CN202189640U - Integrated inductor - Google Patents

Integrated inductor Download PDF

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Publication number
CN202189640U
CN202189640U CN2011202544647U CN201120254464U CN202189640U CN 202189640 U CN202189640 U CN 202189640U CN 2011202544647 U CN2011202544647 U CN 2011202544647U CN 201120254464 U CN201120254464 U CN 201120254464U CN 202189640 U CN202189640 U CN 202189640U
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CN
China
Prior art keywords
magnetic core
coil
worker
magnetic
input
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.)
Expired - Fee Related
Application number
CN2011202544647U
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Chinese (zh)
Inventor
马红中
李华土
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 Pulse Electronics Co Ltd
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Dongguan Pulse 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.)
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Priority to CN2011202544647U priority Critical patent/CN202189640U/en
Application granted granted Critical
Publication of CN202189640U publication Critical patent/CN202189640U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an integrated inductor which comprises a magnetic core group. The magnetic core group consists of at least two H-shaped magnetic cores which are spliced side by side, wherein a coil is wound on each H-shaped magnetic core; plate-like magnetic cores are respectively spliced on two opposite outer side surfaces of the magnetic core group; and magnetic circuits are respectively formed between the plate-like magnetic cores and the adjacent coil and between two adjacent coils. Therefore, the magnetic core group is spliced by at least two H-shaped magnetic cores, the coil is wound on each H-shaped magnetic core, and two plate-like magnetic cores are spliced with two opposite outer side surfaces of the magnetic core group to form the magnetic circuits between the plate-like magnetic cores and the adjacent coil and between the two adjacent coils, so that inductance value of the inductor is effectively improved, the saturation current value is greatly improved, the requirement of electrical equipment is met, convenience is brought for the user, and the application range is wider.

Description

Integration type inductance
Technical field
The utility model relates to the inductance art, refers in particular to the integration type inductance that a kind of inductance value is high, the saturation current value is effectively promoted.
Background technology
Inductor of the prior art adopts EI, EE, EP, the isostructural magnetic core of PQ mostly, and these magnetic cores have a newel, constitutes inductor thereby coil is set on this newel.When having electric current to pass through in the coil, will produce magnetic field around the coil.When electric current changed in the coil, the magnetic field around it also produced corresponding variation, and the magnetic field of this variation can make coil self produce induced electromotive force (electromotive force is in order to the terminal voltage of expression active element ideal source), self-induction that Here it is.Yet in the existing electric equipment; Using more is mutual inductance; Mutual inductance be meant two inductance coils each other near the time; The changes of magnetic field of an inductance coil will influence another inductance coil, and the size of mutual inductance depends on the self-induction of inductance coil and the degree of two inductance coil couplings, and the element that utilizes this principle to process is called instrument transformer.
Yet inductor of the prior art realizes that the structure of self-induction and mutual inductance is comparatively complicated, and can not effectively improve inductance value, and the saturation current value can not effectively be promoted, and can not satisfy the demand of electric equipment, uses to the user and brings inconvenience.
The utility model content
In view of this, the utility model is to the disappearance of prior art existence, and its main purpose provides a kind of integration type inductance, and its inductance value that can effectively solve existing inductor is low, saturation current is worth the problem less than effective lifting.
For realizing above-mentioned purpose, the utility model adopts following technical scheme:
A kind of integration type inductance; Include magnetic core set; This magnetic core set by at least two side by side together " worker " font magnetic core of splicing form; All be wound with coil on each I shape magnetic core, two relative lateral surfaces of this magnetic core set all splice has tabular magnetic core, all is formed with magnetic circuit between this tabular magnetic core and the adjacent windings and between adjacent two coils.
As a kind of preferred version; Said " worker " word magnetic core includes top board, base plate and plug, and this top board and base plate all are square, this plug cylinder that is square; Plug is connected in and forms " worker " font structure between top board and the base plate, and aforementioned coil is wound on the outer surface of this plug.
As a kind of preferred version; Further include holder; This holder is provided with a cavity, and this tabular magnetic core all is embedded in this cavity with " worker " font magnetic core, and aforementioned coil all has input and output; On the lateral margin of this holder to should input and output be provided with a plurality of grooves; These a plurality of grooves all are communicated with cavity, and other the extending downwards of side that is positioned at groove in the bottom of holder have haptic element, the input of this coil and output along corresponding groove extend and with corresponding haptic element electrical connection.
As a kind of preferred version, be provided with connecting hole on the output of said coil and the input, this haptic element is cylinder, and this haptic element passes corresponding connecting hole and is electrically connected.
As a kind of preferred version, the output of said each coil and input all stretch out the leading flank of magnetic core set.
The utility model compared with prior art has tangible advantage and beneficial effect, particularly, can be known by technique scheme:
One, through utilizing at least two " worker " font magnetic cores to be spliced to form magnetic core set; Be matched with on each " worker " font magnetic core and be wound with coil; And utilize two tabular magnetic cores respectively with the two relative lateral surfaces splicing of magnetic core set, make all to be formed with magnetic circuit between tabular magnetic core and the adjacent windings and between adjacent two coils, thereby make the inductance value of inductor effectively improve; Simultaneously can promote the saturation current value greatly; Satisfy the demand of various electric equipments, use facilitating property, have wide range of applications to the user.
Two, through further being provided with holder, utilize this magnetic core set and the equal setting-in of tabular magnetic core to be fixed in the cavity of this holder, simple in structure, production of products and easy to assembly helps improving the production packaging efficiency, promotes the market competitiveness.
Be architectural feature and the effect of more clearly setting forth the utility model, come the utility model is elaborated below in conjunction with accompanying drawing and specific embodiment.
Description of drawings
Fig. 1 is the assembling schematic perspective view of first preferred embodiment of the utility model;
Fig. 2 is the exploded view of first preferred embodiment of the utility model;
Fig. 3 is the exploded view of second preferred embodiment of the utility model.
The accompanying drawing identifier declaration:
10, holder 11, cavity
12, groove 13, haptic element
101, magnetic circuit 20, magnetic core set
21, " worker " font magnetic core 211, top board
212, base plate 30, tabular magnetic core
40, coil 41, input
42, output.
Embodiment
Shown in please seeing figures.1.and.2, the concrete structure that it has demonstrated first preferred embodiment of the utility model includes a holder 10, a magnetic core set 20 and two tabular magnetic cores 30.
Wherein, This holder 10 is provided with a cavity 11; The cephalolateral margin of this holder 10 is provided with a plurality of grooves 12, and these a plurality of grooves 12 are arranged at interval side by side, and a plurality of grooves 12 all are communicated with this cavity 11; And other all the extending downwards of side that is positioned at each groove 12 with the bottom of holder 10 has haptic element 13, and this haptic element 13 is cylinder.
These magnetic core set 20 setting-ins are fixed in the cavity 11 of aforementioned fixation seat 10; Magnetic core set 20 by at least two side by side together " worker " font magnetic core 21 of splicing form; In the present embodiment; This magnetic core set 20 is made up of two " worker " font 21, and each " worker " font magnetic core 21 includes top board 211, base plate 212 and plug (not shown); This top board 211 all is square with base plate 212; Top board 211 and base plate parallel interval setting about in the of 212; The opposite flank of the top board 211 of this two " worker " font magnetic core 21 is docked amalgamation each other, and the opposite flank of the base plate 212 of two " worker " font magnetic core 21 is docked amalgamation each other; This plug cylinder that is square, plug are connected in and form " worker " font structure between top board 211 and the base plate 212.And; On each " worker " font magnetic core 21, all be wound with coil 40, this coil 40 is wound in the outer surface of aforementioned plug, and each coil 40 all has an input 41 and an output 42; The input 41 of each coil 40 extends outside the holder 10 along aforementioned corresponding groove 12 with output 42; And the input 41 of each coil 40 is electrically connected with aforementioned corresponding haptic element 13 with output 42, and the input 41 and the output 42 of this coil 40 are provided with connecting hole, and aforementioned haptic element 13 passes corresponding connecting hole and realizes being electrically connected; The input 41 of coil 40 all stretches out the leading flank of magnetic core set 20 with output 42 in the present embodiment; Certainly, they also can stretch out other sides of magnetic core set 20, not to exceed.
This two tabular magnetic core 30 also setting-in is fixed in the cavity 11 of aforementioned fixation seat 10; This two tabular magnetic core 30 correspondence respectively is connected with two relative lateral surface amalgamations of aforementioned magnetic core set 20; And in all being formed with magnetic circuit 101 between tabular magnetic core 30 and the adjacent windings 40 and between adjacent two coils 40; As shown in Figure 1, formed three magnetic circuits 101.
The assembling process that present embodiment is detailed is following:
As shown in Figure 2, at first, go up coil 40, and the input 41 of coil 40 is all extended to the leading flank of " worker " font magnetic core 21 with output 42 in the mandrel outer winding of each " worker " font magnetic core 21; Then; Two " worker " font magnetic core 21 is embedded in the cavity 11 of holder 10 side by side; The opposite flank amalgamation of the top board 211 of two " worker " font magnetic core 21 is connected, and the opposite flank amalgamation of the base plate 212 of two " worker " font magnetic core 21 connects, and makes two " worker " font magnetic core 21 be spliced to form magnetic core set 20; Simultaneously, the input 41 of this coil 40 and output 42 are stretched out and corresponding haptic element 13 fixing electrical connections along corresponding groove 12 on the holder 10; Then, two tabular magnetic cores 30 are embedded in the cavity 11 of holder 10, and make two tabular magnetic cores 30 be connected assembled (as shown in Figure 1) with two relative lateral surface amalgamations of this magnetic core set 20 respectively.
Please with reference to shown in Figure 3, it has demonstrated the concrete structure of second preferred embodiment of the utility model, and the concrete structure of the concrete structure of present embodiment and aforementioned first preferred embodiment is basic identical, and different is:
In the present embodiment; This magnetic core set 20 is made up of 21 splicings of three " worker " font magnetic cores; Their connecting method is identical with the connecting method of aforementioned first preferred embodiment; Be not described in detail at this concrete structure, also be wound with aforementioned coil 40 on this each " worker " font magnetic core 21, also be not described in detail at the concrete structure of this coil 40 to magnetic core set 20.
The assembling process of present embodiment is identical with the assembling process of aforementioned first preferred embodiment, is not described in detail at this assembling process to present embodiment, can form more a plurality of magnetic circuits after the present embodiment assembling.Certainly, this magnetic core set 20 also can be spliced to form by more a plurality of " worker " font magnetic core 21, can be formed with more a plurality of magnetic circuits with this.
The design focal point of the utility model is: at first; Through utilizing at least two " worker " font magnetic cores to be spliced to form magnetic core set, be matched with on each " worker " font magnetic core and be wound with coil, and utilize two tabular magnetic cores to splice with two relative lateral surfaces of magnetic core set respectively; Make and all be formed with magnetic circuit between tabular magnetic core and the adjacent windings and between adjacent two coils; Thereby make the inductance value of inductor effectively improve, can promote the saturation current value greatly simultaneously, satisfy the demand of various electric equipments; Use facilitating property to the user, have wide range of applications.Secondly, through further being provided with holder, utilize this magnetic core set and the equal setting-in of tabular magnetic core to be fixed in the cavity of this holder, simple in structure, production of products and easy to assembly helps improving the production packaging efficiency, promotes the market competitiveness.
The above; It only is the preferred embodiment of the utility model; Be not that the technical scope of the utility model is done any restriction; So every technical spirit according to the utility model all still belongs in the scope of the utility model technical scheme any trickle modification, equivalent variations and modification that above embodiment did.

Claims (5)

1. integration type inductance; It is characterized in that: include magnetic core set; This magnetic core set by at least two side by side together " worker " font magnetic core of splicing form; All be wound with coil on each I shape magnetic core, two relative lateral surfaces of this magnetic core set all splice has tabular magnetic core, all is formed with magnetic circuit between this tabular magnetic core and the adjacent windings and between adjacent two coils.
2. integration type inductance according to claim 1; It is characterized in that: said " worker " word magnetic core includes top board, base plate and plug; This top board and base plate all are square; This plug cylinder that is square, plug are connected in and form " worker " font structure between top board and the base plate, and aforementioned coil is wound on the outer surface of this plug.
3. integration type inductance according to claim 1; It is characterized in that: further include holder; This holder is provided with a cavity, and this tabular magnetic core all is embedded in this cavity with " worker " font magnetic core, and aforementioned coil all has input and output; On the lateral margin of this holder to should input and output be provided with a plurality of grooves; These a plurality of grooves all are communicated with cavity, and other the extending downwards of side that is positioned at groove in the bottom of holder have haptic element, the input of this coil and output along corresponding groove extend and with corresponding haptic element electrical connection.
4. integration type inductance according to claim 3 is characterized in that: be provided with connecting hole on the output of said coil and the input, this haptic element is cylinder, and this haptic element passes corresponding connecting hole and is electrically connected.
5. integration type inductance according to claim 3 is characterized in that: the output of said each coil and input all stretch out the leading flank of magnetic core set.
CN2011202544647U 2011-07-19 2011-07-19 Integrated inductor Expired - Fee Related CN202189640U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011202544647U CN202189640U (en) 2011-07-19 2011-07-19 Integrated inductor

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Application Number Priority Date Filing Date Title
CN2011202544647U CN202189640U (en) 2011-07-19 2011-07-19 Integrated inductor

Publications (1)

Publication Number Publication Date
CN202189640U true CN202189640U (en) 2012-04-11

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Country Status (1)

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CN (1) CN202189640U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104425122A (en) * 2013-09-06 2015-03-18 昆山玛冀电子有限公司 Manufacturing method and structure of inductor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104425122A (en) * 2013-09-06 2015-03-18 昆山玛冀电子有限公司 Manufacturing method and structure of inductor

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120411

Termination date: 20190719