CN201845638U - Broadband inductor - Google Patents

Abstract

The utility model discloses a broadband inductor, which includes magnets (1), wherein a tapered magnet core (5) is arranged between the two magnets (1), and is wound with an enameled wire (3), and two lead-out lines of the enameled wire (3) are connected on two end surfaces (2) of the magnets (1); and a plastic package layer (4) is arranged outside the enameled wire (3). According to the broadband inductor, the tapered magnet core (5) is wound with the enameled wire, the enameled wire is welded on lead-out ends of the magnets in a hot pressing manner, the plastic package layer adopts UV curing or thermal curing resin to protect the enameled wire, and placement equipment is used for placing in batch, so that the inductor can be produced in batch and has the characteristic of high SRF.

Description

A kind of broadband inductor

Technical field

The utility model relates to a kind of broadband inductor.

Background technology

A kind of broadband inductor current device in wideband amplification circuit as chokes, effects such as Bias-Tee, require it to have the high requirement of self-resonance SRF, for improving self-resonant frequency, a kind of conventional way is the size that reduces inductor, reduce the substep electric capacity between porcelain core and PCB, this kind method is limit by structure, and it is limited to promote resonance frequency.Another kind method is to adopt taper winding structure coiling hollow core structures, for improving inductance value, the magnetic of portion's perfusion in coil glue, this structure is owing to need perfusion magnetic glue, on production efficiency, promote limited, therefore the inductance of this kind structure is not suitable for surface stick-mounting machine and mounts owing to adopt enamelled wire as pad simultaneously.

Summary of the invention

The technical problems to be solved in the utility model is to provide a kind of a kind of broadband inductor of producing in batches and having high SRF characteristics that possesses simultaneously, to overcome the deficiencies in the prior art.

The technical solution of the utility model: it comprises magnet, and the taper magnetic core is arranged between two magnets, is wound with enamelled wire on the taper magnetic core, and two lead-out wires of enamelled wire are connected on the both ends of the surface of magnet; The plastic packaging layer is arranged outside enamelled wire.

Two lead-out wire thermocompression bondings of enamelled wire are connected on the both ends of the surface of magnet.

The plastic packaging layer is that UV solidifies or heat reactive resin.

The taper core material comprises pottery, nickel-zinc ferrite, manganese-zinc ferrite or iron powder zinc.

Owing to adopt technique scheme; the utility model is the coiling enamelled wire on the taper magnetic core; and the enamelled wire thermocompression bonding is connected on the magnet exit; the plastic packaging layer adopts UV to solidify or heat reactive resin is protected enamelled wire; and use placement equipment to mount in batches, make inductance also have high SRF characteristics simultaneously possessing batch process.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the another kind of structural representation of the utility model.

Embodiment

Embodiment: with ceramic making taper magnetic core 5, coiling enamelled wire 3 on taper magnetic core 5 is connected on enamelled wire 3 thermocompression bondings on the both ends of the surface 2 of magnet 1, and then carries out UV curing with epoxy resin plastic packaging layer 4 and enamelled wire 3 is protected protected.

Claims (4)

1. broadband inductor, it comprises magnet (1), it is characterized in that: taper magnetic core (5) is arranged between two magnets (1), be wound with enamelled wire (3) on the taper magnetic core (5), two lead-out wires of enamelled wire (3) are connected on the both ends of the surface (2) of magnet (1); Plastic packaging layer (4) is arranged outside enamelled wire (3).

2. a kind of broadband according to claim 1 inductor is characterized in that: two lead-out wire thermocompression bondings of enamelled wire (3) are connected on the both ends of the surface (2) of magnet (1).

3. a kind of broadband according to claim 1 inductor is characterized in that: plastic packaging layer (4) solidifies or heat reactive resin for UV.

4. a kind of broadband according to claim 1 inductor is characterized in that: taper magnetic core (5) material comprises pottery, nickel-zinc ferrite, manganese-zinc ferrite or iron powder zinc.

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