CN211181859U

CN211181859U - Low-loss power transformer

Info

Publication number: CN211181859U
Application number: CN202020338088.9U
Authority: CN
Inventors: 马少华; 吴由松; 程晓玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-18
Filing date: 2020-03-18
Publication date: 2020-08-04
Anticipated expiration: 2030-03-18

Abstract

The utility model discloses a low-loss power transformer, including bottom plate and cover shell, the mounting groove has been seted up on the top of bottom plate, and the mid-mounting of bottom plate has first dust screen, the installation shell is all installed at both ends around the upper surface of bottom plate, and installs the left surface fixed mounting of shell and have the motor, the output of motor is connected with the bull stick, and the lateral surface welding of bull stick has the heat dissipation leaf, the top of installation shell is provided with the insulated wire circle post, and the top of insulated wire circle post is provided with high-voltage bushing, the cover shell is located the outside of insulated wire circle post, and the outer end of cover shell installs radiating fin, the top of cover shell is provided with the protection casing, and the outer end of protection casing installs the second dust screen to the line hole has been seted up on the top of. This low-loss power transformer, the insulating coil post on the convenient maintenance bottom plate improves the radiating effect, avoids adhesion dust on high-tension bushing and the low-voltage bushing.

Description

Low-loss power transformer

Technical Field

The utility model relates to a power transformer technical field specifically is a low-loss power transformer.

Background

The power transformer changes voltage through the principle of electromagnetic induction, plays an important role in power transmission, uses the low-loss power transformer in order to save energy consumption, saves resources and reduces unnecessary property loss.

The existing low-loss power transformer is inconvenient to maintain an insulating coil column on a bottom plate, has poor heat dissipation effect, and dust is easily adhered to a high-voltage sleeve and a low-voltage sleeve, so that the low-loss power transformer is provided, and the problems provided in the prior art are solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low-loss power transformer to solve the insulating coil post on the inconvenient maintenance bottom plate of the current low-loss power transformer who proposes in the above-mentioned background art, the radiating effect is relatively poor, easily glues the problem of attaching the dust on high-tension bushing and the low-voltage bushing.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low-loss power transformer, includes bottom plate and cover shell, the mounting groove has been seted up on the top of bottom plate, and the mid-mounting of bottom plate has first dust screen, the installation shell is all installed at both ends around the upper surface of bottom plate, and the left surface fixed mounting of installation shell has a motor, the output of motor is connected with the bull stick, and the lateral surface welding of bull stick has the heat dissipation leaf, the top of installation shell is provided with the insulated wire circle post, and the top of insulated wire circle post is provided with high-voltage bushing to high-voltage bushing's front side is provided with the low pressure sleeve pipe, the cover shell is located the outside of insulated wire circle post, and the outer end of cover shell installs radiating fin, the top of cover shell is provided with the protection casing, and the second dust screen is installed to the outer end of protection.

Preferably, the cross section of the mounting groove is of a structure shaped like a Chinese character 'hui', and the height of the mounting groove is smaller than the thickness of the bottom plate.

Preferably, the transverse center line of the first dustproof net and the transverse center line of the insulating coil column are located in the same plane, and the outer side face of the insulating coil column is attached to the inner side face of the radiating fin.

Preferably, the top end, the front end and the rear end of the mounting shell and the bottom end of the casing are all open structures, the inner ends of the radiating fins penetrate through the inside of the casing, and the bottom end of the casing is fixedly connected with the bottom plate through screws.

Preferably, the protection casing is connected for the draw-in groove with the connected mode of cover shell, and the second dust screen all has the setting around the protection casing.

Preferably, the line holes are distributed at the top end of the protective cover at equal intervals, and the inner side surfaces of the line holes are adhered and connected with rubber rings.

Compared with the prior art, the beneficial effects of the utility model are that: the low-loss power transformer is convenient to maintain the insulating coil column on the bottom plate, improves the heat dissipation effect and avoids dust from adhering to the high-voltage sleeve and the low-voltage sleeve;

1. the insulating coil column is provided with a bottom plate and a casing, the casing with an open structure at the bottom end is fixedly connected with the bottom plate through a screw, and the insulating coil column on the bottom plate is convenient to maintain after the casing is taken down from the bottom plate;

2. the insulating coil column, the sleeve shell and the radiating fins are arranged, the inner side surfaces of the radiating fins are tightly attached to the outer side surfaces of the insulating coil column, heat of the insulating coil column is conveniently transmitted to the outside by the radiating fins, and the radiating effect is improved;

3. be provided with protection casing and second dust screen, utilize the protection casing to protect high-voltage bushing and low-voltage bushing, avoid the adhesion dust on high-voltage bushing and the low-voltage bushing, and utilize the second dust screen to make things convenient for high-voltage bushing and low-voltage bushing heat dissipation.

Drawings

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

FIG. 2 is a schematic view of the connecting structure of the rotating rod and the mounting shell of the present invention;

FIG. 3 is a front view of the cutting structure of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 3 according to the present invention.

In the figure: 1. bottom plate, 2, mounting groove, 3, first dust screen, 4, installation shell, 5, motor, 6, bull stick, 7, radiating leaf, 8, insulating coil post, 9, high-voltage bushing, 10, low pressure sleeve pipe, 11, cover shell, 12, radiating fin, 13, protection casing, 14, second dust screen, 15, line hole, 16, rubber circle.

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.

Unless the direction is defined separately, the directions of up, down, left, right, front, back, etc. referred to herein are the directions of up, down, left, right, front, back, etc. in the drawings of the present invention, and are herein incorporated by reference.

Referring to fig. 1-4, the present invention provides a technical solution: a low-loss power transformer comprises a bottom plate 1, a mounting groove 2, a first dustproof net 3, a mounting shell 4, a motor 5, a rotating rod 6, a radiating vane 7, an insulating coil column 8, a high-voltage sleeve 9, a low-voltage sleeve 10, a casing 11, a radiating fin 12, a protective cover 13, a second dustproof net 14, a wire hole 15 and a rubber ring 16, wherein the mounting groove 2 is formed in the top end of the bottom plate 1, the first dustproof net 3 is mounted in the middle of the bottom plate 1, the mounting shell 4 is mounted at the front end and the rear end of the upper surface of the bottom plate 1, the motor 5 is fixedly mounted on the left side surface of the mounting shell 4, the rotating rod 6 is connected with the output end of the motor 5, the radiating vane 7 is welded on the outer side surface of the rotating rod 6, the insulating coil column 8 is arranged above the mounting shell 4, the high-voltage sleeve 9 is arranged above the insulating coil column 8, the low-voltage sleeve 10 is arranged on the front side of the, the outer end of the casing 11 is provided with a radiating fin 12, a protective cover 13 is arranged above the casing 11, the outer end of the protective cover 13 is provided with a second dustproof net 14, and the top end of the protective cover 13 is provided with a wire hole 15;

specifically, as shown in fig. 1 and 2, the cross section of the mounting groove 2 is of a structure shaped like a Chinese character 'hui', the height of the mounting groove 2 is smaller than the thickness of the bottom plate 1, the cover case 11 is mounted at the top end of the bottom plate 1 by using the mounting groove 2, the protective cover 13 is connected with the cover case 11 in a clamping groove manner, the second dust screens 14 are arranged at the front, back, left and right sides of the protective cover 13, dust is prevented from adhering to the high-voltage sleeve 9 and the low-voltage sleeve 10, the wire holes 15 are distributed at equal intervals at the top end of the protective cover 13, the inner side surfaces of the wire holes 15 are adhered and connected with rubber;

specifically, as in fig. 1, fig. 3 and fig. 4, the transverse center line of the first dust screen 3 and the transverse center line of the insulating coil column 8 are located in the same plane, and the outer side surface of the insulating coil column 8 is attached to the inner side surface of the heat dissipation fin 12, so that the heat dissipation effect is improved, the top end, the front end and the rear end of the installation shell 4 and the bottom end of the shell 11 are all in an open structure, the inner end of the heat dissipation fin 12 penetrates through the inside of the shell 11, and the bottom end of the shell 11 is fixedly connected with the bottom plate 1 through a screw, so that the insulating coil column 8 is convenient to maintain.

Specifically, when the low-loss power transformer is used, firstly, the working principle of the motor 5 is a mature technology in the existing background, when an iron core and a coil in an insulating coil column 8 are electrified, the motor 5 is turned on, the motor 5 drives the heat dissipation blade 7 to rotate in the installation shell 4 through the rotating rod 6, external wind enters the inner side of the casing 11 through the first dustproof net 3, the insulating coil column 8 is subjected to heat dissipation treatment, and the first dustproof net 3 is used for blocking dust in the air;

specifically, when the insulating coil post 8 inside the casing 11 needs to be repaired, the screws used for fixing the bottom plate 1 and the casing 11 in fig. 1 are removed, then the protective cover 13 is lifted upwards, the lead is removed from the high-voltage sleeve 9 and the low-voltage sleeve 10, then the casing 11 is lifted upwards, the casing 11 is removed from the bottom plate 1, the insulating coil post 8 is exposed to the outside, and then the insulating coil post 8 is repaired;

specifically, when the high-voltage bushing 9 and the low-voltage bushing 10 work, the high-voltage bushing 9 and the low-voltage bushing 10 are protected by the protective cover 13, dust is prevented from adhering to the outer surfaces of the high-voltage bushing 9 and the low-voltage bushing 10, and outside air enters the inner side of the protective cover 13 through the second dustproof net 14 to dissipate heat.

Finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A low-loss power transformer comprises a bottom plate (1) and a shell (11), and is characterized in that: the top end of the bottom plate (1) is provided with a mounting groove (2), the middle of the bottom plate (1) is provided with a first dust screen (3), the front end and the rear end of the upper surface of the bottom plate (1) are respectively provided with a mounting shell (4), the left side surface of the mounting shell (4) is fixedly provided with a motor (5), the output end of the motor (5) is connected with a rotating rod (6), the outer side surface of the rotating rod (6) is welded with a heat dissipation blade (7), an insulating coil column (8) is arranged above the mounting shell (4), a high-voltage sleeve (9) is arranged above the insulating coil column (8), a low-voltage sleeve (10) is arranged on the front side of the high-voltage sleeve (9), the casing (11) is positioned on the outer side of the insulating coil column (8), the outer end of the casing (11) is provided with a heat dissipation fin (12), and a protective cover (13), and the outer end of the protective cover (13) is provided with a second dustproof net (14), and the top end of the protective cover (13) is provided with a line hole (15).

2. A low loss power transformer as claimed in claim 1, wherein: the cross section of the mounting groove (2) is of a structure shaped like a Chinese character 'hui', and the height of the mounting groove (2) is smaller than the thickness of the bottom plate (1).

3. A low loss power transformer as claimed in claim 1, wherein: the transverse center line of the first dustproof net (3) and the transverse center line of the insulating coil column (8) are located in the same plane, and the outer side face of the insulating coil column (8) is attached to the inner side face of the radiating fin (12).

4. A low loss power transformer as claimed in claim 1, wherein: the top, the front end and the rear end of the mounting shell (4) and the bottom end of the shell (11) are all open structures, the inner ends of the radiating fins (12) penetrate through the inside of the shell (11), and the bottom end of the shell (11) is fixedly connected with the bottom plate (1) through screws.

5. A low loss power transformer as claimed in claim 1, wherein: the protection casing (13) is connected for the draw-in groove with the connected mode of cover shell (11), and second dust screen (14) all have the setting around protection casing (13).

6. A low loss power transformer as claimed in claim 1, wherein: the line holes (15) are distributed on the top end of the protective cover (13) at equal intervals, and rubber rings (16) are adhered and connected to the inner side surfaces of the line holes (15).