CN212648015U - Three-phase oil-immersed transformer - Google Patents

Abstract

The utility model discloses a three-phase oil-immersed transformer, which comprises a protection box body, wherein a buffering heat dissipation structure is arranged in the protection box body; buffering heat radiation structure includes: box lid, four slide rails, a plurality of supporting spring, fixed plate, transformer and radiator unit, the utility model relates to a transformer technical field, the buffering heat radiation structure that the present case adopted installs the transformer on the fixed plate through opening the box lid, by the supporting spring buffering of installing between fixed plate and protection box, reduces because of taking place to rock the transformer that causes and damages, can extract external air to the protection box internal through radiator unit, again with inside steam discharge, effectual solution transformer influences the technical problem of working property because of the temperature is higher.

Description

Three-phase oil-immersed transformer

Technical Field

The utility model relates to a transformer technical field specifically is three-phase oil-immersed transformer.

Background

The three-phase oil-immersed transformer adopts a fully-filled sealed corrugated oil tank shell, and is a permanently sealed oil tank by adapting to the expansion of oil through the elasticity of the oil, and the oil-immersed transformer is widely applied to various distribution equipment.

The existing oil-immersed transformer mainly comprises an oil tank, a winding, an iron core, a low-voltage sleeve and a high-voltage sleeve, wherein the winding and the iron core are accommodated in the oil tank, the low-voltage sleeve and the high-voltage sleeve are installed on the oil tank, a plurality of radiating fins which are arranged at intervals along the transverse direction are arranged on the side wall of the oil tank, the heat of the side wall of the oil tank is actually mainly concentrated in the middle part and gradually attenuated from the middle part, although the heat of the transformer can be radiated to the external environment through the radiating fins in a heat transfer mode, the temperature of the middle part of the side wall is still higher than the peripheral temperature, the static radiating mode has poor radiating effect, so that the temperature of the transformer is higher, and the working performance is influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a three-phase oil-immersed transformer has solved current oil-immersed transformer and has not had buffer function, receives the technical problem that external force damaged easily when taking place to rock

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the three-phase oil-immersed transformer comprises a protection box body, wherein a buffering heat dissipation structure is arranged in the protection box body;

buffering heat radiation structure includes: the box body cover, four slide rails, a plurality of supporting springs, a fixing plate, a transformer and a heat dissipation assembly;

the box lid is located protection box upper end, and four equal fixed mounting of slide rail are in protection box lower extreme lateral wall face four corners department, and the equal fixed mounting of a plurality of supporting spring is in wall department under the protection box, and wall department and a plurality of supporting spring upper end are connected and the activity is gone to inlay the dress in four slide rails under the fixed plate, and transformer fixed mounting is on the fixed plate, and radiator unit inlays the dress in the protection box.

Preferably, the heat dissipating assembly includes: four fixed sleeves, four heat dissipation fans and a plurality of exhaust holes;

four fixed sleeves are respectively embedded in two side walls of the protection box body, four heat dissipation fans are fixedly arranged in the four fixed sleeves, and a plurality of exhaust holes are respectively positioned on the outer wall surfaces of the periphery of the protection box body.

Preferably, the box cover is provided with a fixing screw.

Preferably, a first flashing is arranged outside the fixed sleeve.

Preferably, a second flashing is arranged outside the air outlet.

Preferably, a dustproof net is arranged outside the heat dissipation fan.

Advantageous effects

The utility model provides a three-phase oil-immersed transformer. The transformer protection box has the advantages that the transformer is installed on the fixing plate by opening the box body cover, the supporting spring installed between the fixing plate and the protection box body is used for buffering, transformer damage caused by shaking is reduced, external air can be extracted into the protection box body through the heat dissipation assembly, and then internal hot air is exhausted, so that the technical problem that working performance of the transformer is affected due to high temperature is effectively solved.

Drawings

Fig. 1 is the utility model discloses three-phase oil-immersed transformer's main structure schematic view.

Fig. 2 is the utility model discloses three-phase oil-immersed transformer overlook the structure schematic diagram.

Fig. 3 is the utility model discloses three-phase oil-immersed transformer's local enlarged schematic diagram of main structure of looking.

In the figure: 1-protecting the box body; 2-box cover; 3-a slide rail; 4-a support spring; 5, fixing a plate; 6-a transformer; 7-fixing the sleeve; 8-a heat dissipation fan; 9-air vent; 10-a set screw; 11-a first flashing; 12-a second flashing; 13-dust screen.

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.

Referring to fig. 1-3, the present invention provides a technical solution: the three-phase oil-immersed transformer comprises a protection box body 1, wherein a buffering heat dissipation structure is arranged in the protection box body 1;

in the specific implementation process, the buffering heat dissipation structure comprises: the box body cover 2, four slide rails 3, a plurality of supporting springs 4, a fixed plate 5, a transformer 6 and a heat dissipation assembly; the connection relationship is as follows:

the box cover 2 is located the 1 upper end of protection box, and four equal fixed mounting of slide rail 3 are in the 1 lower extreme lateral wall four corners department of protection box, and the equal fixed mounting of a plurality of supporting spring 4 is in the 1 interior lower wall department of protection box, and fixed plate 5 lower wall department is connected and the activity is gone to inlay the dress in four slide rails 3 with a plurality of supporting spring 4 upper ends, and 6 fixed mounting of transformer is on fixed plate 5, and radiator unit inlays the dress in protection box 1.

In a specific implementation process, the heat dissipation assembly comprises: four fixed sleeves 7, four heat dissipation fans 8 and a plurality of exhaust holes 9; the connection relationship is as follows:

four fixed sleeves 7 are respectively embedded in two side walls of the protection box body 1, four heat dissipation fans 8 are respectively and fixedly installed in the four fixed sleeves 7, and a plurality of exhaust holes 9 are respectively positioned on the outer wall surfaces of the periphery of the protection box body 1.

In use, open box cover 2 by the staff, with transformer 6 fixed mounting on fixed plate 5, when taking place to rock, fixed plate 5 reciprocates in four slide rails 3 under a plurality of supporting spring 4's effect, effectual reduction transformer 6 causes transformer 6 to damage because of taking place to rock, rotate through four heat dissipation fans 8 of installing in four fixed sleeves 7, extract external air to protection box 1 in, the steam that will protect in the box 1 again passes through exhaust hole 9 and carries to protection box 1 outside, the realization is cooled down transformer 6 in the protection box 1, thereby reach and reduce transformer 6 temperature, improve transformer 6's working property's purpose.

In the specific implementation process, further, the box cover 2 is provided with a fixing screw 10 for fixing the box cover 2.

In the specific implementation process, furthermore, a first rain shielding plate 11 for preventing rainwater from entering is arranged outside the fixed sleeve 7.

In the specific implementation process, furthermore, a second rain shielding plate 12 for preventing rainwater from entering is arranged outside the exhaust hole 9.

In the specific implementation process, furthermore, a dustproof net 13 with a dustproof function is arranged outside the heat dissipation fan 8.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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 (6)

1. The three-phase oil-immersed transformer comprises a protection box body (1), and is characterized in that a buffering heat dissipation structure is arranged in the protection box body (1);

buffering heat radiation structure includes: the box body cover (2), four sliding rails (3), a plurality of supporting springs (4), a fixing plate (5), a transformer (6) and a heat dissipation assembly;

box lid (2) are located protection box (1) upper end, the equal fixed mounting in protection box (1) lower extreme lateral wall four corners department in four slide rails (3), the equal fixed mounting of a plurality of supporting spring (4) is in protection box (1) lower wall face department, fixed plate (5) lower wall face department and a plurality of supporting spring (4) upper end are connected and the activity goes to inlay the dress in four slide rails (3), transformer (6) fixed mounting is on fixed plate (5), radiator unit inlays the dress in protection box (1).

2. The three-phase oil filled transformer of claim 1, wherein the heat sink assembly comprises: four fixed sleeves (7), four heat dissipation fans (8) and a plurality of exhaust holes (9);

four fixed sleeves (7) are respectively embedded in two side wall surfaces of the protection box body (1), four heat dissipation fans (8) are respectively and fixedly installed in the four fixed sleeves (7), and a plurality of exhaust holes (9) are respectively positioned on the outer wall surfaces of the periphery of the protection box body (1).

3. The three-phase oil-filled transformer according to claim 1, wherein the box cover (2) is provided with a set screw (10).

4. Three-phase oil filled transformer according to claim 2, characterized in that a first flashing (11) is arranged outside the fixation sleeve (7).

5. Three-phase oil filled transformer according to claim 2, characterized in that a second flashing (12) is arranged outside the gas outlet hole (9).

6. The three-phase oil-filled transformer according to claim 2, wherein a dust screen (13) is arranged outside the heat dissipation fan (8).

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