CN219017381U - Miniature electronic transformer - Google Patents

Abstract

The utility model discloses a miniature electronic transformer, which comprises a lower shell and an upper shell, wherein fixing plates are integrally arranged at two ends of the lower shell and the upper shell, fastening bolts are connected to the surfaces of the fixing plates through screw holes in a threaded mode, hexagonal nuts are connected to one ends of the fastening bolts in a threaded mode after the fastening bolts penetrate through the fixing plates, a transformer main body is placed in the lower shell and the upper shell, clamping plates are arranged at two sides of the transformer main body, and protection pads are adhered to the surfaces of one sides, close to the transformer main body, of the two clamping plates. According to the utility model, through the mutual matching of the clamping plate, the protection pad, the movable column, the limiting block, the spring supporting rod and the limiting spring, on one hand, the transformers with different specifications can be limited and fixed, on the other hand, the stability and the safety of the transformers can be improved, the problem that the wires on the transformers fall off due to vibration is reduced, meanwhile, the protection pad can prevent the transformers from being scratched, and the practicability is stronger, so that the transformer is worthy of popularization.

Description

Miniature electronic transformer

Technical Field

The utility model relates to the technical field of electronic transformers, in particular to a miniature electronic transformer.

Background

The electronic transformer has an electronic device for converting alternating voltage of mains supply into direct current and then forming a high-frequency alternating voltage output through a semiconductor switching device, an electronic element and a high-frequency transformer winding, and is also an alternating-current-direct-current-alternating-current inverter circuit taught in the electronics theory. In brief, it is mainly composed of a high-frequency transformer core (iron core) and two or more coils, which are not changed in position from one or more electric loops, and are converted into alternating voltage and current by alternating current power through electromagnetic induction. And at the output end of the high-frequency transformer, one or more than two power circuits are supplied with high-frequency alternating current or direct current with different voltage levels. At present, most of common miniature electronic transformers are fixed by adopting back adhesive double faced adhesive tape.

The prior art has the following problems:

after a large number of searches, the Chinese patent publication number: CN216054152U discloses a miniature electronic transformer, including the mounting panel, when the installation, presses the transformer main part, can utilize the clamp plate to push down the transformer main part voluntarily, and first spring can also improve the shock resistance of transformer main part, however still has certain shortcoming when the actual installation transformer main part, for example is inconvenient to carry out spacing fixed to the transformer of different specifications, leads to the practicality not ideal, and the problem of the easy fish tail transformer of fixed in-process.

We propose a miniature electronic transformer to solve the above-mentioned drawbacks.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a miniature electronic transformer.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a miniature electronic transformer, includes inferior valve and epitheca, the equal integration in both ends of inferior valve and epitheca is provided with the fixed plate, and the surface of fixed plate has fastening bolt through screw hole threaded connection to threaded connection has hexagonal nut after fastening bolt's one end runs through the fixed plate, the transformer main part has been placed to the inside of inferior valve and epitheca, and the both sides of transformer main part are provided with the grip block to two grip blocks are close to one side surface bonding of transformer main part and have the protection pad, the surface of inferior valve runs through and is provided with the movable column, and the one end of movable column extends to in the inferior valve and keep away from one side surface welding of transformer main part with the grip block, the one end welding that the movable column is located the inferior valve outside has the stopper, be located the outside of movable column between the inner wall of inferior valve and the grip block and cup jointed spacing spring, install the spring support pole through the mounting panel between the inner wall of inferior valve and the grip block, the top surface of epitheca articulates through the hinge has the maintenance lid, and has offered the buckle on the maintenance lid.

Preferably, the heat conducting plates are fixedly arranged on two sides of the inner wall of the lower shell, and the heat radiating fins are fixedly arranged on the outer wall of the lower shell on one side surface of the heat conducting plates.

Preferably, the heat conducting plate and the heat radiating fins are made of copper.

Preferably, the plurality of heat dissipation fins are arranged, and the plurality of heat dissipation fins are equidistantly distributed on one side surface of the heat conduction plate.

Preferably, the clamping plate is of a cuboid structure, and the clamping plate is made of PP.

Preferably, the material of the protection pad is rubber, and the cross-sectional area of the protection pad is the same as that of the clamping plate.

Preferably, the lower shell and the upper shell are of hollow cuboid structures, and the materials of the lower shell and the upper shell are the same as the materials of the clamping plates.

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

1. according to the utility model, through the mutual matching of the clamping plate, the protection pad, the movable column, the limiting block, the spring supporting rod and the limiting spring, on one hand, the transformers with different specifications can be limited and fixed, on the other hand, the stability and the safety of the transformers can be improved, the problem that the wires on the transformers fall off due to vibration is reduced, meanwhile, the protection pad can avoid the transformers from being scratched, and the practicability is stronger, so that the transformer is worthy of popularization.

2. According to the utility model, the heat conducting plate and the radiating fins are arranged, so that the heat conducting plate can conduct heat generated when the transformer works, the heat is transferred to the radiating fins through the heat conducting plate, the heat is dissipated in a convection mode, the heat dissipation effect can be improved due to the arrangement of the plurality of radiating fins, and the transformer is not affected by heat in the working process.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a front view of a micro electronic transformer according to the present utility model;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of the structure of the lower case;

fig. 4 is an enlarged schematic view of a in fig. 1.

Legend description:

1. a lower case; 2. an upper case; 3. a heat radiation fin; 4. a fixing plate; 5. a fastening bolt; 6. a hexagonal nut; 7. an access cover; 8. a handle is buckled; 9. a transformer body; 10. a clamping plate; 11. a protective pad; 12. a movable column; 13. a limiting block; 14. a spring support rod; 15. a limit spring; 16. a heat conducting plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Please refer to fig. 1-4, a miniature electronic transformer, including inferior valve 1 and epitheca 2, both ends of inferior valve 1 and epitheca 2 are all integrated and are provided with fixed plate 4, and the surface of fixed plate 4 has fastening bolt 5 through screw hole threaded connection, and threaded connection has hexagonal nut 6 after fastening bolt 5's one end runs through fixed plate 4, can install inferior valve 1 and epitheca 2 in the back with epitheca 2 inferior valve 2 with epitheca 2, transformer main part 9 has been placed to inferior valve 1 and epitheca 2's inside, and transformer main part 9's both sides are provided with grip block 10, and two grip blocks 10 are close to transformer main part 9's one side surface bonding and have protection pad 11, the surface of inferior valve 1 runs through and is provided with movable post 12, and the one end of movable post 12 extends to one side surface welding of inferior valve main part 9 is kept away from to grip block 10, movable post 12 is located the outside one end welding of inferior valve 1 has stopper 13, be located between inferior valve 1's the inner wall and grip block 10 and the grip block 12 outside, limit spring 15 has been cup jointed, the inside of inferior valve 1 and grip block 12 has been located the outside, the grip block 10, the inside of inferior valve 1 and grip block 10 has been equipped with the front end face of the transformer main part 2 has the protection pad 11, and the front face of the utility model has the safety cover 11, the safety cover is improved, the safety cover can be opened through the improvement of the stability of the utility model, the safety cover is convenient for the maintenance cover is realized, the safety cover is high-guard is high-quality, and the safety cover is easy to be opened, and the safety cover is convenient for the maintenance, and has the safety cover is easy to be opened, and easy to the safety cover.

In this embodiment: the heat conducting plate 16 is fixedly arranged on two sides of the inner wall of the lower shell 1, and the radiating fins 3 are fixedly arranged on the outer wall of the lower shell 1 on one side surface of the heat conducting plate 16.

Specifically, the heat conducting plate 16 can conduct the heat that the transformer during operation produced, and the heat passes through heat conducting plate 16 to radiator fin 3 transmission, adopts the form of convection to distribute the heat, and the setting of multi-disc radiator fin 3 can increase the radiating effect on the one hand, and on the other hand can guarantee that the transformer during operation is not influenced by generating heat.

In this embodiment: the heat-conducting plate 16 and the heat-radiating fins 3 are made of copper.

Specifically, the heat conduction effect and efficiency are improved, and the heat dissipation effect is better.

In this embodiment: the heat dissipation fins 3 are provided with a plurality of heat dissipation fins 3, and the plurality of heat dissipation fins 3 are equidistantly distributed on one side surface of the heat conduction plate 16.

Specifically, the heat dissipation efficiency is further improved.

In this embodiment: the clamping plate 10 is of a cuboid structure, and the clamping plate 10 is made of PP.

Specifically, the production cost is reduced.

In this embodiment: the material of the protection pad 11 is rubber, and the cross-sectional area of the protection pad 11 is the same as that of the clamping plate 10.

In particular, the wear-resistant rubber has good wear resistance and prolonged service life.

In this embodiment: the lower shell 1 and the upper shell 2 are of hollow cuboid structures, and the materials of the lower shell 1 and the upper shell 2 are the same as those of the clamping plate 10.

In particular, the cost is reduced.

In this embodiment: the controller is the existing structure, and control circuit can be realized through the simple programming of the person skilled in the art, belongs to the common sense in the art, only uses it, does not reform transform, so control mode and circuit connection are not described in detail.

Working principle: when the transformer is used, firstly, the transformer main body 9 is placed between the two clamping plates 10, on one hand, the transformers with different specifications can be limited and fixed, on the other hand, the stability and the safety of the transformers can be improved, the problem that wires on the transformers fall off due to vibration can be reduced, meanwhile, the arrangement of the protection pad 11 can avoid the damage to the transformers, the practicability is stronger, the transformer main body 9 is worth popularizing, the fastening bolts 5 are used for fixing the upper shell 2 and the lower shell 1 after being installed in the lower shell 1 and the upper shell 2, finally, the heat conducting plate 16 can conduct heat generated during the working of the transformers, the heat is transferred to the radiating fins 3 through the heat conducting plate 16, the heat is radiated in a convection mode, on the one hand, the radiating effect can be increased, on the other hand, the situation that the transformer is not affected by heating can be ensured in the working process of the transformers is ensured, the service cover 7 is opened by workers to overhaul the transformer main body 9, and convenience during overhaul is improved.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (7)

1. The miniature electronic transformer comprises a lower shell (1) and an upper shell (2), and is characterized in that two ends of the lower shell (1) and the upper shell (2) are integrally provided with a fixed plate (4), the surface of the fixed plate (4) is connected with a fastening bolt (5) through screw threads, one end of the fastening bolt (5) penetrates through the fixed plate (4) and is connected with a hexagonal nut (6) through screw threads, the transformer main body (9) is arranged in the lower shell (1) and the upper shell (2), clamping plates (10) are arranged on two sides of the transformer main body (9), a protection pad (11) is adhered to one side surface of the two clamping plates (10) close to the transformer main body (9), a movable column (12) is arranged on the surface of the lower shell (1) in a penetrating mode, one side surface of the movable column (12) far away from the transformer main body (9) is welded, one end of the movable column (12) located outside the lower shell (1) is welded with a limiting block (13), a limit spring (14) is arranged between the inner wall (1) and the lower shell (1) and the outer side of the lower shell (10) is sleeved with the spring main body (14), the top surface of the upper shell (2) is hinged with an access cover (7) through a hinge, and a buckle (8) is arranged on the access cover (7).

2. The miniature electronic transformer according to claim 1, wherein heat conducting plates (16) are fixedly arranged on two sides of the inner wall of the lower shell (1), and heat radiating fins (3) are fixedly arranged on the outer wall of the lower shell (1) on one side surface of the heat conducting plates (16).

3. A microelectronic transformer according to claim 2, characterized in that the heat conducting plate (16) and the heat radiating fins (3) are both copper.

4. A miniature electronic transformer according to claim 2, characterized in that the heat radiation fins (3) are provided in plurality, and the plurality of heat radiation fins (3) are equidistantly distributed on one side surface of the heat conduction plate (16).

5. The miniature electronic transformer according to claim 1, wherein the clamping plate (10) has a rectangular parallelepiped structure, and the clamping plate (10) is made of PP.

6. A miniature electronic transformer according to claim 1, characterized in that the material of the protective pad (11) is rubber, and the cross-sectional area of the protective pad (11) is the same as the cross-sectional area of the clamping plate (10).

7. The miniature electronic transformer according to claim 1, wherein the lower case (1) and the upper case (2) are hollow cuboid structures, and the lower case (1) and the upper case (2) are made of the same material as the clamping plate (10).

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