High-efficiency energy-saving noise-reducing dry-type transformer

By installing noise-reducing panels and sound-absorbing cotton in dry-type transformers and utilizing the sliding groove and slot structure to achieve noise reduction, the noise problem during operation of dry-type transformers is solved, and the convenience of maintenance is improved.

CN224355101UActive Publication Date: 2026-06-12SHENDIAN ELECTRIC APPLIANCE CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENDIAN ELECTRIC APPLIANCE CO LTD
Filing Date
2025-07-30
Publication Date
2026-06-12

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    Figure CN224355101U_ABST
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Abstract

The utility model relates to dry -type transformer technical field especially is a kind of efficient energy -conserving noise reduction dry -type transformer, including dry -type transformer ontology, the top of dry -type transformer ontology is provided with top seat, the bottom of dry -type transformer ontology is provided with base, the edge of the bottom surface front and back sides of top seat is equipped with first sliding slot, the middle of the left and right sides of top seat is equipped with first slot, the edge of the top surface front and back sides of base is equipped with second sliding slot, the middle of the left and right sides of base is equipped with second slot, the noise reduction board is arranged between top seat and base, the inside of noise reduction board is provided with sound-absorbing cotton, the above of noise reduction board inside is provided with upper plugboard, the below of noise reduction board inside is provided with lower plugboard, the connecting place of noise reduction board is provided with limit sleeve board, the inside of limit sleeve board is sleeved with threaded rod, the noise reduction board, sound-absorbing cotton that the setting can be absorbed to the noise generated when dry -type transformer operates.
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Description

Technical Field

[0001] This utility model relates to the field of dry-type transformer technology, specifically a high-efficiency, energy-saving, and noise-reducing dry-type transformer. Background Technology

[0002] A transformer is an electrical device used for power conversion. It utilizes the principle of electromagnetic induction to convert alternating current (AC) energy of one voltage and current into AC energy of another voltage and current at the same frequency, to meet the needs of high-voltage power transmission, low-voltage power distribution, and other applications. A transformer consists of an iron core and coils. The coils have two or more windings; the winding connected to the power source is called the primary winding, and the remaining windings are called secondary windings. Its main functions include voltage transformation, current transformation, impedance transformation, isolation, and voltage stabilization (magnetic saturation transformer).

[0003] Transformers are classified into oil-immersed transformers and dry-type transformers based on their cooling method. Dry-type transformers rely on natural air convection for cooling or additional fan cooling. They are commonly used in high-rise buildings, highway toll stations, and as small-capacity transformers for local lighting and electronic circuits. Compared to oil-immersed transformers, dry-type transformers offer numerous advantages, including better fire resistance, maintenance-free operation, no pollution, strong short-circuit withstand capability, high heat resistance, and easy installation. With socio-economic development, dry-type transformers are widely used in local lighting, high-rise buildings, airports, docks, factories, and other locations with high fire safety requirements. While dry-type transformers are frequently used in densely populated areas, the noise they generate during operation can often be bothersome. Utility Model Content

[0004] The purpose of this invention is to provide a high-efficiency, energy-saving, and noise-reducing dry-type transformer to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A high-efficiency, energy-saving, and noise-reducing dry-type transformer includes a dry-type transformer body. A top seat is provided on the top of the dry-type transformer body, and a base is provided on the bottom of the dry-type transformer body. First sliding grooves are formed on the front and rear edges of the bottom of the top seat, and first slots are formed in the middle of the left and right sides of the top seat. Second sliding grooves are formed on the front and rear edges of the top of the base, and second slots are formed in the middle of the left and right sides of the base. A noise-reducing plate is provided between the top seat and the base. Sound-absorbing cotton is provided on the inner side of the noise-reducing plate. An upper insert plate is provided above the inner side of the noise-reducing plate, and a lower insert plate is provided below the inner side of the noise-reducing plate. A limiting sleeve is provided at the connection point of the noise-reducing plate. A threaded rod is sleeved on the inner side of the limiting sleeve, and nuts are symmetrically sleeved on the outer wall of the threaded rod.

[0007] As a preferred embodiment of this utility model, the noise reduction plate has a U-shaped structure, and the height of the noise reduction plate is equal to the distance between the first and second sliding grooves. The length of the noise reduction plate is equal to half the length of the top seat and the base. Three pieces of sound-absorbing cotton are provided, and the sound-absorbing cotton is fixedly bonded to the inner wall of the noise reduction plate.

[0008] The above technical solution can absorb the noise generated during the operation of dry-type transformers.

[0009] As a preferred embodiment of this utility model, the noise reduction plate is connected to the first slide groove in a sliding connection manner, the noise reduction plate is connected to the second slide groove in a sliding connection manner, the upper insert plate is adapted to the shape and size of the first slot, and the upper insert plate is connected to the first slot in a sliding connection manner, the lower insert plate is adapted to the shape and size of the second slot, and the lower insert plate is connected to the second slot in a sliding connection manner, the threaded rod passes through the limiting sleeve plate, and the threaded rod is connected to the limiting sleeve plate in a sliding connection manner, and the nut is connected to the threaded rod in a threaded connection manner.

[0010] The above technical solution facilitates the installation and removal of noise reduction panels, and also makes it easier to maintain and repair the dry-type transformer body later.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. In this utility model, the noise reduction plate and sound-absorbing cotton can absorb the noise generated during the operation of the dry-type transformer. The first slide, first slot, second slide, second slot, upper insert plate, lower insert plate, limit sleeve plate, threaded rod and nut can facilitate the installation and disassembly of the noise reduction plate, and also facilitate the maintenance and repair of the dry-type transformer body in the later stage. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall appearance and structure of the present utility model;

[0014] Figure 2 This is a schematic diagram of the dry-type transformer body structure of this utility model;

[0015] Figure 3 This is a schematic diagram of the noise reduction board structure of this utility model;

[0016] Figure 4 This is an enlarged schematic diagram of structure A of this utility model.

[0017] In the diagram: 1. Dry-type transformer body; 2. Top seat; 3. Base; 4. First slide groove; 5. First slot; 6. Second slide groove; 7. Second slot; 8. Noise reduction board; 9. Sound-absorbing cotton; 10. Upper insert plate; 11. Lower insert plate; 12. Limiting sleeve plate; 13. Threaded rod; 14. Nut. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0019] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, and several embodiments of the utility model will be provided. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and complete.

[0020] For examples, please refer to Figure 1-4 This utility model provides a technical solution:

[0021] A high-efficiency, energy-saving, and noise-reducing dry-type transformer includes a dry-type transformer body 1, a top seat 2 on the top of the dry-type transformer body 1, and a base 3 on the bottom of the dry-type transformer body 1.

[0022] The top seat 2 has a first sliding groove 4 at the front and rear edges of its bottom surface, and a first slot 5 at the middle of its left and right sides. The base 3 has a second sliding groove 6 at the front and rear edges of its top surface, and a second slot 7 at the middle of its left and right sides.

[0023] Among them, a noise reduction plate 8 is provided between the top seat 2 and the base 3, and sound-absorbing cotton 9 is provided on the inner side of the noise reduction plate 8.

[0024] Among them, an upper insert plate 10 is provided on the upper part of the inner side of the noise reduction plate 8, a lower insert plate 11 is provided on the lower part of the inner side of the noise reduction plate 8, a limiting sleeve plate 12 is provided at the connection of the noise reduction plate 8, a threaded rod 13 is sleeved on the inner side of the limiting sleeve plate 12, and nuts 14 are symmetrically sleeved on the outer wall of the threaded rod 13.

[0025] In this embodiment, the noise reduction plate 8 has a U-shaped structure, and the height of the noise reduction plate 8 is equal to the distance between the first slide groove 4 and the second slide groove 6. The length of the noise reduction plate 8 is equal to half the length of the top seat 2 and the base 3. The noise reduction plate 8 is connected to the first slide groove 4 by sliding connection, and the noise reduction plate 8 is connected to the second slide groove 6 by sliding connection. The threaded rod 13 passes through the limiting sleeve 12, and the threaded rod 13 is connected to the limiting sleeve 12 by sliding connection. The nut 14 is connected to the threaded rod 13 by threaded connection. The first slide groove 4, the first slot 5, the second slide groove 6, the second slot 7, the upper insert plate 8, the lower insert plate 9, the limiting sleeve 10, the threaded rod 11, and the nut 12 facilitate the installation and disassembly of the noise reduction plate 8, and also facilitate the maintenance and repair of the dry-type transformer body in the later stage.

[0026] In this embodiment, three pieces of sound-absorbing cotton 9 are provided, and the sound-absorbing cotton 9 is fixedly bonded to the inner wall of the noise reduction plate 8. The upper insert plate 10 is adapted to the size of the first slot 5, and the upper insert plate 10 is slidably connected to the first slot 5. The lower insert plate 11 is adapted to the size of the second slot 7, and the lower insert plate 11 is slidably connected to the second slot 7. The noise reduction plate 8 and the sound-absorbing cotton 9 can absorb the noise generated when the dry-type transformer is running.

[0027] The working process of this utility model is as follows: When using the high-efficiency, energy-saving, and noise-reducing dry-type transformer designed in this scheme, firstly, align the two noise-reducing plates 8 with the first slide groove 4 and the second slide groove 6 and push them in. At this time, the noise-reducing plates 8 will slide within the first slide groove 4 and the second slide groove 6. Then, the upper insert plate 10 will be inserted into the first slot 5, and the lower insert plate 11 will be inserted into the second slot 7. Then, the threaded rod 13 will be inserted into the limiting sleeve 12, and then the nuts 14 will be screwed onto both ends of the threaded rod 13. When the dry-type transformer body 1 generates noise during operation, the noise will be absorbed by the sound-absorbing cotton 9 and the noise-reducing plates 8. Disassembly To remove the noise reduction plate 8, unscrew the nut 14 from the threaded rod 13, then pull the threaded rod 13 off the limiting sleeve 12. Finally, pull the noise reduction plate 8 out from between the top seat 2 and the base 3 to complete the disassembly. The noise reduction plate 8 and sound-absorbing cotton 9 can absorb the noise generated during the operation of the dry-type transformer. The first slide 4, first slot 5, second slide 6, second slot 7, upper insert plate 8, lower insert plate 9, limiting sleeve 10, threaded rod 11, and nut 12 facilitate the installation and disassembly of the noise reduction plate 8, and also facilitate the maintenance and repair of the dry-type transformer body in the future.

[0028] The dry-type transformer body 1 used in this utility model are all existing known electrical equipment, and all of them can be purchased and used directly on the market. Their structure, circuit and control principle are all existing known technologies. Therefore, the structure, circuit and control principle of the dry-type transformer body 1 will not be described in detail here.

[0029] All standard parts used in this application can be purchased from the market. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art and are also general components, which are common knowledge in this field.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency, energy-saving, and noise-reducing dry-type transformer, comprising a dry-type transformer body (1), characterized in that: The top of the dry-type transformer body (1) is provided with a top seat (2), and the bottom of the dry-type transformer body (1) is provided with a base (3). The top seat (2) has a first sliding groove (4) on the front and rear edges of the bottom side, and a first slot (5) is provided in the middle of the left and right sides of the top seat (2). The base (3) has a second sliding groove (6) on the front and rear edges of the top side, and a second slot (7) is provided in the middle of the left and right sides of the base (3). A noise reduction plate (8) is provided between the top seat (2) and the base (3). The inner side of the noise reduction plate (8) is provided with sound-absorbing cotton (9). The upper side of the inner side of the noise reduction plate (8) is provided with an upper insert plate (10), and the lower side of the inner side of the noise reduction plate (8) is provided with a lower insert plate (11). A limit sleeve plate (12) is provided at the connection of the noise reduction plate (8). A threaded rod (13) is sleeved on the inner side of the limit sleeve plate (12). Nuts (14) are symmetrically sleeved on the outer wall of the threaded rod (13).

2. The high-efficiency, energy-saving, and noise-reducing dry-type transformer according to claim 1, characterized in that: The noise reduction plate (8) has a U-shaped structure, and the height of the noise reduction plate (8) is equal to the distance between the first slide groove (4) and the second slide groove (6). The length of the noise reduction plate (8) is equal to half the length of the top seat (2) and the base (3).

3. The high-efficiency, energy-saving, and noise-reducing dry-type transformer according to claim 1, characterized in that: The noise reduction plate (8) is connected to the first slide groove (4) by a sliding connection, and the noise reduction plate (8) is connected to the second slide groove (6) by a sliding connection.

4. The high-efficiency, energy-saving, and noise-reducing dry-type transformer according to claim 1, characterized in that: The sound-absorbing cotton (9) is provided in three pieces, and the sound-absorbing cotton (9) is fixedly bonded to the inner wall of the noise reduction plate (8).

5. The high-efficiency, energy-saving, and noise-reducing dry-type transformer according to claim 1, characterized in that: The upper insert plate (10) is adapted to the size of the first slot (5), and the upper insert plate (10) and the first slot (5) are connected by a sliding connection.

6. The high-efficiency, energy-saving, and noise-reducing dry-type transformer according to claim 1, characterized in that: The lower insert plate (11) is adapted to the size of the second slot (7), and the connection between the lower insert plate (11) and the second slot (7) is a sliding connection.

7. The high-efficiency, energy-saving, and noise-reducing dry-type transformer according to claim 1, characterized in that: The threaded rod (13) passes through the limiting sleeve (12), and the connection between the threaded rod (13) and the limiting sleeve (12) is a sliding connection, while the connection between the nut (14) and the threaded rod (13) is a threaded connection.