CN206022069U - High frequency voltage bonder based on mixing magnetic core principle - Google Patents
High frequency voltage bonder based on mixing magnetic core principle Download PDFInfo
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- CN206022069U CN206022069U CN201620986308.2U CN201620986308U CN206022069U CN 206022069 U CN206022069 U CN 206022069U CN 201620986308 U CN201620986308 U CN 201620986308U CN 206022069 U CN206022069 U CN 206022069U
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Abstract
This utility model discloses a kind of high frequency voltage bonder based on mixing magnetic core principle, including：The high voltage power supply charging terminal being sequentially connected in series, electrical switch and voltage coupler, a resistance is provided between the contact and ground connection of this electrical switch and voltage coupler, the coupling transformer further includes magnetic core, primary coil and the secondary coil at two ends is devices under for connection, the magnetic core is made up of upper semi-circle magnet ring and lower semi-circular magnetic ring, the upper semi-circle magnet ring is stalloy semicircle magnet ring, ferrite semicircle magnet ring, one kind in Amorphous Cores semicircle magnet ring and iron-base nanometer crystal alloy semicircle magnet ring, the lower semi-circular magnetic ring is stalloy semicircle magnet ring, ferrite semicircle magnet ring, the remaining three kinds one kind of Amorphous Cores semicircle magnet ring and iron-base nanometer crystal alloy semicircle magnet ring.The single transformator of high frequency voltage bonder of this utility model based on mixing magnetic core principle can meet the coupling of multi-frequency signal, so as to volume and price are minimum.
Description
Technical field
This utility model belongs to power electronic devices applied technical field, more particularly to a kind of based on mixing magnetic core principle
High frequency voltage bonder.
Background technology
Often high-frequency voltage signal is coupled on tested device by high frequency transformer in electrion field.Such as Fig. 1
Shown.In this application scenario, it is desirable to which the excitation impedance of coupling transformer is much larger than load impedance.
The excitation impedance of transformator includes iron-core inductance and eddy current resistance two parts, as shown in Figure 2.Wherein, Ld and Rd point
Not Wei excitation impedance inductance and resistive component, both at the nonlinear function of magnetic flux density B.
The effective ways for improving coupling transformer excitation impedance are to select pcrmeability higher and the larger magnetic core of eddy current resistance
Material.Wish that a bonder can be with pick-up multi-frequency signal in some special occasions.But, most core materials make
Highest frequency requirement do not only have with being limited, and also low-limit frequency is required, i.e., bandwidth is limited.
Content of the invention
This utility model purpose is to provide a kind of high frequency voltage bonder based on mixing magnetic core principle, should be based on mixing magnetic
The single transformator of the high frequency voltage bonder of core principle can meet the coupling of multi-frequency signal, so as to volume and price are minimum.
For reaching above-mentioned purpose, the technical solution adopted in the utility model is：A kind of high frequency based on mixing magnetic core principle
Voltage coupler, including：High voltage power supply charging terminal, electrical switch and the voltage coupler being sequentially connected in series, this high-tension electricity
A discharge capacity is provided between the contact of source charging terminal and electrical switch and ground connection, this electrical switch and voltage coupler
A resistance is provided between contact and ground connection, and the coupling transformer further includes magnetic core, primary coil and is used for connecting quilt
The secondary coil at test equipment two ends, the magnetic core are made up of upper semi-circle magnet ring and lower semi-circular magnetic ring, and the upper semi-circle magnet ring is
In stalloy semicircle magnet ring, ferrite semicircle magnet ring, Amorphous Cores semicircle magnet ring and iron-base nanometer crystal alloy semicircle magnet ring
One kind, the lower semi-circular magnetic ring are received for stalloy semicircle magnet ring, ferrite semicircle magnet ring, Amorphous Cores semicircle magnet ring and iron-based
The remaining three kinds one kind of rice peritectic alloy semicircle magnet ring.
As above-mentioned technical proposal is used, this utility model has following advantages compared with prior art：
High frequency voltage bonder of this utility model based on mixing magnetic core principle, its MOSFET electrical switch rising front can
3ns is accelerated to, range of application has been widened, and using dipulse injection work(before and after taking energy unit from coupling transformer and main circuit
Rate, without the need for extra power supply, had both greatly reduced electrical switch drive circuit volume, before accelerating electrical switch rising again
Edge, electrical switch drive circuit power demand significantly reduce, and are especially suitable for array MOSFET electrical switches.
Description of the drawings
Accompanying drawing 1 is high frequency voltage coupler structure schematic diagram；
Accompanying drawing 2（a）For existing U-shaped core structure schematic diagram；
Accompanying drawing 2（b）For existing magnetic core excitation impedance component schematic diagram；
Accompanying drawing 3 is core structure schematic diagram one in this utility model high frequency voltage bonder；
Accompanying drawing 4 is core structure schematic diagram two in this utility model high frequency voltage bonder；
Accompanying drawing 5（a）For this utility model magnetic core excitation impedance component schematic diagram one；
Accompanying drawing 5（b）For this utility model magnetic core excitation impedance component schematic diagram two.
In the figures above：1st, square-wave generator；2nd, push-pull circuit；3rd, high-voltage MOS pipe；4th, accelerate NE；5th, couple
Transformator；6th, branch road is driven；7th, small-signal unit is driven；71st, filtration module；72nd, metal-oxide-semiconductor；73rd, the first diode；8th, power
Pipe unit；81st, power tube；9th, main circuit takes energy unit；91st, storage capacitance；92nd, the second diode；93rd, current-limiting resistance.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment is further described to this utility model：
Embodiment：A kind of high frequency voltage bonder based on mixing magnetic core principle, including：The high-tension electricity being sequentially connected in series
Contact and the ground connection of source charging terminal 1, electrical switch 2 and voltage coupler 3, this high voltage power supply charging terminal 1 and electrical switch 2
Between be provided with a discharge capacity, be provided with a resistance, institute between the contact of this electrical switch 2 and voltage coupler 3 and ground connection
State the secondary coil that coupling transformer 4 further includes magnetic core, primary coil and two ends are devices under for connection, the magnetic
Core is made up of upper semi-circle magnet ring and lower semi-circular magnetic ring, the upper semi-circle magnet ring be stalloy semicircle magnet ring, ferrite semicircle magnet ring,
One kind in Amorphous Cores semicircle magnet ring and iron-base nanometer crystal alloy semicircle magnet ring, the lower semi-circular magnetic ring are stalloy semicircle
The remaining three kinds one kind of magnet ring, ferrite semicircle magnet ring, Amorphous Cores semicircle magnet ring and iron-base nanometer crystal alloy semicircle magnet ring.
Fig. 3 is A+B type mixing magnetic core models, and Fig. 4 is AB type mixing magnetic core models；Both corresponding mathematics of mixing magnetic core
Model is respectively such as Fig. 5（a）With 5（b）Shown.In A+B type mixing Magnetic Core Designs, the equivalent impedance of two kinds of magnetic cores is different, exists
Voltage maldistribution phenomenon；In AB type mixing magnetic；
Wherein, the equivalent inductance and resistive component of LA excitation impedances corresponding with RA respectively A type magnetic cores, LB and RB are respectively
The equivalent inductance and resistive component of the corresponding excitation impedance of Type B magnetic core.
During using above-mentioned high frequency voltage bonder based on mixing magnetic core principle, its single transformator can meet multiple frequencies
Rate signal is coupled, and so as to volume and price are minimum, can study which to different frequencies based on the excitation impedance mathematical model of mixing magnet ring
The response characteristic of rate signal, is easy to quantitative Analysis and minute design.
Above-described embodiment only for technology design of the present utility model and feature are described, its object is to allow and be familiar with technique
Personage will appreciate that content of the present utility model and implement according to this, protection domain of the present utility model can not be limited with this.
All equivalence changes that is made according to this utility model spirit or modification, should all cover protection domain of the present utility model it
Interior.
Claims (1)
1. a kind of based on the high frequency voltage bonder for mixing magnetic core principle, it is characterised in that：Including：The high pressure being sequentially connected in series
Power source charges terminal（1）, electrical switch（2）And voltage coupler（3）, this high voltage power supply charging terminal（1）And electrical switch（2）
Contact and ground connection between be provided with a discharge capacity, this electrical switch（2）And voltage coupler（3）Contact and ground connection between
It is provided with a resistance, the coupling transformer（4）Further include magnetic core, primary coil and two ends are devices under for connection
Secondary coil, the magnetic core is made up of upper semi-circle magnet ring and lower semi-circular magnetic ring, and the upper semi-circle magnet ring is stalloy semicircle magnetic
One kind in ring, ferrite semicircle magnet ring, Amorphous Cores semicircle magnet ring and iron-base nanometer crystal alloy semicircle magnet ring, the lower half
Circle magnet ring is stalloy semicircle magnet ring, ferrite semicircle magnet ring, Amorphous Cores semicircle magnet ring and iron-base nanometer crystal alloy semicircle
The remaining three kinds one kind of magnet ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620986308.2U CN206022069U (en) | 2016-08-30 | 2016-08-30 | High frequency voltage bonder based on mixing magnetic core principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620986308.2U CN206022069U (en) | 2016-08-30 | 2016-08-30 | High frequency voltage bonder based on mixing magnetic core principle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206022069U true CN206022069U (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620986308.2U Active CN206022069U (en) | 2016-08-30 | 2016-08-30 | High frequency voltage bonder based on mixing magnetic core principle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106298176A (en) * | 2016-08-30 | 2017-01-04 | 苏州泰思特电子科技有限公司 | High frequency voltage bonder based on mixing magnetic core principle |
-
2016
- 2016-08-30 CN CN201620986308.2U patent/CN206022069U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106298176A (en) * | 2016-08-30 | 2017-01-04 | 苏州泰思特电子科技有限公司 | High frequency voltage bonder based on mixing magnetic core principle |
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