CN219349971U

CN219349971U - Dry-type transformer with noise reduction structure

Info

Publication number: CN219349971U
Application number: CN202320672489.1U
Authority: CN
Inventors: 任婉丽
Original assignee: Langfang Taishun Electric Power Equipment Co ltd
Current assignee: Langfang Taishun Electric Power Equipment Co ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-07-14
Anticipated expiration: 2033-03-30

Abstract

The utility model relates to the technical field of noise reduction of dry transformers, and provides a dry transformer with a noise reduction structure, which comprises a base, a built-in noise insulation box and a noise reduction plate, wherein the dry transformer is fixedly arranged at the top end of the base, the noise insulation plates are arranged at the left side and the right side of the dry transformer, the built-in noise insulation box is arranged in the dry transformer, the noise reduction plate is arranged at the front side of the inside of the built-in noise insulation box, second springs are fixedly arranged at the two sides of the noise reduction plate, and an inserting plate is fixedly arranged at the other end of the second springs.

Description

Dry-type transformer with noise reduction structure

Technical Field

The utility model relates to the technical field of noise reduction of dry transformers, in particular to a dry transformer with a noise reduction structure.

Background

The dry-type transformer is CNC mechanical equipment for local illumination, high-rise buildings, airports and wharfs, and has the advantages of safety, fire prevention, no pollution, high mechanical strength, strong short circuit resistance, good thermal stability, high reliability and long service life.

The patent specification with the publication number of CN 210606934U discloses a noise reduction structure of a dry-type transformer, which aims to solve the problems that the existing dry-type transformer often generates noise during operation, and the noise generated by the dry-type transformer with larger capacity is more prominent, so that the overall service performance is influenced. Support blocks are all installed at the both ends of coil, the low pressure wiring piece is installed to one side of coil top support block, the high pressure wiring piece is installed to the opposite side of the support block of coil top, the inside lower extreme of dry-type transformer casing is provided with the low pressure wiring piece, the air heater all is installed to the both sides of low pressure wiring piece upper end, the noise absorbing plate of installation is all installed to the both sides inner wall of dry-type transformer casing, noise reducing structure is installed to the inboard of noise absorbing plate of installation.

However, the dry-type transformer noise reduction structure has the following problems in the implementation of the related art: the added heat dissipation fan occupies the volume of the dry type transformer, the assembly space of the dry type transformer is further increased, when the dry type transformer is used, the heat dissipation fan can generate certain noise, and further the noise propagation is increased.

Disclosure of Invention

The utility model provides a dry-type transformer with a noise reduction structure, which solves the problem that an increased radiating fan occupies the volume of the dry-type transformer in the related art, and further increases the assembly space of the dry-type transformer.

The technical scheme of the utility model is as follows:

the utility model provides a dry-type transformer with structure of making an uproar falls, includes base, built-in sound insulation box and the board of making an uproar falls, the fixed dry-type transformer that is provided with in top of base, dry-type transformer's the left and right sides all is provided with the acoustic celotex board, built-in sound insulation box sets up the inside at dry-type transformer, the board of making an uproar falls the inside front side of setting built-in sound insulation box, the both sides of the board of making an uproar all are fixed and are provided with the second spring, the other end of second spring is fixed and is provided with the picture peg, the picture peg block sets up the inner wall at built-in sound insulation box, the outside of picture peg is fixed and is provided with the closing plate, and the closing plate laminating sets up in the one side of making an uproar board of making an uproar.

Preferably, the acoustic panel is fixed on the side wall of the dry-type transformer through screws, and the acoustic panel is internally filled with acoustic cotton.

Preferably, the left side and the right side of the built-in sound insulation box are provided with sliding grooves, a transverse frame is arranged in the sliding grooves of the built-in sound insulation box in a sliding mode, and the transverse frame is fixedly arranged on the inner wall of the dry-type transformer.

Preferably, the top of built-in sound insulation box is provided with first spring, the top and the dry-type transformer fixed connection of first spring, the bottom mounting of first spring is provided with the location axle, the bottom mounting of location axle is provided with the screw thread axle, the screw thread axle slides and runs through built-in sound insulation box, the outside spiral of screw thread axle is provided with the nut, and the nut laminating sets up the inside top at built-in sound insulation box.

Preferably, the outside of locating shaft is fixed and is provided with spacing side bearer, spacing side bearer laminating sets up in the inner wall top of built-in sound insulation box.

Preferably, the front side of base is fixed and is provided with the extension platform, the fixed block that is provided with in top of extension platform, the inside rotation of fixed block is provided with the rotating stand, the fixed brace table that is provided with in top of rotating stand, the fixed buffer frame that is provided with in top of brace table, the fixed buffer post that is provided with in top of buffer frame, the fixed backing plate that is provided with in rear side of buffer post, and the backing plate laminating sets up the front side at dry-type transformer.

Preferably, a fixed plate is fixedly arranged above the front side of the rotating frame, a third spring is fixedly arranged at the bottom end of the fixed plate, and the other end of the third spring is fixedly connected with the fixed block.

Preferably, a baffle is arranged at the rear side below the fixed plate, and the baffle is fixedly connected with the fixed block.

The working principle and the beneficial effects of the utility model are as follows:

1. according to the utility model, through the built-in sound insulation box, the noise reduction plate, the plugboard and the sealing plate, the separated built-in sound insulation box is matched with the noise reduction plate to reduce noise of the components placed in the device, and the design of the detachable noise reduction structure is realized, so that the maintenance work of workers on the components in the built-in sound insulation box is greatly facilitated, and meanwhile, the increase of the volume of the dry-type transformer is avoided, and the normal installation operation of the dry-type transformer is influenced;

2. according to the utility model, through the fixed block, the rotating frame, the buffer frame and the third spring, a layer of protection structure can be formed on the buffer frame at the front side of the dry-type transformer, and when external impact is generated, the buffer frame can rotate and deflect after impacting the front side surface of the dry-type transformer, so that impact damage to the dry-type transformer is reduced, and the protection performance is improved.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

Fig. 1 is a schematic diagram of a dry-type transformer with a noise reduction structure according to the present utility model;

fig. 2 is a schematic diagram of a dry-type transformer assembly according to the present utility model;

FIG. 3 is a schematic view of a positioning shaft according to the present utility model;

FIG. 4 is a schematic view of a noise reduction plate structure according to the present utility model;

fig. 5 is a schematic diagram of a buffer frame according to the present utility model.

In the figure: 1. a base; 2. a dry-type transformer; 3. a sound insulation board; 4. a sound insulation box is arranged in the box; 5. a cross frame; 6. a first spring; 7. positioning a shaft; 8. a limit side frame; 9. a threaded shaft; 10. a nut; 11. a noise reduction plate; 12. a second spring; 13. inserting plate; 14. a sealing plate; 15. an extension table; 16. a fixed block; 17. a rotating frame; 18. a support table; 19. a buffer frame; 20. a buffer column; 21. a backing plate; 22. a fixing plate; 23. a baffle; 24. and a third spring.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 and 5, the present utility model provides a dry-type transformer with noise reduction structure, which comprises:

the utility model provides a dry-type transformer with structure of making an uproar falls, including base 1, built-in sound insulation box 4 and board of making an uproar 11 falls, the fixed dry-type transformer 2 that is provided with in top of base 1, the left and right sides of dry-type transformer 2 all is provided with the acoustic celotex board 3, built-in sound insulation box 4 sets up in the inside of dry-type transformer 2, the board of making an uproar 11 sets up the inside front side of built-in sound insulation box 4, the both sides of board of making an uproar 11 all are fixed and are provided with second spring 12, the other end of second spring 12 is fixed and is provided with picture peg 13, picture peg 13 block sets up the inner wall at built-in sound insulation box 4, the outside of picture peg 13 is fixed and is provided with closing plate 14, and closing plate 14 laminating sets up in one side of making an uproar 11, the built-in sound insulation box 4 that sets up directly forms the structure of making an uproar at the inside of dry-type transformer 2, and then the great reduction structure that makes an uproar occupies space.

The sound insulation plate 3 is fixed on the side wall of the dry-type transformer 2 through screws, sound insulation cotton is filled in the sound insulation plate 3, and the filled sound insulation cotton is convenient to strengthen the noise reduction effect of the sound insulation plate 3;

the left side and the right side of the built-in sound insulation box 4 are provided with sliding grooves, a transverse frame 5 is arranged in the sliding grooves of the built-in sound insulation box 4 in a sliding manner, the transverse frame 5 is fixedly arranged on the inner wall of the dry-type transformer 2, and the built-in sound insulation box 4 which is convenient to increase is quickly assembled through the transverse frame 5;

a first spring 6 is arranged above the built-in sound insulation box 4, the top end of the first spring 6 is fixedly connected with the dry-type transformer 2, a positioning shaft 7 is fixedly arranged at the bottom end of the first spring 6, a threaded shaft 9 is fixedly arranged at the bottom end of the positioning shaft 7, the threaded shaft 9 penetrates through the built-in sound insulation box 4 in a sliding manner, a nut 10 is spirally arranged on the outer side of the threaded shaft 9, the nut 10 is attached to the upper part inside the built-in sound insulation box 4, the conveniently arranged positioning shaft 7 and the threaded shaft 9 are inserted into the upper part inside the built-in sound insulation box 4, and the built-in sound insulation box 4 is quickly assembled by using the nut;

the outer side of the positioning shaft 7 is fixedly provided with a limiting side frame 8, the limiting side frame 8 is attached to the upper part of the inner wall of the built-in sound insulation box 4, and the positioning shaft 7 is assembled and positioned to the upper part of the inner wall of the built-in sound insulation box 4 through the limiting side frame 8 to perform primary positioning;

the front side of base 1 is fixed and is provided with extension platform 15, the top of extension platform 15 is fixed and is provided with fixed block 16, the inside rotation of fixed block 16 is provided with rotating frame 17, the top of rotating frame 17 is fixed and is provided with brace table 18, the top of brace table 18 is fixed and is provided with buffer frame 19, the top of buffer frame 19 is fixed and is provided with buffer post 20, the rear side of buffer post 20 is fixed and is provided with backing plate 21, and backing plate 21 laminating sets up the front side at dry-type transformer 2, the front side at dry-type transformer 2 can be supported in the cooperation of buffer frame 19 cooperation buffer post 20 that sets up, form firm bearing structure, stop the secondary impact that produces, protect dry-type transformer 2.

A fixed plate 22 is fixedly arranged above the front side of the rotating frame 17, a third spring 24 is fixedly arranged at the bottom end of the fixed plate 22, the other end of the third spring 24 is fixedly connected with the fixed block 16, the third spring 24 which is convenient to arrange is connected with the fixed plate 16, and the rotating frame 17 is tensioned;

the baffle 23 is arranged on the rear side below the fixed plate 22, and the baffle 23 is fixedly connected with the fixed block 16, so that the baffle 23 is convenient to prevent the rotating frame 17 from rotating continuously.

The working principle and the using flow of the utility model are as follows: the built-in sound insulation box 4 arranged inside the dry-type transformer 2 can be inserted into the sliding groove of the built-in sound insulation box 4 through the transverse frame 5, the positioning shaft 7 matched with the bottom end of the first spring 6 is fixed above the built-in sound insulation box 4, the threaded shaft 9 penetrates through the built-in sound insulation box 4, the inside of the built-in sound insulation box 4 is rotationally fixed by using the nuts 10 to carry out quick assembly, the inserting plates 13 on two sides can be directly pulled to extrude the second spring 12 to compress and deform during maintenance, the built-in sound insulation box 4 is opened from the front inside to leak out of the internal structural components to carry out maintenance, the cleaning is very convenient and fast, the built-in sound insulation box 4 can reduce the occupied area, further the installation size of the dry-type transformer 2 is avoided, the installation difficulty is increased, the dry-type transformer 2 is impacted by external force in the normal use process, the buffer frame 19 rotates inside the fixed block 16 through the supporting table 18 and the rotating frame 17, the backing plate 21 on the rear side of the buffer post 20 is attached to the surface of the dry-type transformer 2, the impact force is relieved, the dry-type transformer 2 is protected, the third spring 24 matched with the fixed plate 24 can be tensioned, the impact force is further reduced, and the protection performance is improved.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a dry-type transformer with structure of making an uproar falls, includes base (1), built-in sound insulation box (4) and makes an uproar board (11) falls, a serial communication port, the fixed dry-type transformer (2) that is provided with in top of base (1), the left and right sides of dry-type transformer (2) all is provided with acoustic celotex board (3), built-in sound insulation box (4) set up the inside at dry-type transformer (2), make an uproar board (11) set up the inside front side at built-in sound insulation box (4), the both sides of making an uproar board (11) are all fixed to be provided with second spring (12), the other end of second spring (12) is fixed to be provided with picture peg (13), the inner wall at built-in sound insulation box (4) is set up in picture peg (13) block, the outside of picture peg (13) is fixed to be provided with closing plate (14), and closing plate (14) laminating sets up one side at making an uproar board (11) of making an uproar.

2. A dry type transformer with noise reduction structure according to claim 1, wherein the sound insulation board (3) is fixed on the side wall of the dry type transformer (2) through screws, and the inside of the sound insulation board (3) is filled with sound insulation cotton.

3. The dry-type transformer with the noise reduction structure according to claim 1, wherein sliding grooves are formed in the left side and the right side of the built-in sound insulation box (4), a transverse frame (5) is slidably arranged in the sliding grooves of the built-in sound insulation box (4), and the transverse frame (5) is fixedly arranged on the inner wall of the dry-type transformer (2).

4. The dry-type transformer with noise reduction structure according to claim 1, characterized in that a first spring (6) is arranged above the built-in sound insulation box (4), the top end of the first spring (6) is fixedly connected with the dry-type transformer (2), a positioning shaft (7) is arranged at the bottom end of the first spring (6), a threaded shaft (9) is arranged at the bottom end of the positioning shaft (7) in a fixed manner, the threaded shaft (9) penetrates through the built-in sound insulation box (4) in a sliding manner, a nut (10) is arranged on the outer side of the threaded shaft (9) in a spiral manner, and the nut (10) is arranged above the inside of the built-in sound insulation box (4) in a fitting manner.

5. The dry-type transformer with the noise reduction structure according to claim 4, wherein a limiting side frame (8) is fixedly arranged on the outer side of the positioning shaft (7), and the limiting side frame (8) is arranged above the inner wall of the built-in sound insulation box (4) in a fitting mode.

6. The dry-type transformer with noise reduction structure according to claim 1, characterized in that an extension table (15) is fixedly arranged on the front side of the base (1), a fixed block (16) is fixedly arranged on the top end of the extension table (15), a rotating frame (17) is rotatably arranged in the fixed block (16), a supporting table (18) is fixedly arranged on the top end of the rotating frame (17), a buffer frame (19) is fixedly arranged on the top end of the supporting table (18), a buffer column (20) is fixedly arranged on the top end of the buffer frame (19), a base plate (21) is fixedly arranged on the rear side of the buffer column (20), and the base plate (21) is attached to the front side of the dry-type transformer (2).

7. The dry-type transformer with the noise reduction structure according to claim 6, wherein a fixing plate (22) is fixedly arranged above the front side of the rotating frame (17), a third spring (24) is fixedly arranged at the bottom end of the fixing plate (22), and the other end of the third spring (24) is fixedly connected with the fixing block (16).

8. The dry-type transformer with the noise reduction structure according to claim 7, wherein a baffle plate (23) is disposed at the lower rear side of the fixing plate (22), and the baffle plate (23) is fixedly connected with the fixing block (16).