CN109552096A - A kind of electric car Intelligent charging station charging terminal - Google Patents
A kind of electric car Intelligent charging station charging terminal Download PDFInfo
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- CN109552096A CN109552096A CN201811208624.7A CN201811208624A CN109552096A CN 109552096 A CN109552096 A CN 109552096A CN 201811208624 A CN201811208624 A CN 201811208624A CN 109552096 A CN109552096 A CN 109552096A
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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
- 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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Abstract
The invention discloses a kind of electric car Intelligent charging station charging terminals; including charge controller; the charge controller is equipped with active safety protective module; the active safety protective module is monitored power accumulator and charger, and while meeting active safety protective condition during the charging process executes active safety safeguard measure.The present invention executes active safety safeguard measure when meeting active safety protective condition during the charging process, guarantees safe charging, avoids the occurrence of safety accident.
Description
Technical field
The present invention relates to electric power project engineerings, and in particular to charging station.
Background technique
With the rapid development of electric vehicles, increased year by year using crowd's quantity of electric car, the charging of user needs
Ask very urgent.Existing charging terminal can just stop charging encountering the case where can not charging during the charging process, only, often
In the case of some endanger charging safety, effective active defense not can be carried out.
Summary of the invention
The technical problem to be solved by the invention is to provide a kind of electric car Intelligent charging station charging terminal, realization is filled
The active safety protection of electric terminals during the charging process.
In order to solve the above technical problems, the present invention adopts the following technical scheme: a kind of electric car Intelligent charging station charges
Terminal, including charge controller, the charge controller are equipped with the active safety being monitored to power accumulator and charger
Protective module meets active safety protective module when active safety protective condition during the charging process and executes active safety guarantor
Shield measure；
The active safety protective condition includes one of the following conditions or a variety of:
A) highest monomer power accumulator voltage, which is greater than highest, allows charging voltage；
B) highest power accumulator temperature is greater than maximum permissible temperature；
C) charging pile voltage output value, Vehicular charging voltage requirements value or battery charging voltage measured value are permitted greater than highest
Perhaps charge total voltage；
D) charging pile current output value, Vehicular charging current needs value or battery charge measured value are permitted greater than highest
Perhaps charging current；
E) charging pile adds up charge capacity greater than the nominal gross energy of power accumulator；
F) difference of power accumulator charging voltage measured value and charger voltage output value exceeds preset threshold；
G) difference of power accumulator charging current measured value and charger current output value exceeds preset threshold；
H) the current state-of-charge SOC of power accumulator and estimation remaining charging time do not change within a preset time；It is described
Active safety safeguard measure includes stopping charging within a preset time, disconnecting high-voltage DC contactor and low pressure accessory power supply relay
Device uploads warning information.
Preferably, one of following situation occurs during the charging process, then charge controller control charger stops charging, and
High-voltage DC contactor and low pressure accessory power supply relay are disconnected within a preset time,
A) charger occurs that the failure of charging cannot be continued；
B) triggering emergency stop switch movement；
C) the protection ground wire between charging pile and electric car disconnects；
D) the connection confirmation signal between charging pile and electric car disconnects.
Preferably, the vehicle plug is equipped with electronic lock and mechanical lock with Vehicular charging interface locking, at electronic lock
When lock position, mechanical lock can not be operated, the charge controller can judge electronic lock whether secure ratcs, when electronic lock not
When secure ratcs, charging pile cannot start charging or stop charging, in charging pile power loss, electronic lock energy automatic unlocking,
The electric lockset is for unlocking function of meeting an urgent need under abnormal conditions.
Preferably, the charging pile has knee matching anticipation function, vehicle ready charge initiation stage, in vehicle
After holding D.C. contactor closure, charging pile detects vehicle end cell voltage, the vehicle power accumulator then sent with vehicle
Current battery level is compared, if the two difference is no more than ± 15V, and battery voltage detection value is in charger output voltage
In range, then allow charge initiation process；If the two difference is more than ± 15V or battery voltage detection value is more than charger
Output voltage range then stops charge initiation process.
Preferably, the charging pile has pre-charging functions, and the vehicle ready charge initiation stage is detected in charging pile
To vehicle end cell voltage and confirm the normal laggard line precharge control of knee matching, charger output voltage is adjusted to battery
Voltage measuring value subtracts 1V~10V, recloses charging pile D.C. contactor, the vehicle that charging pile D.C. contactor occurs when connecting
It controls to charging equipment or charging equipment to the dash current of vehicle in 20A or less.
Preferably, the charge controller is equipped with control module of releasing, release control module and the leadage circuit communication
Connection, when charging normal end or improper charge rest, control module control of releasing after the disconnection of charging pile D.C. contactor
Leadage circuit in time releases to charger output voltage, and DC output voltage is dropped to 60V or less in 1 second.
Preferably, the charging pile has D.C. contactor Stateful Inspection function, judges that contactor is closed every time and disconnects
Whether action state is consistent with control command, stops charging flow if inconsistent, while disconnecting every time in contactor laggard
The detection of row contact adhesion, when discovery has adhesion to happen, charging pile alarm stops service.
Preferably, the charge controller is equipped with the insulating monitoring module that insulating monitoring is carried out to DC output circuit.
Preferably, the charging pile is equipped with auxiliary power module.
Preferably, the charging pile is equipped with the metering module measured to charging interface output electric energy.
The present invention by adopting the above technical scheme, has the following beneficial effects: that charging terminal is equipped with active safety protective module,
Active safety safeguard measure is executed when meeting active safety protective condition during the charging process, guarantees safe charging, avoids the occurrence of
Safety accident.
The specific technical solution of the present invention and its advantages will in the following detailed description in conjunction with attached drawing into
Row detailed description.
Detailed description of the invention
Present invention will be further described below with reference to the accompanying drawings and specific embodiments:
Fig. 1 is system configuration block diagram of the invention；
Fig. 2 is charger electrical principle block diagram；
Fig. 3 is switch matrix electrical principle block diagram；
Fig. 4 is charging terminal electrical arrangement functional block diagram.
Specific embodiment
Refering to what is shown in Fig. 1, substation uses 10kV three-winding transformer, wherein 10kV power grid is accessed in high-pressure side, for area
Load power supply；Low-pressure side 0.4kV accesses electric car Intelligent charging station, directly service charging equipment of electric automobile, realizes simultaneously
Residential area electricity consumption supply.Wherein, electric car Intelligent charging station includes several chargers, and each charger connects 6 chargings
Terminal, charger is using outdoor design, and for power cell centralized arrangement inside charger, charging terminal arranges parking stall one end,
Charging terminal configures human-computer interaction interface and charging gun using single rifle design.In addition, it is additionally provided with charging monitoring system, 1 road 20A
Power supply is introduced as charging monitoring power supply, and each substation can configure substation supervision system, and substation supervision system can be by charging, friendship
Easily, status information is wirelessly uploaded to area monitoring platform, and substation supervision system includes charging monitoring cabinet and charging
Policer operation person station.
Referring to figs. 2 and 3 shown in, the charger include AC distribution module, 12 rectification modules, switch matrix and
Power controller, wherein the AC distribution module is 6 charging terminal power supplies, and the switch matrix has 9 groups of power lists
Member, the switch matrix is according to the control instruction of power controller, by the output of every group of power cell in 6 tunnel direct current output circuits
Switching, 1 to 6 direct current output circuit are connected with corresponding 6 charging terminals.
Wherein, the AC distribution module uses 1 road 380V plant-grid connection, and enter line side includes incoming breaker, contactor
And lightning protection device, output feed set earth leakage circuit-breaker, set DC fast speed fuse in charging connection output end, provide overload and it is short
Road defencive function.
Rectification module uses Width funtion output area (200V~750V), power limitation control 15kW intelligent high-frequency switching mode electricity
Source, 12 rectification modules are divided into 9 groups of power cells, and 1-6 group power cell power is 15kW, are separately connected 1 to 6 direct current output
Circuit, 7-9 group power cell power are 30kW, and 7-9 group power cell can flexibly be thrown every group of power cell by switch matrix
It cuts in 1 to 6 direct current output circuit.
Switch matrix uses high-voltage DC contactor, and according to the control instruction of power controller, by every group of power cell
Output in 6 tunnel charging connection output end switchings, realize and dynamically distribute.
The power controller is communicated with charging terminal, rectification module and switch matrix respectively, according to Vehicular charging demand,
Charge power distribution and Load Regulation instruction are assigned by scheduled control strategy, while sending charging machine equipment shape to monitoring system
State and warning information.
Wherein, the charging strategy of charger is described as follows:
The charging of total power wheel sequence:
A) every group of team control charhing unit, the charge power of 1 charging terminal output 180kW is, it can be achieved that high current is quickly filled
Electricity, before charging terminates, remaining charging terminal does not provide charging service；
B) during the charging process when redundancy occurs in the charge power for distributing to vehicle, under the premise of meeting charging current
Redundant power cells are cut off one by one, subsequently into idle power charging module sequence.
Mean power charging:
Every group of team control charhing unit, 6 charging terminals export the charge power of 30kW, while filling to 6 trolleys
Electricity.
The charging of free style dynamic power:
A) sequence for entering charge sequence according to vehicle successively meets charge power demand, guarantees to enter charge sequence vehicle
The design of the principle that can be charged at any time；Specific control logic requires as follows:
B) it when vehicle enters charge sequence, if the idle power of charger >=charge requirement power, is needed by charging
Distribution is asked to export corresponding charge power to Vehicular charging；If the idle power < charge requirement power of charger, with surplus
Spare time sets power output to Vehicular charging；
C) when vehicle enters charge sequence, if charger uses the binding power list of the charge port without idle power
Member enters charge sequence vehicle to this and charges；
D) during the charging process when redundancy occurs in the charge power for distributing to vehicle, under the premise of meeting charging current
Redundant power charging module is cut off one by one, subsequently into idle power charging module sequence, is distributed by the principle of first in first out
It is used to other vehicles for having demand.
In addition, the charger is equipped with input over-voltage and under-voltage protective module, when inputting over-voltage or under-voltage protection acts,
Rectification module shuts down and alerts.
The charger is equipped with output overvoltage and overcurrent protection module, when output overvoltage or overcurrent protection movement, rectification
Module is shut down and is alerted.
The charger output end is equipped with for preventing power battery electric current from flowing backward isolating diode to charger.
The charger is equipped with overheat protector module, and drop power output is taken when internal overtemperature；Proper overheat protector is dynamic
When making, rectification module shuts down and alerts.
The charger is in dynamically distributing power process, and rectification module exports residual voltage when cutting off, when rectification module is put into
Has output rush of current limitation capability.
The charger is equipped with temperature and humidity adjustment module, and temperature and humidity adjustment module carries out the temperature and humidity in charger cabinet
Monitoring, and automatically adjust temperature and humidity in cabinet and be in setting range.
The charger is equipped with water logging protective module, and the water logging protective module reaches certain in the water level immersed in cabinet
Automatically alternating current input power supplying is disconnected when height, is simultaneously emitted by alarm signal.
Charger has cabinet door and opens defencive function, disconnects exchange input electricity automatically when the door for the cabinet that charges is opened
Source is simultaneously emitted by alarm signal.
The cabinet of charger has dust reduction capability, and strainer, electrostatic adsorption device, strainer is arranged in the inlet and outlet of ventilation and heat
Removable installation, maintains easily disassembly, cleaning.
Team control charging control unit, which is adopted, to computerized control, and 1 CAN mouthfuls communicate with power controller, charging terminal, acquisition
Charger status information, charge information, Vehicular battery information；1 CAN mouthfuls communicate with charging terminal, issue charging power-on command
And charging transaction electric degree information is acquired, execute the instruction of cluster load control.
Refering to what is shown in Fig. 4, the charging terminal includes the charging pile connecting with charger, the charging connecting with charging pile electricity
Cable, the vehicle plug connecting with charging cable, charging pile are equipped with charge controller.The charge controller uses computer control
System is responsible for connecting confirmation, battery management system (BMS) communication with vehicle and be filled with charger, Vehicular battery communication
Current-programmed system above send the information such as vehicle connection status, battery charge requirement, charging pile state.
The charge controller is equipped with active safety protective module, the active safety protective module to power accumulator and
Charging terminal is monitored, including power accumulator charge parameter, charge requirement, the total state of charging and battery status information, and
Combined charge terminal operating status information carries out comprehensive descision, executes master when meeting active safety protective condition during the charging process
Dynamic safety precautions.
The active safety protective condition includes:
A) highest monomer power accumulator voltage, which is greater than highest, allows charging voltage；
B) highest power accumulator temperature is greater than maximum permissible temperature；
C) charging pile voltage output value, Vehicular charging voltage requirements value or battery charging voltage measured value are permitted greater than highest
Perhaps charge total voltage；
D) charging pile current output value, Vehicular charging current needs value or battery charge measured value are permitted greater than highest
Perhaps charging current；
E) charging pile adds up charge capacity greater than the nominal gross energy of power accumulator；
F) power accumulator charging voltage measured value differs ± 15V or more with charger voltage output value；
G) power accumulator charging current measured value differs ± 15A or more with charger current output value；
H) the current state-of-charge SOC of power accumulator and estimation remaining charging time do not change in 5min；
The active safety safeguard measure includes stopping charging in 1s, disconnecting high-voltage DC contactor and low pressure auxiliary electricity
Source relay uploads warning information.
The active safety safeguard measure includes stopping charging in 1s, disconnecting high-voltage DC contactor and low pressure auxiliary electricity
Source relay uploads warning information.Active safety defencive function can Local or Remote option and installment.
In addition, following situations occur during the charging process, then charge controller control charger stops charging, and
High-voltage DC contactor and low pressure accessory power supply relay are disconnected in 100ms,
A) charger occurs that the failure of charging cannot be continued；
B) triggering emergency stop switch movement；
C) the protection ground wire between charging pile and electric car disconnects；
D) the connection confirmation signal between charging pile and electric car disconnects.
If communication timeout such as occurs for charging pile and vehicle BMS, stop charging, and disconnects high voltage direct current in 10s and connect
Tentaculum re-initiates communication handshake later and starts to charge；If reconnecting 3 times still not successfully, that is, confirms communication disruption, then stop
Only this charges, and disconnects high-voltage DC contactor and low pressure accessory power supply relay in 10s.
The vehicle plug is equipped with electronic lock and mechanical lock with Vehicular charging interface locking, when electronic lock is in locking position
When setting, mechanical lock can not be operated, the charge controller can judge electronic lock whether secure ratcs, when the non-secure ratcs of electronic lock
When, charging pile stops charging or cannot start charging, in charging pile power loss, electronic lock energy automatic unlocking, and the electronics
Lockset is for unlocking function of meeting an urgent need under abnormal conditions.
The charging pile has knee matching anticipation function, vehicle ready charge initiation stage, in vehicle end direct current
After contactor closure, charging pile detects vehicle end cell voltage, and the vehicle power accumulator then sent with vehicle is currently electric
Cell voltage is compared, if the two difference is no more than ± 15V, and battery voltage detection value is in charger output voltage range
It is interior, then allow charge initiation process；If the two difference is more than ± 15V or battery voltage detection value is more than the output of charger
Voltage range then stops charge initiation process.
The charging pile has pre-charging functions, in the vehicle ready charge initiation stage, detects vehicle in charging pile
End cell voltage simultaneously confirms the normal laggard line precharge control of knee matching, and the adjusting of charger output voltage is arrived and cell voltage
The difference of measured value is less than 10V, recloses charging pile D.C. contactor, and the vehicle that charging pile D.C. contactor occurs when connecting is to filling
The dash current of electric equipment or charging equipment to vehicle is controlled in 20A or less.
The charge controller is equipped with and releases control module, release control module and the leadage circuit communication connection, just
When often charging end or improper charge rest, control module of releasing after the disconnection of charging pile D.C. contactor control leadage circuit
It releases in time to charger output voltage, and DC output voltage is dropped into 60V or less in 1 second.
The charging pile has D.C. contactor Stateful Inspection function, judges that contactor is closed every time and disconnects action state
It is whether consistent with control command, stop charging flow if inconsistent, while carrying out contact after contactor disconnects every time and gluing
It even detects, when discovery has adhesion to happen, charging pile alerts and stops servicing.
The charge controller is equipped with the insulating monitoring module that insulating monitoring is carried out to DC output circuit, and can be with electricity
The insulation-monitoring function of electrical automobile matches.The insulation-monitoring function of charging pile meets annex in GB/T 18487.1-2015
B.4.1 regulation and B.4.2.
The charge controller has storage Vehicular charging writing function.
The charging pile is equipped with auxiliary power module.The charging pile, which is equipped with, exports what electric energy was measured to charging interface
Metering module.Metering module should be provided using GB/T 29318-2012 " electric car non-on-board charger electrical energy measurement " is met
Intelligent DC electric energy meter, current circuit through current divider access and and the design of metering module integrative packaging, wiring and installation side
Formula meets fast assembling-disassembling requirement, and user is facilitated to examine and determine.
Charging pile has charge data writing function, is acquired, deposits to following data during connecting Vehicular charging
Storage.Charging pile circulation storage at least 3 record of charging, and have power-down protection.
A) configuration phase power accumulator charge parameter message (BCP)；
B) charging stage battery charge requirement message (BCL), sampling period≤1min；
C) the total state message (BCS) of charging stage battery charging, sampling period≤1min；
D) charging stage charger charged state message (CCS), sampling period≤1min；
E) charging stage power accumulator status information message (BSM), sampling period≤1min；
F) charging stage vehicle suspension charging message (BST)；
G) charging stage charger stops charging message (CST)；
H) ending phase car statistics data message (BSD) is charged；
I) ending phase charger statistical data message (CSD) is charged.
Charging pile has the function that the various exception informations in charging control process are acquired, alert, are stored, alarm
Record storage is no less than 200, and has power-down protection.
Charging pile has operating status instruction function, including " power supply ", " charging ", " alarm ", using LED light.
Charging pile has humidity control module, and charging pile humidity is adjusted, and prevents that condensation endangers.
Charging pile internal component mounting height is not less than 600mm away from bottom, prevents water enchroachment (invasion) from endangering.
Charging pilework is button fly front, meets maintenance mounted against a wall.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, is familiar with
The those skilled in the art should be understood that the present invention includes but is not limited to content described in specific embodiment above.It is any
Modification without departing from function and structure principle of the invention is intended to be included in the range of claims.
Claims (10)
1. a kind of electric car Intelligent charging station charging terminal, it is characterised in that: including charge controller, the charge controller
Equipped with the active safety protective module being monitored to power accumulator and charger, meet active safety guarantor during the charging process
The active safety protective module executes active safety safeguard measure when guard strip part；
The active safety protective condition includes one of the following conditions or a variety of:
A) highest monomer power accumulator voltage, which is greater than highest, allows charging voltage；
B) highest power accumulator temperature is greater than maximum permissible temperature；
C) charging pile voltage output value, Vehicular charging voltage requirements value or battery charging voltage measured value are greater than highest and allow to fill
Electric total voltage；
D) charging pile current output value, Vehicular charging current needs value or battery charge measured value are greater than highest and allow to fill
Electric current；
E) charging pile adds up charge capacity greater than the nominal gross energy of power accumulator；
F) difference of power accumulator charging voltage measured value and charger voltage output value exceeds preset threshold；
G) difference of power accumulator charging current measured value and charger current output value exceeds preset threshold；
H) the current state-of-charge SOC of power accumulator and estimation remaining charging time do not change within a preset time；
The active safety safeguard measure includes stopping charging within a preset time, disconnecting high-voltage DC contactor and low pressure auxiliary
Power supply relay uploads warning information.
2. a kind of electric car Intelligent charging station charging terminal according to claim 1, it is characterised in that: in charging process
Middle that one of following situation occurs, then charge controller control charger stops charging, and disconnects high voltage direct current within a preset time
Contactor and low pressure accessory power supply relay,
A) charger occurs that the failure of charging cannot be continued；
B) triggering emergency stop switch movement；
C) the protection ground wire between charging pile and electric car disconnects；
D) the connection confirmation signal between charging pile and electric car disconnects.
3. a kind of electric car Intelligent charging station charging terminal according to claim 1, it is characterised in that: the vehicle is inserted
Head is equipped with electronic lock and mechanical lock with Vehicular charging interface locking, and when electronic lock is in lock position, mechanical lock can not be grasped
Make, the charge controller can judge electronic lock whether secure ratcs, when the non-secure ratcs of electronic lock, charging pile cannot start
Charging stops charging, and in charging pile power loss, electronic lock energy automatic unlocking, the electric lockset under abnormal conditions for answering
Anxious unlocking function.
4. a kind of electric car Intelligent charging station charging terminal according to claim 1, it is characterised in that: the charging pile
Have knee matching anticipation function, the vehicle ready charge initiation stage, vehicle end D.C. contactor be closed after, charging pile
Detecting vehicle end cell voltage, the vehicle power accumulator current battery level then sent with vehicle is compared, if
The two difference is no more than ± 15V, and battery voltage detection value then allows charge initiation mistake in charger output voltage range
Journey；If the two difference is more than ± 15V or battery voltage detection value is more than the output voltage range of charger, stop to charge
Start-up course.
5. a kind of electric car Intelligent charging station charging terminal according to claim 1, it is characterised in that: the charging pile
Have pre-charging functions, in the vehicle ready charge initiation stage, detects vehicle end cell voltage in charging pile and confirm vehicle
The normal laggard line precharge control of stake matching, charger output voltage is adjusted to battery voltage measurement and subtracts 1V~10V, then
It is closed charging pile D.C. contactor, the vehicle that charging pile D.C. contactor occurs when connecting to charging equipment or charging equipment
Dash current to vehicle is controlled in 20A or less.
6. a kind of electric car Intelligent charging station charging terminal according to claim 1, it is characterised in that: the charging control
Device processed is equipped with control module of releasing, and release control module and the leadage circuit communication connection charge normal end or improper
When charge rest, control module of releasing after the disconnection of charging pile D.C. contactor control leadage circuit exports electricity to charger in time
Pressure is released, and DC output voltage is dropped to 60V or less in 1 second.
7. a kind of electric car Intelligent charging station charging terminal according to claim 1, it is characterised in that: the charging pile
Have D.C. contactor Stateful Inspection function, judge contactor be closed every time with disconnect action state whether with control command one
Cause, stop charging flow if inconsistent, while after contactor disconnects every time progress contact adhesion detection, when discovery have it is viscous
When company happens, charging pile alarm stops service.
8. a kind of electric car Intelligent charging station charging terminal described in claim 1, it is characterised in that: the charge controller
Equipped with the insulating monitoring module for carrying out insulating monitoring to DC output circuit.
9. a kind of electric car Intelligent charging station charging terminal described in claim 1, it is characterised in that: the charging pile is equipped with
Auxiliary power module.
10. a kind of electric car Intelligent charging station charging terminal described in claim 1, it is characterised in that: the charging pile is set
There is the metering module measured to charging interface output electric energy.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811208624.7A CN109552096B (en) | 2018-10-17 | 2018-10-17 | Charging terminal of intelligent charging station for electric automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811208624.7A CN109552096B (en) | 2018-10-17 | 2018-10-17 | Charging terminal of intelligent charging station for electric automobile |
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| CN109552096B CN109552096B (en) | 2022-06-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110745026A (en) * | 2019-11-04 | 2020-02-04 | 武昌首义学院 | Intelligent charging stake |
| CN113452125A (en) * | 2021-07-30 | 2021-09-28 | 深圳前海云充科技有限公司 | Method and device for interaction between charger and control terminal, terminal and storage medium |
| WO2023050172A1 (en) * | 2021-09-29 | 2023-04-06 | 宁德时代新能源科技股份有限公司 | Method and apparatus for preventing battery overcharge, and charger and storage medium |
| CN116368704A (en) * | 2020-08-19 | 2023-06-30 | 微宏有限责任公司（德国） | Parallel battery management method |
| CN117141300A (en) * | 2023-08-24 | 2023-12-01 | 浪潮智能物联技术有限公司 | Charging pile method and device for realizing self-adaptive charging power |
| CN118219898A (en) * | 2024-05-24 | 2024-06-21 | 国网天津市电力公司滨海供电分公司 | Be applied to safety device who fills electric pile |
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