Interface line connection structure and distribution automation feeder terminal

Abstract

The invention belongs to the technical field of power equipment, and particularly relates to an interface line connection structure and a power distribution automation feeder terminal. The interface line connecting structure comprises a protocol conversion controller, one end of the protocol conversion controller is provided with a line rope, one end of the line rope is connected with the protocol conversion controller through a USB plug, the other side of the protocol conversion controller is provided with a winding shell, a plurality of groups of patch cords are wound in the winding shell, the other ends of the patch cords are connected with adapters, and the adapters are connected with the protocol conversion controller. A connecting cylinder is movably installed in the middle of the winding shell in a penetrating mode, the outer surface of the connecting cylinder is sleeved with a take-up and pay-off assembly, the patch cord is wound in the take-up and pay-off assembly, and the outer side of the connecting cylinder is sleeved with a second coil spring. According to the interface line connection structure, by adopting the standardized and multi-interface compatible interface line, seamless butt joint between feeder terminals of different brands and models is realized, and debugging difficulty and extra cost caused by non-uniform interfaces are avoided.

Description

Technical Field

[0001] The invention belongs to the technical field of electric power equipment, and in particular relates to an interface line connection structure and a distribution automation feeder terminal. Background Art

[0002] With the development of smart grid, distribution automation has become one of the key links in the modernization of power system. As the core equipment for realizing the automatic control of distribution network, the distribution automation feeder terminal has functions including but not limited to fault detection, isolation and power restoration, which is of great significance for improving power supply reliability. However, in actual application, there are many distribution automation feeder terminal devices produced by different manufacturers on the market, and these devices often use different interface standards and technical specifications, which leads to compatibility issues between devices.

[0003] Specifically, when debugging or maintaining these feeder terminals, technicians often face the following challenges: Due to the lack of unified standards, feeder terminals of different brands use different types of interfaces, resulting in the need to prepare multiple types of connectors or converters during field work, increasing the complexity and cost of the work. Summary of the invention

[0004] The purpose of the present invention is to provide an interface line connection structure and a distribution automation feeder terminal to solve the problem in the prior art that feeder terminals of different brands use different interface types, resulting in the need to prepare multiple types of connectors or converters during on-site work, increasing the complexity and cost of the work.

[0005] In order to achieve the above object, the present invention adopts the following technical solution: The object of the present invention is to provide an interface wire connection structure and a distribution automation feeder terminal. By adopting standardized and multi-interface compatible interface wires, seamless connection between feeder terminals of different brands and models is achieved, thereby avoiding debugging difficulties and additional costs caused by inconsistent interfaces; at the same time, through an integrated cable management system and a method of winding up the interface wires, the problems of inconvenient management and easy entanglement of the interface wires are solved, the confusion of on-site work is reduced, and the risk of incorrect connection is reduced.

[0006] The present invention provides an interface line connection structure, comprising a protocol conversion controller, one end of the protocol conversion controller is provided with a cord, one end of the cord is connected to the protocol conversion controller through a USB plug, a winding shell is installed on the other side of the protocol conversion controller, a plurality of groups of adapter wires are wound in the winding shell, wherein the other end of the adapter wire is connected with an adapter, a connecting cylinder is movably installed through the middle of the winding shell, wherein a retractable assembly is sleeved on the outer surface of the connecting cylinder, the adapter wire is retracted in the retractable assembly, and a coil spring 2 is sleeved on the outer side of the connecting cylinder.

[0007] In a specific implementation, a connecting shell is provided on the side opposite to the protocol conversion controller and the winding shell, and a mounting through slot is provided through the surface of the connecting shell, wherein there are multiple mounting through slots and they are used in conjunction with the adapter cable.

[0008] In a specific implementation manner, a winding seat is provided at the bottom of the protocol conversion controller, and winding rod bodies are connected to the left and right sides of the end of the winding seat.

[0009] In a specific embodiment, two partition members are symmetrically installed at the upper and lower ends of the inner cavity of the winding shell, and the retracting assembly includes a winding sleeve, wherein the winding sleeve is sleeved on the outer surface of the connecting sleeve, and a winding groove cavity is opened on the outer surface of the winding sleeve.

[0010] In a specific implementation, the adapter wire is rolled up in a rolling groove cavity, and a connecting sleeve is connected to the bottom of the rolling sleeve.

[0011] In a specific embodiment, the connection between the connecting cylinder and the winding shell is movably connected via a bearing, the top of the connecting cylinder penetrates to the top of the winding shell, and a plurality of ratchet parts are sleeved at intervals on the outer surface of the connecting cylinder.

[0012] In a specific embodiment, one end of the ratchet member is meshedly connected with a pawl member, the surface of the pawl member is inlaid with a magnet member, the pawl member is rotatably connected to the surface of the partition member through a rotating rod, and at the same time, a coil spring is installed at the bottom of the pawl member.

[0013] In a specific implementation, a pressing rod body is provided through the inner cavity of the connecting tube, a pressing seat is connected to the end of the pressing rod body, and magnetic suction parts are inlaid and installed at intervals on the outer surface of the pressing rod body.

[0014] In a specific embodiment, a mounting groove is provided at the bottom of the pressing rod body, and a spring member is connected to the inner cavity of the mounting groove, wherein the bottom of the spring member passes through the bottom of the pressing rod body and is connected to the bottom of the inner cavity of the connecting tube.

[0015] On the other hand, the present invention also provides a distribution automation feeder terminal with an interface line connection structure, including a distribution automation terminal device, wherein the interface end of the distribution automation terminal device is equipped with a device interface, and the device interface is used in conjunction with an adapter.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: This solution uses a protocol conversion controller to convert the cord and the adapter cable, so that users can reasonably use the adapter cable according to different device interfaces, increasing the convenience of carrying the interface cable connection structure. At the same time, by wrapping the USB plug around the winding rod, the USB plug can be combed. Moreover, when using a single adapter, it is only necessary to pull the adapter cable outward to move it out. When winding the adapter cable, press the pressing seat downward so that the pressing rod drives the magnetic suction part downward until the magnetic suction part repels the magnet part on the pawl part, causing the pawl part to shift outward, and the ratchet part is unrestrained, so that the second coil spring is automatically reset, and the adapter cable is wound and combed. With the cooperation of the ratchet part and the pawl part, the user can pull the adapter cable outward to any position and then hover it at the same time, avoiding it from being retracted inward under the action of the second coil spring.

[0017] This solution adopts a standardized, integrated, and modular approach to develop an interface line connection structure that is easy to carry and can be used for the power supply, debugging, and transmission needs of most common distribution automation feeder terminals. The developed interface line connection structure is easy to plug and unplug and is suitable for mainstream equipment on the current market. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings: Figure 1 It is a three-dimensional schematic diagram of the interface line connection structure of an embodiment of the present invention; Figure 2 It is a three-dimensional exploded schematic diagram of the interface line connection structure of an embodiment of the present invention; Figure 3 It is a schematic diagram of a three-dimensional exploded cross-sectional view of a winding shell structure according to an embodiment of the present invention; Figure 4 It is a three-dimensional schematic diagram of the structure of the pressing rod body, the second coil spring and the retractable assembly according to an embodiment of the present invention; Figure 5 It is a cross-sectional perspective schematic diagram of the connecting tube structure of an embodiment of the present invention; Figure 6 It is a three-dimensional schematic diagram of a pressing rod structure according to an embodiment of the present invention; Figure 7 It is a three-dimensional schematic diagram of the retractable component structure of an embodiment of the present invention; Figure 8 It is a bottom-up stereoscopic schematic diagram of a partial structure of a pressing rod body according to an embodiment of the present invention; Fig. 9 It is a schematic diagram of the three-dimensional assembly of the interface line connection structure and the distribution automation feeder terminal according to an embodiment of the present invention.

[0019] Icons: 100, protocol conversion controller; 110, connecting shell; 111, mounting slot; 120, winding seat; 121, winding rod; 200, cord; 210, USB plug; 300, winding shell; 310, partition member; 320, retracting assembly; 321, winding sleeve; 322, winding slot; 323, connecting sleeve; 400, connecting cylinder; 410, pressing seat; 420, ratchet member; 430, pawl member; 440, coil spring one; 500, pressing rod; 501, mounting slot; 510, magnetic member; 520, spring member; 600, coil spring two; 700, adapter cable; 710, adapter; 800, distribution automation terminal equipment; 810, equipment interface. DETAILED DESCRIPTION

[0020] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict.

[0021] The following detailed description is an exemplary description, which is intended to provide further detailed description of the present invention. Unless otherwise specified, all technical terms used in the present invention have the same meaning as those generally understood by those skilled in the art to which the present application belongs. The terms used in the present invention are only for describing specific embodiments, and are not intended to limit exemplary embodiments according to the present invention.

[0022] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, the meaning of "multiple" is two or more. In the description of the present invention, it should be noted that, unless otherwise clearly specified and defined, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] The distribution automation feeder terminal (FTU) is the interface between the automation system and the primary equipment. It is mainly used for monitoring and controlling the distribution system transformers, circuit breakers, reclosers, sectionalizers, pole load switches, ring network cabinets, voltage regulators, and reactive compensation capacitors.

[0025] Remote signaling function: FTU should be able to collect important status information such as the current position of the pole switch, whether the communication is normal, and the completion of energy storage. The response time to the switch closing / opening operation should be within 1 second.

[0026] Telemetry function: FTU should be able to collect analog quantities such as line voltage, load current experienced by the switch, active power, reactive power, etc., and perform harmonic analysis. The voltage and current collection accuracy is 2%~3%.

[0027] Remote control function: FTU should be able to accept remote commands to control the closing and tripping of the switch on the control column, as well as start the energy storage process, etc. The switch closing / opening operation is completed within 3~5 seconds and has a return to calibration function.

[0028] Remote adjustment function: FTU should be able to count and monitor the number of switch operations and operation time.

[0029] Time synchronization function: FTU should be able to accept the time synchronization command of the main system so as to keep consistent with the main system clock.

[0030] Accident recording function: FTU should be able to record the maximum fault current when the accident occurs and the average load for a period of time before the accident in order to analyze the fault.

[0031] Self-detection and self-recovery functions: FTU should have a self-detection function and give a timely alarm when the equipment fails. It should also have a reliable self-recovery function so that it can resume normal operation once it freezes due to interference.

[0032] Remote control and manual operation functions: When inspecting lines and switches, the corresponding FTU should be able to have remote control locking and manual switch closing / opening operation functions to ensure the safety of operation and avoid serious accidents caused by misoperation.

[0033] Remote communication function: FTU should have remote communication function, which can collect data from lower-level substations and upload it to the upper-level main station.

[0034] The distribution automation feeder terminal has three-stage protection functions: quick-break, time-limited quick-break, and time-limited overcurrent. It has a manual acceleration protection function. The circuit breaker is closed on the fault to accelerate the tripping and lock the closing. It has 0~4 times automatic reclosing function to meet specific working characteristics. The number of reclosing times and reclosing delay can be freely set. It has zero-sequence protection function and can judge small current grounding faults. It has inrush suppression function, overvoltage trip protection function, undervoltage trip protection function, power-on closing protection function, prepaid tripping function, frequency protection function, and energy storage alarm function.

[0035] Feeder automation terminals play a vital role in the distribution network automation system. They can not only collect and control data on distribution switches or ring network cabinets, but also interact with the master station system and perform communication forwarding functions. With the continuous development of distribution network automation technology, the functions of feeder automation terminals are also being continuously improved and expanded. For example, some advanced feeder automation terminals have integrated feeder fault detection, automatic reclosing, and some power quality detection functions.

[0036] However, due to the lack of unified standards, feeder terminals of different brands use different interface types, which requires the preparation of multiple types of connectors or converters during field work, increasing the complexity and cost of the work; at the same time, existing interface cables are usually long and numerous, which can easily cause confusion and entanglement, not only affecting work efficiency, but also causing faults or safety hazards due to misconnection. Ultimately, the need to carry multiple interface cables increases the burden on staff, especially during outdoor operations, where portability and ease of operation are greatly reduced. When in use, by adopting standardized and multi-interface compatible interface cables, seamless connection between feeder terminals of different brands and models is achieved, thereby avoiding debugging difficulties and additional costs caused by inconsistent interfaces; at the same time, through the integrated cable management system and the method of winding interface cables, the problems of inconvenient management and easy entanglement of interface cables are solved, the confusion of field work is reduced and the risk of incorrect connection is reduced, thereby solving the above-mentioned defects.

[0037] Some embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0038] Example 1 Please refer to Figures 1 to 8 The embodiment of the present invention provides an interface line connection structure, including a protocol conversion controller 100; a connection housing 110 is provided on the side opposite to the protocol conversion controller 100 and the winding housing 300, and a mounting through slot 111 is provided on the surface of the connection housing 110; wherein the number of the mounting through slots 111 is multiple and is used in conjunction with the adapter cable 700, and the end of the adapter cable 700 away from the adapter 710 penetrates the mounting through slot 111 and is movably installed with the protocol conversion controller 100, and the outer surface of the connection housing 110 is fixedly connected to the end of the winding housing 300 connected to the protocol conversion controller 100; A reel seat 120 is provided at the bottom of the protocol conversion controller 100, and reel rods 121 are connected to the left and right sides of the end of the reel seat 120, wherein the ends of the reel rods 121 are respectively connected to the protocol conversion controller 100 and the bottom of the winding shell 300, so that the two reel rods 121 can be used to reel and comb the USB plug 210, thereby increasing the portability of the interface line connection structure; As a further optimization of this solution, rubber sleeves are bonded to the front and rear sides of the end of the winding seat 120. When the USB plug 210 is wound on the winding rod 121, its tail end can be inserted into the rubber sleeve to fix the USB plug 210 and one end of the cord 200. One end of the protocol conversion controller 100 is provided with a cord 200, and one end of the cord 200 is connected to the protocol conversion controller 100 through a USB plug 210, wherein a shielding magnetic ring is installed on the USB plug 210, and the protocol conversion controller 100 uses a protocol conversion chip to perform data conversion between the cord 200 and the adapter 710; A winding shell 300 is installed on the other side of the protocol conversion controller 100; two partition members 310 are symmetrically installed at the upper and lower ends of the inner cavity of the winding shell 300, and the two partition members 310 can be used to divide the winding shell 300 into multiple storage spaces, so as to be used to roll up and store multiple adapter cables 700 respectively, wherein the outer surface of the connecting cylinder 400 is in sliding contact with the inner circle of the partition member 310, and there are three coil springs 600, which are respectively arranged in the inner cavity of the winding shell 300 and in the chamber separated by the partition member 310, and the retracting assembly 320 includes a winding sleeve 321, wherein the winding sleeve 321 is sleeved on the outer surface of the connecting cylinder 400, and a winding groove cavity 322 is opened on the outer surface of the winding sleeve 321; the adapter cable 700 is rolled up in the winding groove cavity 322, and the bottom of the winding sleeve 321 is connected to a connecting sleeve 323, and the connecting sleeve 323 and the coil spring 600 are used in conjunction with each other; A connecting cylinder 400 is movably installed through the middle of the winding shell 300, wherein a retracting assembly 320 is sleeved on the outer surface of the connecting cylinder 400, and the adapter cable 700 is retracted in the retracting assembly 320 for combing the adapter cable 700. The connection between the connecting cylinder 400 and the winding shell 300 is movably connected through a bearing, and the top of the connecting cylinder 400 penetrates to the top of the winding shell 300, and a plurality of ratchet pieces 420 are sleeved at intervals on the outer surface of the connecting cylinder 400; One end of the ratchet wheel 420 is meshedly connected with a pawl 430, and a magnet is embedded on the surface of the pawl 430. The pawl 430 is rotatably connected to the surface of the partition 310 through a rotating rod. At the same time, a coil spring 1 440 is installed at the bottom of the pawl 430, wherein one end of the coil spring 1 440 is connected to the surface of the pawl 430, so that the pawl 430 can continue to reset after the ratchet wheel 420 is moved by an external force; The inner cavity of the connecting tube 400 is penetrated by a pressing rod body 500, and the end of the pressing rod body 500 is connected to a pressing seat 410 for increasing the contact area with the pressing rod body 500, so that the user can press the pressing rod body 500. The outer surface of the pressing rod body 500 is inlaid with magnetic suction parts 510 at intervals. When the pressing rod body 500 moves downward, the magnetic suction part 510 and the magnet part are installed to repel each other under the principle that like magnets repel each other and opposite magnets attract each other, so that when the magnetic suction part 510 approaches the magnet part on the pawl part 430, they can repel each other, drive the pawl part 430 to move, and under the action of the second coil spring 600, the ratchet part 420 is free from foreign objects, and the adapter cable 700 is driven to reset; The bottom of the pressing rod body 500 is provided with a mounting groove 501, and the inner cavity of the mounting groove 501 is connected with a spring member 520, wherein the bottom of the spring member 520 penetrates to the bottom of the pressing rod body 500 and is connected to the bottom of the inner cavity of the connecting tube 400, so that, under the influence of the spring member 520, the end of the pressing rod body 500 extends out of the top of the connecting tube 400, so that the magnetic member 510 and the pawl member 430 do not repel each other, and when the pressing rod body 500 is pressed downward, the magnetic member 510 approaches the magnet member on the pawl member 430, and the two repel each other, so that the pawl member 430 is offset outward and separated from the ratchet member 420; A plurality of adapter cables 700 are wound in the winding shell 300, wherein the other end of the adapter cable 700 is connected to an adapter 710, which is a different data connector and can be connected to different device interfaces 810; wherein the adapter 710 is specifically an RJ45 connector, a pin-type DB9 connector, an RS-232 DB25 connector, an RS-485 / 422 connector, an M12 connector, an SMB connector, and a female DuPont line connector, etc.; The outer side of the connecting tube 400 is provided with a coil spring 2 600 . There are multiple coil springs 600 and they are used together with the adapter line 700 . The multiple coil springs 600 are respectively installed at the bottom of the inner cavity of the winding shell 300 and above the partition member 310 .

[0039] In summary, the working principle of an interface line connection structure and a distribution automation feeder terminal in an embodiment of the present invention is as follows: under the action of the protocol conversion controller 100, the cord 200 and the adapter line 700 are converted, so that the user can reasonably use the adapter line 700 according to different device interfaces 810, thereby increasing the convenience of carrying the interface line connection structure. At the same time, the USB plug 210 is wound around the winding rod 121, so that the USB plug 210 can be combed, and when a single adapter 710 is used, it is only necessary to pull the adapter line 700 outward to move it out. When winding the adapter cable 700, the pressing seat 410 is pressed downward, so that the pressing rod 500 drives the magnetic element 510 to move downward until the magnetic element 510 repels the magnet element on the pawl element 430, causing the pawl element 430 to deviate outward, and the ratchet element 420 is unrestrained, so that the coil spring 600 is automatically reset, and the adapter cable 700 is wound and combed. With the cooperation of the ratchet element 420 and the pawl element 430, the user can pull the adapter cable 700 outward to any position and then hover at the same time, avoiding the inward retraction under the action of the coil spring 600.

[0040] Example 2 Please refer to Figures 1 to 9 The embodiment of the present invention further provides a distribution automation feeder terminal with an interface line connection structure. The interface end of the distribution automation terminal device 800 is installed with a device interface 810, and the device interface 810 is used in conjunction with the adapter 710. Therefore, when the device interfaces 810 on the distribution automation terminal device 800 are not unified, different adapters 710 can be used to connect to the device interface 810, avoiding the problem of inconvenience caused by carrying multiple different connectors.

[0041] The embodiment of the present invention provides an interface line connection structure and a distribution automation feeder terminal. Through the design of a protocol conversion controller and a winding shell, the problems of interface diversity and interface line confusion of the feeder terminal are solved, work efficiency is improved, and the burden on the staff is reduced, especially the portability and convenience of operation during outdoor operations are improved. At the same time, the distribution automation feeder terminal uses the interface line connection structure to conveniently connect devices with different interfaces, thereby improving the compatibility and use efficiency of the devices.

[0042] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0043] It is known from common technical knowledge that the present invention can be implemented by other embodiments that do not deviate from its spirit or essential features. Therefore, the above disclosed embodiments are only illustrative in all respects and are not exclusive. All changes within the scope of the present invention or within the scope equivalent to the present invention are included in the present invention.

Claims

1. An interface line connection structure, characterized in that: It comprises a protocol conversion controller (100), one end of the protocol conversion controller (100) is provided with a cord (200), and one end of the cord (200) is connected to the protocol conversion controller (100) via a USB plug (210); A winding shell (300) is installed on the other side of the protocol conversion controller (100), and a plurality of sets of adapter wires (700) are wound inside the winding shell (300), wherein the other end of the adapter wire (700) is connected to an adapter (710), and a connecting cylinder (400) is movably installed through the middle of the winding shell (300); The outer surface of the connecting tube (400) is sleeved with a retractable assembly (320), the adapter wire (700) is retracted inside the retractable assembly (320), and the outer side of the connecting tube (400) is sleeved with a second coil spring (600).

2. The interface line connection structure according to claim 1, characterized in that: A connecting housing (110) is provided on a side opposite to the protocol conversion controller (100) and the winding housing (300), and a mounting through slot (111) is provided through the surface of the connecting housing (110), wherein the mounting through slots (111) are multiple in number and are used in conjunction with the adapter cable (700).

3. The interface line connection structure according to claim 1, characterized in that: A reeling seat (120) is provided at the bottom of the protocol conversion controller (100), and reeling rod bodies (121) are connected to the left and right sides of the end of the reeling seat (120).

4. The interface line connection structure according to claim 1, characterized in that: Two partition members (310) are symmetrically mounted at the upper and lower ends of the inner cavity of the winding shell (300); the retracting assembly (320) comprises a retracting sleeve (321); The winding sleeve (321) is sleeved on the outer surface of the connecting sleeve (400), and a winding groove cavity (322) is provided on the outer surface of the winding sleeve (321).

5. The interface line connection structure according to claim 4, characterized in that: The adapter wire (700) is rolled up in the rolling groove cavity (322), and the bottom of the rolling sleeve (321) is connected to a connecting sleeve (323).

6. The interface line connection structure according to claim 1, characterized in that: The connection between the connecting cylinder (400) and the winding shell (300) is movably connected via a bearing, the top of the connecting cylinder (400) penetrates to the top of the winding shell (300), and a plurality of ratchet parts (420) are sleeved at intervals on the outer surface of the connecting cylinder (400).

7. The interface line connection structure according to claim 6, characterized in that: One end of the ratchet wheel (420) is meshedly connected with a pawl (430), the surface of the pawl (430) is inlaid with a magnet, and the pawl (430) is rotatably connected to the surface of the partition (310) via a rotating rod. At the same time, a coil spring (440) is installed at the bottom of the pawl (430).

8. The interface line connection structure according to claim 1, characterized in that: A pressing rod body (500) is provided through the inner cavity of the connecting tube (400), and a pressing seat (410) is connected to the end of the pressing rod body (500); Magnetic attracting components (510) are inlaid and installed at intervals on the outer surface of the pressing rod body (500).

9. The interface line connection structure according to claim 1, characterized in that: The bottom of the pressing rod body (500) is provided with a mounting groove (501), and the inner cavity of the mounting groove (501) is connected to a spring member (520); The bottom of the spring member (520) penetrates the bottom of the pressing rod body (500) and is connected to the bottom of the inner cavity of the connecting tube (400).

10. A distribution automation feeder terminal comprising the interface line connection structure of claim 1, wherein the interface end of the distribution automation terminal device (800) is installed with a device interface (810), and the device interface (810) is used in conjunction with an adapter (710).

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