CN206077234U - Self-adaptive electric power electronic transformer - Google Patents
Self-adaptive electric power electronic transformer Download PDFInfo
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- CN206077234U CN206077234U CN201621099010.6U CN201621099010U CN206077234U CN 206077234 U CN206077234 U CN 206077234U CN 201621099010 U CN201621099010 U CN 201621099010U CN 206077234 U CN206077234 U CN 206077234U
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- resonant inductance
- column
- annulus
- shaped projection
- former limit
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Abstract
The utility model discloses a kind of self-adaptive electric power electronic transformer, magnetic core of transformer is annular and is evenly arranged with N number of column-shaped projection respectively annulus is inside and outside, former limit resonant inductance is wound on the N number of column-shaped projection in annulus, former limit resonant inductance is wound on the N number of column-shaped projection outside annulus, or former limit resonant inductance apart windings on the inside and outside column-shaped projection of annulus, secondary resonant inductance is divided into independent N number of subelement, is wound on remaining N number of column-shaped projection respectively；Also include control unit, the resistance value of resistance detection unit detection load is simultaneously transferred to control unit, and the outfan of control unit is connected with N number of switch element, and each switch element is connected with a secondary resonant inductance subelement.This utility model realizes the Auto-matching of output voltage according to the different magnitude of voltage of the output of different sizes of load resistance, improves work efficiency and safety, reduces loss.The design of this utility model magnetic core of transformer reduces leakage field, improves the performance of transformator.
Description
Technical field
This utility model is related to technical field of electric power, more particularly to a kind of self-adaptive electric power electronic transformer.
Background technology
Technics of Power Electronic Conversion technology is mutually tied by electric power electric transformer with the transformation of electrical energy technology based on electromagnetic induction principle
Close, a kind of electric energy of electrical nature is changed into the Novel intelligent transformer of the electric energy of another kind of electrical nature for realization.At present, lead to
Cross and adopt soft switch technique, switching loss when efficiently solving the problems, such as that a large amount of power devices work.But, in a large amount of power device works
When making, with reality of work situation and the change of load, the electric power of needs is also changing, if single output is constant
Electric power, is unfavorable for that system also result in safely the waste of resource.
Utility model content
This utility model is intended at least solve technical problem present in prior art, especially innovatively proposes one kind certainly
Adapt to electric power electric transformer.
In order to realize above-mentioned purpose of the present utility model, this utility model provides a kind of self-adaptive electric power electronic transformer
Device, including primary circuit and secondary circuit composition, the primary circuit are provided with inductance, one end connection unidirectional current of the inductance
One pole of source, other end connection inversion bridge circuit, the inversion bridge circuit include two bridge arms, and the first bridge arm includes first for connecting
Phase point inductance and switching tube, the second bridge arm include the second phase point inductance and the switching tube connected, primary circuit outfan respectively with
Former limit resonant inductance is connected with former limit compensating electric capacity, wherein, the former limit resonant inductance and former limit compensating electric capacity are in parallel, the pair
Side circuit includes secondary resonant inductance, secondary compensating electric capacity, rectifier bridge and load, the secondary resonant inductance and secondary compensation electricity
Hold parallel connection, load is transferred to after the rectified bridge rectification of electric current of the secondary resonant inductance output, is load supplying；The former limit
Resonant inductance and secondary resonant inductance are wound on magnetic core of transformer and carry out energy exchange by magnetic core of transformer, described
Magnetic core of transformer is annular and is evenly arranged with N number of column-shaped projection respectively annulus is inside and outside, and the N is positive integer, in annulus
And the within the chamber of column-shaped projection is filled with permeance fluid, the former limit resonant inductance is wound on the N number of column-shaped projection in annulus,
Or former limit resonant inductance is wound on the N number of column-shaped projection outside annulus, or former limit resonant inductance is in the inside and outside cylindricality of annulus
Apart windings in projection, the secondary resonant inductance are divided into independent N number of subelement, are wound in remaining N number of cylindricality respectively convex
On rising；Also include control unit, described control unit is connected with resistance detection unit, the resistance detection unit detection load
Resistance value is simultaneously transferred to control unit, and the outfan of described control unit is connected with N number of switch element, each switch element with
One secondary resonant inductance subelement is connected.
Self-adaptive electric power electronic transformer of the present utility model is according to the different voltage of the output of different sizes of load resistance
Value, realizes the Auto-matching of output voltage, improves work efficiency and safety, reduce loss.
The design of this utility model magnetic core of transformer reduces leakage field, improves the performance of transformator.
In a kind of preferred implementation of the present utility model, the inside and outside column-shaped projection of the annulus is oppositely arranged.
In another kind of preferred implementation of the present utility model, column-shaped projection of the former limit resonant inductance in annulus
Upper equidistant apart windings, and be wound on the column-shaped projection in annulus outside the relative annulus of vacant column-shaped projection.
The cross winding mode of former limit resonant inductance, reduces leakage field, improves the performance of transformator.
In another kind of preferred implementation of the present utility model, the N is the even number more than 2.
Be conducive to stablizing for transformator.
In another kind of preferred implementation of the present utility model, the switch element is included for field-effect transistor.
In another kind of preferred implementation of the present utility model, on each column-shaped projection, the former limit resonance electricity
Sense and secondary resonant inductance are disposed as single turn, at least include both threads circle per circle, every that ventilation is provided between circle and magnetic core annulus
Gap.
Design per circle at least including both threads circle, it is ensured that the conversion efficiency of magnetic flux to electric power, arranges ventilation gap, it is ensured that
The efficiency of transformator.
In another kind of preferred implementation of the present utility model, each secondary resonant inductance subelement is wound in one
On secondary column-shaped projection, or each secondary resonant inductance subelement is wound on all of secondary column-shaped projection, all of
Secondary resonant inductance subelement is connected in parallel, and each switch element is connected with a secondary resonant inductance subelement.
Each secondary resonant inductance subelement is wound on all of secondary column-shaped projection, all of secondary resonant inductance
Subelement is connected in parallel, and each switch element is connected with a secondary resonant inductance subelement, it is ensured that during load change, transformation
Device stable and improve efficiency.
In another kind of preferred implementation of the present utility model, also including voltage detection unit, the voltage detecting list
The input of unit is connected with the outfan of secondary resonant inductance, the voltage of the outfan of voltage detection unit and the first control unit
Signal input part is connected.Ensure that the stability of transformator output.
Additional aspect of the present utility model and advantage will be set forth in part in the description, partly will be from explained below
In become obvious, or by it is of the present utility model practice recognize.
Description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will from the description with reference to accompanying drawings below to embodiment
Become obvious and easy to understand, wherein：
Fig. 1 is the structural representation of this utility model magnetic core of transformer.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio
Same or similar element or the element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining Description of Drawings is exemplary, is only used for explaining this utility model, and it is not intended that to of the present utility model
Limit.
In description of the present utility model, unless otherwise prescribed and limit, it should be noted that term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be the company of mechanical connection or electrical connection, or two element internals
It is logical, can be joined directly together, it is also possible to be indirectly connected to by intermediary, for the ordinary skill in the art, can
To understand the concrete meaning of above-mentioned term as the case may be.
This utility model provides a kind of self-adaptive electric power electronic transformer, and which includes primary circuit and secondary circuit group
Into primary circuit is provided with inductance, one end one pole of connection DC source of inductance, other end connection inversion bridge circuit, inverter bridge
Circuit includes two bridge arms, and the first bridge arm includes the first phase point inductance and the switching tube connected, the second bridge arm include connecting the
Two-phase point inductance and switching tube, primary circuit outfan are connected with former limit resonant inductance and former limit compensating electric capacity respectively, wherein, it is former
Side resonant inductance and former limit compensating electric capacity are in parallel, and secondary circuit includes secondary resonant inductance, secondary compensating electric capacity, rectifier bridge and bears
Carry, secondary resonant inductance is in parallel with secondary compensating electric capacity, be transferred to after the rectified bridge rectification of electric current of secondary resonant inductance output
Load, is load supplying.
Former limit resonant inductance and secondary resonant inductance are wound on magnetic core of transformer and are carried out by magnetic core of transformer
Energy exchange, as shown in figure 1, in the present embodiment, magnetic core of transformer is the shape of annulus 1 and equal in the inside and outside difference of annulus
Even to be provided with N number of column-shaped projection 2, N is positive integer, and preferred N is the even number more than 2, more electedly, the inside and outside cylindricality of annulus
Raised 2 are oppositely arranged.In the annulus 1 and the within the chamber of column-shaped projection 2 be filled with permeance fluid.Former limit resonant inductance 3 is wound in
On N number of column-shaped projection in annulus, or former limit resonant inductance 3 is wound on the N number of column-shaped projection outside annulus, or former limit is humorous
Shake the apart windings on the inside and outside column-shaped projection of annulus of inductance 3, and 4 points of secondary resonant inductance is independent N number of subelement, respectively
It is wound on remaining N number of column-shaped projection.Preferably, between former limit resonant inductance 3 is equidistant on the column-shaped projection in annulus
Every winding, and it is wound on the column-shaped projection in annulus outside the relative annulus of vacant column-shaped projection.It is highly preferred that with annulus
Any one column-shaped projection starts, and former limit resonant inductance 3 winds one on the column-shaped projection in annulus, vacant one, winding
One, vacant one, until last column-shaped projection, outside annulus, is wound in the relative circle of vacant column-shaped projection in annulus
On column-shaped projection outside ring.
The structure being finally wound is as shown in figure 1, certainly, in FIG, can also wind former limit resonant inductance on annulus
3 and secondary resonant inductance 4, such as former limit resonant inductance 3 is conjointly wrapped on column-shaped projection and annulus, and secondary resonant inductance
4 subelement is wrapped on column-shaped projection and its one section of connected annulus.
In the present embodiment, control unit is additionally provided with, the control unit is connected with resistance detection unit, resistance detection
The resistance value of unit detection load is simultaneously transferred to control unit, and the method for the resistance value of concrete resistance detection unit detection load is adopted
With prior art, such as electric resistance partial pressure detection method, will not be described here.The outfan of control unit is connected with N number of switch element,
Preferably, switch element is included for field-effect transistor.Each switch element is connected with a secondary resonant inductance subelement,
Magnitude of voltage corresponding with resistance value is preset with control unit, after the resistance value of load is detected, opening for respective numbers is controlled
Close and close, export the magnitude of voltage corresponding with resistance value.
Self-adaptive electric power electronic transformer of the present utility model is according to the different voltage of the output of different sizes of load resistance
Value, realizes the Auto-matching of output voltage, improves work efficiency and safety, reduce loss.
In the present embodiment, on each column-shaped projection, former limit resonant inductance and secondary resonant inductance are disposed as
Single turn, at least includes both threads circle per circle, every to be provided with ventilation gap between circle and magnetic core annulus.At least include both threads circle per circle
Design, it is ensured that the conversion efficiency of magnetic flux to electric power, arrange ventilation gap, it is ensured that the efficiency of transformator.
In the present embodiment, each secondary resonant inductance subelement is wound on a secondary column-shaped projection, or
Each secondary resonant inductance subelement is wound on all of secondary column-shaped projection, and all of secondary resonant inductance subelement is simultaneously
Connection connection, each switch element are connected with a secondary resonant inductance subelement.When proof load changes, transformator is stablized
And improve efficiency.
In the other preferred implementation of this utility model, the second control unit can also be set, second control is single
The outfan of unit is connected with the output control terminal of DC source, and the second control unit receives the electricity of resistance detection unit detection load
Resistance simultaneously controls the output valve of DC source, simultaneously or independently in the regulative mode that secondary voltage is controlled by switch element,
Ensure that the size stable regulation of output voltage.
In the present embodiment, voltage detection unit, the input and secondary of the voltage detection unit are also provided with
The outfan of resonant inductance is connected, the magnitude of voltage of voltage detection unit detection secondary output, the outfan of voltage detection unit with
Control unit is connected with the voltage signal inputs of the second control unit, the magnitude of voltage transmission that secondary is exported by voltage detection unit
To control unit and the second control unit, voltage detecting value and preset value are contrasted by control unit and the second control unit,
According to comparing result output control order, for example, when finding that voltage sample value is big, control unit opens part secondary output
The switch of winding, the second control unit reduce the output voltage of DC source, certainly, the secondary output of concrete each step section
The changing value of the output voltage of the quantity and DC source of sub- winding can be set according to practical situation.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
Example ", or the description of " some examples " etc. mean specific features with reference to the embodiment or example description, structure, material or spy
Point is contained at least one embodiment of the present utility model or example.In this manual, the schematic table to above-mentioned term
State and be not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can be
Combined in one or more any embodiment or example in an appropriate manner.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that：
Various changes, modification, replacement can be carried out to these embodiments in the case of without departing from principle of the present utility model and objective
And modification, scope of the present utility model limited by claim and its equivalent.
Claims (9)
1. a kind of self-adaptive electric power electronic transformer, including primary circuit and secondary circuit composition, the primary circuit are provided with
Inductance, one end one pole of connection DC source of the inductance, other end connection inversion bridge circuit, the inversion bridge circuit include two
Individual bridge arm, the first bridge arm include the first phase point inductance and the switching tube connected, and the second bridge arm includes the second phase point inductance connected
And switching tube, primary circuit outfan is connected with former limit resonant inductance and former limit compensating electric capacity respectively, wherein, the former limit resonance
Inductance and former limit compensating electric capacity are in parallel, and the secondary circuit includes secondary resonant inductance, secondary compensating electric capacity, rectifier bridge and bears
Carry, the secondary resonant inductance is in parallel with secondary compensating electric capacity, the rectified bridge rectification of electric current of the secondary resonant inductance output
After be transferred to load, be load supplying；
Characterized in that, the former limit resonant inductance and secondary resonant inductance are wound on magnetic core of transformer and by transformation
Device magnetic core carries out energy exchange, and the magnetic core of transformer is annular and inside and outside to be evenly arranged with N number of cylindricality respectively convex in annulus
Rise, the N is positive integer, and the former limit resonant inductance is wound on the N number of column-shaped projection in annulus, or former limit resonant inductance
It is wound on the N number of column-shaped projection outside annulus, or former limit resonant inductance apart windings on the inside and outside column-shaped projection of annulus,
The secondary resonant inductance is divided into independent N number of subelement, is wound on remaining N number of column-shaped projection respectively；
Also include control unit, described control unit is connected with resistance detection unit, the resistance detection unit detection load
Resistance value is simultaneously transferred to control unit, and the outfan of described control unit is connected with N number of switch element, each switch element with
One secondary resonant inductance subelement is connected.
2. self-adaptive electric power electronic transformer according to claim 1, it is characterised in that in the annulus and cylindricality is convex
The within the chamber for rising is filled with permeance fluid.
3. self-adaptive electric power electronic transformer according to claim 1, it is characterised in that on each column-shaped projection,
The former limit resonant inductance and secondary resonant inductance are disposed as single turn, at least include both threads circle per circle, justify with magnetic core per circle
Ventilation gap is provided between ring.
4. self-adaptive electric power electronic transformer according to claim 1, it is characterised in that the inside and outside cylindricality of the annulus
Projection is oppositely arranged.
5. self-adaptive electric power electronic transformer according to claim 1, it is characterised in that the former limit resonant inductance is being justified
Equidistant apart windings on column-shaped projection in ring, and the cylindricality being wound in annulus outside the relative annulus of vacant column-shaped projection
In projection.
6. self-adaptive electric power electronic transformer according to claim 1, it is characterised in that the N is the even number more than 2.
7. self-adaptive electric power electronic transformer according to claim 1, it is characterised in that the switch element is included for field
Effect transistor.
8. self-adaptive electric power electronic transformer according to claim 1, it is characterised in that each secondary resonant inductance
Unit is wound on a secondary column-shaped projection, or each secondary resonant inductance subelement is wound in all of secondary cylindricality
In projection, all of secondary resonant inductance subelement is connected in parallel, and each switch element and secondary resonant inductance are single
Unit is connected.
9. self-adaptive electric power electronic transformer according to claim 1, it is characterised in that also including voltage detection unit,
The input of the voltage detection unit is connected with the outfan of secondary resonant inductance, the outfan of voltage detection unit and first
The voltage signal inputs of control unit are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621099010.6U CN206077234U (en) | 2016-10-07 | 2016-10-07 | Self-adaptive electric power electronic transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621099010.6U CN206077234U (en) | 2016-10-07 | 2016-10-07 | Self-adaptive electric power electronic transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206077234U true CN206077234U (en) | 2017-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621099010.6U Expired - Fee Related CN206077234U (en) | 2016-10-07 | 2016-10-07 | Self-adaptive electric power electronic transformer |
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| Country | Link |
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| CN (1) | CN206077234U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253691A (en) * | 2016-10-07 | 2016-12-21 | 吴继成 | A kind of self-adaptive electric power electronic transformer |
-
2016
- 2016-10-07 CN CN201621099010.6U patent/CN206077234U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253691A (en) * | 2016-10-07 | 2016-12-21 | 吴继成 | A kind of self-adaptive electric power electronic transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170405 Termination date: 20171007 |
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| CF01 | Termination of patent right due to non-payment of annual fee |