CN217562361U - Oval skeleton and inductor, transformer - Google Patents

Abstract

The utility model discloses an oval framework, an inductor and a transformer, wherein the oval framework comprises an oval framework main body and end blades, the oval framework main body is in a cylindrical shape with an oval cross section, and a plurality of ventilation holes are arranged on the cylindrical wall; the end part blade is in an elliptical ring shape, and the shape and the size of an inner ring of the elliptical ring are consistent with those of the inner cylinder wall of the elliptical framework; the two end blades are respectively arranged at two ends of the oval framework main body; and the outer end face of the end blade is provided with a clamping groove and/or a clamping protrusion for fixing the magnetic core. The design of oval skeleton and ventilation hole has bigger heat radiating area and airflow channel, can promote the radiating effect of product by a wide margin, and then promotes the work efficiency of product, and is corresponding, and the life of product obtains the extension, and the quality of product is protected better. Moreover, this design is more convenient processing, and makes the volume that is favorable to reducing the product that uses this skeleton because of the promotion of radiating effect.

Description

Oval skeleton and inductor, transformer

Technical Field

The utility model belongs to the technical field of inductor, transformer structural design technique and specifically relates to the structural design of the oval skeleton that adopts in inductor, the transformer.

Background

Currently, the market demand for high-power and high-current transformers and inductance products is large, and the energy efficiency problem increasingly becomes a focus problem in product design. Therefore, energy-saving design of new energy electronic products has become a necessary and urgent issue.

The bobbin is an important component of the main structure of the inductor/transformer, which provides a winding base for the lead of the inductor/transformer and is used for fixing the iron core in the inductor/transformer, and the structural design of the bobbin has a great influence on the energy efficiency of the product, so that there is a need to improve the structural design of the bobbin.

It is to be noted that the information disclosed in the above background section is only for understanding the background of the present application and thus may include information that does not constitute prior art known to a person of ordinary skill in the art.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the embodiment of the application provides an elliptical skeleton, which comprises an elliptical skeleton main body and end blades, wherein the elliptical skeleton main body is in a cylindrical shape with an elliptical cross section, and a plurality of vent holes are formed in the cylindrical wall;

the end part blade is in an elliptical ring shape, and the shape and the size of an inner ring of the elliptical ring are consistent with those of the inner cylinder wall of the elliptical framework; the two end blades are respectively arranged at two ends of the oval framework main body;

and the outer end face of the end blade is provided with a clamping groove and/or a clamping protrusion for fixing the magnetic core.

The utility model discloses can also adopt following optional/preferred scheme:

the ventilation holes are arranged in rows, multiple rows are formed, and the row spacing is the same.

The vent is a square vent.

When the square ventilation hole is rectangular, the short edge of the square ventilation hole is parallel to the axial direction of the oval framework main body.

And the outer end face of the end blade is provided with a clamping groove and a clamping protrusion for fixing the magnetic core.

The end face of the end blade is uniformly and alternately arranged along the circumferential direction.

The utility model also provides an inductor or a transformer, which comprises a framework, a magnetic core and a winding, wherein the framework is an elliptic framework as described in any one of the above; the magnetic core comprises an upper cover magnetic core, a lower cover magnetic core and a magnetic core middle column; the periphery coiling of skeleton the winding is installed inside the magnetic core center pillar, the both ends of skeleton are passed through respectively draw-in groove and/or card protruding with the upper cover magnetic core with the lower cover magnetic core is connected, the upper cover magnetic core with the inboard of lower cover magnetic core be equipped with respectively with the draw-in groove with protruding matched with card protruding and draw-in groove.

Preferably, the skeleton, the magnetic core and the windings are arranged in groups, and three groups are arranged side by side.

Further preferably, the framework, the magnetic core and the windings are arranged in groups, and the three groups are arranged side by side in a straight line.

Still preferably, the magnetic core center pillar is formed by a plurality of center pillar pads, and the center pillar pads are made of insulating materials and are bonded to the magnetic core;

still include the base, the base is made by insulating material, is used for the installation the magnetic core supports the magnetic core skeleton with the winding.

Compared with the prior art, one or more technical schemes provided in the embodiment of the application have at least the following beneficial effects:

the design of oval skeleton and ventilation hole has bigger heat radiating area and airflow channel, can promote the radiating effect of product by a wide margin, and then promotes the work efficiency of product, and is corresponding, and the life of product obtains the extension, and the quality of product is protected better. Moreover, the design is more convenient to process, and the volume of products using the framework, such as inductors, transformers and the like, is favorably reduced due to the improvement of the heat dissipation effect.

Drawings

FIG. 1 is a schematic structural diagram of a skeleton according to an embodiment;

fig. 2 is an exploded view of the main components of an inductor or transformer according to one embodiment.

Detailed Description

The present invention is further described with reference to the accompanying figures 1-2 and the detailed description, wherein like reference numerals refer to like parts, unless otherwise specified. It should be emphasized that the following description is merely exemplary in nature and is not intended to limit the scope of the invention or its application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. In addition, the connection can be for fixation or for coupling or communication.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings to facilitate description of the embodiments of the invention and to simplify description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be constructed in a particular manner of operation, and are not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example one

An oval skeleton, as shown in fig. 1, comprises an oval skeleton main body 10 and end vanes 20, wherein the oval skeleton main body 10 is preferably a cylinder with an oval cross section, an oval ventilation duct is arranged inside the oval skeleton main body, and a plurality of ventilation holes 12 are formed in a cylinder wall 11. The end vane 20 is preferably in the form of an elliptical ring, the inner ring of which corresponds to the inner shape and size of the cylinder wall 11 of the elliptical skeleton. In addition, there are two end blades 20 respectively arranged at two ends of the oval skeleton body 10, and a clamping groove 21 and a clamping protrusion 22 for fixing a magnetic core are arranged on the outer end surface of the end blade 20. The end blades 20 limit the width and number of turns of the winding to allow the winding to be wound stably in an area, thereby preventing poor winding.

The ventilation holes 12 are preferably arranged in rows, with a plurality of rows having the same row spacing, but this need not be the case, and may not be arranged in rows, which also enables the ventilation effect. The ventilation hole 12 is preferably a square ventilation hole, and when the square ventilation hole is rectangular, the short side of the square ventilation hole is parallel to the axial direction of the oval skeleton body 10. Further, the vent hole 12 may be a circular or oval vent hole as long as the ventilation effect can be achieved.

In this embodiment, draw-in groove 21 with 22 protruding respectively has two the even alternative setting in circumference on the terminal surface of tip blade 20, this structure both makes things convenient for the equipment, can compromise the intensity structure's of each part rationality again, and need not additionally just can fix with the frock smelting tool.

The technical scheme in the embodiment of the application at least has the following technical effects or advantages:

the design of oval skeleton and ventilation hole has bigger heat radiating area and airflow channel, can promote the radiating effect of product by a wide margin, and then promotes the work efficiency of product, and is corresponding, and the life of product obtains the extension, and the quality of product is protected better. Moreover, the design is more convenient to process, and the size of products using the framework, such as inductors, transformers and the like, is favorably reduced due to the improvement of the heat dissipation effect.

Example two

An inductor/inductor comprising a bobbin 100, a magnetic core 200 and a winding 300, the bobbin 100 being an elliptical bobbin as described in embodiment one above.

As shown in fig. 2, the core 200 includes an upper cover core 201, a lower cover core 202, and a core center pillar 204; the periphery coiling of skeleton 100 winding 300, internally mounted the magnetic core center pillar 204, the both ends of skeleton 100 are passed through respectively the draw-in groove 21 with card protruding 22 with upper cover magnetic core 201 with lower cover magnetic core 202 connects and fixes, upper cover magnetic core 201 with the inboard of lower cover magnetic core 202 be equipped with respectively with draw-in groove 21 with card protruding 22 matched with card is protruding and the draw-in groove, need not additionally to realize reliable fixed with frock smelting tool after the equipment.

The magnetic core center leg 204 is formed of a plurality of center leg pieces made of an insulating material and bonded to the magnetic core. The present embodiment further includes a base 500, wherein the base 500 is made of an insulating material and is used for mounting the magnetic core 200 and supporting the magnetic core 200, the bobbin 100 and the winding 300.

In this embodiment, the bobbin 100, the magnetic core 200, and the winding 300 are arranged in groups, and there are three groups in total, and they are arranged side by side in a straight line.

The inductor/inductor of the embodiment has greatly reduced requirements on the proficiency of operators during winding. At present, the design power density of a large amount of magnetic devices (if fill electric pile magnetic device etc.) is big, and is small, therefore the product is mostly to adopt the design of no skeleton, though can satisfy the volume requirement, but no skeleton product adopts wire winding smelting tool when the coiling, the fixed smelting tool plate washer screw of artifical taking, backing insulating paper is the rubber belt of wrapping again, inevitably sacrifice efficiency, the degree of difficulty of operation has been increased, and adopt the skeleton coiling then need not these actions, require to reduce a lot to operating personnel's skill.

EXAMPLE III

The main differences between this embodiment and the second embodiment above are: the bobbins 100, the magnetic cores 200 and the windings 300, which are arranged in groups, are not arranged side by side in a straight line shape, but in a delta or triangular shape, so that the final product can be better adapted to a specific use/installation environment.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific/preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. For those skilled in the art to which the invention pertains, a plurality of alternatives or modifications can be made to the described embodiments without departing from the concept of the invention, and these alternatives or modifications should be considered as belonging to the protection scope of the invention. In the description herein, references to the description of the term "one embodiment," "some embodiments," "preferred embodiments," "an example," "a specific example," or "some examples" or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction. Although the embodiments of the present invention and their advantages have been described in detail, it should be understood that various changes, substitutions and alterations can be made herein without departing from the scope of the claims.

Claims (10)

1. The oval framework is characterized by comprising an oval framework main body and end blades, wherein the oval framework main body is in a cylindrical shape with an oval cross section, and a plurality of vent holes are formed in the cylindrical wall;

the end part blade is in an elliptical ring shape, and the shape and the size of an inner ring of the elliptical ring are consistent with those of the inner cylinder wall of the elliptical framework; the two end blades are respectively arranged at two ends of the elliptic framework main body;

and the outer end face of the end blade is provided with a clamping groove and/or a clamping protrusion for fixing the magnetic core.

2. The oval shaped skeleton of claim 1, wherein said vent holes are arranged in rows, there being a plurality of rows, and the rows are equally spaced.

3. An oval shaped skeleton according to claim 1 or 2, wherein the ventilation holes are square ventilation holes.

4. The oval shaped skeleton of claim 3, wherein when said square shaped vent hole is rectangular, its short side is parallel to the axial direction of said oval shaped skeleton body.

5. The oval skeleton of claim 1, wherein the outer end surface of the end blade is provided with a slot and a protrusion for fixing the magnetic core.

6. The oval shaped skeleton of claim 5, wherein there are two of said notches and said tabs, circumferentially alternating and evenly disposed on the end surfaces of said end leaves.

7. An inductor or transformer comprising a former, a magnetic core and a winding, the former being an elliptical former as claimed in any one of claims 1 to 6;

the magnetic core comprises an upper cover magnetic core, a lower cover magnetic core and a magnetic core middle column;

the periphery coiling of skeleton the winding is installed inside the magnetic core center pillar, the both ends of skeleton are passed through respectively draw-in groove and/or card protruding with the upper cover magnetic core with the lower cover magnetic core is connected, the upper cover magnetic core with the inboard of lower cover magnetic core be equipped with respectively with the draw-in groove with protruding matched with card protruding and draw-in groove.

8. An inductor or transformer as claimed in claim 7, characterised in that the former, core and windings are arranged in groups of three in total arranged side by side.

9. An inductor or transformer as claimed in claim 7, characterised in that said former, said core and said windings are arranged in groups of three in total, arranged side by side in a straight line.

10. An inductor or transformer as claimed in claim 7, 8 or 9, wherein said core leg has a plurality of leg pieces formed of an insulating material adhered to said core;

still include the base, the base is made by insulating material, is used for the installation the magnetic core supports the magnetic core skeleton with the winding.

Images