CN212625140U

CN212625140U - Combined transformer for wind power generation

Info

Publication number: CN212625140U
Application number: CN202021961860.9U
Authority: CN
Inventors: 周炜田; 曾永丽
Original assignee: Yingjie Electrical Co ltd
Current assignee: Yingjie Electrical Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-02-26
Anticipated expiration: 2030-09-09

Abstract

The utility model discloses a combined transformer for wind power generation in the technical field of combined transformers, which comprises an outer box, wherein a box door is arranged on the outer box, a plurality of radiators are arranged on the outer box, a transformer oil tank is arranged at the inner top part of the outer box, a low-pressure chamber and a high-pressure chamber are arranged at the bottom part of the transformer oil tank, three transformers are arranged in the transformer oil tank, the high-pressure sides of the three transformers are electrically connected with a high-pressure load switch and a tap switch, a plurality of high-pressure sleeves are arranged in the high-pressure chamber, a plurality of fuses are arranged on the high-pressure sleeves, an insulator is arranged at one side of each fuse, the other side of each fuse is connected with an overvoltage protector through a lead, a plurality of low-pressure sleeves are arranged in the low-pressure chamber, a low-pressure cabinet, the fuse is convenient to replace, maintenance time and resources are saved, and heat dissipation performance and service life are improved.

Description

Combined transformer for wind power generation

Technical Field

The utility model relates to a combination formula transformer technical field specifically is a combination formula transformer for wind power generation.

Background

Wind power generation is increasingly gaining attention from all countries of the world as a clean renewable energy source. The combined transformer has the advantages of short production period, simple and convenient structure, less one-time investment and the like, and is widely applied.

Combined transformer for wind power generation among the conventional art is with higher costs, and is bulky, and the assembly is complicated, and some fuses set up inside transformer tank, when the fuse damages the change, transformer oil will be discharged, inconvenient change, the extravagant resource, increase the labour, and inside components and parts during operation can produce the heat moreover, and the radiating effect is not good, damages components and parts easily, and some combined transformer for wind power generation do not have elevating gear, can spill into in the device when there is ponding on ground, cause the loss.

Based on this, the utility model designs a combined transformer for wind power generation to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a combined transformer for wind power generation, it is higher with combined transformer cost to solve the wind power generation that proposes in the above-mentioned background art, and the volume is great, the assembly is complicated, some fuses set up inside transformer tank, when the fuse damages the change, transformer oil will be discharged, inconvenient change, and resources are wasted, increase the labour, and inside components and parts during operation can produce the heat, the radiating effect is not good, damage components and parts easily, some combined transformer for wind power generation do not have elevating gear, can spill into in the device when there is ponding on ground, cause the loss problem.

In order to achieve the above object, the utility model provides a following technical scheme: a combined transformer for wind power generation comprises an outer box, wherein a box door is arranged on the outer box, a plurality of sheet radiators are arranged on two sides and the back surface of the outer box, a transformer oil tank is arranged at the inner top of the outer box, a low-pressure chamber is arranged at the bottom of the transformer oil tank, a high-pressure chamber is arranged on one side of the low-pressure chamber through a baffle, three transformers are arranged in the transformer oil tank, high-voltage sides of the three transformers are electrically connected with a high-voltage load switch and a tap switch, a plurality of high-voltage sleeves are arranged in the high-voltage chamber, fuses are arranged on the high-voltage sleeves, an insulator is arranged on one side of each fuse, the other side of each fuse is connected with an overvoltage protector through a lead, a plurality of low-voltage sleeves are arranged in the low-voltage chamber, a low-voltage cabinet is, through the integrated design, the occupied volume is reduced, the replacement of a fuse is facilitated, the procedures are reduced, the maintenance time and resources are saved, the heat dissipation performance is improved, and the service life of the device is prolonged.

As a further scheme of the utility model, the bottom of outer container is provided with the basement, the basement bottom is provided with hydraulic pressure lift base, the top of outer container is provided with the arrester, be provided with the vent on the outer container, the convenience device goes up and down, prevents that ground catchment from bringing the damage for components and parts in the device of wandering into, improves the security of device.

As a further scheme of the utility model, be provided with heat preservation, insulating layer, flame retardant coating and waterproof layer on the outer container, all be provided with the fan in hyperbaric chamber and the low-pressure chamber, be provided with the through-hole on the baffle, further improve device's heat dissipation function.

As a further scheme of the utility model, be provided with level gauge and temperature sensor in the transformer tank, be provided with circuit breaker, surge protector and secondary circuit on the low-voltage cabinet.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an integrated design has practiced thrift the space, sets up the fuse in the hyperbaric chamber, and the maintenance has conveniently been changed, has practiced thrift resource and maintenance time, through setting up fan and heat preservation, insulating layer, flame retardant coating and waterproof layer, has improved the heat dissipation function of device, has improved the security and the life of device, and through setting up hydraulic pressure lift base, the convenience device goes up and down, prevents that ground catchment from overflowing and bringing the damage for components and parts in the device.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a front view of the present invention;

FIG. 2 is a left side sectional view of the present invention;

fig. 3 is a top cross-sectional view of the present invention;

fig. 4 is an enlarged view of the position a of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. an outer box; 2. a box door; 3. a finned heat sink; 4. a transformer tank; 5. a low pressure chamber; 6. a baffle plate; 7. a high pressure chamber; 8. a three-phase transformer; 9. a high voltage load switch; 10. a tap changer; 11. a high voltage bushing; 12. a fuse; 13. an insulator; 14. an overvoltage protector; 15. a low-pressure bushing; 16. a low-voltage cabinet; 17. a substrate; 18. a hydraulic lifting base; 19. a lightning arrester; 20. a vent; 21. a heat-insulating layer; 22. a thermal insulation layer; 23. a fire barrier layer; 24. a waterproof layer; 25. a fan; 26. a through hole; 27. a liquid level meter; 28. a temperature sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a combined transformer for wind power generation comprises an outer box 1, wherein a box door 2 is arranged on the outer box 1, a plurality of sheet type radiators 3 are arranged on both sides and the back surface of the outer box 1, a transformer oil tank 4 is arranged on the inner top of the outer box 1, a low-pressure chamber 5 is arranged at the bottom of the transformer oil tank 4, a high-pressure chamber 7 is arranged on one side of the low-pressure chamber 5 through a baffle 6, three transformers 8 are arranged in the transformer oil tank 4, high-voltage side of the three transformers 8 are electrically connected with a high-voltage load switch 9 and a tap switch 10, a plurality of high-voltage sleeves 11 are arranged in the high-pressure chamber 7, a fuse 12 is arranged on the plurality of high-voltage sleeves 11, an insulator 13 is arranged on one side of the fuse 12, the other side of the fuse 12 is connected with an overvoltage protector 14 through a, the low-voltage bushing 15 is provided with the low-voltage cabinet 16, the low-voltage bushing 15 is arranged on one side of the low voltage of the three transformers 8, and through the integrated design, the occupied size is reduced, the fuse 12 is convenient to replace, the working procedures are reduced, the maintenance time and resources are saved, the heat dissipation performance is improved, and the service life of the device is prolonged.

The bottom of outer container 1 is provided with basement 17, basement 17 bottom is provided with hydraulic lifting base 18, the top of outer container 1 is provided with arrester 19, be provided with vent 20 on the outer container 1, make things convenient for the device to go up and down, prevent that ground catchment from overflowing and bringing the damage for components and parts in the device, improve the security of device.

The outer box 1 is provided with a heat insulation layer 21, a heat insulation layer 22, a fireproof layer 23 and a waterproof layer 24, fans 25 are arranged in the high-pressure chamber 7 and the low-pressure chamber 5, and the baffle 6 is provided with a through hole 26.

A liquid level meter 27 and a temperature sensor 28 are arranged in the transformer oil tank 4, and a circuit breaker, a surge protector and a secondary circuit are arranged on the low-voltage cabinet 16.

The working principle is as follows: when the combined transformer for wind power generation works, firstly, a worker moves the combined transformer to a working place, oil is filled in the transformer oil tank 4, when the three transformers 8 work and overload, the fuse 12 is disconnected, the high-voltage load switch 9 and the overvoltage protector 14 work to protect the transformer, when the temperature is too high, the fan 25 is turned on to cool, the lightning arrester 19 prevents lightning stroke, disasters such as fire disasters are prevented, and the safety is improved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A combined transformer for wind power generation is characterized in that: the transformer oil tank comprises an outer tank (1), wherein a tank door (2) is arranged on the outer tank (1), a plurality of sheet radiators (3) are arranged on both sides and the back of the outer tank (1), a transformer oil tank (4) is arranged at the inner top of the outer tank (1), a low-pressure chamber (5) is arranged at the bottom of the transformer oil tank (4), a high-pressure chamber (7) is arranged on one side of the low-pressure chamber (5) through a baffle (6), three transformers (8) are arranged in the transformer oil tank (4), high-pressure sides of the three transformers (8) are electrically connected with a high-pressure load switch (9) and a tap switch (10), a plurality of high-pressure sleeves (11) are arranged in the high-pressure chamber (7), fuses (12) are arranged on the high-pressure sleeves (11), insulators (13) are arranged on one sides of the fuses (12), and the other sides of the fuses (12) are, the transformer is characterized in that a plurality of low-voltage sleeves (15) are arranged in the low-voltage chamber (5), a low-voltage cabinet (16) is arranged on each low-voltage sleeve (15), and each low-voltage sleeve (15) is arranged on one low-voltage side of each three-phase transformer (8).

2. The combined transformer for wind power generation according to claim 1, wherein: the bottom of outer container (1) is provided with basement (17), basement (17) bottom is provided with hydraulic lifting base (18), the top of outer container (1) is provided with arrester (19), be provided with vent (20) on outer container (1).

3. The combined transformer for wind power generation according to claim 1, wherein: the outer box (1) is provided with a heat insulation layer (21), a heat insulation layer (22), a fireproof layer (23) and a waterproof layer (24), fans (25) are arranged in the high-pressure chamber (7) and the low-pressure chamber (5), and through holes (26) are formed in the baffle plate (6).

4. The combined transformer for wind power generation according to claim 1, wherein: a liquid level meter (27) and a temperature sensor (28) are arranged in the transformer oil tank (4), and a circuit breaker, a surge protector and a secondary circuit are arranged on the low-voltage cabinet (16).