CN211788518U

CN211788518U - Dry-type power transformer with good heat dissipation effect

Info

Publication number: CN211788518U
Application number: CN202020624586.XU
Authority: CN
Inventors: 邹木明
Original assignee: Shenzhen Keming Transformer Co ltd
Current assignee: Shenzhen Keming Transformer Co ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-10-27
Anticipated expiration: 2030-04-22

Abstract

The utility model discloses a dry-type power transformer that radiating effect is good, including insulator and ventilation pipe, insulator one end is connected with the box, box surface mounting has the mounting panel, wherein, the inside first fixture block that is provided with of mounting panel, first fixture block one side is connected with the baffle, baffle one side is provided with the pipeline, the inside second fixture block that is provided with of pipeline. This dry-type power transformer that radiating effect is good, the inside heat of transformer during operation can flow in the pipeline, then in the opening inflow ventilation pipe from the pipeline bottom, last heat is from ventilation pipe flow direction pipeline open end, water on the baffle can drip on the diversion plate surface, then from diversion plate inclined plane flow direction pipeline opening, even water passes from the diversion plate high point, also can flow in the ventilation pipe, then flow out in the round hole of following the ventilation pipe bottom, keep off the cover to one side upset 90 degrees with the check, make check keep off the cover and remove the sponge upper end, just so can directly take out the sponge, thereby be convenient for change the sponge.

Description

Dry-type power transformer with good heat dissipation effect

Technical Field

The utility model relates to a power equipment field specifically is a dry-type power transformer that radiating effect is good.

Background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, main components are a primary coil, a secondary coil and an iron core, and the transformer has the following main functions: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization, etc., and can be classified into: power transformers and special transformers.

At present, the heat dissipation of the existing transformer is mainly to take away heat through a water channel or an oil channel arranged in a machine body and the circulation effect of cooling water or oil, but the heat dissipation mode of a heat dissipation fin is simply adopted, so that the air circulation nearby the transformer is not smooth, and the heat dissipation efficiency is influenced.

The improved dry-type power transformer is provided with the linkage pipeline through the machine body, and the related protection device is arranged inside the pipeline, so that heat inside the dry-type power transformer can be led out of the outside through the pipeline, and the protection device inside the bar and the pipeline can also effectively form certain separation to rainwater and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dry-type power transformer that radiating effect is good to solve present transformer heat dissipation that above-mentioned background art provided and mainly set up water course or oil duct in the fuselage, take away the heat through the circulation effect of cooling water or oil, but adopt the radiating mode of fin alone can make near transformer circulation of air not smooth, influence radiating efficiency's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a dry-type power transformer with good heat dissipation effect comprises an insulator and a ventilation pipe, wherein one end of the insulator is connected with a box body, the surface of the box body is provided with a mounting plate, wherein,

a first fixture block is arranged in the mounting plate, one side of the first fixture block is connected with a partition plate, one side of the partition plate is provided with a pipeline, a second fixture block is arranged in the pipeline, one side of the second fixture block is connected with a baffle plate, one side of the baffle plate is provided with a water diversion plate, and one side of the water diversion plate is connected with a connecting block;

the connecting block is characterized in that a grid blocking cover is arranged on one side of the connecting block, a spring is connected to one side of the grid blocking cover, a connecting piece is connected to one end of the spring, a rotating column is connected to the surface of the connecting piece in a penetrating mode, a ventilating pipe is connected to the bottom of the pipeline, and sponge is arranged inside the ventilating pipe.

Preferably, the mounting panel is provided with two, and is parallel to each other between two mounting panels, and every inside a set of recess that all evenly is provided with of mounting panel, and the horizontal end of mounting panel recess is tangent with first fixture block outer wall, and the vertical opening of mounting panel recess is tangent with the baffle outer wall, installs a baffle between two vertical first fixture blocks.

Preferably, a T-shaped groove is formed in the longitudinal midline position of the pipeline, a quadrilateral opening is formed in the bottom of the pipeline, the baffle, the second fixture block and the pipeline are connected through a clamping groove, the baffle is of a semicircular structure, and a protruded quadrilateral convex block is arranged at the longitudinal midline position of the baffle.

Preferably, the outer wall of the diversion plate is of an arc structure, the arc radian of the outer wall of the diversion plate is the same as that of the arc radian of the inner wall of the pipeline, the surface of the diversion plate is of an inclined structure, the lowest end of the inclined surface of the diversion plate is tangent to the lower end of the inner wall of the pipeline, and the baffle is arranged at the vertical upper end of the inclined surface of the diversion plate.

Preferably, the grid blocking cover is arranged inside the longitudinal middle branching line of the pipeline, the turnover angle of the grid blocking cover along the rotating column is 0-90 degrees, and an elastic pull-back structure is arranged among the grid blocking cover, the spring and the connecting piece.

Preferably, the ventilation pipe is open structure, and the ventilation pipe inner wall is in the same place with the welding of the quadrangle opening outer wall of pipeline bottom, and the ventilation pipe bottom is equipped with the round hole of fretwork, and the inside sponge that is equipped with of ventilation pipe, sponge and check keep off the cover bottom tangent.

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

1. this dry-type power transformer that radiating effect is good's ventilation pipe is open structure, the ventilation pipe inside is equipped with a sponge, fix the ventilation pipe open end at the quadrangle opening of pipeline bottom during the use, put into the ventilation pipe with the sponge after fixed the completion, the inside heat of transformer during operation can flow into the pipeline like this, then in the opening inflow ventilation pipe of pipeline bottom, last heat flows to the pipeline open end from the ventilation pipe to heat in the messenger's transformer can effectual discharge.

2. This dry-type power transformer that radiating effect is good's pipeline open end inner wall's upper and lower end installs baffle and diversion board respectively, will be by baffle and diversion board after the pipeline mouth is poured into to outside rainwater like this, water on the baffle can drip on the diversion board surface, then flow to the pipeline opening from the diversion board inclined plane, and the ventilation pipe bottom is equipped with the round hole of fretwork, even water passes from the diversion board high point like this, also can flow in the ventilation pipe, then flow out in the round hole of following the ventilation pipe bottom, thereby guarantee transformer internal plant's safety.

3. This dry-type power transformer that radiating effect is good's pipeline central zone is provided with check and keeps off the cover, and check keep off the cover size and slightly be less than the interior circle size of pipeline, pull down the baffle earlier when changing the sponge, then keep off the cover with the check and to one side upset 90 degrees, make check keep off the cover and move the sponge upper end, just so can directly take out the sponge to be convenient for change the sponge.

Drawings

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

FIG. 2 is a schematic transverse view of the pipeline of the present invention;

FIG. 3 is a schematic view of the pipeline of the present invention;

fig. 4 is a schematic longitudinal sectional view of the pipeline of the present invention.

In the figure: 1. an insulator; 2. a box body; 3. mounting a plate; 4. a first clamping block; 5. a partition plate; 6. a pipeline; 7. a second fixture block; 8. a baffle plate; 9. a water diversion plate; 10. connecting blocks; 11. a grid cover; 12. a spring; 13. a connecting member; 14. rotating the column; 15. a vent pipe; 16. a sponge.

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. 1-4, the present invention provides a technical solution: a dry-type power transformer with good heat dissipation effect comprises an insulator 1, a box body 2, mounting plates 3, first clamping blocks 4, partition plates 5, a pipeline 6, second clamping blocks 7, baffle plates 8, a water diversion plate 9, connecting blocks 10, a grid baffle cover 11, springs 12, connecting pieces 13, rotating columns 14, ventilation pipes 15 and sponge 16, wherein one end of the insulator 1 is connected with the box body 2, the mounting plates 3 are mounted on the surface of the box body 2, the two mounting plates 3 are arranged and are parallel to each other, a group of grooves are uniformly arranged in each mounting plate 3, the transverse ends of the grooves of the mounting plates 3 are tangent to the outer walls of the first clamping blocks 4, the longitudinal openings of the grooves of the mounting plates 3 are tangent to the outer walls of the partition plates 5, one partition plate 5 is mounted between the two longitudinal first clamping blocks 4, and the two ends of each partition plate 5 are connected with corresponding grooves, the partition plates 5 are uniformly distributed on one side of the opening end of the pipeline 6, so that the partition plates 5 can prevent a part of rainwater from entering the pipeline 6 in rainy days, wherein,

a first clamping block 4 is arranged in the mounting plate 3, a partition plate 5 is connected to one side of the first clamping block 4, a pipeline 6 is arranged on one side of the partition plate 5, a T-shaped groove is formed in the longitudinal midline position of the pipeline 6, a quadrilateral opening is formed in the bottom of the pipeline 6, a baffle 8 and a second clamping block 7 are connected with the pipeline 6 through clamping grooves, the baffle 8 is of a semicircular structure, a protruding quadrilateral lug is arranged on the longitudinal midline position of the baffle 8, the baffle 8 is moved towards the opening end of the pipeline 6 by detaching the baffle 8, the baffle 8 can drive the second clamping block 7 to move in the groove of the pipeline 6 when moving, the baffle 8 is separated from the pipeline 6 after the second clamping block 7 is separated from the groove in the pipeline 6, the second clamping block 7 is arranged in the pipeline 6, the baffle 8 is connected to one side of the second clamping block 7, and a diversion plate 9 is arranged on, the outer wall of the water diversion plate 9 is of an arc structure, the arc radian of the outer wall of the water diversion plate 9 is the same as that of the arc radian of the inner wall of the pipeline 6, the surface of the water diversion plate 9 is of an inclined structure, the lowest end of the inclined plane of the water diversion plate 9 is tangent to the lower end of the inner wall of the pipeline 6, a baffle 8 is arranged at the vertical upper end of the inclined plane of the water diversion plate 9, rainwater can be dripped onto the baffle 8 and the water diversion plate 9 after being poured into the opening of the pipeline 6, water on the baffle 8 can drip onto the surface of the water diversion plate 9 and then flows to the opening;

a grid blocking cover 11 is arranged on one side of the connecting block 10, the grid blocking cover 11 is arranged inside a longitudinal middle branching line of the pipeline 6, the grid blocking cover 11 is turned by 0-90 degrees along a rotating column 14, an elastic pull-back structure is arranged among the grid blocking cover 11, a spring 12 and a connecting piece 13, the baffle 8 is detached, then the grid blocking cover 11 is turned by 90 degrees towards one side, the grid blocking cover 11 is moved to the upper end of the sponge 16, the sponge 16 can be directly taken out, the sponge 16 is convenient to replace, a spring 12 is connected on one side of the grid blocking cover 11, one end of the spring 12 is connected with the connecting piece 13, the surface of the connecting piece 13 is connected with the rotating column 14 in a penetrating way, the bottom of the pipeline 6 is connected with a ventilation pipe 15, the ventilation pipe 15 is of an open structure, the inner wall of the ventilation pipe 15 is welded with the outer wall of a quadrilateral opening at the bottom of the pipeline 6, a, sponge 16 is tangent with check fender cover 11 bottom, and like this after outside rainwater passes baffle 8 and diversion board 9, can be blockked by check fender cover 11, then the rainwater flows down along check fender cover 11, finally can be absorbed by sponge 16 to in further the guarantee rainwater can not get into equipment through pipeline 6, ventilation pipe 15 is inside to be provided with sponge 16.

The working principle is as follows: in the dry-type power transformer with good heat dissipation effect, firstly, the vent pipe 15 is of an open structure, the sponge 16 is arranged in the vent pipe 15, the open end of the vent pipe 15 is fixed at a quadrilateral opening at the bottom of the pipeline 6 when in use, the sponge 16 is placed in the vent pipe 15 after the fixation is finished, so that the heat inside the transformer can flow into the pipeline 6 when in work, then the heat flows into the vent pipe 15 from the opening at the bottom of the pipeline 6, finally the heat flows to the open end of the pipeline 6 from the vent pipe 15, so that the heat in the transformer can be effectively discharged, the baffle plate 8 and the water diversion plate 9 are respectively arranged at the upper end and the lower end of the inner wall of the open end of the pipeline 6 of the transformer, so that external rainwater can be poured into the opening of the pipeline 6 and then be dripped on the surface of the water diversion plate 9, then the water flows to the opening of the, even water passes from the diversion board 9 high point like this, also can flow in the ventilation pipe 15, then flow out in the round hole of ventilation pipe 15 bottom, thereby ensure the safety of transformer internal plant, be provided with check shield 11 in pipeline 6 central zone in addition, and check shield 11 size slightly is less than the circle size in pipeline 6, pull down baffle 8 earlier when changing sponge 16, then with check shield 11 to one side upset 90 degrees, make check shield 11 move to sponge 16 upper end, just so can directly take out sponge 16, thereby be convenient for change sponge 16, this is the characteristics of the dry-type power transformer that the radiating effect is good, the content that does not do not describe in detail in this description belongs to the well-known prior art of professional technical personnel in this field.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a dry-type power transformer that radiating effect is good, includes insulator (1) and ventilation pipe (15), its characterized in that: one end of the insulator (1) is connected with a box body (2), the surface of the box body (2) is provided with a mounting plate (3), wherein,

a first clamping block (4) is arranged in the mounting plate (3), a partition plate (5) is connected to one side of the first clamping block (4), a pipeline (6) is arranged on one side of the partition plate (5), a second clamping block (7) is arranged in the pipeline (6), a baffle (8) is connected to one side of the second clamping block (7), a water diversion plate (9) is arranged on one side of the baffle (8), and a connecting block (10) is connected to one side of the water diversion plate (9);

connecting block (10) one side is provided with check and keeps off cover (11), check keep off cover (11) one side and be connected with spring (12), spring (12) one end is connected with connecting piece (13), connecting piece (13) surface through connection has rotation post (14), pipeline (6) bottom is connected with ventilation pipe (15), ventilation pipe (15) inside is provided with sponge (16).

2. The dry-type power transformer with good heat dissipation effect as recited in claim 1, wherein: mounting panel (3) are provided with two, and are parallel to each other between two mounting panels (3), and every mounting panel (3) is inside all evenly to be provided with a set of recess, and mounting panel (3) recess transverse end is tangent with first fixture block (4) outer wall, and the vertical opening of mounting panel (3) recess is tangent with baffle (5) outer wall, installs a baffle (5) between two vertical first fixture blocks (4).

3. The dry-type power transformer with good heat dissipation effect as recited in claim 1, wherein: pipeline (6) vertical midline position is provided with "T" shape recess, and pipeline (6) bottom is provided with the quadrangle opening, is connected for the draw-in groove between baffle (8) and second fixture block (7) and pipeline (6), and baffle (8) are semicircular structure, is provided with outstanding quadrangle lug on baffle (8) vertical midline position.

4. The dry-type power transformer with good heat dissipation effect as recited in claim 1, wherein: the outer wall of the water diversion plate (9) is of an arc structure, the arc radian of the outer wall of the water diversion plate (9) is the same as that of the arc of the inner wall of the pipeline (6), the surface of the water diversion plate (9) is of an inclined structure, the lowest end of the inclined plane of the water diversion plate (9) is tangent to the lower end of the inner wall of the pipeline (6), and the baffle (8) is arranged at the vertical upper end of the inclined plane of the water diversion plate (9).

5. The dry-type power transformer with good heat dissipation effect as recited in claim 1, wherein: the grid blocking cover (11) is arranged in the longitudinal middle branching line of the pipeline (6), the turning angle of the grid blocking cover (11) along the rotating column (14) is 0-90 degrees, and an elastic pull-back structure is arranged among the grid blocking cover (11), the spring (12) and the connecting piece (13).

6. The dry-type power transformer with good heat dissipation effect as recited in claim 1, wherein: the ventilating pipe (15) is of an open structure, the inner wall of the ventilating pipe (15) is welded with the outer wall of the quadrilateral opening at the bottom of the pipeline (6), the bottom of the ventilating pipe (15) is provided with a hollowed round hole, a sponge (16) is arranged inside the ventilating pipe (15), and the sponge (16) is tangent to the bottom of the grid blocking cover (11).