Short-circuit-proof patch type magnetic core

Abstract

The utility model belongs to the technical field of surface-mounted magnetic cores, in particular to a short-circuit-preventing surface-mounted magnetic core, which aims at solving the problems that the surface-mounted magnetic core provided by the background technology is short-circuited and is easy to shake, and adopts the following scheme that the short-circuit-preventing surface-mounted magnetic core comprises a framework, a magnetic core piece is arranged on the outer wall of the framework, and the framework comprises a magnetic core lower yoke, a core column magnetic core and a magnetic core upper yoke. According to the utility model, the extension blocks are uniformly distributed on the two sides of the skeleton, and the wire cores extending from the extension blocks can be separated from each other and arranged at equal intervals under the action of the separation blocks, so that the cable has the characteristic of preventing contact among a plurality of wire cores, the risk of short circuit of the wire cores is reduced, and a set of extra inner plate structure is added; the positioning strips on the inner plate have the function of limiting shaking of the magnetic core piece, on the basis, the stability of the whole magnetic core can be further improved by clamping the two ends of the connecting strips to the outer walls of the clamping columns, and compared with a traditional insulating resin connecting mode, the structure is firmer, and the service life is longer.

Description

TECHNICAL FIELD

[0001] The utility model relates to patch type magnetic core technical field especially relates to a kind of short-circuit-proof patch type magnetic core. BACKGROUND

[0002] Patch type magnetic core is a kind of miniaturization magnetic core, mainly used in electronic components, especially patch inductance and patch magnetic beads. It is directly welded on the circuit board by surface mount technology (SMT), with the characteristics of small size, suitable for high-density installation.

[0003] As an important component in patch inductance, patch type magnetic core needs to pay attention to the position of wire core during installation to avoid contact between wire cores, which may cause short circuit. In addition, after assembly, patch type magnetic core will drip insulating resin between the coating layer and the magnetic core to increase structural stability, but the insulating resin is easy to fall off, increasing the risk of patch type magnetic core shaking. UTILITY MODEL CONTENT

[0004] To overcome the shortcomings of the prior art, the utility model provides a kind of short-circuit-proof patch type magnetic core, effectively solve the problem of patch type magnetic core short circuit and easy to shake.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A kind of short-circuit-proof patch type magnetic core, including framework, the outer wall of the framework is provided with magnetic core piece, the framework includes magnetic core lower yoke, heart column magnetic core and magnetic core upper yoke, and heart column magnetic core is fixedly connected between magnetic core lower yoke and magnetic core upper yoke, the outer wall of the both sides of magnetic core lower yoke is fixedly connected with the outer extension block of equidistance distribution, and the outer wall of the one side of outer extension block is provided with the partition block of symmetrical distribution, the outer wall of the one side of outer extension block is fixedly connected with wire core between two partition blocks;

[0007] The outer wall of the both sides of the top of magnetic core lower yoke is fixedly connected with the inner plate of symmetrical distribution, and the outer wall of the one side of inner plate is provided with the clamping column of array distribution, and the connecting strip is clamped between two clamping columns.

[0008] Preferably, the magnetic core piece includes upper magnetic core block and lower magnetic core block, and the upper magnetic core block and the lower magnetic core block are symmetrically distributed.

[0009] Preferably, the upper magnetic core block and the lower magnetic core block are composed of magnetic core plate and magnetic core column body, and the magnetic core column body is embedded in the inner wall of heart column magnetic core.

[0010] Preferably, the outer wall of the one side of inner plate is fixedly connected with the positioning strip of symmetrical distribution, and the positioning strip is tightly attached to the outer wall of magnetic core plate.

[0011] Preferably, the outer wall of the core is wound with an enameled coil, and the outer wall of the enameled coil is wrapped with an insulating coating.

[0012] Preferably, the outer wall of the core is wound with an enameled coil, and the outer wall of the enameled coil is wrapped with an insulating coating.

[0013] The utility model discloses a kind of anti-short-circuit chip type magnetic cores, which has the following beneficial effects.

[0014] 1. The anti-short-circuit chip type magnetic core of the design is distributed with epitaxial blocks on both sides of the framework. The wire cores extending from the epitaxial blocks can be separated from each other under the action of the partition blocks and arranged equidistantly, preventing contact between multiple wire cores and reducing the risk of wire core short circuit.

[0015] 2. The anti-short-circuit chip type magnetic core of the design adds an additional inner plate structure. The positioning strips on the inner plate restrict the shaking of the core pieces. By clamping the two ends of the connecting strip to the outer wall of the clamping column, the stability of the entire core can be further improved. Compared with the traditional connection method of insulating resin, this structure is more reliable and has a longer service life. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The utility model provides a kind of overall structure schematic diagram of anti-short-circuit chip type magnetic core.

[0017] Figure 2 The utility model provides a kind of framework connection structure schematic diagram of anti-short-circuit chip type magnetic core.

[0018] Figure 3 The utility model provides a kind of inner plate connection structure schematic diagram of anti-short-circuit chip type magnetic core.

[0019] Figure 4 The utility model provides a kind of core piece structure schematic diagram of anti-short-circuit chip type magnetic core.

[0020] In the figure: 1, framework; 2, core piece; 3, core lower yoke; 4, core column; 5, core upper yoke; 6, epitaxial block; 7, partition block; 8, wire core; 9, inner plate; 10, positioning strip; 11, clamping column; 12, connecting strip; 13, upper core block; 14, lower core block; 15, core plate; 16, core column body; 17, enameled coil; 18, insulating coating; 19, annular insulating layer. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments.

[0022] Example one, refer toFigures 1-2 The short-circuit prevention patch type magnetic core comprises a framework 1, a magnetic core piece 2 arranged on the outer wall of the framework 1, the framework 1 comprising a magnetic core lower yoke 3, a core column magnetic core 4 and a magnetic core upper yoke 5, and the core column magnetic core 4 being fixedly connected between the magnetic core lower yoke 3 and the magnetic core upper yoke 5, both sides of the outer wall of the magnetic core lower yoke 3 being fixedly connected with outer extension blocks 6 distributed at equal distances, and one side of the outer wall of the outer extension block 6 being provided with partition blocks 7 distributed symmetrically, and a wire core 8 being fixedly connected between the one side of the outer wall of the outer extension block 6 and the two partition blocks 7.

[0023] In the embodiment, the outer extension blocks 6 are distributed on both sides of the framework 1, and the wire cores 8 extended by the outer extension blocks 6 can be separated from each other under the action of the partition blocks 7, are arranged at equal distances, and have the characteristic of preventing contact between the plurality of wire cores 8, thereby reducing the risk of short circuit of the wire cores 8.

[0024] Embodiment two, refer to Figure 3 The short-circuit prevention patch type magnetic core comprises a framework 1, a magnetic core piece 2 arranged on the outer wall of the framework 1, the framework 1 comprising a magnetic core lower yoke 3, a core column magnetic core 4 and a magnetic core upper yoke 5, and the core column magnetic core 4 being fixedly connected between the magnetic core lower yoke 3 and the magnetic core upper yoke 5, both sides of the outer wall of the magnetic core lower yoke 3 being fixedly connected with outer extension blocks 6 distributed at equal distances, and one side of the outer wall of the outer extension block 6 being provided with partition blocks 7 distributed symmetrically, and a wire core 8 being fixedly connected between the one side of the outer wall of the outer extension block 6 and the two partition blocks 7.

[0025] In the embodiment, a set of additional inner plates 9 structures are added, the positioning strips 10 on the inner plates 9 have the function of limiting the shaking of the magnetic core piece 2, and on this basis, by clamping the two ends of the connecting strip 12 to the outer wall of the clamping column 11, the stability of the whole magnetic core can be further improved, and compared with the traditional connection mode of insulating resin, the structure is more reliable and has a longer service life.

[0026] Refer to Figure 4 The magnetic core piece 2 comprises an upper magnetic core block 13 and a lower magnetic core block 14, and the upper magnetic core block 13 and the lower magnetic core block 14 are symmetrically distributed.

[0027] Refer to Figure 4 The upper magnetic core block 13 and the lower magnetic core block 14 are both composed of a magnetic core plate 15 and a magnetic core column body 16, and the magnetic core column body 16 is embedded in the inner wall of the core column magnetic core 4.

[0028] Refer to Figures 3-4 The inner plate 9 is fixedly connected with positioning strips 10 distributed symmetrically on one side of the outer wall, and the positioning strips 10 are tightly attached to the outer wall of the magnetic core plate 15.

[0029] Refer to Figure 1 The outer wall of the core column magnetic core 4 is wound with an enameled coil 17, and the outer wall of the enameled coil 17 is wrapped with an insulating coating layer 18.

[0030] Refer to Figure 1 The outer part of the magnetic core piece 2 is bonded with an annular insulating layer 19.

[0031] Working principle: patch type magnetic core mainly consists of skeleton 1 and magnetic core piece 2, wherein, skeleton 1 includes magnetic core lower yoke 3, core column magnetic core 4 and magnetic core upper yoke 5, magnetic core piece 2 includes upper magnetic core block 13 and lower magnetic core block 14, magnetic core column body 16 on upper magnetic core block 13 and lower magnetic core block 14 is embedded in the inside of core column magnetic core 4, and the extension block 6 is distributed on both sides of skeleton 1, the wire core 8 extended by extension block 6 can be separated from each other under the action of separation block 7, prevent multiple wire cores 8 from being short-circuited by mutual contact, in addition, the positioning strip 10 on the inner plate 9 has the function of limiting the shaking of magnetic core piece 2, on this basis, by clamping the two ends of the connecting strip 12 to the outer wall of the clamping column 11, the stability of the whole magnetic core can be further improved.

[0032] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A short-circuit prevention chip core comprising a skeleton (1), characterized in that, The outer wall of the skeleton (1) is provided with a magnetic core piece (2), the skeleton (1) comprises a magnetic core lower yoke (3), a core column magnetic core (4) and a magnetic core upper yoke (5), and the core column magnetic core (4) is fixedly connected between the magnetic core lower yoke (3) and the magnetic core upper yoke (5), the both sides of the outer wall of the magnetic core lower yoke (3) are fixedly connected with outer extension blocks (6) distributed at equal distances, and the outer wall of one side of the outer extension block (6) is provided with symmetrically distributed partition blocks (7), and the outer wall of one side of the outer extension block (6) is fixedly connected with a wire core (8) between the two partition blocks (7). The both sides of the outer wall of the top of the magnetic core lower yoke (3) are fixedly connected with symmetrically distributed inner plates (9), and the outer wall of one side of the inner plate (9) is provided with arrayed clamping columns (11), and the two clamping columns (11) are clamped with a connecting strip (12).

2. The short-circuit prevention chip magnetic core according to claim 1, wherein The magnetic core piece (2) comprises an upper magnetic core block (13) and a lower magnetic core block (14), and the upper magnetic core block (13) and the lower magnetic core block (14) are symmetrically distributed.

3. A short-circuit prevention chip core according to claim 2, wherein The upper magnetic core block (13) and the lower magnetic core block (14) are both composed of a magnetic core plate (15) and a magnetic core column body (16), and the magnetic core column body (16) is embedded on the inner wall of the core column magnetic core (4).

4. The short-circuit prevention chip magnetic core according to claim 1, wherein The outer wall of one side of the inner plate (9) is fixedly connected with symmetrically distributed positioning strips (10), and the positioning strips (10) are tightly attached to the outer wall of the magnetic core plate (15).

5. The short-circuit prevention chip core according to claim 1, wherein The outer wall of the core column magnetic core (4) is wound with an enameled coil (17), and the outer wall of the enameled coil (17) is wrapped with an insulating coating layer (18).

6. The short-circuit prevention chip magnetic core according to claim 1, wherein The outer part of the magnetic core piece (2) is bonded with an annular insulating layer (19).

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