CN206775390U - A kind of crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant converter - Google Patents
A kind of crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant converter Download PDFInfo
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- CN206775390U CN206775390U CN201720519493.9U CN201720519493U CN206775390U CN 206775390 U CN206775390 U CN 206775390U CN 201720519493 U CN201720519493 U CN 201720519493U CN 206775390 U CN206775390 U CN 206775390U
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 260
- 238000004804 winding Methods 0.000 claims description 106
- 238000010276 construction Methods 0.000 claims description 33
- 229910052742 iron Inorganic materials 0.000 claims description 18
- 230000005611 electricity Effects 0.000 claims description 16
- 230000009466 transformation Effects 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000005284 excitation Effects 0.000 claims description 3
- 230000002457 bidirectional effect Effects 0.000 abstract description 3
- 238000000844 transformation Methods 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- XWHPIFXRKKHEKR-UHFFFAOYSA-N iron silicon Chemical compound [Si].[Fe] XWHPIFXRKKHEKR-UHFFFAOYSA-N 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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Abstract
The utility model provides a kind of crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant converter, is related to applied power electronics technical field.Two-way full-bridge LLC resonant converter including two-way crisscross parallel；The two-way full-bridge LLC resonant converter of the first via includes the first primary circuit, the first secondary circuit and resonance transformer and its magnetizing inductance；The two-way full-bridge LLC resonant converter in second tunnel includes the second primary circuit, the second secondary circuit and resonance transformer and its magnetizing inductance；Primary circuit and secondary circuit per the two-way full-bridge LLC resonant converter in road use full-bridge type LLC resonance circuits, for realizing two-way circulating for energy；Two resonance transformers and its magnetizing inductance and four resonant inductances in the two-way full-bridge LLC resonant converter of two-way crisscross parallel realize that magnetic integrates using integrated magneticses.The utility model can realize high-power, high no-load voltage ratio, small size and the operation of bidirectional high-efficiency rate of electric energy.
Description
Technical field
It the utility model is related to applied power electronics technical field, more particularly to a kind of crisscross parallel magnetic integrated bi-directional full-bridge
LLC resonant converter.
Background technology
In recent years, the Switching Power Supply of electric energy is provided just towards low-voltage, high current, small volume, again for various electrical equipments
Measure light, efficiency high, slimming and integrated direction development, including the central processing unit (Central for computer
Processing Unit, CPU) and the high accuracy such as digital signal processor (Digital Signal Processing, DSP),
High speed microprocessor provide precision voltage source voltage regulator module, and rising in recent years be widely used in electric automobile,
Hybrid electric vehicle, uninterrupted power source, quality of power supply regulation power supply, airplane power source, generation of electricity by new energy and superconducting energy storage etc. need energy
Measure two-way flow occasion two-way switch power supply, these Switching Power Supplies by using LLC converters topological structure so that switch
Pipe can realize ZVS in full-load range, because the converter secondary does not have filter inductance, so if whole using full-bridge
Stream, the voltage stress of commutation diode is only output voltage, and can realize ZCS, so as to reduce switching loss.In addition, it is
Reduce the volume of LLC resonant converter, it is necessary to which its resonance transformer and resonant inductance are carried out into Integration Design.
LLC converters under prior art use half-bridge structure mostly, can only unidirectional operation, magnetic is integrated also simply to be realized
Single transformer and single inductance it is integrated, it is difficult to realize high-power, the high no-load voltage ratio of LLC resonant converter, small size and two-way
High-efficiency operation.
Utility model content
The defects of for prior art, the utility model provide a kind of crisscross parallel magnetic integrated bi-directional full-bridge LLC resonance and become
Parallel operation, realizes the crisscross parallel of full-bridge LLC resonant converter, and way traffic after crisscross parallel and magnetic integrate, and realize
High-power, high no-load voltage ratio, small size and the operation of bidirectional high-efficiency rate of LLC resonant converter.
A kind of crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant converter, include the two-way full-bridge LLC of two-way crisscross parallel
Controlled resonant converter, the resonance transformer and resonant inductance in the two-way full-bridge LLC resonant converter of two-way crisscross parallel are using collection
Realize that magnetic integrates into magnetic part；It is harmonious that the two-way full-bridge LLC resonant converter of the first via includes the first primary circuit, the first secondary circuit
Shake transformer TR1And its magnetizing inductance Lm1；First primary circuit includes power switch tube S11~S14, resonant inductance L11And resonance
Electric capacity C11；First secondary circuit includes power switch tube S15~S18, resonant inductance L12With resonant capacitance C12；Second tunnel is two-way complete
Bridge LLC resonant converter includes the second primary circuit, the second secondary circuit and resonance transformer TR2And its magnetizing inductance Lm2；The
Two primary circuits include power switch tube S21~S24, resonant inductance L21With resonant capacitance C21；Second secondary circuit is opened including power
Close pipe S25~S28, resonant inductance L22With resonant capacitance C22；Per the primary circuit and secondary of the two-way full-bridge LLC resonant converter in road
Circuit uses full-bridge type LLC resonance circuits, for realizing two-way circulating for energy.
Further, a kind of scheme is that crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant converter also includes two inputs
Electric capacity C1And C2, input capacitance C1And C2Series connection, the input capacitance C after series connection1It is connected to the two-way full-bridge LLC resonant transformations of the first via
Two inputs of device, input capacitance C2It is connected to two inputs of the two-way full-bridge LLC resonant converter in the second tunnel.
Another scheme is that crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant converter also includes intermediate capacitance C and two-way
The integrated two-way Buck/Boost converters of crisscross parallel magnetic；The two-way Buck/Boost converters of the first via include power switch pipe
S1、S2With inductance L1, the two-way Buck/Boost converters in the second tunnel include power switch tube S 3, S4 and inductance L2；The first via is two-way
The inductance L of Buck/Boost converters1With the inductance L of the two-way Buck/Boost converters in the second tunnel2Carry out reverse magnetic coupling, shape
Coupling inductance is integrated into magnetic；The output end of the two-way Buck/Boost converters of two-way after crisscross parallel is in parallel with intermediate capacitance C,
The input of the two-way full-bridge LLC resonant converter of the two-way crisscross parallel is both connected to intermediate capacitance C both ends.
Or crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant converter also includes intermediate capacitance C and two-way crisscross parallel
The integrated two-way Buck/Boost converters of magnetic, the two-way Buck/Boost converters of the first via include power switch tube S1、S2And electricity
Feel L1, the two-way Buck/Boost converters in the second tunnel include power switch tube S3、S4With inductance L1；The two-way Buck/ of the first via
The inductance L of Boost1With the inductance L of the two-way Buck/Boost converters in the second tunnel2Reverse magnetic coupling is carried out, forms magnetic collection
Into coupling inductance；The input of the two-way Buck/Boost converters of two-way after crisscross parallel is in parallel with intermediate capacitance C, and described two
The output end of the two-way full-bridge LLC resonant converter of road crisscross parallel is both connected to intermediate capacitance C both ends.
Further, the resonance transformer magnetic in the two-way full-bridge LLC resonant converter of the two-way crisscross parallel is realized
Integrated integrated magneticses are resonance transformer integrated magneticses, in the two-way full-bridge LLC resonant converter of two-way crisscross parallel
Resonance transformer TR1And its magnetizing inductance Lm1With resonance transformer TR2And its magnetizing inductance Lm2Magnetic integrate；Realize described two
The integrated magneticses that resonant inductance magnetic in the two-way full-bridge LLC resonant converter of road crisscross parallel integrates integrate magnetic for resonant inductance
Part, for the resonant inductance L in the two-way full-bridge LLC resonant converter of two-way crisscross parallel11、L21Magnetic is integrated and resonance electricity
Feel L12、L22Magnetic integrate；
The iron core of the resonance transformer integrated magneticses is " EE " shape core construction, including " E " shape that two panels magnetic pole is relative
Iron core, there is no air gap between two panels " E " shape center pillar unshakable in one's determination, air gap is equipped between the magnetic pole of downside between the magnetic pole of upside；Institute
State and distinguish coiling N in the upside magnetic pole of two panels " E " shape iron core of " EE " shape core construction11、N12Winding is to form resonance transformer
TR1And its magnetizing inductance Lm1, coiling N respectively in the magnetic pole of downside21、N22Winding is to form resonance transformer TR2And its magnetizing inductance
Lm2；
The iron core of the resonant inductance integrated magneticses is " EI " shape core construction, including a piece of " E " shape is " I " unshakable in one's determination and a piece of
Shape is unshakable in one's determination, and " I " shape iron core is positioned over " E " shape open side unshakable in one's determination, between " E " shape three magnetic poles unshakable in one's determination and " I " shape iron core
Provided with air gap；Coiling winding is to form resonant inductance L in " E " shapes of resonant inductance integrated magneticses upside magnetic pole unshakable in one's determination11
Or L12, coiling winding is to form resonant inductance L in the magnetic pole of downside21Or L22。
Further, the resonance transformer magnetic in the two-way full-bridge LLC resonant converter of the two-way crisscross parallel is realized
Integrated integrated magneticses are resonance transformer integrated magneticses, in the two-way full-bridge LLC resonant converter of two-way crisscross parallel
Resonance transformer TR1And its magnetizing inductance Lm1With resonance transformer TR2And its magnetizing inductance Lm2Magnetic integrate；Realize described two
The integrated magneticses that resonant inductance magnetic in the two-way full-bridge LLC resonant converter of road crisscross parallel integrates integrate magnetic for resonant inductance
Part, for the resonant inductance L in the two-way full-bridge LLC resonant converter of two-way crisscross parallel11、L21Magnetic is integrated and resonance electricity
Feel L12、L22Magnetic integrate；
The iron core of the resonance transformer integrated magneticses and the iron core of resonant inductance integrated magneticses are including a piece of " ten "
The core construction of shaped iron core and two panels " E " shape iron core, " ten " shaped iron core are placed in relative " E " the shape iron core of two panels magnetic pole
Between；
The left and right two of two panels " E " shape of resonance transformer integrated magneticses center pillar unshakable in one's determination and its " ten " shaped iron core
There is no air gap between horizontal yoke, two panels " E " shapes of resonance transformer integrated magneticses up or down side magnetic pole unshakable in one's determination and its " ten "
Air gap is provided between the up or down side magnetic pole of shaped iron core；The upside of " ten " shaped iron core of the resonance transformer integrated magneticses
Coiling N is distinguished in magnetic pole11、N12Winding is to form resonance transformer TR1And its magnetizing inductance Lm1, coiling respectively in the magnetic pole of downside
N21、N22Winding is to form resonance transformer TR2And its magnetizing inductance Lm2；
The horizontal stroke of left and right two of two panels " E " shape of resonant inductance integrated magneticses center pillar unshakable in one's determination and its " ten " shaped iron core
Air gap, the up or down side magnetic pole and its " ten " font of two panels " E " shape iron core of the resonant inductance integrated magneticses are provided between yoke
Air gap is provided between up or down side magnetic pole unshakable in one's determination；In the upside magnetic pole of " ten " shaped iron core of the resonant inductance integrated magneticses
Coiling winding is to form resonant inductance L11Or L12, coiling winding is to form resonant inductance L in the magnetic pole of downside21Or L22。
Further, the resonance transformer magnetic in the two-way full-bridge LLC resonant converter of the two-way crisscross parallel is realized
Integrated integrated magneticses are resonance transformer integrated magneticses, in the two-way full-bridge LLC resonant converter of two-way crisscross parallel
Resonance transformer TR1And its magnetizing inductance Lm1With resonance transformer TR2And its magnetizing inductance Lm2Magnetic integrate；Realize described two
The integrated magneticses that resonant inductance magnetic in the two-way full-bridge LLC resonant converter of road crisscross parallel integrates integrate magnetic for resonant inductance
Part, for the resonant inductance L in the two-way full-bridge LLC resonant converter of two-way crisscross parallel11、L21Magnetic is integrated and resonance electricity
Feel L12、L22Magnetic integrate；
The iron core of the resonance transformer integrated magneticses and the iron core of resonant inductance integrated magneticses are including a piece of " ten "
Shaped iron core and two panels " [" shape core construction unshakable in one's determination, " ten " shaped iron core be placed on two panels opening it is relative " in [" shape iron core
Between；
Two panels " [" shape middle part unshakable in one's determination and the left and right two of its " ten " shaped iron core of the resonance transformer integrated magneticses
There is no air gap, two panels " [" shape up or down side magnetic pole unshakable in one's determination and its " ten " of the resonance transformer integrated magneticses between horizontal yoke
Air gap is provided between the up or down side magnetic pole of shaped iron core；The upside of " ten " shaped iron core of the resonance transformer integrated magneticses
Coiling N in magnetic pole11、N12Winding is to form resonance transformer TR1And its magnetizing inductance Lm1, coiling N in the magnetic pole of downside21、N22Winding
To form resonance transformer TR2And its magnetizing inductance Lm2；
Two panels " [" shape middle part unshakable in one's determination and the horizontal stroke of left and right two of its " ten " shaped iron core of the resonant inductance integrated magneticses
Air gap, two panels " [" shape up or down side magnetic pole unshakable in one's determination and its " ten " font of the resonant inductance integrated magneticses are provided between yoke
Air gap is provided between up or down side magnetic pole unshakable in one's determination；In the upside magnetic pole of " ten " shaped iron core of the resonant inductance integrated magneticses
Coiling winding is to form resonant inductance L11Or L12, coiling winding is to form resonant inductance L in the magnetic pole of downside21Or L22。
Further, realize resonance transformer in the two-way full-bridge LLC resonant converter of the two-way crisscross parallel and
The integrated integrated magneticses of resonant inductance magnetic are the fully integrated magnetic part of crisscross parallel, and the two-way full-bridge LLC for two-way crisscross parallel is humorous
The resonance transformer T to shake in converterR1And its magnetizing inductance Lm1, resonance transformer TR2And its magnetizing inductance Lm2With four resonance
Inductance L11、L12、L21、L22Magnetic integrate；
The iron core of the fully integrated magnetic part of crisscross parallel includes two panels " E " shape iron core and two panels " I " shape is unshakable in one's determination, two panels " E "
Shape magnetic pole unshakable in one's determination is staggered relatively, forms " EE " shape core construction, does not have air gap between two panels " E " shape center pillar unshakable in one's determination, on
Between the magnetic pole of side air gap is equipped between the magnetic pole of downside；Two panels " I " shape iron core is vertically arranged in " EE " the shape core construction respectively
Up and down among two windows；Distinguish coiling N in two panels " E " shape of " EE " shape core construction upside magnetic pole unshakable in one's determination11、
N12Winding is to form resonance transformer TR1And its magnetizing inductance Lm1, coiling N respectively in the magnetic pole of downside21、N22Winding is humorous to be formed
Shake transformer TR2And its magnetizing inductance Lm2。N11And N12Winding or N21And N22Magnetic field caused by winding can not be mutually all by right
Side, some respective magnetic field are returned by " I " the shape iron core being placed in described " EE " shape core construction top or lower window
Return, form leakage magnetic fluxWithOr leakage magnetic fluxWithEach self-forming leakage inductance forms resonant inductance respectively as resonant inductance
L11And L12Or resonant inductance L21And L22。
Further, realize resonance transformer in the two-way full-bridge LLC resonant converter of the two-way crisscross parallel and
The integrated integrated magneticses of resonant inductance magnetic are the fully integrated magnetic part of crisscross parallel, and the two-way full-bridge LLC for two-way crisscross parallel is humorous
The resonance transformer T to shake in converterR1And its magnetizing inductance Lm1, resonance transformer TR2And its magnetizing inductance Lm2With four resonance
Inductance L11、L12、L21、L22Magnetic integrate；
The iron core of the fully integrated magnetic part of crisscross parallel includes four " E " shapes iron cores, wherein two panels " E " shape magnetic pole unshakable in one's determination
It is staggered relatively, form " EE " shape core construction, there is no air gap between two panels " E " shape center pillar unshakable in one's determination, between the magnetic pole of upside and
Air gap is equipped between the magnetic pole of downside；Coiling respectively in two panels " E " shape of " EE " shape core construction upside magnetic pole unshakable in one's determination
N11、N12Winding is to form resonance transformer TR1And its magnetizing inductance Lm1, coiling N respectively in the magnetic pole of downside21、N22Winding is to form
Resonance transformer TR2And its magnetizing inductance Lm2；3rd " E " shape opening direction direction " EE " shape iron core coiling N unshakable in one's determination11、N12
The side of winding is placed, should " E " shape three magnetic poles unshakable in one's determination upside magnetic pole unshakable in one's determination with " EE " shape two panels " E " shape unshakable in one's determination
Between be equipped with air gap；N11Winding and N12Magnetic field caused by winding can not all pass through mutually other side, some respective magnetic field
Returned by the 3rd " E " shape magnetic pole unshakable in one's determination, form leakage magnetic fluxWithEach self-forming leakage inductance is as resonant inductance, difference
Form resonant inductance L11And L12；Opening direction direction " EE " shape iron core coiling N of the 4th " E " shaped iron core21、N22Winding
Side is placed, between the downside magnetic pole for two panels " E " shape iron core for being somebody's turn to do " E " shape three magnetic poles unshakable in one's determination and " EE " shape iron core
Provided with air gap；N21Winding and N22Magnetic field caused by winding can not be mutually all by other side, and some respective magnetic field passes through the
Four " E " shapes magnetic pole unshakable in one's determination returns, and forms leakage magnetic fluxWithEach self-forming leakage inductance is formed humorous respectively as resonant inductance
Shake inductance L21And L22。
Further, realize resonance transformer in the two-way full-bridge LLC resonant converter of the two-way crisscross parallel and
The integrated integrated magneticses of resonant inductance magnetic are the fully integrated magnetic part of crisscross parallel, and the two-way full-bridge LLC for two-way crisscross parallel is humorous
The resonance transformer T to shake in converterR1And its magnetizing inductance Lm1, resonance transformer TR2And its magnetizing inductance Lm2With four resonance
Inductance L11、L12、L21、L22Magnetic integrate；
" EE " shape that the iron core of the fully integrated magnetic part of crisscross parallel includes being arranged in order before and after three groups is unshakable in one's determination, every group " EE "
Gas is equipped between three magnetic poles of two panels " E " shape two panels " E " shape iron core unshakable in one's determination placed, placed up and down up and down in shape iron core
Gap；Three groups of " EE " shape iron cores are followed successively by that first group of " EE " shape is unshakable in one's determination, second group of " EE " shape is unshakable in one's determination and the 3rd group " EE " from front to back
Shape is unshakable in one's determination；Described first group of " EE " shape upper piece iron core unshakable in one's determination and second group of " EE " shape upper piece the same side magnetic pole unshakable in one's determination unshakable in one's determination
Upper common coiling N11Winding, the same side for the bottom sheet iron core that second group of " EE " shape iron core bottom sheet is unshakable in one's determination and the 3rd group of " EE " shape is unshakable in one's determination
Common coiling N in magnetic pole12Winding, N11Winding and N12Winding is located at the same side, on second group of " EE " shape upper piece iron core unshakable in one's determination
N11N on winding and bottom sheet iron core12Winding forms resonance transformer TR1And its magnetizing inductance Lm1, first group of " EE " shape be unshakable in one's determination
N on upper piece iron core11Winding forms resonant inductance L11, the N on the 3rd group of " EE " shape bottom sheet iron core unshakable in one's determination12Winding forms humorous
Shake inductance L12；On first group of " EE " shape upper piece iron core unshakable in one's determination and second group of " EE " shape upper piece opposite side magnetic pole unshakable in one's determination unshakable in one's determination altogether
With coiling N21Winding, the opposite side magnetic pole for the bottom sheet iron core that second group of " EE " shape iron core bottom sheet is unshakable in one's determination and the 3rd group of " EE " shape is unshakable in one's determination
Upper common coiling N22Winding, N21Winding and N22Winding is located at the same side, the N on second group of " EE " shape upper piece iron core unshakable in one's determination21Around
N in group and bottom sheet iron core22Winding forms resonance transformer TR2And its magnetizing inductance Lm2, first group of " EE " shape it is unshakable in one's determination upper piece
N on iron core21Winding forms resonant inductance L21, the N on the 3rd group of " EE " shape bottom sheet iron core unshakable in one's determination22Winding forms resonance electricity
Feel L22。
As shown from the above technical solution, the beneficial effects of the utility model are：One kind provided by the utility model is interlocked
Magnetic integrated bi-directional full-bridge LLC resonant converter in parallel, by the crisscross parallel of two-way full-bridge LLC resonant converter, and staggeredly
Way traffic and magnetic after parallel connection integrate, and realize high-power, high no-load voltage ratio, small size and the bidirectional high-efficiency of LLC resonant converter
Rate is run.
Two-way or the two-way parallel running of multichannel full-bridge LLC resonant converter, the power and capacity of converter expand at double, real
The forward and reverse transmission of high voltage of existing electric energy；By carrying out Interleaved control and road shielding control, load to the converter of multi-channel parallel
It is required that when high-power, multi-channel converter puts into operation simultaneously, during load request small-power, reduces the way of converter work, carries
The efficiency of high converter especially light-load efficiency；The input of crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant converter is in parallel
The input capacitance of two series connection, when the high-pressure side input voltage of converter is higher, reduces the pressure-resistant of power switch pipe, and bearing entirely
LLC resonant transformations are realized in the range of load, so as to reduce switching loss, improve efficiency；The high input voltage side voltage of converter is higher
And in the case that excursion is wider, the input of crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant converter is in parallel one
Crisscross parallel magnetic integrated bi-directional Buck/Boost converters, or the low pressure outlet side voltage of converter are relatively low and excursion is wider
In the case of, an output end crisscross parallel magnetic in parallel for crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant converter integrates
Two-way Buck/Boost converters, can reduce the pressure-resistant of power switch pipe, and LLC resonant transformations are realized in full-load range, realize
The ZVT (ZVS) of power switch pipe.Integrated magnetic, will be humorous in the two-way full-bridge LLC resonant converter of crisscross parallel
Shake transformer and resonant inductance realizes that magnetic integrates, reduce volume and the loss of converter.
Brief description of the drawings
Fig. 1 is the electricity for the crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant converter that the utility model embodiment one provides
Road topological diagram；
Fig. 2 is the interlaced series parallel magnetic integrated bi-directional full-bridge LLC resonant converter that the utility model embodiment two provides
Circuit topology figure；
Fig. 3 is the compound crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant transformations that the utility model embodiment three provides
The circuit topology figure of device；
Fig. 4 is the compound crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant transformations that the utility model embodiment four provides
Device circuit topology figure；
Fig. 5 is the structural representation for the resonance transformer integrated magneticses that the utility model embodiment one provides；
Fig. 6 is the structural representation for the resonant inductance integrated magneticses that the utility model embodiment one provides；
Fig. 7 is the structural representation for the resonance transformer integrated magneticses that the utility model embodiment two provides；
Fig. 8 is the structural representation for the resonant inductance integrated magneticses that the utility model embodiment two provides；
Fig. 9 is the structural representation for the resonance transformer integrated magneticses that the utility model embodiment three provides；
Figure 10 is the structural representation for the resonant inductance integrated magneticses that the utility model embodiment three provides；
Figure 11 is that the resonance transformer of the offer of the utility model embodiment four and the structure of the fully integrated magnetic part of resonant inductance are shown
It is intended to；
Figure 12 is that the resonance transformer of the offer of the utility model embodiment five and the structure of the fully integrated magnetic part of resonant inductance are shown
It is intended to；
Figure 13 is that the resonance transformer of the offer of the utility model embodiment six and the structure of the fully integrated magnetic part of resonant inductance are shown
It is intended to.
In figure：1st, resonance transformer T is formedR1And its magnetizing inductance Lm1With resonance transformer TR2And its magnetizing inductance Lm2's
The iron core of integrated magneticses；2nd, resonant inductance L is formed11And L21Integrated magneticses iron core；3rd, resonant inductance L is formed12And L22Collection
Into the iron core of magnetic part；4th, " E " shape is unshakable in one's determination；5th, " I " shape is unshakable in one's determination；6th, " ten " shaped iron core；7th, " [" shape is unshakable in one's determination；8th, " EE " shape is unshakable in one's determination
Window.
Embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to the scope of the utility model.
Embodiment one：
A kind of crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant converter, as shown in figure 1, including two-way crisscross parallel
LLC resonant converter, resonance transformer and resonant inductance difference in the two-way full-bridge LLC resonant converter of two-way crisscross parallel
Realize that magnetic integrates using integrated magneticses；The two-way full-bridge LLC resonant converter of the first via includes the first primary circuit, the first secondary electricity
Road and resonance transformer TR1And its magnetizing inductance Lm1；First primary circuit includes power switch tube S11~S14, resonant inductance L11
With resonant capacitance C11；First secondary circuit includes power switch tube S15~S18, resonant inductance L12With resonant capacitance C12；Second tunnel
Two-way full-bridge LLC resonant converter includes the second primary circuit, the second secondary circuit and resonance transformer TR2And its magnetizing inductance
Lm2；Second primary circuit includes power switch tube S21~S24, resonant inductance L21With resonant capacitance C21；Second secondary circuit includes
Power switch tube S25~S28, resonant inductance L22With resonant capacitance C22；Per the primary circuit of the two-way full-bridge LLC resonant converter in road
Full-bridge type LLC resonance circuits are employed with secondary circuit, realize two-way circulating for energy；The two-way full-bridge LLC of this two-way is humorous
The converter that shakes carries out crisscross parallel, the input connection high voltage direct current of the two-way full-bridge LLC resonant converter after crisscross parallel
Source VH, output end connection low-voltage dc power supply VL.Resonance transformer TR1And its magnetizing inductance Lm1With resonance transformer TR2And its encourage
Magnetoelectricity sense Lm2It is integrated on iron core 1, resonant inductance L11、L21It is integrated on iron core 2, resonant inductance L12、L22It is integrated in iron core 3
On.Thus a kind of crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant converter is formed, it is humorous to two-way two-way full-bridge LLC in parallel
The converter that shakes carries out Interleaved control.The Interleaved control refers to the Interleaved control to two-way full-bridge LLC resonant converter, i.e., two
The phase of the control signal of the power switch pipe of road LLC resonant converter differs 90 degree, differs for 1/4 cycle in other words.This implementation
The two-way crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant converter of example can expand to more than three tunnels or three tunnels.
Realize that the resonance transformer magnetic in the two-way full-bridge LLC resonant converter of the two-way crisscross parallel is integrated to integrate
Magnetic part is resonance transformer integrated magneticses, for the resonance transformation in the two-way full-bridge LLC resonant converter of two-way crisscross parallel
Device TR1And its magnetizing inductance Lm1With resonance transformer TR2And its magnetizing inductance Lm2Magnetic integrate.Resonance transformer integrated magneticses
Iron core, i.e., resonance transformer T shown in Fig. 1R1And its magnetizing inductance Lm1With resonance transformer TR2And its magnetizing inductance Lm2It is integrated
The iron core 1 of magnetic part, it is " EE " shape core construction, as shown in figure 5, including relative " E " the shape iron core 4 of two panels magnetic pole, two panels " E " shape
There is no air gap between the center pillar of iron core 4, air gap is equipped between the magnetic pole of downside between the magnetic pole of upside." EE " shape knot unshakable in one's determination
Coiling N is distinguished in structure in the upside magnetic pole of two panels " E " shape iron core 411、N12Winding is to form resonance transformer TR1And its excitation electricity
Feel Lm1, coiling N respectively in the magnetic pole of downside21、N22Winding is to form resonance transformer TR2And its magnetizing inductance Lm2。
Realize the integrated magnetic that the resonant inductance magnetic in the two-way full-bridge LLC resonant converter of the two-way crisscross parallel integrates
Part is resonant inductance integrated magneticses, for the resonant inductance L in the two-way full-bridge LLC resonant converter of two-way crisscross parallel11、
L21Magnetic is integrated and resonant inductance L12、L22Magnetic integrate.The iron core of resonant inductance integrated magneticses, i.e., resonant inductance shown in Fig. 1
L11、L21Integrated magneticses iron core 2 or resonant inductance L12、L22Integrated magneticses iron core 3, be " EI " shape core construction, such as scheme
Shown in 6, including a piece of " E " shape iron core 4 and a piece of " I " shape iron core 5, " I " shape iron core 5 are positioned over the open side of " E " shape iron core 4,
Air gap is equipped between three magnetic poles and " I " shape iron core 5 of " E " shape iron core 4." E " the shape iron core 4 of resonant inductance integrated magneticses
Coiling winding is to form resonant inductance L in the magnetic pole of upside11Or L12, coiling winding is to form resonant inductance L in the magnetic pole of downside21Or
L22。
In specific implementation, the iron core 1 of the integrated magneticses of resonance transformer can also use " EI " shape shown in Fig. 6 unshakable in one's determination
Structure, the iron core 2 or 3 of the integrated magneticses of resonant inductance can also use " EE " shape core construction shown in Fig. 5.
Embodiment two：
A kind of crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant converter, as shown in Fig. 2 also including on the basis of Fig. 1
Two input capacitance C1And C2, input capacitance C1And C2Series connection, the input capacitance C after series connection1It is connected to the two-way full-bridge LLC of the first via
Two inputs of controlled resonant converter, input capacitance C2It is connected to two inputs of the two-way full-bridge LLC resonant converter in the second tunnel
End；It is connected to the input capacitance C of two series connection of the two-way full-bridge LLC resonant converter of two-way crisscross parallel1And C2It is connected to height
Press dc source VHBoth ends, the output end of the two-way full-bridge LLC resonant converter of two-way crisscross parallel are connected to low-voltage DC
Source VLBoth ends.Resonance transformer TR1And its magnetizing inductance Lm1With resonance transformer TR2And its magnetizing inductance Lm2It is integrated in iron core 1
On, resonant inductance L11、L21It is integrated on iron core 2, resonant inductance L12、L22It is integrated on iron core 3.Thus a kind of staggeredly string is formed
Magnetic integrated bi-directional full-bridge LLC resonant converter in parallel.
Realize that the resonance transformer magnetic in the two-way full-bridge LLC resonant converter of the two-way crisscross parallel is integrated to integrate
Magnetic part is resonance transformer integrated magneticses, for the resonance transformation in the two-way full-bridge LLC resonant converter of two-way crisscross parallel
Device TR1And its magnetizing inductance Lm1With resonance transformer TR2And its magnetizing inductance Lm2Magnetic integrate.Resonance transformer integrated magneticses
Iron core, i.e., resonance transformer T shown in Fig. 2R1And its magnetizing inductance Lm1With resonance transformer TR2And its magnetizing inductance Lm2It is integrated
The iron core 1 of magnetic part, as shown in fig. 7, comprises a piece of " ten " shaped iron core 6 and two panels " E " shape iron core 4, " ten " shaped iron core 6 is placed
Among two panels magnetic pole " E " shape iron core 4 staggered relatively, the center pillar of two panels " E " shape iron core 4 and the left and right two of " ten " shaped iron core
There is no air gap between individual horizontal yoke.Coiling N in the upside magnetic pole of " ten " shaped iron core 6 of resonance transformer integrated magneticses11、N12Around
Group is to form resonance transformer TR1And its magnetizing inductance Lm1, coiling N in the magnetic pole of downside21、N22Winding is to form resonance transformer
TR2And its magnetizing inductance Lm2。
Realize the integrated magnetic that the resonant inductance magnetic in the two-way full-bridge LLC resonant converter of the two-way crisscross parallel integrates
Part is resonant inductance integrated magneticses, for resonant inductance L in the two-way full-bridge LLC resonant converter of two-way crisscross parallel11、L21
Magnetic is integrated and resonant inductance L12、L22Magnetic integrate.The iron core of resonant inductance integrated magneticses, i.e., resonant inductance shown in Fig. 2
L11、L21Integrated magneticses iron core 2 or resonant inductance L12、L22Integrated magneticses iron core 3, also including a piece of " ten " font iron
The heart 6 and two panels " E " shape iron core 4, as shown in figure 8, " ten " shaped iron core 6 is positioned over two panels magnetic pole " E " shape iron core 4 staggered relatively
Centre, there are air gap, two panels " E " shape iron between two panels " E " shape center pillar unshakable in one's determination and the horizontal yoke in left and right two of its " ten " shaped iron core
Air gap is provided between the up or down side magnetic pole of the heart and the up or down side magnetic pole of its " ten " shaped iron core.Resonant inductance integrated magneticses
Coiling winding is to form resonant inductance L in the upside magnetic pole of " ten " shaped iron core 611Or L12, coiling winding is with shape in the magnetic pole of downside
Into resonant inductance L21Or L22。
Embodiment three：
A kind of crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant converter, as shown in figure 3, also including on the basis of Fig. 1
The two-way Buck/Boost converters that intermediate capacitance C and two-way crisscross parallel magnetic integrate；The two-way Buck/Boost conversion of the first via
Device includes power switch tube S1、S2With inductance L1, the two-way Buck/Boost converters in the second tunnel include power switch tube S3、S4And electricity
Feel L1；The inductance of the two-way Buck/Boost converters of inductance and the second tunnel of the two-way Buck/Boost converters of the first via carries out anti-
To magnetic coupling, form magnetic and integrate coupling inductance；The input of the two-way Buck/Boost converters of two-way after crisscross parallel magnetic is integrated
End is connected to high-voltage DC power supply VHBoth ends, output end connection intermediate capacitance C, the two-way full-bridge LLC of two-way crisscross parallel is humorous
The input of converter of shaking is connected between electric capacity C both ends, and output end is connected to low-voltage dc power supply VLBoth ends.Resonance becomes
Depressor TR1And its magnetizing inductance Lm1With resonance transformer TR2And its magnetizing inductance Lm2It is integrated on iron core 1, resonant inductance L11、L21
It is integrated on iron core 2, resonant inductance L12、L22It is integrated on iron core 3.Thus a kind of compound interlaced series parallel magnetic is formed to integrate
Two-way full-bridge LLC resonant converter.
Realize that the resonance transformer magnetic in the two-way full-bridge LLC resonant converter of the two-way crisscross parallel is integrated to integrate
Magnetic part is resonance transformer integrated magneticses, for the resonance transformation in the two-way full-bridge LLC resonant converter of two-way crisscross parallel
Device TR1And its magnetizing inductance Lm1With resonance transformer TR2And its magnetizing inductance Lm2Magnetic integrate.Resonance transformer integrated magneticses
Iron core, i.e., resonance transformer T shown in Fig. 3R1And its magnetizing inductance Lm1With resonance transformer TR2And its magnetizing inductance Lm2It is integrated
The iron core 1 of magnetic part, as shown in figure 9, " [" shape iron core 7, " ten " shaped iron core 6 are placed including a piece of " ten " shaped iron core 6 and two panels
In two panels it is staggered relatively " among [" shape iron core 7, two panels " middle part of [" shape iron core 7 and the left and right two of " ten " shaped iron core 6
There is no air gap between horizontal yoke, two panels " the up or down side magnetic pole of [" shape iron core 7 and the up or down side magnetic pole of " ten " shaped iron core 6 it
Between be provided with air gap.Coiling N in the upside magnetic pole of " ten " shaped iron core 6 of the resonance transformer integrated magneticses11、N12Winding with
Form resonance transformer TR1And its magnetizing inductance Lm1, coiling N in the magnetic pole of downside21、N22Winding is to form resonance transformer TR2And
Its magnetizing inductance Lm2；
Realize the integrated magnetic that the resonant inductance magnetic in the two-way full-bridge LLC resonant converter of the two-way crisscross parallel integrates
Part is resonant inductance integrated magneticses, for resonant inductance L in the two-way full-bridge LLC resonant converter of two-way crisscross parallel11、L21
Magnetic is integrated and resonant inductance L12、L22Magnetic integrate.The iron core of resonant inductance integrated magneticses, i.e., resonant inductance shown in Fig. 3
L11、L21Integrated magneticses iron core 2 or resonant inductance L12、L22Integrated magneticses iron core 3, as shown in Figure 10, also including a piece of
" ten " shaped iron core 6 and two panels " [" shape iron core 7, " ten " shaped iron core 6 be positioned over two panels it is staggered relatively " in [" shape iron core 7
Between, two panels " has air gap, two panels be " [" shape iron core 7 between [" shape middle part unshakable in one's determination and the horizontal yoke in left and right two of " ten " shaped iron core
There is air gap between up or down side magnetic pole and the up or down side magnetic pole of " ten " shaped iron core 6." ten " of resonant inductance integrated magneticses
Coiling winding is to form resonant inductance L in the top magnetic pole of shaped iron core 611Or L12, coiling winding is humorous to be formed in the magnetic pole of bottom
Shake inductance L21Or L22。
Example IV：
A kind of crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant converter, as shown in figure 4, also including on the basis of Fig. 1
The two-way Buck/Boost converters that intermediate capacitance C and two-way crisscross parallel magnetic integrate；The two-way Buck/Boost conversion of the first via
Device includes power switch tube S1、S2With inductance L1, the two-way Buck/Boost converters in the second tunnel include power switch tube S3、S4And electricity
Feel L1；The inductance of the two-way Buck/Boost converters of inductance and the second tunnel of the two-way Buck/Boost converters of the first via carries out anti-
To magnetic coupling, form magnetic and integrate coupling inductance；The input of the two-way Buck/Boost converters of two-way after crisscross parallel is with
Between electric capacity C it is in parallel, output end is connected to low-voltage dc power supply VLBoth ends, the two-way full-bridge LLC resonance of two-way crisscross parallel becomes
The output end of parallel operation is both connected to intermediate capacitance C both ends, and input is connected to high-voltage DC power supply VHBoth ends.Resonance transformation
Device TR1And its magnetizing inductance Lm1With resonance transformer TR2And its magnetizing inductance Lm2It is integrated on iron core 1, resonant inductance L11、L21Collection
Into iron core 2 on, resonant inductance L12、L22It is integrated on iron core 3.Thus another compound interlaced series parallel magnetic is formed to integrate
Two-way full-bridge LLC resonant converter.
Realize the resonance transformer and resonant inductance magnetic in the two-way full-bridge LLC resonant converter of the two-way crisscross parallel
Integrated integrated magneticses are the fully integrated magnetic part of crisscross parallel, in the two-way full-bridge LLC resonant converter of two-way crisscross parallel
Resonance transformer TR1And its magnetizing inductance Lm1, resonance transformer TR2And its magnetizing inductance Lm2With four resonant inductance L11、L12、
L21、L22Magnetic integrate.The iron core of the fully integrated magnetic part of crisscross parallel, as shown in figure 11, including two panels " E " shape iron core 4 and two panels
" I " shape iron core 5, the magnetic pole of two panels " E " shape iron core 4 is staggered relatively, formation " EE " shape core construction, in two panels " E " shape iron core 4
There is no air gap between post, air gap is equipped between the magnetic pole of downside between the magnetic pole of upside；Two panels " I " shape iron core 5 be vertically arranged respectively in
Up and down among two windows 8 of " EE " the shape core construction.Resonance transformer T shown in two panels " E " shape 4 pie graphs 4 of iron coreR1
And its magnetizing inductance Lm1With resonance transformer TR2And its magnetizing inductance Lm2Integrated magneticses iron core 1,5 points unshakable in one's determination of two panels " I " shape
Resonant inductance L shown in other pie graph 411、L21Integrated magneticses iron core 2 and resonant inductance L12、L22Integrated magneticses iron core
3.Coiling N is distinguished in the upside magnetic pole of two panels " E " the shape iron core 4 of " EE " shape core construction11、N12Winding is to form resonance transformation
Device TR1And its magnetizing inductance Lm1, coiling N respectively in the magnetic pole of downside21、N22Winding is to form resonance transformer TR2And its excitation electricity
Feel Lm2。N11And N12Winding or N21And N22Caused magnetic field all can not be passed through mutually by other side, some respective magnetic field
Be placed on " EE " shape core construction top or lower window 8 in " I " shape iron core 5 return, formed leakage magnetic fluxWithOr leakage
Magnetic fluxWithEach self-forming leakage inductance, as resonant inductance, resonant inductance L is formed respectively11、L12Or resonant inductance L12、L22。
Embodiment five：
A kind of crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant converter, as shown in figure 1, including two-way crisscross parallel
LLC resonant converter, resonance transformer and resonant inductance in the two-way full-bridge LLC resonant converter of two-way crisscross parallel use
Integrated magneticses realize that magnetic integrates；Realize the resonance transformer in the two-way full-bridge LLC resonant converter of the two-way crisscross parallel
The integrated magneticses integrated with resonant inductance magnetic are the fully integrated magnetic part of crisscross parallel, the two-way full-bridge LLC for two-way crisscross parallel
Resonance transformer T in controlled resonant converterR1And its magnetizing inductance Lm1, resonance transformer TR2And its magnetizing inductance Lm2With four resonance
Inductance L11、L12、L21、L22Magnetic integrate；Other structures are the same as embodiment one.
The iron core of the fully integrated magnetic part of crisscross parallel, as shown in figure 12, including two panels " E " shape iron core 4-1 and two panels " E " shape iron
Heart 4-2.Resonance transformer T shown in two panels " E " shape iron core 4-1 pie graphs 1R1And its magnetizing inductance Lm1With resonance transformer TR2
And its magnetizing inductance Lm2Integrated magneticses iron core 1, two panels " E " shape iron core 4-2 respectively constitutes resonant inductance L shown in Fig. 111、
L21Integrated magneticses iron core 2 and resonant inductance L12、L22Integrated magneticses iron core 3.Two panels " E " shape iron core 4-1 magnetic pole phase
To placing, form " EE " shape core construction, there is no air gap between two panels " E " shape iron core 4-1 center pillar, between the magnetic pole of upside and
Air gap is equipped between the magnetic pole of downside；Coiling is distinguished in two panels " E " the shape iron core 4-1 of " EE " shape core construction upside magnetic pole
N11、N12Winding is to form resonance transformer TR1And its magnetizing inductance Lm1, coiling N respectively in the magnetic pole of downside21、N22Winding is to form
Resonance transformer TR2And its magnetizing inductance Lm2.A piece of " E " shape iron core 4-2 opening direction direction " EE " shape iron core coiling N11、N12
The side of winding is placed, should " E " shape iron core 4-2 three magnetic poles and two panels " E " the shape iron core 4-1 of " EE " shape core construction it is upper
Air gap is equipped between the magnetic pole of side；N11And N12Magnetic field caused by winding can not all pass through mutually other side, some respective magnetic
Field passes through top " E " shape iron core 4-2 and returned, and forms leakage magnetic fluxWithSo each self-forming leakage inductance is divided as resonant inductance
Xing Cheng not resonant inductance L11、L12；Another " E " shaped iron core 4-2 opening direction direction " EE " shape iron core coiling N21、N22Around
The side of group is placed, and is somebody's turn to do " E " shape iron core 4-2 three magnetic poles and two panels " E " the shape iron core 4-1 of " EE " shape core construction downside
Air gap is equipped between magnetic pole；N21And N22Magnetic field caused by winding can not all pass through mutually other side, some respective magnetic field
Returned by bottom " E " shape iron core 4-2, form leakage magnetic fluxWithSo each self-forming leakage inductance is as resonant inductance, difference
Form resonant inductance L21、L22。
Embodiment six：
A kind of crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant converter, as shown in Fig. 2 it is defeated also to be connected including two
Enter electric capacity C1、C2With the LLC resonant converter of two-way crisscross parallel, in the two-way full-bridge LLC resonant converter of two-way crisscross parallel
Resonance transformer and resonant inductance realize that magnetic integrates using integrated magneticses；Realize the two-way full-bridge of the two-way crisscross parallel
The integrated magneticses that resonance transformer and resonant inductance magnetic in LLC resonant converter integrate are the fully integrated magnetic part of crisscross parallel, are used
The resonance transformer T in the two-way full-bridge LLC resonant converter of two-way crisscross parallelR1And its magnetizing inductance Lm1, resonance transformer
TR2And its magnetizing inductance Lm2With four resonant inductance L11、L12、L21、L22Magnetic integrate；Other structures are the same as embodiment two.
The iron core of the fully integrated magnetic part of crisscross parallel, as shown in figure 13, including " EE " shape being arranged in order before and after three groups is unshakable in one's determination,
Between three magnetic poles of two panels " E " shape two panels " E " shape iron core unshakable in one's determination placed, placed up and down up and down in every group of " EE " shape iron core
Provided with air gap；Three groups of " EE " shape iron cores are followed successively by first group of " EE " shape iron core, second group of " EE " shape iron core and the 3rd from front to back
Group " EE " shape is unshakable in one's determination.Resonance transformer T shown in second group of iron core pie graph 1R1、TR2Integrated magneticses iron core 1, first group
Resonant inductance L shown in pie graph 1 unshakable in one's determination11、L21Integrated magneticses iron core 2, resonance shown in the 3rd group of iron core pie graph 1
Inductance L12、L22Integrated magneticses iron core 3.First group of upper piece 4-3 and second group unshakable in one's determination upper piece 4-4 unshakable in one's determination unshakable in one's determination unshakable in one's determination
The same side magnetic pole on common coiling N11Winding, second group of unshakable in one's determination bottom sheet iron core 4-4 and the 3rd group bottom sheet iron core 4-5 unshakable in one's determination
The same side magnetic pole on common coiling N12Winding, N11Winding and N12Winding is located at the same side, second group of " EE " shape it is unshakable in one's determination upper piece
N on 4-4 unshakable in one's determination11N on winding and bottom sheet iron core 4-412Winding forms resonance transformer TR1And its magnetizing inductance Lm1, first
N on group " EE " shape upper piece 4-3 unshakable in one's determination unshakable in one's determination11Winding forms resonant inductance L11, the 3rd group of " EE " shape bottom sheet iron core unshakable in one's determination
N on 4-512Winding forms resonant inductance L12；First group of upper piece 4-3 and second group unshakable in one's determination upper piece 4-4 unshakable in one's determination unshakable in one's determination unshakable in one's determination
Opposite side magnetic pole on common coiling N21Winding, second group of unshakable in one's determination bottom sheet iron core 4-4 and the 3rd group bottom sheet iron core 4-5 unshakable in one's determination
Opposite side magnetic pole on common coiling N22Winding, N21Winding and N22Winding is located at the same side, second group of " EE " shape it is unshakable in one's determination upper piece
N on 4-4 unshakable in one's determination21N on winding and bottom sheet iron core 4-422Winding forms resonance transformer TR2And its magnetizing inductance Lm2, first
N on group " EE " shape upper piece 4-3 unshakable in one's determination unshakable in one's determination21Winding forms resonant inductance L21, the 3rd group of " EE " shape bottom sheet iron core unshakable in one's determination
N on 4-522Winding forms resonant inductance L22。
In specific implementation, each integrated magneticses are not limited to the embodiment that it is applied in various embodiments above, can be with
It is applied to resonance transformer and resonant inductance in crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant converter in other embodiment
Magnetic integrate." E " shape iron core, " I " shape iron core, " ten " shaped iron core and " [" shape iron core, generally use iron in each integrated magneticses
The magnetic materials such as oxysome, silicon steel sheet, iron silicon, metal magnetic powder core, amorphous, ultracrystallite, the N for forming resonance transformer11、N12、
N21、N22Winding and composition resonant inductance L11、L12、L21、L22Winding generally use outsourcing insulation copper conductor, copper foil, aluminium
Wire or aluminium foil.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
Type claim limited range.
Claims (10)
- A kind of 1. crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant converter, it is characterised in that：It is double including two-way crisscross parallel To full-bridge LLC resonant converter, resonance transformer and resonance electricity in the two-way full-bridge LLC resonant converter of two-way crisscross parallel Sense realizes that magnetic integrates using integrated magneticses；The two-way full-bridge LLC resonant converter of the first via includes the first primary circuit, the first secondary Circuit and resonance transformer TR1And its magnetizing inductance Lm1；First primary circuit includes power switch tube S11~S14, resonant inductance L11With resonant capacitance C11；First secondary circuit includes power switch tube S15~S18, resonant inductance L12With resonant capacitance C12；Second The two-way full-bridge LLC resonant converter in road includes the second primary circuit, the second secondary circuit and resonance transformer TR2And its excitation electricity Feel Lm2；Second primary circuit includes power switch tube S21~S24, resonant inductance L21With resonant capacitance C21；Second secondary circuit bag Include power switch tube S25~S28, resonant inductance L22With resonant capacitance C22；Primary side electricity per the two-way full-bridge LLC resonant converter in road Road and secondary circuit use full-bridge type LLC resonance circuits, realize two-way circulating for energy.
- 2. crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant converter according to claim 1, it is characterised in that：It is described Crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant converter also includes two input capacitance C1And C2, input capacitance C1And C2String Connection, the input capacitance C after series connection1It is connected to two inputs of the two-way full-bridge LLC resonant converter of the first via, input capacitance C2 It is connected to two inputs of the two-way full-bridge LLC resonant converter in the second tunnel.
- 3. crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant converter according to claim 1, it is characterised in that：It is described Crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant converter also integrates two-way including intermediate capacitance C and two-way crisscross parallel magnetic Buck/Boost converters；The inductance L of the two-way Buck/Boost converters of the first via1Buck/Boost conversion two-way with the second tunnel The inductance L of device2Reverse magnetic coupling is carried out, magnetic is formed and integrates coupling inductance；Two-way Buck/Boost converters after crisscross parallel Output end it is in parallel with intermediate capacitance C, the input of the two-way full-bridge LLC resonant converter of the two-way crisscross parallel is all connected with At intermediate capacitance C both ends.
- 4. crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant converter according to claim 1, it is characterised in that：It is described Crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant converter also integrates two-way including intermediate capacitance C and two-way crisscross parallel magnetic Buck/Boost converters；The inductance L of the two-way Buck/Boost converters of the first via1Buck/Boost conversion two-way with the second tunnel The inductance L of device2Reverse magnetic coupling is carried out, magnetic is formed and integrates coupling inductance；Two-way Buck/Boost converters after crisscross parallel Input it is in parallel with intermediate capacitance C, the output end of the two-way full-bridge LLC resonant converter of the two-way crisscross parallel is all connected with At intermediate capacitance C both ends.
- 5. the crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant converter according to any one of claim 1-4, it is special Sign is：Realize that the resonance transformer magnetic in the two-way full-bridge LLC resonant converter of the two-way crisscross parallel is integrated to integrate Magnetic part is resonance transformer integrated magneticses, for the resonance transformation in the two-way full-bridge LLC resonant converter of two-way crisscross parallel Device TR1And its magnetizing inductance Lm1With resonance transformer TR2And its magnetizing inductance Lm2Magnetic integrate；Realize the two-way crisscross parallel Two-way full-bridge LLC resonant converter in the integrated integrated magneticses of resonant inductance magnetic be resonant inductance integrated magneticses, for two Resonant inductance L in the two-way full-bridge LLC resonant converter of road crisscross parallel11、L21Magnetic integrate, and resonant inductance L12、L22's Magnetic integrates；The iron core of the resonance transformer integrated magneticses is " EE " shape core construction, including two panels magnetic pole it is relative " E " shape it is unshakable in one's determination, There is no air gap between two panels " E " shape center pillar unshakable in one's determination, air gap is equipped between the magnetic pole of downside between the magnetic pole of upside；" EE " Distinguish coiling N in two panels " E " shape upside magnetic pole unshakable in one's determination in shape core construction11、N12Winding is to form resonance transformer TR1And its Magnetizing inductance Lm1, coiling N respectively in the magnetic pole of downside21、N22Winding is to form resonance transformer TR2And its magnetizing inductance Lm2；The iron core of the resonant inductance integrated magneticses is " EI " shape core construction, including a piece of " E " shape " I " shape iron unshakable in one's determination and a piece of The heart, " I " shape iron core are positioned over " E " shape open side unshakable in one's determination, are equipped between " E " shape three magnetic poles unshakable in one's determination and " I " shape iron core Air gap；Coiling winding is to form resonant inductance L in " E " shapes of resonant inductance integrated magneticses upside magnetic pole unshakable in one's determination11Or L12, coiling winding is to form resonant inductance L in the magnetic pole of downside21Or L22。
- 6. the crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant converter according to any one of claim 1-4, it is special Sign is：Realize that the resonance transformer magnetic in the two-way full-bridge LLC resonant converter of the two-way crisscross parallel is integrated to integrate Magnetic part is resonance transformer integrated magneticses, for the resonance transformation in the two-way full-bridge LLC resonant converter of two-way crisscross parallel Device TR1And its magnetizing inductance Lm1With resonance transformer TR2And its magnetizing inductance Lm2Magnetic integrate；Realize the two-way crisscross parallel Two-way full-bridge LLC resonant converter in the integrated integrated magneticses of resonant inductance magnetic be resonant inductance integrated magneticses, for two Resonant inductance L in the two-way full-bridge LLC resonant converter of road crisscross parallel11、L21Magnetic integrate, and resonant inductance L12、L22's Magnetic integrates；The iron core of the resonance transformer integrated magneticses and the iron core of resonant inductance integrated magneticses are including a piece of " ten " font Unshakable in one's determination and two panels " E " shape core construction unshakable in one's determination, it is unshakable in one's determination middle that " ten " shaped iron core is placed on relative " E " shape of two panels magnetic pole；The horizontal yoke in left and right two of two panels " E " shape of resonance transformer integrated magneticses center pillar unshakable in one's determination and its " ten " shaped iron core Between there is no an air gap, two panels " E " shapes of resonance transformer integrated magneticses up or down side magnetic pole unshakable in one's determination and its " ten " font Air gap is provided between up or down side magnetic pole unshakable in one's determination；The upside magnetic pole of " ten " shaped iron core of the resonance transformer integrated magneticses Upper coiling N respectively11、N12Winding is to form resonance transformer TR1And its magnetizing inductance Lm1, coiling N respectively in the magnetic pole of downside21、N22 Winding is to form resonance transformer TR2And its magnetizing inductance Lm2；The horizontal yoke in left and right two of two panels " E " shapes of resonant inductance integrated magneticses center pillar unshakable in one's determination and its " ten " shaped iron core it Between be provided with air gap, two panels " E " shapes of resonant inductance integrated magneticses up or down side magnetic pole unshakable in one's determination and its " ten " shaped iron core Up or down side magnetic pole between be provided with air gap；Coiling in the upside magnetic pole of " ten " shaped iron core of the resonant inductance integrated magneticses Winding is to form resonant inductance L11Or L12, coiling winding is to form resonant inductance L in the magnetic pole of downside21Or L22。
- 7. the crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant converter according to any one of claim 1-4, it is special Sign is：Realize that the resonance transformer magnetic in the two-way full-bridge LLC resonant converter of the two-way crisscross parallel is integrated to integrate Magnetic part is resonance transformer integrated magneticses, for the resonance transformation in the two-way full-bridge LLC resonant converter of two-way crisscross parallel Device TR1And its magnetizing inductance Lm1With resonance transformer TR2And its magnetizing inductance Lm2Magnetic integrate；Realize the two-way crisscross parallel Two-way full-bridge LLC resonant converter in the integrated integrated magneticses of resonant inductance magnetic be resonant inductance integrated magneticses, for two Resonant inductance L in the two-way full-bridge LLC resonant converter of road crisscross parallel11、L21Magnetic integrate, and resonant inductance L12、L22's Magnetic integrates；The iron core of the resonance transformer integrated magneticses and the iron core of resonant inductance integrated magneticses are including a piece of " ten " font Unshakable in one's determination and two panels " [" shape core construction unshakable in one's determination, " ten " shaped iron core be placed on two panels opening it is relative " [" shape it is unshakable in one's determination among；Two panels " [" shape middle part unshakable in one's determination and the horizontal yoke in left and right two of its " ten " shaped iron core of the resonance transformer integrated magneticses Between there is no an air gap, two panels " [" shape up or down side magnetic pole unshakable in one's determination and its " ten " font of the resonance transformer integrated magneticses Air gap is provided between up or down side magnetic pole unshakable in one's determination；The upside magnetic pole of " ten " shaped iron core of the resonance transformer integrated magneticses Upper coiling N11、N12Winding is to form resonance transformer TR1And its magnetizing inductance Lm1, coiling N in the magnetic pole of downside21、N22Winding is with shape Into resonance transformer TR2And its magnetizing inductance Lm2；The resonant inductance integrated magneticses two panels " the horizontal yoke in left and right two of [" shape middle part unshakable in one's determination and its " ten " shaped iron core it Between be provided with air gap, two panels " [" shape up or down side magnetic pole unshakable in one's determination and its " ten " shaped iron core of the resonant inductance integrated magneticses Up or down side magnetic pole between be provided with air gap；Coiling in the upside magnetic pole of " ten " shaped iron core of the resonant inductance integrated magneticses Winding is to form resonant inductance L11Or L12, coiling winding is to form resonant inductance L in the magnetic pole of downside21Or L22。
- 8. the crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant converter according to any one of claim 1-4, it is special Sign is：Realize the resonance transformer and resonant inductance magnetic in the two-way full-bridge LLC resonant converter of the two-way crisscross parallel Integrated integrated magneticses are the fully integrated magnetic part of crisscross parallel, in the two-way full-bridge LLC resonant converter of two-way crisscross parallel Resonance transformer TR1And its magnetizing inductance Lm1, resonance transformer TR2And its magnetizing inductance Lm2With four resonant inductance L11、L12、 L21、L22Magnetic integrate；The iron core of the fully integrated magnetic part of crisscross parallel includes two panels " E " shape iron core and two panels " I " shape is unshakable in one's determination, two panels " E " shape iron The magnetic pole of the heart is staggered relatively, forms " EE " shape core construction, does not have air gap, upside magnetic between two panels " E " shape center pillar unshakable in one's determination Air gap is equipped between the magnetic pole of between post and downside；Two panels " I " shape iron core is vertically arranged in the upper of " EE " the shape core construction respectively Among lower two windows；Distinguish coiling N in two panels " E " shape of " EE " shape core construction upside magnetic pole unshakable in one's determination11、N12Around Group is to form resonance transformer TR1And its magnetizing inductance Lm1, coiling N respectively in the magnetic pole of downside21、N22Winding is to form resonance transformation Device TR2And its magnetizing inductance Lm2；N11And N12Winding or N21And N22Magnetic field caused by winding can not be mutually all by other side, respectively Returned from some magnetic field by the way that " I " shape being placed in described " EE " shape core construction top or lower window is unshakable in one's determination, shape Into leakage magnetic fluxWithOr leakage magnetic fluxWithEach self-forming leakage inductance forms resonant inductance L respectively as resonant inductance11With L12Or resonant inductance L21And L22。
- 9. the crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant converter according to any one of claim 1-4, it is special Sign is：Realize the resonance transformer and resonant inductance magnetic in the two-way full-bridge LLC resonant converter of the two-way crisscross parallel Integrated integrated magneticses are the fully integrated magnetic part of crisscross parallel, in the two-way full-bridge LLC resonant converter of two-way crisscross parallel Resonance transformer TR1And its magnetizing inductance Lm1, resonance transformer TR2And its magnetizing inductance Lm2With four resonant inductance L11、L12、 L21、L22Magnetic integrate；The iron core of the fully integrated magnetic part of crisscross parallel includes four " E " shapes iron cores, and wherein two panels " E " shape magnetic pole unshakable in one's determination is relative Place, form " EE " shape core construction, there is no air gap between two panels " E " shape center pillar unshakable in one's determination, between the magnetic pole of upside and downside Air gap is equipped between magnetic pole；Distinguish coiling N in two panels " E " shape of " EE " shape core construction upside magnetic pole unshakable in one's determination11、 N12Winding is to form resonance transformer TR1And its magnetizing inductance Lm1, coiling N respectively in the magnetic pole of downside21、N22Winding is humorous to be formed Shake transformer TR2And its magnetizing inductance Lm2；3rd " E " shape opening direction direction " EE " shape iron core coiling N unshakable in one's determination11、N12Around The side of group is placed, should three unshakable in one's determination magnetic poles of " E " shape upside magnetic pole unshakable in one's determination with " EE " shape two panels " E " shape unshakable in one's determination it Between be equipped with air gap；N11Winding and N12Magnetic field caused by winding all can not be led to mutually by other side, some respective magnetic field Cross the 3rd " E " shape magnetic pole unshakable in one's determination to return, form leakage magnetic fluxWithEach self-forming leakage inductance is as resonant inductance, difference shape Into resonant inductance L11And L12；Opening direction direction " EE " shape iron core coiling N of the 4th " E " shaped iron core21、N22The one of winding Side is placed, and is all provided between the downside magnetic pole for two panels " E " shape iron core for being somebody's turn to do " E " shape three magnetic poles unshakable in one's determination and " EE " shape iron core There is air gap；N21Winding and N22Magnetic field caused by winding all can not pass through the 4th by other side, some respective magnetic field mutually Piece " E " shape magnetic pole unshakable in one's determination returns, and forms leakage magnetic fluxWithEach self-forming leakage inductance forms resonance respectively as resonant inductance Inductance L21And L22。
- 10. the crisscross parallel magnetic integrated bi-directional full-bridge LLC resonant converter according to any one of claim 1-4, its It is characterised by：Realize the resonance transformer and resonant inductance in the two-way full-bridge LLC resonant converter of the two-way crisscross parallel The integrated integrated magneticses of magnetic are the fully integrated magnetic part of crisscross parallel, the two-way full-bridge LLC resonant converter for two-way crisscross parallel In resonance transformer TR1And its magnetizing inductance Lm1, resonance transformer TR2And its magnetizing inductance Lm2With four resonant inductance L11、 L12、L21、L22Magnetic integrate；" EE " shape that the iron core of the fully integrated magnetic part of crisscross parallel includes being arranged in order before and after three groups is unshakable in one's determination, every group of " EE " shape iron Two panels " E " shape in the heart is unshakable in one's determination to be placed up and down, and air gap is equipped between two panels " E " shape placed up and down three magnetic poles unshakable in one's determination；Three Group " EE " shape iron core is followed successively by first group of " EE " shape unshakable in one's determination, second group of " EE " shape iron core and the 3rd group of " EE " shape iron from front to back The heart；On described first group of " EE " shape upper piece iron core unshakable in one's determination and second group of " EE " shape upper piece the same side magnetic pole unshakable in one's determination unshakable in one's determination altogether With coiling N11Winding, the same side magnetic pole for the bottom sheet iron core that second group of " EE " shape iron core bottom sheet is unshakable in one's determination and the 3rd group of " EE " shape is unshakable in one's determination Upper common coiling N12Winding, N11Winding and N12Winding is located at the same side, the N on second group of " EE " shape upper piece iron core unshakable in one's determination11Around N in group and bottom sheet iron core12Winding forms resonance transformer TR1And its magnetizing inductance Lm1, first group of " EE " shape it is unshakable in one's determination upper piece N on iron core11Winding forms resonant inductance L11, the N on the 3rd group of " EE " shape bottom sheet iron core unshakable in one's determination12Winding forms resonance electricity Feel L12；On first group of " EE " shape upper piece iron core unshakable in one's determination and second group of " EE " shape upper piece opposite side magnetic pole unshakable in one's determination unshakable in one's determination together about N processed21In the opposite side magnetic pole of the bottom sheet iron core of winding, second group of " EE " shape iron core bottom sheet iron core and the 3rd group of " EE " shape iron core altogether With coiling N22Winding, N21Winding and N22Winding is located at the same side, the N on second group of " EE " shape upper piece iron core unshakable in one's determination21Winding and N on bottom sheet iron core22Winding forms resonance transformer TR2And its magnetizing inductance Lm2, first group of " EE " shape upper piece iron core unshakable in one's determination On N21Winding forms resonant inductance L21, the N on the 3rd group of " EE " shape bottom sheet iron core unshakable in one's determination22Winding forms resonant inductance L22。
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| CN110798073A (en) * | 2019-10-22 | 2020-02-14 | 深圳航天科技创新研究院 | Wide voltage range output current feed converter |
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