CN210640520U

CN210640520U - AC high-voltage switch cabinet

Info

Publication number: CN210640520U
Application number: CN201921875597.9U
Authority: CN
Inventors: 王建忠; 陈强
Original assignee: SHANDONG JIEYUAN ELECTRIC CO Ltd
Current assignee: SHANDONG JIEYUAN ELECTRIC CO Ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-05-29
Anticipated expiration: 2029-11-01

Abstract

The utility model discloses an exchange high tension switchgear, exchange and be provided with the cabinet door on high tension switchgear's the cabinet body, the internal upper portion relay room, lower part relay room, upper portion circuit breaker room, lower part circuit breaker room and the rear portion generating line room that are independent of each other that is provided with of cabinet. The upper relay chamber is used for mounting and wiring electronic control instrument elements of the upper loop; and the lower relay chamber is used for mounting and wiring electronic control instrument elements of the lower loop. The power supply and distribution of two power utilization systems are provided by the cabinet body of a single high-voltage cabinet, so that the occupied area can be saved, and the normal operation of the alternating-current high-voltage switch cabinet is ensured.

Description

AC high-voltage switch cabinet

Technical Field

The utility model belongs to the technical field of the distribution power supply unit, concretely relates to exchange high tension switchgear.

Background

The AC high-voltage switch cabinet is suitable for industrial and mining enterprises such as power plants, transformer substations, petroleum, chemical engineering, metallurgy, textile and the like, and is used for power conversion, distribution and control of power distribution, high-voltage motor control and the like in power generation and power supply systems. The structure is advanced and reasonable, the electric scheme is practical, the seriousness is strong, the protection level is high, and the safety and the reliability are realized.

Generally, an ac high-voltage switch cabinet plays roles of switching, controlling or protecting in power generation, power transmission, power distribution, electric energy conversion and consumption of an electric power system. In practical applications, in order to realize the above functions of different power utilization systems, a plurality of ac high-voltage switch cabinets are often laid in the same distribution room to be respectively realized, the floor area is large, and sufficient space is required to be provided for distributing the high-voltage switch cabinets.

Disclosure of Invention

The utility model discloses the technical problem that will solve is: the utility model provides an exchange high tension switchgear, provide the distribution of supply and distribution of two power consumption systems by single high tension switchgear, can practice thrift area to guarantee exchange high tension switchgear's normal operating.

In order to solve the technical problem, the technical scheme of the utility model is that:

exchange high tension switchgear, exchange high tension switchgear includes the cabinet body, be provided with the cabinet door on the cabinet body, the internal upper portion relay room, lower part relay room, upper portion circuit breaker room, lower part circuit breaker room and the rear portion generating line room that are independent of each other that are provided with of cabinet.

Further, the upper relay chamber is used for mounting and wiring electronic control instrument elements of the upper loop; and the lower relay chamber is used for mounting and wiring electronic control instrument elements of the lower loop.

Furthermore, the upper loop consists of an upper vacuum circuit breaker, an upper current transformer and an upper grounding switch; the lower loop consists of a lower vacuum circuit breaker, a lower current transformer and a lower grounding switch.

Further, the upper vacuum circuit breaker is arranged at the front part of the cabinet body, the upper current transformer in the upper loop is arranged at the front part of the upper part inside the cabinet body, and the upper grounding switch in the upper loop is arranged at the rear part of the upper part inside the cabinet body.

Furthermore, the upper current transformer in the upper loop is fixedly installed inside the cabinet body through two upper current transformer installation beams, and the upper grounding switch in the upper loop is fixedly installed inside the cabinet body through two grounding switch installation beams.

Furthermore, the lower vacuum circuit breaker in the lower loop is located below the front portion of the interior of the cabinet body, the lower current transformer in the lower loop is hoisted below the rear bus chamber, and the lower grounding switch in the lower loop is located at the bottom of the interior of the cabinet body and is installed.

Furthermore, the lower current transformer in the lower loop is fixedly mounted below the rear bus chamber through two lower current transformer mounting beams, and the lower grounding switch in the lower loop is fixedly mounted at the bottom inside the cabinet body through two lower grounding switch mounting beams.

Furthermore, the upper loop is led in through the rear bus chamber, and the lower loop is led in through the rear bus chamber.

Furthermore, the upper circuit medium vacuum circuit breaker is arranged on the upper circuit breaker supporting plate, and the lower circuit medium vacuum circuit breaker is arranged on the lower circuit breaker supporting plate.

Furthermore, the outer surface of the top of the cabinet body is provided with a hanging ring.

After the technical scheme is adopted, the beneficial effects of the utility model are that:

a cabinet door is arranged on a cabinet body of the alternating-current high-voltage switch cabinet, and an upper relay chamber, a lower relay chamber, an upper circuit breaker chamber, a lower circuit breaker chamber and a rear bus chamber which are mutually independent are arranged in the cabinet body. The upper relay chamber is used for mounting and wiring electronic control instrument elements of the upper loop; and the lower relay chamber is used for mounting and wiring electronic control instrument elements of the lower loop. The power supply and distribution of two power utilization systems are provided by the cabinet body of a single high-voltage cabinet, so that the occupied area can be saved, and the normal operation of the alternating-current high-voltage switch cabinet is ensured.

Drawings

Fig. 1 is a perspective view of an ac high voltage switchgear of the present invention;

fig. 2 is a schematic structural diagram of the ac high-voltage switch cabinet of the present invention;

FIG. 3 is a right side view of FIG. 2;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

in the figure, 1-cabinet, 2-upper relay chamber, 3-upper circuit breaker chamber, 4-upper vacuum circuit breaker, 5-lower relay chamber, 6-lower circuit breaker chamber, 7-lower vacuum circuit breaker, 8-lower current transformer, 9-lower grounding switch, 10-lower grounding switch mounting beam, 11-upper grounding switch mounting beam, 12-upper grounding switch, 13-upper current transformer, 14-rear bus chamber, 15-flying ring, 16-cabinet door, 17-lower current transformer mounting beam, 18-upper current transformer mounting beam, 19-upper vacuum circuit breaker pallet, 20-lower vacuum circuit breaker pallet.

Detailed Description

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

Referring to fig. 1, 2, 3 and 4, an ac high voltage switch cabinet includes a cabinet body 1, and a cabinet door 16 is disposed on the cabinet body 1. The cabinet 1 is provided with an upper relay chamber 2, a lower relay chamber 5, an upper breaker chamber 3, a lower breaker chamber 6, and a rear bus bar chamber 14, which are independent of each other.

The upper relay chamber 2 is used for mounting and wiring electronic control instrument elements of an upper loop; the lower relay chamber 5 is used for mounting and wiring electronic control instrument elements of the lower circuit.

The upper loop is composed of components such as an upper vacuum circuit breaker 4, an upper current transformer 13, an upper grounding switch 12 and the like; the lower loop is composed of components such as a lower vacuum circuit breaker 7, a lower current transformer 8, a lower grounding switch 9 and the like.

The upper vacuum circuit breaker 4 is arranged at the front part of the cabinet body 1, the upper current transformer 13 in the upper loop is arranged at the front part of the inner part of the cabinet body 1, and the upper grounding switch 12 in the upper loop is arranged at the rear part of the inner part of the cabinet body 1. The outgoing cable (not shown in the figure) of the upper loop is fixed on an upper insulator (not shown in the figure) on the lower side of the upper grounding switch 12 at the rear part of the cabinet body 1; the upper insulator is mounted on an upper insulator mounting beam (not shown) at the rear of the cabinet 1.

The upper current transformer 13 in the upper circuit is fixedly mounted inside the cabinet 1 through two upper current transformer mounting beams 18, and the upper ground switch 12 in the upper circuit is fixedly mounted inside the cabinet 1 through two ground switch mounting beams 11.

The lower vacuum circuit breaker 7 in the lower loop is positioned below the front part of the inside of the cabinet body 1, the lower current transformer 8 in the lower loop is hoisted below the rear bus chamber 14, and the lower grounding switch 9 in the lower loop is positioned at the bottom of the inside of the cabinet body 1 for installation. The outgoing cable (not shown in the figure) of the lower loop is fixed on a lower insulator (not shown in the figure) at the rear part of the cabinet body 1; the lower insulator is mounted on a lower insulator mounting beam (not shown) at the rear of the cabinet 1.

The lower current transformer 8 in the lower circuit is fixedly mounted below the rear bus bar room 14 through two lower current transformer mounting beams 17, and the lower earthing switch 9 in the lower circuit is fixedly mounted at the bottom inside the cabinet 1 through two lower earthing switch mounting beams 10.

The upper loop is fed backward through the rear busbar compartment 14 and the lower loop is fed forward through the rear busbar compartment 14. The rear busbar compartment 14 for incoming lines supplies electricity for both an upper loop, which is fed back through the rear busbar compartment 14, and a lower loop, which is fed forward through the rear busbar compartment 14.

The upper in-circuit vacuum circuit breaker 4 is mounted on an upper breaker support plate 19 and the lower in-circuit vacuum circuit breaker 7 is mounted on a lower breaker support plate 20.

The surface at 1 top of the cabinet body is provided with rings 15, is convenient for the utility model discloses a hoist and mount and the transfer of exchanging high tension switchgear.

In the description of the present specification, it is to be understood that the orientations or positional relationships described by "inside", "top", "upper", "outer surface", "inner wall", "below", "bottom", "front", "vacuum breaker in upper circuit", "vacuum breaker in lower circuit", "upper breaker plate", "lower breaker plate", "upper ground switch", "lower ground switch", "upper ground switch mounting beam", "lower ground switch mounting beam", "upper circuit", "lower circuit", "upper current transformer", "lower current transformer", "upper current transformer mounting beam", "lower current transformer mounting beam", "upper circuit breaker chamber", "lower circuit breaker chamber", "rear bus chamber", "front", "rear", "upper relay chamber", "lower relay chamber", and the like are based on the orientations or positional relationships shown in the drawings, this is merely for convenience in describing the invention and to simplify the description, and is not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be considered limiting of the invention.

The present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes without creative work from the above conception, which falls within the protection scope of the present invention.

Claims

1. An alternating-current high-voltage switch cabinet, which comprises a cabinet body, wherein a cabinet door is arranged on the cabinet body, and is characterized in that,

the cabinet body is internally provided with an upper relay chamber, a lower relay chamber, an upper breaker chamber, a lower breaker chamber and a rear bus chamber which are independent of each other.

2. The AC high voltage switch cabinet according to claim 1, wherein said upper relay chamber is used for mounting and routing of electronic control instrument components of the upper circuit; and the lower relay chamber is used for mounting and wiring electronic control instrument elements of the lower loop.

3. The ac high voltage switchgear according to claim 2, wherein said upper circuit consists of an upper vacuum circuit breaker, an upper current transformer, an upper grounding switch; the lower loop consists of a lower vacuum circuit breaker, a lower current transformer and a lower grounding switch.

4. The AC high voltage switch cabinet according to claim 3, wherein said upper vacuum circuit breaker is disposed at the front of said cabinet, said upper current transformer in said upper circuit is mounted at the front of the upper portion of the interior of said cabinet, and said upper grounding switch in said upper circuit is mounted at the rear of the upper portion of the interior of said cabinet.

5. The AC high voltage switch cabinet according to claim 4, wherein the upper current transformer in said upper circuit is fixedly mounted inside said cabinet body by two upper current transformer mounting beams, and said upper grounding switch in said upper circuit is fixedly mounted inside said cabinet body by two grounding switch mounting beams.

6. The ac high voltage switch cabinet according to claim 3, wherein said lower vacuum circuit breaker in said lower circuit is located below the front of said cabinet interior, said lower current transformer in said lower circuit is hoisted below said rear bus bar compartment, and said lower grounding switch in said lower circuit is located at the bottom of said cabinet interior.

7. The AC high voltage switch cabinet according to claim 6, wherein said lower current transformer in said lower circuit is fixedly mounted below said rear busbar compartment by means of two lower current transformer mounting beams, and said lower grounding switch in said lower circuit is fixedly mounted at the bottom of the interior of said cabinet body by means of two lower grounding switch mounting beams.

8. The AC high voltage switch cabinet according to claim 3, wherein said upper circuit is fed backward through said rear busbar compartment and said lower circuit is fed forward through said rear busbar compartment.

9. The ac high voltage switch cabinet according to claim 2, wherein the upper in-circuit vacuum circuit breakers are mounted on an upper breaker support plate and the lower in-circuit vacuum circuit breakers are mounted on a lower breaker support plate.

10. The AC high-voltage switch cabinet as claimed in claim 1, wherein the outer surface of the top of the cabinet body is provided with a hanging ring.