CN219738700U

CN219738700U - High-performance dry-type transformer

Info

Publication number: CN219738700U
Application number: CN202321267437.2U
Authority: CN
Inventors: 孙凤岗; 胡强; 李明; 张艳
Original assignee: Dianguang Explosion Proof Suzhou Electric Co ltd
Current assignee: Dianguang Explosion Proof Suzhou Electric Co ltd
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-09-22
Anticipated expiration: 2033-05-24

Abstract

The utility model discloses a high-performance dry-type transformer, which relates to the technical field of dry-type transformers, in particular to a high-performance dry-type transformer. According to the high-performance dry-type transformer, the ventilation ports are formed in the upper surface and the lower surface of the protective shell, the protective net is fixedly sleeved in the ventilation ports, the upper ventilation port and the lower ventilation port are arranged to form the convection holes, an air duct is formed conveniently, external air flows through the inner cavity of the protective shell, and the air is discharged rapidly, so that the flow speed of the air is improved, the radiating efficiency can be effectively ensured, and meanwhile, the heat conducting blocks and the soaking plates are utilized, so that the radiating fins are connected to the inner cavity of the protective shell, and the radiating efficiency of the inner cavity of the protective shell can be effectively improved.

Description

High-performance dry-type transformer

Technical Field

The utility model relates to the technical field of dry transformers, in particular to a high-performance dry transformer.

Background

Dry transformers are widely used in places such as local lighting, high-rise buildings, airports, wharf CNC mechanical equipment and the like, and simply said dry transformers refer to transformers in which iron cores and windings are not immersed in insulating oil, and cooling modes are divided into natural air cooling (AN) and forced air cooling (AF). During natural air cooling, the transformer can continuously operate for a long time under rated capacity. When forced air cooling is performed, the output capacity of the transformer can be improved by 50%. The method is suitable for intermittent overload operation or emergency accident overload operation; the overload load loss and the impedance voltage increase are large in overload, and are in uneconomical operation states, so that the overload load is not continuously in overload operation for a long time.

See issued patent numbers: CN201922056189.7 high-performance air-cooled dry type transformer, the described technical scheme is as follows: the utility model relates to a dry-type transformer technical field can effectively cool down to the transformer, improves the transformer performance, including transformer body and the guard box of setting outside the transformer body, be provided with the louvre on the lateral wall of guard box, transformer body upper end cover is provided with rings, the transformer body is placed and is placed the bench, places the bench bottom and is provided with the gyro wheel that is used for gliding, is provided with the support frame in placing the bench, places the bench surface and is provided with the bleeder vent of evenly gathering, places the bench inside and sets up for the cavity, and has laid a fan inside, places the bench and be provided with swing joint's relieving radiator all around, the guard box top is provided with the ventilative through-hole of several.

According to the technical scheme, only the top surface of the protection box is provided with the ventilation through holes, so that in the using process, the ventilation through holes are simultaneously used as air inlets and air exhaust holes, the interaction speed of the air flow in the protection box is low, the radiating efficiency is influenced, the performance of the internal transformer is limited, and part of rainwater can still be splashed in the box under the condition that wind and rain are added in the using process of the rain shield plate arranged at the top, and the rainwater is accumulated in the box to lead to the moist external environment of the transformer.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a high-performance dry-type transformer, which solves the problems in the background art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a high performance dry-type transformer, includes the transformer, the outside fixed cover of transformer is equipped with the protecting crust, the inside of protecting crust is controlled face fixed mounting and is had the heat conduction piece, the outside of protecting crust is controlled face fixed mounting and is had the vapor chamber, the outside fixed mounting of vapor chamber has cooling fin, the ventilation mouth has been seted up to the top surface and the bottom surface of protecting crust, the inside fixed cover of ventilation mouth is equipped with the protection network, the bottom surface fixed mounting of protecting crust has the chassis.

Optionally, the front and back face of protecting crust is close to the position fixed mounting of top has the backup pad, two fixed mounting has the top weather shield between the backup pad, the top surface fixed mounting of protecting crust has the below weather shield, the bottom surface of top weather shield and the top surface fixed mounting of below weather shield have the weather shield.

Optionally, a stop collar is fixedly arranged on the bottom surface of the transformer and the top surface of the underframe, a sealing bottom plate is movably sleeved in the stop collar, and a floating block is fixedly arranged on the bottom surface of the sealing bottom plate.

Optionally, the heat conduction block outwards extends to the outside of protecting crust, the outside of heat conduction block and the inner face interconnect of vapor chamber, heat radiation fins takes the shape of arc, and the concentric outside of arranging at vapor chamber.

Optionally, the upper weather shield is located the top of below weather shield, the middle part height value of upper weather shield and two below weather shields is higher than the height value of two sections, the middle part position that the upper weather shield is located the protecting crust top.

Optionally, the top of the sealing bottom plate and the ventilation opening at the bottom of the protecting shell are mutually matched, and the density of the material of the floating block is less than 1g/cm ³ 。

The utility model provides a high-performance dry-type transformer, which has the following beneficial effects:

1. according to the high-performance dry-type transformer, the ventilation ports are formed in the upper surface and the lower surface of the protective shell, the protective net is fixedly sleeved in the ventilation ports, the upper ventilation port and the lower ventilation port are arranged to form the convection holes, an air duct is formed conveniently, external air flows through the inner cavity of the protective shell, and the air is discharged rapidly, so that the flow speed of the air is improved, the radiating efficiency can be effectively ensured, and meanwhile, the heat conducting blocks and the soaking plates are utilized, so that the radiating fins are connected to the inner cavity of the protective shell, and the radiating efficiency of the inner cavity of the protective shell can be effectively improved.

2. This high performance dry-type transformer, through the external fixed mounting backup pad that is close to the top in the front and back side of protecting crust, make fixed cover dress top weather shield between two backup pads, simultaneously at the top surface fixed mounting of protecting crust has the below weather shield that is located the top weather shield below, install the perpendicular cross-section between above weather shield and the below weather shield and be curved weather strip, at the in-process of using, can effectively block the rainwater, the cooperation of two ventilation ports simultaneously can avoid the rainwater to pile up in the inside of protecting crust.

Drawings

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

FIG. 2 is a schematic view of the structure of the present utility model;

FIG. 3 is a schematic view of the structure of the upper weather shield of the present utility model;

fig. 4 is a schematic structural view of the floating block of the present utility model.

In the figure: 1. a transformer; 2. a protective shell; 3. a heat conduction block; 4. a chassis; 5. a soaking plate; 6. a heat radiation fin; 7. a ventilation port; 8. a protective net; 9. a support plate; 10. a lower rain shield; 11. a rain shield above; 12. a rain shield; 13. a limit sleeve; 14. a floating block; 15. and (5) a bottom sealing plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 to 3, the present utility model provides a technical solution: a high-performance dry-type transformer comprises a transformer 1, a protective shell 2 is fixedly sleeved outside the transformer 1, a heat conducting block 3 is fixedly arranged on the left and right sides of the inside of the protective shell 2, the protective shell 2 plays a role in protecting, the transformer 1 can be effectively protected, the heat conducting block 3 plays a role in fast heat conduction, the heat conducting block 3 can fast conduct the heat emitted by the transformer 1 to the surface of a soaking plate 5, the soaking plate 5 is utilized to conduct the heat outwards to the outer part of a heat radiating fin 6, the heat radiating fin 6 is used for fast heat radiation, the heat conducting block 3 outwards extends to the outer part of the protective shell 2, the outer side of the heat conducting block 3 and the inner surface of the soaking plate 5 are connected with each other, the heat radiating fin 6 is arc-shaped and concentrically arranged outside the soaking plate 5, the heat radiating fin 6 is arc-shaped, in the use process, the difference is equal to the heat radiating fin 6 vertical to the soaking plate 5, when the external airflow direction is in any direction, the air flow in any direction perpendicular to the radiating fins 6 can enter the inner cavities of the radiating fins 6, all heat on the surfaces of the radiating fins 6 is taken away under the guidance of the radiating fins 6, the soaking plates 5 are fixedly arranged on the left and right sides of the outer part of the protective shell 2, the radiating fins 6 are fixedly arranged on the outer sides of the soaking plates 5, the soaking plates 5 and the radiating fins 6 are arranged, the heat emitted by the inner cavity transformer 1 of the protective shell 2 can be conducted, the radiating efficiency of the inner cavity of the protective shell 2 is conveniently improved, the performance of the transformer is conveniently improved, the dry type transformer is conveniently operated in a long-time high-performance state, the top surface and the bottom surface of the protective shell 2 are provided with ventilation ports 7, the inside of each ventilation port 7 is fixedly sleeved with a protective net 8, the bottom surface of the protective shell 2 is fixedly provided with a bottom frame 4, the upper surface and the lower surface of the protective shell 2 are provided with the ventilation ports 7, and in the using process, the ventilation ports 7 can be utilized to form an airflow channel, so that the heat of the inner cavity of the protective shell 2 is rapidly led out, and the device is convenient to use.

Referring to fig. 4, the present utility model provides a technical solution: the position fixed mounting that is close to the top in front and back of protective housing 2 has backup pad 9, fixed mounting has top weather shield 11 between two backup pads 9, the setting of top weather shield 11 plays the effect that cooperation below weather shield 10 kept off the rain, the inner chamber height Wen Xiangshang of the protective housing 2 of being convenient for simultaneously rises to the outside, the cooperation of top weather shield 11 and below weather shield 10, in the in-process of using, can fully discharge the inner chamber high temperature gas of protective housing 2, top weather shield 11 is located the top of below weather shield 10, the middle part altitude value of top weather shield 11 and two below weather shield 10 is higher than the altitude value of two sections, top weather shield 11 is located the middle part position of protective housing 2 top, top weather shield 11 and below weather shield 10, can carry out abundant outside guide with rainwater to protective housing 2, avoid the rainwater to get into the inner chamber of protective housing 2, influence the inside transformer 1 stable of protective housing 2, the convenient device is in a long time and is in the weather shield 10 that the weather shield 10 is located the weather shield 2, the weather shield 12 is installed to the weather shield 12 side weather shield 12 is provided with in the top surface of the protective housing 2.

The bottom surface of transformer 1 and the top surface of chassis 4 fixed mounting have stop collar 13, the inside movable sleeve of stop collar 13 is equipped with sealing plate 15, the bottom surface fixed mounting of sealing plate 15 has floating piece 14, floating piece 14's setting plays the effect of supporting sealing plate 15 upward movement, in the use, when rainfall is great, when the ponding volume of piling up in chassis 4 bottom is great, ponding can promote floating piece 14 and sealing plate 15 upward movement, sealing plate 15 can preferential horizontal plane contact protective housing 2, the security of shutoff protective housing 2 assurance use is carried out, the top of sealing plate 15 and the scavenge port 7 of protective housing 2 bottom surface mutually support, floating piece 14's material density is less than 1g/cm ³ The limiting sleeve 13 plays a role in limiting the movable range of the sealing bottom plate 15 and can limit the sealing bottom plate 15 can only move up and down in parallel, and can seal the bottom surface of the protective shell 2 through the sealing bottom plate 15.

In summary, when the high-performance dry-type transformer is used, firstly, the transformer 1 in the protective housing 2 heats in the use process, the internal air temperature of the protective housing 2 rises, the high-temperature air can rise upwards, the high-temperature air is discharged through the ventilation port 7 above, the low-temperature air sucked into the outside from the ventilation port 7 below at the same time, temperature interaction is realized, the high-temperature air moving to the upper side of the protective housing 2 can be discharged between the upper rain baffle 11 and the lower rain baffle 10 at the same time, the high-temperature air in the inner cavity part of the protective housing 2 can conduct the temperature to the heat conducting block 3, the heat conducting block 3 is utilized to conduct to the heat equalizing plate 5, and then conduct to the heat radiating fins 6, after the high-temperature air is gathered on the surface of the heat radiating fins 6, the external air flow passes through the surface of the heat radiating fins 6, the heat radiating fins 6 are cooled, the rain blocking plate 12 can effectively block the rainwater to permeate into the interior of the protective housing 2, when the rainfall is large, the accumulated water at the bottom gradually rises, the floating block 14 can push the sealing bottom plate 15 upwards, the sealing bottom plate 15 can be closed to the bottom surface of the protective housing 2 when the horizontal plane approaches to the bottom of the protective housing 2, and then the sealing bottom plate 2 can be sealed.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model 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 therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high performance dry-type transformer, includes transformer (1), the outside fixed cover of transformer (1) is equipped with protective housing (2), its characterized in that: the heat-conducting plate is characterized in that the heat-conducting block (3) is fixedly arranged on the left side and the right side of the inside of the protective shell (2), the soaking plate (5) is fixedly arranged on the left side and the right side of the outside of the protective shell (2), the heat-radiating fins (6) are fixedly arranged on the outer side of the soaking plate (5), the top surface and the bottom surface of the protective shell (2) are provided with the ventilation opening (7), the protective net (8) is fixedly sleeved in the air-ventilation opening (7), and the bottom surface of the protective shell (2) is fixedly provided with the bottom frame (4).

2. A high performance dry-type transformer as claimed in claim 1, wherein: the front and back face of protecting crust (2) is close to the position fixed mounting of top and has backup pad (9), two fixed mounting has top weather shield (11) between backup pad (9), the top surface fixed mounting of protecting crust (2) has below weather shield (10), the bottom surface of top weather shield (11) and the top surface fixed mounting of below weather shield (10) have weather shield (12).

3. A high performance dry-type transformer as claimed in claim 1, wherein: the transformer is characterized in that a limit sleeve (13) is fixedly arranged on the bottom surface of the transformer (1) and the top surface of the underframe (4), a bottom sealing plate (15) is movably sleeved in the limit sleeve (13), and a floating block (14) is fixedly arranged on the bottom surface of the bottom sealing plate (15).

4. A high performance dry-type transformer as claimed in claim 1, wherein: the heat conducting block (3) outwards extends to the outside of the protective shell (2), the outer side of the heat conducting block (3) is connected with the inner face of the soaking plate (5), and the heat radiating fins (6) are arc-shaped and concentrically arranged outside the soaking plate (5).

5. A high performance dry transformer as claimed in claim 2, wherein: the upper rain shield (11) is located above the lower rain shield (10), the height values of the middle parts of the upper rain shield (11) and the two lower rain shields (10) are higher than those of the two sections, and the upper rain shield (11) is located at the middle position above the protective shell (2).

6. A high performance dry transformer according to claim 3, wherein: the top of the bottom sealing plate (15) is mutually matched with the ventilation opening (7) on the bottom surface of the protective shell (2), and the density of the material of the floating block (14) is less than 1g/cm ³ 。