CN217280340U

CN217280340U - Modular power transformer

Info

Publication number: CN217280340U
Application number: CN202220031210.7U
Authority: CN
Inventors: 吴升腾; 付晓红
Original assignee: Longyan Lianhe Electronic Technology Co ltd
Current assignee: Longyan Lianhe Electronic Technology Co ltd
Priority date: 2022-01-07
Filing date: 2022-01-07
Publication date: 2022-08-23
Anticipated expiration: 2032-01-07

Abstract

The utility model belongs to the technical field of power transformer, concretely relates to modular power transformer, including additional base, the power transformer body has been placed in the additional base, air inlet duct and exhaust duct have been seted up in the additional base, the air inlet duct runs through additional base, the air inlet duct communicates with each other with the exhaust duct, fixedly connected with heat conduction aluminum pad in the additional base, heat conduction aluminum pad and this body contact of power transformer. The utility model discloses an additional base of bottom design at power transformer body, then design parts such as exhaust duct, heat conduction aluminium pad, fin, air inlet duct, exhaust fan, installation piece, recess on the basis of additional base, utilize heat conduction aluminium pad and fin to carry out the heat exchange with the heat on the power transformer body, then utilize the exhaust fan to take away the heat, play fine radiating action to the power transformer body, prolong the life of power transformer body.

Description

Modular power transformer

Technical Field

The utility model relates to a power transformer technical field specifically is a modular power transformer.

Background

The power transformer functions as power transmission, voltage conversion and insulation isolation, and is widely applied to power supply technology and power electronic technology as a main soft magnetic electromagnetic component. However, when the existing power transformer works, the influence of the ambient temperature and the heat generated by the working of the transformer cause the temperature of the transformer to be very high, which may cause the transformer to be burnt. Therefore, improvements are needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a modular power transformer has solved current power transformer during operation, receives ambient temperature's influence and still has transformer self work to be the heat that produces, makes the transformer temperature very high, probably leads to the problem that the transformer burns out.

In order to achieve the above object, the utility model provides a following technical scheme: a modular power transformer comprises an additional base, a power transformer body is placed in the additional base, an air inlet duct and an air exhaust duct are formed in the additional base, the air inlet duct penetrates through the additional base, the air inlet duct is communicated with the air exhaust duct, a heat-conducting aluminum pad is fixedly connected in the additional base and is in contact with the power transformer body, fins are fixedly connected to the bottom of the heat-conducting aluminum pad, an exhaust fan is connected in the air exhaust duct in a sliding mode, two mounting pieces which are symmetrically distributed are fixedly connected to the exhaust fan, the mounting pieces are mounted with the additional base through screws, four fixed shafts which are uniformly distributed are fixedly connected to the edge of the upper end of the additional base, a rotating plate is rotatably connected to the outer portion of each fixed shaft, the rotating plate is in contact with the additional base and the power transformer body, and a sleeve is fixedly connected to the rotating plate, the improved transformer is characterized in that a retaining ring is connected in the sleeve in a sliding mode and is in contact with the rotating plate, a positioning pin is fixedly connected in the retaining ring, the positioning pin penetrates through the sleeve and the rotating plate and is in sliding connection with the sleeve and the rotating plate, the positioning pin is in sliding connection with the power transformer body, a spring is sleeved outside the positioning pin, and a pull block is fixedly connected to the top of the positioning pin.

Preferably, one end of the spring is fixedly connected with the baffle ring, and the other end of the spring is fixedly connected to the inner surface of the sleeve.

Preferably, the top of fixed axle fixedly connected with stopper, the stopper contacts with the commentaries on classics board.

Preferably, the additional base is provided with two symmetrically distributed grooves, and the mounting pieces are contacted in the grooves.

Preferably, the number of the fins is multiple, and the multiple fins are uniformly distributed at the bottom of the heat-conducting aluminum pad.

Preferably, the power transformer body is provided with a positioning hole, and the positioning hole is connected with a positioning pin in a sliding manner.

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

1. the utility model discloses an additional base of bottom design at power transformer body, then design parts such as exhaust duct, heat conduction aluminium pad, fin, air inlet duct, exhaust fan, installation piece, recess on the basis of additional base, utilize heat conduction aluminium pad and fin to carry out the heat exchange with the heat on the power transformer body, then utilize the exhaust fan to take away the heat, play fine radiating action to the power transformer body, prolong the life of power transformer body.

2. The utility model discloses a design fixed axle, commentaries on classics board, sleeve, fender ring, locating pin, locating hole, draw parts such as piece, spring, stopper between power transformer body and additional base, can be so that realize fast assembly and location, simple and convenient between power transformer body and additional base.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

fig. 2 is a front cross-sectional view of fig. 1 of the present invention;

fig. 3 is an enlarged view of the a-portion structure of fig. 2 according to the present invention.

In the figure: 1. an additional base; 2. an air inlet duct; 3. a thermally conductive aluminum pad; 4. a fin; 5. an exhaust duct; 6. an exhaust fan; 7. mounting a sheet; 8. a groove; 9. a fixed shaft; 10. rotating the plate; 11. a sleeve; 12. positioning pins; 13. a baffle ring; 14. pulling the block; 15. a spring; 16. positioning holes; 17. a power transformer body; 18. and a limiting block.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, a modular power transformer includes an additional base 1, a power transformer body 17 is disposed in the additional base 1, an air inlet duct 2 and an air outlet duct 5 are disposed in the additional base 1, the air inlet duct 2 penetrates the additional base 1, the air inlet duct 2 is communicated with the air outlet duct 5, a heat conductive aluminum pad 3 is fixedly connected in the additional base 1, the heat conductive aluminum pad 3 is in contact with the power transformer body 17, fins 4 are fixedly connected to the bottom of the heat conductive aluminum pad 3, an exhaust fan 6 is slidably connected in the air outlet duct 5, two symmetrically distributed mounting plates 7 are fixedly connected to the exhaust fan 6, the mounting plates 7 are mounted to the additional base 1 by screws, four uniformly distributed fixing shafts 9 are fixedly connected to the upper end edge of the additional base 1, a rotating plate 10 is rotatably connected to the outside of the fixing shafts 9, the rotating plate 10 is in contact with both the additional base 1 and the power transformer body 17, fixedly connected with sleeve 11 on changeing board 10, sliding connection has fender ring 13 in sleeve 11, keeps off ring 13 and commentaries on classics board 10 contact, keeps off fixedly connected with locating pin 12 in the ring 13, locating pin 12 run through sleeve 11 with change board 10 and with sleeve 11 with change board 10 sliding connection, locating pin 12 and power transformer body 17 sliding connection, spring 15 has been cup jointed to the outside of locating pin 12, the top fixedly connected with of locating pin 12 draws piece 14.

Referring to fig. 3, one end of the spring 15 is fixedly connected to the stopper 13, and the other end of the spring 15 is fixedly connected to the inner surface of the sleeve 11. The spring 15 is designed to facilitate the application of a spring force to the detent pin 12.

Referring to fig. 2, a limiting block 18 is fixedly connected to the top of the fixed shaft 9, and the limiting block 18 contacts with the rotating plate 10. The limiting block 18 is designed to limit the rotating plate 10.

Referring to fig. 2, the additional base 1 is formed with two symmetrically distributed grooves 8, and the grooves 8 are internally contacted with the mounting pieces 7. Through the design of recess 8, the holding of installation piece 7 is convenient for.

Referring to fig. 2, the number of the fins 4 is multiple, and the multiple fins 4 are uniformly distributed at the bottom of the heat conductive aluminum pad 3. By the design of the fins 4, the heat exchange capacity of the thermally conductive aluminum pad 3 can be increased.

Referring to fig. 3, a positioning hole 16 is formed on the power transformer body 17, and a positioning pin 12 is slidably connected in the positioning hole 16. Through the design of locating hole 16, with locating pin 12 cooperation, can be fixed power transformer body 17 with additional base 1.

The utility model discloses the concrete implementation process as follows: in use, in the initial condition, the positioning pin 12 is in abutment with the additional base 1, while the spring 15 is in compression. The power transformer body 17 is placed on the additional base 1, the bottom of the power transformer body 17 contacts the heat-conducting aluminum pad 3 at the moment, then the pulling block 14 is pulled, the rotating plate 10 rotates by taking the fixed shaft 9 as an axis, when the positioning pin 12 and the positioning hole 16 on the power transformer body 17 are on the same central line, then the pulling block 14 is loosened, the spring 15 resets to push the baffle ring 13 to reset at the moment, the baffle ring 13 drives the positioning pin 12 to reset, the positioning pin 12 enters the positioning hole 16 at the moment, then other positioning pins 12 are matched with the positioning hole 16 by the same operation, so that the power transformer body 17 and the additional base 1 can be quickly assembled and positioned, the operation is simple and convenient, when the power transformer body 17 works, the heat of the power transformer body can exchange heat with the heat-conducting aluminum pad 3 and the fins 4, the exhaust fan 6 is started at the moment, the exhaust fan 6 extracts the air in the air inlet duct 2 and the air inlet duct 5, the air inlet duct 2 and the air outlet duct 5 are enabled to generate negative pressure, external air enters from the air inlet duct 2 at the moment, heat of the heat conduction aluminum pad 3 and the fins 4 is taken away, a good heat dissipation effect is achieved on the power transformer body 17, and the service life of the power transformer body 17 is prolonged.

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. A modular power transformer comprising an additional base (1), characterized in that: a power transformer body (17) is placed in the additional base (1), an air inlet duct (2) and an air exhaust duct (5) are formed in the additional base (1), the air inlet duct (2) penetrates through the additional base (1), the air inlet duct (2) is communicated with the air exhaust duct (5), a heat-conducting aluminum pad (3) is fixedly connected in the additional base (1), the heat-conducting aluminum pad (3) is in contact with the power transformer body (17), fins (4) are fixedly connected at the bottom of the heat-conducting aluminum pad (3), an exhaust fan (6) is slidably connected in the air exhaust duct (5), two mounting pieces (7) which are symmetrically distributed are fixedly connected on the exhaust fan (6), the mounting pieces (7) are mounted on the additional base (1) through screws, and four fixing shafts (9) which are uniformly distributed are fixedly connected at the upper end edge of the additional base (1), the outside of fixed axle (9) is rotated and is connected with commentaries on classics board (10), commentaries on classics board (10) all contacts with additional base (1) and power transformer body (17), fixedly connected with sleeve (11) on commentaries on classics board (10), sliding connection has fender ring (13) in sleeve (11), fender ring (13) and commentaries on classics board (10) contact, fixedly connected with locating pin (12) in fender ring (13), locating pin (12) run through sleeve (11) and commentaries on classics board (10) and with sleeve (11) and commentaries on classics board (10) sliding connection, locating pin (12) and power transformer body (17) sliding connection, spring (15) have been cup jointed to the outside of locating pin (12), the top fixedly connected with pull block (14) of locating pin (12).

2. The modular power transformer as claimed in claim 1, wherein: one end of the spring (15) is fixedly connected with a baffle ring (13), and the other end of the spring (15) is fixedly connected to the inner surface of the sleeve (11).

3. The modular power transformer as claimed in claim 1, wherein: the top of the fixed shaft (9) is fixedly connected with a limiting block (18), and the limiting block (18) is in contact with the rotating plate (10).

4. The modular power transformer as claimed in claim 1, wherein: two symmetrically distributed grooves (8) are formed in the additional base (1), and mounting pieces (7) are contacted in the grooves (8).

5. The modular power transformer as claimed in claim 1, wherein: the number of the fins (4) is multiple, and the fins (4) are uniformly distributed at the bottom of the heat conduction aluminum pad (3).

6. The modular power transformer as claimed in claim 1, wherein: the power transformer is characterized in that a positioning hole (16) is formed in the power transformer body (17), and a positioning pin (12) is connected in the positioning hole (16) in a sliding mode.