CN201210592Y - Looped network switch cabinet - Google Patents

Abstract

Products applied to a 12KV, 50Hz power system, relate to a switching device as distribution of electric power and control, specifically to an SF6 complete insulating and panseal rig net switch cabinet. The rig net switch cabinet comprises a cabinet body, an operating mechanism and an air box, wherein the air box and the operating mechanism are arranged in the cabinet body; bus bars electrically connected and at least a triple-pole switch are arranged in the air box; a coil in bushing is electrically connected with a lower bus bar; at least a coil out bushing is electrically connected with an upper bus bar, wherein the coil out bushing is electrically connected with the triple-pole switch, and is arranged at a grounding end of the triple-pole switch; the coil in bushing and the coil out bushing are respectively arranged on two upper sides of the cabinet body. When the rig net switch cabinet is used as the coil in cabinet, the outgoing line is provided with grounding functions, and expansion is agile. The invention is an SF6 complete insulating and panseal rig net switch cabinet with convenient connection.

Description

Looped network switch cabinet

Technical Field

The product is applied to a 12kV and 50Hz power system, relates to a switch device for electric energy distribution and control, and particularly relates to SF₆Totally enclosed looped netowrk cubical switchboard of all insulation.

Background

Currently SF₆A series of medium-high voltage products are available for a gas full-insulation and full-sealing ring network switch cabinet, and in the products, all high-voltage primary parts are sealed and filled with SF₆The gas tank in, do not receive external environment's change influence, more be suitable for the abominable area in environment and use than general air insulation cubical switchboard, application scope is wider and the security is higher, but general cubical switchboard is not qualified for the next round of competitions the ground connection function when using for the inlet wire function, brings the hidden danger of user's power consumption, has the problem in the aspect of the power consumption safety.

Disclosure of Invention

The invention aims to provide a ring network switch cabinet with electric safety.

In order to achieve the purpose, the invention provides the following technical scheme:

the ring network switch cabinet comprises

The gas tank and the operating mechanism are both positioned in the cabinet body;

the gas tank is internally provided with a bus bar and at least one three-pole switch which are electrically connected;

the wire inlet sleeve is electrically connected with the lower bus bar;

at least one outlet bushing is electrically connected with the upper busbar;

wherein,

the outgoing line sleeve is electrically connected with the upper bus bar through the three-pole switch and is arranged at the grounding position end of the three-pole switch;

the inlet bushing and the outlet bushing are respectively positioned on two sides of the upper part of the cabinet body.

When the ring network switch cabinet is used as an incoming cabinet, the outgoing line has a grounding function, is flexible to expand and is convenient to connect₆Totally enclosed looped netowrk cubical switchboard of all insulation.

Drawings

Fig. 1 is a cross-sectional view of the ring network switch cabinet of the present invention in one direction;

fig. 2 is a cross-sectional view of the ring network switch cabinet of the present invention in another direction.

The present invention will be further explained with reference to the drawings and examples.

Detailed Description

The utility model discloses when the looped netowrk cubical switchboard was used as the inlet wire cabinet function, it had the function of connecting to be qualified for the next round of competitions, and the extension is nimble moreover, connects convenient SF6 totally enclosed looped netowrk cubical switchboard.

SF (sulfur hexafluoride)₆The totally-insulated and totally-enclosed looped network switch cabinet comprises SF₆The air box comprises an air box 1, an operating mechanism 6 and a cabinet body 5, wherein the air box 1 and the operating mechanism 6 are both positioned in the cabinet body 5. The gas box 1 is internally provided with an inlet bus bar row, an outlet bus bar row, a plurality of groups of three-position three-pole switches 2 and the like which are electrically connected. The inlet bushing 7 is electrically connected to the inlet busbar and the outlet bushing 4 is electrically connected to the outlet busbar. The inlet bushing 7 is located the upper portion left side of the cabinet body 5, and the outlet bushing 4 is located the upper portion right side of the cabinet body 5, and inlet bushing 7 and outlet bushing 4 can have a plurality ofly. The outgoing line sleeve 4 is electrically connected with the outgoing bus bar through the three-pole switch 2, and the outgoing line sleeve 4 is arranged at the grounding position end of the three-pole switch 2. Namely, the function of grounding the outgoing line end can be realized, and the power utilization safety of users can be better guaranteed. Three states corresponding to the three-position three-pole switch 2 are respectively as follows: firstly, disconnecting the bus inlet row and the bus outlet row; secondly, switching on, namely electrically connecting the bus inlet row with the bus outlet row; thirdly, the outgoing line sleeve is grounded, namely the outgoing line sleeve 5 is grounded, so that the outgoing line grounding function is realized.

According to the structure, the incoming line sleeve 7 and the outgoing line sleeve 5 of the ring network switch are respectively positioned on two sides above the cabinet body, namely, the outgoing lines are arranged on the incoming line side part of the side part.

Of course, the ring network switch cabinet of the utility model can also be deformed by other components. In conclusion, obvious variations from the above description of embodiments, as well as other modifications, which do not depart from the essence of the invention, are intended to be included within the scope of the appended claims.

Claims (2)

1. A looped network switch cabinet comprises

The gas tank and the operating mechanism are both positioned in the cabinet body;

the gas box is internally provided with an inlet bus bar, an outlet bus bar and at least one three-pole switch which are electrically connected;

at least one wire inlet sleeve is electrically connected with the bus inlet row;

at least one outlet bushing is electrically connected with the outlet bus bar;

it is characterized in that the preparation method is characterized in that,

the outgoing line sleeve is electrically connected with the outgoing bus bar through the three-pole switch and is arranged at the grounding position end of the three-pole switch;

the inlet bushing and the outlet bushing are respectively positioned on two sides of the upper part of the cabinet body.

2. The ring main unit as claimed in claim 1,

the method is characterized in that:

the number of the outgoing line sleeves is two.

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