CN218730314U - Novel inductor - Google Patents
Novel inductor Download PDFInfo
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- CN218730314U CN218730314U CN202222744689.1U CN202222744689U CN218730314U CN 218730314 U CN218730314 U CN 218730314U CN 202222744689 U CN202222744689 U CN 202222744689U CN 218730314 U CN218730314 U CN 218730314U
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- magnetic core
- inductor
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Abstract
The utility model relates to a novel inductor, inductor includes: a magnetic core; a wire wound around a surface of the magnetic core to form a winding; the two ends of the magnetic core are both electroplated with conducting layers, and the conducting wires at the two ends of the winding are respectively welded with the conducting layers at the two ends of the magnetic core. The inductor of the technical scheme is characterized in that the two ends of the magnetic core are provided with the conducting layers, the conducting wires at the two ends of the winding are respectively welded on the conducting layers at the two sides of the magnetic core, so that the conducting wires are fixed and are electrically connected with an external circuit through the conducting layers, and the winding is more stably connected with the external circuit; meanwhile, the conducting layer is adopted for replacing the wiring terminal of the inductor, so that the manufacturing process of the inductor is simplified, the manufacturing cost of the inductor is lower, and the assembly efficiency is higher.
Description
Technical Field
The utility model relates to an electronic component technical field, concretely relates to novel inductor.
Background
An inductor is an electronic component that can convert electrical energy into magnetic energy and store the magnetic energy. The inductor is constructed like a transformer but with only one winding. The inductor has an inductance that only blocks the current transition. If the inductor is not passing current, the inductor will try to block current from passing through it when the circuit is switched in; if the inductor is in the event of a current passing through it will try to keep the current unchanged when the circuit is broken. The inductor is called choke, reactor and dynamic reactor.
Chinese patent CN200710004414.1 discloses a circuit board mounted inductor, which is provided with: a winding wire having conductivity, a magnetic core wound with the winding wire, and a terminal portion provided at an end of the winding wire; a recess recessed in a height direction of the magnetic core is provided on a circuit board mounting surface of the magnetic core; the terminal portion is bent in an L shape, and a notch portion cut out in a direction opposite to a height direction of the magnetic core is provided at one end side of the terminal portion; the terminal portion is arranged so that a side thereof on which the notch portion is not provided is accommodated in the recess portion via an insulating member, and a tip end of the winding wire is inserted into the notch portion.
The inductor of the above patent requires separate terminals to be provided so that both ends of the winding are fixed and electrically connected to an external circuit board. Because the inductor belongs to a miniature electronic element, the problems of high production and manufacturing difficulty and complex assembly structure exist in the process of welding small terminals.
In addition, chinese patent CN202122440136.2 discloses a rapid heat dissipation inductor, which includes a magnetic core ring, an aluminum casing, two sets of coil windings and a plurality of insulating spacers, where the aluminum casing is sleeved outside the magnetic core ring, the two sets of coil windings are stacked, the magnetic core ring includes an upper magnetic core piece and a lower magnetic core piece, the upper magnetic core piece and the lower magnetic core piece are spliced together in an involution manner to form a coil installation cavity and a coil winding post, the coil windings are accommodated in the coil installation cavity and wound around the coil winding post, an inner wall of the upper magnetic core piece and one set of coil windings, two sets of coil windings and an inner wall of the other set of coil windings and the lower magnetic core piece are all separated by the insulating spacers, the aluminum casing is provided with an accommodation cavity, the two sets of coil windings are provided with terminal portions, and each set of coil windings is formed by overlapping a plurality of copper sheets.
Similarly, in the inductor disclosed in the above patent, terminal portions for connecting to an external circuit are provided at both ends of the winding, the terminal portions have a complicated structure, and the manufacturing difficulty of the product is increased by production and assembly of the terminal portions for a small-sized inductor.
As described above, in the conventional inductor, in order to stably connect both ends of the winding, terminals are separately provided as connecting parts, and the lead wires are stably connected to an external circuit. In the manufacturing process of the product, the terminals need to be welded on the magnetic core, and the wires of the winding need to be welded with the terminals, which results in complex manufacturing and tedious process of the inductor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel inductor aims at solving current inductor and leads to the manufacturing of inductor complicated, the loaded down with trivial details technical problem of technology owing to need set up binding post.
In order to achieve the above object, the present invention provides a novel inductor, including:
a magnetic core;
a wire wound around a surface of the magnetic core to form a winding; wherein the content of the first and second substances,
and conducting layers are electroplated at two ends of the magnetic core, and conducting wires at two ends of the winding are respectively welded with the conducting layers at two ends of the magnetic core.
As a further improvement of the utility model: the height of conducting layer is 1.5mm, the width of conducting layer is 1mm.
As a further improvement of the utility model: and two ends of the magnetic core are respectively connected with a welding disc used for being connected with the PCB.
As a further improvement of the utility model: one side of the bonding pad is electroplated with a connecting layer.
As a further improvement of the utility model: the pad is provided with two sets ofly, two sets of pads are located respectively the both ends of magnetic core, each group the pad include first pad and second pad, first pad and one side of second pad all with the magnetic core is connected, first pad and the opposite side of second pad all with the conducting layer is connected.
As a further improvement of the utility model: and the wires at the two ends of the winding are connected with branch pins, and the wires and the branch pins are respectively connected with the conductive layers on the first bonding pad and the second bonding pad.
As a further improvement of the utility model: the first bonding pad is the same as the second bonding pad in shape and size, the length of the first bonding pad is 1mm, and the width of the first bonding pad is 0.85mm.
As a further improvement of the utility model: the conducting layer is made of metal tin.
As a further improvement of the utility model: the magnetic core is made of ferrite.
As a further improvement of the utility model: the magnetic core comprises a winding part and a supporting part connected with two ends of the winding part, the length of the winding part is 2.59mm, and the length of the supporting part is 0.85mm.
Compared with the prior art, the utility model discloses following beneficial effect has:
the inductor of the technical scheme is characterized in that the two ends of the magnetic core are provided with the conducting layers, the conducting wires at the two ends of the winding are respectively welded on the conducting layers at the two sides of the magnetic core, so that the conducting wires are fixed and are electrically connected with an external circuit through the conducting layers, and the winding is more stably connected with the external circuit; meanwhile, the conducting layer is adopted for replacing the wiring terminal of the inductor, so that the manufacturing process of the inductor is simplified, the manufacturing cost of the inductor is lower, and the assembly efficiency is higher.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the novel inductor of the present application;
fig. 2 is a schematic structural diagram of another embodiment of the novel inductor of the present application.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | |
2 | Conducting |
| 3 | Winding wire | 4 | Conductive layer |
| 5 | |
6 | |
| 11 | Winding |
12 | Supporting |
| 41 | First |
42 | Second |
| 51 | |
52 | Second bonding pad |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
It should be noted that, if the present invention relates to a directional indication (such as up, down, left, right, front, back, 8230 \8230;, 8230;), the directional indication is only used to explain the relative position relationship between the components in a specific posture, the motion situation, etc., and if the specific posture is changed, the directional indication is changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, if the meaning of "and/or" and/or "appears throughout, the meaning includes three parallel schemes, for example," A and/or B "includes scheme A, or scheme B, or a scheme satisfying both schemes A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
In order to stabilize the connection of both ends of a winding in a conventional inductor, terminals are required to be provided separately as connecting parts of the inductor, and a lead wire is required to be stably connected to an external circuit. In the manufacturing process of the product, the terminals need to be welded on the magnetic core, and the wires of the winding need to be welded with the terminals, which results in complex manufacturing and cumbersome process of the inductor.
The utility model aims at providing a novel inductor aims at solving current inductor owing to need set up binding post, leads to the manufacturing of inductor complicated, the loaded down with trivial details technical problem of technology.
Referring to fig. 1-2, in an embodiment of the novel inductor of the present application, the novel inductor includes:
a magnetic core 1;
a wire 2, wherein the wire 2 is wound on the surface of the magnetic core 1 to form a winding 3; wherein the content of the first and second substances,
both ends of the magnetic core 1 are plated with conductive layers 4, and the wires 2 at both ends of the winding 3 are respectively connected with the conductive layers 4 at both ends of the magnetic core 1.
Specifically, in the present embodiment, the magnetic core 1 has an i-shaped configuration, and the wire 2 is wound in a depressed area in the middle of the magnetic core 1, thereby forming the winding 3. After the winding 3 is formed, the flexible lead wires 2 at two ends need to be fixed, so that the inductor can be quickly and accurately connected with other circuits after being welded to a PCB. Therefore, both ends of the magnetic core 1 are plated with the conductive layer 4, and the wires 2 at both ends of the winding 3 are fixedly welded with the conductive layer 4. The conductive layer 4 serves as a connecting member fixed to both sides of the magnetic core 1 and has a large contact area, so that the wire 2 of the winding 3 can be quickly electrically connected to an external circuit, thereby replacing the function of a terminal.
The inductor of the technical scheme is characterized in that the two ends of the magnetic core are provided with the conducting layers, the conducting wires at the two ends of the winding are respectively welded on the conducting layers at the two sides of the magnetic core, so that the conducting wires are fixed and are electrically connected with an external circuit through the conducting layers, and the winding is more stably connected with the external circuit; meanwhile, the conducting layer is adopted for replacing the wiring terminal of the inductor, so that the manufacturing process of the inductor is simplified, the manufacturing cost of the inductor is lower, and the assembly efficiency is higher.
Further, in one embodiment, the height of the conductive layer 4 is 1.5mm, and the width of the conductive layer 4 is 1mm.
Specifically, referring to fig. 2, in the present embodiment, the conductive layers 4 are disposed at two ends of the magnetic core 1, and the conductive layer 4 at the same end includes two first conductive layers 41 and two second conductive layers 42 symmetrically disposed. The outer side surfaces of the first conductive layer 41 and the second conductive layer 42 are both rectangular, the height a of the first conductive layer 41 and the second conductive layer 42 is 1.5mm, and the width b of the first conductive layer 41 and the second conductive layer 42 is 1mm. It is worth noting that special tool and special to pressing from both sides the bat printing equipment have been adopted in the preparation of this inductor's conducting layer 4, and at the in-process of bat printing silver thick liquid, the silver thick liquid on the continuous 3 times toasts the conducting layer, and required temperature all is different at every turn, and the different temperatures of the cubic roast make the molecular structure of conducting layer produce the solidification of different levels to make the hardness of conducting layer higher, conducting layer 4 is more stable with external circuit connection.
Further, in a certain embodiment, two ends of the magnetic core 1 are respectively connected with a bonding pad 5 for being connected with a PCB, one side of the bonding pad 5 is plated with a connecting layer, and the connecting layer is made of a metallic tin material.
Further, in a certain embodiment, two sets of the pads 5 are provided, the two sets of the pads 5 are respectively located at two ends of the magnetic core 1, each set of the pads 5 includes a first pad 51 and a second pad 52, one side of each of the first pad 51 and the second pad 52 is connected to the magnetic core 1, and the other side of each of the first pad 51 and the second pad 52 is connected to the conductive layer 4.
Specifically, in this embodiment, in order to make the connection between the magnetic core 1 and the PCB more stable, the pads 5 of the present inductor are distributed at the four ends of the magnetic core 1. During the assembly of the PCB, the inductor is soldered to the PCB through the metallic tin on one side of the pad 5, and the inductor is electrically connected to the external circuit through the conductive layer 4 on the other side of the first pad 51 and the second pad 52.
Further, in an embodiment, the first pad 51 and the second pad 52 have the same shape and size, the lengths c of the first pad 51 and the second pad 52 are both 1mm, and the widths d of the first pad 51 and the second pad 52 are both 0.85mm.
Specifically, the pad 5 of the present embodiment is increased in size based on the pad size of the conventional inductor, so that the soldering between the inductor and the PCB is more stable, and the flatness of the inductor is higher.
Further, in an embodiment, the wires 2 at both ends of the winding 3 are connected to branch pins 6, and the wires 2 and the branch pins 6 are connected to the conductive layers 4 on the first pad 51 and the second pad 52, respectively.
Specifically, in the present embodiment, in order to make the electrical connection more stable, the lead wires 2 at both ends of the winding 3 are connected to the branch pins 6, the lead wires 2 and the branch pins 6 are respectively connected to the first conductive layer 41 and the second conductive layer 42 at the same end of the magnetic core 1, and the first conductive layer 41 and the second conductive layer 42 have larger contact areas, so that the electrical connection between the winding 3 and the external circuit is more stable.
Further, in one embodiment, the conductive layer 4 is made of tin metal, and the magnetic core 1 is made of ferrite.
Further, in an embodiment, the magnetic core 1 includes a winding portion 11 and a supporting portion 12 connecting two ends of the winding portion 11, where the supporting portion 12 is used to support the winding portion 11, and after the inductor is soldered to a PCB, a spacing distance may be formed between the winding 3 and the PCB, so as to prevent the winding 3 from contacting the PCB. Specifically, the length e of the winding portion 11 is 2.59mm, the length of the supporting portion 12 is equal to the width of the pad 5, and the length of the supporting portion 12 is 0.85mm.
In conclusion, the bonding pad 5 in the technical scheme is increased on the basis of the size of the bonding pad of the existing inductor, so that the inductor and the PCB are welded more stably, and the flatness of the inductor is higher; simultaneously, be provided with the conducting layer 4 that highly is 1.5mm respectively at the both ends of magnetic core 1, the wire 2 at 3 both ends of winding welds respectively on conducting layer 4 to it is more stable to make winding 3 and external circuit connect, and because conducting layer 4 replaces binding post, has simplified the manufacturing process of inductor, reduces the number of times of transporting of product, reduces the equipment and opens the degree of difficulty, reduces equipment input cost, and the manufacturing cost of inductor is lower, and the packaging efficiency is higher.
The above is only the optional embodiment of the utility model discloses a not consequently restriction the patent scope of the utility model, all be in the utility model discloses a under the design, utilize the equivalent structure transform that the content of the description and the attached drawing was made, or direct/indirect application all includes in other relevant technical field the utility model discloses a patent protection is within range.
Claims (10)
1. A novel inductor, comprising:
a magnetic core;
a wire wound around a surface of the magnetic core to form a winding; wherein the content of the first and second substances,
and conducting layers are electroplated at two ends of the magnetic core, and conducting wires at two ends of the winding are respectively welded with the conducting layers at two ends of the magnetic core.
2. The novel inductor as claimed in claim 1, wherein the height of the conductive layer is 1.5mm and the width of the conductive layer is 1mm.
3. The novel inductor as claimed in claim 1, wherein the two ends of the core are connected with pads for connecting with a PCB board, respectively.
4. The novel inductor as claimed in claim 3 wherein one side of the bonding pad is plated with a connecting layer.
5. The novel inductor as claimed in claim 3, wherein there are two sets of pads, the two sets of pads are respectively located at two ends of the magnetic core, each set of pads includes a first pad and a second pad, one side of the first pad and one side of the second pad are both connected to the magnetic core, and the other side of the first pad and the other side of the second pad are both connected to the conductive layer.
6. The novel inductor according to claim 5, wherein a branch pin is connected to the wires at both ends of the winding, and the wires and the branch pin are respectively connected to the conductive layers on the first pad and the second pad.
7. The novel inductor as claimed in claim 5, wherein the first and second pads are the same in shape and size, the first and second pads are each 1mm in length, and the first and second pads are each 0.85mm in width.
8. The novel inductor as claimed in claim 1, wherein the conductive layer is made of tin.
9. The novel inductor as claimed in claim 1, wherein said core is made of ferrite.
10. The novel inductor as claimed in claim 1, wherein the core includes a winding portion and a support portion connecting both ends of the winding portion, the winding portion has a length of 2.59mm, and the support portion has a length of 0.85mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222744689.1U CN218730314U (en) | 2022-10-18 | 2022-10-18 | Novel inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222744689.1U CN218730314U (en) | 2022-10-18 | 2022-10-18 | Novel inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218730314U true CN218730314U (en) | 2023-03-24 |
Family
ID=85587122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222744689.1U Active CN218730314U (en) | 2022-10-18 | 2022-10-18 | Novel inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218730314U (en) |
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2022
- 2022-10-18 CN CN202222744689.1U patent/CN218730314U/en active Active
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