CN218897009U

CN218897009U - Power distribution cabinet

Info

Publication number: CN218897009U
Application number: CN202222943147.7U
Authority: CN
Inventors: 柯俊杰; 姜和春
Original assignee: Anhui Pengyao Electric Co ltd
Current assignee: Anhui Pengyao Electric Co ltd
Priority date: 2022-11-06
Filing date: 2022-11-06
Publication date: 2023-04-21
Anticipated expiration: 2032-11-06

Abstract

The utility model discloses a power distribution cabinet which comprises a power distribution cabinet box body, wherein a plurality of high-voltage insulators are fixed in the power distribution cabinet box body through insulator installation seats, the high-voltage insulators are electrically connected with an upper contact box through copper bars, and a lower contact box is arranged below the upper contact box. The vacuum circuit breaker is detachably matched with the upper contact box and the lower contact box through the chassis truck moving device in the power distribution cabinet body, and the other end of the lower contact box is electrically connected with the current transformer through a copper bar. The beneficial effects of the utility model are as follows: through adopting motor drive module to drive chassis car transmission lead screw rotation, can drive chassis car along the transmission direction motion of chassis car transmission lead screw, make the vacuum circuit breaker and the contact box contact and the separation of installing on the chassis car, control switch board can effectively avoid artificial error operation, only need at the backstage direct operation of block terminal.

Description

Power distribution cabinet

Technical Field

The utility model relates to the technical field of power distribution cabinets, in particular to a power distribution cabinet.

Background

The high-voltage power distribution cabinet is used for power generation, power transmission, power distribution, electric energy conversion, power consumption and other functions of on-off, control or protection of an electric appliance with the voltage class of 3.6kV-550kV, and mainly comprises a high-voltage circuit breaker, a high-voltage isolating switch, a grounding switch, a high-voltage load switch, a high-voltage automatic superposition and sectionalizer, a high-voltage operating mechanism, a high-voltage explosion-proof power distribution device, a high-voltage switch cabinet and other large types. The high-voltage switch manufacturing industry is an important component part of the power transmission and transformation equipment manufacturing industry, and plays a very important role in the whole power industry.

At present, a vacuum circuit breaker installed in a high-voltage power distribution cabinet is mostly propelled by hand, so that the vacuum circuit breaker is contacted with and separated from a contact box. By adopting hand-operated propulsion, the error of manual operation is easy to occur; in addition, hand-operated propulsion requires workers to go to the site to operate one by one, which is time-consuming and labor-consuming.

Disclosure of Invention

The utility model aims to provide a power distribution cabinet, wherein a chassis trolley and a vacuum circuit breaker are pushed together by the arranged chassis trolley moving device to be detachably matched with an upper contact box and a lower contact box, so that the cabinet bodies of the power distribution cabinet are controlled, a plurality of cabinet bodies of the power distribution cabinet can be directly operated at the background of the power distribution cabinet, and the working efficiency is improved.

The technical scheme of the utility model is realized as follows:

the utility model provides a switch board, includes the switch board box, be fixed with a plurality of high-voltage insulators in the switch board box through the insulator mount pad, high-voltage insulators passes through the copper bar and is connected with last contact box electricity, the below of going up the contact box is equipped with down the contact box.

The vacuum circuit breaker is detachably matched with the upper contact box and the lower contact box through the chassis truck moving device in the power distribution cabinet body, and the other end of the lower contact box is electrically connected with the current transformer through a copper bar.

The bottom of the power distribution cabinet box body is embedded with a cable sealing sleeve, a cable connected with a zero sequence transformer is installed through the cable sealing sleeve, the zero sequence transformer is connected with a current transformer through a copper bar, and the other end of the cable is electrically connected with power supply equipment.

Further, the chassis car moving device comprises a chassis car, a plurality of mounting holes are formed in the surface of the chassis car, and the vacuum circuit breaker is locked on the chassis car through the mounting holes.

The motor drive module is installed to the bottom of chassis car, motor drive module's output is connected with chassis car transmission lead screw, chassis car transmission lead screw is kept away from motor drive module's one end and is run through chassis car side and the bearing frame normal running fit of switch board box inner wall installation.

Further, the vacuum circuit breaker further comprises a screw rod nut, and the chassis vehicle transmission screw rod is fixed at the bottom of the vacuum circuit breaker through the screw rod nut.

Further, a limit travel switch matched with the screw rod nut is arranged at the bottom of the chassis.

Furthermore, an overvoltage protector is also installed in the power distribution cabinet box body.

The beneficial effects of the utility model are as follows: install vacuum circuit breaker on chassis car mobile device, make vacuum circuit breaker and chassis car mobile device move together, realize vacuum circuit breaker's impel function to with the inside last contact box of switch board box and the detachable cooperation of lower contact box, control the switch board box, effectively avoid artificial error operation, and can directly operate many switch board boxes in the backstage of switch board room, improve work efficiency, avoid traditional hand formula impel to need the staff to go to the scene and operate one by one, waste time and energy.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an internal schematic view of a power distribution cabinet;

fig. 2 is a top view of the chassis moving device.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

According to an embodiment of the present utility model, there is provided a power distribution cabinet.

Referring to fig. 1-2, the power distribution cabinet according to the embodiment of the utility model comprises a power distribution cabinet box body 1, wherein a plurality of high-voltage insulators 2 are fixed in the power distribution cabinet box body 1 through insulator installation seats, the high-voltage insulators 2 are electrically connected with an upper contact box 4 through copper bars 3, and a lower contact box 5 is arranged below the upper contact box 4.

The vacuum circuit breaker 7 detachably matched with the upper contact box 4 and the lower contact box 5 is arranged in the power distribution cabinet body 1 through the chassis vehicle moving device 6, and the other end of the lower contact box 5 is electrically connected with the current transformer 8 through a copper bar.

The bottom of the power distribution cabinet box body 1 is embedded with a cable sealing sleeve 9, a cable connected with a zero sequence transformer 10 is installed through the cable sealing sleeve 9, the zero sequence transformer 10 is connected with a current transformer 8 through a copper bar, and the other end of the cable is electrically connected with power supply equipment.

Referring to fig. 1 and 2, in the present embodiment: install vacuum circuit breaker 7 on chassis car mobile device 6, make vacuum circuit breaker 7 and chassis car mobile device 6 move together, realize vacuum circuit breaker 7's impel function, and with the inside last contact box 4 of switch board box 1 and the separable cooperation of lower contact box 5, control switch board box 1, can effectively avoid artificial error operation, and can directly operate many switch board boxes 1 in the backstage of switch board room, improve work efficiency, avoid traditional hand formula impel to need the staff to go to the scene and operate one by one, it is time consuming and laborious.

Further, the chassis moving device 6 includes a chassis 61, a plurality of mounting holes 62 are formed on the surface of the chassis 61, and the vacuum circuit breaker 7 is locked on the chassis 61 through the mounting holes 62 by screws.

The motor drive module 63 is installed to the bottom of chassis car 61, the output of motor drive module 63 is connected with chassis car transmission lead screw 64, the one end that the motor drive module 63 was kept away from to chassis car transmission lead screw 64 runs through chassis car 61 side and the bearing frame normal running fit of switch board box 1 inner wall installation.

Further, the vacuum circuit breaker further comprises a screw nut 65, and the chassis driving screw 64 is fixed at the bottom of the vacuum circuit breaker 7 through the screw nut 65.

Referring to fig. 2, in the present embodiment: the vacuum circuit breaker 7 is locked and attached on the chassis 61 through the mounting hole 62 by bolts, and the vacuum circuit breaker 7 is fixed on the chassis 61 by bolts, so that the vacuum circuit breaker is convenient to detach and maintain.

One end of the chassis truck transmission screw rod 64, which is far away from the motor driving module 63, penetrates through the side surface of the chassis truck 61 and is in running fit with a bearing seat arranged on the inner wall of the power distribution cabinet body 1.

And the bottom of chassis car 61 and the lead screw nut 65 fixed connection on the chassis car transmission lead screw 64, when starting motor drive module 63, drive chassis car transmission lead screw 64 and rotate to drive lead screw nut 65 along chassis car transmission lead screw 64 removal, and drive vacuum circuit breaker 7 and chassis car mobile device 6 together move, realize vacuum circuit breaker 7's impel function, and with the inside upper contact box 4 of switch board box 1 and the separable cooperation of lower contact box 5.

Further, a limit travel switch 66 matched with the screw nut 65 is installed at the bottom of the chassis 61.

Referring to fig. 2, in the present embodiment: the limit travel switch 66 matched with the screw nut 65 is arranged at the bottom of the chassis truck 61, the moving distance of the chassis truck 61 and the vacuum circuit breaker 7 arranged at the top of the chassis truck is ensured through the limit travel switch 66, and the matching accuracy of the vacuum circuit breaker 7, the upper contact box 4 and the lower contact box 5 is ensured. The limit travel switch 66 is of the LL9Z-T235 series.

Further, an overvoltage protector 11 is also installed in the power distribution cabinet body 1. The protection device is mainly used for protecting the insulation of electrical equipment in the power distribution cabinet body 1 from overvoltage.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The power distribution cabinet is characterized by comprising a power distribution cabinet body (1), wherein a plurality of high-voltage insulators (2) are fixed in the power distribution cabinet body (1) through insulator installation seats, the high-voltage insulators (2) are electrically connected with an upper contact box (4) through copper bars (3), and a lower contact box (5) is arranged below the upper contact box (4);

a vacuum circuit breaker (7) which is detachably matched with the upper contact box (4) and the lower contact box (5) is arranged in the power distribution cabinet body (1) through a chassis truck moving device (6), and the other end of the lower contact box (5) is electrically connected with a current transformer (8) through a copper bar;

the bottom of switch board box (1) is inlayed and is equipped with cable seal cover (9) to install the cable that is connected with zero sequence transformer (10) through cable seal cover (9), zero sequence transformer (10) are connected with current transformer (8) through the copper bar, the other end and the power supply unit electricity of cable are connected.

2. The power distribution cabinet according to claim 1, wherein the chassis moving device (6) comprises a chassis (61), a plurality of mounting holes (62) are formed in the surface of the chassis (61), and the vacuum circuit breaker (7) is locked on the chassis (61) through the mounting holes (62) through screws;

the motor drive module (63) is installed to the bottom of chassis car (61), the output of motor drive module (63) is connected with chassis car transmission lead screw (64), the one end that motor drive module (63) was kept away from to chassis car transmission lead screw (64) runs through chassis car (61) side and the bearing frame normal running fit of switch board box (1) inner wall installation.

3. A power distribution cabinet according to claim 2, further comprising a screw nut (65), wherein the chassis drive screw (64) is fixed to the bottom of the vacuum circuit breaker (7) by means of the screw nut (65).

4. A power distribution cabinet according to claim 3, characterized in that the bottom of the chassis (61) is provided with a limit travel switch (66) cooperating with a screw nut (65).

5. A power distribution cabinet according to claim 1, characterized in that an overvoltage protector (11) is also mounted in the cabinet (1).