1419 results about "Branch line" patented technology

A prefabricated building production line and a prefabricated building structure. The prefabricated building production line comprises an assembly conveyor line, a functional module conveyor line, a transfer mechanical arm, an assembly mechanical arm, and a control platform; an assembly area, a testing area, and an inspection area are arranged in order along a transport direction of the assembly conveyor line; the assembly conveyor line is used for conveying a building unit main body to be assembled; a plurality of functional module conveyor branch lines are arranged at the side of the functional module conveyor line away from the assembly conveyor line; the functional module conveyor line and the functional module conveyor branch lines are used for transporting a functional module; the transfer mechanical arm is used for carrying a functional module and the building unit main body to be assembled; and the assembly mechanical arm is used for installing the functional module on the building unit main body to be assembled. The prefabricated building structure comprises: a lifting device for prefabricated building installation, an prefabricated building ventilation structure, a prefabricated building automated production fixture, etc.

The invention relates to a control method (2000, 3000, 4000) for a compressed air supply system (1200) to which a control device (1300) is assigned, comprising the steps: - Receipt (2100) of a supply requirement (Bv) by the control unit (1300), - Controlling (2200) a compressed air transmitter (200) by the control unit (1300) to supply compressed air (110) at a compressed air connection (1) when the control unit (1300) receives a supply requirement (Bv), - Identify (2300) a regeneration execution time (B R ) by the control unit (1300) depending on the supply requirement (B V ) and / or a saturation level (G) of an air dryer (5, 5.1), - Actuation (2400) of a switching valve (24, 24.1, 24.2) by the control unit (1300) to open a branch line (14, 14.1, 14.2) when the control unit (1300) has a regeneration execution time (B R) identified, - Return (2500) compressed air (141) from the branch line (14, 14.1, 14.2) against a filling direction (B) through a pneumatic main line (12) for regenerating the air dryer (5, 5.1). The invention further relates to a control device for carrying out the method and a vehicle with such a control device.

A plasma generation unit includes: a first coil that includes first conductors that are connected in parallel to each other; and a first distribution portion that distributes, to each of the first conductors, first high frequency power to be supplied to the first coil. The first distribution portion includes: a first input portion to which the first high frequency power is input; a first branch portion at which the first high frequency power input to the first input portion is divided and delivered into first branch lines; and second branch portions at each of which a corresponding one of the first branch lines branches out into second branch lines. Each of the second branch lines is connected to one of first application portions that are included in the first conductors. The first branch lines have a substantially equal length. The second branch lines have a substantially equal length.

The invention relates to the technical field of power distribution network fault positioning, and provides a power distribution network multi-branch line fault positioning method and system based on time domain difference. The power distribution network multi-branch line fault positioning method based on time domain difference comprises the steps of obtaining a fault traveling wave line mode component based on fault traveling wave data, and performing discretization; performing time domain difference operation on the discretized fault voltage traveling wave line mode component, eliminating a sine component, and obtaining a fault traveling wave line mode component signal; constructing an objective function, optimizing a fault traveling wave line mode component signal, and determining a time domain position of a fault traveling wave head to calibrate arrival time of the fault traveling wave head; and if the fault is the trunk line fault, establishing a first fault point reflection wave time sequence constraint based on the basic parameters and the fault section of the fault line in combination with the fault traveling wave head arrival time, and determining the fault point reflection wave head arrival time so as to determine the position of the fault point. The calculation speed and reliability of fault positioning are improved, and the cost is reduced.

The invention discloses a branch line node latent hidden danger identification method based on dead zone change, which is applied to the technical field of power grid hidden danger identification, and comprises the following steps: obtaining voltage and current measurement data; obtaining a dead-zone-crossing change set based on a comparison result of current change in the voltage and current measurement data and a dynamic dead-zone threshold value; obtaining a first positioning result based on the voltage fluctuation correlation and a correlation coefficient of the over-dead-zone change set; acquiring a sudden drop event in a preset time period according to the first positioning result, and matching a second positioning result associated with the fluctuation time sequence; and obtaining a risk position according to the second positioning result, obtaining a hidden danger risk value in combination with a preset risk dimension, obtaining an inspection tour path and an inspection tour time period, and obtaining a latent hidden danger position according to the inspection tour path and the inspection tour time period. According to the method, data optimization is carried out through over-dead-zone change, the data volume of subsequent overall comparison is reduced, and meanwhile, the hidden danger recognition accuracy is improved through mutual verification of current fluctuation and voltage fluctuation.

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 relates to the technical field of electric power, and provides a switch stationing optimization method and device, a storage medium and computer device.When the method is implemented, a branch line with the user number larger than a user threshold value in a power distribution network topological graph is marked as a large branch, and section switches are added to the upstream and downstream of a tower corresponding to the large branch; further generating segmentation schemes corresponding to all position combinations of each segment switch in the topological graph, then calculating the variance of the load loss expected value of the target segment in each segmentation scheme, and taking the segmentation scheme with the minimum variance as the optimal scheme; next, the power restoration effect verification is carried out on the topological graph in the optimal scheme, and when the verification result is lower than a preset effect value, the branch line optimization is carried out on the topological graph and then the main line optimization is carried out again until the iteration ending condition is met, and an optimization result is generated, and the optimization result is obtained by dynamically adjusting the switch distribution point through the power restoration effect feedback. Therefore, the uncertainty of the optimization result can be reduced while the optimization efficiency is improved.

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 relates to a medical probe, in particular to a laparoscope probe device, a probe device and a laparoscope system. The laparoscope probe device comprises a handle part, an insertion part and a handle connecting line. The at least one handle connecting line comprises an outer skin, a first wire and a second wire, the first wire and the second wire are arranged in the outer skin, and the first wire and the second wire are respectively connected with different functional modules of the laparoscope probe device; the probe connector is connected to the handle connecting wire, the probe connector connected with the handle connecting wire provided with the first wire and the second wire is provided with an insertion part used for being connected with adaptive equipment, and the probe connector is further provided with at least one branch wire leading-out part; one end of the branch connecting line is connected with the branch lead-out part, and one end, far away from the probe connector, of the branch connecting line is connected with a branch connector. The utility model mainly solves the technical problem that the operation of a doctor is easily influenced when the number of connecting wires of the probe device is large.

The invention provides a deicing device for split conductors and a control method. The deicing device comprises a supporting assembly, an elastic impact assembly, a monitoring module and a control module. Wherein the supporting assembly is installed between any two branch lines of the split conductor, the elastic impact assembly is fixed on the supporting assembly, the impact direction of the elastic impact assembly faces any branch line, the monitoring module is fixed on any branch line, and the monitoring module is used for monitoring the icing condition of the branch line. The control module is fixed to the supporting assembly and electrically connected with the monitoring module and the elastic impact assembly, and when the monitoring module monitors that the branch line starts to be iced, the elastic impact assembly is adjusted to be in an elastic energy storage state; and when the monitoring module monitors that the icing condition on the branch line exceeds a preset threshold value, the elastic impact assembly in the elastic energy storage state is released to impact the split conductor for deicing, so that the purposes of automatic triggering of the deicing device and long-term stay line deicing are achieved, and the safety and stability of the power transmission line are ensured.

The invention relates to a distribution network fault positioning method independent of branch line equipment, and the method comprises the steps: determining a topological structure of a distribution line, and configuring a traveling wave monitoring terminal according to the line condition; the method comprises the following steps: extracting phase-mode traveling waves collected by all traveling wave monitoring terminals when a line fails, decomposing the phase-mode traveling waves into zero-mode traveling waves and line-mode traveling waves, and then respectively calculating wave head time differences; selecting a line as a main line, and respectively calculating the distance between the fault point and the traveling wave monitoring terminals at the head and tail of the selected main line; if the corresponding condition is met, that is, the fault point is located on the main line, determining the specific position of the fault point on the main line; if the corresponding condition is not met, the fault point is located on a certain branch line, and the next step is executed; determining the distance between the fault point and the T contact of the branch line; and determining the distance from the fault point to the main line upgoing wave monitoring terminal. The method has the advantages that under the condition that multiple branches exist in a distribution network line and equipment on the branch lines is lacked, judgment of the main line and the branch lines of the fault points and judgment of the accurate positions of the fault points can still be achieved.

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.

The invention relates to a branch device (10) for connecting an electrical branch line (150) to an electrical main line (110) to form an electrical branch to an operating device (170), wherein the main line (110) is designed with several conductors, wherein the branching device (10) comprises a housing (30), wherein the branching device (10) comprises a clamping device (50) wherein the clamping device (50) is configured to establish an electrical contact with the conductors (112, 113, 114, 115, 116) of the main line (110). According to the invention, it is provided that the clamping device (50) is arranged in the housing (30), wherein the branching device (10) comprises at least one electrical component (20), wherein the electrical component (20) is fixed in the housing (30) and wherein the electrical component (20) is electrically connected to the clamping device (50).

The invention relates to the technical field of single-phase disconnection detection of an ungrounded system, in particular to a single-phase disconnection fault detection method and system based on wavelet transform. A plurality of detection points are arranged on a distribution line of the power distribution network; line voltage amplitude signals of all the detection points are collected, and a data set is formed; performing wavelet transform processing on the data set to obtain a detail coefficient corresponding to each detection point; comparing the absolute value of the detail coefficient with a preset threshold value to judge a broken line fault; and determining the position of the fault section according to the detail coefficients exceeding the preset threshold. The detection points comprise a main line detection point, a branch line detection point and an end point detection point, and the detection point spacing distance is set according to the line importance degree and load distribution; and performing signal processing by adopting Haar wavelet transform to obtain a threshold value based on a detail coefficient in a normal operation state. Through a method of combining wavelet transform and adaptive threshold determination, quick and accurate detection of a broken line fault is realized without traversing a network topology structure, and the calculation complexity is greatly reduced.

The present invention relates to a method for producing an ionization rod and an ionization rod produced according to the method. The invention is characterized in that in a U-shaped duct profile (1) a main line (4) for supply current is placed, in that from this main line branch lines (3) are connected with adjacent carbon fibre brushes held in protective sleeves and in that a thermosetting plastic are laid into the duct profile covering the main part of the protective sleeves.

To provide a wire harness that can improve fittability to a vehicle or the like.SOLUTION: A wire harness WH is provided with: a main line module 10 that has a plurality of flexible print wiring plates 11, a plurality of main line-side connectors 12, and a first arrangement material module 16 connecting the plurality of flexible print wiring plates 11 to each other; and a plurality of branch line modules 20 that have a plurality of branch line-side arrangement materials 21 and branch line-side connectors 22 provided at end parts of the plurality of branch line-side arrangement materials 21 and are connected to the main line-side connectors 12, respectively. The plurality of flexible print wiring plates 11 are respectively provided with wiring patterns 13 which include a plurality of conductor circuit parts 13a electrically connected to the plurality of branch line-side arrangement materials 21 respectively through the main line-side connectors 12 and the branch line-side connectors 22 to constitute a transmission path and joint parts 13b jointing at least two of the plurality of conductor circuit parts 13a to each other.SELECTED DRAWING: Figure 2

The invention relates to the technical field of data processing, and discloses a power distribution network single-end positioning method based on a global traveling wave time-frequency diagram and a related device, and the method comprises the steps: analyzing the transmission characteristics of fault traveling waves under a single branch line based on the global traveling wave time-frequency diagram of a power distribution network fault traveling wave signal, and obtaining the transmission characteristics of the single branch line; based on the global traveling wave time-frequency diagram, analyzing the transmission characteristics of the fault traveling wave under the cross-branch line to obtain the transmission characteristics of the cross-branch line; constructing a power distribution network fault positioning model based on a residual network according to the single-branch line transmission characteristic and the cross-branch line transmission characteristic to obtain an initial power distribution network fault positioning model; based on a graph hybrid convolutional neural network, optimizing and improving the initial power distribution network fault positioning model according to the global traveling wave time-frequency graph to obtain a target power distribution network fault positioning model; according to the target power distribution network fault positioning model, single-end fault positioning is carried out on the multi-branch power distribution network, and a more accurate target fault positioning result can be obtained.

The invention provides a power distribution network single line diagram automatic generation method and system, and belongs to the technical field of power distribution network single line diagram automatic layout, and the method comprises the steps: determining a plurality of connection relation lines based on power grid topology data, and determining a trunk line based on the plurality of connection relation lines. The trunk line includes a plurality of main line nodes. And determining a primary branch line path corresponding to each main line node based on the main line. The primary branch line path includes a plurality of branch nodes. And determining a second-level branch line path corresponding to each branch line node based on the first-level branch line path. And generating a power distribution network single line diagram based on the trunk line, the first-stage branch line path and the second-stage branch line path. According to the automatic generation method and system of the power distribution network single line diagram, the drawing efficiency of the power distribution network single line diagram can be improved.

The present invention provides a method for accurately locating distribution network faults based on distributed traveling wave detection, the method comprising the following steps: S1: configuring a traveling wave monitoring unit; S2: real-time monitoring of faults in the distribution network through the traveling wave monitoring unit; S3: filtering other types of interference traveling waves except for the fault traveling wave signal, identifying and selecting the fault traveling wave; S4: calibrating the time point of the traveling wave head; S5: calculating the minimum propagation time of the traveling wave from each node to each end point, the end points are the ends of the two ends of the main line of the distribution network and the ends of the branch line, and the nodes are all intermediate nodes except the end points; S6: presetting the fault point and calculating the Pearson coefficient r of the time array; S7: traversing the fault point, and judging the actual position of the fault point in turn based on the calculated Pearson coefficient r. The present invention aims at the problem that the distribution network architecture is complex, the faults occur frequently, and the current technology is difficult to accurately locate the faults, and realizes the accurate fault location of the distribution network based on the traveling wave positioning method.

An embodiment relates to a heat management device for a vehicle and a heat management method for a vehicle, which use a branch line and a flow control means to use heat generated from a battery module of a vehicle or a heat generated from an electrical component of the vehicle as a heat source for an air conditioning device installed in the vehicle. Therefore, the heat management device for a vehicle and the heat management method for a vehicle may improve heating performance and quality by selectively using waste heat from the electrical component module and the waste heat from the battery depending on the mode.

The invention discloses a distribution network single-phase earth fault distance measurement method and system based on zero and negative sequence components, and belongs to the technical field of power systems, the distribution network single-phase earth fault distance measurement method based on zero and negative sequence components comprises the following steps: carrying out line section division on a distribution network line, and obtaining line parameter information; when the system operates normally, the detection device monitors three-phase voltage and current and carries out data processing; judging whether a single-phase earth fault occurs or not according to the data change; based on a fault judgment result, a fault section is obtained from the distribution automation system, and equivalent zero-sequence and negative-sequence networks of the system are established; measuring three-phase voltage and current time domain signals after the fault by using a detection device at the bus, and carrying out data processing again; and establishing a distance measurement function of the fault section, solving the function, and calculating the distance from the fault point to the head end of the fault section. According to the method, high precision is kept under various distribution network structures such as a mixed line and a multi-branch line, and the distance measurement precision is not affected by grounding resistance.

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 invention discloses a method for improving the power load following flexibility of a pressurized water reactor, which comprises the following steps: arranging a bypass branch line on a steam bypass pipeline on the secondary side of a steam generator, and arranging a heat energy storage device on the bypass branch line; steam on the secondary side of the steam generator is shunted into the heat energy storage device in proportion through a bypass branch line; when the power load is low, secondary side steam of the steam generator is introduced into the heat energy storage device for heat storage; when the power load is high, the heat energy storage device releases stored heat and heats condensed water, and generated steam is output from the heat energy storage device to be used for power generation. The method does not reduce the operation power of the nuclear reactor, does not cause energy waste, can cope with the mismatching between the power supply and the power demand, maintains reliable energy distribution, and improves the power load following flexibility of the pressurized water reactor.

The invention discloses a pre-meter branch line electric leakage fault positioning method and device, a storage medium and a product. The positioning method comprises the steps of obtaining a transformer area total meter voltage, a user electric meter voltage, a user electric meter active power and a user electric meter reactive power in a measurement period; the virtual impedance of the user is solved; extracting global correlation features and adjacent correlation features of the user virtual impedance; calculating the symmetric relative entropy of the global correlation characteristics and the adjacent correlation characteristics according to the extracted global correlation characteristics and the extracted adjacent correlation characteristics; calculating a comprehensive abnormal score of the user virtual impedance according to the user virtual impedance and the symmetric relative entropy; and carrying out electric leakage fault positioning according to the comprehensive abnormal score of the user virtual impedance. The electric leakage fault positioning efficiency is improved, and the operation and maintenance work efficiency of the low-voltage power distribution network is effectively improved.

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 invention belongs to the technical field of display panels, and provides a pixel control circuit and a display panel. The display panel comprises a plurality of pixel units, each pixel unit comprises an original pixel and a compensation pixel, and the pixel control circuit comprises a row driving module, a column driving module and a plurality of column signal branch lines; each column signal line is connected to each pixel unit of the corresponding column through at least two column signal branch lines, and original pixels and compensation pixels in each column pixel unit are connected to different column signal branch lines of the corresponding column respectively; and the column driving module is used for outputting data signals to the column signal branch lines corresponding to the original pixels and the compensation pixels respectively when the display panel is in a stretching state, so that the original pixels and the compensation pixels are in an activated state. The original pixels and the compensation pixels can be driven in a time-sharing mode, when the display panel is stretched, the compensation pixels are driven to compensate the stretching gap, resolution compensation is achieved, and the display effect during stretching is guaranteed.

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.