CN207529748U - A kind of efficient integrated inductor - Google Patents

A kind of efficient integrated inductor Download PDF

Info

Publication number
CN207529748U
CN207529748U CN201721429533.7U CN201721429533U CN207529748U CN 207529748 U CN207529748 U CN 207529748U CN 201721429533 U CN201721429533 U CN 201721429533U CN 207529748 U CN207529748 U CN 207529748U
Authority
CN
China
Prior art keywords
shaped iron
shielding cover
integrated inductor
efficient integrated
magnetic shielding
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.)
Active
Application number
CN201721429533.7U
Other languages
Chinese (zh)
Inventor
文成波
陈敦朋
李经伟
刘雪琴
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Dazhong Electronics Co Ltd
Original Assignee
Dongguan Dazhong Electronics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dongguan Dazhong Electronics Co Ltd filed Critical Dongguan Dazhong Electronics Co Ltd
Priority to CN201721429533.7U priority Critical patent/CN207529748U/en
Application granted granted Critical
Publication of CN207529748U publication Critical patent/CN207529748U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Coils Or Transformers For Communication (AREA)

Abstract

The utility model is related to inductors technique fields, and in particular to a kind of efficient integrated inductor, including two E shaped iron cores, and upper extension and lower extension that the E shaped iron cores include wound portion and each extended over by wound portion upper and lower ends;Two coiling groups, a coiling group are wound in the wound portion of an E shaped iron core, and coiling group is equipped with input terminal and output terminal;Magnetic shielding cover, the E shaped iron cores are set in magnetic shielding cover, the side of the magnetic shielding cover is equipped with the first leading foot and the second leading foot, and the input terminal of two coiling groups is electrically connected with the first leading foot, and the output terminal of two coiling groups is electrically connected with the second leading foot.Two coiling groups of the utility model are set with parallel way, can greatly reduce the resistance of coiling group, so as to reduce the quantity of heat production of inductor;In addition, the setting of magnetic shielding cover can also avoid the direct exposed of iron core to avoid magnetic loss and magnetic disturbance, so as to improve the working efficiency of inductor and service life.

Description

A kind of efficient integrated inductor
Technical field
The utility model is related to inductors technique fields, and in particular to a kind of efficient integrated inductor.
Background technology
Inductor (Inductor) is also known as coil (coil), is one kind of passive component, has and resists any electric current change The electronic building brick of change, it is wrapped core material by coil and forms, and core material can be magnetic material or non-magnetic material.Inductor is to borrow Changed by coil current, and generate magnetic flux change, according to the component that the phenomenon that magnetic field makes, the source in wherein magnetic field is charge It is flowing, i.e. electric current.The electric current of exchange can generate magnetic field, and the magnetic field changed can induce electric current, the ratio of linear relationship, We are known as inductance.
Usually there was only what plain conductor was coiled into, have self-induction action, with more than one conducting wire coiling, then have mutual inductance work With.The function of inductor is the noise in filter current, the electric current in stabilizing circuit, to prevent Electromagnetic Interference, effect with Capacitor is similar, be equally to store, the electric energy in release circuit adjust the stability of electric current, only capacitance is with electric field The form of (charge) stores electric energy, and inductance is to be reached in the form of magnetic field.
It can mutually be converted between electricity and magnetic, magnetic field can be generated around the conducting wire that electric current flows through;Opposite, cutting magnetic line Coil in can generate electric current.The construction of inductance is that conducting wire is coiled into coil close to each other, when the current flows, wherein can fill Full magnetic energy, electric current become hour, and the magnetic energy in coil can generate one strength, prevent curent change.
At the same time, since conducting wire has internal resistance, during electromagnetic conversion, inductor can generate heat, to maintain The Efficient Operation of inductor, it is inevitable also to have a large amount of heat generation, cause great security risk.
Invention content
In order to overcome shortcoming and defect in the prior art, the purpose of this utility model is to provide a kind of productions of heat Raw low efficient integrated inductor.
The purpose of this utility model is achieved through the following technical solutions:
A kind of efficient integrated inductor, including
Two E shaped iron cores, the E shaped iron cores include the wound portion of cubic and are prolonged respectively by wound portion upper and lower ends The upper extension and lower extension stretched;
Two coiling groups, a coiling group are wound in the wound portion of an E shaped iron core, and coiling group is equipped with input terminal and output End;
Magnetic shielding cover, the E shaped iron cores are set in magnetic shielding cover, the upper extension of E shaped iron cores and the upper end of magnetic shielding cover Bonding, the lower extension of E shaped iron cores is Nian Jie with the lower end of magnetic shielding cover, the side of the magnetic shielding cover be equipped with the first leading foot with Second leading foot, the input terminals of two coiling groups are electrically connected with the first leading foot, and the output terminals of two coiling groups is with the Two leading foots are electrically connected.
Wherein, the coiling group is wound by enamel covered wire.
Wherein, two coiling groups are opposite in the winding direction of wound portion.
Wherein, the Upper gasket for being used to form air gap is installed between two upper extensions, is installed between two lower extensions It is useful for being formed the lower gasket of air gap.
Wherein, the magnetic shielding cover is rectangular parallelepiped structure, and another side opposite with side where the first leading foot opens up There are several heat emission holes, the spacing of the heat emission hole is 3-6mm, and the aperture of the heat emission hole is 2-4mm.
Wherein, the E shaped iron cores include FERRITE CORE, and the ferrite magnetic wicking surface is equipped with epoxy successively from the inside to the outside Resin insulating barrier, teflon insulation layer, boron nitride modified acroleic acid heat-conducting layer and organosilicon-modified acrylic wearing layer.
Further, the thickness of the epoxy resin insulating layers is 0.4-1.0mm.
Further, the thickness of the teflon insulation layer is 0.6-1.0mm.
Further, the thickness of the boron nitride modified acroleic acid heat-conducting layer is 1.5-1.9mm.
Further, the thickness of the organosilicon-modified acrylic wearing layer is 1.2-1.4mm.
The beneficial effects of the utility model are:Two coiling groups of the utility model are set with parallel way, Ke Yi great The earth reduces the resistance of coiling group, so as to reduce the quantity of heat production of inductor;In addition, the setting of magnetic shielding cover can be to avoid magnetic loss It becomes estranged magnetic disturbance, the direct exposed of iron core can also be avoided, so as to improve the working efficiency of inductor and service life.
Description of the drawings
Fig. 1 is the sectional view of the utility model;
Fig. 2 is the front view of the utility model;
Fig. 3 is the partial enlarged view of E shaped iron cores described in the utility model;
Reference numeral is:1-E shaped iron cores, 11- wound portions, the upper extensions of 12-, 13- lower extensions, 2- coilings group, 21- are defeated Enter under end, 22- output terminals, 3- magnetic shielding covers, the first leading foots of 31-, the second leading foots of 32-, 33- heat emission holes, 4- Upper gaskets, 5- Gasket, 6- FERRITE COREs, 61- epoxy resin insulating layers, 62- teflon insulations layer, 63- boron nitride modified acroleic acids are led Thermosphere, 64- organosilicon-modified acrylic wearing layers.
Specific embodiment
For the ease of the understanding of those skilled in the art, with reference to embodiment and attached drawing 1-3 the utility model is made into The explanation of one step, the content that embodiment refers to not are the restriction to the utility model.
Embodiment 1
As shown in Figs. 1-3, a kind of efficient integrated inductor, including
Two E shaped iron cores 1, the E shaped iron cores 1 include the wound portion 11 of cubic and by 11 upper and lower ends of wound portion The upper extension 12 and lower extension 13 each extended over;
Two coiling groups 2, a coiling group 2 are wound in the wound portion 11 of an E shaped iron core 1, and coiling group 2 is equipped with input terminal 21 and output terminal 22;
Magnetic shielding cover 3, the E shaped iron cores 1 are set in magnetic shielding cover 3, upper extension 12 and the magnetic shielding cover 3 of E shaped iron cores 1 Upper end bonding, the lower extension 13 of E shaped iron cores 1 is Nian Jie with the lower end of magnetic shielding cover 3, and the side of the magnetic shielding cover 3 is equipped with First leading foot 31 and the second leading foot 32, the input terminal 21 of two coiling groups 2 are electrically connected with the first leading foot 31, two The output terminal 22 of coiling group 2 is electrically connected with the second leading foot 32.
Two coiling groups 2 of the utility model are set with parallel way, can greatly reduce the resistance of coiling group 2, from And reduce the quantity of heat production of inductor;In addition, the setting of magnetic shielding cover 3 can also avoid to avoid magnetic loss and magnetic disturbance Iron core it is direct exposed, so as to improve the working efficiency of inductor and service life.
Wherein, the coiling group 2 is wound by enamel covered wire.Enamel covered wire is at low cost, and practicability is high.
Wherein, two coiling groups 2 are opposite in the winding direction of wound portion 11.Winding it is reversed can make two E types on the contrary Iron core 1 forms the magnetic loop of the same direction, magnetic loss can be reduced, so as to reduce quantity of heat production.
Wherein, the Upper gasket 4 for being used to form air gap is installed, between two lower extensions 13 between two upper extensions 12 The lower gasket 5 for being used to form air gap is installed.Upper gasket 4 and lower gasket 5 can make to form air gap, air gap between two E shaped iron cores 1 The relative permeability of magnetic core can be increased, increase energy storage, improve working efficiency.
Wherein, the magnetic shielding cover 3 is rectangular parallelepiped structure, and another side opposite with 31 place side of the first leading foot is opened Equipped with several heat emission holes 33, the spacing between two neighboring heat emission hole 33 is 3-6mm, and the aperture of the heat emission hole 33 is 2-4mm. A certain size heat emission hole 33 is opened up in magnetic shielding cover 3 can make magnetic shielding cover 3 have both heat dissipation and magnetic screen function.
Wherein, the E shaped iron cores 1 include FERRITE CORE 6, and 6 surface of FERRITE CORE is equipped with successively from the inside to the outside Epoxy resin insulating layers 61, teflon insulation layer 62, boron nitride modified acroleic acid heat-conducting layer 63 and organic-silicon-modified propylene Sour wearing layer 64.
Further, the thickness of the epoxy resin insulating layers 61 is 0.4-1.0mm.
Further, the thickness of the teflon insulation layer 62 is 0.6-1.0mm.Epoxy resin insulating layers 61 and iron The adhesion of ferrite core 6 is strong, 62 good insulating of teflon insulation layer, strong with 61 adhesion of epoxy resin insulating layers, and two Person's cooperation makes insulating layer also have higher insulating properties in the case of compared with low thickness.
Further, the thickness of the boron nitride modified acroleic acid heat-conducting layer 63 is 1.5-1.9mm.Due to FERRITE CORE 6 can generate heat at work, and temperature is very big to electric property and safety effects, therefore boron nitride modified acroleic acid heat-conducting layer 63 has Help distributing for heat, maintain the job stability of high intensity
Further, the thickness of the organosilicon-modified acrylic wearing layer 64 is 1.2-1.4mm.Coiling group 2 and E-type magnetic Friction easily occurs between core so as to damage magnetic core, therefore it is 1.5-1.9mm organosilicon-modified acrylic wearing layers to set thickness 64 help to improve the wearability of E-type magnetic core.
Above-described embodiment is the preferable implementation of the utility model, and in addition to this, the utility model can be with other sides Formula realizes that any obvious replacement is in the protection model of the utility model without departing from the concept of the premise utility Within enclosing.

Claims (10)

1. a kind of efficient integrated inductor, it is characterised in that:Including
Two E shaped iron cores, the wound portion of E shaped iron cores including cubic and each extended over by wound portion upper and lower ends and Into upper extension and lower extension;
Two coiling groups, a coiling group are wound in the wound portion of an E shaped iron core, and coiling group is equipped with input terminal and output terminal;
Magnetic shielding cover, the E shaped iron cores are set in magnetic shielding cover, and the upper extension of E shaped iron cores is Nian Jie with the upper end of magnetic shielding cover, The lower extension of E shaped iron cores is Nian Jie with the lower end of magnetic shielding cover, and the side of the magnetic shielding cover is equipped with the first leading foot and second Leading foot, the input terminal of two coiling groups are electrically connected with the first leading foot, and the output terminal of two coiling groups draws with second Go out foot electric connection.
2. a kind of efficient integrated inductor according to claim 1, it is characterised in that:The coiling group is rolled up by enamel covered wire Around into.
3. a kind of efficient integrated inductor according to claim 1, it is characterised in that:Two coiling group twining in wound portion It is opposite around direction.
4. a kind of efficient integrated inductor according to claim 1, it is characterised in that:It is equipped between two upper extensions The Upper gasket of air gap is used to form, the lower gasket for being used to form air gap is installed between two lower extensions.
5. a kind of efficient integrated inductor according to claim 1, it is characterised in that:The magnetic shielding cover is cuboid knot Structure, another side opposite with side where the first leading foot offer several heat emission holes, and the spacing of the heat emission hole is 3- 6mm, the aperture of the heat emission hole is 2-4mm.
6. a kind of efficient integrated inductor according to claim 1, it is characterised in that:The E shaped iron cores include ferrite Magnetic core, the ferrite magnetic wicking surface are equipped with epoxy resin insulating layers, teflon insulation layer, boron nitride successively from the inside to the outside Modified acroleic acid heat-conducting layer and organosilicon-modified acrylic wearing layer.
7. a kind of efficient integrated inductor according to claim 6, it is characterised in that:The thickness of the epoxy resin insulating layers It spends for 0.4-1.0mm.
8. a kind of efficient integrated inductor according to claim 6, it is characterised in that:The teflon insulation layer Thickness is 0.6-1.0mm.
9. a kind of efficient integrated inductor according to claim 6, it is characterised in that:The boron nitride modified acroleic acid is led The thickness of thermosphere is 1.5-1.9mm.
10. a kind of efficient integrated inductor according to claim 6, it is characterised in that:The organosilicon-modified acrylic The thickness of wearing layer is 1.2-1.4mm.
CN201721429533.7U 2017-10-30 2017-10-30 A kind of efficient integrated inductor Active CN207529748U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721429533.7U CN207529748U (en) 2017-10-30 2017-10-30 A kind of efficient integrated inductor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721429533.7U CN207529748U (en) 2017-10-30 2017-10-30 A kind of efficient integrated inductor

Publications (1)

Publication Number Publication Date
CN207529748U true CN207529748U (en) 2018-06-22

Family

ID=62571666

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721429533.7U Active CN207529748U (en) 2017-10-30 2017-10-30 A kind of efficient integrated inductor

Country Status (1)

Country Link
CN (1) CN207529748U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107768068A (en) * 2017-10-30 2018-03-06 东莞市大忠电子有限公司 A kind of efficient integrated inductor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107768068A (en) * 2017-10-30 2018-03-06 东莞市大忠电子有限公司 A kind of efficient integrated inductor

Similar Documents

Publication Publication Date Title
TWI581279B (en) Composite structure of transformer and secondary circuit thereof
CN104779037B (en) Reactor
KR100686711B1 (en) Surface mount type power inductor
JP6465361B2 (en) Thin and high current composite transformer
TW201511048A (en) Inductance and switch circuit including the inductance
US20140368059A1 (en) Transformer, electronic apparatus, and method for controlling transformer
CN111312500A (en) Inductance coil and electromagnetic device
US20220084743A1 (en) Coupled inductors for low electromagnetic interference
CN207529748U (en) A kind of efficient integrated inductor
CN111261392A (en) Power transformer and method for manufacturing the same
US20200075218A1 (en) Magnetic core, coil component, and electronic component including same
CN206040382U (en) Vertical heavy current rod type inductor
US20150364240A1 (en) Magnetic circuit for carrying at least one coil
US20220108823A1 (en) Inductor
Ouyang et al. Low profile, low cost, new geometry integrated inductors
CN106876083A (en) The evaluation method of inductance element and inductance element
KR101201291B1 (en) Transformer with backward double winding coil transformer for protceting electro-static shield, surge and eletromagnetic noise
CN207097625U (en) A kind of high frequency AH series inductance structures
CN103780216A (en) Whole-plane EMI filter integrated structure composed of round-plane PCB coupling inductors
US8766759B2 (en) Transformer
CN206602015U (en) Combined type iron oxygen magnetic core
CN206921630U (en) Permanent magnet bias inductor
JP2017120809A (en) Surface-mounted inductor
CN205810514U (en) A kind of chip inductor changing power
CN215680348U (en) Space-saving oscillating inductor

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant