CN216121261U

CN216121261U - Low-voltage power supply and distribution transformer device

Info

Publication number: CN216121261U
Application number: CN202122302612.4U
Authority: CN
Inventors: 骆志刚; 刘广; 黄亮; 吴兆祥; 鲍飞国
Original assignee: Chuzhou Dongyuan Electric Power Engineering Co ltd Dingyuan Branch
Current assignee: Chuzhou Dongyuan Electric Power Engineering Co ltd Dingyuan Branch
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-03-22
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses a low-voltage power supply and distribution transformer device which comprises a transformer box, wherein the upper surface of the transformer box is fixedly connected with a rainproof top cover, the interior of the transformer box is fixedly connected with a hinge, one side of the hinge is fixedly connected with a door frame through a rotating shaft, the interior of the transformer box is fixedly connected with a molded case circuit breaker for grounding and insulation, and the interior of the transformer box is fixedly connected with a load switch. This low pressure supplies distribution transformer device, compare with current low pressure power distribution transformer device, through the combination setting of transformer case, the top cap, a pedestal, the door frame, the difficult problem that the unable operational environment of low pressure power distribution transformer device was prevent wind husky easily, the rainwater, ponding has been solved, this low pressure power distribution transformer device, compare with current low pressure power distribution transformer device, through moulded case circuit breaker, blend switch, load switch's combination setting, the difficult problem that the appearance of having solved the low pressure power distribution transformer device because of the unexpected circumstances can't in time cut off the power supply and lead to the accident to take place.

Description

Low-voltage power supply and distribution transformer device

Technical Field

The utility model relates to the technical field of factory power supply, in particular to a low-voltage power supply and distribution transformation device.

Background

The low-voltage power distribution system is composed of a power distribution substation (generally, the transmission voltage of a power grid is reduced to distribution voltage), a high-voltage distribution line, a distribution transformer, a low-voltage distribution line and corresponding control protection equipment, the traditional low-voltage power supply distribution substation device is low in heat dissipation efficiency, and meanwhile, the ground protection is insufficient, so that the low-voltage power supply distribution substation device is needed.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a low-voltage power supply, distribution and transformation device, which solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a low pressure supplies distribution transformer device, includes the transformer case, the last fixed surface of transformer case is connected with and is used for rain-proof top cap, the last fixed surface of top cap is connected with and is used for the isolator of cut-off power supply, the inside fixedly connected with hinge of transformer case, one side of hinge is through pivot fixedly connected with door frame, the inside fixedly connected with of transformer case is used for ground connection and insulating moulded case circuit breaker, the inside fixedly connected with load switch of transformer case.

Optionally, the upper surface of the isolating switch is fixedly connected with a connector for connecting high-voltage electricity, and one side of the transformer box is provided with a ventilation port.

Optionally, the outer surface of the door frame is fixedly connected with a moisture remover, and a fan is arranged inside the moisture remover.

Optionally, the lower surface of the power transformation box is fixedly connected with a base, and a signal lamp used for watching the over-current start is arranged inside the power transformation box.

Optionally, the inside fixedly connected with of transformer case is used for the low-voltage circuit breaker of hand switch, the inside fixedly connected with of transformer case is used for protecting the miniature circuit breaker of electrical apparatus.

Optionally, the inside fixedly connected with reactive compensation controller of transformer case, the inside fixedly connected with blend switch of transformer case.

(III) advantageous effects

The utility model provides a low-voltage power supply and distribution transformer device, which has the following beneficial effects:

1. this low pressure supplies distribution transformer device compares with current low pressure power supply distribution transformer device, sets up through the combination of transformer box, top cap, base, door frame, has solved the difficult problem that low pressure supplies distribution transformer device can't prevent wind husky, rainwater, ponding easily operational environment.

2. This low pressure supplies distribution transformer device compares with current low pressure supplies distribution transformer device, sets up through moulded case circuit breaker, blend switch, load switch's combination, has solved the difficult problem that low pressure supplies distribution transformer device can't in time cut off the power supply and lead to the accident to take place because of the appearance of the unexpected condition.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the external structure of the present invention;

fig. 3 is a schematic structural diagram of the compound switch of the present invention.

In the figure: 1. a power transformation box; 2. a top cover; 3. an isolating switch; 4. a connector; 5. a ventilation opening; 6. a hinge; 7. a door frame; 8. a moisture barrier; 9. a fan; 10. a base; 11. a signal lamp; 12. a low-voltage circuit breaker; 13. a miniature circuit breaker; 14. a molded case circuit breaker; 15. a reactive compensation controller; 16. a combination switch; 17. and (4) a load switch.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a low-voltage power supply and distribution transformer device comprises a transformer box 1, wherein the upper surface of the transformer box 1 is fixedly connected with a rainproof top cover 2, the upper surface of the top cover 2 is fixedly connected with an isolating switch 3 for cutting off a power supply, the upper surface of the isolating switch 3 is fixedly connected with a connector 4 for connecting high-voltage electricity, one side of the transformer box 1 is provided with a ventilation port 5, the inside of the transformer box 1 is fixedly connected with a hinge 6, one side of the hinge 6 is fixedly connected with a door frame 7 through a rotating shaft, the outer surface of the door frame 7 is fixedly connected with a moisture remover 8, the inside of the moisture remover 8 is provided with a fan 9, the lower surface of the transformer box 1 is fixedly connected with a base 10, the inside of the transformer box 1 is provided with a signal lamp 11 for watching over-current starting, the inside of the transformer box 1 is fixedly connected with a low-voltage circuit breaker 12 for a manual switch, and the inside of the transformer box 1 is fixedly connected with a miniature circuit breaker 13 for protecting an electric appliance, a molded case circuit breaker 14 for grounding and insulation is fixedly connected inside the transformer box 1, a reactive compensation controller 15 is fixedly connected inside the transformer box 1, a combination switch 16 is fixedly connected inside the transformer box 1, and a load switch 17 is fixedly connected inside the transformer box 1;

compared with the existing low-voltage power supply and distribution transformation device, the low-voltage power supply and distribution transformation device solves the problem that the low-voltage power supply and distribution transformation device cannot easily work in environments with wind, sand, rain and water prevention through the combined arrangement of the transformation box 1, the top cover 2, the base 10 and the door frame 7;

compared with the existing low-voltage power supply and distribution transformation device, the low-voltage power supply and distribution transformation device solves the problem that the low-voltage power supply and distribution transformation device cannot be powered off in time due to the accident condition through the combined arrangement of the molded case circuit breaker 14, the compound switch 16 and the load switch 17.

In the utility model, the working steps of the device are as follows:

the high-voltage electric wire is connected with the connector 4, the electric wire is connected with the low-voltage circuit breaker 12 and the miniature circuit breaker 13 through the isolating switch 3, the molded case circuit breaker 14 is continuously connected to ground the electric wire through gate opening over-current, then the composite switch 16 is connected, the load switch 17 is connected again to cut off load current, and then the reactive power compensator 15 is connected to complete operation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a low pressure supplies distribution transformer device, includes transformer box (1), its characterized in that: the utility model discloses a power distribution box, including transformer case (1), upper surface fixedly connected with of transformer case (1) is used for rain-proof top cap (2), the upper surface fixedly connected with of top cap (2) is used for isolator (3) of cut-off power supply, the inside fixedly connected with hinge (6) of transformer case (1), one side of hinge (6) is through pivot fixedly connected with door frame (7), the inside fixedly connected with of transformer case (1) is used for ground connection and insulating moulded case circuit breaker (14), the inside fixedly connected with load switch (17) of transformer case (1).

2. A low voltage power supply, distribution and transformation apparatus according to claim 1, wherein: the upper surface of the isolating switch (3) is fixedly connected with a connector (4) used for connecting high-voltage electricity, and one side of the transformer box (1) is provided with a ventilation opening (5).

3. A low voltage power supply, distribution and transformation apparatus according to claim 1, wherein: the outer fixed surface of door frame (7) connects and removes dampproofing ware (8), the inside of dampproofing ware (8) is provided with fan (9).

4. A low voltage power supply, distribution and transformation apparatus according to claim 1, wherein: the lower surface of the power transformation box (1) is fixedly connected with a base (10), and a signal lamp (11) used for watching over-current starting is arranged in the power transformation box (1).

5. A low voltage power supply, distribution and transformation apparatus according to claim 1, wherein: the internal fixed connection of transformer case (1) is used for low-voltage circuit breaker (12) of hand switch, the internal fixed connection of transformer case (1) is used for protecting miniature circuit breaker (13) of electrical apparatus.

6. A low voltage power supply, distribution and transformation apparatus according to claim 1, wherein: the internal fixed connection of transformer case (1) has reactive compensation controller (15), the internal fixed connection of transformer case (1) has combined switch (16).