CN219418707U - Transformer skeleton of pulse filter - Google Patents

Abstract

The utility model discloses a transformer framework of a pulse filter, which comprises a base, wherein a top plate is arranged above the base, a winding groove is connected between the base and the top plate, a magnetic core hole is longitudinally formed in the winding groove, and a through groove is transversely formed in the lower end of the base. According to the utility model, the base, the top plate, the winding grooves, the through grooves, the straight radiating fins and the arc radiating fins are arranged, when the transformer works, the contact area between the transformer framework and air is increased by the arrangement of the straight radiating fins and the arc radiating fins, so that the transformer framework can effectively radiate heat, the arc radiating fins still have a good radiating effect under the condition of limited quantity by the arrangement of the arc radiating fins, the position of the first magnetic core is limited by the arrangement of the arc radiating fins, the rotary displacement of the first magnetic core is avoided, the position of the second magnetic core is limited by the through grooves, the installation of the first magnetic core and the second magnetic core is more stable, and dislocation between the two magnetic cores is avoided.

Description

Transformer skeleton of pulse filter

Technical Field

The utility model relates to the technical field related to pulse filters, in particular to a transformer framework of a pulse filter.

Background

In network pulse transformers, a power inductor is generally required to be used as a main coil, and the power inductor has the ideal characteristic that the larger the current resistance is, the better the current resistance is, and especially under the miniaturization size, the magnetic leakage can be reduced by improving the current resistance, so that the overall electric operation efficiency is improved.

In the prior art, as proposed in publication CN209056363U, the primary side coil and the secondary side coil are electrically connected to the top sections of the primary side terminal and the secondary side terminal, respectively, while the bottom sections of the primary side terminal and the secondary side terminal are electrically connected to the electrical circuit of the printed circuit board, which is easily soldered due to the turning section, and greatly reduces the high frequency impedance; but the work of the transformer generates heat, the temperature of the magnetic cores is increased, so that the effective heat dissipation cannot be obtained, the temperature of a transformer framework is increased, dislocation is easy to occur between the two magnetic cores of the transformer, and the problems of unstable structure and poor parameter consistency of the planar magnetic element are caused.

Disclosure of Invention

The utility model aims to provide a transformer framework of a pulse filter, which aims to solve the problems that heat is generated during working in the prior art, the temperature of a magnetic core is increased and effective heat dissipation cannot be obtained, the temperature of the transformer framework is increased, dislocation is easy to occur between two magnetic cores of the transformer, and the structure of a planar magnetic element is unstable and the consistency of parameters is poor.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a pulse filter's transformer skeleton, includes the base, the base top is provided with the roof, be connected with the wire winding groove between base and the roof, the inside magnetic core hole that has vertically seted up of wire winding groove, the horizontal logical groove of having seted up of base lower extreme, and primary wire outlet groove and secondary wire outlet groove have been seted up respectively to the base both sides, primary wire outlet groove and secondary wire outlet groove lower extreme correspond respectively and are provided with a plurality of primary stitch and secondary stitch, the other both sides of base evenly are provided with straight fin, the roof both sides are fixed with not less than five arc fin respectively.

Preferably, the magnetic core hole is communicated with the through groove.

Preferably, the first magnetic core and the second magnetic core are arranged at two ends of the magnetic core hole, and the first magnetic core and the second magnetic core penetrate through the base, the top plate, the winding groove and the magnetic core hole.

Preferably, the primary pins are separated by primary wire outlet slots, and the secondary pins are separated by secondary wire outlet slots.

Preferably, the widths of the primary wire outlet groove and the secondary wire outlet groove are 1.1mm.

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

the utility model is provided with the base, the top plate, the winding groove, the through groove, the straight radiating fin and the arc radiating fin, when the transformer works, the contact area between the transformer framework and air is increased by the arrangement of the straight radiating fin and the arc radiating fin, so that the transformer framework can effectively radiate heat, the arc radiating fin has a better radiating effect under the condition of limited quantity by the arrangement of the arc radiating fin cambered surface, the position of the first magnetic core is limited by the arrangement of the arc radiating fin cambered surface, the rotary displacement of the first magnetic core is avoided, the position of the second magnetic core is limited by the through groove, the installation of the first magnetic core and the second magnetic core is more stable, and the dislocation between the two magnetic cores is avoided.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a magnetic core installation of the present utility model;

fig. 3 is a top view of the present utility model.

In the figure: 1. a base; 2. a top plate; 3. a wire winding groove; 4. a magnetic core hole; 5. a primary wire outlet slot; 6. a secondary wire outlet slot; 7. a primary stitch; 8. a secondary stitch; 9. straight radiating fins; 10. arc-shaped radiating fins; 11. a first magnetic core; 12. a second magnetic core; 13. and (5) through grooves.

Description of the embodiments

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.

Referring to fig. 1-3, in the embodiment of the utility model, a transformer skeleton of a pulse filter includes a base 1, a top plate 2 is disposed above the base 1, a winding slot 3 is connected between the base 1 and the top plate 2, the winding slot 3 provides a winding space for copper wires in the transformer, the base 1, the top plate 2 and the winding slot 3 together form a main structure of the transformer skeleton, a magnetic core hole 4 is longitudinally formed in the winding slot 3, the magnetic core hole 4 is used for fixing a first magnetic core 11 and a second magnetic core 12 in the transformer, a through slot 13 is transversely formed at the lower end of the base 1, the position of the second magnetic core 12 is limited by the through slot 13, so that the first magnetic core 11 and the second magnetic core 12 are more stably mounted and avoid displacement, the magnetic core hole 4 is communicated with the through slot 13, the two ends of the magnetic core hole 4 are provided with a first magnetic core 11 and the second magnetic core 12, the first magnetic core 1 and the second magnetic core 2 refer to a sintered magnetic metal oxide formed by various iron oxide mixtures for increasing the magnetic induction intensity of an electromagnet, and a magnetic substance body is arranged in a magnetic circuit of an inductor of the transformer, and the first magnetic core 11 and the second magnetic core 12 are arranged in the winding slot 3 and the winding slot 4;

referring to fig. 1-3, two sides of a base 1 are respectively provided with a primary wire outlet slot 5 and a secondary wire outlet slot 6, the primary wire outlet slot 5 and the secondary wire outlet slot 6 provide a wire passing path when a transformer is used for producing winding wires, the lower ends of the primary wire outlet slot 5 and the secondary wire outlet slot 6 are respectively correspondingly provided with a plurality of primary pins 7 and secondary pins 8, the primary pins 7 and the secondary pins 8 are struts wound by copper wires of the transformer and are connected with a PCB board after soldering tin, the transformer works and plays a role in conducting electricity, the primary pins 7 are separated by the primary wire outlet slot 5, the secondary pins 8 are separated by the secondary wire outlet slot 6, and the widths of the primary wire outlet slot 5 and the secondary wire outlet slot 6 are 1.1mm;

referring to fig. 1-3, straight radiating fins 9 are uniformly arranged on the other two sides of the base 1, the contact area between the base 1 and air is increased by the straight radiating fins 9, the heat dissipation of the base 1 is used, at least five arc radiating fins 10 are respectively fixed on the two sides of the top plate 2, the contact area between the top plate 2 and air is increased by the arc radiating fins 10, the heat dissipation of the top plate 2 is used, so that the transformer framework can effectively dissipate heat, the first magnetic cores 11 are arranged on the top plate 2, the number of the arc radiating fins 10 is limited, the arc radiating fins 10 have good heat dissipation effect under the condition that the number of the arc radiating fins 10 is limited, the position of the first magnetic cores 11 is limited by the arc radiating fins 10, the rotary displacement of the first magnetic cores 11 is avoided, the dislocation between the two magnetic cores is avoided, and the problems of unstable magnetic element structure and poor parameter consistency are caused.

The working principle and the using flow of the utility model are as follows: the transformer work produces a large amount of heat, make transformer skeleton temperature rise, the area of contact of transformer skeleton and air has been increased to the setting of straight fin 9 and arc fin 10, be favorable to the heat dissipation of transformer skeleton, make the transformer skeleton obtain effectual heat dissipation, first magnetic core 11 installs on roof 2, make the quantity of installation arc fin 10 receive the restriction, the setting of arc fin 10 cambered surface makes under the limited circumstances of arc fin 10 quantity still have better radiating effect, and the setting of arc fin 10 cambered surface limits the position of first magnetic core 11, avoid first magnetic core 11 to take place rotary displacement, take place the dislocation between the messenger two magnetic cores, lead to the unstable and poor problem of parameter uniformity of magnetic element structure.

Finally, it should be noted that: the above is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that the present utility model is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (5)

1. The utility model provides a transformer skeleton of pulse filter, includes base (1), its characterized in that: the novel high-temperature heat exchanger is characterized in that a top plate (2) is arranged above the base (1), a winding groove (3) is connected between the base (1) and the top plate (2), a magnetic core hole (4) is longitudinally formed in the winding groove (3), through grooves (13) are transversely formed in the lower end of the base (1), primary wire outlet grooves (5) and secondary wire outlet grooves (6) are respectively formed in two sides of the base (1), a plurality of primary pins (7) and secondary pins (8) are respectively and correspondingly arranged at the lower ends of the primary wire outlet grooves (5) and the secondary wire outlet grooves (6), straight radiating fins (9) are uniformly arranged on the other two sides of the base (1), and not less than five arc radiating fins (10) are respectively fixed on two sides of the top plate (2).

2. A transformer skeleton of a pulse filter according to claim 1, characterized in that: the magnetic core hole (4) is communicated with the through groove (13).

3. A transformer skeleton of a pulse filter according to claim 1, characterized in that: the novel magnetic core structure is characterized in that a first magnetic core (11) and a second magnetic core (12) are arranged at two ends of the magnetic core hole (4), and the first magnetic core (11) and the second magnetic core (12) penetrate through the base (1), the top plate (2), the winding groove (3) and the magnetic core hole (4).

4. A transformer skeleton of a pulse filter according to claim 1, characterized in that: the primary pins (7) are separated by primary wire outlet grooves (5), and the secondary pins (8) are separated by secondary wire outlet grooves (6).

5. A transformer skeleton of a pulse filter according to claim 1, characterized in that: the widths of the primary wire outlet groove (5) and the secondary wire outlet groove (6) are 1.1mm.