CN219643433U

CN219643433U - Ring main unit grounding assembly

Info

Publication number: CN219643433U
Application number: CN202320456653.5U
Authority: CN
Inventors: 江静波; 陈刚; 刘志敏
Original assignee: Huazhiyuan Electric Group Co ltd
Current assignee: Huazhiyuan Electric Group Co ltd
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-09-05
Anticipated expiration: 2033-03-13

Abstract

The utility model discloses a ring main unit grounding assembly, which comprises a ring main unit, wherein a grounding assembly is arranged in the ring main unit, a waterproof assembly is arranged on the grounding assembly, the grounding assembly comprises an insulating box shell, and the waterproof assembly comprises a box door; according to the utility model, the design of the waterproof assembly is added, the overall tightness of the grounding assembly is improved, and the sealing strip is added on the inner side of the box door, so that when the box door is closed on the insulating box shell, the joint is sealed, moist air is prevented from entering the insulating box shell along a gap between the box door and the insulating box shell in a rainy day, meanwhile, the sealing column is additionally arranged, when the wire is required to be threaded into the grounding assembly, the wire is threaded into the grounding assembly along the threading hole by withdrawing the sealing strip, so that the internal space of the grounding assembly is sealed as much as possible, and the device cannot work under severe conditions for a long time, thereby shortening the service life of electronic equipment in the grounding assembly and reducing the occurrence rate of safety accidents.

Description

Ring main unit grounding assembly

Technical Field

The utility model relates to the technical field of power equipment, in particular to a ring main unit grounding assembly.

Background

The ring main unit is a group of electric equipment (high-voltage switch equipment) which is arranged in a metal or nonmetal insulating cabinet body or is made into an assembled spacing ring main power supply unit, and the core part of the ring main unit adopts a load switch and a fuse, so that the ring main unit has the advantages of simple structure, small volume, low price, capability of improving power supply parameters and performance, power supply safety and the like; the ring main unit is widely used in power distribution stations and box-type substations of load centers such as urban residential communities, high-rise buildings, large public buildings, factory enterprises and the like, wherein each power distribution branch is provided with a switch cabinet (outgoing switch cabinet), and the bus of the switch cabinet is part of an annular trunk, namely the annular trunk is formed by connecting the bus of each outgoing cabinet; each outlet cabinet is called a ring main unit.

Through retrieval, the application number of the Chinese patent document is CN201310065098.4, the utility model discloses a ring main unit grounding mechanism, which consists of an operating cam, a grounding manual action disc, a spring support column, a grounding main shaft action disc, a driving rod limit column, a driving rod, a push rod, a rotating piece limit column and a main circuit action disc, wherein when the operating cam is rotated, the grounding manual action disc rotates clockwise, the grounding manual action disc drives the spring support column to move upwards, and the spring support column drives the grounding main shaft action disc to rotate to a designated position, and is grounded and opened; meanwhile, the driving rod limiting column is unlocked, the driving rod is pushed to move, the driving rod drives the push rod to move, the push rod drives the rotating piece to rotate, the rotating piece rotates to a designated position, the rotating piece is locked by the rotating piece limiting column, the main loop is closed, and the grounding opening action is completed; the rotating piece limiting column is unlocked, the rotating piece is released, the main loop is opened, the rotating piece pushes the push rod simultaneously, the driving rod limiting column is unlocked, the push rod drives the driving rod to rotate, the driving rod drives the spring supporting column to move downwards, and the main loop opening and closing actions are completed.

However, the utility model has the following defects:

the device is in the different circumstances of long-time and service environment, probably needs often maintenance, and general looped netowrk cabinet all is equipped with ventilation facility, if use in the place that humidity is great, ground connection subassembly accessory is embroidered easily because not closed to the emergence accident, consequently we need to propose a looped netowrk cabinet ground connection subassembly and solve the problem that appears above.

Disclosure of Invention

The utility model aims to provide a ring main unit grounding assembly, the whole sealing performance of the grounding assembly is improved by adding a waterproof assembly, a sealing strip is added on the inner side of a box door, so that when the box door is closed on an insulating box shell, a joint is sealed, moist air is prevented from entering the insulating box shell along a gap between the box door and the insulating box shell in a rainy day, meanwhile, a sealing column is additionally arranged, when the grounding assembly needs to be threaded, an electric wire penetrates into the grounding assembly along a threading hole by extracting the sealing cover, the inner space of the grounding assembly is sealed as much as possible, the service life of electronic equipment in the grounding assembly is not shortened due to long-time work under severe conditions, and the occurrence rate of safety accidents is reduced, so that the problems in the background technology are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a looped netowrk cabinet grounding subassembly, includes the looped netowrk cabinet, install grounding subassembly and waterproof subassembly in the looped netowrk cabinet, waterproof subassembly installs on grounding subassembly, grounding subassembly includes insulating case shell, insulating case shell's front end is openly setting, waterproof subassembly includes the chamber door, the chamber door rotates through the hinge that is equipped with and connects on insulating case shell, be fixed with the sealing strip on the chamber door, the sealing strip encircles the inboard edge of chamber door, still install the electromagnetic lock on the chamber door, first round hole has been seted up on the insulating case shell, install the seal post in the round hole, the through wires hole has been seted up on the seal post, be connected with sealed lid on the one end that the seal post was stretched out to the through wires hole, the radius of sealed lid is greater than the radius of through wires hole.

Preferably, a sealing layer is arranged in the insulating box shell, the sealing layer is attached to the inner wall of the insulating box shell, the sealing layer is integrally formed, a second round hole is formed in the sealing layer, the first round hole and the second round hole are coaxial and have the same radius, and one end of the sealing column penetrates through the second round hole and stretches into the sealing layer.

Preferably, the sealing layer is internally provided with a transverse plate and a vertical plate, the transverse plate and the vertical plate are vertically and alternately arranged, threaded holes are formed in the transverse plate and the vertical plate, the transverse plate is an insulating transverse plate, and the vertical plate is an insulating vertical plate.

Preferably, a hanging plate is arranged in front of the transverse plate and the vertical plate, the hanging plate is fixed on the transverse plate and the vertical plate through bolts arranged in the hanging plate penetrating through threaded holes, and the hanging plate is an insulating hanging plate.

Preferably, a shutter is respectively installed on the side walls of two sides of the ring main unit, the two shutters are arranged in mirror symmetry, and a base is fixed at the lower end of the ring main unit.

Preferably, the upper end of looped netowrk cabinet is fixed with the weather shield, be provided with the cabinet door on the looped netowrk cabinet, the cabinet door is rotated on the looped netowrk cabinet through the hinge that is equipped with.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the design of the waterproof assembly is added, the overall tightness of the grounding assembly is improved, and the sealing strip is added on the inner side of the box door, so that when the box door is closed on the insulating box shell, the joint is sealed, moist air is prevented from entering the insulating box shell along a gap between the box door and the insulating box shell in a rainy day, meanwhile, the sealing column is additionally arranged, when the wire is required to be threaded into the grounding assembly, the wire is threaded into the grounding assembly along the threading hole by withdrawing the sealing strip, so that the internal space of the grounding assembly is sealed as much as possible, and the device cannot work under severe conditions for a long time, thereby shortening the service life of electronic equipment in the grounding assembly and reducing the occurrence rate of safety accidents.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a grounding assembly according to the present utility model;

fig. 3 is a schematic structural view of the waterproof assembly of the present utility model.

In the figure: 1. a ring main unit; 2. a grounding assembly; 201. an insulating case; 202. a sealing layer; 203. a cross plate; 204. a riser; 205. a hanging plate; 206. a bolt; 3. a waterproof assembly; 301. a door; 302. an electromagnetic lock; 303. a sealing column; 304. sealing cover; 305. a sealing strip; 4. a shutter; 5. a rain shield; 6. a cabinet door; 7. a base.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the ring main unit grounding assembly comprises a ring main unit 1, wherein a grounding assembly 2 and a waterproof assembly 3 are installed in the ring main unit 1, the waterproof assembly 3 is installed on the grounding assembly 2, the grounding assembly 2 comprises an insulating box shell 201, the front end of the insulating box shell 201 is in open arrangement, the waterproof assembly 3 comprises a box door 301, the box door 301 is rotationally connected to the insulating box shell 201 through a hinge, a sealing strip 305 is fixed on the box door 301, the sealing strip 305 surrounds the inner side edge of the box door 301, an electromagnetic lock 302 is further installed on the box door 301, a first round hole is formed in the insulating box shell 201, a sealing column 303 is installed in the round hole, a threading hole is formed in the sealing column 303, a sealing cover 304 is connected to one end of the threading hole extending out of the sealing column 303, and the radius of the sealing cover 304 is larger than that of the threading hole;

according to the utility model, the design of the waterproof assembly 3 is added, the overall tightness of the grounding assembly 2 is improved, and the sealing strip 305 is added on the inner side of the box door 301, so that when the box door 301 is closed on the insulating box shell 201, the joint is sealed, moist air is prevented from entering the insulating box shell 201 along a gap between the box door 301 and the insulating box shell 201 in a rainy day, meanwhile, the sealing column 303 is additionally arranged, when the grounding assembly 2 is required to be threaded, an electric wire is threaded into the grounding assembly 2 along a threading hole by withdrawing the sealing cap 304, so that the internal space of the grounding assembly 2 is sealed as much as possible, the service life of electronic equipment in the grounding assembly 2 is not shortened due to long-time working under severe conditions, and the incidence rate of safety accidents is reduced

The insulating case 201 is internally provided with the sealing layer 202, the inner wall of insulating case 201 is laminated to sealing layer 202, sealing layer 202 integrated into one piece has seted up the second round hole on the sealing layer 202, first round hole and second round hole are coaxial and the radius is the same, the one end of sealing post 303 passes in the second round hole stretches into sealing layer 202 for grounding component 2 becomes bilayer structure, insulating case 201 prevents that external circuit from touching this device by mistake and causing this device grounding component 2 electronic equipment to burn, sealing layer 202 is integrated into one piece, increases grounding component 2's leakproofness.

Be provided with diaphragm 203 and riser 204 in the sealing layer 202, diaphragm 203 is perpendicular alternately setting with riser 204, has seted up the screw hole on diaphragm 203 and the riser 204, is convenient for fix link plate 205 on diaphragm 203 and riser 204 through bolt 206, and diaphragm 203 is insulating diaphragm, and riser 204 is insulating riser, prevents when the short circuit scheduling problem appears in electronic equipment, and the staff is electric shock when checking the maintenance.

The hanging plate 205 is arranged in front of the transverse plate 203 and the vertical plate 204, the hanging plate 205 is fixed on the transverse plate 203 and the vertical plate 204 through bolts 206 penetrating through threaded holes, and the hanging plate 205 is an insulating hanging plate, so that electric shock is prevented when workers check and maintain when short circuit and other problems occur in electronic equipment.

Install a shutter 4 on the looped netowrk cabinet 1 both sides lateral wall respectively, two shutters 4 are mirror symmetry setting, the ventilation of being convenient for reduce the heat that electronic equipment distributes in the looped netowrk cabinet 1, the lower extreme of looped netowrk cabinet 1 is fixed with base 7, prevents because raining leads to the moist electronic equipment who influences in the looped netowrk cabinet 1 in ground.

The upper end of looped netowrk cabinet 1 is fixed with weather shield 5, prevents that the rainfall from directly falling into in the looped netowrk cabinet 1, is provided with cabinet door 6 on the looped netowrk cabinet 1, and cabinet door 6 rotates through the hinge that is equipped with and connects on the looped netowrk cabinet 1, is convenient for close looped netowrk cabinet 1, prevents that non-operating personnel from opening cabinet door 6 touching electronic equipment and causing personnel to electrocute or electronic equipment damage.

Although embodiments of the present utility model 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 therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a looped netowrk cabinet grounding subassembly, includes looped netowrk cabinet (1), its characterized in that: install grounding subassembly (2) and waterproof subassembly (3) in looped netowrk cabinet (1), waterproof subassembly (3) are installed on grounding subassembly (2), grounding subassembly (2) are including insulating case (201), the front end of insulating case (201) is openly setting, waterproof subassembly (3) include chamber door (301), chamber door (301) are rotated through the hinge that is equipped with and are connected on insulating case (201), be fixed with sealing strip (305) on chamber door (301), sealing strip (305) encircle the inboard edge of chamber door (301), electromagnetic lock (302) are still installed on chamber door (301), first round hole has been seted up on insulating case (201), install sealing post (303) in the round hole, the through wires hole has been seted up on sealing post (303), be connected with sealed lid (304) on the one end of sealing post (303), the radius of sealed lid (304) is greater than the radius of through wires hole.

2. The ring main unit grounding assembly of claim 1, wherein: be provided with sealing layer (202) in insulating case shell (201), sealing layer (202) laminating insulating case shell (201)'s inner wall, sealing layer (202) integrated into one piece, the second round hole has been seted up on sealing layer (202), first round hole and second round hole are coaxial and the radius is the same, the one end of sealing post (303) is passed the second round hole and is stretched into in sealing layer (202).

3. A ring main unit grounding assembly as defined in claim 2, wherein: be provided with diaphragm (203) and riser (204) in sealing layer (202), diaphragm (203) are perpendicular alternately setting with riser (204), threaded hole has been seted up on diaphragm (203) and riser (204), diaphragm (203) are insulating diaphragm, riser (204) are insulating riser.

4. A ring main unit grounding assembly as defined in claim 3, wherein: the front of the transverse plate (203) and the vertical plate (204) is provided with a hanging plate (205), the hanging plate (205) is fixed on the transverse plate (203) and the vertical plate (204) through threaded holes by bolts (206) which are arranged, and the hanging plate (205) is an insulating hanging plate.

5. The ring main unit grounding assembly of claim 1, wherein: two blinds (4) are respectively installed on the side walls of two sides of the ring main unit (1), the two blinds (4) are arranged in a mirror symmetry mode, and a base (7) is fixed at the lower end of the ring main unit (1).

6. The ring main unit grounding assembly of claim 5, wherein: the novel rain-proof ring main unit is characterized in that a rain-proof plate (5) is fixed at the upper end of the ring main unit (1), a cabinet door (6) is arranged on the ring main unit (1), and the cabinet door (6) is rotationally connected to the ring main unit (1) through a hinge.