CN215183402U

CN215183402U - Novel inductor

Info

Publication number: CN215183402U
Application number: CN202120803791.7U
Authority: CN
Inventors: 袁玉龙
Original assignee: Dongguan Jin Xuan Electronics Co ltd
Current assignee: Dongguan Jin Xuan Electronics Co ltd
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2021-12-14
Anticipated expiration: 2031-04-20

Abstract

The utility model discloses a novel inductor, which comprises an outer shell, the magnetic core mounting panel, magnetic core and coil winding, the opening part of magnetic core mounting panel installation shell, the magnetic core is installed in the inboard of magnetic core mounting panel and is arranged in the inner chamber of shell, the magnetic core includes first U type portion, second U type portion, third U type portion and fourth U type portion, the coil winding is around locating the magnetic core outside, the surface ring of shell distributes and has a plurality of fin, all set up the louvre that the position staggers mutually on every fin, the coating has the heat absorption coating on the inner wall of shell, be connected with heat conduction silicon adhesive tape between heat absorption coating and the coil winding. The utility model discloses a plurality of U type designs of magnetic core can make the magnetic core twine more coils to make the inductor can still can produce great induced electromotive force when less volume, thereby satisfy the demand of user's inductor small and big electric potential response, and the heat dispersion that the inductor can be promoted greatly in the setting of fin, heat conduction silicon adhesive tape, heat absorption coating and louvre.

Description

Novel inductor

Technical Field

The utility model relates to a technical field of inductor, more specifically say, relate to a novel inductor.

Background

An inductor is an electrical component that can convert electrical energy into magnetic energy for storage, and the inductor has an inductance that only impedes the change of current, and if the inductor is in a state where no current flows through the inductor, the inductor will attempt to impede the flow of current when the circuit is on, and if the inductor is in a state where current flows through the inductor, the inductor will attempt to maintain the current when the circuit is off. However, the magnetic core of the inductor on the market is generally in a column shape, an i-shape or an E-shape, if the inductor needs to achieve large potential induction, the large potential induction and the small volume cannot be realized simultaneously, the requirements of the user on the large potential induction and the small volume cannot be met simultaneously, and the inductor on the market has poor heat dissipation effect and is easily damaged due to overhigh temperature.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned defect among the prior art, provide a novel inductor.

To achieve the above object, the present invention provides a novel inductor, comprising a housing, a magnetic core mounting plate, a magnetic core, and a coil winding, wherein one end of the housing is open, the magnetic core mounting plate mounts the opening of the housing and closes the inner cavity of the housing, the magnetic core is mounted inside the magnetic core mounting plate and is located in the inner cavity of the housing, the magnetic core comprises a first U-shaped portion, a second U-shaped portion, a third U-shaped portion, and a fourth U-shaped portion, the first U-shaped portion is spaced apart from the second U-shaped portion, the third U-shaped portion is spaced apart from the fourth U-shaped portion, the first U-shaped portion is connected between one end of the third U-shaped portion and one end of the fourth U-shaped portion, the second U-shaped portion is connected between the other end of the third U-shaped portion and the other end of the fourth U-shaped portion, the first U-shaped portion and the second U-shaped portion are respectively arranged downward, the third U-shaped portion and the fourth U-shaped portion are respectively arranged upward, first U type portion and the equal perpendicular to third U type portion of second U type portion, third U type portion is parallel with fourth U type portion, the coil winding is around locating the magnetic core outside, the both ends of coil winding pass the magnetic core mounting panel respectively and outwards stretch out in order to form the pin, the surface ring of shell distributes and has a plurality of fin, the cross sectional shape of fin is the wave, all sets up the louvre that the position staggers mutually on every fin, the coating has the heat absorption coating on the inner wall of shell, be connected with heat conduction silicon adhesive tape between heat absorption coating and the coil winding.

As preferred embodiment, still include the mount pad, the shell is installed at the mount pad, the both sides bottom of mount pad is equipped with the location and inserts the post, the head end that the post was inserted in the location is equipped with the cross-shaped breach to make the location insert the head end of post and form four location jack catchs, the outer wall middle part concave of location jack catch is equipped with and is used for supplying circuit board male draw-in groove.

In a preferred embodiment, the outer surface of the head end of the positioning claw is provided with an arc-shaped surface.

As a preferred embodiment, a positioning seat for positioning the magnetic core is arranged on the inner side of the magnetic core mounting plate, the magnetic core is positioned on the positioning seat, a partition plate located above the magnetic core is arranged on the positioning seat, and the partition plate is detachably connected with the positioning seat.

As a preferred embodiment, the heat-absorbing coating is provided as a black chromium coating or a black nickel coating.

In a preferred embodiment, the thickness of the heat sink is 0.8 mm.

In a preferred embodiment, the core is a ferrite core.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model has the advantages of simple structure, the compactness, reasonable in design, a plurality of U type designs of magnetic core can make the magnetic core twine more coils to make the inductor can still produce great induced electromotive force when less volume, thereby satisfy the demand that user's inductor is small and the response of big electromotive force, and the heat dispersion that fin, heat conduction silicon adhesive tape, heat absorption coating and louvre set up and can promote the inductor greatly, prevent that the inductor from damaging because of the high temperature.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a novel inductor provided by an embodiment of the present invention;

fig. 2 is a top view of a novel inductor provided by an embodiment of the present invention;

fig. 3 is a cross-sectional view of a novel inductor provided by an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a magnetic core of a novel inductor according to an embodiment of the present invention;

fig. 5 is a top view of a magnetic core of a novel inductor provided by an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a positioning post-inserting portion of a novel inductor according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a magnetic core mounting plate of a novel inductor according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 7, an embodiment of the present invention provides a novel inductor, which includes a mounting base 5, a housing 1, a magnetic core mounting plate 2, a magnetic core 3, and a coil winding 4, and the structure of each component and the operation principle thereof will be described below.

The shell 1 is installed on the mount pad 5, and the one end opening of shell 1, the opening part of shell 1 and with the inner chamber closure of shell 1 are installed to magnetic core mounting panel 2, and magnetic core 3 installs in the inboard of magnetic core mounting panel 2 and is located the inner chamber of shell 1. Wherein the core 3 may be a ferrite core.

Preferably, in order to enable the inductor to be more stably mounted on the circuit board 6, the bottom portions of the two sides of the mounting base 5 may be provided with positioning insertion posts 51, the head ends of the positioning insertion posts 51 are provided with cross-shaped notches 512, so that the head ends of the positioning insertion posts 51 form four positioning claws 516, and the middle portions of the outer walls of the positioning claws 516 are concavely provided with clamping grooves 514 for the circuit board 6 to be inserted.

Further, in order to facilitate the insertion of the positioning claws 516 of the positioning insertion posts 51 into the insertion holes 61 of the circuit board 6, the outer surfaces of the head ends of the positioning claws 516 may be provided with arc-shaped surfaces, and the arc-shaped surfaces are designed to play a guiding role when the positioning claws are inserted into the insertion holes 61 of the circuit board 6, so that the insertion of the positioning claws 516 is smooth.

When the inductor fixing device is installed, an installer can align the positioning insertion column 51 to the insertion hole 61 of the circuit board 6 and then insert the positioning insertion column 51 into the insertion hole 61, the arc-shaped surface of each positioning clamping jaw 516 can be in contact with the circuit board 6 in the insertion process, the four positioning clamping jaws 516 are compressed and drawn inwards, so that the inductor fixing device can pass through the insertion hole 61, after the positioning clamping jaws 516 are inserted in place, the positioning clamping jaws 516 reset, the circuit board 6 can be inserted into the clamping grooves 514 in the outer surfaces of the positioning clamping jaws 516 and clamped with the positioning clamping jaws 516, and the inductor is fixedly installed on the circuit board 6.

The magnetic core 3 comprises a first U-shaped portion 31, a second U-shaped portion 32, a third U-shaped portion 33 and a fourth U-shaped portion 34, the first U-shaped portion 31 and the second U-shaped portion 32 are arranged at intervals, the third U-shaped portion 33 and the fourth U-shaped portion 34 are arranged at intervals, the first U-shaped portion 31 is connected between one end of the third U-shaped portion 33 and one end of the fourth U-shaped portion 34, the second U-shaped portion 32 is connected between the other end of the third U-shaped portion 33 and the other end of the fourth U-shaped portion 34, the first U-shaped portion 31 and the second U-shaped portion 32 are arranged downwards respectively, the third U-shaped portion 33 and the fourth U-shaped portion 34 are arranged upwards respectively, the first U-shaped portion 31 and the second U-shaped portion 32 are perpendicular to the third U-shaped portion 33, and the third U-shaped portion 33 is parallel to the fourth U-shaped portion 34.

During the concrete implementation, the inboard of magnetic core mounting panel 2 is equipped with positioning seat 15 that is used for magnetic core 3 location, and magnetic core 3 location is placed on positioning seat 15, is equipped with the baffle 16 that is located the magnetic core 3 top on positioning seat 15, and baffle 16 can be dismantled with positioning seat 15 and be connected.

The coil winding 4 is wound outside the magnetic core 3, two ends of the coil winding 4 respectively penetrate through the magnetic core mounting plate 2 and extend outwards to form pins 41, a plurality of radiating fins 11 are annularly distributed on the outer surface of the shell 1, the cross section of each radiating fin 11 is wave-shaped, radiating holes 12 with staggered positions are formed in each radiating fin 11, a heat absorption coating 13 is coated on the inner wall of the shell 1, and a heat conduction silicon adhesive tape 14 is connected between the heat absorption coating 13 and the coil winding 4. Wherein, the thickness of the heat sink 11 is 0.8mm, and the heat absorption coating 13 can be provided as a black chromium coating or a black nickel coating.

When the heat dissipation device works, heat generated by the coil working can be conducted to the shell through the heat absorption silicon adhesive tape and the heat absorption coating, then the contact area of the shell and air can be increased through the radiating fins of the shell, so that the heat dissipation performance of the shell is enhanced, the air passages among all the radiating fins can be communicated through the radiating holes of the radiating fins, so that air in the air passages flows, and the air is prevented from being gathered in the air passages to reduce the heat dissipation efficiency of the radiating fins.

To sum up, the utility model has the advantages of simple structure, compactness, reasonable in design, a plurality of U type designs of magnetic core can make the magnetic core twine more coils to make the inductor can still can produce great induced electromotive force when less volume, thereby satisfy the demand that user's inductor is small and big electromotive force response, and the heat dispersion that sets up of fin, heat conduction silicon adhesive tape, heat absorption coating and louvre can promote the inductor greatly, prevent that the inductor from damaging because of the high temperature.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. A novel inductor is characterized in that: including shell (1), magnetic core mounting panel (2), magnetic core (3) and coil winding (4), the one end opening of shell (1), the opening part of shell (1) is installed and the inner chamber with shell (1) is sealed in magnetic core mounting panel (2), magnetic core (3) are installed in the inboard of magnetic core mounting panel (2) and are located the inner chamber of shell (1), magnetic core (3) include first U type portion (31), second U type portion (32), third U type portion (33) and fourth U type portion (34), first U type portion (31) and second U type portion (32) interval set up, third U type portion (33) and fourth U type portion (34) interval set up, first U type portion (31) are connected between the one end of third U type portion (33) and the one end of fourth U type portion (34), second U type portion (32) are connected between the other end of third U type portion (33) and the other end of fourth U type portion (34), the first U-shaped part (31) and the second U-shaped part (32) are respectively arranged downwards, the third U-shaped part (33) and the fourth U-shaped part (34) are respectively arranged upwards, the first U-shaped part (31) and the second U-shaped part (32) are both perpendicular to the third U-shaped part (33), the third U-shaped part (33) is parallel to the fourth U-shaped part (34), the coil winding (4) is wound outside the magnetic core (3), two ends of the coil winding (4) respectively penetrate through the magnetic core mounting plate (2) and extend outwards to form pins (41), a plurality of radiating fins (11) are annularly distributed on the outer surface of the shell (1), the section of each radiating fin (11) is wave-shaped, each radiating fin (11) is provided with radiating holes (12) with staggered positions, the inner wall of the shell (1) is coated with a heat absorption coating (13), and a heat conduction silicon adhesive tape (14) is connected between the heat absorption coating (13) and the coil winding (4).

2. The novel inductor of claim 1, wherein: still include mount pad (5), install in mount pad (5) shell (1), the both sides bottom of mount pad (5) is equipped with the location and inserts post (51), the head end that post (51) were inserted in the location is equipped with cross-shaped breach (512) to make the location insert the head end of post (51) and form four location jack catch (516), the outer wall middle part concave be equipped with be used for power supply circuit board (6) male draw-in groove (514).

3. The novel inductor of claim 2, wherein: the outer surface of the head end of the positioning claw (516) is arranged to be an arc-shaped surface.

4. The novel inductor of claim 1, wherein: the inboard of magnetic core mounting panel (2) is equipped with positioning seat (15) that are used for magnetic core (3) location, magnetic core (3) location is placed on positioning seat (15), be equipped with baffle (16) that are located magnetic core (3) top on positioning seat (15), baffle (16) can be dismantled with positioning seat (15) and be connected.

5. The novel inductor of claim 1, wherein: the heat absorbing coating (13) is provided as a black chromium coating or a black nickel coating.

6. The novel inductor of claim 1, wherein: the thickness of the radiating fin (11) is 0.8 mm.

7. The novel inductor of claim 1, wherein: the magnetic core (3) is a ferrite magnetic core.