CN212485072U

CN212485072U - Cooling structure of dry-type transformer

Info

Publication number: CN212485072U
Application number: CN202021817240.8U
Authority: CN
Inventors: 张正勤
Original assignee: Fujian Minxi Tianrong Transformer Co ltd
Current assignee: Fujian Minxi Tianrong Transformer Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-02-05
Anticipated expiration: 2030-08-27

Abstract

The utility model discloses a cooling structure of dry-type transformer, including the protecting crust, be equipped with the transformer main part in the middle of the protecting crust, protecting crust upper end both sides are equipped with the intake pipe, protecting crust lower extreme both sides are equipped with the outlet duct, intake pipe and outlet duct all are the arc structure, the mouth of pipe of intake pipe and outlet duct is down, two motors of the upper end fixedly connected with of protecting crust, transformer main part upside is equipped with two flabellums, flabellum and motor output end fixed connection, protecting crust upside inner wall is located fixedly connected with electric push rod between two motors, electric push rod top fixedly connected with connecting block, the side fixedly connected with temperature-sensing ware of electric push rod, temperature-sensing ware and electric push rod electric connection, the utility model discloses can automatically increase the inside and external area of intercommunication of protecting crust when the temperature is higher for the radiating effect is better, increases.

Description

Cooling structure of dry-type transformer

Technical Field

The utility model relates to a dry-type transformer field specifically is a cooling structure of dry-type transformer.

Background

The dry-type transformer is widely used in mechanical equipment places such as local illumination, high-rise buildings, airports and the like, mainly comprises an iron core made of silicon steel sheets and coils cast by epoxy resin, an insulation cylinder is prevented between high-voltage coils and low-voltage coils to increase electrical insulation, and the coils are supported and restrained by cushion blocks. Dry-type transformer can produce a large amount of heats when the work, can make inside electric wire and components and parts damage when the high temperature, leads to the unable normal work of transformer, in order to increase the circulation of air, can increase as far as and the outside intercommunication area between, but this can lead to waterproof nature and dustproof ability relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cooling structure of dry-type transformer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cooling structure of dry-type transformer, includes the protecting crust, be equipped with the transformer main part in the middle of the protecting crust, protecting crust upper end both sides are equipped with the intake pipe, protecting crust lower extreme both sides are equipped with the outlet duct, intake pipe and outlet duct all are the arc structure, the mouth of pipe of intake pipe and outlet duct is down, two motors of the upper end fixedly connected with of protecting crust, transformer main part upside is equipped with two flabellums, flabellum and motor output end fixed connection, protecting crust upside inner wall is located fixedly connected with electric push rod between two motors, electric push rod top fixedly connected with connecting block, the side fixedly connected with temperature-sensing ware of electric push rod, temperature-sensing ware and electric push rod electric connection.

Preferably, the two sides of the protective shell are rotatably connected with a plurality of baffles, the baffles are provided with sliding grooves at positions inside the protective shell, and the top ends of the baffles are fixedly connected with rubber.

Preferably, the two sides in the protective shell are provided with driving plates, the driving plates are fixedly connected with a plurality of linkage shafts, each linkage shaft is connected with the inside of the sliding groove in a sliding manner, the upper ends of the driving plates are fixedly connected with connecting plates, and the side ends of the connecting plates are connected with the inner wall of the protective shell in a sliding manner.

Preferably, the inner wall of the upper side of the protective shell is positioned on two sides of the electric push rod and is connected with a moving block in a sliding mode, a first connecting rod is hinged between the moving block and the connecting block, and a second connecting rod is hinged between the moving block and the connecting block.

Compared with the prior art, the beneficial effects of the utility model are that: the motor drives the fan and rotates, drive the inside circulation of air of protecting crust, dispel the heat to the transformer main part, when the temperature is not high, the baffle of both sides is in the closure state, make waterproof nature and dustproof ability better, it is gaseous by the outlet duct outflow again by the intake pipe entering, sense the temperature when exceeding the alert value when temperature-sensing ware, start the electric push rod, the electric push rod drives the connecting block and moves down together, the connecting block drives the movable block through first connecting rod and slides, the movable block drives connecting plate and drive plate downstream through the second connecting rod when gliding, the universal driving shaft slides in the spout this moment, it is rotatory to drive the baffle, increase the inside and external intercommunication area of protecting crust, make the cooling effect better.

Drawings

FIG. 1 is a schematic view of the internal connection structure of the protective shell;

FIG. 2 is a schematic view of the distribution structure of fan blades and connecting blocks.

In the figure: the transformer comprises a protection shell 1, a transformer main body 2, an air inlet pipe 3, an air outlet pipe 4, a baffle 5, a sliding chute 6, a driving plate 7, a linkage shaft 8, a connecting plate 9, rubber 10, fan blades 11, a moving block 12, a connecting block 13, a first connecting rod 14, a second connecting rod 15 and a temperature sensor 16.

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. 1-2, the present invention provides a technical solution: a cooling structure of a dry-type transformer comprises a protective shell 1, a transformer main body 2 is arranged in the middle of the protective shell 1, air inlet pipes 3 are arranged on two sides of the upper end of the protective shell 1, air outlet pipes 4 are arranged on two sides of the lower end of the protective shell 1, the air inlet pipes 3 and the air outlet pipes 4 are both of arc structures, pipe orifices of the air inlet pipes 3 and the air outlet pipes 4 face downwards to prevent water from entering the protective shell 1 along the air inlet pipes 3 and the air outlet pipes 4, two motors are fixedly connected to the upper end of the protective shell 1 and adopt F180, two fan blades 11 are arranged on the upper side of the transformer main body 2, the fan blades 11 are fixedly connected with the output ends of the motors, an electric push rod is fixedly connected between the two motors on the inner wall of the upper side of the protective shell 1, the electric push rod adopts WDTP110, the top end of the electric push rod is fixedly connected with a, when the temperature sensor 16 senses that the temperature exceeds the alarm value, the electric push rod is started.

The both sides of protecting crust 1 are rotated and are connected with a plurality of baffles 5, and baffle 5 is located 1 inside position department of protecting crust and is equipped with

spout

6, and 5 top position fixedly connected with rubbers 10 of baffle, baffle 5 are when closed state, and rubbers 10 are filled the gap between two baffles 5, increase the leakproofness, and when baffle 5 was opened, increase 1 inside and external intercommunication area of protecting crust for the cooling effect is better.

The inside both sides of protecting crust 1 are equipped with drive plate 7, a plurality of universal driving shafts 8 of fixedly connected with on the drive plate 7, in 8 sliding connection of every universal driving shaft and spout 6, the upper end fixedly connected with connecting plate 9 on the drive plate 7, the side of connecting

plate

9 and 1 inner wall sliding connection of protecting crust, slide in spout 6 through universal driving shaft 8 when connecting plate 9 and drive plate 7 remove, drive baffle 5 rotatory, open baffle 5.

The inner wall of the upper side of the protective shell 1 is located on two sides of the electric push rod and is connected with a moving block 12 in a sliding mode, a first connecting rod 14 is hinged between the moving block 12 and a connecting block 13, a second connecting rod 15 is hinged between the moving block 12 and a connecting plate 9, the electric push rod drives the connecting block 13 to move downwards together, the connecting block 13 drives the moving block 12 to slide through the first connecting rod 14, and the moving block 12 drives the connecting plate 9 and the driving plate 7 to move downwards through the second connecting rod 15 in a sliding mode.

The working principle is as follows: the motor drives the fan 11 to rotate, air inside the protective shell 1 is driven to circulate, heat dissipation is carried out on the transformer main body 2, when the temperature is not high, the baffles 5 on the two sides are in a closed state, the waterproof performance and the dustproof performance are better, gas enters from the air inlet pipe 3 and flows out from the air outlet pipe 4, when the temperature sensor 16 senses that the temperature exceeds an alarm value, the electric push rod is started, the electric push rod drives the connecting block 13 to move downwards together, the connecting block 13 drives the moving block 12 to slide through the first connecting rod 14, the moving block 12 drives the connecting plate 9 and the driving plate 7 to move downwards through the second connecting rod 15 when sliding, the linkage shaft 8 slides in the sliding groove 6 at the moment, the baffles 5 are driven to rotate, the baffles 5 are opened, the communication area inside and outside of the protective shell is increased, the cooling effect is better, when the baffles 5 are in the closed state, the rubber 10 fills, the sealing performance is increased.

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

1. The utility model provides a cooling structure of dry-type transformer, includes protecting crust (1), its characterized in that: a transformer main body (2) is arranged in the middle of the protective shell (1), air inlet pipes (3) are arranged on two sides of the upper end of the protective shell (1), the two sides of the lower end of the protective shell (1) are provided with air outlet pipes (4), the air inlet pipe (3) and the air outlet pipes (4) are both arc-shaped structures, the openings of the air inlet pipe (3) and the air outlet pipe (4) face downwards, the upper end of the protective shell (1) is fixedly connected with two motors, two fan blades (11) are arranged on the upper side of the transformer main body (2), the fan blades (11) are fixedly connected with the output end of the motor, an electric push rod is fixedly connected between the two motors on the inner wall of the upper side of the protective shell (1), the utility model discloses an electricity push rod, including electricity push rod, temperature-sensing ware (16), electricity push rod top end fixedly connected with connecting block (13), the side fixedly connected with temperature-sensing ware (16) of electricity push rod, temperature-sensing ware (16) and electricity push rod electric connection.

2. A cooling structure of a dry type transformer according to claim 1, wherein: the two sides of the protective shell (1) are rotatably connected with a plurality of baffles (5), the baffles (5) are arranged in the protective shell (1) and provided with sliding grooves (6), and the top ends of the baffles (5) are fixedly connected with rubber (10).

3. A cooling structure of a dry type transformer according to claim 1, wherein: the improved protective shell is characterized in that drive plates (7) are arranged on two sides inside the protective shell (1), a plurality of linkage shafts (8) are fixedly connected to the drive plates (7), each linkage shaft (8) is slidably connected to the inside of the sliding groove (6), a connecting plate (9) is fixedly connected to the upper end of each drive plate (7), and the side ends of the connecting plate (9) are slidably connected to the inner wall of the protective shell (1).

4. A cooling structure of a dry type transformer according to claim 1, wherein: the inner wall of the upper side of the protective shell (1) is located on two sides of the electric push rod and is connected with a moving block (12) in a sliding mode, a first connecting rod (14) is hinged between the moving block (12) and the connecting block (13), and a second connecting rod (15) is hinged between the moving block (12) and the connecting plate (9).