CN109466371A - The concentration charge control system and method for low-speed electronic vehicle lithium ion battery - Google Patents
The concentration charge control system and method for low-speed electronic vehicle lithium ion battery Download PDFInfo
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- CN109466371A CN109466371A CN201811119878.1A CN201811119878A CN109466371A CN 109466371 A CN109466371 A CN 109466371A CN 201811119878 A CN201811119878 A CN 201811119878A CN 109466371 A CN109466371 A CN 109466371A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- 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
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/12—Remote or cooperative charging
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Abstract
Embodiment of the present invention discloses the concentration charge control system and method for low-speed electronic vehicle lithium ion battery.Multiple battery subsystems；Each battery subsystem includes low-speed electronic vehicle lithium ion battery and battery management system (BMS), and wherein BMS is used to acquire the parameter value of low-speed electronic vehicle lithium ion battery；Charging unit is concentrated, for concentrating charging for each low-speed electronic vehicle lithium ion battery of multiple battery subsystems；Wherein concentrating charging unit further includes remote monitoring module, for obtaining parameters value respectively from each BMS of multiple battery subsystems, and sends the reporting message identified comprising parameters value and corresponding battery subsystem；Server sends the first charging comprising fail battery subsystem identification to remote monitoring module and ceases and desist order for receiving reporting message, and when being determined based on parameters value has battery subsystem to break down.The present invention realizes long-range charge control and corresponding charging.
Description
Technical field
The present invention relates to automobile technical fields, more particularly, to the concentration charging control of low-speed electronic vehicle lithium ion battery
System and method processed.
Background technique
Energy shortage, oil crisis and environmental pollution grow in intensity, and bring tremendous influence, direct relation to people's lives
To the sustainable development of national economy and society.Countries in the world are all in active development new energy technology.Electric car is as a kind of
Reduce the new-energy automobile of consumption of petroleum, low pollution, low noise, it is considered to be solve the important way of energy crisis and environmental degradation
Diameter.Hybrid vehicle combines the advantage of pure electric automobile and traditional combustion engine automobile, is meeting vehicle dynamic quality requirement
Under the premise of being required with continual mileage, effectively improve fuel economy, reduce discharge, it is considered to be current energy conservation with subtract
One of active path of row.
Low-speed electronic vehicle defines extensively covers electric bicycle, battery-operated motor cycle, electro-tricycle and low-speed electronic automobile
Deng wherein low-speed electronic automobile refers to simple four-wheel pure electric automobile, and typically up to speed is 70km/h, and shape, structure, property
It can be similar with fuel-engined vehicle.On Vehicles Collected from Market, the low-speed electronics vehicle such as sanitation cart, express delivery vehicle, electric bicycle is generallyd use
48V battery system.
When low-speed electronic vehicle, which is concentrated, to charge, need reasonable technological means and carry out charging process protection, especially without
People charging place on duty, it is more urgent to charge protection demand.
Moreover, low-speed electronic vehicle generally uses lead-acid battery.That there are energy densities is low for lead-acid battery, pollution is high, the service life is short
The disadvantages of.Lithium ion battery can effectively solve the above problem of lead-acid battery.But, lithium ion battery wants the parameters such as temperature
It asks higher, safety problem is especially noted that in use process.
Summary of the invention
The purpose of the present invention is to propose to the concentration charge control system of low-speed electronic vehicle lithium ion battery and method, Ke Yiti
High security.
A kind of concentration charge control system of low-speed electronic vehicle lithium ion battery, comprising:
Multiple battery subsystems；Each battery subsystem includes low-speed electronic vehicle lithium ion battery and battery management system,
Wherein the battery management system is used to acquire the parameter value of the low-speed electronic vehicle lithium ion battery；
Charging unit is concentrated, is filled for each low-speed electronic vehicle lithium ion battery concentration for the multiple battery subsystem
Electricity；Wherein the concentration charging unit further includes remote monitoring module, for each battery from the multiple battery subsystem
Management system obtains parameters value respectively, and sends and report comprising what parameters value and corresponding battery subsystem identified
Message；
Server for receiving the reporting message, and ought have battery subsystem hair based on parameters value determination
When raw failure, Xiang Suoshu remote monitoring module sends the first charging comprising fail battery subsystem identification and ceases and desist order；
Wherein first charging is ceased and desisted order and is sent to corresponding to fail battery by the remote monitoring module
The battery management system of system banner, the battery management system corresponding to the fail battery subsystem identification are based on described first
Charging, which is ceased and desisted order, stops charging.
In one embodiment, the number of the battery subsystem is n, the low-speed electronic vehicle lithium ion battery
Number is n；The concentration charging unit includes n lithium battery charger and power conversion module, and n is positive integer；Wherein:
Each lithium battery charger, for charging to corresponding low-speed electronic vehicle lithium ion battery；
Power conversion module, for being respective cell tube in the remote monitoring module and the n battery subsystem
Manage system power supply.
In one embodiment, further includes:
Accounting server is obtained for saving the prepayment information of each battery subsystem from the concentration charging unit
The charge parameter of each battery subsystem calculates the charge information of each battery subsystem based on the charge parameter, is based on institute
State the mark of the comparison result battery subsystem that determines that Sorry, your ticket has not enough value of charge information and the prepayment information；
Server is also used to send second of the mark comprising Sorry, your ticket has not enough value battery subsystem to the remote monitoring module
Charging is ceased and desisted order；
Wherein the remote monitoring module, which ceases and desist order second charging to be sent to, corresponds to Sorry, your ticket has not enough value the electricity
The battery management system of the mark of pond system, the battery management system of the mark corresponding to Sorry, your ticket has not enough value the battery subsystem
It is ceased and desisted order based on second charging and stops charging.
In one embodiment, further includes:
Accounting server is obtained for saving the prepayment information of each battery subsystem from the concentration charging unit
The charge parameter of each battery subsystem calculates the charge information of each battery subsystem based on the charge parameter, is based on institute
State the mark of the comparison result battery subsystem that determines that Sorry, your ticket has not enough value of charge information and the prepayment information；
Server is also used to send second of the mark comprising Sorry, your ticket has not enough value battery subsystem to the remote monitoring module
Charging is ceased and desisted order；
Wherein the concentration charging unit is based on second charging and ceases and desist order stopping as Sorry, your ticket has not enough value corresponding to described
Battery subsystem charging.
In one embodiment, further includes:
Environmental detection sensor accommodates the multiple battery subsystem and the space for concentrating charging unit for detecting
Environmental parameter, the environmental parameter is uploaded into the server；
The wherein server is also used to when the environmental parameter meets scheduled emergency condition, to described remote
Range monitoring module sends emergent stopping charge command；Wherein the remote monitoring module sends the emergent stopping charge command
To whole battery management systems, whole battery management systems is based on the emergent stopping charge command and stops charging.
A kind of concentration charge control method of low-speed electronic vehicle lithium ion battery, this method be suitable for low-speed electronic vehicle lithium from
The concentration charge control system of sub- battery, the concentration charge control system includes: multiple battery subsystems；Each battery subsystem
System includes low-speed electronic vehicle lithium ion battery and battery management system；Concentration charging unit including remote monitoring module；Service
Device；This method comprises:
Each battery management system of multiple battery subsystems acquires the ginseng of each low-speed electronic vehicle lithium ion battery respectively
Numerical value；
Each low-speed electronic vehicle lithium ion battery that charging unit is the multiple battery subsystem is concentrated to concentrate charging, far
Range monitoring module obtains parameters value from each battery management system of the multiple battery subsystem respectively, and sends and include
The reporting message of parameters value and corresponding battery subsystem mark；
Server receives the reporting message, and work as has battery subsystem to break down based on parameters value determination
When, Xiang Suoshu remote monitoring module sends the first charging comprising fail battery subsystem identification and ceases and desist order；
First charging is ceased and desisted order and is sent to corresponding to the fail battery subsystem by the remote monitoring module
The battery management system of mark, the battery management system corresponding to the fail battery subsystem identification are based on first charging
Stopping of ceasing and desisting order is charged.
In one embodiment, the number of the battery subsystem is n, the low-speed electronic vehicle lithium ion battery
Number is n；The concentration charging unit includes n lithium battery charger and power conversion module, and n is positive integer；
Each low-speed electronic vehicle lithium ion battery concentration that charging unit is the multiple battery subsystem is wherein concentrated to fill
Electricity includes:
Each lithium battery charger charges to corresponding low-speed electronic vehicle lithium ion battery, and power conversion module is described remote
Respective battery management system power supply in range monitoring module and the n battery subsystem.
In one embodiment, this method further include:
Accounting server saves the prepayment information of each battery subsystem, obtains each electricity from the concentration charging unit
The charge parameter of pond system calculates the charge information of each battery subsystem based on the charge parameter, is based on the charging
The mark for battery subsystem that the comparison result of information and the prepayment information determines that Sorry, your ticket has not enough value；
Server also sends the second charging of the mark comprising Sorry, your ticket has not enough value battery subsystem to the remote monitoring module
It ceases and desist order；
The concentration charging unit is based on second charging and ceases and desist order stopping as corresponding to Sorry, your ticket has not enough value the battery
Subsystem charging.
In one embodiment, this method further include:
Accounting server saves the prepayment information of each battery subsystem, obtains each electricity from the concentration charging unit
The charge parameter of pond system calculates the charge information of each battery subsystem based on the charge parameter, is based on the charging
The mark for battery subsystem that the comparison result of information and the prepayment information determines that Sorry, your ticket has not enough value；
Server also sends the second charging of the mark comprising Sorry, your ticket has not enough value battery subsystem to the remote monitoring module
It ceases and desist order；
The concentration charging unit is based on second charging and ceases and desist order stopping as corresponding to Sorry, your ticket has not enough value the battery
Subsystem charging.
In one embodiment, this method further include:
Environmental detection sensor detection accommodates the ring of the multiple battery subsystem and the space for concentrating charging unit
The environmental parameter is uploaded to the server by border parameter；
The server is also when the environmental parameter meets scheduled emergency condition, Xiang Suoshu remote monitoring module
Send emergent stopping charge command；
The emergent stopping charge command is sent whole battery management systems by the remote monitoring module, whole
Battery management system is based on the emergent stopping charge command and stops charging.
It can be seen from the above technical proposal that embodiment of the present invention includes: multiple battery subsystems；Each battery subsystem
System includes low-speed electronic vehicle lithium ion battery and battery management system (BMS), and wherein BMS is for acquiring low-speed electronic vehicle lithium ion
The parameter value of battery；Charging unit is concentrated, for each low-speed electronic vehicle lithium ion battery concentration for multiple battery subsystems
Charging；Wherein concentrating charging unit further includes remote monitoring module, for obtaining respectively from each BMS of multiple battery subsystems
Parameters value, and send the reporting message identified comprising parameters value and corresponding battery subsystem；Server is used for
Reporting message is received, and when being determined based on parameters value has battery subsystem to break down, is sent to remote monitoring module
The first charging comprising fail battery subsystem identification is ceased and desisted order.It can be seen that the present invention realize long-range charge control and
Corresponding charging.
Embodiment of the present invention at least has the advantage that the management of (a.) lithium ion battery (monitors all batteries to monomer
Voltage and temperature)；(b.) charging process is realized unattended, remote terminal monitoring；(c.) failure duplicate protection measure (charging
Device and relay)；(d.) multiple battery subsystems can charge simultaneously, and the advantage of scale is obvious, be suitable for concentrating operation；(e.) real
Flexible charging mode is showed；(f.) charging environmental monitoring and corresponding protected mode are realized.
Detailed description of the invention
Only illustratively description and explain the present invention for the following drawings, not delimit the scope of the invention.
Fig. 1 is the structure chart according to the charging system of low-speed electronic vehicle lithium ion battery of the present invention.
Fig. 2 is the structure chart according to the concentration charge control system of low-speed electronic vehicle lithium ion battery of the present invention.
Fig. 3 is to be tied according to the exemplary of charging system of the low-speed electronic vehicle lithium ion battery of first embodiment of the invention
Composition.
Fig. 4 is to be tied according to the exemplary of charging system of the low-speed electronic vehicle lithium ion battery of second embodiment of the invention
Composition.
Fig. 5 is the flow chart according to the charging method of low-speed electronic vehicle lithium ion battery of the present invention.
Specific embodiment
In order to which the technical features, objects and effects of invention are more clearly understood, the Detailed description of the invention present invention is now compareed
Specific embodiment, identical label indicates identical part in the various figures.
It is succinct and intuitive in order to what is described, hereafter by describing several representative embodiments come to side of the invention
Case is illustrated.A large amount of details is only used for helping to understand the solution of the present invention in embodiment.However, it will be apparent that of the invention
Technical solution can be not limited to these details when realizing.In order to avoid unnecessarily having obscured the solution of the present invention, Yi Xieshi
It applies mode not described meticulously, but only gives frame.Hereinafter, " comprising " refers to " including but not limited to ", " root
According to ... " refer to " according at least to ..., but be not limited to according only to ... ".Due to the speech habits of Chinese, hereinafter without spy
When not pointing out the quantity of an ingredient, it is meant that the ingredient is either one or more, or can be regarded as at least one.
The concentration charging that embodiment of the present invention can solve low-speed electronic vehicle lithium-ion battery systems (for example, 48V) is asked
Topic.48V battery is normally applied low-speed electronic vehicle, such as sanitation cart, express delivery vehicle, electric bicycle etc..These low-speed electronic vehicles fortune
After row certain time (such as one day), many battery packs, which are brought together, to charge, and requires reasonable technology hand at this time
The protection of Duan Jinhang charging process, especially unattended charging place are more urgent to charge protection demand.
Moreover, embodiment of the present invention can also be realized the current information remote transmission of battery subsystem to backstage, side
Just observation in real time；And charging unit is concentrated to integrate multiple charging interfaces, multiple battery subsystems may be implemented and concentrate charging.
In addition, embodiment of the present invention also sets up the fault thresholds such as excess temperature, over-voltage, overcurrent, remote alarms are realized, user can pass through
Remote interface carries out charging process control, controls interruption/trickle charge operation as desired.
Fig. 1 is the structure chart according to the charging system of low-speed electronic vehicle lithium ion battery of the present invention.
As shown in Figure 1, the charging system of low-speed electronic vehicle lithium ion battery, comprising:
Battery subsystem 100 includes low-speed electronic vehicle lithium ion battery 101 and battery management system 102；Wherein cell tube
Reason system 102 is used to acquire the parameter value (for example, battery temperature, cell voltage etc.) of low-speed electronic vehicle lithium ion battery 101,
And the major loop of low-speed electronic vehicle lithium ion battery 101 is cut off when breaking down based on parameter value is determining；
Charging unit 200 is concentrated, for concentrating charging for low-speed electronic vehicle lithium ion battery 101；
Wherein concentrating charging unit 200 includes remote monitoring module 201, for receiving parameter from battery management system 102
Value, and send parameter value (for example, being sent to positioned at long-range server).
In one embodiment, battery management system 102 acquires the parameter value of low-speed electronic vehicle lithium ion battery 101
(parameter value can be one or more), and when based on parameter value any one or more determine there is single battery to break down when cut off it is low
The major loop of fast electric vehicle lithium ion battery 101.
Preferably, wherein parameter value includes at least one of following: the temperature of single battery；The voltage of single battery；
The total voltage, etc. of low-speed electronic vehicle lithium ion battery.Wherein, the total voltage of low-speed electronic vehicle lithium ion battery can be each
The voltage of single battery and.
The above demonstration elaborates the representative instance of parameter value, it will be appreciated by those of skill in the art that this description is only
Be it is exemplary, be not intended to limit the present invention the protection scope of embodiment.
In one embodiment, the number of battery subsystem is n, and the number of low-speed electronic vehicle lithium ion battery is n
It is a；Concentrating charging unit 200 includes n lithium battery charger and a power conversion module, and wherein n is positive integer；Wherein: every
A lithium battery charger is used to charge to corresponding low-speed electronic vehicle lithium ion battery；Power conversion module, for being supervised to be long-range
Respective battery management system power supply in module 201 and n battery subsystem is controlled, i.e., for being remote monitoring module 201 and n
All n battery management systems power supply in battery subsystem.
It, can be to being located at long-range service after remote monitoring module 201 receives parameter value from battery management system 102
Device persistently sends parameter value.Data can be shown on server, are observed and are analyzed convenient for staff.Therefore, Yong Huke
To understand the field conditions of charging subsystem in time by server, user is not necessarily to appear in the scene of charging subsystem.
Fig. 2 is the structure chart according to the concentration charge control system of low-speed electronic vehicle lithium ion battery of the present invention.
As shown in Fig. 2, the concentration charge control system of low-speed electronic vehicle lithium ion battery includes:
Multiple battery subsystems 100 (one is only illustrated in Fig. 2)；Each battery subsystem 100 includes low-speed electronic vehicle
Lithium ion battery 101 and battery management system 102, wherein battery management system 102 is for acquiring low-speed electronic vehicle lithium-ion electric
The parameter value in pond 101；
Charging unit 200 is concentrated, for each low-speed electronic vehicle lithium ion battery 101 for multiple battery subsystems 100
Concentrate charging；Wherein concentrating charging unit 200 further includes remote monitoring module 201, for from each of multiple battery subsystems 100
A battery management system 102 obtains parameters value respectively, and sending includes parameters value and corresponding battery subsystem
The reporting message of mark；
Server 300, for receiving reporting message, and work as has battery subsystem to break down based on the determination of parameters value
When, the first charging comprising fail battery subsystem identification, which is sent, to remote monitoring module 201 ceases and desist order；
Wherein the first charging is ceased and desisted order and is sent to corresponding to fail battery subsystem identification by remote monitoring module 201
Battery management system, the battery management system corresponding to fail battery subsystem identification are based on the first charging stopping of ceasing and desisting order and fill
Electricity.
Preferably, battery management system 102 is used to acquire the parameter value of low-speed electronic vehicle lithium ion battery 101, and works as base
The major loop of low-speed electronic vehicle lithium ion battery 101 is cut off when parameter value is determined and broken down；In one embodiment, electric
Pond management system 102 acquires the parameter value (parameter value can be one or more) of low-speed electronic vehicle lithium ion battery 101, and works as base
The master of cutting low-speed electronic vehicle lithium ion battery 101 returns when parameter value any one or more, which determines, has single battery to break down
Road.
As it can be seen that the present invention realizes battery management system and server is directed to the duplicate protection of failure, that is, realizes and filling
The local and remote failure cutting function in electric side, to improve safety.
Specifically, remote monitoring module 201 obtains respectively from each battery management system 102 of multiple battery subsystems 100
Parameters value is taken, and sends the reporting message identified comprising parameters value and corresponding battery subsystem.
Herein, the meaning of corresponding battery subsystem mark are as follows: provide belonging to the battery management system of parameter value
The mark of battery subsystem.
Such as, it is assumed that some battery subsystem is identified as A, and the battery management system of battery subsystem A is detected
Parameter value is B, then the mark (A) of the battery subsystem is carried to by remote monitoring module together with corresponding parameter value (B)
It reports in message, and sends server 300 for reporting message.
For another example, it is assumed that some battery subsystem is identified as D, and the battery management system of battery subsystem A is detected
Parameter value be E, then remote monitoring module 201 carries the mark (D) of the battery subsystem with corresponding parameter value (E) together
Server 300 is sent into reporting message, and by reporting message.
Remote monitoring module 201 can summarize the mark of all battery subsystems and its corresponding parameter value on one
Report message is sent to remote server 300.
Server 300 receives reporting message, and when being determined based on parameters value has battery subsystem to break down, to
Remote monitoring module 201 sends the first charging comprising fail battery subsystem identification and ceases and desist order.It is assumed that in the server 300
Settable fault threshold includes: over-voltage (for example, being greater than 4.12V), under-voltage (for example, being lower than 2.75V), high temperature are (for example, be greater than
45 DEG C), low temperature (for example, be lower than 0 DEG C), overcurrent (for example, being higher than 1C) etc..Over-voltage and under-voltage refer to ternary lithium-ion battery monomer
Overtension and too low；High temperature and low temperature refer to that ternary lithium ion battery body temperature is excessively high and too low；Overcurrent refers to charging electricity
Flow through height.When over-voltage, since battery overcharges risk, it cannot continue to charge.It, cannot since battery has overheat risk when high temperature
Continue to charge.When low temperature, since battery has analysis lithium risk, it cannot continue to charge.When overcurrent, thermal runaway or battery longevity may cause
Life reduces, and cannot continue to charge.
Such as, it is assumed that server 300 receives battery management in mark A and battery subsystem A comprising battery subsystem
System parameter value B collected, battery subsystem mark D and battery subsystem D in battery management system parameter collected
The reporting message of value E, server 300 finds that there are the situations of single battery over-voltage in parameter value E, and is not present in parameter value B
Failure, then server 300 sends the first charging comprising fail battery subsystem identification (i.e. D) to remote monitoring module 201 and stops
It only orders, and does not send the first charging comprising battery subsystem mark (i.e. A) to remote monitoring module 201 and cease and desist order.
Remote monitoring module 201 ceases and desist order the first charging the battery management system being sent to corresponding to fail battery subsystem identification
(i.e. battery management system in battery subsystem D, battery management system (battery corresponding to fail battery subsystem identification
Battery management system in system D) being ceased and desisted order based on the first charging stops charging, that is, stop being that battery subsystem D charges.Together
When, battery subsystem A continues to be electrically charged.
Server 300 and remote monitoring module 201 can have wired connection or wireless connection.For example, wireless connection side
Formula can specifically include wireless network (wifi), 3G (Third Generation) Moblie (3g) mode, forth generation mobile communication (4g) mode,
Five third-generation mobile communications (5g) mode or bluetooth, etc..Wired connection mode can specifically include optical fiber, coaxial cable, telephone wire
Or the connection types such as cable.
The above demonstration describes the representative instance of radio connection and wired connection mode, and those skilled in the art can
To be not intended to limit the present invention the protection scope of embodiment, it is realized that this description is only exemplary.
In one embodiment, the system further include:
Accounting server 400 is obtained for saving the prepayment information of each battery subsystem from concentration charging unit 200
The charge parameter for taking each battery subsystem calculates the charge information of each battery subsystem based on charge parameter, is based on charging
The comparison result of information and prepayment information determines the mark of Sorry, your ticket has not enough value battery subsystem；
Server 300 is also used to send the of the mark comprising Sorry, your ticket has not enough value battery subsystem to remote monitoring module 201
Two chargings are ceased and desisted order；
Wherein the second charging is ceased and desisted order to be sent to by remote monitoring module 201 corresponds to Sorry, your ticket has not enough value battery subsystem
The battery management system of mark, the battery management system of the mark corresponding to Sorry, your ticket has not enough value battery subsystem are based on the second charging and stop
Only order stops charging.
As it can be seen that in this embodiment, powered operation is cut off by the battery management system of Sorry, your ticket has not enough value battery subsystem,
The complexity of charging realization can be reduced.
In one embodiment, the system further include:
Accounting server 400, for saving the prepayment information of each battery subsystem, from the concentration charging unit
200 obtain the charge parameter of each battery subsystem, and the charge information of each battery subsystem is calculated based on the charge parameter,
Based on the mark of the comparison result battery subsystem that determines that Sorry, your ticket has not enough value of the charge information and the prepayment information；
Server 300 is also used to send the mark comprising Sorry, your ticket has not enough value battery subsystem to the remote monitoring module 201
Second charging cease and desist order；
Wherein the concentration charging unit 200 be based on it is described second charging cease and desist order stopping for corresponding to the remaining sum not
Sufficient battery subsystem charging.
As it can be seen that in this embodiment, grasped by the power supply of the cutting of concentration charging unit 200 Sorry, your ticket has not enough value battery subsystem
Make, it is ensured that realize and force power-off.
Wherein, the charge parameter of battery subsystem may include charging time, charging current value, charging price etc..
In one embodiment, the system further include:
Environmental detection sensor, for detecting the ring for accommodating the space of multiple battery subsystems and concentration charging unit 200
Environmental parameter is uploaded onto the server 300 by border parameter；
Wherein server 300 are also used to when environmental parameter meets scheduled emergency condition, to remote monitoring module
201 send emergent stopping charge command；Wherein remote monitoring module 201 sends emergent stopping charge command on whole batteries
Management system 102, whole battery management systems 102 are based on emergent stopping charge command and stop charging.
For example, environmental detection sensor may be embodied as fire alarm sensor or illegal invasion detection sensor etc..
Wherein, user is it is possible that the demand that following long-range stopping is charged: 1. expenses are insufficient；2. needing using battery；
3. error protection measure is failed；4. all special circumstances of charging field, such as fire.Moreover, user is it is possible that following long-range
The demand started to charge: after 1. have a power failure and continue to power；2. using comparatively cheap step price；3. mending electricity, etc. in short-term.
Based on foregoing description, Fig. 3 is the charging according to the low-speed electronic vehicle lithium ion battery of first embodiment of the invention
The demonstrative structure figure of system.In Fig. 3, fast electric vehicle lithium ion battery is illustrated by taking 48V lithium battery as an example.
As shown in figure 3, charging system includes concentrating charging unit and battery subsystem.The number of battery subsystem can be
Multiple, exemplary diagram shows a battery subsystem in Fig. 3.
The battery subsystem includes 13 string lithium ion batteries (by taking ternary lithium battery as an example), normally closed relay and a battery
Management system (BMS).Wherein this 13 string lithium ion battery (specially 0~single battery of single battery 12) by forming in series and parallel
48V lithium battery battery pack, battery management system acquire the voltage of all single string of batteries and temperature and carry out breakdown judge, work as failure
(such as excess temperature, over-voltage, high temperature, low temperature) cuts off major loop by relay when generation, to avoid this 13 string lithium ion battery
Excess temperature and low temperature occurs the danger such as to charge, overcharge.
Concentrating charging unit to include 5 has mutually isostructural 48V lithium battery dedicated charger, a power conversion module
With a remote monitoring module (T-box).Therefore, concentrate charging unit that can provide concentration charging for 5 battery subsystems.
48V lithium battery dedicated charger is used to charge to the battery of given voltage range, and charging current can generally guarantee
It is completely filled with that (for example, the battery pack of 20AH, charging current is about 10A, and the charging time is about two small within two hours
When).It itself include overcurrent, over-voltage, excess temperature, short-circuit protection circuit in 48V lithium battery dedicated charger, thus in charger side reality
Existing error protection.
220V AC voltage can be converted to 12V DC voltage by power supply conversion (DC-> AC) module, be battery subsystem
In battery management system and remote monitoring module power supply.Remote monitoring module can receive battery management system by CAN bus
Simultaneously remote transmission monitors charging process for remote terminal to backstage to the information such as voltage, the temperature of system acquisition, avoids generation battery leakage
Liquid, on fire and explosion danger.
By taking 48V lithium battery charger 1 as an example, illustrate the connection relationship between each electronic component.
The L and N-terminal of 48V lithium battery charger 1 are separately connected the L and N-terminal of external power supply, to obtain from external power supply
Electric power.The electric current that 48V lithium battery charger 1 provides external power supply is converted to 48V direct current, and passes through 48V+ and 48V- terminal
48V direct current is provided to the lithium ion battery in corresponding battery subsystem, for lithium ion battery charging.Battery subsystem
The battery management system of system is via CANH and CANL terminal and concentrates CANH the and CANL terminal in charging equipment and long-range monitoring
Module connection, to remote monitoring module send parameter value collected by CAN bus, (for example voltage, temperature etc. are believed
Breath).
When practical operation, by charging unit in 220V AC power source (L and N) access set, the access of several battery subsystems
Concentrate charging unit.After corresponding 48V, 12V, CAN bus are connected, charging operations are immediately begun to.Battery management system is real-time
Monitoring battery data simultaneously makes troubleshooting measure, and remote monitoring module constantly sends current data to terminal.When each battery
After subsystem charging complete, whole chargers is automatically stopped charging.
When the number of battery subsystem is multiple, it includes parameters value and phase that remote monitoring module is sent to server
The reporting message of corresponding battery subsystem mark.Server is determined for receiving reporting message, and when based on parameters value
When having battery subsystem to break down, Xiang Suoshu remote monitoring module sends the first charging comprising fail battery subsystem identification
It ceases and desist order.Remote monitoring module ceases and desist order the first charging the electricity being sent to corresponding to the fail battery subsystem identification
Pond management system, the battery management system corresponding to the fail battery subsystem identification are based on first charging and cease and desist order
Stop charging.
Fig. 4 is to be tied according to the exemplary of charging system of the low-speed electronic vehicle lithium ion battery of second embodiment of the invention
Composition.
In Fig. 4, fast electric vehicle lithium ion battery is illustrated by taking 48V lithium battery as an example.
As shown in figure 4, charging system includes concentrating charging unit and battery subsystem.The number of battery subsystem can be
Multiple, exemplary diagram shows a battery subsystem in Fig. 4.
The battery subsystem includes 13 string lithium ion batteries (by taking ternary lithium battery as an example), normally closed relay and two batteries
Management system (respectively BMS1 and BMS2).Wherein this 13 string lithium ion battery (specially 0~single battery of single battery 12)
Pass through series connection or series-parallel formation 48V battery pack.The voltage and temperature of BMS1 acquisition 0~single battery of single battery 6 simultaneously carry out
Breakdown judge, (such as excess temperature, over-voltage, high temperature, low temperature) cuts off major loop by relay when failure occurs, to avoid monomer
0~single battery of battery 6 occurs excess temperature and low temperature and the danger such as charges, overcharges.BMS2 acquires 7~single battery of single battery 12
Voltage and temperature simultaneously carry out breakdown judge, and (such as excess temperature, over-voltage, high temperature, low temperature) is cut off by relay and led when failure occurs
Circuit the danger such as is charged, overcharges to avoid 7~single battery of single battery 12 that excess temperature and low temperature occurs.
Concentrating charging unit includes multiple with mutually isostructural 48V lithium battery dedicated charger, a power supply modulus of conversion
Block and a remote monitoring module (T-box).
48V lithium battery dedicated charger is used to charge to the battery of given voltage range, and charging current can generally guarantee
It is completely filled with that (for example, the battery pack of 20AH, charging current is about 10A, and the charging time is about two small within two hours
When), itself has overcurrent, over-voltage, excess temperature, short circuit protection measures.
220V AC voltage can be converted to 12V DC voltage by power conversion module, be BMS1 and BMS2 and long-range prison
Control module for power supply.Remote monitoring module can be received by CAN bus from information such as BMS1 and BMS2 voltage, the temperature acquired simultaneously
Remote transmission monitors charging process to backstage, for remote terminal, avoids that battery leakage, on fire and explosion danger occurs.
By taking 48V lithium battery charger 1 as an example, illustrate the connection relationship between each electronic component.
The L and N-terminal of 48V lithium battery charger 1 are separately connected the L and N-terminal of external power supply, to obtain from external power supply
Electric power.The electric current that 48V lithium battery charger 1 provides external power supply is converted to 48V direct current, and passes through 48V+ and 48V- terminal
48V direct current is provided to the lithium ion battery in corresponding battery subsystem, for lithium ion battery charging.Battery subsystem
The BMS1 and BMS2 of system via respective CANH and CANL terminal and concentrate the respective CANH and CANL in charging equipment respectively
Terminal is connect with remote monitoring module, to be acquired respectively by CAN bus independent to remote monitoring module transmission
The information such as voltage, temperature, and receive operational order from remote monitoring module via CAN bus independent.
When practical operation, by charging unit in 220V AC power source (L and N) access set, the access of several battery subsystems
Concentrate charging unit.After corresponding 48V, 12V, CAN bus are connected, charging operations are immediately begun to.BMS1 and BMS2 are supervised in real time
Control battery data simultaneously makes troubleshooting measure, and remote monitoring module constantly sends current data to terminal.When each battery
After system charging complete, whole chargers is automatically stopped charging.
When the number of battery subsystem is multiple, it includes parameters value and phase that remote monitoring module is sent to server
The reporting message of corresponding battery subsystem mark.Server is determined for receiving reporting message, and when based on parameters value
When having battery subsystem to break down, Xiang Suoshu remote monitoring module sends the first charging comprising fail battery subsystem identification
It ceases and desist order.Remote monitoring module ceases and desist order the first charging the electricity being sent to corresponding to the fail battery subsystem identification
Pond management system, the battery management system corresponding to the fail battery subsystem identification are based on first charging and cease and desist order
Stop charging.
Based on foregoing description, embodiment of the present invention also proposed a kind of concentration charging of low-speed electronic vehicle lithium ion battery
Control method.
Fig. 5 is the flow chart according to the concentration charge control method of low-speed electronic vehicle lithium ion battery of the present invention.This method
Suitable for the concentration charge control system of low-speed electronic vehicle lithium ion battery, the concentration charge control system includes: multiple electricity
Pond system；Each battery subsystem includes low-speed electronic vehicle lithium ion battery and battery management system；Including remotely monitoring mould
The concentration charging unit of block；Server.
As shown in figure 5, this method comprises:
Step 501: each battery management system of multiple battery subsystems acquires each low-speed electronic vehicle lithium ion respectively
The parameter value of battery.
Step 502: each low-speed electronic vehicle lithium ion battery concentration that charging unit is multiple battery subsystems being concentrated to fill
Electricity, remote monitoring module obtains parameters value from each battery management system of multiple battery subsystems respectively, and sends packet
The reporting message of value containing parameters and corresponding battery subsystem mark.
Step 503: server receives reporting message, and work as has battery subsystem to break down based on the determination of parameters value
When, the first charging comprising fail battery subsystem identification, which is sent, to remote monitoring module ceases and desist order.
Step 504: the first charging is ceased and desisted order and is sent to corresponding to fail battery subsystem identification by remote monitoring module
Battery management system, the battery management system corresponding to fail battery subsystem identification is based on the first charging and ceases and desist order stopping
Charging.
Wherein, battery management system acquires the parameter value of low-speed electronic vehicle lithium ion battery in real time, and ought be at any time
When breaking down based on parameter value is determining, the major loop of low-speed electronic vehicle lithium ion battery can be cut off at any time.
In one embodiment, the number of battery management system is multiple, and each battery management system corresponds to low speed
Predetermined number single battery in electric vehicle lithium ion battery.
In one embodiment, the number of battery subsystem is n, and the number of low-speed electronic vehicle lithium ion battery is n
It is a；Concentrating charging unit includes n lithium battery charger and power conversion module, and n is positive integer；It is multiple for concentrating charging unit
It includes: each lithium battery charger to corresponding low speed that each low-speed electronic vehicle lithium ion battery of battery subsystem, which concentrates charging,
The charging of electric vehicle lithium ion battery, power conversion module are respective cell tube in remote monitoring module and n battery subsystem
Manage system power supply.
In one embodiment, this method further include: accounting server saves the pre-payment letter of each battery subsystem
Breath calculates each battery subsystem based on charge parameter from the charge parameter for concentrating charging unit to obtain each battery subsystem
Charge information, the mark of Sorry, your ticket has not enough value battery subsystem is determined based on the comparison result of charge information and prepayment information；Clothes
Business device is also ceased and desisted order to the second charging that remote monitoring module sends the mark comprising Sorry, your ticket has not enough value battery subsystem；Concentration is filled
Electric installation is based on the second charging and ceases and desist order stopping as battery subsystem charges corresponding to Sorry, your ticket has not enough value.
In one embodiment, this method further include: accounting server saves the pre-payment letter of each battery subsystem
Breath calculates each battery subsystem based on charge parameter from the charge parameter for concentrating charging unit to obtain each battery subsystem
Charge information, the mark of Sorry, your ticket has not enough value battery subsystem is determined based on the comparison result of charge information and prepayment information；Clothes
Business device is also ceased and desisted order to the second charging that remote monitoring module sends the mark comprising Sorry, your ticket has not enough value battery subsystem；Concentration is filled
Electric installation is based on second charging and ceases and desist order stopping as corresponding to Sorry, your ticket has not enough value the battery subsystem charging.
In one embodiment, this method further include: environmental detection sensor detection accommodate multiple battery subsystems and
The environmental parameter for concentrating the space of charging unit, environmental parameter is uploaded onto the server；Server is also when environmental parameter meets in advance
When fixed emergency condition, emergent stopping charge command is sent to remote monitoring module；Remote monitoring module is by emergent stopping
Charge command is sent to whole battery management systems, and whole battery management systems is based on the stopping of emergent stopping charge command and fills
Electricity.
Embodiment of the present invention also proposed a kind of low-speed electronic vehicle, which includes battery subsystem, described
Battery subsystem includes the low-speed electronic vehicle lithium ion battery and battery management system: the low-speed electronic vehicle lithium-ion electric
Pond, for obtaining electricity from the corresponding lithium battery charger concentrated in charging unit comprising multiple lithium battery chargers
Power；Battery management system sends parameter value, and when based on parameter for acquiring the parameter value of low-speed electronic vehicle lithium ion battery
The major loop of low-speed electronic vehicle lithium ion battery is cut off in value determination when breaking down.
Wherein, low-speed electronic vehicle specifically can be implemented are as follows: electric bicycle, battery-operated motor cycle, electro-tricycle or low speed
Electric car, etc..
In conclusion in embodiments of the present invention, multiple battery subsystems；Each battery subsystem includes low-speed electronic
Vehicle lithium ion battery and battery management system (BMS), wherein BMS is used to acquire the parameter value of low-speed electronic vehicle lithium ion battery；
Charging unit is concentrated, for concentrating charging for each low-speed electronic vehicle lithium ion battery of multiple battery subsystems；Wherein concentrate
Charging unit further includes remote monitoring module, for obtaining parameters value respectively from each BMS of multiple battery subsystems, and
Send the reporting message identified comprising parameters value and corresponding battery subsystem；Server, for receiving reporting message,
And when being determined based on parameters value has battery subsystem to break down, send to remote monitoring module comprising fail battery
First charging of system banner is ceased and desisted order.The present invention realizes long-range charge control and corresponding charging.
Therefore, embodiment of the present invention at least has the advantage that
(a.) lithium ion battery management is to monomer (voltage and temperature that monitor all batteries)；(b.) charging process realizes nothing
People is on duty, remote terminal monitoring；(c.) failure duplicate protection measure (charger and relay)；(d.) multiple battery subsystems can
To charge simultaneously, the advantage of scale is obvious, is suitable for concentrating operation；(e.) flexible charging mode is realized；(f.) charging is realized
Environmental monitoring and corresponding protected mode.
The series of detailed descriptions listed above only for feasible embodiment of the invention specifically
Protection scope that is bright, and being not intended to limit the invention, it is all without departing from equivalent embodiments made by technical spirit of the present invention or
Change, such as the combination, segmentation or repetition of feature, should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of concentration charge control system of low-speed electronic vehicle lithium ion battery characterized by comprising
Multiple battery subsystems；Each battery subsystem includes low-speed electronic vehicle lithium ion battery and battery management system, wherein
The battery management system is used to acquire the parameter value of the low-speed electronic vehicle lithium ion battery；
Charging unit is concentrated, for concentrating charging for each low-speed electronic vehicle lithium ion battery of the multiple battery subsystem；
Wherein the concentration charging unit further includes remote monitoring module, for each battery management from the multiple battery subsystem
System obtains parameters value respectively, and sends and disappear comprising parameters value and reporting for corresponding battery subsystem mark
Breath；
Server has battery subsystem generation event for receiving the reporting message, and when determining based on the parameters value
When barrier, Xiang Suoshu remote monitoring module sends the first charging comprising fail battery subsystem identification and ceases and desist order；
Wherein first charging is ceased and desisted order and is sent to corresponding to the fail battery subsystem by the remote monitoring module
The battery management system of mark, the battery management system corresponding to the fail battery subsystem identification are based on first charging
Stopping of ceasing and desisting order is charged.
2. the concentration charge control system of low-speed electronic vehicle lithium ion battery according to claim 1, which is characterized in that
The number of the battery subsystem is n, and the number of the low-speed electronic vehicle lithium ion battery is n；The concentration is filled
Electric installation includes n lithium battery charger and power conversion module, and n is positive integer；Wherein:
Each lithium battery charger, for charging to corresponding low-speed electronic vehicle lithium ion battery；
Power conversion module, for being respective battery management system in the remote monitoring module and the n battery subsystem
System power supply.
3. the concentration charge control system of low-speed electronic vehicle lithium ion battery according to claim 1, which is characterized in that also
Include:
Accounting server obtains each for saving the prepayment information of each battery subsystem from the concentration charging unit
The charge parameter of battery subsystem calculates the charge information of each battery subsystem based on the charge parameter, based on described
The mark for battery subsystem that the comparison result of charge information and the prepayment information determines that Sorry, your ticket has not enough value；
Server is also used to send the second charging of the mark comprising Sorry, your ticket has not enough value battery subsystem to the remote monitoring module
It ceases and desist order；
Wherein the remote monitoring module, which ceases and desist order second charging to be sent to, corresponds to Sorry, your ticket has not enough value battery
The battery management system of the battery management system of the mark of system, the mark corresponding to Sorry, your ticket has not enough value the battery subsystem is based on
Second charging, which is ceased and desisted order, stops charging.
4. the concentration charge control system of low-speed electronic vehicle lithium ion battery according to claim 1, which is characterized in that also
Include:
Accounting server obtains each for saving the prepayment information of each battery subsystem from the concentration charging unit
The charge parameter of battery subsystem calculates the charge information of each battery subsystem based on the charge parameter, based on described
The mark for battery subsystem that the comparison result of charge information and the prepayment information determines that Sorry, your ticket has not enough value；
Server is also used to send the second charging of the mark comprising Sorry, your ticket has not enough value battery subsystem to the remote monitoring module
It ceases and desist order；
Wherein the concentration charging unit is based on second charging and ceases and desist order stopping as corresponding to Sorry, your ticket has not enough value the battery
Subsystem charging.
5. the concentration charge control system of low-speed electronic vehicle lithium ion battery according to claim 1, which is characterized in that also
Include:
Environmental detection sensor, for detecting the ring for accommodating the multiple battery subsystem and the space for concentrating charging unit
The environmental parameter is uploaded to the server by border parameter；
The wherein server is also used to when the environmental parameter meets scheduled emergency condition, to the long-range prison
It controls module and sends emergent stopping charge command；Wherein the remote monitoring module sends the emergent stopping charge command to entirely
The battery management system in portion, whole battery management systems are based on the emergent stopping charge command and stop charging.
6. a kind of concentration charge control method of low-speed electronic vehicle lithium ion battery, which is characterized in that this method is suitable for low speed
The concentration charge control system of electric vehicle lithium ion battery, the concentration charge control system includes: multiple battery subsystems；Often
A battery subsystem includes low-speed electronic vehicle lithium ion battery and battery management system；Concentration charging including remote monitoring module
Device；Server；This method comprises:
Each battery management system of multiple battery subsystems acquires the parameter value of each low-speed electronic vehicle lithium ion battery respectively；
Each low-speed electronic vehicle lithium ion battery that charging unit is the multiple battery subsystem is concentrated to concentrate charging, it is long-range to supervise
Control module obtains parameters value from each battery management system of the multiple battery subsystem respectively, and sends comprising each
The reporting message of parameter value and corresponding battery subsystem mark；
Server receives the reporting message, and when being determined based on the parameters value has battery subsystem to break down,
The first charging comprising fail battery subsystem identification is sent to the remote monitoring module to cease and desist order；
First charging is ceased and desisted order and is sent to corresponding to the fail battery subsystem identification by the remote monitoring module
Battery management system, corresponding to the fail battery subsystem identification battery management system be based on it is described first charging stop
Order stops charging.
7. the concentration charge control method of low-speed electronic vehicle lithium ion battery according to claim 6, which is characterized in that
The number of the battery subsystem is n, and the number of the low-speed electronic vehicle lithium ion battery is n；The concentration is filled
Electric installation includes n lithium battery charger and power conversion module, and n is positive integer；
Each low-speed electronic vehicle lithium ion battery that charging unit is the multiple battery subsystem is wherein concentrated to concentrate charging packet
It includes:
Each lithium battery charger charges to corresponding low-speed electronic vehicle lithium ion battery, and power conversion module is the long-range prison
Control respective battery management system power supply in module and the n battery subsystem.
8. the concentration charge control method of low-speed electronic vehicle lithium ion battery according to claim 6, which is characterized in that should
Method further include:
Accounting server saves the prepayment information of each battery subsystem, obtains each battery from the concentration charging unit
The charge parameter of system calculates the charge information of each battery subsystem based on the charge parameter, is based on the charge information
With the mark of the comparison result of the prepayment information battery subsystem that determines that Sorry, your ticket has not enough value；
Server also stops to the second charging that the remote monitoring module sends the mark comprising Sorry, your ticket has not enough value battery subsystem
Order；
The concentration charging unit is based on second charging and ceases and desist order stopping as corresponding to Sorry, your ticket has not enough value the battery subsystem
System charging.
9. the concentration charge control method of low-speed electronic vehicle lithium ion battery according to claim 6, which is characterized in that should
Method further include:
Accounting server saves the prepayment information of each battery subsystem, obtains each battery from the concentration charging unit
The charge parameter of system calculates the charge information of each battery subsystem based on the charge parameter, is based on the charge information
With the mark of the comparison result of the prepayment information battery subsystem that determines that Sorry, your ticket has not enough value；
Server also stops to the second charging that the remote monitoring module sends the mark comprising Sorry, your ticket has not enough value battery subsystem
Order；
The concentration charging unit is based on second charging and ceases and desist order stopping as corresponding to Sorry, your ticket has not enough value the battery subsystem
System charging.
10. the concentration charge control method of low-speed electronic vehicle lithium ion battery according to claim 6, which is characterized in that
This method further include:
Environmental detection sensor detection accommodates the environment ginseng in the multiple battery subsystem and the space for concentrating charging unit
Number, uploads to the server for the environmental parameter；
Also when the environmental parameter meets scheduled emergency condition, Xiang Suoshu remote monitoring module is sent the server
Emergent stopping charge command；
The emergent stopping charge command is sent whole battery management systems, whole batteries by the remote monitoring module
Management system is based on the emergent stopping charge command and stops charging.
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