CN111446063A - Sheet inductor - Google Patents
Sheet inductor Download PDFInfo
- Publication number
- CN111446063A CN111446063A CN202010275314.8A CN202010275314A CN111446063A CN 111446063 A CN111446063 A CN 111446063A CN 202010275314 A CN202010275314 A CN 202010275314A CN 111446063 A CN111446063 A CN 111446063A
- Authority
- CN
- China
- Prior art keywords
- spool
- cover body
- main part
- chip inductor
- bracing piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000003466 welding Methods 0.000 claims abstract description 26
- 239000003292 glue Substances 0.000 claims description 16
- 230000001681 protective effect Effects 0.000 claims description 15
- 229910000679 solder Inorganic materials 0.000 claims description 14
- 239000011229 interlayer Substances 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 10
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 208000033641 Ring chromosome 5 syndrome Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 210000003811 finger Anatomy 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/022—Encapsulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/266—Fastening or mounting the core on casing or support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
The invention discloses a sheet inductor, which structurally comprises a main body, a magnetic core column, a coil, pins, a welding spot protection mechanism, a detachable mechanism and an electrode plate, wherein the welding spot protection mechanism consists of a cover body, a telescopic hole, a wire tube and a limiting ring, the sheet inductor is used for sealing and protecting the welding spot of the pins by the welding spot protection mechanism, the low welding quality of the pins and the easy falling off of the pins are avoided, the connection reliability of the pins is improved, the wire tube is used for supporting the force transmitted on the whole sheet inductor by matching a supporting rod with a supporting plate, so that the main body is collided and cannot be easily deformed.
Description
Technical Field
The invention relates to the field of chip inductors, in particular to a chip inductor.
Background
In recent years, with the development of high-density packaging, it is required to reduce the size of the outer shape of the product and the size of the bottom electrode, and as the product becomes smaller, the cross section of the coil used tends to become smaller, and in this case, in the conventional method of forming the electrode on the molded body having the exposed winding terminal, there are problems of small joint area due to the small exposed area of the terminal, low connection reliability, and the like, and irregular bumps will appear on the soldering plate after soldering, resulting in low soldering quality, and the occurrence of a situation of easy falling-off, which affects the quality of the inductor. The existing inductor has a too simple structure, components such as a coil, an iron core and the like in the existing inductor cannot be replaced, and the inductor can only be replaced again when the coil in the existing inductor is blown, so that the inductor is very waste.
Disclosure of Invention
Aiming at the defects of the prior art, the invention is realized by the following technical scheme: the utility model provides a slice inductor, its structure includes main part, core leg, coil, pin, solder joint protection mechanism, detachable mechanism, electrode slice, main part internally mounted have the core leg, the core leg on be equipped with the coil, core leg and coil be connected, the main part top on be equipped with detachable mechanism, main part and detachable mechanism swing joint, main part bottom have the electrode slice, main part and electrode slice glue and connect, electrode slice bottom have two pins, electrode slice and pin electricity connect, the pin on the surface install solder joint protection mechanism.
As a further optimization of the technical scheme, the left end and the right end of the main body are respectively provided with an inserting hole, and the left side and the right side inside the main body are respectively provided with a wire groove.
As the further optimization of this technical scheme, solder joint protection machanism constitute by the cover body, flexible hole, spool, spacing ring, cover body top intermediate position on be equipped with flexible hole, cover body top on be equipped with the spool, the cover body and spool sliding fit, spool bottom have the spacing ring, spool and spacing ring structure as an organic whole.
As a further optimization of the technical scheme, an insulating rubber sheet is arranged below the bottom end of the cover body, and the cover body is connected with the insulating rubber sheet in an adhesive mode.
As a further optimization of the technical scheme, the inner side of the cover body is provided with welding spot protective glue, and the cover body is fixedly connected with the welding spot protective glue.
As the further optimization of this technical scheme, the spool still include pole groove, pivot, bracing piece, fagging, spool peripheral surface on equidistantly distributed be equipped with four pole grooves, the pole groove on be equipped with the bracing piece, bracing piece and spool pass through pivot swing joint, the bracing piece top on be equipped with the fagging, bracing piece and fagging fixed connection.
As the further optimization of this technical scheme, detachable mechanism constitute by the lid, insert the post, protection curb plate, lock strip, the lid about both ends all be equipped with the protection curb plate, lid and protection curb plate fixed connection, protection curb plate bottom inboard have the lock strip, protection curb plate and lock strip structure as an organic whole, the lid bottom have the post of inserting, the lid with insert the post and be connected.
As a further optimization of the technical scheme, a rubber interlayer is arranged on the surface of the inner side of the protection side plate, and the protection side plate is connected with the rubber interlayer through glue.
As the further optimization of the technical scheme, the cover body is made of resin materials, is not easy to damage and has low manufacturing cost.
As a further optimization of the technical scheme, the coil is connected with the pins.
As a further optimization of the technical scheme, the inserting column is buckled with the main body through the inserting hole.
Advantageous effects
The invention relates to a sheet inductor, wherein the sheet inductor is welded on a circuit board through pins in an electric welding manner, a cover body on the pins is moved downwards, the cover body wraps the welding points of the pins through welding point protective glue for sealing protection, and can be effectively cooled through the welding point protective glue, the cover body and the circuit board are fixed together by using an insulating rubber sheet, when the cover body moves downwards, the upper end part of a wire tube is separated from the constraint of a telescopic hole, a supporting rod on the wire tube automatically swings outwards, the supporting rod supports the main body through a supporting plate so that the main body cannot be deformed due to collision, when a coil on a magnetic core column is burnt out due to overlarge current, only a buckling strip under the cover body needs to be pulled outwards, so that the cover body can remove a protective side plate from the main body, the cover body simultaneously separates a plug column from a jack, and a user can replace a new coil again, and a new coil is led to the electrode plate from the wire groove on the main body so as to be electrically welded.
Compared with the prior art, the invention has the beneficial effects that: chip inductor passes through solder joint protection mechanism and seals up the protection to pin welding point parcel, it is low to avoid pin welding quality, the condition that drops easily takes place, pin connection reliability has been increased, the spool utilizes bracing piece cooperation fagging to support the power that chip inductor transmitted on the whole, make the main part receive the collision and the condition that can not appear warping easily, this design has increased chip inductor installation quality, and life, chip inductor can change the coil through detachable mechanism, the utilization rate of chip inductor has been improved, and the waste of material has been saved.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural diagram of a chip inductor according to the present invention.
Fig. 2 is a schematic structural view of the main body of the present invention.
Fig. 3 is a schematic front sectional view of the welding spot protection mechanism of the present invention.
FIG. 4 is a schematic top view of a cross-sectional structure of the solder joint protection mechanism of the present invention.
Fig. 5 is a schematic structural view of the conduit of the present invention.
Fig. 6 is a schematic structural diagram of the detachable mechanism of the present invention.
In the figure: the welding spot protection device comprises a main body-1, a magnetic core column-2, a coil-3, pins-4, a welding spot protection mechanism-5, a detachable mechanism-6, an electrode plate-7, an insertion hole-1 a, a wire groove-1 b, a cover body-5 a, a telescopic hole-5 b, a wire pipe-5 c, a limiting ring-5 d, an insulating rubber sheet-5 a1, welding spot protection glue-5 a2, a rod groove-5 c1, a rotating shaft-5 c2, a supporting rod-5 c3, a supporting plate-5 c4, a cover body-6 a, an insertion column-6 b, a protection side plate-6 c, a buckling strip-6 d and a rubber interlayer-6 c 1.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.
Example 1
Referring to fig. 1-5, the present invention provides a sheet inductor, which structurally includes a main body 1, a core post 2, a coil 3, pins 4, a solder joint protection mechanism 5, a detachable mechanism 6, and electrode plates 7, wherein the core post 2 is installed inside the main body 1, the coil 3 is disposed on the core post 2, the core post 2 is connected to the coil 3, the detachable mechanism 6 is disposed on the top end of the main body 1, the main body 1 is movably connected to the detachable mechanism 6, the electrode plates 7 are disposed under the bottom end of the main body 1, the main body 1 is connected to the electrode plates 7 by glue, the two pins 4 are disposed under the bottom end of the electrode plates 7, the electrode plates 7 are electrically connected to the pins 4, and the solder joint protection mechanism 5 is installed on the surfaces of the pins 4.
The main part 1 all be equipped with jack 1a on both ends about, main part 1 inside all be equipped with wire casing 1b on the left and right sides.
Solder joint protection machanism 5 constitute by the cover body 5a, telescopic hole 5b, spool 5c, spacing ring 5d, the cover body 5a top intermediate position on be equipped with telescopic hole 5b, the cover body 5a top on be equipped with spool 5c, the cover body 5a and spool 5c sliding fit, spool 5c bottom have spacing ring 5d, spool 5c and spacing ring 5d structure as an organic whole.
An insulating rubber sheet 5a1 is arranged below the bottom end of the cover body 5a, and the cover body 5a is connected with an insulating rubber sheet 5a1 through glue.
Welding point protective glue 5a2 is arranged on the inner side of the cover body 5a, and the cover body 5a is fixedly connected with the welding point protective glue 5a 2.
Spool 5c still include pole groove 5c1, pivot 5c2, bracing piece 5c3, fagging 5c4, spool 5c peripheral surface on the equidistance distribute be equipped with four pole grooves 5c1, pole groove 5c1 on be equipped with bracing piece 5c3, bracing piece 5c3 and spool 5c pass through pivot 5c2 swing joint, bracing piece 5c3 top on be equipped with fagging 5c4, bracing piece 5c3 and fagging 5c4 fixed connection.
The principle of the embodiment: with chip inductor through pin 4 electric welding on the circuit board, cover body 5a with on pin 4 moves down, cover body 5a seals the protection with pin 4 welding point parcel through solder joint protective adhesive 5a2, and can effectually cool down it through solder joint protective adhesive 5a2, utilize insulating film 5a1 to cover body 5a and circuit board together fixed, after cover body 5a moves down, spool 5c upper end part has broken away from the constraint of telescopic hole 5b, bracing piece 5c3 on the spool 5c is automatic toward the outer swing, bracing piece 5c3 passes through the power that comes on the bracing piece 5c4 support main part 1, make main part 1 can not receive the collision and the circumstances of deformation appears.
The method for solving the problems in the embodiment is as follows: chip inductor passes through solder joint protection mechanism 5 and seals up the protection to pin 4 welding point parcel, it is low to avoid pin 4 welding quality, the condition that drops easily takes place, pin 4 connection reliability has been increased, spool 5c utilizes bracing piece 5c3 cooperation fagging 5c4 to support the whole power that comes of chip inductor for main part 1 receives the collision and the condition that can not appear warping easily, this design has increased chip inductor installation quality, and life.
Example 2
Referring to fig. 1 to 6, the present invention provides a chip inductor, wherein the detachable mechanism 6 includes a cover 6a, an insertion post 6b, a protection side plate 6c, and a fastening strip 6d, the protection side plate 6c is disposed under both left and right ends of the cover 6a, the cover 6a and the protection side plate 6c are fixedly connected, the fastening strip 6d is disposed under the inner side of the bottom end of the protection side plate 6c, the protection side plate 6c and the fastening strip 6d are integrated, the insertion post 6b is disposed under the bottom end of the cover 6a, and the cover 6a and the insertion post 6b are connected.
The inner side surface of the protective side plate 6c is provided with a rubber interlayer 6c1, and the protective side plate 6c is connected with the rubber interlayer 6c1 through glue.
Lid 6a adopt the resin material preparation, not fragile, and the cost is low, coil 3 and pin 4 be connected, post 6b and main part 1 pass through jack 1a looks lock.
The principle of the embodiment: when coil 3 on the core leg 2 caused the burnout because the electric current is too big, only need to break off with the fingers and thumb buckling strip 6d under the lid 6a outward, let lid 6a can demolish protection curb plate 6c from main part 1, lid 6a breaks away from with jack 1a with inserting post 6b simultaneously, lets the user can change a new coil 3 again, on drawing electrode slice 7 with new coil 3 from wire casing 1b on the main part 1 to the electric welding.
The method for solving the problems in the embodiment is as follows: the chip inductor can replace the coil 3 through the detachable mechanism 6, so that the utilization rate of the chip inductor is improved, and the waste of materials is saved.
While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a slice inductor, its structure includes main part (1), core limb (2), coil (3), pin (4), solder joint protection machanism (5), can dismantle mechanism (6), electrode slice (7), its characterized in that: main part (1) internally mounted have core leg (2), core leg (2) on be equipped with coil (3), core leg (2) and coil (3) be connected, main part (1) top on be equipped with detachable mechanism (6), main part (1) and detachable mechanism (6) swing joint, main part (1) bottom have electrode slice (7), main part (1) and electrode slice (7) glue and connect, electrode slice (7) bottom have two pins (4), electrode slice (7) and pin (4) electricity connect, pin (4) install solder joint protection machanism (5) on the surface.
2. A chip inductor according to claim 1, characterized in that: the main part (1) all be equipped with jack (1a) on both ends about, main part (1) inside all be equipped with wire casing (1b) on the left and right sides.
3. A chip inductor according to claim 1, characterized in that: solder joint protection machanism (5) constitute by the cover body (5a), flexible hole (5b), spool (5c), spacing ring (5d), the cover body (5a) top intermediate position on be equipped with flexible hole (5b), the cover body (5a) top on be equipped with spool (5c), the cover body (5a) and spool (5c) sliding fit, spool (5c) bottom have spacing ring (5d), spool (5c) and spacing ring (5d) structure as an organic whole.
4. A chip inductor according to claim 3, characterized in that: the mask body (5a) bottom under be equipped with insulating film (5a1), the mask body (5a) and insulating film (5a1) glue connection.
5. A chip inductor according to claim 3 or 4, characterized in that: welding point protective glue (5a2) is arranged on the inner side of the cover body (5a), and the cover body (5a) is fixedly connected with the welding point protective glue (5a 2).
6. A chip inductor according to claim 3, characterized in that: spool (5c) still include pole groove (5c1), pivot (5c2), bracing piece (5c3), fagging (5c4), spool (5c) peripheral surface on equidistance distribute and be equipped with four pole grooves (5c1), pole groove (5c1) on be equipped with bracing piece (5c3), bracing piece (5c3) and spool (5c) through pivot (5c2) swing joint, bracing piece (5c3) top on be equipped with fagging (5c4), bracing piece (5c3) and fagging (5c4) fixed connection.
7. A chip inductor according to claim 1, characterized in that: detachable mechanism (6) by lid (6a), insert post (6b), protection curb plate (6c), lock strip (6d) and constitute, lid (6a) all be equipped with protection curb plate (6c) under both ends about, lid (6a) and protection curb plate (6c) fixed connection, protection curb plate (6c) bottom inboard have lock strip (6d), protection curb plate (6c) and lock strip (6d) structure as an organic whole, lid (6a) bottom have and insert post (6b), lid (6a) and insert post (6b) and be connected.
8. The chip inductor according to claim 7, wherein: the rubber interlayer (6c1) is arranged on the inner side surface of the protective side plate (6c), and the protective side plate (6c) is connected with the rubber interlayer (6c1) through glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010275314.8A CN111446063A (en) | 2020-04-09 | 2020-04-09 | Sheet inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010275314.8A CN111446063A (en) | 2020-04-09 | 2020-04-09 | Sheet inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111446063A true CN111446063A (en) | 2020-07-24 |
Family
ID=71652933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010275314.8A Withdrawn CN111446063A (en) | 2020-04-09 | 2020-04-09 | Sheet inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111446063A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113921224A (en) * | 2021-09-10 | 2022-01-11 | 清流伊科电子科技有限公司 | SMD inductor |
| CN120261139A (en) * | 2025-03-07 | 2025-07-04 | 临沂金鲁新能源科技有限公司 | A high current potting inductor and a manufacturing method thereof |
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| JPH04164358A (en) * | 1990-10-29 | 1992-06-10 | Nec Corp | Thick film printed board provided with i/o pins |
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| CN205920861U (en) * | 2016-08-30 | 2017-02-01 | 长兴华强电子股份有限公司 | Inductor |
| CN207718995U (en) * | 2018-01-17 | 2018-08-10 | 乐清市世创电子有限公司 | A kind of direct insertion band filter network transformer |
| CN207800293U (en) * | 2017-12-26 | 2018-08-31 | 四川恒科伟科技有限公司 | A kind of water-tight device for inductor |
| CN208093342U (en) * | 2018-04-25 | 2018-11-13 | 长兴索菲特电子股份有限公司 | A kind of mould pressing winding inductor |
| CN208538614U (en) * | 2018-08-06 | 2019-02-22 | 嵊州市兰花电器科技有限公司 | A kind of easy-to-dismount inductor |
| CN208796587U (en) * | 2018-08-01 | 2019-04-26 | 杭州科力光电科技有限公司 | A kind of pin stable type LED charactrons |
| CN208889453U (en) * | 2018-10-25 | 2019-05-21 | 怀化华晨电子科技有限公司 | A kind of piezoelectric ceramics inductor |
| CN209216734U (en) * | 2019-01-18 | 2019-08-06 | 深圳市龙威信节能技术有限公司 | A kind of new-type painting envelope I-shaped inductance |
| CN210015849U (en) * | 2019-08-15 | 2020-02-04 | 深圳晟盈微电子有限公司 | Detachable field effect transistor of pin protective housing |
| CN211406435U (en) * | 2019-11-30 | 2020-09-01 | 深圳市智微智能科技股份有限公司 | Printed circuit board pad for radio frequency calibration |
-
2020
- 2020-04-09 CN CN202010275314.8A patent/CN111446063A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04164358A (en) * | 1990-10-29 | 1992-06-10 | Nec Corp | Thick film printed board provided with i/o pins |
| CN103231242A (en) * | 2013-04-26 | 2013-08-07 | 吴江市博众精工科技有限公司 | Rotary mechanism |
| CN205920861U (en) * | 2016-08-30 | 2017-02-01 | 长兴华强电子股份有限公司 | Inductor |
| CN207800293U (en) * | 2017-12-26 | 2018-08-31 | 四川恒科伟科技有限公司 | A kind of water-tight device for inductor |
| CN207718995U (en) * | 2018-01-17 | 2018-08-10 | 乐清市世创电子有限公司 | A kind of direct insertion band filter network transformer |
| CN208093342U (en) * | 2018-04-25 | 2018-11-13 | 长兴索菲特电子股份有限公司 | A kind of mould pressing winding inductor |
| CN208796587U (en) * | 2018-08-01 | 2019-04-26 | 杭州科力光电科技有限公司 | A kind of pin stable type LED charactrons |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113921224A (en) * | 2021-09-10 | 2022-01-11 | 清流伊科电子科技有限公司 | SMD inductor |
| CN113921224B (en) * | 2021-09-10 | 2023-12-12 | 厦门伊科电子有限公司 | SMD inductor |
| CN120261139A (en) * | 2025-03-07 | 2025-07-04 | 临沂金鲁新能源科技有限公司 | A high current potting inductor and a manufacturing method thereof |
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Application publication date: 20200724 |