CN207752857U - A kind of high frequency transformer of good heat dissipation effect - Google Patents
A kind of high frequency transformer of good heat dissipation effect Download PDFInfo
- Publication number
- CN207752857U CN207752857U CN201721824577.XU CN201721824577U CN207752857U CN 207752857 U CN207752857 U CN 207752857U CN 201721824577 U CN201721824577 U CN 201721824577U CN 207752857 U CN207752857 U CN 207752857U
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- Prior art keywords
- coil
- cylindricality
- high frequency
- magnetic core
- heat dissipation
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- Transformer Cooling (AREA)
Abstract
The utility model discloses a kind of high frequency transformers of good heat dissipation effect,Including pedestal,Fixed cylindricality plank circle is equipped with above the pedestal,The cylindricality plank circle periphery is nested with magnetic core,Magnetic core periphery wound coil,It is connected with pin below the coil,It is surrounded by radiator outside the coil,Thermal grease layer is equipped among the radiator and coil,It is surrounded by circular cooling fin between the shell and inner casing of the radiator,The pedestal is provided with circular hole at cylindricality plank circle center,The arm support being fixed on the base is provided at the circular hole,Fan is installed at the arm support center,The utility model is for high frequency transformer simultaneously,It is more compact simple compared to previous transformer device structure,This product copper sheet increases increases air flowing by the contact area and fan with air,It realizes inside and outside while radiating,The heat of guarantee distributes,Improve the service life of product.
Description
Technical field
The utility model is related to transformer technology field, specially a kind of high frequency transformer of good heat dissipation effect.
Background technology
High frequency transformer is the power transformer that working frequency is more than intermediate frequency (10kHz), is mainly used for high frequency switch power
In make high-frequency switch power transformer, be also useful for making high frequency inverter transformation in high frequency inverter and Inverter Welder
Device.High frequency transformer is as the most important component part of Switching Power Supply, and the topological structure in Switching Power Supply has very much.Such as
Semibridge system circuit for power conversion, to generate the high-frequency impulse wave of 100kHz, then two switching transistors are connected in turn when work
Transformation is carried out by high frequency transformer, exports alternating current, the number of turns ratio of each winding coil of high frequency transformer then determines defeated
The number of voltage gone out.
Transformer is the device for changing alternating voltage using electromagnetic induction, and main function has voltage transformation, electric current to become
Change with impedance transformation etc..The technology of transformer is increasingly mature, widely applies to all trades and professions, towards high power density power supply
Direction is fast-developing.With the raising of power, the fever of transformer also can be increasing, therefore is proposed to the heat dissipation of potential device
Higher requirement, wherein the heat dissipation to radiator is particularly important.Current solution is to use aluminum hull nesting coil, warp
Transformer coil and iron core heat transfer are close to transformer aluminium by the mode of heat-conducting glue heat transfer to transformer aluminum hull, then by heat dissipation row
Shell is finally taken away the heat of aluminum hull by heat dissipation row.Inventor the study found that present potential device through transformer aluminum hull, heat conduction
Glue indirectly radiates to transformer coil, and heat dissipation effect is very poor, and needs to occupy larger space.
Utility model content
The purpose of this utility model is to provide a kind of high frequency transformers of good heat dissipation effect, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the utility model provides the following technical solutions：
A kind of high frequency transformer of good heat dissipation effect, including pedestal, the pedestal top are equipped with fixed cylindricality plank circle,
The cylindricality plank circle periphery is nested with magnetic core, and magnetic core periphery wound coil, the coil lower section is connected with pin, described
Be surrounded by radiator outside coil, the radiator among coil equipped with thermal grease layer, the shell and inner casing of the radiator it
Between be surrounded by circular cooling fin, the pedestal is provided with circular hole at cylindricality plank circle center, fixation is provided at the circular hole
Arm support on pedestal is equipped with fan at the arm support center.
The cylindricality plank circle height is 1/5th of magnetic core, and magnetic core is nested on cylindricality plank circle.
The coil is by enameled wire coiling outside the magnetic core, and the coil includes primary coil and secondary coil,
The end of a thread of the primary coil and secondary coil include at least three strands mutually around enameled wire.
Preferably, the cooling fin is copper sheet.
Compared with prior art, the utility model has the beneficial effects that：The present invention for high frequency transformer, compared to
Previous transformer device structure is more compact simple, while included heat sinking function makes the effect and service life and cost of transformer
Maintenance effects air flowing is increased by the contact area and fan with air it is obvious that this product copper sheet increases, it is real
Show inside and outside while having radiated, the heat of guarantee distributes, and improves the service life of product.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the high frequency transformer of good heat dissipation effect；
Fig. 2 is a kind of structural schematic diagram of the section of the high frequency transformer of good heat dissipation effect.
Fig. 3 is a kind of structural schematic diagram of the section of the radiator of the high frequency transformer of good heat dissipation effect.
In figure：1- pedestals, 2- pins, 3- coils, 4- magnetic cores, 5- plank circles, 6- radiators, 7- cooling fins, 8- circular holes, 9-
Fan, 10- shells, 11- inner casings, 12- arm supports, 13- thermal grease layers.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
~3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of high frequency transformer of good heat dissipation effect, packet
Pedestal 1 is included, 1 top of the pedestal is equipped with fixed cylindricality plank circle 5, and 5 periphery of cylindricality plank circle is nested with magnetic core 4, institute
The peripheral wound coil 3 of magnetic core 4 is stated, 3 lower section of the coil is connected with pin 2, radiator 6, the heat dissipation are surrounded by outside the coil 3
It is equipped with thermal grease layer 13 among device 6 and coil 3, circular heat dissipation is surrounded by between the shell 10 and inner casing 11 of the radiator 6
Piece 7, the pedestal 1 are provided with circular hole 8 at 5 center of cylindricality plank circle, are provided with and are fixed on pedestal 1 at the circular hole 8
Arm support 12, the arm support are equipped with fan 9 at 12 center.
5 height of cylindricality plank circle is 1/5th of magnetic core 4, and magnetic core 4 is nested on cylindricality plank circle 5, because
This magnetic core 4 can be fixed on by nested cylindricality plank circle 5 on pedestal 1.
The coil 3 is by enameled wire in 4 outer coiling of the magnetic core, and the coil 3 includes primary coil and secondary wire
Circle, the end of a thread of the primary coil and secondary coil include at least three strands mutually around enameled wire.
It is coated with heat-conducting silicone grease among the radiator 6 and coil 3, heat-conducting silicone grease ensure that rapid effective transmission of heat,
To which radiator 6 can quickly and effectively radiate, while can also play the role of protecting coil 3.
The cooling fin 7 is copper sheet, and for cost and heat transmitting, the cost performance of copper is relatively high.
The operation principle of the utility model is：After high voltage input terminal is inputted from 2 side of pin, electric current is by strip resistance
Coil 3 will produce heat, this partition losses is " copper loss ", generates induced electromotive force in coil 3, closed circuit is generated, to produce
Given birth to electric current, " vortex " at this time increases the burden of transformer, generates heat, the heat inside and outside transformer distribute after by
Heat-conducting silicone grease has quickly and effectively transferred heat to radiator 6, and the cooling fin 7 on radiator 6 distributes heat, and to
Heat is taken away in the air flowing that effect of the heat distributed in transformer through passing through fan 9 increases center, inside and outside all effective
It is radiated to transformer.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (4)
1. a kind of high frequency transformer of good heat dissipation effect, including pedestal（1）, it is characterised in that：The pedestal（1）Top is equipped with solid
Fixed cylindricality plank circle（5）, the cylindricality plank circle（5）Periphery is nested with magnetic core（4）, the magnetic core（4）Peripheral wound coil
（3）, the coil（3）Lower section is connected with pin（2）, the coil（3）It is surrounded by radiator outside（6）, the radiator（6）With line
Circle（3）Centre is equipped with thermal grease layer（13）, the radiator（6）Shell（10）And inner casing（11）Between be surrounded by circular dissipate
Backing（7）, the pedestal（1）In cylindricality plank circle（5）Circular hole is provided at center（8）, the circular hole（8）Place is provided with fixation
In pedestal（1）On arm support（12）, the arm support（12）Fan is installed at center（9）.
2. a kind of high frequency transformer of good heat dissipation effect according to claim 1, it is characterised in that：The cylindricality plank circle
（5）Height is magnetic core（4）1/5th, and magnetic core（4）It is nested in cylindricality plank circle（5）On.
3. a kind of high frequency transformer of good heat dissipation effect according to claim 1, it is characterised in that：The coil（3）It is logical
Enameled wire is crossed in the magnetic core（4）Outer coiling, and the coil（3）Including primary coil and secondary coil, the primary coil
Include with the end of a thread of secondary coil at least three strands mutually around enameled wire.
4. a kind of high frequency transformer of good heat dissipation effect according to claim 1, it is characterised in that：The cooling fin（7）
For copper sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721824577.XU CN207752857U (en) | 2017-12-25 | 2017-12-25 | A kind of high frequency transformer of good heat dissipation effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721824577.XU CN207752857U (en) | 2017-12-25 | 2017-12-25 | A kind of high frequency transformer of good heat dissipation effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207752857U true CN207752857U (en) | 2018-08-21 |
Family
ID=63150274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721824577.XU Expired - Fee Related CN207752857U (en) | 2017-12-25 | 2017-12-25 | A kind of high frequency transformer of good heat dissipation effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207752857U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111462994A (en) * | 2020-04-28 | 2020-07-28 | 深圳市百斯特电子有限公司 | Thermosetting material hot-pressing integrated inductor and manufacturing process thereof |
| CN113539627A (en) * | 2021-07-06 | 2021-10-22 | 苏州天铭磁业有限公司 | High-frequency variable-voltage high-inductance-value high-permeability ferrite core with high heat dissipation efficiency |
-
2017
- 2017-12-25 CN CN201721824577.XU patent/CN207752857U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111462994A (en) * | 2020-04-28 | 2020-07-28 | 深圳市百斯特电子有限公司 | Thermosetting material hot-pressing integrated inductor and manufacturing process thereof |
| CN113539627A (en) * | 2021-07-06 | 2021-10-22 | 苏州天铭磁业有限公司 | High-frequency variable-voltage high-inductance-value high-permeability ferrite core with high heat dissipation efficiency |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A high-frequency transformer with good heat dissipation effect Effective date of registration: 20200113 Granted publication date: 20180821 Pledgee: Fuzhou branch of Bank of Communications Co.,Ltd. Pledgor: FUZHOU CITY SHUANGLING MAGNETIC MATERIALS Co.,Ltd. Registration number: Y2020360000005 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180821 Termination date: 20211225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |