CN215118537U

CN215118537U - Dry-type wound core transformer

Info

Publication number: CN215118537U
Application number: CN202120426720.XU
Authority: CN
Inventors: 高龙; 温德胜; 逯登龙; 蔡丹丽
Original assignee: Cgn Pingshan Solar Power Generation Co ltd
Current assignee: Cgn Pingshan Solar Power Generation Co ltd
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2021-12-10
Anticipated expiration: 2031-02-26

Abstract

The utility model provides a dry-type transformer that rolls up iron core, including the transformer main part, the transformer main part outside evenly is provided with the fin, transformer main part bottom symmetry is provided with the mounting bracket, the transformer upper cover plate is installed on transformer main part top, the inside bottom central point department of putting of transformer main part is provided with a roll iron core, the inside both sides of transformer main part evenly are provided with the dust guard, the dust guard is close to snubber block one side and is provided with the acoustic celotex board, the inside bottom intermediate position symmetry of transformer main part is provided with the side heat dissipation fan, the utility model discloses be provided with the dust guard, can prevent dust well, reduce the later stage maintenance degree of difficulty, and the bottom is provided with damper, can protect equipment's normal operating well when receiving vibrations, and inside is provided with noise reduction structure, can reduce the noise that spreads.

Description

Dry-type wound core transformer

Technical Field

The utility model relates to a technical field that the transformer was made specifically is iron core transformer is rolled up to dry-type.

Background

In China, the development of a transformer with a three-dimensional structure, such as an involute iron core, a three-dimensional laminated iron core and the like, is started in the 60 th of the 20 th century, and is limited by the reasons of materials and technology, and reasonable three-dimensional wound iron core transformers are developed by some domestic manufacturers only after the 90 th of the 20 th century. Later, the wound core transformer is gradually approved by users to obtain some applications, the heat productivity of the product is very low, the no-load loss and the no-load current of the wound core transformer are very small, the heat productivity of the product is very low, the special three-dimensional iron core enables the product to be compact in structure and reasonable in layout, the occupied area of the plane of the transformer body is reduced by 10-15% compared with that of the traditional product, the height of the transformer body is reduced by 10-20%, and the volume of the box can be reduced to about 1/4 if the wound core transformer is installed in a box-type substation.

The existing wound core transformer cannot be well dustproof, the working difficulty of maintenance is increased, a damping mechanism is not arranged, equipment is damaged when the wound core transformer is vibrated, a noise reduction structure is not arranged inside the wound core transformer, and noise can be generated during operation.

In order to solve the problem of current transformer unshakable in one's determination, the utility model provides a dry-type transformer unshakable in one's determination of rolling up, the utility model discloses being provided with the dust guard, can carrying out dustproof effect well, reducing the later stage maintenance degree of difficulty, and the bottom is provided with damper, can protect equipment's normal operating well when receiving vibrations, and inside noise reduction structure that is provided with can reduce the noise that spreads.

SUMMERY OF THE UTILITY MODEL

The utility model provides a dry-type is rolled up transformer unshakable in one's determination for solve the current transformer unshakable in one's determination of rolling up that proposes in the above-mentioned background art and can not prevent dust well, increaseed the work degree of difficulty of maintenance, do not have damper, in order to damage equipment when receiving vibrations, and inside lacks noise reduction structure, can produce the problem of noise during the operation.

In order to achieve the above object, the utility model provides a following technical scheme: dry-type wound core transformer, including transformer main body, the transformer main body outside evenly is provided with the fin, transformer main body bottom symmetry is provided with the mounting bracket, transformer upper cover plate is installed on transformer main body top, the inside bottom central point department of putting of transformer main body is provided with a roll iron core, the inside both sides of transformer main body evenly are provided with the dust guard, the dust guard is close to snubber block one side and is provided with the acoustic celotex board, the inside bottom intermediate position symmetry of transformer main body is provided with the side heat dissipation fan.

Preferably, mounting bracket top intermediate position fixedly connected with damper disc, damper disc top central point department is provided with the ventilation hole, the damper disc top evenly is provided with the snubber block.

Preferably, the damping base is fixedly connected to the central position of the inner bottom end of the damping block, the damping slide rod is slidably connected to the central position of the inner bottom end of the damping base, and a damping spring is arranged on the circumferential outer wall of the damping base.

Preferably, sound absorbing holes are uniformly formed in one side of the sound insulation board and are honeycomb-shaped.

Preferably, the top end of the upper cover plate of the transformer is uniformly and fixedly connected with rivets of the upper cover plate of the transformer.

Preferably, a high-voltage bushing is fixedly connected to the middle of one side of the top end of the upper cover plate of the transformer, and a low-voltage bushing is uniformly installed at the middle of one side, far away from the high-voltage bushing, of the top end of the upper cover plate of the transformer.

Preferably, the mounting bracket is i-shaped.

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

1. the utility model is provided with the dust guard, can well prevent dust, and reduces the difficulty of later maintenance;

2. the bottom of the utility model is provided with a damping mechanism, which can well protect the normal operation of the equipment when receiving the vibration;

3. the utility model discloses inside is provided with noise reduction structure, can reduce the noise that spreads.

Drawings

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

fig. 2 is a schematic diagram of the main structure of the transformer of the present invention;

fig. 3 is a schematic structural view of the mounting rack of the present invention;

FIG. 4 is a schematic view of the inner structure of the damper block of the present invention;

fig. 5 is a schematic diagram of the structure of the sound-proof board of the present invention.

In the figure: 1-transformer body, 11-heat sink, 12-mounting rack, 121-damping disk, 122-vent, 13-damping block, 131-damping slide bar, 132-damping base, 133-damping spring, 14-side heat dissipation fan, 15-sound insulation board, 151-sound absorption hole, 16-dust-proof board, 17-coiled iron core, 2-transformer upper cover board, 201-transformer upper cover board rivet, 202-high voltage bushing, 203-low voltage bushing.

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

In an embodiment, referring to fig. 1 to 5, a dry-type wound core transformer includes a transformer main body 1, heat dissipation fins 11 are uniformly arranged on the outer side of the transformer main body 1, mounting frames 12 are symmetrically arranged at the bottom end of the transformer main body 1, a transformer upper cover plate 2 is mounted at the top end of the transformer main body 1, a wound core 17 is arranged at the central position of the bottom end inside the transformer main body 1, dust-proof plates 16 are uniformly arranged on two sides inside the transformer main body 1, a sound-proof plate 15 is arranged on one side of each dust-proof plate 16 close to a shock absorption block 13, and side heat dissipation fans 14 are symmetrically arranged at the central position of the bottom end inside the transformer main body 1.

Referring to fig. 3, a damping plate 121 is fixedly connected to a middle position of a top end of the mounting frame 12, a vent hole 122 is formed in a central position of the top end of the damping plate 121, and damping blocks 13 are uniformly arranged on the top end of the damping plate 121.

Referring to fig. 4, a damping base 132 is fixedly connected to a central position of a bottom end inside the damping block 13, a damping slide rod 131 is slidably connected to a central position inside the damping base 132, and a damping spring 133 is disposed on an outer circumferential wall of the damping base 132.

Referring to fig. 5, sound absorbing holes 151 are uniformly formed on one side of the acoustic panel 15, and the sound absorbing holes 151 are honeycomb-shaped.

Referring to fig. 1, the top end of the transformer upper cover plate 2 is uniformly and fixedly connected with transformer upper cover plate rivets 201.

Referring to fig. 1, a high voltage bushing 202 is fixedly connected to a middle position of one side of the top end of the transformer upper cover plate 2, and low voltage bushings 203 are uniformly installed at middle positions of one side of the top end of the transformer upper cover plate 2, which is far away from the high voltage bushing 202.

Referring to fig. 3, the mounting frame 12 is i-shaped.

The working principle is as follows: the utility model discloses fixed with equipment fixing when using, in operation, the dust guard can block inside the dust entering equipment, reduces the fault rate of equipment, and the noise that the acoustic celotex board can eliminate equipment operation and produce, and the snubber block can alleviate vibrations through damping spring when equipment receives vibrations, and the maintenance equipment is firm, the utility model discloses be provided with the dust guard, can carry out the dustproof effect well, reduce the later stage maintenance degree of difficulty, and the bottom is provided with damper, can protect equipment's normal operating well when receiving vibrations, and inside noise reduction structure that is provided with can reduce the noise that spreads.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Dry-type wound core transformer, including transformer main part (1), its characterized in that: evenly be provided with fin (11) in transformer main part (1) outside, transformer main part (1) inside bottom central point department of putting is provided with book iron core (17), transformer main part (1) inside both sides evenly are provided with dust guard (16), dust guard (16) are close to snubber block (13) one side and are provided with acoustic celotex board (15), transformer main part (1) inside bottom intermediate position symmetry is provided with side heat dissipation fan (14).

2. A dry-type wound core transformer according to claim 1, wherein: the transformer is characterized in that mounting frames (12) are symmetrically arranged at the bottom end of the transformer main body (1), and an upper transformer cover plate (2) is installed at the top end of the transformer main body (1).

3. A dry-type wound core transformer according to claim 2, wherein: mounting bracket (12) top intermediate position fixedly connected with damper disc (121), damper disc (121) top central point department is provided with ventilation hole (122), damper disc (121) top evenly is provided with snubber block (13).

4. A dry-type wound core transformer according to claim 3, wherein: shock attenuation piece (13) inside bottom central point department fixedly connected with vibration damping mount (132), vibration damping mount (132) inside central point department sliding connection has shock attenuation slide bar (131), vibration damping mount (132) circumference outer wall is provided with damping spring (133).

5. A dry-type wound core transformer according to claim 1, wherein: and sound absorbing holes (151) are uniformly formed in one side of the sound insulation board (15), and the sound absorbing holes (151) are honeycomb-shaped.

6. A dry wound core transformer according to claim 2, characterized in that said transformer upper cover (2) has a top end to which are uniformly and fixedly attached transformer upper cover rivets (201).

7. A dry-type wound core transformer according to claim 6, wherein: the transformer top cover plate is characterized in that a high-voltage bushing (202) is fixedly connected to the middle of one side of the top end of the transformer top cover plate (2), and a low-voltage bushing (203) is uniformly arranged at the middle of one side, far away from the high-voltage bushing (202), of the top end of the transformer top cover plate (2).

8. A dry-type wound core transformer according to claim 2, wherein: the mounting frame (12) is I-shaped.