CN110085400A - A kind of resonance transformer - Google Patents
A kind of resonance transformer Download PDFInfo
- Publication number
- CN110085400A CN110085400A CN201910458259.3A CN201910458259A CN110085400A CN 110085400 A CN110085400 A CN 110085400A CN 201910458259 A CN201910458259 A CN 201910458259A CN 110085400 A CN110085400 A CN 110085400A
- Authority
- CN
- China
- Prior art keywords
- winding
- iron core
- coil holder
- side coil
- resonance transformer
- 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
- H01F27/2847—Sheets; Strips
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—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
Abstract
The invention discloses a kind of resonance transformer, including first winding, secondary winding and winding iron core to the fixation first winding and the secondary winding；The winding iron core has the first iron core column to the fixation first winding and the second iron core column to the fixation secondary winding；The secondary winding includes the secondary side coil holder to coiling auxiliary winding and is wound in second iron core column, the sheet metal to serve as secondary winding coil, and the secondary side coil holder is sheathed on second iron core column.Resonance transformer provided by the present invention, volume is relatively small, and output power density and current density are higher, and perfect heat-dissipating.
Description
Technical field
The present invention relates to transformer technology field, in particular to a kind of resonance transformer.
Background technique
Common LLC resonant mode magnetic integrated transformer, due to being by first winding and secondary winding while to twine when practical application
The different location being wound in single coil holder (winding base), other than coiling, interspersed insulation casing and tie lines etc. must all expend phase
Work as manpower, therefore causes the increase in manpower and working hour；Meanwhile first and second side winding being arranged on same coil holder, it be easy to cause
Safety distance is insufficient, and the disadvantages such as leakage inductance consistency difference, results in the need for increasing additional inductance to serve as resonant inductance.When output electricity
When flowing larger, multi cord coiling secondary side winding can be used, but excessively cause outlet, wiring difficult because of enamel-cover strand count, and
Gap can be generated between each conducting wire (enameled wire), cause the volume of winding or even transformer can not reduce and transformer dissipate
Hot property is poor.
Therefore, how to optimize the structure of resonance transformer, reduce resonance transformer volume, improve its heat dissipation performance at
For those skilled in the art's technical issues that need to address.
Summary of the invention
The object of the present invention is to provide a kind of resonance transformers, and the transformer overall volume is smaller, output power density
It is high with output current density, and good heat dispersion performance.
To achieve the above object, the present invention provides a kind of resonance transformer, including first winding, secondary winding and to
The winding iron core of the fixed first winding and the secondary winding；
The winding iron core have to the fixation first winding the first iron core column and to fixation it is described it is secondary around
Second iron core column of group；
The secondary winding includes the secondary side coil holder to coiling auxiliary winding and is wound in second iron core column, uses
To serve as the sheet metal of secondary winding coil, the secondary side coil holder is sheathed on second iron core column.
Optionally, the sheet metal includes the ring part to wind second iron core column, further includes the relatively described ring
The both ends turnover extension in shape portion, the current output terminal to export electric current.
Optionally, the sheet metal is copper sheet.
Optionally, the first winding includes primary winding coils and the primary side to primary winding coils described in coiling
Coil holder, the primary side coil holder are sheathed on first iron core column.
Optionally, the primary side coil holder including an a pair of side baffle relatively disposed in parallel and is set to a pair described one
Primary side partition between secondary side baffle；
The primary side partition and a pair of side baffle form two to primary winding coils described in coiling
Primary side coil holder slot further includes the primary side connecting terminal set on primary side coil holder bottom.
Optionally, the isolation cover the two is isolated is additionally provided between the first winding and the secondary winding.
Optionally, the isolation cover is in indentations, and the indent of the isolation cover has to slide described in clamping a pair
The side edgefold of side baffle.
Optionally, the secondary winding further includes the secondary side coil holder frame to be arranged the secondary side coil holder；
The secondary side coil holder frame have be oppositely arranged, the secondary side baffle to accommodate the secondary side coil holder, also wrap
It includes and is set to the secondary side coil holder frame bottom and the secondary side connecting terminal to connect auxiliary winding.
Optionally, the secondary side wire frame is in indentations, and the recess of the secondary side coil holder frame and the isolation cover
Recess is backwards to setting.
Optionally, the winding iron core includes being oppositely arranged iron core upper prop and iron core lower prop, the iron core upper prop and described
Iron core lower prop includes two iron core columns that iron core base and the vertical iron core base extend, under the iron core upper prop and the iron core
The iron core column of column is mutually butted to form first iron core column and second iron core column.
Relative to above-mentioned background technique, resonance transformer provided by the present invention includes winding iron core and is fixed on winding
The first winding and secondary winding of iron core, and first winding and secondary winding be separately fixed at winding iron core the first iron core column and
In second iron core column, secondary winding include for coiling auxiliary winding secondary side coil holder and be wound on the second iron core column be used to fill
When the sheet metal of secondary winding coil.The leakage inductance of auxiliary winding serves as resonant inductance, by using sheet metal as secondary winding
Coil substitutes traditional enameled wire winding coil, reduces the spacing in winding coil between each conducting wire, reduces secondary winding line
The height of circle, so that resonance transformer be made integrally to be in platypelloid type, volume reduces, and flat shape makes secondary winding coil
Cross-sectional area becomes larger, and is more advantageous to resonance transformer heat dissipation.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the overall structure figure of resonance transformer provided by the embodiment of the present invention；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the C-C cross-sectional view of Fig. 2；
Fig. 4 is the front view of Fig. 1；
Fig. 5 is the B-B cross-sectional view of Fig. 4；
Fig. 6 is the explosive view of Fig. 1.
Wherein:
1- iron core upper prop, 2- iron core lower prop, 3- primary side coil holder, side baffle of 31-, 32- primary side partition, 33- mono-
Secondary side terminal, 4- primary winding coils, 5- isolation cover, 51- side edgefold, 6- secondary side coil holder, 7- sheet metal, 71- electric current
Output terminal, 8- secondary side coil holder frame, bis- side baffles of 81-, 82- secondary side connecting terminal.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In order to make those skilled in the art more fully understand the present invention program, with reference to the accompanying drawing and it is embodied
The present invention is described in further detail for mode.
Fig. 1 to Fig. 6 is please referred to, Fig. 1 is the overall structure figure of resonance transformer provided by the embodiment of the present invention；Fig. 2
For the top view of Fig. 1；Fig. 3 is the C-C cross-sectional view of Fig. 2；Fig. 4 is the front view of Fig. 1；Fig. 5 is the B-B cross-sectional view of Fig. 4；Fig. 6 is
The explosive view of Fig. 1.
Resonance transformer provided by the present invention includes first winding, secondary winding and winding iron core, first winding and
Secondary winding is wound on respectively in the first iron core column and the second iron core column of winding iron core；Secondary winding includes being used to coiling to assist
The secondary side coil holder 6 of winding and for serving as secondary winding coil metal piece 7, sheet metal 7 is wound in the second iron core column and gold
The length direction for belonging to vertical second iron core column of width direction of piece 7, serves as secondary winding coil, passes through with primary winding coils 4
Mutual inductance output services electric current, auxiliary winding are then used to serve as resonant inductance.Secondary winding replaces enameled wire to serve as using sheet metal 7
Secondary winding coil reduces the spacing between conducting wire (enameled wire of secondary winding), drops the highly significant of secondary winding coil
It is low, so that the height and volume of transformer are reduced, so that resonance transformer is in platypelloid type on the whole, secondary winding coil
Cross-sectional area becomes larger, and heat dissipation performance is good, and the heat dissipation effect for multiturn enameled wire of sheet metal 7 is more preferable.
More detailed Jie is carried out to resonance transformer provided by the present invention in the following with reference to the drawings and specific embodiments
It continues.
Fig. 1 and Fig. 6 are please referred to, in a kind of specific embodiment provided by the present invention, platypelloid type resonance transformer includes
First winding, secondary winding and winding iron core；Winding iron core is spliced by iron core upper prop 1 and iron core lower prop 2, iron core upper prop 1
With almost symmetry in 2 structure of iron core lower prop, the two includes two iron core columns that iron core base and vertical iron core base extend, and iron core
The iron core column dimension of upper prop 1 and iron core lower prop 2 is mutually matched, and the spacing of the iron core column of the two is identical, in order to mutually splice
It is formed and is used to fix the first iron core column of first winding and for fixing the second iron core column of secondary winding.
First winding includes primary side coil holder 3 and primary winding coils 4, and primary winding coils 4 are wound on primary side coil holder 3
On, primary side coil holder 3 is then set in the first iron core column, by the way that iron core upper prop 1 and iron core lower prop 2 to be separated from each other or splice
First winding is safeguarded with can be convenient.Further, the structure of primary side coil holder 3 can be as shown in Figure 1, include opposite
Side-lens of a pair of setting, is additionally provided with primary side partition 32 between an a pair of side-lens, a side-lens and primary
Two primary side coil holder slots for being used to the fixed primary winding coils 4 of coiling, the bottom of primary side coil holder 3 are formed between side partition 32
Equipped with the primary side connecting terminal 33 for being used to connect first side winding coil 4.In other words, pass through a side-lens and primary side
Partition 32 is arranged alternately the primary side coil holder slot to be formed for accommodating primary winding coils 4, above simply by specific implementation
Mode illustrates the setting form of first winding, but should not be understood as the specific restriction to first winding structure, a side-lens or
The quantity of primary side partition 32 can according to need adjustment namely the quantity of primary side coil holder slot can be according to primary winding coils
4 needs are specifically arranged.
Secondary winding then includes the secondary side coil holder 6 being set in the second iron core column, and secondary side coil holder 6 is used to wind auxiliary
Winding；Second iron core column is also wound with the sheet metal 7 for serving as secondary side winding coil, changes as one core of the present invention
Into point, the second iron core column, sheet metal 7 and 4 mutual inductance of primary winding coils are wound using sheet metal 7, voltage transformation is generated and exports
Operating current.Sheet metal 7 wind the second iron core column structure can refer to Fig. 6, it should be noted that metal shown in Fig. 6 around
Mode processed is only a kind of explanation of principle, and does not mean that sheet metal 7 only enclose by the second iron core column of coiling one, and sheet metal 7 can be with
Coiling the second iron core column multi-turn determines, sheet metal 7 is set between layers according to the no-load voltage ratio of resonance transformer and actual demand
Set insulation；Sheet metal 7 preferably uses copper sheet, and the electric conductivity and heat dissipation performance of copper sheet are preferable.Sheet metal 7 includes being wound on the
The ring part of two iron core columns further includes the current output terminal 71 of extension of transferring downwards along the both ends of ring part, current output terminal
Son 71 can connect circuit board or the outside output services electric current of conducting wire.
Sheet metal 7 can be to be multiple, and multiple sheet metals 7 are separately positioned on above or below secondary side coil holder 6, Huo Zheguan
It is symmetrical arranged in about 6 two sides of secondary side coil holder.In order to guarantee the insulation effect between first winding and secondary winding, prevent from sending out
Raw punch-through, is additionally provided with the isolation cover 5 for the two is isolated between first winding and secondary winding, pass through and isolation cover 5 is arranged
Guarantee that the insulation distance between first winding and secondary winding is greater than 6mm, guarantees resonance transformer operational safety.Isolation channel is in
Indentations, the recess of isolation channel are used to be sheathed on primary side coil holder 3.It is used to slide furthermore, it is understood that the indent of isolation channel has
The side edgefold 51 of the above-mentioned a pair of side baffle 31 of clamping is moved, corresponding sliding slot is then equipped on a side baffle 31, by side
Sliding rail is set on flanging 51, so that sliding rail and sliding slot is generated cooperation, isolation channel is set in a side baffle 31 of primary side coil holder 3
On, formation is dielectrically separated from first winding and secondary winding.
As another core of the invention, by the setting of isolation cover 5, it is effectively controlled primary side coil holder 3 and secondary
The distance between side line frame 6 controls the characteristics such as the leakage inductance of resonance transformer；And replace enamel-cover line charge by using sheet metal 7
When secondary winding coil, the cross-sectional area of secondary winding is expanded, improves the heat dissipation performance of transformer.
In another preferred embodiment provided by the present invention, secondary winding further includes being set in outside secondary side coil holder 6
The secondary side coil holder frame 8 in week, secondary side coil holder frame 8 have the secondary side baffle 81 of a pair of opposing, a pair of secondary side baffle
81 are used to be clamped receiving secondary side coil holder 6, are additionally provided with secondary side connecting terminal 82, secondary side in the bottom of secondary side coil holder frame 8
Connecting terminal 82 connects auxiliary winding again.
Secondary side coil holder frame 8 is also in indentations, facilitates secondary side coil holder 6 being fixed to secondary side coil holder by recess slide-in
In the recess of frame 8, for the recess of secondary side coil holder frame 8 and isolation cover 5 backwards to being arranged, secondary side coil holder frame 8 provides not only auxiliary
The connecting terminal of winding, and being dielectrically separated from for first winding and secondary winding is further ensured, while also acting as and fixing two
The effect of secondary side line frame 6.Fig. 2 to Fig. 5 is combined by the cross-sectional view of different directions with explosive view, clearly illustrates resonance
The assembly relation of formula transformer.
Resonant mode provided by the present invention serves as secondary winding coil by using sheet metal 7, keeps resonance transformer whole
Body is in flat, and the cross-sectional area of secondary winding coil increases, and heat dissipation performance is good, and the setting of isolation cover 5 then effectively controls
The insulation distance of first winding and secondary winding ensures the operational safety of resonance transformer.
It should be noted that in the present specification, such as first and second etc relational terms are used merely to one
Entity is distinguished with other several entities, and without necessarily requiring or implying between these entities, there are any this actual
Relationship or sequence.
Resonance transformer provided by the present invention is described in detail above.Specific case pair used herein
The principle of the present invention and embodiment are expounded, method of the invention that the above embodiments are only used to help understand
And its core concept.It should be pointed out that for those skilled in the art, before not departing from the principle of the invention
It puts, can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the guarantor of the claims in the present invention
It protects in range.
Claims (10)
1. a kind of resonance transformer, which is characterized in that including first winding, secondary winding and to the fixation first winding
With the winding iron core of the secondary winding；
The winding iron core has to the first iron core column of the fixation first winding and to the fixation secondary winding
Second iron core column；
The secondary winding includes the secondary side coil holder (6) to coiling auxiliary winding and is wound in second iron core column, uses
To serve as the sheet metal (7) of secondary winding coil, the secondary side coil holder (6) is sheathed on second iron core column.
2. resonance transformer according to claim 1, which is characterized in that the sheet metal (7) includes to wind
The ring part for stating the second iron core column, further include the relatively described ring part both ends turnover extend, the electric current to export electric current it is defeated
Terminal (71) out.
3. resonance transformer according to claim 2, which is characterized in that the sheet metal (7) is copper sheet.
4. resonance transformer according to claim 2, which is characterized in that the first winding includes primary winding coils
(4) and to primary winding coils described in coiling (4) primary side coil holder (3), the primary side coil holder (3) is sheathed on described
One iron core column.
5. resonance transformer according to claim 4, which is characterized in that the primary side coil holder (3) includes relatively flat
Side baffle (31) of a pair of row setting and the primary side partition (32) being set between a pair of side baffle (31)；
The primary side partition (32) and a pair of side baffle (31) form two to first winding line described in coiling
The primary side coil holder slot for enclosing (4) further includes the primary side connecting terminal (33) set on primary side coil holder (3) bottom.
6. resonance transformer according to claim 5, which is characterized in that the first winding and the secondary winding it
Between be additionally provided with isolation cover (5) both to be isolated.
7. resonance transformer according to claim 6, which is characterized in that the isolation cover (5) be in indentations, it is described every
Indent from cover (5) has the side edgefold (51) to slide a pair of side baffle (31) of clamping.
8. resonance transformer according to claim 7, which is characterized in that the secondary winding further includes to be arranged
State the secondary side coil holder frame (8) of secondary side coil holder (6)；
The secondary side coil holder frame (8) have be oppositely arranged, the secondary side baffle to accommodate the secondary side coil holder (6)
It (81), further include being set to the secondary side coil holder frame (8) bottom and the secondary side connecting terminal (82) to connect auxiliary winding.
9. resonance transformer according to claim 8, which is characterized in that the secondary side wire frame is in indentations, and institute
The recess of secondary side coil holder frame (8) and the recess of the isolation cover (5) are stated backwards to setting.
10. resonance transformer according to claim 9, which is characterized in that the winding iron core includes being oppositely arranged iron
Core upper prop (1) and iron core lower prop (2), the iron core upper prop (1) and the iron core lower prop (2) are including iron core base and vertically described
Two iron core columns that iron core base extends, the iron core column of the iron core upper prop (1) and the iron core lower prop (2) be mutually butted with
Form first iron core column and second iron core column.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910458259.3A CN110085400A (en) | 2019-05-29 | 2019-05-29 | A kind of resonance transformer |
| CN201911006224.2A CN110534316A (en) | 2019-05-29 | 2019-10-22 | A kind of resonance transformer |
| CN201921785662.9U CN210378713U (en) | 2019-05-29 | 2019-10-22 | Resonant transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910458259.3A CN110085400A (en) | 2019-05-29 | 2019-05-29 | A kind of resonance transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110085400A true CN110085400A (en) | 2019-08-02 |
Family
ID=67422509
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910458259.3A Withdrawn CN110085400A (en) | 2019-05-29 | 2019-05-29 | A kind of resonance transformer |
| CN201911006224.2A Pending CN110534316A (en) | 2019-05-29 | 2019-10-22 | A kind of resonance transformer |
| CN201921785662.9U Active CN210378713U (en) | 2019-05-29 | 2019-10-22 | Resonant transformer |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911006224.2A Pending CN110534316A (en) | 2019-05-29 | 2019-10-22 | A kind of resonance transformer |
| CN201921785662.9U Active CN210378713U (en) | 2019-05-29 | 2019-10-22 | Resonant transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN110085400A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110085400A (en) * | 2019-05-29 | 2019-08-02 | 杭州中恒派威电源有限公司 | A kind of resonance transformer |
| CN112420357B (en) * | 2020-10-26 | 2022-08-16 | 东莞市优琥电子科技有限公司 | Integrated transformer and electrical equipment |
| CN113345697A (en) * | 2021-06-07 | 2021-09-03 | 合肥市菲力克斯电子科技有限公司 | Ultrathin electronic transformer for LED television |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105761905B (en) * | 2016-01-30 | 2018-01-09 | 明纬(广州)电子有限公司 | Resonant mode high current density transformer |
| TWI581280B (en) * | 2016-08-24 | 2017-05-01 | Yujing Technology Co Ltd | Improved Structure of Resonant High Current Density Transformer |
| CN110085400A (en) * | 2019-05-29 | 2019-08-02 | 杭州中恒派威电源有限公司 | A kind of resonance transformer |
-
2019
- 2019-05-29 CN CN201910458259.3A patent/CN110085400A/en not_active Withdrawn
- 2019-10-22 CN CN201911006224.2A patent/CN110534316A/en active Pending
- 2019-10-22 CN CN201921785662.9U patent/CN210378713U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110534316A (en) | 2019-12-03 |
| CN210378713U (en) | 2020-04-21 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190802 |
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| WW01 | Invention patent application withdrawn after publication |