High-voltage ring main unit with full assembly structure

The high-voltage ring main unit, with its fully assembled structural design, solves the problem of inconvenient component replacement, achieving convenient disassembly and assembly and reducing maintenance costs.

CN224400928UActive Publication Date: 2026-06-23SHANDONG DONGJIE ELECTRIC CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG DONGJIE ELECTRIC CO LTD
Filing Date
2025-06-23
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

The existing high-voltage ring main unit's cabinet structure design makes component replacement inconvenient and maintenance costs high.

Method used

It adopts a fully assembled structural design, including a rectangular frame, wire harness separator, template and electrical mounting bracket. Components are installed by bolt assembly, which facilitates disassembly and maintenance.

Benefits of technology

It enables convenient disassembly and maintenance of internal components, reducing maintenance costs and improving maintenance efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to high -voltage ring main unit technical field, and disclose full assembly structure high -voltage ring main unit, including cabinet body main part, the first closed mechanism is rotatably installed above cabinet body main part front end, the second closed mechanism is rotatably installed below cabinet body main part front end, and cabinet body main part includes rectangular frame, and the wire harness partition board is fixedly installed through bolt assembly on the upper side of the inboard wall of the four around of rectangular frame. The utility model discloses a whole high -voltage ring main unit adopts full assembly structure design, and it includes a rectangular frame, and the upper end of its is provided with wire harness partition board, and it is favorable for wiring, and the rectangular frame around of its is installed with template and is used for carrying out the closure of cabinet body periphery, and the side edge and the bottom end of one side of its rectangular frame all are provided with electrical mounting frame, and the internal element of high -voltage ring main unit can be installed, and its template, wire harness partition board and electrical mounting frame all are installed on the rectangular frame through bolt assembly, and it is favorable for dismounting, and the internal element of its cabinet body is favorable for overhauling maintenance.
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Description

Technical Field

[0001] This utility model relates to the field of high-voltage ring main unit technology, specifically a fully assembled high-voltage ring main unit. Background Technology

[0002] A high-voltage ring main unit is an electrical device consisting of a set of high-voltage switchgear housed in a steel plate metal cabinet or assembled into a modular ring main power supply unit. Its core components include load switches and fuses. The cabinet is typically made of steel plate, providing excellent mechanical strength and protection, effectively preventing external environmental factors such as dust, moisture, and small animals from affecting the internal electrical equipment.

[0003] The existing high-voltage ring main unit still has the following problems when in use: its high-voltage ring main unit usually adopts an integrated cabinet structure design. Due to its traditional integrated cabinet structure design, it can only open the front opening of the cabinet through the front door to replace the internal components. This design makes it inconvenient to replace internal components such as fuses and switch contacts, which in turn makes maintenance inconvenient and the maintenance cost high. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a fully assembled high-voltage ring main unit, which solves the problems mentioned in the background technology.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a fully assembled high-voltage ring main unit, comprising a cabinet body, a first sealing mechanism rotatably mounted on the upper front end of the cabinet body, and a second sealing mechanism rotatably mounted on the lower front end of the cabinet body. The cabinet body includes a rectangular frame, and wire harness partition plates are fixedly mounted on the upper part of the inner sidewalls of the rectangular frame by bolt assemblies. Two wire harness partition grooves are symmetrically opened between the upper and lower sidewalls of the wire harness partition plates. A first template is fixedly mounted on each of the upper and lower ends of the rectangular frame by bolt assemblies. A third template is fixedly mounted on the lower part of one end of the rectangular frame by bolt assemblies. A second template is fixedly mounted on the other end and the rear end of the rectangular frame by bolt assemblies. An electrical installation mechanism is fixedly mounted on one side and the bottom end of the rectangular frame by bolt assemblies.

[0008] As a further embodiment of this utility model: a baffle is fixedly snapped onto the upper front end of the inner sidewall of the rectangular frame, the top of the third template is flush with the top of the wire harness partition plate, and the top of the first template above has multiple ventilation holes arranged in a rectangular array.

[0009] As a further embodiment of this utility model: the electrical installation mechanism includes a first electrical installation frame that is symmetrically installed at the middle of one end of the inner sidewall of a rectangular frame and fixed by bolt assembly; the electrical installation mechanism also includes a second electrical installation frame that is symmetrically installed at the lower end of one end of the inner sidewall of the rectangular frame and fixed by bolt assembly; and the electrical installation mechanism also includes a third electrical installation frame that is fixedly installed on the bottom wall of the inner sidewall of the rectangular frame by bolt assembly.

[0010] As a further embodiment of this utility model: two first hinges are fixedly installed symmetrically at the upper front end of the rectangular frame, and the first closing mechanism includes a first cabinet door fixedly connected to the rotating ends of the two first hinges. The front end of the first cabinet door is provided with a first handle mounting groove. Two second hinges are fixedly installed symmetrically at the lower front end of the rectangular frame, and the second closing mechanism includes a second cabinet door fixedly connected to the rotating ends of the two second hinges. The front end of the second cabinet door is provided with a second handle mounting groove and a mating mounting groove.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. In this utility model, the overall high-voltage ring main unit adopts a fully assembled structural design, which includes a rectangular frame with a wire harness partition plate at the top for easy wiring. Templates are installed around the rectangular frame for sealing the perimeter of the cabinet. Electrical mounting brackets are provided on one side and at the bottom of the rectangular frame for installing the internal components of the high-voltage ring main unit. The templates, wire harness partition plate, and electrical mounting brackets are all installed on the rectangular frame with bolt assemblies, which facilitates disassembly and assembly, thus making the internal components of the cabinet easy to inspect and maintain.

[0013] 2. In this utility model, the top of the first template is provided with multiple ventilation holes in a rectangular array, which facilitates the dissipation of heat inside the high-voltage ring main unit from the top. At the same time, the top of the third template on one side is flush with the top of the wire harness partition plate, so that the top of one side of the high-voltage ring main unit is open, which facilitates the connection wire harness separated by the wire harness partition plate to pass through the high-voltage ring main unit, thereby facilitating the inspection and maintenance of the connection wire harness. Attached Figure Description

[0014] Figure 1 The overall three-dimensional structure of this utility model Figure 1 ;

[0015] Figure 2 The overall three-dimensional structure of this utility model Figure 2 ;

[0016] Figure 3 This is a perspective view of the main body of the cabinet of this utility model;

[0017] Figure 4 This is a three-dimensional view of the cabinet door structure of this utility model.

[0018] In the diagram: 1. Cabinet body; 2. First closing mechanism; 3. Second closing mechanism; 11. Rectangular frame; 12. Wire harness divider; 13. Wire harness divider groove; 14. First template; 15. Ventilation hole; 16. Second template; 17. Third template; 18. Baffle; 19. First electrical mounting bracket; 110. Second electrical mounting bracket; 111. Third electrical mounting bracket; 112. First hinge; 113. Second hinge; 21. First cabinet door; 22. First handle mounting groove; 31. Second cabinet door; 32. Second handle mounting groove; 33. Fitting mounting groove. Detailed Implementation

[0019] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0020] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0022] Please see Figures 1-4In this embodiment of the utility model, the fully assembled high-voltage ring main unit includes a cabinet body 1. A first sealing mechanism 2 is rotatably installed on the upper front end of the cabinet body 1, and a second sealing mechanism 3 is rotatably installed on the lower front end of the cabinet body 1. The cabinet body 1 includes a rectangular frame 11. A wire harness partition plate 12 is fixedly installed on the upper part of the inner sidewalls of the rectangular frame 11 by bolt assemblies. Two wire harness partition grooves 13 are symmetrically opened between the upper and lower sidewalls of the wire harness partition plate 12. A first template 14 is fixedly installed at each of the upper and lower ends of the rectangular frame 11 by bolt assemblies. A third template 17 is fixedly installed at the lower end of one end of the rectangular frame 11 by bolt assemblies. The other end and the rear end of the rectangular frame 11 are also... A second template 16 is fixedly installed by bolt assemblies. Electrical installation mechanisms are fixedly installed on one side and the bottom of the rectangular frame 11 by bolt assemblies. The overall high-voltage ring main unit adopts a fully assembled structure design, which includes a rectangular frame 11. A wire harness partition plate 12 is set at the top of the rectangular frame 11 to facilitate wiring. Templates are installed around the rectangular frame 11 to enclose the perimeter of the cabinet. At the same time, electrical installation racks are set on one side and the bottom of the rectangular frame 11 to install the internal components of the high-voltage ring main unit. The templates, wire harness partition plate 12 and electrical installation racks are all installed on the rectangular frame 11 by bolt assemblies, which facilitates disassembly and assembly, and makes the internal components of the cabinet easy to inspect and maintain.

[0023] A baffle 18 is fixedly clipped to the upper front end of the inner side wall of the rectangular frame 11. The top of the third template 17 is flush with the top of the wire harness partition plate 12. The top of the upper first template 14 has multiple ventilation holes 15 in a rectangular array, which facilitates the dissipation of heat inside the high-voltage ring main unit from the top. At the same time, the top of the third template 17 on one side is flush with the top of the wire harness partition plate 12, making the upper side of the high-voltage ring main unit open, which facilitates the connection wires separated by the wire harness partition groove 13 of the wire harness partition plate 12 to pass out of the high-voltage ring main unit, thereby facilitating the inspection and maintenance of the connection wires.

[0024] The electrical installation mechanism includes a first electrical mounting frame 19, which is symmetrically mounted on the middle of one end of the inner wall of the rectangular frame 11 and fixed by bolt assemblies. The electrical installation mechanism also includes a second electrical mounting frame 110, which is symmetrically mounted on the lower part of one end of the inner wall of the rectangular frame 11 and fixed by bolt assemblies. The electrical installation mechanism also includes a third electrical mounting frame 111, which is fixedly mounted on the bottom wall of the inner wall of the rectangular frame 11 by bolt assemblies. The internal components of the high-voltage ring main unit can be fixedly mounted by multiple electrical mounting frames in conjunction with the mounting assembly.

[0025] Two first hinges 112 are fixedly installed symmetrically at the upper front end of the rectangular frame 11. The first closing mechanism 2 includes a first cabinet door 21 fixedly connected to the rotating ends of the two first hinges 112. The front end of the first cabinet door 21 is provided with a first handle mounting groove 22. Two second hinges 113 are fixedly installed symmetrically at the lower front end of the rectangular frame 11. The second closing mechanism 3 includes a second cabinet door 31 fixedly connected to the rotating ends of the two second hinges 113. The front end of the second cabinet door 31 is provided with a second handle mounting groove 32 and a mating mounting groove 33. The front end of the cabinet can be closed through the two cabinet doors, and a handle can be installed through the handle mounting groove to facilitate the rotation of the cabinet door. In addition, a control panel can be assembled through the mating mounting groove 33. The control panel is electrically connected to the internal components of the high-voltage ring main unit, and the internal components of the high-voltage ring main unit can be controlled through the control panel.

[0026] The working principle of this utility model is as follows: Electrical energy is introduced into the ring main unit via a high-voltage switch. Multiple electrical mounting brackets and mounting components are used to fix and install the internal components of the high-voltage ring main unit. A control panel can be assembled using mounting slot 33, and is electrically connected to the internal components of the high-voltage ring main unit. The control panel allows for the control of the internal components. The ring main unit distributes electrical energy according to the load's needs. When the load requires power, the ring main unit transmits power to the load via the high-voltage switch. When the load does not require power, the ring main unit redistributes or stores the power via the high-voltage switch. When the power system needs to be turned on or off, the circuit breaker receives the corresponding command and uses its internal mechanical transmission mechanism or electromagnetic mechanism to switch the circuit on or off. The isolating switch also receives the command and isolates the required parts from the power system to prevent current flow. When the current exceeds a certain value, the fuse melts, cutting off the circuit and protecting the power system from damage.

[0027] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A fully assembled high-voltage ring main unit, including a cabinet body (1), a first sealing mechanism (2) is rotatably installed on the upper front end of the cabinet body (1), and a second sealing mechanism (3) is rotatably installed on the lower front end of the cabinet body (1); Its features are: The cabinet body (1) includes a rectangular frame (11). A wire harness partition plate (12) is fixedly installed on the upper part of the inner side wall of the rectangular frame (11) by bolt assembly. Two wire harness partition grooves (13) are opened between the upper and lower side walls of the wire harness partition plate (12) in a front-to-back symmetrical manner. The rectangular frame (11) has a first template (14) fixedly installed at both the top and bottom ends by bolt assemblies. A third template (17) is fixedly installed at the bottom of one end of the rectangular frame (11) by bolt assemblies. A second template (16) is fixedly installed at the other end and the rear end of the rectangular frame (11) by bolt assemblies. The rectangular frame (11) has an electrical installation mechanism fixedly installed on one side and at the bottom by bolt assemblies. A baffle (18) is fixedly snapped onto the upper front end of the inner side wall of the rectangular frame (11), and the top of the third template (17) is flush with the top of the wire harness partition plate (12).

2. The fully assembled high-voltage ring main unit according to claim 1, characterized in that: The electrical installation mechanism includes a first electrical mounting frame (19) which is symmetrically mounted on the middle of one end of the inner wall of a rectangular frame (11) and fixed by a bolt assembly.

3. The fully assembled high-voltage ring main unit according to claim 1, characterized in that: The electrical installation mechanism also includes a second electrical mounting bracket (110) which is fixedly installed by bolt assembly on one side of the inner wall of the rectangular frame (11) in a symmetrical manner.

4. The fully assembled high-voltage ring main unit according to claim 1, characterized in that: The electrical installation mechanism also includes a third electrical mounting bracket (111) which is fixedly mounted to the bottom wall of the rectangular frame (11) by bolt assembly.

5. The fully assembled high-voltage ring main unit according to claim 1, characterized in that: The top of the first template (14) has multiple ventilation holes (15) arranged in a rectangular array.

6. The fully assembled high-voltage ring main unit according to claim 1, characterized in that: The rectangular frame (11) has two first hinges (112) fixedly installed symmetrically at the front end. The first closing mechanism (2) includes a first cabinet door (21) fixedly connected to the rotating ends of the two first hinges (112). The front end of the first cabinet door (21) is provided with a first handle mounting groove (22).

7. The fully assembled high-voltage ring main unit according to claim 1, characterized in that: The rectangular frame (11) has two second hinges (113) fixedly installed symmetrically at the lower front end. The second closing mechanism (3) includes a second cabinet door (31) fixedly connected to the rotating ends of the two second hinges (113). The front end of the second cabinet door (31) is provided with a second handle mounting groove (32) and a matching mounting groove (33).