CN111490486A - Indoor metal armored movable switch cabinet - Google Patents

Abstract

The invention relates to the technical field of high-voltage complete switch equipment, and particularly discloses an indoor metal armored movable switch cabinet, which comprises: the device comprises a cabinet body, and a secondary low-pressure chamber, a first handcart chamber, a second handcart chamber, a bus chamber, a first cable chamber and a second cable chamber which are positioned in the cabinet body; a first circuit breaker is arranged in the first handcart room, a second circuit breaker is arranged in the second handcart room, a first current transformer and a first high-voltage cable are arranged in the first cable room, a second current transformer and a second high-voltage cable are arranged in the second cable room, and a power supply is arranged in the bus room; the power is connected with the first current transformer through the first circuit breaker and connected with the second current transformer through the second circuit breaker respectively, and the first current transformer supplies power for the first load that corresponds through first high tension cable, and the second current transformer supplies power for the second load that corresponds through the second high tension cable. The indoor metal armored movable switch cabinet provided by the invention occupies small space, is low in cost and is simple to operate.

Description

An indoor metal armored removable switch cabinet

technical field

The invention relates to the technical field of high-voltage complete switch equipment, in particular to an indoor metal armored removable switch cabinet.

Background technique

It is currently recognized that the indoor metal armored removable switchgear cabinet includes: the interior of the cabinet is divided into a low-voltage cell located in the upper part of the front side, the circuit breaker room in the middle part of the front side, the front lower chamber in the lower part of the front side, and the upper part of the rear side. The busbar room and the cable room at the lower rear side, the circuit breaker room is equipped with a circuit breaker, the busbar room is provided with an upper contact box connected to the power supply side of the circuit breaker, and the cable room is provided with a lower contact box connected to the load side of the circuit breaker The head box, the busbar is connected to the upper contact box through the copper bar after entering the busbar room, the lower contact box is connected to the P2 end of the current transformer through the busbar, the P1 end of the current transformer is connected to the grounding switch through the busbar, and the lower contact busbar is set to enter the other end. Switchgear; the existing switchgear cabinet is usually the outlet cabinet equipped with a circuit breaker handcart to supply power to one kind of load. It is impossible to realize that one outlet can supply power to two different loads, and the power supply of the two loads is independent of each other. The two outlet cabinets not only take up a lot of space, but also increase the equipment investment cost.

SUMMARY OF THE INVENTION

The invention provides an indoor metal armored removable switch cabinet, which solves the problem in the related art that one cannot supply power to two different loads.

As a first aspect of the present invention, an indoor metal armored removable switch cabinet is provided, which includes: a cabinet body and a secondary low-voltage room, a first handcart room, a second hand The vehicle compartment, the busbar compartment, the first cable compartment and the second cable compartment, the secondary low-voltage compartment, the first handcart compartment and the second handcart compartment are located in the upper, middle and lower parts of the front side of the cabinet in turn, so The busbar room is located in the middle of the cabinet body, and the first cable room and the second cable room are located in the upper and lower parts of the rear side of the cabinet inner body in sequence;

A first circuit breaker is arranged in the first handcart compartment, a second circuit breaker is arranged in the second handcart compartment, and a first current transformer and a connection with the first current transformer are arranged in the first cable compartment. The first high-voltage cable connected, the second current transformer and the second high-voltage cable connected to the second current transformer are arranged in the second cable compartment, the power supply is arranged in the busbar compartment, the first circuit breaker and The second circuit breakers are all connected to the power source, the first current transformer is connected to the first circuit breaker, and the second current transformer is connected to the second circuit breaker;

The power source is connected to the first current transformer through the first circuit breaker and the second current transformer through the second circuit breaker, respectively, and the first current transformer is connected to the first current transformer through the first circuit breaker. The high-voltage cable supplies power to the corresponding first load, and the second current transformer supplies power to the corresponding second load through the second high-voltage cable.

Further, a first circuit breaker trolley contact box and a second circuit breaker trolley contact box are also provided in the busbar compartment, and the first circuit breaker trolley contact box is used to connect the power supply and the The first circuit breaker and the second circuit breaker trolley contact box are used to connect the power source and the second circuit breaker.

Further, the cabinet is divided into a secondary low-voltage room, a first handcart room, a second handcart room, a busbar room, a first cable room and a second cable room by metal partitions, and each adjacent two rooms are All are separated by the metal partition.

Further, an insulator is arranged between the power supply in the busbar compartment and the metal partition.

Further, a first grounding switch is arranged in the first cable compartment, a second earthing switch is arranged in the second cable compartment, the first earthing switch is connected to the first high-voltage cable, and the second earthing switch is connected with the second high-voltage cable.

Further, the first high-voltage cable and the first current transformer and the second high-voltage cable and the second current transformer are connected by copper bus bars.

Further, a first cabinet door and a second cabinet door are arranged on the rear side of the cabinet body, a first electromagnetic lock is arranged on the first cabinet door, a second electromagnetic lock is arranged on the second cabinet door, and the first electromagnetic lock is arranged on the second cabinet door. A cabinet door corresponds to the first handcart compartment, and the second cabinet door corresponds to the second handcart compartment.

Further, a first observation window is provided on the first cabinet door, and a second observation window is provided on the second cabinet door, and the first observation window is used to observe the first cable compartment, and the second observation window is used for observing the first cable compartment. The viewing window is used to observe the second cable compartment.

Further, the first cabinet door is provided with a first cabinet interior lighting lamp, and the second cabinet door is provided with a second cabinet interior lighting lamp.

Further, the front side of the cabinet is provided with a first handcart observation window and a second handcart observation window, the first handcart observation window is used to observe the first handcart compartment, the second handcart A viewing window is used to observe the second handcart compartment.

The indoor metal armored removable switch cabinet provided by the invention adopts the indoor armored switch cabinet, and the cabinet body is divided into six unit rooms, which are independent of each other and do not affect each other; the busbar room is located in the middle of the cabinet body position, the first current transformer is connected to the first circuit breaker, the second circuit breaker is connected to the second current transformer, and power is supplied to the end load through the first current transformer and the second current transformer respectively, so that the two The load power supply is independent of each other, and the indoor metal armored removable switch cabinet occupies a small space, does not increase the equipment investment cost, and has the advantage of simple operation by the operation and maintenance personnel.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and together with the following specific embodiments, are used to explain the present invention, but do not constitute a limitation to the present invention.

FIG. 1 is a schematic structural diagram of an indoor metal armored removable switch cabinet provided by the present invention.

FIG. 2 is a rear view of the indoor metal armored removable switch cabinet provided by the present invention.

FIG. 3 is a front view of the indoor metal armored removable switch cabinet provided by the present invention.

Detailed ways

It should be noted that the embodiments of the present invention and the features of the embodiments may be combined with each other under the condition of no conflict. The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only Embodiments of some, but not all, of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

It should be noted that the terms "first", "second" and the like in the description and claims of the present invention and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances for the embodiments of the invention described herein. Furthermore, the terms "comprising" and "having", and any variations thereof, are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those expressly listed Rather, those steps or units may include other steps or units not expressly listed or inherent to these processes, methods, products or devices.

In this embodiment, an indoor metal armored removable switch cabinet is provided. FIG. 1 is a schematic structural diagram of an indoor metal armored removable switch cabinet according to an embodiment of the present invention, as shown in FIG. 1 , It includes: a cabinet 2 and a secondary low-voltage room 21 located in the cabinet 2, a first handcart room 19, a second handcart room 17, a busbar room 8, a first cable room 5 and a second cable room 11, The secondary low-voltage chamber 21 , the first handcart chamber 19 and the second handcart chamber 17 are located in the upper, middle and lower parts of the front side of the cabinet 2 in sequence, and the busbar chamber 8 is located at the front of the cabinet 2 . In the middle, the first cable room 5 and the second cable room 11 are located in the upper and lower parts of the rear side of the cabinet 2 in sequence;

The first handcart compartment 19 is provided with a first circuit breaker 20, the second handcart compartment 17 is provided with a second circuit breaker 18, and the first cable compartment 5 is provided with a first current transformer 3 and the first high-voltage cable 4 connected to the first current transformer 3, the second cable compartment 11 is provided with a second current transformer 15 and a second high-voltage cable connected to the second current transformer 15 13. A power supply is provided in the busbar compartment 8, the first circuit breaker 20 and the second circuit breaker 18 are both connected to the power source, and the first current transformer 3 is connected to the first circuit breaker 20 , the second current transformer 15 is connected to the second circuit breaker 18;

The power supply is connected to the first current transformer 3 through the first circuit breaker 20 and the second current transformer 15 through the second circuit breaker 18 respectively, and the first current transformer 3 The first high-voltage cable 4 supplies power to the corresponding first load, and the second current transformer 15 supplies power to the corresponding second load through the second high-voltage cable 13 .

The indoor metal armored removable switch cabinet provided by the embodiment of the present invention adopts the indoor armored switch cabinet, and the cabinet body is divided into six unit rooms, which are independent of each other and do not affect each other; the busbar room is located in the cabinet In the middle of the body, the first current transformer is connected to the first circuit breaker, the second circuit breaker is connected to the second current transformer, and power is supplied to the terminal load through the first current transformer and the second current transformer respectively, so that the The power supply of the two loads is independent of each other, and the indoor metal armored removable switch cabinet occupies a small space, does not increase the equipment investment cost, and also has the advantage of simple operation by the operation and maintenance personnel.

Specifically, as shown in FIG. 1 , a first circuit breaker trolley contact box 7 and a second circuit breaker trolley contact box 16 are also provided in the busbar compartment. The first circuit breaker trolley contact box 7 It is used for connecting the power source and the first circuit breaker 20 , and the second circuit breaker trolley contact box 16 is used for connecting the power source and the second circuit breaker 18 .

As shown in FIG. 1 , the interior of the cabinet 2 is divided into a secondary low-voltage chamber 21 located in the upper part of the front side, the first handcart chamber 19 in the middle part of the front side, the second handcart chamber 17 in the lower part of the front side, the busbar chamber 8 in the middle part, The first cable compartment 5 in the upper part of the rear side, the second cable compartment 11 in the lower part of the rear side, and the secondary low-voltage compartment 21 are installed with miniature circuit breakers, comprehensive protection devices, control devices, terminal blocks, buttons, indicator lights, etc.; first-hand A first circuit breaker 20 is arranged in the vehicle compartment 19, and a second circuit breaker 18 is arranged in the second handcart compartment. A first current transformer 3 and a first grounding switch 6 are arranged in the first cable compartment 5, a second current transformer 15 and a second earthing switch 12 are arranged in the second cable compartment 11, and a The insulator 9, the handcart contact box 7 of the first circuit breaker, the handcart contact box 16 of the second circuit breaker and the busbar, after the copper bar enters the line, the busbar chamber 8 is connected to the lower contact arm of the first circuit breaker 20, the first The upper contact arm of the circuit breaker 20 is connected to the P1 end of the first current transformer 3 , and the P2 end of the first current transformer 3 is connected to the first high-voltage cable 4 to supply power to the corresponding first load. The power supply principle of the second load is the same as that of the first load. Therefore, the indoor metal armored removable switch cabinet provided by the embodiment of the present invention realizes that one outlet cabinet can supply power to two different loads without affecting each other.

Specifically, as shown in FIG. 1 , the cabinet 2 is divided into a secondary low voltage chamber 21 , a first handcart chamber 19 , a second handcart chamber 17 , a busbar chamber 8 , a first cable chamber 5 and The second cable compartment 11 is separated by the metal partition between every two adjacent compartments.

Preferably, an insulator is arranged between the power supply in the busbar compartment 8 and the metal partition.

Specifically, a first grounding switch 6 is arranged in the first cable compartment 5 , a second earthing switch 12 is arranged in the second cable compartment 11 , and the first earthing switch 6 is connected to the first high-voltage cable 4 . connected, the second grounding switch 12 is connected to the second high-voltage cable 13 .

Specifically, the first high-voltage cable 4 and the first current transformer 3 and the second high-voltage cable 13 and the second current transformer 15 are connected by copper bus bars 14 .

Specifically, as shown in FIG. 2 , a first cabinet door and a second cabinet door are arranged on the rear side of the cabinet body 2 , a first electromagnetic lock 22 is arranged on the first cabinet door, and a first electromagnetic lock 22 is arranged on the second cabinet door. For the second electromagnetic lock 26 , the first cabinet door corresponds to the first handcart compartment 19 , and the second cabinet door corresponds to the second handcart compartment 17 .

Specifically, as shown in FIG. 2, the first cabinet door is provided with a first observation window 23, the second cabinet door is provided with a second observation window 25, and the first observation window 24 is used to observe the In the first cable room 5 , the second observation window 25 is used to observe the second cable room 11 .

Specifically, as shown in FIG. 2 , the first cabinet door is provided with a first cabinet interior lighting lamp 24 , and the second cabinet door is provided with a second cabinet interior lighting lamp 27 .

Specifically, as shown in FIG. 3 , a first observation window 28 and a second observation window 29 are provided on the front side of the cabinet 2 , and the first observation window 28 is used to observe the first In the handcart room 19 , the second handcart observation window 29 is used to observe the second handcart room 17 .

It should be noted that, as shown in FIG. 1 , the top of the cabinet body 2 is further provided with a small bus bar 1 on the top of the cabinet.

To sum up, the indoor metal armored removable switch cabinet provided by the embodiment of the present invention has the advantages of compact structure, reduced equipment space, reduced investment cost, easy maintenance, and quick replacement of circuit breakers.

It can be understood that the above embodiments are only exemplary embodiments adopted to illustrate the principle of the present invention, but the present invention is not limited thereto. For those skilled in the art, without departing from the spirit and essence of the present invention, various modifications and improvements can be made, and these modifications and improvements are also regarded as the protection scope of the present invention.

Claims (10)

1. An indoor metal armored withdrawable switchgear, comprising: the low-voltage cabinet comprises a cabinet body, and a secondary low-voltage chamber, a first handcart chamber, a second handcart chamber, a bus chamber, a first cable chamber and a second cable chamber which are positioned in the cabinet body, wherein the secondary low-voltage chamber, the first handcart chamber and the second handcart chamber are sequentially positioned at the upper part, the middle part and the lower part of the front side in the cabinet body, the bus chamber is positioned at the middle part of the cabinet body, and the first cable chamber and the second cable chamber are sequentially positioned at the upper part and the lower part of the rear side of the cabinet body;

the indoor first circuit breaker is arranged in the first handcart room, the indoor second circuit breaker is arranged in the second handcart room, a first current transformer and a first high-voltage cable connected with the first current transformer are arranged in the first cable room, a second current transformer and a second high-voltage cable connected with the second current transformer are arranged in the second cable room, a power supply is arranged in the bus room, the first circuit breaker and the second circuit breaker are both connected with the power supply, the first current transformer is connected with the first circuit breaker, and the second current transformer is connected with the second circuit breaker;

the power respectively passes through first circuit breaker with first current transformer is connected and passes through the second circuit breaker with second current transformer connects, first current transformer passes through first high tension cable supplies power for the first load that corresponds, second current transformer passes through second high tension cable supplies power for the second load that corresponds.

2. The indoor metal armored withdrawable switchgear of claim 1, wherein a first circuit breaker handcart contact box and a second circuit breaker handcart contact box are further arranged in the bus chamber, the first circuit breaker handcart contact box is used for connecting the power supply with the first circuit breaker, and the second circuit breaker handcart contact box is used for connecting the power supply with the second circuit breaker.

3. The indoor metal armored removable switch cabinet according to claim 1, wherein the cabinet body is divided into a secondary low-pressure chamber, a first handcart chamber, a second handcart chamber, a bus chamber, a first cable chamber and a second cable chamber by a metal partition plate, and every two adjacent chambers are separated by the metal partition plate.

4. An indoor metal armored removable switch cabinet according to claim 3, wherein an insulator is provided between the power supply and the metal partition in the busbar compartment.

5. The indoor metal armored removable switch cabinet of claim 1, wherein a first grounding switch is disposed in said first cable compartment, a second grounding switch is disposed in said second cable compartment, said first grounding switch is connected to said first high voltage cable, and said second grounding switch is connected to said second high voltage cable.

6. The indoor metal armored removable switch cabinet of claim 1, wherein the first high voltage cable and the first current transformer and the second high voltage cable and the second current transformer are connected by copper bus bars.

7. An indoor metal armored removable switch cabinet according to any one of claims 1 to 6, wherein a first cabinet door and a second cabinet door are arranged on the rear side of the cabinet body, a first electromagnetic lock is arranged on the first cabinet door, a second electromagnetic lock is arranged on the second cabinet door, the first cabinet door corresponds to the first handcart room, and the second cabinet door corresponds to the second handcart room.

8. The indoor metal armored removable switch cabinet according to claim 7, wherein the first cabinet door is provided with a first viewing window and the second cabinet door is provided with a second viewing window, the first viewing window being for viewing the first cable compartment and the second viewing window being for viewing the second cable compartment.

9. An indoor metal armored removable switch cabinet according to claim 7, wherein a first in-cabinet illumination lamp is disposed on said first cabinet door and a second in-cabinet illumination lamp is disposed on said second cabinet door.

10. An indoor metal armored removable switch cabinet according to any one of claims 1 to 6, wherein the front side of the cabinet body is provided with a first handcart viewing window and a second handcart viewing window, the first handcart viewing window is used for viewing the first handcart room, and the second handcart viewing window is used for viewing the second handcart room.

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