CN205016905U - 24kV cubical switchboard - Google Patents

Abstract

The utility model discloses a 24kV switchgear. The three-phase main busbars (5) distributed in the busbar room (2) are covered with bushings (6). The bushings (6) are recyclable insulating bushings. (2) and the cable chamber (3) are respectively equipped with an upper contact box (7) and a lower contact box (8), the upper contact box (7) is set as a recyclable upper insulating contact box, and the lower contact box The box (8) is set as a recyclable lower insulating contact box, and the insulators (9) connected to each main busbar (5) are arranged in a triangle, and the three insulators (9) are connected to the upper contact box ( 7) Connection, the insulator (9) is set as a recyclable insulator, and a handcart (10) is provided in the handcart room (1). The handcart is a 12/24kV indoor high-voltage vacuum circuit breaker. The upper part of the operating mechanism of the vehicle (10) is provided with an embedded pole (11), and the shell of the embedded pole (11) is set as a recyclable insulating shell.

Description

A 24kV switchgear

technical field

The utility model relates to a 24kV switch cabinet.

Background technique

In the domestic electrical industry, the insulating parts in the current 24kV switch cabinets are all made of epoxy resin materials. This material is not only used in a large amount, but also in a huge amount. Combustion or deep burial degradation methods will cause serious pollution to the environment, cannot be recycled and reused, and do not meet the requirements of sustainable development. In addition, epoxy resin also has harmful gas volatilization, which is not conducive to health and energy saving. emission reduction.

Contents of the invention

The utility model provides a 24kV switchgear, the insulating parts of which are made of thermoplastic insulating materials, so that they can be recycled and reused, greatly reducing the use cost and environmental pollution.

The utility model adopts the following technical solutions: a 24kV switchgear, which includes a cabinet body, and the cabinet body is distributed with a handcart room, a bus room, a cable room and a relay instrument room, and the relay instrument room is located on the upper part of the handcart room. The busbar room and the cable room are located at the rear of the handcart room. The cable room is located below the busbar room. There are three-phase main busbars distributed in the busbar room. The main busbar is covered with sleeves, which are recyclable insulating sleeves. The upper contact box and the lower contact box are respectively arranged in the cable room, the upper contact box is set as a recyclable upper insulating contact box, and the lower contact box is set as a recyclable lower insulating contact box. The upper part is connected with insulators, and the three insulators are arranged in a triangle. The three insulators are respectively connected to the upper contact box through connecting columns. The insulators described are set as recyclable insulators. Connection, the current transformer is set as a cast-type current transformer, and there are two openings on the partition between the handcart room and the busbar room, and the two openings correspond to the upper contact box and the lower contact box in the handcart room. There is a handcart in the handcart room. The handcart is a 12/24kV indoor high-voltage vacuum circuit breaker. There is a solid-sealed pole on the upper part of the operating mechanism of the handcart. The side of the solid-sealed pole is provided with a contact arm. One end is connected to the outlet seat of the solid-sealed pole, and the other end is provided with a contact. The shell of the solid-sealed pole is set as a recyclable insulating shell.

The main bus bar is a copper bar with a rectangular cross section. The bottom of the cable room is provided with a lightning arrester. The recyclable insulating sleeve is a polyamide modified plastic sleeve. Both the recyclable upper insulating contact box and the recyclable lower insulating contact box are set as polyamide modified plastic contact boxes. The recyclable insulator is set to be a polyamide modified plastic insulator. The recyclable insulating shell is set as a polyamide modified plastic shell. The casting type current transformer is a current transformer molded by polyamide modified plastic.

The utility model has the following beneficial effects: after adopting the above technical scheme, the recyclable insulating sleeve of the utility model is a polyamide modified plastic sleeve, the recyclable upper insulating contact box and the recyclable lower insulating contact box They are all set as polyamide modified plastic contact boxes, recyclable insulators are set as polyamide modified plastic insulators, recyclable insulating shells are set as polyamide modified plastic shells, and castable current transformers are polyamide modified The current transformer is made of permanent plastic casting, so that the polyamide modified plastic shell can be degraded and recycled, and the recovery rate can reach more than 98.5%, which not only saves costs, but also reduces environmental pollution, which is conducive to energy saving and emission reduction. The work efficiency is improved and the flame retardancy is good. The work efficiency of the polyamide modified plastic adopted in the utility model is 6-8 times that of the epoxy resin.

Description of drawings

Fig. 1 is the structural representation of the utility model.

detailed description

In Fig. 1, the utility model provides a kind of 24KV switchgear, and it comprises a cabinet body, and the handcart room 1, the bus bar room 2, the cable room 3 and the relay instrument room 4 are distributed in the described cabinet, and the relay instrument room 4 Located on the upper part of the handcart room 1, the busbar room 2 and the cable room 3 are located on the rear side of the handcart room 1, the cable room 3 is located below the busbar room 2, and the three-phase main busbar 5 is distributed in the busbar room 2, the main busbar 5 It is a copper bar with a rectangular cross-section. The main busbar 5 is covered with a sleeve 6. The sleeve 6 is a recyclable insulating sleeve. The recyclable insulating sleeve is a polyamide modified plastic sleeve. An upper contact box 7 and a lower contact box 8 are respectively provided, the upper contact box 7 is set as a recyclable upper insulating contact box, and the lower contact box 8 is set as a recyclable lower insulating contact box, and the recyclable Both the upper insulating contact box and the recyclable lower insulating contact box are set as polyamide modified plastic contact boxes, and insulators 9 are connected to each main busbar 5, and the recyclable insulators are set as polyamide modified plastic insulators , the three insulators 9 are triangular in shape, and the three insulators 9 are respectively connected to the upper contact box 7 through connecting columns. The insulators 9 are set as recyclable insulators. The transformer 9 is connected, and the current transformer 9 is set as a cast-type current transformer. The cast-type current transformer is a current transformer molded by polyamide modified plastic, on the partition between the handcart room 1 and the busbar room 2 There are two openings, the two openings correspond to the upper contact box 7 and the lower contact box 8 in the handcart room, and a handcart 10 is provided in the handcart room 1, and the handcart 10 is an indoor high-voltage vacuum circuit breaker of 12/24kV On the upper part of the operating mechanism of the handcart 10, a solid-sealed pole 11 is provided, and the side of the solid-sealed pole 11 is provided with a contact arm 12. One end of the contact arm 12 is connected to the outlet seat of the solid-sealed pole 11, and the other end is provided. There are contacts 13, the shell of the solid-sealed pole 11 is set as a recyclable insulating shell, and the recyclable insulating shell is set as a polyamide modified plastic shell, and the bottom of the cable chamber 3 is provided with lightning arrester.

Claims (8)

1. A 24kV switch cabinet, which includes a cabinet body, characterized in that the cabinet is distributed with a handcart room (1), a bus room (2), a cable room (3) and a relay instrument room (4), relay The instrument room (4) is located on the upper part of the handcart room (1), the busbar room (2) and the cable room (3) are located on the rear side of the handcart room (1), and the cable room (3) is located under the busbar room (2). There are three-phase main busbars (5) distributed in the busbar room (2), and the main busbar (5) is covered with a bushing (6). The bushing (6) is a recyclable insulating bushing. In the busbar room (2) and the cable room (3) There are an upper contact box (7) and a lower contact box (8) respectively, the upper contact box (7) is set as a recyclable upper insulating contact box, and the lower contact box (8) is set as The recyclable lower insulating contact box is connected with insulators (9) on each main busbar (5), and the three insulators (9) are arranged in a triangle, and the three insulators (9) are respectively connected to the upper contact box through the connecting column (7) connection, the insulator (9) is set as a recyclable insulator, the lower contact box (8) is connected with the current transformer (9) provided in the cable chamber (3), and the current transformer (9) Set as a casting type current transformer, there are two openings on the partition between the handcart room (1) and the busbar room (2), the two openings are connected with the upper contact box (7) and the lower contact box in the handcart room (8) Correspondingly, there is a handcart (10) in the handcart room (1). The handcart is a 12/24kV indoor high-voltage vacuum circuit breaker, and a solid seal is installed on the upper part of the operating mechanism of the handcart (10). The pole (11), the side of the solid-sealed pole (11) is provided with a contact arm (12), one end of the contact arm (12) is connected to the outlet seat of the solid-sealed pole (11), and the other end is provided with a contact ( 13), the shell of the solid-sealed pole (11) is set as a recyclable insulating shell. 2. The 24kV switchgear according to claim 1, characterized in that the main busbar (5) is a copper bar with a rectangular cross section. 3. The 24kV switchgear according to claim 1, characterized in that the bottom of the cable room (3) is provided with a lightning arrester. 4. The 24kV switchgear according to claim 1, characterized in that the recyclable insulating bushing is a polyamide modified plastic bushing. 5. The 24kV switchgear according to claim 1, characterized in that the recyclable upper insulating contact box and the recyclable lower insulating contact box are all set as polyamide modified plastic contact boxes. 6. The 24kV switchgear according to claim 1, characterized in that said recyclable insulators are polyamide modified plastic insulators. 7. The 24kV switch cabinet according to claim 1, characterized in that the recyclable insulating shell is set as a polyamide modified plastic shell. 8. The 24kV switchgear according to claim 1, characterized in that said castable current transformer is a current transformer molded by polyamide modified plastic.