Intelligent draw-out type ring main unit

The intelligent pull-out ring main unit's snap-fit ​​components and sliding rod structure solve the problem of difficult-to-quickly replace and maintain modules in the ring main unit, thus improving the continuity and stability of the power supply system.

CN224021244UActive Publication Date: 2026-03-20YANTAI HAIFA ELECTRIC SCI CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-14
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

When some modules in the existing ring main unit malfunction, it is difficult to remove, replace, or repair them quickly, affecting the continuity and stability of power supply.

Method used

An intelligent pull-out ring main unit was designed, which adopts a snap-fit ​​assembly and a sliding rod structure to allow the module to be slidably installed. Through the cooperation of springs and snap-fit ​​strips, the module can be quickly disassembled and installed.

Benefits of technology

This enables rapid module replacement and maintenance, improving the continuity and stability of the power supply system.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an intelligent draw-out type ring main unit, which relates to the technical field of ring main units and comprises a cabinet body, a frame and a plurality of clamping assemblies. A containing groove is formed in the cabinet body, the frame is arranged in the containing groove, the frame comprises a bottom plate, a top plate and a plurality of connecting plates, the bottom plate and the top plate are connected through the connecting plates, and a wire inlet module, a wire outlet module, a bus coupler module and a height generation module are arranged between the adjacent connecting plates; the clamping assembly comprises clamping strips, springs and sliding rods, the clamping strips are slidably installed on the two sides of the wire inlet module, the wire outlet module, the bus coupler module and the height generation module by forming first sliding grooves, and the springs are arranged between the inner walls of the sliding grooves and the clamping strips. The front faces of the wire inlet module, the wire outlet module, the bus coupler module and the height generation module are provided with second sliding grooves to slidably install sliding rods, the sliding rods are connected with clamping strips, and the connecting plate is provided with clamping grooves matched with the clamping strips. According to the utility model, through the clamping assembly, a worker can maintain and replace each module in the ring main unit.
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Description

TECHNICAL FIELD

[0001] The utility model relates to ring main unit technical field especially intelligent pull -out type ring main unit. BACKGROUND

[0002] Ring main unit is a group of power transmission and distribution electrical equipment (high voltage switch equipment) is installed in metal or nonmetal insulation cabinet or is made into the electrical equipment of assembled interval type ring network power supply unit, its core part adopts load switch and fuse, has simple structure, small size, low price, can improve power supply parameter and performance and power supply safety and so on The advantages such as safety. It is widely used in the power distribution station and box-type substation of load center of city residential area, high-rise building, large public building, factory enterprise etc.

[0003] The internal structure of the current ring main unit is relatively simple, the mounting plate inside the ring main unit is generally fixed, when part of the modules in the incoming line cabinet, outgoing line cabinet, bus coupler cabinet and high-voltage cabinet have problems, the operation or maintenance can only be carried out after stopping the operation of the entire power system, which undoubtedly greatly affects the continuity and stability of power supply. INVENTION CONTENTS

[0004] The utility model provides a kind of intelligent pull -out type ring main unit, part of the modules in ring main unit in the technical problem that can improve the technical problem that it is difficult to remove and replace or repair quickly when appearing problem in relevant technology.

[0005] The application embodiment provides an intelligent pull-out type ring main unit, comprising: a cabinet body, a frame, a plurality of clamping components;

[0006] The cabinet body is provided with a receiving groove, and the frame is arranged in the receiving groove. The frame includes a bottom plate, a top plate and a plurality of connecting plates. The bottom plate and the top plate are connected by the plurality of connecting plates. Adjacent connecting plates are provided with incoming line modules, outgoing line modules, bus coupler modules and high-voltage modules.

[0007] The clamping component includes a clamping strip, a spring and a sliding rod. The incoming line modules, the outgoing line modules, the bus coupler modules and the high-voltage modules are slidably installed with the clamping strips by opening first sliding grooves on both sides. The spring is arranged between the inner wall of the sliding groove and the clamping strip. The front of the incoming line modules, the outgoing line modules, the bus coupler modules and the high-voltage modules are slidably installed with the sliding rods by opening second sliding grooves. The sliding rod is perpendicularly connected with the clamping strip. The connecting plate is provided with a clamping groove matched with the clamping strip.

[0008] The above technical solutions in the application embodiment have at least the following technical effects:

[0009] When the incoming line module, the outgoing line module, the bus tie module and the generator high module need to be repaired or replaced, the slide rods on both sides of the module are moved in the direction of approaching each other, the spring is compressed under stress, the clamping strip is moved into the first sliding groove, the module is pulled, and the module can be taken out for repair; when replaced, the old module is taken out using the above method, the slide rods on both sides of the new module are moved in the direction of approaching each other, the spring is compressed under stress, the clamping strip is moved into the first sliding groove, the module is pushed into the adjacent two connecting plates, the slide rods are loosened, the clamping strip is abutted against the connecting plate under the elasticity of the spring, and is clamped into the clamping groove in the process of pushing the module, and installation is completed; the operation is simple and convenient, and the technical problem that when some modules in the ring main unit have problems, it is difficult to quickly remove and replace or repair is solved.

[0010] In some embodiments, the front of the incoming line module, the outgoing line module, the bus tie module and the generator high module is provided with a fixing frame, a lead screw is rotatably installed on the fixing frame, opposite threads are arranged on both sides of the lead screw, and a sliding plate is rotatably connected to both sides of the lead screw through the threads.

[0011] In some embodiments, the lead screw penetrates through the fixing frame and is fixedly connected with a rotating handle.

[0012] In some embodiments, the incoming line module, the outgoing line module, the bus tie module and the generator high module are provided with a plurality of limiting strips on both sides, a plurality of limiting grooves are arranged on the connecting plate, and the limiting strips are slidably attached to the inner walls of the limiting grooves.

[0013] In some embodiments, a module joint is arranged on the top plate, and the module joint is connected with the incoming line module, the outgoing line module, the bus tie module and the generator high module through wires.

[0014] In some embodiments, a cabinet door for closing the slot opening of the accommodating slot is arranged on the cabinet body.

[0015] In some embodiments, a plurality of heat dissipation openings are formed in the cabinet door.

[0016] In summary, the utility model has at least one of the following beneficial technical effects:

[0017] 1. The sliding rods on both sides of the module to be repaired are moved in the direction of approaching each other, the clamping strip is moved into the first sliding groove, the module is pulled, and the module can be taken out for repair; when replacing, the old module is taken out using the above method, the sliding rods on both sides of the new module are moved in the direction of approaching each other, the spring is compressed under stress, the clamping strip is moved into the first sliding groove, the module is pushed into the adjacent two connecting plates, the sliding rods are loosened, the clamping strip abuts against the connecting plate under the elasticity of the spring, and is clamped into the clamping groove during the pushing process of the module, and the installation is completed; the operation is simple and convenient, and the technical problem that when some modules in the ring main unit have problems, it is difficult to quickly remove and replace or repair is solved. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0019] Figure 1 A perspective structural schematic diagram of an intelligent draw-out type ring main unit is provided.

[0020] Figure 2 A schematic diagram of the internal structure of the cabinet body is provided.

[0021] Figure 3 A structure diagram of the outgoing line module and the adjacent connecting plate member after being unfolded is provided.

[0022] Figure 4 A Figure 3 An enlarged view of part A in the figure.

[0023] Figure 5 An internal structure diagram of the clamping assembly and the fixing frame.

[0024] In the figure, various reference signs are as follows:

[0025] 10, cabinet body; 11, containing groove; 111, first sliding groove; 112, second sliding groove; 113, limiting strip; 12, incoming line module; 13, outgoing line module; 14, bus coupler module; 15, potential transformer module; 16, module joint; 17, cabinet door; 171, heat dissipation opening; 20, frame; 21, bottom plate; 22, top plate; 23, connecting plate; 231, clamping groove; 232, limiting groove; 30, clamping assembly; 31, clamping strip; 32, spring; 33, sliding rod; 40, fixing frame; 41, screw rod; 42, sliding plate; 43, handle. DETAILED DESCRIPTION

[0026] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail below in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described herein are only intended to explain the present application and not to limit the present application.

[0027] Based on this, the technical problems existing in the related art can be improved, and the embodiments of the present application provide the following solutions.

[0028] Please refer to Figures 1 to 5 The intelligent draw-out type ring main unit provided by the embodiments of the present application comprises a cabinet 10, a frame 20, and a plurality of clamping assemblies 30.

[0029] The cabinet 10 is provided with a receiving groove 11, and the frame 20 is arranged in the receiving groove 11. The frame 20 comprises a bottom plate 21, a top plate 22, and a plurality of connecting plates 23. The bottom plate 21 and the top plate 22 are connected by the plurality of connecting plates 23. An incoming line module 12, an outgoing line module 13, a bus tie module 14, and a potential transformer module 15 are arranged between adjacent connecting plates 23.

[0030] The clamping assembly 30 comprises a clamping strip 31, a spring 32, and a sliding rod 33. The incoming line module 12, the outgoing line module 13, the bus tie module 14, and the potential transformer module 15 are slidably installed by being provided with a first sliding groove 111 on both sides. The spring 32 is arranged between the inner wall of the sliding groove and the clamping strip 31. The incoming line module 12, the outgoing line module 13, the bus tie module 14, and the potential transformer module 15 are slidably installed by being provided with a second sliding groove 112 on the front face. The sliding rod 33 is perpendicularly connected to the clamping strip 31. The connecting plate 23 is provided with a clamping groove 231 matched with the clamping strip 31.

[0031] As can be seen from the above, when a certain module of the incoming line module 12, the outgoing line module 13, the bus tie module 14, and the potential transformer module 15 needs to be repaired or replaced, the sliding rods 33 on both sides of the module are moved in the direction of approaching each other, the spring 32 is compressed under force, the clamping strip 31 is moved into the first sliding groove 111, the module is pulled, and the module can be taken out for repair. When the module is replaced, the old module is taken out using the above method, the sliding rods 33 on both sides of the new module are moved in the direction of approaching each other, the spring 32 is compressed under force, the clamping strip 31 is moved into the first sliding groove 111, the module is pushed into the adjacent two connecting plates 23, the sliding rod 33 is loosened, the clamping strip 31 is abutted against the connecting plate 23 under the elasticity of the spring 32, and the clamping strip 31 is clamped into the clamping groove 231 during the pushing process of the module, so that the installation is completed. The operation is simple and convenient, and the technical problem that the modules in the ring main unit are difficult to be quickly removed and replaced or repaired when some of the modules have problems is solved.

[0032] Optionally, in some embodiments, please refer to Figures 2 to 5The front of the incoming line module 12, the outgoing line module 13, the bus tie module 14 and the high voltage generator module 15 is provided with a fixing frame 40, a lead screw 41 is rotatably installed on the fixing frame 40, opposite threads are arranged on the two sides of the lead screw 41, and a sliding plate 42 is rotatably connected to the two sides of the lead screw 41 through threads, the sliding plate 42 is slidably installed on the fixing frame 40, and the sliding rod 33 abuts against the sliding plate 42.

[0033] In this way, when one of the incoming line module 12, the outgoing line module 13, the bus tie module 14 and the high voltage generator module 15 needs to be maintained, the lead screw 41 is rotated, the sliding plates 42 on the two sides of the lead screw 41 are moved in the direction of approaching each other, the sliding rods 33 on the two sides of the module are moved in the direction of approaching each other, the spring 32 is compressed under force, the clamping strip 31 is moved into the first sliding groove 111, the lead screw 41 can be loosened, the fixing frame 40 can be pulled, and the module can be taken out for maintenance; therefore, the arrangement of the lead screw 41, the sliding plate 42 and the fixing frame 40 facilitates the staff to control the sliding position of the clamping strip 31, and further facilitates the replacement operation of each module.

[0034] Optionally, in some embodiments, referring to Figures 2 to 5 The lead screw 41 penetrates through the fixing frame 40 and is fixedly connected with a rotating handle 43.

[0035] In this way, the rotating handle 43 is used for facilitating the staff to control the rotation of the lead screw 41.

[0036] Optionally, in some embodiments, referring to Figures 2-3 The incoming line module 12, the outgoing line module 13, the bus tie module 14 and the high voltage generator module 15 are provided with a plurality of limiting strips 113 on the two sides, a plurality of limiting grooves 232 are arranged on the connecting plate 23, and the limiting strips 113 are slidably attached to the inner walls of the limiting grooves 232.

[0037] In this way, when each module is installed or taken out, the limiting strips 113 are slidably attached to the inner walls of the limiting grooves 232, so that the module is difficult to shake during movement.

[0038] Optionally, in some embodiments, referring to Figure 2 A module joint 16 is arranged on the top plate 22, and the module joint 16 is connected with the incoming line module 12, the outgoing line module 13, the bus tie module 14 and the high voltage generator module 15 through wires.

[0039] In this way, the module joint 16 is a device for connecting different electronic modules, which can connect the incoming line module 12, the outgoing line module 13, the bus tie module 14 and the high voltage generator module 15 together through wires to form a complete electronic device, and plays an important role.

[0040] Optionally, in some embodiments, referring to Figure 1 The cabinet body 10 is provided with a cabinet door 17 for closing the slot of the accommodating slot 11.

[0041] In this way, the cabinet door 17 is used to close the cabinet body 10, reducing the probability of dust entering the cabinet body 10.

[0042] Optionally, in some embodiments, referring to Figure 1 The cabinet door 17 is provided with a plurality of heat dissipation openings 171.

[0043] In this way, the heat dissipation openings 171 enable the circulation of air inside and outside, thereby dissipating heat from each module in the accommodating slot 11.

[0044] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modifications, equivalent replacements and improvements made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An intelligent pull-out ring main unit, characterized in that: Includes cabinet (10), frame (20), and multiple snap-fit ​​components (30); The cabinet (10) has a receiving slot (11) and the frame (20) is set in the receiving slot (11). The frame (20) includes a bottom plate (21), a top plate (22) and multiple connecting plates (23). The bottom plate (21) and the top plate (22) are connected by multiple connecting plates (23). An inlet module (12), an outlet module (13), a bus tie module (14) and a height increase module (15) are provided between adjacent connecting plates (23). The snap-fit ​​assembly (30) includes a snap-fit ​​strip (31), a spring (32), and a slide bar (33). The snap-fit ​​strip (31) is slidably installed on both sides of the inlet module (12), outlet module (13), bus tie module (14), and height-increasing module (15) by opening a first slide groove (111). The spring (32) is disposed between the inner wall of the slide groove and the snap-fit ​​strip (31). The slide bar (33) is slidably installed on the front of the inlet module (12), outlet module (13), bus tie module (14), and height-increasing module (15) by opening a second slide groove (112). The slide bar (33) is vertically connected to the snap-fit ​​strip (31). The connecting plate (23) is provided with a snap-fit ​​groove (231) that matches the snap-fit ​​strip (31).

2. The intelligent withdrawable ring main unit according to claim 1, characterized in that: The front of the incoming line module (12), the outgoing line module (13), the bus connector module (14) and the height-increasing module (15) are all provided with a fixing frame (40). A lead screw (41) is rotatably installed on the fixing frame (40). The lead screw (41) has threads in opposite directions on both sides. The two sides of the lead screw (41) are rotatably connected to a sliding plate (42) through the threads. The sliding plate (42) is slidably installed on the fixing frame (40). The sliding rod (33) abuts against the sliding plate (42).

3. The intelligent withdrawable ring main unit according to claim 2, characterized in that: The lead screw (41) passes through the fixed frame (40) and is fixedly connected to the handle (43).

4. A smart withdrawable ring main unit according to any one of claims 1-3, characterized in that: The incoming line module (12), outgoing line module (13), bus connector module (14) and height generation module (15) are each provided with multiple limiting strips (113) on both sides, and the connecting plate (23) is provided with multiple limiting grooves (232). The limiting strips (113) slide against the inner wall of the limiting grooves (232).

5. The intelligent withdrawable ring main unit according to claim 1, characterized in that: The top plate (22) is provided with a module connector (16), which is connected to the inlet module (12), the outlet module (13), the bus tie module (14) and the height generation module (15) respectively via wires.

6. The intelligent withdrawable ring main unit according to claim 1, characterized in that: The cabinet (10) is provided with a cabinet door (17) for closing the opening of the receiving slot (11).

7. The intelligent withdrawable ring main unit according to claim 6, characterized in that: The cabinet door (17) has multiple heat dissipation vents (171).