CN205609326U - Transformer and switching power supply - Google Patents
Transformer and switching power supply Download PDFInfo
- Publication number
- CN205609326U CN205609326U CN201620309716.4U CN201620309716U CN205609326U CN 205609326 U CN205609326 U CN 205609326U CN 201620309716 U CN201620309716 U CN 201620309716U CN 205609326 U CN205609326 U CN 205609326U
- Authority
- CN
- China
- Prior art keywords
- coil
- magnetic core
- transformator
- conduction material
- heat conduction
- 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.)
- Expired - Fee Related
Links
Landscapes
- General Induction Heating (AREA)
Abstract
The utility model provides a transformer and switching power supply. This transformer includes: a radiating plate. The magnetic core of shaped as frame, the magnetic core is gone up the laminating except that other faces of inner ring off -plate and is provided with the heat conduction material, and magnetic core and heating panel laminating are fixed, the first edge of magnetic core is around being equipped with first coil, and the number of piles of first coil is the one deck at least, and the second edge that the magnetic core is relative with first limit winds and is equipped with the second coil, and the number of piles of second coil is the one deck at least, wherein, when magnetic core and heating panel laminating were fixed, first coil and second coil were laminated with the heating panel respectively. The utility model provides a heat abstractor volume of current transformer great, and the unsatisfactory problem of radiating effect.
Description
Technical field
This utility model relates to technical field of electronic equipment, and more particularly, to a kind of transformator and open
Close power supply.
Background technology
In daily life, various electronic equipments will have electric power system, and electric power system is mainly Switching Power Supply.
The main components and parts of Switching Power Supply are transformators, store and during transmission energy at transformator, due to magnetic
Core will be by remagnetization, and therefore magnetic core has the biggest caloric value.And the coiling of transformator is owing to there being electric current stream
Cross, and coiling has impedance, such coiling also can generate heat.How the heat of transformator is derived, just become change
The crucial factor that can depressor normally work.The mode that industry is conventional at present is to increase fan to transformator
Blowing and transformator immersion oil.Use fan blowing mode drawback be fan can take electric power system the most substantially
Long-pending, it is unfavorable for the miniaturization of electric power system, and this mode can not well derive the heat in coil.And
The mode of transformator immersion oil, needs at outer one shell of surface cover of transformator, and such volume is the biggest.
Utility model content
This utility model provides a kind of transformator and Switching Power Supply, to solve the heat abstractor body of existing transformator
Long-pending relatively big, and the problem that radiating effect is undesirable.
This utility model provides a kind of transformator, and this transformator includes: heat sink；The magnetic core of shaped as frame, magnetic
Fitting on core other faces in addition to inner ring surface and be provided with Heat Conduction Material, magnetic core and heat sink laminating are fixing；Magnetic core
The first limit on be arranged with first coil, the number of plies of first coil is at least one layer, and magnetic core and the first limit are relative
The second limit on be arranged with the second coil, the number of plies of the second coil is at least one layer；Wherein, magnetic core and heat radiation
When plate laminating is fixing, first coil and the second coil are fitted with heat sink respectively.
Alternatively, the number of plies of first coil is multilamellar, is provided with heat conduction between the adjacent two layers of first coil
Material.
Alternatively, the number of plies of the second coil is multilamellar, is provided with heat conduction between the adjacent two layers of the second coil
Material.
Alternatively, magnetic core and heat sink are fixed by heat-conducting glue.
Alternatively, Heat Conduction Material and magnetic core are fixed by heat-conducting glue.
Alternatively, Heat Conduction Material is Copper Foil.
Alternatively, heat sink is aluminium base.
This utility model additionally provides a kind of Switching Power Supply, and this Switching Power Supply includes above-mentioned transformator.
Technique scheme of the present utility model includes following beneficial effect:
In this utility model embodiment, heat conduction material is set by laminating on other faces in addition to inner ring surface of magnetic core
Material, then winding first coil and the second coil on the both sides that magnetic core is relative, and when first coil
When the number of plies is multilamellar, Heat Conduction Material is set between the adjacent two layers of first coil, when the number of plies of the second coil
During for multilamellar, Heat Conduction Material is set between the adjacent two layers of the second coil.By Heat Conduction Material and heat sink
The heat of transformator is derived, there is volume little, and radiating effect clear advantage.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, below will be to embodiment or existing
In technology description, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below
It is only embodiments more of the present utility model, for those of ordinary skill in the art, is not paying wound
On the premise of the property made is laborious, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is magnetic core and the schematic diagram of heat sink of transformator of the present utility model；
Fig. 2 is magnetic core and the exploded view of Heat Conduction Material of transformator of the present utility model；
Fig. 3 is that the magnetic core of transformator of the present utility model has been sticked the schematic diagram after Heat Conduction Material.
[Main Reference Numerals explanation]
101: heat sink, 102: magnetic core, 103: Heat Conduction Material, 104: first coil,
105: the second coils.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technical side in this utility model embodiment
Case is clearly and completely described, it is clear that described embodiment is only that this utility model part is real
Execute example rather than whole embodiments.Based on the embodiment in this utility model, ordinary skill people
The every other embodiment that member is obtained under not making creative work premise broadly falls into this utility model
The scope of protection.
Referring to Fig. 1, Fig. 2 and Fig. 3, this utility model provides a kind of transformator, and this transformator includes:
For the heat sink 101 dispelled the heat for transformator, heat sink 101 is made up of the material that heat conductivity is good, specifically
Ground, in the present embodiment, heat sink 101 is made up of aluminium base, it is of course possible to be understood by, the present embodiment
Do not limit the concrete material type of heat sink 101.
The magnetic core 102 of shaped as frame, on magnetic core 102 other faces in addition to inner ring surface, laminating is provided with Heat Conduction Material 103,
Specifically, in the present embodiment, Heat Conduction Material 103 is Copper Foil.Can be by heat conduction material by the way of plating
Material 103 laminating is fixed on magnetic core 102, it is also possible to by the glue that use heat conductivity is good, by heat conduction material
Material 103 laminating is fixed on magnetic core 102.In the present embodiment, Heat Conduction Material 103 and magnetic core 102 are by leading
Hot glue is fixed.After having fixed as shown in Figure 3.And magnetic core 102 and heat sink 101 laminating fixing, and two
Fixing between person can be realized by heat-conducting glue.
Being arranged with first coil 104 on first limit of magnetic core 102, the number of plies of first coil 104 is at least one
Layer, the second limit that magnetic core 102 is relative with the first limit is arranged with the second coil 105, the second coil 105
The number of plies is at least one layer；Two limits of magnetic core 102 non-winding coil then can be beneficial to magnetic core 102 further
Heat radiation.Wherein, when magnetic core 102 and heat sink 101 laminating are fixing, first coil 104 and the second coil
105 fit with heat sink 101 respectively.So, magnetic core 102, first coil 104 and the second line
The heat of circle 105 just can be distributed by heat sink 101 smoothly.And the coil winding in the present embodiment
Avoid first coil 104 and the second coil 105 is wrapped up by magnetic core 102, First Line can be beneficial to further
Circle 104 and the heat radiation of the second coil 105.
And, when the number of plies of first coil 104 is multilamellar, between the adjacent two layers of first coil 104
It is provided with Heat Conduction Material 103.Similarly, when the number of plies of the second coil 105 is multilamellar, at the second coil
Heat Conduction Material 103 it is provided with between the adjacent two layers of 105.So, Heat Conduction Material 103 can be passed through
Heat in first coil 104 and the second coil 105 is fully guided.
This utility model additionally provides a kind of Switching Power Supply, and this Switching Power Supply includes above-mentioned transformator.
In this utility model embodiment, heat conduction material is set by laminating on other faces in addition to inner ring surface of magnetic core
Material, then winding first coil and the second coil on the both sides that magnetic core is relative, and when first coil
When the number of plies is multilamellar, Heat Conduction Material is set between the adjacent two layers of first coil, when the number of plies of the second coil
During for multilamellar, Heat Conduction Material is set between the adjacent two layers of the second coil.By Heat Conduction Material and heat sink
The heat of transformator is derived, there is volume little, and radiating effect clear advantage.
It should be noted that in this article, the relational terms of such as first and second or the like be used merely to by
One entity makes a distinction with another entity, and not necessarily requires or imply that between these entities, existence is appointed
The relation of what this reality or order.And, term " includes ", " comprising " or its any other become
Body is intended to comprising of nonexcludability so that include the process of a series of key element, method, article or
Person's terminal unit not only includes those key elements, but also includes other key elements being not expressly set out, or
Also include the key element intrinsic for this process, method, article or terminal unit.There is no more restriction
In the case of, statement " including ... " key element limited, it is not excluded that including described key element
Process, method, article or terminal unit there is also other identical element.
The above, detailed description of the invention the most of the present utility model, but protection domain of the present utility model is also
Be not limited to this, any those familiar with the art in the technical scope that this utility model discloses,
Change can be readily occurred in or replace, all should contain within protection domain of the present utility model.Therefore, this reality
Should be as the criterion with scope of the claims with novel protection domain.
Claims (8)
1. a transformator, it is characterised in that including:
Heat sink；
The magnetic core of shaped as frame, on described magnetic core other faces in addition to inner ring surface, laminating is provided with Heat Conduction Material, described
Magnetic core and the laminating of described heat sink are fixing；
Being arranged with first coil on first limit of described magnetic core, the number of plies of described first coil is at least one layer,
The second coil, the number of plies of described second coil it is arranged with on the second limit that described magnetic core is relative with described first limit
At least one layer；
Wherein, when described magnetic core and the laminating of described heat sink are fixing, described first coil and described second coil
Fit with described heat sink respectively.
2. transformator as claimed in claim 1, it is characterised in that the number of plies of described first coil is many
Layer, is provided with described Heat Conduction Material between the adjacent two layers of described first coil.
3. transformator as claimed in claim 1, it is characterised in that the number of plies of described second coil is many
Layer, is provided with described Heat Conduction Material between the adjacent two layers of described second coil.
4. transformator as claimed in claim 1, it is characterised in that described magnetic core and described heat sink lead to
Cross heat-conducting glue to fix.
5. transformator as claimed in claim 1, it is characterised in that described Heat Conduction Material and described magnetic core
Fixed by heat-conducting glue.
6. transformator as claimed in claim 1, it is characterised in that described Heat Conduction Material is Copper Foil.
7. transformator as claimed in claim 1, it is characterised in that described heat sink is aluminium base.
8. a Switching Power Supply, it is characterised in that described Switching Power Supply includes as claim 1-7 is arbitrary
Transformator described in Xiang.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620309716.4U CN205609326U (en) | 2016-04-13 | 2016-04-13 | Transformer and switching power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620309716.4U CN205609326U (en) | 2016-04-13 | 2016-04-13 | Transformer and switching power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205609326U true CN205609326U (en) | 2016-09-28 |
Family
ID=56972940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620309716.4U Expired - Fee Related CN205609326U (en) | 2016-04-13 | 2016-04-13 | Transformer and switching power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205609326U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11848128B2 (en) | 2019-10-12 | 2023-12-19 | Delta Electronics (Shanghai) Co., Ltd. | Magnetic component and power module |
-
2016
- 2016-04-13 CN CN201620309716.4U patent/CN205609326U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11848128B2 (en) | 2019-10-12 | 2023-12-19 | Delta Electronics (Shanghai) Co., Ltd. | Magnetic component and power module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9793741B2 (en) | Magnetic sheet, wireless charging sheet and method for manufacturing magnetic sheet | |
| CN201656765U (en) | EMI filter | |
| CN202736634U (en) | Pulse transformer | |
| CN205609326U (en) | Transformer and switching power supply | |
| Zhang et al. | Design of the planar transformer in LLC resonant converters for micro-grid applications | |
| CN208589332U (en) | A kind of wound main transformer of foil | |
| CN208922882U (en) | A kind of common mode inductance, electromagnetic interface filter and Switching Power Supply | |
| CN208478093U (en) | The transformer of winding construction | |
| CN207977198U (en) | A kind of electronic transformer | |
| CN203444947U (en) | High-frequency and high-power transformer for large adjustable power source | |
| CN214377944U (en) | Differential-common mode inductor | |
| TW202025182A (en) | Adjustable leakage inductance transformer | |
| CN205845635U (en) | Annular is vertical around inductance | |
| CN201673783U (en) | Oil-immersed on load capacity-regulated transformer | |
| CN208570287U (en) | Magnetic integrated transformer and power supply, ideal money dig mine machine | |
| CN204332636U (en) | A kind of magnet assembly | |
| CN206480478U (en) | One kind can antirust Open Type Electric Current Mutual Inductor | |
| CN206819866U (en) | Transformer | |
| CN211427961U (en) | Planar transformer | |
| CN205789464U (en) | A kind of resonance transformer | |
| CN203377085U (en) | High power density magnetic integration planar transformer | |
| CN203218087U (en) | Amorphous alloy high-frequency transformer | |
| CN203150360U (en) | Metal foil winding with tapes | |
| CN204668076U (en) | Common-mode inductor | |
| CN207719027U (en) | A kind of toroidal transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160928 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |