CN201402704Y - Inductance device - Google Patents
Inductance device Download PDFInfo
- Publication number
- CN201402704Y CN201402704Y CN200920136263XU CN200920136263U CN201402704Y CN 201402704 Y CN201402704 Y CN 201402704Y CN 200920136263X U CN200920136263X U CN 200920136263XU CN 200920136263 U CN200920136263 U CN 200920136263U CN 201402704 Y CN201402704 Y CN 201402704Y
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- magnetic core
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Abstract
The utility model relates to an inductance device which comprises a closed magnetic circuit magnetic core body in a shape like a Chinese character 'ri' and a framework, wherein the closed magnetic circuit magnetic core body in a shape like a Chinese character 'ri' consists of an I-shaped center pillar magnetic core and two U-shaped side pillar magnetic cores, the framework is provided with a top cover and a bottom cover, and a framework wall is arranged between the top cover and the bottom cover. The inductance device is characterized in that the framework wall is at least provided with two faces, and the closed magnetic circuit magnetic core body is arranged on the framework. The inductance device overcomes the problems that the assemblies of common UUI shape magnetic cores and traditional frameworks are complicated, air gap medium is much and small, and the assembly speed is slow. Through producing the inductance device by adopting the UUI shape magnetic core to match with the special framework and special-shaped air gap medium, the operation is convenient, the production efficiency is improved, the production cost is reduced, and the requirements of industrial production are satisfied.
Description
Technical field
The utility model relates to electric elements, relates in particular to a kind of inductance component, and this inductance component is the power conversion core component of green illumination and various electronic equipment power source part.
Background technology
Fast development along with industry, produce coil main raw material(s)--non-renewable resources such as copper mine are in continuous minimizing, for abundant reasonable use resource, reduce simultaneously product cost greatly, employing UUI type magnetic core replaces traditional EE type magnetic core or EI type magnetic core to place the air air gap at line bag middle part to move to line bag outside tradition and is provided with the many air gaps of magnetic circuit, these magnetic circuit optimized Measures have reduced the influence of dispersing flux to the line bag, reduce near the invalid number of turns of air air gap, thereby reached the purpose of saving copper material.Experimental result shows that every technical indicator of UUI type core inductor part all is better than E type core inductor part, saves copper material more than 10%.
Traditional E type magnetic core air gap is provided with the method for pin in the general employing grinding.And UUI type magnetic core is equipped with the air gap setting of traditional skeleton must fills up system air gap medium on four position, because UUI type magnetic core changes an air gap of traditional E type magnetic core into four air gaps, significantly reduced the degree of depth of each air gap, cause each air gap medium all very little, and adopt the method for manual pad system, cause that assembling is complicated in the actual production, efficient is low, do not reach industrial production requirement.
Summary of the invention
The purpose of this utility model is: a kind of inductance component that the air gap medium that adopts UUI type magnetic core to be equipped with special skeleton and special shape is made, this method can overcome novel UUI type magnetic core and traditional skeleton assembling challenge, enhance productivity, reach industrial production requirement.
The technical solution of the utility model is achieved in that
A kind of inductance component comprises day a font closed magnetic loop magnetic core array and a skeleton, and font closed magnetic loop magnetic core array was made up of an I font center pillar magnetic core and two U font side column magnetic cores in described day; Described skeleton is provided with top cover and bottom, is provided with the skeleton wall between described top cover and bottom; It is characterized in that described skeleton wall has the two sides at least, described closed magnetic loop magnetic core array is located on the skeleton.
Described skeleton is provided with two sides skeleton wall, relative I font center pillar magnetic core and U font side column magnetic core docking location face be provided with groove on the skeleton of corresponding two sides, this groove shape is identical, is through to the top cover and the bottom of skeleton; Described skeleton top cover and the corresponding end face of groove are provided with side column magnetic core insertion groove, and two edges of this side column magnetic core insertion groove and the corresponding skeleton top cover of groove interconnect; Described skeleton bottom and the corresponding end face of groove also are provided with side column magnetic core insertion groove, and two edges of this side column magnetic core insertion groove and the corresponding skeleton bottom of groove interconnect.
Described skeleton is provided with three facial bone frame walls, relative I font center pillar magnetic core and U font side column magnetic core docking location face be provided with groove on any one side of corresponding two sides skeleton wall, this groove is through to the top cover and the bottom of skeleton; Be provided with side column magnetic core insertion groove at described skeleton top cover and the corresponding end face of groove, two edges of this side column magnetic core insertion groove and the corresponding skeleton top cover of groove interconnect; Described skeleton bottom and the corresponding end face of groove also are provided with side column magnetic core insertion groove, and two edges of this side column magnetic core insertion groove and the corresponding skeleton bottom of groove interconnect.
Described skeleton is the four sides skeleton of center pillar magnetic core location, two inner surface middle parts that on inboard wall of skeleton, connect with magnetic core center pillar width position, the blend stop that changes from small to big from top to bottom is set respectively, form two keys, on two sides of the magnetic core center pillar that connects with blend stop, the keyways that two and key shape connect are set respectively.
Described skeleton is the four sides skeleton of top cover and bottom fluting, and the end face of described skeleton top cover is provided with side column magnetic core insertion groove; Two edges of this side column magnetic core insertion groove and the corresponding skeleton top cover of groove interconnect; Be provided with two grooves of symmetry at the two medial surfaces middle part of described side column magnetic core insertion groove; Described skeleton bottom and the corresponding end face of groove also are provided with side column magnetic core insertion groove; Two edges of this side column magnetic core insertion groove and the corresponding skeleton bottom of groove interconnect, and also are provided with two grooves of symmetry at the two medial surfaces middle part of described side column magnetic core insertion groove.
In the skeleton wall groove of described two sides skeleton, be provided with U-shaped air gap medium, two folding arms of described U-shaped air gap medium wrap two faces that I font center pillar magnetic core engages with U font side column magnetic core, form four air gaps between U font side column magnetic core and I font center pillar magnetic core.
In the skeleton wall groove of described three facial bone framves, be provided with the air gap medium, the width of air gap medium slightly is narrower than the width of skeleton groove, upper end and lower end in the I font center pillar magnetic core side relative with the skeleton wall that is provided with groove respectively are provided with a groove, this air gap medium is wrapped up in three bread of magnetic core center pillar along the groove of magnetic core center pillar, air gap medium two ends are just imbedded in the groove of magnetic core center pillar upper and lower, form four air gaps between U font side column magnetic core and I font center pillar magnetic core.
The four sides skeleton of described center pillar magnetic core location, wherein the upper surface of the inner fovea part of two U font side column magnetic cores is stuck on the edge of the top cover of skeleton and bottom fixing, described I font center pillar magnetic core is located at the skeleton middle part, forms four air air gaps between U font side column magnetic core and I font center pillar magnetic core.
On the top cover of described four sides skeleton and bottom, be provided with two U font air gap media in the groove of symmetry, two U font air gap media wrap each three side of the end of two up and down of I font center pillar magnetic core respectively, form four air gaps between U font side column magnetic core and I font center pillar magnetic core.
On the top cover of described four sides skeleton and bottom, be provided with two square shape air gap media in the groove of symmetry, this square shape air gap medium wraps I font center pillar magnetic core each four side of two end up and down respectively, forms four air gaps between U font side column magnet and I font center pillar magnetic core.
The utility model is compared its beneficial effect of prior art, overcome that the assembling of general UUI type magnetic core and traditional skeleton is complicated, the air gap medium is many and problem little, that assembling speed is slow, employing the utility model UUI type magnetic core is equipped with special skeleton and special shape air gap medium is made inductance component, easy and simple to handle, improved production efficiency, reduce production cost, satisfied need of industrial production.
Description of drawings
Fig. 1 is the core structure schematic diagram of the inductance component of employing two sides skeleton;
Fig. 2 is the air gap medium schematic diagram of the inductance component of employing two sides skeleton;
Fig. 3 is the skeleton structure schematic diagram of the inductance component of employing two sides skeleton;
Fig. 4 is the framework local generalized section of the inductance component of employing two sides skeleton;
Fig. 5 is the core structure schematic diagram of the inductance component of employing three facial bone framves;
Fig. 6 is the air gap medium schematic diagram of the inductance component of employing three facial bone framves;
Fig. 7 is the skeleton structure schematic diagram of the inductance component of employing three facial bone framves;
Fig. 8 is the framework local generalized section of the inductance component of employing three facial bone framves;
Fig. 9 locatees the core structure schematic diagram of the inductance component of skeleton for adopting center pillar;
Figure 10 locatees the skeleton structure schematic diagram of the inductance component of skeleton for adopting center pillar;
Figure 11 locatees the framework local generalized section of the inductance component of skeleton for adopting center pillar;
Figure 12 is the core structure schematic diagram of the inductance component of employing two lid fluting skeletons
Figure 13 is the air gap medium schematic diagram of the inductance component of employing two lid fluting skeletons;
Figure 14 is the skeleton structure schematic diagram of the inductance component of employing two lid fluting skeletons;
Figure 15 is the framework local generalized section of the inductance component of employing two lid fluting skeletons.
Embodiment
The inductance component of embodiment 1, two sides skeleton:
With reference to Fig. 1-shown in Figure 4, a kind of inductance component comprises day a font closed magnetic loop magnetic core array and a skeleton, and font closed magnetic loop magnetic core array was made up of an I font center pillar magnetic core 1-1-1 and two U font side column magnetic core 1-1-2 in described day; Described skeleton is provided with top cover 1-3-5 and bottom 1-3-6, is provided with skeleton wall 1-3-7 between described top cover and bottom; It is characterized in that described skeleton wall has the two sides at least, described closed magnetic loop magnetic core array is located on the skeleton.
Described skeleton is provided with two sides skeleton wall, relative I font center pillar magnetic core 1-1-1 and U font side column magnetic core 1-1-2 docking location face be provided with groove 1-3-1 and groove 1-3-2 on the skeleton of corresponding two sides, two groove shapes are identical, are through to the top cover and the bottom of skeleton; Be provided with side column magnetic core insertion groove 1-3-3 on the end face of described skeleton top cover and groove, two edges of this side column magnetic core insertion groove and the corresponding skeleton top cover of groove interconnect; Also be provided with side column magnetic core insertion groove 1-3-4 on the end face of described skeleton bottom and groove, two edges of this side column magnetic core insertion groove and the corresponding skeleton bottom of groove interconnect.
In the skeleton wall groove of described two sides skeleton, be provided with U-shaped air gap medium 1-2, see Fig. 2, two folding arms of described U-shaped air gap medium wrap two faces that I font center pillar magnetic core engages with U font side column magnetic core, form four air gaps between U font side column magnetic core and I font center pillar magnetic core.
According to required line footpath and number of turns winding around on the skeleton of two sides, coil is warded off tin become the line bag.According to the requirement of size of gaps, with the air gap medium pad system air gap of suitable thickness, the folding arm length of air gap medium slightly is shorter than the height of I font center pillar magnetic core, and width slightly is shorter than the width of groove 1-3-1 and 1-3-2.The folding arm and the I font center pillar magnetic core merging pusher of air gap medium are gone into skeleton, the air gap medium is passed along skeleton groove 1-3-1,1-3-2, enter the skeleton other end, at last two U font side column magnetic cores are assembled on the skeleton and dock with I font center pillar magnetic core, rely on the buffer action of air gap medium, between U font side column magnetic core and I font center pillar magnetic core, form four air gaps, again with the insulation gummed paper closely wrapping make between the difformity magnetic core butt joint closely, firm, make inductance component.
The inductance component of embodiment 2, three facial bone framves:
With reference to Fig. 5-shown in Figure 8, traditional frame design is become three facial bone framves, I font center pillar magnetic core relatively and U font side column magnetic core docking location face be provided with groove 2-3-1 on any one side of corresponding two sides skeleton wall, this groove is through to the top cover and the bottom of skeleton; Be provided with side column magnetic core insertion groove 2-3-2 on the end face of described skeleton top cover and groove, two edges of this side column magnetic core insertion groove and the corresponding skeleton top cover of groove interconnect; Be provided with side column magnetic core insertion groove 2-3-3 on the end face of described skeleton bottom and groove, two edges of this side column magnetic core insertion groove and the corresponding skeleton bottom of groove interconnect.
Upper end and lower end in the I font center pillar magnetic core side relative with the skeleton wall that is provided with groove respectively are provided with groove 2-1-2 and groove 2-1-3, in the groove of skeleton, be provided with air gap medium 2-2, see Fig. 6, the width of this air gap medium slightly is narrower than the width of skeleton groove, this air gap medium is wrapped up in three bread of magnetic core center pillar along groove, its two ends are just imbedded in the groove of magnetic core center pillar upper and lower, form four air gaps between U font side column magnetic core and I font center pillar magnetic core.
According to required line footpath and number of turns winding around on three facial bone framves, coil is warded off tin become the line bag.According to the requirement of size of gaps, the air gap medium pad system air gap with suitable thickness becomes the shape shown in Fig. 2-2 with the air gap medium designs, and width slightly is narrower than the width of groove part.
The pad system method of air gap is, choose the surface that I font center pillar magnetic core and skeleton groove connect, in I font center pillar magnetic core another surperficial upper end and the lower end relative a groove 2-1-2 and 2-1-3 are set respectively with this face, wrap I font center pillar magnetic core with air gap medium 2-2, the two ends of air gap medium are just imbedded in the groove of I font center pillar magnetic core upper and lower and are wrapped up I font center pillar magnetic core surface.The magnetic core center pillar is pushed skeleton by the face 2-1-1 that the air gap medium wraps up along skeleton groove 2-3-1, enter the skeleton other end, assembling two U font side column magnetic cores then docks with I font center pillar magnetic core to skeleton, rely on the buffer action of air gap medium, between U font side column magnetic core and I font center pillar magnetic core, form four air gaps, again with the insulation gummed paper closely wrapping make between the difformity magnetic core butt joint closely, firmly make inductance component.Embodiment 3, the four sides skeleton that adopts the center pillar magnetic core to locate are made inductance component:
With reference to Fig. 9-shown in Figure 11, traditional frame design is become the four sides skeleton of center pillar magnetic core location, on inboard wall of skeleton, choose two inner surfaces that connect with magnetic core center pillar width position, two the blend stop 3-2-1 that change from small to big from top to bottom, blend stop 3-2-2 are set, thereby form two keys, keyway 3-1-1, keyway 3-1-2 that two and key shape connect are set respectively on two surfaces of the magnetic core center pillar that connects with blend stop.The magnetic core center pillar combines closely with skeleton after again the magnetic core center pillar being inserted skeleton, reaches the effect of fixed magnetic core center pillar.
According to required line footpath and number of turns winding around on skeleton, coil is warded off tin become the line bag.Requirement according to size of gaps, grind height on two U font side column magnetic core folding arm end surfaces, the upper surface of the inner fovea part of two U font side column magnetic cores is stuck on the limit of the top cover of skeleton and bottom and fixes, I font center pillar magnetic core keyway 3-1-1, keyway 3-1-2 is pasting skeleton blend stop key 3-2-1 from top to bottom, blend stop key 3-2-2 pushes skeleton, because the effect of skeleton blend stop key, I font core center line is fixed on the skeleton, thereby between U font side column magnetic core and I font center pillar magnetic core, form four air gaps, closely wrap up to make with the insulation gummed paper again and dock between the difformity magnetic core closely, firmly, make inductance component.
The four sides skeleton inductance component of embodiment 4, two lid flutings:
With reference to Figure 12-shown in Figure 15, traditional frame design is become the four sides skeleton of top cover and bottom fluting, the end face of described skeleton top cover is provided with side column magnetic core insertion groove 4-3-3, and two opposed edges of this side column magnetic core insertion groove 4-3-3 and skeleton top cover interconnect; Be provided with the groove 4-3-1 and the groove 4-3-2 of symmetry at the two medial surfaces middle part of side column magnetic core insertion groove 4-3-3; Also be provided with side column magnetic core insertion groove 4-3-4 on the end face of described skeleton bottom, two opposed edges of this side column magnetic core insertion groove 4-3-4 and skeleton bottom interconnect; Be provided with groove 4-3-5, the 4-3-6 of symmetry at the two medial surfaces middle part of side column magnetic core insertion groove 4-3-4.
On the top cover of described four sides skeleton and bottom, be provided with two U font air gap medium 4-2-1 and 4-2-2 in the groove of symmetry, see Figure 13, this U font air gap medium wraps each three face of the end of two up and down of I font center pillar magnetic core respectively, forms four air gaps between U font side column magnetic core and I font center pillar magnetic core.
According to required line footpath and number of turns winding around on the skeleton of four sides, coil is warded off tin become the line bag.According to the requirement of size of gaps, with the air gap medium pad system air gap of suitable thickness, the length of air gap medium slightly is shorter than I font center pillar magnetic core cross section three length of side 4-1-1,4-1-2,4-1-6 sum, and width slightly is narrower than the thickness of U font side column magnetic core end face 4-1-5.The pad system method of air gap is, wrap two of I font center pillar magnetic core respectively with two U font air gap medium 4-2-1,4-2-2, two face 4-1-1,4-1-2 of the I font center pillar magnetic core upper end that two folding arms of two U font air gap media is stuck in connect with the side column magnetic core and two face 4-1-3,4-1-4 of lower end, the straight-arm of two air gap media is stuck in groove 4-3-1,4-3-2 or 4-3-5, the 4-3-6.
The form of the another kind of air gap medium of present embodiment is, be provided with two square shape air gap medium 4-2-3 and 4-2-4, see Figure 13, this square shape air gap medium wraps I font center pillar magnetic core two end up and down respectively, heating makes heat-shrink tube parcel I font center pillar magnetic core then, and the both sides of two square shape air gaps are stuck in groove 4-3-1,4-3-2 and 4-3-5, the 4-3-6.
Earlier with an air gap dielectric pad in I font center pillar magnetic core upper end, I font center pillar magnetic core is pushed skeleton, again with another air gap dielectric pad in I font center pillar magnetic core lower end.Then assembling two U font side column magnetic cores docks with I font center pillar magnetic core, rely on the buffer action of air gap medium, between U font side column magnetic core and I font center pillar magnetic core, form four air gaps, again with the insulation gummed paper closely wrapping make between the difformity magnetic core butt joint closely, firmly make inductance component.
Claims (10)
1. an inductance component comprises day a font closed magnetic loop magnetic core array and a skeleton, and font closed magnetic loop magnetic core array was made up of an I font center pillar magnetic core and two U font side column magnetic cores in described day; Described skeleton is provided with top cover and bottom, is provided with the skeleton wall between described top cover and bottom; It is characterized in that described skeleton wall has the two sides at least, described closed magnetic loop magnetic core array is located on the skeleton.
2, a kind of inductance component according to claim 1, it is characterized in that described skeleton is provided with two sides skeleton wall, relative I font center pillar magnetic core and U font side column magnetic core docking location face be provided with groove on the skeleton of corresponding two sides, this groove shape is identical, is through to the top cover and the bottom of skeleton; Described skeleton top cover and the corresponding end face of groove are provided with side column magnetic core insertion groove, and two edges of this side column magnetic core insertion groove and the corresponding skeleton top cover of groove interconnect; Described skeleton bottom and the corresponding end face of groove also are provided with side column magnetic core insertion groove, and two edges of this side column magnetic core insertion groove and the corresponding skeleton bottom of groove interconnect.
3. a kind of inductance component according to claim 1, it is characterized in that, described skeleton is provided with three facial bone frame walls, relative I font center pillar magnetic core and U font side column magnetic core docking location face be provided with groove on any one side of corresponding two sides skeleton wall, this groove is through to the top cover and the bottom of skeleton; Be provided with side column magnetic core insertion groove at described skeleton top cover and the corresponding end face of groove, two edges of this side column magnetic core insertion groove and the corresponding skeleton top cover of groove interconnect; Described skeleton bottom and the corresponding end face of groove also are provided with side column magnetic core insertion groove, and two edges of this side column magnetic core insertion groove and the corresponding skeleton bottom of groove interconnect.
4, a kind of inductance component according to claim 1, it is characterized in that, described skeleton is the four sides skeleton of center pillar magnetic core location, two inner surface middle parts that on inboard wall of skeleton, connect with magnetic core center pillar width position, two blend stops that change from small to big from top to bottom are set respectively, form two keys, on two sides of the magnetic core center pillar that connects with blend stop, the keyways that two and key shape connect are set respectively.
5, a kind of inductance component according to claim 1 is characterized in that, described skeleton is the four sides skeleton of top cover and bottom fluting, and the end face of described skeleton top cover is provided with side column magnetic core insertion groove; Two edges of this side column magnetic core insertion groove and the corresponding skeleton top cover of groove interconnect; Be provided with two grooves of symmetry at the two medial surfaces middle part of described side column magnetic core insertion groove; Described skeleton bottom and the corresponding end face of groove also are provided with side column magnetic core insertion groove; Two edges of this side column magnetic core insertion groove and the corresponding skeleton bottom of groove interconnect, and also are provided with two grooves of symmetry at the two medial surfaces middle part of described side column magnetic core insertion groove.
6, a kind of inductance component according to claim 2, it is characterized in that, in the skeleton wall groove of described two sides skeleton, be provided with U-shaped air gap medium, two folding arms of described U-shaped air gap medium wrap two faces that I font center pillar magnetic core engages with U font side column magnetic core, form four air gaps between U font side column magnetic core and I font center pillar magnetic core.
7, a kind of inductance component according to claim 3, it is characterized in that, in the skeleton wall groove of described three facial bone framves, be provided with the air gap medium, the width of air gap medium slightly is narrower than the width of skeleton groove, upper end and lower end in the I font center pillar magnetic core side relative with the skeleton wall that is provided with groove respectively are provided with a groove, this air gap medium is wrapped up in three bread of magnetic core center pillar along the groove of magnetic core center pillar, air gap medium two ends are just imbedded in the groove of magnetic core center pillar upper and lower, form four air gaps between U font side column magnetic core and I font center pillar magnetic core.
8, a kind of inductance component according to claim 4, it is characterized in that, the four sides skeleton of described center pillar magnetic core location, wherein the upper surface of the inner fovea part of two U font side column magnetic cores is stuck on the edge of the top cover of skeleton and bottom fixing, described I font center pillar magnetic core is located at the skeleton middle part, forms four air air gaps between U font side column magnetic core and I font center pillar magnetic core.
9, a kind of inductance component according to claim 5, it is characterized in that, on the top cover of described four sides skeleton and bottom, be provided with two U font air gap media in the groove of symmetry, two U font air gap media wrap each three side of the end of two up and down of I font center pillar magnetic core respectively, form four air gaps between U font side column magnetic core and I font center pillar magnetic core.
10, a kind of inductance component according to claim 5, it is characterized in that, on the top cover of described four sides skeleton and bottom, be provided with two square shape air gap media in the groove of symmetry, this square shape air gap medium wraps I font center pillar magnetic core each four side of two end up and down respectively, forms four air gaps between U font side column magnetic core and I font center pillar magnetic core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920136263XU CN201402704Y (en) | 2009-01-08 | 2009-01-08 | Inductance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920136263XU CN201402704Y (en) | 2009-01-08 | 2009-01-08 | Inductance device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201402704Y true CN201402704Y (en) | 2010-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200920136263XU Expired - Fee Related CN201402704Y (en) | 2009-01-08 | 2009-01-08 | Inductance device |
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| CN (1) | CN201402704Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102543377A (en) * | 2012-02-22 | 2012-07-04 | 临沂中瑞电子有限公司 | High-frequency choking coil magnetic core for LEDs |
-
2009
- 2009-01-08 CN CN200920136263XU patent/CN201402704Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102543377A (en) * | 2012-02-22 | 2012-07-04 | 临沂中瑞电子有限公司 | High-frequency choking coil magnetic core for LEDs |
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Granted publication date: 20100210 Termination date: 20170108 |
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| CF01 | Termination of patent right due to non-payment of annual fee |