CN204927924U - 40kV cubical switchboard - Google Patents

Abstract

The utility model discloses a 40kV cubical switchboard, it has three -phase main bus -bar (5) to distribute in bus -bar room (2), main bus -bar (5) overcoat has sleeve pipe (6), sleeve pipe (6) are recoverable insulation support, last contact box (7) and lower contact box (8) that are equipped with respectively in bus -bar room (2) and cable chamber (3) set up to insulating contact box recoverable, be connected with insulator (9) on every main bus -bar (5), three insulator (9) are right angled triangle and arrange, three insulator (9) are connected with last contact box (7) through the spliced pole respectively, insulator (9) set up to recoverable insulator, be equipped with handcart (10) in handcart room (1), the handcart is 40kV's indoor high -pressure vacuum circuit breaker, be equipped with the solid utmost point post (11) that seals on the operating device upper portion of handcart (10), gu it sets up to recoverable insulating housing to seal the shell of utmost point post (11), the automobile body of handcart bottom is located the bottom of the cabinet body.

Description

A 40kV switchgear

technical field

The utility model relates to a 40kV switch cabinet.

Background technique

In the domestic electrical industry, the insulating parts in the 40kV switchgear are all made of epoxy resin materials. This material is not only used in a large amount, but also used 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. Row.

Contents of the invention

The utility model provides a 40kV switchgear, the insulating parts of which are made of thermoplastic insulating materials, which can be recycled and reused, greatly reducing the use cost and environmental pollution.

The utility model adopts the following technical solutions: a 40kV switch cabinet, 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. There are insulators connected to the top, and the three insulators are arranged in a right triangle. The three insulators are respectively connected to the upper contact box through the connecting column. The insulators are set as recyclable insulators. The current transformer is connected, and the current transformer is set as a cast-type current transformer. There are two openings on the partition between the handcart room and the busbar room, and the two openings are connected with the upper contact box and the lower contact box in the handcart room. Correspondingly, there is a handcart in the handcart room. The handcart is a 40kV 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, and the car body at the bottom of the handcart is located at the bottom of the cabinet.

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 Permanent plastic casting current transformer.

In this way, since the polyamide modified plastic shell is degradable and recyclable, 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, and improves work efficiency, and has good flame retardancy , The work efficiency of the polyamide modified plastics adopted in the utility model is 6-8 times of that of epoxy resin.

Description of drawings

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

Detailed ways

In Fig. 1, the utility model provides a kind of 40kV 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, and 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. Both the recyclable upper insulated contact box and the recyclable lower insulated contact box are set as polyamide modified plastic contact boxes, and insulators 9 are connected to each main bus bar 5, and the three insulators 9 are arranged in a right triangle. The three insulators 9 are respectively connected to the upper contact box 7 through connecting columns. The insulators 9 are set as recyclable insulators, and the recyclable insulators are set as polyamide modified plastic insulators. The lower contact box 8 is connected to the bottom of the cabinet. The current transformer 9 provided inside 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. There are two openings on the partition between them. The two openings correspond to the upper contact box 7 and the lower contact box 8 in the handcart room. There is a handcart 10 in the handcart room 1. The handcart is an indoor high voltage of 40kV. For a vacuum circuit breaker, a solid-sealed pole 11 is provided on the upper part of the operating mechanism of the handcart 10, and a contact arm 12 is provided on the side of the solid-sealed pole 11. One end of the contact arm 12 is connected to the outlet seat of the solid-sealed pole 11, and the other One end is provided with a contact 13, and 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 car body at the bottom of the handcart is located in the cabinet. The bottom of the body, the bottom of the cable chamber 3 is provided with a lightning arrester.

Claims (8)

1. a 40kV switch cubicle, it comprises cabinet, it is characterized in that in described cabinet, being distributed with handcart room (1), bus-bar room (2), cable vault (3) and relay control room (4), relay control room (4) is positioned at handcart room (1) top, bus-bar room (2) and cable vault (3) are positioned at the rear side of handcart room (1), cable vault (3) is positioned at the below of bus-bar room (2), three-phase main bus bar (5) is distributed with in bus-bar room (2), main bus bar (5) overcoat has sleeve pipe (6), sleeve pipe (6) is callable insulating sleeve, upper contact head box (7) and lower contact box (8) is respectively equipped with in bus-bar room (2) and cable vault (3), upper contact head box (7) is set to callable upper insulation contact box, lower contact box (8) is set to callable lower insulation contact box, each main bus bar (5) is connected with insulator (9), three insulators (9) at right angles rounded projections arranged, three insulators (9) are connected with upper contact head box (7) respectively by joint pin, described insulator (9) is set to callable insulator, lower contact box (8) is connected with the current transformer be provided with in bottom of cabinet bulk (9), current transformer (9) is set to pouring current transformer, dividing plate between handcart room (1) and bus-bar room (2) is provided with two openings, two openings are corresponding with upper contact head box (7) in handcart room and lower contact box (8), handcart (10) is provided with in handcart room (1), handcart is the indoor high-voltage vacuum circuit breaker of 40kV, pole (11) is provided with on the operating mechanism top of handcart (10), the side of pole (11) is provided with contact arm (12), one end of contact arm (12) is connected with the wire outlet seat of pole (11), the other end is provided with contact (13), the shell of described pole (11) is set to callable insulation shell, car body bottom handcart is positioned at the bottom of cabinet.

2. 40kV switch cubicle according to claim 1, is characterized in that described main bus bar (5) is square-section copper bar.

3. 40kV switch cubicle according to claim 1, is characterized in that the bottom of described cable vault (3) is provided with lightning arrester.

4. 40kV switch cubicle according to claim 1, is characterized in that described callable insulating sleeve is polyamide modified plastic bushing.

5. 40kV switch cubicle according to claim 1, is characterized in that described callable upper insulation contact box and callable lower insulation contact box are all set to polyamide modified plastics contact box.

6. 40kV switch cubicle according to claim 1, is characterized in that described callable insulator is set to polyamide modified insulator made from plastic.

7. 40kV switch cubicle according to claim 1, is characterized in that described callable insulation shell is set to polyamide modified plastic casing.

8. 40kV switch cubicle according to claim 1, is characterized in that described pouring current transformer is the shaping current transformer of polyamide modified plastic pouring.