CN210039839U - Closed magnetic circuit inductor - Google Patents
Closed magnetic circuit inductor Download PDFInfo
- Publication number
- CN210039839U CN210039839U CN201921350891.8U CN201921350891U CN210039839U CN 210039839 U CN210039839 U CN 210039839U CN 201921350891 U CN201921350891 U CN 201921350891U CN 210039839 U CN210039839 U CN 210039839U
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- inductor
- magnetic core
- outer cover
- magnetic circuit
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Abstract
The utility model discloses a closed magnetic circuit inductor, including shielding dustcoat and inductor main part, the shielding dustcoat cross section is runway shape, and the inductor main part outside is located to the shielding dustcoat cover and is connected through the glue veneer, and wraps the inductor main part completely. The utility model discloses a shielding dustcoat and magnetic core are connected the cladding and are as an organic whole, have improved the inductance value, play fine closed magnetism effect, have reduced the mutual interference of inductance in the working process, keep the job stabilization nature of inductor, and the practicality is strong.
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to the electronic component field, concretely relates to closed magnetic circuit inductor.
[ background of the invention ]
The inductor is an element which can convert electric energy into magnetic energy and store the magnetic energy, and is also called a choke, a reactor, a dynamic reactor and the like, because after the coil passes through current, magnetic field induction is formed in the coil, and the induction magnetic field can generate induction current to resist the current passing through the coil; it will try to maintain the current constant when the circuit is open.
For an open type inductor, in order to achieve sufficient inductance, the number of turns of a winding is increased by generally adopting a copper wire with a smaller size, so that the manufacturing workload of the winding is increased, the using amount of the copper wire is increased, and the production cost is increased; and the mutual work can be influenced in the open structure working process to receive the interference, lead to the inductance work unstable, efficiency is poor.
[ Utility model ] content
In order to solve the existing problem existing in the background art, the utility model provides a closed magnetic circuit inductor.
The utility model adopts the following technical proposal:
a closed magnetic circuit inductor comprises a shielding outer cover and an inductor main body, wherein the cross section of the shielding outer cover is in a racetrack shape, the shielding outer cover is sleeved outside the inductor main body and is connected through glue, and the inductor main body is completely covered.
Further, the inductor main body comprises a magnetic core and a winding, and the winding comprises an enameled wire wound and wrapped outside the magnetic core.
Further, the magnetic core is the I-shaped magnetic core, the magnetic core includes magnetic core head, magnetic core body and magnetic core tail.
Furthermore, the shielding outer cover is a through shell, a first notch matched with the magnetic core head is formed in the top of the shielding outer cover, and the magnetic core head is connected with the first notch through glue in a gluing mode.
Furthermore, a second notch is formed in one arc-shaped side of the bottom of the shielding outer cover, and wiring ends led out from two ends of the winding are led out through the second notch.
Furthermore, a third notch corresponding to the second notch is formed in the magnetic core tail.
Furthermore, closed magnetic circuit inductor still includes the electrode slice, the electrode slice laminating and glue connect in magnetic core tail bottom, wiring end and electrode slice welded connection.
Further, the shielding outer cover is a metal shielding outer cover.
The utility model has the advantages as follows:
the utility model discloses a shielding dustcoat and magnetic core are connected the cladding and are as an organic whole, have improved the inductance value, play fine closed magnetism effect, have reduced the mutual interference of inductance in the working process, keep the job stabilization nature of inductor, and the practicality is strong.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is another schematic view of FIG. 1;
fig. 3 is a schematic structural diagram of the magnetic core in the present invention.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention.
In the open-type inductor, the magnetic field generated in the circuit interferes with each other to affect the current instability and generate disorder, and the circuit operation is not stable and the service life of the inductor is seriously affected because of the design without the closed magnetic field, although the structure is simple and the manufacture is simple, so that the inductor with the closed magnetic circuit needs to be designed to solve the problems existing in the open-type inductor.
As shown in fig. 1 and 2, the closed magnetic circuit inductor in this embodiment includes a shielding housing 1 and an inductor main body 2, the cross section of the shielding housing 1 is racetrack-shaped, and the shielding housing 1 is sleeved outside the inductor main body 2 and is connected by glue to completely cover the inductor main body 2. The inductor main body 2 is covered in the shielding cover 1, the inductor main body 2 is surrounded, after the inductor main body 2 is electrified, most of generated magnetic field is shielded in the shielding cover 1, the inductance strength is increased, and on the other hand, the interference to other inductor components is reduced.
Wherein, inductor main part 2 includes magnetic core 3 and winding 4, refers to and shows fig. 3, winding 3 include the enameled wire winding cladding in 3 outside formations of magnetic core, in this scheme, preferred magnetic core 3 is the I-shaped magnetic core, and magnetic core 3 includes three part magnetic core head 301, magnetic core body 302 and magnetic core tail 303, and magnetic core body 302 is the cylinder structure, and magnetic core head 302 and magnetic core tail 303 integrated into one piece respectively are on magnetic core body 302 both ends face, and with the enameled wire winding outside magnetic core body 302, the enameled wire both ends are drawn for the wiring end.
In addition, in order to better shield the leakage of the magnetic field, the shielding outer cover 1 is a metal shielding cover, the utility model discloses a shielding outer cover 1 and magnetic core 3 connect the cladding as an organic whole, have improved the inductance value, play fine closed magnetic effect, have reduced the mutual interference of inductance in the course of the work, keep the job stabilization nature of inductor, the practicality is strong, shielding outer cover 1 is the well expert's casing, like fig. 1 and fig. 2, its top is offered and is connected with the first notch 5 of magnetic core head 301 looks adaptation, magnetic core head 301 connects through glue veneer the first notch 5; first notch 5 is the runway shape, and inductor main part 2 is worn to establish and is making magnetic core head 302 just holding in first notch 5 inside shielding dustcoat 1, and reuse glue glues, and magnetic core tail 303 just laminates the utility model discloses a shielding dustcoat 1 and magnetic core 3 are connected the cladding as an organic whole, have improved the inductance value, play fine magnetism effect of closing, have reduced the mutual interference of inductance in the working process, keep the job stabilization nature of inductor, and the practicality is strong. The bottom of the bag is sealed and is also glued by glue.
Finally, as shown in fig. 1 and fig. 2, second notches 6 are formed in both arc-shaped sides of the bottom of the shielding housing 1, and the wiring ends led out from both ends of the winding 4 are led out through the second notches 6; a third notch 7 corresponding to the second notch 6 is formed in the magnetic core tail 303; the closed magnetic circuit inductor further comprises an electrode plate 8, the electrode plate 8 is attached to the bottom of the magnetic core tail 303 in an adhesive joint mode, and the wiring end is connected with the electrode plate 8 in a welding mode; the electrode plate 8 is a copper sheet, two wiring ends are led out from the second notch 6 and the third notch 7 and then welded on the electrode plate, the assembly is convenient, the magnetic flux density is enhanced due to the shielding design, the inductance is enhanced, and the working efficiency is improved.
The utility model has the advantages that:
the utility model discloses a shielding dustcoat and magnetic core are connected the cladding and are as an organic whole, have improved the inductance value, play fine closed magnetism effect, have reduced the mutual interference of inductance in the working process, keep the job stabilization nature of inductor, and the practicality is strong. The inductor is connected with the magnetic core and coated into a whole, so that the inductance is improved, a good magnetic closing effect is achieved, mutual interference of the inductance in the working process is reduced, the working stability of the inductor is kept, and the practicability is high.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.
Claims (8)
1. A closed magnetic circuit inductor, characterized by: the inductor comprises a shielding outer cover and an inductor main body, wherein the cross section of the shielding outer cover is in a runway shape, the shielding outer cover is sleeved outside the inductor main body and is connected through glue, and the inductor main body is completely coated.
2. A closed magnetic circuit inductor as claimed in claim 1, wherein: the inductor main body comprises a magnetic core and a winding, wherein the winding comprises an enameled wire wound and wrapped outside the magnetic core.
3. A closed magnetic circuit inductor as claimed in claim 2, wherein: the magnetic core is an I-shaped magnetic core, and the magnetic core comprises a magnetic core head, a magnetic core body and a magnetic core tail.
4. A closed magnetic circuit inductor as claimed in claim 3, wherein: the shielding outer cover is a through shell, a first notch matched with the magnetic core head is formed in the top of the shielding outer cover, and the magnetic core head is connected with the first notch through glue in a gluing mode.
5. A closed magnetic circuit inductor as claimed in claim 2, wherein: and a second notch is formed in one arc-shaped side of the bottom of the shielding outer cover, and wiring ends led out from two ends of the winding are led out through the second notch.
6. A closed magnetic circuit inductor as claimed in claim 5, wherein: and a third notch corresponding to the second notch is formed in the magnetic core tail.
7. A closed magnetic circuit inductor as claimed in claim 6, wherein: the closed magnetic circuit inductor further comprises an electrode plate, the electrode plate is attached to and glued to the bottom of the tail of the magnetic core, and the wiring end is connected with the electrode plate in a welding mode.
8. A closed magnetic circuit inductor as claimed in claim 1, wherein: the shielding outer cover is a metal shielding outer cover.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921350891.8U CN210039839U (en) | 2019-08-20 | 2019-08-20 | Closed magnetic circuit inductor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921350891.8U CN210039839U (en) | 2019-08-20 | 2019-08-20 | Closed magnetic circuit inductor |
Publications (1)
Publication Number | Publication Date |
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CN210039839U true CN210039839U (en) | 2020-02-07 |
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Family Applications (1)
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CN201921350891.8U Active CN210039839U (en) | 2019-08-20 | 2019-08-20 | Closed magnetic circuit inductor |
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2019
- 2019-08-20 CN CN201921350891.8U patent/CN210039839U/en active Active
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