CN109148116A - A kind of inductance element and preparation method thereof - Google Patents

A kind of inductance element and preparation method thereof Download PDF

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Publication number
CN109148116A
CN109148116A CN201810924032.9A CN201810924032A CN109148116A CN 109148116 A CN109148116 A CN 109148116A CN 201810924032 A CN201810924032 A CN 201810924032A CN 109148116 A CN109148116 A CN 109148116A
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CN
China
Prior art keywords
core
covering
inductance element
foot
accommodation space
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CN201810924032.9A
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Chinese (zh)
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CN109148116B (en
Inventor
罗鹏程
谭隆竞
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Meilei Electronic Technology Kunshan Co ltd
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CHONGQING MAGIC ELECTRONIC SCIENCE & TECHNOLOGY Co Ltd
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Priority to CN201810924032.9A priority Critical patent/CN109148116B/en
Publication of CN109148116A publication Critical patent/CN109148116A/en
Application granted granted Critical
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/29Terminals; Tapping arrangements for signal inductances
    • H01F27/292Surface mounted devices
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/34Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36Electric or magnetic shields or screens
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Coils Or Transformers For Communication (AREA)

Abstract

The invention discloses a kind of inductance elements and preparation method thereof comprising core, pin and covering;In the core and outer surface of the core is provided with conductive coil;The pin connects the conductive coil and is pierced by from the core, to extend along the outer surface of the core;The covering has accommodation space, and the accommodation space can coat the core and the exposed pin;The covering includes the opening and baffle positioned at the accommodation space opposite sides;The core from the opening enters the accommodation space and against to the baffle.The opening of the covering is directly entered the accommodation space for the core, and the baffle can be by the core location in the accommodation space, so that the inductance element is conducive to the Automation Design.

Description

A kind of inductance element and preparation method thereof
Technical field
The present invention relates to electronic component technology fields more particularly to a kind of inductance element and preparation method thereof.
Background technique
Inductance element is a kind of passive electronic component that can store electric energy in the form of magnetic flux,
Can because by the change of electric current generate electromotive force, to resist the change of electric current, this attribute is known as inductance. Section has filtering and concussion effect, interference, ELECTROMAGNETIC RADIATION SHIELDING, filter current also with electromagnetic wave to inductance element in circuit In the functions such as noise.Inductance element has wide range of applications, including power supply unit, monitor, interchanger, motherboard, sweeps Retouch device, telephone set, modem etc..
In general, inductance element may include the magnetic material outer cover of coil and cladding coil, this inductance element is usual Friendly shielding construction can be given up, is influenced to avoid the electronic component on circuit board by the electromagnetic radiation of inductance element, for example, in circuit Big barricade is set to cover and need shielded electronic component on circuit board, but complex manufacturing process on plate, and is not easy to certainly Dynamicization design.
Therefore, the existing technology needs to be improved and developed.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, provide a kind of inductance element and Its production method, it is intended to solve the problem of that inductance element complex manufacturing process is not easy to the Automation Design in the prior art.
The technical proposal for solving the technical problem of the invention is as follows:
A kind of inductance element comprising core, pin and covering;In the core and outer surface of the core is provided with Conductive coil;The pin connects the conductive coil and is pierced by from the core, to extend along the outer surface of the core; The covering has accommodation space, and the accommodation space can coat the core and the exposed pin;The covering packet Include the opening and baffle positioned at the accommodation space opposite sides;The core enters the accommodation space from the opening and supports By the extremely baffle.
The inductance element, wherein the outer surface of the core includes first side, second side, third side, top surface And bottom surface, the second side is opposite with the first side, the first side, the second side with the third side Face, the 4th side connection, the 4th side is opposite with the third side, the first side, the second side, The third side and the 4th side are connect with the top surface, the bottom surface, and the bottom surface is opposite with the top surface.
The inductance element, wherein the pin includes the first foot and the second foot;First foot is along described One side is pierced by, with along the first side extend to the bottom surface and with the bottom surface against;Second foot is along institute Second side is stated to be pierced by, with along the second side extend to the bottom surface and with the bottom surface against;First foot It is flushed with second foot.
The inductance element, wherein the baffle is against the first side or the second side.
The inductance element, wherein the covering includes the emulsion sheet for connecting the baffle, opposite from the emulsion sheet The first extended Extendible flake of two sides and the second Extendible flake, the first bent sheet being connect with first Extendible flake, Yi Jiyu Second bent sheet of the second Extendible flake connection.
The inductance element, wherein the emulsion sheet covers the top surface, and first Extendible flake covers the third side Face, second Extendible flake cover the 4th side, and first bent sheet and second bent sheet are against described in Bottom surface, first bent sheet are flushed with second bent sheet.
The inductance element, wherein have between first bent sheet and second bent sheet and is spaced, described first Foot and second foot extend to the bottom surface and expose from the interval.
The inductance element, wherein the covering further include the first welding piece being arranged in first bent sheet, And the second welding piece in second bent sheet is set, first welding piece is flushed with second welding piece.
The inductance element, wherein the covering is integrally formed by metal plate.
A kind of production method of inductance element comprising following steps:
Offer is embedded with conductive coil and the exposed core for having pin, wherein the pin is electrically connected simultaneously with the conductive coil It is pierced by from the core to extend along the outer surface of the core;
Metal plate is integrally formed to covering, wherein the covering is comprising accommodation space and is located at the accommodation space The opening and baffle of opposite sides;
By the core from the opening insertion accommodation space and against to the baffle, make described in the covering cladding Core and the exposed pin.
The utility model has the advantages that heretofore described first bent sheet and second bent sheet respectively from first Extendible flake, Second Extendible flake is bent to the bottom surface, and first welding piece and second welding piece is allow to be bent to the bottom Face, to be directly inserted in the covering for the core, without bending first weldering again after the core is inserted in Contact pin and second welding piece, and the shielding plate can be to the core location, so that the inductance element is conducive to automation Design.
Detailed description of the invention
Fig. 1 is the exploded view of inductance element of the present invention;
Fig. 2 is the constitutional diagram of inductance element of the present invention;
Fig. 3 is the first view of heretofore described core;
Fig. 4 is the second view of heretofore described core;
Fig. 5 is the third view of heretofore described core;
Fig. 6 is the 4th view of heretofore described core;
Fig. 7 is the 5th view of heretofore described core;
Fig. 8 is the first view of heretofore described covering;
Fig. 9 is the second view of heretofore described covering;
Figure 10 is the third view of heretofore described covering;
Figure 11 is the 4th view of heretofore described covering;
Figure 12 is the 5th view of heretofore described covering;
Figure 13 is the first view of inductance element of the present invention;
Figure 14 is the second view of inductance element of the present invention;
Figure 15 is the third view of inductance element of the present invention;
Figure 16 is the 4th view of inductance element of the present invention;
Figure 17 is the 5th view of inductance element of the present invention;
Figure 18 is the flow chart of the production method of inductance element of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer and more explicit, right as follows in conjunction with drawings and embodiments The present invention is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and do not have to It is of the invention in limiting.
Please refer to Fig. 1-Figure 18.The present invention provides a kind of inductance element, as depicted in figs. 1 and 2, the inductance element Including core 3, conductive coil, pin 2 and covering 4;The pin 2 is connect with the conductive coil;The pin 2 is described in Core 3 is pierced by from inside to outside, to extend along the outer surface of the core 3;The covering 4 coats the core 3 and exposed institute State pin 2.
As shown in Fig. 3-Fig. 7, the outer surface of the core 3 includes first side 32, second side 33, third side, Four sides 35, top surface 31 and bottom surface 34, the second side 33 is opposite with the first side 32, the first side 32, institute It states second side 33 and connect (the i.e. described first side 32, the second side with the third side, the 4th side 35 33 connect with the third side, meanwhile, the first side 32, the second side 33 connect with the 4th side 35 Connect), the 4th side 35 is opposite with the third side, the first side 32, the second side 33, the third side Face and the 4th side 35 connect (the i.e. described first side 32, the second side with the top surface 31, the bottom surface 34 33, the third side and the 4th side 35 are connect with the top surface 31, meanwhile, the first side 32, described Two side faces 33, the third side and the 4th side 35 are connect with the bottom surface 34), the bottom surface 34 and the top surface 31 is opposite.
In general, the available such as iron of the material of the core 3, ferroalloy, iron powder, ferroalloy powder, ferrite or its Its magnetic material, wherein ferrite can be the ferrite compounds containing nickel zinc (NiZn) or MnZn (MnZn), and iron alloy powder End may include iron nickel-molybdenum alloy, iron alpax or iron-nickel alloy.In addition, the core 3 can magnetic material (such as one kind or more Kind iron powder) and non-magnetic material (such as resin sticker or filler) mixed-forming, while the conductive coil is coated on it In and be integrally formed.
The pin 2 includes the first foot 21a and the second foot 21b;The first foot 21a is along the first side 32 Be pierced by, with along the first side 32 extend to the bottom surface 34 and with the bottom surface 34 against;The edge second foot 21b The second side 33 is pierced by, with along the second side 33 extend to the bottom surface 34 and with the bottom surface 34 against;Institute The first foot 21a is stated to flush with the second foot 21b.As shown in Fig. 3-Fig. 7, preferred embodiment, the first foot 21a It is pierced by respectively from the opposite sides face of the core 3 with the second foot 21b;Another preferred embodiment, first foot Portion 21a and the second foot 21b can be pierced by from the same side of the core 3.
As shown in Fig. 8-Figure 12, the covering 4 has accommodation space, and the accommodation space can coat the core 3 simultaneously The exposed pin;The covering 4 includes being located at described in opening 46 and the baffle 45, connection of the accommodation space opposite sides The emulsion sheet 41 of baffle 45, the first Extendible flake 42a that setting is extended downwardly from 41 opposite sides of emulsion sheet and second extend Piece 42b, the first bent sheet 43a being connect with the first Extendible flake 42a, and connect with the second Extendible flake 42b Two bent sheet 43b;The core 3 enters the accommodation spaces and against to the baffle 45 from the opening 46.
The emulsion sheet 41, the first Extendible flake 42a, the second Extendible flake 42b, the first bent sheet 43a, institute State the second bent sheet 43b, the first welding piece 44a, 46 structures of the second welding piece 44b, the baffle 45 and the opening At the accommodation space, so that the covering 4, at hollow, the opening 46 and the baffle 45 are located at the receiving The opposite sides in space, and the first bent sheet 43a and the second bent sheet 43b be separated from each other and not in contact with.Further , the first Extendible flake 42a is flushed with the second Extendible flake 42b, the first bent sheet 43a and second bent sheet 43b is flushed, and the first welding piece 44a is flushed with the second welding piece 44b.The covering 4 can be by a metal Plate carries out punching press or extends being made and being integrally formed.
As shown in Figure 13-Figure 17, the covering 4 coats the core 3, and the exposed first foot 21a and described Second foot 21b.The top surface 31 is completely covered for the emulsion sheet 41 covering, and the first Extendible flake 42a is by the third Side is completely covered, and the 4th side 35 is completely covered the second Extendible flake 42b, the baffle 45 only covering part institute Second side 33 is stated, the opening 46 is all exposed by the first side 32, and the first bent sheet 43a prolongs from described first It stretches piece 42a extension to be bent to the bottom surface 34 and be resisted against the bottom surface 34, the second bent sheet 43b extends from described second Piece 42b extension is bent to the bottom surface 34 and is resisted against the bottom surface 34, so that the core 3 is contained in the accommodation space It is interior.Further, the first foot 21a can be exposed from the opening 46, and the second foot 21b is not covered by the baffle 45 Lid, and the interval between the first bent sheet 43a of the bottom surface 34 and the second bent sheet 43b can allow against institute The the first foot 21a and the second foot 21b for stating bottom surface 34 expose.
Preferred embodiment, as shown in Figure 13-Figure 17, the second side 33 is against the baffle 45;It is another preferable Embodiment, the first side 32 is against the baffle 45, and the opening 46 keeps the second side 33 exposed, and makes institute It states the first Extendible flake 42a and covers the 4th side 35, the second Extendible flake 42b covering third side.
The present invention also provides a kind of production methods of inductance element, and as shown in figure 18, the production method includes following step It is rapid:
S11, offer are embedded with conductive coil and the exposed core for having pin, wherein the pin is electrically connected with the conductive coil It connects and is pierced by from the core to extend along the outer surface of the core;
S12, metal plate is integrally formed to covering, wherein the covering is comprising accommodation space and is located at the receiving The opening and baffle of space opposite sides;
S13, the core from the opening is inserted into the accommodation space and against to the baffle, coats the covering The core and the exposed pin.
In conclusion the present invention provides a kind of inductance element and preparation method thereof comprising core, pin and covering; In the core and outer surface of the core is provided with conductive coil;The pin connects the conductive coil and described in Core is pierced by, to extend along the outer surface of the core;The covering has accommodation space, and the accommodation space can coat The core and the exposed pin;The covering includes the opening and baffle positioned at the accommodation space opposite sides;Institute It states core and from the opening enters the accommodation space and against to the baffle.The opening of the covering is for the core It is directly entered the accommodation space, and the baffle can be by the core location in the accommodation space, so that the inductance Element is conducive to the Automation Design.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention Protect range.

Claims (10)

1. a kind of inductance element, which is characterized in that it includes core, pin and covering;In the core and the core Outer surface is provided with conductive coil;The pin connects the conductive coil and is pierced by from the core, along the core The outer surface of body extends;The covering has an accommodation space, and the accommodation space can coat the core and exposed described draw Foot;The covering includes the opening and baffle positioned at the accommodation space opposite sides;The core enters from the opening The accommodation space and against to the baffle.
2. inductance element according to claim 1, which is characterized in that the outer surface of the core includes first side, second Side, third side, top and bottom, the second side is opposite with the first side, the first side, described second Side is connect with the third side, the 4th side, and the 4th side is opposite with the third side, and described first Side, the second side, the third side and the 4th side are connect with the top surface, the bottom surface, the bottom Face is opposite with the top surface.
3. inductance element according to claim 2, which is characterized in that the pin includes the first foot and the second foot;Institute It states the first foot to be pierced by along the first side, to extend to the bottom surface along the first side and support with the bottom surface It leans on;Second foot is pierced by along the second side, with along the second side extend to the bottom surface and with the bottom Face against;First foot flushes with second foot.
4. inductance element according to claim 2, which is characterized in that the baffle is against the first side or described second Side.
5. inductance element according to claim 3, which is characterized in that the covering includes connecting the covering of the baffle Piece is connect from the first extended Extendible flake of the emulsion sheet opposite sides and the second Extendible flake, with first Extendible flake The first bent sheet, and the second bent sheet being connect with second Extendible flake.
6. inductance element according to claim 5, which is characterized in that the emulsion sheet covers the top surface, and described first prolongs It stretches piece and covers the third side, second Extendible flake covers the 4th side, first bent sheet and described second Against to the bottom surface, first bent sheet flushes bent sheet with second bent sheet.
7. inductance element according to claim 5, which is characterized in that between first bent sheet and second bent sheet With interval, first foot and second foot extend to the bottom surface and expose from the interval.
8. inductance element according to claim 5, which is characterized in that the covering further includes setting in first bending First welding piece of on piece and the second welding piece being arranged in second bent sheet, first welding piece with it is described Second welding piece flushes.
9. inductance element according to claim 1, which is characterized in that the covering is integrally formed by metal plate.
10. a kind of production method of inductance element, which is characterized in that it includes the following steps:
Offer is embedded with conductive coil and the exposed core for having pin, wherein the pin is electrically connected simultaneously with the conductive coil It is pierced by from the core to extend along the outer surface of the core;
Metal plate is integrally formed to covering, wherein the covering is comprising accommodation space and is located at the accommodation space The opening and baffle of opposite sides;
By the core from the opening insertion accommodation space and against to the baffle, make described in the covering cladding Core and the exposed pin.
CN201810924032.9A 2018-08-14 2018-08-14 Inductance element and manufacturing method thereof Active CN109148116B (en)

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Application Number Priority Date Filing Date Title
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CN109148116A true CN109148116A (en) 2019-01-04
CN109148116B CN109148116B (en) 2024-08-30

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170309394A1 (en) * 2016-04-20 2017-10-26 Vishay Dale Electronics, Llc Shielded inductor and method of manufacturing
CN108073242A (en) * 2016-11-16 2018-05-25 中兴通讯股份有限公司 A kind of hard disk shielding case, hard disk rack and terminal
CN208589344U (en) * 2018-08-14 2019-03-08 重庆美桀电子科技有限公司 A kind of inductance element

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170309394A1 (en) * 2016-04-20 2017-10-26 Vishay Dale Electronics, Llc Shielded inductor and method of manufacturing
CN108073242A (en) * 2016-11-16 2018-05-25 中兴通讯股份有限公司 A kind of hard disk shielding case, hard disk rack and terminal
CN208589344U (en) * 2018-08-14 2019-03-08 重庆美桀电子科技有限公司 A kind of inductance element

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