CN109962519A - A kind of DC charging system of portable charger - Google Patents
A kind of DC charging system of portable charger Download PDFInfo
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- CN109962519A CN109962519A CN201910286164.8A CN201910286164A CN109962519A CN 109962519 A CN109962519 A CN 109962519A CN 201910286164 A CN201910286164 A CN 201910286164A CN 109962519 A CN109962519 A CN 109962519A
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- 239000003990 capacitor Substances 0.000 claims description 48
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
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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
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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
- Y02T10/7072—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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
-
- 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
- Y02T90/12—Electric charging stations
-
- 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
-
- 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
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention discloses a kind of DC charging systems of portable charger, including DSP governor circuit, active PFC correcting circuit, DCDC full-bridge phase-shifting resonance soft switch circuit, single phase ac input connects EMC input filter circuit through input insurance, by EMC input filter circuit, EMC input filter circuit order commutating phase and soft starting circuit, then it is connected to source PFC correcting circuit, active PFC correcting circuit connects DCDC full-bridge phase-shifting resonance soft switch circuit, DCDC full-bridge phase-shifting resonance circuit connects bridge rectifier through main transformer, it is followed by output filter circuit, output filter circuit is exported the anti-circuit that fills and connects output control circuit then direct current output.It uses the charging for making electric vehicle be especially electronic logistic car after the present invention more convenient, and makes the volume of portable charger smaller due to using total solution, weight is lighter, and cost is lower.
Description
Technical field
The invention belongs to electric vehicle charging equipment technical field more particularly to a kind of DC charging systems of portable charger
System.
Background technique
With the rapid development of New-energy electric vehicle, the substantial increase of the sales volume of New-energy electric vehicle, electronic vapour
The charging problems of vehicle become increasingly conspicuous.
Since current charging pile quantity is few, charging place is fixed, and charging increases income service charge.When have electric car because surplus
Remaining not enough power supply can not rush to the case where charging pile is charged.And the electronic logistic car itself produced at present is without OBC, it must
It must be charged using direct current stake, it is very big, immovable etc. that user buys large-sized DC charging pile somewhat expensive, occupied space, causes
Electric vehicle is especially electronic logistic car charging and is restricted.Few single phase ac 220V inputs currently on the market, 200V-700V
The portable charging apparatus of direct current output.Even if having this portable charging apparatus is also to use common DC charging module again
With one specially monitoring module and display unit etc. piece together.At high cost in this way, volume is big, than cumbersome.
Summary of the invention
The purpose of the present invention is to provide a kind of DC charging systems of portable charger, are asked with solving above-mentioned technology
Topic.
To achieve the above object the invention adopts the following technical scheme:
A kind of DC charging system of portable charger, including DSP governor circuit, active PFC correcting circuit, DCDC full-bridge move
Phase resonance soft switch circuit, single phase ac input connects EMC input filter circuit through input insurance, by EMC input filter circuit,
EMC input filter circuit order commutating phase and soft starting circuit, are then connected to source PFC correcting circuit, and active PFC correcting circuit connects
DCDC full-bridge phase-shifting resonance soft switch circuit, DCDC full-bridge phase-shifting resonance circuit connect bridge rectifier through main transformer, are followed by
Output filter circuit, output filter circuit are exported the anti-circuit that fills and connect output control circuit then direct current output.
As a further solution of the present invention, further include auxiliary supply transformer, provide accessory power supply for complete machine.
It as a further solution of the present invention, further include CAN communication circuit, for being communicated with the BMS of electric vehicle.
As a further solution of the present invention, DSP governor circuit uses TMS320F28034PZA/LQFP master control DSP core
Piece, display part is by the way of 3 LED lights and 3 numeral methods.
As a further solution of the present invention, exchange input wires terminal L connects varistor YM1, the one end YM3 through insuring F1
And the one end X capacitor CX2, the one end Y capacitance CY1 and the end input filter inductance L2-2；Exchange input wires terminal N connects varistor
The YM1 other end, the one end YM2 and the X capacitor other end, the one end Y capacitance CY2 and the end input filter inductance L2-1；Varistor YM2,
The YM3 other end is grounded through discharge tube PQT1, varistor YM1, YM2, YM3 and discharge tube PQT1 composition input lightning protection circuit；Y electricity
Hold CY1, CY2 other end ground connection；Connecting terminal J7 is ground terminal；Exchange the one of input filter inductance L2-3 termination X capacitor CX3
End, one end of Y capacitance CY6 and whole wave bridge ac input end D1-1, D1-3；It exchanges input filter inductance L2-4 and terminates X capacitor CX3
The other end, one end of Y capacitance CY5 and whole wave bridge ac input end D2-1, D2-3；Y capacitance CY5, CY6 other end ground connection；X electricity
Hold CX2, CX3, Y capacitance CY1, YC2, CY5, CY6 and input filter inductance L2 composition input EMI filter circuit；Rectifier bridge D1-4
It meets rectifier bridge D2-4 and connects the one end high-frequency filter capacitor C2 as rectification output REC+；Rectifier bridge D1-2 meets rectifier bridge D2-2 and connects high frequency filter
The wave capacitor C2 other end is rectification output REC-；
Rectification output REC+ is followed by one end of PFC inductance L1 through input relay K1 and soft start resistance RR1, RR2；PFC inductance
Another termination PFC switching tube Q1, Q2 drain electrode and rectifying tube D3 anode, the cathode of D3 meets PFC bus filter capacitor C16,
The anode of C17, C18, this point are that PFC exports bus anode, that is, BUS+；REC- is through PFC sample resistance RF1, RF2 for rectification output,
RF3 is followed by the source electrode of PFC switching tube Q1, Q2, and connects the cathode of PFC bus filter capacitor C16, C17, C18, this point is that PFC is defeated
Bus cathode, that is, BUS- out；The gate driving of PFC switching tube Q1, Q2 provides by Single-phase PFC special correcting circuit chip I R1150IS,
Control；PFC inductance L1 opens sample pipe Q1, Q2, rectifying tube D3, bus filter capacitor C16, C17, C18 and sample resistance RF1, RF2,
The composition Single-Phase Active Power Factor Correction Circuit such as driving circuit of RF3 and IR1150IS chip composition；
PFC bus BUS+ connects full-bridge phase shifting switching tube Q5, Q6 drain electrode and clamper tube D13 cathode；Full-bridge phase shifting switching tube Q5 source electrode
Switching tube Q7 drain electrode is connect, while full-bridge phase shifting switching tube Q5 source electrode connects the DCDC transformation end main transformer TR4-1 through resonant inductance L6,
The end main transformer TR4-1 also connects clamper tube D13 anode and clamper tube D17 cathode simultaneously；DCDC converts the end main transformer TR4-2 warp
Resonant capacitance C50, C51 connect full-bridge phase shifting switching tube Q8 drain electrode and full-bridge phase shifting switching tube Q6 source electrode；PFC bus BUS- connects full-bridge
Phase switcher pipe Q7, Q8 source electrode and clamper tube D17 anode；The gate driving of full-bridge phase shifting switching tube Q5-Q8 is by DSP main control chip
It is controlled through isolation circuit；Switching tube Q5-Q8 and resonant inductance L6, resonant capacitance C50, C51, clamper tube D13, D17, main transformer pressure
Device TR4 and full-bridge phase-shifting resonance soft switch circuit is collectively constituted by the driving signal that DSP main control chip is generated through isolation circuit；
DCDC converts main transformer TR4-3 termination bridge rectifier pipe D8 anode and D14 cathode；Bridge rectifier pipe D8 cathode connects bridge-type
Rectifying tube D9 cathode, D8 cathode and D9 cathode are meeting output filter capacitor C52, C53, C48 just through output inductor L7 respectively
Pole, this point are direct current output bus anode VCAP；DCDC converts main transformer TR4-4 termination bridge rectifier pipe D9 anode and D15
Cathode；Bridge rectifier pipe D14 anode connects bridge rectifier pipe D15 anode, and D14 anode and D15 anode are through exporting current sampling resistor
RF5, RF6 connect the cathode of output filter capacitor C43, C44, C155 respectively, this point is direct current output bus cathode GCAP；Output filter
The cathode of wave capacitor C52 connects the cathode of C53, cathode and the C43 anode of C148, the anode of C44, the anode of C155 simultaneously；
Direct current output bus anode VCAP connects the end output common mode inductance L8-2 through blocking diode D10, while connecing High frequency filter electricity
Hold one end of C109, C125；Direct current output bus cathode GCAP connects the end output common mode inductance L8-1, while connecing high-frequency filter capacitor
The other end of C109, C125 and one end of Y capacitance CY3；The output common mode end inductance L8-3 is connecing direct current output just through export insurance F2
Pole connecting terminal J6, while the end output common mode inductance L8-3 also connects one end of high-frequency filter capacitor C46, direct current output positive terminal
Terminal J6 also connects one end of Y capacitance CY10；Output common mode inductance L8-4 terminates direct current output negative terminal J5, exports simultaneously
The end common mode inductance L8-4 also connects the other end of high-frequency filter capacitor C46 and one end of Y capacitance CY12；Y capacitance CY13, CY3,
The other end of CY12, CY10 are grounded.
Compared with prior art, the invention has the following advantages that
1, the input of DC charging system is single phase ac 220V input, and AC input current can be selected according to live distribution situation
16A or 32A.This is designed so that common civilian electricity is also chargeable.
2. the present invention is removable, charge convenient, flexible.
3. DC charging system uses total solution, DC charging inside modules dsp chip not only realizes that DCDC is complete
Bridge mapping function, LED digital display function, and can also be communicated with the BMS of electric vehicle, realize the charge function of DC charging module.
It no longer needs to add additional monitor board, display board etc..
4. volume is smaller, and weight is lighter due to making the cost of portable charger lower using total solution.
Detailed description of the invention
Fig. 1 is DC charging system schematic block circuit diagram of the present invention；
Fig. 2 is present invention exchange input and rectifying part circuit diagram；
Fig. 3 is PFC active power factor correction partial circuit diagram of the present invention；
Fig. 4 is DCDC full-bridge phase-shifting resonance Sofe Switch partial circuit diagram of the present invention；
Fig. 5 is that present invention output counnter attack fills partial circuit diagram；
Fig. 6 is DSP main control chip functional block diagram of the present invention.
Specific embodiment
The present invention is further elaborated in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, a kind of DC charging system of portable charger, including DSP governor circuit, active PFC correction
Circuit, DCDC full-bridge phase-shifting resonance soft switch circuit, single phase ac input connect EMC input filter circuit through input insurance, by
EMC input filter circuit, EMC input filter circuit order commutating phase and soft starting circuit, are then connected to source PFC correcting circuit,
Active PFC correcting circuit connects DCDC full-bridge phase-shifting resonance soft switch circuit, and DCDC full-bridge phase-shifting resonance circuit connects through main transformer
Bridge rectifier, is followed by output filter circuit, and output filter circuit, which is exported, anti-to be filled circuit to connect output control circuit then straight
Output transform is flowed to charge at the DC output voltage of 200-700V for electric vehicle.
The DC charging system further includes auxiliary supply transformer, provides accessory power supply for complete machine.It further include CAN communication electricity
Road, for being communicated with the BMS of electric vehicle.DSP governor circuit uses TMS320F28034PZA/LQFP master control dsp chip, shows
Show part by the way of 3 LED lights and 3 numeral methods.
As shown in figures 2-6, exchange input wires terminal L meets varistor YM1, the one end YM3 and X capacitor CX2 through insuring F1
One end, the one end Y capacitance CY1 and the end input filter inductance L2-2；Exchange input wires terminal N connects the varistor YM1 other end,
The one end YM2 and the X capacitor other end, the one end Y capacitance CY2 and the end input filter inductance L2-1；Varistor YM2, YM3 other end warp
Discharge tube PQT1 ground connection, varistor YM1, YM2, YM3 and discharge tube PQT1 composition input lightning protection circuit；Y capacitance CY1, CY2 is another
One end ground connection；Connecting terminal J7 is ground terminal；Exchange one end of input filter inductance L2-3 termination X capacitor CX3, Y capacitance CY6
One end and whole wave bridge ac input end D1-1, D1-3；Exchange the other end of input filter inductance L2-4 termination X capacitor CX3, Y
One end of capacitor CY5 and whole wave bridge ac input end D2-1, D2-3；Y capacitance CY5, CY6 other end ground connection；X capacitor CX2, CX3,
Y capacitance CY1, YC2, CY5, CY6 and input filter inductance L2 composition input EMI filter circuit；Rectifier bridge D1-4 meets rectifier bridge D2-
4 connect the one end high-frequency filter capacitor C2 as rectification output REC+；Rectifier bridge D1-2 meets rectifier bridge D2-2, and to meet high-frequency filter capacitor C2 another
One end is rectification output REC-；
Rectification output REC+ is followed by one end of PFC inductance L1 through input relay K1 and soft start resistance RR1, RR2；PFC inductance
Another termination PFC switching tube Q1, Q2 drain electrode and rectifying tube D3 anode, the cathode of D3 meets PFC bus filter capacitor C16,
The anode of C17, C18, this point are that PFC exports bus anode, that is, BUS+；REC- is through PFC sample resistance RF1, RF2 for rectification output,
RF3 is followed by the source electrode of PFC switching tube Q1, Q2, and connects the cathode of PFC bus filter capacitor C16, C17, C18, this point is that PFC is defeated
Bus cathode, that is, BUS- out；The gate driving of PFC switching tube Q1, Q2 provides by Single-phase PFC special correcting circuit chip I R1150IS,
Control；PFC inductance L1 opens sample pipe Q1, Q2, rectifying tube D3, bus filter capacitor C16, C17, C18 and sample resistance RF1, RF2,
The composition Single-Phase Active Power Factor Correction Circuit such as driving circuit of RF3 and IR1150IS chip composition；
PFC bus BUS+ connects full-bridge phase shifting switching tube Q5, Q6 drain electrode and clamper tube D13 cathode；Full-bridge phase shifting switching tube Q5 source electrode
Switching tube Q7 drain electrode is connect, while full-bridge phase shifting switching tube Q5 source electrode connects the DCDC transformation end main transformer TR4-1 through resonant inductance L6,
The end main transformer TR4-1 also connects clamper tube D13 anode and clamper tube D17 cathode simultaneously；DCDC converts the end main transformer TR4-2 warp
Resonant capacitance C50, C51 connect full-bridge phase shifting switching tube Q8 drain electrode and full-bridge phase shifting switching tube Q6 source electrode；PFC bus BUS- connects full-bridge
Phase switcher pipe Q7, Q8 source electrode and clamper tube D17 anode；The gate driving of full-bridge phase shifting switching tube Q5-Q8 is by DSP main control chip
It is controlled through isolation circuit；Switching tube Q5-Q8 and resonant inductance L6, resonant capacitance C50, C51, clamper tube D13, D17, main transformer pressure
Device TR4 and full-bridge phase-shifting resonance soft switch circuit is collectively constituted by the driving signal that DSP main control chip is generated through isolation circuit；
DCDC converts main transformer TR4-3 termination bridge rectifier pipe D8 anode and D14 cathode；Bridge rectifier pipe D8 cathode connects bridge-type
Rectifying tube D9 cathode, D8 cathode and D9 cathode are meeting output filter capacitor C52, C53, C48 just through output inductor L7 respectively
Pole, this point are direct current output bus anode VCAP；DCDC converts main transformer TR4-4 termination bridge rectifier pipe D9 anode and D15
Cathode；Bridge rectifier pipe D14 anode connects bridge rectifier pipe D15 anode, and D14 anode and D15 anode are through exporting current sampling resistor
RF5, RF6 connect the cathode of output filter capacitor C43, C44, C155 respectively, this point is direct current output bus cathode GCAP；Output filter
The cathode of wave capacitor C52 connects the cathode of C53, cathode and the C43 anode of C148, the anode of C44, the anode of C155 simultaneously；
Direct current output bus anode VCAP connects the end output common mode inductance L8-2 through blocking diode D10, while connecing High frequency filter electricity
Hold one end of C109, C125；Direct current output bus cathode GCAP connects the end output common mode inductance L8-1, while connecing high-frequency filter capacitor
The other end of C109, C125 and one end of Y capacitance CY3；The output common mode end inductance L8-3 is connecing direct current output just through export insurance F2
Pole connecting terminal J6, while the end output common mode inductance L8-3 also connects one end of high-frequency filter capacitor C46, direct current output positive terminal
Terminal J6 also connects one end of Y capacitance CY10；Output common mode inductance L8-4 terminates direct current output negative terminal J5, exports simultaneously
The end common mode inductance L8-4 also connects the other end of high-frequency filter capacitor C46 and one end of Y capacitance CY12；Y capacitance CY13, CY3,
The other end of CY12, CY10 are grounded.
Major loop principle of the present invention: single phase ac input power (specified 220VAC/50HZ) is defeated to exchanging through input insurance
Enter lightning protection circuit and exchange input EMI filter circuit, then arrive exchange input rectifying bridge, by single phase ac electric rectification after rectified bridge
At the direct current of pulsation.Direct current after rectification arrives Single-Phase Active Power Factor Correction Circuit through inputting soft starting circuit again, passes through
Unstable pulsating dc voltage is stablized into the DC voltage at 400V or so after Single-Phase Active Power Factor Correction Circuit.It is single-phase
Active power factor correction circuit is controlled by dedicated PFC PFC chip I R1150IS, and input power factor is up to
0.99 or more.
400V DC voltage after PFC correcting step-up is stablized is transformed into 200- after full-bridge phase-shifting resonance soft switch circuit
The DC output voltage of 700V charges for electric vehicle, maximum charging current 18A.It can accomplish without producer substantially on the market at present
200-700VDC so wide DC output voltage and maximum charging current reaches 18A's.Full-bridge phase-shifting resonance soft switch circuit
Driving controlled by DSP main control chip through isolation circuit.
The DSP main control chip course of work: being not detected starting-up signal after powering on, charging module is in standby, only
Accessory power supply is working.DSP main control chip is started to work after detecting starting-up signal, and whether detection handshake is normal, is shaken hands
Signal normally then starts to communicate with the BMS of electric vehicle, according to BMS electricity current voltage demand, controls the output of charging module
Voltage and current.Charge closing module immediately is held if signal is abnormal or BMS communication abnormality if detecting.Another DSP main control chip
The 4 tunnel driving signals for also generating full-bridge phase shifting adjust the speed of fan according to the temperature of the size of output electric current and inside modules
Degree and LED are shown.
The above is present pre-ferred embodiments, for the ordinary skill in the art, according to the present invention
Introduction, in the case where not departing from the principle of the present invention and spirit, changes, modifications, replacement and change that embodiment is carried out
Type is still fallen within protection scope of the present invention.
Claims (5)
1. a kind of DC charging system of portable charger, which is characterized in that including DSP governor circuit, active PFC correction electricity
Road, DCDC full-bridge phase-shifting resonance soft switch circuit, single phase ac input connects EMC input filter circuit through input insurance, by EMC
Then input filter circuit, EMC input filter circuit order commutating phase and soft starting circuit are connected to source PFC correcting circuit, active
PFC correcting circuit connects DCDC full-bridge phase-shifting resonance soft switch circuit, and DCDC full-bridge phase-shifting resonance circuit connects bridge-type through main transformer
Rectification circuit is followed by output filter circuit, and output filter circuit is exported, and anti-filling circuit connects output control circuit and then direct current is defeated
Out.
2. a kind of DC charging system of portable charger according to claim 1, which is characterized in that further include auxiliary
Power transformer provides accessory power supply for complete machine.
3. a kind of DC charging system of portable charger according to claim 1, which is characterized in that further include CAN
Communicating circuit, for being communicated with the BMS of electric vehicle.
4. a kind of DC charging system of portable charger according to claim 1, which is characterized in that DSP master control electricity
Road uses TMS320F28034PZA/LQFP master control dsp chip, and display part uses 3 LED lights and 3 charactrons
The mode of display.
5. a kind of DC charging system of portable charger according to claim 1 to 4, which is characterized in that exchange
Input wires terminal L is insured F1 and connects varistor YM1, the one end YM3 and the one end X capacitor CX2, the one end Y capacitance CY1 and input filter
The end wave inductance L2-2；Exchange input wires terminal N connects the varistor YM1 other end, the one end YM2 and the X capacitor other end, Y capacitance
The one end CY2 and the end input filter inductance L2-1；Varistor YM2, the YM3 other end is grounded through discharge tube PQT1, varistor
YM1, YM2, YM3 and discharge tube PQT1 composition input lightning protection circuit；Y capacitance CY1, CY2 other end ground connection；Connecting terminal J7 is to connect
Ground terminal；Exchange one end of input filter inductance L2-3 termination X capacitor CX3, one end of Y capacitance CY6 and the exchange input of whole wave bridge
Hold D1-1, D1-3；The other end of input filter inductance L2-4 termination X capacitor CX3 is exchanged, one end of Y capacitance CY5 and whole wave bridge are handed over
Flow input terminal D2-1, D2-3；Y capacitance CY5, CY6 other end ground connection；X capacitor CX2, CX3, Y capacitance CY1, YC2, CY5, CY6 and
Input filter inductance L2 composition input EMI filter circuit；Rectifier bridge D1-4 meets rectifier bridge D2-4 and connects the one end high-frequency filter capacitor C2
REC+ is exported for rectification；Rectifier bridge D1-2 meets rectifier bridge D2-2 and connects the high-frequency filter capacitor C2 other end as rectification output REC-；
Rectification output REC+ is followed by one end of PFC inductance L1 through input relay K1 and soft start resistance RR1, RR2；PFC inductance
Another termination PFC switching tube Q1, Q2 drain electrode and rectifying tube D3 anode, the cathode of D3 meets PFC bus filter capacitor C16,
The anode of C17, C18, this point are that PFC exports bus anode, that is, BUS+；REC- is through PFC sample resistance RF1, RF2 for rectification output,
RF3 is followed by the source electrode of PFC switching tube Q1, Q2, and connects the cathode of PFC bus filter capacitor C16, C17, C18, this point is that PFC is defeated
Bus cathode, that is, BUS- out；The gate driving of PFC switching tube Q1, Q2 provides by Single-phase PFC special correcting circuit chip I R1150IS,
Control；PFC inductance L1 opens sample pipe Q1, Q2, rectifying tube D3, bus filter capacitor C16, C17, C18 and sample resistance RF1, RF2,
The composition Single-Phase Active Power Factor Correction Circuit such as driving circuit of RF3 and IR1150IS chip composition；
PFC bus BUS+ connects full-bridge phase shifting switching tube Q5, Q6 drain electrode and clamper tube D13 cathode；Full-bridge phase shifting switching tube Q5 source electrode
Switching tube Q7 drain electrode is connect, while full-bridge phase shifting switching tube Q5 source electrode connects the DCDC transformation end main transformer TR4-1 through resonant inductance L6,
The end main transformer TR4-1 also connects clamper tube D13 anode and clamper tube D17 cathode simultaneously；DCDC converts the end main transformer TR4-2 warp
Resonant capacitance C50, C51 connect full-bridge phase shifting switching tube Q8 drain electrode and full-bridge phase shifting switching tube Q6 source electrode；PFC bus BUS- connects full-bridge
Phase switcher pipe Q7, Q8 source electrode and clamper tube D17 anode；The gate driving of full-bridge phase shifting switching tube Q5-Q8 is by DSP main control chip
It is controlled through isolation circuit；Switching tube Q5-Q8 and resonant inductance L6, resonant capacitance C50, C51, clamper tube D13, D17, main transformer pressure
Device TR4 and full-bridge phase-shifting resonance soft switch circuit is collectively constituted by the driving signal that DSP main control chip is generated through isolation circuit；
DCDC converts main transformer TR4-3 termination bridge rectifier pipe D8 anode and D14 cathode；Bridge rectifier pipe D8 cathode connects bridge-type
Rectifying tube D9 cathode, D8 cathode and D9 cathode are meeting output filter capacitor C52, C53, C48 just through output inductor L7 respectively
Pole, this point are direct current output bus anode VCAP；DCDC converts main transformer TR4-4 termination bridge rectifier pipe D9 anode and D15
Cathode；Bridge rectifier pipe D14 anode connects bridge rectifier pipe D15 anode, and D14 anode and D15 anode are through exporting current sampling resistor
RF5, RF6 connect the cathode of output filter capacitor C43, C44, C155 respectively, this point is direct current output bus cathode GCAP；Output filter
The cathode of wave capacitor C52 connects the cathode of C53, cathode and the C43 anode of C148, the anode of C44, the anode of C155 simultaneously；
Direct current output bus anode VCAP connects the end output common mode inductance L8-2 through blocking diode D10, while connecing High frequency filter electricity
Hold one end of C109, C125；Direct current output bus cathode GCAP connects the end output common mode inductance L8-1, while connecing high-frequency filter capacitor
The other end of C109, C125 and one end of Y capacitance CY3；The output common mode end inductance L8-3 is connecing direct current output just through export insurance F2
Pole connecting terminal J6, while the end output common mode inductance L8-3 also connects one end of high-frequency filter capacitor C46, direct current output positive terminal
Terminal J6 also connects one end of Y capacitance CY10；Output common mode inductance L8-4 terminates direct current output negative terminal J5, exports simultaneously
The end common mode inductance L8-4 also connects the other end of high-frequency filter capacitor C46 and one end of Y capacitance CY12；Y capacitance CY13, CY3,
The other end of CY12, CY10 are grounded.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113839457A (en) * | 2021-10-26 | 2021-12-24 | 重庆先锋渝州电器有限公司 | Charging circuit for intelligent charger |
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