CN221552657U - Armoured removable alternating current metal switch equipment - Google Patents

Abstract

The utility model discloses armoured movable alternating current metal switch equipment, which is characterized in that a bus bar chamber and a breaker chamber are arranged in a cabinet, the bus bar chamber is provided with a main bus bar, a branch bus bar, a current transformer and a fixed contact box, a first drawer and a second drawer are arranged in the breaker chamber, a buckling plate and a solid-sealed polar column are arranged on the end face of the first drawer, which is close to the second drawer, a movable contact finger is arranged on the solid-sealed polar column, the movable contact finger is opposite to the current transformer and the fixed contact box, a locking column and a micro switch are arranged on the buckling plate, an operating mechanism is arranged in the second drawer, the end face of the second drawer, which is close to the buckling plate, is provided with a locking shaft, the second drawer is connected to the buckling plate in a matched manner through the locking shaft and the locking column, and when the locking shaft is connected with the locking column in a matched manner, the micro switch is in a closed state, and the operating mechanism is connected with a contact mechanism of the solid-sealed polar column in a matched manner. The armoured movable alternating current metal switch equipment is convenient to operate, compact in integral structure and convenient to overhaul when the breaker chamber is operated.

Description

Armoured removable alternating current metal switch equipment

Technical Field

The utility model relates to the technical field of switching equipment, in particular to armored movable alternating current metal switching equipment.

Background

The armoured movable AC metal switch equipment is suitable for three-phase AC single bus and single bus sectionalized power system, mainly applied to power generation and distribution systems of power plants, power substations, industrial and mining enterprises and high-rise buildings, used for receiving and distributing electric energy, and used for controlling, protecting and monitoring circuits, and can be assembled with microcomputer intelligent protection to realize remote measurement, remote control, remote signaling and unattended operation.

The circuit breaker chamber of the existing armored movable alternating current metal switch equipment generally adopts the structure of a circuit breaker handcart, when the circuit breaker handcart enters a cabinet, the handcart is pushed into the test/isolation position of the circuit breaker chamber, and then the cabinet door is closed to shake the handcart into the working position through a crank. The existing circuit breaker handcart is heavy, the operation mode efficiency is low, the existing circuit breaker handcart generally needs to be matched by multiple people, and inconvenience exists in maintenance.

Disclosure of utility model

In order to solve the problems, the technical scheme provided by the utility model is as follows:

The utility model provides an armor movable type alternating current metal switching equipment, includes the rack, be provided with busbar room and circuit breaker room in the rack, the busbar room is provided with main busbar, follow branch's generating line, current transformer and the static contact box of drawing forth on the main busbar, branch's generating line respectively with current transformer with the static contact box is connected, the both sides inner wall of circuit breaker room is provided with the drawer guide rail, be provided with first drawer in the circuit breaker room and set up first drawer top and advance the depth is shorter than first drawer's second drawer, first drawer with the second drawer is connected respectively on the drawer guide rail, first drawer is close to the terminal surface of second drawer is equipped with buckling plate and seal post, be equipped with the movable contact finger on the seal post, the movable contact finger just to current transformer with the static contact box, be equipped with locking post and micro-gap switch on the buckling plate, be provided with operating device in the second drawer is close to the terminal surface of buckling plate is equipped with the locking shaft and setting up the second drawer and is in when locking shaft and the cooperation locking mechanism seal the seal post.

The utility model is further arranged that one end of the locking shaft is connected to the backboard of the second drawer, the periphery of the locking shaft is protruded to form a clamping part, a through cavity is arranged on the locking column, and a clamping groove is arranged on the inner wall of the through cavity; when the locking shaft is connected with the locking column in a matched mode, the clamping part is connected in the clamping groove.

The utility model further provides that the through cavity is adjacent to the opening of the second drawer to form a horn-shaped guide opening.

The utility model further provides that the buckling plate is provided with a spring, the end face of the second drawer, which is close to the buckling plate, is also provided with a limiting column, and the limiting column is arranged opposite to the spring.

The utility model further provides that a cabinet door is arranged on one side, facing the breaker chamber, of the cabinet, and handles are respectively arranged on the end faces, close to the cabinet door, of the first drawer and the second drawer.

The utility model further provides that the inner walls of the two sides of the breaker chamber are provided with mounting side plates, the mounting side plates are provided with a plurality of positioning holes, and the drawer guide rail is fixed on the mounting side plates through the positioning holes by a fastener.

The utility model further provides a cable chamber, wherein the cable chamber is positioned below the bus chamber and the breaker chamber, a lightning arrester, a grounding switch and a grounding bus are arranged in the cable chamber, and the grounding switch is electrically connected with the lightning arrester and the grounding bus respectively.

The utility model is further arranged such that the ground strap is located below the breaker chamber.

The utility model further provides an instrument room which is positioned above the breaker room, and a cabinet door is arranged on one side of the cabinet, which is opposite to the instrument room.

The utility model further provides that the top of the cabinet is provided with a bus inlet hole.

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

According to the technical scheme, the circuit breaker chamber of the armored movable alternating current metal switch device adopts the first drawer and the second drawer which are separated, the first drawer is provided with the solid sealing pole, the second drawer is provided with the operating mechanism, the first drawer and the second drawer are sequentially connected to the drawer guide rail when the circuit breaker chamber is operated, the second drawer is pushed again to enable the locking shaft to be connected with the locking pole in a matched mode, the second drawer is locked on the buckling plate, and the operating mechanism is connected with the contact mechanism of the solid sealing pole in a matched mode, so that the operation is convenient.

The first drawer and the second drawer of the armored movable alternating-current metal switch device are arranged in a split mode, so that the solid-sealed pole column in the circuit breaker chamber is modularized with the operating mechanism, when faults occur, the first drawer or the second drawer can be overhauled by wire inlet, and meanwhile, the arrangement of the first drawer and the second drawer is more compact and reasonable compared with the existing circuit breaker handcart.

Drawings

Fig. 1 is a perspective view of an armoured removable ac metal switching apparatus according to an embodiment of the present utility model.

Fig. 2 is an internal schematic view of an armoured removable ac metal switching apparatus according to an embodiment of the present utility model.

Fig. 3 is a schematic view of the interior of a circuit breaker chamber according to an embodiment of the utility model.

Fig. 4 is a partial enlarged view of the interior of the circuit breaker chamber according to an embodiment of the present utility model.

Detailed Description

For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings and examples.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, integrally connected, or detachably connected; can be mechanical connection or electric connection, or can be communication between two elements; may be directly connected or indirectly connected through an intermediate medium, and the specific meaning of the above terms will be understood by those skilled in the art according to the specific circumstances.

Referring to fig. 1 to 4, the technical scheme of the utility model is an armored movable alternating current metal switch device, which comprises a cabinet 1, wherein a bus bar chamber 2 and a breaker chamber 3 are arranged in the cabinet 1, the bus bar chamber 2 is provided with a main bus bar 21, a branch bus bar 22 led out from the main bus bar 21, a current transformer 23 and a static contact box 24, the branch bus bar 22 is respectively connected with the current transformer 23 and the static contact box 24, drawer guide rails 31 are arranged on the inner walls of two sides of the breaker chamber 3, a first drawer 32 and a second drawer 33 which is arranged above the first drawer 32 and is deeper than the first drawer 32 are arranged in the breaker chamber 3, the first drawer 32 and the second drawer 33 are respectively connected to the drawer guide rails 31, a buckling plate 321 and a fixed contact column 322 are arranged on the end face of the first drawer 32 close to the second drawer 33, a movable contact finger 323 is arranged on the fixed contact box 23 and the fixed contact box 23, a movable contact pin 325 is arranged on the fixed contact column 322, and is in a locking mechanism 325 is arranged on the end face of the movable contact pin 323 and is in a locking mechanism 325, and is in a locking mechanism 332 is matched with the second drawer guide rails 33, and is in a locking mechanism is matched with the locking mechanism 33.

In the above embodiment, the breaker chamber of the armoured removable ac metal switching apparatus adopts the first drawer 32 and the second drawer 33 which are separated, the first drawer 32 is provided with the solid-sealed pole 322, the second drawer 33 is provided with the operating mechanism 331, when the breaker chamber is operated, the first drawer 32 and the second drawer 33 are sequentially connected to the drawer guide rail 31, and then the second drawer 33 is pushed to make the locking shaft 332 and the locking pole 324 be in matched connection, the second drawer 33 is locked on the buckling plate 321, and the operating mechanism 331 is in matched connection with the contact mechanism of the solid-sealed pole 332, so that the operation is convenient.

In the above embodiment, the drawer rail 31 where the first drawer 32 is located and the drawer rail 31 where the second drawer 33 is located are parallel to each other.

In the above embodiment, the locking shaft 332 and the locking post 324 are locking structures of the first drawer 32 and the second drawer 33; after the first drawer 32 and the second drawer 33 are connected in place, the operating mechanism 331 is cooperatively connected with the contact mechanism of the encapsulated pole 322.

In this embodiment, one end of the locking shaft 332 is connected to the back plate of the second drawer 33, the periphery of the locking shaft 332 is protruded to form a clamping portion 3321, the locking column 324 is provided with a through cavity 3241, and the inner wall of the through cavity 3241 is provided with a clamping groove 3242; when the lock shaft 332 is coupled to the lock post 324, the engaging portion 3321 is coupled to the engaging groove 3242.

In this embodiment, the opening of the through cavity 3241 near the second drawer 33 forms a horn-shaped guide opening, which facilitates the insertion of the locking shaft 332 into the through cavity 3241, so as to ensure the smoothness of the cooperation between the second drawer 33 and the first drawer 32.

In this embodiment, a spring 326 is disposed on the buckling plate 321, a limit post 333 is further disposed on the end surface of the second drawer 33 adjacent to the buckling plate 321, and the limit post 333 is disposed opposite to the spring 326; the spring 326 cushions the connection of the first drawer 32 and the second drawer 33.

In this embodiment, a cabinet door 6 is disposed on a side of the cabinet 1 facing the breaker chamber 3, handles 327 are disposed on end surfaces of the first drawer 32 close to the cabinet door 6, and handles 334 are disposed on end surfaces of the second drawer 33 close to the cabinet door 6.

In this embodiment, the inner walls of the two sides of the breaker chamber 3 are provided with mounting side plates 34, the mounting side plates 34 are provided with a plurality of positioning holes, and the drawer guide rail 31 is fixed on the mounting side plates 34 by passing through the positioning holes through fasteners.

In this embodiment, the cable room 4 is located below the bus bar room 2 and the breaker room 3, and a lightning arrester 41, a grounding switch 42 and a grounding bus bar 43 are disposed in the cable room 4, and the grounding switch 42 is electrically connected with the lightning arrester 41 and the grounding bus bar 43 respectively.

In the present embodiment, the ground bus 43 is located below the breaker chamber 3.

In this embodiment, the device further comprises an instrument room 5, the instrument room 5 is located above the breaker room 3, and a cabinet door is arranged on one side of the cabinet 1, which faces the instrument room 5.

In this embodiment, a bus wire inlet hole 11 is provided at the top of the cabinet 1, so as to facilitate the wiring of the switchgear.

The first drawer and the second drawer of the armored movable alternating-current metal switch device are arranged in a split mode, the solid sealing pole column in the circuit breaker chamber is modularized with the operating mechanism, when faults occur, the first drawer or the second drawer can be overhauled by wire inlet, and meanwhile, the arrangement of the first drawer and the second drawer is more compact and reasonable compared with that of an existing circuit breaker handcart.

The utility model and its embodiments have been described above by way of illustration and not limitation, and the utility model is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.

Claims (10)

1. The utility model provides an armor movable type alternating current metal switching equipment, its characterized in that includes the rack, be provided with busbar room and circuit breaker room in the rack, the busbar room is provided with main busbar, follow branch busbar, current transformer and the static contact box of drawing forth on the main busbar, branch busbar respectively with current transformer with the static contact box is connected, the both sides inner wall of circuit breaker room is provided with the drawer guide rail, be provided with first drawer in the circuit breaker room and set up first drawer top and depth is shorter than first drawer's second drawer, first drawer with the second drawer is connected respectively on the drawer guide rail, first drawer is close to the terminal surface of second drawer is equipped with buckling plate and solid seal post, be equipped with movable contact finger on the solid seal post, movable contact finger just to current transformer with the static contact box, be equipped with locking post and micro-gap switch on the buckling plate, be provided with operating device in the second drawer is close to the second drawer terminal surface be equipped with the locking plate the second drawer through locking shaft cooperation locking mechanism with locking post when locking mechanism and the connection are in the locking mechanism.

2. The armored movable alternating current metal switch device according to claim 1, wherein one end of the locking shaft is connected to a back plate of the second drawer, a clamping part is formed by protruding the periphery of the locking shaft, a through cavity is formed on the locking column, and a clamping groove is formed in the inner wall of the through cavity; when the locking shaft is connected with the locking column in a matched mode, the clamping part is connected in the clamping groove.

3. An armored mobile ac metal switching device according to claim 2 wherein the through cavity forms a horn-like guide opening adjacent the opening of the second drawer.

4. A metal-clad removable ac switchgear according to any of claims 1 to 3, wherein the buckling plate is provided with a spring, and the end face of the second drawer adjacent to the buckling plate is further provided with a limit post, and the limit post is arranged opposite to the spring.

5. A armoured removable ac metal switchgear according to any one of claims 1 to 3 characterised in that the side of the cabinet facing the breaker chamber is provided with a cabinet door, and the end faces of the first drawer and the second drawer adjacent to the cabinet door are provided with handles respectively.

6. A armoured removable ac metal switchgear according to any one of claims 1 to 3 characterised in that the inner walls of the sides of the circuit breaker chamber are provided with mounting side plates provided with a plurality of locating holes through which the drawer rail is secured to the mounting side plates by fasteners.

7. A armoured removable ac metal switchgear according to any one of claims 1 to 3 further comprising a cable chamber below the busbar chamber and the breaker chamber, a lightning arrester, a grounding switch and a grounding busbar being provided in the cable chamber, the grounding switch being electrically connected to the lightning arrester and the grounding busbar respectively.

8. The armored mobile ac metal switching device of claim 7 wherein the ground bus is located below the breaker chamber.

9. A armoured removable ac metal switchgear according to any one of claims 1 to 3 further comprising an instrument room above the breaker chamber, the cabinet being provided with a cabinet door on the side facing the instrument room.

10. A armoured removable ac metal switchgear according to any one of claims 1 to 3 characterised in that the top of the cabinet is provided with busbar feed holes.