CN217508084U

CN217508084U - Ring main unit air box and ring main unit

Info

Publication number: CN217508084U
Application number: CN202221435836.0U
Authority: CN
Inventors: 黄慧; 李吉程; 覃发颖; 吴小升
Original assignee: Shanghai Nanhua Lanling Electrical Co ltd
Current assignee: Shanghai Nanhua Lanling Electrical Co ltd
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2022-09-27
Anticipated expiration: 2032-06-10

Abstract

The utility model discloses a looped netowrk cabinet gas tank relates to electrical equipment technical field, the power distribution box comprises a box body, be provided with binding post, the main female row that connects gradually, three-station isolator, be qualified for the next round of competitions down and the bushing that goes out, binding post inlays to be located the inner wall of box, the main female row with be qualified for the next round of competitions down the row fixed connection in the inner wall of box, three-station isolator pass through crossbeam fixed connection in the box, be provided with the vacuum bulb circuit breaker in the three-station isolator. Through the utility model discloses a setting has provided an arrangement structure compactness, and each part is connected rationally to make the gas tank size meet the standard, inside individual components and parts position is arranged more rationally, safe distance ring main unit gas tank up to standard.

Description

Ring main unit air box and ring main unit

Technical Field

The utility model relates to the technical field of electrical equipment, especially, relate to a looped netowrk cabinet gas tank and looped netowrk cabinet.

Background

The ring main unit is one kind of switch cabinet, and is one set of transmission and distribution electric equipment (high voltage switch equipment) installed inside metal or non-metal insulating cabinet or assembled ring main unit with separated power supply. The power supply device 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 looped netowrk cabinet gas tank has components and parts such as three station isolations and the circuit breaker that contains the vacuum bubble as the core module of looped netowrk cabinet, internal layout.

The position of how to arrange important components in the gas box has important influence on tests which guarantee safety and use requirements such as temperature difference tests and arcing tests specified by national standards.

Therefore the utility model provides an arrangement structure is compact, and each part is connected rationally to make the gas tank size satisfy the standard, inside individual components and parts position is arranged more rationally, safe distance ring main unit gas tank up to standard.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a ring main unit gas tank.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the ring main unit gas box comprises a box body, wherein a wiring terminal, a main busbar, a three-station isolating switch, a lower outlet busbar and an outlet bushing which are connected in sequence are arranged in the box body, the wiring terminal is embedded in the inner wall of the box body, the main busbar and the lower outlet busbar are fixedly connected to the inner wall of the box body, the three-station isolating switch is fixedly connected to the box body through a cross beam, and a vacuum bubble breaker is arranged in the three-station isolating switch.

Furthermore, the top of the box body is provided with a mounting plate, and the mounting plate is provided with mounting holes.

Furthermore, the side wall of one side of the box body is provided with a concave structure, the outgoing line sleeve is positioned in the concave structure, and the length of the outgoing line sleeve is lower than the depth of the concave structure.

Furthermore, the box body comprises a top plate, two side plates, two end plates and a bottom plate, the top plate, the side plates, the end plates and the bottom plate are enclosed to form a box body structure, one end plate is bent towards the inside of the box body, and the end plate and the two side plates form the concave structure.

Furthermore, a first mounting part is arranged on one side of the main bus bar, penetrates through the end plate and extends outwards.

Furthermore, a second mounting part is arranged on one side of the outlet lower support row, penetrates through the end plate and extends outwards.

A ring main unit comprises the ring main unit air box.

Advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that: through the utility model discloses a setting, has provided an arrangement structure compactness, and each part is connected rationally to make the gas tank size satisfy the standard, inside individual components and parts position is arranged more rationally, safe distance ring main unit gas tank up to standard.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a schematic view of the overall structure of a ring main unit air box;

fig. 2 is a schematic diagram of an internal structure of a ring main unit gas box;

fig. 3 is a side view of the internal structure of the ring main unit air box.

In the figure: 1. a wiring terminal; 2. a main busbar; 3. a three-position isolating switch; 4. the lower branch of the outlet wire is arranged; 5. a wire outlet sleeve; 6. mounting a plate; 7. a box body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a ring main unit gas tank comprises a tank body 7, wherein a connecting terminal 1, a main busbar 2, a three-station isolating switch 3, a lower outlet bracket 4 and an outlet bushing 5 which are connected in sequence are arranged in the tank body 7, the connecting terminal 1 is embedded in the inner wall of the tank body 7, the main busbar 2 and the lower outlet bracket 4 are fixedly connected to the inner wall of the tank body 7, the three-station isolating switch 3 is fixedly connected in the tank body 7 through a cross beam, and a vacuum bubble breaker is arranged in the three-station isolating switch 3; the wiring terminals 1 are provided with three groups and fixedly connected to a main bus bar 2 respectively, the lower port of the main bus bar 2 is fixedly connected with a three-station isolating switch 3, three groups of vacuum bubble circuit breakers are arranged in the three-station isolating switch 3, the bottom port of the vacuum bubble circuit breaker is fixedly connected to an outgoing line lower support 4, and the outgoing line lower support 4 is provided with three groups of lower ports which are arranged corresponding to three groups of outgoing line sleeves 5 respectively; specifically, a connecting terminal 1, a vacuum bulb breaker and an outlet bushing 5 form a connecting circuit.

The box 7 top is provided with mounting panel 6, has seted up the mounting hole on the mounting panel 6, so that install the looped netowrk cabinet gas tank inside the looped netowrk cabinet through the mounting panel 6 that sets up.

The lateral wall of box 7 one side has sunk structure, and outlet sleeve 5 is located sunk structure, and outlet sleeve 5's length is less than sunk structure's the degree of depth, through the sunk structure that sets up to prevent outlet sleeve 5 outside extension distance process, influence the holistic structure volume of looped netowrk cabinet gas tank, and avoid in looped netowrk cabinet gas tank installation, outlet sleeve 5 part receives the damage.

Specifically, the box body 7 comprises a top plate, two side plates, two end plates and a bottom plate, the top plate, the side plates, the end plates and the bottom plate are enclosed to form a box body 7 structure, one of the end plates is bent towards the inside of the box body 7, and the end plate and the two side plates form a concave structure.

Main female 2 one side of arranging is provided with first installed part, and first installed part runs through the end plate and outwards extends to main female dismantlement and the installation of arranging.

And a second mounting part is arranged on one side of the lower outgoing line support 4, penetrates through the end plate and extends outwards, so that the lower outgoing line support is convenient to detach and mount.

A ring main unit comprises the ring main unit air box.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The ring main unit gas tank is characterized by comprising a tank body, wherein a wiring terminal, a main busbar, a three-station isolating switch, a lower outlet branch and an outlet sleeve are arranged in the tank body, the wiring terminal is embedded in the inner wall of the tank body, the main busbar and the lower outlet branch are fixedly connected to the inner wall of the tank body, the three-station isolating switch is fixedly connected into the tank body through a cross beam, and a vacuum bubble circuit breaker is arranged in the three-station isolating switch.

2. The ring main unit air box of claim 1, wherein a mounting plate is disposed on a top of the box body, and a mounting hole is formed in the mounting plate.

3. The ring main unit air box according to claim 1, wherein a side wall of one side of the box body is provided with a recessed structure, the outgoing line sleeve is located in the recessed structure, and the length of the outgoing line sleeve is lower than the depth of the recessed structure.

4. A ring main unit air box according to claim 3, wherein the box body comprises a top plate, two side plates, two end plates and a bottom plate, the top plate, the side plates, the end plates and the bottom plate are enclosed to form a box body structure, one of the end plates is bent towards the inside of the box body, and forms the recessed structure with the two side plates.

5. The ring main unit gas box according to claim 4, wherein a first mounting member is disposed on one side of the main bus bar, and the first mounting member penetrates through the end plate and extends outwards.

6. The ring main unit air box of claim 4, wherein a second mounting member is provided at one side of the outlet lower support row, and the second mounting member penetrates through the end plate and extends outwards.

7. A ring main unit, characterized in that it comprises a ring main unit air box according to any one of the above claims 1-6.