CN214753217U

CN214753217U - Low-loss epoxy resin casting dry-type transformer

Info

Publication number: CN214753217U
Application number: CN202120305105.3U
Authority: CN
Inventors: 刘树英
Original assignee: WUHU JINYING TRANSFORMER CO LTD
Current assignee: WUHU JINYING TRANSFORMER CO LTD
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-11-16
Anticipated expiration: 2031-02-03

Abstract

The utility model discloses a low-loss epoxy resin pouring dry-type transformer, including device body, lifting pedestal, transformer body and temperature control device, the fixed pulley that is provided with in bottom surface of device body, and the inside of installing the body runs through and is provided with rotatory guide arm, the bottom surface left and right sides of lifting pedestal all runs through the gag lever post of fixed setting and sets up in the inside of device body, and the upper surface of lifting pedestal front and back both sides all fixed be provided with the fan, the front of the transformer body of the top surface both sides of support base is through the connection cluster pole interconnect of fixed setting, and the top surface of transformer body is fixed and is provided with spacing apron. According to the low-loss epoxy resin cast dry-type transformer, the lifting base drives the transformer body and the fan to ascend and descend, meanwhile, the fan can be automatically started and stopped, functions of alarming, tripping and the like are arranged, and the product is reliable in operation.

Description

Low-loss epoxy resin casting dry-type transformer

Technical Field

The utility model relates to a dry-type transformer technical field specifically is a low-loss epoxy resin pouring dry-type transformer.

Background

The low-loss epoxy resin cast dry-type transformer is a novel transformer, the no-load loss is reduced by 30 percent compared with an SCB11 type product, the electric energy cost is saved to a great extent, and the SCB13-3150/6.3 epoxy cast dry-type transformer produced by using a novel 27QG100 silicon steel sheet with better loss can greatly reduce the no-load loss and the no-load current.

However, in the use process of most of the existing dry-type transformers, the share of the distribution transformer in the whole power grid operation is large, about 40%, how to greatly reduce the no-load loss and the no-load current plays a positive role in saving energy and reducing consumption in China and reducing CO2 emission, and in the use process of the transformer, a large amount of heat energy cannot be timely removed to cause that the internal temperature of the transformer is not high for a long time, high-temperature damage is caused to the internal parts of the transformer, and the transformer is tripped, shut down or even damaged more seriously.

We propose a low loss epoxy cast dry transformer to solve the problems set forth above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low-loss epoxy resin pouring dry-type transformer, in solving present the most dry-type transformer in the existing market that the above-mentioned background art provided and having the use, distribution transformer shared share is very big in whole electric wire netting operation, about 40% approximately, how to reduce by a wide margin no-load loss and no-load current to china's energy saving and consumption reduction, it has played the positive effect to reduce CO2 and discharge, and at the in-process that the transformer used, a large amount of heat energy can't in time get rid of and cause the inside temperature of transformer not high down for a specified time, cause high temperature damage to the inside spare part of transformer, lead to the transformer to have the tripping operation to shut down, the problem of more serious damage even.

In order to achieve the above object, the utility model provides a following technical scheme: a low-loss epoxy resin pouring dry-type transformer comprises a device body, a lifting base, a transformer body and a temperature control device, wherein pulleys are fixedly arranged on the bottom surface of the device body, a rotating guide rod penetrates through the inside of the device body, the left end of the rotating guide rod outside the device body is fixedly connected to the end part of an output shaft of a motor, lifting sleeves penetrate through the left side and the right side of the top surface of the device body, the bottom end of each lifting sleeve inside the device body is connected to the outer walls of the left side and the right side of the rotating guide rod through conical gears in a meshed mode, the inside of each lifting sleeve penetrates through the bottom end of a lifting threaded rod, the top end of each lifting threaded rod is fixedly connected to the left side and the right side of the bottom surface of the lifting base, the left side and the right side of the bottom surface of the lifting base are respectively penetrated through the inside of the device body through fixedly arranged limiting rods, and fans are fixedly arranged on the front side and the back side of the upper surface of the lifting base, and the middle part fixed connection of lift base in the bottom surface of supporting the base, the fixed transformer body that is provided with of top surface of supporting the base in addition, the transformer body passes through the wire to be connected in the left end of fan simultaneously, the front of the transformer body of the top surface both sides of supporting the base is through the fixed connection boom interconnect who sets up, and the top surface of transformer body is fixed and is provided with spacing apron to the fixed temperature control device that is provided with in top surface left side of spacing apron, the top surface left and right sides of spacing apron is all fixed and is provided with rings moreover.

Preferably, the rotary guide rod and the device body are arranged in a horizontal and coaxial distribution mode, and the lifting sleeves in the device body are symmetrically arranged on the vertical central axis of the device body.

Preferably, the lifting sleeve and the rotating guide rod are mutually attached and arranged in a rotating mode, the lifting sleeve and the lifting threaded rod are arranged in a vertical coaxial distribution mode, and the lifting sleeve and the lifting threaded rod are arranged in a threaded connection structure.

Preferably, the transverse central axis of the lifting base and the transverse central axis of the device body are arranged in parallel, the maximum moving length of the lifting base is smaller than the length of the limiting rod, and the limiting rod is arranged in a T-shaped structure.

Preferably, the transformer body and the fans are respectively and uniformly arranged on the top surface of the lifting base and the top surface of the supporting base at equal intervals, and the fans are symmetrically distributed and arranged around the vertical central axis of the transformer body.

Preferably, the transformer body and the fan are arranged in a one-to-one correspondence mode, and the vertical central axis of the transformer body is perpendicular to the horizontal central axis of the limiting cover plate.

Compared with the prior art, the beneficial effects of the utility model are that: according to the low-loss epoxy resin cast dry-type transformer, the transformer body is driven by the lifting base, the fan can be automatically started and stopped while ascending and descending, and the functions of alarming, tripping and the like are set, so that the product is reliable in operation;

1. the coil is poured and cured into a whole by resin, the product has strong short-circuit resistance, the resin material has the advantages of flame retardancy, dust resistance, moisture resistance, high mechanical strength and the like, and is suitable for running in a severe environment;

2. the temperature control device is provided with a perfect temperature detection and protection system, adopts an intelligent signal processing system, can automatically detect and cyclically display the respective working temperature of the three-phase winding, can automatically start and stop the fan, has the functions of alarming, tripping and the like, and is reliable in product operation.

Drawings

FIG. 1 is a schematic view of the front cross-section structure of the present invention;

FIG. 2 is a schematic view of the installation structure of the limiting rod of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 4 is a schematic view of the side structure of the lifting base of the present invention.

In the figure: 1. a device body; 2. a pulley; 3. rotating the guide rod; 4. a motor; 5. a lifting sleeve; 6. lifting a threaded rod; 7. a lifting base; 8. a limiting rod; 9. a support base; 10. a transformer body; 11. a wire; 12. connecting the string rods; 13. a limiting cover plate; 14. a temperature control device; 15. a hoisting ring; 16. a fan.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a low-loss epoxy resin pouring dry-type transformer comprises a device body 1, a lifting base 7, a transformer body 10 and a temperature control device 14, wherein pulleys 2 are fixedly arranged on the bottom surface of the device body 1, a rotary guide rod 3 is arranged in the device body 1 in a penetrating manner, the left end of the rotary guide rod 3 outside the device body 1 is fixedly connected to the end part of an output shaft of a motor 4, lifting sleeves 5 are arranged on the left side and the right side of the top surface of the device body 1 in a penetrating manner, the bottom ends of the lifting sleeves 5 in the device body 1 are connected to the outer walls on the left side and the right side of the rotary guide rod 3 through conical gears in a meshing manner, the interior of each lifting sleeve 5 is connected to the bottom end of a lifting threaded rod 6 in a penetrating manner, the top ends of the lifting threaded rods 6 are fixedly connected to the left side and the right side of the bottom surface of the lifting base 7, the left side and the right side of the bottom surface of the lifting base 7 are arranged in the device body 1 through limiting rods 8 which are fixedly arranged, and the front and back both sides of the upper surface of lifting pedestal 7 are all fixedly provided with fan 16, and lifting pedestal 7's middle part fixed connection is in the bottom surface of supporting base 9, and the fixed transformer body 10 that is provided with of top surface of supporting base 9, transformer body 10 passes through wire 11 and connects in the left end of fan 16 simultaneously, the front of the transformer body 10 of the top surface both sides of supporting base 9 is through the fixed connection boom 12 interconnect who sets up, and the fixed spacing apron 13 that is provided with of top surface of transformer body 10, and the fixed temperature control device 14 that is provided with in top surface left side of spacing apron 13, and the top surface left and right sides of spacing apron 13 is all fixedly provided with rings 15.

For horizontal coaxial distribution setting between rotatory guide arm 3 and the device body 1, and the inside lifting sleeve 5 of device body 1 sets up about the vertical center axis symmetric distribution of device body 1 for lifting sleeve 5 can be driven by rotatory guide arm 3 and rotate.

For the rotation setting of laminating each other between lifting sleeve 5 and the rotating guide 3, and be vertical coaxial distribution setting between lifting sleeve 5 and the lifting threaded rod 6 to be the threaded connection structure setting between lifting sleeve 5 and the lifting threaded rod 6, make lifting sleeve 5's rotation can drive lifting threaded rod 6 and carry out the oscilaltion.

Mutual parallel arrangement between the horizontal central axis of lifting pedestal 7 and the horizontal central axis of device body 1, and lifting pedestal 7's the biggest removal length is less than the length of gag lever post 8 to gag lever post 8 is "T" font structure setting, carries out spacing fixed to lifting pedestal 7 through gag lever post 8.

Transformer body 10 and fan 16 equidistance respectively evenly set up in the top surface of lifting pedestal 7 and the top surface of supporting base 9, and fan 16 is around the vertical central axis symmetric distribution setting of transformer body 10 for fan 16 can be to transformer body 10 effect.

The transformer body 10 and the fan 16 are arranged in a one-to-one correspondence manner, the vertical central axis of the transformer body 10 and the horizontal central axis of the limiting cover plate 13 are perpendicular to each other, and the transformer body 10 is protected through the limiting cover plate 13.

The working principle is as follows: before the dry type transformer is cast with the low loss epoxy resin, it is necessary to check the entire apparatus to confirm that the normal operation can be performed, as shown in fig. 1 to 4, when the height of the transformer body 10 needs to be adjusted, as shown in fig. 1-3, firstly, by the motor 4 fixedly connected with the rotating guide rod 3 at the left side of the device body 1, so that the motor 4 drives the rotary guide rod 3 which is arranged in the device body 1 in a penetrating way to rotate, then the rotary guide rod 3 drives the conical gear on the outer wall to be meshed and connected with the lifting sleeve 5 to rotate, meanwhile, the lifting screw rod 6 which is threaded inside the rotary guide rod 3 rotates, the top end of the lifting screw rod 6 is fixedly connected with the bottom surface of the lifting base 7, the lifting base 7 is driven by the threaded connection of the lifting threaded rod 6 and the lifting sleeve 5 to lift up and down;

as shown in fig. 1 and 4, after the fans 16 fixedly arranged on the front side and the rear side of the top surface of the lifting base 7 are driven to ascend and descend, the larger the distance between the lifting base 7 and the device body 1 is, the larger the heat dissipation displacement is, the better the temperature control effect of the transformer body 10 above the supporting base 9 on the top surface of the lifting base 7 is, the heat dissipation is performed on the transformer body 10 through the fans 16 on the top surface of the lifting base 7, and the transformer body 10 is connected through the connecting string rods 12 fixedly arranged on the front side of the transformer body 10.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a low-loss epoxy resin pouring dry-type transformer, includes device body (1), lift base (7), transformer body (10) and temperature control device (14), its characterized in that: the device is characterized in that pulleys (2) are fixedly arranged on the bottom surface of the device body (1), a rotary guide rod (3) penetrates through the device body (1), the left end of the rotary guide rod (3) outside the device body (1) is fixedly connected to the end part of an output shaft of a motor (4), lifting sleeves (5) penetrate through the left side and the right side of the top surface of the device body (1), the bottom end of each lifting sleeve (5) inside the device body (1) is connected to the outer walls of the left side and the right side of the rotary guide rod (3) through conical gears in a meshed mode, the inside of each lifting sleeve (5) penetrates through the bottom end of each lifting threaded rod (6), the top end of each lifting threaded rod (6) is fixedly connected to the left side and the right side of the bottom surface of a lifting base (7), and the left side and the right side of the bottom surface of each lifting base (7) penetrate through a fixedly arranged limiting rod (8) inside the device body (1), and both sides are all fixed around the upper surface of lift base (7) are provided with fan (16) to the middle part fixed connection of lift base (7) is in the bottom surface of supporting base (9), and the fixed transformer body (10) that is provided with of top surface of supporting base (9), and transformer body (10) pass through wire (11) and connect in the left end of fan (16) simultaneously, the front of the transformer body (10) of the top surface both sides of supporting base (9) is through fixed connection boom (12) interconnect who sets up, and the top surface of transformer body (10) is fixed and is provided with spacing apron (13), and the fixed temperature control device (14) that is provided with in top surface left side of spacing apron (13), and the top surface left and right sides of spacing apron (13) are all fixed and are provided with rings (15) moreover.

2. The low loss epoxy cast dry transformer of claim 1, wherein: the rotary guide rod (3) and the device body (1) are arranged in a horizontal coaxial distribution mode, and the lifting sleeves (5) in the device body (1) are symmetrically arranged on the vertical central axis of the device body (1).

3. The low loss epoxy cast dry transformer of claim 1, wherein: the lifting sleeve is characterized in that the lifting sleeve (5) and the rotating guide rod (3) are mutually attached to rotate, the lifting sleeve (5) and the lifting threaded rod (6) are vertically and coaxially distributed, and the lifting sleeve (5) and the lifting threaded rod (6) are in threaded connection.

4. The low loss epoxy cast dry transformer of claim 1, wherein: the transverse central axis of the lifting base (7) and the transverse central axis of the device body (1) are arranged in parallel, the maximum moving length of the lifting base (7) is smaller than the length of the limiting rod (8), and the limiting rod (8) is arranged in a T-shaped structure.

5. The low loss epoxy cast dry transformer of claim 1, wherein: the transformer body (10) and the fan (16) are respectively and uniformly arranged on the top surface of the lifting base (7) and the top surface of the supporting base (9) at equal intervals, and the fan (16) is symmetrically distributed and arranged around the vertical central axis of the transformer body (10).

6. The low loss epoxy cast dry transformer of claim 1, wherein: the transformer body (10) and the fan (16) are arranged in a one-to-one correspondence mode, and the vertical central axis of the transformer body (10) is perpendicular to the horizontal central axis of the limiting cover plate (13).