CN106449046A - Magnetic element - Google Patents
Magnetic element Download PDFInfo
- Publication number
- CN106449046A CN106449046A CN201610833983.6A CN201610833983A CN106449046A CN 106449046 A CN106449046 A CN 106449046A CN 201610833983 A CN201610833983 A CN 201610833983A CN 106449046 A CN106449046 A CN 106449046A
- Authority
- CN
- China
- Prior art keywords
- bobbin
- winding
- magnetic element
- magnetic core
- conductive winding
- 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.)
- Granted
Links
- 238000004804 winding Methods 0.000 claims abstract description 59
- 238000005452 bending Methods 0.000 claims abstract description 12
- 230000000994 depressogenic effect Effects 0.000 claims abstract description 10
- 238000003475 lamination Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 9
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 235000019994 cava Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 206010054949 Metaplasia Diseases 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000015689 metaplastic ossification Effects 0.000 description 1
- 238000001149 thermolysis Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2847—Sheets; Strips
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2876—Cooling
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulating Of Coils (AREA)
Abstract
The invention discloses a magnetic element. The magnetic element comprises a winding skeleton, a magnetic core group and a conducting winding, wherein a mounting channel passing through two ends of the winding skeleton is arranged at the center of the winding skeleton, the side face of the winding skeleton is depressed inwards to form a wire slot encircling the outer ring of the mounting channel, and locating rings protruding outwards are arranged at the centers of two end faces of the winding skeleton respectively; the magnetic core group is composed of two magnetic cores sleeved at two ends of the winding skeleton; the conducting winding is arranged on at least one end face of the winding skeleton, locating holes capable of being sleeved on the locating rings are formed in the conducting winding, a bending part is further arranged on one side edge of the conducting winding, and the bending part stretches out of the magnetic core group. The magnetic element is provided with an effective heat dissipation structure, and a primary winding and a secondary winding can be accurately positioned, so that the magnetic element is convenient for volume automatic production.
Description
Technical field
The present invention relates to magnetic element technical field, more particularly, to a kind of magnetic element with radiating and location structure.
Background technology
How the magnetic element design of existing Switching Power Supply, such as transformer etc., in order to reduce device size, tie using shown in Fig. 1
Structure, by way of primary coiling 500 and secondary copper sheet 600 winding combine, then coordinates magnetic core 400a and 400b to constitute one
Transformer.The primary side of transformer is usually high voltage-small current, needs umber of turn more, and the primary side of transformer is that low pressure is big
Electric current, needs umber of turn few, typically adopts copper sheet winding.
There is following defect in this scheme：
1st, primary coiling needs manual winding, when the number of turn is more it is impossible to ensure winding dimensional uniformity；
2nd, the relative position of secondary copper sheet winding and primary coiling cannot be accurately positioned, particularly multiple primary and secondary winding folders
Around rear, batch uniformity it is difficult to ensure that；
The 3rd, effective radiator structure is not provided with magnetic element, heat when magnetic element uses cannot quickly disperse, and impact makes
With performance and life-span.
Content of the invention
For solving above-mentioned technical problem, the present invention proposes a kind of magnetic element, and this magnetic element has effective radiating knot
Structure, heat when magnetic element uses can quickly disperse, and armature winding and secondary windings can be accurately positioned simultaneously, can in batches certainly
Dynamic metaplasia is produced.
The technical solution used in the present invention is to design a kind of magnetic element, including：
Bobbin, the center of bobbin is provided with the installation passage running through its two ends, and the side of bobbin caves inward shape
Become to be looped around the wire casing of installation passage outer ring, the both ends of the surface center of bobbin is equipped with outwardly locating ring；
Magnetic core group, magnetic core group is made up of two magnetic cores being enclosed within bobbin two ends, and at least one magnetic core is provided with pluggable peace
Mounting post in dress passage；
Conductive winding, at least end face of bobbin is provided with conductive winding, and conductive winding is provided with and can be enclosed within locating ring
On location hole, lateral edges of conductive winding are additionally provided with bending part, and bending part stretches out magnetic core group.
Preferably, the cell wall of wire casing both sides is interval with thermovent.
Preferably, the end face of bobbin is provided with least one outwardly connecting portion, bobbin another
End face is provided with the depressed part with connecting portion aligned in position.When being provided with the bobbin that at least two laminations connect in magnetic core group,
Adjacent two bobbins complete lamination by connecting portion with the grafting of depressed part and are connected.
In the first embodiment, the end face of bobbin is provided with least one protuberance, the other end of bobbin
Face is not provided with protuberance, and conductive winding is provided with the breach with lobe shape cooperation.
In a second embodiment, the both ends of the surface of bobbin are equipped with least one protuberance, conductive winding is provided with
Breach with lobe shape cooperation.
In the third embodiment, the end face of bobbin is provided with least one protuberance, conductive winding be provided with convex
Go out the breach of portion's form fit, the other end of bobbin is provided with the vacancy portion alignd with protuberance breach.In magnetic core group
When being provided with the bobbin that at least two laminations connect, when adjacent two bobbin laminations connect, in protuberance insertion vacancy portion.
Compared with prior art, the bobbin of the present invention is provided with wire casing, achievable Automated winding technique, conductive winding
Marginal portion bending process, and stretch out outside magnetic core group, play and strengthen radiating and through-flow effect.Preferably, on bobbin
Protuberance, cooperation in conductive winding is provided with that breach is matched to play position-limiting action, further, the company of being additionally provided with bobbin
Socket part and depressed part, can realize modularization extension by this connecting portion and depressed part combination assembling between multiple bobbins.
Brief description
With reference to embodiment and accompanying drawing, the present invention is described in detail, wherein：
Fig. 1 is that the structure of prior art splits schematic diagram；
Fig. 2 is that the structure of first embodiment of the invention splits schematic diagram；
Fig. 3 is the positive structure schematic of bobbin in first embodiment of the invention；
Fig. 4 is the structure schematic diagram of bobbin in first embodiment of the invention；
Fig. 5 is the structural representation of conductive winding in all embodiments of the invention；、
Fig. 6 is that the structure of second embodiment of the invention splits schematic diagram；
Fig. 7 is the positive structure schematic of bobbin in second embodiment of the invention；
Fig. 8 is the structure schematic diagram of bobbin in second embodiment of the invention；
Fig. 9 is that the structure that in the present invention, multiple bobbin laminations connect splits schematic diagram；
Figure 10 is the positive structure schematic of bobbin in third embodiment of the invention；
Figure 11 is the positive structure schematic of bobbin in third embodiment of the invention.
Specific embodiment
As shown in Fig. 2,6,9, magnetic element proposed by the present invention, including：Bobbin 100, magnetic core group and conductive winding
200.
The main part of bobbin 100 is in flat disk, and the center of disk is provided with the installation passage running through its two ends
100a, the side of bobbin 100 caves inward and forms wire casing 100b, and wire casing 100b is looped around the outer ring of installation passage 100a,
The setting of wire casing 100b can achieve Automated winding technique.Magnetic core group is made up of the magnetic core 300 of two docking in left and right, at least one
Magnetic core 300 is provided with mounting post 300a in pluggable installation passage 100a.Two magnetic cores during practical application, in magnetic core group
300 can be symmetrical set, and two magnetic cores 300 are equipped with mounting post 300a, and bobbin 100 is arranged on two magnetic cores 300
Between, mounting post 300a on this two magnetic cores 300 inserts the two ends of installation passage 100a towards relative direction, certainly, also may be used
To arrange mounting post 300a only on a magnetic core 300, two magnetic cores 300 are in bobbin 100 outside docking.Work as magnetic element
When being inside provided only with single bobbin 100, left and right two magnetic core 300 is enclosed within the two ends of this bobbin 100, when in magnetic element
When arranging the bobbin group being connected and composed by multiple single bobbin 100 laminations, left and right two magnetic core 300 is enclosed within this coiling
The two ends of skeleton group.
As shown in Fig. 3,4,7,8,10,11, two end face centers of bobbin 100 are equipped with outwardly locating ring
100c, at least one end face of bobbin 100 is provided with conductive winding 200, and conductive winding 200 is provided with and can be enclosed within positioning
Location hole 200a on ring 100c, first conductive winding 200 is enclosed within the end face of bobbin 100 during assembling, then installs outside
Magnetic core group.Wherein, as shown in Fig. 2,5,6,9, lateral edges of conductive winding 200 are additionally provided with bending part 200b, bending part
200b stretches out magnetic core group, in order to magnetic element operationally quick heat radiating moreover it is possible to increase by the ability of electric current, bending part
200b may be configured as plane, or arranges jagged radiating groove on bending part 200b, to improve radiating efficiency.Preferably,
Also it is interval with thermovent 100d, this thermovent 100d can facilitate the wire in wire casing 100b to dissipate on the cell wall of wire casing 100b both sides
Heat, improves radiating efficiency further.
In order that the positioning of conductive winding 200 and bobbin 100 is more accurate, conductive winding 200 and bobbin 100 it
Between be provided with position limiting structure, with regard to there being multiple embodiments to illustrate below position limiting structure.
As shown in Fig. 2 is to 5, in the first embodiment, an end face of bobbin 100 is provided with least one protuberance
100e, another end face of bobbin 100 is not provided with protuberance, and conductive winding 200 is provided with and this protuberance 100e shape
Conductive winding 200 is enclosed within this end face that bobbin 100 is provided with protuberance 100e during assembling by the breach 200c of shape cooperation
On, the location hole 200a of conductive winding is enclosed within locating ring 100c, breach 200c is enclosed within protuberance 100e, by protuberance
100e is limiting the circumferentially opposite position of conductive winding 200 and bobbin 100.
As shown in Fig. 6 is to 8, in a second embodiment, two end faces of bobbin 100 are equipped with least one protrusion
Portion 100e, conductive winding 200 is provided with the breach 200c with protuberance 100e form fit, two end faces of bobbin 100
The benefit all arranging protuberance 100e is conductive winding 200 can be coordinated to use in tow sides.Assembling process and the first enforcement
Example is similar, and two end faces respectively conductive winding 200 being enclosed within bobbin 100 get final product naturally it is also possible to select only at one
Conducting wire winding 200 on end face.
Preferably, in the first embodiment and the second embodiment, bobbin 100 is additionally provided with achievable multiple coiling bone
The attachment structure that frame lamination connects, as shown in Fig. 3,4,7,8, all protruding erecting bed in both ends of the surface base of bobbin 100,
The outer ledge of erecting bed is straight, and an erecting bed is provided with least one outwardly connecting portion 100g, another erecting bed
It is provided with the depressed part 100h with connecting portion 100g aligned in position, this depressed part 100h can be pit or through hole.As Fig. 9 institute
Show, when being provided with least two bobbins 100 in magnetic core group, when being provided with bobbin group in magnetic core group, adjacent two coilings
Skeleton 100 passes through the grafting of connecting portion 100g and depressed part 100h, and the lamination completing multiple bobbins 100 connects, and reaches mould
The effect of blockization extension.
As shown in Figure 10,11, in the third embodiment, the end face of bobbin 100 is provided with least one protuberance
100e, conductive winding 200 is provided with the breach 200c with protuberance 100e form fit, on the other end of bobbin 100
It is provided with the vacancy portion 100f aliging with protuberance 100e breach, during assembling, conductive winding 200 is enclosed within bobbin 100 and is provided with
On this end face of protuberance 100e.When being provided with the bobbin 100 that at least two laminations connect in magnetic core group, adjacent two coilings
In skeleton, the protuberance 100e of a bobbin inserts in the vacancy portion 100f of another outside line skeleton.Protuberance 100e and vacancy portion
The lamination that the setting of 100f both with spacing conductive winding 200, can complete multiple bobbins 100 again connects, compact conformation
And it is easy to process.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, bending part 200b, protrusion
The shape of portion 100e and connecting portion 100g is varied, as long as its object is to play between bobbin 100 or bobbin
It is connected with each other position-limiting action between 100 and conductive winding 200, be included within protection scope of the present invention.Likewise, around
Thermovent 100d shape on line skeleton can also be diversified, as long as its object is to play thermolysis, all comprises
Within protection scope of the present invention.
Claims (8)
1. a kind of magnetic element is it is characterised in that include：
Bobbin, the center of described bobbin is provided with the installation passage running through its two ends, the side of described bobbin to
Sunken inside forms and is looped around the wire casing of described installation passage outer ring, and the both ends of the surface center of described bobbin is equipped with outwardly
Locating ring；
Magnetic core group, described magnetic core group is made up of two magnetic cores being enclosed within described bobbin two ends, and at least one magnetic core is provided with
Can be inserted into the mounting post in described installation passage；
Conductive winding, at least end face of described bobbin is provided with described conductive winding, and described conductive winding is provided with
The location hole on described locating ring can be enclosed within, lateral edges of described conductive winding are additionally provided with bending part, and described bending part stretches out
Described magnetic core group.
2. magnetic element as claimed in claim 1 is it is characterised in that be interval with radiating on the cell wall of described wire casing both sides
Mouthful.
3. magnetic element as claimed in claim 1 is it is characterised in that the end face of described bobbin is provided with least one
Protuberance, the other end of described bobbin is not provided with described protuberance, and described conductive winding is provided with and described protuberance
The breach of form fit.
4. magnetic element as claimed in claim 1 is it is characterised in that be equipped with least one in the both ends of the surface of described bobbin
Individual protuberance, described conductive winding is provided with the breach with the cooperation of described lobe shape.
5. magnetic element as claimed in claim 1 it is characterised in that the end face of described bobbin to be provided with least one convex
Go out portion, described conductive winding is provided with the breach with the cooperation of described lobe shape, and the other end of described bobbin sets
There is the vacancy portion alignd with described protuberance breach.
6. magnetic element as claimed in claim 5 is it is characterised in that be provided with what at least two laminations connected in described magnetic core group
Bobbin, when adjacent two bobbin laminations connect, described protuberance inserts in described vacancy portion.
7. the magnetic element as described in any one of claim 1 to 6 is it is characterised in that set on the end face of described bobbin
There is the connecting portion that at least one is outwardly, the other end of described bobbin is provided with and described connecting portion aligned in position
Depressed part.
8. magnetic element as claimed in claim 7 is it is characterised in that be provided with what at least two laminations connected in described magnetic core group
Bobbin, adjacent two bobbins complete lamination by connecting portion with the grafting of depressed part and are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610833983.6A CN106449046B (en) | 2016-09-20 | 2016-09-20 | A kind of magnetic element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610833983.6A CN106449046B (en) | 2016-09-20 | 2016-09-20 | A kind of magnetic element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106449046A true CN106449046A (en) | 2017-02-22 |
| CN106449046B CN106449046B (en) | 2019-01-15 |
Family
ID=58165914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610833983.6A Active CN106449046B (en) | 2016-09-20 | 2016-09-20 | A kind of magnetic element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106449046B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036769A (en) * | 2017-06-08 | 2018-12-18 | 台达电子企业管理（上海）有限公司 | Magnetic element and vehicle power module with it |
| CN109524219A (en) * | 2019-01-10 | 2019-03-26 | 台达电子企业管理（上海）有限公司 | Transformer and power module with it |
| US11581118B2 (en) | 2017-06-08 | 2023-02-14 | Delta Electronics (Shanghai) Co., Ltd. | Transformer and power supply module with high thermal efficiency |
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|---|---|---|---|---|
| US4462016A (en) * | 1982-12-03 | 1984-07-24 | At&T Technologies, Inc. | Inductor coils with mechanically coupleable bobbins |
| CN1059231A (en) * | 1990-03-30 | 1992-03-04 | 多源科技公司 | The small section flat-plate transformer that is used for off-line switching power supply |
| JP2001267153A (en) * | 2000-03-21 | 2001-09-28 | Tdk Corp | Power transformer |
| CN201717111U (en) * | 2010-06-22 | 2011-01-19 | 海韵电子工业股份有限公司 | Transformer structure |
| CN102074337A (en) * | 2009-11-24 | 2011-05-25 | 台达电子工业股份有限公司 | Transformer with modularized wire winding frame components |
| CN201853566U (en) * | 2010-09-21 | 2011-06-01 | 成翔电子(东莞)有限公司 | Secondary side double-ring separate transformer |
| CN102522182A (en) * | 2011-12-23 | 2012-06-27 | 台达电子企业管理（上海）有限公司 | Magnetic element |
| TWI451457B (en) * | 2013-05-03 | 2014-09-01 | Delta Electronics Inc | Primary side module and transformer using the same |
| CN104051144A (en) * | 2013-03-13 | 2014-09-17 | Ls产电株式会社 | Transformer Module For Electric Vehicle |
| CN204088003U (en) * | 2014-08-27 | 2015-01-07 | 江门市尚品科技研发电子有限公司 | The modified node method of a kind of magnetic core and bobbin |
| CN105826056A (en) * | 2015-01-22 | 2016-08-03 | 全汉企业股份有限公司 | Transformer |
| CN205542333U (en) * | 2016-03-16 | 2016-08-31 | 光宝电子(广州)有限公司 | Transformer structure |
-
2016
- 2016-09-20 CN CN201610833983.6A patent/CN106449046B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4462016A (en) * | 1982-12-03 | 1984-07-24 | At&T Technologies, Inc. | Inductor coils with mechanically coupleable bobbins |
| CN1059231A (en) * | 1990-03-30 | 1992-03-04 | 多源科技公司 | The small section flat-plate transformer that is used for off-line switching power supply |
| JP2001267153A (en) * | 2000-03-21 | 2001-09-28 | Tdk Corp | Power transformer |
| CN102074337A (en) * | 2009-11-24 | 2011-05-25 | 台达电子工业股份有限公司 | Transformer with modularized wire winding frame components |
| CN201717111U (en) * | 2010-06-22 | 2011-01-19 | 海韵电子工业股份有限公司 | Transformer structure |
| CN201853566U (en) * | 2010-09-21 | 2011-06-01 | 成翔电子(东莞)有限公司 | Secondary side double-ring separate transformer |
| CN102522182A (en) * | 2011-12-23 | 2012-06-27 | 台达电子企业管理（上海）有限公司 | Magnetic element |
| CN104051144A (en) * | 2013-03-13 | 2014-09-17 | Ls产电株式会社 | Transformer Module For Electric Vehicle |
| TWI451457B (en) * | 2013-05-03 | 2014-09-01 | Delta Electronics Inc | Primary side module and transformer using the same |
| CN204088003U (en) * | 2014-08-27 | 2015-01-07 | 江门市尚品科技研发电子有限公司 | The modified node method of a kind of magnetic core and bobbin |
| CN105826056A (en) * | 2015-01-22 | 2016-08-03 | 全汉企业股份有限公司 | Transformer |
| CN205542333U (en) * | 2016-03-16 | 2016-08-31 | 光宝电子(广州)有限公司 | Transformer structure |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036769A (en) * | 2017-06-08 | 2018-12-18 | 台达电子企业管理（上海）有限公司 | Magnetic element and vehicle power module with it |
| US11581118B2 (en) | 2017-06-08 | 2023-02-14 | Delta Electronics (Shanghai) Co., Ltd. | Transformer and power supply module with high thermal efficiency |
| CN109524219A (en) * | 2019-01-10 | 2019-03-26 | 台达电子企业管理（上海）有限公司 | Transformer and power module with it |
| CN109524219B (en) * | 2019-01-10 | 2021-08-20 | 台达电子企业管理（上海）有限公司 | Transformer and power module with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106449046B (en) | 2019-01-15 |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 518000, 5 floor, Fengyun mansion, five road north, Nanshan District science and Technology Park, Shenzhen, Guangdong Applicant after: Shenzhen Vmax Power Co.,Ltd. Address before: 518000, 4 floor, Fengyun mansion, five road north, Nanshan District science and Technology Park, Shenzhen, Guangdong Applicant before: Shenzhen Vmax Power Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 518000, 5 floor, Fengyun mansion, five road north, Nanshan District science and Technology Park, Shenzhen, Guangdong Patentee after: Shenzhen Vmax Power Co.,Ltd. Address before: 518000, 5 floor, Fengyun mansion, five road north, Nanshan District science and Technology Park, Shenzhen, Guangdong Patentee before: Shenzhen Vmax Power Co.,Ltd. |
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Address after: 518000 Fengyun Science and Technology Building, No. 5 Industrial Zone, North Ring Road, Nanshan District, Shenzhen City, Guangdong Province, 501 Patentee after: Shenzhen Weimeisi New Energy (Group) Co.,Ltd. Country or region after: China Address before: 518000, 5 floor, Fengyun mansion, five road north, Nanshan District science and Technology Park, Shenzhen, Guangdong Patentee before: Shenzhen Vmax Power Co.,Ltd. Country or region before: China |