CN106956604B - A kind of charging converting-device and charging system for electric automobile, method - Google Patents
A kind of charging converting-device and charging system for electric automobile, method Download PDFInfo
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- CN106956604B CN106956604B CN201710147587.2A CN201710147587A CN106956604B CN 106956604 B CN106956604 B CN 106956604B CN 201710147587 A CN201710147587 A CN 201710147587A CN 106956604 B CN106956604 B CN 106956604B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
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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
- Y02T90/12—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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention relates to charging converting-device and charging system for electric automobile, method, the charging converting-device includes DC/DC module and monitoring module, monitoring module includes: first acquisition unit, for the output voltage range of the acquisition charging equipment under electric car emulation mode, and charge requirement voltage is obtained under charging equipment emulation mode；First transmission unit, for sending the first control instruction so that charging equipment exports the first charging voltage；Input control unit, for obtaining the first charging voltage from charging equipment under electric car emulation mode；First charging voltage is converted into charge requirement voltage for sending the second control instruction to DC/DC module by the second transmission unit；Output control unit, under charging equipment emulation mode by the charge requirement voltage output after conversion to electric car.Implement technical solution of the present invention, improves the utilization rate of charging equipment, improve user experience, moreover, resource consumption is few, at low cost.
Description
Technical field
The present invention relates to electric car charging technique fields more particularly to a kind of charging converting-device and electric car to charge
System, method.
Background technique
Based on the regulation of national standard GB/T 18487.1-2015, the output voltage model of charging pile in the direct current system of existing market
It encloses including three types, first, output voltage range is 200V~500V, second, output voltage range is 350V~700V,
Three, output voltage range is 500V~950V.These three types of charging piles (nominal is high-voltage charging stake) can satisfy corresponding high pressure
The charge function of electric car (voltage range is 200V~950V), but the electric car of low pressure (voltage is less than 200V) is come
It says, can not achieve its charge function.Moreover, these three types of charging piles are only the electric car charging for meeting its voltage range, fill
Electric object is single, i.e., every a kind of charging pile is only capable of charging for the electric car of its certain corresponding a kind of voltage class, and cannot be
The electric car of other voltage class charges, and charging needed for being only such as output voltage range for the charging pile of 200V~500V needs
It asks the electric car of voltage in the range to charge, and cannot be required charge requirement voltage between 500V~950V
Electric car charges.Therefore, the charging pile charging object in existing market is single, to keep the utilization rate of charging pile low.
In addition, above-mentioned three classes charging pile has that invariable power chargeable range is narrow, e.g., voltage range be 350V~
The charging pile of 700V, invariable power chargeable range are generally 550V~700V, therefore cause the charging utilization rate of charging pile lower.
Summary of the invention
The technical problem to be solved in the present invention is that the defect low for the utilization rate of the above-mentioned charging pile of the prior art,
A kind of charging converting-device and charging system for electric automobile, method are provided.
The technical solution adopted by the present invention to solve the technical problems is: construct a kind of charging converting-device, including with fill
The first port of electric equipment connection and the second port that connect with electric car, further include DC/DC module and monitoring module, described
DC/DC module and the monitoring module are connected with the first port and the second port respectively, wherein the monitoring mould
Block includes:
Connection judgment unit, for judging whether charging converting-device connect with charging equipment and electric car respectively；
First acquisition unit, for after judging that charging converting-device is connect with charging equipment and electric car respectively,
Under electric car emulation mode, the output voltage range of charging equipment is obtained, and obtains electricity under charging equipment emulation mode
The charge requirement voltage of electrical automobile；
First transmission unit, for determining the first charging voltage according to the output voltage range, and according to described first
Charging voltage sends the first control instruction to the charging equipment, so that the charging equipment is defeated according to first control instruction
First charging voltage out；
Input control unit, for controlling the DC/DC module from the charging equipment under electric car emulation mode
It is upper to obtain first charging voltage；
Second transmission unit, for according to the charge requirement voltage of first charging voltage and the electric car to
DC/DC module sends the second control instruction, so that first charging voltage is converted into the charging by the DC/DC module to be needed
Seek voltage；
Output control unit, under charging equipment emulation mode, controlling the DC/DC module will be described in after conversion
Charge requirement voltage output is to the electric car.
Preferably, first transmission unit includes that power determines that subelement, voltage determine subelement and the first transmission
Unit, moreover,
The first acquisition unit, for obtaining the output voltage range of charging equipment under electric car emulation mode
And peak power output, and under charging equipment emulation mode obtain electric car charge requirement voltage and charge requirement function
Rate；
The power determines subelement, for determining first according to the peak power output and the charge requirement power
Charge power；
The voltage determines subelement, for determining the first charging voltage according to the output voltage range；
First transmission sub-unit, for being filled according to first charge power and first charging voltage to described
Electric equipment sends the first control instruction, so that the charging equipment exports institute to DC/DC module according to first control instruction
State the first charge power and first charging voltage；
The input control unit, for controlling the DC/DC module from the charging under electric car emulation mode
First charge power and first charging voltage are obtained in equipment.
Preferably, the power determines subelement, for judging whether the peak power output is more than or equal to described fill
Electricity demanding power, if so, the charge requirement power is determined as first charge power；If it is not, then by the maximum
Output power is determined as first charge power.
Preferably, the first transmission unit, for according to the invariable power voltage range of charging equipment obtained in advance, from described
A voltage is selected in invariable power voltage range, and selected voltage is determined as the first charging voltage, moreover, according to described the
One charging voltage sends the first control instruction to the charging equipment, so that the charging equipment is according to first control instruction
Export first charging voltage, wherein the invariable power voltage range is included in the output voltage range.
Preferably, the first port and the second port respectively include: DC power supply terminal, ground terminal, communication ends, company
Connect confirmation end and accessory power supply end.
It preferably, further include switch control unit, third transmission unit, moreover, the DC/DC module is two-way DC/DC
Converter；
The switch control unit, for after judging that charging converting-device is connect with charging equipment, control to be connected to
Closing the switch between the first power port of the DC/DC module and the power output port of the charging equipment；
The first acquisition unit, for obtaining the output voltage range of charging equipment under electric car emulation mode,
And the current electricity of the charge requirement voltage of electric car and the power port of electric car is obtained under charging equipment emulation mode
Pressure；
The third transmission unit, for determining the second charging voltage according to the output voltage range, and according to described
The current voltage of second charging voltage and the power port sends third control instruction to the DC/DC module, so that described
The current voltage of the power port is converted into second charging voltage by DC/DC module, wherein second charging voltage
Less than first charging voltage；
First transmission unit, for determining the first charging voltage according to the output voltage range, and according to described
First charging voltage sends the first control instruction to the charging equipment, so that the charging equipment is judging its power output
When the voltage of port is in its output voltage range, first charging voltage is exported according to first control instruction.
The present invention also constructs a kind of charging system, including charging equipment, electric car, further includes that above-described charging turns
Changing device.
The present invention also constructs a kind of charging system, including charging equipment host, N number of charging gun and corresponds with charging gun
The electric car of connection, which is characterized in that it further include M above-described charging converting-devices, M, N are natural number, and M≤N,
And one end of the charging converting-device connects charging equipment host, the other end is connect with corresponding charging gun.
The present invention also constructs a kind of charging method of electric car, is applied in charging converting-device, the charging conversion
Device includes DC/DC module and monitoring module, moreover,
After judging that charging converting-device is connect with charging equipment and electric car respectively, follow the steps below:
Step S10. monitoring module obtains the output voltage range of charging equipment under electric car emulation mode, and
The charge requirement voltage of electric car is obtained under charging equipment emulation mode；
Step S20. monitoring module determines the first charging voltage according to the output voltage range, and fills according to described first
Piezoelectric voltage sends the first control instruction to the charging equipment, so that the charging equipment is exported according to first control instruction
First charging voltage；
Step S30. monitoring module controls the DC/DC module from the charging equipment under electric car emulation mode
It is upper to obtain first charging voltage；
Step S40. monitoring module is according to the charge requirement voltage of first charging voltage and the electric car to DC/
DC module sends the second control instruction, so that first charging voltage is converted into the charge requirement by the DC/DC module
Voltage；
For step S50. monitoring module under charging equipment emulation mode, controlling the DC/DC module will be described in after conversion
Charge requirement voltage output is to the electric car.
Preferably, the step S10 includes:
Step S11. monitoring module obtains the output voltage range and maximum of charging equipment under electric car emulation mode
Output power, and under charging equipment emulation mode obtain electric car charge requirement voltage and charge requirement power；
The step S20 includes:
Step S21. monitoring module determines the first charging function according to the peak power output and the charge requirement power
Rate, and the first charging voltage is determined according to the output voltage range；
Step S22. sends first to the charging equipment according to first charge power and first charging voltage
Control instruction, so that the charging equipment exports first charge power to DC/DC module according to first control instruction
And first charging voltage；
The step S30 includes:
Step S31. monitoring module controls the DC/DC module from the charging equipment under electric car emulation mode
Upper acquisition first charge power and first charging voltage.
Preferably, in the step S21, monitoring module is according to the peak power output and the charge requirement power
The step of determining the first charge power include:
Step S211. judges whether the peak power output is more than or equal to the charge requirement power, if so, executing
Step S212；If it is not, thening follow the steps S213；
The charge requirement power is determined as first charge power by step S212.；
The peak power output is determined as first charge power by step S213..
Preferably, in the step S20, the step of the first charging voltage is determined according to the output voltage range packet
It includes:
According to the invariable power voltage range of the charging equipment obtained in advance, an electricity is selected out of described invariable power voltage range
Pressure, and selected voltage is determined as the first charging voltage, wherein the invariable power voltage range is included in the output electricity
It presses in range.
Preferably, before the step S10, further includes:
Step S60. monitoring module controls the first power port and the charging equipment for being connected to the DC/DC module
Closing the switch between power output port；
In the step S10, under charging equipment emulation mode the step of the charge requirement voltage of acquisition electric car
Include:
The power port of the charge requirement voltage and electric car of acquisition electric car under charging equipment emulation mode
Current voltage；
Between the step S10 and the step S20 further include:
Step S70. monitoring module determines the second charging voltage according to the output voltage range, and fills according to described second
The current voltage of piezoelectric voltage and the power port sends third control instruction to the DC/DC module, so that the DC/DC mould
The current voltage of the power port is converted into second charging voltage by block, wherein the DC/DC module is two-way DC/
DC converter, and second charging voltage is less than first charging voltage；
In the step S20, so that the charging equipment is according to first control instruction output, first charging
The step of voltage includes:
So that the charging equipment is when the voltage for judging its power output port is in its output voltage range, according to
First control instruction exports first charging voltage.
Implement technical solution of the present invention, has the advantages that
1, it is converted by the voltage that charging converting-device exports existing charging equipment (charging pile in such as existing market)
Voltage needed for electric car for free voltage grade can enable the electric car that charging equipment is all voltage class carry out
Charging.This improves the utilization rates of charging equipment；
2, compared with prior art, car owner finds dedicated charging equipment without consuming a lot of time and resources, and is electronic vapour
Vehicle provides more charger meetings, improves user experience；
3, this mode with establish compared with the charging equipment that an output voltage range is 0~950V, resource consumption is few,
It is at low cost, and be easier to realize.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.In attached drawing:
Fig. 1 is the building-block of logic of charging converting-device embodiment one of the present invention；
Fig. 2 is the building-block of logic of charging converting-device embodiment two of the present invention；
Fig. 3 is the building-block of logic of charging converting-device embodiment three of the present invention；
Fig. 4 is the building-block of logic of charging system embodiment one of the present invention；
Fig. 5 is the building-block of logic of charging system embodiment two of the present invention；
Fig. 6 is the flow chart of the charging method embodiment one of electric car of the present invention.
Specific embodiment
Fig. 1 is the building-block of logic of charging converting-device embodiment one of the present invention, the charging converting-device packet of the embodiment
Monitoring module 101, DC/DC module 102, first port 103 and second port 104 are included, and the charging converting-device passes through first
Port 103 connects charging equipment, and by 104 connecting electric automobile of second port, DC/DC module and monitoring module are respectively with the
Single port is connected with second port.In this embodiment, monitoring module 101 includes that connection judgment unit 1011, first obtains list
First 1012, first transmission unit 1013, input control unit 1014, the second transmission unit 1015 and output control unit 1016.
Wherein, connection judgment unit 1011 is for judging whether charging converting-device connect with charging equipment and electric car respectively；The
One acquiring unit 1012 is used for after judging that charging converting-device is connect with charging equipment and electric car respectively, in electronic vapour
Under vehicle emulation mode, the output voltage range of charging equipment is obtained, and obtains electric car under charging equipment emulation mode
Charge requirement voltage；First transmission unit 1013 is used to according to output voltage range determine the first charging voltage, and according to first
Charging voltage sends the first control instruction to charging equipment, so that charging equipment is according to the first control instruction output the first charging electricity
Pressure；Input control unit 1014 is used under electric car emulation mode, and control DC/DC module 102 is obtained from charging equipment
First charging voltage；Second transmission unit 1015 be used for according to the charge requirement voltage of the first charging voltage and electric car to
DC/DC module sends the second control instruction, so that the first charging voltage is converted into charge requirement voltage by DC/DC module；Output
Control unit 1016 is used under charging equipment emulation mode, controls DC/DC module for the charge requirement voltage output after conversion
To electric car.
In a preferred embodiment, DC/DC module 102 is, for example, BUCK converter, BOOST converter or BUCK-
BOOST converter.When DC/DC module 102 is BUCK converter, the high pressure for exporting charging equipment is converted to electronic vapour
Low pressure needed for vehicle charging, if electric car is low-pressure electric automobile, charging equipment is the high-voltage charging stake in existing market, when
When DC/DC module 102 is BUCK converter, the high pressure that high-voltage charging stake can be exported is converted to low-pressure electric automobile charging institute
The low pressure needed；When DC/DC module 102 is BOOST converter, the low pressure for exporting charging equipment is converted to electric car
High pressure needed for charging, if electric car is high-voltage electric automobile, charging equipment is low pressure charging equipment, can pass through DC/DC
High pressure needed for the low pressure that low pressure charging equipment exports is converted to the charging of high-voltage electric automobile by module 102.When DC/DC module
102 be BUCK-BOOST converter when, can to charging equipment export voltage carry out buck processing, to be converted into electric car
Voltage needed for charging, for example, the high pressure for the first voltage grade that high-voltage charging stake is exported, is converted to high-voltage electricity by decompression
The voltage of second voltage grade needed for electrical automobile charging.
In a preferred embodiment, in conjunction with Fig. 2, first port 103 and second port 104 are, for example, charging gun or charging
Socket, it is preferable that two ports are the nine contact ports designed according to GB/T 20234.3-2015 standard respectively comprising:
DC power supply terminal, ground terminal, communication ends, connection confirmation end and accessory power supply end, moreover, being suitble to the electronic vapour of domestic all vehicles
Vehicle, it can connection is established by the electric car of second port 104 and all vehicles.The two ports may each comprise nine
Contact, nine contacts are respectively DC+ (DC power supply is just), DC- (DC power supply is negative), PE (protective grounding), S+ (charging communication
CAN_H), S- (charging communication CAN_L), CC1 (charging connection confirmation), CC2 (charging connection confirmation), A+ (low pressure accessory power supply
Just), A- (low pressure accessory power supply is negative).In addition, it should be noted that, when electric car needs to charge, car owner converts charging
Device and charging equipment pass through first port 103 and establish connection, and charging converting-device and electric car are passed through second port
104 establish connection, at this point, the first power port of contact DC+, DC- connection DC/DC module 102 of first port 103, second
Second power port of contact DC+, DC- connection DC/DC module 102 of port 104, the contact PE of first port 103 and second
The contact PE connection of port 104, and connecting line and DC/DC module and the equal common ground connection of monitoring module, the contact of first port 103
CC1 connects its contact PE by resistance R1, and the contact CC2 of second port 104 connects its contact PE, first port by resistance R2
103 contact CC2 is separately connected the corresponding connecting detection port of monitoring module 101 to the contact CC1 of second port 104, and first
Contact S+, S- of port 103 are separately connected the corresponding PORT COM of monitoring module 101 to contact S+, S- of second port 104,
Contact A+, A- of first port 103 and contact A+, A- of second port 104 are separately connected the auxiliary source power supply of monitoring module 101
End.Then, the signal on contact CC2 that monitoring module 101 passes through first port 103 can be confirmed whether to connect into charging equipment
Function can be confirmed whether and electric car successful connection by the signal on the contact CC1 of second port 104.When the charging is converted
After device and charging equipment successful connection, monitoring module passes through A+ (low pressure accessory power supply is just), the A- in its first port 103
(low pressure accessory power supply is negative) obtains electric energy from charging equipment, and starts work.
In a preferred embodiment, first acquisition unit 1012 is used under electric car emulation mode, obtains charging
The output voltage range and peak power output of equipment, and under charging equipment emulation mode obtain electric car charge requirement
Voltage and charge requirement power.Moreover, the first transmission unit 1013 may include power determine subelement, voltage determine subelement and
First transmission sub-unit, wherein power determines subelement for determining first according to peak power output and charge requirement power
Charge power；Voltage determines subelement for determining the first charging voltage according to output voltage range；First transmission sub-unit is used
In sending the first control instruction to charging equipment according to the first charge power and the first charging voltage, so that charging equipment is according to the
One control instruction exports the first charge power and the first charging voltage to DC/DC module.Input control unit 1014 is used in electricity
Under electrical automobile emulation mode, control DC/DC module obtains the first charge power and the first charging voltage from charging equipment, this
One charging voltage is after the conversion of DC/DC module, and what is exported to electric car is charge requirement voltage, in this way, electric car is filling
When electric, used charging voltage is charge requirement voltage, and charge power is the first charge power.
In a preferred embodiment, power determines subelement for judging whether peak power output is more than or equal to charging
Demand power, if so, charge requirement power is determined as the first charge power；If it is not, then peak power output is determined as
First charge power.
In a preferred embodiment, the first transmission unit 1013 is used for the invariable power according to the charging equipment obtained in advance
Voltage range selects a voltage out of invariable power voltage range, and selected voltage is determined as the first charging voltage, and
And the first control instruction is sent to charging equipment according to the first charging voltage, so that charging equipment is defeated according to the first control instruction
First charging voltage out, wherein invariable power voltage range is included in output voltage range.
Fig. 3 is the building-block of logic of charging converting-device embodiment three of the present invention, the charging converting-device phase of the embodiment
It further include switch control unit 1017, third transmission unit 1018 than embodiment shown in FIG. 1, moreover, DC/DC module 102 is
Two-way DC/DC converter, that is, the output voltage of charging equipment can both be converted, and exported to electric car, and can incited somebody to action
The output voltage of electric car is converted, and is exported to charging equipment.Only illustrate the charging converting-device of the embodiment below
With the difference of embodiment shown in FIG. 1, identical logical construction in two embodiments is repeated no more.
In this embodiment, switch control unit 1017 is used to judge that charging converting-device connect with charging equipment
Afterwards, control is connected to the switch (figure between the first power port of DC/DC module 102 and the power output port of charging equipment
In be not shown) closure.It should be noted that, which is, for example, contactor herein, and one end connects the first of DC/DC module 102
Power port, the other end pass through the contact DC+ of first port 103 or the power output port of contact DC- connection charging equipment.
In addition, it should be noted that, in electric car, when the monitoring module of electric car judges that it simulates shape in charging equipment
After charging converting-device connection under state, the second function of the controllable power port for being connected to electric car and DC/DC module 102
Closing the switch between rate port, it is same it should be noted that, which can also be contactor, and one end connecting electric automobile
Power port, the second power that the other end passes through contact DC+ or contact DC- connection the DC/DC module 102 of second port 104
Port.
In this embodiment, first acquisition unit 1012 is used under electric car emulation mode, obtains charging equipment
Output voltage range, and the power of the charge requirement voltage of acquisition electric car and electric car under charging equipment emulation mode
The current voltage of port.
In this embodiment, third transmission unit 1018 is used to determine the second charging voltage according to output voltage range, and
Third control instruction is sent to DC/DC module 102 according to the current voltage of the second charging voltage and power port, so that DC/DC
The current voltage of power port is converted into the second charging voltage by module 102, wherein the second charging voltage is less than the first charging electricity
Pressure.
In this embodiment, the first transmission unit 1013 is used to determine the first charging voltage according to output voltage range, and
The first control instruction is sent to charging equipment according to the first charging voltage, so that charging equipment is judging its power output port
Voltage (i.e. the voltage of the first power port of DC/DC module 102) in its output voltage range when, according to first control refer to
Enable the first charging voltage of output.It should be noted that, according to existing national standard charging timing requirements, charging equipment is only being examined herein
The power port for measuring electric car connected to it has voltage, and when the voltage is in its output voltage range, just start into
Row power output, therefore, in this embodiment, charging equipment needs to be guaranteed at electric car simulation shape before output power
The first power port (being connected with the power output port of charging equipment) of DC/DC module in charging converting-device under state
Voltage needs the DC/DC module of charging converting-device can be to electric car power port in its output voltage range
Voltage is converted, so that the voltage after conversion is in the output voltage range of charging equipment.
Fig. 4 is the building-block of logic of charging system embodiment one of the present invention, and the charging system of the embodiment includes that charging is set
Standby 20, charging converting-device 10 and electric car 30, and charging converting-device 10 is connected to charging equipment 20 and electric car 30
Between, wherein the logical construction of charging converting-device 10 can refer to described previously, and this will not be repeated here.In addition, in the embodiment
Charging system in, charging converting-device 10 can be fixedly mounted near charging equipment 20, certainly in other embodiments, be filled
Electrical switching device 10 can also be free-standing, i.e., portable, can at will move, facilitate electric car onboard.
Fig. 5 is the building-block of logic of charging system embodiment two of the present invention, and the charging system of the embodiment includes that charging is set
Standby host 40, M charging converting-device (only showing a charging converting-device 10), N number of charging gun 51 ..., 5N and with charging
Rifle 51 ..., 5N connect one to one electric car 61 ..., 6N, M, N are natural number, and M≤N.Moreover, charging converting-device
10 one end connects charging equipment host 40, and the other end is connect with corresponding charging gun 51, wherein the logic of charging converting-device 10
Structure can refer to described previously, and this will not be repeated here.In this embodiment, charging converting-device 10 is connected to charging equipment host
Between 40 and charging gun 51, then output is met the voltage of the electric car chargeable range of free voltage grade by the charging gun 51,
For electric car charging.And the charging gun 5N of not connected charging converting-device can then export normal voltage, be only capable of needing for charging
Ask electric car charging of the voltage in charging gun 5N output voltage range.
Fig. 6 is the flow chart of the charging method embodiment one of electric car of the present invention, the charging method application of the embodiment
In charging converting-device, wherein charging converting-device includes DC/DC module and monitoring module, moreover, the charging side of embodiment
Method is after judging that charging converting-device is connect with charging equipment and electric car respectively, i.e. charging converting-device and charging equipment
After shaking hands successfully with electric car, follow the steps below:
Step S10. monitoring module obtains the output voltage range of charging equipment under electric car emulation mode, and
The charge requirement voltage of electric car is obtained under charging equipment emulation mode；
In this step, it should be noted that, monitoring module is simulated by software, and charging converting-device can be made to be in electronic
Simulative automobile state or charging equipment emulation mode.When monitoring module is in electric car emulation mode, charging equipment can
It identifies charging converting-device, allows the charging converting-device by carrying out information exchange with charging equipment to obtain charging equipment
Output voltage range；When monitoring module is in charging equipment emulation mode, electric car can identify charging converting-device,
Allow the charging converting-device by carrying out information exchange with electric car to obtain the charge requirement voltage of electric car.Separately
Outside, the information exchange of monitoring module and charging converting-device and electric car is all the software simulation of monitoring module in real time
It is in real time, monitoring module is constantly in emulation mode, and for target electric car, monitoring module is constantly in charging equipment mould
Quasi- state, for charging equipment, monitoring module is constantly in electric car emulation mode.
Step S20. monitoring module determines the first charging voltage according to output voltage range, and according to the first charging voltage to
Charging equipment sends the first control instruction, so that charging equipment exports the first charging voltage according to the first control instruction；
In this step, when determining the first charging voltage, can out of charging equipment output voltage range it is optional one electricity
Pressure is used as the first charging voltage, that is, identified first charging voltage is a fixed value, alternatively, from the output electricity of charging equipment
It presses and determines a voltage as the first charging voltage in range at random, that is, identified first charging voltage is output voltage range
Interior random value.
For step S30. monitoring module under electric car emulation mode, control DC/DC module obtains the from charging equipment
One charging voltage；
In this step, when monitoring module is in electric car emulation mode, charging equipment can identify that the charging turns
Changing device enables charging converting-device to obtain electric energy from charging equipment.
Step S40. monitoring module is sent out according to the charge requirement voltage of the first charging voltage and electric car to DC/DC module
The second control instruction is sent, so that the first charging voltage is converted into charge requirement voltage by DC/DC module；
In this step, the second control instruction includes pulse control signal, and the pulse control signal is for controlling DC/DC mould
The on-off of switching tube in block, to realize that the first charging voltage is converted into charge requirement voltage by DC/DC module.
Step S50. monitoring module controls DC/DC module for the charge requirement after conversion under charging equipment emulation mode
Voltage output is to electric car.
In this step, when monitoring module is in charging equipment emulation mode, electric car can identify that the charging turns
Changing device enables electric car to obtain electric energy from charging converting-device.
Illustrated below with specific example: if charge requirement voltage needed for the charging of a certain electric car is 130V,
And the output voltage range of a certain charging equipment (high-voltage charging stake) is 200~500V.When charging converting-device respectively with charging
After equipment and electric car successful connection, in the case where monitoring module is in electric car emulation mode, the high pressure can be obtained
The output voltage range of charging pile is 200~500V, and in the case where being then in charging equipment emulation mode, monitoring module can be obtained
The charge requirement voltage for taking the electric car is 130V.Then, monitoring module is according to the output area of high-voltage charging stake and electronic
The charge requirement voltage of automobile determines the first charging voltage, for example, 500V, and sends the first control to high-voltage charging stake and refer to
It enables, after high-voltage charging staking receives the first control instruction, exports the voltage of 500V.Then, monitoring module is in electric car mould
In the case where quasi- state, controllable DC/DC module obtains the first charging voltage from high-voltage charging stake.Meanwhile monitoring module is also
The second control instruction, DC/DC module are sent to DC/DC module according to the charge requirement voltage of the first charging voltage and electric car
After receiving the second control instruction, the first acquired charging voltage 500V is converted into charge requirement voltage 130V.Finally,
Monitoring module is under charging equipment emulation mode, i.e. analog charge equipment, the charge requirement voltage that DC/DC module is converted
Output is to electric car, in this way, electric car is filled to realize using high pressure with regard to the voltage of 130V can be used charge
Electric stake is that low-pressure electric automobile charges.
In a preferred embodiment, step S10 includes:
Step S11. monitoring module obtains the output voltage range and maximum of charging equipment under electric car emulation mode
Output power, and under charging equipment emulation mode obtain electric car charge requirement voltage and charge requirement power；
In this step, monitoring module, by carrying out information exchange with charging equipment, removes under electric car emulation mode
The output voltage range that charging equipment can be obtained, can also obtain peak power output.Monitoring module simulates shape in charging equipment
Under state, by carrying out information exchange with electric car, in addition to obtaining charge requirement voltage, charge requirement power can be also obtained.
Step S20 includes:
Step S21. monitoring module determines the first charge power according to peak power output and charge requirement power, and according to
Output voltage range determines the first charging voltage；
Step S22. sends the first control instruction to charging equipment according to the first charge power and the first charging voltage, so that
Charging equipment exports the first charge power and the first charging voltage to DC/DC module according to the first control instruction.
Step S30 includes:
For step S31. monitoring module under electric car emulation mode, control DC/DC module obtains the from charging equipment
One charge power and the first charging voltage.
In this way, in this embodiment, after monitoring module sends the second control instruction to DC/DC module, and DC/DC module
First charging voltage is converted into charge requirement voltage, and when output to electric car, the first charging is just can be used in electric car
Power and charge requirement voltage charge.
In a specific embodiment, the step of the first charge power is determined in step S21, it may include:
Step S211. judges whether peak power output is more than or equal to charge requirement power, if so, thening follow the steps
S212；If it is not, thening follow the steps S213；
Charge requirement power is determined as the first charge power by step S212.；
Peak power output is determined as the first charge power by step S213..
In a preferred embodiment, in step S20, the step of the first charging voltage is determined according to output voltage range
Include:
According to the invariable power voltage range of the charging equipment obtained in advance, a voltage is selected out of invariable power voltage range,
And selected voltage is determined as the first charging voltage, wherein invariable power voltage range is included in output voltage range.Example
Such as, the charging equipment for being 200-500V for output voltage range, invariable power voltage range are 350-500V；For output electricity
Pressing range is the charging equipment of 350-700V, and invariable power voltage range is 550-700V.
Illustrated below with a specific example: if the charge requirement voltage of a certain low-pressure electric automobile is 130V, charging
Demand power is 60KW, and the current peak power output of a certain high-voltage charging stake is 90KW, output voltage range 200-
500V, moreover, invariable power voltage range is 350-500V.When charging converting-device is connect with charging equipment and electric car respectively
After success, in the case that monitoring module is in electric car emulation mode, the output voltage range of the high-voltage charging stake can be obtained
For 200~500V, peak power output 90KW, in the case where being then in charging equipment emulation mode, it is electronic that this can be obtained
The charge requirement voltage of automobile is 130V, and charge requirement power is 60KW.Then, monitoring module determines that the first charge power is
60KW, that is, full power charging can be carried out for electric car, meanwhile, determine the first charging voltage for a constant 350V (certainly,
It can also an arbitrary value between 200-500V).It, can after monitoring module has determined the first charge power and the first charging voltage
To high-voltage charging stake send the first control instruction, after high-voltage charging staking receives the first control instruction, export 60KW power and
Export the voltage of 350V.Then, in the case that monitoring module is in electric car emulation mode, it can control DC/DC module from height
Electric (power 60KW, voltage 350V) is taken on pressure charging pile.Meanwhile monitoring module sends the second control to DC/DC module and refers to
It enables, DC/DC module is converted into charge requirement electricity after receiving the second control instruction, by the first acquired charging voltage 350V
Press 130V.Finally, monitoring module is under charging equipment emulation mode, i.e. analog charge equipment is converted DC/DC module
Charge requirement voltage 130V is exported to electric car, in this way, electric car charge with regard to the voltage of usable 130V, thus
Realizing using high-voltage charging stake is that low-pressure electric automobile charges.
In another specific example, if the charge requirement voltage of a certain low-pressure electric automobile is 130V, charge requirement function
Rate is 90KW, the current peak power output of a certain high-voltage charging stake be 60KW, output voltage range 200-500V, and
And invariable power voltage range is 350-500V.When charging converting-device respectively with charging equipment and electric car successful connection after,
In the case that monitoring module is in electric car emulation mode, can obtain the high-voltage charging stake output voltage range be 200~
500V, peak power output 60KW can obtain the electric car then in the case where being in charging equipment emulation mode
Charge requirement voltage is 130V, and charge requirement power is 90KW.Then, monitoring module determines that the first charge power is 60KW, that is,
Electric energy is exported with the peak power output of high-voltage charging stake, meanwhile, determine the first charging voltage for a constant 500V (certainly,
It can be the arbitrary value within the scope of invariable power).It, can be to after monitoring module has determined the first charge power and the first charging voltage
High-voltage charging stake sends the first control instruction, after high-voltage charging staking receives the first control instruction, exports the power of 60KW and defeated
The voltage of 350V out.Then, in the case that monitoring module is in electric car emulation mode, it can control DC/DC module from high pressure
Electric (power 60KW, voltage 350V) is taken on charging pile.Meanwhile monitoring module sends the second control instruction to DC/DC module,
DC/DC module is converted into charge requirement voltage after receiving the second control instruction, by the first acquired charging voltage 350V
130V.Finally, monitoring module is under charging equipment emulation mode, i.e. analog charge equipment is filled what DC/DC module was converted
Electricity demanding voltage 130V is exported to electric car, in this way, electric car charge with regard to the voltage of usable 130V, thus real
Having showed using high-voltage charging stake is that low-pressure electric automobile charges.
Above-mentioned two example is illustrated so that high-voltage charging stake is low-pressure electric automobile as an example, charging converting-device
In DC/DC module decompression processing is carried out to the first charging voltage that high-voltage charging stake exports, to be converted into low-pressure electric automobile
Charge requirement voltage needed for charging, makes low-pressure electric automobile charge using high-voltage charging stake.Certainly, implement in others
In example, low pressure charging equipment can also charge for high-voltage electric automobile, at this point, the DC/DC module pair in charging converting-device
First charging voltage of low pressure charging equipment output carries out boosting processing, to be converted into the required charging of high-voltage electric automobile charging
Demand voltage, alternatively, the high-voltage charging stake of first voltage grade can also be filled for the high-voltage electric automobile of second voltage grade
Electricity.Therefore, the charging object for expanding charging equipment improves the utilization rate of charging equipment.
Moreover, charging is set when the voltage within the scope of the invariable power that identified first charging voltage is charging equipment
It is standby to carry out invariable power charging to the electric car met in its invariable power chargeable range, or other electronic
Automobile carries out invariable power charging, therefore the invariable power chargeable range of charging equipment can be improved by the charging converting-device, thus
Improve the utilization rate of charging equipment.
Due to charging timing according to current national standard, charging equipment only detect its power output port have voltage and
When the voltage is in its output voltage range, charging voltage is just exported.Therefore, on the basis of the above embodiments, further,
Before step S10, further includes:
The control of step S60. monitoring module is connected to the first power port of DC/DC module and the power output of charging equipment
Closing the switch between port.In addition, it should be noted that, in electric car, when the monitoring module of electric car judges it
After connect with the charging converting-device under the charging equipment emulation mode, the controllable power port for being connected to electric car and
Closing the switch between the second power port of DC/DC module 102.Moreover, the two switches can be contactor.
In step slo, include: the step of the charge requirement voltage of acquisition electric car under charging equipment emulation mode
The power port of the charge requirement voltage and electric car of acquisition electric car under charging equipment emulation mode
Current voltage；
Between step S10 and step S20 further include:
Step S70. monitoring module determines the second charging voltage according to output voltage range, and according to the second charging voltage and
The current voltage of power port sends third control instruction to DC/DC module, so that DC/DC module is by the current electricity of power port
Pressure is converted into the second charging voltage, wherein DC/DC module is two-way DC/DC converter, and the second charging voltage is filled less than first
Piezoelectric voltage；
In step S20, so that charging equipment includes: the step of exporting the first charging voltage according to the first control instruction
So that charging equipment is in voltage (i.e. the first power port of DC/DC module for judging its power output port
Voltage) in its output voltage range when, according to the first control instruction export the first charging voltage.
Through the foregoing embodiment, using the charging converting-device in the application, the electronic of free voltage grade can be made
Automobile can find any one charging pile and charge when needing to charge, and find without consuming a lot of time and resources
Its dedicated charging pile provides more charger meetings for electric car, improves user experience；Secondly as charging turns
Changing device can allow each charging pile to be the electricity of free voltage grade by the voltage of conversion output free voltage grade
Electrical automobile charging, therefore the invariable power chargeable range of each charging pile has also been enlarged, for any one charging pile, utilization rate
It is greatly improved；In addition, with the charging pile that an output voltage range is 0~950V and invariable power range is sufficiently wide is established
It comparing, the scheme resource consumption in the application is few, and charge efficiency is high, and it is at low cost, and be easier to realize.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any distort,
Equivalent replacement, improvement etc., should be included within scope of the presently claimed invention.
Claims (13)
1. a kind of charging converting-device, including the first port being connect with charging equipment and the second end being connect with electric car
Mouthful, which is characterized in that further include DC/DC module and monitoring module, the DC/DC module and the monitoring module respectively with institute
It states first port to be connected with the second port, wherein the monitoring module includes:
Connection judgment unit, for judging whether charging converting-device connect with charging equipment and electric car respectively；
First acquisition unit, for after judging that charging converting-device is connect with charging equipment and electric car respectively, in electricity
Under electrical automobile emulation mode, the output voltage range of charging equipment is obtained, and electronic vapour is obtained under charging equipment emulation mode
The charge requirement voltage of vehicle；
First transmission unit, for determining the first charging voltage according to the output voltage range, and according to first charging
Voltage sends the first control instruction to the charging equipment, so that the charging equipment exports institute according to first control instruction
State the first charging voltage；
Input control unit, for controlling the DC/DC module and being obtained from the charging equipment under electric car emulation mode
Take first charging voltage；
Second transmission unit, for according to the charge requirement voltage of first charging voltage and the electric car to DC/DC
Module sends the second control instruction, so that first charging voltage is converted into the charge requirement electricity by the DC/DC module
Pressure；
Output control unit, for controlling the DC/DC module for the charging after conversion under charging equipment emulation mode
Demand voltage is exported to the electric car.
2. charging converting-device according to claim 1, which is characterized in that first transmission unit includes that power determines son
Unit, voltage determine subelement and the first transmission sub-unit, moreover,
The first acquisition unit obtains the output voltage range and most of charging equipment under electric car emulation mode
Big output power, and under charging equipment emulation mode obtain electric car charge requirement voltage and charge requirement power；
The power determines subelement, for determining the first charging according to the peak power output and the charge requirement power
Power；
The voltage determines subelement, for determining the first charging voltage according to the output voltage range；
First transmission sub-unit, for being set according to first charge power and first charging voltage to the charging
Preparation send the first control instruction, so that the charging equipment is according to first control instruction to DC/DC module output described the
One charge power and first charging voltage；
The input control unit, for controlling the DC/DC module from the charging equipment under electric car emulation mode
Upper acquisition first charge power and first charging voltage.
3. charging converting-device according to claim 2, which is characterized in that the power determines subelement, for judging
State whether peak power output is more than or equal to the charge requirement power, if so, the charge requirement power is determined as institute
State the first charge power；If it is not, the peak power output is then determined as first charge power.
4. charging converting-device according to any one of claims 1 to 3, which is characterized in that
First transmission unit, for the invariable power voltage range according to the charging equipment obtained in advance, from the invariable power voltage
A voltage is selected in range, and selected voltage is determined as the first charging voltage, moreover, according to first charging voltage
The first control instruction is sent to the charging equipment, so that the charging equipment is according to first control instruction output described the
One charging voltage, wherein the invariable power voltage range is included in the output voltage range.
5. charging converting-device according to claim 1, which is characterized in that the first port and second port difference
It include: DC power supply terminal, ground terminal, communication ends, connection confirmation end and accessory power supply end.
6. charging converting-device according to claim 1, which is characterized in that further include that switch control unit and third send list
Member, moreover, the DC/DC module is two-way DC/DC converter；
The switch control unit, for after judging that charging converting-device is connect with charging equipment, control to be connected to described
Closing the switch between the first power port of DC/DC module and the power output port of the charging equipment；
The first acquisition unit obtains the output voltage range of charging equipment under electric car emulation mode, and
The current voltage of the charge requirement voltage of electric car and the power port of electric car is obtained under charging equipment emulation mode；
The third transmission unit, for determining the second charging voltage according to the output voltage range, and according to described second
The current voltage of charging voltage and the power port sends third control instruction to the DC/DC module, so that the DC/DC
The current voltage of the power port is converted into second charging voltage by module, wherein second charging voltage is less than
First charging voltage；
First transmission unit, for determining the first charging voltage according to the output voltage range, and according to described first
Charging voltage sends the first control instruction to the charging equipment, so that the charging equipment is judging its power output port
Voltage in its output voltage range when, first charging voltage is exported according to first control instruction.
7. a kind of charging system, including charging equipment and electric car, which is characterized in that further include any one of claim 1 to 6
The charging converting-device.
8. a kind of charging system, including charging equipment host, N number of charging gun and the electronic vapour to connect one to one with charging gun
Vehicle, which is characterized in that it further include M charging converting-devices as claimed in any one of claims 1 to 6, M, N are natural number, and M≤
N, and one end of the charging converting-device connects charging equipment host, the other end is connect with corresponding charging gun.
9. a kind of charging method of electric car is applied in charging converting-device, which is characterized in that the charging converting-device
Including DC/DC module and monitoring module, moreover,
After judging that charging converting-device is connect with charging equipment and electric car respectively, follow the steps below:
Step S10. monitoring module obtains the output voltage range of charging equipment under electric car emulation mode, and is charging
The charge requirement voltage of electric car is obtained under equipment simulating state；
Step S20. monitoring module determines the first charging voltage according to the output voltage range, and according to the first charging electricity
It presses to the charging equipment and sends the first control instruction, so that the charging equipment is according to first control instruction output
First charging voltage；
Step S30. monitoring module controls the DC/DC module and obtains from the charging equipment under electric car emulation mode
Take first charging voltage；
Step S40. monitoring module is according to the charge requirement voltage of first charging voltage and the electric car to DC/DC mould
Block sends the second control instruction, so that first charging voltage is converted into the charge requirement voltage by the DC/DC module；
Step S50. monitoring module controls the DC/DC module for the charging after conversion under charging equipment emulation mode
Demand voltage is exported to the electric car.
10. the charging method of electric car according to claim 9, which is characterized in that the step S10 includes:
Step S11. monitoring module obtains the output voltage range and maximum output of charging equipment under electric car emulation mode
Power, and under charging equipment emulation mode obtain electric car charge requirement voltage and charge requirement power；
The step S20 includes:
Step S21. monitoring module determines the first charge power according to the peak power output and the charge requirement power, and
The first charging voltage is determined according to the output voltage range；
Step S22. sends the first control to the charging equipment according to first charge power and first charging voltage
Instruction, so that the charging equipment exports first charge power and institute to DC/DC module according to first control instruction
State the first charging voltage；
The step S30 includes:
Step S31. monitoring module controls the DC/DC module and obtains from the charging equipment under electric car emulation mode
Take first charge power and first charging voltage.
11. the charging method of electric car according to claim 10, which is characterized in that in the step S21, monitoring module
The step of determining the first charge power according to the peak power output and the charge requirement power include:
Step S211. judges whether the peak power output is more than or equal to the charge requirement power, if so, thening follow the steps
S212；If it is not, thening follow the steps S213；
The charge requirement power is determined as first charge power by step S212.；
The peak power output is determined as first charge power by step S213..
12. according to the charging method of the described in any item electric cars of claim 9-11, which is characterized in that in the step
In S20, the step of determining the first charging voltage according to the output voltage range, includes:
According to the invariable power voltage range of the charging equipment obtained in advance, a voltage is selected out of described invariable power voltage range,
And selected voltage is determined as the first charging voltage, wherein the invariable power voltage range is included in the output voltage
In range.
13. the charging method of electric car according to claim 9, which is characterized in that before the step S10, also
Include:
The control of step S60. monitoring module is connected to the first power port of the DC/DC module and the power of the charging equipment
Closing the switch between output port；
In the step S10, the step of charge requirement voltage of acquisition electric car, includes: under charging equipment emulation mode
The power port of the charge requirement voltage and electric car of acquisition electric car is current under charging equipment emulation mode
Voltage；
Between the step S10 and the step S20 further include:
Step S70. monitoring module determines the second charging voltage according to the output voltage range, and according to the second charging electricity
The current voltage of pressure and the power port sends third control instruction to the DC/DC module, so that the DC/DC module will
The current voltage of the power port is converted into second charging voltage, wherein the DC/DC module is two-way DC/DC change
Parallel operation, and second charging voltage is less than first charging voltage；
In the step S20, so that the charging equipment exports first charging voltage according to first control instruction
The step of include:
So that the charging equipment is when the voltage for judging its power output port is in its output voltage range, according to described
First control instruction exports first charging voltage.
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| CN111959332B (en) * | 2020-07-10 | 2023-01-17 | 武汉路特斯汽车有限公司 | Charging conversion method, device and system, storage medium and computer equipment |
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| CN101931252A (en) * | 2010-08-26 | 2010-12-29 | 艾默生网络能源有限公司 | Charging system for electric automobile |
| CN103779945A (en) * | 2014-02-24 | 2014-05-07 | 联想(北京)有限公司 | Charging control method, controller, charger and charging system |
| CN104917233A (en) * | 2015-05-28 | 2015-09-16 | 努比亚技术有限公司 | Charging control method, device and system |
| JP2016220343A (en) * | 2015-05-18 | 2016-12-22 | カルソニックカンセイ株式会社 | Power conversion device |
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| CN101931252A (en) * | 2010-08-26 | 2010-12-29 | 艾默生网络能源有限公司 | Charging system for electric automobile |
| CN103779945A (en) * | 2014-02-24 | 2014-05-07 | 联想(北京)有限公司 | Charging control method, controller, charger and charging system |
| JP2016220343A (en) * | 2015-05-18 | 2016-12-22 | カルソニックカンセイ株式会社 | Power conversion device |
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