A grounding switch device for a ring main unit

Abstract

This utility model discloses a grounding switch device for a ring main unit, including a switch mounting plate. A switch controller is mounted on the front surface of the switch mounting plate, and the switch controller and the switch mounting plate are detachable. A front fan is mounted on the front surface of the switch controller, and side fans are mounted on both sides of the switch controller. A moving contact arm is mounted below the stationary contact, and the moving contact arm is a rotatable and adjustable structure. This utility model provides a convenient assembly design for the grounding switch device of the ring main unit. A sliding snap-fit ​​structure allows for quick and easy installation and fixing of the switch controller and the switch mounting plate. The installation height of the switch controller can be adjusted and controlled. By using a servo motor to drive the meshing transmission between control gears, the installation angle of the moving contact arm can be quickly adjusted, facilitating the docking and installation of the moving contact arm with the switch components. It offers the advantage of convenient adjustment and control.

Description

Technical Field

[0001] This utility model relates to the field of grounding switch technology, specifically to a grounding switch device for a ring main unit. Background Technology

[0002] A ring main unit (RMU) is an electrical device consisting of a group of power transmission and distribution equipment (high-voltage switchgear) housed in a metal or non-metal insulated cabinet or assembled into a modular ring network power supply unit. Its core components utilize load switches and fuses. It offers advantages such as simple structure, small size, low cost, improved power supply parameters and performance, and enhanced power supply safety. It is widely used in substations and prefabricated substations in load centers such as urban residential areas, high-rise buildings, large public buildings, and factories.

[0003] Grounding switches are a crucial component of ring main units, ensuring the safety of operators and the safe operation of equipment. With the development of power systems, grounding switch technology has continuously advanced, evolving from traditional manual operation to intelligent and fast grounding switches. In the future, grounding switches will develop towards intelligence, high reliability, and environmental friendliness and energy conservation, providing even stronger protection for the safe operation of power systems.

[0004] Currently, when installing and fixing the grounding switch of a ring main unit, it is impossible to quickly adjust and control the installation height and angle of the internal components of the grounding switch, which makes it inconvenient to align the components of the grounding switch. Therefore, it is necessary to develop a grounding switch device for ring main units. Utility Model Content

[0005] The purpose of this utility model is to provide a grounding switch device for a ring main unit, so as to solve the problem mentioned in the background art that when installing and fixing the grounding switch of a ring main unit, it is impossible to quickly adjust and control the installation height and installation angle of the internal components of the grounding switch, resulting in inconvenience in aligning the components of the grounding switch.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a grounding switch device for a ring main unit, comprising a switch mounting plate, a switch controller mounted on the front surface of the switch mounting plate, the switch controller and the switch mounting plate being detachable, a front fan mounted on the front surface of the switch controller, side fans mounted on both sides of the switch controller, a stationary contact mounted at the lower end of the switch controller, and a moving contact arm mounted below the stationary contact, the moving contact arm being a rotatable and adjustable structure.

[0007] Preferably, the front surface of the switch mounting plate is provided with a fixed slide rail, and the rear surface of the switch controller is provided with a fixed slider, the surface of the fixed slider being slidably connected to the fixed slide rail through a slide groove.

[0008] Preferably, a servo motor is mounted on the rear surface of the switch mounting plate.

[0009] Preferably, the output end of the servo motor is connected to a drive gear via a rotating shaft, and a driven gear is mounted above the drive gear.

[0010] Preferably, the driving gear and the driven gear are connected by meshing transmission, the center of the surface of the driven gear is connected to the moving contact arm by a rotating shaft, and the center of the surface of the moving contact arm is provided with a fixed shaft hole.

[0011] Preferably, a bearing is mounted above the servo motor, and the bearing is correspondingly connected to the rotating shaft.

[0012] Preferably, the upper end of the switch mounting plate is provided with a snap-fit ​​component, and the switch mounting plate is snapped and fixed to the ring main unit by the snap-fit ​​component.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] This utility model features a convenient assembly design for the grounding switch device of a ring main unit. Utilizing a sliding snap-fit ​​structure, the switch controller and switch mounting plate can be quickly and easily installed and fixed. Simultaneously, the installation height of the switch controller can be adjusted. By using a servo motor to drive the meshing transmission between control gears, the installation angle of the moving contact arm can be quickly adjusted, facilitating the docking and installation between the moving contact arm and switch components. This design offers the advantage of convenient adjustment and control. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the rear structure of this utility model;

[0017] Figure 3 This is an exploded structural diagram of the present invention;

[0018] Figure 4 This is a schematic diagram of a partial installation structure of the present invention;

[0019] Figure 5 This is a schematic diagram of the switch controller structure of this utility model.

[0020] In the diagram: 1. Switch mounting plate; 2. Rotating shaft; 3. Moving contact arm; 4. Switch controller; 5. Front fan; 6. Stationary contact; 7. Clamping component; 8. Side fan; 9. Bearing component; 10. Servo motor; 11. Fixed slide rail; 12. Fixed slider; 13. Driven gear; 14. Driven gear; 15. Fixed shaft hole; 16. Slide groove. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] Please see Figure 1-5 The present invention provides an embodiment of a grounding switch device for a ring main unit, comprising a switch mounting plate 1, a switch controller 4 mounted on the front surface of the switch mounting plate 1, the switch controller 4 and the switch mounting plate 1 being detachable, a front fan 5 mounted on the front surface of the switch controller 4, side fans 8 mounted on both sides of the switch controller 4, a stationary contact 6 mounted at the lower end of the switch controller 4, and a moving contact arm 3 mounted below the stationary contact 6, the moving contact arm 3 being a rotatable and adjustable structure.

[0023] Furthermore, a fixed slide rail 11 is provided on the front surface of the switch mounting plate 1, and a fixed slider 12 is provided on the rear surface of the switch controller 4. The surface of the fixed slider 12 is slidably connected to the fixed slide rail 11 through the slide groove 16, so that the switch controller 4 and the switch mounting plate 1 can be quickly installed and fixed, and the installation height of the switch controller 4 can be adjusted and controlled.

[0024] Furthermore, a servo motor 10 is mounted on the rear surface of the switch mounting plate 1. The output end of the servo motor 10 is connected to a drive gear 14 via a rotating shaft. A driven gear 13 is mounted above the drive gear 14. The drive gear 14 and the driven gear 13 are connected by meshing transmission. The center of the surface of the driven gear 13 is connected to the moving contact arm 3 via a rotating shaft 2. A fixed shaft hole 15 is provided at the center of the surface of the moving contact arm 3. By turning on the servo motor 10, it can be used to drive and control the drive gear 14 to drive the driven gear 13 to mesh and transmit transmission, thereby driving and controlling the moving contact arm 3 to rotate. The installation angle of the moving contact arm 3 can be quickly adjusted, which facilitates the docking and installation between the moving contact arm 3 and the switch components, and has the advantage of convenient adjustment and control.

[0025] Furthermore, a bearing 9 is installed above the servo motor 10, and the bearing 9 is connected to the rotating shaft 2 for quick installation and fixation of the rotating shaft 2. A snap-fit ​​7 is provided at the upper end of the switch mounting plate 1, and the switch mounting plate 1 is snap-fitted and fixed to the ring main unit through the snap-fit ​​7, which facilitates quick installation and fixation between the switch mounting plate 1 and the ring main unit.

[0026] Working principle: In use, a switch controller 4 is installed on the front surface of the switch mounting plate 1, a front fan 5 is installed on the front surface of the switch controller 4, and side fans 8 are installed on both sides of the switch controller 4. The front fan 5 and the side fans 8 can be used to quickly cool the inside of the switch controller 4. A fixed slide rail 11 is provided on the front surface of the switch mounting plate 1, and a fixed slider 12 is installed on the rear surface of the switch controller 4. The surface of the fixed slider 12 is slidably connected to the fixed slide rail 11 through a slide groove 16, which facilitates quick installation and fixation between the switch controller 4 and the switch mounting plate 1. At the same time, the installation height of the switch controller 4 can be adjusted and controlled. A stationary contact 6 is installed at the lower end of the switch controller 4, and a moving contact arm 3 is installed below the stationary contact 6. By turning on the servo motor 10, it can be used to drive the active gear 14 to drive the driven gear 13 to mesh and transmit power, thereby driving the moving contact arm 3 to rotate. The installation angle of the moving contact arm 3 can be quickly adjusted, which facilitates docking and installation between the moving contact arm 3 and the switch components, and has the advantage of convenient adjustment and control.

[0027] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0028] All standard parts used in this application can be purchased from the market. The specific connection methods of each part are all conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment are all conventional models in the prior art. In addition, the circuit connection adopts conventional connection methods in the prior art, and will not be described in detail here.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A grounding switch device of a ring main unit, comprising a switch mounting plate (1), characterized in that, A switch controller (4) is mounted on the front surface of the switch mounting plate (1). The switch controller (4) and the switch mounting plate (1) are detachable. A front fan (5) is mounted on the front surface of the switch controller (4). Side fans (8) are mounted on both sides of the switch controller (4). A stationary contact (6) is mounted on the lower end of the switch controller (4). A moving contact arm (3) is mounted below the stationary contact (6). The moving contact arm (3) is a rotatable and adjustable structure.

2. The grounding switch device of the ring main unit according to claim 1, characterized in that: The front surface of the switch mounting plate (1) is provided with a fixed slide rail (11), and the rear surface of the switch controller (4) is provided with a fixed slider (12). The surface of the fixed slider (12) is slidably connected to the fixed slide rail (11) through a slide groove (16).

3. The grounding switch device of the ring main unit according to claim 1, characterized in that: A servo motor (10) is mounted on the rear surface of the switch mounting plate (1).

4. The grounding switch device of the ring main unit according to claim 3, characterized in that: The output end of the servo motor (10) is connected to the drive gear (14) via a rotating shaft, and the driven gear (13) is mounted above the drive gear (14).

5. The grounding switch device of the ring main unit according to claim 4, characterized in that: The driving gear (14) and the driven gear (13) are connected by meshing transmission. The center of the surface of the driven gear (13) is connected to the moving contact arm (3) through a rotating shaft (2). A fixed shaft hole (15) is provided at the center of the surface of the moving contact arm (3).

6. The grounding switch device for a ring main unit according to claim 5, characterized in that: A bearing (9) is mounted above the servo motor (10), and the bearing (9) is correspondingly connected to the rotating shaft (2).

7. The grounding switch device of the ring main unit according to claim 1, characterized in that: The upper end of the switch mounting plate (1) is provided with a snap-fit ​​component (7), and the switch mounting plate (1) is snapped and fixed to the ring main unit by the snap-fit ​​component (7).

Images