CN210404532U - Fixed ring main unit - Google Patents

Abstract

The utility model discloses a fixed looped netowrk cabinet, include: the ring main unit is of a three-chamber structure and is respectively provided with a control chamber, a power distribution chamber and a circuit chamber from top to bottom; the circuit connecting assembly comprises a core column seat inserted in an upper shell top port, an adaptor inserted in a lower shell top port and an elastic assembly part connected by threads and positioned in a bottom port, the bottom of the upper shell is connected by threads and the bottom of the core column seat is connected by threads, and the top of the adaptor is inserted in the bottom of the core column seat. The utility model provides a fixed looped netowrk cabinet carries out fine sealed protection to cable even with electronic component be connected the back exposed position, has avoided causing the dust at exposed position to adhere to and moist gas causes the short circuit problem because of the ventilation to the simple and practical of design has greatly reduced the use cost, has also simplified the looped netowrk case structure simultaneously.

Description

Fixed ring main unit

Technical Field

The utility model relates to an electric power facility technical field relates to a fixed looped netowrk cabinet particularly.

Background

The use of the ring main unit is gradually widespread, and the ring main unit becomes an important component in a power distribution network along with the continuous development of the urban power distribution network and the improvement of the cabling degree.

Most of the ring main units are located under the external environment, so that the influence of the external environment is inevitably received, and the electronic equipment can normally dissipate heat in the operation process, so that the general ring main units can be designed to ventilate in order to ensure the moisture-proof effect, however, dust in the air can be adsorbed on the exposed part of the external cable connected with the electronic element in the ring main unit in the ventilation state, the gathered dust is not easy to clean, and a short circuit is easily caused, meanwhile, rainwater easily permeates into the ring main units, and moist gas can also be attached to the exposed part of the external cable connected with the electronic element to cause the short circuit, so that the normal power supply is influenced.

Therefore, the problems found in practical applications are urgently to be solved.

Technical scheme

In view of the above problems existing in the prior art, an aspect of the present invention is to provide a fixed ring main unit to solve the above problems.

In order to achieve the above object, the utility model provides a pair of fixed looped netowrk cabinet, include:

the ring main unit is of a three-chamber structure and is respectively provided with a control chamber, a power distribution chamber and a circuit chamber from top to bottom;

a plurality of circuit coupling assembling, circuit coupling assembling is including being located the stem seat of shell top port interpolation and being located the adaptor of shell top port grafting and being located bottom port intraoral threaded connection's elasticity sub-assembly down, go up the shell bottom with the top threaded connection of shell down, the bottom of stem seat with the top of adaptor is pegged graft mutually, still including being located circuit room inside top fixed mounting's wiring board, the bottom of wiring board be provided with go up shell adaptor threaded connection's connecting seat, the inside of connecting seat is provided with the terminal, and with stem seat is pegged graft mutually.

Preferably, the upper shell and the lower shell are both composed of a base and an adapter, and the top of the base is movably inserted into a groove in the adapter and can rotate.

Preferably, a concave thread groove is formed in the top of the lower shell adapter, the upper shell is connected with the lower shell through the concave thread groove, and a sealing ring is arranged at the joint of the upper shell and the lower shell.

Preferably, the elastic assembly comprises a fixed seat, two springs, a left arc-shaped clamping plate and a right arc-shaped clamping plate, one ends of the two springs are respectively located in spring grooves symmetrically distributed on the inner side of the fixed seat, and the other ends of the two springs are respectively connected with the left arc-shaped clamping plate and the right arc-shaped clamping plate and used for fixing cables.

Preferably, a rubber pad is fixedly mounted on the inner wall of one side, adjacent to the left arc-shaped clamping plate and the right arc-shaped clamping plate, of the fixed seat and used for increasing friction force, and an elastic connecting piece located at the bottom is arranged between the fixed seat and the left arc-shaped clamping plate and between the fixed seat and the right arc-shaped clamping plate respectively, so that sealing is guaranteed and design is achieved.

Preferably, the core column on the core column base is respectively a live wire, a zero wire and a connecting wire, and is specifically an iron rod core column.

Preferably, a sealing ring is arranged at the joint of the upper shell and the connecting seat.

Advantageous effects

Compared with the prior art, the utility model provides a pair of fixed looped netowrk cabinet, through circuit coupling assembling, on the elastic sub-assembly of external connection line on circuit coupling assembling, make left side arc cardboard and right side arc cardboard joint mutually through the spring to install on the wiring board at circuit indoor side top at last. According to the technical scheme provided by the utility model, the exposed part of the cable is well sealed and protected after the cable is connected with the electronic element, so that the problems of dust adhesion and short circuit caused by humid gas at the exposed part due to ventilation are avoided; meanwhile, the design avoids the need of designing corresponding dustproof and dehumidifying equipment when the ring net cage is arranged, and simplifies the ring net cage; and the whole production cost of the line connecting component is low, so that no large expense cost is brought in practical application.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the internal structure of the circuit chamber of the present invention;

fig. 3 is a schematic view of the split structure of the circuit connection assembly of the present invention;

fig. 4 is a schematic view of the port structure of the lower housing of the present invention;

fig. 5 is a schematic structural view of the elastic assembly of the present invention.

The main reference numbers:

1. a ring main unit; 2. a control room; 3. a power distribution room; 4. a circuit chamber; 5. a line connection assembly; 6. an upper housing; 7. a stem base; 8. a lower housing; 9. an adapter; 10. an elastic assembly; 11. a wiring board; 12. a connecting seat; 13. a concave thread groove; 14. a fixed seat; 15. a spring; 16. a left arc-shaped clamping plate; 17. a right arc-shaped clamping plate; 18. a rubber pad; 19. an elastic connecting member; 20. a base; 21. an adapter.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described below clearly and completely with reference to the accompanying drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

To maintain the following description of the embodiments of the present disclosure clear and concise, a detailed description of known functions and known components have been omitted from the present disclosure.

As shown in fig. 1 and fig. 2, a fixed ring main unit includes: the ring main unit 1 is of a three-chamber structure and comprises a control chamber 2, a power distribution chamber 3 and a circuit chamber 4 from top to bottom, and the circuit connection assembly 5 is arranged on a wiring board 11 in the circuit chamber 4.

As a further technical solution provided by the present invention, the problem of short circuit caused by dust adhesion and humid gas at the exposed part due to ventilation is solved, and corresponding dust-proof and humidity-removing equipment is required to be designed when setting up the ring net cage, so as to simplify the ring net cage and reduce some related cost, further, as shown in fig. 3, the circuit connection assembly 5 includes a core pillar base 7 inserted in the top port of the upper housing 6, an adaptor 9 inserted in the top port of the lower housing 8, and an elastic assembly 10 connected by screw threads and located in the bottom port, wherein, referring to fig. 5, the elastic assembly 10 includes a fixing base 14, two springs 15, a left arc-shaped snap plate 16 and a right arc-shaped snap plate 17, specifically, when installing, the bottom of the upper housing 6 is connected by screw threads with the top of the lower housing 8, and the bottom of the core pillar base 7 is inserted in the top of the adaptor 9, the adapter 21 of the upper housing 6 is screwed with the corresponding connecting base 12, and the stem base 7 is inserted into the connecting post in the connecting base 12.

Normally, when external cable got into circuit room 4 inside, will use the elastic assembly spare 10 unanimous with the cable specification, pass fixing base 14 with the cable, and left side arc cardboard 16 and right side arc cardboard 17 are under the effect of both sides spring 15, will fix the cable, and fixing base 14 respectively with be provided with the elastic connection piece 19 that is located the bottom between left side arc cardboard 16 and the right side arc cardboard 17, this is guaranteed when elastic assembly spare 10 installation gets into lower shell 8, this section is sealed, simultaneously with the sinle silk of cable install on adapter 9 can.

It should be detailed that, as shown in fig. 4, a concave thread groove 13 is formed at the top of the adapter of the lower housing 8, and a sealing ring is arranged inside the adapter, so as to ensure the connection sealing property between the upper housing 6 and the lower housing 8.

In the present embodiment, as shown in fig. 5, a rubber pad 18 is fixedly mounted on the inner wall of the adjacent side of the left arc-shaped clamping plate 16 and the right arc-shaped clamping plate 17 for increasing the friction force with the cable and ensuring the sealing performance.

Meanwhile, a sealing ring is arranged at the joint of the upper shell 6 and the connecting seat 12, so that the sealing performance of the joint is ensured.

In addition, the stem on the stem seat 7 is respectively a live wire, a zero line and a connecting wire, and is specifically an iron bar stem, and the line connecting assembly 5 is made of fireproof plastic materials.

It will be appreciated by those skilled in the art that other similar connecting means, such as welding, bonding or screwing, may also be used to implement the present invention.

The above embodiments are merely exemplary embodiments of the present invention, which is not intended to limit the present invention, and the scope of the present invention is defined by the appended claims. Various modifications and equivalents may be made by those skilled in the art to the present invention without departing from the spirit and scope of the invention, and such modifications and equivalents should be considered to be within the scope of the invention.

Claims (6)

1. A fixed looped netowrk cabinet, its characterized in that includes:

the ring main unit (1) is of a three-chamber structure and is respectively provided with a control chamber (2), a power distribution chamber (3) and a circuit chamber (4) from top to bottom;

a plurality of circuit coupling assembling (5), circuit coupling assembling (5) are including being located stem base (7) of last shell (6) top port grafting and being located adaptor (9) of shell (8) top port grafting and being located bottom port intraoral threaded connection's elasticity sub-assembly (10) down, go up shell (6) bottom with the top threaded connection of shell (8) down, the bottom of stem base (7) with the top of adaptor (9) is pegged graft mutually, still including being located circuit room (4) inboard top fixed mounting's wiring board (11), the bottom of wiring board (11) be provided with go up shell (6) adaptor threaded connection's connecting seat (12), the inside of connecting seat (12) is provided with the terminal, and with stem base (7) are pegged graft mutually.

2. The fixed ring main unit as claimed in claim 1, wherein a concave thread groove (13) is formed at a top of the adaptor of the lower shell (8), the upper shell (6) and the lower shell (8) are connected through the concave thread groove (13), and a sealing ring is disposed at a connection position.

3. The fixed ring main unit as claimed in claim 1, wherein the elastic assembly (10) comprises a fixed base (14), two springs (15), a left arc-shaped catch plate (16), and a right arc-shaped catch plate (17), one end of each of the two springs (15) is located in a spring slot symmetrically distributed inside the fixed base (14), and the other end is connected to the left arc-shaped catch plate (16) and the right arc-shaped catch plate (17).

4. The fixed ring main unit as claimed in claim 3, wherein a rubber pad (18) is fixedly installed on the inner wall of the adjacent side of the left arc-shaped clamping plate (16) and the right arc-shaped clamping plate (17), and an elastic connecting member (19) is arranged at the bottom between the fixed seat (14) and the left arc-shaped clamping plate (16) and the right arc-shaped clamping plate (17), respectively.

5. Fixed ring main unit according to claim 1, wherein the core column on the core column base (7) is a live, neutral and connecting line, respectively, and in particular a core column of iron bars.

6. The fixed ring main unit as claimed in claim 1, wherein a sealing ring is provided at the connection of the upper housing (6) and the connecting seat (12).

Images