CN105098639A - 40kV switch cabinet - Google Patents

Abstract

The invention discloses a 40kV switch cabinet. A main three-phase bus (5) is distributed in a bus chamber (2); a sleeve (6) sleeves the main bus (5); the sleeve (6) is an insulating sleeve, which can be recycled; an upper contact box (7) and a lower contact box (8) respectively arranged in the bus chamber (2) and a cable chamber (3) are set as upper insulating contact boxes, which can be recycled; an insulator (9) is connected onto each main bus (5); three insulators (9) are arranged to form a right triangle; the three insulators (9) are connected with the upper contact box (7) through connection columns respectively; the three insulators (9) are set as insulators, which can be recycled; a handcart (10) is arranged in a handcart chamber (1); the handcart is a 40kV indoor high-voltage vacuum circuit breaker; a solid insulation pole rod (11) is arranged at the upper part of an operation mechanism of the handcart (10); the shell of the solid insulation pole rod (11) is set as an insulting shell, which can be recycled; and the handcart body at the bottom of the handcart is positioned at the bottom of the cabinet.

Description

A 40kV switchgear

technical field

The invention 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 invention 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 present invention adopts the following technical solutions: a 40kV switchgear cabinet, which includes a cabinet body, in which a handcart room, a busbar room, a cable room and a relay instrumentation room are distributed, the relay instrumentation room is located at the upper part of the handcart room, and the busbar The room and the cable room are located at the back of the handcart room. The cable room is located under the busbar room. There are three-phase main busbars distributed in the busbar room. The main busbars are covered with sleeves, which are recyclable insulating sleeves. The upper contact box and the lower contact box are respectively installed in the 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, on each main bus There are insulators connected, 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 described are set as recyclable insulators. The transformer is connected, and the current transformer is set as a casting type current transformer. There are two openings on the partition between the handcart room and the busbar room. 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 40kV indoor high-voltage vacuum circuit breaker, the upper part of the operating mechanism of the handcart is equipped with a solid-sealed pole, and 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 present invention has the following beneficial effects: after adopting the above technical scheme, the recyclable insulating sleeve of the present invention is a polyamide modified plastic sleeve, and both the recyclable upper insulating contact box and the recyclable lower insulating contact box are provided It is a polyamide modified plastic contact box, the recyclable insulator is set to be a polyamide modified plastic insulator, the recyclable insulating shell is set to be a polyamide modified plastic shell, and the cast current transformer is a polyamide modified plastic Casting molded current transformers.

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 used in the present invention is 6-8 times that of epoxy resin.

Description of drawings

Fig. 1 is a structural schematic diagram of the present invention.

Detailed ways

In Fig. 1, the present invention provides a kind of 40kV switchgear, and it comprises cabinet body, and the handcart room 1, bus bar room 2, cable room 3 and relay meter room 4 are distributed in described cabinet, and relay meter room 4 is located in The upper part of the handcart room 1, the busbar room 2 and the cable room 3 are located at 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 is Rectangular cross-section copper bar, the main busbar 5 is covered with a bushing 6, the bushing 6 is a recyclable insulating bushing, the recyclable insulating bushing is a polyamide modified plastic bushing, in the busbar room 2 and the cable room 3 respectively An upper contact box 7 and a lower contact box 8 are 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. Both the recovered 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 bus bar 5, and three insulators 9 are arranged in a right triangle, three The two 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 provided current transformer 9 is connected, and the current transformer 9 is set as a casting type current transformer. The casting type current transformer is a current transformer molded by polyamide modified plastic, between the handcart room 1 and the bus room 2 There are two openings on the partition plate, which 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 a 40kV indoor high-pressure vacuum For the circuit breaker, an embedded 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 embedded pole 11. One end of the contact arm 12 is connected to the outlet seat of the embedded pole 11, and the other end is Contacts 13 are provided, 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 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.