CN210865816U

CN210865816U - Dry-type transformer for electric power engineering

Info

Publication number: CN210865816U
Application number: CN201921767386.3U
Authority: CN
Inventors: 张果鑫; 李露露
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-06-26
Anticipated expiration: 2029-10-21

Abstract

The utility model provides a dry-type transformer for electric power engineering belongs to electric power engineering technical field, including the ventilation shell, the exhaust pipe, the intake pipe, the wiring end, the heating panel, an air inlet section of thick bamboo, AC motor, the flabellum, the net sieve, the inner shell, the iron core, the coil, screw ring and heat dissipation strip, the left side below and the upper right side of ventilation shell all imbed to bond there is the exhaust pipe, the upper left side and the right side below embedding of ventilation shell bond there is the intake pipe, two wiring ends of all embedding bonding in the both sides of ventilation shell, four inner walls of ventilation shell all bond through the structure glue has a plurality of heating panels, the equal seamless welding in one side of intake pipe has an air inlet section of. The utility model provides a heating panel sets up around the inner shell, and the surface area that can greatly increased inner shell makes the quick giving out of heat in the inner shell, and the surface area of the increase heating panel that the heat dissipation strip can be further to make the quick heat of taking away heating panel and heat dissipation strip of the air current in the ventilation shell, it is big to have a heat radiating area, and the radiating efficiency is high, advantage such as the heat dissipation is fast.

Description

Dry-type transformer for electric power engineering

Technical Field

The utility model relates to an electric power engineering technical field, it is specific, relate to a dry-type transformer for electric power engineering.

Background

The electric power engineering is the engineering related to the production, transmission and distribution of electric energy, and also includes the engineering of applying electricity as power and energy in various fields in a broad sense, and can be understood as the engineering of transmitting and transforming electricity, the production of electric energy mainly depends on thermal power plants, hydropower stations and nuclear power stations, and the conditional places also use tide, geothermy and wind energy to generate electricity, the transmission and distribution of electric energy are mainly realized by high-voltage and low-voltage alternating current power networks, a plurality of common circuit components exist in the electric power engineering, a transformer is one of the common circuit components, a transformer is a device for changing alternating current voltage by using the principle of electromagnetic induction, the main components are a primary coil, a secondary coil and an iron core, and the main functions are as follows: the transformer can be divided into a dry type transformer and an oil-immersed type transformer, the dry type transformer is widely used in places such as local illumination, high-rise buildings, airports, wharf CNC mechanical equipment and the like, the dry type transformer is simply a transformer with an iron core and a winding which are not immersed in insulating oil, the oil-immersed type transformer takes oil as a main insulating means of the transformer and depends on oil as a cooling medium, such as oil-immersed self cooling, oil-immersed air cooling, oil-immersed water cooling, forced oil circulation and the like, and the dry type transformer in the prior art has the problems of insufficient heat dissipation capacity, insufficient area of a heat dissipation plate and the like. Therefore, it is necessary to provide a dry-type transformer for power engineering by further research on the dry-type transformer.

SUMMERY OF THE UTILITY MODEL

This kind of dry-type transformer for electric power engineering solves the heat-sinking capability that the aforesaid proposed not enough, the not big problem of heating panel area, a dry-type transformer for electric power engineering is provided, heating panel setting among this dry-type transformer is around the inner shell, the surface area of can greatly increased inner shell, make the quick distribution of heat in the inner shell, the surface area of increase heating panel that the heat dissipation strip can be further, thereby make the quick heat of taking away heating panel and heat dissipation strip of the air current in the ventilation shell, it is big to have a heat radiating area, the radiating efficiency is high, advantages such as the heat dissipation is fast.

The utility model provides a following technical scheme: a dry-type transformer for electric power engineering comprises an air ventilation shell, an exhaust pipe, an air inlet pipe, wiring ends, a heat dissipation plate, an air inlet cylinder, an alternating current motor, fan blades, a mesh sieve plate, an inner shell, an iron core, a coil, a threaded ring and heat dissipation strips, wherein the exhaust pipe is embedded and bonded in the left lower part and the right upper part of the air ventilation shell, the air inlet pipe is embedded and bonded in the left upper part and the right lower part of the air ventilation shell, the two wiring ends are embedded and bonded in the two sides of the air ventilation shell, the four inner walls of the air ventilation shell are bonded with a plurality of heat dissipation plates through structural adhesives, the air inlet cylinder is welded in one side of the air inlet pipe in a seamless mode, the alternating current motor is welded in the inner wall of the air inlet cylinder through supporting rods, the fan blades are welded in one side of the alternating current motor, the mesh sieve plate is welded in the inner wall, the both sides of iron core all twine has the coil, and two coils link to each other with four wiring ends respectively, the equal screw thread of wiring end runs through in the centre of two screw rings, the surface of heating panel all welds and is provided with a plurality of heat dissipation strips.

Further preferred embodiments: the heating panel sets up in the top, the bottom and the left and right sides of inner shell, and the heating panel keeps parallel to heating panel interval equidistance evenly distributed.

Further preferred embodiments: the radiating strips are arranged on the plurality of radiating plates in a dog-tooth staggered manner, and the radiating strips are uniformly distributed at intervals and equidistantly.

Further preferred embodiments: the radiating strips are perpendicular to the radiating plates, and the width of each radiating strip is larger than the distance between every two radiating plates.

Further preferred embodiments: the gap between the ventilation shell and the inner shell is kept consistent, and the thicknesses of the ventilation shell and the inner shell are kept consistent.

Further preferred embodiments: the net sieve plate is positioned on one side of the alternating current motor, and the power output end of the alternating current motor is welded with the fan blades.

Has the advantages that: the heat dissipation plate in the utility model is arranged around the inner shell, which can greatly increase the surface area of the inner shell and rapidly dissipate the heat in the inner shell, and the heat dissipation strip can further increase the surface area of the heat dissipation plate, thereby rapidly taking away the heat of the heat dissipation plate and the heat dissipation strip by the airflow in the ventilation shell, and the ventilation shell has the advantages of large heat dissipation area, high heat dissipation efficiency, rapid heat dissipation and the like;

the utility model provides a space forms a circulation between ventilation shell and the inner shell, and the air current that forms is rotated at a high speed to two sets of flabellums blows and blows from the right side to the right side between ventilation shell and inner shell respectively, makes the air current circulation flow between ventilation shell and the inner shell, can increase the velocity of flow of air current from the side, and then further increase heat-sinking capability, makes the quick heat of taking away heating panel and heat dissipation strip of air current.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic left-side sectional view of the present invention.

Fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

Fig. 4 is an enlarged schematic view of the present invention at B in fig. 2.

In FIGS. 1-4: the air-conditioning fan comprises an air ventilation shell 1, an exhaust pipe 2, an air inlet pipe 3, a wiring terminal 4, a heat dissipation plate 5, an air inlet cylinder 6, an alternating current motor 7, fan blades 8, a mesh sieve plate 9, an inner shell 10, an iron core 11, a coil 12, a threaded ring 13 and a heat dissipation strip 14.

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 to 4, in an embodiment of the present invention, a dry-type transformer for electric power engineering includes a ventilation casing 1, an exhaust duct 2, an air inlet pipe 3, terminal plates 4, heat dissipation plates 5, an air inlet cylinder 6, an ac motor 7, fan blades 8, a mesh screen plate 9, an inner casing 10, an iron core 11, a coil 12, a threaded ring 13, and heat dissipation bars 14, the exhaust duct 2 is embedded and bonded on the left lower side and the right upper side of the ventilation casing 1, the air inlet pipe 3 is embedded and bonded on the left upper side and the right lower side of the ventilation casing 1, two terminal plates 4 are embedded and bonded on both sides of the ventilation casing 1, a plurality of heat dissipation plates 5 are bonded on four inner walls of the ventilation casing 1 by structural adhesive, the air inlet cylinder 6 is welded on one side of the air inlet pipe 3, the ac motor 7 is welded on the inner wall of the air inlet cylinder 6 by a strut, the fan blades 8 are welded on one side of the ac motor, the middle of heating panel 5 is welded and is provided with inner shell 10, and the inner wall of inner shell 10 bonds through branch has iron core 11, and the both sides of iron core 11 all twine has coil 12, and two coil 12 link to each other with four wiring ends 4 respectively, and wiring end 4 all threads run through in the centre of two screw ring 13, and the surface of heating panel 5 all welds and is provided with a plurality of heat dissipation strip 14.

Preferably, the heat dissipation plates 5 are arranged at the top, the bottom and the left and right sides of the inner shell 10, the heat dissipation plates 5 are parallel, the heat dissipation plates 5 are uniformly distributed at intervals, the heat dissipation strips 14 are arranged on the plurality of heat dissipation plates 5 in a dog-tooth staggered manner, the heat dissipation strips 14 are uniformly distributed at intervals, the heat dissipation strips 14 are perpendicular to the heat dissipation plates 5, the width of the heat dissipation strips 14 is larger than the distance between the two heat dissipation plates 5, the heat dissipation plates 5 are arranged around the inner shell 10, the surface area of the inner shell 10 can be greatly increased, heat in the inner shell 10 can be rapidly dissipated, the surface area of the heat dissipation plates 5 can be further increased by the heat dissipation strips 14, so that the air flow in the ventilation shell 2 can rapidly take away the heat of the heat dissipation plates 5 and the heat dissipation strips 14, the ventilation shell has the advantages of large heat dissipation area, high heat dissipation efficiency, rapid heat dissipation and the like, the gap between the ventilation shell, space forms a circulation between ventilation shell 1 and inner shell 10, the air current that forms is rotated at a high speed to two sets of flabellums 8, turn right from a left side respectively and blow and turn left from the right side to blow between ventilation shell 1 and inner shell 10, make air current circulation flow between ventilation shell 1 and the inner shell 10, can increase the velocity of flow of air current from the side, and then further increase heat-sinking capability, make the quick heat of taking away heating panel 5 and heat dissipation strip 14 of air current, mesh screen board 9 is located one side of AC motor 7, and AC motor 7's power take off end and flabellum 8 welding.

The working principle is as follows:

use the utility model relates to a during dry-type transformer for electric power engineering, at first, connect four link 4 in the circuit, secondly put through two AC motor 7's power, two AC motor 7 drive two sets of flabellum 8 respectively and rotate at a high speed and form the air current and blow to ventilation shell 1 in, make ventilation shell 1 top turn right from a left side and blow, 1 low part of ventilation shell is from turning left from the right side and blowing, the rethread is respectively through two exhaust pipes 2 discharges, the unable timely exhaust air will flow to the middle of ventilation shell 1, make the air current clockwise at ventilation shell 1 inside flow, the air current blows and takes away the heat to heating panel 5 and heat dissipation strip 14, make heating panel 5 and heat dissipation strip 14 rapid cooling, accomplish cooling work.

The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. The utility model provides a dry-type transformer for electric power engineering, includes ventilation casing (1), exhaust pipe (2), intake pipe (3), wiring end (4), heating panel (5), an air inlet section of thick bamboo (6), alternating current motor (7), flabellum (8), mesh screen board (9), inner shell (10), iron core (11), coil (12), screw ring (13) and heat dissipation strip (14), its characterized in that: the ventilating shell is characterized in that an exhaust pipe (2) is embedded and bonded in the left lower portion and the right upper portion of the ventilating shell (1), an air inlet pipe (3) is embedded and bonded in the left upper portion and the right lower portion of the ventilating shell (1), two wiring ends (4) are embedded and bonded in the two sides of the ventilating shell (1), a plurality of radiating plates (5) are bonded in the four inner walls of the ventilating shell (1) through structural adhesives, an air inlet cylinder (6) is welded in one side of the air inlet pipe (3) in a seamless mode, an alternating current motor (7) is welded in the inner wall of the air inlet cylinder (6) through support rods, fan blades (8) are welded in one side of the alternating current motor (7), a mesh sieve plate (9) is welded in the inner wall of the air inlet cylinder (6), an inner shell (10) is welded in the middle of the radiating plates (5), and an iron core (11) is, the both sides of iron core (11) all twine coil (12), and two coil (12) link to each other with four wiring terminals (4) respectively, wiring terminal (4) equal screw thread runs through in the centre of two screw ring (13), the surface of heating panel (5) all welds and is provided with a plurality of heat dissipation strip (14).

2. The dry-type transformer for electric power engineering according to claim 1, wherein: the heat dissipation plates (5) are arranged at the top, the bottom and the left side and the right side of the inner shell (10), the heat dissipation plates (5) are kept parallel, and the heat dissipation plates (5) are evenly distributed at equal intervals.

3. The dry-type transformer for electric power engineering according to claim 1, wherein: the radiating strips (14) are arranged on the radiating plates (5) in a dog-tooth staggered mode, and the radiating strips (14) are evenly distributed at intervals and at equal intervals.

4. A dry-type transformer for electric power engineering according to any one of claims 1 or 3, characterized in that: the radiating strips (14) are perpendicular to the radiating plates (5), and the width of each radiating strip (14) is larger than the distance between every two radiating plates (5).

5. The dry-type transformer for electric power engineering according to claim 1, wherein: the gap between the ventilation shell (1) and the inner shell (10) is kept consistent, and the thicknesses of the ventilation shell (1) and the inner shell (10) are kept consistent.

6. The dry-type transformer for electric power engineering according to claim 1, wherein: the net sieve plate (9) is positioned on one side of the alternating current motor (7), and the power output end of the alternating current motor (7) is welded with the fan blades (8).