CN108269679A - Transformer device structure - Google Patents
Transformer device structure Download PDFInfo
- Publication number
- CN108269679A CN108269679A CN201611264329.4A CN201611264329A CN108269679A CN 108269679 A CN108269679 A CN 108269679A CN 201611264329 A CN201611264329 A CN 201611264329A CN 108269679 A CN108269679 A CN 108269679A
- Authority
- CN
- China
- Prior art keywords
- roll
- magnetic core
- device structure
- base portion
- transformer device
- 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.)
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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
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F30/00—Fixed transformers not covered by group H01F19/00
- H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
Abstract
A kind of transformer device structure includes the first coiling module, the second coiling module and insulation sleeve.First coiling module includes the first roll, first coil and the first magnetic core.First coil is wound in the first roll, and the first roll is set to the first magnetic core.Second coiling module includes the second roll, the second coil and the second magnetic core.Second coil is wound in the second roll, and the second roll is set to the second magnetic core.Insulation sleeve is sheathed on the first roll.Insulation sleeve includes base portion and side of sidewall portion, and side of sidewall portion is circumferentially connected to base portion and forms storage tank.At least partly the first roll, at least part first coil and the first magnetic core of part are all located at storage tank, and base portion is between the first roll and the second roll.
Description
Technical field
The present invention relates to a kind of transformer, more particularly to a kind of part-structure of transformer.
Background technology
With electronic product evolution and development, different electronic products need to be driven using different voltages.Become to allow
Depressor is able in the power supply device for being more widely used in various different sizes, and part dealer attempts adjustment transformer and produced
Raw leakage inductance.A kind of existing transformer device structure includes the first siding ring and second siding ring of phase separation, and is assembling
When adjustment first siding ring and second siding ring between spacing to increase or decrease leakage inductance.
When applying first siding ring of the high voltage in transformer device structure, if between first siding ring and second siding ring
Space length (Clearance Distance) and creepage distance (Creepage Distance) it is too short, user is operating
Electrical hazard easily occurs during transformer.Therefore, between the first siding ring and second siding ring in existing transformer device structure
Spacing must increase as much as possible to provide longer space length and creepage distance, to ensure electrical safety.However, increase by one
Spacing between secondary lateral coil and second siding ring can increase the volume of transformer, be unfavorable for applying in lightening electronic product
In, and then limit the application range of transformer.In addition, when spacing increase, the magnetic resistance of transformer device structure increases and inductance drops
It is low, cause transformation efficiency bad.
Invention content
In view of the above problems, it is an object of the invention to disclose a kind of transformer device structure, help to solve existing primary
Spacing between lateral coil and second siding ring is excessive and causes the problem of volume of transformer is excessive and transformation efficiency is bad.
Disclosed herein transformer device structure include one first coiling module, one second coiling module and at least one absolutely
Edge set.First coiling module includes one first roll, a first coil and one first magnetic core.First coil is wound in first
Roll, and the first roll is set to the first magnetic core.Second coiling module include one second roll, one second coil and
One second magnetic core.Second coil is wound in the second roll, and the second roll is set to the second magnetic core.Insulation sleeve is sheathed on
One roll.Insulation sleeve includes a base portion and side wall portion, and side of sidewall portion is circumferentially connected to base portion and forms a storage tank.
At least partly the first roll, at least part first coil and the first magnetic core of part are all located at storage tank, and base portion is between first
Between roll and the second roll.
According to disclosed herein transformer device structure, insulation sleeve includes base portion and is circumferentially connected to the side wall of base portion
Portion.The first roll of part, part first coil are all collectively formed accommodating with the first magnetic core of part positioned at base portion and side of sidewall portion
In slot, and base portion is between the first roll and the second roll.Thereby, via configuration insulation sleeve, base portion helps to enable
Space length between first coil and the second coil is more suitably to take into account the demand of miniaturization and electrical safety, and side wall
Portion helps to increase the creepage distance between first coil and the second coil, to promote electrical safety, is also avoided that the first coiling
The interval of module and the second coiling module is excessive, and can maintain the miniaturization of transformer device structure.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Description of the drawings
Figure 1A is the stereoscopic schematic diagram according to the transformer device structure of first embodiment of the invention；
Figure 1B is the decomposition diagram of the transformer device structure of Figure 1A；
Fig. 1 C are the schematic cross-sectional view of the transformer device structure of Figure 1A；
Fig. 2 is the stereoscopic schematic diagram according to the transformer device structure of second embodiment of the invention；
Fig. 3 A are the stereoscopic schematic diagram according to the transformer device structure of third embodiment of the invention；
Fig. 3 B are the schematic cross-sectional view of the transformer device structure of Fig. 3 A；
Fig. 4 is the stereoscopic schematic diagram according to the transformer device structure of fourth embodiment of the invention.
Wherein, reference numeral
1st, 1a, 1b, 1c transformer device structure
10 first coiling modules
110 first rolls
120 first coils
130 first magnetic cores
131 central parts
132 extensions
20 second coiling modules
210 second rolls
220 second coils
230 second magnetic cores
231 central parts
232 extensions
30 first insulation sleeves
310 base portions
311 inner surfaces
312 outer surfaces
320 side of sidewall portion
330 storage tanks
40 second insulation sleeves
410 base portions
411 inner surfaces
412 outer surfaces
420 side of sidewall portion
430 storage tanks
50th, 60 insulation sleeve
510 base portions
530 storage tanks
620 side of sidewall portion
A sectional areas
C axle center
H1, H2 axial length
L1, L2 development length
The N numbers of turn
The summation of the thickness of T base portions
T1, T2, D1, D2 thickness
μ magnetic conductivities
Specific embodiment
The detailed features and advantage of the narration present invention in detail in embodiments below, content are enough to make any to be familiar with
Relevant art understands the technology contents of the present invention and implements according to this, and content, claim according to disclosed by this specification
Range and attached drawing, it is any to be familiar with relevant art and be readily understood upon the relevant purpose of the present invention and advantage.Following embodiment
The viewpoint of the present invention is further described, but non-anyways to limit scope of the invention.
Please refer to Figure 1A to Fig. 1 C.Figure 1A is the stereoscopic schematic diagram according to the transformer device structure of first embodiment of the invention.
Figure 1B is the decomposition diagram of the transformer device structure of Figure 1A.Fig. 1 C are the schematic cross-sectional view of the transformer device structure of Figure 1A.In this reality
It applies in example, transformer device structure 1 includes one first coiling module 10, one second coiling module 20, one first insulation sleeve 30 and one
Second insulation sleeve 40.
First coiling module 10 includes one first roll 110, a first coil 120 and one first magnetic core 130.First
Coil 120 is wound in the first roll 110, and the first roll 110 is set to the first magnetic core 130.Specifically, the first magnetic core
130 include connected a central part 131 and two extensions 132.First roll 110 is sheathed on the center of the first magnetic core 130
Portion 131 and between two extensions 132.In the present embodiment, the first coiling module 10 is as the primary of transformer device structure 1
Side (i.e. control source side, primary side).
Second coiling module 20 includes one second roll 210, one second coil 220 and one second magnetic core 230.Second
Coil 220 is wound in the second roll 210, and the second roll 210 is set to the second magnetic core 230.Specifically, the second magnetic core
230 include connected a central part 231 and two extensions 232.Second roll 210 is sheathed on the center of the second magnetic core 230
Portion 231 and between two extensions 232.In the present embodiment, the second coiling module 20 is as the secondary of transformer device structure 1
Side (i.e. voltage output side, secondary side), and the first roll 110 and the second roll of the first coiling module 10
210 substantially totally one axle center C.
First insulation sleeve 30 is sheathed on the first coiling module 10.Specifically, the first insulation sleeve 30 include a base portion 310 with
Side wall portion 320.Base portion 310 has an opposite inner surface 311 and an outer surface 312, and side of sidewall portion 320 circumferentially connects
A storage tank 330 is formed in the inner surface 311 of base portion 310.The base portion 310 of first insulation sleeve 30 is between the first coiling module 10
Between the second coiling module 20, and the inner surface 311 of base portion 310 and outer surface 312 are respectively for the first coiling module 10
With the second coiling module 20.Side of sidewall portion 320 is from the inner surface 311 of base portion 310 along axle center C towards the first roll 110 far from the
One end extension of two rolls 210.In the present embodiment, the side of sidewall portion 320 of the first insulation sleeve 30 around the first roll 110,
The central part 131 of 120 and first magnetic core 130 of first coil and extension 132, and make the first roll 110, first coil
120 are located at storage tank 330 with the first magnetic core of part 130.
Second insulation sleeve 40 is sheathed on the second coiling module 20.Specifically, the second insulation sleeve 40 include a base portion 410 with
Side wall portion 420.Base portion 410 has an opposite inner surface 411 and an outer surface 412, and side of sidewall portion 420 circumferentially connects
A storage tank 430 is formed in the inner surface 411 of base portion 410.The base portion 410 of second insulation sleeve 40 is between the first coiling module 10
Between the second coiling module 20, and the inner surface 411 of base portion 410 and outer surface 412 are respectively for the second coiling module 20
With the first coiling module 10.Side of sidewall portion 420 is from the inner surface 411 of base portion 410 along axle center C towards the second roll 210 far from the
One end extension of one roll 110.In the present embodiment, the side of sidewall portion 420 of the second insulation sleeve 40 around the second roll 210,
The central part 231 of second coil 220 and the second magnetic core 230 and extension 232, and make the second roll 210, the second coil
220 are located at storage tank 430 with the second magnetic core of part 230.
In this embodiment, contribute to via the first insulation sleeve 30 of configuration and the second insulation sleeve 40, base portion 310 with base portion 410
The space length between 120 and second coil 220 of first coil is enabled more suitably to take into account the demand of miniaturization and electrical safety,
And side of sidewall portion 320 and side of sidewall portion 420 help to increase the creepage distance between 120 and second coil 220 of first coil.By
This, the first insulation sleeve 30 and the second insulation sleeve 40 help to promote electrical safety, and avoid the first coiling module 10 and second
The interval of coiling module 20 is excessive, and can maintain the miniaturization of transformer device structure 1.
In order to promote electrical safety, in the present embodiment, the development length L1 of side of sidewall portion 320 is equal to the first roll 110
Axial length H1, and the development length L2 of side of sidewall portion 420 is equal to the axial length H2 of the second roll 210, and can provide
Enough creepage distances.According to the first insulation sleeve 30 and the electrical isolation degree of the material of the second insulation sleeve 40, extension can be adjusted
Length L1 and L2.In other embodiments, development length L1 and L2 is respectively greater than axial length H1 and H2.In other embodiment
In, development length L1 and L2 is respectively equal to the half of axial length H1 and H2.In other embodiments, development length L1 and L2 points
Not Deng Yu axial length H1 and H2 1/3rd.Specifically, the thickness of the development length L1 of side of sidewall portion 320 and base portion 310
The summation of T1 and the summation of the development length L2 of the side of sidewall portion 420 and thickness T2 of base portion 410 are all more than or equal to 3.0 millimeters
(millimeter, mm), and can be suitably used for the transformer device structure 1 of miniaturization.
In addition, in order to provide there is enough space lengths between 120 and second coil 220 of first coil, and will not
The first insulation sleeve 30 and the second insulation sleeve 40 is made to reduce transformation efficiency, needs appropriateness that the thickness of base portion 310 and 410 is configured.Work as base
The summation of the thickness of portion 310 and base portion 410 is T, and the inductance of first coil 120 is L, and the number of turn of first coil 120 is N, first
The sectional area of magnetic core 130 is A, and the magnetic conductivity of the first magnetic core 130 is μ, meets following condition：LT=(N2)Aμ.In this implementation
In example, base portion 310 and the summation of the thickness of base portion 410 are more than or equal to 0.4 millimeter, and can be suitably used for the transformer device structure of miniaturization
1.The present embodiment via above-mentioned condition design base portion 310 and 410 thickness to take into account sufficient space distance and good transformation efficiency,
But the application of above-mentioned condition formula is not limited thereto.For example, when transformer device structure 1 is applied to resonance circuit (LLC
When Topology), the thickness of base portion 310 and 410 can be designed via above-mentioned condition formula to generate the leakage inductance to suit the requirements.At this
In embodiment, first coil 120 surrounds the central part 131 of the first magnetic core 130, therefore during the sectional area of first magnetic core 130 refers to
The sectional area of center portion 131 (direction of vertical central C) in radial directions.
In addition, in the present embodiment, the thickness T1 of the base portion 310 of the first insulation sleeve 30 and the thickness D1 phases of side of sidewall portion 320
Deng, and the thickness T2 of the base portion 410 of the second insulation sleeve 40 is equal with the thickness D2 of side of sidewall portion 420, and help to simplify manufacture
Step reduces manufacture cost, but the present invention is not limited thereto.In other embodiments, the thickness of the thickness of base portion and side of sidewall portion
Degree can be unequal.
The transformer device structure of another aspect is disclosed below.Fig. 2 is the transformer device structure according to second embodiment of the invention
Stereoscopic schematic diagram.Since second embodiment is similar with first embodiment, therefore only deviation is illustrated below.
In the present embodiment, transformer device structure 1a includes two insulation sleeves 50.Two insulation sleeves 50 are sheathed on the first coiling respectively
110 and second roll 210 of axis, and the base portion 510 of two insulation sleeves 50 is only between the first roll 110 and the second roll
Between 210.For being sheathed on the insulation sleeve 50 of the first roll 110, the storage tank 530 of insulation sleeve 50 only accommodates the first coiling
The central part 131 of axis 110,120 and first magnetic core 130 of first coil, and the extension 132 of the first magnetic core 130 is exposed to outside.
The transformer device structure of another aspect is disclosed again below.Fig. 3 A are the transformer knot according to third embodiment of the invention
The stereoscopic schematic diagram of structure.Fig. 3 B are that the section view of the transformer device structure of Fig. 3 A regards schematic diagram.Since 3rd embodiment and first are implemented
Example is similar, therefore is only illustrated below with regard to deviation.
In the present embodiment, transformer device structure 1b includes two insulation sleeves 60, be sheathed on respectively the first coiling module 10 with
Second coiling module 20.Be sheathed on the side of sidewall portion 620 of the insulation sleeve 60 of the first coiling module 10 development length be equal to first around
The half of the axial length of spool 110, and the extension for being sheathed on the side of sidewall portion 620 of the insulation sleeve 60 of the second coiling module 20 is grown
Degree is equal to the half of the axial length of the second roll 210.
The transformer device structure of still another aspect is disclosed below.Fig. 4 is the transformer knot according to fourth embodiment of the invention
The stereoscopic schematic diagram of structure.Since 3rd embodiment is similar with first embodiment, therefore only deviation is illustrated below.
Compared to first embodiment, the transformer device structure 1c of the present embodiment is only comprising being sheathed on the of the first coiling module 10
One insulation sleeve 30, and 20 naked set of the second coiling module is arranged.In order to ensure enough space lengths, the of the present embodiment
The thickness of the base portion 310 of one insulation sleeve 30 is more than the thickness of the base portion 310 of the first insulation sleeve 30 of first embodiment.
In conclusion disclosed herein transformer device structure in, insulation sleeve includes base portion and is circumferentially connected to base
The side of sidewall portion in portion.The first roll of part, part first coil and the first magnetic core of part are all located at base portion and the common shape of side of sidewall portion
Into storage tank in, and base portion is between the first roll and the second roll.Via configuration insulation sleeve, base portion contributes to
Enable the space length between first coil and the second coil more suitably to take into account the demand of miniaturization and electrical safety, and side
Wall portion helps to increase the creepage distance between first coil and the second coil.Thereby, insulation sleeve helps to promote electrical safety,
Also it is avoided that the interval of the first coiling module and the second coiling module is excessive, and the miniaturization of transformer device structure can be maintained.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe
It knows those skilled in the art and makes various corresponding changes and deformation, but these corresponding changes and change in accordance with the present invention
Shape should all belong to the protection domain of appended claims of the invention.
Claims (10)
1. a kind of transformer device structure, which is characterized in that include：
One first coiling module is wound in comprising one first roll, a first coil and one first magnetic core, the first coil
First roll, and first roll is set to first magnetic core；
One second coiling module, comprising one second roll, one second coil and one second magnetic core, which is wound in
Second roll, and second roll is set to second magnetic core；And
An at least insulation sleeve is sheathed on first roll, which includes a base portion and side wall portion, the side
Wall portion is circumferentially connected to the base portion and forms a storage tank, at least partly first roll, at least partly first coil
First magnetic core is all located at the storage tank, and the base portion is between first roll and second roll with part.
2. transformer device structure according to claim 1, which is characterized in that first magnetic core includes respectively with second magnetic core
A connected central part and two extensions, first roll be sheathed on the central part of first magnetic core and between this
Between two extension of one magnetic core, which is sheathed on the central part of second magnetic core and between second magnetic
Between two extension of core, which is sheathed on two extension of first magnetic core, at least partly this first
Two extension of the central part of magnetic core and at least partly first magnetic core is all located at the storage tank, and the base portion between this
Between two extension of one magnetic core and two extension of second magnetic core.
3. transformer device structure according to claim 1, which is characterized in that first roll and second roll essence
On totally one axle center, and the side of sidewall portion of an at least insulation sleeve from the base portion along the axle center towards first roll far from this
One end extension of two rolls.
4. transformer device structure according to claim 3, which is characterized in that the development length of the side of sidewall portion be more than or equal to this
The half of the axial length of one roll.
5. transformer device structure according to claim 4, which is characterized in that the development length of the side of sidewall portion be more than or equal to this
The axial length of one roll.
6. transformer device structure according to claim 3, which is characterized in that the development length of the side of sidewall portion and the thickness of the base portion
The summation of degree is more than or equal to 3.0 millimeters.
7. transformer device structure according to claim 1, which is characterized in that the quantity of an at least insulation sleeve is two, this two
Insulation sleeve is sheathed on first roll and second roll respectively, and two base portion of two insulation sleeve all between this first
Between roll and second roll.
8. transformer device structure according to claim 7, which is characterized in that the summation of the thickness of two base portion is more than or equal to
0.4 millimeter.
9. transformer device structure according to claim 7, which is characterized in that the summation of the thickness of two base portion is T, this first
The inductance of coil is L, and the number of turn of the first coil is N, and the sectional area of first magnetic core is A, and the magnetic conductivity of first magnetic core is
μ meets following condition：
LT=(N2)Aμ。
10. transformer device structure according to claim 1, which is characterized in that the thickness of at least base portion of an insulation sleeve
It is equal with the thickness of the side of sidewall portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611264329.4A CN108269679A (en) | 2016-12-30 | 2016-12-30 | Transformer device structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611264329.4A CN108269679A (en) | 2016-12-30 | 2016-12-30 | Transformer device structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108269679A true CN108269679A (en) | 2018-07-10 |
Family
ID=62753886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611264329.4A Pending CN108269679A (en) | 2016-12-30 | 2016-12-30 | Transformer device structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108269679A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02122607A (en) * | 1988-11-01 | 1990-05-10 | Musashino Tsuukou Kk | Bobbin case of transformer of double insulation structure |
| CN101057305A (en) * | 2004-11-15 | 2007-10-17 | 电灯专利信托有限公司 | A transformer and a related method of assembly |
| CN201149806Y (en) * | 2008-01-15 | 2008-11-12 | 台龙电子股份有限公司 | Transformer structure for driving backlight module unit |
| JP2009194336A (en) * | 2008-02-18 | 2009-08-27 | Sumida Corporation | Magnetic device |
| CN101896984A (en) * | 2007-12-06 | 2010-11-24 | 富士电气化学株式会社 | Transformer |
| CN102194567A (en) * | 2010-03-18 | 2011-09-21 | 台达电子工业股份有限公司 | Combined transformer structure |
-
2016
- 2016-12-30 CN CN201611264329.4A patent/CN108269679A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02122607A (en) * | 1988-11-01 | 1990-05-10 | Musashino Tsuukou Kk | Bobbin case of transformer of double insulation structure |
| CN101057305A (en) * | 2004-11-15 | 2007-10-17 | 电灯专利信托有限公司 | A transformer and a related method of assembly |
| CN101896984A (en) * | 2007-12-06 | 2010-11-24 | 富士电气化学株式会社 | Transformer |
| CN201149806Y (en) * | 2008-01-15 | 2008-11-12 | 台龙电子股份有限公司 | Transformer structure for driving backlight module unit |
| JP2009194336A (en) * | 2008-02-18 | 2009-08-27 | Sumida Corporation | Magnetic device |
| CN102194567A (en) * | 2010-03-18 | 2011-09-21 | 台达电子工业股份有限公司 | Combined transformer structure |
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