CN216528329U

CN216528329U - High-efficient radiating small-size transformer housing

Info

Publication number: CN216528329U
Application number: CN202123141064.8U
Authority: CN
Inventors: 黄丽娟
Original assignee: Yueqing New Essence Plastic Co ltd
Current assignee: Yueqing New Essence Plastic Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-05-13
Anticipated expiration: 2031-12-13

Abstract

The utility model discloses a small transformer shell capable of efficiently dissipating heat, which comprises a shell and a small transformer fixedly arranged in the shell through a mounting rack, wherein two sides of the small transformer are respectively provided with a partition plate, the top ends of the partition plates are fixedly arranged on the inner wall of the top of the shell, a same lead screw is rotatably arranged between the two partition plates, a slide seat is connected onto the lead screw through thread transmission, and the top of the slide seat is slidably arranged on the inner wall of the top of the shell along the horizontal direction. According to the utility model, heat is radiated by the heat radiation motor and the first fan blade in the left-right moving process, so that the moving range of the heat radiation motor and the first fan blade during heat radiation work can be enlarged, uniform heat radiation is facilitated, the situation that the heat radiation in the shell is uneven due to the fact that most of the conventional heat radiation fan assemblies are fixedly installed is avoided, efficient heat radiation is facilitated, the integral heat radiation effect is ensured, and the service life of the miniature transformer is ensured.

Description

High-efficient radiating small-size transformer housing

Technical Field

The utility model relates to the technical field of transformers, in particular to a small transformer shell capable of efficiently dissipating heat.

Background

As is well known, a transformer is a device for changing an ac voltage using the principle of electromagnetic induction, and its main components are a primary coil, a secondary coil, and an iron core; the main functions are as follows: voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization (magnetic saturation transformer), and the like; according to the application, the method can be divided into: power transformers and special transformers (furnace transformers, rectification transformers, power frequency test transformers, voltage regulators, mining transformers, audio transformers, intermediate frequency transformers, high frequency transformers, impact transformers, instrument transformers, electronic transformers, reactors, mutual inductors, etc.).

And some present miniature transformers mostly install in the casing, but the radiating effect of current transformer in inclosed casing is not good mostly, and a lot of radiator fan subassemblies that all adopt relative fixed mounting carry out the radiating, cause inside radiating inhomogeneous like this easily, are difficult to carry out the efficient heat dissipation, influence the radiating effect, and then reduce the life of transformer easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a small transformer shell capable of efficiently dissipating heat.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a small-sized transformer shell capable of efficiently dissipating heat comprises a shell and a small-sized transformer fixedly installed in the shell through an installation frame, wherein partition plates are arranged on two sides of the small-sized transformer, the top ends of the partition plates are fixedly installed on the inner wall of the top of the shell, a same lead screw is rotatably installed between the two partition plates, a sliding seat is connected onto the lead screw through thread transmission, and the top of the sliding seat is installed on the inner wall of the top of the shell in a sliding mode in the horizontal direction; the two sides of the bottom of the sliding seat are fixedly provided with heat dissipation motors, the output shafts of the heat dissipation motors are fixedly provided with a plurality of first fan blades, and the first fan blades are matched with the miniature transformer;

a double-shaft stepping motor is fixedly arranged on the outer side of the partition plate positioned on the left upper side of the small transformer, and a right output shaft of the double-shaft stepping motor rotatably penetrates to the right inner side of the partition plate and is fixedly connected with the left end of the screw rod;

the two ends of the top of the shell are fixedly provided with mounting foot frames, the center of the bottom of the shell is provided with a first heat dissipation opening, and the inner wall of the first heat dissipation opening is fixedly provided with a first heat dissipation dustproof net piece; the left side upper portion of shell is equipped with the second thermovent, and the internal fixed second heat dissipation dust screen piece that has cup jointed of second thermovent, still fixed mounting has a plurality of second flabellums on biax step motor's the left output shaft.

Preferably, a protective ceiling is fixedly mounted at the top of the shell.

Preferably, the sliding seat is provided with a threaded hole, and the sliding seat is in threaded connection with the screw rod through the threaded hole.

Preferably, the top of the sliding seat is fixedly provided with a transverse sliding block, the inner wall of the top of the shell is fixedly provided with a transverse sliding rail, and the transverse sliding block is slidably mounted on the transverse sliding rail along the horizontal direction.

Preferably, a plurality of first flabellums are based on the output of heat dissipation motor and evenly arrange the setting for central ring shape.

Preferably, the right output shaft of the double-shaft stepping motor rotates to penetrate through the right inner side of the partition plate and is fixedly connected with a coupler, and the right output shaft of the double-shaft stepping motor is fixedly connected with the left end of the screw rod through the coupler.

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

1. according to the utility model, the screw rod is driven to rotate forward and backward through the right output shaft of the double-shaft stepping motor, the screw rod transmission principle is utilized, the slide seat can perform left-right thread transmission on the screw rod through the threaded hole, and the heat dissipation motor and the first fan blade are driven to dissipate heat in the left-right movement process when the slide seat moves left and right, so that the moving range of the heat dissipation motor and the first fan blade during heat dissipation work can be enlarged, uniform heat dissipation is facilitated, the situation that the prior heat dissipation fan assembly easily causes uneven heat dissipation inside the shell due to the fact that the heat dissipation fan assembly is mostly fixedly installed is avoided, efficient heat dissipation is facilitated, the integral heat dissipation effect is ensured, and the service life of the miniature transformer is ensured.

2. According to the utility model, the double-shaft stepping motor also drives the second fan blade to rotate through the left output shaft when in work, and the second fan blade can dissipate local heat generated by the double-shaft stepping motor when in work so as to ensure the working stability of the double-shaft stepping motor, and the double-shaft stepping motor has a simple structure and further ensures the overall heat dissipation performance.

Drawings

Fig. 1 is a schematic structural diagram of a casing of a small transformer with efficient heat dissipation according to the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

fig. 3 is a schematic structural view of the heat dissipation motor and the first fan blade of the present invention.

In the figure: 1. a housing; 101. a first heat dissipation port; 102. a first heat dissipation dustproof mesh sheet; 103. a second heat dissipation port; 104. a second heat dissipation dustproof mesh; 2. a miniature transformer; 3. a partition plate; 4. a dual-axis stepper motor; 5. a screw rod; 6. a slide base; 601. a threaded hole; 7. a heat dissipation motor; 8. a first fan blade; 9. a transverse slide block; 10. a transverse slide rail; 11. a second fan blade; 12. a coupling; 13. a protective ceiling.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a small-sized transformer casing with high-efficiency heat dissipation comprises a casing 1 and a small-sized transformer 2 fixedly installed in the casing 1 through an installation frame, wherein partition plates 3 are respectively arranged on two sides of the small-sized transformer 2, the top ends of the partition plates 3 are fixedly installed on the inner wall of the top of the casing 1, a same lead screw 5 is rotatably installed between the two partition plates 3, a slide seat 6 is connected to the lead screw 5 through thread transmission, and the top of the slide seat 6 is slidably installed on the inner wall of the top of the casing 1 along the horizontal direction; the two sides of the bottom of the sliding seat 6 are fixedly provided with a heat dissipation motor 7, the output shaft of the heat dissipation motor 7 is fixedly provided with a plurality of first fan blades 8, and the first fan blades 8 are matched with the miniature transformer 2;

a double-shaft stepping motor 4 is fixedly arranged on the outer side of the partition plate 3 positioned on the left upper side of the miniature transformer 2, and a right output shaft of the double-shaft stepping motor 4 rotatably penetrates through the right inner side of the partition plate 3 and is fixedly connected with the left end of the screw rod 5;

the two ends of the top of the shell 1 are fixedly provided with mounting foot frames, the center of the bottom of the shell 1 is provided with a first heat dissipation port 101, and the inner wall of the first heat dissipation port 101 is fixedly provided with a first heat dissipation dustproof mesh sheet 102; the upper portion of the left side of the shell 1 is provided with a second heat dissipation port 103, a second heat dissipation dustproof mesh piece 104 is fixedly sleeved in the second heat dissipation port 103, and a plurality of second fan blades 11 are further fixedly mounted on the left output shaft of the double-shaft stepping motor 4.

In this example, a protective ceiling 13 is also fixedly mounted on the top of the housing 1.

In this example, a threaded hole 601 is formed in the slide 6, and the slide 6 is in threaded connection with the screw rod 5 through the threaded hole 601.

In this example, a transverse sliding block 9 is fixedly arranged on the top of the sliding seat 6, a transverse sliding rail 10 is fixedly arranged on the inner wall of the top of the housing 1, and the transverse sliding block 9 is slidably mounted on the transverse sliding rail 10 along the horizontal direction.

In this example, the first blades 8 are uniformly arranged around the output end of the heat dissipation motor 7.

In this example, the right output shaft of the dual-shaft stepping motor 4 is rotated to penetrate through the right inner side of the partition plate 3 and is fixedly connected with a coupler 12, and the right output shaft of the dual-shaft stepping motor 4 is fixedly connected with the left end of the screw rod 5 through the coupler 12.

According to the efficient heat dissipation small transformer shell, when the small transformer 2 generates more heat in the working process in the shell 1 and needs heat dissipation, the first fan blade 8 is driven to rotate through the output shaft of the heat dissipation motor 7, so that the heat generated in the working process of the small transformer 2 can be dissipated downwards through the rotation of the first fan blade 8, and then the whole heat can be discharged downwards to the outside through the first heat dissipation port 101; and heat dissipation motor 7 and first flabellum 8 move about going on when the during operation, drive lead screw 5 positive and negative rotation work through the right output shaft of biax step motor 4 promptly, utilize the lead screw transmission principle, can make slide 6 pass through screw hole 601 and control screw thread transmission on lead screw 5, and slide 6 moves about and drives heat dissipation motor 7 and first flabellum 8 again and removes the heat dissipation in-process about moving, and then can enlarge the range of motion when heat dissipation motor 7 and first flabellum 8 dispel the heat, be favorable to evenly dispelling the heat, avoid the radiator fan subassembly in the past to cause the inhomogeneous situation of casing inside heat dissipation to appear because the mode of mostly fixed mounting easily, thereby be favorable to the efficient heat dissipation, whole radiating effect has been ensured, the life of miniature transformer 2 has been ensured.

In addition, the double-shaft stepping motor 4 drives the second fan blade 11 to rotate through the left output shaft when in work, and the second fan blade 11 can dissipate local heat generated by the double-shaft stepping motor 4 when in work so as to ensure the working stability of the double-shaft stepping motor 4.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The efficient heat-dissipation small-sized transformer shell comprises a shell (1) and a small-sized transformer (2) fixedly installed in the shell (1) through an installation frame, and is characterized in that partition plates (3) are arranged on two sides of the small-sized transformer (2), the top ends of the partition plates (3) are fixedly installed on the inner wall of the top of the shell (1), a same lead screw (5) is rotatably installed between the two partition plates (3), a sliding seat (6) is connected to the lead screw (5) through thread transmission, and the top of the sliding seat (6) is slidably installed on the inner wall of the top of the shell (1) along the horizontal direction; the heat dissipation motor (7) is fixedly installed on two sides of the bottom of the sliding seat (6), a plurality of first fan blades (8) are fixedly installed on an output shaft of the heat dissipation motor (7), and the first fan blades (8) are matched with the small transformer (2);

a double-shaft stepping motor (4) is fixedly installed on the outer side of the partition plate (3) positioned on the left upper side of the small transformer (2), and a right output shaft of the double-shaft stepping motor (4) rotatably penetrates to the right inner side of the partition plate (3) and is fixedly connected with the left end of the screw rod (5);

the two ends of the top of the shell (1) are fixedly provided with mounting foot frames, the center of the bottom of the shell (1) is provided with a first heat dissipation opening (101), and the inner wall of the first heat dissipation opening (101) is fixedly provided with a first heat dissipation dustproof mesh (102); the left side upper portion of shell (1) is equipped with second thermovent (103), and fixed cover has connect second heat dissipation dust screen piece (104) in second thermovent (103), still fixed mounting has a plurality of second flabellums (11) on the left output shaft of biax step motor (4).

2. An efficient heat-dissipation small-sized transformer casing as claimed in claim 1, wherein a protective ceiling (13) is further fixedly installed on the top of the outer casing (1).

3. The small-sized transformer casing with high heat dissipation efficiency as recited in claim 1, wherein the sliding base (6) is provided with a threaded hole (601), and the sliding base (6) is in threaded connection with the screw rod (5) through the threaded hole (601).

4. A high-efficiency heat-dissipation small-sized transformer casing as claimed in claim 1, wherein a transverse sliding block (9) is fixedly arranged at the top of the sliding base (6), a transverse sliding rail (10) is fixedly arranged on the inner wall of the top of the casing (1), and the transverse sliding block (9) is slidably mounted on the transverse sliding rail (10) along the horizontal direction.

5. The casing of the small transformer with high heat dissipation efficiency as recited in claim 1, wherein the first fan blades (8) are uniformly arranged around the output end of the heat dissipation motor (7).

6. The casing of the small-sized transformer with high heat dissipation efficiency as recited in claim 1, wherein the right output shaft of the two-shaft stepping motor (4) is rotatably penetrated to the right inner side of the partition plate (3) and is fixedly connected with a coupler (12), and the right output shaft of the two-shaft stepping motor (4) is fixedly connected with the left end of the screw rod (5) through the coupler (12).