CN220651796U - Inductor capable of bearing heavy current overload - Google Patents

Abstract

The utility model discloses an inductor capable of bearing heavy current overload, which comprises a coil winding and a magnetic core, wherein a first bridging part and a second bridging part are respectively and outwards extended at the upper end and the lower end of the coil winding, a first electrode plate and a second electrode plate are respectively arranged at the tail ends of the first bridging part and the second bridging part, the first bridging part is bent upwards or downwards and enables the first electrode plate to be bent at the end face of the coil winding, and the second bridging part is bent upwards or downwards and enables the second electrode plate to be bent at the end face of the coil winding. The coil windings are not welded or blocked, so that the resistance of the internal circuit is balanced, the temperature is stable when the current is high, the contact area between the electrode plate and the circuit board can be effectively increased, the resistance of the soldered part is reduced, the whole coil windings can bear overload of the high current, the performance is stable, and the quality of the inductor is effectively improved; meanwhile, the whole machine is provided with only two parts, so that the production cost is reduced, the production efficiency is increased, and the actual use requirements of users are effectively met.

Description

Inductor capable of bearing heavy current overload

Technical Field

The utility model relates to the technical field of inductors, in particular to an inductor capable of bearing large current overload.

Background

As is well known, an inductance, also called an inductor, is a component that can convert electrical energy into magnetic energy for storage. The inductor is similar in structure to a transformer, but typically has only one winding.

For example: chinese patent No. CN202120856888.4 discloses an integrated common mode inductor, which has the following main structure: the outer wall of the magnetic core is wound with a first inductance coil and a second inductance coil, the head end of the first inductance coil and the tail end of the second inductance coil are electrically connected with the left electrode plate, and the tail end of the first inductance coil and the head end of the second inductance coil are electrically connected with the right electrode plate; the upper end of the insulating shell is welded with the insulating cover in a hot-melting way. Therefore, the coil and the electrode plate of the inductor are of split design, and the two ends of the coil are welded on the electrode plate or wound on the electrode plate, and as the contact area between the two ends of the coil and the electrode plate is smaller, the resistance is larger, and further, when a large current passes through the connection part between the two ends of the coil and the electrode plate, high temperature is generated, and the connection part is possibly blown, the inside of the inductor is broken, and the inductor is damaged, so that the existing inductor cannot bear larger current overload generally, unstable performance is caused, the application environment of the inductor is limited, and the actual use requirement of a user cannot be met; meanwhile, the existing inductor has the defects of more parts, complex manufacturing and assembling procedures, higher production cost and low manufacturing efficiency, so the defects are obvious, and the inductor capable of bearing large current overload is provided for solving the problems.

Disclosure of Invention

In view of the foregoing deficiencies in the prior art, an object of the present utility model is to provide an inductor capable of withstanding high current overloads.

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

the utility model provides an inductance that can bear heavy current overload, includes coil winding and magnetic core, coil winding twines the magnetic core in its inside, coil winding's transversal is rectangular, coil winding's upper and lower extreme outwards extends respectively has first bridging portion and second bridging portion, first bridging portion and second bridging portion's end is provided with first electrode piece and second electrode piece respectively, first bridging portion upwards or buckle downwards and make first electrode piece buckle in coil winding's terminal surface, second bridging portion upwards or buckle downwards and make second electrode piece buckle in coil winding's terminal surface, the bottom surface of first electrode piece and the bottom surface coplanarity of second electrode piece, wherein, first electrode piece and second electrode piece can direct soldering on the external circuit board.

Preferably, the first electrode sheet and the second electrode sheet are fixed on the magnetic core.

Preferably, the first bridging portion is bent downwards to form a first bending portion and a second bending portion, the second bridging portion is bent downwards to form a third bending portion and a fourth bending portion, and the upper end and the lower end of the coil winding are respectively bent horizontally to form a fifth bending portion and a sixth bending portion which are sequentially connected with the first bridging portion and the second bridging portion.

Preferably, an insulating part is connected or arranged between the first electrode plate and the second electrode plate.

Preferably, the coil winding and the magnetic core are integrally molded in the housing, and the bottom surfaces of the first electrode plate and the second electrode plate protrude from the bottom surface of the housing.

Preferably, the first electrode sheet, the second electrode sheet and the insulating part are combined to form a circular shape, a rectangular shape or an elliptical shape.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, in particular, due to the adoption of the scheme, the first electrode plate, the coil winding, the second bridging part and the second electrode plate are consecutive sheet bodies in sequence from the first electrode plate, the middle is not welded or blocked, the connection points of all parts of the coil winding are effectively reduced, the resistance of all parts of an internal circuit of the inductor is balanced, the temperature of the internal circuit is stable when the internal circuit passes through heavy current, the contact area between the first electrode plate and the second electrode plate can be effectively increased, the whole inductor can bear overload of heavy current, the performance is stable when the inductor is used, the quality of the inductor is effectively improved, and the application environment of the inductor is increased; meanwhile, the whole assembly part has only two parts, so that the number of assembly parts of the inductor is greatly reduced, the production cost is increased, and the production efficiency is increased, so that the actual use requirement of a user is effectively met, and the assembly part has a simple structure, is convenient to operate and has very strong practicability.

Drawings

Fig. 1 is an isometric view of an embodiment of the utility model.

Fig. 2 is a schematic structural view of an insulating part according to an embodiment of the present utility model.

Fig. 3 is an expanded view of a bridge portion according to an embodiment of the present utility model.

Fig. 4 is a schematic structural view of a housing according to an embodiment of the present utility model.

In the figure:

1. a coil winding; 2. a magnetic core; 3. a first bridge portion; 4. a second bridge portion; 5. a first electrode sheet; 6. a second electrode sheet; 7. a first bending part; 8. a second bending part; 9. a third bending part; 10. a fourth bending part; 11. a fifth bending part; 12. a sixth bending part; 13. an insulating part; 14. a housing.

Detailed Description

Embodiments of the utility model are described in detail below with reference to the attached drawings, but the utility model can be implemented in a number of different ways, which are defined and covered by the claims.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper end", "lower end", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, as well as, for example, fixedly coupled, detachably coupled, or integrally coupled, unless otherwise specifically indicated and defined. Either mechanically or electrically. Can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1 to 4, the inductor capable of bearing heavy current overload provided in this embodiment includes a coil winding 1 and a magnetic core 2, the coil winding 1 winds the magnetic core 2 inside, the cross section of the coil winding 1 is rectangular, the upper and lower ends of the coil winding 1 are respectively extended outwards with a first bridging portion 3 and a second bridging portion 4, the ends of the first bridging portion 3 and the second bridging portion 4 are respectively provided with a first electrode sheet 5 and a second electrode sheet 6, the first bridging portion 3 is bent upwards or downwards and makes the first electrode sheet 5 bent at the end face of the coil winding 1, the second bridging portion 4 is bent upwards or downwards and makes the second electrode sheet 6 bent at the end face of the coil winding 1, the bottom face of the first electrode sheet 5 and the bottom face of the second electrode sheet 6 are coplanar, wherein the first electrode sheet 5 and the second electrode sheet 6 can be directly soldered on an external circuit board, and then the whole is fixed on the circuit board.

When the inductor is actually used, the first electrode plate 5 sequentially reaches the first bridging part 3, the coil winding 1, the second bridging part 4 and the first electrode plate 5, and is a coherent sheet body, no welding or blocking connection point is formed in the middle of the first bridging part, so that the connection points of all parts of the coil winding 1 are effectively reduced, the resistance of an internal circuit of the inductor is balanced, the temperature of the internal circuit is stable when the internal circuit passes through large current, the contact area between the first electrode plate 5 and the second electrode plate 6 can be effectively increased, the resistance between the first electrode plate 5 and the second electrode plate 6 and the circuit board is effectively reduced, the temperature of the circuit when the circuit works with large current can be effectively reduced, the resistance of the circuit to the large current is reduced, the inductor can bear the overload of the large current as a whole, the performance is stable when the inductor is used, the quality of the inductor is effectively improved, and the application environment of the inductor is increased; meanwhile, the whole inductor has only two parts, so that the number of assembly parts of the inductor is greatly reduced, the production cost is reduced, the production efficiency is increased, and the actual use requirements of users are greatly met.

Further, the first electrode piece 5 and the second electrode piece 6 of the present embodiment are fixed to the magnetic core 2 by glue. Therefore, the first electrode piece 5 and the second electrode piece 6 are firmly positioned on the magnetic core 2, so that the coil winding 1 and the magnetic core 2 are connected into a whole, the overall firmness is increased, harmful vibration during use can be effectively resisted, and the stability during use of a user is ensured.

Further, the first bridge portion 3 of the present embodiment is bent downward to form a first bent portion 7 and a second bent portion 8, the second bridge portion 4 is bent downward to form a third bent portion 9 and a fourth bent portion 10, and the upper and lower ends of the coil winding 1 are respectively bent horizontally to form a fifth bent portion 11 and a sixth bent portion 12 which are connected with the first bridge portion 3 and the second bridge portion 4 in sequence. The first electrode plate 5 and the second electrode plate 6 are smoothly arranged on the end face of the coil winding 1 by utilizing the arrangement of the bending parts, so that the first electrode plate 5 and the second electrode plate 6 are conveniently soldered and fixed on a circuit board.

Further, an insulating portion 13 is connected or provided between the first electrode tab 5 and the second electrode tab 6 of the present embodiment. The arrangement of the insulating part 13 can effectively prevent the first electrode plate 5 and the second electrode plate 6 from being short-circuited when large current is introduced, the insulativity between the first electrode plate 5 and the second electrode plate 6 is increased, and the stability of a product is improved.

Further, the coil winding 1 and the magnetic core 2 of the present embodiment are integrally injection-molded in the housing 14, and the bottom surfaces of the first electrode sheet 5 and the second electrode sheet 6 protrude from the bottom surface of the housing 14. The cladding setting of utilizing casing 14 can effectively reduce outside water or dust and get into inside the inductance, can protect coil winding 1 and magnetic core 2 inside the inductance simultaneously, prevents that mosquito, mouse from gnawing, also is favorable to packing, the transportation of inductance, reduces the fortune and decreases.

Further, the first electrode tab 5, the second electrode tab 6, and the insulating portion 13 of the present embodiment are combined to form a circular shape or a rectangular shape or an elliptical shape. Therefore, the combination of the first electrode plate 5, the second electrode plate 6 and the insulating part 13 is easier to be embedded into the shell 14 by utilizing the structure, so that the actual packaging and manufacturing of the inductor are facilitated, and external water or dust is prevented from entering the inductor.

The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.

Claims (6)

1. An inductor capable of bearing high current overload, which is characterized in that: the coil winding comprises a coil winding and a magnetic core, wherein the magnetic core is positioned in the coil winding, the cross section of the coil winding is rectangular, a first bridging part and a second bridging part are respectively and outwards extended at the upper end and the lower end of the coil winding, a first electrode plate and a second electrode plate are respectively arranged at the tail ends of the first bridging part and the second bridging part, the first bridging part is upwards or downwards bent, the first electrode plate is bent at the end face of the coil winding, the second bridging part is upwards or downwards bent, the second electrode plate is bent at the end face of the coil winding, the bottom face of the first electrode plate is coplanar with the bottom face of the second electrode plate, and the first electrode plate and the second electrode plate are soldered on an external circuit board.

2. An inductor capable of withstanding high current overloads as defined in claim 1, wherein: the first electrode plate and the second electrode plate are fixed on the magnetic core.

3. An inductor as claimed in claim 1 or 2, wherein the inductor is adapted to withstand high current overloads, and wherein: the first bridging portion is bent downwards to form a first bending portion and a second bending portion, the second bridging portion is bent downwards to form a third bending portion and a fourth bending portion, and the upper end and the lower end of the coil winding are respectively bent horizontally to form a fifth bending portion and a sixth bending portion which are sequentially connected with the first bridging portion and the second bridging portion.

4. An inductor as claimed in claim 1 or 2, wherein the inductor is adapted to withstand high current overloads, and wherein: an insulating part is connected or arranged between the first electrode plate and the second electrode plate.

5. An inductor capable of withstanding high current overloads as defined in claim 1, wherein: the coil winding and the magnetic core are integrally injection molded in the shell, and the bottom surfaces of the first electrode plate and the second electrode plate protrude out of the bottom surface of the shell.

6. An inductor capable of withstanding high current overloads as defined in claim 4, wherein: the first electrode plate, the second electrode plate and the insulating part are combined to form a round shape, a rectangular shape or an oval shape.