CN106218430B - A kind of charging system and method for Auto-matching electric car BMS accessory power supply voltage class - Google Patents
A kind of charging system and method for Auto-matching electric car BMS accessory power supply voltage class Download PDFInfo
- Publication number
- CN106218430B CN106218430B CN201610658276.8A CN201610658276A CN106218430B CN 106218430 B CN106218430 B CN 106218430B CN 201610658276 A CN201610658276 A CN 201610658276A CN 106218430 B CN106218430 B CN 106218430B
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- voltage class
- electric car
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- accessory power
- bms
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000004891 communication Methods 0.000 claims abstract description 24
- 230000005611 electricity Effects 0.000 claims description 14
- 230000000153 supplemental effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- IVUGBSGLHRJSSP-UHFFFAOYSA-N LimKi 3 Chemical compound S1C(NC(=O)C(C)C)=NC=C1C1=CC(C(F)F)=NN1C1=C(Cl)C=CC=C1Cl IVUGBSGLHRJSSP-UHFFFAOYSA-N 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- Y02T90/16—Information or communication technologies improving the operation of 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)
- Secondary Cells (AREA)
Abstract
The present invention provides the charging systems and method of a kind of Auto-matching electric car BMS accessory power supply voltage class, voltage class logger including charger and the accessory power supply voltage level parameters for being mounted on inside electric car and being stored with electric car BMS, the charger is connected by microcontroller with voltage class logger, to obtain the accessory power supply voltage level parameters of the electric car BMS of record.The present invention is provided with voltage class logger in electric car, the voltage class logger records the accessory power supply grade for having electric car BMS, the microcontroller of charger is connect with the voltage class recorder communication, in this way, when charging is required, charger obtains the accessory power supply voltage class of electric car BMS by microcontroller first, then further according to the power module of voltage class access relevant voltage grade, provides the accessory power supply to match to electric car BMS automatically.
Description
[technical field]
The invention belongs to electric cars and electric vehicle charging field, and in particular to a kind of Auto-matching electric car BMS
The charging system and method for accessory power supply voltage class.
[background technique]
With the continuous development of China's electric car industry, electric car is becoming increasingly popular, however fast in electric car
It fills and encounters industry problems, which is embodied in the BMS accessory power supply of electric car, and there are two kinds: 12VDC and 24VDC.Although
Specification has been carried out in new national standard, it is desirable that be used uniformly 12VDC, but had been flowed into the electricity of a large amount of 24VDC in market
Electrical automobile, or even still suffer from Some vehicles in recent years and come into the market.Its problem is: before charging to electric car,
Charger provides low pressure accessory power supply to electric car BMS first, is then communicated with electric car BMS, electronic to obtain
Automobile charge requirement, but charger to electric car BMS provide accessory power supply be can not automatic identification its voltage class, such as
Fruit electric car needs 12VDC, and charger will damage electric car when providing 24VDC；If electric car needs 24VDC,
And when charger offer 12VDC, electric car BMS can not work since supply voltage is insufficient, lead to not charge.By
In electric car BMS accessory power supply there are two kinds of Research on Voltage Class, causing in market must there are two types of fast fill device, electronic vapour
Vehicle can only be to charging on the charger of corresponding voltage grade.However electric car car owner might not know certainly in charging
Oneself electric car BMS accessory power supply is 12VDC or 24VDC, if will accidentally face the thing of damage electric car
Therefore if charging station carries out charging guide using special messenger before charger, a large amount of manpower and material resources will be spent, and person works are full
It is very low with spending, the waste significantly of social resources will be caused.
[summary of the invention]
The present invention provides the charging system and method for a kind of Auto-matching electric car BMS accessory power supply voltage class,
It will not occur to lead to the generation for damaging car accident due to being charged without knowing Research on Voltage Class, guarantee to electronic vapour
The safe charging of vehicle.
The invention adopts the following technical scheme:
A kind of charging system of Auto-matching electric car BMS accessory power supply voltage class, including charger and be mounted on
Inside electric car and be stored with electric car BMS accessory power supply voltage level parameters voltage class logger, it is described to fill
Motor is connected by microcontroller with voltage class logger, to obtain the accessory power supply voltage level parameters of electric car BMS,
Charger provides matched accessory power supply according to the voltage level parameters of acquisition for electric car BMS.
Further, the voltage class logger has the communication interface of connecting electric automobile BMS, remembers to voltage class
Record device communicates with electric car BMS and obtains the accessory power supply voltage level parameters of electric car BMS.
Further, the voltage class logger has the communication interface of connection host computer, to pass through host computer to electricity
It presses grade logger to carry out voltage level parameters configuration, makes its recording voltage class parameter or label.
Further, the microcontroller of the charger is connected by communication with voltage class logger.
Further, when voltage class logger and electric car BMS are communicated to connect, the voltage class logger and electricity
The communication bus and charger of electrical automobile BMS and the communication bus of voltage class logger are in the same bus.
Further, the charger further comprises having first choice switch, the input of first choice switch and micro-control
Device processed is connected, and the output of first choice switch is connected by low pressure accessory power supply conducting wire with electric car BMS, and first choosing
The power module that switch is connected with different voltages grade is selected, first choice switch is connected corresponding according to the command selection of microcontroller
The power module of voltage class.
Further, the voltage class logger includes the second microcontroller, to obtain and store voltage level parameters
Data, second microcontroller are connected with voltage class mark module, the mark module including digital quantity or analog quantity form.
Further, second microcontroller passes through the second selection switch connection voltage class mark module.
A kind of charging method of Auto-matching electric car BMS accessory power supply voltage class, comprising the following steps:
(1) voltage class logger obtains electric car BMS accessory power supply voltage level parameters；
(2) charger obtains electric car BMS voltage class data by voltage class logger；
(3) charger selects the power module of access relevant voltage grade according to the data of acquisition, mentions to electric car BMS
For accessory power supply, make its start-up operation.
Further, the method that voltage class logger obtains electric car BMS boost voltage grade includes: voltage class note
Device is recorded by being communicated with electric car BMS, obtains and record the accessory power supply voltage level parameters or mark of electric car BMS
Note；Or by host computer to voltage class logger carry out voltage level parameters configuration, make its recording voltage class parameter or
Person's label；Or it selects 24VDC label and 12VDC to mark by the switching inside voltage class logger and determines voltage etc.
Grade, and recording parameters or label.
Compared with prior art, the present invention at least has the advantages that the present invention is provided with electricity in electric car
Grade logger is pressed, which records the boost voltage class parameter for having electric car BMS, in addition, charger
Microcontroller connect with the voltage class recorder communication, in this way, when charging is required, charger passes through microcontroller first
The accessory power supply voltage class of electric car BMS is obtained, then further according to the power supply of voltage class access relevant voltage grade
Module guarantees to provide suitable voltage level parameters for electric car BMS, to ensure the safe charging of electric vehicle.
[Detailed description of the invention]
Fig. 1 is technical solution of the present invention schematic diagram；
Fig. 2 is voltage class logger internal structure block diagram；
Fig. 3 is another voltage class logger internal structure block diagram of the invention；
Fig. 4 is another voltage class logger internal structure block diagram of the invention；
In attached drawing, (1) electric car, (2) voltage class logger, (3) electric car BMS, (4) host computer, (5) charging
Machine, (6) microcontroller, (7) 12VDC power module, (8) first choice switch, (9) 24VDC power module, (10) second micro-controls
Device processed, (11) second selection switches, (12) 24VDC label, (13) communication interface, (14) 12VDC label, (15) power supply system.
[specific embodiment]
The purpose of the present invention is to provide a kind of charging systems of Auto-matching electric car BMS accessory power supply voltage class
And method, to solve the artificial differentiation different voltages grade charger of electric car fast charge charging needs and electronic vapour may be damaged
The professional problem of vehicle.The present invention solves the problems, such as electric automobile charging station planning construction and charging operation management simultaneously, is charging
Stand planning and construction when, without plan and build respectively two kinds be directed to different BMS accessory power supply voltage class Vehicular charging set
It applies or region.
The present invention installed in electric car one it is small and exquisite and have independently-powered voltage class logger, the voltage etc.
Grade logger record has electric car BMS accessory power supply voltage class data, and provides a communication interface, and charger passes through logical
After believing interface connection, is actively communicated with voltage class logger, electric car BMS accessory power supply voltage etc. can be obtained
Grade.In this way, electric car car owner, still according to original mode, it is i.e. chargeable directly to plug charging gun in charging.It inserts
It is not necessarily to consider the accessory power supply voltage class of its vehicle BMS before rifle, or worries the accessory power supply voltage class that charger provides
It is how many, Research on Voltage Class is managed and maintained without special messenger.This method has automatic identification electric car BMS auxiliary electricity
Source, intelligent charge advantage, effectively solve electric car charge industry pain spot.
The present invention obtains or is arranged by host computer or uses the sides such as switching value switching by communicating with electric vehicle BMS
Electric car BMS accessory power supply voltage level parameters are stored in voltage class logger by formula.Voltage class logger is pacified
It is connected in electric car, and by the communication interface of the module with the communication interface that electric car charges.Charger by with
Voltage class recorder communication simultaneously obtains voltage level parameters or label, reaches automatic identification electric car BMS accessory power supply
Voltage class.By this scheme, no matter which kind of state electric car is in, and can all realize automatic identification, and will not influence
Electric car works normally.
Present invention is further described in detail with reference to the accompanying drawing:
Refering to Figure 1, a kind of charging system of Auto-matching electric car BMS accessory power supply voltage class, including
Charger 5 and the voltage class logger 2 being mounted on inside electric car are stored in the voltage class logger 2 electronic
The voltage level parameters of automobile BMS accessory power supply.
The charger 5 includes microcontroller 6 and the first choice switch 8 connecting with microcontroller 6, the first choice
Switch is connected by low pressure accessory power supply conducting wire with electric car BMS, and shown first choice switch 8 is further connected with 12VDC
Power module 7 and 24VDC power module 9, the charger are joined according to the voltage class of the electric car BMS accessory power supply of acquisition
Number, the power module of selection access different voltages grade guarantee to provide suitable voltage level parameters to electricity to electric car BMS
Electrical automobile BMS.
When voltage class logger 2 and electric car BMS are using communicating to connect, the voltage class logger 2 and electricity
The communication bus and the microcontroller of charger 5 and the communication bus of voltage class logger 2 of electrical automobile BMS is in a bus
On.
The voltage class logger 2 is further connected with host computer 4, to carry out voltage to voltage class logger 2
Class parameter configuration, makes its recording voltage class parameter or label.
It please referring to shown in Fig. 2, the voltage class logger 2 includes that the second microcontroller 10, second selects switch 11, with
And 12VDC label 12 and 24VDC label 14, the second selection switch 11 including but not limited to toggle switch, key switch and
Rotary switch etc., the 12VDC label 12 and 24VDC label 14 include the mark module of digital quantity or analog quantity form.Electricity
Pressure grade logger 2 is additionally provided with independent power supply system 15, including but not limited to independent built-in battery, super capacitor and external
Power conversion module etc..Power supply system 15 is provided with power accumulating portion, and in the case where no external power supply, power supply system 15 is to electricity
Grade logger 2 is pressed to provide working power.
It please refers to shown in Fig. 3, is the structural schematic diagram of another voltage class logger of the present invention, with electricity shown in Fig. 2
The difference of pressure grade logger is: 24VDC power module 12 and the second selection switch 11 being removed, 12VDC power supply mould is retained
Block 14, in this way, charger 5 need to only confirm with 2 communication handshake of voltage class logger can be completed automatic identification.The program can not
It needs to carry out voltage level parameters setting by host computer 4.
It please refers to shown in Fig. 4, is the structural schematic diagram of another voltage class logger of the present invention, with electricity shown in Fig. 2
The difference of pressure grade logger is: 12VDC power module 14 and the second selection switch 11 being removed, 24VDC power supply mould is retained
Block 12, in this way, charger 5 need to only confirm with 2 communication handshake of voltage class logger can be completed automatic identification.The program can not
It needs to carry out voltage level parameters setting by host computer 4.
The method that the voltage class logger 2 obtains electric car BMS accessory power supply voltage class includes being not limited to:
Voltage class logger 2 with electric vehicle BMS3 by being communicated, the accessory power supply voltage etc. for obtaining and recording electric vehicle BMS3
Grade parameter or label；Or voltage level parameters configuration is carried out to voltage class logger 2 by host computer 5, make its record electricity
Press class parameter or label；Or pass through the second selection switching selection 24VDC mark of switch 11 inside voltage class logger 2
Remember that 12 and 12VDC label 14 determines voltage class, and recording parameters or label.By the above method, voltage class logger 2 has
There are electric car BMS3 accessory power supply voltage level parameters or label, and the communication interface for obtaining data, institute are provided to charger 5
Stating communication interface includes but is not limited to CAN, RS485, Ethernet, Bluetooth, Wi-Fi, RFID etc..
The method of charger identification electric vehicle BMS accessory power supply voltage class is: charger 5 passes through communication bus and voltage
Grade logger 2 be connected after, actively with recorded electric vehicle BMS3 accessory power supply voltage level parameters or voltage of label etc.
Grade logger 2 is communicated, and obtains voltage class data.
After charger 5 gets accessory power supply voltage class, the microcontroller 6 inside charger 5 passes through control first
Switch 8 is selected, 12VDC power module 7 or 12VDC power module 9 is selected to provide accessory power supply to electric vehicle BMS3.
After electric car BMS (3) is worked normally, charger 5 starts to communicate with, and obtains charging demand for electric vehicles, so
After start to charge work.
The present invention is when charging station is planned and is built, when charging station is planned and is built, without planning and building two respectively
Vehicular charging facility or region of the kind for different BMS accessory power supply voltage class；In charging, rifle is inserted directly to charging vehicle
Charging manages and maintains Research on Voltage Class without special messenger, eliminates the worry to Research on Voltage Class, avoid vehicle
Damage and unnecessary dispute.This method has the advantage of automatic identification electric car BMS accessory power supply, intelligent charge.It should
Invention obviously solves the problems, such as the industry pain spot as caused by the BMS accessory power supply disunity of electric car.
Claims (9)
1. a kind of charging system of Auto-matching electric car BMS accessory power supply voltage class, it is characterised in that: including charger
(5) it and is mounted on electric car inside and is stored with the voltage class note of the accessory power supply voltage level parameters of electric car BMS
It records device (2), the charger is connected by microcontroller (6) with voltage class logger (2), to obtain electric car BMS's
Accessory power supply voltage level parameters, charger (5) provide and its phase according to the voltage level parameters of acquisition for electric car BMS
The accessory power supply matched；The voltage class logger (2) includes the second microcontroller (10), to obtain and store voltage class
Supplemental characteristic, second microcontroller are connected with voltage class mark module, the label including digital quantity or analog quantity form
Module.
2. a kind of charging system of Auto-matching electric car BMS accessory power supply voltage class according to claim 1,
Be characterized in that: the voltage class logger (2) has the communication interface of connecting electric automobile BMS, records to voltage class
Device communicates with electric car BMS and obtains the accessory power supply voltage level parameters of electric car BMS.
3. a kind of charging system of Auto-matching electric car BMS accessory power supply voltage class according to claim 1,
Be characterized in that: the voltage class logger (2) has the communication interface of connection host computer (4), to pass through host computer to electricity
It presses grade logger (2) to carry out voltage level parameters configuration, makes its recording voltage class parameter or label.
4. a kind of charging system of Auto-matching electric car BMS accessory power supply voltage class according to claim 1,
Be characterized in that: the microcontroller (6) of the charger is connected by communication with voltage class logger (2).
5. a kind of charging system of Auto-matching electric car BMS accessory power supply voltage class according to claim 4,
It is characterized in that: when voltage class logger (2) and electric car BMS are communicated to connect, the voltage class logger (2) and electricity
The communication bus and charger of electrical automobile BMS and the communication bus of voltage class logger are in the same bus.
6. a kind of charging system of Auto-matching electric car BMS accessory power supply voltage class according to claim 1,
Be characterized in that: the charger further comprises having first choice to switch (8), the input of first choice switch and microcontroller
It is connected, the output of first choice switch is connected by low pressure accessory power supply conducting wire with electric car BMS, and the first choice is opened
Connection is connected to the power module of different voltages grade, and first choice switch connects relevant voltage according to the command selection of microcontroller
The power module of grade.
7. a kind of charging system of Auto-matching electric car BMS accessory power supply voltage class according to claim 1,
Be characterized in that: second microcontroller passes through the second selection switch connection voltage class mark module.
8. a kind of charging method of Auto-matching electric car BMS accessory power supply voltage class, the charging method are wanted based on right
The charging system of Auto-matching electric car BMS accessory power supply voltage class described in asking any one of 1 to 7, it is characterised in that:
The following steps are included:
(1) voltage class logger (2) obtains electric car BMS accessory power supply voltage level parameters；
(2) charger obtains electric car BMS accessory power supply voltage class data by voltage class logger (2)；
(3) charger selects the power module of access relevant voltage grade according to the data of acquisition, provides to electric car BMS auxiliary
Power supply is helped, its start-up operation is made.
9. a kind of charging method of Auto-matching electric car BMS accessory power supply voltage class according to claim 8,
Be characterized in that: the method that voltage class logger (2) obtains electric car BMS accessory power supply voltage class includes: voltage class
Logger (2) obtains and records the accessory power supply voltage of electric car BMS (3) by being communicated with electric car BMS (3)
Class parameter or label；Or voltage level parameters configuration is carried out to voltage class logger (2) by host computer (4), make it
Record BMS accessory power supply voltage level parameters or label；Or it is opened by second internal selection of voltage class logger (2)
It closes (11) switching selection 24VDC label (12) and 12VDC label (14) determines voltage class, and recording parameters or label.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610658276.8A CN106218430B (en) | 2016-08-11 | 2016-08-11 | A kind of charging system and method for Auto-matching electric car BMS accessory power supply voltage class |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610658276.8A CN106218430B (en) | 2016-08-11 | 2016-08-11 | A kind of charging system and method for Auto-matching electric car BMS accessory power supply voltage class |
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| CN106218430A CN106218430A (en) | 2016-12-14 |
| CN106218430B true CN106218430B (en) | 2019-04-05 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107351686A (en) * | 2017-06-20 | 2017-11-17 | 东风神宇车辆有限公司 | A kind of method for DC charging DC12V or DC24V identification conversion |
| CN110893788B (en) * | 2019-11-15 | 2022-03-25 | 长园深瑞继保自动化有限公司 | Charging pile power module wide-range output control method |
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| CN204706914U (en) * | 2015-06-12 | 2015-10-14 | 天水长城电器成套设备实业有限公司 | Electric automobile Computerized fast charger |
| CN105337382A (en) * | 2015-08-21 | 2016-02-17 | 国网天津市电力公司 | Non-vehicle-mounted intelligent DC charging pile |
| CN105720663A (en) * | 2014-12-03 | 2016-06-29 | 比亚迪股份有限公司 | Charging cabinet for electric vehicle and control method thereof |
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2016
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|---|---|---|---|---|
| US5998968A (en) * | 1997-01-07 | 1999-12-07 | Ion Control Solutions, Llc | Method and apparatus for rapidly charging and reconditioning a battery |
| CN101318489A (en) * | 2008-05-07 | 2008-12-10 | 中国科学院电工研究所 | Vehicle battery management system control method |
| CN101777783A (en) * | 2010-03-16 | 2010-07-14 | 南京工程学院 | 24V, 36V and 48V share charger without distinguishing anode and cathode for electric bicycle |
| CN105720663A (en) * | 2014-12-03 | 2016-06-29 | 比亚迪股份有限公司 | Charging cabinet for electric vehicle and control method thereof |
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| CN106218430A (en) | 2016-12-14 |
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