task interruption of the passive terminal under the condition of ultralow input power. The method comprises an energy acquisition unit, an energy management and storage unit composed of a long-term energy storage capacitor and a short-term energy storage capacitor, and a sensing terminal unit. The system charges the two capacitors at the same time in the dormancy stage; the system is awakened in a preset time through a low-power-consumption timing mechanism, the capacitor voltage is detected, and main power supply is switched on only when the two reach a power-on threshold value, so that the terminal executes a sensing and communication task once. In the task process, when the voltage of any capacitor is reduced to a power-off threshold value, the system immediately closes main power supply and enters the energy storage stage again. Efficient energy collection and reliable energy storage are achieved through a double-capacitor structure and a double-threshold mechanism, tasks can be stably completed under limited energy, and the low-power-consumption wireless sensing device is suitable for low-power-consumption wireless sensing application.

A terminal unit includes one or more internal terminal, a dielectric member, and an external terminal. The internal terminal includes a contact portion for contacting a connection target (counterpart side connector), and a press-fit portion for press-fitting together with an inner conductor. The contact portion is provided at an axial direction one side, and the press-fit portion is provided at an axial direction other side. The internal terminal further includes an impedance adjustment section connected to a press-fit portion. The impedance adjustment section projects out to the axial direction other side with respect to the press-fit portion.