CN207425599U - A kind of hyperfrequency secondary resonance transformer - Google Patents
A kind of hyperfrequency secondary resonance transformer Download PDFInfo
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- CN207425599U CN207425599U CN201721627670.1U CN201721627670U CN207425599U CN 207425599 U CN207425599 U CN 207425599U CN 201721627670 U CN201721627670 U CN 201721627670U CN 207425599 U CN207425599 U CN 207425599U
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- hyperfrequency
- copper
- center pillar
- capacitance
- secondary windings
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Abstract
The utility model is related to a kind of hyperfrequency secondary resonance transformers, including magnetic core, armature winding, secondary windings, resonant capacitance, the resonant capacitance is connected with secondary windings, the magnetic core is EE type combined magnet cores, including a center pillar, two side walls and two side columns, the armature winding and secondary windings are arranged using center pillar as axis in a manner that envelope stacks.The utility model uses conducting wire of the T2 copper pipes as transformer winding, improves coil efficiency and reduces copper loss；Armature winding and secondary windings stack arrangement using center pillar as axis using envelope, while reducing leakage inductance, can increase degree of coupling；Double types of cooling of heat dissipation copper coin and the cooling of the second copper pipe are set around copper coin capacitance, and while carrying out cooling to capacitance, copper coin overcurrent capability, which obtains, greatly to be promoted；Magnetic core center pillar outsourcing heat dissipation copper sheet, strengthens cooling.
Description
Technical field
The utility model belongs to field transformer, and in particular to a kind of hyperfrequency secondary resonance transformer.
Background technology
High frequency transformer is the core component of induction heating power, is the main portion for realizing energy transmission and load matched
Part.With the high frequency of induction heating power and the development trend of high-power, volume of transformer is reduced, improves high frequency transformer
Power density improves the radiating efficiency of transformer, has become primary the problem of determining of high-frequency high-power transformer.
Utility model content
To solve the above problems, the utility model provides a kind of small, light-weight, powerful hyperfrequency secondary resonance
Transformer.
The technical solution of the utility model is specially：
A kind of hyperfrequency secondary resonance transformer, including magnetic core, armature winding, secondary windings, resonant capacitance, the resonance
Capacitance is connected with secondary windings, and the magnetic core is EE type combined magnet cores, including a center pillar, two side walls and two side columns, institute
Armature winding and secondary windings are stated using center pillar as axis, is arranged in a manner that envelope stacks.
3 contact surfaces of two magnetic cores are bonded using adhesive.
The magnetic core center pillar outsourcing radiates copper sheet, side column and side wall equipped with heat dissipation copper pipe.
The conducting wire of the transformer winding is T2 copper pipes.
There is imines adhesive tape between the transformer winding as insulating materials, armature winding and secondary windings interlayer have the polyester thin
Film is as insulating materials.
The transformer is using cresol novolacs as impregnated material.
The resonant capacitance is copper coin capacitance.
Copper coin is provided with around the copper coin capacitance, copper coin outer wall has heat dissipation copper pipe.
Compared with the prior art, the technique effect of the utility model is, using conducting wire of the T2 copper pipes as transformer winding,
It improves coil efficiency and reduces copper loss；Armature winding and secondary windings stack arrangement using center pillar as axis using envelope, reduce leakage inductance
Meanwhile, it is capable to increase degree of coupling；Double types of cooling of heat dissipation copper coin and the cooling of the second copper pipe are set around copper coin capacitance, it is right
While capacitance carries out cooling, copper coin overcurrent capability, which obtains, greatly to be promoted；Magnetic core center pillar outsourcing heat dissipation copper sheet, strengthens dissipating
Heat cooling.
Description of the drawings
Fig. 1 is the design pictorial diagram of the utility model.
Fig. 2 is left view in kind.
Specific embodiment
As shown in Figure 1, a kind of hyperfrequency secondary resonance transformer, mainly include magnetic core 1, armature winding 2 and it is secondary around
Group 3, resonant capacitance 4, resonant capacitance 4 are connected with secondary windings 3, and magnetic core 1 is EE type combined magnet cores, including center pillar 1-3, two
Side wall 1-1 and two side column 1-2, armature winding 2 and secondary windings 3 are axially ensureing weight to the greatest extent using center pillar as axis
It is folded, it is arranged in a manner that envelope stacks, increases degree of coupling.
In order to which magnetic core is made to have higher saturation flux density or high magnetic conductivity, there is low iron in operating frequency range
Damage, the magnetic core selection preferable Mn-Zn ferrite core materials of high frequency characteristics.Poly- magnetic material is due to the use of in high-power, high frequency item
Under part, magnetic hystersis loss, which increases fever, can influence magnetic material properties, in center pillar 1-3 outsourcings heat dissipation copper sheet, side column 1-2 and side wall 1-
1 has the first heat dissipation copper pipe 5, strengthens cooling.Due to the attraction between high frequency transformer EE or EI type magnetic core, two can be made
Magnetic core is subjected to displacement, winding current mutual gravitation or repulsion, and coil can also be made to generate offset, can be caused by during mechanical oscillation
Periodic deformation, to prevent from generating relative displacement between magnetic core 1,3 contact surfaces of two magnetic cores are bonded using adhesive.
Reduce copper loss to improve coil efficiency, the conducting wire of winding uses T2 copper pipes.In winding process, coil former rack-layer
Between isolation, winding between isolation, using insulating materials.Using imines adhesive tape as main exhausted between transformer coli winding
Edge material, primary uses mylar as predominating insulation with secondary interlayer, and size insulate when making
The mode of area increased is employed, improves insulation voltage.In order to reduce leakage inductance, reduce in the case where ensureing to design electric property
The number of turn of armature winding 2 increases the width of winding, increases the height of winding, wide ratio.After the primary and secondary line wrapping of transformer makes, warp
Last procedure is crossed, is exactly impregnated insulating paint, it can enhance the mechanical strength of transformer, improve insulation performance, extends use
Service life, using cresol novolacs as impregnated material.
Hyperfrequency secondary resonance transformer is installed on the secondary of transformer using secondary resonance mode, resonant capacitance 4
3.High current is operated in using the resonant capacitance in LC resonance circuit during this kind of resonance manner, under low voltage condition, at this moment to humorous
Shake capacitance 4 performance requirement it is high, capacitance needs minimum internal resistance, and electric current will reach kiloampere, be cooled down using water flowing
Copper coin capacitance used as resonant capacitance.Copper coin resonant capacitance in the case of high current when in use in order to avoid generating heat, in copper
4 surrounding of plate capacitance sets double types of cooling of heat dissipation copper coin 6 and second copper pipe 7 cooling, and the same of cooling is carried out to capacitance 4
When, heat dissipation 6 overcurrent capability of copper coin, which obtains, greatly to be promoted.
Above-described is only the preferred embodiment of the utility model, it is noted that for those skilled in the art
For, under the premise of the utility model general idea is not departed from, several changes and improvements can also be made, these should also be considered as
The scope of protection of the utility model.
Claims (8)
1. a kind of hyperfrequency secondary resonance transformer, including magnetic core, armature winding, secondary windings, resonant capacitance, the resonance electricity
Appearance is connected with secondary windings, it is characterised in that：The magnetic core is EE type combined magnet cores, including a center pillar, two side walls and two
Side column, the armature winding and secondary windings are arranged using center pillar as axis in a manner that envelope stacks.
2. a kind of hyperfrequency secondary resonance transformer according to claim 1, it is characterised in that：3 of two magnetic cores connect
Contacting surface is bonded using adhesive.
3. a kind of hyperfrequency secondary resonance transformer according to claim 1, it is characterised in that：The magnetic core center pillar outsourcing
Radiate copper sheet, and side column and side wall are equipped with heat dissipation copper pipe.
4. a kind of hyperfrequency secondary resonance transformer according to claim 1, it is characterised in that：The transformer winding
Conducting wire is T2 copper pipes.
5. a kind of hyperfrequency secondary resonance transformer according to claim 1 or 4, it is characterised in that：The transformer around
There is imines adhesive tape between group as insulating materials, armature winding has mylar as insulating materials with secondary windings interlayer.
6. a kind of hyperfrequency secondary resonance transformer according to claim 1, it is characterised in that：The transformer uses first
Phenol varnish is as impregnated material.
7. a kind of hyperfrequency secondary resonance transformer according to claim 1, it is characterised in that：The resonant capacitance is copper
Plate capacitance.
8. a kind of hyperfrequency secondary resonance transformer according to claim 7, it is characterised in that：Around the copper coin capacitance
Copper coin is provided with, copper coin outer wall has heat dissipation copper pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721627670.1U CN207425599U (en) | 2017-11-29 | 2017-11-29 | A kind of hyperfrequency secondary resonance transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721627670.1U CN207425599U (en) | 2017-11-29 | 2017-11-29 | A kind of hyperfrequency secondary resonance transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207425599U true CN207425599U (en) | 2018-05-29 |
Family
ID=62396431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721627670.1U Active CN207425599U (en) | 2017-11-29 | 2017-11-29 | A kind of hyperfrequency secondary resonance transformer |
Country Status (1)
| Country | Link |
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| CN (1) | CN207425599U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110310801A (en) * | 2019-07-19 | 2019-10-08 | 东莞市大忠电子有限公司 | A kind of integrated three-phase common mode inductance of 5G |
| CN113593840A (en) * | 2021-06-28 | 2021-11-02 | 南京南瑞继保工程技术有限公司 | High-frequency transformer with built-in cold plate |
-
2017
- 2017-11-29 CN CN201721627670.1U patent/CN207425599U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110310801A (en) * | 2019-07-19 | 2019-10-08 | 东莞市大忠电子有限公司 | A kind of integrated three-phase common mode inductance of 5G |
| CN113593840A (en) * | 2021-06-28 | 2021-11-02 | 南京南瑞继保工程技术有限公司 | High-frequency transformer with built-in cold plate |
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