CN107705959A - A kind of transformer - Google Patents
A kind of transformer Download PDFInfo
- Publication number
- CN107705959A CN107705959A CN201711094789.1A CN201711094789A CN107705959A CN 107705959 A CN107705959 A CN 107705959A CN 201711094789 A CN201711094789 A CN 201711094789A CN 107705959 A CN107705959 A CN 107705959A
- Authority
- CN
- China
- Prior art keywords
- metal part
- heat radiating
- radiating metal
- iron core
- coil portion
- 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.)
- Pending
Links
- 239000002184 metal Substances 0.000 claims abstract description 61
- 229910052751 metal Inorganic materials 0.000 claims abstract description 61
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000009413 insulation Methods 0.000 claims abstract description 28
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052802 copper Inorganic materials 0.000 claims abstract description 6
- 239000010949 copper Substances 0.000 claims abstract description 6
- 239000012212 insulator Substances 0.000 claims description 9
- 125000006850 spacer group Chemical group 0.000 claims description 9
- 230000004888 barrier function Effects 0.000 claims description 5
- 238000004804 winding Methods 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 9
- 230000008859 change Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VEMKTZHHVJILDY-UHFFFAOYSA-N resmethrin Chemical compound CC1(C)C(C=C(C)C)C1C(=O)OCC1=COC(CC=2C=CC=CC=2)=C1 VEMKTZHHVJILDY-UHFFFAOYSA-N 0.000 description 2
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/22—Cooling by heat conduction through solid or powdered fillings
-
- 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
- H01F27/085—Cooling by ambient air
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2876—Cooling
Abstract
The invention discloses a kind of transformer, including insulation framework and iron core；Through hole is provided with the insulation framework；The iron core is fixed in the through hole；The iron core is in shaft-like, and the both ends of the iron core include primary coil section and secondary coil portion respectively；Coil is respectively provided with the primary coil section and the secondary coil portion；Heat radiating metal part is provided with the primary coil section or/and the secondary coil portion；Plane where the heat radiating metal part is vertical with the iron core.Heat radiating metal part is provided with transformer, transformer heat-sinking capability is improved with this.Existing copper cash winding is replaced by the heat radiating metal part vertically set with iron core, the radiating efficiency of transformer can be improved, increase the area of dissipation of transformer.
Description
Technical field
The present invention relates to electric field, more particularly to a kind of transformer.
Background technology
Transformer electrical equipment important in power system, it is to utilize electromagnetic induction principle transmission electric energy or electric signal
Device, it has the function that transformation, unsteady flow and impedance.
Transformer at work can caused by heat, if can not timely and effectively to transformer carry out cooling, meeting
Strong influence is caused to its performance and life-span, or even can also trigger security incident because of overheat.
But existing transformer radiating effect is poor.
The content of the invention
The defects of it is an object of the invention to overcome prior art, there is provided a kind of transformer, to solve in the prior art
The problem of.
In order to solve the above problems, the invention provides：A kind of transformer, including insulation framework and iron core；
Through hole is provided with the insulation framework；
The iron core is fixed in the through hole；
The iron core is in shaft-like, and the both ends of the iron core include primary coil section and secondary coil portion respectively；
Coil is respectively provided with the primary coil section and the secondary coil portion；
Heat radiating metal part is provided with the primary coil section or/and the secondary coil portion；
Plane where the heat radiating metal part is vertical with the iron core.
As the further improvement of above-mentioned technical proposal, the heat radiating metal part is in piece shape；
The middle bent of the heat radiating metal part is enclosed on the iron core, meanwhile, the both ends of the heat radiating metal part are stretched out
Outside the through hole.
As the further improvement of above-mentioned technical proposal, the heat radiating metal part includes copper sheet.
As the further improvement of above-mentioned technical proposal, the both sides of the heat radiating metal part are provided with insulator spacer.
As the further improvement of above-mentioned technical proposal, the insulator spacer includes cable strap.
As the further improvement of above-mentioned technical proposal, the coil in the primary coil section and the secondary coil portion is equal
It is provided with insulating tape.
As the further improvement of above-mentioned technical proposal, it is provided between the primary coil section and the secondary coil portion
Insulating barrier.
As the further improvement of above-mentioned technical proposal, the corresponding primary coil section is provided with the insulation framework
First pin fixed mount, and the second pin fixed mount in the corresponding secondary coil portion；
Pin is provided with the first pin fixed mount and the second pin fixed mount.
As the further improvement of above-mentioned technical proposal, the first pin fixed mount is put down with the second pin fixed mount
Row is set.
As the further improvement of above-mentioned technical proposal, the first pin fixed mount be fixed on the primary coil section with
Between the insulation framework；
The second pin fixed mount is fixed between the secondary coil portion and the insulation framework.
The beneficial effects of the invention are as follows：The present invention proposes a kind of transformer, in primary coil section or/and secondary coil portion
Heat radiating metal part is provided with, because the thermal conductivity of metal is high, so heat radiating metal part can be with warm caused by fast endothermic transformer
Measure and radiated, and utilize the high heat conduction characteristic of metal, the exposed metal conduction of Btu utilization to outside is radiated,
Increase the area of dissipation of transformer, improve transformer heat-sinking capability and radiating efficiency.
Meanwhile the plane where heat radiating metal part is vertical with iron core, this causes heat radiating metal part not take too many through hole
Area, so as to facilitate the air in through hole to be circulated, to reach preferably radiating effect.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached
Figure is briefly described.It should be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore it is not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is a kind of schematic diagram of transformer in the embodiment of the present invention；
Fig. 2 is the front view of transformer in Fig. 1；
Fig. 3 is the top view of transformer in Fig. 1；
Fig. 4 is the schematic diagram of insulation framework in the embodiment of the present invention 2.
Main element symbol description：
100- insulation frameworks；110- skeleton components；200- iron cores；210- primary coil sections；220- secondary coils portion；221-
Heat radiating metal part；222- insulator spacers；230- insulating barriers；310- the first pin fixed mounts；320- second pin fixed mounts.
Embodiment
Hereinafter, various embodiments of the present invention will be described more fully.The present invention can have various embodiments, and
It can adjust and change wherein.It should be understood, however, that：It is limited to spy disclosed herein in the absence of by various embodiments of the present invention
Determine the intention of embodiment, but should invention is construed as covering falling into the spirit and scope of various embodiments of the present invention
All adjustment, equivalent and/or alternatives.
Hereinafter, disclosed in the term " comprising " that can be used in various embodiments of the present invention or " may include " instruction
Function, operation or the presence of element, and do not limit the increase of one or more functions, operation or element.In addition, such as exist
Used in various embodiments of the present invention, term " comprising ", " having " and its cognate are meant only to represent special characteristic, number
Word, step, operation, the combination of element, component or foregoing item, and be understood not to exclude first one or more other
Feature, numeral, step, operation, element, component or foregoing item combination presence or one or more features of increase, numeral,
Step, operation, element, component or foregoing item combination possibility.
In various embodiments of the present invention, " A or/and B " include any combinations or the institute of the word listed file names with for statement
There is combination, such as, it may include A, it may include B or may include A and B both.
The statement (" first ", " second " etc.) used in various embodiments of the present invention can be modified in various implementations
Various element in example, but respective sets can not be limited into element.For example, presented above be not intended to limit the suitable of the element
Sequence and/or importance.The purpose presented above for being only used for differentiating an element and other elements.For example, the first user fills
Put and indicate different user device with second user device, although the two is all user's set.For example, each of the present invention is not being departed from
In the case of the scope of kind embodiment, the first element is referred to alternatively as the second element, and similarly, the second element is also referred to as first
Element.
It should be noted that：In the present invention, unless otherwise clear and definite regulation and definition, the art such as " installation ", " connection ", " fixation "
Language should be interpreted broadly, for example, it may be being fixedly connected, can also be detachably connected or be integrally connected；It can be machine
Tool connects or electrical connection；Can be directly connected to, and can be indirectly connected by intermediary；It can be two
The connection of element internal.For the ordinary skill in the art, above-mentioned term can be understood at this as the case may be
Concrete meaning in invention.
In the present invention, one of ordinary skill in the art is it is to be appreciated that indicating position or position relationship in text
Term be based on orientation shown in the drawings or position relationship, be for only for ease of the description present invention and simplify description, without
It is instruction or implies signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore
It is not considered as limiting the invention.
The term used in various embodiments of the present invention is only used for describing the purpose of specific embodiment and not anticipated
In limitation various embodiments of the present invention.Unless otherwise defined, be otherwise used herein all terms (including technical term and
Scientific terminology) there is the implication identical being generally understood that with various embodiments of the present invention one skilled in the art to contain
Justice.The term (term such as limited in the dictionary typically used) be to be interpreted as have with correlative technology field
Situational meaning identical implication and the implication with Utopian implication or overly formal will be not construed as, unless at this
It is clearly defined in the various embodiments of invention.
Embodiment 1
Refering to Fig. 1, in the present embodiment, a kind of transformer, including insulation framework 100 and iron core 200 are proposed, wherein, absolutely
Edge skeleton 100 is fixedly connected with iron core 200.
Through hole is provided with insulation framework 100, iron core 200 is fixed in through hole.
Iron core 200 is in shaft-like, including the primary coil section 210 positioned at both ends and secondary coil portion 220, in primary coil section
210 and secondary coil portion 220 on be provided with coil.
The relation of primary coil section 210 and the number of turn of the coil in secondary coil portion 220 can be configured as needed：
When needing boosting, the number of turn of the coil of primary coil section 210 is less than the number of turn with the coil in secondary coil portion 220；Need to drop
During pressure, the number of turn of the coil of primary coil section 210 is more than the number of turn with the coil in secondary coil portion 220.
Coil in primary coil section 210 is electrically connected with the input of transformer, and the coil in secondary coil portion 220 is electrical
Connect the output end of transformer.When transformer access circuit work, due to the electric current in the coil loop of primary coil section 210
Change, according to electromagnetic induction principle so that the magnetic flux in the coil loop of secondary coil portion 220 changes, so as to produce
Raw induced-current and induced electromotive force.Voltage and current through transformer conversion is supplied in electrical appliance by output end and used.
In the present embodiment, to improve radiating efficiency, heat radiating metal part 221 can be provided with secondary coil portion 220.
The thermal conductivity of metal is high, so heat radiating metal part 221 can improve transformer radiating with fast endothermic and radiating with this
Ability.The radiating efficiency of transformer can be improved by heat radiating metal part 221, and increases the area of dissipation of transformer.
In the present embodiment, heat radiating metal part 221 can be made using copper material, and the thermal conductivity and conductance of copper are all very excellent
It is good.In other specific embodiments, other materials can also be selected to be manufactured as needed.
In other specific embodiments, heat radiating metal part 221 can also be provided with primary coil section 210.In order to carry
High cooling efficiency, heat radiating metal part 221 can also be provided with simultaneously in primary coil section 210 and secondary coil portion 220.
As shown in figure 3, when installing heat radiating metal part 221, the plane where heat radiating metal part 221 is vertical with iron core 200,
This also causes heat radiating metal part not take the area of too many through hole, so as to facilitate the air in through hole to be circulated, to reach
Preferably radiating effect.Meanwhile such mode also make it that greater number of heat radiating metal part can be installed on transformer.
Heat radiating metal part 221 can be set in piece shape.The surface area ratio of piece shape is larger, and this makes its contact area with air
It is bigger, so as to preferably radiating effect.In the present embodiment, heat radiating metal part 221 can use copper sheet.
Wherein, the middle bent of heat radiating metal part 221 is enclosed on iron core 200, meanwhile, the both ends of heat radiating metal part 221 are stretched
Go out outside through hole.In the present embodiment, heat radiating metal part 221 can be arranged to U-shaped.The maximum radiating surface of heat radiating metal part 221
It is vertical with iron core 200.
Transformer can produce substantial amounts of heat at work, more efficiently to be radiated, can set on the transformer
Fan.Fan can be located at the surface of through hole, using fan so that the radiating efficiency of heat radiating metal part 221 is higher.
Heat radiating metal part 221 can be fixed using black insulating cement.
When setting heat radiating metal part 221 in secondary coil portion 220, heat radiating metal part 221 in secondary coil portion 220
Quantity can be identical with the number of coils wound in secondary coil portion 220.In the present embodiment, can be with secondary coil portion 220
1 group or 2 groups of coils are wound with, corresponding, heat radiating metal part 221 is correspondingly arranged on 12 in secondary coil portion 220.
When being provided with heat radiating metal part 221 in primary coil section 210, heat radiating metal part 221 in primary coil section 210
Quantity can be identical with the number of coils wound in primary coil section 210.
Coil is all to have certain resistance, bigger by the electric current of coil, and caused heat can be higher on coil, and this causes
Easily there is situation about fusing in coil, and causes security incident.
In the present embodiment, the both ends of heat radiating metal part 221 can be in parallel with the leading-out terminal of corresponding coil.Heat radiating metal part
221 with the portion of electrical current of shunt coil, can reduce the burden of coil, and this has both protected coil, while can also play radiating drop
The purpose of temperature.
As shown in figure 3, to prevent the contact with each other interference for causing electric current or safe thing occur between heat radiating metal part 221
Therefore while make to keep certain spacing between adjacent heat radiating metal part 221, be provided with the both sides of heat radiating metal part 221
Insulator spacer 222.Heat radiating metal part 221 is arranged at intervals with insulator spacer 222, and insulator spacer 222 lies in corresponding first
On level coil portion 210 or secondary coil portion 220.
Wherein, insulator spacer 222 can use cable strap.In other specific embodiments, insulator spacer 222 may be used also
To be selected as needed.
Coil in primary coil section and secondary coil portion is provided with insulating tape.
In the present embodiment, after the coil of primary coil section 210 is completely wound in primary coil section 210, in the coil
Superscribe insulating tape；After the coil in secondary coil portion 220 is completely wound in secondary coil portion 220, superscribed in the coil
Insulating tape.Insulating tape has the function that insulation, can prevent crossfire, electric shock etc..
In view of factors such as safety, insulating barrier can be provided between primary coil section 210 and secondary coil portion 220
230, to prevent the electric current in primary coil section 210 from the situation of crossfire occur with the battery in secondary coil portion 220, so as to avoid
The generation of security incident.
Wherein, insulating barrier 230 can use the insulating materials such as plastics to be made.
Embodiment 2
In the present embodiment, a kind of transformer, including insulation framework 100 and iron core 200 are proposed, wherein, insulation framework 100
It is fixedly connected with iron core 200.
Through hole is provided with insulation framework 100.
As shown in figure 4, in the present embodiment, insulation framework 100 includes that two structures are identical and symmetrically arranged skeleton group
Part 110, wherein, skeleton component 110 is in concave.
Iron core 200 is in shaft-like, primary coil section 210 and secondary coil portion 220 of the iron core 200 including being located at both ends.At this
In embodiment, primary coil section 210 is fixed on the part that a skeleton component 110 is recessed in advance, and the part is in E fonts；It is secondary
Coil portion 220 is fixed on the part of another skeleton component 110 depression in advance, and the part is also in E fonts.
It is when skeleton component 110 is combined into insulation framework 100, two skeleton components 110 are symmetrically placed, wherein, middle concave
Sunken part is relative, and the part of splicing is fixedly connected by black insulating cement；Primary coil section 210 and secondary coil portion 220 are then
Fixed by modes such as welding, form iron core 200.
The part common combination that two skeleton components 110 are recessed forms through hole, and iron core 200 is fixed in through hole.
Heat radiating metal part 221 is provided with primary coil section 210 or/and secondary coil portion 220, meanwhile, heat radiating metal part
Plane where 221 is vertical with iron core 200.
Wherein, different from embodiment 1, in the present embodiment, heat radiating metal part 221 can select and corresponding coil string
Connection.
Embodiment 3
As shown in figure 1, in the present embodiment, propose a kind of transformer, including insulation framework 100 and iron core 200.
Through hole is provided with insulation framework 100, iron core 200 is fixed in through hole.
Iron core 200 is in shaft-like, including the primary coil section 210 positioned at both ends and secondary coil portion 220.
Heat radiating metal part 221 is provided with primary coil section 210 or/and secondary coil portion 220, meanwhile, heat radiating metal part
Plane where 221 is vertical with iron core 200.
In the present embodiment, the first pin fixed mount 310 of corresponding primary coil section 210 is provided with insulation framework 100,
With the second pin fixed mount 320 in corresponding secondary coil portion 220.
Pin is provided with first pin fixed mount 310 and second pin fixed mount 320.Primary coil section 210 is reached the standard grade
Pin on the leading-out terminal of circle and the first pin fixed mount 310 is electrically connected with, the leading-out terminal of the coil of secondary coil portion 220 and the
Pin on two pin fixed mounts 320 is electrically connected with.
As shown in Fig. 2 the first pin fixed mount 310 can be arranged in parallel with second pin fixed mount 320.
In the present embodiment, the first pin fixed mount 310 can be fixed on primary coil section 210 and insulation framework 100 it
Between, second pin fixed mount 320 can be fixed between secondary coil portion 220 and insulation framework 100.
It will be appreciated by those skilled in the art that accompanying drawing is a schematic diagram for being preferable to carry out scene, module in accompanying drawing or
Flow is not necessarily implemented necessary to the present invention.
It will be appreciated by those skilled in the art that the module in device in implement scene can be described according to implement scene into
Row is distributed in the device of implement scene, can also carry out one or more dresses that respective change is disposed other than this implement scene
In putting.The module of above-mentioned implement scene can be merged into a module, can also be further split into multiple submodule.
Above-described embodiment sequence number is for illustration only, does not represent the quality of implement scene.
Disclosed above is only several specific implementation scenes of the present invention, and still, the present invention is not limited to this, Ren Heben
What the technical staff in field can think change should all fall into protection scope of the present invention.
Claims (10)
1. a kind of transformer, it is characterised in that including insulation framework and iron core；
Through hole is provided with the insulation framework；
The iron core is fixed in the through hole；
The iron core is in shaft-like, and the both ends of the iron core include primary coil section and secondary coil portion respectively；
Coil is respectively provided with the primary coil section and the secondary coil portion；
Heat radiating metal part is provided with the primary coil section or/and the secondary coil portion；
Plane where the heat radiating metal part is vertical with the iron core.
2. transformer according to claim 1, it is characterised in that the heat radiating metal part is in piece shape；
The middle bent of the heat radiating metal part is enclosed on the iron core, meanwhile, described in the both ends stretching of the heat radiating metal part
Outside through hole.
3. transformer according to claim 2, it is characterised in that the heat radiating metal part includes copper sheet.
4. transformer according to claim 1, it is characterised in that the both sides of the heat radiating metal part be provided with insulation every
Off member.
5. transformer according to claim 4, it is characterised in that the insulator spacer includes cable strap.
6. transformer according to claim 1, it is characterised in that in the primary coil section and the secondary coil portion
Coil is provided with insulating tape.
7. transformer according to claim 1, it is characterised in that between the primary coil section and the secondary coil portion
It is provided with insulating barrier.
8. transformer according to claim 1, it is characterised in that the corresponding primary line is provided with the insulation framework
The first pin fixed mount in circle portion, and the second pin fixed mount in the corresponding secondary coil portion；
Pin is provided with the first pin fixed mount and the second pin fixed mount.
9. transformer according to claim 8, it is characterised in that the first pin fixed mount is consolidated with the second pin
Determine frame to be arranged in parallel.
10. transformer according to claim 9, it is characterised in that the first pin fixed mount is fixed on the primary
Between coil portion and the insulation framework；
The second pin fixed mount is fixed between the secondary coil portion and the insulation framework.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711094789.1A CN107705959A (en) | 2017-11-09 | 2017-11-09 | A kind of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711094789.1A CN107705959A (en) | 2017-11-09 | 2017-11-09 | A kind of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107705959A true CN107705959A (en) | 2018-02-16 |
Family
ID=61180018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711094789.1A Pending CN107705959A (en) | 2017-11-09 | 2017-11-09 | A kind of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107705959A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1227328A (en) * | 1998-02-28 | 1999-09-01 | 三星电子株式会社 | High voltage transformer of microwave oven having structure for radiating heat |
| US20080079524A1 (en) * | 2006-09-29 | 2008-04-03 | Tdk Corporation | Planar transformer and switching power supply |
| CN101692390A (en) * | 2009-10-20 | 2010-04-07 | 江苏泰昌电子有限公司 | ultra-thin transformer |
| CN101692388A (en) * | 2009-10-20 | 2010-04-07 | 江苏泰昌电子有限公司 | Ultra-thin transformer |
| CN203733570U (en) * | 2014-03-13 | 2014-07-23 | 深圳市普兰斯通科技有限公司 | Heat dissipation device of high-frequency switching mode power supply transformer |
| CN104157428A (en) * | 2014-09-05 | 2014-11-19 | 亚元科技（宜昌）电子有限公司 | High-insulation plane impedance-matching transformer and preparation method |
| CN207458715U (en) * | 2017-11-09 | 2018-06-05 | 昂鼎科技（深圳）有限公司 | A kind of transformer |
-
2017
- 2017-11-09 CN CN201711094789.1A patent/CN107705959A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1227328A (en) * | 1998-02-28 | 1999-09-01 | 三星电子株式会社 | High voltage transformer of microwave oven having structure for radiating heat |
| US20080079524A1 (en) * | 2006-09-29 | 2008-04-03 | Tdk Corporation | Planar transformer and switching power supply |
| CN101692390A (en) * | 2009-10-20 | 2010-04-07 | 江苏泰昌电子有限公司 | ultra-thin transformer |
| CN101692388A (en) * | 2009-10-20 | 2010-04-07 | 江苏泰昌电子有限公司 | Ultra-thin transformer |
| CN203733570U (en) * | 2014-03-13 | 2014-07-23 | 深圳市普兰斯通科技有限公司 | Heat dissipation device of high-frequency switching mode power supply transformer |
| CN104157428A (en) * | 2014-09-05 | 2014-11-19 | 亚元科技（宜昌）电子有限公司 | High-insulation plane impedance-matching transformer and preparation method |
| CN207458715U (en) * | 2017-11-09 | 2018-06-05 | 昂鼎科技（深圳）有限公司 | A kind of transformer |
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