CN109524219A - Transformer and power module with it - Google Patents
Transformer and power module with it Download PDFInfo
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- CN109524219A CN109524219A CN201910022777.0A CN201910022777A CN109524219A CN 109524219 A CN109524219 A CN 109524219A CN 201910022777 A CN201910022777 A CN 201910022777A CN 109524219 A CN109524219 A CN 109524219A
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- Prior art keywords
- leading
- out terminal
- side winding
- segment portion
- transformer
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- 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
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- 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
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/16—Water cooling
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
The invention discloses a kind of transformer and with its power module, transformer includes: two the first iron cores, primary side winding and the vice-side winding being oppositely arranged, vice-side winding includes: first segment portion and second segment portion, first segment portion has the first leading-out terminal, the second leading-out terminal, the first connecting pin and the first opening, first leading-out terminal and the second leading-out terminal are in the side in first segment portion, the other side of first connecting pin in first segment portion；Second segment portion has third leading-out terminal, the 4th leading-out terminal, second connection end and the second opening, the side of third leading-out terminal and the 4th leading-out terminal in second segment portion, the other side of the second connection end in second segment portion, second segment portion is parallel to first segment portion, and second connection end at least partly is at least partly connected to form interconnecting piece with the first connecting pin；Between the first segment portion for being at least partially disposed at vice-side winding and second segment portion of primary side winding.
Description
Technical field
The present invention relates to a kind of transformer and with its power module, specifically, more particularly to a kind of with enhancing
The transformer of heat sinking function and power module with it.
Background technique
In the exploitation of power module, water-cooling is customary way, also relatively more effective.But water-cooling needs
Will by a series of heat transfer process, heat could be transmitted to from heater element it is water-borne, as heat be transmitted to from transformer it is scattered
Hot glue is finally extremely water-borne to water-borne tube wall again to heat dissipation cold plate again to encapsulating cavity again, and heat is taken away eventually by water-borne.
In order to enhance heat-sinking capability, can on heater element radiation fin or it is other be easy to thermally conductive material, but can phase
Volume, the weight for the increase device answered, and increase cost.
Transformer is made of iron core, winding bobbin and winding etc., and winding includes primary side winding and vice-side winding, wherein primary side
Winding and vice-side winding are most important heat generating components, therefore other than reducing transformer loss itself, how to increase transformer
The contact area of main heating part and thermal paste will be effective reduction a thermal resistance, the method for heat radiation ability.
Summary of the invention
In order to overcome the above-mentioned problems of the prior art, the purpose of the present invention is to provide a kind of transformers, wherein packet
It includes:
Two the first iron cores being oppositely arranged；
One primary side winding；And
One vice-side winding, comprising:
First segment portion has the first leading-out terminal, the second leading-out terminal, the first connecting pin and the first opening, and described first goes out
In the side in the first segment portion, first connecting pin is another the first segment portion for line end and second leading-out terminal
Side；
There is third leading-out terminal, the 4th leading-out terminal, second connection end and the second opening, the third to go out in second segment portion
In the side in the second segment portion, the second connection end is another the second segment portion for line end and the 4th leading-out terminal
Side, the second segment portion are parallel to the first segment portion, and the second connection end at least partly with first connecting pin
At least partly be connected to form interconnecting piece；
The first segment portion for being at least partially disposed at the vice-side winding of the primary side winding and described
Between second segment portion.
Above-mentioned transformer, wherein first leading-out terminal is oppositely arranged with the third leading-out terminal, second outlet
End is oppositely arranged with the 4th leading-out terminal.
Above-mentioned transformer, wherein first pair of first leading-out terminal and second leading-out terminal composition first coil
Outer connectivity port, the third leading-out terminal and the 4th leading-out terminal constitute the second external connection port of the second coil, described
First external connection port and second external connection port are connect with an external circuit respectively.
Above-mentioned transformer, wherein the third pair of first leading-out terminal and the 4th leading-out terminal composition first coil
Outer connectivity port, second leading-out terminal and the third leading-out terminal constitute the 4th pair of complete connectivity port of the second coil, described
Third external connection port and the 4th external connection port are connect with an external circuit respectively.
The present invention also provides a kind of transformers, wherein includes:
Two the first iron cores being oppositely arranged；
An at least primary side winding；And
An at least vice-side winding, comprising:
First segment portion has the first leading-out terminal, the second leading-out terminal, the first connecting pin and the first opening, and described first goes out
In the side in the first segment portion, first connecting pin is another the first segment portion for line end and second leading-out terminal
Side；
There is third leading-out terminal, the 4th leading-out terminal, second connection end and the second opening, the third to go out in second segment portion
In the side in the second segment portion, the second connection end is another the second segment portion for line end and the 4th leading-out terminal
Side, the second segment portion are parallel to the first segment portion, and second connecting side in the second segment portion at least partly with it is described
First connecting side in first segment portion is at least
Part is connected to form interconnecting piece；
Be at least partially disposed at an at least vice-side winding described the of at least one primary side winding
Between one section of portion and the second segment portion.
Above-mentioned transformer, wherein first leading-out terminal is oppositely arranged with the third leading-out terminal, second outlet
End is oppositely arranged with the 4th leading-out terminal.
Above-mentioned transformer, wherein first pair of first leading-out terminal and second leading-out terminal composition first coil
Outer connectivity port, the third leading-out terminal and the 4th leading-out terminal constitute the second external connection port of the second coil, described
First external connection port and second external connection port are connect with an external circuit respectively.
Above-mentioned transformer, wherein the third pair of first leading-out terminal and the 4th leading-out terminal composition first coil
Outer connectivity port, second leading-out terminal and the third leading-out terminal constitute the 4th external connection port of the second coil, described
Third external connection port and the 4th external connection port are connect with an external circuit respectively.
Above-mentioned transformer, wherein bent after the vice-side winding is formed by the metallic conduction piece integrated punching of monolithic
At.
Above-mentioned transformer, wherein the metallic conduction piece is copper metal piece.
Above-mentioned transformer, wherein the vice-side winding further includes insulating layer, and the insulating layer is in the first segment portion
And/or between the second segment portion and first iron core.
Above-mentioned transformer, wherein the vice-side winding further includes an at least extension, is arranged and is connected to the connection
At least side in portion.
Above-mentioned transformer, wherein the interconnecting piece and the extension are integrally formed part.
Above-mentioned transformer, wherein the first segment portion, an at least primary side winding, the second segment portion is successively arranged
Column.
Above-mentioned transformer, wherein the transformer include the first vice-side winding, the second vice-side winding, the first primary side around
Group, the second primary side winding and third primary side winding, the first segment portion of first vice-side winding, first primary side around
Group, the second segment portion of first vice-side winding, second primary side winding, the first segment portion of second vice-side winding, institute
Third primary side winding is stated, the second segment portion of second vice-side winding is arranged successively.
Above-mentioned transformer, wherein the transformer include the first vice-side winding, the second vice-side winding, the first primary side around
Group, the second primary side winding and third primary side winding, the first segment portion of first vice-side winding, first primary side around
Group, the first segment portion of second vice-side winding, second primary side winding, the second segment portion of first vice-side winding, institute
Third primary side winding is stated, the second segment portion of second vice-side winding is arranged successively.
Above-mentioned transformer, wherein first leading-out terminal, second leading-out terminal, the third leading-out terminal and described
4th leading-out terminal has lug boss, and the lug boss has a height.
Above-mentioned transformer, wherein the transformer further includes an at least bobbin winder bracket, and the primary side winding includes multiple lines
Circle is wound in respectively in the wire casing of the bobbin winder bracket, and the positioning region of protrusion is provided on the bobbin winder bracket, when assembling described in first
Opening and/or second opening are accordingly sticked on the positioning region.
Above-mentioned transformer, wherein the coil of the primary side winding is made of three layer insulation wire.
Above-mentioned transformer, wherein further include inductance, the inductance includes:
Second iron core is set to the side of at least one first iron core；
An at least inductor winding is set between second iron core and first iron core.
The present invention also provides a kind of power modules, wherein including described in any item transformers among the above.
Above-mentioned power module, wherein further include cavity, the transformer is set in the cavity.
Above-mentioned power module, wherein further include thermal paste, the thermal paste is set in the cavity and at least partly
Coat the transformer.
Above-mentioned power module, wherein further include heat sink, be set to the cavity bottom and/or surrounding, conduction to institute
The heat for stating cavity is transferred out by the heat sink.
Above-mentioned power module, wherein the heat sink is water-cooling plate.
The effect of being directed to prior art is:
1, under certain power (or loss), heat dissipation is easier, and temperature rise is lower, can suitably reduce transformer volume,
Weight, and then can be realized the volume for reducing power module, it is easy to implement the lightness of power module；
2, under the premise of maintaining volume, weight constant, the power handling capability of power supply can effectively be promoted；
3, quasi- Sanming City smelting structure can also be formed by external connection appropriate, enhances the coupling between former secondary side, reduces
Loss, improves efficiency.
Detailed description of the invention
Fig. 1 and Fig. 2 is the structural schematic diagram of vice-side winding first embodiment of the present invention；
Fig. 3 is the explosive view of transformer first embodiment of the present invention；
Fig. 4 is Fig. 3 winding combination schematic diagram；
Fig. 5 is the explosive view of transformer second embodiment of the present invention；
Fig. 6 is Fig. 5 winding combination schematic diagram；
Fig. 7 to Fig. 8 is the structural schematic diagram of vice-side winding second embodiment of the present invention；
Fig. 9 is the explosive view of transformer 3rd embodiment of the present invention；
Figure 10 is Fig. 9 winding combination schematic diagram；
Figure 11 is the explosive view of transformer fourth embodiment of the present invention；
Figure 12 is the magnetic part partial structure diagram of power module of the present invention；
Figure 13 is the A-A ' cross-sectional view of Figure 12.
Wherein, appended drawing reference are as follows:
First iron core 11
Primary side winding 12
Vice-side winding 13
First segment portion 131
First leading-out terminal 1311
Second leading-out terminal 1312
First connecting pin 1313
First opening 1314
Second segment portion 132
Third leading-out terminal 1321
4th leading-out terminal 1322
Second connection end 1323
Second opening 1324
Interconnecting piece 133
Bobbin winder bracket 14
Positioning region 141
Insulating layer 134
Extension 135
First vice-side winding 13A
Second vice-side winding 13B
First primary side winding 12A
Second primary side winding 12B
Third primary side winding 12C
Lug boss T
Lug boss T1
Transformer TX
Heat sink B
Cavity Q
Specific embodiment
Present invention is further described in detail with specific embodiment with reference to the accompanying drawing: the present embodiment is with skill of the present invention
Implemented under premised on art scheme, give embodiment and operating process, but protection scope of the present invention be not limited to it is following
Embodiment.
Fig. 1 to Fig. 4 is please referred to, Fig. 1 and Fig. 2 are the structural schematic diagram of vice-side winding first embodiment of the present invention；Fig. 3 is this
The explosive view of invention transformer first embodiment；Fig. 4 is Fig. 3 winding combination schematic diagram.As shown in Figures 1 to 4, change of the invention
Depressor TX includes: two the first iron cores 11 and winding being oppositely arranged, and winding includes primary side winding 12 and vice-side winding 13.Wherein
Vice-side winding 13 includes first segment portion 131 and second segment portion 132, and first segment portion 131 has the first leading-out terminal 1311, the second outlet
The 1312, first connecting pin of end 1313 and the first opening 1314, the first leading-out terminal 1311 and the second leading-out terminal 1312 are in first segment
The side in portion 131, the other side of first connecting pin 1313 in first segment portion 131；Second segment portion 132 has third leading-out terminal
1321, the 4th leading-out terminal 1322, second connection end 1323 and the second opening 1324, third leading-out terminal 1321 and the 4th leading-out terminal
1322 are parallel in the side in second segment portion 132, second connection end 1323 in the other side in second segment portion 132, second segment portion 132
First segment portion 131, and second connection end 1323 at least partly with the company of being formed that is at least partly connected of the first connecting pin 1312
Socket part 133；Primary side winding 12 is located between the first segment portion 131 and second segment portion 132 of vice-side winding 13.
Wherein, the mode of its major heat conduction is that 12 heat of primary side winding largely passes to pair when transformer works
Side winding 13, vice-side winding 13 are again conducted heat to outside by the interconnecting piece of itself 133.
Further, first segment portion 131 and second segment portion 132 have the same or similar profile.
Still further, the first leading-out terminal 1311 is oppositely arranged with third leading-out terminal 1321, the second leading-out terminal 1312 and
Four leading-out terminals 1322 are oppositely arranged.
Further, in one embodiment, the first leading-out terminal 1311 and the second leading-out terminal 1312 constitute first coil
First external connection port, third leading-out terminal 1321 and the 4th leading-out terminal 1322 constitute the second external connection end of the second coil
Mouthful.First external connection port is connected with external circuit respectively with the second external connection port, and external circuit is not shown in figure.Tool
It says to body, in the present embodiment, is formed from the circulation path of first the 1311 to the second leading-out terminal of leading-out terminal 1312, electric current is from first
Leading-out terminal 1311 flows into, and the structure flowed out from the second leading-out terminal 1312, third leading-out terminal 1321 and the 4th leading-out terminal 1322 are electrically
Structure and effect after connection is identical with first leading-out terminal the 1311 to the second leading-out terminal 1312, therefore details are not described herein again.
Further, in another embodiment, the first leading-out terminal 1311 and the 4th leading-out terminal 1322 constitute first coil
Third external connection port, the second leading-out terminal 1312 constitutes the 4th external connection end of the second coil with third leading-out terminal 1321
Mouthful.Third external connection port is connected with external circuit respectively with the 4th external connection port, and external circuit is not shown in figure.It is former
The first coil or/and the second coil of side winding 12 and vice-side winding constitute quasi- Sanming City smelting structure, are effectively improved former secondary side with this
The coupling condition of winding reduces loss, improves power-efficient.Specifically, in the present embodiment, being formed from the first leading-out terminal
The circulation path of 1311 to the 4th leading-out terminal 1322, electric current are flowed into from the first leading-out terminal 1311, are flowed out from the 4th leading-out terminal 1322
Structure, thus constitute quasi- Sanming City smelting structure together with primary side winding 12 folded by centre, effectively enhance the coupling of former vice-side winding
It closes, relative to single stacked structure, can further improve power-efficient, the second leading-out terminal 1312 and third leading-out terminal 1321
The structure of the 4th external connection port formed and effect are identical to the 4th leading-out terminal 1322 with the first leading-out terminal 1311, therefore
This is just repeated no more.
Wherein, in the present embodiment, it is empty along Fig. 2 after vice-side winding 13 is formed by the metallic conduction piece integrated punching of monolithic
Line position is bent to form, and metallic conduction piece is copper metal piece, but the present invention is not limited thereto.
The explosive view of Fig. 1 to 2 and Fig. 5 to 6, Fig. 5 for transformer second embodiment of the present invention is please referred to again；Fig. 6 be Fig. 5 around
Group combination diagram.As shown in Fig. 1 to 2 and Fig. 5 to 6, transformer TX of the invention includes: two the first iron cores being oppositely arranged
11 and winding, winding includes an at least primary side winding 12 and an at least vice-side winding 13.Wherein each vice-side winding 13 includes the
There is the first leading-out terminal 1311, the second leading-out terminal 1312, first to connect for one section of portion 131 and second segment portion 132, first segment portion 131
End 1313 and the first opening 1314, the first leading-out terminal 1311 and the second leading-out terminal 1312 are in the side in first segment portion 131, and first
The other side of the connecting pin 1313 in first segment portion 131；Second segment portion 132 have third leading-out terminal 1321, the 4th leading-out terminal 1322,
Second connection end 1323 and the second opening 1324, third leading-out terminal 1321 and the 4th leading-out terminal 1322 are in second segment portion 132
Side, for second connection end 1323 in the other side in second segment portion 132, second segment portion 132 is parallel to first segment portion 131, and second
Connecting pin 1323 at least partly to form interconnecting piece 133 with being at least partly connected for the first connecting pin 1313；An at least primary side
Winding 12 is located between the first segment portion 131 and second segment portion 132 of an at least vice-side winding 13.Wherein, in the present embodiment
Heat conduction pattern is identical as previous embodiment, and details are not described herein.
Wherein, transformer TX further includes an at least bobbin winder bracket 14, and each primary side winding 12 includes that multiple coils are wound respectively
In the positioning region 141 in the wire casing of bobbin winder bracket 14, being provided with protrusion on bobbin winder bracket 14, the first opening 1314 and/or the when assembling
Two openings 1324 are accordingly sticked on positioning region 141.Wherein, in the present embodiment, exhausted by three layers with the coil of primary side winding
Edge line group becomes preferable embodiment, but the present invention is not limited thereto.
In the present embodiment, first segment portion 131 and second segment portion 132 can have the same or similar profile.
In the present embodiment, the first leading-out terminal 1311 is oppositely arranged with third leading-out terminal 1321, the second leading-out terminal 1312 with
4th leading-out terminal 1322 is oppositely arranged.
In the present embodiment, vice-side winding 13 by monolithic metallic conduction piece integrated punching molding after along Fig. 2 dotted line position
It sets and is bent to form, metallic conduction piece is copper metal piece, but the present invention is not limited thereto.
Further, in a preferred embodiment, transformer TX further includes insulating layer 134, and the setting of insulating layer 134 is the
Between one section of portion 131 and/or second segment portion 132 and the first iron core 11, the present invention is not carried out the position of insulating layer and quantity
Limitation.
Still further, each vice-side winding 13 further includes an at least extension 135, it is arranged and is connected to interconnecting piece 133
At least side；Wherein, in the present embodiment, interconnecting piece 133 and extension 135 are integrally formed part, but the present invention not with
This is limited.
Further, as shown in Figures 1 to 3, first segment portion 131, at least a primary side winding 12, second segment portion 132 is successively
Arrangement, in another embodiment, as shown in Figure 5 and Figure 6, transformer TX includes the first vice-side winding 13A, the second vice-side winding
13B, the first primary side winding 12A, the second primary side winding 12B and third primary side winding 12C, the first segment of the first vice-side winding 13A
Portion 131, the first primary side winding 12A, the second segment portion 132 of the first vice-side winding 13A, the second primary side winding 12B, the second secondary side around
The second segment portion 132 in the group first segment portion 131 of 13B, third primary side winding 13C and the second vice-side winding 13B is arranged successively, but this
Invention does not limit the setting sequence of winding.
In another embodiment of the invention, transformer TX includes the first vice-side winding 13A, the second vice-side winding 13B, the
One primary side winding 12A, the second primary side winding 12B and third primary side winding 12C, the first segment portion 131 of the first vice-side winding 13A,
First primary side winding 12A, the first segment portion 131 of the second vice-side winding 13B, the second primary side winding 12B, the first vice-side winding 13A
Second segment portion 132, third primary side winding 13C, the second vice-side winding 13B second segment portion 132 be arranged successively.
It should be noted that in the present embodiment, the first leading-out terminal 1311, the second leading-out terminal 1312, third leading-out terminal
1321 and the 4th leading-out terminal 1321 be respectively provided with lug boss T and lug boss T1, lug boss T and lug boss T1 have a height, convex
Portion T and lug boss T1 is played to be plugged on printed circuit board, by adjusting lug boss size to be suitable for different pcb boards
Thickness, or also can control interconnecting piece 133 at a distance from external heat sink.
Please refer to the structural schematic diagram that Fig. 7 to Fig. 8, Fig. 7 and Fig. 8 are vice-side winding second embodiment of the present invention.Fig. 7 and figure
The structure of vice-side winding shown in 8 is roughly the same with the structure of Fig. 1 and vice-side winding shown in Fig. 2, therefore same section is herein
It just repeats no more, is now described as follows different piece.In the present embodiment, the part of second connection end 1323 is connect with first
The part at end 1312 is connected to form interconnecting piece 133, and extension 135 is arranged and is connected to the side of interconnecting piece 133.Please refer to figure
9 and Figure 10, Fig. 9 are the explosive view of transformer TX 3rd embodiment of the present invention；Figure 10 is Fig. 9 winding combination schematic diagram.Fig. 9 and figure
The structure of transformer shown in 10 is roughly the same with the structure of Fig. 5 and transformer shown in fig. 6, therefore same section is herein just not
It repeats, is now described as follows different piece again.In the present embodiment, transformer TX includes the first vice-side winding 13A, and second is secondary
Side winding 13B, the first primary side winding 12A, the second primary side winding 12B and third primary side winding 12C, the first vice-side winding 13A's
First segment portion 131, the first primary side winding 12A, the first segment portion 131 of the second vice-side winding 13B, the second primary side winding 12B, first
The second segment portion 132 of vice-side winding 13A, third primary side winding 12C, the second segment portion 132 of the second vice-side winding 13B is successively arranged
Column.
It should be noted that in the present embodiment to use the structure of Fig. 7 and vice-side winding shown in Fig. 8 for preferably in fact
Mode is applied, but the present invention is not limited thereto.
Figure 11 is please referred to, Figure 11 is the explosive view of transformer fourth embodiment of the present invention.The knot of transformer shown in Figure 11
Structure is roughly the same with the structure of Fig. 5 and transformer shown in fig. 6, and the structure of transformer shown in Figure 11 can also be for such as Fig. 9 and figure
The structure of transformer shown in 10, therefore details are not described herein again for same section, is now described as follows different piece.In this reality
It applies in example, transformer TX further includes inductance 15, and inductance 15 includes the second iron core 151 and an at least inductor winding 152；Second iron core
151 are set to the side of at least one first iron core 11；At least an inductor winding 152 is set to the second iron core 151 and the first iron core
Between 11.
Figure 12 and Figure 13 is please referred to, Figure 12 is the magnetic part partial structure diagram of power module of the present invention；Figure 13 is Figure 12
A-A ' cross-sectional view.If the magnetic part part of Figure 12 and Figure 13, power module include: any one of cavity Q and previous embodiment
Transformer TX, transformer TX are set in cavity Q.
Further, the magnetic part part of power module further includes thermal paste, and thermal paste is set in cavity Q and at least partly
Coat transformer TX.
Further, the magnetic part part of power module further includes heat sink B, is set to the bottom and/or four of cavity Q
It week conducts to the heat of cavity Q and is transferred out by heat sink B.In the present embodiment, heat sink B is water-cooling plate, but this hair
It is bright to be not limited thereto.
Wherein, interconnecting piece 133 and thermal paste come into full contact with, and substantially reduce the thermal resistance between heater and refrigerant, simultaneously
The heat that the heat and part primary side winding that vice-side winding itself generates generate all is easily conducted to interconnecting piece 133 and extension
135, the internal temperature for shedding and reducing transformer coil for the heat that is highly advantageous to.In the present embodiment, heat conduction mainly has
Two paths, first successively conducts from inner ring to outer ring and contacts until with thermal paste for primary side winding, and the second paths are original
When the heat of winding internal layer passes to secondary by winding bobbin, the heat of conductive copper sheet or primary side winding internal layer passes to secondary side and leads
Electrolytic copper piece, secondary side conductive copper sheet pass through itself again and heat are transmitted to interconnecting piece 133 and extension 135 and is contacted with thermal paste,
Article 2 heat-transfer path will become main path.Therefore, the heat that either primary side winding or vice-side winding generate all may be used
Interconnecting piece 133 and extension 135 are transmitted to by certain heat-transfer path and enters thermal paste body, then are conducted by heat sink
Out.
In conclusion transformer and power module of the invention, it can be under certain power (or loss), heat dissipation is more held
Easily, temperature rise is lower, can suitably reduce volume, the weight of transformer, and then can be realized the volume for reducing power module, is convenient for
Realize the lightness of power module；Or under the premise of maintaining volume, weight constant, it can effectively promote the Power Processing of power supply
Ability；Quasi- Sanming City smelting structure can also be formed by external connection appropriate, enhances former secondary side coupling, reduces loss, improve electricity
Source efficiency.
It should be understood that above embodiments are only used to illustrate the present invention, and not limit skill described in the invention
Art scheme；Meanwhile invention is explained in detail although this specification is referring to above-described embodiment, this field
It is to be appreciated by one skilled in the art that still can modify to the present invention or equivalent replacement；Therefore, all do not depart from the present invention
Spirit and scope technical solution and its improvement, should all cover within the protection scope of appended claims of the present invention.
Claims (25)
1. a kind of transformer characterized by comprising
Two the first iron cores being oppositely arranged；
One primary side winding；And
One vice-side winding, comprising:
First segment portion has the first leading-out terminal, the second leading-out terminal, the first connecting pin and the first opening,
First leading-out terminal and second leading-out terminal are in the side in the first segment portion, and first connecting pin is described
The other side in one section of portion；
Second segment portion has third leading-out terminal, the 4th leading-out terminal, second connection end and the second opening, the third leading-out terminal
With the 4th leading-out terminal in the side in the second segment portion, the other side of the second connection end in the second segment portion, institute
State second segment portion and be parallel to the first segment portion, and the second connection end at least partly with first connecting pin at least
Part is connected to form interconnecting piece；
The primary side winding is at least partially disposed between the first segment portion of the vice-side winding and the second segment portion.
2. transformer as described in claim 1, which is characterized in that first leading-out terminal is opposite with the third leading-out terminal to be set
It sets, second leading-out terminal is oppositely arranged with the 4th leading-out terminal.
3. transformer as claimed in claim 2, which is characterized in that first leading-out terminal and second leading-out terminal constitute the
The second of first external connection port of one coil, the third leading-out terminal and the 4th leading-out terminal the second coil of composition is externally
Connectivity port, first external connection port and second external connection port are connect with an external circuit respectively.
4. transformer as claimed in claim 2, which is characterized in that first leading-out terminal and the 4th leading-out terminal constitute the
The third external connection port of one coil, second leading-out terminal and the third leading-out terminal constitute the second coil the 4th pair are complete
Connectivity port, third external connection port and the 4th external connection port are connect with an external circuit respectively.
5. a kind of transformer characterized by comprising
Two the first iron cores being oppositely arranged；
An at least primary side winding；And
An at least vice-side winding, comprising:
First segment portion has the first leading-out terminal, the second leading-out terminal, the first connecting pin and the first opening, first leading-out terminal
With second leading-out terminal in the side in the first segment portion, the other side of first connecting pin in the first segment portion；
Second segment portion has third leading-out terminal, the 4th leading-out terminal, second connection end and the second opening, the third leading-out terminal
With the 4th leading-out terminal in the side in the second segment portion, the other side of the second connection end in the second segment portion, institute
State second segment portion and be parallel to the first segment portion, and second connecting side in the second segment portion at least partly with the first segment
First connecting side in portion at least partly is connected to form interconnecting piece；
The first segment portion for being at least partially disposed at an at least vice-side winding of at least one primary side winding and described the
Between two sections of portions.
6. transformer as claimed in claim 5, which is characterized in that first leading-out terminal is opposite with the third leading-out terminal to be set
It sets, second leading-out terminal is oppositely arranged with the 4th leading-out terminal.
7. transformer as claimed in claim 6, which is characterized in that first leading-out terminal and second leading-out terminal constitute the
The second of first external connection port of one coil, the third leading-out terminal and the 4th leading-out terminal the second coil of composition is externally
Connectivity port, first external connection port and second external connection port are connect with an external circuit respectively.
8. transformer as claimed in claim 6, which is characterized in that first leading-out terminal and the 4th leading-out terminal constitute the
The 4th of the third external connection port of one coil, second leading-out terminal and the third leading-out terminal the second coil of composition is externally
Connectivity port, third external connection port and the 4th external connection port are connect with an external circuit respectively.
9. transformer as claimed in claim 5, which is characterized in that the vice-side winding is integrally rushed by the metallic conduction piece of monolithic
It is bent to form after molded.
10. transformer as claimed in claim 9, which is characterized in that the metallic conduction piece is copper metal piece.
11. the transformer as described in claim 5 or 8, which is characterized in that the vice-side winding further includes insulating layer, described exhausted
Edge layer is between the first segment portion and/or the second segment portion and first iron core.
12. the transformer as described in claim 5 or 8, which is characterized in that the vice-side winding further includes an at least extension,
It is arranged and is connected at least side of the interconnecting piece.
13. transformer as claimed in claim 12, which is characterized in that the interconnecting piece and the extension are integrally formed
Part.
14. transformer as claimed in claim 5, which is characterized in that the first segment portion, an at least primary side winding, institute
Second segment portion is stated to be arranged successively.
15. transformer as claimed in claim 5, which is characterized in that the transformer includes the first vice-side winding, the second secondary side
Winding, the first primary side winding, the second primary side winding and third primary side winding, the first segment portion of first vice-side winding,
First primary side winding, the second segment portion of first vice-side winding, second primary side winding, second vice-side winding
First segment portion, the second segment portion of the third primary side winding, second vice-side winding is arranged successively.
16. transformer as claimed in claim 5, which is characterized in that the transformer includes the first vice-side winding, the second secondary side
Winding, the first primary side winding, the second primary side winding and third primary side winding, the first segment portion of first vice-side winding,
First primary side winding, the first segment portion of second vice-side winding, second primary side winding, first vice-side winding
Second segment portion, the second segment portion of the third primary side winding, second vice-side winding is arranged successively.
17. transformer according to claim 5, which is characterized in that first leading-out terminal, second leading-out terminal, institute
Stating third leading-out terminal and the 4th leading-out terminal has lug boss, and the lug boss has a height.
18. transformer according to claim 5, which is characterized in that the transformer further includes an at least bobbin winder bracket, described
Primary side winding includes that multiple coils are wound in respectively in the wire casing of the bobbin winder bracket, and the positioning of protrusion is provided on the bobbin winder bracket
Portion, when assembling described in the first opening and/or second opening be accordingly sticked on the positioning region.
19. transformer according to claim 5, which is characterized in that the coil of the primary side winding is by three-layer insulated
Line composition.
20. transformer as claimed in claim 5, which is characterized in that further include inductance, the inductance includes:
Second iron core is set to the side of at least one first iron core；
An at least inductor winding is set between second iron core and first iron core.
21. a kind of power module, which is characterized in that including transformer described in any one of the claims 1-20.
22. power module as claimed in claim 21, which is characterized in that further include cavity, the transformer is set to described
In cavity.
23. power module as claimed in claim 22, which is characterized in that further include thermal paste, the thermal paste is set to institute
It states in cavity and at least partly coats the transformer.
24. power module as claimed in claim 22, which is characterized in that further include heat sink, be set to the cavity bottom
And/or surrounding, it conducts to the heat of the cavity and is transferred out by the heat sink.
25. power module as claimed in claim 24, which is characterized in that the heat sink is water-cooling plate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910022777.0A CN109524219B (en) | 2019-01-10 | 2019-01-10 | Transformer and power module with same |
| US16/729,513 US11581118B2 (en) | 2017-06-08 | 2019-12-30 | Transformer and power supply module with high thermal efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910022777.0A CN109524219B (en) | 2019-01-10 | 2019-01-10 | Transformer and power module with same |
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| Publication Number | Publication Date |
|---|---|
| CN109524219A true CN109524219A (en) | 2019-03-26 |
| CN109524219B CN109524219B (en) | 2021-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910022777.0A Active CN109524219B (en) | 2017-06-08 | 2019-01-10 | Transformer and power module with same |
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| Country | Link |
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| CN (1) | CN109524219B (en) |
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| EP1722381A1 (en) * | 2004-01-30 | 2006-11-15 | TDK Corporation | Coil and bobbin for coil |
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| Publication number | Publication date |
|---|---|
| CN109524219B (en) | 2021-08-20 |
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