CN109638914A - Intelligent control method is used in a kind of charging of battery - Google Patents
Intelligent control method is used in a kind of charging of battery Download PDFInfo
- Publication number
- CN109638914A CN109638914A CN201811570535.7A CN201811570535A CN109638914A CN 109638914 A CN109638914 A CN 109638914A CN 201811570535 A CN201811570535 A CN 201811570535A CN 109638914 A CN109638914 A CN 109638914A
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- Prior art keywords
- battery
- charger
- heartbeat
- intelligent control
- control method
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/0071—Regulation of charging or discharging current or voltage with a programmable schedule
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of battery charging intelligent control method, comprising: S1, charger send query information；S2, battery are electrically connected with charger, battery receptacle to query information；S3, battery return to battery information；S4, charger and battery are mutually authenticated, and execute S5 if authenticating successfully, so that charger is returned to S1 if authentification failure battery sends failure signal to charger, charger receives re-authentication after failure signal；S5, battery send charging authorization to charger, and charger starts to charge the battery；S6, charger send heartbeat instruction to battery, execute S71 if battery receptacle heartbeat instruction has not timed out, if battery receptacle heartbeat instruction time-out executes S72；S71, battery are responded to charger feedback heartbeat, if charger receives heartbeat, response is had not timed out, and charger sends heartbeat instruction to battery again, if charger receives heartbeat response timeout, and return to S1；S72, battery charge closing authorization.The present invention can effectively improve the safety of charging process.
Description
Technical field
The present invention relates to lithium battery charging technique field, intelligent control method is used in specifically a kind of battery charging.
Background technique
For electric bicycle, because indoor charging takes place frequently, fire, more ground government have begun requirement and prohibit battery-operated motor cycle
It only charges indoors, future, which is also possible to requirement, to charge in designated place.
It in the prior art, is without certification or unilateral authentication mostly between charger and battery, i.e. battery connects charger
Charger first authenticates the legitimacy of battery after charger plug-in later or battery connection charger, and certification is by again
Charging.Both modes all exist clearly disadvantageous, and in the case where no certification, charger and battery are probably because electrical
Parameter mismatch causes battery damage, in the case where unilateral authentication, if charger itself failure occurs and can not be successfully
At certification, battery damage is also easily lead to.If battery damage seriously occurs on fire, it is easy to cause unnecessary personnel's wealth
Produce loss.
Summary of the invention
In order to solve deficiency in the prior art, the present invention provides a kind of battery charging intelligent control method, Neng Gouyou
Effect improves the safety of charging process.
To achieve the goals above, the present invention use the specific scheme is that a kind of battery charging intelligent control method, fills
Electric appliance is electrically connected with main communications line, and battery is electrically connected with from communication line, and the intelligent control method includes the following steps:
S1, the charger send query information by the main communications line；
It is connected to described in when S2, the battery are electrically connected with the charger from communication line with the main communications line, institute
Battery receptacle is stated to the query information；
S3, the battery return to battery information, and the charger receives the battery information；
S4, the charger and the battery are mutually authenticated, and execute S5 if authenticating successfully, if the authentification failure electricity
Pond, which sends failure signal to the charger, makes the charger return to S1, and the charger receives weight after the failure signal
New certification；
S5, the battery send charging authorization to the charger, and the charger starts to charge to the battery；
S6, the charger send heartbeat instruction to the battery, if the instruction of heartbeat described in the battery receptacle has not timed out
S71 is then executed, executes S72 if the instruction time-out of the heartbeat described in the battery receptacle；
S71, the battery are responded to charger feedback heartbeat, if the charger receives the heartbeat response and do not surpass
When, then the charger sends the heartbeat instruction to the battery again, surpasses if the charger receives the heartbeat and responds
When, then determine the battery failures and returns to S1；
S72, the battery charge closing authorization, and the charger stops power supply.
In S1, query information described in the charger periodicity sending.
In S2, if after the battery is connect with the charger, the battery is not received after it have passed through waiting time threshold value
To the query messages, then the battery forbids the charger to charge.
In S3, the battery information includes battery unique identifier and cell voltage, and the battery information is by adding
Close, encryption method is CRC check method, parity check method or AES encryption method.
In S4, the specific method that the charger is mutually authenticated with the battery includes:
S4.1, the battery send random agreement code to the charger；
S4.2, the charger are encrypted to obtain cryptographic protocol code to the random agreement code, and by the encryption
Agreement code is sent to the battery；
S4.3, the battery decrypt the cryptographic protocol code and obtain decryption protocol code, and examine the decryption protocol code
With the consistency of the random agreement code, authenticated if the decryption protocol code is consistent with the random agreement code successfully and to
The charger sends authentication success message, to the battery if the decryption protocol code and the random agreement code are inconsistent
Send authentication failure message.
In S4.3, the battery executes S4.3 after sending authentication failure message to the charger again, until transmission
The authentication failure message quantity freezes 60s more than the battery after critical value.
The random agreement code is set as the character string that length is ten.
The heartbeat instruction and heartbeat response are made of five 16 binary digits.
The heartbeat instruction is FF AA C0 AA FF, and it is FF AA D0 AA FF that the heartbeat, which is responded,.
In S3, the charger authenticates the legitimacy of the battery after receiving the battery information and whether has charging
Permission.
The present invention first passes around two-way authentication after battery connects charger, i.e., charger to battery carry out certification and
Battery authenticates charger, and certification can effectively not avoid charger and battery not by just starting to charge
Cell damage problem caused by matching, and then can be avoided battery catches fire and cause personnel's property loss.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is flow chart of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, Fig. 1 is flow chart of the invention.
A kind of battery charging intelligent control method, charger are electrically connected with main communications line, and battery is electrically connected with from logical
Believe route, intelligent control method includes S1 to S7.
S1, charger send query information by main communications line.
It is connected to when S2, battery are electrically connected with charger from communication line with main communications line, battery receptacle to query information.
S3, battery return to battery information, and charger receives battery information.
S4, charger and battery are mutually authenticated, and execute S5 if authenticating successfully, if authentification failure battery is sent out to charger
Send failure signal that charger is made to return to S1, charger receives re-authentication after failure signal.
S5, battery send charging authorization to charger, and charger starts to charge the battery.
S6, charger send heartbeat instruction to battery, S71 are executed if battery receptacle heartbeat instruction has not timed out, if battery
It receives heartbeat instruction time-out and then executes S72.
S71, battery are responded to charger feedback heartbeat, if charger receives heartbeat, response is had not timed out, and charger is again
Heartbeat instruction is sent to battery to determine battery failures if charger receives heartbeat response timeout and return to S1.
S72, battery charge closing authorization, and charger stops power supply.
The present invention first passes around two-way authentication after battery connects charger, i.e., charger to battery carry out certification and
Battery authenticates charger, and certification can effectively not avoid charger and battery not by just starting to charge
Cell damage problem caused by matching, and then can be avoided battery catches fire and cause personnel's property loss.In the present embodiment, battery needs
If the intelligent battery of the ability with communication capacity and processing, and charger end can be realized by charging panel.
In S1, charger periodicity sending query information.Because charger be not be at every moment all connected with it is to be charged
Battery, there is no need to lasting transmission query informations, are sent according to some cycles, and load can be effectively reduced.
In S2, if after battery is connect with charger, battery does not receive query messages after it have passed through waiting time threshold value, then
Battery forbids charger to charge, and waiting time threshold value is greater than the period that charger sends query information.Battery can not connect for a long time
In the case where receiving query information, it can be assumed that failure occurs in charger, and then charger is forbidden to charge, to avoid possibility
Battery is caused to damage by the power supply extremely such as battery charger failure bring surge current.
In S3, battery information includes battery unique identifier and cell voltage, and battery information is by encryption, encryption side
Method is CRC check method, parity check method or AES encryption method.Charger is after receiving battery information, Ke Yitong
The mode of inquiry database is crossed to confirm whether the battery is legal and whether has the permission that charges.
In S4, the specific method that charger and battery are mutually authenticated includes S4.1 to S4.3.
S4.1, battery send random agreement code to charger.Random agreement code is set as the character string that length is ten, example
Such as TrHJ126BYG.
S4.2, charger encrypt random agreement code to obtain cryptographic protocol code, and cryptographic protocol code is sent to
Battery.The method of encryption be it is pre-set, i.e. charger and legal battery shares a kind of encrypting and decrypting method, if electric
Pond be it is illegal, will because of encrypting and decrypting mode it is inconsistent with charger and can not charge.
S4.3, battery decryption cryptographic protocol code obtain decryption protocol code, and examine decryption protocol code and random agreement code
Consistency, authenticated if decryption protocol code is consistent with random agreement code successfully and to charger send authentication success message,
Authentication failure message is sent to battery if decryption protocol code and random agreement code are inconsistent.Battery sends certification to charger and loses
S4.3 is executed again after losing information, and battery freezes 60s after the authentication failure message quantity of transmission is more than critical value.
In view of ciphering process it is possible that some mistakes that are difficult to expect lead to authentification failure, therefore once authenticating
Certification is restarted after failure, can be confirmed that non-graunch leads to authentification failure when authentification failure number is more than critical value.?
In the present embodiment, critical value is set as three times.
Heartbeat instruction and heartbeat response are made of five 16 binary digits.Specifically, heartbeat instruction is FF AA C0
AA FF, it is FF AA D0 AA FF that heartbeat, which is responded,.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of battery charging intelligent control method, charger are electrically connected with main communications line, battery is electrically connected with from communication
Route, it is characterised in that: the intelligent control method includes the following steps:
S1, the charger send query information by the main communications line；
It is connected to described in when S2, the battery are electrically connected with the charger from communication line with the main communications line, the electricity
Pond receives the query information；
S3, the battery return to battery information, and the charger receives the battery information；
S4, the charger and the battery are mutually authenticated, and execute S5 if authenticating successfully, if the authentification failure battery to
The charger, which sends failure signal, makes the charger return to S1, and the charger is recognized again after receiving the failure signal
Card；
S5, the battery send charging authorization to the charger, and the charger starts to charge to the battery；
S6, the charger send heartbeat instruction to the battery, and the instruction of the heartbeat described in the battery receptacle is held if having not timed out
Row S71 executes S72 if the instruction time-out of the heartbeat described in the battery receptacle；
S71, the battery are responded to charger feedback heartbeat, if the charger receives the heartbeat response and has not timed out,
Then the charger sends the heartbeat instruction to the battery again, if the charger receives the heartbeat response timeout,
Then determine the battery failures and returns to S1；
S72, the battery charge closing authorization, and the charger stops power supply.
2. a kind of battery charging intelligent control method as described in claim 1, it is characterised in that: in S1, the charger
Query information described in periodicity sending.
3. a kind of battery charging intelligent control method as claimed in claim 2, it is characterised in that: in S2, if the battery
After connecting with the charger, the battery does not receive the query messages after it have passed through waiting time threshold value, then the electricity
The charger is forbidden to charge in pond.
4. a kind of battery charging intelligent control method as described in claim 1, it is characterised in that: in S3, the battery letter
Breath includes battery unique identifier and cell voltage, and the battery information, by encryption, encryption method is CRC check side
Method, parity check method or AES encryption method.
5. a kind of battery charging intelligent control method as described in claim 1, it is characterised in that: in S4, the charger
It include: that S4.1, the battery to the charger send random agreement code with the specific method that the battery is mutually authenticated；
S4.2, the charger are encrypted to obtain cryptographic protocol code to the random agreement code, and by the cryptographic protocol
Code is sent to the battery；
S4.3, the battery decrypt the cryptographic protocol code and obtain decryption protocol code, and examine the decryption protocol code and institute
The consistency for stating random agreement code is authenticated if the decryption protocol code is consistent with the random agreement code successfully and to described
Charger sends authentication success message, sends if the decryption protocol code and the random agreement code are inconsistent to the battery
Authentication failure message.
6. a kind of battery charging intelligent control method as claimed in claim 5, it is characterised in that: in S4.3, the battery
S4.3 is executed again after sending authentication failure message to the charger, until the authentication failure message quantity of transmission is more than
The battery freezes 60s after critical value.
7. a kind of battery charging intelligent control method as claimed in claim 5, it is characterised in that: the random agreement code is set
It is set to the character string that length is ten.
8. a kind of battery charging intelligent control method as described in claim 1, it is characterised in that: the heartbeat instruction and institute
Heartbeat response is stated to be made of five 16 binary digits.
9. a kind of battery charging intelligent control method as claimed in claim 8, it is characterised in that: the heartbeat instruction is FF
AA C0 AA FF, it is FF AA D0 AA FF that the heartbeat, which is responded,.
10. a kind of battery charging intelligent control method as described in claim 1, it is characterised in that: in S3, the charger
The legitimacy of the battery is authenticated after receiving the battery information and whether there is charging permission.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811570535.7A CN109638914B (en) | 2018-12-21 | 2018-12-21 | Intelligent control method for battery charging |
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| CN201811570535.7A CN109638914B (en) | 2018-12-21 | 2018-12-21 | Intelligent control method for battery charging |
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| CN109638914B CN109638914B (en) | 2022-07-26 |
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| CN110445218A (en) * | 2019-08-16 | 2019-11-12 | 东莞骑士换电电子科技有限公司 | Intelligence changes the charge control and rejection communication management method and system of electric cabinet |
| CN111490302A (en) * | 2020-04-20 | 2020-08-04 | 东莞龙升电子有限公司 | Charging control method and device of charger, computer equipment and storage medium |
| CN112073199A (en) * | 2020-08-18 | 2020-12-11 | 深圳易马达科技有限公司 | Battery authentication method, device, terminal equipment and medium |
| WO2021051238A1 (en) * | 2019-09-16 | 2021-03-25 | Techtronic Cordless Gp | Smart battery, charger and battery charging system |
| CN117075018A (en) * | 2023-07-20 | 2023-11-17 | 深圳运存科技有限公司 | BMS control panel capability test intelligent analysis management system |
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|---|---|
| CN109638914B (en) | 2022-07-26 |
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