804 results about "Branch line" patented technology

The invention relates to an electrical variable adjustment monitoring method and system for a distribution box, and the method comprises the steps: collecting the current, voltage, power factor and other core electrical variables of each distribution box in a region in real time, triggering an abnormal mark through dynamic gradient analysis, and recording time-space information; performing space-time correlation analysis based on the power distribution network topological graph, calculating an abnormal time concentration ratio and a spatial distribution density, and generating a correlation circle; determining a fault type (a local problem or an overall power grid problem) according to the characteristics of the associated circles, the number of branch lines and the change of electrical variables, and matching a corresponding processing scheme; and continuously monitoring a fault processing result, and generating a repair report until the system is stable. The system comprises a core electric variable real-time acquisition module, a power distribution network topological graph analysis module, a fault type judgment module and a fault processing monitoring module. According to the method, the anomaly detection accuracy and the fault processing efficiency are improved, and reliable operation of the power distribution network is guaranteed.

The invention provides a multi-modal communication edge aggregation gateway system for a virtual power plant, and the system comprises a smart energy unit which serves as edge gateway equipment and is used for carrying out the bidirectional communication with a user branch load, a distributed energy source and a flexible load; the measurement monitoring unit is arranged on a user branch load loop or a user side equipment end and is used for acquiring power utilization data of a branch line and an equipment operation condition; a multi-mode communication module; and the self-adaptive protocol switching unit is used for dynamically selecting communication protocols and realizing switching among the protocols according to the communication environment parameters, the equipment types and the data transmission requirements. The invention thoroughly solves the problem that the traditional communication system cannot adapt to different application scenes and equipment type communication requirements by adopting a single communication protocol, realizes the goal of dynamically adjusting the communication strategy according to the network environment change, and effectively avoids the phenomenon that the communication quality is reduced or even interrupted.

The invention discloses a graph topology-based power distribution network protection parameter automatic checking method and system, and belongs to the technical field of power transmission and distribution. The method comprises the steps of obtaining a transformer substation outgoing line protection constant value, a terminal protection constant value, line zero-sequence current data, a topological relation below the transformer substation, line parameters and operation state data of lines, switches and distribution transformers; sVG analysis and power distribution network topological graph construction are carried out; subgraph extraction and hierarchy analysis; line parameter and protection constant value verification, including line parameter verification and protection constant value verification; the line parameter verification comprises branch line segment verification and switch position verification; the protection constant value verification comprises overcurrent I section verification, overcurrent II section verification and zero sequence protection verification. According to the method, automatic checking of the power distribution network protection parameters is realized, the checking efficiency and accuracy are greatly improved, and the method is suitable for a protection constant value checking scene of a complex power distribution network.

The invention relates to the technical field of heat supply control, in particular to a heat supply secondary network branch line intelligent hydraulic equilibrium method and device, a medium and a product. The method comprises the following steps: constructing a branch topological graph of a heat supply secondary network in a target heat supply area; the environment temperature is obtained in real time, the heat supply station is controlled to supply heat to each heating single body in the target heat supply area based on the dynamic flow control strategy, and the node flow and the node temperature of each node in the branch topological graph are collected; constructing a branch heat supply loss model of the branch topological graph based on the environment temperature, the node flow and the node temperature; the monomer temperature and heat supply backflow data of each heating monomer are obtained, and a monomer heating model is constructed for each heating monomer based on the environment temperature, the monomer temperature and the heat supply backflow data; and determining a flow regulation and control strategy based on the monomer heating model and the branch line heat supply loss model, and adjusting the monomer heat supply flow of the heat supply secondary network based on the flow regulation and control strategy. According to the method, heat supply hydraulic balance can be achieved through precise flow regulation and control precision.

The invention provides an electric pile assembly line which comprises a preassembling branch line, a material preparation mechanism, a transfer mechanism and a final assembly branch line, the preassembling branch line is adjacent to the final assembly branch line, the material preparation mechanism is arranged at one end of the final assembly branch line, the transfer mechanism is located between the final assembly branch line and the material preparation mechanism, and the material preparation mechanism is used for storing diaphragms, bipolar plates and sealing gaskets. The preassembled branch lines are used for assembling the liquid flow frames, the partition plates and the blankets to form electrodes; the transfer mechanism is used for transferring the diaphragms, the bipolar plates, the sealing gaskets and the electrodes on the adjacent preassembled branch lines to the final assembly branch lines so as to stack the diaphragms, the bipolar plates and the sealing gaskets to form an electric pile. According to the invention, the distances between the transfer mechanism and the material preparation mechanism, the general assembly branch line and the adjacent pre-assembly branch line are equivalent, so that bipolar plates, sealing gaskets and diaphragms on the material preparation mechanism and electrodes on the pre-assembly branch line can be well transferred and stacked on the general assembly branch line to form an electric pile, the space layout is reasonable, the occupied production space is small, the cost is reduced, and the production efficiency is improved. The production efficiency is improved.

The utility model discloses a branch line drainage wire clamp, comprising a wire clamp main body and a clamping mechanism, the wire clamp main body comprises a clamping part and a lead wiring part which are in a U-shaped structure, and the branch line drainage wire clamp also comprises a fixing plate and a fixing screw rod. A T-shaped sliding groove is formed in the back face of the clamping part, a first fixing ring is arranged at the top of the fixing plate, and a T-shaped connecting part matched with the T-shaped sliding groove is arranged on one side of the fixing plate. A first screw hole and a second screw hole are formed in the fixing plate and the sliding groove respectively and connected through a fixing screw, and a second fixing ring is arranged on the top of the screw. The clamping mechanism comprises a screw, a clamping block and an operating rod, and an operating handle with a through hole is fixed to the bottom of the operating rod. Silver-based coatings are arranged on the clamping blocks and the clamping parts, and salient points are arranged on the surfaces of the coatings. The lead wiring part and the clamping part are obliquely arranged, and a torque bolt is arranged on the side face of the lead hole. According to the design, through the adjustable fixing plate and the fixing screw rod, the installation flexibility and adaptability are improved, the maintenance work is simplified, and the conductivity and stability are enhanced through the design of the silver-based coating and the protruding points.

Examples relate to flexible datacenters or other power loads tolerant of intermittent operation and configured to use power received behind-the-meter. A system may include a transportation hub electrically coupled to a BTM power source via a branch line. The transportation hub may receive behind-the-meter (“BTM”) power from the BTM power source. The system may also include a datacenter control system configured to modulate power delivery to the transportation hub based on a set of monitored conditions. The set of monitored conditions may include BTM power availability at the transportation hub. In some examples, the datacenter control system is a remote master control system positioned remotely from the transportation hub.

The utility model provides a preparation subpackaging device which comprises a main pipeline, branch pipelines, a driving pump and an exhaust pipe, the near end of the main pipeline is communicated with a stock solution bag, a plurality of branch pipelines are communicated with the main pipeline, one of the branch pipelines is communicated with the far end of the main pipeline, each branch pipeline is independently provided with a subpackaging valve and a subpackaging container, and the driving pump is communicated with the exhaust pipe. The driving pump is arranged on the main pipeline between the branch pipeline and the stock solution bag, the exhaust pipe is arranged on the main pipeline between the driving pump and the stock solution bag, a main valve is arranged on the main pipeline between the exhaust pipe and the stock solution bag, and an exhaust valve is arranged on the exhaust pipe. According to the preparation split charging device, only one exhaust pipe is arranged, contact with outside air is reduced, the risk that microorganisms pollute a pipeline is reduced, the split charging amount is controlled through the weighing sensor, the split charging uniformity and accuracy can be ensured, high-speed split charging is achieved, residual preparations in the pipeline can be emptied to be recycled, and the production efficiency is improved. And waste is reduced.

The utility model provides a branching device for a distribution box, which relates to the technical field of distribution boxes and comprises a distribution box body, one side of the distribution box body is provided with a wire inlet hole, the rear inner wall of the distribution box body is provided with a bunch adjusting mechanism, and the bunch adjusting mechanism comprises a fixed support. The two fixing supports are symmetrically distributed and fixedly connected with the rear inner wall of the distribution box body, the front faces of the fixing supports are fixedly connected with limiting plates, the upper ends of the limiting plates are provided with limiting grooves distributed in a linear array mode, the front faces of the fixing supports are provided with movable sliding grooves, and the inner walls of the movable sliding grooves are slidably connected with movable sliding blocks distributed in a linear array mode. Through the bunch adjusting mechanism, the branching cable can be conveniently clamped, cables of different sizes can be stably clamped, the application range is wide, the branching cable is independently locked, the situation of batch movement and dislocation during adjustment is avoided, the operation is convenient, and the practicability is high. And the wiring efficiency is greatly improved.

The invention relates to the technical field of data mining, in particular to a mining analysis method and system for vehicle wire harness fault data, and the method comprises the following steps: extracting a maintenance timestamp and a path segment index to construct a two-dimensional coding matrix, carrying out the segment division of a vehicle operation mileage, generating a total number of segment faults and a probability sequence, and carrying out the mining analysis. And executing logic comparison according to the serial numbers of the node major loop and the branch line, configuring a path weight parameter, executing tensor operation on the probability sequence and the weight parameter, obtaining an aggregation degree parameter, and constructing a mining analysis result. According to the method, a data multi-dimensional space topological structure is remodeled, dynamic recession mapping is calculated to capture a deep derivation relation, a probability sequence and a weight parameter are input into a sensing network to execute feature extraction, an aggregation degree index is obtained, and according to feature collection operation, space associated conduction paths of wire harness state degradation at different positions are deeply mined. And a fault data mining analysis system with a network deep topology feature analysis capability is formed.

The invention discloses a medium and low voltage line abnormity identification method based on a deep neural network, and the method achieves the comprehensive coverage of key nodes of a power distribution network through the four-stage deployment of station-line-transformer-household, completely captures the abnormal signals at the tail end of a branch line, provides sufficient data support for deep feature learning, solves a problem of a conventional monitoring blind area, and improves the recognition precision of the power distribution network. A convolutional neural network (CNN) and long short-term memory (LSTM) network mixed model automatically extracts time-frequency domain joint features, manual feature design is not needed, subtle changes of transient waveforms are effectively captured, the anomaly identification precision is improved, the limitation that a traditional method depends on artificial experience is broken through, potential fault hidden dangers can be found in advance, sufficient processing time is won for operation and maintenance personnel, and the operation and maintenance efficiency is improved. Through rapid positioning, the fault processing period is shortened, the power failure time is reduced, the power supply reliability is improved, fuzzy C-means clustering is combined with topology analysis, accurate positioning of abnormal sections is achieved, the manual inspection workload is reduced, the fault processing efficiency is improved, and the operation and maintenance cost is reduced.

The embodiment of the invention provides a distribution network line fault positioning method and system, and the method comprises the steps: determining a fault phase, and calibrating a fault moment; dividing the multi-branch line into a line partition and a branch line partition based on the distribution network topology; screening a target fault phase, calculating a fault phase current difference of adjacent detection points, and calculating a current abrupt change rate based on the fault phase current difference of the adjacent detection points; according to the arc suppression coil type and the fault transition resistance value, performing fitting to generate a partition threshold value; a suspected fault section is obtained according to the section threshold initial judgment section; calling a current abrupt change rate time sequence curve of upstream and downstream nodes of the suspected fault section, and checking a current difference amplitude change trend before and after the fault; for multi-branch topology, interference is eliminated through relevance of current abrupt change rates of a main line and branch lines, and finally a target fault section is locked. According to the invention, the problems of weak fault characteristic quantity and poor positioning reliability in a small current grounding mode can be effectively solved.

To enable a user to access a station without crossing a track.SOLUTION: This track traffic system comprises a track including a travel path with which a running wheel can come into contact, and a guide rail that guides a traveling direction of a vehicle by being in contact with a guide wheel outside the running wheel in a width direction. The track includes a plurality of single-line station sections in which a first travel path which is the travel path is disposed and which has a station facing only the first travel path, a double-line section in which the first travel path and a second travel path which is the travel path disposed in parallel with the first travel path to move the vehicle in a reverse direction of the first travel path are arranged, and a branch section which has a branch path for changing a travel destination of the vehicle between the first travel path and the second travel path and which is adjacent to the single-line station sections. The guide wheel is disposed only on one side in the width direction with respect to the vehicle body.SELECTED DRAWING: Figure 1

The invention discloses a one-kiln two-line production process for energy-saving glass, and relates to the technical field of energy-saving glass plate production. A shunting pressure stabilizing chamber, a central partition wall and an electromagnetic-platinum combined stirring device are arranged at the tail end of a melting furnace, and are matched with prolonging of clarification residence time and a microbubble bubbling device, so that a highly uniform temperature field and component distribution can be obtained before molten glass enters a feeding channel, and bubbles and inclusions are fully eliminated. By means of the collaborative measure, the melt cleanliness is remarkably improved, optical defects such as stripes, stones and white points in the subsequent forming process are greatly reduced, and the appearance and the physical strength of a finished product are more reliable. By means of the Y-shaped double feeding channels and the independent temperature control tin bath, ultra-thin glass and medium-thickness glass can be produced at the same time in the same melting furnace and do not interfere with each other. The main line focuses on the flatness and the optical quality of the energy-saving glass of the building curtain wall, and the branch line focuses on the thickness control and the surface smoothness of the ultrathin energy-saving glass.

A control method is for a compressed air supply system with which a control device is associated. The method includes: receiving via the control device a supply demand, activating a compressed air generator to provide compressed air at a compressed air connection when the control device receives a supply demand, identifying a regeneration execution time depending on the supply demand and / or a degree of saturation of an air dryer, activating a switching valve to open a branch line when the control device identifies a regeneration execution time, and returning compressed air from the branch line counter to a filling direction through a pneumatic main line to regenerate the air dryer. A control device is for carrying out the method. A vehicle includes such a control device.

The invention discloses a branch optical fiber fault detection method, device and equipment and a storage medium, and relates to the technical field of fault detection, and the disclosed branch optical fiber fault detection method comprises the steps: obtaining multi-source data of a branch optical fiber network; the multi-source data is input into a fault analysis model for processing to obtain a fault analysis result, the fault analysis model comprises a time sequence anomaly detection module, a graph neural network reasoning module and a knowledge graph enhancement module, the time sequence anomaly detection module carries out anomaly monitoring on the multi-source data, and the knowledge graph enhancement module carries out graph neural network reasoning on the multi-source data; when abnormal data is detected, the graph neural network reasoning module and the knowledge graph enhancement module are triggered to carry out collaborative root cause analysis; and outputting a fault analysis result. The method can improve the fault detection efficiency of the branch optical fiber.

The invention discloses a side slope three-dimensional deformation monitoring and early warning method and system based on a cascade single-line multipoint crack meter. The method and system are suitable for deformation monitoring and landslide state forecasting of a side slope area without macroscopic cracks. The method comprises the steps that a monitoring main line is planned in a potential slip area in the main slip direction, intelligent fusion nodes are arranged on the main line, multi-direction monitoring branch lines are led out, and a tree-shaped monitoring network is formed; two ends of the main line are anchored in a stable area, and tail ends of the branch lines are fixed on a slope; the node devices synchronously collect relative displacement and three-dimensional attitude data in the main line direction and the branch line direction, a three-dimensional deformation field is built in combination with an early warning model, and landslide state study and judgment and threat range prediction are achieved. The system achieves multi-point and multi-direction displacement monitoring through a tree-shaped structure, has the advantages of being wide in coverage, low in cost, flexible in arrangement and the like, and supports early-stage automatic early warning of slope disasters.

The invention discloses a portable lightning arrester performance detection device and a use method thereof, and relates to the field of lightning arrester detection. The portable lightning arrester performance detection device comprises a direct-current high-voltage generator and a box cover arranged on the direct-current high-voltage generator, a flat cable is arranged between the direct-current high-voltage generator and the box cover, two test main lines are embedded in the flat cable, a placement cavity is formed in the box cover, and the test main lines are arranged in the placement cavity. And a plurality of contact type power connection seats are arranged in the placement cavity in parallel based on the test main line, and each contact type power connection seat can be used for placing the lightning arrester main body and is electrically connected with the lightning arrester main body in a contact manner. According to the portable lightning arrester performance detection device, the multi-station parallel contact type power connection seat is arranged in the placement cavity of the box cover, the test branch line is connected with the test main line, a plurality of lightning arrester main bodies can be placed at the same time, a single detection loop is independently controlled through the change-over switch, and batch detection and station switching are achieved.

A phase shifter and an electronic device are provided and belong to the field of communication technology. The phase shifter includes opposite first and second substrates; a tunable dielectric layer therebetween. The first substrate includes a first dielectric substrate; first and second transmission lines on a side of the first dielectric substrate close to the tunable dielectric layer; the first transmission line includes a first main line and at least one first branch connected to a side of an extending direction thereof; the second transmission line includes a second main line and at least one second branch connected to a side of an extending direction thereof; the first and second main lines are arranged side by side with a first gap therebetween. The second substrate includes a second dielectric substrate and a first electrode layer on a side of the second dielectric substrate close to the tunable dielectric layer.

A balun structure and an electronic device. The balun structure includes: a dielectric substrate; a first grounding conductive layer, a first transmission line, a second transmission line, and a third transmission line, wherein at least one coupling structure is connected in series between a first end and a second end of the third transmission line. The coupling structure includes a first coupling part and a second coupling part, wherein in the same coupling structure, one end of the first coupling part facing the second coupling part has at least one first branch line, and one end of the second coupling part facing the first coupling part has at least one second branch line; and in the same coupling structure, the first branch line of the first coupling part is in coupling connection with the second branch line of the second coupling part.

The invention discloses an experiment system for positioning an out-of-tolerance flow meter and a detection method for the out-of-tolerance flow meter, and the method comprises the steps: obtaining a detection task of the out-of-tolerance flow meter, and enabling the detection task of the out-of-tolerance flow meter to carry a to-be-detected target branch line; current actual working condition parameters of the target branch line are obtained, and the actual working condition parameters comprise the pressure, the flow and the valve opening degree of the target branch line; inputting the actual working condition parameters into a pre-fitted objective function to obtain a calculation result; the calculation result is matched with preset data, and under the condition that the calculation result is not matched with the preset data, the out-of-tolerance flow meter corresponding to the target branch line is determined. According to the system for positioning the out-of-tolerance flow meter, the working condition of a water injection pipe network can be simulated, the working condition parameters of the main line can be conveniently calculated according to the working condition parameters of the branch line subsequently, the working condition parameters of the main line are compared with water injection production data, the flow meter with the error exceeding the standard can be quickly positioned, and therefore the working efficiency is improved.

A rated voltage transfer line includes: a rated voltage application part to which a first rated voltage is applied, at least one capacitor including a first terminal connected to the rated voltage application part and a second terminal that is grounded, a branch line part including a branch part electrically connected to the rated voltage application part and first and second branch lines branching and extending from the branch part, a first contact part electrically connected to a first end of the first branch line spaced apart from the branch part, and a second contact part electrically connected to a first end of the second branch line spaced apart from the branch part.

The invention relates to the technical field of low-voltage power distribution operation and maintenance, and discloses a low-voltage transformer area road and line checking method and system, and the method comprises the steps: obtaining a reference electrical characteristic value of each low-voltage branch line in a transformer area in a stable operation state, executing a preset disturbance operation sequence on a target low-voltage branch switch, and collecting full-period target response electrical data; calculating a multi-dimensional feature difference value of each branch line based on the reference electrical feature value, and dynamically determining a feature matching threshold by combining a load type identification result; performing accurate matching judgment on the dynamic threshold value and the multi-dimensional feature difference value, and generating affiliation relation data of the target branch switch and each branch line; and a full-flow mechanism of automatic data acquisition, intelligent feature analysis and dynamic threshold value adaptation is adopted to complete branching line checking. According to the invention, through collaborative innovation of active disturbance response acquisition, dynamic threshold adjustment of load type adaptation and multi-dimensional feature matching, comprehensive improvement of low-voltage transformer substation road-distinguishing line checking precision, adaptability and operation safety is realized, and reliable technical support is provided.

A temperature control device (200) for temperature control of a position-sensitive component (102) of a lithography system (1), comprising a liquid line (208) with a line section (218) for transporting a temperature control liquid (206), and a gas bubble separator (220) with a branch line section (222) branching off from the line section (218), wherein within the branch line section (222) a fluid space (224) and a gas space (226) are formed, fluidly connected to the line section (218), and the gas space (226) is connected to the liquid space (224) by means of a gas passage unit (228) for allowing gas bubbles (216) to pass from the liquid space (224) into the gas space (226).

The invention relates to the technical field of ice melting, and discloses a low-frequency ice melting method and device for a power distribution network and a medium. The method comprises the following steps: selecting a 10kV power distribution network ice-melting line section, determining a power taking point and a short-circuit tail end of an ice-melting three-phase line, and obtaining line parameters to determine ice-melting power and total ice-melting power of a wire per unit length; calculating the low-frequency impedance characteristic of the power distribution network line according to the line cross section area, and determining a power-frequency ice-melting current effective value; calculating a power frequency ice melting voltage required by the line based on the ice melting power; determining the lowest ice melting frequency according to a preset proportion based on the power frequency ice melting voltage by taking no over-excitation of the branch line distribution transformer as a constraint; determining a voltage output and a power output of the ice melting device based on the minimum ice melting frequency; and judging whether the load side of the branch transformer has an electric shock risk or not, and carrying out power distribution network line ice melting operation. Reactive power output can be effectively saved, phase line switching operation of direct current ice melting is avoided, and ice melting efficiency is effectively improved.

The utility model relates to a railway cable protection device, and aims to simplify the mounting process, reduce the cost of manpower and material resources and improve the protection effect. The device comprises a fixed seat, a fastening hoop, a screw rod, a sleeve and a fastening nut. The fixing seat is provided with an internal threaded hole, the fastening hoop is connected with a cable main line, one end of the screw is provided with a spherical annular ring, the spherical annular ring is matched with the internal threaded hole and fixed through a nut, a universal ball is arranged in the sleeve, and the fastening nut is used for fastening a branch line. By means of the ingenious design of the screw, the fastening hoop and the fastening nut, the advantages of being easy and convenient to install, high in stability and capable of achieving multi-angle adjustment are achieved.

The invention provides an air conditioning system, and relates to the technical field of air conditioners. The air conditioning system comprises a compressor, an oil separator and an economizer, the compressor is provided with an exhaust port, an air suction port and an air supply port which are arranged at intervals, the exhaust port communicates with an inlet of the oil separator, and a first flow channel of the economizer communicates with the air supply port; the air conditioning system further comprises an oil return loop, the oil return loop comprises a main pipeline, a first branch and a second branch, an inlet of the main pipeline is communicated with an oil return opening of the oil separator, the first branch is communicated between an outlet of the main pipeline and the air suction opening, the second branch is communicated between an outlet of the main pipeline and the air supply opening, and the first branch and the second branch are arranged in parallel. The first flow channel and the second branch are arranged in parallel; and a first control valve is arranged on the first branch, and the first control valve is configured to respond to the working state of the economizer to adjust opening and closing, so that when no refrigerant exists at the air supply port or the pressure of the refrigerant is too high, the compressor can normally return oil.

The application discloses a power distribution network fast protection method and device and a computer readable storage medium, wherein the method comprises the following steps: S1, sequentially calibrating branch lines of a radial power distribution network to determine the grades and numbers of the feeder branch lines; S2, constructing a starting criterion by using transformer low-voltage side currents to calibrate the moment of fault occurrence; S3, according to different fault types, selecting characteristic phases and calculating the amplitude and phase angle of the corresponding characteristic phase mutation current phasor; S4, taking the main transformer low-voltage side phasor as a reference phasor, calculating the inner product of the phasor calculated by other lines and the reference phasor respectively, and marking all the lines with inner product greater than the setting value; and S5, finding the line with the highest number and grade among all the marked lines and marking the line as a fault line. The application can solve the contradiction between the four properties of the traditional power distribution network three-section current protection, and well cope with many problems such as high resistance fault and slow backup protection action.

This invention discloses a multi-chip component multi-station automated production line and production method, belonging to the field of integrated circuit packaging. The automated production line includes: a loading machine, a unloading machine, a main line track assembly, a transfer machine, branch lines, automated multi-chip component assembly equipment, and a control system. Based on this automated production line, an automated production method is proposed, including: receiving production tasks, analyzing and providing feedback on equipment resources, the loading machine receiving products to be processed, handling products to be processed, assembling products, determining product completion, handling finished products, the unloading machine receiving finished products, and product delivery. This invention significantly shortens product turnaround time and improves production efficiency. Simultaneously, the production line layout is compact, facilitating the replacement, addition, or reduction of production line equipment.