455 results about "Branch line" patented technology

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 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.

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 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.

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 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.

The utility model relates to the technical field of chemical engineering, in particular to a liquefied gas stratified sampling device which comprises a spherical tank, a closed sampling box, a tank inlet pipeline, a radar liquid level meter director pipe, a sampling pipeline outside the tank, a first branch line, a second branch line and a third branch line, the closed sampling box is arranged outside the spherical tank; the tank inlet pipeline is connected with an inlet of the spherical tank; the radar liquid level meter director tube is directly inserted into the spherical tank through a radar liquid level meter at the top of the spherical tank, and an upper liquid level sampling tube, a middle liquid level sampling tube and a lower liquid level sampling tube are sequentially arranged at the upper position, the middle position and the lower position of the radar liquid level meter director tube. An upper sampling pipeline, a middle sampling pipeline and a lower sampling pipeline are installed in the tank, an operator takes materials in the tank through a closed sampler at the upper point, the middle point and the lower point for real-time test and analysis, and the qualified product leaves a factory.

The application discloses a power stealing point detection method, device, system, server and medium. The method is applied to a power distribution network system, the system comprises at least one main line, at least one first-level branch line and at least one second-level branch line; the method comprises the following steps: acquiring current signals of each main line, each first-level branch line and each second-level branch line; acquiring incoming line current signals on each main line, each first-level branch line and each second-level branch line; judging whether the incoming line current signals of each main line, each first-level branch line and each second-level branch line are same as the sum of the current signals of each main line; if not same, judging whether any main line current signal is same as the sum of the current signals of each corresponding first-level branch line and the sum of the incoming line current signals on the main line; if same, judging whether any first-level branch line current signal is same as the sum of the current signals of each corresponding second-level branch line and the sum of the incoming line current signals on the first-level branch line; if not same, judging that a power stealing point is on the first-level branch line.

The utility model discloses a kind of selectable valve core reset device, access oil pressure control system and emergency shutdown valve hydraulic control system, and is equipped with three oil paths: the first two access oil tank of oil pressure control system, the third access its oil pressure accumulator, dry road is equipped with electric valve and has multiple branch lines afterwards.Device contains switch control valve, auxiliary booster mechanism, hydraulic feedback mechanism, double filter, digital valve, proportional valve, proportional digital switching valve, auxiliary switching valve, two hydraulic control reversing valves and two travel switches, etc., and is connected into complete control and execution system by pipeline.It can be switched digital valve and proportional valve control mode by proportional digital switching valve, adapt to different working conditions;With hydraulic control reversing valve and travel switch cooperation, realize oil path accurate control and valve core reset monitoring feedback, improve accuracy;It is also equipped with main matching position sensor, manual valve etc., enhance system stability and controllability, can guarantee valve core reset reliable under complex working condition, improve oil pressure pump oil conveying system overall efficiency and reliability.

The application discloses a kind of automatic welding production line of round tube and bush, it is related to welding production line technical field, including round tube conveying line, bore assembly being arranged at the end of first conveying branch line and second conveying branch line, chip suction assembly being arranged at the other end of second conveying branch line, and welding assembly being arranged at the both ends of third conveying branch line, it is laterally transferred round tube between adjacent conveying branch line;The technical advantage of the application is: by setting round tube conveying line and round tube transfer line vertically and horizontally, first air cylinder is arranged at the both ends of transfer frame, barb is arranged at the end of transfer frame upward, efficient transfer is realized in the way of height difference between bore assembly, chip suction assembly and welding assembly;By setting pneumatic chuck, rotary drive part and welding locking piece, the circumferential rotation control of round tube is realized, by setting bushing box and bushing positioning structure, automatic taking of bushing is realized, and then full-automatic welding of round tube and bushing is realized, and welding efficiency is improved.

Techniques for identifying and locating a fault within a subsea hydrocarbon extraction system include receiving, via a main channel line and from a first subsea modem, first data associated with a first subsea control module, wherein the main channel line is communicatively coupled to the first subsea modem via a first channel leg line, receiving, via the main channel line and from a second subsea modem, second data associated with a second subsea control module, wherein the main channel line is communicatively coupled to the second subsea modem via a second channel leg line, identifying a fault or a developing fault in the first channel leg line based on an analysis of the first data and the second data, and generating and transmitting a notification indicating the fault or the developing fault in the first channel leg line.

The utility model relates to electrocardiograph technical field discloses a kind of electrocardiograph connecting line anti-winding device, including multiple with the one-to-one correspondence of branch line limiting piece, limiting piece includes limiting slot, import and export and connecting structure.The utility model by being able to temporarily fixed to the limiting piece of branch line, and single limiting piece is set as the form that can be connected together with any one other limiting piece, can play good limiting anti-winding effect to the multiple branch lines of connecting line, reduce the risk of different branch lines mutual winding.Meanwhile, based on each limiting piece is independent component, so in actual use, the number of limiting piece can be flexibly adjusted according to the number of branch line, so that the anti-winding device is suitable for the connecting line of different branch line number, wide application range, and strong flexibility when using.

A wire harness includes a trunk line extending from an upstream side to a downstream side, a plurality of branching units respectively provided at each of a plurality of branching points on the trunk line, and a plurality of branch lines branching out from the plurality of branching units, wherein the trunk line includes a trunk conductor, wherein the branch line includes a branch conductor, and wherein the branching unit includes a conductor connection portion that electrically connects the trunk conductor on the upstream side to the trunk conductor on the downstream side and to the branch conductor, and a cover portion including an insulating material that covers the conductor connection portion and surroundings thereof.

The utility model discloses an integrated busbar in direct insertion connection, which comprises a flexible flat cable assembly, the flexible flat cable assembly comprises an FFC main flat cable and a plurality of FIC branch lines, the first end of the FFC main flat cable is arranged as an insertion end, and the first ends of the FIC branch lines are welded on the FFC main flat cable; the plurality of connecting bars are arranged at the tail ends of the FIC branch lines and are used for connecting single batteries; and the collector is arranged on the connecting bar, and the collector is connected with the tail end of the FIC branch line. The first end of the FFC main flat cable is provided with the plugging end, and the plugging end is used for replacing the output interface, so that the material of the output interface can be saved, in addition, the assembly process corresponding to the output interface can be omitted, the production time is saved, the assembly equipment corresponding to the output interface is saved, and the corresponding equipment cost is saved; therefore, the production cost of the integrated busbar in direct insertion connection is effectively reduced.

The present invention relates to a thermal management system of a vehicle. The thermal management system of the vehicle comprises: a cooling device comprising an electrical component, a pump, a radiator and a first valve connected by a coolant line for cooling the electrical component; an air conditioning device comprising a compressor, a condenser, a second valve, an expansion valve and a heat exchanger connected by a refrigerant line; the cooling device further comprises: a coolant branch line; and a cooler provided in the coolant branch line and connected to the air conditioning device such that the coolant in the coolant branch line flows through the cooler and exchanges heat with the refrigerant from the air conditioning device; the air conditioning device further comprises: a third valve provided in the refrigerant line downstream of the heat exchanger; a fourth valve provided in the refrigerant line downstream of the expansion valve; a first refrigerant branch line; a second refrigerant branch line; a third refrigerant branch line; and a fourth refrigerant branch line.

The utility model provides a connector which can comprise a main circuit and a plurality of branch circuits, the main circuit is provided with a first input end and a plurality of first output ends, the first input end is connected with a first connecting piece, and the first connecting piece is used for being detachably and electrically connected with a second connecting piece electrically connected with a power supply. The plurality of first output ends are correspondingly arranged on the side surface of the main circuit in the length direction; each of the plurality of branch lines is provided with a second input end and a second output end, and the plurality of second input ends of the plurality of branch lines are respectively and correspondingly crimped to the plurality of first output ends and are fixed relative to the crimped first output ends; and a plurality of second output ends of the branch lines are correspondingly connected with connecting parts respectively, and the connecting parts are used for being electrically connected with a server.

The application relates to the technical field of smart power grids, and discloses a power distribution cabinet for electrical equipment, which comprises a power distribution cabinet, a zero line row arranged in the power distribution cabinet and electrically connected with the branch line, a conductive pin in sustained conductive contact with the zero line row, a pressing assembly comprising a pressing ring capable of being sleeved on the conductive pin, and a heat-sensitive trigger piece which releases the pressing effect of the pressing ring when the temperature of the conductive pin exceeds a threshold value, so that the contact piece instantaneously releases the zero line row and forms a repair gap therebetween, and then re-closes. When the temperature exceeds the threshold value, the heat-sensitive trigger piece instantaneously releases the pressing force of the pressing ring, so that a controllable repair gap is formed between the contact piece and the zero line row, and under the shearing action, the silver powder and the reducing agent are released by breaking the microcapsules, then the silver powder is sintered by Joule heat to form a dense conductive layer and reduce the oxidation layer, so that the effects of automatically repairing electrochemical corrosion, restoring low contact resistance and avoiding continuous high-temperature fire are achieved.

The application discloses an active arc-extinguishing compensation method and system for single-phase grounding fault, relates to the technical field of power systems, and comprises the following steps: acquiring a theoretical zero sequence admittance of a zero sequence network; collecting bus voltages of the zero sequence network and zero sequence currents of each branch line in the zero sequence network in real time, and obtaining a current zero sequence admittance of the zero sequence network according to the collected bus voltages and the zero sequence currents; judging whether a single-phase grounding fault occurs or not according to the current zero sequence admittance and the theoretical zero sequence admittance of the zero sequence network; and after judging that the single-phase grounding fault occurs, updating a primary current to be injected into a bus of the zero sequence network according to the current bus voltage and the theoretical zero sequence admittance. The application can sensitively identify the single-phase grounding fault and compensate for residual current through the zero sequence admittance of the zero sequence network, can realize arc-extinguishing compensation without knowing which phase of which branch line has a fault, and will not cause short-circuit faults among phases of the zero sequence network.

An online monitoring system for underwater equipment with a waterproof structure relates to the technical field of power equipment operation status monitoring systems for seawater environments. It addresses the technical deficiency of submersible pump online monitoring systems in seawater environments, which lack reliable waterproofing. The system includes a temperature sensor installed inside the submersible pump to monitor the temperature of the coolant and / or windings within the motor cavity; a triaxial vibration temperature sensor installed on the outer wall of the submersible pump; and a pressure sensor to monitor the medium pressure. A stainless steel waterproof connector for the temperature probe is installed on the motor housing of the submersible pump. The lead wire of the temperature sensor is led out of the motor housing through the waterproof connector. A rubber clamping sealing assembly is installed inside the waterproof connector. One end of the waterproof connector is threadedly sealed to an opening on the motor housing, while the other end has an external thread and is connected to a first stainless steel branch line through an internal threaded fitting. The leads of the temperature sensor, triaxial vibration temperature sensor, and pressure sensor are all led out through the main stainless steel line. The waterproof protective layer has overall strength capable of withstanding certain external impacts and preventing damage caused by marine organism aggregation. It is easy and quick to assemble and disassemble, and is waterproof, stable, and reliable, achieving properties that ordinary monitoring components cannot use in seawater.

The invention discloses a low-voltage power distribution network area topology identification method, system and device and a medium, and belongs to the field of electric power systems.The method comprises the steps that an incidence matrix is determined according to distribution transformer power data and power response intensity, a multi-dimensional similarity matrix is determined in combination with voltage characteristic data, and through multiple times of consensus spectral clustering and confidence coefficient analysis, a multi-dimensional similarity matrix is determined; obtaining a branch line division result; extracting a multi-dimensional electrical feature vector, determining a phase similarity matrix, constructing a user phase association graph, and performing iterative optimization on phase probability distribution through a graph smoothing algorithm to obtain an access phase attribution result; and the branch line division result and the access phase affiliation result are fused, and the topological structure of the low-voltage power distribution network area is determined based on the association relationship between the user and the target distribution transformer, so that accurate topology identification of the low-voltage power distribution network can be realized.

The utility model discloses a kind of automobile air conditioner control pencil, including main pencil, several groups of branch pencil groups are equipped on main pencil, several groups of branch pencil groups are sequentially spaced apart along the axial direction of the main pencil, and each group of branch pencil groups includes several branch pencil;Main pencil includes first outer skin, first connector, several first conductors and second connector, first outer skin is covered in several first conductors outside, first connector is connected in several first conductors same end, and second connector is connected in the end of main pencil away from first connector;Each branch pencil includes second outer skin and several second conductors respectively, and second outer skin is covered in several second conductors outside;The one end of several second conductors is connected on the main pencil correspondingly, and the other end is connected with connector;First outer skin and second outer skin are cloth-based adhesive tape;It realizes the integration of multiple pencil, simplifies the wiring process of automobile air conditioner control pencil, improves the circuit layout efficiency.

This utility model relates to the field of vehicle manufacturing technology, specifically an intelligent control system for a fog cannon, comprising: a control unit with a built-in RS485 communication module and multiple I / O interfaces; a communication hub connected to the RS485 communication module of the control unit via the MODBUS RTU protocol; a data acquisition module that communicates bidirectionally with the communication hub via an RS485 branch line, including a dust concentration sensor, a multi-parameter meteorological sensor, a high-definition camera, and an angle encoder; an execution module that communicates bidirectionally with the communication hub via an RS485 branch line, including a high-pressure atomizing device, a servo gimbal, and a centrifugal fan; and an auxiliary module that communicates bidirectionally with the communication hub via an RS485 branch line, including a hypochlorous acid generator, a liquid level sensor, and a solenoid valve assembly. This utility model, through its modular architecture design, enables plug-and-play expansion of each functional module, significantly reducing maintenance costs.

The invention discloses a video generation method and a related device, and relates to the field of video processing, and the method comprises the steps: obtaining a first video; wherein the first video is a to-be-edited video, the first video is edited to obtain a second video, the first video has a plurality of plot lines, and the plot lines are main lines or branch lines; generating a description text set based on the first video; wherein the description text set comprises a plurality of plot line description texts, and each plot line description text describes one plot line; selecting one plot line description text from the description text set as a target text; searching a video indicated by the target text from the first video to obtain a second video; wherein the second video comprises the video content of a story line. According to the invention, the probability of plot chaos can be reduced.

Motor vehicle, with at least one air inlet (3) through which air can be introduced into a flow channel (6) of the motor vehicle when the motor vehicle is moving forward, and with at least one wind turbine (9) arranged in the flow channel (6), which has at least one wind wheel (12) driven by the air introduced into the flow channel (6) via the air inlet (3) and flowing through the flow channel (6), and a generator (13) driven by the wind wheel (12), by means of which electrical energy can be provided by driving the generator (13), characterized by: - at least one blower wheel (14) arranged in the flow channel (6) downstream of the wind turbine (12), by means of which the air flowing through the flow channel (6) is to be conveyed to at least one axial compressor (15) arranged downstream of the blower wheel (14) by driving the blower wheel (14), by means of which the air is to be compressed by driving the axial compressor (15), and - at least one additional electric machine (16) provided in addition to the generator (13), common to the blower wheel (14) and the axial compressor (15), by means of which the blower wheel (14) and the axial compressor (15) can be driven, and - a turbine (18) arranged outside the flow channel (6) and provided in addition to the wind turbine (9), - a branch line (19) by means of which a portion of the air introduced into the flow channel (6) via the air inlet (3) can be diverted from the flow channel (6) downstream of the wind turbine (12) and upstream of the blower wheel (14) and directed to the turbine (18), which can be driven by means of the diverted portion of the air, and - a second generator (20) arranged outside the flow channel (6), provided in addition to the generator (13) and in addition to the electric machine (16), and driven by the turbine (18), by means of which electrical energy can be provided by driving the second generator (20), and a return line (22) by means of which the diverted part of the air can be discharged from the turbine (18) and introduced into the flow channel (6), and wherein at least one Venturi nozzle (23) is arranged in the flow channel (6) downstream of the axial compressor (15), which can be flowed through at least by the air compressed by means of the axial compressor (15), and wherein the Venturi nozzle (23) can be supplied with the part of the air flowing through the return line (22) via the return line (22) and is thus permeable to that part of the air.

Irrigation of agricultural and horticultural crops is a crucial component of modern agriculture, ensuring consistently high yields. In this context, drip irrigation, and especially subsurface drip irrigation, is a very water-efficient approach. However, flushing drip irrigation systems with branch lines is a very labor-intensive process, as each line must be manually opened and closed individually. The present invention relates to a drip irrigation system for the irrigation and / or fertigation of agricultural, forestry, or horticultural areas with radio-controlled, automatic flushing. The present invention enables, by using actuator units with valves, each comprising cost-effective short-range radio modules (e.g., 10 m) and each utilizing other actuator units as repeaters for radio communication with the more distant control unit, a very cost-effective automation for opening and closing the drip lines during the flushing process.