CN104240926A - Transformer structure - Google Patents
Transformer structure Download PDFInfo
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- CN104240926A CN104240926A CN201410488592.6A CN201410488592A CN104240926A CN 104240926 A CN104240926 A CN 104240926A CN 201410488592 A CN201410488592 A CN 201410488592A CN 104240926 A CN104240926 A CN 104240926A
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- heat
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- inductance unit
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- device structure
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Abstract
The invention discloses a transformer structure. The transformer structure comprises a shell, an inductance unit and heat-conductive glue, wherein the shell is provided with a containing space; the inductance unit is arranged in the containing space and is provided with a wire winding part and a magnetic core group; the wire winding part also comprises a pin which is bent and exposed outside the shell; the heat-conductive glue fills the containing space in the shell so as to cover the inductance unit arranged in the containing space completely and increase the heat radiating area of the inductance unit; heat energy generated by the inductance unit is conducted to the shell by the heat-conductive glue so as to carry out heat radiation and insulated blocking; the shell is also provided with a first side surface; the first side surface is provided with a plurality of holes for penetration of locking and fixing elements so as to connect and fix the transformer structure and an auxiliary heat radiating device which is a water-cooling heat radiating device.
Description
Technical field
The present invention relates to a kind of transformer device structure, espespecially a kind ofly promote radiating effect and can the transformer device structure of insulated barriers.
Background technology
Transformer is the electronic building brick often used in various electric equipment, in order to adjust different voltage, and the scope enabling it reach electrical equipment to be suitable for.Refer to Fig. 1, it is the structural representation of a traditional transformer.As shown in Figure 1, this transformer 1 mainly comprises magnetic core group 11 (magnetic core assembly), winding base 12 (bobbin), elementary coiling 13 (primary winding coil) and secondary rolling thread 14 (secondary winding coil).Wherein, elementary coiling 13 and secondary rolling thread 14 overlap each other (overlap) lap wound in the winding section 121 of winding base 12, and with such as insulating tape 15 (isolation tape) insulated separation.Magnetic core group 11 is made up of one first magnetic core portion 111 and one second magnetic core portion 112 usually, the part-structure of magnetic core group 11, such as first axle center part 111a, the 112a in the first magnetic core portion 111 and the second magnetic core portion 112, be arranged in the passage 122 of winding base 12, make magnetic core group 11 produce electromagnetic coupled with elementary coiling 13 and secondary rolling thread 14 to respond to, so as to reaching the object of voltage transitions.
Traditional transformer 1 normally utilizes the mode of natural heat dissipation to dispel the heat, therefore outside magnetic core group 11 and winding section 121 must being exposed to, to increase radiating efficiency, but this exposed structure easily produces higher electromagnetic interference to the circuit being adjacent to transformer 1, thus often need more multistage filter to carry out filtering interfering electric wave, cause the degree of difficulty increased in circuit design, cost increase and need consider electromagnetic interference and meet the problems such as safety on arranging.
In addition, when using in confined space if transformer 1 is arranged at, then can because of the factor such as the gaseous exchange in confined space is not good or service time is long, transformer 1 is heated constantly in running, high temperature is caused to be accumulated, and then directly have influence on transformer 1 and use the usefulness of periphery electronic installation and the useful life of transformer 1, therefore transformer 1 setting and use and more need the design especially considering enhancing radiating efficiency.
In order in response to the different radiating efficiency arranging environment and improve traditional transformer 1, the general material that usually can adopt change magnetic core group 11 in the change structural design of transformer, or change wire diameter and the winding turns of elementary coiling 13 and secondary rolling thread 14, again or replace the coil of traditional elementary coiling 13 and secondary rolling thread 14 with Copper Foil, to increase the different modes such as area of dissipation, but the design of these different transformer device structures all needs the specification again changing transformer, and need die sinking again to make new transformer device structure, thus need to expend more time cost and research and development in operation, manufacturing cost.
Therefore, how developing one and can improve conventional technical drawback, when not changing original transformer device structure, can improve the transformer device structure that radiating efficiency more can reach insulation isolation, real is at present in the urgent need to the problem of research and development.
Summary of the invention
One object of the present invention is to provide a kind of transformer device structure, to solve traditional transformer because of poor heat radiation, causes working temperature too high, and then affects the defect in transformer and periphery electronic installation usefulness and useful life.
Another object of the present invention is to provide a kind of transformer device structure, to solve traditional transformer easily to produce electromagnetic interference defect because winding structure is exposed.
For reaching above-mentioned purpose, of the present invention one comparatively broad embodiment is for providing a kind of transformer device structure, and it comprises: housing, has accommodation space; Inductance unit, is arranged in accommodation space, and has winding section and magnetic core group, and winding section also comprises pin, and pin bending is exposed to outside housing; And heat-conducting glue, be filled in the accommodation space of enclosure interior, cover the inductance unit be placed in accommodation space with complete packet, in order to increase the area of dissipation of inductance unit; Wherein, the heat energy that inductance unit produces conducts to housing by heat-conducting glue, to carry out dispelling the heat and insulated barriers, housing also has the first side, first side has multiple hole, wear with for lock member, transformer device structure and auxiliary radiating device to be connected and fixed, and auxiliary radiating device is water-cooling heat radiating device.
Effect of the present invention is: transformer device structure of the present invention has housing, inductance unit and heat-conducting layer, wherein, the heat energy that inductance unit produces conducts to housing via the heat-conducting layer be arranged between housing and inductance unit, to promote the radiating efficiency of transformer and to reduce the temperature of transformer, simultaneously, electromagnetic interference protective layer is formed by the coated of metal shell, also can reduce the electromagnetic interference that transformer produces, reduce impact on transformer periphery electronic installation, good and can the advantages such as electromagnetic interference be reduced to make transformer have thermal conductivity concurrently.
Accompanying drawing explanation
Fig. 1: it is the structural representation of traditional transformer.
Fig. 2 A: it is the detonation configuration schematic diagram of the transformer device structure of the present invention first preferred embodiment.
Fig. 2 B: its structural representation assembled for the housing shown in Fig. 2 A and inductance unit.
Fig. 2 C: it is the package assembly schematic diagram of Fig. 2 A.
Fig. 3: it is the structural representation of the transformer device structure of the present invention second preferred embodiment.
Wherein, description of reference numerals is as follows:
Transformer: 1,2,3
Magnetic core group: 11,212,312
First magnetic core portion: 111
Second magnetic core portion: 112
First axle center part: 111a
Second axle center part: 112a
Winding base: 12
Winding section: 121,211,311
Passage: 122
Elementary coiling: 13
Secondary rolling thread: 14
Adhesive tape: 15
Inductance unit: 21,31
Main winding: 211a
Secondary winding: 211b
Penetrating via: 211c
Insulating tape: 211d
Magnetic core: 212a, 212b, 312a, 312b
Pin: 213,313
First pin: 213a
Second pin: 213b
Housing: 22,32
Opening: 221
Accommodation space: 222
First side: 223
Hole: 223a
Substrate: 23
Perforated holes: 231
Heat-conducting glue: 24
Drum stand: 311a
Winding: 311b
Internal face: 321
Heat-conducting patch: 33
Distance: d1, d2
Embodiment
Some exemplary embodiments embodying feature & benefits of the present invention describe in detail in the explanation of back segment.Be understood that the present invention can have various changes in different modes, it neither departs from the scope of the present invention, and explanation wherein and accompanying drawing are in itself when the use explained, and is not used to limit the present invention.
Refer to Fig. 2 A to Fig. 2 C, it is the structural representation of the transformer device structure of the present invention first preferred embodiment, and as shown in the figure, transformer 2 of the present invention formed primarily of inductance unit 21, housing 22 and heat-conducting layer.
As shown in Figure 2 A, inductance unit 21 comprises winding section 211 and magnetic core group 212, in some embodiments, winding section 211 has main winding 211a and secondary winding 211b, for the present embodiment, main winding 211a and secondary winding 211b can be but not be limited to made by Copper Foil, and outside Copper Foil, more attach one deck insulating tape 211d, using as insulated barriers, and, main winding 211a is wound around with circle, and forms the penetrating via 211c of hollow at circle centre position, and secondary winding 211b is then coated to be wound in outside main winding 211a.And, magnetic core group 212 is made up of two corresponding magnetic core 212a and 212b arranged, in the present embodiment, magnetic core 212a and magnetic core 212b is the coated upper and lower sides being arranged at winding section 211 respectively, and respectively the part-structure of magnetic core 212a and magnetic core 212b is run through and be arranged in the penetrating via 211c of winding section 211, certainly, the kenel of magnetic core group 212 and assembling mode can apply mode according to actual and appoint and execute change, not as limit.
In addition, as shown in Figure 2 A, inductance unit 21 has more pin 213, one end of pin 213 is connected with winding section 211, the other end is then electrically connected with a circuit board (not shown), for the present embodiment, main winding 211a and secondary winding 211b is electrically connected with circuit board (not shown) respectively by the first pin 213a and the second pin 213b, to make main winding 211a and secondary winding 211b after energising and magnetic core group 212 produces electromagnetic coupled and responds to, so as to reaching the object of voltage transitions.
In other embodiments, the winding section 211 of inductance unit 21 also can be the winding section of single coiling, and its material can be enamelled wire or Copper Foil, but not as limit.
Please refer to Fig. 2 A and Fig. 2 B, as shown in Figure 2 A, the housing 22 of transformer 2 is square casing, it is primarily of can made by the metal material of heat conduction, such as: copper or aluminium, but not as limit, and housing 22 has opening 221 and accommodation space 222, opening 221 is connected with accommodation space 222, in order to be arranged in accommodation space 222 for inductance unit 21 via this opening 221, and after inductance unit 21 is arranged at accommodation space 222 inside, as shown in Figure 2 B, again heat-conducting layer is set between inductance unit 21 and housing 22, in some embodiments, heat-conducting layer can be heat-conducting glue 24, it is filled in the accommodation space 222 of housing 22 inside, the inductance unit 21 be placed in accommodation space 222 is covered with complete packet, in order to increase the area of dissipation of inductance unit 21, the heat produced to make self-inductance unit 21 can conduct on housing 22 via the heat-conducting layer of this heat-conducting glue 24 formation, it is mainly by the characteristic that the conductive coefficient of heat-conducting glue 24 is larger, promote the radiating efficiency of inductance unit 21, make heat energy can not accumulate in inductance unit 21, to increase the useful life of transformer 2.
In addition, in some embodiments, transformer 2 more comprises substrate 23, the area of substrate 23 is greater than in fact the bottom area of housing 22, and on substrate 23, have more the perforated holes 231 corresponding with the position of pin 213 and quantity, as shown in Figure 2 B, when inductance unit 21 correspondence is arranged in housing 22, pin 213 bending of inductance unit 21 is exposed to outside housing 22, because pin 213 is usually by having made by plastic metal material, thus the angle changing pin 213 bending because of the effect of external force is easier to, it is caused not easily to be inserted on circuit board (not shown), but when the housing 22 that inductance unit 21 is housed is arranged on substrate 23, then pin 213 correspondence be exposed to outside housing 22 can be passed through the perforated holes 231 of substrate 23, and then the position of auxiliary fixed pin 213 end, its assembled after structure as shown in Figure 2 C, substrate 23 not only can in order to carry housing 22, more can plug location for pin 213 simultaneously, transformer 2 can be inserted on circuit board (not shown) expediently.
Please refer to Fig. 2 A, Fig. 2 B and Fig. 2 C, wherein, housing 22 has more the first side 223, and on the first side 223, there is a plurality of hole 223a, this plurality of hole 223a can supply lock member, such as: screw, wear, in order to the housing 22 being equiped with inductance unit 21 is connected to another auxiliary radiating device, such as: water-cooling heat radiating device or fin, but not as limit.Thus, the heat energy that then inductance unit 21 produces can conduct on housing 22 by heat-conducting glue 24, conduct to again on the auxiliary radiating device that is connected with the first side 223, by this to accelerate the radiating rate of transformer 2, and can prevent transformer 2 from producing overheated saturated phenomenon.In addition, because housing 22 is made by metal material, thus can the electromagnetic field that inductance unit 21 produces when operating be coated in metal shell 22, form electromagnetic interference (EMI) overcoat, in order to reduce the electromagnetic interference that transformer 2 produces, and then the quantity of filter circuit in circuit board can be reduced, and the size of the circuit board that transformer 2 is set can be reduced further.
Refer to Fig. 3, it is the structural representation of the transformer device structure of the present invention second preferred embodiment, and as shown in the figure, transformer 3 of the present invention formed primarily of inductance unit 31, housing 32 and heat-conducting layer.Wherein, inductance unit 31 has winding section 311, magnetic core group 312 and pin 313, similar with previous embodiment, magnetic core group 312 is also made up of two magnetic core 312a and 312b, and part is arranged in winding section 311, and winding section 311 is electrically connected with circuit board (not shown) by pin 313, produce inductance coupling to make winding section 311 and magnetic core group 312 to respond to, to reach the object of voltage transitions, only in the present embodiment, winding section 311 also comprises drum stand 311a, in order to arrange winding 311b, the kenel of winding 311b can be but not be limited to Copper Foil or enamelled wire, its can according to actual apply mode and appoint execute change, not as limit.
And, the housing 32 of transformer 3 is square casing, it is primarily of can made by the metal material of heat conduction, such as: copper or aluminium, but not as limit, in addition, in the present embodiment, heat-conducting layer can be but not be limited to heat-conducting patch 33, it first can be sheathed on the internal face 321 of housing 32 by a mould, and the length of side d1 of internal face 321 after sheathed heat-conducting patch 33 is equivalent in fact the length of side d2 of inductance unit 31, therefore, when inductance unit 31 is arranged at housing 32 inside, the heat-conducting patch 33 being then arranged at internal face 321 adhere well in inductance unit 31, the area of dissipation of inductance unit 31 can be increased, and heat is conducted on housing 32 by heat-conducting patch 33, with uniform heat conduction, and increase the radiating efficiency of transformer 3.
In addition, this heat-conducting patch 33 also has insulation effect and can prevent primary and secondaryly produce short circuit by housing, to meet the requirement of safety.
In addition, when there is the too high phenomenon of temperature in the inductance unit 31 that discovery one is arranged separately, can directly by setting up housing 32 and being arranged at the heat-conducting patch 33 between housing 32 and inductance unit 31, to lower the temperature of inductance unit 31, thus, then the time and money cost expended needed for the new inductance unit 31 of design or exploitation new die can be saved.Or be when transformer 3 will be arranged in different environment, equally only need according to institute to design for the space size arranged can with the housing 32 coordinated, significantly can save the design for change of transformer 3 equally, develop new die and the time again made and cost.
As can be seen here, inductance unit 31 in transformer 3 is not limited to have master, secondary winding or there is the inductance unit 31 of single coiling, and the kenel of its winding section 311 and magnetic core group 312 can according to actual apply situation and appoint execute change, namely transformer 3 of the present invention is applicable to the transformer of number of different types, its all can coordinate corresponding can heat conduction and the housing 32 of tool insulation shielding function and the heat-conducting layer that is closely arranged between inductance unit 31 and housing 32 to increase the radiating efficiency of transformer 3, make transformer 3 no matter under long-time use or harsh in environment for use, in the confined space that convection current is not good, such as: machine room, in automobile, all can effectively dispel the heat, and the working temperature of transformer 3 can be reduced, overheated saturated situation is produced to prevent transformer 3, thus the useful life of transformer 3 is extended.
In sum, transformer device structure of the present invention has housing, inductance unit and heat-conducting layer, wherein, the heat energy that inductance unit produces conducts to housing via the heat-conducting layer be arranged between housing and inductance unit, to promote the radiating efficiency of transformer and to reduce the temperature of transformer, simultaneously, electromagnetic interference protective layer is formed by the coated of metal shell, also can reduce the electromagnetic interference that transformer produces, reduce impact on transformer periphery electronic installation, good and can the advantages such as electromagnetic interference be reduced to make transformer have thermal conductivity concurrently.Therefore, transformer device structure of the present invention has industrial value, and meets all kinds of patents important document, therefore files an application in accordance with the law.
The present invention must be appointed by person familiar with the technology and executes craftsman and to think and for modifying as all, so neither de-scope protected as claims institute wish.
Claims (5)
1. a transformer device structure, it comprises:
One housing, has an accommodation space;
One inductance unit, is arranged in this accommodation space, and has a winding section and a magnetic core group, and this winding section also comprises a pin, and the bending of this pin is exposed to outside this housing; And
One heat-conducting glue, is filled in the accommodation space of this enclosure interior, covers this inductance unit be placed in this accommodation space with complete packet, in order to increase the area of dissipation of this inductance unit;
Wherein, the heat energy that this inductance unit produces conducts to this housing by this heat-conducting glue, to carry out dispelling the heat and insulated barriers, this housing also has one first side, this first side has multiple hole, wear with for a lock member, this transformer device structure and an auxiliary radiating device to be connected and fixed, and this auxiliary radiating device is a water-cooling heat radiating device.
2. transformer device structure as claimed in claim 1, wherein this winding section is made by Copper Foil.
3. transformer device structure as claimed in claim 1, wherein this pin is in order to be electrically connected with a circuit board.
4. transformer device structure as claimed in claim 1, wherein this transformer device structure also comprises a substrate, and this substrate has at least one perforated holes, plugs location with for this pin.
5. transformer device structure as claimed in claim 1, wherein this housing is made by the metal material of heat conduction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410488592.6A CN104240926A (en) | 2009-02-18 | 2009-02-18 | Transformer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410488592.6A CN104240926A (en) | 2009-02-18 | 2009-02-18 | Transformer structure |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910006443A Division CN101807476A (en) | 2009-02-18 | 2009-02-18 | Transformer structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104240926A true CN104240926A (en) | 2014-12-24 |
Family
ID=52228828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410488592.6A Pending CN104240926A (en) | 2009-02-18 | 2009-02-18 | Transformer structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104240926A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105869828A (en) * | 2015-01-22 | 2016-08-17 | 台达电子工业股份有限公司 | Magnetic element |
| CN106024272A (en) * | 2016-07-08 | 2016-10-12 | 海宁联丰东进电子有限公司 | Inductor |
| CN110085397A (en) * | 2018-01-26 | 2019-08-02 | 弗里沃电器有限责任公司 | Transformer unit for resonance converter |
| DE202018103181U1 (en) * | 2018-06-07 | 2019-09-10 | Tridonic Gmbh & Co. Kg | Operating device with heat conduction structure |
| US20200286667A1 (en) * | 2019-03-10 | 2020-09-10 | Cyntec Co., Ltd. | Magnetic component structure with thermal conductive filler and method of fabricating the same |
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| CN2162702Y (en) * | 1993-06-16 | 1994-04-20 | 杨书林 | Dry transformer |
| CN2214701Y (en) * | 1994-06-04 | 1995-12-06 | 李沐荪 | High frequency transformer magnetic core outer shell with externally-connected radiating fin |
| DE20317641U1 (en) * | 2003-11-14 | 2004-01-15 | Vacuumschmelze Gmbh & Co. Kg | Thermal bridge for toroidal inductors |
| CN1484258A (en) * | 2002-09-16 | 2004-03-24 | 台达电子工业股份有限公司 | Transformer with heat conductive glue auxiliary radiation |
| KR100774673B1 (en) * | 2006-08-11 | 2007-11-08 | 현대자동차주식회사 | Heat radiation structure for transformer of dc/dc converter |
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2009
- 2009-02-18 CN CN201410488592.6A patent/CN104240926A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2162702Y (en) * | 1993-06-16 | 1994-04-20 | 杨书林 | Dry transformer |
| CN2214701Y (en) * | 1994-06-04 | 1995-12-06 | 李沐荪 | High frequency transformer magnetic core outer shell with externally-connected radiating fin |
| CN1484258A (en) * | 2002-09-16 | 2004-03-24 | 台达电子工业股份有限公司 | Transformer with heat conductive glue auxiliary radiation |
| DE20317641U1 (en) * | 2003-11-14 | 2004-01-15 | Vacuumschmelze Gmbh & Co. Kg | Thermal bridge for toroidal inductors |
| KR100774673B1 (en) * | 2006-08-11 | 2007-11-08 | 현대자동차주식회사 | Heat radiation structure for transformer of dc/dc converter |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105869828A (en) * | 2015-01-22 | 2016-08-17 | 台达电子工业股份有限公司 | Magnetic element |
| TWI611440B (en) * | 2015-01-22 | 2018-01-11 | 台達電子工業股份有限公司 | Magnetic element |
| US10068696B2 (en) | 2015-01-22 | 2018-09-04 | Delta Electronics, Inc. | Magnetic device |
| CN105869828B (en) * | 2015-01-22 | 2018-10-09 | 台达电子工业股份有限公司 | Magnetic element |
| CN106024272A (en) * | 2016-07-08 | 2016-10-12 | 海宁联丰东进电子有限公司 | Inductor |
| CN110085397A (en) * | 2018-01-26 | 2019-08-02 | 弗里沃电器有限责任公司 | Transformer unit for resonance converter |
| DE202018103181U1 (en) * | 2018-06-07 | 2019-09-10 | Tridonic Gmbh & Co. Kg | Operating device with heat conduction structure |
| EP3578880A1 (en) * | 2018-06-07 | 2019-12-11 | Tridonic GmbH & Co. KG | Operating device with heat conducting structure |
| US20200286667A1 (en) * | 2019-03-10 | 2020-09-10 | Cyntec Co., Ltd. | Magnetic component structure with thermal conductive filler and method of fabricating the same |
| US11710595B2 (en) * | 2019-03-10 | 2023-07-25 | Cyntec Co., Ltd. | Magnetic component structure with thermal conductive filler and method of fabricating the same |
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Application publication date: 20141224 |