A magnetic device that is easy to assemble

Abstract

The utility model relates to a magnetic device that is easy to assemble, and belongs to the technical field of inductor structure. It includes a magnetic core, a coil, a base, a sleeve, an adhesive tape and epoxy glue, wherein the adhesive tape is wrapped on the magnetic core, the coil is wound on the magnetic core, the sleeve is sleeved on the coil, the coil and the magnetic core are mounted on the base and bonded by epoxy glue, and the base is a single base, with arc-shaped grooves on both sides of the base, and the curvature of the groove can make the enameled wire stuck in the groove. The beneficial effects of the utility model are: 1. The production efficiency is high, which greatly reduces the working hours required for production. The diameter of the hole on the base is generally 0.3mm larger than the diameter of the enameled wire. When making it, the workers will find it difficult to align the enameled wire with the hole, especially when there are many holes. The base is grooved on the side, and the enameled wire can be directly placed into the groove from the side, which greatly improves the production efficiency of the workers.

Description

Technical Field

[0001] The utility model relates to a magnetic device which is convenient to assemble and belongs to the technical field of inductor structures. Background Art

[0002] During the assembly process of the common mode inductor, due to the different shapes and parameters of the enameled wire, there will be different degrees of difficulty in assembly. Difficult assembly will cause waste of working hours, loss of materials, and instability of product quality. Utility Model Content

[0003] In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a magnetic device that is easy to assemble, and solves the problems of high labor intensity, low production efficiency and high product cost in the production process of common-mode inductors in traditional technology.

[0004] The utility model is realized through the following technical scheme: a magnetic device that is easy to assemble, characterized in that it includes a magnetic core, a coil, a base, a sleeve, an adhesive tape and epoxy glue, the adhesive tape is wrapped on the magnetic core, the coil is wound on the magnetic core, the sleeve is sleeved on the coil, the coil and the magnetic core are installed on the base and bonded by epoxy glue, the base is a single-body base, arc-shaped grooves are opened on both sides of the base, and the curvature of the groove can make the enameled wire stuck in the groove.

[0005] The surface of the magnetic core is coated with epoxy resin.

[0006] The surface of the magnetic core is wrapped with a protective film.

[0007] The adhesive tape wrapped around the surface of the magnetic core is a polyimide adhesive tape.

[0008] The coil enameled wire of the coil adopts a circular cross-section structure.

[0009] A sleeve is added at the coil outlet of the coil.

[0010] The base is made of FR-4 material.

[0011] The coil is evenly wound at 1 / 6 of the circumference.

[0012] The beneficial effects of the utility model are as follows: 1. High production efficiency, greatly reducing the man-hours required for production. The diameter of the hole on the base is generally 0.3mm larger than the diameter of the enameled wire. When making it, workers will find it difficult to align the enameled wire with the hole, especially when there are many holes. The base is grooved on the side, and the enameled wire can be directly placed into the groove from the side, which greatly improves the production efficiency of workers.

[0013] 2. The structure is simple, miniaturized, and low-cost. The base material of the magnetic device is FR-4, which is low-cost, strong, and environmentally friendly. The base is slotted on the original basis, with a simple structure and easy processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below based on the drawings and embodiments.

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is an exploded view of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the base of the utility model.

[0018] In the figure: 1. magnetic core; 2. coil; 3. base; 4. sleeve; 5. tape; 6. epoxy glue; 7. groove. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0021] like Figures 1 to 3A magnetic device that is easy to assemble is shown, characterized in that it includes a magnetic core 1, a coil 2, a base 3, a sleeve 4, a tape 5 and an epoxy glue 6, the tape 5 is wrapped around the magnetic core 1, the coil 2 is wound around the magnetic core 1, the sleeve 4 is sleeved on the coil 2, the coil 2 and the magnetic core 1 are installed on the base 3 and bonded by the epoxy glue 6, the base 3 is a single-body base, and arc-shaped grooves 7 are opened on both sides of the base, and the curvature of the groove 7 can make the enameled wire stuck in the groove 7.

[0022] The surface of the magnetic core 1 is coated with epoxy resin.

[0023] The surface of the magnetic core 1 is wrapped with a protective film.

[0024] The adhesive tape 5 wrapped around the surface of the magnetic core 1 is a polyimide adhesive tape.

[0025] The coil enameled wire of the coil 2 has a circular cross-section structure.

[0026] A sleeve 4 is added to the coil outlet of the coil 2.

[0027] The base 3 is made of FR-4 material.

[0028] The coil 2 is evenly wound around 1 / 6 of the circumference.

[0029] The base 3 is a single body base, with arc-shaped grooves 7 on both sides of the base 3. The curvature in the groove 7 is increased, and the arc groove is lengthened. There is a circular groove at the end of the arc groove for placing the enameled wire. This groove has a certain angle with the arc groove so that the enameled wire can be stuck in the groove 7.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A magnetic device that is easy to assemble, characterized in that: The invention comprises a magnetic core (1), a coil (2), a base (3), a sleeve (4), an adhesive tape (5) and an epoxy adhesive (6), wherein the adhesive tape (5) is wrapped around the magnetic core (1), the coil (2) is wound around the magnetic core (1), the sleeve (4) is sleeved on the coil (2), the coil (2) and the magnetic core (1) are mounted on the base (3) and bonded by the epoxy adhesive (6), and the base (3) is a single-body base, and arc-shaped grooves (7) are provided on both sides of the base, and the curvature of the grooves (7) enables the enameled wire to be stuck in the grooves (7).

2. A magnetic device that is easy to assemble according to claim 1, characterized in that: The surface of the magnetic core (1) is coated with epoxy resin.

3. A magnetic device that is easy to assemble according to claim 1, characterized in that: The surface of the magnetic core (1) is wrapped with a layer of protective film.

4. A magnetic device that is easy to assemble according to claim 1, characterized in that: The adhesive tape (5) wrapped around the surface of the magnetic core (1) is a polyimide adhesive tape.

5. The magnetic device that is easy to assemble according to claim 1, characterized in that: The coil enameled wire of the coil (2) has a circular cross-sectional structure.

6. A magnetic device that is easy to assemble according to claim 5, characterized in that: A sleeve (4) is added to the coil outlet of the coil (2).

7. The magnetic device that is easy to assemble according to claim 1, characterized in that: The base (3) is made of FR-4 material.

8. The magnetic device that is easy to assemble according to claim 1, characterized in that: The coil (2) is evenly wound at 1 / 6 of the circumference.

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