CN109167423A - The electric integrating device of Vehicular charger and vehicle-mounted DCDC - Google Patents
The electric integrating device of Vehicular charger and vehicle-mounted DCDC Download PDFInfo
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- CN109167423A CN109167423A CN201811063749.5A CN201811063749A CN109167423A CN 109167423 A CN109167423 A CN 109167423A CN 201811063749 A CN201811063749 A CN 201811063749A CN 109167423 A CN109167423 A CN 109167423A
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- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 title claims abstract description 77
- 230000001681 protective effect Effects 0.000 claims abstract description 29
- 238000001914 filtration Methods 0.000 claims abstract description 22
- 238000004804 winding Methods 0.000 claims description 65
- 239000003990 capacitor Substances 0.000 claims description 61
- 230000001360 synchronised effect Effects 0.000 claims description 15
- 230000005611 electricity Effects 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 230000009466 transformation Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 3
- BHSUFIXFUOVBAB-TXPOCZTKSA-N mateside Natural products C[C@@H]1CC[C@@]2(CC[C@]3(C)C(=CC[C@@H]4[C@@]5(C)CC[C@H](O[C@H]6OC[C@H](O)[C@@H](O)[C@@H]6O)[C@@](C)(CO)[C@@H]5CC[C@@]34C)[C@@H]2[C@]1(C)O)C(=O)O BHSUFIXFUOVBAB-TXPOCZTKSA-N 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 10
- 230000001276 controlling effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
Classifications
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- H02J7/045—
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Abstract
The present invention provides the electric integrating device of a kind of Vehicular charger and vehicle-mounted DCDC, the electric integrating device of the Vehicular charger and vehicle-mounted DCDC include: PFC module, the side high pressure AC energy change-over switch module, transformer module, low-voltage direct side energy change-over switch module, the filtering of low-voltage direct side and protective module and high voltage direct current side energy change-over switch module;Wherein, PFC module, the side high pressure AC energy change-over switch module and transformer module are sequentially connected; transformer module is connected with low-voltage direct side energy change-over switch module and high voltage direct current side energy change-over switch module, and low-voltage direct side energy change-over switch module is connect with protective module.It is shared by electrical component to realize Vehicular charger and vehicle-mounted DCDC and electrically integrate, compared to the volume that individual Vehicular charger and vehicle-mounted DCDC save device occupancy, alleviates total weight, reduce costs.
Description
Technical field
The present invention relates to automobile technical field, in particular to the electrical integrated dress of a kind of Vehicular charger and vehicle-mounted DCDC
It sets.
Background technique
With the continuous development of electric vehicle engineering, the integrated trend of components is more and more obvious, integrated solution
The advantage of Function Extension can be not only brought for vehicle, but also can be shared by mechanical and electronic component, for vehicle drop
Low cost.Vehicular charger is mainly used for drawing electric energy from 220V power grid, and by power conversion, energy is filled with electric car
In high-tension battery packet, and vehicle-mounted DCDC is then used to be converted to electric automobile high-voltage battery pack energy the 12V energy content of battery, vehicle-mounted to fill
The Integrated Solution (Char Con) of motor (Charger) and vehicle-mounted DCDC (Converter) will be that the following electric automobile energy is mended
The mainstream scheme given.
The existing solution in this field is primarily present following deficiency at present: at present most of Vehicular charger with it is vehicle-mounted
DCDC Integrated Solution is to be mechanically integrated scheme, i.e. in the same mechanical cover, internal some component of machine share the two,
And the electronic component of the two is then completely independent, is independent of each other.The scheme of being mechanically integrated can pass through the shared of component of machine, section
Save a part of cost, volume and weight, but cannot achieve electronic component share, can not achieve system low cost, small size,
The optimal solution of light weight.In addition, due to being mechanically integrated in scheme in Vehicular charger and vehicle-mounted DCDC, the change of the two
Depressor is completely independent, and limits the function expansibility of the Integrated Solution.
For deficiency existing for the Integrated Solution of Vehicular charger in the prior art and vehicle-mounted DCDC, those skilled in the art
The method for always searching for solving.
Summary of the invention
The purpose of the present invention is to provide the electric integrating devices of a kind of Vehicular charger and vehicle-mounted DCDC, vehicle-mounted to solve
The Integrated Solution of charger and vehicle-mounted DCDC there are the problem of.
In order to solve the above technical problems, the present invention provides the electric integrating device of a kind of Vehicular charger and vehicle-mounted DCDC,
The electric integrating device of the Vehicular charger and vehicle-mounted DCDC include: PFC module (1), the side high pressure AC energy change-over switch mould
Block (2), transformer module (3), low-voltage direct side energy change-over switch module (4), the filtering of low-voltage direct side and protective module (5)
And high voltage direct current side energy change-over switch module (6);Wherein, PFC module (1), the side high pressure AC energy change-over switch module (2) and
Transformer module (3) is sequentially connected, transformer module (3) and low-voltage direct side energy change-over switch module (4) and high voltage direct current
Side energy change-over switch module (6) is connected, and low-voltage direct side energy change-over switch module (4) is connect with protective module (5).
Optionally, in the electric integrating device of the Vehicular charger and vehicle-mounted DCDC, PFC module (1) packet
It includes: first diode (D1), the second diode (D2), third diode (D3), the 4th diode (D4), the 5th diode
(D5), the 6th diode (D6), the 7th diode (D7), the first inductance (L1), the second inductance (L2), third inductance (L3),
One NMOS tube (S1), the second NMOS tube (S2), third NMOS tube (S3) and capacitor (CDC);Wherein, first diode (D1) and the
Two diodes (D2) series connection, third diode (D3) are connected with the 4th diode (D4), the cathode of the first diode (D1)
It is connect with the cathode of third diode (D3), the anode of the second diode (D2) is connect with the anode of the 4th diode (D4);The
One end of one inductance (L1) is connect with the cathode of third diode (D3), and the other end is connect with the anode of the 5th diode (D5);
One end of second inductance (L2) is connect with the cathode of third diode (D3), and the anode of the other end and the 6th diode (D6) connects
It connects;One end of third inductance (L3) is connect with the cathode of third diode (D3), the anode of the other end and the 7th diode (D7)
Connection;The cathode of 5th diode (D5) connects with the cathode of the cathode of the 6th diode (D6) and the 7th diode (D7) respectively
It connects;The drain electrode of first NMOS tube (S1) is connect with the anode of the 5th diode (D5), the source electrode and the 4th of the first NMOS tube (S1)
The anode of diode (D4) connects;The drain electrode of second NMOS tube (S2) is connect with the anode of the 6th diode (D6), the 2nd NMOS
The source electrode of pipe (S2) is connect with the anode of the 4th diode (D4);The drain electrode of third NMOS tube (S3) and the 7th diode (D7)
Anode connection, the source electrode of the second NMOS tube (S2) are connect with the anode of the 4th diode (D4);Capacitor (the CDC) one end with
The cathode of 7th diode (D7) connects, and the other end is connect with the source electrode of third NMOS tube (S3).
Optionally, in the electric integrating device of the Vehicular charger and vehicle-mounted DCDC, the side high pressure AC energy
Change-over switch module (2) includes: the 4th NMOS tube (S4), the 5th NMOS tube (S5), the 6th NMOS tube (S6), the 7th NMOS tube
(S7) and the 8th NMOS tube (S8);Wherein, the 4th NMOS tube (S4), the 5th NMOS tube (S5), the 6th NMOS tube (S6), the 7th
NMOS tube (S7), the 8th NMOS tube (S8) and the 9th NMOS tube (S9);Wherein, the source electrode and the 5th NMOS of the 4th NMOS tube (S4)
The drain electrode connection of (S5) is managed, the drain electrode of the 4th NMOS tube (S4) is connect with the cathode of the 5th diode, the 5th NMOS tube (S5)
Source electrode is connect with the source electrode of third NMOS tube;The source electrode of 6th NMOS tube (S6) is connect with the drain electrode of the 7th NMOS tube (S7), the
The drain electrode of six NMOS tubes (S6) is connect with the drain electrode of the 4th NMOS tube (S4), the source electrode and the 5th NMOS tube of the 7th NMOS tube (S7)
(S5) source electrode connection;The source electrode of 8th NMOS tube (S8) is connect with the cathode of the 5th diode (D5), the 8th NMOS tube (S8)
Drain electrode connect with the drain electrode of the 4th NMOS tube (S4).
Optionally, in the electric integrating device of the Vehicular charger and vehicle-mounted DCDC, the transformer module (3)
It include: resonant inductance (Lr), resonant capacitance (Cr), primary side winding (N1), the secondary low pressure in high voltage direct current winding (N2), the first pair
Direct current winding (N3) and the second secondary side low-voltage direct winding (N4);Wherein, one end of resonant inductance (Lr) and the 4th NMOS tube
(S4) source electrode connection, the other end are connect with the one end of primary side winding (N1);One end of resonant capacitance (Cr) and the 7th NMOS tube
(S7) drain electrode connection, the other end are connect with the other end of primary side winding (N1);First secondary side low-voltage direct winding (N3) and the
Second mate side low-voltage direct winding (N4) series connection.
Optionally, in the electric integrating device of the Vehicular charger and vehicle-mounted DCDC, low-voltage direct side energy
Amount change-over switch module (4) include: the 13rd NMOS tube (S13), the 14th NMOS tube (S14), the 15th NMOS tube (S15) and
16th NMOS tube (S16);Wherein, the first secondary low-voltage direct winding (N4) when low-voltage direct winding (N3) is secondary with second is gone here and there
Connection, the drain electrode of the 13rd NMOS tube (S13) are connect with the other end of the first secondary side low-voltage direct winding (N3), the 13rd NMOS tube
(S13) source electrode is connect with the source electrode of the 14th NMOS tube (S14);The drain electrode of 14th NMOS tube (S14) is low with the second secondary side
The other end of straightening stream winding (N4) connects;The drain electrode of 15th NMOS tube (S15) and the first secondary side low-voltage direct winding (N3)
And the second line connection between secondary side low-voltage direct winding (N4), the source electrode and the 16th NMOS of the 15th NMOS tube (S15)
The drain electrode connection of (S16) is managed, the drain electrode of the 16th NMOS tube (S16) is connect with the source electrode of the 14th NMOS tube (S14).
Optionally, in the electric integrating device of the Vehicular charger and vehicle-mounted DCDC, the low-voltage direct side filter
Involving protective module (5) includes: filter inductance (LDC), filter capacitor (CLVB), the 17th NMOS tube (S17) and the 18th NMOS
It manages (S18);Wherein, filter inductance (LDC) one end connect with the drain electrode of the 16th NMOS tube (S16), the other end and filter capacitor
(CLVB) connection;Filter capacitor (CLVB) the other end connect with the source electrode of the 16th NMOS tube (S16);17th NMOS tube
(S17) source electrode and filter inductance (LDC) and filter capacitor (CLVB) between line connection, the leakage of the 17th NMOS tube (S17)
Pole is connect with the drain electrode of the 18th NMOS tube (S18), the source electrode and filter capacitor (C of the 18th NMOS tube (S18)LVB) it is another
End connection.
Optionally, in the electric integrating device of the Vehicular charger and vehicle-mounted DCDC, high voltage direct current side energy
Measuring change-over switch module (6) includes: the 9th NMOS tube (S9), the tenth NMOS tube (S10), the 11st NMOS tube (S11), the 12nd
NMOS tube (S12) and high voltage direct current side filter capacitor (CHVB);Wherein, the source electrode and the tenth NMOS tube of the 9th NMOS tube (S9)
(S10) drain electrode connection, the drain electrode of the 9th NMOS tube (S9) are connect with the drain electrode of the 11st NMOS tube (S11);11st NMOS
The source electrode of pipe (S11) is connect with the drain electrode of the 12nd NMOS tube (S12), the source electrode and the tenth NMOS of the 12nd NMOS tube (S12)
Manage the source electrode connection of (S10);High voltage direct current side filter capacitor CHVBOne end connect with the drain electrode of the 11st NMOS tube (S11), separately
One end is connect with the source electrode of the 12nd NMOS tube (S12).
It optionally, further include AC power source in the electric integrating device of the Vehicular charger and vehicle-mounted DCDC
(AC), high-tension battery group and A-battery group, the AC power source (AC) are set to the anode and third of first diode (D1)
Between the anode of diode (D3);The high-tension battery group and high voltage direct current side filter capacitor (CHVB) in parallel;The A-battery
The anode of group is connect with the source electrode of the 18th NMOS tube (S18), the cathode and filter capacitor (C of the A-battery groupLVB) it is another
One end connection.
Optionally, in the electric integrating device of the Vehicular charger and vehicle-mounted DCDC, the electric integrating device
Tool is there are five types of operating mode, comprising: vehicle-mounted DCDC work independently mode, Vehicular charger high voltage direct current side charge mode,
Vehicular charger high low pressure DC side charge mode, high voltage direct current side bus capacitor electric discharge operating mode and high voltage direct current
Side bus capacitor is pre-charged operating mode;Wherein, Vehicular charger high voltage direct current side charge mode corresponding A C power grid is height
Piezoelectric battery charging operating condition;Vehicular charger high low pressure DC side charge mode corresponding A C power grid be simultaneously high-tension battery and
A-battery charging operating condition;High voltage direct current side bus capacitor electric discharge operating mode corresponds to high direct voltage side bus capacitor electric discharge work
Condition;High voltage direct current side bus capacitor precharge operating mode corresponds to high voltage direct current side bus capacitor precharge operating condition.
Optionally, in the electric integrating device of the Vehicular charger and vehicle-mounted DCDC, the electric integrating device
When working independently mode in vehicle-mounted DCDC, PFC module (1), the side high pressure AC energy change-over switch module (2) and transformer module
(3) it is in off working state;In low-voltage direct side energy change-over switch module (4), the 13rd NMOS tube (S13) and the 14th
NMOS tube (S14) is in synchronous rectification control, and the 15th NMOS tube (S15) is in the conductive state, at the 16th NMOS tube (S16)
In off-state;In the filtering of low-voltage direct side and protective module (5), the 17th NMOS tube (S17) and the 18th NMOS tube (S18)
It is in the conductive state;In high voltage direct current side energy change-over switch module (6), by the 9th NMOS tube (S9), the tenth NMOS tube
(S10), the half-bridge converter that the 11st NMOS tube (S11) and the 12nd NMOS tube (S12) collectively form is in phase-shifting full-bridge control
System.
Optionally, in the electric integrating device of the Vehicular charger and vehicle-mounted DCDC, the electric integrating device
When in Vehicular charger high voltage direct current side charge mode, low-voltage direct side energy change-over switch module (4) and low-pressure direct
The filtering of stream side and protective module (5) are in off working state;PFC module (1) is in PFC control model;The side high pressure AC energy
In change-over switch module (2), by the 4th NMOS tube (S4), the 5th NMOS tube (S5), the 6th NMOS tube (S6) and the 7th NMOS tube
(S7) half-bridge converter collectively formed is in frequency modulation(PFM) control, and the 8th NMOS tube (S8) is in the conductive state;Transformer mould
In block (3), by resonant inductance (Lr), resonant capacitance (Cr), primary side winding (N1) and secondary side high voltage direct current winding (N2) common structure
At LLC topology, the first secondary low-voltage direct winding (N4) when low-voltage direct winding (N3) and second are secondary is in open-circuit condition.
Optionally, in the electric integrating device of the Vehicular charger and vehicle-mounted DCDC, the electric integrating device
When in Vehicular charger high low pressure DC side charge mode, PFC module (1) is in PFC control model;The side high pressure AC
In energy change-over switch module (2), by the 4th NMOS tube (S4), the 5th NMOS tube (S5), the 6th NMOS tube (S6) and the 7th
The half-bridge converter that NMOS tube (S7) collectively forms is in frequency modulation(PFM) control, and the 8th NMOS tube (S8) is in the conductive state;Become
In depressor module (3), by resonant inductance (Lr), resonant capacitance (Cr), primary side winding (N1) and secondary side high voltage direct current winding (N2)
Collectively form LLC topology;In high voltage direct current side energy change-over switch module (6), by the 9th NMOS tube (S9), the tenth NMOS tube
(S10), the half-bridge converter that the 11st NMOS tube (S11) and the 12nd NMOS tube (S12) collectively form has the initiative or passively
Rectification state;In low-voltage direct side energy change-over switch module (4), the 13rd NMOS tube (S13) and the 14th NMOS tube (S14)
It is controlled in synchronous rectification, the 15th NMOS tube (S15) is in pulse width modulation controlled, and the 16th NMOS tube (S16), which is in, to be synchronized
Rectification control;In the filtering of low-voltage direct side and protective module (5), at the 17th NMOS tube (S17) and the 18th NMOS tube (S18)
In on state.
Optionally, in the electric integrating device of the Vehicular charger and vehicle-mounted DCDC, the electric integrating device
In high voltage direct current side bus capacitor discharge operating mode when, PFC module (1), the side high pressure AC energy change-over switch module (2) and
Transformer module (3) is in off working state;In low-voltage direct side energy change-over switch module (4), the 13rd NMOS tube
(S13) and the 14th NMOS tube (S14) is in synchronous rectification control, and the 15th NMOS tube (S15) is in the conductive state, and the 16th
NMOS tube (S16) is in an off state;In the filtering of low-voltage direct side and protective module (5), the 17th NMOS tube (S17) and the tenth
Eight NMOS tubes (S18) are in the conductive state;In high voltage direct current side energy change-over switch module (6), by the 9th NMOS tube (S9),
The half-bridge converter that ten NMOS tubes (S10), the 11st NMOS tube (S11) and the 12nd NMOS tube (S12) collectively form, which is in, to be moved
The control of phase full-bridge, and high-tension battery group is separated with high voltage direct current side output end.
Optionally, in the electric integrating device of the Vehicular charger and vehicle-mounted DCDC, the electric integrating device
When being pre-charged operating mode in high voltage direct current side bus capacitor, PFC module (1), the side high pressure AC energy change-over switch module (2)
And transformer module (3) is in off working state;In low-voltage direct side energy change-over switch module (4), the 13rd NMOS tube
(S13) one and in the 14th NMOS tube (S14) is in the conductive state, another is in an off state;15th NMOS tube
(S15) it is controlled in synchronous rectification, the 16th NMOS tube (S16) is in pulse-width regulated control;The filtering of low-voltage direct side and protection
In module (5), the 17th NMOS tube (S17) and the 18th NMOS tube (S18) are in the conductive state;The conversion of high voltage direct current side energy
In switch module (6), by the 9th NMOS tube (S9), the tenth NMOS tube (S10), the 11st NMOS tube (S11) and the 12nd NMOS
The half-bridge converter that pipe (S12) collectively forms is in passive rectification state.
In the electric integrating device of Vehicular charger provided by the present invention and vehicle-mounted DCDC, the Vehicular charger with
The electric integrating device of vehicle-mounted DCDC includes: PFC module, the side high pressure AC energy change-over switch module, transformer module, low-pressure direct
Flow side energy change-over switch module, the filtering of low-voltage direct side and protective module and high voltage direct current side energy change-over switch module;Its
In, PFC module, the side high pressure AC energy change-over switch module and transformer module are sequentially connected, transformer module and low-voltage direct
Side energy change-over switch module is connected with high voltage direct current side energy change-over switch module, low-voltage direct side energy change-over switch mould
Block is connect with protective module.It is shared by electrical component to realize Vehicular charger and vehicle-mounted DCDC and electrically integrate, compared to single
Only Vehicular charger and vehicle-mounted DCDC save the volume of device occupancy, alleviate total weight, reduce costs.
Detailed description of the invention
Fig. 1 is the schematic diagram of the electric integrating device of Vehicular charger and vehicle-mounted DCDC in one embodiment of the invention;
It is mono- that Fig. 2 is that the electric integrating device of Vehicular charger and vehicle-mounted DCDC in one embodiment of the invention are in vehicle-mounted DCDC
Schematic diagram when only operating mode;
Fig. 3 is that the Vehicular charger of one embodiment of the invention and the electric integrating device of vehicle-mounted DCDC are in Vehicular charger
The schematic diagram when charge mode of high voltage direct current side;
Fig. 4 is that the Vehicular charger of one embodiment of the invention and the electric integrating device of vehicle-mounted DCDC are in Vehicular charger
Schematic diagram when high low pressure DC side charge mode;
Fig. 5 is that the Vehicular charger of one embodiment of the invention and the electric integrating device of vehicle-mounted DCDC are in Vehicular charger
When high low pressure DC side charge mode, the control situation schematic diagram of the 15th NMOS tube;
Fig. 6 is that the Vehicular charger of one embodiment of the invention and the electric integrating device of vehicle-mounted DCDC are in high voltage direct current side
Schematic diagram when bus capacitor electric discharge operating mode;
Fig. 7 is that the Vehicular charger of one embodiment of the invention and the electric integrating device of vehicle-mounted DCDC are in high voltage direct current side
Bus capacitor is pre-charged schematic diagram when operating mode.
Specific embodiment
Vehicular charger proposed by the present invention and the electrical of vehicle-mounted DCDC are integrated below in conjunction with the drawings and specific embodiments
Device is described in further detail.According to following explanation and claims, advantages and features of the invention will be become apparent from.It needs
Bright, attached drawing is all made of very simplified form and using non-accurate ratio, only conveniently, lucidly to aid in illustrating
The purpose of the embodiment of the present invention.
Referring to FIG. 1, its schematic diagram for the electric integrating device of Vehicular charger and vehicle-mounted DCDC of the invention.Such as figure
Shown in 2, the electric integrating device of the Vehicular charger and vehicle-mounted DCDC include: PFC module 1, high pressure AC side energy conversion open
Close module 2, transformer module 3, low-voltage direct side energy change-over switch module 4, the filtering of low-voltage direct side and protective module 5 and height
Press DC side energy change-over switch module 6;Wherein, PFC module 1, the side high pressure AC energy change-over switch module 2 and transformer module
3 are sequentially connected, transformer module 3 and low-voltage direct side energy change-over switch module 4 and high voltage direct current side energy change-over switch mould
Block 6 is connected, and low-voltage direct side energy change-over switch module 4 is connect with protective module 5.
Below with reference to Fig. 1, it is specifically described the specific composition element of modules.Wherein, the PFC module 1 includes: three tunnels
Boost circuit and DC support capacitor CDC, wherein three tunnel Boost circuits include: first diode D1, the second diode D2,
Three diode D3, the 4th diode D4, the 5th diode D5, the 6th diode D6, the 7th diode D7, the first inductance L1,
Two inductance L2, third inductance L3, the first NMOS tube S1, the second NMOS tube S2, third NMOS tube S3;Wherein, first diode D1
It connects with the second diode D2, third diode D3 connects with the 4th diode D4, the cathode of the first diode D1 and
The cathode of three diode D3 connects, and the anode of the second diode D2 is connect with the anode of the 4th diode D4;First inductance L1's
One end is connect with the cathode of third diode D3, and the other end is connect with the anode of the 5th diode D5;One end of second inductance L2
It is connect with the cathode of third diode D3, the other end is connect with the anode of the 6th diode D6;One end of third inductance L3 and the
The cathode of three diode D3 connects, and the other end is connect with the anode of the 7th diode D7;The cathode of 5th diode D5 respectively with
The cathode connection of the cathode and the 7th diode D7 of 6th diode D6;The drain electrode of first NMOS tube S1 is with the 5th diode D5's
Anode connection, the source electrode of the first NMOS tube S1 are connect with the anode of the 4th diode D4;The drain electrode and the 6th of second NMOS tube S2
The anode of diode D6 connects, and the source electrode of the second NMOS tube S2 is connect with the anode of the 4th diode D4;Third NMOS tube S3's
Drain electrode is connect with the anode of the 7th diode D7, and the source electrode of the second NMOS tube S2 is connect with the anode of the 4th diode D4;It is described
Capacitor CDCOne end connect with the cathode of the 7th diode D7, the other end is connect with the source electrode of third NMOS tube S3.
The side high pressure AC energy change-over switch module 2 includes: the 4th NMOS tube S4, the 5th NMOS tube S5, the 6th NMOS
Pipe S6, the 7th NMOS tube S7 and the 8th NMOS tube S8 (S8 is anti-reverse charge switch);Wherein, the 4th NMOS tube S4, the 5th
NMOS tube S5, the 6th NMOS tube S6, the 7th NMOS tube S7, the 8th NMOS tube S8 and the 9th NMOS tube S9;Wherein, the 4th NMOS tube
The source electrode of S4 is connect with the drain electrode of the 5th NMOS tube S5, and the drain electrode of the 4th NMOS tube S4 is connect with the cathode of the 5th diode, the
The source electrode of five NMOS tube S5 is connect with the source electrode of third NMOS tube;The drain electrode of the source electrode and the 7th NMOS tube S7 of 6th NMOS tube S6
Connection, the drain electrode of the 6th NMOS tube S6 are connect with the drain electrode of the 4th NMOS tube S4, the source electrode and the 5th NMOS of the 7th NMOS tube S7
The source electrode of pipe S5 connects;The source electrode of 8th NMOS tube S8 is connect with the cathode of the 5th diode D5, the drain electrode of the 8th NMOS tube S8
It is connect with the drain electrode of the 4th NMOS tube S4.
The transformer module 3 includes: resonant inductance Lr, resonant capacitance Cr, primary side winding N1, secondary side high voltage direct current winding
N2, the first secondary low-voltage direct winding N4 when low-voltage direct winding N3 and second is secondary;Wherein, one end of resonant inductance Lr and the 4th
The source electrode of NMOS tube S4 connects, and the other end is connect with one end of primary side winding N1;One end of resonant capacitance Cr and the 7th NMOS tube
The drain electrode of S7 connects, and the other end is connect with the other end of primary side winding N1;First is secondary when low-voltage direct winding N3 and second is secondary
Low-voltage direct winding N4 series connection.
The low-voltage direct side energy change-over switch module 4 include: the 13rd NMOS tube S13, the 14th NMOS tube S14,
15th NMOS tube S15 and the 16th NMOS tube S16;Wherein, the first secondary low-pressure direct when low-voltage direct winding N3 and second is secondary
Winding N4 series connection is flowed, the drain electrode of the 13rd NMOS tube S13 is connect with the other end of the first pair side low-voltage direct winding N3, and the 13rd
The source electrode of NMOS tube S13 is connect with the source electrode of the 14th NMOS tube S14;The drain electrode of 14th NMOS tube S14 is low with the second secondary side
The other end of straightening stream winding N4 connects;The drain electrode of 15th NMOS tube S15 and the first pair side low-voltage direct winding N3 and second
Line connection between secondary side low-voltage direct winding N4, the drain electrode of the source electrode and the 16th NMOS tube S16 of the 15th NMOS tube S15
Connection, the drain electrode of the 16th NMOS tube S16 are connect with the source electrode of the 14th NMOS tube S14.
The low-voltage direct side filtering and protective module 5 include: filter inductance LDC, filter capacitor CLVB, the 17th NMOS tube
S17 and the 18th NMOS tube S18;Wherein, LDCAnd CLVBLC filter circuit is constituted, S17 and S18 are that anti-reverse/reverse-filling is opened
It closes;Filter inductance LDCOne end connect with the drain electrode of the 16th NMOS tube S16, the other end and filter capacitor CLVBConnection;Filtered electrical
Hold CLVBThe other end connect with the source electrode of the 16th NMOS tube S16;The source electrode and filter inductance L of 17th NMOS tube S17DCWith
Filter capacitor CLVBBetween line connection, the drain electrode of the 17th NMOS tube S17 connect with the drain electrode of the 18th NMOS tube S18, the
The source electrode and filter capacitor C of 18 NMOS tube S18LVBThe other end connection.
The high voltage direct current side energy change-over switch module 6 includes: half-bridge converter (S9, S10, S11, S12) and high pressure
DC side filter capacitor CHVB.The half-bridge converter includes: the 9th NMOS tube S9, the tenth NMOS tube S10, the 11st NMOS tube
S11 and the 12nd NMOS tube S12;Wherein, the source electrode of the 9th NMOS tube S9 is connect with the drain electrode of the tenth NMOS tube S10, and the 9th
The drain electrode of NMOS tube S9 is connect with the drain electrode of the 11st NMOS tube S11;The source electrode and the 12nd NMOS tube of 11st NMOS tube S11
The drain electrode of S12 connects, and the source electrode of the 12nd NMOS tube S12 is connect with the source electrode of the tenth NMOS tube S10;High voltage direct current side filtered electrical
Hold CHVBOne end connect with the drain electrode of the 11st NMOS tube S11, the other end is connect with the source electrode of the 12nd NMOS tube S12.
Further, the electric integrating device of Vehicular charger of the invention and vehicle-mounted DCDC further include AC power source AC,
High-tension battery group and A-battery group, the AC power source AC are set to the anode of first diode D1 with third diode D3's
Between anode;The high-tension battery group and high voltage direct current side filter capacitor CHVBIt is in parallel;The anode and the tenth of the A-battery group
The source electrode of eight NMOS tube S18 connects, the cathode and filter capacitor C of the A-battery groupLVBThe other end connection.
In addition, the rate switch in the present invention program includes being not limited to triode, can also be opened for metal-oxide-semiconductor, IGBT constant power
Guan Guan;It can be Single-phase PFC, two-phase PFC and three-phase PFC in PFC module;Any phase can for single channel Boost, two-way Boost,
Three road Boost and multichannel Boost;Primary side topology can be LLC topology in transformer module 3, or phase-shifting full-bridge topology.
In the structure other than transformer and metal-oxide-semiconductor share, some low-voltage circuits, such as microcontroller, sample circuit, driving electricity
Road, protection circuit, power circuit etc. can all carry out shared, only in schematic diagram and be not drawn into.Stating structure may be implemented
The vehicle mounted dynamic battery of 3.3kW, 6.6kW, 11kW, 22kW charge, and vehicle-mounted DCDC power also can be configured according to actual needs.
Five kinds of work may be implemented in electric integrating device based on Vehicular charger and vehicle-mounted DCDC with structure as above
Mode: vehicle-mounted DCDC works independently mode, Vehicular charger high voltage direct current side charge mode, Vehicular charger high low pressure
DC side charge mode, high voltage direct current side bus capacitor electric discharge operating mode and high voltage direct current side bus capacitor preliminary filling electrician
Operation mode;Wherein, Vehicular charger high voltage direct current side charge mode corresponding A C power grid is high-tension battery charging operating condition;It is vehicle-mounted
Charger high low pressure DC side charge mode corresponding A C power grid is high-tension battery and A-battery charging operating condition simultaneously;It is high
Straightening stream side bus capacitor electric discharge operating mode corresponds to high direct voltage side bus capacitor electric discharge operating condition;High voltage direct current side bus capacitor
Precharge operating mode corresponds to high voltage direct current side bus capacitor precharge operating condition.
Specifically, the configuration state of system specifically refers to Fig. 2 to Fig. 5 under associative mode.
As shown in Fig. 2, the electric integrating device be in vehicle-mounted DCDC work independently mode when, transformer AC exchange side function
Rate switching tube is in off working state, and transformer high-voltage DC side and low-voltage direct side power switch tube are in running order.
The working condition of modules in the electric integrating device are as follows: PFC module 1, the side high pressure AC energy change-over switch module 2 and change
Depressor module 3 is in off working state;In low-voltage direct side energy change-over switch module 4, the 13rd NMOS tube S13 and the tenth
Four NMOS tube S14 are in synchronous rectification control, and the 15th NMOS tube S15 is in the conductive state, and the 16th NMOS tube S16 is in disconnected
Open state;In the filtering of low-voltage direct side and protective module 5, switching tube the 17th NMOS tube S17 and the tenth of anti-reverse/reverse-filling
Eight NMOS tube S18 are in the conductive state;In high voltage direct current side energy change-over switch module 6, by the 9th NMOS tube S9, the tenth NMOS
The half-bridge converter that pipe S10, the 11st NMOS tube S11 and the 12nd NMOS tube S12 are collectively formed is in phase-shifting full-bridge control.This
In, the damper diode of the 8th NMOS tube S8 in the side high pressure AC energy change-over switch module 2 plays the role of reverse blocking,
It when vehicle-mounted DCDC being made to work independently, avoids having voltage on PFC DC support capacitor CDC, passes through the control mode, it can realize
Vehicle-mounted DCDC works independently mode, and high voltage direct current side low-voltage direct side is made to charge.
As shown in figure 3, when the electric integrating device is in Vehicular charger high voltage direct current side charge mode, transformation
Device low-voltage direct side power switch tube is in off working state, and at the exchange side transformer AC and high voltage direct current side power switch tube
In working condition.The working condition of modules in the electric integrating device are as follows: low-voltage direct side energy change-over switch module 4
Off working state is in the filtering of low-voltage direct side and protective module 5;PFC module 1 is in traditional PFC control model, i.e.,
220V alternating current is converted into 400V direct current, and makes input current and input voltage same-phase simultaneously;High pressure AC side energy turns
It changes in switch module 2, is collectively formed by the 4th NMOS tube S4, the 5th NMOS tube S5, the 6th NMOS tube S6 and the 7th NMOS tube S7
Half-bridge converter be in frequency modulation(PFM) control, the 8th NMOS tube S8 is in the conductive state;In transformer module 3, by resonance electricity
Sense Lr, resonant capacitance Cr, primary side winding N1 and pair side high voltage direct current winding N2 collectively form LLC topology, and in conjunction with the high pressure
Frequency modulation(PFM) (PFM) control of half-bridge converter (S4, S5, S6, S7), realizes efficiently in the side AC energy change-over switch module 2
The LLC of rate is controlled.It is worth noting that, under this kind of operating mode, the 13rd in low-voltage direct side energy change-over switch module 4
NMOS tube S13, the 14th NMOS tube S14, the 15th NMOS tube S15 source electrode and drain electrode between have a parasitic diode (or
Claim body diode) the low-voltage direct winding N4 that keeps transformer first secondary when low-voltage direct winding N3 and second is secondary in open-circuit condition,
Avoid influence of the winding N3 and N4 to the operating mode.Pass through the control mode, it can realize the high straightening of Vehicular charger
Side charge mode is flowed, AC exchange side high voltage direct current side charging is made.
As shown in figure 4, when the electric integrating device is in Vehicular charger high low pressure DC side charge mode,
Transformer AC exchange side, high voltage direct current side and low-voltage direct side power switch tube are in working condition.The electrical integrated dress
Set the working condition of middle modules are as follows: PFC module 1 is in PFC control model, i.e., 220V alternating current is converted to 400V direct current
Electricity, and make input current and input voltage same-phase simultaneously;In the side high pressure AC energy change-over switch module 2, by the 4th NMOS tube
The half-bridge converter that S4, the 5th NMOS tube S5, the 6th NMOS tube S6 and the 7th NMOS tube S7 are collectively formed is in frequency modulation(PFM) control
System, the 8th NMOS tube S8 are in the conductive state;In transformer module 3, by resonant inductance Lr, resonant capacitance Cr, primary side winding N1
And pair side high voltage direct current winding N2 collectively forms LLC topology, and combines single-phase inversion in the side high pressure AC energy change-over switch module 2
The frequency modulation(PFM) (PFM) of bridge (S4, S5, S6, S7) controls, and realizes efficient LLC control;Energy conversion in high voltage direct current side is opened
It closes in module 6, by the 9th NMOS tube S9, the tenth NMOS tube S10, the 11st NMOS tube S11 and the 12nd common structure of NMOS tube S12
At half-bridge converter have the initiative or passive rectification state;In low-voltage direct side energy change-over switch module 4, the 13rd NMOS
Pipe S13 and the 14th NMOS tube S14 is in synchronous rectification control, and (S15 is that built-in Buck-Boost is opened to the 15th NMOS tube S15
Close pipe) it is in pulse width modulation controlled, the 16th NMOS tube S16 is in synchronous rectification control, and switching tube S15 and S16 are realized
Buck function, this is mainly due to system control freedom degree only one, but charge target has high-tension battery and A-battery,
Therefore it must be added to additional control freedom degree come charging while realizing high-tension battery and A-battery;The filtering of low-voltage direct side
And in protective module 5, the 17th NMOS tube S17 and the 18th NMOS tube S18 are in the conductive state.By the control mode,
Vehicular charger high low pressure DC side charge mode can be thus achieved, make the exchange side high voltage direct current side AC and low-pressure direct
Flow side charging.
It is worth noting that, charging topology in high voltage direct current side, using LLC topology, which requires every
For some time transformer secondary high voltage direct current winding N2 of a period needs to be detached from transformer, i.e. winding N2 is in open-circuit condition.
Due to low-voltage direct side and high voltage direct current side common transformer, in order to not influence the work of LLC topology, the conversion of low-voltage direct side energy
Pulsewidth modulation (PWM) control of switching tube S15 needs to convert with high voltage direct current side energy in the built-in Buck-Boost of switch module 4
Half-bridge converter synchronizes control in switch module 6, i.e., when winding N2 is in open-circuit condition, switching tube S15, S13 and S14 must
It must be in an off state, so that the first secondary low-voltage direct winding N4 when low-voltage direct winding N3 and second is secondary is also detached from transformation
Device, and be in open-circuit condition.Referring to FIG. 5, it is in vehicle-mounted charge for the electric integrating device of Vehicular charger and vehicle-mounted DCDC
When machine high low pressure DC side charge mode, the control situation schematic diagram of the 15th NMOS tube.As shown in figure 5, T is switch
The duration that pipe S15 cannot be connected, iLr are the electric current in resonant inductance Lr, and iLm is the electricity in transformer primary side magnetizing inductance
Stream, D are the maximum duty cycle of switching tube S15, and similarly, switching tube S13 and S14 must be controlled in time T as shown in Figure 5
It is in an off state.
As shown in fig. 6, when the electric integrating device is in high voltage direct current side bus capacitor electric discharge operating mode, transformer
AC exchange side power switch tube is in off working state, and transformer high-voltage DC side is in low-voltage direct side power switch tube
Working condition, the operating mode and vehicle-mounted the DCDC mode that works independently are similar, but in the operating mode, high voltage direct current side output end
It is detached from high voltage power battery, but still has voltage on high voltage dc bus capacitor, therefore need to lead to energy in the DC bus
It crosses vehicle-mounted DCDC to convert into 12V A-battery, the dc-link capacitance voltage is down to 60V safe voltage at the appointed time
Hereinafter, the mode controlling mode and vehicle-mounted DCDC work independently, mode controlling mode is identical.
The working condition of modules in the electric integrating device are as follows: PFC module 1, the side high pressure AC energy change-over switch
Module 2 and transformer module 3 are in off working state;In low-voltage direct side energy change-over switch module 4, the 13rd NMOS tube
S13 and the 14th NMOS tube S14 is in synchronous rectification control, and the 15th NMOS tube S15 is in the conductive state, the 16th NMOS tube
S16 is in an off state;In the filtering of low-voltage direct side and protective module 5, the 17th NMOS tube S17 and the 18th NMOS tube S18
It is in the conductive state;In high voltage direct current side energy change-over switch module 6, by the 9th NMOS tube S9, the tenth NMOS tube S10, the tenth
The half-bridge converter that one NMOS tube S11 and the 12nd NMOS tube S12 are collectively formed is in phase-shifting full-bridge control, and high-tension battery group
It is separated with high voltage direct current side output end (as shown in fig. 6, CHVBThe non-parallel high voltage battery pack in both ends).
As shown in fig. 7, when the electric integrating device is in high voltage direct current side bus capacitor precharge operating mode, transformation
Device AC exchange side power switch tube is in off working state, and at transformer high-voltage DC side and low-voltage direct side power switch tube
In working condition.The working condition of modules in the electric integrating device are as follows: PFC module 1, the conversion of high pressure AC side energy are opened
It closes module 2 and transformer module 3 is in off working state;In low-voltage direct side energy change-over switch module 4, the 13rd NMOS
One in pipe S13 and the 14th NMOS tube S14 is in the conductive state, another is in an off state;15th NMOS tube S15
It is controlled in synchronous rectification, the 16th NMOS tube S16 is in pulse-width regulated (PWM) control, switching tube S16 and S15 combination LC filter
Wave circuit (LDC, CLVB) realizes Boost function;Low-voltage direct side filtering and protective module 5 in, the 17th NMOS tube S17 and
18th NMOS tube S18 is in the conductive state;In high voltage direct current side energy change-over switch module 6, by the 9th NMOS tube S9, the tenth
The half-bridge converter that NMOS tube S10, the 11st NMOS tube S11 and the 12nd NMOS tube S12 are collectively formed is in passive rectification shape
State.Pass through the control mode, it can realize that high voltage direct current side bus capacitor is pre-charged operating mode, that is, pass through low-voltage direct
Side 12V battery is that high voltage direct current side bus capacitor is pre-charged.
To sum up, described vehicle-mounted to fill in the electric integrating device of Vehicular charger provided by the present invention and vehicle-mounted DCDC
The electric integrating device of motor and vehicle-mounted DCDC include: PFC module, the side high pressure AC energy change-over switch module, transformer module,
Low-voltage direct side energy change-over switch module, the filtering of low-voltage direct side and protective module and high voltage direct current side energy change-over switch mould
Block;Wherein, PFC module, the side high pressure AC energy change-over switch module and transformer module are sequentially connected, transformer module and low pressure
DC side energy change-over switch module is connected with high voltage direct current side energy change-over switch module, and energy conversion in low-voltage direct side is opened
Module is closed to connect with protective module.It is shared by electrical component Vehicular charger and vehicle-mounted DCDC to be realized to electrical integrated, phase
Than the volume that individual Vehicular charger and vehicle-mounted DCDC save device occupancy, total weight is alleviated, is reduced costs.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims
Range.
Claims (14)
1. the electric integrating device of a kind of Vehicular charger and vehicle-mounted DCDC characterized by comprising PFC module (1), high pressure
The side AC energy change-over switch module (2), transformer module (3), low-voltage direct side energy change-over switch module (4), low-voltage direct
Side filtering and protective module (5) and high voltage direct current side energy change-over switch module (6);Wherein, PFC module (1), the side high pressure AC energy
Amount change-over switch module (2) and transformer module (3) are sequentially connected, and transformer module (3) is opened with the conversion of low-voltage direct side energy
It closes module (4) to be connected with high voltage direct current side energy change-over switch module (6), low-voltage direct side energy change-over switch module (4)
It is connect with protective module (5).
2. the electric integrating device of Vehicular charger as described in claim 1 and vehicle-mounted DCDC, which is characterized in that the PFC
Module (1) includes: first diode (D1), the second diode (D2), third diode (D3), the 4th diode (D4), the 5th
Diode (D5), the 6th diode (D6), the 7th diode (D7), the first inductance (L1), the second inductance (L2), third inductance
(L3), the first NMOS tube (S1), the second NMOS tube (S2), third NMOS tube (S3) and capacitor (CDC);Wherein, first diode
(D1) it connects with the second diode (D2), third diode (D3) is connected with the 4th diode (D4), the first diode
(D1) cathode is connect with the cathode of third diode (D3), the sun of the anode of the second diode (D2) and the 4th diode (D4)
Pole connection;One end of first inductance (L1) is connect with the cathode of third diode (D3), the other end and the 5th diode (D5)
Anode connection;One end of second inductance (L2) is connect with the cathode of third diode (D3), the other end and the 6th diode (D6)
Anode connection;One end of third inductance (L3) is connect with the cathode of third diode (D3), the other end and the 7th diode
(D7) anode connection;The cathode of 5th diode (D5) respectively with the cathode and the 7th diode (D7) of the 6th diode (D6)
Cathode connection;The drain electrode of first NMOS tube (S1) is connect with the anode of the 5th diode (D5), the source of the first NMOS tube (S1)
Pole is connect with the anode of the 4th diode (D4);The drain electrode of second NMOS tube (S2) is connect with the anode of the 6th diode (D6),
The source electrode of second NMOS tube (S2) is connect with the anode of the 4th diode (D4);The drain electrode of third NMOS tube (S3) and the seven or two pole
The anode connection of (D7) is managed, the source electrode of the second NMOS tube (S2) is connect with the anode of the 4th diode (D4);Capacitor (the CDC)
One end connect with the cathode of the 7th diode (D7), the other end is connect with the source electrode of third NMOS tube (S3).
3. the electric integrating device of Vehicular charger as claimed in claim 2 and vehicle-mounted DCDC, which is characterized in that the high pressure
The side AC energy change-over switch module (2) includes: the 4th NMOS tube (S4), the 5th NMOS tube (S5), the 6th NMOS tube (S6), the 7th
NMOS tube (S7) and the 8th NMOS tube (S8);Wherein, the 4th NMOS tube (S4), the 5th NMOS tube (S5), the 6th NMOS tube (S6),
7th NMOS tube (S7), the 8th NMOS tube (S8) and the 9th NMOS tube (S9);Wherein, the source electrode and the 5th of the 4th NMOS tube (S4)
The drain electrode of NMOS tube (S5) connects, and the drain electrode of the 4th NMOS tube (S4) is connect with the cathode of the 5th diode, the 5th NMOS tube
(S5) source electrode is connect with the source electrode of third NMOS tube;The source electrode of 6th NMOS tube (S6) and the drain electrode of the 7th NMOS tube (S7) connect
It connects, the drain electrode of the 6th NMOS tube (S6) is connect with the drain electrode of the 4th NMOS tube (S4), the source electrode and the 5th of the 7th NMOS tube (S7)
The source electrode of NMOS tube (S5) connects;The source electrode of 8th NMOS tube (S8) is connect with the cathode of the 5th diode (D5), the 8th NMOS
The drain electrode of pipe (S8) is connect with the drain electrode of the 4th NMOS tube (S4).
4. the electric integrating device of Vehicular charger as claimed in claim 3 and vehicle-mounted DCDC, which is characterized in that the transformation
Device module (3) includes: resonant inductance (Lr), resonant capacitance (Cr), primary side winding (N1), secondary side high voltage direct current winding (N2), the
The one secondary low-voltage direct winding (N4) when low-voltage direct winding (N3) and second are secondary;Wherein, one end of resonant inductance (Lr) and the
The source electrode of four NMOS tubes (S4) connects, and the other end is connect with the one end of primary side winding (N1);One end of resonant capacitance (Cr) and the
The drain electrode of seven NMOS tubes (S7) connects, and the other end is connect with the other end of primary side winding (N1);First secondary side low-voltage direct winding
(N3) it connects with the second secondary side low-voltage direct winding (N4).
5. the electric integrating device of Vehicular charger as claimed in claim 4 and vehicle-mounted DCDC, which is characterized in that the low pressure
DC side energy change-over switch module (4) includes: the 13rd NMOS tube (S13), the 14th NMOS tube (S14), the 15th NMOS
Manage (S15) and the 16th NMOS tube (S16);Wherein, the first secondary low-voltage direct when low-voltage direct winding (N3) is secondary with second around
Group (N4) series connection, the drain electrode of the 13rd NMOS tube (S13) are connect with the other end of the first secondary side low-voltage direct winding (N3), and the tenth
The source electrode of three NMOS tubes (S13) is connect with the source electrode of the 14th NMOS tube (S14);The drain electrode of 14th NMOS tube (S14) and the
The other end of second mate side low-voltage direct winding (N4) connects;The drain electrode of 15th NMOS tube (S15) and the first secondary side low-voltage direct
Line connection between winding (N3) and the second secondary side low-voltage direct winding (N4), the source electrode of the 15th NMOS tube (S15) and the
The drain electrode of 16 NMOS tubes (S16) connects, and the drain electrode of the 16th NMOS tube (S16) and the source electrode of the 14th NMOS tube (S14) connect
It connects.
6. the electric integrating device of Vehicular charger as claimed in claim 5 and vehicle-mounted DCDC, which is characterized in that the low pressure
DC side filtering and protective module (5) include: filter inductance (LDC), filter capacitor (CLVB), the 17th NMOS tube (S17) and
18 NMOS tubes (S18);Wherein, filter inductance (LDC) one end connect with the drain electrode of the 16th NMOS tube (S16), the other end with
Filter capacitor (CLVB) connection;Filter capacitor (CLVB) the other end connect with the source electrode of the 16th NMOS tube (S16);17th
The source electrode and filter inductance (L of NMOS tube (S17)DC) and filter capacitor (CLVB) between line connection, the 17th NMOS tube
(S17) drain electrode is connect with the drain electrode of the 18th NMOS tube (S18), the source electrode and filter capacitor of the 18th NMOS tube (S18)
(CLVB) the other end connection.
7. the electric integrating device of Vehicular charger as claimed in claim 6 and vehicle-mounted DCDC, which is characterized in that the high pressure
DC side energy change-over switch module (6) includes: the 9th NMOS tube (S9), the tenth NMOS tube (S10), the 11st NMOS tube
(S11), the 12nd NMOS tube (S12) and high voltage direct current side filter capacitor (CHVB);Wherein, the source electrode of the 9th NMOS tube (S9) with
The drain electrode of tenth NMOS tube (S10) connects, and the drain electrode of the 9th NMOS tube (S9) is connect with the drain electrode of the 11st NMOS tube (S11);
The source electrode of 11st NMOS tube (S11) is connect with the drain electrode of the 12nd NMOS tube (S12), the source electrode of the 12nd NMOS tube (S12)
It is connect with the source electrode of the tenth NMOS tube (S10);High voltage direct current side filter capacitor CHVBOne end and the 11st NMOS tube (S11)
Drain electrode connection, the other end are connect with the source electrode of the 12nd NMOS tube (S12).
8. the electric integrating device of Vehicular charger as claimed in claim 7 and vehicle-mounted DCDC, which is characterized in that further include handing over
Galvanic electricity source (AC), high-tension battery group and A-battery group, the AC power source (AC) are set to the anode of first diode (D1)
Between the anode of third diode (D3);The high-tension battery group and high voltage direct current side filter capacitor (CHVB) in parallel;It is described low
The anode of piezoelectric battery group is connect with the source electrode of the 18th NMOS tube (S18), the cathode and filter capacitor of the A-battery group
(CLVB) the other end connection.
9. the electric integrating device of Vehicular charger as claimed in claim 8 and vehicle-mounted DCDC, which is characterized in that described electrical
Integrating device tool is there are five types of operating mode, comprising: vehicle-mounted DCDC works independently mode, Vehicular charger high voltage direct current side battery charger
Operation mode, Vehicular charger high low pressure DC side charge mode, high voltage direct current side bus capacitor electric discharge operating mode and height
Straightening stream side bus capacitor is pre-charged operating mode;Wherein, Vehicular charger high voltage direct current side charge mode corresponding A C electricity
Net is high-tension battery charging operating condition;Vehicular charger high low pressure DC side charge mode corresponding A C power grid is high pressure simultaneously
Battery and A-battery charging operating condition;High voltage direct current side bus capacitor electric discharge operating mode corresponds to high direct voltage side bus capacitor and puts
Electrician's condition;High voltage direct current side bus capacitor precharge operating mode corresponds to high voltage direct current side bus capacitor precharge operating condition.
10. the electric integrating device of Vehicular charger as claimed in claim 9 and vehicle-mounted DCDC, which is characterized in that the electricity
Gas integrating device be in vehicle-mounted DCDC work independently mode when, PFC module (1), the side high pressure AC energy change-over switch module (2) and
Transformer module (3) is in off working state;In low-voltage direct side energy change-over switch module (4), the 13rd NMOS tube
(S13) and the 14th NMOS tube (S14) is in synchronous rectification control, and the 15th NMOS tube (S15) is in the conductive state, and the 16th
NMOS tube (S16) is in an off state;In the filtering of low-voltage direct side and protective module (5), the 17th NMOS tube (S17) and the tenth
Eight NMOS tubes (S18) are in the conductive state;In high voltage direct current side energy change-over switch module (6), by the 9th NMOS tube (S9),
The half-bridge converter that ten NMOS tubes (S10), the 11st NMOS tube (S11) and the 12nd NMOS tube (S12) collectively form, which is in, to be moved
The control of phase full-bridge.
11. the electric integrating device of Vehicular charger as claimed in claim 9 and vehicle-mounted DCDC, which is characterized in that the electricity
When gas integrating device is in Vehicular charger high voltage direct current side charge mode, low-voltage direct side energy change-over switch module
(4) and low-voltage direct side filters and protective module (5) is in off working state;PFC module (1) is in PFC control model;It is high
Press the side AC energy change-over switch module (2) in, by the 4th NMOS tube (S4), the 5th NMOS tube (S5), the 6th NMOS tube (S6) and
The half-bridge converter that 7th NMOS tube (S7) collectively forms is in frequency modulation(PFM) control, and the 8th NMOS tube (S8) is on shape
State;In transformer module (3), by resonant inductance (Lr), resonant capacitance (Cr), primary side winding (N1) and secondary side high voltage direct current winding
(N2) LLC topology is collectively formed, the first secondary low-voltage direct winding (N4) when low-voltage direct winding (N3) and second are secondary is in open circuit
State.
12. the electric integrating device of Vehicular charger as claimed in claim 9 and vehicle-mounted DCDC, which is characterized in that the electricity
When gas integrating device is in Vehicular charger high low pressure DC side charge mode, PFC module (1) is in PFC control mould
Formula;In the side high pressure AC energy change-over switch module (2), by the 4th NMOS tube (S4), the 5th NMOS tube (S5), the 6th NMOS tube
(S6) and the half-bridge converter that collectively forms of the 7th NMOS tube (S7) is in frequency modulation(PFM) control, and the 8th NMOS tube (S8) is in and leads
Logical state;In transformer module (3), by resonant inductance (Lr), resonant capacitance (Cr), primary side winding (N1) and secondary side high voltage direct current
Winding (N2) collectively forms LLC topology;In high voltage direct current side energy change-over switch module (6), by the 9th NMOS tube (S9), the tenth
The half-bridge converter that NMOS tube (S10), the 11st NMOS tube (S11) and the 12nd NMOS tube (S12) collectively form has the initiative
Or passive rectification state;In low-voltage direct side energy change-over switch module (4), the 13rd NMOS tube (S13) and the 14th NMOS
Pipe (S14) be in synchronous rectification and controls, and the 15th NMOS tube (S15) is in pulse width modulation controlled, at the 16th NMOS tube (S16)
It is controlled in synchronous rectification;In the filtering of low-voltage direct side and protective module (5), the 17th NMOS tube (S17) and the 18th NMOS tube
(S18) in the conductive state.
13. the electric integrating device of Vehicular charger as claimed in claim 9 and vehicle-mounted DCDC, which is characterized in that the electricity
When gas integrating device is in high voltage direct current side bus capacitor electric discharge operating mode, PFC module (1), the conversion of high pressure AC side energy are opened
It closes module (2) and transformer module (3) is in off working state;In low-voltage direct side energy change-over switch module (4), the tenth
Three NMOS tubes (S13) and the 14th NMOS tube (S14) are in synchronous rectification control, and the 15th NMOS tube (S15) is on shape
State, the 16th NMOS tube (S16) are in an off state;In the filtering of low-voltage direct side and protective module (5), the 17th NMOS tube
(S17) and the 18th NMOS tube (S18) is in the conductive state;In high voltage direct current side energy change-over switch module (6), by the 9th
NMOS tube (S9), the tenth NMOS tube (S10), the 11st NMOS tube (S11) and the 12nd NMOS tube (S12) collectively form single-phase
Inverter bridge is in phase-shifting full-bridge control, and high-tension battery group is separated with high voltage direct current side output end.
14. the electric integrating device of Vehicular charger as claimed in claim 9 and vehicle-mounted DCDC, which is characterized in that the electricity
When gas integrating device is in high voltage direct current side bus capacitor precharge operating mode, PFC module (1), the conversion of high pressure AC side energy
Switch module (2) and transformer module (3) are in off working state;In low-voltage direct side energy change-over switch module (4), the
One in 13 NMOS tubes (S13) and the 14th NMOS tube (S14) is in the conductive state, another is in an off state;The
15 NMOS tubes (S15) are in synchronous rectification control, and the 16th NMOS tube (S16) is in pulse-width regulated control;Low-voltage direct side
In filtering and protective module (5), the 17th NMOS tube (S17) and the 18th NMOS tube (S18) are in the conductive state;High voltage direct current
In side energy change-over switch module (6), by the 9th NMOS tube (S9), the tenth NMOS tube (S10), the 11st NMOS tube (S11) and
The half-bridge converter that 12nd NMOS tube (S12) collectively forms is in passive rectification state.
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CN201811063749.5A CN109167423A (en) | 2018-09-12 | 2018-09-12 | The electric integrating device of Vehicular charger and vehicle-mounted DCDC |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1919070A2 (en) * | 2006-10-31 | 2008-05-07 | TDK Corporation | Switching power supply unit |
CN103904760A (en) * | 2014-03-25 | 2014-07-02 | 奇瑞汽车股份有限公司 | Electric vehicle vehicle-mounted charge control system and control method thereof |
CN107785966A (en) * | 2017-11-11 | 2018-03-09 | 河南森源电气股份有限公司 | Battery charge-discharge circuit with short circuit and reversal connection protection function |
CN207368721U (en) * | 2017-10-31 | 2018-05-15 | 北京新能源汽车股份有限公司 | A kind of Vehicular power system and electric automobile |
CN207410089U (en) * | 2017-10-31 | 2018-05-25 | 北京新能源汽车股份有限公司 | A kind of Vehicular power system and electric vehicle |
-
2018
- 2018-09-12 CN CN201811063749.5A patent/CN109167423A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1919070A2 (en) * | 2006-10-31 | 2008-05-07 | TDK Corporation | Switching power supply unit |
CN103904760A (en) * | 2014-03-25 | 2014-07-02 | 奇瑞汽车股份有限公司 | Electric vehicle vehicle-mounted charge control system and control method thereof |
CN207368721U (en) * | 2017-10-31 | 2018-05-15 | 北京新能源汽车股份有限公司 | A kind of Vehicular power system and electric automobile |
CN207410089U (en) * | 2017-10-31 | 2018-05-25 | 北京新能源汽车股份有限公司 | A kind of Vehicular power system and electric vehicle |
CN107785966A (en) * | 2017-11-11 | 2018-03-09 | 河南森源电气股份有限公司 | Battery charge-discharge circuit with short circuit and reversal connection protection function |
Non-Patent Citations (1)
Title |
---|
辛伊波: "《新型电源变换与控制》", 31 January 2014 * |
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